CN203496756U - Vehicle body height sensor - Google Patents
Vehicle body height sensor Download PDFInfo
- Publication number
- CN203496756U CN203496756U CN201320600174.2U CN201320600174U CN203496756U CN 203496756 U CN203496756 U CN 203496756U CN 201320600174 U CN201320600174 U CN 201320600174U CN 203496756 U CN203496756 U CN 203496756U
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- Prior art keywords
- height sensor
- rotating shaft
- magnet ring
- cavity
- wiring board
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Abstract
The utility model provides a vehicle body height sensor. The vehicle body height sensor comprises a body, a stator and a rotor. The body comprises a cavity and a shaft hole communicated with the cavity. The stator comprises a circuit board arranged in the cavity. The circuit board is electrically connected with a light dimming system of a headlamp on a vehicle body. A programmable Hall chip is arranged on the circuit board. The rotor comprises a swinging arm, a magnetic ring and a rotating shaft. The rotating shaft penetrates through the shaft hole. One end of the rotating shaft is provided with the magnetic ring. The magnetic ring is opposite to the programmable Hall chip. The other end of the rotating shaft is connected with the swinging arm. The swinging arm is connected with a chassis of the vehicle body in a rotating mode. The vehicle body height sensor has the advantages that the structure is simple, cost is low, the vehicle light height can be controlled in real time so that glare for a driver of an automobile coming from the opposite direction cannot be generated, and therefore the automobile driving safety is improved.
Description
Technical field
The utility model relates to a kind of electronic control system of automobile, particularly relates to a kind of height sensor.
Background technology
Automobile sensor is the input media of automobile computer system, it is various work informations in automotive operation, as the temperature of the speed of a motor vehicle, various media, pressure, engine operating condition etc., change into electric signal and be defeated by computing machine, so that automobile is in optimum Working.On automobile, conventional sensor type comprises wheel speed sensors, bent axle/CMP sensor, temperature sensor, pressure sensor, detonation sensor, and height sensor etc.
When vehicle travels in the darker environment of light, chaufeur, in order to see road surface clearly, usually will be opened car head light.When car head light is opened, if light position height is not good, easily cause the opposite chaufeur of sending a car dazzling.When bodywork height changes, the height of the light that car head light sends also can change, the height of the light that car head light sends if adjust not in time, and it can produce dazzle to the opposite chaufeur of sending a car, and greatly reduces automobile driving safe.In order to detect in time bodywork height, change, so that adjust in real time the height of the light that car head light sends, avoid causing the opposite chaufeur of sending a car dazzling, be provided with for responding to the sensor of bodywork height on vehicle body, this sensor is known as height sensor.The height sensor using on existing car mainly relies on from external import.Yet, the height sensor of import not only expensive, complicated structure and real-time poor.Therefore, develop cheap, can control in real time lights of vehicle height, make it to the opposite chaufeur of sending a car, can not produce dazzle, the height sensor that can improve automobile driving safe is that people have one of technical matters to be solved.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of simple in structure, cheap height sensor, it can control lights of vehicle height in real time, makes it to the opposite chaufeur of sending a car, can not produce dazzle, has improved automobile driving safe.
For achieving the above object and other relevant objects, the utility model provides a kind of height sensor, comprises body, stator and rotor, described body comprises cavity and the axis hole being communicated with described cavity, described stator comprises the wiring board being located in described cavity, the head light light adjusting system Electricity Federation on described wiring board and vehicle body, and described wiring board is provided with programmable hall chip, described rotor comprises swing arm, magnet ring and rotating shaft, described rotating shaft is located in described axis hole, described rotating shaft one end is provided with described magnet ring, and described magnet ring is relative with described programmable hall chip, the described rotating shaft other end is connected with described swing arm, the chassis of described swing arm and vehicle body is rotating to be connected to respond in real time bodywork height and to change, described magnet ring is done corresponding rotation according to the swing of described swing arm, the programmable hall chip corresponding with described magnet ring is used for regulating the control signal of lights of vehicle height by described wiring board output according to the magnetic-field intensity of described magnet ring variation.
Further, in described rotating shaft, offer for setting firmly the axial notch of described magnet ring.
Further, described wiring board is connected with the inwall of described cavity by contact pin.
Further, described contact pin one end is connected on the wall of described cavity, its other end and the welding of described wiring board.
Further, in described axis hole, be provided with a bearing with described rotating shaft coaxial cooperation.
Further, in described cavity, be provided with for sealing the epoxy resin of described cavity.
Further, in described rotating shaft, be arranged with for sealing the oil sealing of described axis hole.
Further, on described body outer wall, be also provided with the nut for being connected with described vehicle body.
Further, described magnet ring is made through die casting by the two poles of the earth Agglutinate neodymium-iron-boron material in opposite directions.
Further, described wiring board is fixed on the inwall of described cavity by registration mast, and the utmost point magnetic dot of described programmable hall chip and described magnet ring is on same axis.
