CN110353679A - It is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique - Google Patents
It is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique Download PDFInfo
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- CN110353679A CN110353679A CN201910660097.1A CN201910660097A CN110353679A CN 110353679 A CN110353679 A CN 110353679A CN 201910660097 A CN201910660097 A CN 201910660097A CN 110353679 A CN110353679 A CN 110353679A
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- module
- electrically connected
- input terminal
- pass filter
- wireless charging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
- A61B2560/0219—Operational features of power management of power generation or supply of externally powered implanted units
Abstract
The invention discloses the field of medical instrument technology it is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique, including control module, the input terminal of control module is electrically connected with power frequency notch filter, the input terminal of power frequency notch filter is electrically connected with level and raises module, the input terminal that level raises module is electrically connected with low-pass filter, the input terminal of low-pass filter is electrically connected with high-pass filter, the input terminal of high-pass filter is electrically connected with difference amplifier, the input terminal of difference amplifier is electrically connected with difference amplifier, the transmission port of control module is electrically connected with power module, wireless charging module and electrothermal module has been electrically connected in the power port of power module, the output port of control module is electrically connected with wireless data transfer module, electrothermal module utilizes human body body movement and flesh in the present invention The heat realization that the component operations such as electrode generate charges to power module, improves the continuous work duration of this system.
Description
Technical field
The invention discloses a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique, specially cures
Treat equipment technology field.
Background technique
Surface electromyogram signal (sEMG) is a kind of electro-physiological signals generated with contraction of muscle, is that nerve and muscle are excited
When, generates bioelectric as a result, it is the electric signal root for generating muscular force.The state of surface electromyogram signal and muscle function and
There is different degrees of relevance between active state, can reflect the activity of muscle to a certain extent, is led in ergonomics
The ergonomics analysis of domain muscle activity, muscle function evaluation and the neuromuscular disease in clinical medicine in medical science of recovery therapy field
Judgement, the motion analysis of fatigue etc. in diagnosis and sports science all have sizable practical value.But for
The research in motion analysis field, single surface electromyogram signal are difficult to meet present research needs, and researcher generally requires together
When multinomial human motion of the acquisition including surface electromyogram signal physiological parameter.
Currently, the power supply of myoelectric sensor product mainly uses battery.But the capacity of battery is limited, needs to carry out it
It regularly charges or replaces.Traditional myoelectric sensor is generally charged using charging cable to embedded battery.Newer
Myoelectric sensor is charged using the method for wireless charging to system battery, but both of which is faced with a problem, exactly uses
Family needs frequently to charge to system, thus brings big inconvenience in the usage experience of system to user.
Summary of the invention
The purpose of the present invention is to provide a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique,
To solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of collect skill based on wireless charging and energy certainly
The myoelectric sensor system of art, including control module, the input terminal of the control module is electrically connected with power frequency notch filter, described
The input terminal of power frequency notch filter is electrically connected with level and raises module, and the input terminal that the level raises module is electrically connected with low
Bandpass filter, the input terminal of the low-pass filter are electrically connected with high-pass filter, the input terminal electricity of the high-pass filter
Property is connected with difference amplifier, and the input terminal of the difference amplifier is electrically connected with difference amplifier, the control module
Transmission port is electrically connected with power module, the power port of the power module be electrically connected wireless charging module and
The output port of electrothermal module, the control module is electrically connected with wireless data transfer module.
Preferably, the wireless data transmission mould uses WLAN transmission module or Bluetooth communication modules.
Preferably, the electromyographic electrode is used as sensing element using a kind of of Ag or AgCl, using hydrogel as viscosity
Element.
Preferably, the electromyographic electrode is provided with three groups, respectively poor to backward end, ground terminal and difference to forward end.
Compared with prior art, the beneficial effects of the present invention are: the present apparatus mutually ties electrothermal module with wireless charging module
It closes, power module is filled in the heat realization that electrothermal module is generated using component operations such as human body body movement and electromyographic electrodes
Electricity improves the continuous work duration of this system.
Detailed description of the invention
Fig. 1 is the myoelectric sensor system structure diagram of wireless charging of the present invention and energy from collection technique；
Fig. 2 is power frequency notch filter circuit diagram of the present invention；
Fig. 3 is that level of the present invention raises module circuit diagram；
Fig. 4 is low-pass filter circuit device of the present invention；
Fig. 5 is circuit of high pass filter figure of the present invention；
Fig. 6 is differential amplifier circuit figure of the present invention.
