HEADLIGHT CONTROL DEVICE

• Main Author: MURAMATSU NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 03.10.2019
• Subjects: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

To provide a headlight control device which is capable of shading a range of a vehicle ahead including also a side face.SOLUTION: A headlight control device 50 comprises: an occupant direction range calculation part 51 which calculates an occupant direction range of a preceding vehicle 2 with respect to a left view point Ol and a right view point Or of each headlight 20, including a side face 16 of the preceding vehicle 2, on the basis of directions θl, θr of left and right taillights 21 and distances Ll, Lr to the left and right taillight beams 21 with respect to a reference view point Oc, and a vehicle type of the preceding vehicle 2; and a light distribution control unit 52 which irradiates an area excluding the occupant direction range, as an irradiation area, with the headlight 20.SELECTED DRAWING: Figure 6 【課題】側面も含む前方車両の範囲に対して遮光を行うことができる前照灯制御装置を提供する。【解決手段】前照灯制御装置５０は、基準視点Ｏｃに対する左右の尾灯２１の方角θｌ，θｒ及び左右の尾灯２１までの距離Ｌｌ，Ｌｒ、及び先行車２の車種に基づいて、各前照灯２０の左視点Ｏｌ及び右視点Ｏｒに対する先行車２の占める占有方角範囲を、該占有方角範囲に先行車２の側面１６を含めて、算出する占有方角範囲算出部５１と、占有方角範囲を除外した領域を照射領域として前照灯２０で照射する配光制御部５２とを備える。【選択図】図６