CN104207409B - A kind of pressure is perceived certainly, the Intelligent insole of self power generation - Google Patents
A kind of pressure is perceived certainly, the Intelligent insole of self power generation Download PDFInfo
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- CN104207409B CN104207409B CN201410485647.8A CN201410485647A CN104207409B CN 104207409 B CN104207409 B CN 104207409B CN 201410485647 A CN201410485647 A CN 201410485647A CN 104207409 B CN104207409 B CN 104207409B
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Abstract
The invention discloses a kind of pressure from perception, the Intelligent insole of self power generation, it is made up of the part such as upper and lower insole body, insole sandwich, electric heating piece, piezoelectric stack, bluetooth module, functional select switch, treatment and control module, battery, mini USB interfaces, can be communicated with the application software on smart mobile phone by bluetooth；Present invention uses piezoelectric stack, step number that can be without external sensor with regard to the pressure of measurable foot and when calculating walking the problems such as with activity level, the walking health of monitoring user, can also produce electric energy, with spontaneous electrical function；Also there is mobile phone charging function, a small amount of electric energy can be provided for mobile phone, to tackle emergency, be particularly well-suited to the place without power supply in the wild and use；There is energy-conservation, easy to use, simple installation and low cost.
Description
Technical field
The invention belongs to intelligence wearing technical field, more particularly to a kind of pressure from perceive, the Intelligent insole of self power generation.
Background technology
With the progress and the raising of people's quality of life of modern science and technology, people start to propose our daily wearing
Requirement higher, therefore intelligently wearing quickly grows, Intelligent insole is exactly one kind therein.Yang Shen up to et al. patent it is " a kind of
Medical intelligence test adjusts the shoe-pad (No of loading weight：201010216224.8) a kind of medical intelligence test regulation " is disclosed negative
The shoe-pad of weight, it is made up of the pressure acquisition sensor being placed on inside shoe-pad and external signal processor, and the invention can be real
When detect loading weight, according to measured value adjust loading weight size, be easy to patient postoperative rehabilitation to take exercise；The patent " one of Zheng Bin et al.
Plant the Intelligent insole and method (No for determining walking step state：201310105338.9) patent " to Yang Shenda et al. is similar, and it leads to
Over-pressed force snesor can at any time determine the walking step state of user, enable people to understand the foot condition of itself in time；A Ji is certainly
Raw patent " electric heating shoe-pad (No：200620092588.9) ", patent " Multi-functional electric heating insole (No of Liu Zuxue：
201220040833.7) ", patent " electric heating shoe-pad (No of Lv Weike：200620157092.5) " and Zhou Ting patent " low tension
Hot shoe-pad (No：201320076984.2) a kind of electric heating shoe-pad for producing heat " is proposed from different angles respectively；3L
The shoe-pad that Lab is released in 2014 International CESs (CES) possesses triaxial accelerometer and eight pressure sensors, can
The problems such as monitoring activity level, the walking health of user, also supports wireless charging, about 200 dollars of its price.Above Intelligent insole
It is required to carry large-capacity battery or external power supply with existing Intelligent insole and could realizes its function, and will be in shoe-pad
The integrated various sensors in portion, this necessarily causes the security of shoe-pad to be under suspicion, and cost can be also higher.
Research shows that piezoelectric ceramics can produce electricity when being squeezed, and when periodically being extruded it, can produce same
The periodic electric signal of frequency, and power is bigger when extruding, and the amplitude of the electric signal of generation is bigger, and corresponding electric energy is also got over
It is many.Piezoelectric transducer used by a kind of Zhai Zhen bright et al. patent " shoe-pad walking input sensing device " exactly make use of piezoelectricity
The piezo-electric effect of potsherd, voltage or electric charge are converted into by stress (or strain), then the dress for being amplified and being exported by amplification
Put.Zhai Zhen is bright et al. the characteristics of make use of piezoelectric ceramics output voltage or electric charge to there is correlation with its suffered stress, but not
Refer to and the characteristics of the cycle using piezoelectric ceramics output voltage and people walking time step phase modulation are closed, you can made pottery with by measuring piezoelectricity
The periodicity of porcelain output voltage obtains the step number of people's walking indirectly, and the present invention is based on this principle to be carried out to prior art
Improve and invent, the periodicity and amplitude of electric signal produced by piezoelectric ceramics, the electricity of generation are measured by corresponding process circuit
Can also collect and be powered to process circuit.
The content of the invention
The problem and the piezo-electric effect of piezoelectric ceramics existed for existing Intelligent insole, the invention discloses a kind of pressure certainly
Perception, the Intelligent insole of self power generation.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of pressure is perceived certainly, the Intelligent insole of self power generation, including：Upper and lower insole body, insole sandwich, electric heating piece, piezoelectricity
Stack, bluetooth module, functional select switch, treatment and control module, battery, mini-USB interfaces, smart mobile phone application it is soft
Part.
The upper and lower insole body is the upper and lower surface of Intelligent insole, for protecting circuit and first device in shoe-pad
Part；Wherein upper surface contacts with the pin of people, and lower surface is contacted with soles；Two insole body edges are respectively two drawings that can be matched
Chain chain belt, can be linked together upper and lower insole body by slide fastener, and form a closing space, for placing Intelligent insole
Other parts.
The insole sandwich is an interlayer between upper insole body and lower insole body, is slightly less than upper and lower insole body,
It is positioned in the closing space that upper and lower insole body is formed；Its relevant position has been emptied, for the electricity fixed inside Intelligent insole
Road and component.
The electric heating piece is shoe-shaped low tension backing, is slightly less than insole sandwich, is placed between insole body and insole sandwich,
It is connected with treatment and control module, for being heated and warming to shoes inside.
The piezoelectric stack is the core component of this Intelligent insole, is composed in parallel by several piezoelectric ceramic pieces, is fixed on
Insole sandwich sole or heel position, for detecting foot pressure, calculating step number and providing electric energy to this Intelligent insole；Its is defeated
Go out and be divided into two-way, all the way for charging a battery, another road is used after treatment into the analog-to-digital conversion pin of microprocessor
In calculating step pressure and walking step number.
The bluetooth module is integrated small Bluetooth slave module, is connected with controller by serial communication interface, with
The Bluetooth application operated on smart mobile phone is supported the use, and is capable of achieving the communication between Intelligent insole and smart mobile phone.
The functional select switch is a rotary switch for six contact single-passes, the every work(for controlling Intelligent insole
Can, such as switch on power, be switched on or off heating function, be switched on or off Bluetooth function.
The treatment and control module include：Shaping and voltage conversion circuit, accumulator cell charging and discharging module, Voltage stabilizing module and
Microcontroller and its peripheral circuit.The shaping and voltage conversion effect are that the alternating current that piezoelectric stack is exported is converted into positive 5V
Direct current, its DC output end is connected with the power input of accumulator cell charging and discharging module, electric energy can be input into electric power storage
Pond charge-discharge modules；The accumulator cell charging and discharging module effect is that the electric energy for collecting piezoelectric stack output is used to fill battery
Electricity, while can also discharge the electric energy that internal storage battery is stored, plays a protective role to battery, can basis when such as charging
The characteristic of battery selects constant current or constant voltage mode to charge, the voltage of exportable stabilization during electric discharge, overcharges or Cross prevention etc.；Voltage stabilizing
Module effect be by the output voltage stabilization of accumulator cell charging and discharging module in the power supply voltage range of microcontroller；The micro-control
Device processed and its peripheral circuit are singlechip minimum system circuit and the interface circuit with other modules.
The battery is low capacity poly-lithium battery, and its effect is to collect the electric energy of piezoelectric stack generation and to it
Its electricity consumption part powers；Because the piezoelectric stack used by the present invention can produce electric energy when people walk, electric power storage can be at any time given
Pond is charged, so the present invention can not only so reduce cost, moreover it is possible to reduce the body of shoe-pad using the smaller battery of capacity
Product and quality, while can also improve security of system (high capacity cell is bigger in generation leakage or explosion time harm).
The mini-USB interfaces are divided into input interface and output interface, and the electric energy with accumulator cell charging and discharging module is defeated respectively
Enter end to be connected with electric energy output end；Mini-USB input interfaces can connect charger, and battery is charged from outside, mini-USB
Output interface in case of emergency can charge to mobile phone.
The smart mobile phone application software is the application program on smart mobile phone, and smart mobile phone must have bluetooth
Function could use this software；This application software is run after mobile phone and this Intelligent insole open Bluetooth function, bluetooth is completed
After pairing, Intelligent insole can be monitored by the software.
The implementation method of above-mentioned Intelligent insole, comprises the following steps：
1st, corresponding position has been emptied on insole sandwich, by piezoelectric stack, bluetooth module, functional select switch, treatment and
Control module, battery, mini-USB interfaces etc. are fixed on a corresponding position, and are attached according to method previously；
2nd, in treatment electric heating piece being connected on insole sandwich and control module, and it is laid on insole sandwich, will
Electric heating piece together with insole sandwich and its on circuit and component be put between upper and lower shoe-pad, pull on the drawing on upper and lower shoe-pad
Chain, is allowed to form a complete Intelligent insole；
3rd, Intelligent insole is placed in suitable shoes, when the user walks, shoe-pad will be jammed on, the piezoelectricity inside shoe-pad
Stack will produce with people's periodic electrical signal for acting in agreement of walking, and jam on the power of shoe-pad it is bigger when, the width of electric signal
Value will be bigger, and the electric energy of generation is also more；Process circuit inside Intelligent insole can be measured to the electric signal, be obtained
Corresponding periodicity and amplitude, and the electric energy is collected by related circuit；Microprocessor can be according to measured electricity
Signal of change goes out the step number of people's walking and the pressure of foot；
4th, can by functional select switch set Intelligent insole function, optional function have switch on power, automatically, ON/OFF
Heating, ON/OFF bluetooth, open (or close) heating and bluetooth；When automatic or heating is opened, microprocessor can be according to the temperature of setting
Start or turn off the heating function of heating plate, realize intelligent temperature control；When automatic or bluetooth is opened, can be by operating in intelligent hand
Application software on machine connects this Intelligent insole, and monitor in real time is carried out to Intelligent insole；
5th, the step number that people walk can in real time be shown by smart mobile phone application software, when setting the stroke that every step is walked
Afterwards, the distance that people pass by can be calculated；The pressure and temperature of foot when can in real time show that battery dump energy, people are walked；
Can be switched on or off heating function, and (target temperature can not be less than when not heated inside shoes to set the target temperature of heating
Temperature), microprocessor meeting monitor in real time shoe temperature, and heating is controlled, shoe temperature is maintained in target temperature range.
Advantages and positive effects of the present invention：
1st, the present invention can be without external sensor be with regard to the pressure of measurable foot and calculates the step number walked, to monitor user
Activity level, walking health the problems such as, reduce the cost of Intelligent insole；
2nd, present invention piezoelectric stack used can produce electric energy, with spontaneous electrical function, realize identical function and using same
In the case of prolonged, smaller battery can be used, so be conducive to reducing Intelligent insole volume and quality, while can solve
Safety and Cost Problems that large-capacity battery brings；
3rd, the present invention splices each structure of shoe-pad using dismountable mode, take out electric heating piece together with insole sandwich and its on
Circuit and component after, upper and lower insole body is washable, is allowed to using more hommization.
4th, after Intelligent insole is put into footwear, can be generated electricity when user normally walks, can be hand also with mobile phone charging function
Machine provides a small amount of electric energy, to tackle emergency, is particularly well-suited to the place without power supply in the wild and uses.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of Intelligent insole of the present invention；
Fig. 2 is the functional block diagram of Intelligent insole of the present invention；
Fig. 3 is each piezoelectric ceramic piece piezoelectric stack schematic diagram in parallel；
Sole piezoelectric stack output voltage curve during Fig. 4 behaviour walkings；
Fig. 5 is amplification and shaping circuit circuit diagram；
Fig. 6 is buck/boost change-over circuit circuit diagram；
Fig. 7 is accumulator cell charging and discharging module circuit diagram；
Fig. 8 is microcontroller and its peripheral circuit circuit diagram.
In Fig. 1：The upper insole bodies of 1-, 2- electric heating pieces, 3- insole sandwich, 4- piezoelectric stacks, 5- bluetooth modules, the selection of 6- functions
Switch, 7- treatment and control module, 8- low capacity batteries, 9-mini USB interfaces, insole body under 10-, 11- smart mobile phones.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not only
It is limited to this.
