CN202547592U - Automotive magnetic induction position sensor - Google Patents
Automotive magnetic induction position sensor Download PDFInfo
- Publication number
- CN202547592U CN202547592U CN2012201500326U CN201220150032U CN202547592U CN 202547592 U CN202547592 U CN 202547592U CN 2012201500326 U CN2012201500326 U CN 2012201500326U CN 201220150032 U CN201220150032 U CN 201220150032U CN 202547592 U CN202547592 U CN 202547592U
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- circuit board
- hall element
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Abstract
The utility model provides an automotive magnetic induction position sensor, comprising a shell, a circuit board, and a cover board covering the shell, wherein a rotation shaft is locked on the shell; magnetic steel is connected and fixed with the rotation shaft through a hot rivet; a bracket with an open slot is arranged in the shell; the circuit board is arranged on the bracket; a hall element is connected with the circuit board by a welding way; the hall element is limited into the open slot of the bracket; and the hall element faces the magnetic steel. According to the utility model, structure is simple; angle can be measured by using a non-contact magnetic induction principle; the rotation shaft drives the magnetic steel to rotate and generate an alternating magnetic field; the hall element senses variation of the magnetic field, and outputs a voltage signal corresponding to rotation angle to the circuit board; the device can accurately measure aperture of automotive throttle valves or EGR valves; and precision, linearity and reliability can be far more than that of traditional mechanical position sensors.
Description
Technical field
The utility model relates to automobile control technology field, specifically is a kind of automobile magnetic inductive position transducer.
Background technology
In the control system of automobile, air throttle is to be used for control air to get into one controllable valve of engine.The effect of air throttle is the charge flow rate of control engine; And being position or aperture with air throttle, the effect of TPS converts voltage signal to; And be transferred to ECU; As the foundation of ECU judgement engine operation condition, realize the control of the distributive value under the different solar terms door aperture.
At present; General air throttle that adopts of domestic automobile industry or EGR valve position sensors are a kind of mechanical linear variable resistor type pots, and the most common failure of mechanical position sensor mainly is idling poor contact of contacts, the irregular and poor linearity of sensor variable resistor change in resistance.These problems can influence the idling and the acceleration of engine; Cause the engine idle shakiness or do not have idling; Phenomenon such as bad when acceleration variation or acceleration fashion, these defectives cause the fuel oil air-fuel ratio to be difficult to accurate control, are unfavorable for the control of fuel economy and motor vehicle exhaust emission.
Summary of the invention
The purpose of the utility model is to provide the automobile magnetic inductive position transducer of a kind of simple in structure, high precision, high linearity, high reliability, makes it can remedy the deficiency of existing machinery formula position transducer.
A kind of automobile magnetic inductive position transducer, comprise shell, circuit board, with the cover plate that shell covers, the rotating shaft screens is on shell; Magnet steel links to each other with rotating shaft through rivet hot and is fixing; Be provided with the support of a band fluting in the shell, circuit board is located on the support, and Hall element links to each other with circuit board through welding manner; Hall element is spacing in the fluting of support, and is positive towards magnet steel.
Aforesaid automobile magnetic inductive position transducer, support, rotating shaft, shell adopt plastics to process.
The utility model is simple in structure; Adopt the non-contact type magnetic induction principle to take measurement of an angle, rotating shaft drives magnet steel and rotates, and produces alternating magnetic field; The Hall element induced field changes; Output is given circuit board with the corner corresponding voltage signal, and this device is measured automobiles air throttle or EGR valve opening accurately, precision, the linearity and reliability ultra-traditional mechanical position sensor far away.
Description of drawings
Fig. 1 is the structural representation of the utility model automobile magnetic inductive position transducer;
Fig. 2 is the assembling explosive view of the utility model automobile magnetic inductive position transducer.
Among the figure: the 1-circuit board; The 2-Hall element; The 3-support; The 4-magnet steel; The 5-rotating shaft; The 6-shell, the 7-cover plate.
Embodiment
To combine the accompanying drawing in the utility model below, the technical scheme in the utility model will be carried out clear, intactly description.
Please refer to Fig. 1 and Fig. 2, the utility model automobile magnetic inductive position transducer comprises shell 6 and the cover plate 7 that covers with shell 6, and rotating shaft 5 screens can turn an angle on shell 6, and the concrete big I of rotational angle limits through the limited block on the shell 6.Magnet steel 4 links to each other with rotating shaft 5 through rivet hot and is fixing, is provided with the support 3 of a band fluting in the shell 6, and circuit board 1 is located on the support 3, and Hall element 2 links to each other with circuit board 1 through welding manner.Hall element 2 is spacing in the fluting of support 3, and is positive towards magnet steel 4.The fluting of said support 3 can be rectangle.
Wherein, support 3, rotating shaft 5, shell 6 can adopt plastics to process, and the outboard cover of circuit board 1 is provided with cover plate 7.
The utility model is simple in structure; Adopt the non-contact type magnetic induction principle to take measurement of an angle, rotating shaft 5 drives magnet steel 4 and rotates, and produces alternating magnetic field; Hall element 2 induced fields change; Output is given circuit board 1 with the corner corresponding voltage signal, and this device is measured automobiles air throttle or EGR valve opening accurately, precision, the linearity and reliability ultra-traditional mechanical position sensor far away.
The above; Be merely the embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who belongs to the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (2)
1. automobile magnetic inductive position transducer, comprise shell (6), circuit board (1), with the cover plate (7) that shell (6) covers, it is characterized in that: rotating shaft (5) screens is on shell (6); Magnet steel (4) links to each other with rotating shaft (5) through rivet hot and is fixing; Be provided with the support (3) of a band fluting in the shell (6), circuit board (1) is located on the support (3), and Hall element (2) links to each other with circuit board (1) through welding manner; Hall element (2) is spacing in the fluting of support (3), and is positive towards magnet steel (4).
2. automobile magnetic inductive position transducer as claimed in claim 1 is characterized in that: support (3), rotating shaft (5), shell (6) adopt plastics to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201500326U CN202547592U (en) | 2012-04-11 | 2012-04-11 | Automotive magnetic induction position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201500326U CN202547592U (en) | 2012-04-11 | 2012-04-11 | Automotive magnetic induction position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547592U true CN202547592U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201500326U Expired - Fee Related CN202547592U (en) | 2012-04-11 | 2012-04-11 | Automotive magnetic induction position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547592U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196414A (en) * | 2013-03-20 | 2013-07-10 | 无锡隆盛科技股份有限公司 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
| CN103267535A (en) * | 2013-04-20 | 2013-08-28 | 重庆佰斯顿电子科技有限公司 | Non-contact throttle position sensor |
| CN106525083A (en) * | 2017-01-09 | 2017-03-22 | 浙江汉博汽车传感器有限公司 | Enhanced actuating cam sensor for automobile |
| CN110455173A (en) * | 2019-09-11 | 2019-11-15 | 福建京科科技有限公司 | Miniature throttle position sensor and installation method |
| CN110530427A (en) * | 2019-09-11 | 2019-12-03 | 福建京科科技有限公司 | Motorcycle three-in-one sensor and its assembly method |
| CN110672133A (en) * | 2019-10-09 | 2020-01-10 | 福建京科科技有限公司 | Three-in-one sensor for motorcycle |
-
2012
- 2012-04-11 CN CN2012201500326U patent/CN202547592U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196414A (en) * | 2013-03-20 | 2013-07-10 | 无锡隆盛科技股份有限公司 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
| CN103196414B (en) * | 2013-03-20 | 2015-05-27 | 无锡隆盛科技股份有限公司 | Detection tool for electric exhaust gas recirculation (EGR) valve angle transducer |
| CN103267535A (en) * | 2013-04-20 | 2013-08-28 | 重庆佰斯顿电子科技有限公司 | Non-contact throttle position sensor |
| CN106525083A (en) * | 2017-01-09 | 2017-03-22 | 浙江汉博汽车传感器有限公司 | Enhanced actuating cam sensor for automobile |
| CN110455173A (en) * | 2019-09-11 | 2019-11-15 | 福建京科科技有限公司 | Miniature throttle position sensor and installation method |
| CN110530427A (en) * | 2019-09-11 | 2019-12-03 | 福建京科科技有限公司 | Motorcycle three-in-one sensor and its assembly method |
| CN110672133A (en) * | 2019-10-09 | 2020-01-10 | 福建京科科技有限公司 | Three-in-one sensor for motorcycle |
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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 |
Granted publication date: 20121121 Termination date: 20150411 |
|
| EXPY | Termination of patent right or utility model |