To calculate and adjust a deviation of an optical axis due to temperature variation around a vehicular headlamp.SOLUTION: An optical axis adjusting device adjusts an optical axis of a headlamp unit mounted on a vehicle. The optical axis adjusting device for a vehicular headlamp includes an engine temperature acquisition part which acquires a temperature within an engine room of the vehicle, a displacement amount calculation part which calculates a displacement amount of the optical axis based on the temperature, a speed information acquisition part which acquires speed information including a travel speed and a travel time of the vehicle, and an optical axis adjusting part which adjusts the optical axis of the headlamp unit on the basis of the displacement amount and the speed information.SELECTED DRAWING: Figure 2
【課題】車両用前照灯周りの温度変化に起因する光軸のずれを算出して調整する。【解決手段】車両に搭載される前照灯ユニットの光軸を調整する光軸調整装置であって、前記車両のエンジン房内の温度を取得するエンジン温度取得部と、前記温度に基づく前記光軸の変位量を算出する変位量算出部と、前記車両の走行速度及び走行時間を含む速度情報を取得する速度情報取得部と、前記変位量及び前記速度情報に基づいて前記前照灯ユニットの光軸を調整する光軸調整部と、を備えた車両用前照灯の光軸調整装置を提供する。【選択図】図2
OPTICAL AXIS ADJUSTING DEVICE
光軸調整装置
2023-04-10
Patent
Electronic Resource
Japanese
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |