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Air conditioner and refrigerant recovery control method thereof

A technology of refrigerant recovery and control method, applied in space heating and ventilation control input, control input involving air characteristics, heating method, etc., can solve problems such as damage to the compressor, incomplete refrigerant recovery, etc. The effect of improving the efficiency of refrigerant recovery and reducing the complexity of operation

Active Publication Date: 2019-02-19
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether the refrigerant is recovered or not depends entirely on the experience of the operator. If the recovery time is too short, the refrigerant may not be recovered completely. If the recovery time is too long, the compressor may be damaged due to long-term no-load

Method used

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  • Air conditioner and refrigerant recovery control method thereof
  • Air conditioner and refrigerant recovery control method thereof
  • Air conditioner and refrigerant recovery control method thereof

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Embodiment Construction

[0035] see in conjunction figure 1 and figure 2 As shown, according to the embodiment of the present invention, the air conditioner includes a compressor 1, an outdoor heat exchanger 2, a first electronic expansion valve 3, a first shut-off valve 4, an indoor heat exchanger 5, a second shut-off valve 6 and a first Electric control valves, the first electronic expansion valve 3 is arranged between the first cut-off valve 4 and the outdoor heat exchanger 2 , and the first electric control valve is arranged between the second cut-off valve 6 and the compressor 1 .

[0036] The air conditioner adds a first electric control valve between the compressor 1 and the second shut-off valve, which can cooperate with the first electronic expansion valve 3 originally in the air conditioner to realize automatic control of the recovery of the refrigerant in the air conditioner. During the entire process of refrigerant recovery, only the first electronic expansion valve 3 and the first elect...

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PUM

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Abstract

The invention provides an air conditioner and a refrigerant recovery control method thereof. The air conditioner comprises a compressor (1), an outdoor heat exchanger (2), a first electronic expansionvalve (3), a first stop valve (4), an indoor heat exchanger (5), a second stop valve (6) and a first electronic control valve, wherein the first electronic expansion valve (3) is arranged between thefirst stop valve (4) and the outdoor heat exchanger (2), and the first electric control valve is arranged between the second stop valve (6) and the compressor (1). According to the air conditioner, arefrigerant can be automatically recovered, and the operation complexity is reduced.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to an air conditioner and a refrigerant recovery control method thereof. Background technique [0002] Household air conditioners need to recover the refrigerant in the system to the outdoor unit in the case of after-sales maintenance. The conventional method is to turn on the cooling mode of the air conditioner, manually close the shut-off valve on the pipeline connecting the condenser and the indoor evaporator, and then close it after a certain period of time. The shut-off valve on the pipeline connecting the indoor evaporator and the suction end of the compressor, and finally shut down. Whether the refrigerant is recovered or not depends entirely on the experience of the operator. If the recovery time is too short, the refrigerant may not be recovered completely. If the recovery time is too long, the compressor may be damaged due to long-term no-load. Conte...

Claims

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Application Information

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IPC IPC(8): F24F11/64F24F11/65F24F11/84F24F11/52F24F110/10
CPCF24F11/52F24F11/64F24F11/65F24F11/84F24F2110/10
Inventor 陈锐东廖永富熊重重邹云辉黄志辉冯青龙梁玉林
Owner GREE ELECTRIC APPLIANCES INC