A battery overcharge preventing device according to an embodiment of the present invention includes: a voltage distribution unit connected to both ends of at least one battery cell in a battery module including multiple battery cells, the voltage distribution unit being configured to distribute a voltage of the at least one battery cell according to a preset ratio; a voltage sensing unit operating so as to allow a control current to flow when the voltage distributed by the voltage distribution unit is greater than a preset reference voltage; and a second relay configured to block, by operation of the voltage sensing unit, operation of a first relay that establishes an electrical connection between the battery module and a charging module.


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    Titel :

    Battery overcharging prevention device and battery overcharging prevention method using same


    Beteiligte:
    JEONG SOO JEONG (Autor:in) / LEE YUN NYOUNG (Autor:in)

    Erscheinungsdatum :

    2021-12-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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