CN109724631A - A kind of new-type kicking sensor capacitive sensing band - Google Patents
A kind of new-type kicking sensor capacitive sensing band Download PDFInfo
- Publication number
- CN109724631A CN109724631A CN201910107755.4A CN201910107755A CN109724631A CN 109724631 A CN109724631 A CN 109724631A CN 201910107755 A CN201910107755 A CN 201910107755A CN 109724631 A CN109724631 A CN 109724631A
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- Prior art keywords
- twisted pair
- shielded twisted
- capacitive sensing
- shielded
- sensing band
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 3
- 230000003071 parasitic effect Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Abstract
The invention discloses a kind of new-type kicking sensor capacitive sensing bands, it includes two Shielded Twisted Pairs, one end of two conductors in every Shielded Twisted Pair is connected respectively to two electrodes being connected on pcb board, ground wire connection in the other end and Shielded Twisted Pair of two conductors in every Shielded Twisted Pair, while capacitive sensing band is connected to form with the shielded layer in Shielded Twisted Pair.This programme constitutes kicking sensor capacitive sensing band using two Shielded Twisted Pairs, can effectively reduce inner layer metal and there is the parasitic capacitance generated, greatly improve capacitor strap performance.
Description
Technical field
The present invention relates to kicking sensor technologies, and in particular to capacitive sensing band in kicking sensor.
Background technique
With the development of automotive electronic technology, having in terms of comfort while people use automobile as the vehicles
Increasingly higher demands, various convenient and practical products come into being.Due to the energy-efficient side of condenser type kicking sensor
Just property is increasingly welcome by people.
The kicking sensor of mainstream is the movement for bringing perception people's foot to kick with two capacitive sensings at present.And the choosing of capacitor strap
It selects mainly based on coaxial cable, coaxial cable has the disadvantage in that as capacitive sensing band
1) since its diameter is thicker, when being weldingly connected with pcb board, it is not easy to it welds, and is easy to cause Pad off,
Complex process.
2) coaxial cable of automotive grade due to its demand it is few, price is costly.
3) inner copper core bring parasitic capacitance can reduce capacitor strap performance.
Summary of the invention
Use coaxial cable to be used as the problems of capacitive sensing band in existing kicking sensor, need it is a kind of newly
Kicking sensor capacitor induction band scheme.
For this purpose, the purpose of the present invention is to provide a kind of new-type kicking sensor capacitive sensing bands, to overcome the prior art
The problems of.
In order to achieve the above object, new-type kicking sensor capacitive sensing band provided by the invention, including two shieldings are double
Twisted wire, one end of two conductors in every Shielded Twisted Pair are connected respectively to foot and kick two electrodes being connected on module pcb board,
In the other end and Shielded Twisted Pair of two conductors in every Shielded Twisted Pair ground wire connection, while in Shielded Twisted Pair
Shielded layer be connected to form capacitive sensing band.
Further, insulating layer is coated on the conductor in Shielded Twisted Pair.
Further, in every Shielded Twisted Pair two conductors one end, by connector be connected on pcb board be connected
Two electrodes.
Further, the end of every Shielded Twisted Pair, two conductors are connected with ground wire.
Further, the shielded layer in Shielded Twisted Pair is coated on conductor and ground wire periphery.
Further, the shielded layer in Shielded Twisted Pair is foil shielding layer.
This programme constitutes kicking sensor capacitive sensing band using two Shielded Twisted Pairs, can effectively reduce internal layer
There is the parasitic capacitance generated in metal, greatly improve capacitor strap performance.
Furthermore it constitutes two conductors in the Shielded Twisted Pair of kicking sensor capacitive sensing band and has insulated hull, and is relatively thin,
It can match with the higher connector of existing waterproofing grade, save production cost, it is simple and convenient.
Furthermore the Shielded Twisted Pair for constituting kicking sensor capacitive sensing band is standard harness common on vehicle, vehicle rule
Cost is relatively low for grade harness.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the composition schematic diagram of Shielded Twisted Pair in this example；
Fig. 2 is the composition schematic diagram of capacitive sensing band in this example.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
For the problems of kicking sensor capacitive sensing band, this reality are constituted using coaxial cable in the prior art
The use Shielded Twisted Pair of example innovation constitutes kicking sensor capacitive sensing band.
As an example, the Shielded Twisted Pair applied in preferably two automobiles in this example constitutes kicking sensor capacitor sense
It should band.
On this basis, one end of two conductors in every Shielded Twisted Pair is connected respectively to foot and kicks on module pcb board
Two connected electrodes；And the other end of two conductors in every Shielded Twisted Pair is connect with the ground wire in the Shielded Twisted Pair
(as welded), does not have insulating layer based on ground outside, was connected originally with the shielded layer of outer layer, so that the two of Shielded Twisted Pair
Root conductor, which is realized, is connected to form capacitive sensing band with the shielded layer in Shielded Twisted Pair.
Thus the kicking sensor capacitive sensing band constituted effectively reduces inner layer metal and there is the parasitic capacitance generated, mentions
High capacitive sensing band performance；Cost can be reduced simultaneously, and realizes simple process, it is easy to use.
For above scheme hereinafter, being illustrated by a specific application example.
Referring to Fig. 1 which shows the knot for the Shielded Twisted Pair for kicking sensor capacitive sensing band that this example uses
Structure schematic diagram.
As seen from the figure, the Shielded Twisted Pair 10 is mainly by two conductors 11,12, a ground wire 13 and foil shielding layer
14 cooperations are constituted.
Wherein, the outside of the first partial conductor 11 and the second conductor 12 has been respectively coated by insulating layer 15,16.As an example, should
Insulating layer 15,16 can be made of insulating trip.
First partial conductor 11 of such structure and the second conductor 12 hingedly form core, while coating in the outside of the core
There is foil shielding layer 14.
On this basis, ground wire 13 is arranged in the gap between core and foil shielding layer 14, and with foil shielding layer 14
It is attached.
Finally, restrictive coating 17 is coated in the outside of foil shielding layer 14, to further increase the performance of Shielded Twisted Pair.
Referring to fig. 2, kicking sensor capacitive sensing band, two screens are constituted in this example using two Shielded Twisted Pairs 10
Twisted pair 10 is covered to be set side by side.
Matched, four electrodes 21 are designed on pcb board 20, are connected two-by-two between this four electrodes 21, are divided into two groups.
In this example, one end of conductor is using the electrode 21 in connector mode and pcb board in two Shielded Twisted Pairs 10
It is attached.
Specifically, the top as capacitive sensing band, one end point of two conductors 11,12 in every Shielded Twisted Pair 10
Not Tong Guo connector 30 be connected on pcb board 20 be connected two electrodes 21, form a capacitive sensing band.
Production craft step can effectively be simplified in this way, improve waterproofing grade；Have on existing market and conductor width
Corresponding waterproof connector saves production cost without being opened customization.
Further, the other end of two conductors in the end as capacitive sensing band, every Shielded Twisted Pair 10
Directly weld together with the ground wire in the Shielded Twisted Pair, is then connect with the foil shielding layer 14 in this in Shielded Twisted Pair
Together as capacitive sensing band.It is possible thereby to reduce parasitic capacitance, enhance induction.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. new-type kicking sensor capacitive sensing band, which is characterized in that including two Shielded Twisted Pairs, in every Shielded Twisted Pair
One end of two conductors be connected respectively to foot and kick two electrodes being connected on module pcb board, two in every Shielded Twisted Pair
Ground wire connection in the other end and Shielded Twisted Pair of root conductor, while capacitor is connected to form with the shielded layer in Shielded Twisted Pair
Induction band.
2. kicking sensor capacitive sensing band according to claim 1, which is characterized in that on the conductor in Shielded Twisted Pair
It is coated with insulating layer.
3. kicking sensor capacitive sensing band according to claim 1, which is characterized in that two in every Shielded Twisted Pair
One end of conductor is connected to two electrodes being connected on pcb board by connector.
4. kicking sensor capacitive sensing band according to claim 1, which is characterized in that the end of every Shielded Twisted Pair
End, two conductors are connected with ground wire.
5. kicking sensor capacitive sensing band according to claim 1, which is characterized in that the shielded layer in Shielded Twisted Pair
It is coated on conductor and ground wire periphery.
6. kicking sensor capacitive sensing band according to claim 1, which is characterized in that the shielded layer in Shielded Twisted Pair
For foil shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107755.4A CN109724631B (en) | 2019-02-02 | 2019-02-02 | Novel capacitive sensing belt of foot-kicking sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107755.4A CN109724631B (en) | 2019-02-02 | 2019-02-02 | Novel capacitive sensing belt of foot-kicking sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109724631A true CN109724631A (en) | 2019-05-07 |
| CN109724631B CN109724631B (en) | 2024-02-27 |
Family
ID=66301486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107755.4A Active CN109724631B (en) | 2019-02-02 | 2019-02-02 | Novel capacitive sensing belt of foot-kicking sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109724631B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030071639A1 (en) * | 2001-10-17 | 2003-04-17 | Haag Ronald Helmut | Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor |
| CN202092768U (en) * | 2011-04-14 | 2011-12-28 | 中国特种设备检测研究院 | High temperature resistant and capacitive sensor with double shielding layers |
| CN102565588A (en) * | 2012-01-14 | 2012-07-11 | 天津大学 | On-line monitoring method used for high-voltage XLPE (Cross Linked Polyethylene) cable |
| CN204028288U (en) * | 2014-08-08 | 2014-12-17 | 国家电网公司 | The checkout equipment of cable local discharge and capacitive coupled sensors |
| CN205706533U (en) * | 2016-04-27 | 2016-11-23 | 上海翱翼汽车电子有限公司 | A kind of induction antenna |
| CN206321779U (en) * | 2016-12-14 | 2017-07-11 | 上海纳恩汽车技术有限公司 | A kind of efficient kicking sensor test device |
| CN107024610A (en) * | 2017-03-27 | 2017-08-08 | 扬州新概念电气有限公司 | A kind of novel high-precision capacitive battery pressure sensor |
| CN108331484A (en) * | 2018-01-05 | 2018-07-27 | 上海纳恩汽车技术有限公司 | A kind of automobile tail gate kicking sensor system |
| CN208257412U (en) * | 2017-11-17 | 2018-12-18 | 浙江万胜智能科技股份有限公司 | A kind of intelligent capacitor of electromagnetism interference |
| CN109281580A (en) * | 2018-09-29 | 2019-01-29 | 武汉佳特轿车零部件有限公司 | Electric tail gate kicking sensor and its control method for automobile tail gate |
| CN209459667U (en) * | 2019-02-02 | 2019-10-01 | 上海纳恩汽车技术有限公司 | A kind of new-type kicking sensor capacitive sensing band |
-
2019
- 2019-02-02 CN CN201910107755.4A patent/CN109724631B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030071639A1 (en) * | 2001-10-17 | 2003-04-17 | Haag Ronald Helmut | Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor |
| CN202092768U (en) * | 2011-04-14 | 2011-12-28 | 中国特种设备检测研究院 | High temperature resistant and capacitive sensor with double shielding layers |
| CN102565588A (en) * | 2012-01-14 | 2012-07-11 | 天津大学 | On-line monitoring method used for high-voltage XLPE (Cross Linked Polyethylene) cable |
| CN204028288U (en) * | 2014-08-08 | 2014-12-17 | 国家电网公司 | The checkout equipment of cable local discharge and capacitive coupled sensors |
| CN205706533U (en) * | 2016-04-27 | 2016-11-23 | 上海翱翼汽车电子有限公司 | A kind of induction antenna |
| CN206321779U (en) * | 2016-12-14 | 2017-07-11 | 上海纳恩汽车技术有限公司 | A kind of efficient kicking sensor test device |
| CN107024610A (en) * | 2017-03-27 | 2017-08-08 | 扬州新概念电气有限公司 | A kind of novel high-precision capacitive battery pressure sensor |
| CN208257412U (en) * | 2017-11-17 | 2018-12-18 | 浙江万胜智能科技股份有限公司 | A kind of intelligent capacitor of electromagnetism interference |
| CN108331484A (en) * | 2018-01-05 | 2018-07-27 | 上海纳恩汽车技术有限公司 | A kind of automobile tail gate kicking sensor system |
| CN109281580A (en) * | 2018-09-29 | 2019-01-29 | 武汉佳特轿车零部件有限公司 | Electric tail gate kicking sensor and its control method for automobile tail gate |
| CN209459667U (en) * | 2019-02-02 | 2019-10-01 | 上海纳恩汽车技术有限公司 | A kind of new-type kicking sensor capacitive sensing band |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109724631B (en) | 2024-02-27 |
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Address after: Room 101, building 44, No. 258, shenzhuan Road, Songjiang hi tech park, Caohejing Development Zone, Songjiang District, Shanghai, 201612 Applicant after: Shanghai nan'en Automobile Technology Co.,Ltd. Address before: Room 101, building 44, No. 258, shenzhuan Road, Songjiang hi tech park, Caohejing Development Zone, Songjiang District, Shanghai, 201612 Applicant before: SHANGHAI NAEN AUTOMOTIVE TECHNOLOGY Co.,Ltd. |
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