Defrosting control device and defrosting control method for air conditioning system, and air conditioning system
A technology for control devices and air-conditioning systems, which is applied in the field of air-conditioning systems and defrosting control devices for air-conditioning systems. It can solve problems such as poor comfort, reduce energy loss, avoid thermal expansion and contraction effects, and reduce power consumption.
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[0044] Such as figure 2 As shown, the present invention provides a control device for defrosting of an air-conditioning system, wherein,
[0045] The air conditioning system includes a compressor 1, an indoor heat exchanger 2, an outdoor heat exchanger 3 and a throttling device 4, wherein the control device includes:
[0046] A judging unit, configured to judge whether the outdoor heat exchanger 3 has reached the level where defrosting is required;
[0047] The executing unit controls the throttling device to act according to the judgment result of the judging unit so as to defrost when defrosting is required.
[0048] 1. Through the defrosting control device of the air conditioning system of the present invention, the execution unit is used to adjust the throttling device to control the defrosting, and the original control through the four-way valve reversing is cancelled, which can effectively prevent the indoor heat exchanger from Evaporating and absorbing heat during de...
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