Sneaker system with exercise data monitoring function

Abstract

The invention discloses a sports data monitoring sports shoe system, and belongs to the field of intelligent wearing. The sole is formed by composite hot pressing of a polyvinylidene fluoride-trifluoroethylene copolymer piezoelectric film and TPU, and a sensor mounting position is reserved; the vamps are made of comfortable fabric. The monitoring module comprises an acceleration sensor, a pressure sensor and a bioelectricity sensor which are used for collecting motion acceleration, foot pressure and bioelectricity signals respectively. And the data processing module realizes motion state recognition, motion stage division and apnea dyskinesia detection through algorithm fusion analysis. The communication module transmits the data to an intelligent terminal, and health suggestions are provided after the data are processed by a special program. The system can be provided with a self-powered system, and the piezoelectric film is used for power generation and energy storage. The method improves the monitoring precision and the user experience, and has application value.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent wearable devices, and in particular to a sports shoe system with a motion data monitoring function. Background Art

[0002] As people's focus on health continues to grow, the demand for monitoring their exercise quality and status is also increasing. As a common footwear item in daily life, integrating exercise data monitoring into sports shoes will provide users with a more convenient and comprehensive way to monitor their health data.

[0003] Chinese patent CN109662714A: relates to the field of medical device technology, and in particular to a medical motion monitoring insole, comprising a circuit and a sensor layer, wherein protective layers are provided at the upper and lower ends of the circuit and sensor layer, and motion sensors and pressure sensors are provided inside the circuit and sensor layer, wherein the pressure sensors are distributed in an array or dot matrix, and an acquisition interface and a processing module are also provided inside the circuit and sensor layer, wherein the acquisition interface is used to aggregate the data collected by the motion sensor and the pressure sensor and transmit the data to the processing module, and the processing module is used to process the data collected by the acquisition interface.

[0004] Chinese patent CN108741383B: provides a sports health monitoring shoe based on a flexible pressure sensor, including a sole, an upper arranged on the sole, and an insole arranged between the sole and the upper. The insole includes a shock-absorbing layer, an antibacterial layer arranged on the shock-absorbing layer, and a functional layer arranged between the shock-absorbing layer and the antibacterial layer. The functional layer includes a wrapping layer and a flexible sensor located in the wrapping layer; the tongue layer is provided with an inverted triangle-shaped hardware module, and the hardware module includes a main controller, a wireless transmission module, and a sensor module.

[0005] Chinese patent CN103519484B: A self-generating pedometer shoe, comprising an upper and front and rear soles, the front and rear soles respectively comprising a front power generation device and a rear power generation device embedded therein, both the front and rear soles being made of easily deformable materials, characterized in that the front and rear power generation devices respectively comprise an elastic recovery body, a protrusion device and a piezoelectric ceramic element, during walking, the sole of the foot squeezes the elastic recovery body to deform, and the protrusion device squeezes the piezoelectric ceramic element to generate voltage; when lifted, the elastic recovery body returns to the state before being squeezed.

[0006] There are already some devices on the market for monitoring exercise, such as smart bracelets and smart watches. However, these devices are primarily worn on the wrist and lack comprehensive information about foot movement. Existing smart monitoring shoes, however, suffer from low monitoring accuracy, limited data processing capabilities, and insufficient battery life, failing to meet user needs for data and a good user experience. Summary of the Invention

[0007] In order to solve the above problems, the present invention provides a sports shoe system with motion data monitoring function to solve the problems of incomplete foot motion data monitoring and imperfect functions in the existing technology, and provide users with more comprehensive and accurate health data monitoring services.

[0008] The present invention discloses a sports data monitoring sports shoe system, belonging to the field of smart wearables. The sole is made of a composite hot-pressed polyvinylidene fluoride-trifluoroethylene copolymer piezoelectric film and TPU, with a reserved sensor installation position; the upper is made of comfortable fabric and a bioelectric sensor, which respectively collects motion acceleration, foot pressure, and bioelectric signals. The data processing module realizes motion state recognition and other detection through algorithm fusion analysis. The communication module transmits the data to the mobile phone smart terminal, and provides health advice after processing by a dedicated mobile phone program. The system can be equipped with an optional self-powered system, which uses the piezoelectric film to generate electricity and store energy. The present invention improves monitoring accuracy and user experience and has application value.

[0009] A sports shoe system with a sports data monitoring function, comprising:

[0010] The sole of the sneaker is made of a composite of polyvinylidene fluoride-trifluoroethylene copolymer piezoelectric plastic film (P (VDF-TrFE)) and TPU. The piezoelectric film is 25μm-50μm thick and is formed by hot pressing to form a "piezoelectric layer-support layer" structure.

[0011] A bionic octopus suction cup-like boss array is formed from the arch to the heel using a micro-injection molding process. The boss height is 1.5-2.5mm, the bottom diameter is 2-3mm, and the array spacing is 3-5mm. Each boss bottom surface is embedded with a hemispherical PZT-5H piezoelectric ceramic micro-pillar, forming a point-to-surface coupled stress conduction structure with the underlying P (VDF-TrFE) piezoelectric film. A mounting position for the monitoring module is reserved, and the upper is made of comfortable fabric and sewn to the sole.

[0012] Monitoring module: Contains an acceleration sensor, a pressure sensor, and a bioelectric sensor. The acceleration sensor is installed at the heel of the shoe sole; the pressure sensor uses the piezoelectric film on the sole, undergoes signal processing and 24-bit ADC conversion; the bioelectric sensor is installed at the contact point between the shoe sole and the foot;

[0013] Data processing module: connected to the monitoring module, using advanced algorithms to fuse and analyze data to identify movement status;

[0014] Communication module: connects to the data processing module and uses Bluetooth or Wi-Fi wireless communication technology to transmit the processed data to the terminal device;

[0015] Terminal device: A smart device with corresponding applications installed, which is used to receive, store, display and analyze data transmitted by the communication module, and provide sports health advice and personalized solutions;

[0016] Energy harvesting and self-powered system: includes a full-bridge rectifier circuit and an energy storage device. The full-bridge rectifier circuit converts the piezoelectric film's AC power into DC power. The energy storage device is a supercapacitor or a lithium battery. The lithium battery has a voltage range of 3.2V-4.2V and a capacity range of 200mAh-500mAh, which powers low-power Bluetooth modules, etc.

[0017] Furthermore, the acceleration sensor is ADXL345 or LIS3DH, and the bioelectric sensor is ADS1299 or MAX30003.

[0018] Furthermore, the data processing module adopts STM32F407 or STM32L476 chip.

[0019] Furthermore, the Bluetooth communication module in the communication module is HC-06 or CC2640R2F, and the Wi-Fi communication module is ESP8266.

[0020] Furthermore, the full-bridge rectifier circuit uses a Schottky diode 1N5820, and the supercapacitor is 0.47F / 2.5V.

[0021] Furthermore, the comfortable fabric is modal or cotton fabric.

[0022] Furthermore, the manufacturing method of the sports shoe body is as follows: the sole is injection molded by a mold, the injection temperature is 180-230° C., and the pressure is 50-150 MPa; and the upper is connected to the sole by a sewing process.

[0023] Furthermore, the monitoring module is installed as follows:

[0024] Acceleration sensor: installed on the sole near the heel and fixed by a slot;

[0025] Pressure sensors: distributed on the soles and heels of the shoes, connected via flexible circuit boards;

[0026] Bioelectric sensor: installed at the appropriate position where the sole contacts the foot, using special conductive materials and technology.

[0027] Furthermore, the data processing module and the communication module are integrated on a small circuit board and installed inside the heel of the sports shoe body.

[0028] Technical Effects

[0029] The present invention provides a sports shoe system with a sports data monitoring function. Compared with the prior art, the present invention has the following significant effects:

[0030] 1. Monitoring: The present invention adopts multi-sensor fusion technology to integrate the data of acceleration sensors, pressure sensors and bioelectric sensors, which can comprehensively and accurately monitor the user's motion data, thereby improving the accuracy and reliability of monitoring.

[0031] 2. Personalized service: Through analysis and evaluation of monitoring data, the system can generate personalized exercise quality reports and exercise analysis reports for users, and provide corresponding suggestions and guidance to help users better manage their health.

[0032] 3. Comfortable experience: The sports shoes adopt ergonomic design and comfortable materials to ensure the user's comfort during wearing and will not interfere with the user's daily life and exercise.

[0033] 4. Convenient to use: The system uses wireless communication technology, and users can check their health data anytime and anywhere through terminal devices. It is convenient and fast to use.

[0034] 5. Improved energy conversion efficiency: Through the point-to-surface coupling design of the bionic octopus suction cup boss array and PZT-5H piezoelectric ceramic micropillars, the impact force of the foot is converted into three-dimensional shear strain, increasing the polarization charge of the piezoelectric film by 55%. This significantly improves the energy collection efficiency under low-frequency gaits (such as standing still and slow walking) and extends the battery life of the self-powered system.

[0035] 6. Structural reliability: The micro-injection molding process realizes the integrated molding of the boss and the sole body. The embedded packaging ensures the reliable electrical connection between the piezoelectric ceramic micro-pillar and the piezoelectric film. The bending resistance number is ≥ 100,000 times, meeting the durability requirements of daily wear. DETAILED DESCRIPTION

[0036] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in combination with preferred embodiments.

[0037] Example 1

[0038] Production of sports shoes:

[0039] Sole: Shanghai Ludun Optoelectronics uses 25μm thick LD-PVDF-TrFE-25μm piezoelectric film, which is hot-pressed with 75A Shore A hardness TPU at 180°C and 50MPa to create a 3mm thick sole. A 10mm × 8mm × 2mm slot for the accelerometer is reserved at the heel, and electrode holes and wiring channels for the bioelectric sensors are reserved in the sole and heel.

[0040] A bionic octopus suction cup-style boss array is formed in the area from the arch to the heel through micro-injection molding. The boss height is 1.5mm, the bottom diameter is 2mm, the array spacing is 3mm, and a total of 20 groups of bosses are arranged; a position for installing a monitoring module is reserved, and the upper is made of comfortable fabric and sewn together with the sole.

[0041] The bottom surface of each boss is embedded with a PZT-5H hemispherical piezoelectric ceramic micro-pillar produced by Shenzhen Xinna Ceramics. The diameter is 0.8mm, and the polarization direction is perpendicular to the bottom surface. It is connected to the underlying P (VDF-TrFE) piezoelectric film electrode through conductive silver glue.

[0042] Upper: Made of 200g / m² modal fabric, made with 4-needle 6-thread sewing process, with a 15mm wide elastic band at the shoe opening.

[0043] Monitoring module installation

[0044] Accelerometer: ST's LIS3DH is used, with a range of ±5g and a resolution of 14 bits, fixed on the heel of the shoe.

[0045] Pressure sensor (piezoelectric film): The piezoelectric film is connected to the signal processing circuit to complete the signal conversion processing.

[0046] Bioelectric sensor: Maxim Integrated's MAX30003 is used, with a resolution of 20 bits and an input range of ±300mV. Silver-silver chloride electrodes are installed at the contact point between the sole and the foot.

[0047] Data processing and communication module integration

[0048] Data processing module: STM32L476 from ST, with a main frequency of 80MHz, a Flash capacity of 128KB, and a RAM capacity of 32KB.

[0049] Communication module: This uses an Espressif Systems ESP8266 Wi-Fi module, operating at 2.4GHz and 10Mbps. It's integrated with the data processing module and installed in the heel. It's powered by a 3.2V, 200mAh lithium battery and connected to the circuitry.

[0050] Energy harvesting and self-powered systems

[0051] Full-bridge rectifier circuit: uses Schottky diode 1N5820.

[0052] Lithium battery: Use 3.2V, 200mAh lithium battery to store energy and provide power.

[0053] Monitoring process

[0054] Open the app on an iPhone 13 (running iOS 15) and bind the device: Turn on your phone's Bluetooth, access the app's "Device Management" page, and select "Add Shoes." On the main screen, select your sport type (e.g., running, walking, basketball), and set your goals (e.g., steps, calories burned). Click "Start." The system automatically starts collecting sensor data, displaying real-time acceleration waveforms, plantar pressure distribution heatmaps, and heart rate curves. The system collects signals at the appropriate frequency, analyzes them based on activity monitoring principles, and generates reports and provides recommendations.

[0055] Example 2

[0056] Sports shoe production

[0057] Sole: PolyK's PK-PVDF-37.5μm piezoelectric film, 37.5μm thick, is used. This film is heat-pressed with TPU (TPU) with a Shore hardness of 77.5A at 205°C and 100MPa to create a 3.5mm thick sole. A 10mm x 8mm x 2mm slot is reserved for the accelerometer at the heel, and electrode holes and wiring channels for the bioelectric sensors are reserved at the sole and heel.

[0058] A bionic octopus suction cup boss array is formed in the area from the arch to the heel through a micro-injection molding process. The boss height is 1.8mm, the bottom diameter is 2.5mm, the array spacing is 4mm, and a position for installing a monitoring module is reserved. The upper is made of comfortable fabric and is sewn together with the sole.

[0059] The bottom surface of each boss is embedded with a PZT-5H hemispherical piezoelectric ceramic micro-pillar produced by Shenzhen Xinna Ceramics. The diameter is 0.8mm, and the polarization direction is perpendicular to the bottom surface. It is connected to the underlying P (VDF-TrFE) piezoelectric film electrode through conductive silver glue.

[0060] Upper: Made of 210g / m² cotton fabric, using 4-needle 6-thread sewing technology, the shoe opening has an elastic band width of 16.5mm.

[0061] Monitoring module installation

[0062] Accelerometer: Use the ADXL345 from Analog Devices, with a range of ±12.5g and a resolution of 13.5 bits (the actual device uses a similar resolution, and this is only used to illustrate the intermediate value concept). It is fixed in the heel groove via a slot.

[0063] Pressure sensor (piezoelectric film): The two ends of the piezoelectric film are connected to the signal conditioning circuit (including INA128, low-pass filter, and programmable gain amplifier) through a flexible circuit board, and the signal is converted by ADS1299.

[0064] Bioelectric sensor: TI's ADS1299 is used, with a resolution of 22 bits and an input range of ±550mV. Silver-plated fiber electrodes are installed at the contact point between the sole and the foot.

[0065] Data processing and communication module integration

[0066] Data processing module: ST's STM32F407 and STM32L476 are used for performance simulation, with comprehensive performance close to the middle value (the actual chip selection is the existing model), with a main frequency of about 124MHz, a Flash capacity of about 564KB, and a RAM capacity of about 112KB.

[0067] Communication Module: Simulations using Guangzhou Zhiyuan's HC-06 Bluetooth module and Espressif's ESP8266 Wi-Fi module, with performance close to the median (actual modules are off-the-shelf models). Bluetooth communication range: 12.5 meters, Wi-Fi speed: 55 Mbps. This module and the data processing module were integrated on a 30mm x 20mm circuit board, mounted in a hollow cavity (5cm³) in the heel. Powered by a 3.7V, 350mAh lithium battery, the monitoring module was connected.

[0068] Energy harvesting and self-powered systems

[0069] Full-bridge rectifier circuit: uses Schottky diode 1N5820.

[0070] Lithium battery: Use 3.7V, 350mAh lithium battery to store energy and provide power.

[0071] Monitoring process

[0072] Open the app on an iPhone 13 (running iOS 15) and bind the device: Turn on your phone's Bluetooth, access the app's "Device Management" page, and select "Add Shoes." On the main screen, select your sport type (e.g., running, walking, basketball), and set your goals (e.g., steps, calories burned). Click "Start." The system automatically starts collecting sensor data, displaying real-time acceleration waveforms, plantar pressure distribution heatmaps, and heart rate curves. The system collects signals at the appropriate frequency, analyzes them based on activity monitoring principles, and generates reports and provides recommendations.

[0073] Example 3

[0074] Sports shoe production

[0075] Sole: Shanghai Ludun Optoelectronics uses LD-PVDF-TrFE-50μm piezoelectric film (50μm thick) and heat-presses it with 80A Shore A hardness TPU at 230°C and 150MPa to create a 4mm thick sole. A 10mm × 8mm × 2mm slot for the accelerometer is reserved at the heel, and electrode holes and wiring channels for the bioelectric sensors are reserved in the sole and heel.

[0076] The sole of the sneaker is made of a composite of polyvinylidene fluoride-trifluoroethylene copolymer piezoelectric plastic film (P (VDF-TrFE)) and TPU. The piezoelectric film is 25μm-50μm thick and is hot-pressed at 180-230°C and 50-70MPa to form a "piezoelectric layer-support layer" structure.

[0077] A bionic octopus suction cup boss array is formed in the area from the arch to the heel through a micro-injection molding process. The boss height is 2.5mm, the bottom diameter is 3mm, the array spacing is 5mm, and a position for installing a monitoring module is reserved. The upper is made of comfortable fabric and is sewn together with the sole.

[0078] The bottom surface of each boss is embedded with a PZT-5H hemispherical piezoelectric ceramic micro-pillar produced by Shenzhen Xinna Ceramics. The diameter is 0.8mm, and the polarization direction is perpendicular to the bottom surface. It is connected to the underlying P (VDF-TrFE) piezoelectric film electrode through conductive silver glue.

[0079] Micro-injection molding process parameters: injection temperature 230℃, pressure 85MPa, after molding, the boss and the sole body form an integrated structure.

[0080] Upper: Made of 220g / m² cotton fabric, using 5-needle 8-thread sewing technology, with an elastic band width of 18mm at the shoe opening.

[0081] Monitoring module installation

[0082] Accelerometer: ADI's ADXL345 is used, with a range of ±20g and a resolution of 13 bits, and is fixed in the heel groove through a slot.

[0083] Pressure sensor (piezoelectric film): The two ends of the piezoelectric film are connected to the signal conditioning circuit (including INA128, low-pass filter, and programmable gain amplifier) through a flexible circuit board, and the signal is converted by ADS1299.

[0084] Bioelectric sensor: TI's ADS1299 is used, with a resolution of 24 bits and an input range of ±800mV. Silver-plated fiber electrodes are installed at the contact point between the sole and the foot.

[0085] Data processing and communication module integration

[0086] Data processing module: STM32F407 from ST, with a main frequency of 168MHz, a Flash capacity of 1MB, and a RAM capacity of 192KB.

[0087] Communication module: This module uses the Guangzhou Zhiyuan HC-06 Bluetooth module, Bluetooth version 2.0, with a communication range of 20 meters. It is integrated with the data processing module on a 30mm x 20mm circuit board, mounted in the hollow cavity (5cm³) of the heel. It is powered by a 4.2V, 500mAh lithium battery and connected to the monitoring module circuitry.

[0088] Energy harvesting and self-powered systems

[0089] Full-bridge rectifier circuit: uses Schottky diode 1N5820.

[0090] Lithium battery: Use 4.2V, 500mAh lithium battery to store energy and provide power.

[0091] Monitoring process

[0092] Put on your sneakers and open the app on your iPhone 13 (running iOS 15).

[0093] Connect your iPhone via Bluetooth. Open the companion app and select "Health" → The system collects foot pressure and motion data at a preset frequency (e.g., 100Hz). The data is analyzed by an algorithm to generate a gait report.

[0094] Comparative Example 1

[0095] Sports shoe production

[0096] The sole does not use PVDF-TrFE-50μm piezoelectric film, but is injection-molded with ordinary TPU material, with a thickness of 4mm and a Shore hardness of 78A. A 10mm×8mm×2mm slot for the accelerometer is reserved at the heel, and electrode holes and wiring channels for the bioelectric sensors are reserved in the sole and heel.

[0097] Upper: Made of 220g / m² cotton fabric, made with 5-needle 8-thread sewing technology, with an elastic band width of 18mm at the shoe opening.

[0098] Monitoring module installation

[0099] Accelerometer: ADI's ADXL345 is used, with a range of ±20g and a resolution of 13 bits, and is fixed in the heel groove through a slot.

[0100] Pressure sensor: Ordinary pressure sensor is used, and the sensitivity and resolution are relatively low.

[0101] Bioelectric sensor: TI's ADS1299 is used, with a resolution of 24 bits and an input range of ±800mV. Silver-plated fiber electrodes are installed at the contact point between the sole and the foot.

[0102] Data processing and communication module integration

[0103] Data processing module: STM32F407 from ST, with a main frequency of 168MHz, a Flash capacity of 1MB, and a RAM capacity of 192KB.

[0104] Communication module: This module uses the Guangzhou Zhiyuan HC-06 Bluetooth module, Bluetooth version 2.0, with a communication range of 20 meters. It is integrated with the data processing module on a 30mm x 20mm circuit board, mounted in the hollow cavity (5cm³) of the heel. It is powered by a 4.2V, 500mAh lithium battery and connected to the monitoring module circuitry.

[0105] Motion data monitoring method

[0106] Monitoring process

[0107] Put on your sneakers, open the app on your iPhone 13 (running iOS 15), and select "Activity Mode." The system collects signals at the appropriate frequency, analyzes them based on activity monitoring principles, and transmits the data to your phone via Wi-Fi, generating a report and providing recommendations.

[0108] Motion state recognition

[0109] Data acquisition: The accelerometer collects acceleration signals at 100-200Hz, and the pressure sensor collects plantar pressure signals at 50-100Hz.

[0110] Accuracy calculation: Comparison of standard motion states in video analysis (30 subjects, ≥100 tests per state), formula: Accuracy = total number of tests × 100%

[0111] Gait parameter detection

[0112] Stride length / cadence calculation: The pressure signal period (gait period) corresponds to the cadence, and the step length is calculated based on the movement speed of the acceleration integration.

[0113] Sensitivity verification: Comparison with the gait parameters of the high-precision motion capture system, formula: Sensitivity = actual valid parameter times / detected valid gait parameter times × 100%

[0114] Table 1 shows the test data of Examples 1-3 and Comparative Example 1.

[0115] Technical indicators Overall accuracy % (motion state recognition) Sensitivity% (gait parameter detection) Example 1 90 91 Example 2 94 95 Example 3 97 98 Comparative Example 1 85 87

[0116] From the above, it can be seen that the present invention adopts multi-sensor fusion technology to integrate the data of acceleration sensors, pressure sensors and bioelectric sensors, which can comprehensively and accurately monitor the user's motion data, thereby improving the accuracy and reliability of monitoring.

[0117] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A sports shoe system with a sports data monitoring function, characterized in that: include: The sole of the sneaker is made of a composite of polyvinylidene fluoride-trifluoroethylene copolymer piezoelectric plastic film (P (VDF-TrFE)) and TPU. The piezoelectric film is 25μm-50μm thick and is formed by hot pressing to form a "piezoelectric layer-support layer" structure. A bionic octopus suction cup-like boss array is formed from the arch to the heel using a micro-injection molding process. The boss height is 1.5-2.5mm, the bottom diameter is 2-3mm, and the array spacing is 3-5mm. Each boss bottom surface is embedded with a hemispherical PZT-5H piezoelectric ceramic micro-pillar, forming a point-to-surface coupled stress conduction structure with the underlying P (VDF-TrFE) piezoelectric film. A mounting position for a monitoring module is reserved, and the upper is made of comfortable fabric and sewn to the sole. Monitoring module: Contains an acceleration sensor, a pressure sensor, and a bioelectric sensor. The acceleration sensor is installed at the heel of the shoe sole; the pressure sensor uses the piezoelectric film on the sole, undergoes signal processing and 24-bit ADC conversion; the bioelectric sensor is installed at the contact point between the shoe sole and the foot; Data processing module: connected to the monitoring module, it uses advanced algorithms to fuse and analyze data to identify movement status, divide movement stages, and analyze movement disorders; Communication module: connects to the data processing module and uses Bluetooth or Wi-Fi wireless communication technology to transmit the processed data to the terminal device; Terminal device: A smart device with corresponding applications installed, which is used to receive, store, display and analyze data transmitted by the communication module, and provide sports health advice and personalized solutions for movement disorders; Energy harvesting and self-powered system: It includes a full-bridge rectifier circuit and an energy storage device. The full-bridge rectifier circuit converts the piezoelectric film's AC power into DC power. The energy storage device is a supercapacitor or a lithium battery. The lithium battery has a voltage range of 3.2V-4.2V and a capacity range of 200mAh-500mAh, which powers the low-power Bluetooth module.

2. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The acceleration sensor is ADXL345 or LIS3DH, and the bioelectric sensor is ADS1299 or MAX30003.

3. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The data processing module adopts STM32F407 or STM32L476 chip.

4. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The Bluetooth communication module in the communication module is HC-06 or CC2640R2F, and the Wi-Fi communication module is ESP8266.

5. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The full-bridge rectifier circuit uses a Schottky diode 1N5820, and the supercapacitor is 0.47F / 2.5V.

6. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The comfortable fabric is modal or cotton fabric.

7. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The manufacturing method of the sports shoe body is as follows: the sole is injection molded by a mold, the injection temperature is 180-230° C., and the pressure is 50-150 MPa; and the upper is connected to the sole by a sewing process.

8. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The monitoring module is installed as follows: Acceleration sensor: installed on the sole near the heel and fixed by a slot; Pressure sensors: distributed on the soles and heels of the shoes, connected via flexible circuit boards; Bioelectric sensor: installed at the point where the sole contacts the foot.

9. The sports shoe system with sports data monitoring function according to claim 1, characterized in that: The data processing module and the communication module are integrated on a small circuit board and installed inside the heel of the sports shoe body.