CN202350796U - Calorie computing mechanism and pedometer - Google Patents

Abstract

The utility model discloses a pedometer capable of computing a calorie value. A calorie computing mechanism in the pedometer comprises an acceleration sensor, a height sensor, a judging module and a computing module, wherein the acceleration sensor acquires an acceleration value of the current movement; the height sensor acquires a height value of the current movement and computes a corresponding height fall head value; the judging module comprises a track computing unit and a mode matching unit, and the track computing unit computes the path track of the current movement; the mode matching unit matches different movement mode based on the path track and the height fall head value; and the computing module computes the calorie value consumed by the current movement based on the movement mode and the acceleration value. Compared with the prior art, the pedometer disclosed by the utility model adopts the height sensor to obtain the height fall head value of the current movement so as to distinguish the current movement mode exactly and in particular to judge out a climbing mode; when a user climbs a mountain, a slope or stairs, the pedometer computes the calorie value by using corresponding parameters; and the computing results are exact.

Description

Calorie counting mechanism and its pedometer

technical field

The utility model relates to a pedometer capable of calculating calorie value, in particular to a pedometer capable of accurately judging a user's exercise state, especially a mountain-climbing exercise mode for accurate calorie calculation.

Background technique

In order to make it easier for users to understand the number of steps and the amount of current exercise, pedometers currently on the market use acceleration sensors to detect people’s movement trajectories and measure the calories consumed by the current exercise. When the above-mentioned pedometer calculates the calorie value, the current exercise The acceleration value of the current exercise is used to calculate the frequency and distance of the current exercise, and the user's exercise mode (walking mode or running mode) is judged by the frequency and time of the current exercise, and the number of moving steps and distance is calculated, and then different exercise modes are selected. However, when the user climbs a mountain, slope or stairs, the pedometer often calculates the calorie value in walking mode, but actually the energy consumed when climbing a mountain, slope or stairs The calorie value is much greater than the calorie value while walking, resulting in inaccurate calculations.

Therefore, there is an urgent need for a pedometer that can accurately determine the user's exercise state and accurately calculate the calorie value.

Utility model content

The purpose of this utility model is to provide a calorie calculation mechanism, which can accurately judge the user's exercise state, especially the mountain climbing exercise mode, so that the calorie calculation is accurate.

Another object of the present invention is to provide a pedometer, which can accurately judge the user's exercise state, especially the mountain climbing exercise mode, so that the calorie value can be calculated accurately.

In order to achieve a purpose, the utility model provides a calorie calculation mechanism, which includes an acceleration sensor, a height sensor, a judging module and a calculation module, the acceleration sensor collects the acceleration value of the current motion; the height sensor collects the acceleration value of the current motion height value and calculates the corresponding height drop value; the judgment module includes a trajectory calculation unit and a pattern matching unit, and the trajectory calculation unit calculates the path trajectory of the current movement according to the acceleration value; the pattern matching unit calculates the path trajectory according to the path The trajectory and altitude drop value match different exercise modes; the calculation module calculates the calorie value consumed by the current exercise according to the exercise mode and acceleration value.

Specifically, the calculation module includes a selection unit and several card counting units corresponding to the exercise mode, the selection unit selects the corresponding card counting unit according to different exercise modes, and the card counting unit selects the corresponding card counting unit according to the acceleration value Calculate the calorie value of the current exercise.

Preferably, the trajectory calculation unit includes a trajectory point calculation unit and a trajectory curve acquisition unit, the trajectory point calculation unit is used to calculate the corresponding path trajectory points according to the acceleration value; the trajectory point filter unit connects the path trajectory points Curve and filter out invalid trajectory curves to obtain an effective path trajectory, so as to filter out the path trajectory generated by the user in a non-moving state due to no shaking.

Preferably, the calorie calculation mechanism further includes a filtering module, configured to filter the acceleration values collected by the acceleration sensor to obtain effective acceleration values. Make the collected data more accurate.

Preferably, the calorie calculation mechanism further includes a correction module, and the correction module corrects the calorie value calculated by the calculation module according to the user's physical information. Due to the difference in height, weight and gender of the user, after exercising at the same frequency and for the same time, the calorie consumption value is also different. At this time, the calorie value obtained by the calculation module needs to be corrected based on the experience value and the user's physical information.

Specifically, the exercise mode includes a walking mode, a running mode and a mountain climbing mode, and the card counting unit includes a walking card counting unit, a running card counting unit and a mountain climbing card counting unit. Of course, the exercise module may also include a jogging mode and a fast running mode.

The utility model also provides a corresponding pedometer, which includes buttons, a central processing unit and a display screen, the central processing unit includes a calorie calculation mechanism and a step counting unit, and the step counting unit calculates the motion according to the acceleration value of the current motion The number of steps, the button provides an operation platform for the user, and the display screen displays the number of exercise steps and calorie value.

Compared with the prior art, the utility model adopts the height sensor to obtain the height drop value of the user's current movement, so that the pedometer of the utility model can accurately distinguish the movement pattern of the user, especially whether the user is climbing or climbing Slopes or stairs, and when the user climbs mountains, slopes or stairs, the corresponding calculation parameters are used to calculate the calorie value, and the calculation results are accurate.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the utility model pedometer.

Fig. 2 is a three-dimensional schematic view of the pedometer of the present invention with the shell removed.

Fig. 3 is a structural block diagram of the utility model pedometer.

Fig. 4 is a structural block diagram of the track meter card unit in the calorie calculation mechanism of the present invention.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

With reference to Fig. 1 to Fig. 3, the utility model pedometer 100 comprises key 11, CPU 12 and display screen 13, and described CPU 12 comprises calorie calculation mechanism 200 and pedometer unit 300, and described pedometer unit 300 It is used to calculate the number of exercise steps Ss and the calorie value Se consumed and displayed on the display screen 13. The buttons 11 provide an operation platform for the user.

2 and 3, the calorie calculation mechanism 200 includes an acceleration sensor 21, a height sensor 22, a judgment module 23 and a calculation module 24, the acceleration sensor 21 collects the acceleration value Sa of the current motion; the height sensor 22 collects the current motion and calculate the height drop value Sh; the judgment module 23 includes a trajectory calculation unit 31 and a pattern matching unit 32, and the trajectory calculation unit 31 calculates the path trajectory St according to the acceleration value Sa; the pattern matching unit 32 Match different motion patterns Sp according to the path trajectory St and the height drop value Sh, wherein the motion patterns Sp include walking patterns, running patterns and mountain climbing patterns; the calculation module 24 is based on the motion patterns Sp and acceleration values Sa Calculate the calorie value Se consumed by the current exercise. Wherein, the acceleration sensor 21 is a three-dimensional holographic acceleration sensor.

Referring to FIG. 2 , the step counting unit 300 calculates the number of motion steps Ss according to the acceleration value Sa of the current motion.

Referring to Fig. 2, the calculation module 24 includes a selection unit 241 and several card counting units 242 corresponding to the motion patterns Sp, and the selection unit 241 sends corresponding card counting units 242 according to different motion patterns Sp. The signal Sc is selected to select the corresponding card counting unit 242, and the card counting unit 242 calculates the calorie value Se consumed by the current exercise according to the acceleration value Sa. Specifically, the card counting unit 242 includes a walking card counting unit 2421 , a running card counting unit 2422 and a climbing card counting unit 2423 .

With reference to Fig. 4, described track calculation unit 231 comprises track point calculation part 2311 and track curve acquisition part 2312, and track point calculation part 2311 calculates corresponding route track point according to described acceleration value Sa; Track point filter part 2312 described The path trajectory points are connected into a curve and invalid trajectory curves are filtered out to obtain an effective path trajectory St, so as to filter out the path trajectory generated by the user in a non-moving state due to no shaking.

Preferably, the calorie calculation mechanism 200 further includes a filtering module 25, and the filtering module 25 is configured to filter the acceleration value Sa collected by the acceleration sensor 21 to obtain an effective acceleration value Sa.

Preferably, the calorie calculation mechanism 200 further includes a correction module 26, and the correction module 26 corrects the calorie value Se output by the calculation module 26 according to the user's body information Sm. The body information Sm is input from the outside, generally by the user through keys.

With reference to Fig. 1 to Fig. 4, describe in detail the working process of the utility model pedometer 100, at first the user inputs the user's physical information Sm (comprising height, weight, gender etc.) ), along with the motion of the user, the acceleration sensor 21 collects the acceleration value Sa of the current motion, the height sensor 22 collects the height value of the current motion and calculates the height drop value Sh, and the filtering module 25 filters out the effective acceleration according to the correlation value Sa, the step counting unit 300 calculates the number of motion steps Ss according to the acceleration value Sa of the current motion and sends it to the display screen 13 for display, and the trajectory point calculation part 2311 in the trajectory calculation unit 231 calculates the corresponding acceleration value Sa according to the effective acceleration value Sa. The path track point, the track point filtering unit 2312 connects the path track points into a curve and filters out invalid track curves to obtain an effective path track St, and the pattern matching unit 32 matches different values according to the effective path track St and the height drop value Sh motion pattern Sp, the selection unit 241 in the calculation module 24 sends a corresponding selection signal Sc to the card counting unit 242 to select the corresponding card counting unit 242 according to different motion patterns Sp, if it is in the walking mode, the selection unit 241 selects Walking counting unit 2421, walking counting unit 2421 calculates the calorie value Se of current exercise consumption according to corresponding parameters; if in running mode, selection unit 241 selects running counting unit 2422, running counting unit 2422 calculates according to corresponding parameters If it is in the mountain climbing mode, the selection unit 241 selects the mountain climbing counting unit 2423, and the climbing counting unit 2423 calculates the calorie value Se of the current sports consumption according to the corresponding parameters, and the correction module 26 according to The user's body information Sm corrects the calorie value Se calculated by the calculation module 24 to obtain an accurate calorie value Se and sends it to the display screen 13 for display.

To sum up, compared with the prior art, the utility model adopts the height sensor 22 to obtain the height drop value Sh of the user's current movement, so that the pedometer 100 of the utility model can accurately distinguish the movement pattern of the user, especially can determine the user's movement pattern. Whether the user is climbing a mountain, a slope or a staircase, and when the user is climbing a mountain, a slope or a staircase, the calorie value Se is calculated using the corresponding calculation parameters, and the calculation result is accurate.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (7)

1. calorie counter structure is characterized in that: comprising:

Acceleration transducer is gathered the accekeration of current motion;

Height sensor is gathered the height value of current motion and is calculated corresponding height fall value;

Judge module comprises track computing unit and pattern matching unit, and said track computing unit calculates the path locus of current motion according to said accekeration; Said pattern matching unit is according to said path locus and the different motor pattern of height fall value coupling;

Computing module calculates the caloric value that current motion consumes according to said motor pattern and accekeration.

2. calorie counter structure as claimed in claim 1; It is characterized in that: said computing module comprises selected cell and several meter card unit corresponding with said motor pattern; Said selected cell is selected corresponding meter card unit according to different motor patterns, and said meter card unit calculates the caloric value that current motion consumes according to said accekeration.

3. calorie counter structure as claimed in claim 1 is characterized in that: said track computing unit comprises:

The tracing point calculating part is used for calculating corresponding path locus point according to said accekeration;

Geometric locus obtains portion, and said path locus point is linked to be curve and filters out invalid geometric locus to obtain the path locus of current motion.

4. calorie counter structure as claimed in claim 1 is characterized in that: also comprise filtering module, said filtering module is used for the accekeration of filtered acceleration sensor acquisition to obtain effective accekeration.

5. calorie counter structure as claimed in claim 1 is characterized in that: also comprise correcting module, the caloric value that said correcting module calculates according to user's the said computing module of biological information correction.

6. calorie counter structure as claimed in claim 1 is characterized in that: said motor pattern comprises walking pattern, running pattern and the pattern of climbing the mountain, and said meter card unit comprises walking-meter card unit, run the meter card unit and the meter card unit of climbing the mountain.

7. passometer; It is characterized in that: comprise button, central processing unit and display screen; Said central processing unit comprises calorie counter structure and meter step unit, and said calorie counter structure is as shown among the claim 1-6 each, and said meter step unit calculates the motion step number according to the accekeration of current motion; Said button provides operating platform for the user, and said display screen shows said motion step number and caloric value.

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