CN211534428U - Wearable sole physiological information acquisition hardware system - Google Patents
Wearable sole physiological information acquisition hardware system Download PDFInfo
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- CN211534428U CN211534428U CN201921744841.8U CN201921744841U CN211534428U CN 211534428 U CN211534428 U CN 211534428U CN 201921744841 U CN201921744841 U CN 201921744841U CN 211534428 U CN211534428 U CN 211534428U
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Abstract
The utility model discloses a wearable sole physiological information acquisition hardware system. The system comprises a power supply unit, an information acquisition unit, a control unit, a wireless transmission unit and a wearable carrier. The utility model has the advantages of reasonable design, but physiological information such as sole temperature, humidity, rhythm of the heart, blood oxygen concentration and plantar pressure, sole gesture are gathered in real time, make the tester know the physiological status and the gait condition of self. By integrating gait and physiological information, the system can more comprehensively and intuitively reflect the actual behaviors of the testers and the relation between the physiological state, the psychological state and the actual behaviors, so that the data source of the wearable device for identifying the body state is increased, and the practicability of the wearable device is improved. The utility model has the advantages of simple structure, part are with low costs, low-power consumption, easy operation, and its wearable, miniaturization accord with humanized design.
Description
Technical Field
The utility model relates to a wearable equipment field, concretely relates to wearable sole physiological information gathers hardware system.
Background
Since 1997 the first international wearable computer science conference, smart wear has begun to receive worldwide attention and has become more widespread in recent years. Meanwhile, researches show that the gait is in certain connection with physiological and psychological states, and the physiological information of the soles can reflect the characteristics of certain diseases. Under the background that people pay more and more attention to health care, the healthy intelligent wearable equipment is in urgent need of further development. Although, many sports product companies have also developed intelligent running shoes that can collect runner sports data and analyze gait to provide professional guidance to runners (zhenski. internet of things based intelligent running shoe design [ J ] information and computer (theoretical edition), 2018 (11): 112-. However, the ability to collect motion data and know gait is not so valuable to the average tester and does not capture more information about itself. In addition, wearable technology (summer valuable, sun Shaming, Pengwei, Wuming longevity, Zheng Zhao Yueyeng, Wangli Liang Tang, teenager fitness test system [ J ] electronic measurement technology, 2019,42(15): 42-48.) based on multi-sensor fusion is not widely used in multi-sensor fusion, and currently, no good underfoot physiological information acquisition product exists.
SUMMERY OF THE UTILITY MODEL
Improve the information practicality in order to use gait and physiology information comprehensively, the utility model discloses a wearing formula sole physiology information acquisition hardware system, the system includes power supply unit, information acquisition unit, the control unit, wireless transmission unit and system carrier. The utility model discloses but physiological information such as real-time acquisition plantar temperature, humidity, rhythm of the heart, blood oxygen concentration and gait information such as plantar pressure, sole gesture make the tester know the physiological conditions and the gait condition of self. By integrating the gait and the physiological information, the system can more comprehensively and intuitively reflect the actual behaviors of the testers and the relation between the physiological state, the psychological state and the actual behaviors, and the accuracy of the wearable device in recognizing the body state is improved. The utility model discloses a collection, analytical method low cost, low-power consumption, easy operation, its wearable, miniaturization accord with humanized design, and the system wholly satisfies intelligent design requirement.
The purpose of the utility model is realized through one of following technical scheme at least.
A wearable plantar physiological information acquisition hardware system comprises a power supply unit, an information acquisition unit, a control unit, a wireless transmission unit and a system carrier; under the energy supply of the power supply unit, the control unit receives the information on the system carrier acquired by the information acquisition unit and sends the information to the upper application unit for processing, analysis and display in a wireless transmission mode through the wireless transmission unit.
Furthermore, the power supply unit is respectively connected with the information acquisition unit, the wireless transmission unit and the control unit and supplies power to the information acquisition unit, the wireless transmission unit and the control unit; the power supply unit comprises a rectifier, a voltage stabilizer, a battery, a charging management chip and a battery electricity meter; the rectifier, the voltage stabilizer and the charging management chip are connected through a circuit to realize electric quantity input; during charging, the rectifier and the voltage stabilizer rectify the charging current and stabilize the voltage of the charging current to a voltage value required by a system; the charging management chip is used for controlling the magnitude of the charging current according to the actual state of the battery so as to keep the optimal performance of the battery; the battery, the battery electricity meter and the voltage stabilizer are connected through a circuit to realize electricity output; the battery fuel gauge is used for measuring the electric quantity of the battery so as to monitor the actual state of the battery in real time.
Furthermore, the information acquisition unit comprises a signal conditioning circuit, a pressure sensor, a temperature sensor, a humidity sensor, a heart rate and blood oxygen sensor and an inertial sensor; the signal conditioning circuit comprises a signal amplifier and a filter circuit; the pressure sensor generates corresponding electric signal change according to the pressure change on the sensor, and finally the electric signal change is converted into a digital signal through an analog-to-digital conversion function in the control unit; the temperature sensor outputs digital signals corresponding to the temperature according to the temperature in the system carrier and sends the digital signals to the control unit in a bus communication mode; the humidity sensor outputs a digital signal corresponding to the humidity according to the humidity in the system carrier and sends the digital signal to the control unit in a bus communication mode; the heart rate blood oxygen sensor generates corresponding electric signal difference according to the blood vessel change of the measured area, and the corresponding electric signal difference is finally processed into a digital signal which is sent to the control unit through the IIC bus; the inertial sensor generates corresponding electric signals according to the difference of the acceleration, and the electric signals are finally processed into digital signals and sent to the control unit in a serial port mode; wherein, the signal conditioning circuit is used for amplifying and filtering the signal of the pressure sensor.
Furthermore, the control unit comprises a main control chip, a crystal oscillator circuit, a wake-up circuit and a reset circuit; the main control chip is respectively connected with the crystal oscillator circuit, the wake-up circuit and the reset circuit through pins so as to realize the control function; the wake-up circuit is used for realizing the function of manually waking up the system; the crystal oscillator circuit is used for providing system time; the main control chip is used for running a program, sending a corresponding instruction and storing the acquired information into an internal register; the reset circuit is used for re-running the program when the system has operation failure; after the control unit receives the physiological information and the gait information sent by each sensor in the information acquisition unit in real time, check codes are added before and after the information, the information is classified and sorted, and the processed information is sent to the wireless transmission unit.
Further, the wireless transmission unit comprises a transmission control chip and an antenna; the transmission control chip packs the data to be transmitted and transmits the data in a time-sharing manner; the wireless transmission unit is connected with the control unit through a serial port and receives information sent by the control unit; the wireless transmission unit is connected with the upper application unit by wireless communication by using an antenna and transmits the information received from the control unit to the upper application unit.
Further, the upper application unit comprises an upper computer; the upper computer is a smart phone or an electronic computer with a wireless transmission function; the upper application unit draws a sole stress distribution diagram according to sole pressure information acquired by the pressure sensor, and intuitively reflects the sole stress condition; according to the information of the inertial sensor, giving a real-time attitude angle of the sole and reflecting the posture of the sole in real time through a three-dimensional model; the gait information of the tester is accurately reflected by comprehensively processing the plantar pressure information and the sole posture information;
the upper application unit directly reflects the physiological information of the tester according to the information collected by the temperature sensor, the humidity sensor and the heart rate blood oxygen sensor, wherein the physiological information comprises sole temperature, sole humidity, heart rate and blood oxygen concentration; and reflecting the basic physiological state of the testee in real time according to the physiological information of the testee.
Further, the control unit has the functions of entering a low power consumption mode and a monitoring mode; after the control unit enters a monitoring mode, selectively collecting sole temperature, sole humidity, heart rate blood oxygen and sole pressure information; after the control unit enters the low power consumption mode, all the acquisition functions are stopped and the control unit waits for awakening, so that the actual power consumption of the system is reduced.
Furthermore, the system carrier is an insole or a shoe, and the power supply unit, the information acquisition unit, the control unit and the wireless transmission unit are embedded into the carrier.
Compared with the prior art, the utility model has the advantages of as follows and technological effect:
the utility model discloses simple structure, design and rationally distributed, hardware system has wearable nature, has realized convenient, in real time with low cost, convenient simple mode collection plantar pressure, gesture and physiological information. The collected information can be sent to an application unit such as a smart phone or an electronic computer. By integrating the gait and the physiological information, the system can more comprehensively and intuitively reflect the actual behaviors of the user and the relation between the physiological state, the psychological state and the actual behaviors, and the accuracy of the wearable device in recognizing the body state is improved.
Drawings
Fig. 1 is a schematic view of the structural arrangement of a wearable plantar physiological information acquisition hardware system in an embodiment of the present invention.
Fig. 2 is a schematic diagram of the system work flow in the embodiment of the present invention.
Fig. 3 is a block diagram of a wearable plantar physiological information acquisition hardware system unit structure in an embodiment of the present invention.
Fig. 4 is an application analysis page in an embodiment of the present invention.
Fig. 5 is a schematic block diagram of a wearable plantar physiological information acquisition hardware system circuit connection according to an embodiment of the present invention.
Fig. 1 includes: the system comprises a system carrier 1, a heart rate blood oxygen sensor 2, a third pressure sensor 3, a polarity reversal power converter 4, an inverting operational amplifier 6, a pressure signal processing module 5, a system main body 7, a battery 9, a wake-up button 10, a charging management chip 11, an electricity meter 12, a charging interface 14, a rectifying chip 15, a voltage stabilizing chip 16, a fourth pressure sensor 17, a reset button 18, a starting mode controller interface 19, a heart rate blood oxygen sensor, a pressure signal, an expansion interface 20, a main control chip 21, a system time crystal oscillator generator 22, a real clock crystal oscillator generator 23, an inertial sensor 24, a heart rate blood oxygen sensor interface 25, a temperature sensor 26, a humidity sensor 27, a first pressure sensor 28 and a second pressure sensor 29.
Detailed Description
The present invention will be further described with reference to specific embodiments and drawings, it should be noted that the key to the present invention is the technical solution proposed for the hardware structure and layout, and the following software or program parts, if any, related to the application can be implemented by those skilled in the art according to the specific situation and the prior art.
Example (b):
as shown in fig. 3, a wearable plantar physiological information acquisition hardware system includes a power supply unit, an information acquisition unit, a control unit, a wireless transmission unit and a system carrier; under the energy supply of the power supply unit, the control unit receives the information on the system carrier acquired by the information acquisition unit and sends the information to the upper application unit for processing and analysis in a wireless transmission mode through the wireless transmission unit, so that a tester can intuitively know the gait information, the physiological information, the relation between the gait and the psychology and the physiology and the physical state of the tester in real time.
The power supply unit is respectively connected with the information acquisition unit, the wireless transmission unit and the control unit and supplies power to the information acquisition unit, the wireless transmission unit and the control unit; the power supply unit comprises a rectifier, a voltage stabilizer, a battery, a charging management chip and a battery electricity meter; the rectifier, the voltage stabilizer and the charging management chip are connected through a circuit to realize electric quantity input; during charging, the rectifier and the voltage stabilizer rectify the charging current and stabilize the voltage of the charging current to a voltage value required by a system; the charging management chip is used for controlling the magnitude of the charging current according to the actual state of the battery so as to keep the optimal performance of the battery; the battery, the battery electricity meter and the voltage stabilizer are connected through a circuit to realize electricity output; the battery fuel gauge is used for measuring the electric quantity of the battery so as to monitor the actual state of the battery in real time.
The information acquisition unit comprises a signal conditioning circuit, a pressure sensor, a temperature sensor, a humidity sensor, a heart rate and blood oxygen sensor and an inertial sensor; the signal conditioning circuit comprises a signal amplifier and a filter circuit; the pressure sensor generates corresponding electric signal change according to the pressure change on the sensor, and finally the electric signal change is converted into a digital signal through an analog-to-digital conversion function in the control unit; the temperature sensor outputs a digital signal corresponding to the temperature according to the temperature in the system carrier and sends the digital signal to the control unit in a single bus mode; the humidity sensor outputs a digital signal corresponding to the humidity according to the humidity in the system carrier and sends the digital signal to the control unit in a single bus mode; the heart rate blood oxygen sensor generates corresponding electric signal difference according to the blood vessel change of the measured area, and the corresponding electric signal difference is finally processed into a digital signal which is sent to the control unit through the IIC bus; the inertial sensor generates relative electric signals according to the difference of the acceleration, and the relative electric signals are finally processed into digital signals and sent to the control unit in a serial port mode; wherein, the signal conditioning circuit is used for amplifying and filtering the signal of the pressure sensor.
The control unit comprises a main control chip, a crystal oscillator circuit, a wake-up circuit and a reset circuit; the main control chip can be an STM32 series chip, and the chip can be respectively connected with the crystal oscillator circuit, the wake-up circuit and the reset circuit through pins to achieve the control function; the wake-up circuit is used for realizing the function of manually waking up the system; the crystal oscillator circuit is used for providing system time; the main control chip is used for running a program, sending a corresponding instruction and storing the acquired information into an internal register; the reset circuit is used for re-running the program when the system has operation failure; after the control unit receives the physiological information and the gait information sent by each sensor in the information acquisition unit in real time, check codes are added before and after the information, the information is classified and sorted, and the processed information is sent to the wireless transmission unit.
The wireless transmission unit can be a Bluetooth transmission module with the model number of HC-02, and comprises a transmission control chip, an antenna and other elements; the wireless transmission unit is connected with the control unit through a serial port and receives information sent by the control unit; the wireless transmission unit is connected with the upper application unit by wireless communication by using an antenna and transmits the information received from the control unit to the upper application unit.
As an example, the upper application unit includes an upper computer; the upper computer is a smart phone or an electronic computer with a wireless transmission function; the upper application unit reads and processes the information sent by the wireless transmission unit, wherein the interface of the processing software comprises: welcome use page, tester basic information page, analysis page, system control page and system setting page; the upper application unit intuitively reflects the physiological information and the gait information of the pelma of the tester in real time and intuitively reflects the relationship between the physiological information and the psychological information and the gait; the upper application unit sends the information of the testers to the server for storage so as to analyze the data and realize the datamation of the physical state.
The upper computer draws a sole stress distribution diagram according to sole pressure information acquired by the pressure sensor, and intuitively reflects the sole stress condition; according to the information of the inertial sensor, giving a real-time attitude angle of the sole and reflecting the posture of the sole in real time through a three-dimensional model; the gait information of the tester is accurately reflected by comprehensively processing the plantar pressure information and the sole posture information; the upper computer directly reflects the physiological information of the testee, including the sole temperature, the sole humidity, the heart rate and the blood oxygen concentration, according to the information acquired by the temperature sensor, the humidity sensor and the heart rate and blood oxygen sensor; reflecting the basic physiological state of the tester in real time according to the physiological information of the tester; the upper computer deeply and more accurately reflects the potential physical condition of the tester according to the gait information and the physiological information of the tester.
The control unit has the functions of entering a low power consumption mode and a monitoring mode; after the control unit enters a monitoring mode, the control unit can selectively collect sole temperature, sole humidity, heart rate blood oxygen and sole pressure information; after the control unit enters the low power consumption mode, all the acquisition functions are stopped and the control unit waits for awakening, so that the actual power consumption of the system is reduced.
As shown in fig. 1, in this embodiment, a rectifying chip 15, a voltage stabilizing chip 16, a charging management chip 11, and a battery fuel gauge 12 are connected according to the schematic block diagram of fig. 1 and the schematic block diagram of circuit connection of fig. 5, an outgoing fuel data interface is connected with an expansion interface 20 of a main control chip, each power supply interface of a system is connected with the fuel gauge, and a charging interface 14 is connected with an external charging socket, so as to form a power module 13, i.e., a power supply unit. In this embodiment, the rectifier chip 15 and the voltage regulator chip 16 implement functions of a rectifier and a voltage regulator through their configuration circuits.
As shown in fig. 1, in the present embodiment, the pressure sensors include a first pressure sensor 28, a second pressure sensor 29, a third pressure sensor 3, and a fourth pressure sensor 17.
As shown in fig. 1, in this embodiment, a polarity-inverting power converter 4 and an inverting operational amplifier 6 are connected according to the schematic block diagram of fig. 1 and the schematic block diagram of fig. 5, and a pressure sensor interface is led out to be connected to a pressure sensor, so as to form a pressure signal processing module 5. The other interface of the pressure sensor is connected with the pin of the ADC of the main control chip, and the function of the signal conditioning circuit can be realized through the pressure signal processing module 5.
As shown in fig. 1, in this embodiment, a main control chip 21, a system time crystal oscillator generator 22, a real clock crystal oscillator generator 23, an inertial sensor 24, a wireless transmission module 8, a wake-up button 10, a reset button 18, a chip start mode controller interface 19, and other peripheral circuits are connected to the schematic block diagram of fig. 1 and the schematic block diagram of circuit connection of fig. 5, a heart rate blood oxygen sensor interface 25 is led out to be connected to a heart rate blood oxygen sensor, and an expansion interface 20 is connected to temperature and humidity sensors, so as to form a system main body 7.
The system time crystal oscillator generator 22 and the real clock crystal oscillator generator 23 are used for realizing the function of a crystal oscillator circuit; the wake-up button 10 and the reset button 18 realize the functions of a wake-up circuit and a reset circuit through corresponding circuits; the wireless transmission module 8 is used to implement the functions of a wireless transmission unit.
In this embodiment, the start mode controller interface 19 is used to change the start mode of the main control chip, wherein the start mode includes an operating state and a burning state. The program can be written into the chip in the burning state, and the written program can be operated in the operating state.
After the system body 7 is connected with the power supply module 13, the system body 7 and the pressure signal processing module 5 are embedded into the system carrier 1. After the first pressure sensor 28, the second pressure sensor 29, the third pressure sensor 3, the fourth pressure sensor 17, the temperature sensor 26, the humidity sensor 27 and the heart rate blood oxygen sensor 2 are respectively placed at proper positions, the system is started; as shown in fig. 2, the main control chip 21 in the control unit initializes the main control chip, the serial port, the IIC bus, the digital-to-analog converter inside the main control chip, and each sensor according to a program; after the tester selects to operate, the main control chip 21 sends an analog-to-digital conversion instruction and an acquisition instruction through a communication mode of a serial port and an IIC bus, acquires analog signals of the first pressure sensor 28, the second pressure sensor 29, the third pressure sensor 3 and the fourth pressure sensor 17, converts the analog signals into digital signals, and acquires data sent by the temperature sensor 26, the humidity sensor 27, the heart rate blood oxygen sensor 2 and the inertial sensor 27. The information is added with check codes through the main control chip 21, classified and sorted, and the processed information is sent to the wireless transmission module 8 through a serial port; the wireless transmission module 8 sends the information to the upper application unit connected with the wireless transmission module in real time; and after the tester sends an ending instruction to the master control system, the system enters a standby state.
As shown in fig. 4, the data displayed on the analysis page of the processing software includes real-time foot pressure, i.e., real-time plantar pressure information, real-time posture, i.e., real-time sole posture information, physiological information of the tester, and physiological status of the tester.
The utility model discloses a collection, analytical method low cost, low-power consumption, easy operation, its wearable, miniaturization accord with humanized design, and the system wholly satisfies intelligent requirement.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.
Claims (8)
1. A wearable plantar physiological information acquisition hardware system is characterized by comprising a power supply unit, an information acquisition unit, a control unit, a wireless transmission unit and a system carrier; under the energy supply of the power supply unit, the control unit receives the information on the system carrier acquired by the information acquisition unit and sends the information to the upper application unit for processing, analysis and display in a wireless transmission mode through the wireless transmission unit.
2. The wearable plantar physiological information acquisition hardware system according to claim 1, wherein the power supply unit is respectively connected with and supplies power to the information acquisition unit, the wireless transmission unit and the control unit; the power supply unit comprises a rectifier, a voltage stabilizer, a battery, a charging management chip and a battery electricity meter; the rectifier, the voltage stabilizer and the charging management chip are connected through a circuit to realize electric quantity input; during charging, the rectifier and the voltage stabilizer rectify the charging current and stabilize the voltage of the charging current to a voltage value required by a system; the charging management chip is used for controlling the magnitude of the charging current according to the actual state of the battery so as to keep the optimal performance of the battery; the battery, the battery electricity meter and the voltage stabilizer are connected through a circuit to realize electricity output; the battery fuel gauge is used for measuring the electric quantity of the battery so as to monitor the actual state of the battery in real time.
3. The wearable plantar physiological information acquisition hardware system according to claim 1, wherein the information acquisition unit comprises a signal conditioning circuit, a pressure sensor, a temperature sensor, a humidity sensor, a heart rate and blood oxygen sensor, and an inertial sensor; the signal conditioning circuit comprises a signal amplifier and a filter circuit; the pressure sensor generates corresponding electric signal change according to the pressure change on the sensor, and finally the electric signal change is converted into a digital signal through an analog-to-digital conversion function in the control unit; the temperature sensor outputs digital signals corresponding to the temperature according to the temperature in the system carrier and sends the digital signals to the control unit in a bus communication mode; the humidity sensor outputs a digital signal corresponding to the humidity according to the humidity in the system carrier and sends the digital signal to the control unit in a bus communication mode; the heart rate blood oxygen sensor generates corresponding electric signal difference according to the blood vessel change of the measured area, and the corresponding electric signal difference is finally processed into a digital signal which is sent to the control unit through the IIC bus; the inertial sensor generates corresponding electric signals according to the difference of the acceleration, and the electric signals are finally processed into digital signals and sent to the control unit in a serial port mode; wherein, the signal conditioning circuit is used for amplifying and filtering the signal of the pressure sensor.
4. The wearable plantar physiological information acquisition hardware system according to claim 1, wherein the control unit comprises a main control chip, a crystal oscillator circuit, a wake-up circuit and a reset circuit; the main control chip is respectively connected with the crystal oscillator circuit, the wake-up circuit and the reset circuit through pins so as to realize the control function; the wake-up circuit is used for realizing the function of manually waking up the system; the crystal oscillator circuit is used for providing system time; the main control chip is used for running a program, sending a corresponding instruction and storing the acquired information into an internal register; the reset circuit is used for re-running the program when the system has operation failure; after the control unit receives the physiological information and the gait information sent by each sensor in the information acquisition unit in real time, check codes are added before and after the information, the information is classified and sorted, and the processed information is sent to the wireless transmission unit.
5. The wearable plantar physiological information acquisition hardware system according to claim 1, wherein the wireless transmission unit comprises a transmission control chip and an antenna; the transmission control chip packs the data to be transmitted and transmits the data in a time-sharing manner; the wireless transmission unit is connected with the control unit through a serial port and receives information sent by the control unit; the wireless transmission unit is connected with the upper application unit by wireless communication by using an antenna and transmits the information received from the control unit to the upper application unit.
6. The wearable plantar physiological information acquisition hardware system according to claim 1, wherein the upper application unit comprises an upper computer; the upper computer is a smart phone or an electronic computer with a wireless transmission function.
7. The wearable plantar physiological information collection hardware system according to claim 1, wherein the control unit has functions of entering a low power consumption mode and a monitoring mode; after the control unit enters a monitoring mode, selectively collecting sole temperature, sole humidity, heart rate blood oxygen and sole pressure information; after the control unit enters the low power consumption mode, all the acquisition functions are stopped and the control unit waits for awakening, so that the actual power consumption of the system is reduced.
8. The wearable plantar physiological information collection hardware system according to claim 1, wherein the system carrier is an insole or a shoe, and the power supply unit, the information collection unit, the control unit and the wireless transmission unit are embedded into the carrier.
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| CN110638462A (en) * | 2019-10-17 | 2020-01-03 | 华南理工大学 | Wearable sole physiological information acquisition system with gait analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110638462A (en) * | 2019-10-17 | 2020-01-03 | 华南理工大学 | Wearable sole physiological information acquisition system with gait analysis |
| CN110638462B (en) * | 2019-10-17 | 2024-04-16 | 华南理工大学 | Wearable plantar physiological information acquisition system with gait analysis function |
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