Special vehicle lamplight detection and analysis system and detection method thereof

Abstract

The invention relates to a special vehicle lamplight detection and analysis system and a detection method thereof. The system comprises a guide rail, a base trolley, an upright post, a light receiving box, an optical system, a camera, a singlechip processing system, an embedded computer data processing system, an ultrasonic ranging system and a ranging alarm system, wherein the camera below the light receiving box acquires a vehicle license plate and vehicle information, and the ultrasonic ranging system informs a driver of the proper position of the test distance through an alarm lamp. A method for judging the highest light intensity of a light spot center by using a middle photocell and judging the light spot symmetry of a high beam by judging the light spot shift angle through the upper, lower, left and right photocells and a method for calculating the offset are used, and the states of the photocells above and below a light and dark cutoff line and the photocells in the direction of a 15-degree or 45-degree angle are judged, so that the position of the light and dark cutoff line of the low beam is judged, and the illumination qualities of the high beam and the low beam are detected.

Description

technical field [0001] The invention belongs to the field of special testing equipment, and relates to a special vehicle light detection and analysis system and a detection method thereof, capable of judging the symmetry of the light spot of the high beam of the automobile headlight and performing light and shade at the inflection point of the low beam illumination of the automobile headlight The sharpness judgment of the cut-off line can detect the lighting quality of high beam and low beam, and provide detailed lamp spot data for lamp manufacturers, so as to provide a basis for improving the structure of the lamp, and can also be used for the lighting quality of other lamps detection. Background technique [0002] The headlight is an important device for the car to provide road lighting for the driver at night or in the case of low visibility, and it is also a light signal device for the driver to warn and communicate. Therefore, the headlight must have sufficient luminous...

AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a special vehicle light detection and analysis system and its detection method, to solve the problem that the field environment is harsh and there is no parking standard in the vehicle detection process, using ultrasonic sensors Carry out distance measurement and cooperate with the warning light to remind the driver whether the distance is appropriate. The high-definition camera solves the problem that ordinary cameras are easy to expose when there is sufficient outdoor sunlight in summer, making the photos clear and valuable for reference.

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