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A kind of air conditioner

An air conditioner and air technology, which is applied in the field of air conditioners, can solve problems such as low compression power of compressors, icing on the surface of outdoor heat exchangers, and low energy efficiency ratio of air conditioners, so as to increase the ratio of energy efficiency, prevent icing, The effect of improving cooling efficiency

Inactive Publication Date: 2007-05-09
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] However, in the air conditioner of the above-mentioned prior art, the refrigerant flowing into the compressor 40 through the suction pipe 41 of the compressor is in a state of low temperature and low pressure, so the compression power of the compressor is low, and the energy efficiency ratio of the air conditioner is low.
When the air conditioner is operating in heating mode, there is a problem of freezing on the surface of the outdoor heat exchanger that functions as an evaporator

Method used

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  • A kind of air conditioner
  • A kind of air conditioner
  • A kind of air conditioner

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0019] As shown in Figures 2 and 3, the air conditioner of the present invention includes: an indoor heat exchanger 100 installed indoors to cool the indoor space; an outdoor heat exchanger 200 installed outdoors to exchange heat between outdoor air and refrigerant; Between the indoor heat exchanger 100 and the outdoor heat exchanger 200, there is an expansion device 300 for expanding the refrigerant; and a compressor 400 for compressing the refrigerant. A compressor suction pipe 410 is attached to the suction end of the compressor 400 , and a compressor discharge pipe 420 is attached to the discharge end of the compressor 400 . On one side of the compressor 400 , an intermediate heat exchanger 500 for exchanging heat between the compressor suction pipe 410 and the compressor discharge pipe 420 is attached.

[0020] Specifically, the compressor...

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Abstract

An air conditioner consists of compressor, condenser for heat-exchanging refrigerant from compressor with ambient air, expansion unit for changing refrigerant from condenser to be low temperature and low pressure, evaporator for heat-exchanging refrigerant from expansion unit with ambient air, refrigerant piping and intermediate heat exchanger for making refrigerant flowing into compressor and refrigerant discharging from compressor be mixed to each other at intermediate heat exchanger.

Description

technical field [0001] The invention relates to an air conditioner, especially an air conditioner that can increase the compression power of the compressor and improve the energy efficiency ratio (EER) by exchanging heat between the refrigerant sucked into the compressor and the refrigerant discharged from the compressor. Background technique [0002] Generally, air conditioners with combined heating and cooling can choose cooling and heating. When the cooling or heating mode is selected, the refrigerant flows in opposite directions, and the cooling or heating is completed according to the selected mode. When cooling, the outdoor unit acts as a condenser, and the indoor unit acts as an evaporator. On the contrary, when heating, the indoor unit acts as a condenser, and the outdoor unit acts as an evaporator. [0003] As shown in Figure 1, the air conditioner of prior art comprises: the compressor 40 of compressing refrigerant; The outdoor heat exchanger 20 that condensation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B1/00
Inventor 金钟秀
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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