As mentioned above, a kind of height sensor of the present utility model, has following beneficial effect:
Because described swing arm can be responded to bodywork height variation in real time, described magnet ring is done corresponding rotation according to the swing of described swing arm, the programmable hall chip corresponding with described magnet ring is used for regulating the control signal of lights of vehicle height according to the magnetic-field intensity of described magnet ring variation to the head light light adjusting system input on vehicle body by described wiring board, described control automobile front horizontal light-adjusting system regulates lights of vehicle height according to the control signal of receiving, thereby reached real-time control lights of vehicle height, make it to the opposite chaufeur of sending a car, can not produce dazzle, improved automobile driving safe, in addition, described body, described stator and described rotor structure are simple, and easily processing, and described programmable hall chip can be programmed, and has reduced cost, therefore it is simple in structure, and cheap.
Accompanying drawing explanation
Fig. 1 is shown as the block diagram of height sensor of the present utility model.
Fig. 2 is shown as the front view of height sensor of the present utility model.
Fig. 3 is shown as the birds-eye view of height sensor of the present utility model.
Fig. 4 is shown as along the cutaway view of A-A in Fig. 3.
Element numbers explanation
1 body 2 stators
11 cavity 21 wiring boards
12 axis hole 211 programmable hall chips
13 contact pin 212 registration masts
3 rotor 4 bearings
31 swing arm 5 oil sealings
32 magnet ring 331 axial notches
33 rotating shafts
The specific embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification sheets.
Notice, appended graphic the illustrated structure of this specification sheets, ratio, size etc., equal contents in order to coordinate specification sheets to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop in the scope that technology contents that the utility model discloses can contain.Simultaneously, in this specification sheets, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.
As shown in Figures 1 to 4, the utility model provides a kind of height sensor, comprises body 1, stator 2 and rotor 3; Described body 1 comprises cavity 11 and the axis hole 12 being communicated with described cavity 11; Described stator 2 comprises the wiring board 21 being located in described cavity 11, the head light light adjusting system Electricity Federation on described wiring board 21 and vehicle body, and described wiring board 21 is provided with programmable hall chip 211; Described rotor 3 comprises swing arm 31, magnet ring 32 and rotating shaft 33, described rotating shaft 33 is located in described axis hole 12, described rotating shaft 33 one end are provided with described magnet ring 32, and described magnet ring 32 is relative with described programmable hall chip 211, preferably, described magnet ring 32 is made through die casting by the two poles of the earth Agglutinate neodymium-iron-boron material in opposite directions.Described rotating shaft 33 other ends are connected with described swing arm 31, and the chassis of described swing arm 31 and vehicle body is rotating to be connected to respond in real time bodywork height and to change.
As shown in Figures 1 to 4, when described swing arm 31 swings in real time because bodywork height changes, described magnet ring 32 is done corresponding rotation according to the swing of described swing arm 31, and the programmable hall chip 211 corresponding with described magnet ring 32 exported for regulating the control signal of lights of vehicle height by described wiring board 21 according to the magnetic-field intensity of described magnet ring 32 variations.Described programmable hall chip 211 energy done with high accuracy magnetic field induction and conversions, and can for example, by described wiring board 21 output various modes control signal, analog signal, PMW signal or SPI signals.Described programmable hall chip 211 can be programmed, and greatly reduces cost.As from the foregoing, the height sensor that the utility model provides is reasonable in design, and the structure of described body 1, described stator 2 and described rotor 3 is simpler, does not need to be processed and made by superhigh precision, has reduced tooling cost.
As shown in Figure 4, as further improvement of the utility model, for the described magnet ring 32 of convenient installation, in described rotating shaft 33, offer for setting firmly the axial notch 331 of described magnet ring 32.Particularly, described magnet ring 32 binds in described axial notch 331.
As shown in Figure 4, for fear of described wiring board 21, because being shaken the problem such as rupture, come off, the utility model has been made further improvement, and described wiring board 21 is connected with the inwall of described cavity 11 by contact pin, and the number of common described contact pin is made as three.Described contact pin one end is connected on the wall of described cavity 11, its other end and 21 welding of described wiring board.
As shown in Figure 4, for described rotating shaft 33 is smoothly rotated, the utility model has been made further improvement, is provided with a bearing 4 with described rotating shaft 33 coaxial cooperation in described axis hole 12.
As shown in Figure 4, for dust protection, dabble etc. enters in described cavity 11, the utility model has been made further improvement, is provided with the epoxy resin (figure does not mark) for sealing described cavity 11 in described cavity 11.In described epoxy resin is injected into described cavity 11, after solidifying, can play described epoxy resin the effect of the described cavity 11 of sealing.In addition, in described rotating shaft 33, be arranged with for sealing the oil sealing 5 of described axis hole 12, described oil sealing 5 is pressed in described axis hole 12, by described oil sealing 5 can prevent dust, dabbling etc. enters in described cavity 11, thereby effectively reach the object of anti-high pressure, dust protection, splash-proof.
As shown in Figure 1, as further improvement of the utility model, for convenient, described body 1 is fixed on described vehicle body, on described body 1 outer wall, be also provided with nut (not marking in figure), by described nut, just can easily described body 1 be fixed on described vehicle body, the number of common described nut is made as two.
See Fig. 4, as further improvement of the utility model, for the described wiring board 21 in convenient location, the inwall of described cavity 11 is provided with several registration masts 212, described wiring board 21 is fixed on the inwall of described cavity 11 by described registration mast 212, and the utmost point magnetic dot of described programmable hall chip 211 and described magnet ring 32 is on same axis; Due to described programmable hall chip 211 with the utmost point magnetic dot of described magnet ring 32 on same axis, therefore the signal accuracy of described programmable hall chip 211 outputs is high, the linearity is good.
As shown in Figure 4, when bodywork height changes, described swing arm 31 can be rotated around the chassis of described vehicle body, described rotating shaft 33 simultaneously rotates under described swing arm 31 drives, magnet ring 32 also can be along with described rotating shaft 33 is rotated, at this moment the magnetic-field intensity that described magnet ring 32 produces changes, described programmable hall chip 211 senses change of magnetic field strength, and pass through described wiring board 21 to described head light light adjusting system input control signal according to changes of magnetic field, described head light light adjusting system regulates lights of vehicle height according to the control signal of receiving, thereby reached real-time control lights of vehicle height, make it to the opposite chaufeur of sending a car, can not produce dazzle, improved automobile driving safe.
In sum, a kind of height sensor that the utility model provides is not only simple in structure, cheap, and can control in real time lights of vehicle height, make it to the opposite chaufeur of sending a car, can not produce dazzle, improved automobile driving safe, so a kind of height sensor that the utility model provides has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (10)
1. a height sensor, is characterized in that, comprising: body (1), stator (2) and rotor (3), described body (1) comprises cavity (11) and the axis hole (12) being communicated with described cavity (11), described stator (2) comprises the wiring board (21) being located in described cavity (11), the head light light adjusting system Electricity Federation on described wiring board (21) and vehicle body, and described wiring board (21) is provided with programmable hall chip (211), described rotor (3) comprises swing arm (31), magnet ring (32) and rotating shaft (33), described rotating shaft (33) is located in described axis hole (12), described rotating shaft (33) one end is provided with described magnet ring (32), and described magnet ring (32) is relative with described programmable hall chip (211), described rotating shaft (33) other end is connected with described swing arm (31), the chassis of described swing arm (31) and vehicle body is rotating to be connected to respond in real time bodywork height and to change, described magnet ring (32) is done corresponding rotation according to the swing of described swing arm (31), the magnetic-field intensity that the programmable hall chip (211) corresponding with described magnet ring (32) changes according to described magnet ring (32) passes through described wiring board (21) output for regulating the control signal of lights of vehicle height.
2. height sensor according to claim 1, is characterized in that: described rotating shaft (33) offers the axial notch (331) for setting firmly described magnet ring (32).
3. height sensor according to claim 1, is characterized in that: described wiring board (21) is connected with the inwall of described cavity (11) by contact pin (13).
4. height sensor according to claim 3, is characterized in that: described contact pin (13) one end is connected on the wall of described cavity (11), its other end and described wiring board (21) welding.
5. height sensor according to claim 1, is characterized in that: in described axis hole (12), be provided with the bearing (4) with described rotating shaft (33) coaxial cooperation.
6. height sensor according to claim 1, is characterized in that: in described cavity (11), be provided with for sealing the epoxy resin of described cavity (11).
7. height sensor according to claim 6, is characterized in that: in described rotating shaft (33), be arranged with the oil sealing (5) for sealing described axis hole (12).
8. height sensor according to claim 1, is characterized in that: on described body (1) outer wall, be also provided with the nut for being connected with described vehicle body.
9. according to the height sensor described in claim 1 to 8 any one, it is characterized in that: described magnet ring (32) is made through die casting by the two poles of the earth Agglutinate neodymium-iron-boron material in opposite directions.
10. height sensor according to claim 9, it is characterized in that: described wiring board (21) is fixed on the inwall of described cavity (11) by registration mast (212), and the utmost point magnetic dot of described programmable hall chip (211) and described magnet ring (32) is on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600174.2U CN203496756U (en) | 2013-09-26 | 2013-09-26 | Vehicle body height sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600174.2U CN203496756U (en) | 2013-09-26 | 2013-09-26 | Vehicle body height sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203496756U true CN203496756U (en) | 2014-03-26 |
Family
ID=50327756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600174.2U Expired - Lifetime CN203496756U (en) | 2013-09-26 | 2013-09-26 | Vehicle body height sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203496756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
| CN105746094A (en) * | 2016-04-05 | 2016-07-13 | 常州格力博有限公司 | Omnibearing crash sensor device and lawn mower |
| CN109883311A (en) * | 2019-03-11 | 2019-06-14 | 浙江可得电子科技有限公司 | Level sensor |
-
2013
- 2013-09-26 CN CN201320600174.2U patent/CN203496756U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
| CN105746094A (en) * | 2016-04-05 | 2016-07-13 | 常州格力博有限公司 | Omnibearing crash sensor device and lawn mower |
| CN109883311A (en) * | 2019-03-11 | 2019-06-14 | 浙江可得电子科技有限公司 | Level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |