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Light distribution test method for automobile self-adaptive high beam system

A test method, high beam technology, applied in the direction of testing the alignment of automobile headlights, testing optical performance, etc., can solve the problem of no light distribution verification and other problems

Pending Publication Date: 2021-06-11
FAW CAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method provides a reference for the light distribution performance test of the automotive adaptive high beam, solves the problem that the current ADB system has no light distribution verification, and meets the development needs of the automotive adaptive high beam system light distribution test

Method used

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  • Light distribution test method for automobile self-adaptive high beam system
  • Light distribution test method for automobile self-adaptive high beam system
  • Light distribution test method for automobile self-adaptive high beam system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Such as image 3 As shown, an ADB light distribution test bench includes a light test darkroom 1, a light distribution test system 4 respectively arranged in the light test darkroom 1, a light distribution test host computer 3, an ADB signal generator 2, and a sample to be tested 5. 25m light distribution test screen 6. High-precision illuminance meter 7; install the tested sample 5 to simulate the real vehicle state to the light distribution test system 4 and connect it to the ADB signal generator 2; the 25m light distribution test screen 6 is located at the Opposite to the sample 5, it is used for the aiming and angle fine-tuning of the car lights; the high-precision illuminance meter 7 is set on the 25m light distribution test screen 6, which is used to test the illuminance value of each measuring point / line segment of the sample 5; the upper computer of the light distribution test 3. Control the light distribution test system 4 to perform automatic test.

[0048] i...

Embodiment 2

[0056] Requirements for the light distribution test of the ADB system: Before the ADB light distribution test, the high beam light distribution test must be carried out first, and the high beam light distribution performance test should meet the national standard requirements under the corresponding light source form. During the ADB light distribution test, the ADB manufacturer needs to provide a signal generator to control the ADB system, and the ADB system can be under the corresponding test conditions by setting the signal generator. The light distribution performance shall be measured on a vertical plane light distribution screen 25m in front of the reference center of the ADB system. The light distribution performance of the ADB system includes two parts, Part A and Part B. Part A is the glare control of the front and oncoming vehicles, and Part B is the minimum lighting requirement for the road ahead. During the test, the ADB system must meet the requirements of Part B u...

Embodiment 3

[0064] Such as figure 2 As shown, in the light distribution test of the automotive adaptive high beam system, before the ADB light distribution test, the high beam light distribution test needs to be carried out first. By setting the signal generator, trigger the corresponding working conditions of the adaptive high beam system, and test whether the light distribution performance of the ADB system meets the requirements of the light distribution test under each working condition. Include the following steps:

[0065] ADB working condition 1 light distribution test, by setting the signal generator to trigger the ADB system function when the vehicle is 50m ahead, test the illuminance value of the test line section B50LL of part A and the test point of part B.

[0066] ADB working condition 2 light distribution test: set up the signal generator, trigger the ADB system function when the car comes 100m ahead, and test the illuminance value of the test line section B100LL of part ...

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Abstract

The invention discloses a light distribution test method for an automobile self-adaptive high beam system. The light distribution test method mainly comprises the steps that an ADB light distribution test bench is established, light distribution test requirements are set and light distribution test is performed; a light distribution test system is used for carrying out a light distribution test on the automobile self-adaptive high beam system in a light test darkroom; before an ADB light distribution test, a high beam light distribution test needs to be carried out firstly, and the dazzling control requirement for a front vehicle and a coming vehicle and the minimum illumination requirement for a front road surface are set; a signal generator is arranged to trigger corresponding working conditions of the self-adaptive high beam system, and whether the light distribution performance of the ADB system meets the light distribution test requirement or not is tested under each working condition. The method provides reference for the light distribution performance test of the self-adaptive high beam of the automobile, solves the problem that the current ADB system has development and does not have light distribution verification, and meets the development requirements of the light distribution test of the self-adaptive high beam system of the automobile.

Description

technical field [0001] The invention relates to the technical field of automotive adaptive driving beam (ADB) system testing, in particular to a light distribution test method for an automotive adaptive driving beam system. Background technique [0002] ADB is an adaptive high beam control system, which can automatically turn on the high beam and cover the position of oncoming vehicles in the same direction or opposite direction, effectively increasing the exposure range of the own vehicle and preventing the glare of the vehicle in front. In the product standard of vehicle lamps and lanterns, light distribution performance is the most important technical parameter. At present, many passenger models are equipped with Adaptive High Beam System (ADB). There is no national standard for ADB light distribution performance test in China. There is a problem of development without verification, and it is impossible to guarantee the glare of the front and oncoming vehicles by the ADB ...

Claims

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Application Information

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IPC IPC(8): G01M11/06
CPCG01M11/06
Inventor 王建利刘力乔俊贤唐昌武陈明有白丽吕随心金淼郁少坤孙红楠
Owner FAW CAR CO LTD
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