CN215959906U - Flexible silica gel silver-coated electroencephalogram dry electrode - Google Patents
Flexible silica gel silver-coated electroencephalogram dry electrode Download PDFInfo
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- CN215959906U CN215959906U CN202122079194.7U CN202122079194U CN215959906U CN 215959906 U CN215959906 U CN 215959906U CN 202122079194 U CN202122079194 U CN 202122079194U CN 215959906 U CN215959906 U CN 215959906U
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Abstract
The application provides a flexible silica gel silver-coated brain electricity dry electrode, this electrode body adopts flexible silica gel as the main part, the surface spraying has the conducting silver layer that is used for gathering the regional brain electricity signal of hair, be furnished with electric connector and external circuit connection simultaneously, the electrode body is flexible and can be used for gathering the regional brain electricity of hair, this electrode can obtain reliable brain electricity signal fast, and the electric hair dry electrode has a simple structure, the advantage that convenient and comfort level of use is good, be applicable to hair or other hair regions, can solve the hair interference problem effectively, the surface contact impedance has effectively been reduced in order to obtain better measuring effect, can not bring uncomfortable and other safety problems for the user simultaneously again.
Description
Technical Field
The application belongs to the technical field of bioelectricity signal monitoring, and particularly relates to a flexible silica gel silver-coated electroencephalogram dry electrode.
Background
Some dry electrodes for harvesting hair areas currently on the market are mainly problematic in two ways: firstly, the problem of electrode placement during collection of electroencephalogram of a hair area is solved, the hair blocks the contact of the electrode and the skin, and the test result is not ideal; secondly, most dry electrodes for collecting electroencephalogram signals are rigid, so that the dry electrodes are very uncomfortable for testers, and meanwhile, a great infection risk exists, and the development of electroencephalogram technology in a new field is limited, so that the development of an electroencephalogram electrode which is convenient to use, comfortable and good in effect is imminent, and the dry electrodes become hot spots of research in the field at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides a flexible silica gel silver-coated electroencephalogram dry electrode.
This application adopts following scheme, a flexible silica gel silvering brain electricity dry electrode includes:
the electrode body comprises a flexible silica gel piece and a conductive silver layer arranged on the surface of the flexible silica gel piece, wherein the conductive silver layer is used for collecting bioelectricity signals;
and the electric connecting piece is arranged on the electrode body, is electrically connected with the conductive silver layer and is used for outputting the bioelectrical signals collected by the conductive silver layer.
According to the flexible silver-coated silica gel electroencephalogram dry electrode, the bottom of the flexible silica gel piece is integrally formed and provided with the plurality of electrode columns protruding downwards.
According to the flexible silver-coated silica gel electroencephalogram dry electrode, the electrode column is in a conical shape with a wide upper part and a narrow lower part, and the bottom end of the electrode column is a flat surface.
According to the flexible silver-coated silica gel brain dry electrode, the electrode columns are arranged at the bottom of the flexible silica gel part in an annular array.
According to the flexible silica gel silver-coated electroencephalogram dry electrode, the flexible silica gel piece is made of medical silica gel, and the hardness of the flexible silica gel piece is 15-25A.
According to the flexible silver-coated silica gel electroencephalogram dry electrode, the conductive silver layer is coated on the surface of the flexible silica gel piece in a spraying mode.
According to the flexible silica gel silver-coated electroencephalogram dry electrode, the thickness of the conductive silver layer is 3-10 um.
According to the flexible silver-coated silica gel electroencephalogram dry electrode, the electrode body is provided with a through hole, and the lower end of the through hole is provided with a groove;
the electric connector is a metal snap fastener and comprises a female buckle and a male buckle which are respectively positioned on the upper side and the lower side of the through hole, and the male buckle is arranged in the groove, and the upper end of the male buckle extends into the through hole and is buckled with the female buckle.
According to the flexible silica gel silver-coated electroencephalogram dry electrode, the electric connection piece is made of copper nickel plating or copper silver chloride plating.
According to the flexible silica gel silver-coated electroencephalogram dry electrode, the surface resistance of the electrode body is less than 5 omega.
Compared with the prior art, the beneficial effects of this application are as follows:
the application provides a flexible silica gel silver-coated brain electricity dry electrode, this electrode body adopts flexible silica gel as the main part, the surface spraying has the conducting silver layer that is used for gathering the regional brain electricity signal of hair, be furnished with electric connector and external circuit connection simultaneously, the electrode body is flexible and can be used for gathering the regional brain electricity of hair, this electrode can obtain reliable brain electricity signal fast, and the electric hair dry electrode has a simple structure, the advantage that convenient and comfort level of use is good, be applicable to hair or other hair regions, can solve the hair interference problem effectively, the surface contact impedance has effectively been reduced in order to obtain better measuring effect, can not bring uncomfortable and other safety problems for the user simultaneously again.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic structural diagram of a flexible silica gel silver-coated electroencephalogram dry electrode in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a bottom view of an electrode body in an embodiment of the present application.
Fig. 3 is an exploded schematic view of a flexible silicone silver coated brain dry electrode in an embodiment of the present application.
Fig. 4 is a schematic cross-sectional view of an electrode body in an embodiment of the present application.
Detailed Description
As shown in fig. 1-4, a flexible silica gel silver-coated electroencephalogram dry electrode comprises an electrode body 1 and an electric connection piece 2, wherein the electrode body 1 comprises a flexible silica gel piece 11 and a conductive silver layer 10 arranged on the surface of the flexible silica gel piece 11, and the conductive silver layer 10 is used for collecting bioelectric signals; the electric connector 2 is arranged on the electrode body 1 and is electrically connected with the conductive silver layer 10, and is used for outputting the bioelectrical signal acquired by the conductive silver layer 10.
The application provides a flexible silica gel silver-coated brain electricity dry electrode, this electrode body adopts flexible silica gel as the main part, the surface spraying has the conducting silver layer that is used for gathering the regional brain electricity signal of hair, be furnished with electric connector and external circuit connection simultaneously, the electrode body is flexible and can be used for gathering the regional brain electricity of hair, this electrode can obtain reliable brain electricity signal fast, and the electric hair dry electrode has a simple structure, the advantage that convenient and comfort level of use is good, be applicable to hair or other hair regions, can solve the hair interference problem effectively, the surface contact impedance has effectively been reduced in order to obtain better measuring effect, can not bring uncomfortable and other safety problems for the user simultaneously again.
Preferably, 11 bottom integrated into one piece of flexible silica gel spare is equipped with a plurality of downward convex electrode posts 12, and the structure of this application electrode is the pectination, and the electrode post contacts with cerebral cortex in the use, and the coating of electrically conductive silver layer is used for collecting the brain electrical signal on the electrode post 12 surface.
Preferably, the electrode column 12 is conical with a wide top and a narrow bottom, and the bottom end of the electrode column 12 is a flat surface. The electrode column is conical, the height of the electrode column is preferably 4-5mm, the diameter of a contact surface is 2-3mmm, the conical electrode column can be well contacted with the cerebral cortex through hair, the surface of the conical electrode is flat, the surface contact resistance is effectively reduced, and the electrode column is convenient, safe and comfortable.
Preferably, a plurality of electrode posts 12 are arranged in an annular array at the bottom of the flexible silica gel piece 11, can uniformly contact human scalp from a plurality of positions, preferably 8 conical electrode posts, contact with the cerebral cortex in the use process, and the metal snap fasteners are tightly contacted with the silver layer of the electrode body.
Preferably, the flexible silica gel piece 11 is made of medical silica gel, the hardness of the flexible silica gel piece is 15-25A, the flexible silica gel piece is preferably low-hardness medical silica gel with biocompatibility, the surface of the formed medical silica gel needs to be smooth and burr-free, the texture is soft and elastic, the flexible silica gel piece can be well attached to the skin, and the flexible silica gel piece is comfortable and safe.
Preferably, conductive silver layer 10 coat in through the spraying mode 11 surfaces of flexible silica gel spare, through the good silver layer of surface adhesion one deck electric conductivity at medical silica gel, the silver layer is attached to the silica gel surface after the mode solidification through the spraying, and it is even to require the spraying, and the lacquer painting after the solidification is level and smooth, and thickness is even, and the paint of spraying is water-based metallic paint for gather the regional brain electrical signal of hair.
Preferably, the thickness of the conductive silver layer 10 is 3-10 um. The formed silver layer is firmly attached to the surface of the medical silica gel, the resin in the metal paint is water-based polyester resin, water is used as a solvent, the metal paint is more environment-friendly and safer than other solvent-based paints, the metal paint with high solid content is adopted to ensure the thickness of the finished silver layer, the adhesive force is good, and the resistance of an electrode body is low.
Preferably, a through hole 13 is formed in the electrode body 1, and a groove 14 is formed in the lower end of the through hole 13; the electric connector 2 is a metal snap fastener and comprises a female buckle 21 and a male buckle 22 which are respectively positioned at the upper side and the lower side of the through hole 13, wherein the male buckle 22 is arranged in the groove 14, and the upper end of the male buckle extends into the through hole 13 and is buckled with the female buckle 21. The provision of the through holes 13 and the recesses 14 ensures that the metal snap fasteners are in close contact with the coating of the electrode body, which facilitates better electrical signal transmission.
Preferably, the electric connector 2 is made of copper nickel plating or copper silver chloride plating. The device is used for externally connecting detection equipment and externally outputting the electric signals collected by the conductive silver layer.
Preferably, the surface resistance of the electrode body 1 is less than 5 Ω. The surface contact resistance can be effectively reduced to obtain better measurement effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a flexible silica gel silvering brain electricity dry electrode which characterized in that includes:
the electrode comprises an electrode body (1) and a conductive silver layer (10), wherein the electrode body comprises a flexible silica gel piece (11) and the conductive silver layer (10) is arranged on the surface of the flexible silica gel piece (11), and the conductive silver layer (10) is used for collecting bioelectricity signals;
the electric connector (2) is arranged on the electrode body (1), is electrically connected with the conductive silver layer (10) and is used for outputting the bioelectrical signals collected by the conductive silver layer (10).
2. The flexible silica gel silver-coated brain dry electrode according to claim 1, characterized in that: and a plurality of electrode columns (12) protruding downwards are integrally formed at the bottom of the flexible silica gel piece (11).
3. The flexible silica gel silver-coated brain dry electrode according to claim 2, characterized in that: the electrode column (12) is in a conical shape with a wide upper part and a narrow lower part, and the bottom end of the electrode column (12) is a flat surface.
4. The flexible silica gel silver-coated brain dry electrode according to claim 2 or 3, characterized in that: the electrode columns (12) are arranged at the bottom of the flexible silica gel part (11) in an annular array.
5. The flexible silica gel silver-coated brain dry electrode according to claim 1, characterized in that: the flexible silica gel piece (11) is made of medical silica gel, and the hardness of the flexible silica gel piece is 15-25A.
6. The flexible silica gel silver-coated brain dry electrode according to claim 1, characterized in that: the conductive silver layer (10) is coated on the surface of the flexible silica gel piece (11) in a spraying mode.
7. The flexible silica gel silver-coated brain dry electrode according to claim 1 or 6, characterized in that: the thickness of the conductive silver layer (10) is 3-10 um.
8. The flexible silica gel silver-coated brain dry electrode according to claim 1, characterized in that: a through hole (13) is formed in the electrode body (1) in a penetrating mode, and a groove (14) is formed in the lower end of the through hole (13);
the electric connector (2) is a metal snap fastener and comprises a female buckle (21) and a male buckle (22) which are respectively positioned at the upper side and the lower side of the through hole (13), wherein the male buckle (22) is arranged in the groove (14), and the upper end of the male buckle extends into the through hole (13) and is buckled with the female buckle (21).
9. The flexible silica gel silver-coated brain dry electrode according to claim 1 or 8, characterized in that: the electric connecting piece (2) is made of copper nickel plating or copper silver chloride plating.
10. The flexible silica gel silver-coated brain dry electrode according to claim 1, characterized in that: the surface resistance of the electrode body (1) is less than 5 omega.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122079194.7U CN215959906U (en) | 2021-08-31 | 2021-08-31 | Flexible silica gel silver-coated electroencephalogram dry electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122079194.7U CN215959906U (en) | 2021-08-31 | 2021-08-31 | Flexible silica gel silver-coated electroencephalogram dry electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215959906U true CN215959906U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122079194.7U Active CN215959906U (en) | 2021-08-31 | 2021-08-31 | Flexible silica gel silver-coated electroencephalogram dry electrode |
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| CN (1) | CN215959906U (en) |
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2021
- 2021-08-31 CN CN202122079194.7U patent/CN215959906U/en active Active
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