CN201335676Y - Sensor used for detecting vehicle body height - Google Patents
Sensor used for detecting vehicle body height Download PDFInfo
- Publication number
- CN201335676Y CN201335676Y CNU2008201580678U CN200820158067U CN201335676Y CN 201335676 Y CN201335676 Y CN 201335676Y CN U2008201580678 U CNU2008201580678 U CN U2008201580678U CN 200820158067 U CN200820158067 U CN 200820158067U CN 201335676 Y CN201335676 Y CN 201335676Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- bodywork height
- vehicle
- enclosure body
- uses sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a vehicle body height sensor, which is arranged on a vehicle chassis; when the vehicle body height changes, a rotating shaft of the sensor is driven to rotate by a link rod so as to change the magnetic field intensity, the change of the magnetic filed intensity is sensed by a Hall chip, and finally the voltage signal is outputted for controlling the horizontal dimming of the headlamp of the vehicle to prevent the glare to the opposite vehicle and obviously improve the driving safety; meanwhile, the sensor is used on the adaptive chassis system for improving the vehicle driving comfort. The Hall chip in the vehicle body height sensor is used for sensing the small angular change by a rotary sealing mechanical structure. The utility model has the advantages of good linearity, high precision, strong real-time capability, and good vibration resistance, high and low temperature resistance and sealability.
Description
Technical field
The utility model relates to the control device technical field that electronic vehicle detects electric or electronic component, more specifically for relating to a kind of automobile sensor, can be applied to detect the body of a motor car height simultaneously and control the height of dipped headlights or adjust the self-adaptation chassis.
Background technology
In real-life automobile manufacturing field, automobile sensor is as the information source of Auto Electronic Controlled System, it is one of critical component of Auto Electronic Controlled System, also be the core content of technical field of automotive electronics research, and automobile sensor plays a part temperature, pressure, position, highly, various information such as acceleration and vibration carry out in real time, measure accurately and control.The key of weighing modern sedan limousine control system level just is the quantity and the level of its sensor, but the automobile sensor product of domestic existing highest level fell behind more than 10 year than external like product, the annual above high-performing car sensor of import 500,000 covers of wanting.Height sensor still is a new technology at home at present, and the height sensor that uses in the existing luxury car all is an import parts, and prices are rather stiff.
And the night running in the whole running time of automobile has also accounted for the ratio of quite a few, in the process of night running, beyond weather conditions, also exist the road surface to be uneven, perhaps need climb and fall, the various road surfaces factor of passing a bridge, night running is except the safety lighting of the road pavement of needs own, the dazzle that the night of opposite vehicle, dipped headlights produced also is one of safe labile factor, now press for and a kind ofly can in time control vehicle dipped headlights height according to pavement behavior, can effectively prevent the sensor device of the dazzle that the dipped headlights of opposite vehicle produces, and this device wants cost lower, be easy to popularize and install.
In addition, the self-adaptation chassis is equipped with on the increasing high-grade car, each height of taking turns axis suspension automatically adjusts to automobile by not having height sensor provides on the wheel shaft bodywork height signal, when on the rugged road surface of condition of road surface complexity, travelling, further strengthen the driving of vehicle and the comfortableness of taking.In the self-adaptation chassis system, height sensor is the most direct external input device.
The utility model content
In order to address the above problem, the utility model provides a kind of height sensor, changes by the Hall chip induced field, and output correspondent voltage signal or pwm signal realize that horizontal light modulation of automobile front or chassis height regulate automatically.Improved control, can initiatively prevent the dazzle that the dipped headlights sent a car in the opposite produces, strengthened traffic safety vehicle dipped headlights height; Be applied in simultaneously and can improve the comfortableness that vehicle is driven on the self-adaptation chassis system, and also reduced the price of height sensor the parts production domesticization time, help the reduction of domestic integral vehicle cost.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of bodywork height detects and uses sensor, comprises stationary part, housing parts and rotor portion, it is characterized in that:
Described stationary part comprises a stator seat, in this stator seat, be injected with the magnetic conductor of two arcuations and symmetric offset spread, wiring board is installed in the stator seat bottom by the pilot hole that is provided with on wiring board and the stator seat, this wiring board has been provided with a linear Hall chip, and this chip is positioned at the centre of the magnetic conductor of two arcuations and symmetric offset spread; The effect of magnetic conductor is that the magnetic field that two-stage is distributed is more even, has also improved magnetic field intensity.
