CN203400143U - Electromyographic electrode and electromyographic signal acquisition instrument - Google Patents
Electromyographic electrode and electromyographic signal acquisition instrument Download PDFInfo
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- CN203400143U CN203400143U CN201320346186.7U CN201320346186U CN203400143U CN 203400143 U CN203400143 U CN 203400143U CN 201320346186 U CN201320346186 U CN 201320346186U CN 203400143 U CN203400143 U CN 203400143U
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Abstract
The utility model relates to an electromyographic electrode and an electromyographic signal acquisition instrument. The electromyographic electrode comprises a base layer, a blending layer and a conductive fiber layer, wherein the base layer is a textile fabric layer of a grid woven structure, the conductive fiber layer is formed by a plurality of single conductive fibers, the blending layer is formed by a plurality of carbon fibers, and the carbon fibers make the conductive fibers inclinedly woven into the base layer. The conductive fibers are used as the conductive materials for sensing the electromyographic signal, the terylene polyamide base material is not conductive, and the carbon fibers as the semi conductive materials make the conductive fibers inclinedly woven into the base layer, so that the fibers are tightly combined and the respective function features of the fibers are not affected by each other. The conductive metal fibers are uniformly woven into the base material, any subtle change in electric potential is uniformly and densely acquired, the signal wave is uniform and stable, and peak wave is rare. The textile fabric formed by the technology has features of high combined strength, wear resistance, and wash resistance, and the weaving property of the raw fibers is kept, and the textile fabric has other features of low surface resistance, and high metal bonding strength of the metal conductive fiber layer.
Description
[technical field]
This utility model relates to armarium, physiological data acquisition instrument field, relates in particular to myoelectricity utmost point Acquisition Instrument.
[background technology]
When human muscle shrinks, by lay electrode at skin surface, can collect muscle corresponding actions current potential, it is surface electromyogram signal, surface electromyogram signal has been widely used in the research of the aspects such as muscle injury diagnosis, rehabilitation medicine and sports, wherein one important and be typically applied as with surface electromyogram signal and control artificial limb.Traditional myoelectric limb control mode training process is very long, clumsy in one's movement, use is natural, and user use inconvenience and stress are very large.Along with advanced signal processing technology and the application of high-performance microprocessor, there is the myoelectric limb control technology based on pattern recognition.
But employing muscle action potential, as the control signal of input, the problem of existence is the potential change that muscle movement produces, very faint.Need highstrung signal end it to be gathered and amplify just and can be utilized as control signal, at present general thinking is from two aspects, be to find more applicable skin surface laminating to use first, the material that sensitivity is high, potential fluctuation induction force is strong is as the myoelectricity utmost point; Another is to design more rational harvester, by the atomic small-signal of myoelectricity collect, arrange, amplification, filtering, and set up the more pattern of science, precisely control result.
[summary of the invention]
This utility model has proposed a kind of, signals collecting effective myoelectricity utmost point sharp to myoelectricity induction for above situation, and a kind of electromyographic signal collection instrument that configures this myoelectricity utmost point has been proposed, the control signal that provides artificial limb used is provided this electromyographic signal collection instrument.
The myoelectricity utmost point that this utility model is related, comprise basal layer, blended layer and conductive fiber layer, this basal layer is the tissue layer of open weave structure, and conductive fiber layer is some single conductive fibers formations, blended layer is to consist of some carbon fibers, and this carbon fiber enters basal layer by the oblique shuffling of conductive fiber.
The open weave structure of this basal layer is by through wire fabric and parallel fabric staggered, and every two adjacent all form minimum unit one unit grid through wire fabric and any two adjacent parallel fabrics.
This conductive fiber layer covers basal layer one side, and some conductive fiber monolayers are arranged in parallel, and forms one deck conductive fiber layer parallel with basal layer.
Each root conductive fiber in this conductive fiber layer, along the unit grid diagonal setting of basal layer.
Carbon fiber in this blended layer is vertical on the parallel surface of basal layer with conductive fiber, each root carbon fiber all one section of conductive fiber is woven into its cut sth. askew through unit grid in.
This basal layer is cotton synthetic fibre or dacron layer, and this conductive fiber layer is silver-colored fiber, copper fiber or aluminum fiber formation.
