Air conditioner and running method of air conditioner

A technology for air conditioners and heat exchangers, applied in air conditioning systems, space heating and ventilation, space heating and ventilation details, etc., can solve problems such as poor operation reliability, improve operation reliability, and ensure defrosting reliability. , the effect of reducing the possibility of damage

Inactive Publication Date: 2017-07-11
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main purpose of the present invention is to provide an air conditioner and an operation method of the air c

Method used

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  • Air conditioner and running method of air conditioner
  • Air conditioner and running method of air conditioner
  • Air conditioner and running method of air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0069] Example two

[0070] The difference from the first embodiment is that, at the same time, both the liquid distribution pipe 50 and the defrost pipe 20 are put into use. At this time, the defrost valve 21 and the heat exchange valve 54 are opened at the same time, a part of the refrigerant flows through the liquid separation pipe 50, and the other part of the refrigerant flows through the defrost pipe 20. Compared with the heat exchange valve 54 only, the defrosting effect better.

Example Embodiment

[0071] Example three

[0072] The difference from the first embodiment is that there are multiple defrost valves 21, and each liquid collecting branch pipe 22 is provided with a defrost valve 21. By opening the plurality of defrost valves 21, the defrost pipeline 20 can be put into use.

Example Embodiment

[0073] Example four

[0074] The difference from the first embodiment is that there are multiple heat exchange valves 54, and heat exchange valves 54 are provided on each liquid branch pipe 51. By opening the plurality of heat exchange valves 54, the liquid separation line 50 can be put into use.

[0075] The air conditioner in the present invention solves the following problems:

[0076] 1. Avoid defrosting the air conditioner in winter, the indoor side does not heat, resulting in poor comfort;

[0077] 2. Avoid frequent defrosting of the air conditioner in winter, resulting in frequent start and stop of the compressor 80 and damage to the compressor 80;

[0078] 3. Avoid frequent defrosting of the air conditioner in winter, resulting in frequent reversing of the four-way valve and damage to the four-way valve.

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PUM

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Abstract

The invention provides an air conditioner and a running method of the air conditioner. The air conditioner comprises an indoor unit heat exchanger, a defrosting pipeline and an outdoor unit heat exchanger, the defrosting pipeline is provided with a defrosting valve, and the indoor unit heat exchanger is connected with the outdoor unit heat exchanger through the defrosting pipeline. By means of the air conditioner and the running method of the air conditioner, the problem that the running reliability of an air conditioner is poor during defrosting in the prior art is solved.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to an air conditioner and an operating method of the air conditioner. Background technique [0002] Some existing air conditioners have a defrosting function. [0003] Take heat pump air conditioners as an example. [0004] A general heat pump air conditioner includes a compressor, a four-way valve, an external heat exchanger, an internal heat exchanger, a throttling device, an outdoor ambient temperature sensor, an outdoor pipe temperature sensor, and a controller. The external heat exchanger has mutual There are at least two independent flow paths, each flow path is respectively provided with an on-off valve for cutting off the flow path. [0005] During defrosting in winter, when the outdoor ambient temperature is high enough to melt the outer frost under the action of the external fan, by controlling the cut-off of a certain flow path, there will be no refrige...

Claims

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Application Information

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IPC IPC(8): F24F5/00F24F13/30F25B47/02F24F11/00
CPCF24F5/001F24F11/30F24F11/62F24F13/30F25B47/02
Inventor 董涛涛赵若男陈鹏宇袁文昭杨检群玉鼎
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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