PROBLEM TO BE SOLVED: To simplify the configuration of disconnection detection.SOLUTION: A disconnection detection circuit 20 includes a control section 21 having a ground connection terminal 22B and an input terminal 22C, a first external connection terminal 25 connected with a control side ground line CL, as a conducting path for connection with the ground connection terminal 22B, and connectable with the external ground, a second external connection terminal 26 connected with a power side ground line PL, as a conducting path of larger conduction current than the control side ground line CL, and connectable with the external ground, and a transistor 28 for regulating the power direction of first bypass line BL1, connecting the control side ground line CL and power side ground line PL, in one direction, and outputting a detection signal according to the power passing the first bypass line BL1 to the input terminal 22C.SELECTED DRAWING: Figure 2

    【課題】断線検知の構成を簡素化する。【解決手段】断線検知回路20は、グランド接続端子22B及び入力端子22Cを有する制御部21と、グランド接続端子22Bに接続される導電路としての制御側グランドラインCLに接続され、外部のグランドと接続可能な第1外部接続端子25と、制御側グランドラインCLよりも通電電流が大きい導電路としてのパワー側グランドラインPLに接続され、外部のグランドと接続可能な第2外部接続端子26と、制御側グランドラインCLとパワー側グランドラインPLとの間を接続する第1バイパスラインBL1の電力方向を一方に規制し、かつ、第1バイパスラインBL1を通る電力に応じた検知信号を入力端子22Cに出力するトランジスタ28と、を備える。【選択図】図2


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    Title :

    DISCONNECTION DETECTION CIRCUIT AND ELECTRIC CONNECTION BOX


    Additional title:

    断線検知回路及び電気接続箱


    Contributors:
    GOTO TAKUMA (author)

    Publication date :

    2017-10-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H03K PULSE TECHNIQUE , Impulstechnik / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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