Control method for refrigerant flow quantity in automobile air conditioning system and automobile air conditioning system
A technology of an automobile air conditioning system and a control method, which is applied to the control of the refrigerant flow in the automobile air conditioning system and the field of the automobile air conditioning system, can solve the problems such as the inability to accurately control the system flow and superheat, and achieve the effect of excellent COP
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[0041] Please refer image 3 As shown, the automotive air conditioning system of the present invention in the first embodiment includes a compressor 1, a condenser 2, an internal heat exchanger 3, an electronic expansion valve 4, and an evaporator 5. The electronic expansion valve 4 adjusts its opening according to the control signal sent by the controller. The compressor 1 includes an inlet 11 and an outlet 12, the condenser 2 includes an inlet 21 and an outlet 22, and the evaporator 5 includes an inlet 51 and an outlet 52. The internal heat exchanger 3 includes a high pressure side 31 and a low pressure side 32, the high pressure side 31 includes an inlet 311 and an outlet 312, and the low pressure side 32 includes an inlet 321 and an outlet 322. From image 3 It can be clearly seen that the outlet 12 of the compressor 1 is connected to the inlet 21 of the condenser 2, and the outlet 22 of the condenser 2 is connected to the inlet 311 of the high-pressure side 31 of the inter...
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