CN116334877B - Control method for washing equipment and washing equipment - Google Patents
Control method for washing equipment and washing equipmentInfo
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- CN116334877B CN116334877B CN202111591782.7A CN202111591782A CN116334877B CN 116334877 B CN116334877 B CN 116334877B CN 202111591782 A CN202111591782 A CN 202111591782A CN 116334877 B CN116334877 B CN 116334877B
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- washing
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- water
- laundry
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
本发明涉及智慧家电技术领域，具体提供一种用于洗涤设备的控制方法和洗涤设备，旨在解决现有洗涤设备在湿衣物的情形下，注水不准确的问题。为此目的，本发明的控制方法包括下列步骤：在洗涤设备启动之后，检测洗涤桶内衣物的干湿度；在检测到衣物是湿衣物的情形下，使洗涤设备执行模糊称重操作，得到第一模糊重量；获取洗涤设备的水位频率值；根据第一模糊重量和水位频率值，使洗涤设备执行注水操作，能够准确地控制洗涤设备的进水量，为衣物提供更好的洗涤效果，避免了水资源的浪费，实现了为洗涤设备提供最合力、有效的注水操作的目的，提高了用户的使用体验。
This invention relates to the field of smart home appliance technology, specifically providing a control method and washing equipment for a washing machine, aiming to solve the problem of inaccurate water injection in existing washing equipment when clothes are wet. To this end, the control method of this invention includes the following steps: after the washing equipment is started, the dryness and humidity of the clothes in the washing tub are detected; if the clothes are detected to be wet, the washing equipment performs a fuzzy weighing operation to obtain a first fuzzy weight; the water level frequency value of the washing equipment is acquired; based on the first fuzzy weight and the water level frequency value, the washing equipment performs a water injection operation, which can accurately control the water intake of the washing equipment, provide better washing results for clothes, avoid water waste, achieve the goal of providing the most efficient and effective water injection operation for the washing equipment, and improve the user experience.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, and particularly provides a control method for washing equipment and the washing equipment.
Background
Washing machines are common home laundry washing apparatuses, which are classified according to washing modes, and may be broadly classified into pulsator washing machines and drum washing machines. Taking a pulsator washing machine as an example, the washing machine performs fuzzy weighing on laundry before performing a water filling operation, and then determines a washing water level according to the weight of the obtained laundry. However, when the washing machine performs fuzzy weighing on clothes, the default clothes are dry clothes, if the clothes are wet clothes, the weight of the obtained clothes is far greater than the actual dry weight of the clothes, so that the determined washing water level is higher, and the waste of water resources is caused.
In order to solve the problems, the invention patent with publication number CN113463320A discloses a pulsator, a washing machine comprising the same and a control method, wherein the control method specifically comprises the steps of performing a dehydration operation when detecting that laundry is wet laundry, weighing again after the dehydration operation is completed to obtain a laundry weight G2, then performing a washing program according to the laundry weight G2, and performing the washing program according to the laundry weight G1 when detecting that the laundry is dry laundry. However, in the practical application process, the dehydrated clothes still contain a certain amount of water, and executing the washing procedure according to the weight of the dehydrated clothes still causes the injected washing water level to be higher, which is unfavorable for user experience.
Accordingly, there is a need in the art for a new control method for a washing apparatus and washing apparatus to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the technical problems, namely, the problem that the water injection is inaccurate under the condition of wet clothes of the existing washing equipment.
In a first aspect, the invention provides a control method for a washing device, the washing device comprising a washing tub, the control method comprising the steps of detecting the dryness and the wetness of laundry in the washing tub after the washing device is started, in case that the laundry is detected to be wet, causing the washing device to perform a fuzzy weighing operation, obtaining a first fuzzy weight, obtaining a water level frequency value of the washing device, and causing the washing device to perform a water filling operation according to the first fuzzy weight and the water level frequency value.
In the preferable technical scheme of the control method, the step of enabling the washing equipment to execute water injection operation according to the first fuzzy weight and the water level frequency value specifically comprises the steps of calculating a first difference value between the water level frequency value and a preset water level frequency value, judging whether the absolute value of the first difference value is smaller than the preset difference value, and selectively enabling the washing equipment to execute water injection operation according to the first fuzzy weight according to a judging result.
In a preferred technical solution of the control method, the step of selectively causing the washing apparatus to perform the water injection operation according to the first fuzzy weight according to the determination result specifically includes causing the washing apparatus to perform the water injection operation according to the first fuzzy weight if the absolute value of the first difference is smaller than the preset difference.
In the preferable technical scheme of the control method, the step of enabling the washing equipment to execute water injection operation according to the first fuzzy weight specifically comprises the steps of enabling the washing equipment to execute dehydration operation for preset time, enabling the washing equipment to execute fuzzy weighing operation again after the washing equipment executes the dehydration operation to obtain second fuzzy weight, correcting the second fuzzy weight according to the first fuzzy weight to obtain corrected weight of the second fuzzy weight, determining a first water inlet water level according to the corrected weight, and enabling the washing equipment to execute water injection operation according to the first water inlet water level.
In the preferable technical scheme of the control method, the step of correcting the second fuzzy weight according to the first fuzzy weight to obtain the corrected weight of the second fuzzy weight specifically comprises the steps of calculating a second difference value between the first fuzzy weight and the second fuzzy weight, calculating a ratio between the second difference value and the second fuzzy weight, judging whether the ratio is larger than or equal to a preset ratio, determining the correction coefficient according to a judging result, calculating a product of the correction coefficient and the second fuzzy weight, and taking the product as the corrected weight.
In the preferable technical scheme of the control method, the step of determining the correction coefficient according to the judging result specifically comprises the steps of determining the correction coefficient as a first correction coefficient k 1 if the ratio is larger than or equal to the preset ratio, determining the correction coefficient as a second correction coefficient k 2 if the ratio is smaller than the preset ratio, wherein k 1 is larger than k 2, and k 1≤1,k2 is larger than or equal to 0.5 and smaller than or equal to 0.5.
In a preferred technical scheme of the control method, the step of enabling the washing equipment to execute the preset time dehydration operation specifically comprises the steps of judging whether the first fuzzy weight is smaller than a preset weight, enabling the washing equipment to execute the first time dehydration operation if the first fuzzy weight is smaller than the preset weight, and enabling the washing equipment to execute the second time dehydration operation if the first fuzzy weight is larger than or equal to the preset weight, wherein the first time is smaller than the second time.
In the preferred technical scheme of the control method, the step of selectively enabling the washing equipment to perform water injection operation according to the first fuzzy weight according to the judging result specifically comprises enabling the washing equipment to perform subsection water injection operation if the absolute value of the first difference value is greater than or equal to the preset difference value.
In the preferable technical scheme of the control method, the control method further comprises the steps of enabling the washing equipment to execute fuzzy weighing operation to obtain third fuzzy weight under the condition that the clothes are detected to be dry, detecting the dry humidity of the clothes in the washing barrel again, determining a second water inlet water level according to the third fuzzy weight if the clothes are detected to be dry again, and enabling the washing equipment to execute water injection operation according to the second water inlet water level.
In a second aspect, the present invention provides a washing apparatus comprising a processor, a memory for storing a plurality of program codes, the program codes being adapted to be loaded by the processor and to carry out the control method according to any one of the above preferred embodiments.
In the preferred technical scheme of the control method, after the washing machine is started, the dryness and the humidity of clothes in a washing barrel are detected, the washing machine is made to perform fuzzy weighing operation to obtain first fuzzy weight under the condition that the clothes are detected to be wet clothes, the water level frequency value of the washing machine is obtained, and the washing machine is made to perform water injection operation according to the first fuzzy weight and the water level frequency value.
Compared with the technical scheme of performing water injection operation according to the weight after dehydration in the prior art, the method and the device have the advantages that under the condition that the clothes are wet clothes, the washing machine is enabled to perform fuzzy weighing operation to obtain first fuzzy weight, the water level frequency value of the washing machine is obtained, the water injection level can be accurately determined according to the first fuzzy weight and the water level frequency value, based on the water level frequency value, the washing machine is enabled to perform water injection operation, the water inflow of the washing machine can be accurately controlled, better washing effect is provided for the clothes, waste of water resources is avoided, the aim of providing the highest force and effective water injection operation for the washing machine is achieved, and the use experience of users is improved.
Further, according to the judgment result of whether the absolute value of the first difference is smaller than the preset difference, whether the water for pre-washing clothes is poured into the washing barrel or not while the wet clothes are put into the washing barrel can be accurately judged, based on the judgment result, the water injection operation is selectively carried out by the washing machine according to the first fuzzy weight, the water inflow of the washing machine can be accurately controlled, a better washing effect is provided for the clothes, and the waste of water resources is avoided.
Further, if the absolute value of the first difference is smaller than the preset difference, it is indicated that the user only puts wet clothes into the lesson washing tub, but does not pour water of pre-washed clothes into the washing tub, and the first fuzzy weight is the weight of the wet clothes, the washing machine performs water injection operation according to the first fuzzy weight, so that the injected washing water amount is more reasonable, and user experience is further improved.
Further, the washing machine is enabled to execute the dewatering operation for a preset time to reduce the water content of wet clothes, the washing machine is enabled to execute the fuzzy weighing operation again to obtain a second fuzzy weight after the washing machine executes the dewatering operation, the second fuzzy weight can be accurately corrected according to the first fuzzy weight, the corrected weight is enabled to be closer to the real dry weight of the clothes, the first water inlet level can be accurately determined, the washing machine is enabled to execute the water injection operation according to the first water inlet level, the injected washing water amount is enabled to be more reasonable, and user experience is further improved.
Further, if the absolute value of the first difference is greater than or equal to the preset difference, it is indicated that the user not only puts wet laundry into the course washing tub, but also pours water of pre-laundry into the washing tub, and the first fuzzy weight is the total weight of the wet laundry and the water of the pre-laundry, so that the washing machine performs the sectional water injection operation, excessive washing water is prevented from being injected, the injected washing water amount is more reasonable, and user experience is further improved.
Further, in case that the laundry is detected to be dry laundry, it is possible that the laundry is dry laundry or it is possible that wet laundry is not detected, in order to accurately judge the dry humidity of the laundry, the washing machine is made to perform a fuzzy weighing operation to obtain a third fuzzy weight, the dry humidity of the laundry in the washing tub is detected again, if the laundry is detected to be dry laundry again, the second water inlet level is determined according to the third fuzzy weight, and the washing machine is made to perform a water injection operation according to the second water inlet level, so that the occurrence of misjudgment is avoided.
Drawings
The control method of the present invention is described below with reference to the accompanying drawings, in conjunction with a washing machine, wherein:
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a flow chart of a control method of performing a water flooding operation of the present invention;
FIG. 3 is a second flowchart of a control method of performing a water flooding operation of the present invention;
fig. 4 is a flowchart of a control method of performing a water filling operation according to a first fuzzy weight of the present invention;
fig. 5 is a flowchart of a control method of performing a dehydrating operation of the present invention;
FIG. 6 is a flow chart of a control method of the present invention for correcting a second fuzzy weight;
FIG. 7 is a flow chart of a control method of determining correction coefficients of the present invention;
FIG. 8 is a flow chart II of the control method of the present invention;
Fig. 9 is a logic diagram of the control method of the present invention.
Detailed Description
Preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application. For example, although the present application is described in connection with a washing machine, the technical solution of the present application is not limited thereto, and in practical applications, the washing apparatus may be any laundry washing apparatus such as a washing and drying integrated machine, a steam washing apparatus, a shoe washing machine, etc. The washing machine may be pulsator washing machine, drum washing machine, etc.
It should be noted that in the description of the present invention, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the term "disposed" should be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between the two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Based on the technical problems in the background art, the invention provides a control method for a washing machine, which aims to enable the washing machine to execute fuzzy weighing operation to obtain first fuzzy weight under the condition that the clothes are wet clothes, acquire a water level frequency value of the washing machine, accurately determine a water injection water level according to the first fuzzy weight and the water level frequency value, enable the washing machine to execute water injection operation based on the water level frequency value, accurately control water inflow of the washing machine, provide better washing effect for the clothes, avoid waste of water resources, achieve the aim of providing the washing machine with the highest force and effective water injection operation, and improve user experience.
Referring first to fig. 1, a control method of the present invention will be described. Wherein fig. 1 is a flowchart of the control method of the present invention.
As shown in fig. 1, the washing machine includes a washing tub, and the control method of the present invention includes the steps of:
S100, after the washing machine is started, detecting the dryness and the humidity of clothes in a washing barrel;
S200, under the condition that the clothes are detected to be wet clothes, enabling the washing machine to execute fuzzy weighing operation to obtain first fuzzy weight;
S300, acquiring a water level frequency value of the washing machine;
s400, enabling the washing machine to execute water injection operation according to the first fuzzy weight and the water level frequency value.
In step S100, a detection circuit is provided on a pulsator of the washing machine, and the detection circuit includes a plurality of detection contacts that contact laundry to detect a dry/wet state of the laundry. Alternatively, the detection circuit may be provided on the inner wall of the washing tub. The setting position of the detection circuit can be flexibly adjusted and set by a person skilled in the art, regardless of the setting position of the detection circuit, as long as the dry and wet state of the laundry can be detected.
In step S200, a specific step of causing the washing machine to perform the fuzzy weighing operation is to perform the weighing operation after rotating the washing tub, for example, forward and reverse rotation, or forward rotation, or reverse rotation, so that the laundry distribution in the washing tub is more uniform, so that the obtained first fuzzy weight is more accurate.
Further, the weight of the laundry is detected by the washing machine, for example, the weight of the laundry is obtained by weighing the laundry by a weight sensor provided in the washing machine, or the weight of the laundry is estimated by reading the number of counter electromotive force pulses generated by the driving motor after controlling the driving motor of the washing machine to rotate to a certain rotation speed and stopping the rotation. Whichever way is used, the weight of the garment can be determined.
Further, if the user pours the water of the pre-washing laundry into the washing tub as well, the pre-washing water can be moved further into the outer tub in the course of rotating the washing tub, so that the water level is lowered, and thus the water level frequency value of the washing machine can be more accurately obtained.
In step S300, the water level frequency value may be detected by a water level sensor provided to the washing machine at the same time or after step S200 is performed.
A control method of performing a water filling operation according to the present invention will be described with reference to fig. 2 to 7. Wherein, fig. 2 is a flowchart of a control method of performing a water injection operation of the present invention, fig. 3 is a flowchart of a control method of performing a water injection operation of the present invention, fig. 4 is a flowchart of a control method of performing a water injection operation according to a first fuzzy weight of the present invention, fig. 5 is a flowchart of a control method of performing a dehydration operation of the present invention, fig. 6 is a flowchart of a control method of correcting a second fuzzy weight of the present invention, and fig. 7 is a flowchart of a control method of determining a correction coefficient of the present invention.
As shown in fig. 2, in step S400, the step of "causing the washing machine to perform the water filling operation according to the first fuzzy weight and the water level frequency value" specifically includes:
S411, calculating a first difference value between the water level frequency value and a preset water level frequency value;
s412, judging whether the absolute value of the first difference value is smaller than a preset difference value;
s413, selectively enabling the washing machine to perform water injection operation according to the first fuzzy weight according to the judging result.
In step S411, the first difference Δf is the detected water level frequency value F 1 minus the preset water level frequency value F 0, i.e., Δf=f 1-F0, or the first difference Δf is the preset water level frequency value F 0 minus the detected water level frequency value F 1, i.e., Δf=f 0-F1. The specific manner of calculating the first difference may be determined by one skilled in the art based on the needs of the user. Thus, the first difference may be a positive number, zero or a negative number.
For example, the preset water level frequency value F 0 is 41500Hz, the detected water level frequency value F 1 in step S300 is 41350Hz, Δf= 41350Hz-41500 hz= -150Hz, or the preset water level frequency value F 0 is 41500Hz, the detected water level frequency value F 1 in step S300 is 41450Hz, and Δf= 41500Hz-41450 hz=50 Hz.
In step S412, since the first difference may be positive, zero or negative, the absolute value of the first difference is compared with the preset difference, so as to improve the accuracy of the determination.
It should be noted that the above-listed water level frequency value, first difference value, and preset water level frequency value are only exemplary, and not limiting, and those skilled in the art can flexibly adjust and set the preset water level frequency value according to the actual operation situation of the washing machine, etc., and calculate the first difference value according to the actually detected water level frequency value.
As shown in fig. 3, in step S413, the step of "selectively causing the washing machine to perform the water filling operation according to the first fuzzy weight" specifically includes:
s421, if the absolute value of the first difference value is greater than or equal to a preset difference value, the washing machine is enabled to execute the sectional water injection operation;
s422, if the absolute value of the first difference value is smaller than the preset difference value, the washing machine is enabled to execute the water injection operation according to the first fuzzy weight.
In step S421, if the absolute value of the first difference is greater than or equal to the preset difference, for example, the preset difference is 100Hz, the calculated first difference is-150 Hz, and the absolute value thereof is 150Hz, which is greater than the preset difference, which indicates that the user not only puts wet laundry into the course washing tub, but also pours water of pre-laundry into the washing tub, and the first fuzzy weight is the total weight of the wet laundry and the water of the pre-laundry, the washing machine performs the sectional water injection operation, so that excessive washing water is prevented from being injected, the injected washing water amount is more reasonable, and the user experience is further improved.
Further, determining a current water level according to the water level frequency value, determining a first target water level according to the current water level, enabling the washing machine to fill water to the first target water level, for example, the first target water level is the second water level, detecting the water level frequency value again after a preset time (for example, 10 s) is separated, judging whether the difference value between the detected water level frequency value and the last detected water level frequency value is in a preset deviation range or not, if so, enabling the washing machine to stop filling water, otherwise, enabling the washing machine to fill water to the second target water level, for example, the next water level, and repeating the steps until the difference value between the detected water level frequency value and the last detected water level frequency value is in the preset deviation range.
In step S422, if the absolute value of the first difference is smaller than the preset difference, for example, the preset difference is 100Hz, the calculated first difference is 50Hz, and the absolute value thereof is 50Hz, which is smaller than the preset difference, which indicates that the user only puts wet clothes into the lesson washing tub, but does not pour the water of the pre-washed clothes into the washing tub, and the first fuzzy weight is the weight of the wet clothes, the water injection operation is performed by the washing machine according to the first fuzzy weight, so that the injected washing water amount is more reasonable, and the user experience is further improved.
It should be noted that the above-listed first difference and preset difference are only exemplary, not limiting, and those skilled in the art can flexibly adjust and set the preset difference according to the actual operation of the washing machine and the like, and calculate the first difference according to the actually detected water level frequency value.
It should be noted that, in the above process, the step S421 and the step S422 are not sequential, and are parallel, and only related to the determination result that whether the absolute value of the first difference is smaller than the preset difference, and the corresponding steps are executed according to different determination results.
As shown in fig. 4, in step S422, the step of "causing the washing machine to perform the water filling operation according to the first fuzzy weight" specifically includes:
s431, enabling the washing machine to execute a dehydration operation for a preset time;
S432, after the washing machine executes the dewatering operation, enabling the washing machine to execute the fuzzy weighing operation again to obtain a second fuzzy weight;
S433, correcting the second fuzzy weight according to the first fuzzy weight to obtain the corrected weight of the second fuzzy weight;
s434, determining a first water inlet level according to the correction weight;
S435, enabling the washing machine to execute water filling operation according to the first water inlet level.
As shown in fig. 5, in step S431, the step of "causing the washing machine to perform the preset time dehydrating operation" specifically includes:
s441, judging whether the first fuzzy weight is smaller than a preset weight, if so, executing a step S442, and if not, executing a step S443;
s442, enabling the washing machine to execute a first time dehydration operation;
S443, enabling the washing machine to execute a second time dehydration operation;
wherein the first time is less than the second time.
In step S442, if the first fuzzy weight is less than the preset weight, for example, the preset weight is 4kg, the detected first fuzzy weight is 3kg, which is less than the preset weight, indicating that the first fuzzy weight is light and the laundry can be dried for a short time, the washing machine is caused to perform the 30S dehydration operation.
In step S443, if the first fuzzy weight is greater than or equal to a preset weight, for example, the preset weight is 4kg, the detected first fuzzy weight is 6kg, which is greater than the preset weight, indicating that the first fuzzy weight is heavy and the laundry can be dried for a long time, the washing machine is caused to perform a 60S dehydration operation.
It should be noted that the above-listed preset weight, first time, and second time are only exemplary, and not restrictive, and those skilled in the art may determine the first fuzzy weight according to the actual detection result, and flexibly adjust and set the preset weight, first time, and second time according to the actual operation condition of the washing machine, etc., so long as the first time is made smaller than the second time.
It should be noted that, in the above process, the step S442 and the step S443 are not in sequence, and are parallel, and only related to the determination result of whether the first fuzzy weight is less than the preset weight, and the corresponding steps may be executed according to different determination results.
In step S432, a specific step of causing the washing machine to perform the fuzzy weighing operation is to perform the weighing operation after rotating the washing tub, for example, forward and reverse rotation, or forward rotation, or reverse rotation, so that the laundry distribution in the washing tub is more uniform, so that the obtained second fuzzy weight is more accurate, for example, 2.4kg, 2kg, etc.
As shown in fig. 6, in step S433, the step of "correcting the second weight based on the first weight to obtain the corrected weight of the second weight" specifically includes:
s451, calculating a second difference value between the first fuzzy weight and the second fuzzy weight;
s452, calculating a ratio between the second difference value and the second fuzzy weight;
s453, judging whether the ratio is larger than or equal to a preset ratio;
s454, determining a correction coefficient according to the judgment result;
S455, calculating the product of the correction coefficient and the second fuzzy weight, and taking the product as the correction weight.
In step S451, the second difference Δm is a number obtained by subtracting the detected second blur weight m 2 from the detected first blur weight m 1, that is, Δm=m 1-m2.
In step S452, the ratio ζ m is calculated using the following formula ζ m＝△m/m2＝(m1-m2)/m2.
For example, when the detected first blur weight m 1 is 6kg and the detected second blur weight m 2 is 2.4kg, ζ m = (6-2.4)/2.4=1.5.
As another example, if the detected first blur weight m 1 is 3kg and the detected second blur weight m 2 is 2kg, ζ m = (3-2)/2=0.5.
As shown in fig. 7, in step S454, the step of "determining the correction coefficient according to the determination result" specifically includes:
S461, if the ratio is larger than or equal to a preset ratio, determining the correction coefficient as a first correction coefficient k 1;
s462, if the ratio is smaller than a preset ratio, determining the correction coefficient as a second correction coefficient k 2;
Wherein k 1 is greater than k 2 and 0.5< k 1≤1,k2 is less than or equal to 0.5.
In step S461, if the ratio is greater than or equal to the preset ratio, for example, the preset ratio is 1, the calculated ratio is 1.5, and is greater than the preset ratio, which indicates that the material of the laundry is easy to remove water, the water content of the laundry is less after the dehydration operation is performed, and the difference between the water content and the real dry weight of the laundry is smaller, the correction coefficient is determined to be the first correction coefficient k 1, for example, other coefficients such as 0.6, 0.8, 1, and the like, so that the second fuzzy weight can be accurately corrected, and the approximate dry weight of the laundry can be accurately determined, and the corrected weight is closer to the real dry weight of the laundry.
In step S462, if the ratio is smaller than the preset ratio, for example, the preset ratio is 1, the calculated ratio is 0.5, which is smaller than the preset ratio, which indicates that the material of the laundry is not easy to remove water, the water content of the laundry after the dehydration operation is performed is more, and the difference between the water content and the real dry weight of the laundry is larger, the correction coefficient is determined to be the second correction coefficient k 2, for example, other coefficients such as 0.5, 0.3, 0.1, etc., so that the second fuzzy weight can be accurately corrected, and the corrected weight is closer to the real dry weight of the laundry.
It should be noted that, in the above process, the steps S461 and S462 are not in sequence, and are parallel, and only related to the determination result of whether the ratio is greater than or equal to the preset ratio, and the corresponding steps are executed according to different determination results.
In step S455, for example, the determined correction coefficient is a first correction coefficient k 1, where k 1 is 0.6, the second blur weight m 2 is 2.4kg, and the calculated correction weight m=0.6x2.4kg=1.44 kg.
For another example, the determined correction coefficient is a second correction coefficient k 2, where k 2 is 0.5, the second blur weight m 2 is 2kg, and the calculated correction weight m=0.5×2kg=1 kg.
In step S434, a preset weight range in which the correction weight is located may be determined according to the correction weight, and the first water inlet level may be determined according to the preset weight range. The washing machine is assumed to comprise three preset weight ranges, wherein the three preset weight ranges respectively correspond to different water inlet levels, for example, the first preset weight range is 0 kg-1 kg, the corresponding water inlet level is the second water level, the second preset weight range is 1 kg-2 kg, the corresponding water inlet level is the third water level, the third preset weight range is 2 kg-3 kg, and the corresponding water inlet level is the fourth water level. Of course, the number of preset weight ranges, the division manner of the preset weight ranges and the corresponding water inlet levels included in the washing machine are not limited to the above-listed cases, and the weight ranges may be divided into two ranges, four ranges and other ranges, so long as each weight range corresponds to a different water inlet level, regardless of how the weight ranges are divided.
Further, if the corrected weight is 1.44kg, the weight of the laundry is in the second preset weight range, and accordingly, the corresponding first water inlet level is the third water level, and, for example, the weight of the laundry is 1kg, the weight of the laundry is in the first preset weight range, and accordingly, the corresponding first water inlet level is the second water level, that is, the preset weight range in which the weight is located can be determined according to the corrected weight, so that the water inlet level can be determined according to the preset weight range in which the weight is located.
In step S435, the first water inlet level has been accurately determined according to the corrected weight, so that the first water inlet level can meet the requirement of cleaning the laundry, and the water inlet amount of the washing machine can be accurately controlled, so that the washing machine can directly inject water to the first water inlet level.
Or in an alternative embodiment, the step of "causing the washing machine to perform the water filling operation according to the first fuzzy weight and the water level frequency value" specifically includes:
the method includes the steps of judging whether a water level frequency value is smaller than a set frequency value, if the water level frequency value is smaller than the set frequency value, judging that a user puts wet clothes into a class washing barrel and water for pre-washing the clothes is poured into the washing barrel, enabling the washing machine to execute sectional water injection operation, and if the water level frequency value is larger than or equal to the set frequency value, judging that the user only puts the wet clothes into the class washing barrel and water for pre-washing the clothes is not poured into the washing barrel, enabling the washing machine to execute water injection operation according to first fuzzy weight.
Of course, in actual application, the method of causing the washing machine to perform the water filling operation according to the first fuzzy weight and the water level frequency value is not limited to the two methods listed above, and the water filling operation may be performed by other methods.
The control method of the present invention is further described below with reference to fig. 8. Fig. 8 is a second flowchart of the control method of the present invention.
As shown in fig. 8, the control method further includes:
s511, in the case that the clothes are detected to be dry clothes, enabling the washing machine to execute fuzzy weighing operation to obtain third fuzzy weight;
s512, detecting the dryness and the humidity of the clothes in the washing barrel again;
If it is detected again that the laundry is dry laundry, step S513 is performed;
If the laundry is again detected as wet laundry, returning to step S200;
s513, determining a second water inlet level according to the third fuzzy weight;
S514, enabling the washing machine to execute water injection operation according to the second water inlet level.
In step S511 and step S512, in the case where it is detected that the laundry is dry laundry, it is possible that the laundry is dry laundry, or it is also possible that the laundry is wet laundry, but none of the plurality of detection contacts is in contact with the laundry, so that no wet laundry is detected, in order to accurately determine the dry humidity of the laundry, the washing tub is rotated, for example, rotated forward or backward, or rotated forward or rotated backward, so that the distribution of the laundry in the washing tub is more uniform, and then the dry humidity of the laundry is detected again by the detection circuit, thereby avoiding the occurrence of misjudgment. Of course, the secondary pass detection circuit may detect the dryness and humidity of the laundry while performing step S511.
Further, in the above process, after the laundry in the washing tub is more uniformly distributed, a weighing operation is performed so that the obtained third fuzzy weight is more accurate.
In step S513, if the laundry is detected as the dry laundry again, it is stated that the laundry is definitely the dry laundry, and the second water inlet level can be accurately determined according to the weight of the laundry, and the specific determination method may refer to the description in step S434, which is not repeated herein.
In step S514, the second water inlet level is accurately determined according to the weight of the laundry, so that the second water inlet level can meet the requirement of cleaning the laundry, and the water inlet amount of the washing machine can be accurately controlled, so that the washing machine can directly inject water to the second water inlet level.
Further, if the laundry is detected as wet laundry again, which means that the laundry distribution is uneven during the detection in step S100, and the dryness and humidity of the laundry are not effectively detected, and when the laundry is detected as wet laundry at this time, returning to step S200, obtaining F 1, and performing according to the wet laundry with the third fuzzy weight as the third fuzzy weight, thereby avoiding determining the water inlet level according to the dry laundry in the case that the laundry is actually wet laundry, accurately controlling the water inlet amount of the washing machine, and avoiding the waste of water resources.
In the above process, the steps S200 and S511 are not sequentially arranged, and are merely related to the detection result of the dryness and humidity of the laundry, and the corresponding steps may be executed according to different detection results. Step S513 and step S200 are not in sequence, and are parallel, and only related to the detection result of the dryness and humidity of the laundry, and the corresponding steps may be executed according to different detection results.
One possible control flow of the present invention is described below with reference to fig. 9. Fig. 9 is a logic diagram of the control method of the present invention.
As shown in fig. 9, one possible complete flow of the control method of the present invention is:
S601, starting the washing machine;
s602, after the washing machine is started to run, detecting the dryness and the humidity of clothes in the washing barrel;
If the laundry is wet laundry, step S603 is performed;
if the laundry is dry laundry, performing step S615;
S603, enabling the washing machine to execute fuzzy weighing operation to obtain a first fuzzy weight m 1, and obtaining a water level frequency value F 1 of the washing machine;
s604, calculating a first difference DeltaF between the F 1 and a preset water level frequency value F 0;
S605, judging whether the I delta F I <100Hz is true or not;
S606, enabling the washing machine to execute a preset time t dehydration operation, wherein t is determined according to m 1;
S607, after the washing machine performs the dewatering operation, enabling the washing machine to perform the fuzzy weighing operation again to obtain a second fuzzy weight m 2;
S608, calculating a second difference Deltam between m 1 and m 2;
S609, calculating a ratio ζ m between Deltam and m 2;
s610, determining a correction coefficient k according to ζ m;
S611, calculating the product of k and m 2, and taking the product as the correction weight m of the second fuzzy weight;
S612, determining a first water inlet level L 1 according to the correction weight m;
S613, enabling the washing machine to execute water injection operation according to the L 1;
S614, the washing machine executes the subsection water injection operation;
s615, enabling the washing machine to execute fuzzy weighing operation to obtain a third fuzzy weight m 3;
s616, detecting the dryness and humidity of the clothes in the washing barrel again;
if the laundry is dry laundry, performing step S617;
If the clothes are wet clothes, returning to the step S603, obtaining F 1, and taking m 3 as m 1;
S617, determining a second water inlet level L 2 according to m 3;
S618, enabling the washing machine to execute water injection operation according to the L 2.
It should be noted that the foregoing embodiment is only a preferred embodiment of the present invention, and is only for illustrating the principle of the method of the present invention, and is not intended to limit the scope of the present invention, and in practical applications, those skilled in the art may perform the above function allocation by different steps, i.e. re-decompose or combine the steps in the embodiment of the present invention. For example, the steps of the above embodiments may be combined into one step, or may be further split into multiple sub-steps to complete all or part of the functions described above. The names of the steps involved in the embodiments of the present invention are merely for distinguishing the steps, and are not to be construed as limiting the present invention.
In addition, the invention also provides a washing machine, which comprises a processor and a memory, wherein the memory is used for storing a plurality of program codes, and the program is loaded by the processor and executes the control method in any one of the embodiments.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
Claims (7)
1. A control method for a washing apparatus, the washing apparatus comprising a washing tub, the control method comprising the steps of:
Detecting a dryness-humidity of laundry in the washing tub after the washing apparatus is started;
In case that the laundry is detected to be wet laundry, causing the washing apparatus to perform a fuzzy weighing operation, resulting in a first fuzzy weight;
acquiring a water level frequency value of the washing equipment;
according to the first fuzzy weight and the water level frequency value, the washing equipment executes water injection operation;
wherein the step of "causing the washing apparatus to perform a water injection operation according to the first fuzzy weight and the water level frequency value" specifically includes:
calculating a first difference value between the water level frequency value and a preset water level frequency value;
judging whether the absolute value of the first difference value is smaller than a preset difference value or not;
if yes, the washing equipment is enabled to execute water injection operation according to the first fuzzy weight;
Wherein the step of "causing the washing apparatus to perform a water filling operation according to the first fuzzy weight" specifically includes:
causing the washing apparatus to perform a dehydration operation for a preset time;
after the washing equipment performs the dewatering operation, enabling the washing equipment to perform fuzzy weighing operation again to obtain a second fuzzy weight;
Correcting the second fuzzy weight according to the first fuzzy weight to obtain the corrected weight of the second fuzzy weight;
Determining a first intake water level based on the correction weight;
And enabling the washing equipment to execute water injection operation according to the first water inlet level.
2. The control method according to claim 1, wherein the step of "correcting the second weight based on the first weight to obtain a corrected weight of the second weight" specifically includes:
Calculating a second difference between the first blur weight and the second blur weight;
calculating a ratio between the second difference and the second fuzzy weight;
judging whether the ratio is larger than or equal to a preset ratio;
determining a correction coefficient according to the judgment result;
and calculating the product of the correction coefficient and the second fuzzy weight, and taking the product as the correction weight.
3. The control method according to claim 2, wherein the step of determining the correction coefficient based on the determination result specifically includes:
If the ratio is greater than or equal to the preset ratio, determining the correction coefficient as a first correction coefficient k 1;
If the ratio is smaller than the preset ratio, determining the correction coefficient as a second correction coefficient k 2;
Wherein k 1 is greater than k 2 and 0.5< k 1≤1,k2 is less than or equal to 0.5.
4. The control method according to claim 1, wherein the step of "causing the washing apparatus to perform the preset time dehydrating operation" specifically includes:
judging whether the first fuzzy weight is smaller than a preset weight or not;
if the first fuzzy weight is less than the preset weight, causing the washing apparatus to perform a first time dehydrating operation;
Causing the washing apparatus to perform a second time dehydrating operation if the first fuzzy weight is greater than or equal to the preset weight;
Wherein the first time is less than the second time.
5. The control method according to claim 1, wherein if the absolute value of the first difference is greater than or equal to the preset difference, the washing apparatus is caused to perform a step-water injection operation.
6. The control method according to claim 1, characterized in that the control method further comprises:
In case that the laundry is detected to be dry laundry, causing the washing apparatus to perform a fuzzy weighing operation, resulting in a third fuzzy weight;
Detecting the dryness and humidity of the clothes in the washing barrel again;
if the laundry is detected to be dry laundry again, determining a second water inlet level according to the third fuzzy weight;
and enabling the washing equipment to execute water injection operation according to the second water inlet level.
7. A washing apparatus, the washing apparatus comprising:
A processor;
a memory for storing a plurality of pieces of program code;
Characterized in that the program code is adapted to be loaded by the processor and to execute the control method of any one of claims 1 to 6.
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| CN105755744A (en) * | 2016-04-28 | 2016-07-13 | 无锡小天鹅股份有限公司 | Method and device for setting water inflow of washing machine |
| CN106894196A (en) * | 2015-12-18 | 2017-06-27 | 北京奇虎科技有限公司 | Washing machine water filling control method and washing machine |
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| JP5923380B2 (en) * | 2012-05-16 | 2016-05-24 | シャープ株式会社 | Washing machine |
| KR101504686B1 (en) * | 2012-10-09 | 2015-03-20 | 엘지전자 주식회사 | Laundry treatment machine and the method for operating the same |
| KR20150047779A (en) * | 2013-10-25 | 2015-05-06 | 삼성전자주식회사 | Washing machine and control method thereof |
| CN107338614B (en) * | 2017-08-08 | 2021-10-26 | 青岛海尔洗衣机有限公司 | Washing machine water inflow control method and washing machine |
| JP2020044236A (en) * | 2018-09-21 | 2020-03-26 | 日立グローバルライフソリューションズ株式会社 | Washing machine |
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| CN106894196A (en) * | 2015-12-18 | 2017-06-27 | 北京奇虎科技有限公司 | Washing machine water filling control method and washing machine |
| CN105755744A (en) * | 2016-04-28 | 2016-07-13 | 无锡小天鹅股份有限公司 | Method and device for setting water inflow of washing machine |
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