A kind of electromyographic signal collection instrument, comprise the myoelectricity utmost point, wire and signal processing apparatus, wherein the myoelectricity utmost point is wired to signal processing apparatus, this myoelectricity utmost point comprises basal layer, blended layer and conductive fiber layer, this basal layer is the tissue layer of open weave structure, and conductive fiber layer is some single conductive fibers formations, blended layer is to consist of some carbon fibers, and this carbon fiber enters basal layer by the oblique shuffling of conductive fiber, this signal processing apparatus comprises eight channel bank interfaces, signal amplification circuit, filter circuit, signal collating circuit, software analysis module and output signal interface, wherein the input of eight channel bank interfaces is connected to wire, the outfan of eight channel bank interfaces is connected to the input of signal amplification circuit, the outfan of this signal amplification circuit is connected to the input of filter circuit, the outfan of this filter circuit is connected to the input of signal collating circuit, the outfan of this signal collating circuit is connected to software analysis module, by the signal after software analysis module, by output signal interface, export electromyographic signal collection instrument.
This filter circuit comprises high-pass filtering circuit, low-pass filter circuit and rejector circuit, and this high-pass filtering circuit, low-pass filter circuit and rejector circuit connect successively.
In signal processing apparatus, also comprise a compensating circuit, the input of this compensating circuit is connected to signal amplification circuit, and the outfan of this compensating circuit is connected to signal collating circuit, for signal check and correction process provides an original compensation reference value.
In this utility model, adopt conductive fiber as the conductive material of induction electromyographic signal, and combine the nonconducting speciality of dacron cotton synthetic fibre chemical fibre base material, adopt this material of partly leading of carbon fiber that wire fiber shuffling is entered in base material, not only in conjunction with closely but also not affecting its functional characteristic separately, because conductive metallic fiber is entered in base material by shuffling equably, to any trickle potential change, can evenly and thick and fast gather, signal wave is uniform and stable, lessly occurs spike fluctuation.And this technique combined strength bination is high, wear-resisting, washable, both kept the weavability of precursor, make again fabric have that sheet resistance is low, metallic conduction fibrous layer adhesion is strong.
[accompanying drawing explanation]
Fig. 1 is this utility model myoelectricity electrode structure schematic diagram;
Fig. 2 is this utility model electromyographic signal collection instrument structured flowchart;
Wherein: 100, the myoelectricity utmost point; 110, basal layer; 111, through wire fabric; 112, parallel fabric; 120, blended layer; 121, carbon fiber; 130, conductive fiber layer; 131, conductive fiber; 200, electromyographic signal collection instrument; 210, the myoelectricity utmost point; 220, wire; 230, signal processing apparatus; 231, eight channel bank interfaces; 232, signal amplification circuit; 233, filter circuit; 234, signal collating circuit; 235, software analysis module; 236, output signal interface; 237, compensating circuit.
[specific embodiment]
Below in conjunction with this utility model the drawings and specific embodiments, this utility model myoelectricity utmost point and electromyographic signal collection instrument are described in further detail.The myoelectricity utmost point that this utility model proposes not only can be used for gathering myoelectric potential signal, also can be used for gathering the collection of heart electrode, brain electrode and human nerve electrode signal, and the sensitivity of electromyographic signal collection instrument completely can be for carrying out the collection of above index.This electrode can support the use with ecg scanning monitor, and collection, transmission analyzing stored are to human body physiological characteristics data.
Please refer to accompanying drawing 1: wherein show the myoelectricity utmost point 100, comprise basal layer 110, blended layer 120 and conductive fiber layer 130, this basal layer 110 is tissue layer of open weave structure, and conductive fiber layer 130 is some single conductive fibers 131 formations, blended layer 120 is to consist of some carbon fibers 121, and this carbon fiber 121 enters basal layer by the oblique shuffling of conductive fiber 131.
The open weave structure of this basal layer 110 is by through wire fabric 111 and parallel fabric 112 staggereds, and every two adjacent all form minimum unit one unit grid through wire fabric 111 and any two adjacent parallel fabrics 112.
This conductive fiber layer 130 covers basal layer 110 one sides, and some conductive fiber 131 monolayers are arranged in parallel, and form one deck conductive fiber layer 130 parallel with basal layer 110.Conductive fiber layer only covers the one side of basal layer, and conductive fiber layer 130 is the one deck of human skin of directly fitting when in use, and basal layer 110 is outermost top layers.
