To allow a battery ECU for monitoring a state of an auxiliary machine battery to be actuated properly.SOLUTION: An auxiliary machine battery system includes: a power line (L3) directly connected to an auxiliary machine battery (B); a latch relay (R2) provided between the power line and an auxiliary machine load (2); a switch (R1) which is connected to the power line at one end and creates electric continuity in conjunction with start operation of a user; and a battery ECU (20). The battery ECU (20) includes: a power supply terminal (T5) directly connected to the power line; a signal input terminal (T7) connected to the other end of the switch and connected to the power line through the switch (R1); a microcomputer (21) which controls the latch relay (R2); and a power supply relay (R4) provided between the microcomputer (21) and the power supply terminal (T5). The power supply relay (R4) is configured to be turned on when a signal from the power line (L3) is input to the signal input terminal (T7).SELECTED DRAWING: Figure 1

    【課題】補機電池の状態を監視する電池ECUを適切に起動できるようにする。【解決手段】補機電池システムは、補機電池(B)に直結された電源線(L3)と、電源線と補機負荷(2)との間に設けられたラッチリレー(R2)と、一端が電源線に接続され、ユーザの始動操作に連動して導通されるスイッチ(R1)と、電池ECU(20)とを備える。電池ECU(20)は、電源線に直結された電源端子(T5)と、スイッチの他端に接続され、スイッチ(R1)を介して電源線に接続される信号入力端子(T7)と、ラッチリレー(R2)を制御するマイコン(21)と、マイコン(21)と電源端子(T5)との間に設けられた電源リレー(R4)とを備える。電源リレー(R4)は、電源線(L3)からの信号が信号入力端子(T7)に入力された場合にオン状態になるように構成される。【選択図】図1


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    Titel :

    AUXILIARY MACHINE BATTERY SYSTEM


    Weitere Titelangaben:

    補機電池システム


    Beteiligte:

    Erscheinungsdatum :

    21.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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