CN202448822U - Automobile self-adapting headlamp device based on singlechip - Google Patents
Automobile self-adapting headlamp device based on singlechip Download PDFInfo
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- CN202448822U CN202448822U CN2011205235081U CN201120523508U CN202448822U CN 202448822 U CN202448822 U CN 202448822U CN 2011205235081 U CN2011205235081 U CN 2011205235081U CN 201120523508 U CN201120523508 U CN 201120523508U CN 202448822 U CN202448822 U CN 202448822U
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Abstract
The utility model discloses an automobile self-adapting headlamp device based on a singlechip. The automobile self-adapting headlamp device comprises a singlechip, a signal processing circuit, a steering wheel rotor angle sensor, an automobile speed sensor and two stepping motors, wherein the steering wheel rotor angle sensor and the automobile speed sensor are respectively connected with the input end of the signal processing circuit; the output end of the signal processing circuit is connected with the input end of the singlechip, and the output end of the singlechip is connected with the two stepping motors through a driving circuit; the singlechip adopts a STC (Space Time Coding) 12C5A60AD singlechip, and the signal processing circuit adopts a 74 LS 19 chip; and the steering wheel rotor angle sensor adopts an EPC (electronic product code)-755A optical electricity encoder, and the automobile speed sensor adopts a PL (parting line)-003 automobile speed sensor.. The device controls an automobile headlamp through the singlechip connected with the sensors, when an automobile turns, an illumination angle of the headlamp can be automatically regulated, and the common chip is adopted, so that the self-adaptive regulation of the headlamp can be realized with low cost.
Description
Technical field
The utility model relates to the automotive lighting field, is specifically related to a kind of SCM Based automotive self-adaptive front lamp device.
Background technology
Car headlamp is important automobile active safety parts, when night travel, suitable illumination functions can be provided, when particularly turn night, if can not see in time that the other side sends a car, and tends to take place severe traffic accidents.Show according to foreign statistic, though the vehicle flowrate at night less than daytime flow 1/5th, nocturnal traffic accident, but surpass have an accident daytime 1/4th, and the traffic accident that wherein causes at bend has accounted for major part especially.
Car headlamp mostly has fixing irradiating angle and scope at present.When automobile goes on bend night; Head lamp can't be regulated the upper beam direction of principal axis, usually can occur " blind area " at curve inner side, and driver vision is confined in the linear extent of headlight beam irradiation; Thereby bring safety traffic hidden danger; Therefore, study a kind of adaptive front lamp device that can automatically regulating head lamp irradiating angle when automobile turning, be necessary for traffic safety.
Summary of the invention
Defective or deficiency to above-mentioned prior art existence; The purpose of the utility model is; A kind of SCM Based automotive self-adaptive front lamp device is provided, and this device is through sensor bonded assembly Single-chip Controlling car head lamp, can be when automobile turning automatically regulating head lamp irradiating angle; And the employing common chip is hanged down the self adaptation that has become to realize head lamp and is regulated.
To achieve these goals, the utility model adopts following technical solution to be achieved:
A kind of SCM Based automotive self-adaptive front lamp device is characterized in that, comprises micro controller system, signal processing circuit, steering wheel angle sensor, car speed sensor and two stepping motors; Wherein, steering wheel angle sensor and car speed sensor are connected the input end of signal processing circuit respectively, and the mouth of said signal processing circuit connects the input end of micro controller system, and the mouth of micro controller system is connected with two stepping motors through driving circuit.
The utility model also comprises following other technologies characteristic:
Said micro controller system adopts the STC12C5A60AD micro controller system.
Said signal processing circuit adopts the 74LS19 chip.
Said steering wheel angle sensor adopts EPC-755A photoelectric encoder.
Said car speed sensor adopts PL-003 car speed sensor.
The PMM8713 cycle pulse distributor that said driving circuit adopts Japanese SANYO company to produce.
Description of drawings
Fig. 1 is the SCM Based automotive self-adaptive front lamp device hardware structure diagram of the utility model.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
The specific embodiment
With reference to Fig. 1, the SCM Based automotive self-adaptive front lamp device of the utility model comprises micro controller system, signal processing circuit, steering wheel angle sensor, car speed sensor and two stepping motors.Wherein, steering wheel angle sensor and car speed sensor are connected the input end of signal processing circuit respectively, and the mouth of said signal processing circuit connects the input end of micro controller system, and the mouth of micro controller system is connected with two stepping motors through driving circuit.
Said micro controller system adopts the STC12C5A60AD micro controller system.
Said signal processing circuit adopts the 74LS19 chip, for improving the car speed sensor signal waveform, carries out signal conditioning through the method that voltage stabilizing, Schmidt's shaping and input and output are isolated.
Said steering wheel angle sensor adopts EPC-755A photoelectric encoder.
Said car speed sensor adopts PL-003 car speed sensor.
Said stepping motor has two, is used for controlling respectively left and right head lamp.
The PMM8713 cycle pulse distributor that said driving circuit adopts Japanese SANYO company to produce, the L298N step motor drive chip that also can adopt ST company to produce.Driving circuit comes the corner of control step motor through the output digital polse.
During practical application, steering wheel angle sensor is installed on the Steering gear of steering handwheel bottom, and car speed sensor is installed in certain wheel nave place, and two stepping motors are installed in the bulb rear end in the left and right head lamp lampshade respectively.
The working process of the utility model is following:
During automobile turning driving at night, steering wheel angle sensor is gathered square plate rotational angle signal, and car speed sensor is gathered GES, after angular signal and GES are put in order through signal processing circuit, and the input micro controller system.Micro controller system judges whether head lamp is carried out horizontal light modulation according to angular signal and GES; And further calculate the adjusting angle of two lamps on left and right directions; Convert each stepping motor state of kinematic motion controlled variable then to; Control corresponding stepping motor action through driving circuit, accomplish the light modulation process.
The utility model is a core with the STC12C5A60AD micro controller system, has effectively realized the adjusting of head lamp irradiating angle in the automobile turning process, has avoided the generation of accident.
Claims (6)
1. a SCM Based automotive self-adaptive front lamp device is characterized in that, comprises micro controller system, signal processing circuit, steering wheel angle sensor, car speed sensor and two stepping motors; Wherein, steering wheel angle sensor and car speed sensor are connected the input end of signal processing circuit respectively, and the mouth of said signal processing circuit connects the input end of micro controller system, and the mouth of micro controller system is connected with two stepping motors through driving circuit.
2. SCM Based automotive self-adaptive front lamp device as claimed in claim 1 is characterized in that, said micro controller system adopts the STC12C5A60AD micro controller system.
3. SCM Based automotive self-adaptive front lamp device as claimed in claim 1 is characterized in that, said signal processing circuit adopts the 74LS19 chip.
4. SCM Based automotive self-adaptive front lamp device as claimed in claim 1 is characterized in that, said steering wheel angle sensor adopts the EPC-755A photoelectric encoder.
5. SCM Based automotive self-adaptive front lamp device as claimed in claim 1 is characterized in that, said car speed sensor adopts the PL-003 car speed sensor.
6. SCM Based automotive self-adaptive front lamp device as claimed in claim 1 is characterized in that, the PMM8713 cycle pulse distributor that said driving circuit adopts Japanese SANYO company to produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205235081U CN202448822U (en) | 2011-12-14 | 2011-12-14 | Automobile self-adapting headlamp device based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205235081U CN202448822U (en) | 2011-12-14 | 2011-12-14 | Automobile self-adapting headlamp device based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202448822U true CN202448822U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205235081U Expired - Fee Related CN202448822U (en) | 2011-12-14 | 2011-12-14 | Automobile self-adapting headlamp device based on singlechip |
Country Status (1)
| Country | Link |
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| CN (1) | CN202448822U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192054A (en) * | 2014-09-24 | 2014-12-10 | 奇瑞汽车股份有限公司 | Laser radar detection system based on AFS |
| CN104442543A (en) * | 2014-11-28 | 2015-03-25 | 江苏迅驰汽车部件有限公司 | Driver intension identification combining intelligent follow-up headlamp control system |
| CN105034934A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | Vehicle headlamp servo control system |
| CN105034932A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | Vehicle headlamp servo control system based on low noise amplifier |
| CN110497840A (en) * | 2019-09-23 | 2019-11-26 | 吉林大学 | A kind of motor vehicle steering following-up lighting device |
-
2011
- 2011-12-14 CN CN2011205235081U patent/CN202448822U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192054A (en) * | 2014-09-24 | 2014-12-10 | 奇瑞汽车股份有限公司 | Laser radar detection system based on AFS |
| CN104442543A (en) * | 2014-11-28 | 2015-03-25 | 江苏迅驰汽车部件有限公司 | Driver intension identification combining intelligent follow-up headlamp control system |
| CN105034934A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | Vehicle headlamp servo control system |
| CN105034932A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | Vehicle headlamp servo control system based on low noise amplifier |
| CN110497840A (en) * | 2019-09-23 | 2019-11-26 | 吉林大学 | A kind of motor vehicle steering following-up lighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20121214 |