CN203172518U - Area array LED (light-emitting diode) car lamp control system for meeting at night - Google Patents
Area array LED (light-emitting diode) car lamp control system for meeting at night Download PDFInfo
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- CN203172518U CN203172518U CN 201320206946 CN201320206946U CN203172518U CN 203172518 U CN203172518 U CN 203172518U CN 201320206946 CN201320206946 CN 201320206946 CN 201320206946 U CN201320206946 U CN 201320206946U CN 203172518 U CN203172518 U CN 203172518U
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Abstract
The utility model relates to car lighting technology, and discloses an area array LED (light-emitting diode) car lamp control system for meeting at night. The area array LED car lamp control system comprises area array LED car lamps, an environmental detector, an ECU (electronic control unit), an executor and an information output device, the area array LED car lamps are mounted at car headlamps, an input end of the ECU is connected with an output end of the environmental detector, corresponding output ends of the ECU are connected with input ends of the executor and the information output device respectively, and an output end of the executor is connected with the area array LED car lamps. The angle and the brightness of the LED car lamps can be automatically adjusted according to the driving environment of meeting at night, and safety of meeting at night is improved.
Description
Technical field
The utility model relates to the car lighting technology, particularly the face matrix LED car lamp control system used of a kind of nighttime meeting.
Background technology
During night travel, because available light is poor, it is not good to throw light on, and causes the driver's observation difficulty.Particularly importantly, night travel is often wanted meeting.The country beam that general vehicle is equipped with is 75W, and the distance that can see object clearly is about 50～60 meters, passing light 55W, and the distance that can see object clearly is about 15～20 meters.People's the light adaptation time is about several seconds, and the dark adatpation time is about a few minutes even longer time.In the Vehicle during Crossing Event, if untimely switching passing light, the eyes that bright and dark light changes acutely steerman produce strong impulse, cause the of short duration vision of the steerman phenomenon of losing one's sight, thereby cause traffic accident easily.In addition, under the bend situation, simple far and near light conversion can not be satisfied the lighting requirement to pavement of road, therefore needs light to be offset to turn direction.Correlative study at present fails to consider factors such as road alignment, illumination Luminance Distribution, still has very big nighttime meeting potential safety hazard.
Summary of the invention
The face matrix LED car lamp control system that provides a kind of nighttime meeting to use is provided the purpose of this utility model, angle, the brightness of the automatic adjusting range matrix LED of the running environment car light in the time of can be according to the vehicle nighttime meeting, the safety that improves nighttime meeting.
For achieving the above object, the utility model is achieved by the following technical solutions.
The face matrix LED car lamp control system that a kind of nighttime meeting is used, it is characterized in that, comprise the face matrix LED car light, environmental detector, electronic control unit ECU, actr and the information output device that are installed in the vehicle head lamp position, the input end of described electronic control unit ECU connects the mouth of described environmental detector, the corresponding mouth of described electronic control unit ECU connects the input end of described actr and information output device respectively, and the mouth of described actr connects described matrix LED car light; Described environmental detector comprises for the millimeter wave radar of measuring opposite vehicle relative distance, the inertia sensor that is used for the measuring vehicle yaw velocity is used for the steering wheel angle sensor of measuring vehicle bearing circle rotational angle and the vehicle body speed sensor that is used for the collection vehicle moving velocity; Described actr comprises for the car light angle demodulator of described matrix LED car light level of control and vertical angle and is used for the car light brightness controller that described matrix LED car light Illumination intensity of control distributes; Described information output device comprises LCDs and/or combined aural and visual alarm.
Characteristics of the present utility model and further the improvement are:
Described matrix LED car light comprises base plate and the array-type LED lamp source of being fixed on the described base plate.
Described millimeter wave radar is installed on the car plate below of vehicle front.
Described inertia sensor is installed in the center of vehicle chassis.
Described steering wheel angle sensor is installed on the steering wheel for vehicle.
Described LCDs is installed on the gauge panel.
