Defrost assembly, air conditioning system and control method thereof

A technology of an air-conditioning system and a control method, which is applied to air-conditioning systems, refrigeration components, refrigerators, etc., and can solve problems such as affecting user satisfaction, unable to provide heat, and reducing indoor temperature.

Active Publication Date: 2022-07-26
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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  • Defrost assembly, air conditioning system and control method thereof

Examples

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Embodiment Construction

[0021] see in combination figure 1 As shown, according to an embodiment of the present application, a defrosting assembly is provided on an outdoor unit part of an air-conditioning system for defrosting the outdoor unit part; the outdoor unit part includes a gas-liquid separator 2 and a 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] One end of the bypass pipe 6 is communicated with the refrigerant pipeline 5, and the other end is communicated with the gas-liquid separator 2;

[0023] The throttle device 61 is provided on the bypass pipe 6 .

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

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Abstract

The present application provides a defrosting assembly, an air conditioning system and a control method thereof. The defrosting assembly includes a bypass pipe, one end of which is communicated with the refrigerant pipeline, and the other end is communicated with the gas-liquid separator; a throttling device is arranged on the bypass pipe. By adding a bypass pipe on the outdoor unit assembly and arranging a throttling device on the bypass pipe, the outdoor unit assembly itself can complete the refrigeration cycle, form evaporation and heat absorption, and achieve the purpose of defrosting.

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 tends to form frost when the ambient temperature is low. The reversal 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, it belongs to refrigeration operation, that is, the refrigerant is first defrosted on the outdoor heat exchanger and then becomes a low-temperature liquid state. When it flows through the indoor unit, due to the low temperature of the refrigerant, it will inevitably be Absorbs heat from the room, and because the room cannot provide heat d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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