PROBLEM TO BE SOLVED: To provide a vehicular power source device capable of preventing the occurrence of a battery partial decrease when combinedly using an equalizer and a circuit shut-off switch, in a power circuit for connecting a low voltage load circuit and a high voltage load circuit to a plurality of batteries connected in series.SOLUTION: A power circuit 11 comprises an equalizer 19 for preventing a partial decrease in respective batteries 12 and 13, a disconnecting switch 22 capable of electrically cutting off the low voltage side battery 12 and a disconnecting relay 23 capable of electrically cutting off the high voltage side battery 13. A machine controller 26 starts an engine controller 28 by turning on an engine key relay 27 after turning on the disconnecting relay 23.

    【課題】直列に接続された複数のバッテリに低電圧負荷回路と高電圧負荷回路とを接続した電源回路において、イコライザと回路遮断スイッチとを組み合わせて用いた場合のバッテリ片減りの発生を防止できる車両用電源装置を提供する。【解決手段】電源回路11は、各バッテリ12,13の片減りを防止するイコライザ19と、低圧側のバッテリ12を電気的に遮断可能なディスコネクトスイッチ22と、高圧側のバッテリ13を電気的に遮断可能なディスコネクトリレー23とを備えている。マシンコントローラ26は、ディスコネクトリレー23をオンにした後で、エンジンキーリレー27をオンにしてエンジンコントローラ28を起動させる。【選択図】図1


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    Title :

    VEHICULAR POWER SOURCE DEVICE


    Additional title:

    車両用電源装置


    Contributors:

    Publication date :

    2015-08-20


    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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