The present invention discloses an on-board OBC control circuit capable of bidirectionally charging and discharging and a control method thereof. The OBC control circuit includes a switch module that connects an out-vehicle electric circuit and an in-vehicle electric circuit, and a bidirectional on-board OBC that operates in a charge mode, in a contravariant mode and in the AC/AC mode; wherein in the charge mode, the out-vehicle electric circuit charges the bidirectional on-board OBC through the switch module; in the contravariant mode, the bidirectional on-board OBC discharges the out-vehicle electric circuit and/or the in-vehicle electric circuit through the switch module; in the AC/AC mode, the out-vehicle electric circuit connects the in-vehicle electric circuit through the switch module. The present invention has the function of soft power-up and soft power-up protection; when the OBC is in an in-vehicle discharge mode, the relay connected to the out-vehicle L-wire is kept break-contact, and the charging port of the vehicle is completely disconnected from the circuit; this way can ensure that no electric shock will occur when a human body is in contact with the charging port, raising a level of security blankets.


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    Titel :

    BIDIRECTIONAL OBC CONTROL CIRCUIT HAVING CHARGING AND DISCHARGING FUNCTIONS, AND CONTROL METHOD THEREFOR


    Weitere Titelangaben:

    BIDIREKTIONALE OBC-STEUERSCHALTUNG MIT LADE- UND ENTLADEFUNKTIONEN UND STEUERVERFAHREN DAFÜR
    CIRCUIT DE COMMANDE D'OBC BIDIRECTIONNEL AVEC FONCTIONS DE CHARGE ET DE DÉCHARGE, ET SON PROCÉDÉ DE COMMANDE


    Beteiligte:
    FENG YINGYING (Autor:in) / XU JINZHU (Autor:in) / LI XUSHENG (Autor:in)

    Erscheinungsdatum :

    11.06.2025


    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



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