Air conditioning system

An air-conditioning system and evaporator technology, applied in lighting and heating equipment, irreversible cycle compressors, compressors, etc., can solve the problems that affect the stable and reliable operation of the compressor, the compressor oil continues to flow, and cannot return to the compressor, etc. , to improve performance, improve return efficiency, and improve operational reliability

Active Publication Date: 2021-12-31
HUAWEI DIGITAL POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this time, a stagnation area will be formed in the header, and the compressor oil cannot continue to flow with the pipeline after entering the stagnation area, and cannot return to the compressor, thus affecting the stable and reliable operation of the compressor

Method used

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Embodiment Construction

[0058] figure 1 Schematic diagram of the structure of the air conditioning system provided for the related art. refer to figure 1 As shown, the air conditioning system may include a compressor 11, a condenser 12, and an evaporator 13. The compressor 11 may compress the gaseous refrigerant into a high-temperature and high-pressure refrigerant, and the high-temperature and high-pressure refrigerant enters the condenser 12, and in the condenser 12 The liquid refrigerant enters the evaporator 13, absorbs a large amount of heat at the evaporator 13, and then turns into a gaseous state, and then enters the compressor 11 for recirculation.

[0059] A throttling device 17 is also connected between the condenser 12 and the evaporator 13. The specific structure of the throttling device 17 includes but is not limited to an electronic expansion valve, a thermal expansion valve, a capillary tube, etc. The throttling device 17 is used for high-pressure liquid refrigeration. The refrigeran...

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PUM

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Abstract

The embodiment of the invention provides an air conditioning system. The air conditioning system comprises a compressor, a condenser and an evaporator. The first end of the evaporator is connected to an air inlet of the compressor through a pipeline, an outlet of the compressor is connected to the first end of the condenser through a pipeline, and the second end of the condenser is connected to the second end of the evaporator through a pipeline. At least one of the evaporator and the condenser is a micro-channel heat exchanger, the micro-channel heat exchanger comprises a gas collecting pipe, a liquid collecting pipe and flat pipes, the multiple flat pipes are communicated between the gas collecting pipe and the liquid collecting pipe, an included angle is formed between the length direction of each flat pipe and the horizontal plane, and the height of the gas collecting pipe relative to the horizontal plane is larger than that of the liquid collecting pipe relative to the horizontal plane. The flat pipes extend into the gas collecting pipe by a certain length, and a retention area for containing compressor oil is defined by the wall surfaces of the two adjacent flat pipes and the wall surface of the liquid collecting pipe. The retention area is communicated with the air inlet of the compressor through an oil return pipeline. The embodiment of the invention provides the air conditioning system which can improve the reliability of the compressor.

Description

technical field [0001] The present application relates to the technical field of air conditioning systems, in particular to an air conditioning system. Background technique [0002] Compared with the copper tube through-fin heat exchanger, the micro-channel heat exchanger is made of all-aluminum material, which has the advantage of low cost. Therefore, more and more manufacturers try to replace the evaporator and condenser of the air conditioner with micro-channel heat exchangers. channel heat exchanger. [0003] In the related art, the evaporator and condenser of the air conditioning system can both use microchannel heat exchangers. The microchannel heat exchangers include headers and flat tubes. The flat tubes are connected between the two headers. When in use, the flat tubes can be vertically Placed vertically, the two headers are in an up-and-down positional relationship. [0004] At this time, a stagnation area will be formed in the header, and the compressor oil cann...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B1/00F25B31/00F25B39/00F25B41/42
CPCF25B1/00F25B31/004F25B39/00F25B41/42F25B2339/04F25B2339/02
Inventor 丘永琪陈君惠晓卫
Owner HUAWEI DIGITAL POWER TECH CO LTD
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