The invention relates to the technical field of engineering machinery, and discloses a control system for a downhill working condition and an overhead working truck. The control system comprises a voltage detection device used for detecting the DC bus voltage of the driver; the first current capturing device is used for capturing feedback current transmitted by the driver; the first switching device is used for conducting a first circuit where the first current capturing device is located; and the control device is used for switching on the first circuit by controlling the first switching device under the condition that the DC bus voltage is equal to or greater than a first preset voltage, so that the feedback current is captured by the first current capturing device. According to the invention, a control strategy can be involved, and the DC bus voltage of the driver is reduced by capturing the feedback current, so that the braking torque can be prevented from being reduced, and the downhill stall risk can be effectively inhibited.

    本发明涉及工程机械技术领域,公开一种用于下坡工况的控制系统及高空作业车。所述控制系统包括:电压检测装置,用于检测驱动器的直流母线电压;第一电流捕获装置,用于捕获所述驱动器输送的回馈电流;第一开关装置,用于导通所述第一电流捕获装置所在的第一电路;以及控制装置,用于在所述直流母线电压等于或者大于第一预设电压的情况下,通过控制所述第一开关装置来导通所述第一电路,以由所述第一电流捕获装置捕获所述回馈电流。本发明可介入控制策略,通过捕获回馈电流来降低驱动器的直流母线电压,由此可避免制动力矩变小,从而有效抑制下坡失速风险的出现。


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    Titel :

    Control system for downhill working condition and overhead working truck


    Weitere Titelangaben:

    用于下坡工况的控制系统及高空作业车


    Beteiligte:
    REN HUILI (Autor:in) / ZHU HOU (Autor:in) / XIONG LU (Autor:in) / YUE ZEQING (Autor:in) / LIU QUAN (Autor:in)

    Erscheinungsdatum :

    2023-07-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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