Multi-connected air conditioning unit with liquid pump to supply refrigerant
A multi-connected air conditioner and liquid pump technology, which is applied in the direction of air-conditioning systems, refrigerators, heating methods, etc., can solve the problems of poor system regulation and controllability, limited range of multi-connected systems, and poor oil return performance of the system. , to achieve the effect of improving regulation performance and controllability, facilitating flushing and carrying, and improving oil return performance
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Embodiment 1
[0017] figure 2 The structural principle diagram of the liquid pump liquid supply multi-connected air conditioner unit provided by the present invention, according to figure 2 Connect the exhaust port of the compressor 1 to the inlet of the air-cooled outdoor heat exchanger 2 through the refrigerant pipeline, connect the high-pressure accumulator 3 to the outlet of the outdoor heat exchanger 2, and use the refrigerant pipeline to connect the Outdoor unit throttling device - one end of the float valve 4 is connected to the bottom outlet of the high-pressure liquid reservoir 3, and the other end is connected to the inlet of the low-pressure liquid storage circulator 5, and the upper outlet of the low-pressure liquid storage circulator 5 is connected to the compressor 1 to form the refrigeration cycle of the outdoor unit 12. In the outdoor unit 12, the suction port of the liquid pump 6 is connected to the bottom outlet of the low-pressure liquid storage circulator 5, and the o...
Embodiment 2
[0019] image 3 Structural schematic diagram of multi-connected air conditioner unit with liquid pump for liquid supply using water-cooled heat exchanger for indoor unit. according to image 3 Connect the exhaust port of the compressor 1 to the inlet of the water-cooled outdoor heat exchanger 2 through the refrigerant pipeline, connect the high-pressure accumulator 3 to the outlet of the outdoor heat exchanger 2, and use the refrigerant pipeline to connect the outdoor Machine throttling device - one end of the electronic expansion valve 4 is connected to the bottom outlet of the high-pressure liquid accumulator 3 and the other end is connected to the inlet of the low-pressure liquid storage circulator 5, and the upper outlet of the low-pressure liquid storage circulator 5 is connected to the compressor 1 The suction port forms the refrigeration cycle of the outdoor unit. In the outdoor unit 12, the suction port of the liquid pump 6 is connected to the bottom outlet of the lo...
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