To prevent deterioration of a battery in an external charging.SOLUTION: A charge control device 10 of a battery 3, supplying an electric power to an electric motor 2 driving a vehicle 1, contains: a supply part 11; a determination part 12; and a limit part 13. The supply part 11 supplies a charging electric power supplied from an external part of the vehicle 1 to a heater 8 for increasing a temperature of the battery 3 in the case where a battery temperature T is a predetermined value To or less. This charging electric power is supplied to the battery 3 and the heater 8 in a predetermined distribution rate in the case where the battery temperature T is higher than the predetermined value To. The determination part 12 determines whether it is T≤To or not when the battery temperature T in which a supply possible capacity Ca that is an electric power capacity which can be supplied to the heater 8 from the external part is smaller than a request capacity cb that is an electric power capacity requested by the heater 8 is the predetermined value To in accordance with the battery temperature T. In the case where it is determined that the limit part 13 is Ca

    【課題】外部充電時におけるバッテリの劣化を防止する。【解決手段】車両1を駆動する電動モータ2に電力を供給するバッテリ3の充電制御装置10は、供給部11と判定部12と制限部13とを含む。供給部11は、バッテリ温度Tが所定値To以下の場合に、車両1の外部から供給される充電電力をバッテリ3の昇温用のヒータ8に供給し、バッテリ温度Tが所定値Toよりも高い場合に、この充電電力を所定の分配割合でバッテリ3とヒータ8とに供給する。判定部12は、外部からヒータ8に供給可能な電力容量である供給可能容量Caが、バッテリ温度Tに応じてヒータ8が要求する電力容量である要求容量Cbよりも小さくなるバッテリ温度Tを所定値Toとするとき、T≦Toか否かを判定する。制限部13は、Ca<Cbと判定された場合に、ヒータ8に供給される供給電力Eが供給可能容量Ca以下となるようにヒータ8の出力を制限する。【選択図】図1


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    Title :

    CHARGE CONTROL DEVICE OF BATTERY


    Additional title:

    バッテリの充電制御装置


    Contributors:

    Publication date :

    2023-03-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / 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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