CN112952947B - Self-learning control method of remote self-adaptive wireless charging system and wireless charger - Google Patents

Abstract

The present invention provides a self-learning control method and a wireless charger for a long-distance adaptive wireless charging system. When it is less than a certain set value, it can be determined that there is a relay coil in the system, and then the distance D1 between the transmitter coil and the relay coil can be calculated through a clever fitting formula D=b×e ^ax . Let the transmit power P1 or the input voltage V1 of the receiving end get powered, and increase the weight value F P1 corresponding to _P1 or the weight value F V1 corresponding to _V1 , and record and set D1, P ₁ , F _P1 , Q2 as the first Mapping data set, or record and set D1, V ₁ , F _V1 , and Q2 as the first mapping data set for the application to be called first, so set, when wireless charging is performed again, the first mapping data set can be quickly called. A mapping of the charging parameters in the data set enables the wireless charger to respond quickly and improves user experience.

Description

Self-learning control method of long-distance adaptive wireless charging system and wireless charger

technical field

The invention relates to the technical field of wireless charging, in particular to a self-learning control method of a long-distance adaptive wireless charging system and a wireless charger.

Background technique

Wireless charging has become more and more popular among household consumers because it can realize the wireless between the charging power supply device and the power receiving device, so that it can solve the problem of many and cluttered power lines on the desktop. However, the current wireless charging systems on the market are all based on Qi wireless charging systems. The charging distance of Qi wireless charging systems is only 5mm-8mm, and the thickness of most of our desktop boards is generally between 15mm-30mm. Some wireless charging products need to be drilled under the desktop board to embed the wireless charger into the table to solve the problem, but the drilling not only destroys the structure of the table, affects the appearance, but also consumes man-hours. At the same time, the need to drill holes on the desktop to install the wireless charger will greatly affect the promotion and application of the wireless charger in the office and home. In addition, different users have different wireless charging receiver devices, and the same user may also have completely different receiver devices, such as wireless charging receiver devices such as mobile phones. The thickness or structure of the home equipment used is different. Even different mobile phones of the same user may have different charging parameters. The existing wireless charging equipment cannot respond to these differences quickly.

SUMMARY OF THE INVENTION

Based on the above, a self-learning control method of a long-distance adaptive wireless charging system that can adapt to a larger charging distance, adapt to a variety of desktop thickness ranges, and can respond quickly during wireless charging, and a wireless charger applying the method are provided. .

A control method for a long-distance adaptive wireless charging system, the method comprising: setting an input voltage of the wireless charging transmitting coil as a first input voltage, setting a transmitting frequency of the wireless charging transmitting coil as a first transmitting frequency, Set the duty cycle of the transmission frequency of the wireless charging transmitting coil as the first duty cycle, and continuously collect n eigenvalues q of the wireless charging transmitting coil according to the set period in the first time period from T ₀ to T _{1 n} , and refer to formula (1) to obtain the first eigenvalue Q1:

Q=[(q ₁ +q ₂ +q ₃ +...+q _n )-(q _min +q _max )]/(n-2) (one)

in,

The q _min is the minimum value among the eigenvalues q _n of the n wireless charging transmitter coils;

The q _max is the maximum value among the eigenvalues q _n of the n wireless charging transmitter coils;

The n is a positive integer greater than or equal to 3;

Determine whether the first characteristic value Q1 is less than or equal to the first set value, and if so, determine that there is a relay coil in the wireless charging system, and obtain the second characteristic value _Q2 of the wireless charging transmitting coil at time T2 ;

The time T ₂ is any time in the first time period from T ₀ to T ₁ ;

Setting the transmission frequency of the wireless charging transmitting coil as the second transmitting frequency, and acquiring the average eigenvalue q _x of the wireless charging transmitting coil in the second time period from T _x0 to T _x1 ;

The second time period from T _x0 to T _x1 is any time period other than the first time period from T ₀ to T ₁ ;

the second transmission frequency is greater than the first transmission frequency;

Refer to formula (2) to obtain the distance D1 between the wireless charging transmitter coil and the relay coil:

D=b×e ^ax (two)

Wherein, a and b are constants, and the value of x is the value of the average eigenvalue q _x ;

Calculate the first PING power or the first PING voltage according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Set the transmission power of the wireless charging transmitter coil to the first PING power, or set the input voltage of the wireless charging transmitter coil to the first PING voltage, and determine whether the wireless charging transmitter receives the wireless charging receiver The sent charging request signal, if not, adjust the transmission power of the wireless charging transmitter coil to P ₁ with reference to formula (3), or adjust the input voltage of the wireless charging transmitter coil to V ₁ with reference to formula (4) :

P _i =P _ping +△P×m (3)

V _i =V _ping +△V×m; (4)

Wherein, _Pi is the actual power value of the wireless charging transmitter coil, _Vi is the actual input voltage value of the wireless charging transmitter coil, P _ping is the first PING power, and V _ping is the first PING voltage , ΔP is the minimum adjustment change unit of the transmission power of the wireless charging transmitting coil, ΔV is the minimum adjustment changing unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, and judge the wireless charging again. Whether the charging transmitter receives the charging request signal sent by the wireless charging receiver, and if so, the corresponding weight of P ₁ is increased to F _P1 , or the weight of V ₁ is increased to F _V1 , and according to the wireless charging receiver According to the requirements of the terminal, adjust the transmission power of the wireless charging transmitting coil to charge the wireless charging receiving terminal;

The D1, P ₁ , F _P1 , and Q2 are recorded and set as the first mapping data group, or the D1, V ₁ , F _V1 , and Q2 are recorded and set as the first mapping data group.

In one embodiment, the weight value F _P1 of the P ₁ is obtained with reference to the formula (5), and the weight value F _V1 of the V ₁ is obtained with reference to the formula (6):

where k _p and k _v are magnifications, L _p and L _v are constants, F _Pj , F _P(j-1) , F _Vj and F _V(j-1) are weight values and F _P(j-1) is the basic weight value of F _Pj , F _V(j-1) is the basic weight value of F _Vj , and j is a positive integer. F _P(j-1) refers to the weight value before the change of F _Pj , and F _V(j-1) refers to the weight value before the change of F _Vj .

In one of the embodiments, the default value of F _P0 is 0, and the default value of F _V0 is 0.

In one of the embodiments, the method further includes: setting the m to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the m is greater than or equal to a second set value, and if so, setting the m The m is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: changing the distance between the wireless charging receiving coil and the wireless charging transmitting coil under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant. For the relative position, refer to formula (3) to obtain the transmission power adjustment P ₂ of the wireless charging transmitting coil, refer to formula (5) to obtain the weight value F _P2 of the P ₂ , or refer to formula (4) to obtain the wireless charging The input voltage of the transmitting coil is adjusted V ₂ , and the weight value F _V2 of the V ₂ is obtained with reference to formula (6);

recording and setting the P ₂ and F _P2 to the second mapping data group, or recording and setting the V ₂ and F _V2 to the second mapping data group;

Judging whether the F _P2 is greater than the F _P1 , if so, when calling mapping data, the second mapping data group is called prior to the first mapping data group, otherwise, the first mapping data group is called first is called on the second mapping data set.

In one embodiment, the method further includes: judging whether the F _P1 is greater than a third set value, and if so, setting the first mapping data group as the wireless charging transmitter coil and the relay coil When the distance between them is D1, the default mapping data set of the wireless charging system is called first.

In one of the embodiments, the method further comprises: adjusting the priority of the first mapping data set and the second mapping data set when they are called by adjusting the value of setting the k _p or k _v replacement speed.

In one embodiment, the transmission power of the wireless charging transmitter coil is set as the first PING power, or the input voltage of the wireless charging transmitter coil is set as the first PING voltage, and the wireless charging transmitter terminal is determined Whether the charging request signal sent by the wireless charging receiver is received, and if so, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

The distance D1, the first PING power and/or the first PING voltage, and the second characteristic value Q2 are recorded and set as a third mapping data group, or the first PING power and /or the first PING voltage is recorded and set to the first mapping data set.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set as the fourth mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set to the first mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set to the fourth mapping data group, and the third characteristic value Q3 is recorded and set to the first mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one embodiment, the method further includes:

Calculate the first ASM communication demodulation width parameter according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Recording and setting the first ASM communication demodulation width parameter into the first mapping data group.

In one embodiment, the method further includes:

Calculate the first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Recording and setting the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further includes:

According to the distance D1 between the wireless charging transmitting coil and the relay coil, the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter are calculated;

Recording and setting the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further includes:

According to the distance D1 between the wireless charging transmitting coil and the relay coil, the first FSK communication modulation depth parameter T ₁ is calculated, and the weight value of the first FSK communication modulation depth parameter is set to F _T1 ;

Use the first FSK communication modulation depth parameter to modulate the information sent by the wireless charging transmitter to the wireless charging receiver, and determine whether the wireless charging transmitter has received the feedback information from the wireless charging receiver, if not, refer to the formula ( 7) Calculate the second FSK communication modulation depth parameter T ₂ :

T _w =T _(w-1) +△T×h (7)

Among them, Tw is the actual FSK communication modulation depth parameter of the wireless charging transmitter, T ( _{w -1)} is the basic FSK communication modulation depth parameter of _Tw , ΔT is the minimum adjustment change unit of the FSK communication modulation depth parameter, h is an integer, w is a positive integer;

Use the second FSK communication modulation depth parameter to modulate the information sent by the wireless charging transmitter to the wireless charging receiver, and check whether the wireless charging transmitter has received the feedback information from the wireless charging receiver, and if so, then Obtain the weight value F _T2 of the T ₂ with reference to the formula (8):

Among them, k _T is the magnification, L _T is a constant, F _Tr and F _T(r-1) are the weight values, and F _T(r-1) is the basic weight value of F _Tr , that is, the weight value before the change of F _Tr , r is a positive integer;

The D1, T1, F _T1 and _Q2 are recorded and set as the fifth mapping data group;

The D1, _T2 , FT2, _Q2 are recorded and set as the sixth mapping data group.

In one of the embodiments, the default value of F _T0 is 0.

In one of the embodiments, the method further includes: setting the h to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the h is greater than or equal to a third set value, and if so, setting the h The h is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: setting an order in which the fifth mapping data set and the sixth mapping data set are called according to the size order of the _FT1 and the _FT2 .

In one embodiment, the method further includes: judging whether the F _T2 is greater than the F _T1 , and if so, when calling mapping data, the sixth mapping data group takes precedence over the fifth mapping data group is called, otherwise, the fifth mapping data set is called in preference to the sixth mapping data set.

In one embodiment, the method further includes: when it is determined that the F _T2 is greater than the F _T1 , determining whether the F _T2 is larger than a third set value, and if so, mapping the sixth mapping data group It is set as the default mapping data group for information modulation of the wireless charging system when the distance between the wireless charging transmitting coil and the relay coil is D1, so as to be called first.

In one of the embodiments, the method further includes: adjusting the value of k _T to adjust the replacement speed of the sequence when each mapping data group is called when there are multiple mapping data groups used for information modulation.

In one embodiment, the method further includes: calculating a first ASM communication demodulation width parameter G ₁ according to the distance D1 between the wireless charging transmitting coil and the relay coil, and setting the first ASM communication demodulation width parameter G 1 The weight value of the ASM communication demodulation width parameter G ₁ is F _G1 ;

Use the first ASM communication demodulation width parameter _G1 to demodulate the information received by the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, if not, then The second ASM communication demodulation width parameter G ₂ is calculated with reference to formula (9):

G _s ＝G _(s-1) +△G×u (9)

Among them, G _s is the actual ASM communication demodulation width parameter of the wireless charging transmitter, G _(s-1) is the basic ASM communication demodulation width parameter of G _s , ΔG is the minimum adjustment change of the ASM communication demodulation width parameter unit, u is an integer, s is a positive integer;

Use the second ASM communication demodulation width parameter G ₂ to demodulate the information received by the wireless charging transmitter, and judge again whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, and if so , then the weight value F _G2 of the G ₂ is obtained with reference to formula (10):

Among them, k _G is the magnification, L _G is a constant, F _Gy and F _G(y-1) are the weight values, and F _G(y-1) is the basic weight value of F _Gy , that is, the weight value before F _Gy changes, y is a positive integer;

Record and set the D1, G ₁ , F _G1 and Q2 as the seventh mapping data group;

The D1, G2, F _G2 and _Q2 are recorded and set as the eighth mapping data group.

In one of the embodiments, the default value of F _G0 is 0.

In one of the embodiments, the method further includes: setting the u to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the u is greater than or equal to a third set value, and if so, setting the Said u is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: setting an order in which the seventh mapping data group and the eighth mapping data group are called according to the size order of the F _G1 and the F _G2 .

In one embodiment, the method further includes: judging whether the F _G2 is greater than the F _G1 , and if so, when calling mapping data, the eighth mapping data group takes precedence over the seventh mapping data group is called, otherwise, the seventh mapping data set is called in preference to the eighth mapping data set.

In one embodiment, the method further includes: when it is determined that the F _G2 is greater than the F _G1 , determining whether the F _G2 is greater than a third set value, and if so, converting the eighth mapping data group It is set as the default mapping data set for demodulation of the wireless charging system information under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1, so as to be called first.

In one of the embodiments, the method further includes: adjusting the value of k _G to adjust the replacement speed of the sequence when each mapping data group is called when there are multiple mapping data groups used for information demodulation.

In one of the embodiments, each mapping data group is updated into the FLASH through I2C.

In one of the embodiments, the changed weight value is updated into the FLASH through I2C.

In one embodiment, the fourth characteristic value Q4 of the wireless charging transmitting coil is obtained at time T4, and it is judged whether the _fourth characteristic value Q4 is less than or equal to the second characteristic value Q2, Whether the charging transmitter receives the charging request signal sent by the wireless charging receiver, and if so, adjusts the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

The time T ₄ is not within the first time period from T ₀ to T ₁ , and is located at a time point on a set period. That is, the fourth characteristic value Q4 of the wireless charging transmitting coil is periodically acquired.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

It is judged whether the fourth characteristic value Q4 is less than or equal to the third characteristic value Q3, and if so, the alarm indicator light in the control system will be on or the buzzer will sound.

In one of the embodiments, the first input voltage is between 4.5V and 5.5V.

In one of the embodiments, the first transmission frequency is between 0.1 Hz and 1 Hz.

In one of the embodiments, the second transmit frequency is between 100k Hz and 150k Hz.

In one of the embodiments, the first duty cycle is between 10% and 50%.

In one of the embodiments, the first duty cycle is 20%.

In one of the embodiments, the first set value is between 2.6 and 3.5.

In one of the embodiments, the first setting value is 3.

In one of the embodiments, the fourth set value is between 1.8 and 2.5.

In one of the embodiments, the fourth setting value is 2.

In one of the embodiments, the value of the second setting value is between 7 and 15.

In one of the embodiments, the value of the second setting value is between 5 and 12.

In one of the embodiments, the value of the second set value is 11.

In one of the embodiments, the value of the second set value is 9.

In one of the embodiments, the value of the third setting value is between 3 and 10.

In one of the embodiments, the value of the third setting value is between 4 and 8.

In one of the embodiments, the value of the third setting value is 5.

In one of the embodiments, the value of the third setting value is 7.

In one of the embodiments, the value of m is between -11 and 11.

In one of the embodiments, the value of m is between -8 and 8.

In one of the embodiments, the value of m is between -5 and 5.

In one of the embodiments, the value of m is between -7 and 7.

In one of the embodiments, the value of h is between -11 and 11.

In one of the embodiments, the value of h is between -8 and 8.

In one of the embodiments, the value of h is between -5 and 5.

In one of the embodiments, the value of h is between -7 and 7.

In one of the embodiments, the value of u is between -11 and 11.

In one of the embodiments, the value of u is between -8 and 8.

In one of the embodiments, the value of u is between -5 and 5.

In one of the embodiments, the value of u is between -7 and 7.

In one of the embodiments, the characteristic value is a signal characteristic value of the voltage of the wireless charging transmitting coil.

In one of the embodiments, the characteristic value is a signal characteristic value of the power of the wireless charging transmitting coil.

In one of the embodiments, the characteristic value is a signal characteristic value of the current of the wireless charging transmitting coil.

The self-learning control method of the long-distance adaptive wireless charging system provided above, by allowing the wireless charging transmitting coil to perform a A small section of very weak live operation, by periodically collecting the eigenvalues of the transmitter coil and obtaining the first eigenvalue Q1 of the transmitter coil according to a specific logical relationship, according to the first eigenvalue Q1 can determine whether there is a relay coil in the system, if so The relay coil calculates the distance D1 between the transmitting coil and the relay coil through an innovative fitting formula combined with the second set of operation logic. After knowing the distance, the first PING power or the first PING is calculated through the third set of operation logic. At the same time, the transmitting power or input voltage of the transmitting coil is set according to the parameters of the first PING power or the first PING voltage. Under the first PING power or the first PING voltage, the receiving end (such as A mobile phone with wireless charging function) gets power and sends information to the transmitter. If in the first PING power or first PING voltage environment, the receiving end is not powered, try to increase the PING power to P1, or increase the PING voltage to V1, if in the P1 power or V1 voltage environment, the receiving end is powered on , it is more appropriate to record the P1 power or V1 voltage of the environment at this time. In order to allow the receiving end to respond quickly when charging in the wireless charging system again, increase the weight of the P1 power or V1 voltage that is more suitable for the environment, and set all The D1, P ₁ , F _P1 , and Q2 are recorded and set as the first mapping data group, or the D1, V ₁ , F _V1 , and Q2 are recorded and set as the first mapping data group. In order to prepare the application to be called first, to achieve the purpose of fast response of wireless charging. In order to quickly retrieve the charging parameters in the first mapping data group when wireless charging is performed again, the wireless charger can respond quickly and improve user experience.

According to the above method, the present application also provides a method for controlling the learning outcome by applying the above method.

A self-learning control method for a long-distance adaptive wireless charging system, the method comprising: setting an input voltage of a wireless charging transmitting coil as a first input voltage, a transmitting frequency as a first transmitting frequency, and the first transmitting frequency occupies a The duty cycle is the first duty cycle, and the _fifth characteristic value Q5 of the wireless charging transmitting coil is obtained at the time T5, and it is judged whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, and if so, Then, according to the value of the weight value F _Pj or F _Vj from large to small, the mapping data group where the weight value is located is called in turn to configure the operating parameters of the wireless charging transmitter coil, and it is judged whether the wireless charging transmitter receives the data. If the charging request signal sent by the wireless charging receiver, if so, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any of the foregoing embodiments;

The F _Pj is the weight value F _Pj in any one of the above embodiments;

The F _Vj is the weight value F _Vj in any of the foregoing embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any of the foregoing embodiments.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the number of values in the mapping data group called at this time. Weight value F _Pj or F _Vj .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the number of values in the mapping data group called at this time. The weight value F _Pj or F _Vj , while decreasing the weight value within the previous mapped data set in the calling sequence.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the weight value F _Pj with reference to formula (5) , increase the weight value F _Vj with reference to formula (6).

In one embodiment, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, determining the weight in the mapping data group called at this time Whether the value F _Pj or F _Vj is the maximum weight value F _Pmax or F _Vmax , if not, increase the weight value F _Pj or F _Vj in the mapping data set called at this time, and at the same time reduce the maximum weight value F _Pmax or the maximum weight value F _Vmax .

将所述最大权重值F_Vmax修改并设置为

In one embodiment, the method further includes: increasing the weight value F _Pj with reference to the formula (5), increasing the weight value F _Vj with reference to the formula (6), and at the same time increasing the maximum weight value F _Pmax modify and set to

Modify and set the maximum weight value F _Vmax as

Wherein, k _P is the magnification, L _P is a constant, ΔP is the minimum adjustment change unit of the transmit power of the wireless charging transmitting coil, and m is an integer.

In one embodiment, the method further includes: when the wireless charging transmitter still does not receive the charging request signal sent by the wireless charging receiver after all the mapping data groups are called, setting the The transmission power of the wireless charging transmitter coil is the first PING power, or the input voltage of the wireless charging transmitter coil is set to be the first PING voltage;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

In one embodiment, after all the mapping data sets are called, the wireless charging transmitter still does not receive the charging request signal sent by the wireless charging receiver, then the wireless charging transmitter coil is set to transmit The power is the first PING power, or the input voltage of the wireless charging transmitter coil is set to be the first PING voltage, and it is judged whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, if not, then refer to the formula ( 3) Adjust the transmission power of the wireless charging transmitter coil to P ₃ , or adjust the input voltage of the wireless charging transmitter coil to V ₃ with reference to formula (4), and judge again whether the wireless charging transmitter receives The charging request signal sent by the wireless charging receiving end, if yes, obtain the weight value F _P3 of P ₃ with reference to formula (5), or obtain the weight value F _V3 of V ₃ with reference to formula (6), and according to the wireless charging The requirements of the receiving end adjust the transmission power of the wireless charging transmitting coil to charge the wireless charging receiving end;

recording and setting the P ₃ and the F _P3 to the fifth mapping data group, or recording and setting the V ₃ and the F _V3 to the fifth mapping data group;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

The self-learning control method of a long-distance adaptive wireless charging system provided above, by obtaining the characteristic value of the transmitting coil at a certain moment (the fifth characteristic value Q5), and the existence of the relay coil and the existence of the wireless charging receiving end on the relay coil. The eigenvalues of the transmitting coil (the second eigenvalue Q2) are compared, so as to quickly prejudge whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil, and then according to the weight value F _Pj or F _Vj The values are called in order from large to small to directly configure the operating parameters of the wireless charging transmitter coil by calling the mapping data group where the weight value is located, so as to quickly adapt to the patching requirements of common receivers. For receivers commonly used by users This method can make the commonly used receiver get power faster and send a charging request signal to the transmitter, and improve the response speed of the wireless charging system to the commonly used receiver, that is, the wireless charging system using this control method can be used for wireless charging again. Fast response, faster entering the wireless charging program to output energy, improving user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A control method of a long-distance adaptive wireless charging system, the method comprising:

Set the input voltage of the wireless charging transmitting coil as the first input voltage, the transmitting frequency as the first transmitting frequency, the duty cycle of the first transmitting frequency as the first duty cycle, and obtain the wireless charging transmitting coil at time _T5 the fifth characteristic value Q5, and judge whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, if so, then judge whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, if so , then according to the requirements of the wireless charging receiver, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any of the foregoing embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any of the foregoing embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Setting the transmission power of the wireless charging transmitter coil to be the first PING power, or setting the input voltage of the wireless charging transmitter coil to be the first PING voltage;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Determine whether the fifth characteristic value Q5 is less than or equal to the third characteristic value Q3, and if so, the alarm indicator light in the control system is on or the buzzer sounds;

The third eigenvalue Q3 is the third eigenvalue Q3 in any one of the above embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Determine whether the fifth characteristic value Q5 is less than or equal to the fourth set value, and if so, the alarm indicator light in the control system is on or the buzzer sounds;

The fourth setting value is the fourth setting value in any one of the above embodiments.

The control method of a long-distance adaptive wireless charging system provided above, by obtaining the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment, and the transmission of the relay coil and the existence of the wireless charging receiving end on the relay coil. The coil eigenvalue (the second eigenvalue Q2) is compared, so as to quickly prejudge whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil, and then judge whether the wireless charging transmitter receives wireless charging. The charging request signal sent by the receiving end can accurately determine whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil. This arrangement enables the wireless charging system to which the control method is applied to respond quickly when the wireless charging is performed again, and enters the wireless charging program to output energy more quickly, thereby improving user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A wireless charging self-learning control method for long-distance adaptive FSK communication modulation, the method includes: judging whether a wireless charging transmitter receives a charging request signal sent by a wireless charging receiver, and if so, according to the value of the weight value F _Tr Call the mapping data group where the weight value is located in order from large to small to modulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter receives the information sent by the wireless charging receiver based on the communication information. The feedback signal, if yes, use the FSK communication modulation depth parameter that can currently receive feedback information to modulate the information sent by the wireless charging transmitter to the wireless charging receiver;

The F _Tr is the weight value F _Tr in any one of the above embodiments;

The FSK communication modulation depth parameter is the FSK communication modulation depth parameter described in any one of the above embodiments;

The mapping data set is the mapping data set described in claim 1 .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitting end has received the feedback signal from the wireless charging receiving end, increasing the weight value F _Tr in the mapping data group called at this time.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitting end has received the feedback signal from the wireless charging receiving end, increasing the weight value F _Tr with reference to formula (8).

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter receives a feedback signal from the wireless charging receiver, determining whether the weight value F _Tr in the mapping data set called at this time is not is the maximum weight value F _Tmax , if not, increase the weight value F _Tr in the mapping data group called at this time, and at the same time reduce the maximum weight value F _Tmax .

In one of the embodiments, the method further includes: increasing the weight value F _Tr with reference to formula (8), and at the same time modifying and setting the maximum weight value F _Tmax to

Among them, k _T is the magnification, L _T is a constant, ΔT is the minimum adjustment change unit of the FSK communication modulation depth parameter, and h is an integer.

In one of the embodiments, the method further includes: when the wireless charging transmitter still does not receive a feedback signal from the wireless charging receiver after the mapping data set is all called, lowering or turning off the wireless charging Charge the transmit power of the transmit coil.

In one embodiment, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method includes: setting the input voltage of the wireless charging transmitter coil to be the first input voltage, and the transmission frequency to be the first A transmission frequency, the duty cycle of the first transmission frequency is the first duty cycle, and the _fifth characteristic value Q5 of the wireless charging transmission coil is obtained at time T5, and it is determined whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, if so, continue to judge whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any one of the above embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any one of the foregoing embodiments.

In the above-mentioned wireless charging self-learning control method of long-distance adaptive FSK communication modulation, when the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the value of the weight value F _Tr is from large to small. Call the mapping data group where the weight value is located in sequence to modulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter receives the feedback signal sent by the wireless charging receiver based on the communication information, and if so , the information sent by the wireless charging transmitter to the wireless charging receiver is modulated using the FSK communication modulation depth parameter that can currently receive feedback information. Since whether the receiver can perform fast charging with the transmitter (usually 15 watts) or the wireless charging of the EPP architecture also depends on whether the receiver can complete the charging agreement with the transmitter within a specified time (complete authentication or binding), In this way, according to the above content, it can be seen that the larger the value of the weight value F _Tr is, the more the operation parameters in the mapping data group in which it is located are more suitable for the operation parameters of the wireless charging system composed of the receiving end, the transmitting end and the relay commonly used by users, and thus can be used. It enables the user's common receiving end to respond quickly in communication when wireless charging is required, preventing the unsuccessful handshake and only low-power (usually 5 watts) charging, which improves the response speed and enhances the user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A long-distance adaptive ASM communication demodulation wireless charging self-learning control method, the method includes: judging whether a wireless charging transmitting end has received a signal sent by a wireless charging receiving end for feeding back charging demand parameters, and if so, according to The value of the weight value F _Gy is called in descending order of the mapping data group where the weight value is located to demodulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the wireless charging receiver. The charging demand parameter information fed back by the terminal, if so, use the ASM communication demodulation width parameter that can currently obtain the charging demand parameter information of the wireless charging receiving terminal to demodulate the information received by the wireless charging transmitting terminal;

The F _Gy is the weight value F _Gy in any one of the above embodiments;

The ASM communication demodulation width parameter is the ASM communication demodulation width parameter in any of the foregoing embodiments;

The mapping data set is the mapping data set in any one of the above embodiments.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has acquired the charging demand parameter information fed back by the wireless charging receiver, increasing the number of values in the mapping data set called at this time. Weight value F _Gy .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has acquired the charging demand parameter information fed back by the wireless charging receiver, increasing the weight value F _Gy with reference to formula (10) .

In one embodiment, the method further includes: when it is determined that the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, determining the weight in the mapping data set called at this time Whether the value F _Gy is the maximum weight value F _Gmax , if not, increase the weight value F _Gy in the mapping data group called at this time, and at the same time reduce the maximum weight value F _Gmax .

In one of the embodiments, the method further includes: increasing the weight value F _Gy with reference to formula (10), and at the same time modifying and setting the maximum weight value F _Gmax to

Among them, k _G is the magnification, L _G is a constant, ΔG is the minimum adjustment change unit of the ASM communication demodulation width parameter, and u is an integer.

In one embodiment, the method further includes: after the mapping data set is all called, and the wireless charging transmitter still does not obtain the charging demand parameter information fed back by the wireless charging receiver, then close all The transmitting power of the wireless charging transmitting coil.

In one of the embodiments, before judging whether the wireless charging transmitting end has received the signal for feeding back the charging demand parameter sent by the wireless charging receiving end, the method includes: setting the input voltage of the wireless charging transmitting coil as the first input voltage, the transmission frequency is the first transmission frequency, the duty cycle of the first transmission frequency is the first duty cycle, the _fifth characteristic value Q5 of the wireless charging transmission coil is obtained at time T5, and the first Whether the eigenvalue Q5 is less than or equal to the second eigenvalue Q2, and if so, continue to judge whether the wireless charging transmitter has received the signal sent by the wireless charging receiver for feeding back the charging demand parameter;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any one of the above embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any one of the foregoing embodiments.

In one of the embodiments, each changed mapping data group is updated into the FLASH through I2C.

In one of the embodiments, each changed weight value is updated into the FLASH through I2C.

A wireless charging self-learning control method for long-distance adaptive ASM communication demodulation provided above,

When the wireless charging transmitter receives the signal sent by the wireless charging receiver to feed back the charging demand parameters, it will call the mapping data group where the weight is located in order of the weight value F _Gy in descending order to demodulate the the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver; if so, use the currently available charging demand parameter information of the wireless charging receiver The ASM communication demodulation width parameter demodulates the information received by the wireless charging transmitter. Since whether the receiver can perform fast charging with the transmitter (usually 15 watts) or the wireless charging of the EPP architecture also depends on whether the receiver can complete the charging agreement with the transmitter within a specified time (complete authentication or binding), In this way, according to the above content, it can be seen that the larger the value of the weight value F _Gy , the more suitable the operating parameters in the mapping data group where it is located, the more suitable the operating parameters of the wireless charging system composed of the receiving end, the transmitting end and the relay commonly used by users. It enables the user's common receiving end to respond quickly in communication when wireless charging is required, preventing the unsuccessful handshake and only low-power (usually 5 watts) charging, which improves the response speed and enhances the user experience.

According to the above content, the present application also provides a wireless charger.

A wireless charger includes a computer storage medium, and a computer program is stored on the computer storage medium, and when the program is executed by a processor, the method described in any one of the above embodiments is implemented. The wireless charger can be easily upgraded and modified.

In addition, the present application also provides a computer storage medium.

A computer storage medium on which a computer program is stored, and when the program is executed by a processor, implements the method described in any one of the above embodiments. The wireless charger can be easily upgraded and modified.

In the foregoing, at least in some embodiments, it is an object of the present invention to overcome or ameliorate at least one disadvantage of the prior art, or to provide a useful alternative. The set of summary examples is provided to presage potential patent claims based on the selection of technical features disclosed in the "Detailed Description" below, and these sets of summary examples are not intended to limit the expandable claims in any way. scope.

Description of drawings

none.

Detailed ways

In this patent document, the various embodiments discussed below and used to describe the principles or methods of the present disclosure are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles or methods of the present disclosure may be implemented in any suitably arranged wireless charging system. Preferred embodiments of the present disclosure will be described hereinafter. In the following description, detailed descriptions of well-known functions or configurations are omitted so as not to obscure the subject matter of the present disclosure with unnecessary detail. Also, the terms used herein will be defined according to the functions of the present application. Therefore, the terms may vary according to the user's or operator's intention or usage. Therefore, the terms used in this document must be understood based on the descriptions made in this document.

A control method for a long-distance adaptive wireless charging system, the method comprising: setting an input voltage of the wireless charging transmitting coil as a first input voltage, setting a transmitting frequency of the wireless charging transmitting coil as a first transmitting frequency, Set the duty cycle of the transmission frequency of the wireless charging transmitting coil as the first duty cycle, and continuously collect n eigenvalues q of the wireless charging transmitting coil according to the set period in the first time period from T ₀ to T _{1 n} , and refer to formula (1) to obtain the first eigenvalue Q1:

Q=[(q ₁ +q ₂₊ q ₃ +...+q _n )-(q _min +q _max )]/(n-2) (one)

in,

The q _min is the minimum value among the eigenvalues q _n of the n wireless charging transmitter coils;

The q _max is the maximum value among the eigenvalues q _n of the n wireless charging transmitter coils;

The n is a positive integer greater than or equal to 3;

Determine whether the first characteristic value Q1 is less than or equal to the first set value, and if so, determine that there is a relay coil in the wireless charging system, and obtain the second characteristic value _Q2 of the wireless charging transmitting coil at time T2 ;

The time T ₂ is any time in the first time period from T ₀ to T ₁ ;

Setting the transmission frequency of the wireless charging transmitting coil as the second transmitting frequency, and acquiring the average eigenvalue q _x of the wireless charging transmitting coil in the second time period from T _x0 to T _x1 ;

The second time period from T _x0 to T _x1 is any time period other than the first time period from T ₀ to T ₁ ;

the second transmission frequency is greater than the first transmission frequency;

Refer to formula (2) to obtain the distance D1 between the wireless charging transmitter coil and the relay coil:

D=b×e ^ax (two)

Wherein, a and b are constants, and the value of x is the value of the average eigenvalue q _x ;

Calculate the first PING power or the first PING voltage according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Set the transmission power of the wireless charging transmitter coil to the first PING power, or set the input voltage of the wireless charging transmitter coil to the first PING voltage, and determine whether the wireless charging transmitter receives the wireless charging receiver The sent charging request signal, if not, adjust the transmission power of the wireless charging transmitter coil to P ₁ with reference to formula (3), or adjust the input voltage of the wireless charging transmitter coil to V ₁ with reference to formula (4) :

P _i =P _ping +△P×m (3)

V _i =V _ping +△V×m; (4)

Wherein, _Pi is the actual power value of the wireless charging transmitter coil, _Vi is the actual input voltage value of the wireless charging transmitter coil, P _ping is the first PING power, and V _ping is the first PING voltage , ΔP is the minimum adjustment change unit of the transmission power of the wireless charging transmitting coil, ΔV is the minimum adjustment changing unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, and judge the wireless charging again. Whether the charging transmitter receives the charging request signal sent by the wireless charging receiver, and if so, the corresponding weight of P ₁ is increased to F _P1 , or the weight of V ₁ is increased to F _V1 , and according to the wireless charging receiver According to the requirements of the terminal, adjust the transmission power of the wireless charging transmitting coil to charge the wireless charging receiving terminal;

The D1, P ₁ , F _P1 , and Q2 are recorded and set as the first mapping data group, or the D1, V ₁ , F _V1 , and Q2 are recorded and set as the first mapping data group.

In one embodiment, the weight value F _P1 of the P ₁ is obtained with reference to the formula (5), and the weight value F _V1 of the V ₁ is obtained with reference to the formula (6):

where k _p and k _v are magnifications, L _p and L _v are constants, F _Pj , F _P(j-1) , F _Vj and F _V(j-1) are weight values and F _P(j-1) is the basic weight value of F _Pj , F _V(j-1) is the basic weight value of F _Vj , and j is a positive integer. F _P(j-1) refers to the weight value before the change of F _Pj , and F _V(j-1) refers to the weight value before the change of F _Vj .

In one of the embodiments, the default value of F _P0 is 0, and the default value of F _V0 is 0.

In one of the embodiments, the method further includes: setting the m to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the m is greater than or equal to a second set value, and if so, setting the m The m is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: changing the distance between the wireless charging receiving coil and the wireless charging transmitting coil under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant. For the relative position, refer to formula (3) to obtain the transmission power adjustment P ₂ of the wireless charging transmitting coil, refer to formula (5) to obtain the weight value F _P2 of the P ₂ , or refer to formula (4) to obtain the wireless charging The input voltage of the transmitting coil is adjusted V ₂ , and the weight value F _V2 of the V ₂ is obtained with reference to formula (6);

recording and setting the P ₂ and F _P2 to the second mapping data group, or recording and setting the V ₂ and F _V2 to the second mapping data group;

Judging whether the F _P2 is greater than the F _P1 , if so, when calling mapping data, the second mapping data group is called prior to the first mapping data group, otherwise, the first mapping data group is called first is called on the second mapping data set.

In one embodiment, the method further includes: judging whether the F _P1 is greater than a third set value, and if so, setting the first mapping data group as the wireless charging transmitter coil and the relay coil When the distance between them is D1, the default mapping data set of the wireless charging system is called first.

In one of the embodiments, the method further comprises: adjusting the priority of the first mapping data set and the second mapping data set when they are called by adjusting the value of setting the k _p or k _v replacement speed.

In one embodiment, the transmission power of the wireless charging transmitter coil is set as the first PING power, or the input voltage of the wireless charging transmitter coil is set as the first PING voltage, and the wireless charging transmitter terminal is determined Whether the charging request signal sent by the wireless charging receiver is received, and if so, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

The distance D1, the first PING power and/or the first PING voltage, and the second characteristic value Q2 are recorded and set as a third mapping data group, or the first PING power and /or the first PING voltage is recorded and set to the first mapping data set.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set as the fourth mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set to the first mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one of the embodiments, before acquiring the distance D1 between the wireless charging transmitter coil and the relay coil, the method further includes:

Determine whether the first characteristic value Q1 is greater than or equal to the fourth set value, if so, continue to obtain the distance D1 between the wireless charging transmitter coil and the relay coil, otherwise, obtain the distance _D1 at time T3 The third eigenvalue Q3 of the wireless charging transmitting coil;

The third characteristic value Q3 is recorded and set to the fourth mapping data group, and the third characteristic value Q3 is recorded and set to the first mapping data group;

_The time T3 is any time in the _first time period from _T0 to T1;

The first set value is greater than the fourth set value.

In one embodiment, the method further includes:

Calculate the first ASM communication demodulation width parameter according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Recording and setting the first ASM communication demodulation width parameter into the first mapping data group.

In one embodiment, the method further includes:

Calculate the first FSK communication modulation depth parameter according to the distance D1 between the wireless charging transmitter coil and the relay coil;

Recording and setting the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further includes:

According to the distance D1 between the wireless charging transmitting coil and the relay coil, the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter are calculated;

Recording and setting the first ASM communication demodulation width parameter and the first FSK communication modulation depth parameter into the first mapping data group.

In one embodiment, the method further includes:

According to the distance D1 between the wireless charging transmitting coil and the relay coil, the first FSK communication modulation depth parameter T ₁ is calculated, and the weight value of the first FSK communication modulation depth parameter is set to F _T1 ;

Use the first FSK communication modulation depth parameter to modulate the information sent by the wireless charging transmitter to the wireless charging receiver, and determine whether the wireless charging transmitter has received the feedback information from the wireless charging receiver, if not, refer to the formula ( 7) Calculate the second FSK communication modulation depth parameter T ₂ :

T _w =T _(w-1) +△T×h (7)

Among them, Tw is the actual FSK communication modulation depth parameter of the wireless charging transmitter, T ( _{w -1)} is the basic FSK communication modulation depth parameter of _Tw , ΔT is the minimum adjustment change unit of the FSK communication modulation depth parameter, h is an integer, w is a positive integer;

Use the second FSK communication modulation depth parameter to modulate the information sent by the wireless charging transmitter to the wireless charging receiver, and check whether the wireless charging transmitter has received the feedback information from the wireless charging receiver, and if so, then Obtain the weight value F _T2 of the T ₂ with reference to the formula (8):

Among them, k _T is the magnification, L _T is a constant, F _Tr and F _T(r-1) are the weight values, and F _T(r-1) is the basic weight value of F _Tr , that is, the weight value before the change of F _Tr , r is a positive integer;

The D1, T1, F _T1 and _Q2 are recorded and set as the fifth mapping data group;

The D1, _T2 , FT2, _Q2 are recorded and set as the sixth mapping data group.

In one of the embodiments, the default value of F _T0 is 0.

In one of the embodiments, the method further includes: setting the h to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the h is greater than or equal to a third set value, and if so, setting the h The h is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: setting an order in which the fifth mapping data set and the sixth mapping data set are called according to the size order of the _FT1 and the _FT2 .

In one embodiment, the method further includes: judging whether the F _T2 is greater than the F _T1 , and if so, when calling mapping data, the sixth mapping data group takes precedence over the fifth mapping data group is called, otherwise, the fifth mapping data set is called in preference to the sixth mapping data set.

In one embodiment, the method further includes: when it is determined that the F _T2 is greater than the F _T1 , determining whether the F _T2 is larger than a third set value, and if so, mapping the sixth mapping data group It is set as the default mapping data group for information modulation of the wireless charging system when the distance between the wireless charging transmitting coil and the relay coil is D1, so as to be called first.

In one of the embodiments, the method further includes: adjusting the value of k _T to adjust the replacement speed of the sequence when each mapping data group is called when there are multiple mapping data groups used for information modulation.

In one embodiment, the method further includes: calculating a first ASM communication demodulation width parameter G ₁ according to the distance D1 between the wireless charging transmitting coil and the relay coil, and setting the first ASM communication demodulation width parameter G 1 The weight value of the ASM communication demodulation width parameter G ₁ is F _G1 ;

Use the first ASM communication demodulation width parameter _G1 to demodulate the information received by the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, if not, then The second ASM communication demodulation width parameter G ₂ is calculated with reference to formula (9):

G _s ＝G _(s-1) +△G×u (9)

Among them, G _s is the actual ASM communication demodulation width parameter of the wireless charging transmitter, G _(s-1) is the basic ASM communication demodulation width parameter of G _s , ΔG is the minimum adjustment change of the ASM communication demodulation width parameter unit, u is an integer, s is a positive integer;

Use the second ASM communication demodulation width parameter G ₂ to demodulate the information received by the wireless charging transmitter, and judge again whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, and if so , then the weight value F _G2 of the G ₂ is obtained with reference to formula (10):

Among them, k _G is the magnification, L _G is a constant, F _Gy and F _G(y-1) are the weight values, and F _G(y-1) is the basic weight value of F _Gy , that is, the weight value before F _Gy changes, y is a positive integer;

Record and set the D1, G ₁ , F _G1 and Q2 as the seventh mapping data group;

The D1, G2, F _G2 and _Q2 are recorded and set as the eighth mapping data group.

In one of the embodiments, the default value of F _G0 is 0.

In one of the embodiments, the method further includes: setting the u to be a positive number, and adjusting it in a gradually increasing direction, and judging whether the u is greater than or equal to a third set value, and if so, setting the Said u is a negative number, and it is adjusted in the direction of gradually decreasing.

In one of the embodiments, the method further includes: setting an order in which the seventh mapping data group and the eighth mapping data group are called according to the size order of the F _G1 and the F _G2 .