Described housing parts comprises enclosure body and is arranged on the lower cover of stator seat bottom, and wherein be injected with a copper bearing in the enclosure body, top is provided with two hold-doun nuts, and bottom and the welding of wiring board junction are provided with three contact pins; Rotating shaft is directly passed the copper bearing after being coated with railway grease, the copper bearing plays the level and smooth effect of rotating of rotor that makes, two hold-doun nuts are used for that sensor is fixed to vehicle body and get on, three contact pin one ends are welded on the wiring board, the other end connects connector, groove in tongue on the lower cover and the enclosure body interlocks, and by epoxy bond together, keeps sealing.
Described rotor portion comprises rotator seat, rotating shaft, jump ring, pad, swing arm, magnet ring and outside framework oil seal, one of its shaft is injected in the swing arm, the copper bearing that the other end is passed in the enclosure body revolves riveting to rotator seat, and jump ring and pad are set in the rotating shaft, and magnet ring is bonded on the inwall of rotator seat.Swing arm is connected on the automobile chassis by link rod, responds to bodywork height in real time and changes.Magnet ring will rotate accordingly when swing arm is rotated, thereby makes the magnetic field that the middle Hall chip of magnet ring is experienced variation, at last by output correspondent voltage signal of the peripheral circuit on the wiring board or pwm signal.
Detect according to a kind of bodywork height of the present utility model and use sensor, it is characterized in that, described rotor rotates the changes of magnetic field that is produced and responds to by the linear Hall chip on the described wiring board and realize conversion of signals.
Use sensor according to a kind of bodywork height detection of the present utility model, it is characterized in that described rotor is realized concentric rotation by the copper bearing in the enclosure body.
Use sensor according to a kind of bodywork height detection of the present utility model, it is characterized in that the wiring board in the described stator is by being welded to connect the contact pin in the enclosure body, stator seat is fixed on the enclosure body by rivet hot.The shock resistance of the sensor that the design of contact pin 7 is also considered makes and can not rupture and come off.
Use sensor according to a kind of bodywork height detection of the present utility model, it is characterized in that described magnet ring and magnetic conductor and linear Hall chip are noncontacts.
Use sensor according to a kind of bodywork height detection of the present utility model, it is characterized in that the sealing of described rotating shaft realizes by outside framework oil seal.The fine problem that must solve sealing of outside framework oil seal.
Use sensor according to a kind of bodywork height detection of the present utility model, it is characterized in that described jump ring and pad prevent the rotating shaft axial motion, improve overall performance.
According to height sensor of the present utility model, change by the Hall chip induced field, output correspondent voltage signal or pwm signal are realized the self-adaptation adjusting on horizontal light modulation of automobile front and chassis.Improved control to vehicle dipped headlights height, can initiatively prevent the dazzle that the dipped headlights sent a car in the opposite produces, strengthened traffic safety, be applied in simultaneously and can improve the comfortableness that vehicle is driven on the self-adaptation chassis system, and also reduced the price of height sensor in the time of the parts production domesticization, helped the reduction of domestic integral vehicle cost.In addition, the utility model dependable performance, the linearity is good, precision is high, aggregate erection is simple.
Description of drawings
Fig. 1 is a schematic appearance of the present utility model;
Fig. 2 is a concrete structure synoptic diagram of the present utility model;
Fig. 3 is a concrete workflow synoptic diagram of the present utility model;
Fig. 4 is that each several part structure of the present utility model is separated synoptic diagram;
Fig. 5 is a stator modules part synoptic diagram of the present utility model;
Fig. 6 is a rotor module part synoptic diagram of the present utility model;
Fig. 7 is an enclosure body module section synoptic diagram of the present utility model.
Among the figure: 1-swing arm, 2-rotating shaft, 3-outside framework oil seal, 4-jump ring, 5-copper bearing, 6-enclosure body, the 7-contact pin, 8-wiring board, 9-magnetic conductor, 10-lower cover, 11-stator seat, 12-magnet ring, the linear Hall chip of 13-, 14-rotator seat, 15-pad, 16-packing ring, 17-hold-doun nut.
Embodiment
Below in conjunction with drawings and Examples the utility model is done further must the description.
A kind of height sensor comprises stator, rotor, enclosure body part:
Stationary part comprises a stator seat 11, magnetic conductor 9 and wiring board 8, wherein linear Hall chip 13 is welded on the wiring board 8, about circular-arc magnetic conductor 9 is divided into two, be injection-moulded in the form of a ring in the stator seat 11, wiring board 8 is positioned on the stator seat 11 by pilot hole, controls linear Hall chip 13 and can be inserted in the middle of two magnetic conductors.The effect of magnetic conductor 9 is to make gap location magnetic field more even, and direction is also consistent, has also improved magnetic field intensity simultaneously.
Housing parts comprises enclosure body 6, lower cover 10, wherein be injected with a copper bearing 5 in the enclosure body 6, two hold-doun nuts 17, three contact pins 7, there is rotating shaft 2 to pass in the copper bearing 5, copper bearing 5 plays the rotating shaft 2 level and smooth effects of rotating that make, two hold-doun nuts 17 are used for fixing on the vehicle body and go, three contact pin 7 one ends are welded on the wiring board 8, and the other end connects connector, and the groove in tongue on the lower cover 10 and the enclosure body 6 interlocks, by epoxy bond together, keep sealing.
Rotor portion comprises rotator seat 14, rotating shaft 2, swing arm 1, jump ring 4, pad 15, packing ring 16, magnet ring 12, outside framework oil seal 3.2 one of rotating shafts are injected in the two ends of swing arm 1 simultaneously with packing ring 16, outside framework oil seal 3, jump ring 4 are inserted in the rotating shaft 2 with pad 15, the copper bearing 5 that passes on the enclosure body of the other end of rotating shaft 2 revolves riveting in rotator seat 14 then, and magnet ring 12 is bonded on rotator seat 14 inwalls.
Each control module relation of the present utility model:
1. circuit control module:
Chip adopts general linear Hall chip 13, greatly must reduce cost, simultaneously also can done with high accuracy magnetic field induction and conversion.Peripheral circuit comprises 2 electric capacity and 1 resistance, and 2 electric capacity can well play filter action and satisfy the requirement of EMC.
2. stator modules:
As shown in Figure 5, the magnetic conductor 9 of pure iron has good magnetic property, and middle space is a bit larger tham the thickness of Hall chip 13, is 1.7mm, makes that simultaneously whole space Distribution of Magnetic Field is even, and the directivity unanimity is for the high-performance of sensor provides good good assurance.Wiring board 8 in stator seat, has guaranteed promptly that Hall chip 13 positions are accurate by the reference column rivet hot, has finished again and has fixed, and rational in infrastructure, shock resistance is good.
3. rotor module:
As shown in Figure 6, the magnet ring 12 that we adopt is to be formed by the two poles of the earth Agglutinate neodymium-iron-boron material die casting in opposite directions, and the magnet ring 12 that NdFeB material is made can be very thin, but magnetic field intensity can satisfy our requirement again, and Distribution of Magnetic Field is even simultaneously, and high temperature performance is good.Rotating shaft 2 and swing arm 1 are by high precision injection moulding control, good concentricity.Fixed between the rotator seat 14 transfer axles 2 by revolving rivet clasp, must reduce the initial angle error to greatest extent.Jump ring 4 and pad 15 prevent rotating shaft 2 axial motions, improve overall performance, the outside framework oil seal 3 fine problems that must solve sealing.
4. enclosure body module:
As shown in Figure 7, copper bearing 5 in the enclosure body has improved the lubricity of rotating shaft 2 rotations and has controlled its concentric rotation.The shock resistance of the sensor that the design of contact pin 7 is also considered makes and can not rupture and come off.Whole enclosure body outward appearance is light, attractive in appearance, be easy to install.
Embodiment:
Though the utility model is simple in structure, dependable performance, the linearity is good, precision is high, aggregate erection is also more convenient.And filled up the blank of domestic this product.The utility model is by the real-time Control of Automobile low beam of perception bodywork height light height, make it not produce dazzle to the opposite driver that sends a car, improved car steering safety, be applied in simultaneously and can improve the comfortableness that vehicle is driven on the self-adaptation chassis system, the growth that further develops for China's automobile industry has certain impetus, is applicable to various automobile industries field.
Claims (8)
1, a kind of bodywork height detects and uses sensor, comprises housing parts and wherein stator and rotor portion, it is characterized in that:
Described stationary part comprises a stator seat (11), in this stator seat, be provided with the magnetic conductor (9) of two arcuations and symmetric offset spread, one wiring board (8) is installed in the stator seat bottom, this wiring board (8) is provided with a linear Hall chip (13), and this chip is positioned at the centre of the magnetic conductor (9) of two arcuations and symmetric offset spread;
Described housing parts comprises enclosure body (6) and is arranged on the lower cover (10) of stator seat bottom that the groove in tongue on the lower cover (10) and the enclosure body (6) interlocks, by epoxy bond together;
Described rotor portion comprises that rotator seat (14), rotating shaft (2), swing arm (1) reach and outside framework oil seal (3), and one of its shaft is injected in the swing arm (1), and the copper bearing (5) that the other end is passed in the enclosure body (6) revolves riveting to rotator seat.
2, a kind of bodywork height as claimed in claim 1 detects and uses sensor, it is characterized in that the wiring board in the described stator (8) is welded to connect the contact pin (7) in the enclosure body (6).
3. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that, described magnet ring (12) is a non-contact type with magnetic conductor (9) and linear Hall chip (13).
4. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that copper bearing (5) top is provided with two hold-doun nuts (17).
5. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that, is injected with the welding of a bottom and wiring board (8) junction in the enclosure body and is provided with contact pin (7).
6. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that described rotor portion comprises jump ring (4), pad (15) and magnet ring (12), and described jump ring and pad are set in the rotating shaft, and described magnet ring is attached on the inwall of rotator seat.
7. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that, inserts semi-circular magnetic conductor (9) in the middle of the circular magnet ring (12).
8. a kind of bodywork height as claimed in claim 1 detects uses sensor, it is characterized in that, sensor top is by outside framework oil seal (3) and rotating shaft (2) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201580678U CN201335676Y (en) | 2008-12-29 | 2008-12-29 | Sensor used for detecting vehicle body height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201580678U CN201335676Y (en) | 2008-12-29 | 2008-12-29 | Sensor used for detecting vehicle body height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335676Y true CN201335676Y (en) | 2009-10-28 |
Family
ID=41287331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201580678U Expired - Lifetime CN201335676Y (en) | 2008-12-29 | 2008-12-29 | Sensor used for detecting vehicle body height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335676Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192759A (en) * | 2010-03-11 | 2011-09-21 | 上海信耀电子有限公司 | Circumferential magnetic conduction structure of Hall sensor |
| CN102561773A (en) * | 2012-01-11 | 2012-07-11 | 杭州西子石川岛停车设备有限公司 | Vehicle chassis height detecting device |
| CN102644399A (en) * | 2011-02-18 | 2012-08-22 | 北京航天汇信科技有限公司 | Automobile chassis sensing device |
| CN102645153A (en) * | 2012-05-03 | 2012-08-22 | 上海小糸车灯有限公司 | Vehicle chassis height sensor |
| CN101726242B (en) * | 2009-12-25 | 2012-11-28 | 奇瑞汽车股份有限公司 | Detection device and detection method for position of automotive rotary headlamp |
