PROBLEM TO BE SOLVED: To provide a vehicular power supply device that can suppress a battery from being exhausted even though a battery switch is in an on-state.SOLUTION: The vehicular power supply device comprises: a power generator that can be driven by an engine which can be started by switching operation of an ignition switch; a battery that can store power generated by the power generator; a battery relay which is provided between the battery and a first load and is excited when the battery switch is turned on so as to supply the power stored in the battery to the first load; an ignition switch relay which is provided between the battery and a second load and is excited when the ignition switch is turned on so as to supply the power stored in the battery to the second load; a battery monitor for monitoring the power stored in the battery; and a switching relay which is provided between the battery and the battery switch and is excited when the battery monitor shows that the power stored in the battery is equal to a predetermined value or more.SELECTED DRAWING: Figure 1

    【課題】バッテリスイッチがオンの状態であっても、バッテリのあがりを抑えることができる車両用電源装置を提供する。【解決手段】イグニッションスイッチの切替操作に応じて始動可能なエンジンによって駆動可能な発電機と、発電機で発電した電力を蓄電可能なバッテリと、バッテリと第1の負荷との間に設けられ、バッテリスイッチがオンの状態になると励磁して、バッテリに蓄電された電力を第1の負荷に供給するバッテリリレーと、バッテリと第2の負荷との間に設けられ、イグニッションスイッチがオンの状態になると励磁して、バッテリに蓄電された電力を前記第2の負荷に供給するイグニッションスイッチリレーと、バッテリに蓄電されている電力をモニタするためのバッテリモニタと、バッテリとバッテリスイッチとの間に設けられ、バッテリモニタによるバッテリに蓄電されている電力が所定値以上の場合、励磁するスイッチングリレーとを備える。【選択図】図1


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    Title :

    VEHICULAR POWER SUPPLY DEVICE


    Additional title:

    車両用電源装置


    Contributors:

    Publication date :

    2016-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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