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Air conditioner and its control method

A technology of air conditioner and control method, applied in the field of air conditioner and its control, which can solve the problems of longer oil recovery time and inability to quickly equalize oil, etc., and achieve the effect of improving work reliability and maintaining oil balance

Active Publication Date: 2019-11-05
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] Therefore, the time required for oil recovery becomes longer, and there is a problem that oil equalization cannot be performed quickly

Method used

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  • Air conditioner and its control method
  • Air conditioner and its control method
  • Air conditioner and its control method

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Experimental program
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Embodiment Construction

[0049] Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the concept of the present invention is not limited by the proposed embodiments, and those skilled in the art to which the present invention belongs can easily propose other embodiments within the scope of the same concept.

[0050] image 3 It is a diagram showing a schematic structure of the air conditioner of the present invention.

[0051] Referring to the drawing, an air conditioner 50 according to an embodiment of the present invention includes an outdoor unit disposed outdoors and an indoor unit disposed indoors. The outdoor unit and the indoor unit include an outdoor heat exchanger 100 and an indoor heat exchanger 200 for heat exchange, respectively.

[0052] The outdoor unit includes a plurality of compressors 520, 540 and oil separators 562, 582. The oil separators 562, 582 are arranged on the outlet side of the plurality of compressors 520, ...

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PUM

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Abstract

The present invention relates to an air conditioner and a control method thereof. The air conditioner of the embodiment of the present invention includes: a compressor; a main suction flow path, used to guide the refrigerant sucked by the above compressor; an oil separator, connected to the above compressor, used for the refrigerant discharged from the above compressor The oil is separated by an agent; the oil level sensor is arranged on the above compressor to detect whether the oil inside the compressor is insufficient; the recovery flow path is used to recover the oil separated by the above oil separator to the above compressor; distribution and recovery a flow path branched from the recovery flow path and connected to the main suction flow path; and a valve device provided in the recovery flow path and the distribution recovery flow path.

Description

technical field [0001] The present invention relates to an air conditioner and a control method thereof. Background technique [0002] An air conditioner is a device for maintaining the air in a predetermined space in an optimum state according to the use and purpose. Generally, the air conditioner includes a compressor, a condenser, an expansion device, and an evaporator, which can drive a refrigerant cycle that performs compression, condensation, expansion, and evaporation of the refrigerant to cool or heat the predetermined space. [0003] The above-mentioned predetermined space can be adjusted in various ways according to the place where the above-mentioned air conditioner is used. As an example, when the air conditioner is installed in a home or an office, the predetermined space may be an indoor space of a home or a building. On the contrary, when the above-mentioned air conditioner is arranged in a car, the above-mentioned predetermined space may be a boarding space...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/32F24F11/64F24F11/86F24F11/88
CPCF25B31/004F25B49/02F25B2700/03F25B40/02F25B2400/061F25B2400/23F25B43/02F04B39/02F04B41/06F25B41/20Y02B30/70F25B2500/16F25B2600/2515
Inventor 朱赈荣张硕训
Owner LG ELECTRONICS INC