A residual quantity measuring device is provided. The residual quantity measuring device includes a Hall element that is inserted into a path of a current flowing in a battery unit and outputs an output voltage associated with the current; and a Coulomb counter configured to be supplied with the output voltage of the Hall element via a voltage conversion circuit and to detect a total quantity of a current flowing into the battery unit and a current flowing out of the battery unit.


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    Titel :

    Residual quantity measuring device, battery pack, electric power tool, electric aircraft, electric vehicle, and power supply device


    Beteiligte:
    MORI YASUSHI (Autor:in)

    Erscheinungsdatum :

    16.03.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B64C AEROPLANES , Flugzeuge