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 114 which acquires a temperature within an engine room of the vehicle, a displacement amount calculation part 115 which calculates a displacement amount of the optical axis based on the temperature, an operation information acquisition part 116 which acquires operation information indicating an operation state of a cooling device for the engine, and an optical axis adjusting part 117 which adjusts the optical axis of the headlamp unit on the basis of the displacement amount and the operation 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114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115と、前記エンジンに対する冷却装置の作動状況を示す作動情報を取得する作動情報取得部116と前記変位量及び前記作動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117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
Elektronische Ressource
Japanisch
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 |