The face matrix LED car lamp control system that nighttime meeting of the present utility model is used, when keeping straight on meeting night, electronic control unit ECU control car light brightness controller, the brightness of LED car light is increased gradually from road mediad road right side, reduction is to the interference of opposite vehicle navigating mate, strengthen the brightness of illumination on road right side simultaneously, can reduce the light and shade rate of change of light in the Vehicle during Crossing Event, light is to the adverse effect of steerman when reducing meeting, in addition, the vertical angle that electronic control unit ECU control car light angle demodulator is regulated the array LED car light makes distance light become dipped beam; In addition, when turning meeting night, when increasing the starboard light luminance brightness and making distance light become dipped beam, the bend curvature that calculates by electronic control unit ECU, electronic control unit ECU control car light angle demodulator is adjusted face matrix LED car light angle in the horizontal direction, face matrix LED car light is radiated on the curved road surface equably, and the utility model can effectively improve the safety of nighttime meeting.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
The frame construction drawing of the face matrix LED car lamp control system that Fig. 1 uses for a kind of nighttime meeting of the present utility model;
The plan sketch of the face matrix LED car light of the face matrix LED car lamp control system that Fig. 2 uses for the nighttime meeting shown in Fig. 1;
The workflow scheme drawing of the face matrix LED car lamp control system that Fig. 3 uses for the nighttime meeting shown in Fig. 1.
The specific embodiment
With reference to Fig. 1, the frame construction drawing of the face matrix LED car lamp control system of using for a kind of nighttime meeting of the present utility model.The face matrix LED car lamp control system that nighttime meeting of the present utility model is used comprises face matrix LED car light, environmental detector, electronic control unit ECU, actr and the information output device that is installed in the vehicle head lamp position, the mouth of the input end JA(junction ambient) detector of electronic control unit ECU, the corresponding mouth of electronic control unit ECU connects the input end of actr and information output device respectively, the mouth joint face matrix LED car light of actr; Environmental detector comprises for the millimeter wave radar of measuring opposite vehicle relative distance, the inertia sensor that is used for the measuring vehicle yaw velocity, be used for the steering wheel angle sensor of measuring vehicle bearing circle rotational angle and the car speed sensor that is used for the collection vehicle moving velocity, in the present embodiment, the speed of a motor vehicle also can obtain by vehicle body CAN bus; Actr comprises for the car light angle demodulator of the level of control surface matrix LED car light and vertical angle and is used for the car light brightness controller that control surface matrix LED car light Illumination intensity distributes; Information output device comprises LCDs and/or combined aural and visual alarm.
With reference to Fig. 2, the plan sketch of the face matrix LED car light of the face matrix LED car lamp control system of using for the nighttime meeting shown in Fig. 1.Face matrix LED car light comprises base plate and the array-type LED lamp source of being fixed on the base plate, the car light angle demodulator is provided with two regulating level angle respectively and holding up the motor of angle of being connected with the base plate of face matrix LED car light, motor is controlled by electronic control unit ECU, the car light brightness controller is by the Illumination intensity of adjusting array LED lamp source file, thus adjusting left and right sides intensity of light.
Millimeter wave radar is installed on the car plate below of vehicle front, and millimeter wave radar has characteristics such as volume is little, penetrating capacity strong, disturbance rejection.Can effectively identify the relative distance with the opposite vehicle during meeting, and pass to electronic control unit ECU and carry out analyzing and processing.Night travel generally need be opened country beam, detects when equaling 150m with the opposite vehicle distances when electronic control unit ECU receives millimeter wave radar, judges that two cars reaches the meeting state, sends control signal to actr immediately.
The inertia sensor is installed in the center of vehicle chassis, and steering wheel angle sensor is installed on the steering wheel for vehicle.With the running velocity that speed sensor obtains, the bearing circle rotational angle that the yaw velocity that the inertia sensor obtains and steering wheel angle sensor obtain can estimate the bend curvature of turn inside diameter.
LCDs and combined aural and visual alarm are installed on the gauge panel, LCDs is used for showing the state of controlled matrix LED car light, the distance and the left and right sides distribution situation that comprise light in the working process, combined aural and visual alarm is used for providing corresponding sound and light alarm signal when the dangerous target in right side, track.
With reference to Fig. 3, the workflow scheme drawing of the face matrix LED car lamp control system of using for the nighttime meeting shown in Fig. 1.The control method of the face matrix LED car lamp control system that nighttime meeting of the present utility model is used may further comprise the steps:
(1) meeting range observation: by the distance of millimeter wave radar detection with the opposite vehicle, millimeter wave radar sends detected range signal to electronic control unit ECU, when the detected distance of millimeter wave radar equaled 150m, electronic control unit ECU judged that two cars enters the meeting state;
(2) turn inside diameter or the judgement of keeping straight on: by the Vehicular yaw cireular frequency that the inertia sensor records, the steering wheel for vehicle rotational angle that steering wheel angle sensor records, electronic control unit ECU judge that with the opposite vehicle be craspedodrome meeting or turning meeting; If the turning meeting, the speed of a motor vehicle input electronic control unit ECU of the vehicle that records by Vehicular yaw cireular frequency, bearing circle rotational angle and the speed sensor that records, electronic control unit ECU calculates the bend curvature of turning.
(3) face matrix LED car light is regulated: during the craspedodrome meeting, electronic control unit ECU control car light brightness controller, the brightness in array LED lamp source, reduction face matrix LED car light left side and the brightness in enhancing array LED lamp source, right side, adjust face matrix LED car light in the angle of vertical direction by the car light angle demodulator simultaneously, make distance light become dipped beam; During the turning meeting, in the brightness that reduces array LED lamp source, face matrix LED car light left side and the brightness in enhancing array LED lamp source, right side, and the face of adjustment matrix LED car light is in the angle of vertical direction, when making distance light become dipped beam, the bend curvature that calculates according to electronic control unit ECU, electronic control unit ECU control car light angle demodulator is adjusted face matrix LED car light angle in the horizontal direction, face matrix LED car light is radiated on the curved road surface equably, and the utility model can effectively improve the safety of nighttime meeting.
The face matrix LED car lamp control system that nighttime meeting of the present utility model is used has following beneficial effect:
(1) controls the light transformation of face matrix LED car light when keeping straight on meeting night automatically
During nighttime meeting, can record relative distance with the opposite vehicle by millimeter wave radar, when receiving millimeter wave radar, electronic control unit ECU detects when equaling 150m with the opposite vehicle distances, send control signal to actr immediately, by the car light angle demodulator controlled matrix LED car light is rotated down certain angle, the light beam height that makes head lamp send is lower than the steerman sight line, realizes the switching of distance light dimming; Simultaneously, but by the Illumination intensity that the car light brightness controller is regulated each row array-type LED lamp source, make the brightness of face matrix LED car light from left to right strengthen gradually, increase the visual effect on right side, realize Illumination intensity moderate change in Vehicle during Crossing Event, strengthen the safety of craspedodrome meeting.
(2) control the light transformation of face matrix LED car light when turning meeting night automatically
When turning meeting night, with the running velocity that vehicle body CAN bus is obtained, the bearing circle rotational angle that the yaw velocity that the inertia sensor obtains and steering wheel angle sensor obtain estimates the bend curvature of turn inside diameter; Electronic control unit ECU is after calculating bend curvature, send control signal to actr immediately, regulate level and the vertical angle of controlled matrix LED car light by the car light angle demodulator, luminance distribution by car light brightness controller control surface matrix LED car light, increase right photograph intensity, make head lamp be transformed to passing light by country beam, face matrix LED car light carries out level angle to be regulated along with the variation of self car negotiation of bends, and be radiated at equably on the curved road surface, increase the safety of vehicle when turning night.
(3) reduce the potential safety hazard that bumps with road right side vehicle etc.
The utility model can weaken the left side intensity of light when meeting, strengthen the starboard light light intensity, thereby make that light brightness on the road of right side is more even, wider, increased the visual field visual range of steerman, can reduce the potential safety hazard that the right side bumps.
(4) energy-saving and cost-reducing
The utility model adopts controlled matrix LED car light, thereby has realized the high-effect low-power consumption function of vehicle car light.
Although below by reference to the accompanying drawings embodiment of the present utility model is described, the utility model is not limited to above-mentioned specific embodiments, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that the utility model claim protects, can also make a variety of forms under the enlightenment of this specification sheets, these all belong to the row of the utility model protection.
Claims (6)
1. face matrix LED car lamp control system that nighttime meeting is used, it is characterized in that, comprise the face matrix LED car light, environmental detector, electronic control unit ECU, actr and the information output device that are installed in the vehicle head lamp position, the input end of described electronic control unit ECU connects the mouth of described environmental detector, the corresponding mouth of described electronic control unit ECU connects the input end of described actr and information output device respectively, and the mouth of described actr connects described matrix LED car light; Described environmental detector comprises for the millimeter wave radar of measuring opposite vehicle relative distance, the inertia sensor that is used for the measuring vehicle yaw velocity is used for the steering wheel angle sensor of measuring vehicle bearing circle rotational angle and the speed sensor that is used for the collection vehicle moving velocity; Described actr comprises for the car light angle demodulator of described matrix LED car light level of control and vertical angle and is used for the car light brightness controller that described matrix LED car light Illumination intensity of control distributes; Described information output device comprises LCDs and/or combined aural and visual alarm.
