CN107595284A - A kind of myoelectric sensor system based on wireless charging and energy from collection technique - Google Patents
A kind of myoelectric sensor system based on wireless charging and energy from collection technique Download PDFInfo
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- CN107595284A CN107595284A CN201710266616.7A CN201710266616A CN107595284A CN 107595284 A CN107595284 A CN 107595284A CN 201710266616 A CN201710266616 A CN 201710266616A CN 107595284 A CN107595284 A CN 107595284A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003183 myoelectrical effect Effects 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
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- 238000004458 analytical method Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- 229910052744 lithium Inorganic materials 0.000 description 1
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Abstract
A kind of wearable myoelectric sensor system proposed by the present invention, wireless charging and energy are combined from technical characterstics such as collections, by sensing system to intelligentized management of charging, can solve the sustainability requirements that the charging requirement on demand of user and system work long hours simultaneously, overcome traditional myoelectric sensor the power source charges management aspect the shortcomings that.This sensing system proposes the compound charging source structure that wireless charging technology is combined with energy from collection technique, and new charging source technical tactic is provided for wearable myoelectric sensor.By wireless charging technology, sensing system can realize charging performance rapidly, wirelessly.The performance chronically to be charged to battery can be realized using environmental energy, ensure that the sustainable workability of system from collection technique, sensing system by energy.
Description
Technical field
The present invention relates to sensor field, more particularly to the new myoelectricity that wireless charging and energy are combined from collection technique
Sensor field.
Background technology
With developing rapidly for Internet of Things and big data epoch, the chemical conversion of personal information intelligent digital is instantly emerging, hot
The development field of door.In the category being digitized to human body behavior or state, particularly human cinology and dynamics side
The research in face, human body information state is better understood when and analyzed, correct mathematical modeling is established to it, then firstly the need of having
Equipment can detect and quantify the various state parameters of human body, and wearable myoelectric sensor is one of which here.Flesh
Electric transducer is mainly used in gathering the muscle electric signal of human body, quantification is digitized, in terms of kinesiology
Research.
At present, the power supply of this kind of wearable myoelectric sensor product mainly uses battery.But the finite capacity of battery, need
It is regularly charged or changed.Traditional wearable myoelectric sensor is general that embedded battery is given using charging wire
Charged.The myoelectric sensor of newer type is charged using the method for wireless charging to system battery, but both is all suffered from
A problem, is exactly that user needs frequently to charge to system, is thus brought very in the usage experience of system to user
Big inconvenience.Therefore, how to solve the intelligent charge of wearable sensors equipment and sustainable workability, improve Consumer's Experience into
For key subject.
A kind of wearable myoelectric sensor system proposed by the present invention, wireless charging and energy are combined from skills such as collections
Art feature, by sensing system to intelligentized management of charging, can solve the charging requirement on demand and system of user simultaneously
The sustainability requirements to work long hours, overcome traditional myoelectric sensor the power source charges management aspect the shortcomings that.
The content of the invention
The present invention is overcome the deficiencies in the prior art, proposes a kind of myoelectricity based on wireless charging and energy from collection technique
Sensing system.
In order to solve above-mentioned technical problem, basic technical scheme proposed by the present invention is：
A kind of myoelectric sensor system based on wireless charging and energy from collection technique, it is characterised in that the system
Including battery charger module, wireless charging module, energy from collection module, electromyographic signal module, battery cell monitoring module, charging
Source intelligence handover module, microcontroller and bluetooth module；
The battery charger module is controlled by battery charging chip to the charging voltage and electric current of battery, together
Shi Lianhe battery cell monitorings module realizes that the dump energy to battery, current discharge current parameter monitor and manage in real time；
The wireless charging module integrates the induced-current from electric coil using wireless charging receiver chip, is battery
Charging provides stable voltage source；
The energy is collected from energy such as solar energy tabula rasa, piezoelectric ceramics, heat energy from collection module by booster chip
Amount, is converted into electric energy, output charges the battery；
The electromyographic signal module to the faint bioelectrical signals of human muscle by being amplified, filtering, to obtain
The energized status information of muscle in motion process；
The charging source intelligence handover module mainly manages the selection of charging source, enables the system under a variety of charging sources certainly
Dynamic switching；
The microcontroller is demarcated to above-mentioned each module progress overall control and the myoelectricity data to collecting, school
Just, the data handled are then sent to by bluetooth module by upper main control computer and carry out real-time display, analysis and preservation.
