To provide a battery cooling apparatus capable of cooling a secondary battery efficiently by pre-cooling a coolant to be used for cooling the battery by using surplus regenerative power in a case where the battery predictably needs to be cooled during traveling.SOLUTION: A battery cooling apparatus includes: a coolant cycle 9 for cooling a secondary battery 5; an electric compressor 11 for constituting a coolant cycle; a regenerative charging determination part 21 for determining whether a battery is in a state where charging the secondary battery using regenerative power generated by a driving motor 7 is limited; and a pre-cooling control part 23 for predicting that the secondary battery reaches hereafter a cooling-requiring temperature at which cooling is required on the basis of a condition other than a temperature of the secondary battery before the secondary battery reaches the cooling-requiring temperature, and controlling the electric compressor so as to supply surplus regenerative power by limiting charging of the secondary battery.SELECTED DRAWING: Figure 1

    【課題】本発明の少なくとも一つの実施形態は、走行中に電池冷却が必要になると予測される場合に、余剰回生電力を用いてあらかじめ、電池冷却に使用する冷媒を冷やしておくことで、効率よく二次電池を冷却できる電池冷却装置を提供することを目的とする。【解決手段】二次電池5を冷却する冷媒サイクル9と、冷媒サイクルを構成する電動コンプレッサ11と、駆動用モータ7によって発生する回生電力の二次電池への充電が制限される電池状態かを判定する回生充電判定部21と、二次電池が冷却を必要とする冷却必要温度に上昇する前に、二次電池の温度以外の条件を基に二次電池が、今後冷却必要温度に達することを予測して、二次電池への充電の制限によって生じる余剰回生電力を電動コンプレッサに供給するように制御する事前冷却制御部23と、を備えることを特徴とする。【選択図】図1


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    Title :

    ELECTRIC-VEHICULAR BATTERY COOLING APPARATUS


    Additional title:

    電動車両の電池冷却装置


    Contributors:

    Publication date :

    2019-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / 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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