PROBLEM TO BE SOLVED: To protect a secondary battery by interrupting current while preventing operation of a significant load from becoming unstable.SOLUTION: A power management system 10 disclosed in the specification comprises: a secondary battery 21; a vehicle power generator 50 connected to the secondary battery 21; a vehicle load 60 connected to the secondary battery 21 and the vehicle power generator 50; an electronic control unit 70 for controlling power supply from the vehicle power generator 50 to the vehicle load 60; a battery monitoring section 34 for detecting an abnormal state of the secondary battery 21; a current interruption section 25 for interrupting current between the secondary battery 21 and the vehicle load 60; and a central processing unit 31 in a battery unit 20 for giving the electronic control unit 70 prior notice before the current interruption section 25 interrupts current after an abnormal state is detected by the battery monitoring section 30. The electronic control unit 70, on the basis of the prior notice, controls power supply from the vehicle power generator 50 to the vehicle load 60.SELECTED DRAWING: Figure 3

    【課題】重要な負荷の動作が不安定になることを防ぎつつ、電流を遮断して二次電池を保護する。【解決手段】本明細書によって開示される電力管理システム10は、二次電池21と、二次電池21に接続される車両発電機50と、二次電池21に接続されると共に車両発電機50に接続される車両負荷60と、車両発電機50から車両負荷60への電力供給を制御する電子制御装置70と、二次電池21の異常状態を検出する電池監視部34と、二次電池21と車両負荷60との間の電流を遮断する電流遮断部25と、電池監視部30において異常状態が検出された後、電流遮断部25において電流を遮断する前に電力制御装置70に対して事前予告するバッテリ装置20の中央処理装置31と、を備え、電子制御装置70は、事前予告に基づいて車両発電機50から車両負荷60への電力供給を制御する構成とした。【選択図】図3


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    Titel :

    POWER MANAGEMENT SYSTEM, BATTERY MANAGEMENT UNIT, BATTERY UNIT, AND POWER MANAGEMENT METHOD FOR VEHICLE


    Weitere Titelangaben:

    電力管理システム、電池管理装置、バッテリ装置および車両の電力管理方法


    Beteiligte:

    Erscheinungsdatum :

    02.11.2017


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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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