Air conditioner defrosting control method and device
A control method and technology of an air conditioner, applied in the direction of control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc., can solve problems such as frosting without frosting, frost-free defrosting, etc., to achieve Solve the effect of frost not melting or no frost defrosting
Inactive Publication Date: 2017-06-20
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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[0004] The embodiment of the present invention provides a defrosting control method and device for an air conditioner, aiming to solve the problem of defrosting with frost or defrosting without frost
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[0017] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such as first and second etc. are used only to distinguish one entity or operation from another with...
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The invention discloses an air conditioner defrosting control method. When heating of an air conditioner operates, the method includes the steps of obtaining the temperature of an indoor coil pipe and shutting down an outdoor fan when the temperature of the indoor coil pipe is larger than a first set temperature value; starting the outdoor fan when the temperature of the indoor coil pipe is smaller than a second set temperature value; obtaining continuous operation time of the outdoor fan of the air conditioner; and controlling the air conditioner to operate in a defrosting mode when the temperature of the indoor coil pipe is smaller than the second set temperature value and the continuous operation time of the outdoor fan of the air conditioner is larger than or equal to a set fan operation time value. By means of the air conditioner defrosting control method, whether the air conditioner frosts or not can be judged in time, the air conditioner is controlled to operate in the defrosting mode only when the air conditioner frosts, and thus the problem that frost is not melted or defrosting is started when no frost exists can be solved.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner defrosting control method and device. Background technique [0002] When the heat pump air-conditioning system is heating, when the outdoor ambient temperature is lower than freezing point, the water vapor in the air will condense on the surface of the heat exchanger, and as time changes, a frost layer will form on the surface of the heat exchanger. The heat transfer resistance between the surface of the heat exchanger and the flowing air is directly increased, so that the air flow through the heat exchanger is reduced, and the heat exchange efficiency is reduced, resulting in a decrease in the heat transfer of the system and deterioration of the heating condition of the system. It is therefore necessary to take measures to defrost. [0003] At present, the defrosting method of air conditioners generally adopts the method of timing defrosting. This me...
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IPC IPC(8): F24F11/00
CPCF24F11/62F24F11/30F24F11/42F24F11/61F24F11/64F24F11/65F24F11/70F24F2110/00F24F2140/20
Inventor 张建雄王祯祯王彦生曾福祥
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD