CN202471309U - Automobile seat pressure sensor - Google Patents
Automobile seat pressure sensor Download PDFInfo
- Publication number
- CN202471309U CN202471309U CN2012200860803U CN201220086080U CN202471309U CN 202471309 U CN202471309 U CN 202471309U CN 2012200860803 U CN2012200860803 U CN 2012200860803U CN 201220086080 U CN201220086080 U CN 201220086080U CN 202471309 U CN202471309 U CN 202471309U
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- layer
- responsive sheet
- brace
- seat pressure
- responsive
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- Expired - Lifetime
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- Force Measurement Appropriate To Specific Purposes (AREA)
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Abstract
The utility model discloses an automobile seat pressure sensor which comprises a sheet sensor pad provided with sensing units and a connecting wire harness, wherein the sheet sensor pad comprises a first sensitive piece, a second sensitive piece, a middle connecting piece for connecting the first sensitive piece and the second sensitive piece, and a tail connecting piece connected with the first sensitive piece, wherein the tail end of the tail connecting piece is provided with an electrode leading-out end; the first sensitive piece, the second sensitive piece and the middle connecting piece form an I shape; and the sensing units are symmetrically distributed on the first sensitive piece and the second sensitive piece. The sensing units are symmetrically distributed relative to the longitudinal axial line of the seat, thereby enhancing the sensitivity and reliability of the sensor. The seat pressure sensor can implement seat pressure detection so as to sense whether the seat is occupied by a passenger, and has high reliability. The utility model can be combined with a safety belt lock switching signal to implement the function of reminding the unfastened safety belt.
Description
Technical field
The utility model relates to automobile sensor, refers to a kind of automotive seat pressure transducer particularly.
Background technology
The purpose of automotive seat pressure transducer is exactly to survey to be sitting in the passenger on the front passenger seat with correct sitting posture, realizes seat user mode monitoring function.
Constantly perfect along with national legislation improving constantly the requirement of vehicle safety performance, and the seating pressure sensor is applied on the middle and high end vehicle more and more.And overlapping type to armchair structure, foaming type, the face of different automobile types, the seating pressure sensor need carry out specialized designs, could guarantee to cooperate with the installation of seat, makes its optimal performance of sensor performance.
For passenger's safety, the battle wagon seat generally all is provided with pressure transducer, is used for whether the passenger is arranged on the responsive seat.When the passenger is sitting on the seat, the responsive pressure of pressure transducer, the output make-and-break signal is given alarm, thereby reminds the passenger to fasten one's safety belt.But, the sensing unit vertical array structure of traditional automotive seat pressure transducer, meeting was foamed soft because of seat and the variation of passenger's sitting posture causes the situation of sensor acquisition less than signal, thereby influenced the sensitivity and the reliability of sensor.
Summary of the invention
The purpose of the utility model will overcome the existing in prior technology deficiency exactly, and a kind of automotive seat pressure transducer is provided.
For realizing above-mentioned purpose; The automotive seat pressure transducer that the utility model designed; Comprise the thin slice sensor mat and the rat tail that are provided with sensing unit; It is characterized in that: said thin slice sensor mat comprises the first responsive sheet, the second responsive sheet, is used to connect the middle brace of the first responsive sheet and the second responsive sheet and the afterbody brace that is connected with the first responsive sheet, and the end of said afterbody brace is provided with electrode leads to client; The said first responsive sheet and the second responsive sheet and middle brace form I shape; Said sensing unit is symmetrically distributed on the said first responsive sheet and the second responsive sheet.
In the such scheme, the axis of said middle brace is provided with the V-type groove.Like this, can cross over the groove on the seat smoothly, avoid rupturing, damaging behind the sensor pressurized, increase the mechanical endurance of sensor.
Preferably, the said first responsive sheet, the second responsive sheet, middle brace and afterbody brace are the integral multi-layer pressing structure.
Preferably, the multilayer pressing structure of the said first responsive sheet and the second responsive sheet comprises protective seam from top to bottom successively, goes up conductive layer, upper caldding layer, separation layer, lower caldding layer, lower conductiving layer and lower protective layer;
The multilayer pressing structure of brace comprises protective seam from top to bottom successively, goes up conductive layer, upper caldding layer, lower caldding layer, lower conductiving layer and lower protective layer in the middle of said;
The multilayer pressing structure of said afterbody brace comprises protective seam from top to bottom successively, goes up conductive layer, upper caldding layer and lower protective layer.
Preferably, the last conductive layer of the said first responsive sheet and the second responsive sheet is electrically connected with the last conductive layer of middle brace and afterbody brace;
The lower conductiving layer of the said first responsive sheet and the second responsive sheet is electrically connected with the lower conductiving layer of middle brace;
The said protective seam of going up is fixedly connected each layer of centre through viscose glue with lower protective layer, and said going up on conductive layer and the lower conductiving layer also is provided with silver transmission line.
Preferably, said sensing unit is distributed on the last conductive layer and lower conductiving layer of the said first responsive sheet and the second responsive sheet, and every side is provided with four sensing units.Like this, the layout that sensing unit is symmetrically distributed with respect to the seat longitudinal axis, the sensitivity of sensor and reliability are high.
Preferably, said protective seam, lower protective layer and the separation layer gone up adopts insulating material, and said conductive layer, upper caldding layer, lower caldding layer and the lower conductiving layer gone up all adopts conductive material.
Preferably, said upper caldding layer and lower caldding layer adopt graphite material.
The beneficial effect of the utility model is: change traditional sensing unit vertical array structure; And the layout that employing is symmetrically distributed with respect to the seat longitudinal axis; Got rid of because of seat foamed soft and passenger's sitting posture changes and to cause the situation of sensor acquisition less than signal, thereby improved the sensitivity and the reliability of sensor.The V-type groove can guarantee that sensor successfully crosses over the seat groove, the enhance mechanical permanance.This seating pressure sensor can realize that seating pressure detects, and whether the perception seat is occupied by the passenger, has stronger reliability.The utility model can combine the safety belt lock catch switching signal, realizes that securing band is not a prompting function; Directly CCU such as access security air bag is realized passenger side air bag locking, has good versatility.
Description of drawings
Fig. 1 is the contour structures synoptic diagram of the utility model automotive seat pressure transducer.
Fig. 2 is the inside multilayer pressing structure synoptic diagram of thin slice sensor mat.
Fig. 3 is the mounting structure synoptic diagram of automotive seat pressure transducer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to describe in detail.
Fig. 1, the pressure transducer of automotive seat shown in 2; Comprise the thin slice sensor mat and the rat tail that are provided with sensing unit 14; The thin slice sensor mat comprises the responsive sheet of the first responsive sheet 1, second 2, is used to connect the middle brace 3 of the first responsive sheet 1 and the second responsive sheet 2 and the afterbody brace 4 that is connected with the first responsive sheet 1, and the end of afterbody brace 4 is provided with electrode leads to client 12.The first responsive sheet 1 and the second responsive sheet 2 form I shape with middle brace 3.Sensing unit 14 is symmetrically distributed on the said first responsive sheet 1 and the second responsive sheet 2.
In conjunction with Fig. 3, the axis of middle brace 4 is provided with V-type groove 13.
In conjunction with Fig. 2, the responsive sheet of the first responsive sheet 1, second 2, middle brace 3 and afterbody brace 4 are the integral multi-layer pressing structure.The multilayer pressing structure of the first responsive sheet 1 and the second responsive sheet 2 comprises protective seam 5 from top to bottom successively, goes up conductive layer 6, upper caldding layer 7, separation layer 8, lower caldding layer 9, lower conductiving layer 10 and lower protective layer 11.The multilayer pressing structure of middle brace 3 comprises protective seam 5 from top to bottom successively, goes up conductive layer 6, upper caldding layer 7, lower caldding layer 9, lower conductiving layer 10 and lower protective layer 11.The multilayer pressing structure of afterbody brace 4 comprises protective seam 5 from top to bottom successively, goes up conductive layer 6, upper caldding layer 7 and lower protective layer 11.The last conductive layer 6 of the first responsive sheet 1 and the second responsive sheet 2 is electrically connected with the last conductive layer 6 of middle brace 3 and afterbody brace 4.The lower conductiving layer 10 of the first responsive sheet 1 and the second responsive sheet 2 is electrically connected with the lower conductiving layer 10 of middle brace 3.Last protective seam 5 is fixedly connected each layer of centre through viscose glue with lower protective layer 11, also is provided with silver transmission line 15 on last conductive layer 6 and the lower conductiving layer 10.Sensing unit 14 is distributed on the last conductive layer 6 and lower conductiving layer 10 of the said first responsive sheet 1 and the second responsive sheet 2, and every side is provided with four sensing units 14.Last protective seam 5, lower protective layer 11 and separation layer 8 adopt insulating material, and last conductive layer 6, upper caldding layer 7, lower caldding layer 9 and lower conductiving layer 10 all adopt conductive material.Upper caldding layer 7 adopts graphite material with lower caldding layer 9.
According to certain automobile chair structure, 8 sensing units 14 are set on the sensor mat, apply pressure on the seat in order to perception, sensing unit 14 is symmetrically distributed with respect to the seat longitudinal axis.Have and have only when at least one sensing unit 14 of sensor both sides is triggered, definite resistance value can be measured, surveys seating pressure, and whether the perception seat is occupied, and rat tail passes to CCU with the signal of gathering, and carries out the control corresponding function.
