The invention belongs to the technical field of charging of an electric vehicle, in particular to a battery charger with an active protection function and a charging method. The battery charger comprises a power conversion module group, a monitoring unit and an output module group, wherein the power conversion module group is connected with the monitoring unit and the output module group; the monitoring unit is connected with the output module group; the battery charger is connected with the electric vehicle through the output module group, so as to charge the electric vehicle; when the battery charger is connected with the electric vehicle, the battery charger communicates with a BMS of the vehicle. The output module group can conduct data interaction with the BMS in the electric vehicle in real time, so as to obtain the real-time charging data of a power battery of the BMS; according to a warning value and a threshold value, the output module group can be used for judging whether the BMS and the power battery are abnormal or not during a charging process; when the BMS and the battery data reach the warning value, an alarm is given out, and when the BMS and the battery data reach the threshold value, charging is stopped.


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    Title :

    Battery charger with active protection function and charging method


    Contributors:

    Publication date :

    2015-12-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / 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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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