Air conditioner defrosting control method and system and air conditioner
A control method and air conditioner technology, applied in heating and ventilation control systems, heating and ventilation safety systems, mechanical equipment, etc., can solve the problems of inability to accurately identify frosting of external units, incomplete defrosting, and affecting comfort, etc. Achieve fast, accurate and intelligent defrosting, avoid waste of electric energy, and improve user experience
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[0061] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the following in conjunction with the attached Figure 1-7 Specific embodiments of the present invention are described in detail.
[0062] See attached figure 1 , the present invention provides a kind of air conditioner defrosting control method, comprising the following steps:
[0063] S100. Collect the initial wind speed V0 of the air outlet of the outdoor heat exchanger after the air conditioner is turned on for the first time t1 of the heating operation or exits the defrosting process for the first time t1;
[0064] S200. Collect the actual wind speed V at the air outlet of the outdoor heat exchanger every first cycle T1;
[0065] S300. Calculate the ratio Y of the actual wind speed V to the initial wind speed V0 and / or the difference ΔV of the actual wind speed adjacent to the first period T1;
[0066] S400. When the ratio Y and / or the...
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