The beneficial effects of the invention are as follows：This sensing system proposes wireless charging technology and mutually tied from collection technique with energy
The compound charging source structure closed, new charging source technical tactic is provided for wearable myoelectric sensor.Pass through wireless charging
Technology, sensing system can realize charging performance rapidly, wirelessly.By energy from collection technique, sensing system energy
The performance chronically to be charged to battery is realized using environmental energy, ensure that the sustainable workability of system.
Brief description of the drawings
Fig. 1 is the overall system architecture schematic diagram of the present invention
Fig. 2 is the battery charger module circuit diagram of the present invention
Fig. 3 is the wireless charging module circuit diagram of the present invention
Fig. 4 is the energy of the present invention from collection module circuit diagram
Fig. 5 is the charging source intelligence switch module circuit diagram of the present invention
Fig. 6 is the battery cell monitoring module circuit diagram of the present invention
Fig. 7 is the microcontroller circuit figure of the present invention
Fig. 8 is the electromyographic signal module circuit diagram of the present invention
Fig. 9 is the bluetooth module circuit diagram of the present invention
Figure 10 is the system framework figure of the present invention
Embodiment
Below with reference to accompanying drawing 1 to 9, the present invention is described further, but the protection of the present invention should not be limited with this
Scope.For convenience of explanation and understand technical scheme, the noun of locality used in explanation is with the exhibition of accompanying drawing institute below
The orientation shown is defined.
As shown in figure 1, it is the overall system architecture schematic diagram of the present invention, in the present invention, it is proposed that one kind is based on wireless
Charging and energy include battery charger module, wireless charging module, energy from the myoelectric sensor system of collection technique, the system
Measure from collection module, electromyographic signal module, battery cell monitoring module, charging source intelligence handover module, microcontroller and bluetooth mould
Block；
As shown in Fig. 2 the battery charger module main element in Fig. 2 is U12：Charging chip, realize charging voltage electricity
The control of stream；PL2：Battery connector, for connecting lithium battery.Main input/output signal：Wireless_OUT, OUT_
BATT；Main operational principle：U12 receives the output Wireless_OUT from wireless charging module, in this, as the energy of charging
Source, then export stable charging voltage OUT_BATT and give battery connector PL2, the charging of complete battery pair.
Battery charger module is controlled by battery charging chip to the charging voltage and electric current of battery, is joined simultaneously
Close battery cell monitoring module and realize that the dump energy to battery, current discharge current parameter monitor and manage in real time；
As shown in figure 3, the wireless charging module main element in Fig. 3 is U11:Wireless charging receiver chip；PL1:Electricity
Coil.The main input/output signal of module：Wireless_OUT；Wireless charging module is integrated using wireless charging receiver chip
Induced-current from electric coil, stable voltage source, its main operational principle are provided for battery charging：PL1 is received from wireless
The electromagnetic induction energy that recharging base issues, is then output to U11, and induced-current is integrated into stable voltage output by U11
Wireless_OUT, is then connected to the U12 of battery charger module, and input power is provided for charging chip.Meanwhile U11's is defeated
Go out the large power triode logic circuit T1 that Wireless_OUT is connected to charging source intelligence handover module, for charging source intelligence
Handover module selection charging source.
As shown in figure 4, energy in Fig. 4 from collection module main element be U14:Booster chip；PL3:Solar energy
Plate/thermal energy collecting element/piezo ceramic element etc., the main input/output signal of module：Harv_OUT；It passes through booster chip
Collect from energy such as solar energy tabula rasa, piezoelectric ceramics, heat energy, be converted into electric energy, output charges the battery；Groundwork
Principle：PL3 gathers solar energy/heat energy/piezoelectricity energy, is converted into electric energy to U14, and it is whole that the electric current collected is done boosting by U14
Conjunction is handled, and output Harv_OUT is connected to charging source intelligence handover module, so that the selection charging of charging source intelligence handover module comes
Source.
As shown in figure 5, the main element of the charging source intelligence handover module in Fig. 5:T1:Large power triode；It is managed
The selection of charging source, enable the system to automatically switch under a variety of charging sources；The main input/output signal of module：OUT_BATT,
Wireless_OUT, Harv_OUT, ALM；Main operational principle：T1 receives the Wireless_OUT letters from wireless charging module
Number and energy from the Harv_OUT signals of collection module.By logic judgment, collected certainly in wireless charging pattern and energy automatically
Switch between charge mode.When wireless charging power supply and energy are linked into system simultaneously from collection charging source, wireless charging power supply is set
With higher priority.Under wireless charging pattern, T1 will get through connection Wireless_OUT signals and OUT_BATT signals.
For energy from collecting under charge mode, T1 gets through connection Harv_OUT signals and OUT_BATT signals.T1 judges to come from battery prison
The ALM signals of module are controlled, are controlled for over.
As shown in fig. 6, the battery cell monitoring modular circuit main element in Fig. 6:U13:Battery management chip.Module is mainly defeated
Enter output signal：OUT_BATT, I2C1_SCL, I2C1_SDA, ALM.Main operational principle：U13 utilizes I2C1_SCL and I2C1_
SDA signal line is communicated with microcontroller, with communicating battery status data.U13 is connected by OUT_BATT signals with battery,
Obtain battery parameter information such as electricity, voltage and current etc..U13 ALM signal outputs are to charging source intelligence handover module, to carry
For over signal.
As shown in fig. 7, the microcontroller circuit main element in Fig. 7:
U9:Voltage stabilizing chip
U10：STM32Cortex-M3 microcontrollers
LED1：Tricolor LED
Y1:Crystal oscillator
The main input/output signal of module：
USART2_RTS
USART2_TX
USART2_RX
USART2_CTS
BT_RESET#
BT_GPIO4
BT_GPIO3
BT_GPIO1
OSC32_IN
I2C1_SCL
I2C1_SDA
ALM
AA_SDN/
AA_CLK
EMG_AA
EMG_SIG
OUT_BATT
The microcontroller carries out overall control to each module of sensing system and the myoelectricity data to collecting are entered
Rower is fixed, correction, then by bluetooth module data handle be sent to upper main control computer carry out real-time display, analyze and
Preserve.
The main operational principle of microcontroller：The Y1 crystal oscillator source for U10.LED1 is mainly system mode display lamp.U9
By the voltage signal OUT_BATT voltage stabilizings from battery into the magnitude of voltage required for U10.U10 passes through USART2_RTS, USART2_
TX, USART2_RX, USART2_CTS, BT_RESET#, BT_GPIO4, BT_GPIO3, BT_GPIO1, OSC32_IN signal and indigo plant
Tooth module is communicated and relevant parameter setting.U10 passes through I2C1_SCL, I2C1_SDA, ALM signals and battery cell monitoring module
Communicated and parameter setting.U10 is carried out by AA_SDN/, AA_CLK, EMG_AA, EMG_SIG signals with electromyographic signal module
Communication and parameter setting.
As shown in figure 8, the main element of the electromyographic signal modular circuit in Fig. 8:
U5 and U7:Amplifying circuit chip
U6：Filtering chip
U8：Reference voltage chip
E1, E2, E3:Surface electrode
The main input/output signal of module：AA_SDN/, AA_CLK, EMG_AA, EMG_SIG
Electromyographic signal modular circuit to the faint bioelectrical signals of human muscle by being amplified, filtering, to obtain
The energized status information of muscle in motion process；Its main operational principle：Electromyographic signal module by AA_SDN/, AA_CLK,
EMG_AA, EMG_SIG signal are communicated with microcontroller and data exchange.Pass through E1, E2, E3 electrode collection surfaces myoelectricity letter
Number.The faint electromyographic signal amplification that U5, U7 collect to electrode, is output to U6.U6 filters to the electromyographic signal after amplification
After ripple shaping, micro controller module is output to.U8 provides reference voltage for U5.
As shown in figure 9, the main element of the bluetooth module circuit in Fig. 9:
U2：Bluetooth chip
U1：Crystal oscillator chip
U4,U3：Electrical level transferring chip
The main input/output signal of the module：USART2_RTS, USART2_TX, USART2_RX, USART2_CTS,
BT_RESET#, BT_GPIO4, BT_GPIO3, BT_GPIO1, OSC32_IN
The main operational principle of the module：Bluetooth module by USART2_RTS, USART2_TX, USART2_RX,
USART2_CTS, BT_RESET#, BT_GPIO4, BT_GPIO3, BT_GPIO1, OSC32_IN signal are led to microcontroller
Letter and data exchange.U2 carries out level conversion by U3 and U4 to BT_TX and BT_RTS, is converted into USART2_RX and USART2_
Cts signal.
The beneficial effects of the invention are as follows：This sensing system proposes wireless charging technology and mutually tied from collection technique with energy
The compound charging source structure closed, new charging source technical tactic is provided for wearable myoelectric sensor.Pass through wireless charging
Technology, sensing system can realize charging performance rapidly, wirelessly.By energy from collection technique, sensing system energy
The performance chronically to be charged to battery is realized using environmental energy, ensure that the sustainable workability of system.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, do not form any restrictions to the present invention.
Claims (1)
- A kind of 1. myoelectric sensor system based on wireless charging and energy from collection technique, it is characterised in that the system bag Battery charger module, wireless charging module, energy are included from collection module, electromyographic signal module, battery cell monitoring module, charging source Intelligent handover module, microcontroller and bluetooth module；The battery charger module is controlled by battery charging chip to the charging voltage and electric current of battery, is joined simultaneously Close battery cell monitoring module and realize that the dump energy to battery, current discharge current parameter monitor and manage in real time；The wireless charging module integrates the induced-current from electric coil using wireless charging receiver chip, is charged for battery Stable voltage source is provided；The energy is collected from energy such as solar energy tabula rasa, piezoelectric ceramics, heat energy from collection module by booster chip, will It is converted to electric energy, and output charges the battery；The electromyographic signal module is being moved by being amplified, filtering to the faint bioelectrical signals of human muscle with obtaining During the energized status information of muscle；The selection of the charging source intelligence handover module management charging source, enables the system to automatically switch under a variety of charging sources；The microcontroller carries out overall control to above-mentioned each module and the myoelectricity data to collecting are demarcated, corrected, Then the data handled are sent to by bluetooth module by upper main control computer and carry out real-time display, analysis and preservation.
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| CN201710266616.7A CN107595284B (en) | 2017-04-21 | 2017-04-21 | Myoelectric sensor system based on wireless charging and energy self-collection technology |
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| CN201710266616.7A CN107595284B (en) | 2017-04-21 | 2017-04-21 | Myoelectric sensor system based on wireless charging and energy self-collection technology |
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| CN107595284A true CN107595284A (en) | 2018-01-19 |
| CN107595284B CN107595284B (en) | 2024-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916657A (en) * | 2019-11-05 | 2020-03-27 | 浙江大学 | Wireless charging type multi-channel wireless surface electromyographic signal acquisition system |
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| US20110248846A1 (en) * | 2010-04-13 | 2011-10-13 | Green SHM Systems, Inc, Incorporated | Wireless Sensing Module and Method of Operation |
| CN104769766A (en) * | 2012-02-17 | 2015-07-08 | 弗吉尼亚大学专利基金会以弗吉尼亚大学许可＆合资集团名义经营 | Energy harvesting and control for sensor node |
| CN105411594A (en) * | 2015-11-02 | 2016-03-23 | 广州阿路比电子科技有限公司 | Novel sensor used for collecting human motion signals |
| US20160310012A1 (en) * | 2015-04-25 | 2016-10-27 | Peter MANKOWSKI | Closed-loop vital signs and energy harvesting systems using micro events for improved performance and hybrid wearable/implantable applications |
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2017
- 2017-04-21 CN CN201710266616.7A patent/CN107595284B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110248846A1 (en) * | 2010-04-13 | 2011-10-13 | Green SHM Systems, Inc, Incorporated | Wireless Sensing Module and Method of Operation |
| CN104769766A (en) * | 2012-02-17 | 2015-07-08 | 弗吉尼亚大学专利基金会以弗吉尼亚大学许可＆合资集团名义经营 | Energy harvesting and control for sensor node |
| US20160310012A1 (en) * | 2015-04-25 | 2016-10-27 | Peter MANKOWSKI | Closed-loop vital signs and energy harvesting systems using micro events for improved performance and hybrid wearable/implantable applications |
| CN105411594A (en) * | 2015-11-02 | 2016-03-23 | 广州阿路比电子科技有限公司 | Novel sensor used for collecting human motion signals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916657A (en) * | 2019-11-05 | 2020-03-27 | 浙江大学 | Wireless charging type multi-channel wireless surface electromyographic signal acquisition system |
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