In one embodiment, the method further includes: judging whether the F _G2 is greater than the F _G1 , and if so, when calling mapping data, the eighth mapping data group takes precedence over the seventh mapping data group is called, otherwise, the seventh mapping data set is called in preference to the eighth mapping data set.

In one embodiment, the method further includes: when it is determined that the F _G2 is greater than the F _G1 , determining whether the F _G2 is greater than a third set value, and if so, converting the eighth mapping data group It is set as the default mapping data set for demodulation of the wireless charging system information under the condition that the distance between the wireless charging transmitting coil and the relay coil is D1, so as to be called first.

In one of the embodiments, the method further includes: adjusting the value of k _G to adjust the replacement speed of the sequence when each mapping data group is called when there are multiple mapping data groups used for information demodulation.

In one of the embodiments, each mapping data group is updated into the FLASH through I2C.

In one of the embodiments, the changed weight value is updated into the FLASH through I2C.

In one embodiment, the fourth characteristic value Q4 of the wireless charging transmitting coil is obtained at time T4, and it is judged whether the _fourth characteristic value Q4 is less than or equal to the second characteristic value Q2, Whether the charging transmitter receives the charging request signal sent by the wireless charging receiver, and if so, adjusts the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

The time T ₄ is not within the first time period from T ₀ to T ₁ , and is located at a time point on a set period. That is, the fourth characteristic value Q4 of the wireless charging transmitting coil is periodically acquired.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

It is judged whether the fourth characteristic value Q4 is less than or equal to the third characteristic value Q3, and if so, the alarm indicator light in the control system will be on or the buzzer will sound.

In one of the embodiments, the first input voltage is between 4.5V and 5.5V.

In one of the embodiments, the first transmission frequency is between 0.1 Hz and 1 Hz.

In one of the embodiments, the second transmit frequency is between 100k Hz and 150k Hz.

In one of the embodiments, the first duty cycle is between 10% and 50%.

In one of the embodiments, the first duty cycle is 20%.

In one of the embodiments, the first set value is between 2.6 and 3.5.

In one of the embodiments, the first setting value is 3.

In one of the embodiments, the fourth set value is between 1.8 and 2.5.

In one of the embodiments, the fourth setting value is 2.

In one of the embodiments, the value of the second setting value is between 7 and 15.

In one of the embodiments, the value of the second setting value is between 5 and 12.

In one of the embodiments, the value of the second set value is 11.

In one of the embodiments, the value of the second set value is 9.

In one of the embodiments, the value of the third setting value is between 3 and 10.

In one of the embodiments, the value of the third setting value is between 4 and 8.

In one of the embodiments, the value of the third setting value is 5.

In one of the embodiments, the value of the third setting value is 7.

In one of the embodiments, the value of m is between -11 and 11.

In one of the embodiments, the value of m is between -8 and 8.

In one of the embodiments, the value of m is between -5 and 5.

In one of the embodiments, the value of m is between -7 and 7.

In one of the embodiments, the value of h is between -11 and 11.

In one of the embodiments, the value of h is between -8 and 8.

In one of the embodiments, the value of h is between -5 and 5.

In one of the embodiments, the value of h is between -7 and 7.

In one of the embodiments, the value of u is between -11 and 11.

In one of the embodiments, the value of u is between -8 and 8.

In one of the embodiments, the value of u is between -5 and 5.

In one of the embodiments, the value of u is between -7 and 7.

In one of the embodiments, the characteristic value is a signal characteristic value of the voltage of the wireless charging transmitting coil.

In one of the embodiments, the characteristic value is a signal characteristic value of the power of the wireless charging transmitting coil.

In one of the embodiments, the characteristic value is a signal characteristic value of the current of the wireless charging transmitting coil.

In one of the embodiments, the first characteristic value Q1 is an oscillation attenuation coefficient of the entire system. Through this attenuation coefficient, it can be detected whether the relay coil exists and whether there is metal foreign matter on the relay coil.

In one embodiment, the first characteristic value Q1 is the oscillation attenuation coefficient of energy in the entire system under the driving signal of 0.5 Hz.

In one embodiment, when the first characteristic value Q1 is greater than or equal to the first set value, the wireless charging transmitter continues to wait.

The self-learning control method of the long-distance adaptive wireless charging system provided above, by allowing the wireless charging transmitting coil to perform a A small section of very weak live operation, by periodically collecting the eigenvalues of the transmitter coil and obtaining the first eigenvalue Q1 of the transmitter coil according to a specific logical relationship, according to the first eigenvalue Q1 can determine whether there is a relay coil in the system, if there is The relay coil calculates the distance D1 between the transmitting coil and the relay coil through an innovative fitting formula combined with the second set of operation logic. After knowing the distance, the first PING power or the first PING is calculated through the third set of operation logic. At the same time, the transmitting power or input voltage of the transmitting coil is set according to the parameters of the first PING power or the first PING voltage. Under the first PING power or the first PING voltage, the receiving end (such as A mobile phone with wireless charging function) gets power and sends information to the transmitter. If in the first PING power or first PING voltage environment, the receiving end is not powered, try to increase the PING power to P1, or increase the PING voltage to V1, if in the P1 power or V1 voltage environment, the receiving end is powered on , it is more appropriate to record the P1 power or V1 voltage of the environment at this time. In order to allow the receiving end to respond quickly when charging in the wireless charging system again, increase the weight of the P1 power or V1 voltage that is more suitable for the environment, and set all The D1, P ₁ , F _P1 , and Q2 are recorded and set as the first mapping data group, or the D1, V ₁ , F _V1 , and Q2 are recorded and set as the first mapping data group. In order to prepare the application to be called first, to achieve the purpose of fast response of wireless charging. In order to quickly retrieve the charging parameters in the first mapping data group when wireless charging is performed again, the wireless charger can respond quickly and improve user experience.

According to the above method, the present application also provides a method for controlling the learning outcome by applying the above method.

A self-learning control method for a long-distance adaptive wireless charging system, the method comprising: setting an input voltage of a wireless charging transmitting coil as a first input voltage, a transmitting frequency as a first transmitting frequency, and the first transmitting frequency occupies a The duty cycle is the first duty cycle, and the _fifth characteristic value Q5 of the wireless charging transmitting coil is obtained at the time T5, and it is judged whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, and if so, Then, according to the value of the weight value F _Pj or F _Vj from large to small, the mapping data group where the weight value is located is called in turn to configure the operating parameters of the wireless charging transmitter coil, and it is judged whether the wireless charging transmitter receives the data. If the charging request signal sent by the wireless charging receiver, if so, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver according to the requirements of the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any of the foregoing embodiments;

The F _Pj is the weight value F _Pj in any one of the above embodiments;

The F _Vj is the weight value F _Vj in any of the foregoing embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any of the foregoing embodiments.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the number of values in the mapping data group called at this time. Weight value F _Pj or F _Vj .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the number of values in the mapping data group called at this time. The weight value F _Pj or F _Vj , while decreasing the weight value within the previous mapped data set in the calling sequence.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, increasing the weight value F _Pj with reference to formula (5) , increase the weight value F _Vj with reference to formula (6).

In one embodiment, the method further includes: when it is determined that the wireless charging transmitter has received the charging request signal sent by the wireless charging receiver, determining the weight in the mapping data group called at this time Whether the value F _Pj or F _Vj is the maximum weight value F _Pmax or F _Vmax , if not, increase the weight value F _Pj or F _Vj in the mapping data set called at this time, and at the same time reduce the maximum weight value F _Pmax or the maximum weight value F _Vmax .

将所述最大权重值F_Vmax修改并设置为

In one embodiment, the method further includes: increasing the weight value F _Pj with reference to the formula (5), increasing the weight value F _Vj with reference to the formula (6), and at the same time increasing the maximum weight value F _Pmax modify and set to

Modify and set the maximum weight value F _Vmax as

Wherein, k _P is the magnification, L _P is a constant, ΔP is the minimum adjustment change unit of the transmit power of the wireless charging transmitting coil, and m is an integer.

In one embodiment, the method further includes: when the wireless charging transmitter still does not receive the charging request signal sent by the wireless charging receiver after all the mapping data groups are called, setting the The transmission power of the wireless charging transmitter coil is the first PING power, or the input voltage of the wireless charging transmitter coil is set to be the first PING voltage;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

In one embodiment, after all the mapping data sets are called, the wireless charging transmitter still does not receive the charging request signal sent by the wireless charging receiver, then the wireless charging transmitter coil is set to transmit The power is the first PING power, or the input voltage of the wireless charging transmitter coil is set to be the first PING voltage, and it is judged whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, if not, then refer to the formula ( 3) Adjust the transmission power of the wireless charging transmitter coil to P ₃ , or adjust the input voltage of the wireless charging transmitter coil to V ₃ with reference to formula (4), and judge again whether the wireless charging transmitter receives The charging request signal sent by the wireless charging receiving end, if yes, obtain the weight value F _P3 of P ₃ with reference to formula (5), or obtain the weight value F _V3 of V ₃ with reference to formula (6), and according to the wireless charging The requirements of the receiving end adjust the transmission power of the wireless charging transmitting coil to charge the wireless charging receiving end;

recording and setting the P ₃ and the F _P3 to the fifth mapping data group, or recording and setting the V ₃ and the F _V3 to the fifth mapping data group;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

The self-learning control method of a long-distance adaptive wireless charging system provided above, by obtaining the characteristic value of the transmitting coil at a certain moment (the fifth characteristic value Q5), and the existence of the relay coil and the existence of the wireless charging receiving end on the relay coil. The eigenvalues of the transmitting coil (the second eigenvalue Q2) are compared, so as to quickly prejudge whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil, and then according to the weight value F _Pj or F _Vj The values are called in order from large to small to directly configure the operating parameters of the wireless charging transmitter coil by calling the mapping data group where the weight value is located, so as to quickly adapt to the patching requirements of common receivers. For receivers commonly used by users This method can make the commonly used receiver get power faster and send a charging request signal to the transmitter, and improve the response speed of the wireless charging system to the commonly used receiver, that is, the wireless charging system using this control method can be used for wireless charging again. Fast response, faster entering the wireless charging program to output energy, improving user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A control method of a long-distance adaptive wireless charging system, the method comprising:

Set the input voltage of the wireless charging transmitting coil as the first input voltage, the transmitting frequency as the first transmitting frequency, the duty cycle of the first transmitting frequency as the first duty cycle, and obtain the wireless charging transmitting coil at time _T5 the fifth characteristic value Q5, and judge whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, if so, then judge whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, if so , then according to the requirements of the wireless charging receiver, adjust the transmission power of the wireless charging transmitter coil to charge the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any of the foregoing embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any of the foregoing embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Setting the transmission power of the wireless charging transmitter coil to be the first PING power, or setting the input voltage of the wireless charging transmitter coil to the first PING voltage;

The first PING power is the first PING power in any of the foregoing embodiments;

The first PING voltage is the first PING voltage in any one of the above embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Determine whether the fifth characteristic value Q5 is less than or equal to the third characteristic value Q3, and if so, the alarm indicator light in the control system is on or the buzzer sounds;

The third eigenvalue Q3 is the third eigenvalue Q3 in any one of the above embodiments.

In one of the embodiments, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method further includes:

Determine whether the fifth characteristic value Q5 is less than or equal to the fourth set value, and if so, the alarm indicator light in the control system is on or the buzzer sounds;

The fourth setting value is the fourth setting value in any one of the above embodiments.

The control method of a long-distance adaptive wireless charging system provided above, by obtaining the characteristic value (the fifth characteristic value Q5) of the transmitting coil at a certain moment, and the transmission of the relay coil and the existence of the wireless charging receiving end on the relay coil. The coil eigenvalue (the second eigenvalue Q2) is compared, so as to quickly prejudge whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil, and then judge whether the wireless charging transmitter receives wireless charging. The charging request signal sent by the receiving end can accurately determine whether there is a relay coil in the wireless charging system and whether there is a receiving end on the relay coil. This arrangement enables the wireless charging system to which the control method is applied to respond quickly when the wireless charging is performed again, and enters the wireless charging program to output energy more quickly, thereby improving user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A wireless charging self-learning control method for long-distance adaptive FSK communication modulation, the method includes: judging whether a wireless charging transmitter receives a charging request signal sent by a wireless charging receiver, and if so, according to the value of the weight value F _Tr Call the mapping data group where the weight value is located in order from large to small to modulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter receives the information sent by the wireless charging receiver based on the communication information. The feedback signal, if yes, use the FSK communication modulation depth parameter that can currently receive feedback information to modulate the information sent by the wireless charging transmitter to the wireless charging receiver;

The F _Tr is the weight value F _Tr in any one of the above embodiments;

The FSK communication modulation depth parameter is the FSK communication modulation depth parameter described in any one of the above embodiments;

The mapping data set is the mapping data set described in claim 1 .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitting end has received the feedback signal from the wireless charging receiving end, increasing the weight value F _Tr in the mapping data group called at this time.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitting end has received the feedback signal from the wireless charging receiving end, increasing the weight value F _Tr with reference to formula (8).

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter receives a feedback signal from the wireless charging receiver, determining whether the weight value F _Tr in the mapping data set called at this time is not is the maximum weight value F _Tmax , if not, increase the weight value F _Tr in the mapping data group called at this time, and at the same time reduce the maximum weight value F _Tmax .

In one of the embodiments, the method further includes: increasing the weight value F _Tr with reference to formula (8), and at the same time modifying and setting the maximum weight value F _Tmax to

Among them, k _T is the magnification, L _T is a constant, ΔT is the minimum adjustment change unit of the FSK communication modulation depth parameter, and h is an integer.

In one of the embodiments, the method further includes: when the wireless charging transmitter still does not receive a feedback signal from the wireless charging receiver after the mapping data set is all called, lowering or turning off the wireless charging The transmit power of the charging transmit coil.

In one embodiment, before judging whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the method includes: setting the input voltage of the wireless charging transmitter coil to be the first input voltage, and the transmission frequency to be the first A transmission frequency, the duty cycle of the first transmission frequency is the first duty cycle, and the _fifth characteristic value Q5 of the wireless charging transmission coil is obtained at time T5, and it is determined whether the fifth characteristic value Q5 is less than or equal to the second characteristic value Q2, if so, continue to judge whether the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any one of the above embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any one of the foregoing embodiments.

In the above-mentioned wireless charging self-learning control method of long-distance adaptive FSK communication modulation, when the wireless charging transmitter receives the charging request signal sent by the wireless charging receiver, the value of the weight value F _Tr is from large to small. Call the mapping data group where the weight value is located in sequence to modulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter receives the feedback signal sent by the wireless charging receiver based on the communication information, and if so , the information sent by the wireless charging transmitter to the wireless charging receiver is modulated using the FSK communication modulation depth parameter that can currently receive feedback information. Since whether the receiver can perform fast charging with the transmitter (usually 15 watts) or the wireless charging of the EPP architecture also depends on whether the receiver can complete the charging agreement with the transmitter within a specified time (complete authentication or binding), In this way, according to the above content, it can be seen that the larger the value of the weight value F _Tr is, the more the operation parameters in the mapping data group in which it is located are more suitable for the operation parameters of the wireless charging system composed of the receiving end, the transmitting end and the relay commonly used by users, and thus can be used. It enables the user's common receiving end to respond quickly in communication when wireless charging is required, preventing the unsuccessful handshake and only low-power (usually 5 watts) charging, which improves the response speed and enhances the user experience.

According to the above method, the present application also provides another method for controlling the learning results by applying the above method.

A long-distance adaptive ASM communication demodulation wireless charging self-learning control method, the method includes: judging whether a wireless charging transmitter has received a signal sent by a wireless charging receiver for feeding back charging demand parameters, and if so, according to The value of the weight value F _Gy is called in descending order of the mapping data group where the weight value is located to demodulate the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the wireless charging receiver. The charging demand parameter information fed back by the terminal, if so, use the ASM communication demodulation width parameter that can currently obtain the charging demand parameter information of the wireless charging receiving terminal to demodulate the information received by the wireless charging transmitting terminal;

The F _Gy is the weight value F _Gy in any one of the above embodiments;

The ASM communication demodulation width parameter is the ASM communication demodulation width parameter in any of the foregoing embodiments;

The mapping data set is the mapping data set in any one of the above embodiments.

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has acquired the charging demand parameter information fed back by the wireless charging receiver, increasing the number of values in the mapping data set called at this time. Weight value F _Gy .

In one of the embodiments, the method further includes: when it is determined that the wireless charging transmitter has acquired the charging demand parameter information fed back by the wireless charging receiver, increasing the weight value F _Gy with reference to formula (10) .

In one embodiment, the method further includes: when it is determined that the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver, determining the weight in the mapping data set called at this time Whether the value F _Gy is the maximum weight value F _Gmax , if not, increase the weight value F _Gy in the mapping data group called at this time, and at the same time reduce the maximum weight value F _Gmax .

In one of the embodiments, the method further includes: increasing the weight value F _Gy with reference to formula (10), and at the same time modifying and setting the maximum weight value F _Gmax to

Among them, k _G is the magnification, L _G is a constant, ΔG is the minimum adjustment change unit of the ASM communication demodulation width parameter, and u is an integer.

In one embodiment, the method further includes: after the mapping data set is all called, and the wireless charging transmitter still does not obtain the charging demand parameter information fed back by the wireless charging receiver, then close all The transmitting power of the wireless charging transmitting coil.

