Method and mechanism for expanding heat producing capacity of heat pump under low temperature environment
A low-temperature environment and heating capacity technology, applied in heating methods, compressors with reversible cycles, refrigerators, etc., can solve problems such as heat pumps not operating normally, compressor gas transmission coefficient reduction, and suction ratio volume increase , to achieve the effect of reducing the consumption of primary energy and high-grade electric energy
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[0010] The present invention includes a high-temperature part and a low-temperature part, which are connected together through an intermediate heat exchanger 6 . The basic connection of the low-temperature part is: the outlet of compressor 1a is connected to the inlet of the high-pressure side of the four-way reversing valve 2a, the suction port of compressor 1a is connected to the outlet of the low-pressure side of the four-way reversing valve 2a, and the four-way reversing valve 2a One of the ports is connected to one end of the user-side heat exchanger 3a, the other port is connected to one end of the environment-side heat exchanger 5a, and the other end of the environment-side heat exchanger 5a is respectively connected to the control valves 7a and 7b through the throttling device 4a. One end is connected, and the other end of the control valve 7b is connected with the other end of the control valve 7a and the other end of the user-side heat exchanger 3a after passing throu...
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