Each root conductive fiber 131 in this conductive fiber layer 130, along the unit grid diagonal setting of basal layer 110.Conductive fiber layer is obliquely by blended layer 120, to be knitted into basal layer 110, carbon fiber 121 in this blended layer 120 is vertical on the parallel surface of basal layer 110 with conductive fiber 131, each root carbon fiber 121 all one section of conductive fiber is woven into its cut sth. askew through unit grid in.The myoelectricity utmost point that this spline structure blending is made, even structure and densification, tension stress is quite good.This basal layer 110 is cotton synthetic fibre or dacron layer, adopting cotton synthetic fibre and terylene is to have utilized its non-conductive property, the interference of isolated external electrical field to acquired signal, for gathering myoelectricity, conductive fiber creates noiseless environment, and prevent that circuit from connecting electric leakage, at human body, form electric pathway circulation, and electric shock is to human body.And this conductive fiber layer 130 is silver-colored fiber, copper fiber or aluminum fiber formation.Adopting carbon fiber 121 as blended layer, is to have utilized carbon fiber semiconductor property, can change its character when being necessary, is applicable to very much blending and connects in conductive fiber and non-conductive fabric.
A kind of electromyographic signal collection instrument 200, comprise the myoelectricity utmost point 210, wire 220 and signal processing apparatus 230, wherein the myoelectricity utmost point 210 is connected to signal processing apparatus 230 by wire 220, this myoelectricity utmost point 210 comprises basal layer, blended layer and conductive fiber layer, this basal layer is the tissue layer of open weave structure, and conductive fiber layer is some single conductive fibers formations, blended layer is to consist of some carbon fibers, and this carbon fiber enters basal layer by the oblique shuffling of conductive fiber, this signal processing apparatus 230 comprises eight channel bank interfaces 231, signal amplification circuit 232, filter circuit 233, signal collating circuit 234, software analysis module 235 and output signal interface 236, wherein the input of eight channel bank interfaces 231 is connected to wire 220, the outfan of eight channel bank interfaces 231 is connected to the input of signal amplification circuit 232, the outfan of this signal amplification circuit 232 is connected to the input of filter circuit 233, the outfan of this filter circuit 233 is connected to the input of signal collating circuit 234, the outfan of this signal collating circuit 234 is connected to software analysis module 235, by the signal after software analysis module 235, by output signal interface 236, export electromyographic signal collection instrument.
This filter circuit 233 comprises high-pass filtering circuit 2331, low-pass filter circuit 2332 and rejector circuit 2333.
In signal processing apparatus 230, also comprise a compensating circuit 237, the input of this compensating circuit 237 is connected to signal amplification circuit 232, the outfan of this compensating circuit is connected to signal collating circuit 234, for signal check and correction process provides an original compensation reference value.
In this utility model, adopt conductive fiber as the conductive material of induction electromyographic signal, and combine the nonconducting speciality of dacron cotton synthetic fibre chemical fibre base material, adopt this material of partly leading of carbon fiber that wire fiber shuffling is entered in base material, not only in conjunction with closely but also not affecting its functional characteristic separately, because conductive metallic fiber is entered in base material by shuffling equably, to any trickle potential change, can evenly and thick and fast gather, signal wave is uniform and stable, lessly occurs spike fluctuation.And this technique combined strength bination is high, wear-resisting, washable, both kept the weavability of precursor, make again fabric have that sheet resistance is low, metallic conduction fibrous layer adhesion is strong.
The above, it is only this utility model preferred embodiment, not this utility model is done to any pro forma restriction, although this utility model discloses as above with preferred embodiment, yet not in order to limit this utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, according to this utility model technology, refer to any simple modification that above embodiment is done, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (9)
1. the myoelectricity utmost point, it is characterized in that, this myoelectricity utmost point comprises basal layer, blended layer and conductive fiber layer, this basal layer is the tissue layer of open weave structure, and conductive fiber layer is some single conductive fibers formations, blended layer is to consist of some carbon fibers, and this carbon fiber enters basal layer by the oblique shuffling of conductive fiber.
