The present invention relates to a metal oxide silicon field effect transistor (MOSFET) relay protection device using a voltage detector and a signal fuse which calculates a detection voltage value through the voltage detector for a through current value of a MOSFET relay provided in a vehicle battery main circuit, and operates the signal fuse if the calculated voltage value is greater than a preset threshold value to block a current applied to the MOSFET relay in advance so as to protect the MOSFET relay from being damaged, and a method thereof. The MOSFET relay protection device comprises the voltage detector and a short circuit unit.

    본 발명은 차량용 배터리 메인 회로에 구비된 모스펫(MOSFET) 릴레이의 통전 전류값을 검전기(voltage detector)를 통해 검출 전압값을 산출하고, 산출된 전압값이 기 설정된 임계값을 초과하는 경우 시그널 퓨즈(signal fuse)를 동작시킴으로써 모스펫 릴레이로 인가되는 전류를 사전 차단하여 모스펫 릴레이를 소손으로부터 보호할 수 있는 검전기 및 시그널 퓨즈를 이용한 모스펫 릴레이 보호 장치 및 방법에 관한 것이다.


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    Titel :

    Apparatus and method for protecting MOSFET relay using a voltage detector and signal fuse


    Weitere Titelangaben:

    검전기 및 시그널 퓨즈를 이용한 모스펫 릴레이 보호 장치 및 보호 방법


    Beteiligte:
    SONG HYEON JIN (Autor:in) / LEE CHANG BOG (Autor:in) / CHOI YANGLIM (Autor:in)

    Erscheinungsdatum :

    17.11.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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