2. the face matrix LED car lamp control system used of nighttime meeting according to claim 1 is characterized in that, described matrix LED car light comprises base plate and be fixed in array-type LED lamp source on the described base plate.
3. the face matrix LED car lamp control system used of nighttime meeting according to claim 1 is characterized in that, described millimeter wave radar is installed on the car plate below of vehicle front.
4. the face matrix LED car lamp control system used of nighttime meeting according to claim 1 is characterized in that described inertia sensor is installed in the center of vehicle chassis.
5. the face matrix LED car lamp control system used of nighttime meeting according to claim 1 is characterized in that described steering wheel angle sensor is installed on the steering wheel for vehicle.
6. the face matrix LED car lamp control system used of nighttime meeting according to claim 1 is characterized in that described LCDs is installed on the gauge panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206946 CN203172518U (en) | 2013-04-22 | 2013-04-22 | Area array LED (light-emitting diode) car lamp control system for meeting at night |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320206946 CN203172518U (en) | 2013-04-22 | 2013-04-22 | Area array LED (light-emitting diode) car lamp control system for meeting at night |
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| CN203172518U true CN203172518U (en) | 2013-09-04 |
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| CN 201320206946 Expired - Fee Related CN203172518U (en) | 2013-04-22 | 2013-04-22 | Area array LED (light-emitting diode) car lamp control system for meeting at night |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192759A (en) * | 2013-04-22 | 2013-07-10 | 长安大学 | System and method for controlling planar array LED vehicle lamp for vehicle meeting at night |
| CN103661365A (en) * | 2013-11-15 | 2014-03-26 | 长安大学 | Device and method for improving vehicle meeting safety performance |
| CN104057872A (en) * | 2014-06-08 | 2014-09-24 | 来安县新元机电设备设计有限公司 | Car prepositive light control method and system |
| CN105828500A (en) * | 2016-03-14 | 2016-08-03 | 上海斐讯数据通信技术有限公司 | Intelligent illumination system having face or human shape identification capability and control method thereof |
| CN106090779A (en) * | 2016-08-02 | 2016-11-09 | 苏州光景照明科技有限公司 | A kind of self-adjustable automobile-used LED high beam |
| CN106199523A (en) * | 2015-05-27 | 2016-12-07 | 松下知识产权经营株式会社 | Radar installations and interference preventing method |
| CN107776475A (en) * | 2016-08-29 | 2018-03-09 | 浙江汇盈电子有限公司 | A kind of integral intelligent headlight illuminator of automobile LED distance-light |
-
2013
- 2013-04-22 CN CN 201320206946 patent/CN203172518U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192759A (en) * | 2013-04-22 | 2013-07-10 | 长安大学 | System and method for controlling planar array LED vehicle lamp for vehicle meeting at night |
| CN103192759B (en) * | 2013-04-22 | 2016-02-03 | 长安大学 | A kind of face matrix LED car lamp control system of nighttime meeting and control method thereof |
| CN103661365A (en) * | 2013-11-15 | 2014-03-26 | 长安大学 | Device and method for improving vehicle meeting safety performance |
| CN103661365B (en) * | 2013-11-15 | 2016-08-24 | 长安大学 | A kind of method improving vehicle meeting security |
| CN104057872A (en) * | 2014-06-08 | 2014-09-24 | 来安县新元机电设备设计有限公司 | Car prepositive light control method and system |
| CN104057872B (en) * | 2014-06-08 | 2015-06-17 | 来安县新元机电设备设计有限公司 | Car prepositive light control method and system |
| CN106199523A (en) * | 2015-05-27 | 2016-12-07 | 松下知识产权经营株式会社 | Radar installations and interference preventing method |
| CN106199523B (en) * | 2015-05-27 | 2020-08-28 | 松下知识产权经营株式会社 | Radar apparatus and interference prevention method |
| CN105828500A (en) * | 2016-03-14 | 2016-08-03 | 上海斐讯数据通信技术有限公司 | Intelligent illumination system having face or human shape identification capability and control method thereof |
| CN106090779A (en) * | 2016-08-02 | 2016-11-09 | 苏州光景照明科技有限公司 | A kind of self-adjustable automobile-used LED high beam |
| CN107776475A (en) * | 2016-08-29 | 2018-03-09 | 浙江汇盈电子有限公司 | A kind of integral intelligent headlight illuminator of automobile LED distance-light |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20160422 |