CN203020164U - Curve self-adaption lighting device of automotive headlamp - Google Patents
Curve self-adaption lighting device of automotive headlamp Download PDFInfo
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- CN203020164U CN203020164U CN 201220617790 CN201220617790U CN203020164U CN 203020164 U CN203020164 U CN 203020164U CN 201220617790 CN201220617790 CN 201220617790 CN 201220617790 U CN201220617790 U CN 201220617790U CN 203020164 U CN203020164 U CN 203020164U
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Abstract
The utility model discloses a curve self-adaption lighting device of an automotive headlamp. The lighting device is characterized by comprising a stepping motor which is connected with the headlamp, a single chip microcomputer, a buzzer, a speed sensor, a steering wheel angle sensor and a torque sensor, wherein the speed sensor, the steering wheel angle sensor and the torque sensor are respectively connected on an input end of the single chip microcomputer, the stepping motor and the buzzer are connected on an output end of the single chip microcomputer. The curve self-adaption lighting device of the automotive headlamp can effectively avoid the appearances of traffic accidents due to the fact that lighting dead zone exist when an automobile runs in a curve at night.
Description
Technical field
The utility model belongs to the electronic auto-control technology field, relates to a kind of auxiliary device of vehicle going at night, is specifically related to a kind of SCM Based car headlamp bend self-adapting illumination device.
Background technology
At present, most automobiles are installed as conventional headlamp, has fixing illumination zone, when automobile when night running runs into bend, can't change the direction of illumination of light due to conventional headlamp, can cause the blind area in the inboard of bend, affect the driver to the correct judgement of the place ahead obstacle, thereby lead to traffic accident.On the current a large amount of low and middle-grade automobiles of China, head lamp bend self adaptation Lighting System is not housed, only just is equipped with head lamp bend self-adapting illumination device on some high-grade automobiles, and complex structure, cost is higher, therefore is not suitable for general-utility car.
Summary of the invention
Deficiency and defective when travelling for orthodox car head lamp night curve, the purpose of this utility model are to provide a kind of SCM Based car headlamp self-adapting illumination device.With early warning, automatically regulate the mode that the head lamp irradiating angle combines, effectively reduce the traffic accident of travelling and existing the blind area to cause because of night curve.
In order to realize above-mentioned task, the utility model adopts following technical solution to be achieved:
A kind of car headlamp bend self-adapting illumination device, it is characterized in that, comprise the stepping motor, micro controller system, buzzer phone, car speed sensor, steering wheel angle sensor and the torque sensor that are connected with head lamp, wherein, car speed sensor, steering wheel angle sensor and torque sensor are connected to the input end of micro controller system, and stepping motor and buzzer phone are connected to the mouth of micro controller system.
Other characteristics of the present utility model are:
Described micro controller system adopts Freescale S12X model micro controller system.
Described steering wheel angle sensor adopts EPC-755A model photoelectric encoder.
Described car speed sensor adopts the Hall-type car speed sensor.
Described torque sensor adopts potentiometer torsion bar type torque sensor.
Described stepping motor adopts two-phase hybrid stepping motor.
Car headlamp bend self-adapting illumination device of the present utility model utilizes car speed sensor, the moving velocity when the real-time detection automobile enters negotiation of bends, the angle case whether steering wheel angle sensor and torque sensor real-time detection automobile turn to and turn over.Micro controller system compares the signal value of sensor passes and prior ready-portioned class, judges the motoring condition of automobile, judges whether that sending signal to buzzer phone carries out alarm.When judging that automobile is in negotiation of bends, micro controller system just sends control signal, and control step driven by motor head lamp turns to the position that needs, and realizes the change of head lamp irradiating angle.Device of the present utility model adopts early warning and automatically regulates the mode that the irradiating angle of head lamp combines, can actv. reduce automobile when night curve travels because there being the generation of the traffic accident that lighting blind zone causes.
Description of drawings
Fig. 1 is this practical structural representation.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The specific embodiment
As shown in Figure 1, the present embodiment provides a kind of car headlamp bend self-adapting illumination device, comprise micro controller system, the stepping motor that is connected with head lamp, buzzer phone, car speed sensor, steering wheel angle sensor and torque sensor, car speed sensor, steering wheel angle sensor and torque sensor are connected to the input end of micro controller system, and stepping motor and buzzer phone are connected to the mouth of micro controller system.
In the present embodiment, micro controller system is selected Freescale S12X micro controller system; Steering wheel angle sensor adopts EPC-755A model photoelectric encoder; Car speed sensor adopts the Hall-type car speed sensor; Torque sensor adopts potentiometer torsion bar type torque sensor.
Torque sensor is installed the below with Steering gear, and its signal wire (SW) is connected with the first input channel of micro controller system, is used for measurement steerman in real time and acts on moment size and Orientation on steering handwheel; Steering wheel angle sensor is installed between steering handwheel and pole changer, and its signal wire (SW) is connected with the second input channel of Freescale S12X micro controller system, is used for measuring in real time the angular dimension that turns over when automobile cornering travels; Car speed sensor is installed on the output shaft side of change-speed box, and its signal wire (SW) is connected with the third channel of Freescale S12X micro controller system, is used for the moving velocity of real-time measured automobiles; Buzzer phone is installed on the vehicle drive chamber interior, and its signal wire (SW) is connected with the first delivery channel of micro controller system, is used for the turning alarm; Stepping motor is connected with the second delivery channel of Freescale S12X micro controller system, and stepping motor is connected in parallel on the car light line simultaneously, is used for controlling the rotation of head lamp.
During use, torque sensor collection steerman acts on the moment size and Orientation on steering handwheel, Freescale S12X micro controller system is accepted the signal from sensor, and itself and the value of setting are in advance compared, the operation intention of judgement steerman judges whether and need to send the bend alarm to buzzer phone.The angular dimension that turns over when car speed sensor and steering wheel angle sensor Real-time Collection automobile driving speed and negotiation of bends, and collection signal is passed to Freescale S12X micro controller system, Freescale S12X micro controller system calculates the angle of head lamp needs adjustment in the horizontal direction according to speed and corner size variation, then control step motor action, drive head lamp and turn over corresponding angle, complete the with an automatic light meter of head lamp.
In manufacturing process, electronic devices and components used are commercially available known product, and those skilled in the art can realize the connection of each electronic devices and components according to the application's technique effect.
Need to prove; above embodiment describes principle of the present utility model; the utility model is not limited to this embodiment; the equivalents that those skilled in the art does on present techniques scheme basis or interpolation and the replacement of technical characterictic all should belong to protection domain of the present utility model.
Claims (6)
1. car headlamp bend self-adapting illumination device, it is characterized in that, comprise the stepping motor, micro controller system, buzzer phone, car speed sensor, steering wheel angle sensor and the torque sensor that are connected with head lamp, wherein, car speed sensor, steering wheel angle sensor and torque sensor are connected to the input end of micro controller system, and stepping motor and buzzer phone are connected to the mouth of micro controller system.
2. car headlamp bend self-adapting illumination device as claimed in claim 1, is characterized in that, described micro controller system adopts Freescale S12X model micro controller system.
3. car headlamp bend self-adapting illumination device as claimed in claim 1, is characterized in that, described steering wheel angle sensor adopts EPC-755A model photoelectric encoder.
4. car headlamp bend self-adapting illumination device as claimed in claim 1, is characterized in that, described car speed sensor adopts the Hall-type car speed sensor.
5. car headlamp bend self-adapting illumination device as claimed in claim 1, is characterized in that, described torque sensor adopts potentiometer torsion bar type torque sensor.
6. car headlamp bend self-adapting illumination device as claimed in claim 1, is characterized in that, described stepping motor adopts two-phase hybrid stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617790 CN203020164U (en) | 2012-11-20 | 2012-11-20 | Curve self-adaption lighting device of automotive headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617790 CN203020164U (en) | 2012-11-20 | 2012-11-20 | Curve self-adaption lighting device of automotive headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203020164U true CN203020164U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617790 Expired - Fee Related CN203020164U (en) | 2012-11-20 | 2012-11-20 | Curve self-adaption lighting device of automotive headlamp |
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| CN (1) | CN203020164U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270251A (en) * | 2015-10-29 | 2016-01-27 | 中国计量学院 | Intelligent control system of automotive LED headlamp |
| WO2016011838A1 (en) * | 2014-07-25 | 2016-01-28 | 北汽福田汽车股份有限公司 | Prompting method and system for vehicle steering and automobile with prompting system |
| CN107972567A (en) * | 2017-11-30 | 2018-05-01 | 苏州切思特电子有限公司 | Vehicle front lighting light regulating system based on hall sensing |
-
2012
- 2012-11-20 CN CN 201220617790 patent/CN203020164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016011838A1 (en) * | 2014-07-25 | 2016-01-28 | 北汽福田汽车股份有限公司 | Prompting method and system for vehicle steering and automobile with prompting system |
| CN105270251A (en) * | 2015-10-29 | 2016-01-27 | 中国计量学院 | Intelligent control system of automotive LED headlamp |
| CN107972567A (en) * | 2017-11-30 | 2018-05-01 | 苏州切思特电子有限公司 | Vehicle front lighting light regulating system based on hall sensing |
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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: 20130626 Termination date: 20131120 |