Automatic guide board lighting system based on geometrical multi-beam LED lamp

Abstract

The invention discloses an automatic guide board lighting system based on a geometrical multi-beam LED lamp. A high-beam lamp assembly is composed of a plurality of high-beam LED lamp beads which are arranged in a matrix mode, a lamp bead controller selects a set of the high-beam LED lamp beads of which the irradiation range can exactly cover the transverse irradiation range and the longitudinal irradiation range which are occupied by a guide board according to the transverse irradiation range and the longitudinal irradiation range which are occupied by the guide board, and the lamp bead controller controls and lights all the high-beam LED lamp beads in the set. According to the automatic guide board lighting system based on the geometrical multi-beam LED lamp, the position and the distance of the guide board are automatically identified on the premise that low-beam lamp driving cannot affect meeting, several high-beam lamp beads of which the light beams face the guide board are lighted (the other high-beam lamp beads keep a turn-off state, and meeting cannot be affected), and a driver can conveniently and clearly read important information on the guide board.

Description

technical field [0001] The invention relates to the field of automobile lighting, in particular to an automatic road sign lighting system based on geometric multi-beam LED lamps. Background technique [0002] Headlights are an important part of a car, which can provide lighting for the car when driving in poor light, foggy weather or at night. Compared with the low beam, the light of the high beam is emitted in parallel, the light is concentrated and brighter, and can illuminate higher and farther objects, which is of great help to the driver's sight at night. However, the current phenomenon of abuse of high beams is quite serious. Using high beams at the wrong time will not only improve driving safety, but will cause short-term blindness to oncoming vehicles and pedestrians, and greatly increase the probability of dangerous accidents. . [0003] In order to solve the above technical problems, many high-end cars have begun to be equipped with adaptive high and low beams. T...

AI Technical Summary

Problems solved by technology

[0004] However, the traditional adaptive high and low beam switching technology only switches between low beam and high beam, and will automatically turn off the high beam when meeting vehicles, because the low beam illumination height is low and the brightness is limited, it is difficult to see the road Side road signs, it is easy to miss important driving instructions such as speed limit, road guidance, warning, etc., there is a huge potential safety hazard

In the actual traffic participation process, the driver usually turns on the high beam manually to read the road sign information when encountering a road sign. Although the problem of illuminating the road sign is solved, it will also cause dazzling to the oncoming vehicles.

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