In figure: 100 control modules, 110 power frequency notch filters, 120 level raise module, 130 low-pass filters, 140 high passes
Filter, 150 difference amplifiers, 160 electromyographic electrodes, 200 power modules, 210 wireless charging modules, 220 electrothermal modules, 300
Wireless data transfer module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of myoelectric sensor system based on wireless charging and energy from collection technique, electrothermal module benefit
The heat realization generated with component operations such as human body body movement and electromyographic electrodes charges to power module, improves and is
The continuous work duration of system, including control module 100, the input terminal of control module 100 are electrically connected with power frequency notch filter 110,
The input terminal of power frequency notch filter 110 is electrically connected with level and raises module 120, and the input terminal that level raises module 120 electrically connects
It is connected to low-pass filter 130, the input terminal of low-pass filter 130 is electrically connected with high-pass filter 140, high-pass filter 140
Input terminal be electrically connected with difference amplifier 150, the input terminal of difference amplifier 150 is electrically connected with difference amplifier 160；
Electromyographic electrode 160 is used as sensing element using a kind of of Ag or AgCl, using hydrogel as adhesive elements, induction
Element and adhesive elements all have good skin adaptability, and hydrogel is used to reinforce the stickup of product and skin, electromyographic electrode
160 are provided with three groups, respectively poor to backward end, ground terminal and difference to forward end, transmitting of the electromyography signal in tissue,
Anxious quickly with the increase of distance it can subtract, therefore, electrode slice, which should be placed with, provides strongest position in electromyography signal, to reduce
The electromyography signal of proximity of muscle is interfered, meanwhile, good ground connection can not only reduce the first mentioned-above interference, can be with
It is effectively reduced impedance loop, anti-interference ability is improved, common mode interference can be effectively reduced using differential mode；
Difference amplifier 150 is used for preliminary treatment electromyography signal, the surface picked up by electromyographic electrode 160 by electrode
Electromyography signal contains various noises, and electromyography signal first passes around pre-amplification circuit, preliminary treatment is carried out, in order to more have
It interferes to effect ground removal common-mode signal, while interfering introduced from conducting wire in order to prevent, shielded wire and electromyographic electrode 160 should be used
It is connected, the model of difference amplifier 150 selects AD620；
High-pass filter 140 is for filtering out direct current signal and low-frequency noise etc., due to perspiring, constant electromagnetic field
The direct current signal generated under the conditions of interference etc. is superimposed upon in surface electromyogram signal, is put by the high power of subsequent main amplifier circuit
Greatly, it is easy to cause amplifier to be saturated, can not detect useful signal, allow high-frequency signal to pass through but weaken or reduce frequency
Pass through lower than cutoff frequency signal, 140 Butterworth second-order low-pass filter of high-pass filter；
Low-pass filter 130 passes through for low frequency signal, but decrease or reduction frequency are higher than the logical of the signal of cutoff frequency
Cross, effectively eliminate High-frequency Interference, due to Switching Power Supply, computer and clothing electric discharge etc. a variety of causes generate high-frequency impulse very
It can be mingled in electromyography signal, low-pass filter 130 uses Butterworth second-order low-pass filter；
Level raises module 120 for adjusting electromyography signal to range appropriate, since surface electromyogram signal is with difference
What sub-electrode guided, the collected existing positive voltage of signal has negative voltage again, raises module by level and raises myoelectricity letter
Number voltage；
Power frequency notch filter 110 is used to suppress the interference of power frequency electric signal, although this system is powered using battery, and preceding storing
Main road has stronger inhibiting effect to common mode interference, but having part Hz noise is to enter circuit in a manner of difference mode signal,
And frequency is within the frequency band of electromyography signal, in addition the factors such as electrode and input circuit are unstable, the flesh of front stage circuits output
There are still stronger Hz noises for electric signal, and the model of power frequency notch filter 110 is using double T active traps；
The transmission port of control module 100 is electrically connected with power module 200, the power port difference of power module 200
It is electrically connected with wireless charging module 210 and electrothermal module 220, power module 200 is used for the power supply of this system, wireless charging mould
Block 210 passes through extraneous power supply and is used for charging to power module 200, and electrothermal module 220 passes through human body body movement and flesh
The heat that the component operations such as electrode generate is for charging to power module 220；
The output port of control module 100 is electrically connected with wireless data transfer module 300, wireless data transfer module
300 for being transmitted to terminal for electromyography signal.
Although hereinbefore having been made with reference to some embodiments, present invention is described, of the invention not departing from
In the case where range, various improvement can be carried out to it and can be with equivalent without replacement component therein.Especially, as long as not
There are structural conflict, the various features in presently disclosed each embodiment can be combined with each other by any way
It uses, the description for not carrying out exhaustion to the case where these combinations in the present specification is only to be in omit length and economize on resources
The considerations of.Therefore, the invention is not limited to specific embodiments disclosed herein, and including falling within the scope of the appended claims
All technical solutions.
Claims (4)
1. it is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique, it is characterised in that: including controlling mould
The input terminal of block (100), the control module (100) is electrically connected with power frequency notch filter (110), the power frequency notch filter
(110) input terminal is electrically connected with level and raises module (120), and the input terminal that the level raises module (120) electrically connects
It is connected to low-pass filter (130), the input terminal of the low-pass filter (130) is electrically connected with high-pass filter (140), described
The input terminal of high-pass filter (140) is electrically connected with difference amplifier (150), the input terminal of the difference amplifier (150)
It being electrically connected with difference amplifier (160), the transmission port of the control module (100) is electrically connected with power module (200),
Wireless charging module (210) and electrothermal module (220), institute has been electrically connected in the power port of the power module (200)
The output port for stating control module (100) is electrically connected with wireless data transfer module (300).
2. it is according to claim 1 it is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique,
Be characterized in that: the wireless data transfer module (300) uses WLAN transmission module or Bluetooth communication modules.
3. it is according to claim 1 it is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique,
Be characterized in that: the electromyographic electrode (160) is using a kind of as sensing element of Ag or AgCl, using hydrogel as viscosity member
Part.
4. it is according to claim 1 it is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique,
Be characterized in that: the electromyographic electrode (160) is provided with three groups, respectively poor to backward end, ground terminal and difference to forward end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660097.1A CN110353679A (en) | 2019-07-22 | 2019-07-22 | It is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660097.1A CN110353679A (en) | 2019-07-22 | 2019-07-22 | It is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique |
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| CN110353679A true CN110353679A (en) | 2019-10-22 |
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| CN201910660097.1A Pending CN110353679A (en) | 2019-07-22 | 2019-07-22 | It is a kind of based on wireless charging and energy from the myoelectric sensor system of collection technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI801793B (en) * | 2020-01-14 | 2023-05-11 | 華廣生技股份有限公司 | Charging device for physiological signal transmitter |
Citations (5)
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|---|---|---|---|---|
| CN101828919A (en) * | 2010-04-28 | 2010-09-15 | 上海诺诚电气有限公司 | Surface electromyographic electrode with amplifying function |
| CN104586391A (en) * | 2015-01-20 | 2015-05-06 | 西安电子科技大学 | Wearable myoelectric armband |
| 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 |
| CN205850003U (en) * | 2016-05-29 | 2017-01-04 | 陕西理工学院 | A kind of SCM Based myoelectricity boost pulse instrument |
| US20180070866A1 (en) * | 2016-09-13 | 2018-03-15 | Kaamran Raahemifar | Non-invasive nanosensor system to determine analyte concentration in blood and/or bodily fluids. |
-
2019
- 2019-07-22 CN CN201910660097.1A patent/CN110353679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828919A (en) * | 2010-04-28 | 2010-09-15 | 上海诺诚电气有限公司 | Surface electromyographic electrode with amplifying function |
| 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 |
| CN104586391A (en) * | 2015-01-20 | 2015-05-06 | 西安电子科技大学 | Wearable myoelectric armband |
| CN205850003U (en) * | 2016-05-29 | 2017-01-04 | 陕西理工学院 | A kind of SCM Based myoelectricity boost pulse instrument |
| US20180070866A1 (en) * | 2016-09-13 | 2018-03-15 | Kaamran Raahemifar | Non-invasive nanosensor system to determine analyte concentration in blood and/or bodily fluids. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI801793B (en) * | 2020-01-14 | 2023-05-11 | 華廣生技股份有限公司 | Charging device for physiological signal transmitter |
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