To efficiently reduce power consumed when materializing high beam to thereby achieve down-sizing of a heat dissipation member in a vehicular lighting fixture.SOLUTION: A vehicular lighting fixture is disclosed that comprises: a plurality of first light sources for low beam; a plurality of second light sources for high beam; a heat dissipation member which is thermally connected to the plurality of first light sources and the plurality of second light sources; and a control device which controls the plurality of first light sources and the plurality of second light sources. The control device causes all of the plurality of first light sources to light when materializing low beam, causes all of the plurality of second light sources to light when materializing high beam, and causes a part or all of the plurality of first light sources to light in such a mode that electric power smaller than electric power consumed by the plurality of first light sources is consumed when materializing low beam.SELECTED DRAWING: Figure 2

    【課題】車両用灯具において、ハイビーム実現時の消費電力を効率的に低減し、放熱部材の小型化を図る。【解決手段】ロービーム用の複数の第1光源と、ハイビーム用の複数の第2光源と、複数の第1光源と複数の第2光源とに熱的に接続される放熱部材と、複数の第1光源及び複数の第2光源を制御する制御装置とを備え、制御装置は、ロービームを実現する際に、複数の第1光源のすべてを点灯させ、ハイビームを実現する際に、複数の第2光源のすべてを点灯させるとともに、ロービームを実現する際に複数の第1光源により消費される電力よりも小さい電力が消費される態様で複数の第1光源の一部又はすべてを点灯させる、車両用灯具が開示される。【選択図】図2


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    VEHICULAR LIGHTING FIXTURE


    Weitere Titelangaben:

    車両用灯具


    Beteiligte:
    INOUE KATSUHIKO (Autor:in) / SUZUKI EIJI (Autor:in)

    Erscheinungsdatum :

    2021-03-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen





    VEHICULAR LIGHTING FIXTURE

    KITAZAWA YUKIKO | Europäisches Patentamt | 2022

    Freier Zugriff

    VEHICULAR LIGHTING FIXTURE

    HINO KIYOKAZU | Europäisches Patentamt | 2021

    Freier Zugriff

    VEHICULAR LIGHTING FIXTURE

    TODA TAKESHI / MURAMATSU TAKAO / TSUCHIYA TOSHIYUKI et al. | Europäisches Patentamt | 2015

    Freier Zugriff