A vehicle diagnostic device for an electric vehicle according to one aspect of the present invention comprises: a connector which is separably configured to a D-CAN channel provided in a vehicle network system of the electric vehicle; a CAN transceiver which is connected to a first signal line and a second signal line of the D-CAN channel through the connector; a wakeup circuit which is connected to the first signal line or the second signal line through the connector; and a control circuit which in response to a first wakeup signal output by the CAN transceiver or a second wakeup signal output by the wakeup circuit in a sleep mode, is configured to convert from the sleep mode to a wakeup mode, and to collect diagnostic data from the vehicle network system through the CAN transceiver in the wakeup mode. Therefore, the vehicle diagnostic device can collect diagnostic data from electric vehicles.

    본 발명의 일 측면에 따른 전기 차량을 위한 차량 진단 디바이스는, 상기 전기 차량의 차량 네트워크 시스템에 마련된 D-CAN 채널에 탈착 가능하게 구성되는 커넥터; 상기 커넥터를 통해 상기 D-CAN 채널의 제1 신호 라인 및 제2 신호 라인에 접속되는 CAN 트랜시버; 상기 커넥터를 통해 상기 제1 신호 라인 또는 상기 제2 신호 라인에 접속되는 웨이크업 회로; 및 슬립 모드에서 상기 CAN 트랜시버에 의해 출력되는 제1 웨이크업 신호 또는 상기 웨이크업 회로에 의해 출력되는 제2 웨이크업 신호가 입력된 것에 응답하여, 상기 슬립 모드에서 웨이크업 모드로 전환하고, 상기 웨이크업 모드에서 상기 CAN 트랜시버를 통해 상기 차량 네트워크 시스템으로부터 진단 데이터를 수집하도록 구성되는 제어 회로를 포함한다.


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    Title :

    VEHICLE DIAGNOSTIC DEVICE FOR ELECTRIC VEHICLE


    Additional title:

    전기 차량을 위한 차량 진단 디바이스


    Contributors:

    Publication date :

    2023-05-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G08C Übertragungssysteme für Messwerte, Regel-, Steuer- oder ähnliche Signale , TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr



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