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Air conditioner and control method thereof

A control method, air conditioner technology, applied to heating and ventilation control systems, refrigerators, heating methods, etc., can solve problems such as restart failure, longer time to re-drive the compressor, longer auxiliary operation time of the electronic expansion valve, etc. , to achieve the effect of reducing power consumption and improving convenience

Inactive Publication Date: 2011-02-23
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the auxiliary operation time of the electronic expansion valve becomes longer, the time required to re-drive the compressor becomes longer, or restarting fails

Method used

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  • Air conditioner and control method thereof
  • Air conditioner and control method thereof
  • Air conditioner and control method thereof

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Embodiment Construction

[0022] Below, specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings.

[0023] figure 2 It is a schematic diagram showing a part of the structure of the air conditioner of the present invention.

[0024] Such as figure 2 As shown, based on the cooling operation, the air conditioner of the present invention is composed of the following parts: a first compressor 10 and a second compressor 12 for compressing, condensing, and expanding refrigerant, an outdoor heat exchanger 14, and an electronic expansion valve. 16 and an indoor heat exchanger 18; it is arranged at the front end of the first compressor 10 and the second compressor 12, and an accumulator 20 for filtering the liquid refrigerant contained in the sucked refrigerant; it is arranged at the first compressor 10 and the second The rear end of the compressor 12, and the reversing valve 22 that regulates the flow of the refrigerant during cooling and heatin...

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Abstract

The invention discloses an air conditioner and controlling method, which comprises the following steps: changing the opening value of electronic bulking valve before driving the second compressor according to rising condition of heating load; driving the second compressor under control order precisely. Therefore, the invention reduces the energy consumption due to fail driving of the second compressor, which improves the effect of convenience of the product.

Description

technical field [0001] The invention relates to an air conditioner and a control method thereof. In particular, when at least one compressor is used and the cooling and heating loads increase, the set opening value of the electronic expansion valve is changed, and the flow rate supplied to at least one compressor is adjusted, so that it can be stably driven and stopped. Air conditioner with at least one compressor and its control method {Air conditioner and the controlling method}. Background technique [0002] figure 1 It is a schematic diagram showing a partial structure of a prior art air conditioner. [0003] Such as figure 1 As shown, based on the cooling operation, the air conditioner in the prior art is composed of the following parts: a compressor 2 that compresses the refrigerant into a high-temperature and high-pressure gaseous refrigerant; condenses the refrigerant that passes through the compressor 2 into a medium-temperature and high-pressure liquid refrigera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/00F25B49/02
Inventor 黄盛俊
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD