To allow for appropriate detection of abnormality of a pressure sensor, without duplexing the pressure sensor.SOLUTION: A battery cooling system cools a battery by using a cooling medium of an air conditioning system including a refrigeration cycle and an air conditioning side pressure sensor provided on the downstream side of a water-cooled condenser thereof. In the battery cooling system, when abnormality diagnosis of a battery cooling side pressure sensor, provided on the downstream side of a battery cooling evaporator, is requested, driving of the compressor is stopped, and all valves provided on a route from one pressure sensor to the other pressure sensor are opened entirely. Abnormality of the battery cooling side pressure sensor is determined by comparing pressures from both pressure sensors.SELECTED DRAWING: Figure 6

    【課題】圧力センサを二重化することなく、圧力センサの異常の有無を適切に検出できるようにする。【解決手段】電池冷却システムは、冷凍サイクルとその水冷コンデンサの下流側に設けられた空調側圧力センサとを備える空調システムの冷媒を用いて電池を冷却する。この電池冷却システムでは、電池冷却用エバポレータの下流側に設けられた電池冷却側圧力センサの異常診断が要求されたときには、コンプレッサの駆動を停止すると共に一方の圧力センサから他方の圧力センサに至る経路上に設けられた全ての弁を開弁する。そして、両圧力センサからの圧力を比較することにより電池冷却側圧力センサの異常の有無を判定する。【選択図】図6


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    Title :

    BATTERY COOLING SYSTEM


    Additional title:

    電池冷却システム


    Contributors:

    Publication date :

    2020-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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