To provide a battery temperature raising device for a hybrid vehicle, which can sufficiently and efficiently raise the temperature of a battery during vehicle traveling to improve electric power consumption and extend a travelling distance.SOLUTION: The present invention resides in a battery temperature raising device for hybrid vehicle, which raises the temperature of a battery 31. In an engine travelling mode, when an engine water temperature TWE is higher than a predetermined cooling water temperature TREF3, a first battery circuit 41 is connected to a main circuit 11 to raise the temperature of the battery 31 by cooling water in the main circuit 11 (first temperature raising control) (steps 2, 6 and 7). In a motor travelling mode, when a motor generator temperature TMG is higher than a battery temperature TBAT, the first battery circuit 41 and a heat exchanger flow passage 13 are connected to the main circuit 11 to form a closed circuit in which cooling water circulates without passing through an engine 2 to raise the temperature of the battery 31 by the cooling water that is raised in temperature by heat exchange with a refrigerant in a heat exchanger 7 (second temperature raising control) (steps 2, 10 and 11).SELECTED DRAWING: Figure 3

    【課題】車両の走行中、バッテリの昇温を十分にかつ効率良く行い、電費を向上させ、走行距離を延長できるハイブリッド車両のバッテリ昇温装置を提供する。【解決手段】本発明は、バッテリ31を昇温するハイブリッド車両のバッテリ昇温装置である。機関走行モードでは、エンジン水温TWEが所定の冷却水温度TREF3よりも高いときに、第1バッテリ回路41を主回路11に接続し、主回路11内の冷却水でバッテリ31を昇温する(第1昇温制御)(ステップ2、6、7)。モータ走行モードでは、モータジェネレータ温度TMGがバッテリ温度TBATよりも高いときに、第1バッテリ回路41及び熱交換器用流路13を主回路11に接続することで、冷却水がエンジン2を通らずに循環する閉回路を形成し、熱交換器7における冷媒との熱交換により昇温された冷却水でバッテリ31を昇温する(第2昇温制御)(ステップ2、10、11)。【選択図】図3


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    Titel :

    BATTERY TEMPERATURE RAISING DEVICE FOR HYBRID VEHICLE


    Weitere Titelangaben:

    ハイブリッド車両のバッテリ昇温装置


    Beteiligte:
    TAKAZAWA MASANOBU (Autor:in) / TAKEDA MASAAKI (Autor:in) / TOYOKAWA MASAYUKI (Autor:in) / UDO HAJIME (Autor:in)

    Erscheinungsdatum :

    31.08.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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