First, a kind of pressure of the invention is from perception, the Structure explosion diagram of self power generation Intelligent insole as shown in figure 1, functional block diagram
As shown in Fig. 2 specific implementation step is as follows：
(1) Fig. 1 is a kind of pressure of the invention from perception, the Structure explosion diagram of self power generation Intelligent insole；1 and 10 difference in figure
It is upper and lower insole body, its edge is respectively two chain belts (being not drawn into figure) of the slide fastener that can be matched, can will be upper by slide fastener
Lower insole body is joined together to form a closing space, and Intelligent insole other parts are enclosed in inside it；2 is shoe-pad in figure
Shape electric heating piece, is heated and is incubated during for needing to footwear inside, and its thermal control signals is given by microprocessor；3 is footwear in figure
Pad interlayer, for the electrical equipment and circuit board fixed inside Intelligent insole, it is emptied part and is electrical equipment and circuit board
Position；4 is piezoelectric stack in figure, for detecting foot pressure, calculating step number and providing electric energy to this Intelligent insole；In figure
5 is bluetooth module, the Bluetooth wireless communication for realizing smart mobile phone and this Intelligent insole；6 is functional select switch in figure, is
One rotary switch of six contact single-passes, for controlling on/off and partial function to select；7 is treatment and control mould in figure
Block, all components are integrated on one piece of flexible circuit board, realize the relevant treatment and control function of Intelligent insole；Figure
In 8 be low capacity battery, selected in the present embodiment be capacity be 200mA poly-lithium battery；9 is miniUSB in figure
Interface, is divided into input interface and output interface, and input interface can be used to charge battery, and output interface can fill for miscellaneous equipment
Electricity；11 is smart mobile phone in figure, and it has Bluetooth function, can run the supporting application software of the present invention.
(2) Fig. 2 is a kind of pressure of the invention from perception, the functional block diagram of self power generation Intelligent insole electric part, intelligence in figure
Expert's machine has Bluetooth function, can run this and invent supporting application software, is entered by Bluetooth wireless communication with Intelligent insole
Row data exchange；The output signal of piezoelectric stack is divided into two-way in figure, is input to all the way in shaping and voltage conversion circuit, another
Road is connected in the peripheral circuit of microprocessor, to be entered back into and carry out analog-to-digital conversion in microprocessor；Shaping and voltage turn in figure
The input for changing circuit is the wherein output signal all the way of piezoelectric stack, and output end is connected to the power supply of accumulator cell charging and discharging module
Input, the power input of accumulator cell charging and discharging module is also connected with mini-USB power input interfaces, and its inside modules connects
Low capacity lithium battery is connected to, has been connected with Voltage stabilizing module with the power output end for controlling its discharge and recharge, accumulator cell charging and discharging module
Connect, the 5V direct currents that Voltage stabilizing module outputs it are converted to the 3.3V direct currents of microprocessor needs；Functional select switch it is many
Individual output end is connected to the input interface of microprocessor；One delivery outlet of microprocessor is connected to the control of electric heating piece
End；Bluetooth module carries out data exchange with microprocessor by serial communication interface in figure.
2nd, the specific embodiment in Fig. 2 corresponding to corresponding module is as follows：
(1) piezoelectric stack structural representation is illustrated in figure 3, each piezoelectric ceramic piece is parallel with one another in figure, a, b are its telecommunications
Number output end, multiple piezoelectric ceramic piece parallel connections can increase its power output.
(2) amplification and shaping circuit are illustrated in figure 5, corresponding to shaping in Fig. 2 and the shaping unit of voltage conversion circuit,
Its effect is by the output voltage amplification twice of piezoelectric stack and is shaped as direct current, to prevent the output voltage mistake of piezoelectric stack
It is small, it is not enough to drive subsequent conditioning circuit, therefore this circuit adds additional voltage amplification link；Y1 is the piezoelectricity in Fig. 2 in figure
Stack；Signal AD_in is connected to the input of the peripheral processes circuit of microcontroller analog-to-digital conversion pin in figure, for testing
The output voltage of piezoelectric stack, to judge its peak value size and number, so as to extrapolate the pressure of foot and the step number of walking；Figure
Middle ceramic disc capacitor CL2, CL3, C3 and diode D1, D2, D3 realize amplifying and rectification function, and zener diode is used to limit output
Voltage magnitude, protects subsequent conditioning circuit, electrochemical capacitor C4 and ceramic disc capacitor C5 to be used to further filter direct current signal；Output end
Power_out is connected to the power input of the voltage conversion circuit part of shaping and voltage conversion circuit in Fig. 2.
(3) buck/boost change-over circuit is illustrated in figure 6, the voltage corresponding to shaping in Fig. 2 and voltage conversion circuit turns
Circuit part is changed, its effect is that the output voltage after amplified and shaping circuit shaping is converted into+5V DC voltages；This circuit
Core be TI companies production TPS63061 buck/boost chips, the DC voltage of 2.5V~12V can be converted to 5V's by it
DC voltage, the big influence of output voltage fluctuation is stacked to adapt to different foot pressure lower piezoelectrics；Power_out inputs in Fig. 6
End is connected to the Power_out output ends of Fig. 5 amplifications and shaping circuit；C6~C12 is ceramic disc capacitor in figure, and R1~R3 is equal
It is the fixed carbon resister of 1% precision, L1 is inductance, and their size is marked in detail in figure；+ 5V output voltages are connected to figure
The power input of accumulator cell charging and discharging module in 2.
(4) accumulator cell charging and discharging module circuit diagram is illustrated in figure 7, corresponding to the accumulator cell charging and discharging module in Fig. 2, its
Effect is the discharge and recharge for controlling lithium battery, while being protected to battery and being indicated electricity, its core is " Hua Xinbang sections of Shenzhen
The lithium cell charging managing chip HT4901 of skill Co., Ltd " production；As shown in fig. 7, HT4901 is a chip for 16 pins,
L1~L4 is battery capacity indication pin, and KEY is control end, and they have been all connected to the corresponding input port of microprocessor, for remembering
The operation of record battery electric quantity and program controling module；P1, P2 are respectively mini-USB power inputs and output interface in figure, and P1 can
Battery is charged through connecing charger, P2 can connect mobile phone, and mobile phone is filled；BT1 is polymerization that capacity is 200mAH
Thing lithium battery, triode Q2 is used to control its break-make, and the control end Battery of Q2 be connected to functional select switch one draws
Pin；+ 5V the signals of input are the output signal of buck/boost change-over circuit, and VCC is exported for the power supply of module；Other circuits are
The typical application circuit of HT4901, may refer to its technical manual.
(5) Fig. 8 is microcontroller and its peripheral circuit, and microprocessor and its peripheral circuit in Fig. 2 are actually included in figure
And Voltage stabilizing module；U4 chips in figure, model LM1117s-3.3V, it collectively forms Voltage stabilizing module with electric capacity C25~C27, its
Effect is that+the 3.3V that the power output signal of accumulator cell charging and discharging module is converted to microprocessor and its peripheral circuit powers electricity
Pressure；U3 is microcontroller of the invention, and it is enhanced 51 single-chip microcomputer of " dragon Electronics Co., Ltd. of Xinhua " production, model
C8051F350；AD_in is connected to the output signal AD_in of piezoelectric stack in Fig. 5 in figure, and the signal is by R15, R16, C23
Enter AIN0.0 the and AIN0.1 pins of single-chip microcomputer after the resistance-capacitance network constituted with C24, for carrying out analog-to-digital conversion；J2 is monolithic
The download program and debugging interface of machine；L1~L4 and KEY is connected with pin of the same name in Fig. 7；SW-6WAY is that function selection is opened
Close, each terminal has been all connected with the pull-up resistor of 10K Ω, wherein 2~No. 6 terminals have been connected to 5 inputs of single-chip microcomputer, for work(
Can select, No. 1 terminal is connected with Battery ports in Fig. 7, for Switching Power Supply, when rotary switch and 1 connection, power supply is closed
Disconnected, power supply is opened and have selected corresponding function when being connected with other ports；Q1 is triode, model SS8050, for controlling electricity
The break-make of backing, DG_GND ports are connected to electric heating piece (electric heating piece is not drawn into figure) one end, electric heating piece other end connection power supply
The control end of VCC, Q1 is connected to the output pin P0.7 of single-chip microcomputer；The respective communications port phase of RX, TX and bluetooth module in figure
Even, for realizing the radio communication with mobile phone.
3rd, step, generating and pressure from perception principle are counted:
Fig. 4 is sole piezoelectric patches output voltage curve when people walk, and it is that piezoelectric ceramic piece is placed in into sole, defeated at its
Go out an end resistance of 50K in parallel, when user walks, test the resistance two ends with oscillograph and obtain voltage curve and sectional drawing institute
；It can be seen that the output of piezoelectric ceramic piece is a cycle signal, equal generation in each of which cycle when people walk
The process that pin lands and lifts when table is walked, detects that the number of its peak point can be obtained by people institute by microprocessor
The step number of walking；Experiment jams on that power is bigger when showing that pin lands to footwear, and the peak value of piezoelectric ceramics output voltage is bigger, therefore can
Foot pressure value is calculated indirectly by measuring its peak value；Know that piezoelectric ceramics can produce electric energy when being squeezed by piezo-electric effect,
The electric energy that can be exported to it is collected utilization, to realize generating function.
4th, the implementation method of above-mentioned Intelligent insole, also comprises the following steps：
1st, sizeable Intelligent insole is put into user's footwear, the knob of functional select switch is pushed into No. 2 terminals, this
When Intelligent insole enter auto state, Bluetooth function is automatically turned on, and microcontroller C8051F350 uses its internal temperature sensor
Shoe temperature is monitored, the level to P0.0~P0.3 pins is monitored to obtain battery electric quantity, using the side of difference
Method measures the voltage difference of AIN0.0 pins and AIN0.1 pins to monitor the voltage change of piezoelectric stack, so as to calculate its output
The peak point number (peak point number is exactly the step number of walking) and amplitude (amplitude is in functional relation with step pressure) of voltage.
2nd, after completing 1 step, the Bluetooth function of smart mobile phone is first opened, then to open the monitoring mobile phone supporting with the system soft
Part；The software can complete pairing with the bluetooth module in neighbouring Intelligent insole automatically, so as to start that information in footwear is monitored；
Software interface can show in real time from Intelligent insole bluetooth module transmission come up shoe temperature, foot pressure, battery remain
The information such as remaining electricity.After opening step function, user first must set the stroke that oneself step is walked in interface relevant position, then
Software starts that step number and stroke is calculated and be shown；After opening heating function, user must first set in interface relevant position and preheat
Temperature and target temperature, pre-heating temperature are initial heating temperature, i.e., the electric heating piece conducting when shoe temperature is less than this temperature, are opened
Begin to heat；Target temperature is the target temperature of heating, temperature when target temperature cannot be below not heated in footwear；The automatic shape of system
During state, microprocessor judges whether to begin to warm up function, and the mesh for heating according to measured temperature and the design temperature of last time
Mark temperature.
3rd, when that need not heat or monitor the functions such as step data, user can by functional select switch turn off heating or
Bluetooth function is saving electricity.
4th, in case of emergency, can be charged the phone by mini-USB output interfaces, for mobile phone provides a small amount of electric energy.
Claims (4)
1. a kind of pressure from perceive, the Intelligent insole of self power generation, including：Upper insole body, lower insole body, insole sandwich, electric heating piece,
Piezoelectric stack, bluetooth module, functional select switch, treatment and control module, battery, mini-USB interfaces, smart mobile phone are answered
Use software；
The upper insole body, lower insole body are respectively the upper and lower surface of Intelligent insole, for protecting the circuit in shoe-pad
And component；Wherein upper surface contacts with the pin of people, and lower surface is contacted with soles；Two insole body edges are respectively for two can match somebody with somebody
To zip fastener, upper insole body, lower insole body can be linked together by slide fastener, and formed a closing space, be used for
Place the insole sandwich of Intelligent insole, electric heating piece, piezoelectric stack, bluetooth module, functional select switch, treatment and control module,
Battery and mini-USB interfaces；
The insole sandwich is an interlayer between upper insole body and lower insole body, less than upper insole body, lower insole body,
It is positioned in the closing space that insole body, lower insole body are formed；Its relevant position has been emptied, for fixing in Intelligent insole
The circuit and component in portion；
The electric heating piece is shoe-shaped low tension backing, less than insole sandwich, is placed between insole body and insole sandwich, with treatment
And control module is connected, for being heated and warming to shoes inside；
The piezoelectric stack is the core component of this Intelligent insole, is composed in parallel by several piezoelectric ceramic pieces, is fixed on shoe-pad
Interlayer sole or heel position, for detecting foot pressure, calculating step number and providing electric energy to this Intelligent insole；Its output point
It is two-way, all the way for charging a battery, another road enters the analog-to-digital conversion pin of microprocessor after treatment, based on
Calculate step pressure and walking step number；
The bluetooth module is integrated small Bluetooth slave module, is connected with controller by serial communication interface, with operation
Bluetooth application on smart mobile phone is supported the use, and is capable of achieving the communication between Intelligent insole and smart mobile phone；
The functional select switch is a rotary switch for six contact single-passes, the various functions for controlling Intelligent insole, bag
Include and switch on power, be switched on or off heating function, be switched on or off Bluetooth function；
The treatment and control module include：Shaping and voltage conversion circuit, accumulator cell charging and discharging module, Voltage stabilizing module and micro-control
Device processed and its peripheral circuit, the shaping and voltage conversion effect are that the alternating current that piezoelectric stack is exported is converted into the straight of positive 5V
Stream electricity, its DC output end is connected with the power input of accumulator cell charging and discharging module, electric energy can be input into battery and filled
Discharge module；The accumulator cell charging and discharging module effect is that the electric energy for collecting piezoelectric stack output is used to charge battery, together
When also can by internal storage battery store electric energy discharge, battery is played a protective role, when charging can be according to battery
Characteristic select constant current or constant voltage mode to charge, the voltage of exportable stabilization during electric discharge is overcharged or Cross prevention；Voltage stabilizing module is made
Be by the output voltage stabilization of accumulator cell charging and discharging module in the power supply voltage range of microcontroller；The microcontroller and
Its peripheral circuit is singlechip minimum system circuit and interface circuit, and the microcontroller is using its internal temperature sensor to footwear
Interior temperature is monitored, and the level to P0.0~P0.3 pins is monitored to obtain battery electric quantity, is surveyed using the method for difference
The voltage difference of AIN0.0 pins and AIN0.1 pins is measured to monitor the voltage change of piezoelectric stack, so as to calculate its output voltage
Peak point number and amplitude, peak point number is exactly the step number of walking, and amplitude and step pressure are in functional relation；
The battery is low capacity poly-lithium battery, and its effect is to collect the electric energy of piezoelectric stack generation and to the intelligence
Electricity consumption part in energy shoe-pad powers；
The mini-USB interfaces are divided into input interface and output interface, respectively with the electrical energy inputs of accumulator cell charging and discharging module
It is connected with electric energy output end, mini-USB input interfaces can connect charger, battery is charged from outside, mini-USB outputs
Interface in case of emergency can charge to mobile phone；
The smart mobile phone application software is the application program on smart mobile phone, and smart mobile phone must have Bluetooth function
This software could be used, this application software is run after mobile phone and this Intelligent insole open Bluetooth function, complete Bluetooth pairing
Afterwards, Intelligent insole can be monitored by the software, the software interface can in real time show the bluetooth module from Intelligent insole
Shoe temperature, foot pressure, battery dump energy information that transmission comes up, after opening step function, user must be first at interface
Relevant position sets the stroke that oneself step is walked, and then software starts that step number and stroke is calculated and be shown；Open heating function
Afterwards, user first must set pre-heating temperature and target temperature in interface relevant position, and pre-heating temperature is initial heating temperature, i.e.,
When shoe temperature is less than this temperature, electric heating piece conducting, begins to warm up；Target temperature is the target temperature of heating, and target temperature is not
Temperature when not heated in footwear can be less than；During system auto state, microprocessor is according to measured temperature and last setting temperature
Degree judges whether to begin to warm up function, and calculates the target temperature of heating.
2. a kind of pressure described in claim 1 from perceive, the Intelligent insole of self power generation, it is characterised in that：Slide fastener is by upper shoe-pad
Body (1) and lower insole body (10) are joined together to form a closing space, by the insole sandwich of Intelligent insole, electric heating piece, pressure
Electricity is stacked, bluetooth module, functional select switch, treatment and control module, battery and mini-USB interfaces are enclosed in inside it；
Insole shaped electric heating piece (2), is placed between insole body (1) and insole sandwich (3), and its thermal control signals is given by microprocessor
Go out；Insole sandwich (3), electrical equipment and circuit board inside fixed Intelligent insole；Piezoelectric stack (4), is placed in insole sandwich (3)
Front portion, detection foot pressure, calculating step number, and for this Intelligent insole provides electric energy；Bluetooth module (5), is placed in insole sandwich (3)
Right back；Functional select switch (6), is placed in insole sandwich (3) right back, is a rotary switch for six contact single-passes, control
On/off and function are selected；Treatment and control module (7), are placed in insole sandwich (3) rear portion, and all components are integrated in one
On the flexible circuit board of block, the relevant treatment and control function of Intelligent insole are realized；Low capacity battery (8), is placed in shoe-pad
Interlayer (3) left back；Mini USB interfaces (9), are also placed in insole sandwich (3) left back, but before low capacity battery (8)
Face, is divided into input interface and output interface；Smart mobile phone (11), runs the application software supporting with the Intelligent insole, passes through
Bluetooth realizes the monitor in real time to Intelligent insole.
3. a kind of pressure described in claim 1 from perceive, the Intelligent insole of self power generation, it is characterised in that：Described treatment and
Control module (7) includes：Shaping and voltage conversion circuit, accumulator cell charging and discharging module, Voltage stabilizing module and microcontroller and its outer
Enclose circuit；Electric heating piece (2), piezoelectric stack (4) between them and its with Intelligent insole, bluetooth module (5), functional select switch
(6), battery (8), mini-USB interfaces (9) annexation it is as follows：The output signal of piezoelectric stack (4) is two-way, all the way
It is input in shaping and voltage conversion circuit, another road is connected to microprocessor peripheral circuit, enters back into and carry out in microprocessor
Analog-to-digital conversion；Shaping and the input of voltage conversion circuit are the wherein output signal all the way of piezoelectric stack (4), and output end is connected to
The power input of accumulator cell charging and discharging module；The power input of accumulator cell charging and discharging module and mini-USB power inputs
Interface (9) is also connected, and its inside modules is connected to low capacity battery (8), to control its discharge and recharge；Accumulator cell charging and discharging mould
The power output end of block is connected with Voltage stabilizing module, and the 5V direct currents that Voltage stabilizing module outputs it are converted to microprocessor needs
3.3V direct currents；The output end of functional select switch (6) is connected to the input interface of microprocessor；One of microprocessor is defeated
Outlet is connected to the control end of electric heating piece (2)；Bluetooth module (5) carries out data exchange with microprocessor by serial ports.
4. a kind of pressure described in claim 1 from perceive, the Intelligent insole of self power generation, it is characterised in that：Including following intelligence
The implementation method of energy shoe-pad：
1st, sizeable Intelligent insole is put into user's footwear, the knob of functional select switch No. 2 terminals is pushed into, now intelligence
Energy shoe-pad enters auto state, and Bluetooth function is automatically turned on, and microcontroller C8051F350 is using its internal temperature sensor to footwear
Interior temperature is monitored, and the level to P0.0~P0.3 pins is monitored to obtain battery electric quantity, is surveyed using the method for difference
The voltage difference of AIN0.0 pins and AIN0.1 pins is measured to monitor the voltage change of piezoelectric stack, so as to calculate its output voltage
Peak point number and amplitude, the peak point number is exactly the step number of walking, and the amplitude and step pressure are in functional relation；
2nd, after completing 1 step, the Bluetooth function of smart mobile phone is first opened, then opens the monitoring mobile phone software supporting with the system,
The software can complete pairing with the bluetooth module in neighbouring Intelligent insole automatically, soft so as to start that information in footwear is monitored
Part interface can in real time show shoe temperature, foot pressure, the battery residue that the bluetooth module transmission from Intelligent insole comes up
Information about power, after opening step function, user first must set the stroke that oneself step is walked in interface relevant position, then software
Start that step number and stroke is calculated and be shown；After opening heating function, user first must set pre-heating temperature in interface relevant position
And target temperature, pre-heating temperature is initial heating temperature, i.e., the electric heating piece conducting when shoe temperature is less than this temperature, starts to add
Heat；Target temperature is the target temperature of heating, temperature when target temperature cannot be below not heated in footwear；System auto state
When, microprocessor judges whether to begin to warm up function according to measured temperature with the design temperature of last time, and calculates the mesh of heating
Mark temperature；
3rd, when that need not heat or monitor step data function, user can turn off heating or bluetooth work(by functional select switch
Can be saving electricity；
4th, in case of emergency, can be charged the phone by mini-USB output interfaces, for mobile phone provides a small amount of electric energy.
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| CN201410485647.8A CN104207409B (en) | 2014-09-22 | 2014-09-22 | A kind of pressure is perceived certainly, the Intelligent insole of self power generation |
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| CN201410485647.8A CN104207409B (en) | 2014-09-22 | 2014-09-22 | A kind of pressure is perceived certainly, the Intelligent insole of self power generation |
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| CN104207409A CN104207409A (en) | 2014-12-17 |
| CN104207409B true CN104207409B (en) | 2017-06-30 |
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| CN105942664A (en) * | 2016-04-26 | 2016-09-21 | 东华大学 | Intelligent sports shoe insoles based on multi-sensor fusion |
| CN106235520A (en) * | 2016-09-06 | 2016-12-21 | 中国地质大学（武汉） | A kind of pressure charging Intelligent insole and control method thereof |
| CN106974360A (en) * | 2016-12-12 | 2017-07-25 | 广东探金电子科技有限公司 | A kind of intelligent adjustable temperature shoe-pad |
| CN108209003B (en) * | 2016-12-21 | 2021-08-06 | 中国移动通信有限公司研究院 | Pressure detection and power generation method, sole structure and shoe |
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| CN110200597A (en) * | 2019-05-27 | 2019-09-06 | 上海理工大学 | Diabetes Intelligent insole |
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