The invention discloses a control device and method for an electronic expansion valve. The control device comprises a vehicle control unit, a main controller and a driving module. The vehicle control unit is connected with the main controller and used for sending a target position instruction to the main controller; the main controller is connected with the driving module and used for calculating the actual position of a valve needle of the electronic expansion valve and sending a pulse signal and a direction signal to the driving module according to a target position instruction and the actual position of the valve needle. The main controller controls the task duration of the electronic expansion valve to be greater than or equal to 5ms; the driving module is connected with the electronic expansion valve and used for controlling a valve needle of the electronic expansion valve to move to a target position according to the pulse signal and the direction signal. The task duration of the main controller for controlling the electronic expansion valve is long, the idle time ratio of the main controller can be effectively increased, and therefore the load rate of the main controller is effectively reduced.

    本发明公开了一种电子膨胀阀的控制装置和方法,该控制装置包括:整车控制器、主控制器和驱动模块;整车控制器与主控制器连接,用于发送目标位置指令至主控制器;主控制器与驱动模块连接,用于计算电子膨胀阀的阀针的实际位置,并根据目标位置指令和阀针的实际位置发送脉冲信号和方向信号至驱动模块;主控制器控制电子膨胀阀的任务时长大于或等于5ms;驱动模块与电子膨胀阀连接,驱动模块用于根据脉冲信号和方向信号控制电子膨胀阀的阀针运动至目标位置。本发明设置主控制器控制电子膨胀阀的任务时长较长,可以有效增加主控制器的空闲时间占比,从而有效降低主控制器的负载率。


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    Title :

    Control device and method for electronic expansion valve


    Additional title:

    一种电子膨胀阀的控制装置和方法


    Contributors:
    LUO MENG (author) / XIONG LIYONG (author) / XIAO YANG (author)

    Publication date :

    2024-10-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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