The invention provides a range-extending vehicle fuel system and a control method, and belongs to the technical field of electronic control of range-extending vehicle fuel systems. According to the range extending vehicle fuel system and the control method, after the air pressure sensing device detects that the air pressure in the fuel tank is lower than the limit value, the fuel tank cover can be manually unscrewed, and the problems that in the prior art, a fuel system is complex in control logic and high in production cost are solved. The range extending vehicle fuel system comprises a fuel tank and a fuel steam absorbing device which are communicated through an isolating valve, the isolating valve is controlled by an electronic controller on a vehicle to be opened and closed, a fuel tank opening for refueling is formed in the fuel tank, a fuel tank cover is arranged at the fuel tank opening, the fuel tank cover is provided with an air pressure sensing device, and the air pressure sensing device is connected with the isolating valve. And after the air pressure sensing device detects that the air pressure in the oil tank is lower than a limit value, the oil tank cover can be manually opened.

    本发明提供一种增程车燃油系统及控制方法,属于增程车燃油系统电子控制技术领域。本增程车燃油系统及控制方法通过气压感应装置探测到油箱内的气压低于限定值后,油箱盖能够手动拧开的设计,解决现有技术中燃油系统控制逻辑复杂和生产成本高的问题。本增程车燃油系统,包括通过隔离阀连通的燃油箱和燃油蒸气吸收装置,所述隔离阀由车上的电子控制器控制开闭,所述燃油箱上设置有加油的油箱口,所述油箱口处设置有油箱盖,所述油箱盖设置有气压感应装置,所述气压感应装置探测到所述油箱内的气压低于限定值后,所述油箱盖能够手动打开。


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    Title :

    Range-extending vehicle fuel system and control method


    Additional title:

    一种增程车燃油系统及控制方法


    Contributors:
    WANG ZHONGYONG (author) / CHEN GUOLIANG (author) / TIAN CHENG (author) / LI XIAOJUN (author)

    Publication date :

    2024-05-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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