To reduce the size and prevent noise from propagating to an external charging device.SOLUTION: A load drive device includes a high voltage circuit 50B having a main circuit 51 that controls a heating element 53 as a load connected to a high voltage battery 60, and a low voltage circuit 50A that receives a low voltage supply from a low voltage battery 70 and supplies a voltage based on the low voltage to the high voltage circuit. When it is detected that an external charging device 2 is connected to a charging connector 10, the supply of the voltage based on the low voltage output from the low voltage battery 70 to the main circuit 51 is stopped.SELECTED DRAWING: Figure 1

    【課題】小型化を図るとともに外部充電装置へのノイズの伝搬を防止できるようにする。【解決手段】高電圧バッテリ60に接続された負荷としての発熱体53を制御する主回路51を有する高電圧回路50Bと、低電圧バッテリ70からの低電圧の供給を受けて低電圧に基づく電圧を高電圧回路に供給する低電圧回路50A備える。充電コネクタ10に外部充電装置2が接続されていることが検出された場合、低電圧バッテリ70から出力される低電圧に基づく電圧の主回路51への供給を停止する。【選択図】図1


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    Titel :

    LOAD DRIVE DEVICE


    Weitere Titelangaben:

    負荷駆動装置


    Beteiligte:
    WANG YAPING (Autor:in)

    Erscheinungsdatum :

    2020-10-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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