The invention relates to a power-assisted steering system for a pure electric commercial vehicle. The power-assisted steering system comprises a driving motor (1), a steering oil pump (2), a one-way control valve (4), an energy accumulator (7), a pressure sensor (8), a sensor signal line (9), a driving motor controller (10), a steering engine (11) and a steering oil can (14), an output shaft of the driving motor is fixedly connected with an input shaft of the steering oil pump, an oil outlet of the steering oil pump is connected with an oil inlet of the one-way control valve, an oil outlet of the one-way control valve is connected with an oil inlet of the energy accumulator, an oil outlet of the energy accumulator is connected with an oil inlet of the steering machine, and an oil outlet of the steering machine is connected with the steering oil can. The steering oil can is connected with an oil return opening of the steering oil pump, and a pressure sensor (8) is fixed to the upper portion of the energy storage device and connected with a driving motor controller (10). The intermittent working state of the power-assisted steering system is achieved, power consumption is reduced, and the endurance mileage and economical efficiency of the whole vehicle are improved.

    本发明涉及一种纯电动商用车转向助力系统,该转型系统包括驱动电机(1)、转向油泵(2)、单向控制阀(4)、储能器(7)、压力传感器(8)、传感器信号线(9)、驱动电机控制器(10)、转向机(11)和转向油壶(14);驱动电机的输出轴与转向油泵的输入轴固定连接,转向油泵的出油口与单向控制阀的进油口连接,单向控制阀的出油口与储能器的进油口连接,储能器的出油口与转向机的进油口连接,转向机的出油口与转向油壶连接;转向油壶与转向油泵的回油口连接,储能器上部固定有压力传感器(8),压力传感器(8)与驱动电机控制器(10)连接。本发明实现转向助力系统间歇式工作状态,降低了电量消耗,提高整车续航里程及经济性。


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    Title :

    Power-assisted steering system of pure electric commercial vehicle


    Additional title:

    一种纯电动商用车转向助力系统


    Contributors:
    QI LIJIAN (author)

    Publication date :

    2021-12-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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