Refrigeration system
A refrigeration device and refrigerant technology, which is applied in the direction of exhaust devices, mufflers, refrigerators, etc., and can solve the problems of increased pressure pulsation, increased refrigerant density and sound velocity, etc.
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[0092]
[0093] figure 1 A schematic refrigerant circuit 2 of the air-conditioning apparatus 1 according to the embodiment of the present invention is shown in .
[0094] This air conditioner 1 is an air conditioner that uses carbon dioxide as a refrigerant and can perform cooling operation and heating operation, and is mainly composed of a refrigerant circuit 2, blowing fans 26, 32, a control device 23, a high pressure sensor 21, a temperature sensor 22 and The intermediate pressure sensor 24 and the like are configured.
[0095] The refrigerant circuit 2 is mainly equipped with a compressor 11, a π-type muffler 20, a four-way switching valve 12, an outdoor heat exchanger 13, a first electric expansion valve 15, an accumulator 16, a second electric expansion valve 17 and Indoor heat exchanger 31, such as figure 1 As shown, the units are connected via refrigerant conduits.
[0096] Furthermore, in the present embodiment, the air conditioner 1 is a separate air conditioner...
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