The invention relates to the technical field of automobile air conditioners, and discloses an automobile air conditioner refrigeration pipe defrosting control system which comprises an engine cooling loop and an air conditioner loop, and is characterized in that a three-way proportional valve is arranged on the engine cooling loop, and an outlet I and an outlet II of the three-way proportional valve are formed in the engine cooling loop; the third outlet is connected with an engine cooling loop through an outer sleeve of the coaxial pipe, and an inner pipe of the coaxial pipe is arranged on a low-pressure refrigerating pipe of an air conditioner loop. The invention further discloses a control method of the automobile air conditioner refrigeration pipe defrosting control system. According to the automobile air conditioner refrigeration pipe defrosting control system and the control method thereof, rapid defrosting of the refrigeration pipe is achieved, waste heat of cooling liquid is used in the defrosting process, energy does not need to be additionally consumed, the rotating speed of a compressor does not need to be intervened, the air conditioner outlet air temperature cannot be suddenly changed, user perception is good, and the service life of the compressor is long.
本发明涉及汽车空调技术领域,公开了一种汽车空调制冷管除霜控制系统,包括发动机冷却回路和空调回路,其特征在于:在发动机冷却回路上设置一个三通比例阀,三通比例阀的出口一和出口二设置在发动机冷却回路上,出口三经过同轴管的外套管与发动机冷却回路连接,同轴管的内管设在空调回路的低压制冷管上。本发明还公开了一种汽车空调制冷管除霜控制系统的控制方法。本发明汽车空调制冷管除霜控制系统及其控制方法,实现制冷管快速除霜,且除霜过程中使用冷却液余热,不需要额外消耗能量,不需要干预压缩机转速,空调出风温度不会突变,用户感知好,压缩机使用寿命长。
Defrosting control system and method for refrigeration pipe of automobile air conditioner
汽车空调制冷管除霜控制系统及其控制方法
2024-11-12
Patent
Electronic Resource
Chinese
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS |
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