System and method for controlling gas injection quantity of multi-split air conditioning unit through enhanced vapor injection
A multi-connected air conditioner and jet enthalpy increase technology, applied in refrigerators, compressors, refrigeration components, etc., can solve the problems of small jet volume, narrow application range, difficult to achieve safe and stable operation, etc., to improve energy efficiency, guarantee The effect of stability
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[0026] The present invention will be further described below in conjunction with the drawings and embodiments.
[0027] Such as figure 1 As shown, a multi-line air conditioning unit jet enthalpy increase control system includes a jet enthalpy increase compressor 1, an oil separator 2, a four-way valve 3, an outdoor unit heat exchanger 4, a system connected in sequence and form a loop The thermo-electronic expansion valve assembly 5, the plate heat exchanger 6, the jet electronic expansion valve 7, the gas-liquid separator 8, the indoor unit heat exchanger 14, and the indoor unit electronic expansion valve 13.
[0028] The compressor 1 is a jet compressor with increased enthalpy, and its outlet is connected with the inlet of the oil separator 2. The outlet of the oil separator 2 is connected with the inlet of the four-way valve 3, the C tube of the four-way valve 3 is connected with the refrigerant inlet of the outdoor unit heat exchanger 4, and the outdoor heat exchanger 4 The re...
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