Cooling/heating system with variable volume ratio of internal and external heat exchangers
A heating system and outdoor heat exchanger technology, which is applied in heating and cooling combinations, refrigerators, refrigeration components, etc., can solve problems such as heating energy efficiency is not as good as cooling energy efficiency, mismatching internal and external machine systems, etc., to reduce defrosting. Difficulty, reduce condensation pressure, increase the effect of low temperature heating
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[0017] The present invention will be further described below through specific embodiments and in conjunction with the accompanying drawings.
[0018] Non-limiting examples are as follows: four state cycles are introduced below
[0019] state 1
[0020] Such as figure 1 As shown, the high-temperature and high-pressure gas discharged from the compressor 1 flows through the four-way valve 2 and then enters the outdoor heat exchanger 3 for cooling, then flows forward through the one-way valve 5 and then enters the main capillary 7 to be throttled into a low-pressure liquid, and then flows into the indoor heat exchange The device 8 is evaporated into a low-pressure gas and then enters the compressor 1 through the four-way valve 2; this is a commonly used refrigeration cycle.
[0021] state 2
[0022] Such as figure 2 As shown, the high-temperature and high-pressure gas discharged from the compressor 1 flows through the four-way valve 2 and then enters the indoor heat exchanger...
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