Method and device for dynamically and horizontally adjusting vehicle headlamp

A technology of level adjustment and headlights, which is applied in signal devices, vehicle parts, transportation and packaging, etc., can solve the problems of night driving safety impact, inaccurate automatic level adjustment of headlights, etc., and achieve the effect of improving safety

Active Publication Date: 2016-06-15
SAIC MOTOR
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Problems solved by technology

However, the existing automatic level adjustment of headlights is not

Method used

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  • Method and device for dynamically and horizontally adjusting vehicle headlamp
  • Method and device for dynamically and horizontally adjusting vehicle headlamp
  • Method and device for dynamically and horizontally adjusting vehicle headlamp

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Embodiment Construction

[0036] The existing automatic level adjustment device for headlights recognizes the change in the longitudinal angle of the vehicle by detecting the change of the front and rear height sensors of the vehicle, so as to automatically adjust the level of the headlights. However, the existing automatic level adjustment of headlights is not accurate, which has a certain impact on the safety of driving at night.

[0037]In the embodiment of the present invention, when the height of the front and rear axles of the vehicle changes, the vehicle body angle change value, the headlight light height change value, and the light angle change value corresponding to the light height change value are calculated according to the change value of the front and rear axle height of the vehicle body. The angle change value, the light angle change value and the vertical distance between the headlight adjustment motor mechanism and the fixed axis of the headlight reflector are used to calculate the adju...

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Abstract

The invention provides a method and device for dynamically and horizontally adjusting a vehicle headlamp. The method includes the steps that height variation values of a car body front axle and a car body rear axle are obtained and calculated; car body angle variation values corresponding to the height variation values of the car body front axle and the car body rear axle are calculated; headlamp light height variation values are calculated according to the height variation values of the car body front axle and the car body rear axle; light angle variation values corresponding to the headlamp light height variation values are calculated; a headlamp adjusting distance is calculated according to the car body angle variation values, the light angle variation values and the vertical distance between a headlamp adjusting motor mechanism and a headlamp reflection cover fixing shaft; and the headlamp is adjusted according to the adjusting distance. By means of the method and device, the precision of dynamically and horizontally adjusting the headlamp of a vehicle can be effectively improved, and safety of night driving is improved.

Description

technical field [0001] The invention relates to the field of vehicle control, in particular to a method and device for adjusting the dynamic level of a vehicle headlamp. Background technique [0002] High-intensity lighting (High Intensity Discharge, HID) lamp is a kind of lighting lamp that can provide high lighting intensity, such as high-intensity xenon lamp or LED lamp, etc., which can improve the light intensity of the vehicle's lighting at night and expand the driving force of the driver when driving at night. Vision, which provides protection for night driving safety, has been widely used in existing cars. [0003] However, when there is a car or pedestrian coming in front of the vehicle, due to the high illumination intensity of the HID lamp, it will cause a short-term dizziness to the driver of the opposite vehicle or pedestrian, and lay a hidden danger of traffic accidents for night driving. [0004] Therefore, with the application of high-intensity xenon lamps or...

Claims

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Application Information

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IPC IPC(8): B60Q1/08
Inventor 吴招辉董晓德屈金龙金哲锋
Owner SAIC MOTOR
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