2. the myoelectricity utmost point according to claim 1, it is characterized in that, the open weave structure of this basal layer is by through wire fabric and parallel fabric staggered, and every two adjacent all form minimum unit, i.e. a unit grid through wire fabric and any two adjacent parallel fabrics.
3. the myoelectricity utmost point according to claim 2, is characterized in that, this conductive fiber layer covers basal layer one side, and some conductive fiber monolayers are arranged in parallel, and form one deck conductive fiber layer parallel with basal layer.
4. the myoelectricity utmost point according to claim 3, is characterized in that, each the root conductive fiber in this conductive fiber layer arranges along the unit grid diagonal of basal layer.
5. the myoelectricity utmost point according to claim 4, is characterized in that, in this blended layer, rhythm carbon fiber is vertical on the parallel surface of basal layer with conductive fiber, each root carbon fiber all one section of conductive fiber is woven into its cut sth. askew through unit grid in.
6. according to arbitrary described myoelectricity utmost point in claim 1-5, it is characterized in that, this basal layer is cotton synthetic fibre or dacron layer, and this conductive fiber layer is silver-colored fiber, copper fiber or aluminum fiber formation.
7. an electromyographic signal collection instrument, comprise the myoelectricity utmost point, wire and signal processing apparatus, wherein the myoelectricity utmost point is wired to signal processing apparatus, this myoelectricity utmost point comprises basal layer, blended layer and conductive fiber layer, this basal layer is the tissue layer of open weave structure, and conductive fiber layer is some single conductive fibers formations, blended layer is to consist of some carbon fibers, and this carbon fiber enters basal layer by the oblique shuffling of conductive fiber, this signal processing apparatus comprises eight channel bank interfaces, signal amplification circuit, filter circuit, signal collating circuit, software analysis module and output signal interface, wherein the input of eight channel bank interfaces is connected to wire, the outfan of eight channel bank interfaces is connected to the input of signal amplification circuit, the outfan of this signal amplification circuit is connected to the input of filter circuit, the outfan of this filter circuit is connected to the input of signal collating circuit, the outfan of this signal collating circuit is connected to software analysis module, by the signal after software analysis module, by output signal interface, export electromyographic signal collection instrument.
8. electromyographic signal collection instrument according to claim 7, is characterized in that, this filter circuit comprises high-pass filtering circuit, low-pass filter circuit and rejector circuit, and this high-pass filtering circuit, low-pass filter circuit and rejector circuit connect successively.
9. electromyographic signal collection instrument according to claim 7, it is characterized in that, in signal processing apparatus, also comprise a compensating circuit, the input of this compensating circuit is connected to signal amplification circuit, and the outfan of this compensating circuit is connected to signal collating circuit and provides an original compensation reference value for signal check and correction process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320346186.7U CN203400143U (en) | 2013-06-09 | 2013-06-09 | Electromyographic electrode and electromyographic signal acquisition instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320346186.7U CN203400143U (en) | 2013-06-09 | 2013-06-09 | Electromyographic electrode and electromyographic signal acquisition instrument |
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| CN203400143U true CN203400143U (en) | 2014-01-22 |
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| CN201320346186.7U Expired - Fee Related CN203400143U (en) | 2013-06-09 | 2013-06-09 | Electromyographic electrode and electromyographic signal acquisition instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284719A (en) * | 2013-06-09 | 2013-09-11 | 邹海清 | Myoelectric electrode and myoelectric signal collecting instrument |
| CN105935294A (en) * | 2016-04-21 | 2016-09-14 | 北京洁尔爽高科技有限公司 | Flexible and elastic electrode and application thereof |
| TWI574010B (en) * | 2015-11-27 | 2017-03-11 | 長庚大學 | Textile sensor |
-
2013
- 2013-06-09 CN CN201320346186.7U patent/CN203400143U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284719A (en) * | 2013-06-09 | 2013-09-11 | 邹海清 | Myoelectric electrode and myoelectric signal collecting instrument |
| TWI574010B (en) * | 2015-11-27 | 2017-03-11 | 長庚大學 | Textile sensor |
| CN105935294A (en) * | 2016-04-21 | 2016-09-14 | 北京洁尔爽高科技有限公司 | Flexible and elastic electrode and application thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20160609 |