In one of the embodiments, before judging whether the wireless charging transmitting end has received the signal for feeding back the charging demand parameter sent by the wireless charging receiving end, the method includes: setting the input voltage of the wireless charging transmitting coil as the first input voltage, the transmission frequency is the first transmission frequency, the duty cycle of the first transmission frequency is the first duty cycle, the _fifth characteristic value Q5 of the wireless charging transmission coil is obtained at time T5, and the first Whether the eigenvalue Q5 is less than or equal to the second eigenvalue Q2, and if so, continue to judge whether the wireless charging transmitter has received the signal sent by the wireless charging receiver for feeding back the charging demand parameter;

_The time T5 is any time when the wireless charging transmitter coil starts to work;

The second eigenvalue Q2 is the second eigenvalue Q2 in any one of the above embodiments;

the first input voltage is the first input voltage in any one of the above embodiments;

The first transmission frequency is the first transmission frequency in any one of the foregoing embodiments;

The first duty cycle is the first duty cycle in any one of the foregoing embodiments.

In one of the embodiments, each changed mapping data group is updated into the FLASH through I2C.

In one of the embodiments, each changed weight value is updated into the FLASH through I2C.

A wireless charging self-learning control method for long-distance adaptive ASM communication demodulation provided above,

When the wireless charging transmitter receives the signal sent by the wireless charging receiver to feed back the charging demand parameters, it will call the mapping data group where the weight is located in order of the weight value F _Gy in descending order to demodulate the the communication information of the wireless charging transmitter, and determine whether the wireless charging transmitter has obtained the charging demand parameter information fed back by the wireless charging receiver; if so, use the currently available charging demand parameter information of the wireless charging receiver The ASM communication demodulation width parameter demodulates the information received by the wireless charging transmitter. Since whether the receiver can perform fast charging with the transmitter (usually 15 watts) or the wireless charging of the EPP architecture also depends on whether the receiver can complete the charging agreement with the transmitter within a specified time (complete authentication or binding), In this way, according to the above content, it can be seen that the larger the value of the weight value F _Gy , the more suitable the operating parameters in the mapping data group where it is located, the more suitable the operating parameters of the wireless charging system composed of the receiving end, the transmitting end and the relay commonly used by users. It enables the user's common receiving end to respond quickly in communication when wireless charging is required, preventing the unsuccessful handshake and only low-power (usually 5 watts) charging, which improves the response speed and enhances the user experience.

In addition, according to the above content, the present application also provides a wireless charger.

A wireless charger includes a computer storage medium, and a computer program is stored on the computer storage medium, and when the program is executed by a processor, the method in any one of the foregoing embodiments is implemented. The wireless charger can be easily upgraded and modified.

In addition, the present application also provides a computer storage medium.

A computer storage medium on which a computer program is stored, and when the program is executed by a processor, implements the method in any one of the foregoing embodiments. The wireless charger can be easily upgraded and modified.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are more specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (6)

1. A self-learning control method of a remote adaptive wireless charging system, the method comprising: setting the input voltage of a wireless charging transmitting coil as a first input voltage, setting the transmitting frequency of the wireless charging transmitting coil as a first transmitting frequency, setting the duty ratio of the transmitting frequency of the wireless charging transmitting coil as a first duty ratio, and at T₀To T₁Continuously acquiring the characteristic values q of the n wireless charging transmitting coils according to a set period in a first time period_nAnd the first characteristic value Q1 is obtained with reference to the following formula (one):

Q1＝[(q₁+q₂+q₃+...+q_n)-(q_min+q_max)]v (n-2) (a)

Wherein,

q is a number of_minCharacteristic value q of n wireless charging transmitting coils_nMinimum value of (1);

q is a number of_maxCharacteristic value q of n wireless charging transmitting coils_nIn (1)A maximum value;

n is a positive integer greater than or equal to 3;

judging whether the first characteristic value Q1 is less than or equal to a first set value, if so, judging that a relay coil exists in the wireless charging system, and judging that the relay coil exists at T₂Acquiring a second characteristic value Q2 of the wireless charging transmitting coil at any moment;

the T is₂Time is not T₀To T₁At any time within the first time period;

setting the transmitting frequency of the wireless charging transmitting coil to be a second transmitting frequency at T_x0To T_x1Obtaining an average characteristic value q of the wireless charging transmitting coil in a second time period_x；

T_x0To T_x1Is not T₀To T₁Any time period within the first time period of (a);

the second transmit frequency is greater than the first transmit frequency;

obtaining a distance D1 between the wireless charging transmission coil and the relay coil with reference to the following equation (two):

D1＝b×e^ax(II)

Wherein a and b are constants, and the value of x is the average characteristic value q_xA value of (d);

the characteristic value is an oscillation attenuation coefficient of the voltage of the wireless charging transmitting coil, or an oscillation attenuation coefficient of the current, or an oscillation attenuation coefficient of the power;

calculating first PING power or first PING voltage according to the distance D1 between the wireless charging transmitting coil and the relay coil;

setting the transmitting power of the wireless charging transmitting coil to be the first PING power, or setting the input voltage of the wireless charging transmitting coil to be the first PING voltage, judging whether the wireless charging transmitting terminal receives a charging request signal sent by a wireless charging receiving terminal, and if not, adjusting the transmitting power of the wireless charging transmitting coil to be P according to the following formula (III)₁Or charging the battery wirelessly with reference to the following equation (IV)The input voltage of the electric transmitting coil is adjusted to V₁：

P_i＝P_pingB, + DELTAP × m; (III)

V_i＝V_pingV.times.m; (IV)

Wherein, P_iActual power value, V, for the wireless charging transmitting coil_iActual input voltage value, P, for the wireless charging transmitting coil_pingIs the first PING power, V_pingThe first PING voltage is obtained, delta P is the minimum adjustment change unit of the transmitting power of the wireless charging transmitting coil, delta V is the minimum adjustment change unit of the input voltage of the wireless charging transmitting coil, m is an integer, i is a positive integer, whether the wireless charging transmitting end receives a charging request signal sent by the wireless charging receiving end is judged again, if yes, the P is obtained by referring to the following formula (V)₁Weight value of F_P1The V is obtained with reference to the following formula (VI)₁Weight value of F_V1Adjusting the transmitting power of the wireless charging transmitting coil according to the requirement of the wireless charging receiving terminal to charge the wireless charging receiving terminal;

wherein k is_pAnd k_vIs magnification, L_pAnd L_vIs constant, F_Pj、F_P(j-1)、F_VjAnd F_V(j-1)Is a weight value and F_P(j-1)Is F_PjBase weight value of F_V(j-1)Is F_VjJ is a positive integer;

mixing the D1 and P₁、F_P1Q2 is recorded and set as the first mapping data group, or the D1, V₁、F_V1Q2 is recorded and set toA mapping data set.

2. The self-learning control method of the remote adaptive wireless charging system according to claim 1, further comprising:

and setting the m as a positive number, adjusting the m in the gradually increasing direction, judging whether the m is greater than or equal to a fourth set value, if so, setting the m as a negative number, and adjusting the m in the gradually decreasing direction.

3. The self-learning control method of the remote adaptive wireless charging system according to claim 1, further comprising:

under the condition that the distance D1 between the wireless charging transmitting coil and the relay coil is constant, the relative position of the wireless charging receiving coil and the wireless charging transmitting coil is changed, and the transmitting power adjustment P of the wireless charging transmitting coil is obtained by referring to the formula (III)₂Obtaining said P by reference to equation (V)₂Weight value of F_P2Or, obtaining the input voltage adjustment V of the wireless charging transmitting coil according to the formula (IV)₂Obtaining said V with reference to equation (six)₂Weight value of F_V2；

The P is added₂、F_P2Recording and setting to a second mapping data set, or, alternatively, the V₂、F_V2Recording and setting to a second mapping data group;

judging the F_P2Whether or not it is greater than F_P1If so, the second mapping data group is invoked in preference to the first mapping data group when the mapping data is invoked, otherwise, the first mapping data group is invoked in preference to the second mapping data group.

4. The self-learning control method of the remote adaptive wireless charging system according to claim 1, wherein the method further comprises:

judging the F_P1Whether the second setting value is larger than the third setting value or not, if so,the first mapping data set is set as a default mapping data set of the wireless charging system in the case that the distance between the wireless charging transmission coil and the relay coil is D1, so as to be called first.

5. The self-learning control method of the remote adaptive wireless charging system according to claim 3, further comprising:

setting the k by adjustment_pOr k_vTo adjust the speed of replacement of the priority order when the first mapping data set and the second mapping data set are called.

6. A wireless charger comprising a computer storage medium having a computer program stored thereon, wherein the program, when executed by a processor, implements the self-learning control method of any one of claims 1-5.