CN204909429U - Biological electricity signal transducer - Google Patents
Biological electricity signal transducer Download PDFInfo
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- CN204909429U CN204909429U CN201520598380.3U CN201520598380U CN204909429U CN 204909429 U CN204909429 U CN 204909429U CN 201520598380 U CN201520598380 U CN 201520598380U CN 204909429 U CN204909429 U CN 204909429U
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Abstract
The utility model relates to a biological electricity signal transducer, it includes an electrode tip that has stylostome and connector, an electrode body that has the cavity, there is the sealing member this cavity upper end, also has the electrolyte, and the electrode switches on with the electrolyte, the electrode tip is made for flexible material, the stylostome middle part is equipped with has mipor electrolyte infiltration core for make the electrolyte ooze to the stylostome tip through this micropore. The utility model discloses the advantage is: sensor structure is reasonable, easily makes, and the electrode tip can be replaced, the flexible column pipe middle part of this electrode tip has independent porous infiltration core mutually, and the electrode is good with skin exposure, and the electrode impedance is stable, and measurement accuracy is high, improves and wears the comfort level.
Description
Technical field
This utility model relates to bioelectrical signals sensor, this bioelectrical signals sensor is widely used in bio electricity record, measurement and stimulates, comprise armarium, mobile device, family health care, psychological cognition, game, brain-computer interface, rehabilitation training, neural marketing etc., especially for glue-free bioelectric measurement and wearable device.
Background technology
Along with the development of science and technology, the monitoring, diagnosing being widely used in various nervous system disease measured by bio electricity (as brain electricity, electrocardio, myoelectricity etc.), and the rehabilitation equipment of bio electricity feedback.Important laboratory facilities of EEG measuring or cognitive psychological research.In order to obtain feeble computer signals accurately, require that electrode and scalp have good contact, electrode impedance is lower and stable.EEG measuring electrode impedance General Requirements is less than 100kOhm, is preferably less than 5kOhm.For reaching satisfied measurement impedance, needing coated with conductive glue (cream) between electrode and scalp, overcoming hair to the impact of measuring.This traditional wet electrode (referring to the electrode needing conducting resinl) uses, although reach satisfied measurement impedance, there is the problems such as consuming time, uncomfortable, seriously limits range of application.
Along with the development of portable medical and health monitoring, wearable device and ambulatory medical device need the electrode supported the use without the need to coated with conductive glue badly, namely without gel electrode.This kind ofly mainly be divided into dry electrode, half-dried electrode without gel electrode, namely dry electrode does not use any electrolyte, and half-dried electrode is referred to and to be penetrated to the skin by the conducting solution (electrolyte) of trace surface by inorganic or high-molecular porous material.No matter be dry electrode or half-dried electrode, owing to not having or only leaning on electrolyte solution and the skin surface contact of trace, impedance is higher relative to gum base electrode, and impedance is more responsive by the impact of electrode contact skin.Therefore the key without gel electrode is exactly that maintenance electrode and contact skin are good, and this just proposes new challenge to the design of electrode.
Existing dry electrode technology adopts the gold-plated pillar of tubulose of rigidity, and front end end-blocking preamplifier, although this design can pass hair preferably, exists following problem: (1) electrode-skin impedance is higher, and mobile artifact is large; (2) because rigid pillars is direct and contact skin, there is stronger pain, wear uncomfortable, particularly measure for a long time.Also there is the claw-type design adopting conductive plastics to make, due to electrode-skin interface dry contact, therefore need electrode supporting to apply larger Pressure Drop low electrode-Skin Resistance, also there is pain, uncomfortable problem.
The half dry type biopotential sensor adopting porous column with the immediate prior art of this utility model, the program utilizes porous permeable post by the electrolyte osmosis in electrode chamber to skin surface to be measured, owing to there is the electrolyte solution of trace between electrode and skin, electrode-skin impedance comparatively dry type electrode is low and more stable, the mobile artifact caused is less, but due to porous permeable post be rigid material as porous ceramics, also exist wear uncomfortable situation.
Summary of the invention
The purpose of this utility model is, overcome prior art and cause the pain of receptor, uncomfortable defect in use, a kind of bioelectrical signals sensor is provided, this sensor construction is reasonable, and electrode tip is provided with multiple flexible columnar pipe, has porous permeable core in the middle part of this stylostome, electrode and skin are by electrolyte good contact, impedance stabilization, certainty of measurement is high, improves comfortable wearing degree.
The technical scheme of this utility model bioelectrical signals sensor is:
A kind of bioelectrical signals sensor, it comprises the electrode tip that has stylostome and connector, an electrode body with cavity, and there is sealing member this cavity upper end, electrolyte is filled in the stationary pipes in electrode body cavity or in sealing member or directly in cavity, electrode and electrolyte conducting; Described electrode tip is that flexible material is made, and one end is provided with multiple just to the stylostome of organism tested surface, and the other end and electrode body cavity lower end seal fixing; Being provided with the electrolyte osmosis core with micropore in the middle part of stylostome, being oozed to stylostome end by this micropore for making electrolyte.
Further technical scheme is:
Described bioelectrical signals sensor, on its electrode body cavity, end seal is seal cover; Described seal cover and electrode body are being sealedly and fixedly connected of can dismantling; Described electrode tip and electrode body cavity lower end seal in the hole of shoulder intercalation electrode body cavity lower end of the connector being fixedly electrode tip, and seal cover compresses the stationary pipes in electrode body, and this stationary pipes to be pressed on electrode tip in plane; Stationary pipes is hollow pipe, fills electrolyte in pipe.
Described bioelectrical signals sensor, on its electrode body cavity, end seal is sealing column; Described sealing column and electrode body are being sealedly and fixedly connected of can dismantling; The cylinder lower end of sealing column is pressed in the upper plane of electrode tip, fills electrolyte in the middle part of cylinder.
Described bioelectrical signals sensor, being sealedly and fixedly connected that its sealing member and electrode physical ability are dismantled is threaded.
Described bioelectrical signals sensor, its electrode body periphery also has spacer.
Described bioelectrical signals sensor, its electrode tip to be mated with electrode body lower end screw thread by securing member and is fixedly connected with; On electrode body cavity, end seal is seal cover, and sealing lid and electrode body are that thread seal is fixedly connected with, and seal cover and electrode body respectively have at least 2 pairs of spacers; End seal or be one-time formed entirety on electrode body and cavity.
Described bioelectrical signals sensor, its stylostome is cylindric, or cone column; Stylostome has 2 at least, and is evenly distributed on the end face centered by the electrode tip end face centre of form.
Described bioelectrical signals sensor, its connector and electrode body are an entirety, and stylostome is evenly distributed on the end face centered by the electrode body end face centre of form; That electrode body cavity inner wall has painting or plate conductive layer.
Described bioelectrical signals sensor, its electrode is soak conductor in the electrolyte, or conductive layer, this conductive layer be electrode body cavity inner wall or stationary pipes inwall or sealing column inwall or conductive layer on electrode tip in plane, the electrode wires on this conductive layer is connected with external circuit.
This utility model beneficial effect is remarkable:
1. the bioelectrical signals sensor that provides of this utility model and made electrical signal collection device, electrode tip is provided with at least 2 flexible columnar pipes, there is in the middle part of stylostome mutual independently porous permeable core, electrode by electrolyte and contact skin good, electrode impedance is stablized, certainty of measurement is high, overcomes prior art directly by rigid permeable stigma pain, uncomfortable defects such as porous ceramicss, improves comfortable wearing degree significantly.
2. electrode body and sealing member are being fixedly connected with of can dismantling, and conveniently inject electrolyte solution and later period maintenance inspection, and simply taking off sealing member can change electrode and electrode tip.This can dismounting connects, and electrode tip can become disposable consumptive material.In addition, sealing member adopts soft rubber material, by syringe needle through seal face, and just can electrolyte supplement solution.
3. electrode is electrically connected by the conducting element of intercalation electrode body, conducting element is connected with external circuit, compared with being directly connected with the traditional sensors of wire, sensor can become independent accessory, the position of sensor and quantity can regulate arbitrarily as required, a set of sensor can be applicable to multiple supporter, substantially increases the utilization rate of sensor.
4. electrode body inwall or stationary pipes or sealing column inboard wall of cylinder are rough surface, and facilitate the electrocondution slurry electrodes such as silver coating/silver chloride, coating tack is more stable.
Accompanying drawing explanation
Fig. 1 is the front view of biological electric signal sensor.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is that on electrode body cavity, end seal is the schematic diagram of seal cover; Electrode body and seal cover, for being threaded, extrude fixed electrode head by stationary pipes; The present embodiment electrolyte is in stationary pipes.
Fig. 4 is that on electrode body cavity, end seal is the schematic diagram of sealing column; Electrode body and sealing column, for being threaded, extrude fixed electrode head by the cylinder of sealing column; The present embodiment electrolyte is in cylinder.
