Defrosting operation method for heat pumps
An operation method and heat pump technology, applied in heat pumps, lighting and heating equipment, damage protection, etc., can solve the problems of heat pump efficiency reduction, flow resistance, etc., and achieve the effect of reducing the manufacturing unit price
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[0050] Below, refer to figure 2 , 3 The heat pump operation method of the present invention will be described.
[0051] figure 2 It is a structural block diagram showing the structure and cycle of the multistage heat pump of the present invention, image 3 means that according to the present invention figure 2The action curve diagram of the change of the operating state of the compressor, electronic expansion valve and reversible valve due to the operating stage of the heat pump.
[0052] First, in the representation of the heat pump system figure 2 In , solid line arrows indicate the flow of refrigerant during cooling operation, and dotted line arrows indicate the flow of refrigerant during heating operation.
[0053] refer to figure 2 , image 3 , the heat pump is composed of a compressor 11, a reversible valve 12, an outdoor heat exchanger 14, an electronic expansion valve 22, a container 16, an indoor heat exchanger 21, and the like.
[0054] In this way, when...
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