The invention relates to OBD diagnosis equipment, an OBD diagnosis equipment interface switching method and device. The OBD diagnosis equipment comprises a plurality of interfaces used for being connected with an OBD plug on an automobile, a K line, a CAN bus, a processor and an interface switching circuit. The processor comprises a signal transceiving end and a control signal output end, and theinterface switching circuit comprises a relay array; the signal transceiving end of the processor is connected with the K line and the CAN bus; the control signal output end of the processor is connected with the interface switching circuit; and the K line and the CAN bus are connected with the plurality of interfaces through the relay array. In the invention, the K line and the CAN bus on the OBDdiagnosis equipment can be connected with the different interfaces according to configuration so that the OBD diagnosis equipment adapts to most vehicle models.

    本发明涉及一种OBD诊断设备、OBD诊断设备接口切换方法和装置,所述OBD诊断设备包括用于与汽车上的OBD插头连接的若干个接口,K线,CAN总线,处理器和接口切换电路;所述处理器包括信号收发端和控制信号输出端,所述接口切换电路包括继电器阵列;所述处理器的信号收发端分别连接K线和CAN总线;所述处理器的控制信号输出端连接所述接口切换电路;所述K线和CAN总线通过所述继电器阵列连接若干个接口。本发明能够实现OBD诊断设备上的K线、CAN总线根据配置连接不同的接口,使得OBD诊断设备适配大部分车型。


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    Titel :

    OBD diagnosis equipment, OBD diagnosis equipment interface switching method and device


    Weitere Titelangaben:

    OBD诊断设备、OBD诊断设备接口切换方法和装置


    Beteiligte:
    LI LIUHAI (Autor:in) / LI BIN (Autor:in)

    Erscheinungsdatum :

    13.10.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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