The invention relates to a vehicle system with multiple paths of oxygen sensors, a control method and a motorcycle, the system is provided with multiple paths of oxygen sensor circuits in an air inlet pipeline and an exhaust pipeline respectively, and the system further comprises a power failure holding circuit; in each oxygen sensor circuit, one end of an oxygen sensor is grounded, and the other end of the oxygen sensor is connected with a bias circuit and then is connected with the MCU through an AD sampling circuit and a pump current circuit; the other end of the oxygen sensor heating resistor is connected with the heater control circuit; a heater diagnosis circuit is arranged between the oxygen sensor heater and the output end of the heater control circuit, the output end of the heater control circuit is pulled up to VCC through a resistor, and then the resistor is connected and connected to the MCU. Compared with the prior art, the system has the advantages that the comprehensive performance of the motorcycle is not reduced, meanwhile, the relevant emission standards are met, and the actuator can be controlled after flameout.

    本发明涉及一种带多路氧传感器的车辆系统、控制方法及摩托车,所述系统在进气管道和排气管道各设置有多路氧传感器电路,并且还包括掉电保持电路;在每一路的氧传感器电路中:氧传感器的一端接地,另一端在连接偏置电路后分别通过AD采样电路和泵电流电路与MCU相连;氧传感器加热电阻一端与电源相连,另一端连接加热器控制电路;在氧传感器加热器与加热器控制电路的输出端之间设置有加热器诊断电路,在加热器控制电路的输出端通过电阻上拉至VCC,之后接入电阻并连接至MCU。与现有技术相比,本发明在不降低摩托车综合性能的同时满足相关排放标准,并且可以实现在熄火之后对执行器进行控制。


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    Titel :

    Vehicle system with multiple paths of oxygen sensors, control method and motorcycle


    Weitere Titelangaben:

    一种带多路氧传感器的车辆系统、控制方法及摩托车


    Beteiligte:
    PENG CHENG (Autor:in) / ZHOU TIANZHI (Autor:in)

    Erscheinungsdatum :

    2024-04-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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