CN211280812U - Sensor for brake lamp - Google Patents
Sensor for brake lamp Download PDFInfo
- Publication number
- CN211280812U CN211280812U CN201922477590.8U CN201922477590U CN211280812U CN 211280812 U CN211280812 U CN 211280812U CN 201922477590 U CN201922477590 U CN 201922477590U CN 211280812 U CN211280812 U CN 211280812U
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- casing
- circuit board
- printed circuit
- hall element
- groove structure
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Abstract
The utility model discloses a stop lamp sensor, which comprises a housin, the inside printed circuit board that is fixed with of casing, the inside square groove structure that is equipped with of casing, the welding has hall element on the printed circuit board, hall element passes through the square groove structure and spacing the installing on the casing, it still spacing installs magnet through the square groove structure on the casing, the welding has the Pin needle on the printed circuit board. The utility model discloses signal sensitivity, transmission signal are accurate, long service life.
Description
Technical Field
The utility model relates to an automobile braking technique, especially a stop lamp sensor.
Background
CN103264657A discloses an automobile brake light sensor, which comprises a brake master cylinder, a piston, a permanent magnet, a hall switching element, and an induction device; the piston is positioned in the brake master cylinder and can move along the axis of the brake master cylinder, the permanent magnet is arranged on the piston, and when the piston moves, the permanent magnet arranged on the piston moves along with the piston; an induction device with a Hall switch element is arranged outside the brake master cylinder, and the Hall switch element is used for inducing the magnetic field intensity change of the permanent magnet; the brake master cylinder, the induction device and the Hall switch element inside the induction device form a whole, and the whole formed by the brake master cylinder, the induction device and the Hall switch element generates relative movement with the piston and the permanent magnet when the automobile is braked. The displacement circuit of the Hall element and the magnet in the technical scheme is uncertain, so that the sensor is not sensitive enough.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a sensitive, transmission signal is accurate, long service life's stop lamp sensor.
The purpose of the utility model is realized through the following technical scheme.
The utility model provides a stop lamp sensor, includes the casing, the inside printed circuit board that is fixed with of casing, the inside square groove structure that is equipped with of casing, the welding has hall element on the printed circuit board, hall element passes through the square groove structure and spacing installs on the casing, it has magnet still to spacing install through the square groove structure on the casing, the welding has the Pin needle on the printed circuit board.
The Pin needle adopts embedded mode and the integrative injection moulding of casing, Pin needle complex connector is used for the output sensor signal.
The printed circuit board is fixedly arranged on the shell through the Hall element and the positioning column.
The magnet is located inside the hall element.
There are 4 Pin needles.
Compared with the prior art, the utility model has the advantages of: the utility model discloses signal sensitivity, transmission signal are accurate, long service life, because magnet is installed inside the brake switch sensor, magnet and hall element rigidity, so need not outside magnet and remove the drive, through the relative displacement of outside iron sheet and magnet for the magnetic flux changes and acquires the brake state.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a top view of the position relationship between the printed circuit board, the hall element and the magnet according to the present invention.
Fig. 3 is a schematic view of the installation of the hall element and the magnet according to the present invention.
In the figure: 1. the circuit board comprises a shell 2, a printed circuit board 3, a Hall element 4, a magnet 5, a positioning column 6 and a Pin needle.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples.
As shown in fig. 1-3, a stop lamp sensor comprises a shell 1, a printed circuit board 2 is fixed inside the shell, a square groove structure is arranged inside the shell, a hall element 3 is welded on the printed circuit board 2, the hall element 3 is installed on the shell in a limiting mode through the square groove structure, a magnet is further installed on the shell in a limiting mode through the square groove structure, and a Pin needle 6 is welded on the printed circuit board 2.
The Pin needle adopts embedded mode and the integrative injection moulding of casing, Pin needle complex connector is used for the output sensor signal.
The printed circuit board 2 is fixedly arranged on the shell through the Hall element 3 and the positioning column 5.
The magnet is located inside the hall element 3.
There are 4 Pin needles 6.
Claims (5)
1. The utility model provides a stop lamp sensor, includes the casing, its characterized in that casing inside is fixed with printed circuit board, the inside square groove structure that is equipped with of casing, the welding has hall element on the printed circuit board, hall element passes through the square groove structure and spacing the installing on the casing, it has magnet still to spacing the installing through the square groove structure on the casing, the welding has the Pin needle on the printed circuit board.
2. The sensor of claim 1, wherein the Pin is formed by injection molding with the housing in a pre-embedded manner, and the Pin connector is used for outputting the sensor signal.
3. The stop lamp sensor according to claim 1 or 2, wherein the printed circuit board is fixedly mounted on the housing through the hall element and the positioning post.
4. The stop lamp sensor of claim 1, wherein the magnet is located inside the hall element.
5. A stop lamp sensor according to claim 1 or 2, wherein said Pin needles are 4 in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477590.8U CN211280812U (en) | 2019-12-31 | 2019-12-31 | Sensor for brake lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477590.8U CN211280812U (en) | 2019-12-31 | 2019-12-31 | Sensor for brake lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211280812U true CN211280812U (en) | 2020-08-18 |
Family
ID=72036680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477590.8U Active CN211280812U (en) | 2019-12-31 | 2019-12-31 | Sensor for brake lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211280812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312554A (en) * | 2021-12-31 | 2022-04-12 | 昆山市兴利车辆科技配套有限公司 | Low-power-consumption automobile brake lamp switch sensor |
-
2019
- 2019-12-31 CN CN201922477590.8U patent/CN211280812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312554A (en) * | 2021-12-31 | 2022-04-12 | 昆山市兴利车辆科技配套有限公司 | Low-power-consumption automobile brake lamp switch sensor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |