The invention discloses an electric refrigerating unit for a refrigerator car, the refrigerator car and a control method, belongs to the technical field of refrigerator cars, and aims to solve the problem that a compressor in an existing refrigerator car is easy to damage due to high temperature and the like. The electric refrigerating unit for the refrigerator car comprises a compressor, a condenser assembly, an evaporator assembly and an electric appliance module, the compressor, the condenser assembly and the evaporator assembly are connected into a ring through pipelines, the electric refrigerating unit further comprises a temperature sensor, a liquid spraying electromagnetic valve and a capillary tube, and the temperature sensor is arranged at an exhaust port of the compressor; a node A is arranged on a pipeline connected between the condenser assembly and the evaporator assembly, and the liquid spraying electromagnetic valve and the capillary tube are sequentially connected between the node A and a liquid spraying opening of the compressor. According to the electric refrigerating unit for the refrigerator car, the refrigerator car and the control method, the liquid spraying electromagnetic valve can be opened when the temperature in the compressor is too high, a refrigerant can cool the interior of the compressor, the use efficiency of the compressor is improved, and the service life of the compressor is prolonged.

    本发明公开了一种冷藏车用电动制冷机组、冷藏车及控制方法,属于冷藏车技术领域,为解决现有冷藏车中压缩机容易因高温而损坏等问题而设计。本发明冷藏车用电动制冷机组包括压缩机、冷凝器组件、蒸发器组件和电器模块,压缩机、冷凝器组件和蒸发器组件通过管路连接成环状,还包括温度传感器、喷液电磁阀和毛细管,温度传感器设置在压缩机的排气口处;连接在冷凝器组件和蒸发器组件之间的管路上设置有节点A,喷液电磁阀和毛细管依次连接在节点A和压缩机的喷液口之间。本发明冷藏车用电动制冷机组、冷藏车及控制方法能在压缩机中温度过高时开启喷液电磁阀,冷媒能对压缩机内部进行降温,提高压缩机的使用效率及寿命。


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    Titel :

    Electric refrigerating unit for refrigerator car, refrigerator car and control method


    Weitere Titelangaben:

    冷藏车用电动制冷机组、冷藏车及控制方法


    Beteiligte:
    TIAN HUANHUAN (Autor:in) / NI ZHENGCAI (Autor:in)

    Erscheinungsdatum :

    2021-05-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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 / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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