The invention provides a refrigerating circuit switching control method and system for a series-parallel working mode heat pump, and the method comprises the steps: S1, calculating the heat absorption capacity Qevap of an evaporator in a heat pump air-conditioning system; s2, the heat absorption capacity Qchiller of the water heat exchanger is calculated; s3, the equivalent heat absorption capacity Qcmpr generated by the compressor is calculated; s4, the heat dissipating capacity Qihx of the inner heat exchanger is calculated; s5, the heat exchange amount Qohx of the external heat exchanger is calculated according to the calculation result of the previous step; and S6, the working state of the system is judged according to the numerical value of the heat exchange amount Qohx. According to the method, extra laboratory resources are not needed, the development period is shortened, and the development period and the development cost are reduced for system control development.

    本发明提供了一种串并联工作模式热泵的制冷回路切换控制方法及系统,包括:步骤S1:计算热泵空调系统中,蒸发器的吸热量Q_evap;步骤S2:计算水换热器的吸热量Q_chiller;步骤S3:计算压缩机产生的等效吸热量Q_cmpr;步骤S4:计算内换热器的散热量Q_ihx;步骤S5:根据前述步骤的计算结果,计算外换热器的换热量Q_ohx;步骤S6:通过所述换热量Q_ohx的数值大小,判断系统工作状态。本发明无需额外的实验室资源,降低了开发周期,为系统控制开发减少了开发周期以及开发成本。


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    Title :

    Refrigerating circuit switching control method and system of series-parallel working mode heat pump


    Additional title:

    串并联工作模式热泵的制冷回路切换控制方法及系统


    Contributors:
    LI YUQIN (author)

    Publication date :

    2024-08-13


    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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