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Defrosting assembly, air conditioning system and control method of air conditioning system

An air-conditioning system and control method technology, applied in the direction of air-conditioning systems, refrigeration components, refrigerators, etc., can solve problems that affect user satisfaction, cannot provide heat, and reduce indoor temperature

Active Publication Date: 2021-02-26
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the air conditioner using this technology is defrosted, it belongs to the cooling operation, that is, the refrigerant first defrosts on the outdoor heat exchanger and then becomes a low-temperature liquid. When it flows through the indoor unit, due to the low temperature of the refrigerant, it will inevitably Absorb heat from the room, and because the room cannot provide heat during and after defrosting, the indoor temperature drops too much, which affects user satisfaction

Method used

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  • Defrosting assembly, air conditioning system and control method of air conditioning system

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Embodiment Construction

[0021] see in conjunction figure 1 As shown, according to the embodiment of the present application, a defrosting assembly is arranged on the outdoor unit part of the air conditioning system, and is used for defrosting the outdoor unit part; the outdoor unit part includes a gas-liquid separator 2 and The outdoor heat exchanger 4, the outdoor heat exchanger 4 is connected to the indoor unit 11 of the air conditioning system through the refrigerant pipeline 5, and the defrosting assembly includes:

[0022] A bypass pipe 6, one end communicates with the refrigerant pipeline 5, and the other end communicates with the gas-liquid separator 2;

[0023] The throttling device 61 is arranged on the bypass pipe 6 .

[0024] In this application, a bypass pipe 6 is provided on the refrigerant pipeline 5 directly connected between the outdoor heat exchanger 4 and the indoor unit 11 to connect with the gas-liquid separator 2, and a throttling device 61 is provided on the bypass pipe 6, In ...

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Abstract

The invention provides a defrosting assembly, an air conditioning system and a control method of the air conditioning system. The defrosting assembly comprises a bypass pipe and a throttling device, wherein one end of the bypass pipe communicates with a refrigerant pipeline, and the other end of the bypass pipe communicates with a gas-liquid separator; and the throttling device is arranged on thebypass pipe. The bypass pipe is additionally arranged on an outdoor unit assembly, and the throttling device is arranged on the bypass pipe, so that the outdoor unit assembly can complete refrigeration circulation, evaporation related heat absorption is formed, and the purpose of defrosting is achieved.

Description

technical field [0001] The application belongs to the technical field of air-conditioning systems, and in particular relates to a defrosting assembly, an air-conditioning system and a control method thereof. Background technique [0002] When the air conditioner in the prior art is heating indoors, the outdoor unit often frosts when the ambient temperature is low. However, in the prior art, the hot air defrosting method is generally used for defrosting, that is, through four The reversing of the through valve forms a refrigeration cycle, and the high-temperature gaseous refrigerant discharged from the compressor first passes through the outdoor heat exchanger for defrosting. However, when the air conditioner using this technology is defrosting, because it belongs to cooling operation, that is, the refrigerant first defrosts on the outdoor heat exchanger and then becomes a low-temperature liquid. When it flows through the indoor unit, due to the low temperature of the refrige...

Claims

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Application Information

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IPC IPC(8): F25B47/02F25B49/02F25B40/02F25B41/34F25B43/00F24F3/06F24F11/42F24F11/64
CPCF25B47/02F25B49/02F25B40/02F25B43/00F24F3/065F24F11/42F24F11/64
Inventor 曹梦迪倪毅王芳
Owner GREE ELECTRIC APPLIANCES INC
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