The connector of Fig. 5 electrode tip and electrode body are holistic schematic diagram; Flexible stylostome is fixed in the installing hole in electrode body; Electrode body is that non-conducting material is made, and inwall has conductive layer, and this conductive layer is electrode simultaneously; The present embodiment electrolyte scribbles or is coated with in the electrode body cavity of conductive layer on inwall.
To be electrode tip by securing member mate with electrode body lower end screw thread Fig. 6 is fixedly connected with schematic diagram; The present embodiment electrolyte is in electrode body cavity.
Fig. 7 is the electrode tip schematic diagram with 5 stylostomes; Electrolyte osmosis core is sunk screw shape.
Fig. 8 is A-A sectional view of Fig. 7.
The schematic diagram of the single-piece electrical signal collection device that Fig. 9 becomes by bioelectrical signals sensor production of the present utility model.
In figure: 1-electrode tip; 1.1-stylostome; 1.2-connector; 2-electrode body; 3-electrode; 4-electrolyte; 5-electrolyte osmosis core; 6-seal cover; 7-sealing column; 7.1-cylinder; 8-stationary pipes; 9-electrode wires; 10-electrode wires exports; 11-sealing ring; 12-spacer; 13-conductive layer; 14-conducting element; 15-support belt; 15.1-connecting hole; 16-fixed block; 16.1-locating slot; 17-anti-slop serrations; 18-securing member.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
embodiment 1:it is a basic embodiment of the present utility model.As shown in drawings, a kind of bioelectrical signals sensor, it comprises the electrode tip 1 that has stylostome 1.1 and connector 1.2, an electrode body 2 with cavity, there is sealing member this cavity upper end, electrolyte 4 is filled in the stationary pipes 8 in electrode body 2 cavity or in sealing member or directly in cavity, electrode 3 and electrolyte 4 conducting; Described electrode tip 1 is made for flexible material, and one end is provided with multiple just to the stylostome 1.1 of organism tested surface, and the other end and electrode body 2 cavity lower end seal fixing; Being provided with the electrolyte osmosis core 5 with micropore in the middle part of stylostome 1.1, being oozed to stylostome 1.1 end by this micropore for making electrolyte 4.
embodiment 2:it is further embodiment.As shown in figures 1-8, on embodiment 1 basis, described bioelectrical signals sensor, being sealedly and fixedly connected that its sealing member and electrode body 2 can be dismantled is threaded.Electrode body 2 periphery also has spacer 12.Described stylostome 1.1 is cylindrical, or cone cylindricality; Stylostome 1.1 has 2 at least, and is evenly distributed on the end face centered by the electrode tip 1 end face centre of form.Described electrode 3 is for being immersed in the conductor in electrolyte 4, or conductive layer 13, this conductive layer 13 be electrode body 2 cavity inner wall or stationary pipes 8 inwall or sealing column 7 inwall or conductive layer 13 on electrode tip 1 in plane, the electrode wires 9 on this conductive layer 13 is connected with external circuit.Described electrolyte osmosis core 5 is porous ceramics, or porous gel, or aerated plastics, or liquid absorption sponge, or liquid sucting fiber, or imbibition fabric; Described electrode tip 1 flexible material is soft silica gel, or soft rubber, or flexible plastic; Described sealing member is that soft rubber is made; Described electrolyte 4 is conducting liquid, or/and conducting resinl.Described porous permeable core 5 is cylindrical as shown in Figure 5, or cone cylindricality, or sunk screw shape as shown in Figure 7,8.The electrolyte osmosis core of sunk screw shape, electrolyte upstream end area is comparatively large, and penetrating power is stronger, is more conducive to reducing impedance.
embodiment 3:it is further embodiment.As shown in Figure 3, on embodiment 1 basis, described bioelectrical signals sensor, on its electrode body 2 cavity, end seal is seal cover 6; Described seal cover 6 and electrode body 2 are being sealedly and fixedly connected of dismantling; Described electrode tip 1 and electrode body 2 cavity lower end seal in the hole of shoulder intercalation electrode body 2 cavity lower end of the connector 1.2 being fixedly electrode tip 1, and seal cover 6 compresses the stationary pipes 8 in electrode body 2, and this stationary pipes 8 to be pressed on electrode tip 1 in plane; Stationary pipes 8 is hollow pipe, fills electrolyte 4 in pipe.Described seal cover is that soft rubber is made.Being sealedly and fixedly connected that described seal cover 6 and electrode body 2 can be dismantled is threaded, and can also be tight fit connection or clamping.
Advantage is: electrode body and seal cover are the connection that can dismantle, and convenient injection electrolyte solution and later period maintenance inspection, simply taking off seal cover can change electrode and electrode tip.This can dismounting connects, and electrode tip can become disposable consumptive material.In addition seal cover adopts soft rubber material, by syringe needle through seal cover, and electrolyte supplement solution of being also more convenient for.Electrode tip is independently medical disposable material, is convenient for changing and safeguards.
embodiment 4:it is further embodiment.As shown in Figure 4, on embodiment 1 basis, described bioelectrical signals sensor, on its electrode body 2 cavity, end seal is sealing column 7; Described sealing column 7 and electrode body 2 are being sealedly and fixedly connected of dismantling; Cylinder 7.1 lower end of sealing column 7 is pressed in the upper plane of electrode tip 1, fills electrolyte 4 in the middle part of cylinder 7.1.Being sealedly and fixedly connected that described sealing column 7 and electrode body 2 can be dismantled is threaded, and can also be tight fit connection or clamping.Electrode tip is independently medical disposable material, is convenient for changing and safeguards.
embodiment 5:it is further embodiment.As shown in Figure 6, on embodiment 1 basis, electrode tip 1 to be mated with electrode body 2 lower end screw thread by securing member 18 and is fixedly connected with; On electrode body 2 cavity, end seal is seal cover 6, sealing lid 6 with electrode body 2 for thread seal is fixedly connected with; Seal cover 6 and electrode body 2 respectively there are at least 2 pairs of spacers 12.This can dismounting connects, and electrode tip can become disposable consumptive material.In addition seal cover adopts soft rubber material, by syringe needle through seal cover, and electrolyte supplement solution of being also more convenient for.Electrode tip is independently medical disposable material, is convenient for changing and safeguards; End seal or be one-time formed entirety on electrode body (2) and cavity, on the cavity of namely electrode body 2, end seal is the Integratively formed end socket of electrode body 2, and namely seal cover and electrode body 2 are integrated.
embodiment 6:it is further embodiment.As shown in Figure 5, on embodiment 1 basis, described bioelectrical signals sensor, its connector 1.2 and electrode body 2 are an entirety, and stylostome 1.1 is evenly distributed on the end face centered by the electrode body 2 end face centre of form; Electrode tip 1 and electrode body 2 are made up of conductive material or non-conducting material; That electrode body 2 cavity inner wall has painting or plate conductive layer 13.
embodiment 7:it is further embodiment.As shown in Figure 5, on embodiment 1 basis, described bioelectrical signals sensor, its electrode 3 connection electrode line 9, or be connected with external circuit by the conducting element 14 in intercalation electrode body 2.Compared with being directly connected with the traditional sensors of wire, sensor can become independent accessory, and the position of sensor and quantity can regulate arbitrarily as required, and a set of sensor can be applicable to multiple supporter, substantially increase the utilization rate of sensor.
It is the single-piece electrical signal collection device become by this utility model bioelectrical signals sensor production shown in Fig. 9, it comprises described electric signal sensor, also have the fixed block 16 for fixed telecommunication sensor, the locator card 12 outside sensor, and for the support belt 15 fixing with organism.
Single-piece electrical signal collection device: electric signal sensor is inserted in the centre bore of fixed block 16, and locator card 12 is snapped in the locating slot 16.1 on fixed block 16; Support belt 15 one end penetrates in the connecting hole 15.1 on fixed block 16, through fixing composition single-piece electrical signal collection device.
Combined electrical signal pickup assembly: support belt 15 other end of multiple single-piece electrical signal collection device is combined into the combined electrical signal pickup assembly adapted with organism by purposes serial or parallel connection or interconnection.Described combined electrical signal pickup assembly is the electrical signal collection cap of Wearable, can also be bandage, or vest.
Claims of the present utility model is not limited to above-described embodiment.
Claims (9)
1. a bioelectrical signals sensor, it is characterized in that, it comprises the electrode tip (1) that has stylostome (1.1) and connector (1.2), an electrode body (2) with cavity, there is sealing member this cavity upper end, electrolyte (4) is filled in the stationary pipes (8) in electrode body (2) cavity or in sealing member or directly in cavity, electrode (3) and electrolyte (4) conducting; Described electrode tip (1) is made for flexible material, and one end is provided with multiple just to the stylostome (1.1) of organism tested surface, and the other end and electrode body (2) cavity lower end seal fixing; Stylostome (1.1) middle part is provided with the electrolyte osmosis core (5) with micropore, is oozed to stylostome (1.1) end by this micropore for making electrolyte (4).
2. bioelectrical signals sensor according to claim 1, is characterized in that, on described electrode body (2) cavity, end seal is seal cover (6); Described seal cover (6) and electrode body (2) are being sealedly and fixedly connected of dismantling; Described electrode tip (1) and electrode body (2) cavity lower end seal in the hole of shoulder intercalation electrode body (2) the cavity lower end of the connector (1.2) being fixedly electrode tip (1), seal cover (6) compresses the stationary pipes (8) in electrode body (2), and this stationary pipes (8) is pressed in the upper plane of electrode tip (1); Stationary pipes (8) is hollow pipe, fills electrolyte (4) in pipe.
3. bioelectrical signals sensor according to claim 1, is characterized in that, on described electrode body (2) cavity, end seal is sealing column (7); Described sealing column (7) and electrode body (2) are being sealedly and fixedly connected of dismantling; Cylinder (7.1) lower end of sealing column (7) is pressed in the upper plane of electrode tip (1), and electrolyte (4) is filled at cylinder (7.1) middle part.
4. the bioelectrical signals sensor according to claim 1 or 2 or 3, is characterized in that, being sealedly and fixedly connected that described sealing member and electrode body (2) can be dismantled is threaded.
5. bioelectrical signals sensor according to claim 1, is characterized in that, electrode body (2) periphery also has spacer (12).
6. bioelectrical signals sensor according to claim 5, is characterized in that, described electrode tip (1) to be mated with electrode body (2) lower end screw thread by securing member (18) and is fixedly connected with; On electrode body (2) cavity, end seal is seal cover (6), and sealing lid (6) for thread seal is fixedly connected with, seal cover (6) and electrode body (2) respectively has at least 2 pairs of spacers (12) with electrode body (2); End seal or be one-time formed entirety on electrode body (2) and cavity.
7. bioelectrical signals sensor according to claim 1, is characterized in that, described stylostome (1.1) is for cylindric, or cone column; Stylostome (1.1) has 2 at least, and is evenly distributed on the end face centered by electrode tip (1) the end face centre of form.
8. bioelectrical signals sensor according to claim 1, is characterized in that, connector (1.2) and the electrode body (2) of electrode tip (1) are an entirety, and stylostome (1.1) is evenly distributed on the end face centered by electrode body (2) the end face centre of form; That electrode body (2) cavity inner wall has painting or plate conductive layer (13).
9. bioelectrical signals sensor according to claim 1, it is characterized in that, described electrode (3) is for being immersed in the conductor in electrolyte (4), or conductive layer (13), this conductive layer (13) be electrode body (2) cavity inner wall or stationary pipes (8) inwall or sealing column (7) inwall or conductive layer (13) in the upper plane of electrode tip (1), the electrode wires (9) on this conductive layer (13) is connected with external circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598380.3U CN204909429U (en) | 2015-08-11 | 2015-08-11 | Biological electricity signal transducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520598380.3U CN204909429U (en) | 2015-08-11 | 2015-08-11 | Biological electricity signal transducer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105011926A (en) * | 2015-08-11 | 2015-11-04 | 苏州格林泰克科技有限公司 | Bio-electrical signal sensor and method using sensor for manufacturing electric signal collecting device |
| CN110072450A (en) * | 2018-02-28 | 2019-07-30 | 北京布润科技有限责任公司 | A kind of bioelectricity acquisition electrode and brain wave acquisition cap |
| CN112089416A (en) * | 2020-09-14 | 2020-12-18 | 中国人民解放军陆军军医大学第一附属医院 | Ground electrode for electromyogram |
-
2015
- 2015-08-11 CN CN201520598380.3U patent/CN204909429U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105011926A (en) * | 2015-08-11 | 2015-11-04 | 苏州格林泰克科技有限公司 | Bio-electrical signal sensor and method using sensor for manufacturing electric signal collecting device |
| CN105011926B (en) * | 2015-08-11 | 2018-05-04 | 苏州格林泰克科技有限公司 | A kind of bioelectrical signals sensor and its method for making electrical signal collection device |
| CN110072450A (en) * | 2018-02-28 | 2019-07-30 | 北京布润科技有限责任公司 | A kind of bioelectricity acquisition electrode and brain wave acquisition cap |
| CN112089416A (en) * | 2020-09-14 | 2020-12-18 | 中国人民解放军陆军军医大学第一附属医院 | Ground electrode for electromyogram |
| CN112089416B (en) * | 2020-09-14 | 2024-03-01 | 中国人民解放军陆军军医大学第一附属医院 | Ground wire electrode for electromyography |
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