The invention provides a refrigerating system of a refrigerator car. The refrigerating system comprises a compressor, a condenser, a liquid storage device and an evaporator, wherein the compressor comprises an air suction opening and an air exhaust opening, the compressor, the condenser, the liquid storage device and the evaporator are sequentially connected, a refrigerant outlet of the evaporatoris connected to the air suction opening of the compressor, an electronic expansion valve is connected between the liquid storage device and the evaporator, the electronic expansion valve is connectedwith a controller, the controller is used for controlling the opening degree of the electronic expansion valve according to the exhaust temperature of the compressor, so that the exhaust temperatureof the compressor is within a reasonable range, and then the efficiency and the service life of the compressor and the whole refrigerating system are guaranteed.
一种冷藏车的制冷系统,包括压缩机、冷凝器、储液器以及蒸发器,所述压缩机包括吸气口与排气口;所述压缩机、所述冷凝器、所述储液器以及所述蒸发器依次连接、所述蒸发器的制冷剂出口连接至所述压缩机的吸气口,所述储液器与所述蒸发器之间连接有电子膨胀阀,所述电子膨胀阀与一控制器连接,所述控制器用于根据所述压缩机的排气温度控制所述电子膨胀阀开度,使压缩机的排气温度在合理范围内,进而保障压缩机以及整个制冷系统的效率与寿命。
Refrigerating system of refrigerator car and control method of refrigerating system
一种冷藏车的制冷系统及其控制方法
2020-08-28
Patent
Elektronische Ressource
Chinesisch
IPC: | F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / 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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