| CN104457651A (en) * | 2013-09-22 | 2015-03-25 | 上海信耀电子有限公司 | Detection device and detection method of automobile height sensor |
| CN104685320A (en) * | 2012-08-17 | 2015-06-03 | Cts公司 | Motor vehicle chassis sensor |
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
| CN106494526A (en) * | 2016-12-28 | 2017-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary mould for bodywork height measurement |
| CN109883311A (en) * | 2019-03-11 | 2019-06-14 | 浙江可得电子科技有限公司 | Level sensor |
| CN115218772A (en) * | 2022-07-11 | 2022-10-21 | 索密克汽车配件有限公司 | Real-time in-transit detection system for height of ball head and automobile chassis |
-
2008
- 2008-12-29 CN CNU2008201580678U patent/CN201335676Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726242B (en) * | 2009-12-25 | 2012-11-28 | 奇瑞汽车股份有限公司 | Detection device and detection method for position of automotive rotary headlamp |
| CN102192759A (en) * | 2010-03-11 | 2011-09-21 | 上海信耀电子有限公司 | Circumferential magnetic conduction structure of Hall sensor |
| CN102644399A (en) * | 2011-02-18 | 2012-08-22 | 北京航天汇信科技有限公司 | Automobile chassis sensing device |
| CN102644399B (en) * | 2011-02-18 | 2014-03-05 | 北京航天汇信科技有限公司 | Automobile chassis sensing device |
| CN102561773A (en) * | 2012-01-11 | 2012-07-11 | 杭州西子石川岛停车设备有限公司 | Vehicle chassis height detecting device |
| CN102645153A (en) * | 2012-05-03 | 2012-08-22 | 上海小糸车灯有限公司 | Vehicle chassis height sensor |
| CN106441377A (en) * | 2012-08-17 | 2017-02-22 | Cts公司 | Motor vehicle chassis sensor |
| CN104685320A (en) * | 2012-08-17 | 2015-06-03 | Cts公司 | Motor vehicle chassis sensor |
| CN106441377B (en) * | 2012-08-17 | 2020-02-21 | Cts公司 | Motor vehicle chassis sensor |
| CN104457651A (en) * | 2013-09-22 | 2015-03-25 | 上海信耀电子有限公司 | Detection device and detection method of automobile height sensor |
| CN104457651B (en) * | 2013-09-22 | 2018-01-16 | 上海信耀电子有限公司 | The detection device and detection method of automobile height sensor |
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
| CN106494526A (en) * | 2016-12-28 | 2017-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary mould for bodywork height measurement |
| CN109883311A (en) * | 2019-03-11 | 2019-06-14 | 浙江可得电子科技有限公司 | Level sensor |
| CN115218772A (en) * | 2022-07-11 | 2022-10-21 | 索密克汽车配件有限公司 | Real-time in-transit detection system for height of ball head and automobile chassis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201335676Y (en) | Sensor used for detecting vehicle body height | |
| CN109693721A (en) | A kind of automobile tail fin self-checking device | |
| CN201849628U (en) | Structure of electric power-assisted sensor on rear fork of bicycle | |
| CN101983893A (en) | Structure of electric power sensor on bicycle rear fork | |
| CN116202785A (en) | Dynamic simulation device for vertical load of electric wheel of hub-driven automobile and application method | |
| CN203047039U (en) | Multi-degree of freedom automotive headlamp control device | |
| CN201935663U (en) | Height sensor for automobile body | |
| CN102645153A (en) | Vehicle chassis height sensor | |
| CN203496756U (en) | Vehicle body height sensor | |
| CN206321200U (en) | Phase detector | |
| CN2872362Y (en) | Active wheel-speed sensor installation structure of driving wheel for automobile | |
| CN202582475U (en) | Vehicle chassis height sensor | |
| CN207147396U (en) | A kind of automotive suspension height sensor | |
| CN101206125A (en) | Programmable position sensor | |
| CN203318168U (en) | Vehicular electronic accelerator pedal | |
| CN204688203U (en) | Loader steering-by-wire road feel simulation device | |
| CN203549641U (en) | Lamp with multi-directionally adjustable optical axis | |
| CN1831503A (en) | Crank torque inductor for power-assisted electric vehicle | |
| CN204128490U (en) | A kind of height sensor for automobile body | |
| CN201685824U (en) | Bogie journal box connecting device | |
| CN203605897U (en) | Vehicle height sensor | |
| CN203177838U (en) | Angle and torque sensor assembly used for automobile electric power assisted steering | |
| CN204514263U (en) | Height sensor | |
| CN201907413U (en) | Electronic pedal assembly | |
| CN104859710B (en) | Loading machine steering-by-wire road feel simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091028 |
|
| CX01 | Expiry of patent term |