Claims (8)
1. automotive seat pressure transducer; Comprise the thin slice sensor mat and the rat tail that are provided with sensing unit (14); It is characterized in that: said thin slice sensor mat comprises the first responsive sheet (1), the second responsive sheet (2), is used to connect the middle brace (3) of the first responsive sheet (1) and the second responsive sheet (2) and the afterbody brace (4) that is connected with the first responsive sheet (1), and the end of said afterbody brace (4) is provided with electrode leads to client (12); The said first responsive sheet (1) and the second responsive sheet (2) form I shape with middle brace (3); Said sensing unit (14) is symmetrically distributed on the said first responsive sheet (1) and the second responsive sheet (2).
2. according to the said automotive seat pressure transducer of claim 1, it is characterized in that: the axis of brace (4) is provided with V-type groove (13) in the middle of said.
3. according to claim 1 or 2 said automotive seat pressure transducers, it is characterized in that: the said first responsive sheet (1), the second responsive sheet (2), middle brace (3) and afterbody brace (4) are the integral multi-layer pressing structure.
4. according to the said automotive seat pressure transducer of claim 3, it is characterized in that: the multilayer pressing structure of the said first responsive sheet (1) and the second responsive sheet (2) comprises protective seam (5) from top to bottom successively, goes up conductive layer (6), upper caldding layer (7), separation layer (8), lower caldding layer (9), lower conductiving layer (10) and lower protective layer (11);
The multilayer pressing structure of brace (3) comprises protective seam (5) from top to bottom successively, goes up conductive layer (6), upper caldding layer (7), lower caldding layer (9), lower conductiving layer (10) and lower protective layer (11) in the middle of said;
The multilayer pressing structure of said afterbody brace (4) comprises protective seam (5) from top to bottom successively, goes up conductive layer (6), upper caldding layer (7) and lower protective layer (11).
5. according to the said automotive seat pressure transducer of claim 4, it is characterized in that: the last conductive layer (6) of the said first responsive sheet (1) and the second responsive sheet (2) is electrically connected with the last conductive layer (6) of middle brace (3) and afterbody brace (4);
The lower conductiving layer (10) of the said first responsive sheet (1) and the second responsive sheet (2) is electrically connected with the lower conductiving layer (10) of middle brace (3);
The said protective seam (5) of going up is fixedly connected each layer of centre through viscose glue with lower protective layer (11), and said going up on conductive layer (6) and the lower conductiving layer (10) also is provided with silver transmission line (15).
6. according to the said automotive seat pressure transducer of claim 4; It is characterized in that: said sensing unit (14) is distributed on the last conductive layer (6) and lower conductiving layer (10) of the said first responsive sheet (1) and the second responsive sheet (2), and every side is provided with four sensing units (14).
7. according to the said automotive seat pressure transducer of claim 4; It is characterized in that: said protective seam (5), lower protective layer (11) and the separation layer (8) gone up adopts insulating material, and said conductive layer (6), upper caldding layer (7), lower caldding layer (9) and the lower conductiving layer (10) gone up all adopts conductive material.
8. according to the said automotive seat pressure transducer of claim 4, it is characterized in that: said upper caldding layer (7) and lower caldding layer (9) adopt graphite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200860803U CN202471309U (en) | 2012-03-08 | 2012-03-08 | Automobile seat pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200860803U CN202471309U (en) | 2012-03-08 | 2012-03-08 | Automobile seat pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471309U true CN202471309U (en) | 2012-10-03 |
Family
ID=46919461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200860803U Expired - Lifetime CN202471309U (en) | 2012-03-08 | 2012-03-08 | Automobile seat pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471309U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454027A (en) * | 2013-09-16 | 2013-12-18 | 北京机械设备研究所 | Dynamic pressure measuring device based on pressure difference |
| CN104344916A (en) * | 2013-07-26 | 2015-02-11 | 廊坊市金色时光科技发展有限公司 | Seat pressure sensor |
| CN106248294A (en) * | 2015-06-09 | 2016-12-21 | 福特全球技术公司 | For testing the system and method for seat pressure transducer |
| CN109029809A (en) * | 2018-07-05 | 2018-12-18 | 浙江金池科技有限公司 | seat sensor and automobile |
-
2012
- 2012-03-08 CN CN2012200860803U patent/CN202471309U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344916A (en) * | 2013-07-26 | 2015-02-11 | 廊坊市金色时光科技发展有限公司 | Seat pressure sensor |
| CN103454027A (en) * | 2013-09-16 | 2013-12-18 | 北京机械设备研究所 | Dynamic pressure measuring device based on pressure difference |
| CN106248294A (en) * | 2015-06-09 | 2016-12-21 | 福特全球技术公司 | For testing the system and method for seat pressure transducer |
| CN106248294B (en) * | 2015-06-09 | 2020-03-20 | 福特全球技术公司 | System and method for testing seat pressure sensors |
| CN109029809A (en) * | 2018-07-05 | 2018-12-18 | 浙江金池科技有限公司 | seat sensor and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |