Air conditioner defrosting control method and device and air conditioner
A control method and a technology of a control device, which are applied in the field of air conditioner defrosting control and air conditioner control, can solve problems such as indoor ambient temperature fluctuations, interruption of heating, and impact on user comfort, so as to avoid adverse consequences and improve comfort Effect
Active Publication Date: 2017-05-31
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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Problems solved by technology
[0006] The main purpose of the present invention is to provide a defrosting control method for an air conditioner, which aims to solve the problem that the heating process is interrupted during defrosting in the heating mode, causing fluctuations in the indoor environment temperature, and affecting user comfort
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[0049] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0050] Based on the above problems, the present invention provides a defrosting control method for an air conditioner.
[0051] refer to figure 1 , figure 1 It is a schematic flow chart of the first embodiment of the method for improving the heating and defrosting comfort of an air conditioner according to the present invention.
[0052] In one embodiment, the method includes:
[0053] Step S1, when the heating mode is running, it is judged whether defrosting is required;
[0054] When the air conditioner is running in the heating mode, the refrigerant is pressurized by the compressor to become a high-temperature and high-pressure gas, which enters the indoor heat exchanger (at this time, the evaporator), and the refrigerant condenses and liquefies to release heat and become a liquid refrigerant. At the same time, ...
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The invention discloses an air conditioner defrosting control method. The air conditioner defrosting control method comprises the steps that if defrosting is needed, a heating mode is switched into a defrosting mode, running manners of a four-way valve, an indoor draught fan and an outdoor draught fan are kept unchangeable, a compressor is stopped, and a refrigerant heating device is started so as to heat a flowing refrigerant; after the defrosting mode is executed for a first preset time, the four-way valve is closed, and the outdoor draught fan is stopped; after the defrosting mode is executed for a second preset time, the compressor is started; and after the running time of the defrosting mode of an air conditioner reaches the preset time, the refrigerant heating device and the compressor are stopped, and the outdoor draught fan is started. The invention further discloses an air conditioner defrosting control device and the air conditioner. In the air conditioner defrosting control method, the air conditioner defrosting control device and the air conditioner, a frost layer caused by air conditioner heating is defrosted, bad consequences caused by frosting are avoided, the heating process is not interrupted during defrosting in the heating process, and the comfort level of a user is improved.
Description
technical field [0001] The invention relates to the technical field of air conditioner control, in particular to an air conditioner defrosting control method and device and an air conditioner. Background technique [0002] During the heating process of the air conditioner in winter, the compressor compresses the refrigerant into a high-temperature and high-pressure gas, which supplies heat to the room through the evaporator. When the refrigerant flows through the condenser, the temperature is below 0°C, and it needs to absorb heat from the outside. The moisture contained in the air It will condense into frost on the surface of the condenser. [0003] The adverse consequences of frosting in the air conditioner are: 1. Blocking the passage between the fins and increasing the air flow resistance; 2. Increasing the thermal resistance of the heat exchanger and reducing the heat exchange capacity; Hot water also needs to consume the energy consumption of the original hot water, a...
Claims
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Login to View More IPC IPC(8): F24F11/00F24F11/02
CPCF24F11/30F24F11/62F24F11/89
Inventor 霍军亚
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD