PROBLEM TO BE SOLVED: To allow for estimating the state of charge of an auxiliary battery without using a second BMS module, saving cost thereby.SOLUTION: A method for determining charge in a battery is disclosed, which comprises; connecting a main battery to an electrical load; measuring current Idrawn from the main battery while the main battery is connected to the electrical load; connecting an auxiliary battery in parallel with the main battery and the electrical load; measuring current Idrawn from the main battery while the main battery is connected to the electrical load and the auxiliary battery; and estimating the state of charge of the auxiliary battery based at least on a difference between Iand I.SELECTED DRAWING: Figure 1

    【課題】補助バッテリー用のBMSモジュールの使用なしに、補助バッテリーの充電状態を推定し、コストを節約する。【解決手段】バッテリーの充電を決定する方法であって、主要バッテリーを電気負荷に接続すること、それが電気負荷に接続される間に、前記主要バッテリーから引き出される電流の測定I1を行うこと、補助バッテリーを前記主要バッテリー及び前記電気負荷と並列に接続すること、それが前記電気負荷及び前記補助バッテリーに接続される間に、前記主要バッテリーから引き出される電流の測定I2を行うこと、並びに、少なくともI1とI2の差に基き、前記補助バッテリーの前記充電状態を推定することを備える。【選択図】図1


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    Title :

    METHOD OF DETERMINING CHARGE IN VEHICLE BATTERY


    Additional title:

    車両バッテリーの充電を決定する方法


    Contributors:

    Publication date :

    2017-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / 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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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