CN203350284U - Body capacitance sensing electrode - Google Patents
Body capacitance sensing electrode Download PDFInfo
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- CN203350284U CN203350284U CN 201320287178 CN201320287178U CN203350284U CN 203350284 U CN203350284 U CN 203350284U CN 201320287178 CN201320287178 CN 201320287178 CN 201320287178 U CN201320287178 U CN 201320287178U CN 203350284 U CN203350284 U CN 203350284U
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- aluminum foil
- conductive aluminum
- insulator
- sensing electrode
- capacitance sensing
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Abstract
The utility model discloses a body capacitance sensing electrode. The body capacitance sensing electrode comprises a conductive aluminum foil; the conductive aluminum foil is used for being in electrical connection with an external sensing power supply; the body capacitance sensing electrode also comprises a second insulator stacked on the upper side of the conductive aluminum foil, and a first insulator stacked on the lower side of the conductive aluminum foil; and the conductive aluminum foil is sealed in sealed space by the first insulator and the second insulator. According to the utility model, the double-face seal insulation conductive aluminum foil is used as a sensing electrode; the conductive aluminum foil which is lower in cost is used, and the double-face seal insulation technology is used, so the conductive conductor is free from influence of temperature and humidity environment of external air; and a problem of oxidation corrosion caused by influence of inner environment of a sensor is avoided, i.e., by taking advantage of a physical characteristic that the surface of a foil is easy to naturally passivate, the problem of the oxidation corrosion is further avoided.
Description
Technical field
The utility model relates to the automotive seat technical field, more particularly, relates to a kind of body capacitance sensing electrode.
Background technology
Along with developing rapidly of Hyundai Motor safety technique, the safeguard protection of automotive occupant protection need to be carried out human body and exist and the arrangement for detecting taken.This type of capacitance human body sensor arises at the historic moment, the disclosed a kind of passenger riding recognition device of the Chinese patent that this type of human sensing technology can be 201210407385.4 referring to application number and method and body capacitance sensing electrode.By the identification to the automotive occupant human body, can realize passenger protection more accurately, can realize higher occupant safety guarantee during vehicle collision accident.
The sense electrode structure of the sensing technology of occupant's recognition system in the past, be adopted as the conductive film that the printed coating technology of expensive metal materials such as silver slurry, silver-colored carbon synthetic pulp is produced usually.The one side cost costliness that this type of technology is produced, restricted the application popularization of product; On the other hand, be easy to be subject to the impact of sensor internal environmental baseline and problem that oxidation corrosion occurs.Simultaneously, complicated production technology also causes the output efficiency of product low, the problem that rejection rate is high.
Therefore, how to reduce the application cost of sensor, and make sensing conductor not be vulnerable to the impact of extraneous air humiture environment, the problem of also having avoided better being subject to the impact of sensor internal environmental baseline and oxidation corrosion occurring is the current technical issues that need to address of those skilled in the art.
The utility model content
In view of this, the utility model provides a kind of body capacitance sensing electrode, to reduce the application cost of sensor, and make sensing conductor not be vulnerable to the impact of extraneous air humiture environment, also avoided better being subject to the impact of sensor internal environmental baseline and problem that oxidation corrosion occurs.
For achieving the above object, the utility model provides following technical scheme:
A kind of body capacitance sensing electrode comprises:
Conductive aluminum foil, described conductive aluminum foil is for being connected with the external sense power sourced electric;
Be laminated in the second insulator of described conductive aluminum foil upside;
Be laminated in the first insulator of described conductive aluminum foil downside, described the first insulator and described the second insulator are enclosed in described conductive aluminum foil in airtight space.
Preferably, in above-mentioned body capacitance sensing electrode, described conductive aluminum foil is the capacity plate antenna pole plate.
Preferably, in above-mentioned body capacitance sensing electrode, described the first insulator is one or more insulation films made in polyester, polycarbonate and polyimide.
Preferably, in above-mentioned body capacitance sensing electrode, described conductive aluminum foil, by the mode that covers or paste, is attached on described the first insulator.
Preferably, in above-mentioned body capacitance sensing electrode, described the second insulator is insulating gel or the insulation coating paint that is coated in described conductive aluminum foil upside.
Preferably, in above-mentioned body capacitance sensing electrode, described the second insulator is one or more insulation films made in polyester, polycarbonate and polyimide.
Can find out that from above-mentioned technical scheme the body capacitance sensing electrode that the utility model provides adopts the conductive aluminum foil of two-sided sealing insulation as sensing electrode.By adopting the more cheap conductive aluminum foil of cost, the two-sided sealing insulation technology application of sensing conductor aluminium foil, make sensing conductor not be vulnerable to the impact of extraneous air humiture environment, also avoided better being subject to the impact of sensor internal environmental baseline and problem that oxidation corrosion occurs.Be appreciated that the surface that utilizes aluminium foil is easy to occur the physical characteristics of nature passivation, also the problem of oxidation corrosion has been avoided in strengthening.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The cross-sectional view of the body capacitance sensing electrode that Fig. 1 provides for the utility model embodiment;
The structural representation of the body capacitance sensing electrode that Fig. 2 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of body capacitance sensing electrode, to reduce the application cost of sensor, and make sensing conductor not be vulnerable to the impact of extraneous air humiture environment, also avoided better being subject to the impact of sensor internal environmental baseline and problem that oxidation corrosion occurs.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the cross-sectional view of the body capacitance sensing electrode that Fig. 1 provides for the utility model embodiment; The structural representation of the body capacitance sensing electrode that Fig. 2 provides for the utility model embodiment.
The body capacitance sensing electrode that the utility model embodiment provides, comprise conductive aluminum foil 10, the second insulator 30 and the first insulator 20.
The body capacitance sensing electrode that the utility model provides, adopt the conductive aluminum foil of two-sided sealing insulation as sensing electrode.By adopting the more cheap conductive aluminum foil of cost, the two-sided sealing insulation technology application of sensing conductor aluminium foil, make sensing conductor not be vulnerable to the impact of extraneous air humiture environment, also avoided better being subject to the impact of sensor internal environmental baseline and problem that oxidation corrosion occurs.Be appreciated that the surface that utilizes aluminium foil is easy to occur the physical characteristics of nature passivation, also the problem of oxidation corrosion has been avoided in strengthening.
Further, described conductive aluminum foil 10 is the capacity plate antenna pole plate, can carry out the electrical couplings sensing to outside human body, also can be to such as the earth, vehicle body metal equipotential body and object various and that there is the capacitive coupling relation between it, forming the capacitance sensing relation.
Further, described the first insulator 20 one or more insulation films of making in polyester, polycarbonate and polyimide.Described conductive aluminum foil 10, by the mode that covers or paste, is attached on described the first insulator 20.Described the second insulator 30 one or more insulation films of making in polyester, polycarbonate and polyimide.It is favourable by the conductive material layer, being enclosed between two insulators.It can prevent from being subject to the disturbing effect of the dielectric property variation that between two capacitor plates, the space medium layer is subject to causing such as air humidity varies effectively.
Further, described the second insulator 30 is coated in insulating gel or the insulation coating paint of described conductive aluminum foil 10 upsides.
During explained hereafter, adhere to the first insulator 20 of conductive aluminum foil 10 when materials processing, can adopt modes such as electrochemical erosion method, cutting etching method, conductive aluminum foil 10 is processed to certain pattern.The sensing electrode pattern that this aluminium foil pattern can be used as the body capacitance sensing unit of sensor exists.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a body capacitance sensing electrode, is characterized in that, comprising:
Conductive aluminum foil (10), described conductive aluminum foil (10) is for being connected with the external sense power sourced electric;
Be laminated in second insulator (30) of described conductive aluminum foil (10) upside;
Be laminated in first insulator (20) of described conductive aluminum foil (10) downside, described the first insulator (20) and described the second insulator (30) are enclosed in described conductive aluminum foil (10) in airtight space.
2. body capacitance sensing electrode as claimed in claim 1, is characterized in that, described conductive aluminum foil (10) is the capacity plate antenna pole plate.
3. body capacitance sensing electrode as claimed in claim 1, is characterized in that, described the first insulator (20) is a kind of insulation film of making in polyester, polycarbonate and polyimide.
4. body capacitance sensing electrode as claimed in claim 1, is characterized in that, described conductive aluminum foil (10), by the mode that covers or paste, is attached on described the first insulator (20).
5. body capacitance sensing electrode as claimed in claim 1, is characterized in that, insulating gel or the insulation coating paint of described the second insulator (30) for being coated in described conductive aluminum foil (10) upside.
6. body capacitance sensing electrode as claimed in claim 1, is characterized in that, described the second insulator (30) is a kind of insulation film of making in polyester, polycarbonate and polyimide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287178 CN203350284U (en) | 2013-05-23 | 2013-05-23 | Body capacitance sensing electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287178 CN203350284U (en) | 2013-05-23 | 2013-05-23 | Body capacitance sensing electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203350284U true CN203350284U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320287178 Expired - Fee Related CN203350284U (en) | 2013-05-23 | 2013-05-23 | Body capacitance sensing electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203350284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982666A (en) * | 2015-02-12 | 2016-10-05 | 中国科学院上海高等研究院 | Ear-wearing type brain wave collecting system |
| CN105989362A (en) * | 2015-03-23 | 2016-10-05 | 辛纳普蒂克斯公司 | Capacitive sensing assembly including a thin film plastic |
-
2013
- 2013-05-23 CN CN 201320287178 patent/CN203350284U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982666A (en) * | 2015-02-12 | 2016-10-05 | 中国科学院上海高等研究院 | Ear-wearing type brain wave collecting system |
| CN105989362A (en) * | 2015-03-23 | 2016-10-05 | 辛纳普蒂克斯公司 | Capacitive sensing assembly including a thin film plastic |
| CN105989362B (en) * | 2015-03-23 | 2021-12-14 | 辛纳普蒂克斯公司 | Capacitive sensing assembly comprising thin film plastic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131218 |