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Air conditioner, control method and device thereof and computer readable storage medium

A control method and technology of an air conditioner, applied in the fields of control devices, computer readable storage media, air conditioners and control methods thereof, capable of solving problems such as low compressor suction temperature, affecting compressor life, and long defrosting time, etc. Reach the effect of small heating effect, reduce heat loss, fast defrosting speed

Pending Publication Date: 2020-01-17
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In method 1), the compressor needs to be stopped twice due to the need for reversing, resulting in a long defrosting time, and the suction temperature of the compressor is extremely low during defrosting
A large amount of liquid refrigerant entering the compressor will easily cause liquid shock and affect the life of the compressor

Method used

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  • Air conditioner, control method and device thereof and computer readable storage medium
  • Air conditioner, control method and device thereof and computer readable storage medium
  • Air conditioner, control method and device thereof and computer readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0119] Such as Figure 8 As shown, the control methods include:

[0120] Step S80 , in the heating mode, when it is determined that defrosting is required, the first connecting port e of the second reversing member 7 is controlled to communicate with the third connecting port g.

[0121] In the control method provided by the embodiment of the second aspect of the present invention, in the heating mode, when it is determined that defrosting is required, the defrosting mode is entered. In the defrosting mode, the first connection port e is connected to the third connection port g, and the refrigerant discharged from the exhaust port 11 of the compressor 1 flows into the outdoor heat exchanger 3 through the indoor heat exchanger 8 and the first heat exchange pipe 61 , the refrigerant releases heat in the outdoor heat exchanger 3, and defrosts the outdoor heat exchanger 3. After defrosting, it enters the second heat exchange tube 62 through the first connection port e and the thi...

Embodiment 2

[0133] Control methods include:

[0134] In the heating mode, when it is determined that defrosting is not needed, the first connection port e of the second reversing member 7 is controlled to communicate with the second connection port f.

[0135] The first connection port e communicates with the second connection port f, and the refrigerant does not flow through the second heat exchange tube 62 . In the heating mode, when it is determined that defrosting is not needed, the refrigerant does not flow through the second heat exchange tube 62, and the air conditioner performs normal heating. When the air conditioner is in heating operation, the heat accumulator 6 stores heat.

[0136] In one embodiment, in the heating mode, when it is determined that defrosting is not required, the first connection port e of the second reversing member 7 is controlled to communicate with the second connection port f, and it also includes: controlling according to the working condition parameters...

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Abstract

The invention provides an air conditioner, a control method and device thereof and a computer readable storage medium. A heat accumulator comprises a first heat exchange pipe and a second heat exchange pipe, and the first heat exchange pipe is connected with a second end of an indoor heat exchanger and a second end of an outdoor heat exchanger in series; a second reversing part comprises a first connector, a second connector and a third connector, the first connector is connected with a third port, the second connector is connected with an air inlet through a connecting pipeline, the third connector is connected with one end of the second heat exchange pipe, and the second heat exchange pipe is connected with the connecting pipeline in parallel. According to the air conditioner, when the air conditioner is in a defrosting mode, a first reversing part does not reverse, and thus heat can be continuously supplied to the indoor environment; moreover, during heat accumulation, a refrigerantneeds to flow through the indoor heat exchanger before flowing through the first heat exchange pipe, and therefore, the influence of the heat accumulation on the heating capacity of the air conditioner is small; meanwhile, the refrigerant flows through the first heat exchange pipe for heat accumulation, the defrosting time is shortened, the defrosting speed is high, the reliability is high, and defrosting is thorough.

Description

technical field [0001] The present invention relates to the field of refrigeration equipment, and more specifically, to an air conditioner, a control method thereof, a control device, and a computer-readable storage medium. Background technique [0002] There are two main traditional defrosting methods: 1) During the heating operation process of the air conditioner, the first reversing member switches to the refrigeration cycle, allowing the high-temperature and high-pressure refrigerant discharged from the compressor to enter the outdoor heat exchanger through the first reversing member, Perform defrosting. 2) Bypass defrosting, without reversing, the high-temperature and high-pressure refrigerant discharged from the compressor directly enters the outdoor heat exchanger for defrosting without passing through the indoor unit. [0003] In method 1), the compressor needs to be shut down twice due to the need for reversing, resulting in a long defrosting time, and the suction ...

Claims

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Application Information

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IPC IPC(8): F25B13/00F25B41/04F25B47/02F25B41/20
CPCF25B13/00F25B47/02F25B2347/02F25B2400/24F25B41/20
Inventor 黎辉玲杜顺开谭周衡曾小朗
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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