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Air Conditioning System

An air-conditioning system and interface technology, which is applied in the direction of fluid circulation arrangements, refrigeration components, refrigerators, etc., can solve problems such as compressor damage and reduced performance of air conditioners, and achieve the effect of improving performance and operational reliability

Active Publication Date: 2018-08-17
MIDEA GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the characteristics of the air-injection enthalpy-enhancing compressor, if there is liquid refrigerant returning directly to the compressor, it will not only reduce the performance of the air conditioner, but also cause damage to the compressor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 2 As shown, in this embodiment, the gas-liquid separator 8 includes: a casing 80 , an input pipe 82 , a filter screen 83 and an output pipe 84 , wherein a separation space 81 is defined in the casing 80 . The input pipe 82 protrudes from the top of the casing 80 into the separation space 81 , and the port of the input pipe 82 outside the casing 80 defines an input port k. The filter screen 83 is arranged in the separation space 81 and below the input pipe 82 to separate gas and liquid and filter impurities. The output pipe 84 protrudes from the bottom wall of the casing 80 into the separation space 81 , and the port of the output pipe 84 outside the casing 80 defines a gas output port n. Wherein the port of the output pipe 84 located in the housing 80 is open and located in the lower part of the separation space 81 .

[0043] In this embodiment, the gas-liquid mixed refrigerant entering the separation space 81 from the input pipe 82 undergoes gas-liqui...

Embodiment 2

[0046] Such as image 3 As shown, in this embodiment, the difference from Embodiment 1 is that the port of the output pipe 84 located in the housing 80 is closed and the closed port is located at the upper part of the separation space 81, and the port adjacent to the closed port of the output pipe 84 A through hole 85 is provided on the surrounding wall. Of course, it should be understood that the position of the closed port of the output pipe 84 is not limited thereto, for example, the closed port can also be located in the middle of the separation space 81 .

[0047] Specifically, there are a plurality of through holes 85 and the plurality of through holes 85 are evenly spaced around the peripheral wall of the output pipe 84 . Thereby ensuring the output of gaseous refrigerant. More specifically, the plurality of through holes 85 are distributed in multiple rows, and the rows of through holes 85 are evenly spaced in the vertical direction, and each row of through holes 85 ...

Embodiment 3

[0052] Such as Figure 4 As shown, in this embodiment, different from Embodiment 1, the output pipe 84 protrudes from the top wall of the casing 80 into the separation space 81 and the lower end of the output pipe 84 is located above the filter screen 83 .

[0053] In this embodiment, the gas-liquid mixed refrigerant that enters the separation space 81 from the input pipe 82 is separated from the gas and liquid under the double action of gravity and the filter screen 83, and the separated gas refrigerant enters from the lower end of the output pipe 84 into the The output pipe 84 is input from the gas output port n to the gas injection port c, and the separated liquid refrigerant is stored at the bottom of the separation space 81 .

[0054] It should be noted that in this embodiment, other structures of the gas-liquid separator 8, such as the structure of the housing 80, the installation position of the input pipe 82 and the filter screen 83, etc., can be the same as those in E...

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PUM

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Abstract

The invention discloses an air-conditioning system, comprising: an air injection enthalpy increasing compressor, a reversing assembly, an indoor heat exchanger, an outdoor heat exchanger, a flash evaporator, a first throttling element, a second throttling element and a gas-liquid separator. The air injection enthalpy increasing compressor includes an exhaust port, an air return port and an air injection port. The flash evaporator has a gas-liquid outlet, a first nozzle and a second nozzle, the first nozzle is connected with the second end of the indoor heat exchanger, and the second nozzle is connected with the second end of the outdoor heat exchanger. The first throttling element is connected in series between the first nozzle and the indoor heat exchanger, and the second throttling element is connected in series between the second nozzle and the outdoor heat exchanger. The gas-liquid separator has an input port and a gas output port, the input port is connected with the gas-liquid ejection port, and the gas output port is connected with the gas ejection port. According to the air-conditioning system of the present invention, the liquid refrigerant is prevented from directly returning to the air-injection enthalpy-increasing compressor through the air-injection port to cause damage to the air-injection enthalpy-increasing compressor, and the performance and operation reliability of the air-conditioning system are improved.

Description

technical field [0001] The invention relates to the refrigeration field, in particular to an air conditioning system. Background technique [0002] At present, most air-conditioning systems that use air-jet enthalpy-increasing compressors use a flash evaporator to separate gas-liquid from the refrigerant condensed by the condenser, and the gaseous refrigerant returns directly to the compressor through the air jet port for compression. Thereby improving the performance of the air conditioner. According to the characteristics of the air injection enthalpy increasing compressor, if the liquid refrigerant returns directly to the compressor, it will not only reduce the performance of the air conditioner, but also cause damage to the compressor. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide an air-conditioning syste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B41/00F25B41/06F25B41/31F25B41/40
Inventor 郑雄李金波
Owner MIDEA GRP CO LTD
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