PROBLEM TO BE SOLVED: To provide a battery control device of an electric vehicle using only a battery as a driving source, that can prevent unnecessary stopping of the electric vehicle during travelling.SOLUTION: A battery control device of an electric vehicle using only a battery 1 as a driving source and driving a motor 2 to travel, is constituted of: a high-voltage circuit C connecting the battery 1 and the motor 2; a main contactor 3 switching between connection and cut-off of the high-voltage circuit C; voltage sensors 6l-6n detecting voltages of plural battery cells 1l-1n that constitute the battery 1; and a battery management unit 4 cutting off the high-voltage circuit C by the main contactor 3 when the cell voltage detected by the voltage detection sensors 6l-6n is higher than an overvoltage detection threshold X for detecting overcharge of the battery cells 1l-1n. The overvoltage detection threshold X is set to a value larger than a limp-home mode transition determining threshold Y and a full charge threshold Z.SELECTED DRAWING: Figure 1

    【課題】バッテリのみを駆動源とする電気自動車の、走行中における不要な停車を防止することを可能とした電動車両のバッテリ制御装置を提供する。【解決手段】バッテリ1のみを動力源としてモータ2を駆動し走行する電動車両のバッテリ制御装置を、バッテリ1とモータ2との間を接続する高電圧回路Cと、高電圧回路Cの接続と遮断を切り替えるメインコンタクタ3と、バッテリ1を構成する複数の電池セル11〜1nの電圧を検出する電圧センサ61〜6nと、電圧検出センサ61〜6nが検出したセル電圧が電池セル11〜1nの過充電を検出するための過電圧検出しきい値Xよりも大きい場合に、メインコンタクタ3により高電圧回路Cを遮断するバッテリマネジメントユニット4とから構成し、過電圧検出しきい値Xを、リンプホームモード移行判定しきい値Yおよび満充電しきい値Zよりも大きい値に設定した。【選択図】図1


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    Titel :

    BATTERY CONTROL DEVICE OF ELECTRIC VEHICLE


    Weitere Titelangaben:

    電動車両のバッテリ制御装置


    Beteiligte:

    Erscheinungsdatum :

    07.07.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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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