CN207821815U - A kind of flexibility dry-type electrode - Google Patents
A kind of flexibility dry-type electrode Download PDFInfo
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- CN207821815U CN207821815U CN201720704397.1U CN201720704397U CN207821815U CN 207821815 U CN207821815 U CN 207821815U CN 201720704397 U CN201720704397 U CN 201720704397U CN 207821815 U CN207821815 U CN 207821815U
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Abstract
The utility model is related to a kind of flexible dry-type electrode, which includes electrode body and electrical interconnecting means, and wherein electrode body includes electrode base and the array architecture probe that is arranged on electrode base；Electrical interconnecting means are drawn from electrode base, are electrically connected with array architecture probe；Array architecture probe includes several probes along electrode base annular arrangement, and the end that probe array middle probe is formed by after several probe arrangements forms the three dimension arch curved surface of recess.The utility model has the advantages that without conducting resinl/cream, simple to operate, impedance is low, long time stability, flexibility, wearing comfort is safe, at low cost, processing technology is simple.
Description
Technical field
The utility model is related to the electrodes of medical instrument and wearable electronic field, and in particular to a kind of measurement hair covering
The flexible dry-type electrode of the EEG signals in region.
Background technology
EEG signals (EEG) are the baseband signals of human body, can reflect the information such as health status, the cognitive activities of human body, be
The important parameter of brain science research, Human Physiology research and cerebral disease clinical diagnosis.The monitoring and intervention of EEG signals simultaneously
It is the important content of brain-computer interface (BCI) research and its application.The eeg signal acquisition of hair overlay area is needed by brain electricity
Electrode, and the key for obtaining the EEG signals of high reliability and high stability is research and development electrode for encephalograms of good performance.Although mesh
It is preceding EEG signals obtain and processing in terms of technology achieve certain progress, but reliable electrode for encephalograms technology still have it is huge
Big challenge.
The EEG signals for obtaining high reliability need electrode for encephalograms of good performance, it is desirable that between electrode for encephalograms and scalp
It is small and stable to contact electrode.Currently, wet electrode is widely used in clinic because of the reliability and high s/n ratio of its acquisition EEG signals
In scientific research.Wet electrode technology reduces the contact impedance between electrode and scalp using Signa Gel, but it is required in reality
Scalp is prepared accordingly before testing, time cost and operation complexity are high；In addition, Signa Gel makes the hair of subject become
Dirty turmoil, and be hardened with the elongated of usage time, influence test result.The shortcomings that wet electrode, limits emerging brain electricity application
Development.
Dry electrode technology need not use conductive paste in use, have to wear and use, is convenient and efficient, is suitable long-term
The characteristic of measurement promotes the development of brain electricity application.Dry electrode technology has obtained the extensive concern of scientific research personnel in recent years.It is existing
In dry-type electrode, contact metal electrode comfort level is not high；MEMS array microneedle electrodes puncture cuticula and have the wind infected
Danger；Active electrode preparation process is complicated；Contactless electrode volume is big, and the signal-to-noise ratio of the EEG signals because of hair blocking acquisition
It is low.The shortcomings that existing dry electrode technology, makes dry electrode technology continue to develop.
Invention content
In order to solve the technical problem of contact impedance height, comfort level difference existing for existing dry electrode, the utility model provides
A kind of flexibility dry-type electrode, has without conducting resinl/cream, simple to operate, impedance is low, long time stability, flexibility, wearing
Comfortable advantage safe, at low cost, processing technology is simple.
Technical solution is as follows used by the utility model flexibility dry-type electrode：Flexible dry-type electrode, including electrode body
And electrical interconnecting means, wherein electrode body includes electrode base and the array architecture probe that is arranged on electrode base；It electrically connects
Part is drawn from electrode base, is electrically connected with array architecture probe；Array architecture probe includes several equal along electrode base
The probe of even arrangement, the end that probe array middle probe is formed by after several probe arrangements form the three dimension arch song of recess
Face.
Preferably, in several probes, the probe for being located at electrode base different location has different length, is located at electricity
The probe length of pole bottom centre is less than the probe length positioned at electrode base periphery, is formed by probe array after making arrangement
The end of probe forms the three dimension arch curved surface of recess.
Preferably, several probes have an inclined-plane, and the end of the probe positioned at electrode base different location has
Different inclined-planes makes the end for being formed by probe array middle probe after arrangement form the three dimension arch curved surface of recess.
Preferably, the end of the probe positioned at electrode base different location has different inclined-planes, including has not
With slope and the inclined-plane of different directions.
As can be known from the above technical solutions, compared with prior art, the novel flexible dry-type electrode of the utility model design,
Advantage is that the electrode consists of two parts：Electrically conductive flexibility dry type electrode body and electrical interconnecting means.Wherein electrically conductive flexible dry
Formula electrode body uses flexible compound conductive material, has both flexible and good electric conductivity；Electrode body is divided into array architecture probe
With electrode base two parts；Probe is cylinder, cone or other shapes, and number of probes is generally 10-25 roots, along electrode bottom
Portion's annular array, probe may pass through hair and be in direct contact scalp；Probe length is different, is arranged in three dimension arch curved surface, can be with head
Skin comes into full contact with, and can inhibit motion artifacts, improves the quality and stability of acquisition signal；Array architecture probe and electrode bottom
Portion is rounded corners structure, is not easy to be broken off in use；Electrical interconnecting means are integrally poured into a mould using integral forming process, are reduced
The complexity of technique, and the contact impedance of electrical interconnecting means-electrode body is reduced, and convenient for connection measuring circuit.
Description of the drawings
Fig. 1 is one of the overall structure diagram of the utility model；
Fig. 2 is the two of the overall structure diagram of the utility model；
Fig. 3 is the schematic diagram of the arc-shaped curved surface arrangement of the utility model probe；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is the structural schematic diagram of single probe.
Specific implementation mode
The utility model is described in detail below in conjunction with specific embodiment and Figure of description, but the utility model
Embodiment it is without being limited thereto.
Embodiment
As shown in Figure 1, 2, this example provides a kind of flexible dry type electricity for acquiring the EEG signals of hair overlay area
Pole includes electrode base 2 and is arranged in electrode base in structure including electrode body and electrical interconnecting means 3, wherein electrode body
On array architecture probe 1, electrode base 2 be in flat laminated structure；Electrical interconnecting means 3 are arranged at the center of electrode base 2,
With two surfaces that be located at electrode base 2 opposite of array architecture probe 1.
Array architecture probe 1 is made of flexible conductive composite material, and single probe is cylinder, cone or other shapes
Shape, several probes (generally using 10-25 roots) are located at the probe of 2 different location of electrode base along 2 annular arrangement of electrode base
With different length, the probe length for being located at 2 center of electrode base is less than the probe length for being located at 2 periphery of electrode base, if
The end that probe array middle probe is formed by after dry probe arrangement forms three dimension arch curved surface (i.e. spherical shape), three dimension arch
Curved surface is recessed, and periphery is contour, and minimum point is located at 2 center of electrode base, such as Fig. 3,4, to keep array architecture probe 1 easy
It is contacted with scalp.Electrode base 2 is used to connect several probes and electrical interconnecting means 3 on array architecture probe 1, several probes
End and the edge of electrode base 2 are all made of rounded corners structure, to be not easy to be broken off in use.
It is fully contacted with scalp for the ease of array architecture probe 1, the probe of the utility model can also use Fig. 5 institutes
Show that structure, probe are in cylindrical shape, end is not flat, has an inclined-plane；And it is located at 2 different location of electrode base
The end of probe there is different inclined-plane (such as the direction on inclined-plane is different, slope is different), to make several spies after arrangement
The end of needle forms the three dimension arch curved surface of recess, and the periphery of three dimension arch curved surface is contour, and minimum point is located in electrode base 2
The heart.
The making material of electrode body is conductive rubber or electric silica gel, i.e. base material is rubber or silica gel, and filler is carbon
It is in conductive filler (such as carbon black, carbon nanotube, graphene) or me tallic conductive filler (such as silver powder, aluminium silver-plated, nickel powder)
At least one.Rubber is adulterated for example, by using carbon black or silver powder adulterates silica gel, uses aluminium silvering powder to adulterate silica gel for another example.
Electrical interconnecting means 3 with measuring circuit for connecting, and electrical interconnecting means 3 use integral forming process, and one is poured into a mould, with electrode
Ontology connects.Metallic conduction snap-fastener, metallic conduction connection sheet or other metal connection parts, metal can be used in electrical interconnecting means 3
Material is gold, silver, copper or platinum etc..
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (10)
1. a kind of flexibility dry-type electrode, which is characterized in that including electrode body and electrical interconnecting means, wherein electrode body includes electrode
Bottom and the array architecture probe being arranged on electrode base；Electrical interconnecting means are drawn from electrode base, are visited with array architecture
Needle is electrically connected；Array architecture probe includes several along the evenly arranged probe of electrode base, institute's shape after several probes arrangements
At probe array middle probe end formed recess three dimension arch curved surface.
2. flexibility dry-type electrode according to claim 1, which is characterized in that in several probes, be located at electrode base
The probe of different location has different length, and the probe length for being located at electrode base center is less than positioned at electrode base periphery
Probe length makes the end for being formed by probe array middle probe after arrangement form the three dimension arch curved surface of recess.
3. flexibility dry-type electrode according to claim 1, which is characterized in that several probes have an inclined-plane, and position
There is different inclined-planes in the end of the probe of electrode base different location, probe array middle probe is formed by after making arrangement
End forms the three dimension arch curved surface of recess.
4. flexibility dry-type electrode according to claim 3, which is characterized in that the spy positioned at electrode base different location
The end of needle has different inclined-planes, includes the inclined-plane with Different Slope and different directions.
5. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the three dimension arch curved surface
Periphery is contour, and minimum point is located at the center of electrode base.
6. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the probe be cylinder or
The quantity of person's cone, probe is 10-25 roots.
7. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the electrode base is in flat
Laminated structure, electrical interconnecting means and array architecture probe two surfaces that be located at electrode base opposite.
8. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the end of several probes
It is all made of rounded corners structure with the edge of electrode base.
9. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the electrode body is used and led
Electric rubber or electric silica gel are made.
10. the flexible dry-type electrode according to any one of claim 1-4, which is characterized in that the electrical interconnecting means are gold
Belong to conductive snap fastener or metallic conduction connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720704397.1U CN207821815U (en) | 2017-06-16 | 2017-06-16 | A kind of flexibility dry-type electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720704397.1U CN207821815U (en) | 2017-06-16 | 2017-06-16 | A kind of flexibility dry-type electrode |
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| CN207821815U true CN207821815U (en) | 2018-09-07 |
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| CN201720704397.1U Active CN207821815U (en) | 2017-06-16 | 2017-06-16 | A kind of flexibility dry-type electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656418A (en) * | 2021-03-15 | 2021-04-16 | 季华实验室 | Flexible dry-type brain electrode and using method thereof |
| WO2021093788A1 (en) * | 2019-11-14 | 2021-05-20 | 深圳先进技术研究院 | Headband-type biological signal acquisition device and preparation method therefor |
-
2017
- 2017-06-16 CN CN201720704397.1U patent/CN207821815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093788A1 (en) * | 2019-11-14 | 2021-05-20 | 深圳先进技术研究院 | Headband-type biological signal acquisition device and preparation method therefor |
| CN112656418A (en) * | 2021-03-15 | 2021-04-16 | 季华实验室 | Flexible dry-type brain electrode and using method thereof |
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