Control method and device for slowing frosting and air conditioner
A control method and air conditioner technology, which is applied in the direction of control input related to air characteristics, space heating and ventilation control input, heating mode, etc., can solve the problems of poor heating effect and affect user experience, and slow down the speed of frosting , Improve the heating effect and reduce the number of shutdowns
Active Publication Date: 2019-07-05
NINGBO AUX ELECTRIC
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Problems solved by technology
[0003] The problem solved by the present invention is that the heating effect of the air conditioner is relatively poor during the heating operation, which affects the user experience
Method used
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[0037] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0038] Please refer to figure 1 , is a schematic diagram of the composition of the air conditioner 100 provided by the embodiment of the present invention. The air conditioner 100 includes an air conditioner external unit 110 and an air conditioner internal unit 120. In the air conditioner external unit 110, the pipeline between the compressor 111 and the four-way valve 112 is the exhaust pipe 113 of the air conditioner external unit 110. The exhaust pipe 113 A connecting pipe 116 is provided between the inlet pipe 115 of the outdoor unit heat exchanger 114 , the exhaust pipe 113 communicates with the inlet pipe 115 through the connecting pipe 116 , and a valve element 117 is arranged on the connecting pipe 116 .
[0039] In this embodime...
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The invention provides a control method and device for slowing frosting and an air conditioner, and relates to the technical field of air conditioning. A connecting pipe is arranged between the exhaust pipe of an outdoor unit of the air conditioner and the inlet pipe of a heat exchanger of the outdoor unit, so that the exhaust pipe is communicated with the inlet pipe through the connecting pipe; avalve member is arranged on the connecting pipe; when a power-on command is received and the power-on command instructs the air conditioner to be operated in a heating mode, the outlet air temperature of an internal unit and the collection temperature of a preset collection point in the heat exchanger of the outdoor unit are obtained; and when the first continuous time of the air outlet temperature of the internal unit is higher than a preset value and the first continuous time of the collection temperature is not higher than a second preset value, the valve member is controlled to be opened,so as to import the refrigerant in the exhaust pipe into the heat exchanger of the outdoor unit through the connecting pipe and the inlet pipe. In such a way, the high-temperature and high-pressure refrigerant in front of the valve member can be imported into the heat exchanger of the outdoor unit, so as to improve the refrigerant temperature in the heat exchanger of the outdoor unit, slow the frosting speed of the outdoor unit of the air conditioner, enhance the heating effect of the air conditioner and improve the comfort of the air conditioner during low-temperature heating.
Description
technical field [0001] The present invention relates to the technical field of air conditioning, in particular, to a control method and device for alleviating frost formation, and an air conditioner. Background technique [0002] With the development of society, people's living standards are constantly improving, and the quality of life they pursue is getting higher and higher, and the use of air conditioners is becoming more and more common. At present, the air conditioner has the problem of poor heating effect during heating operation. On the one hand, it is because the frosting of the external unit of the air conditioner during heating will affect the heating effect; on the other hand, it is because the external unit of the air conditioner needs to Defrost, and it needs to be shut down during defrosting, resulting in intermittent shutdown of the air conditioner during heating operation, which also affects the heating effect of the air conditioner. Contents of the invent...
Claims
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IPC IPC(8): F24F11/41F24F11/64F24F11/65F24F110/10
CPCF24F11/41F24F11/64F24F11/65F24F2110/10
Inventor 张新明谭双尚凯锋王成张挺
Owner NINGBO AUX ELECTRIC