A refrigerant circulation system includes a control system and an electronic expansion valve. The control system includes a central processing module, a step drive control module, and a drive module. The operation of the electronic expansion valve in the refrigerant circulation system includes an initialization operation stage and a flow adjustment operation stage, and a maximum operation speed of the electronic expansion valve in the flow adjustment operation stage is smaller than or equal to a maximum operation speed of the electronic expansion valve in the initialization operation stage, and a minimum operation speed of the electronic expansion valve in the flow adjustment operation stage is smaller than a minimum operation speed of the electronic expansion valve in the initialization operation stage, so that stable and fast adjustment of the system can be implemented, and the system keeps stable running.
Refrigerant Circulation System
2016-08-04
Patent
Electronic Resource
English
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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL |