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Air conditioner

An air conditioner and refrigerant technology, applied in the field of air conditioners that can improve heating capacity and efficiency, can solve the problems of deterioration of heating performance, decrease of compressor suction density, increase of installation cost, etc., and achieve the effect of saving cost, space and reducing size

Inactive Publication Date: 2012-07-25
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In existing air conditioners, when the outdoor temperature drops rapidly due to cold waves or low-temperature heating is performed in a colder area, the evaporation pressure drops, the suction density of the compressor decreases, and it is difficult to obtain the mass flow required for heating operation
Therefore, the heating performance will deteriorate significantly
In the case of replacing the air conditioner with a large-capacity air conditioner or additionally installing a new air conditioner, the installation cost increases, and a space for installation needs to be secured

Method used

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Examples

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Embodiment Construction

[0022] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to these embodiments, but may be implemented in various forms. These examples are provided for illustrative purposes only and to enable those skilled in the art to understand the present invention. Like elements are denoted by like reference numerals throughout the drawings.

[0023] figure 1 It is a schematic diagram showing the configuration of an air conditioner according to an embodiment of the present invention. figure 2 It is a block diagram showing the control flow of the air conditioner according to the embodiment of the present invention. image 3 to show figure 1 Mollier diagram (P-H diagram) of the cooling cycle of the air conditioner shown.

[0024] refer to figure 1 , the air conditioner according to this embodiment of the present invention includes: a plurality of scroll co...

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Abstract

An air conditioner includes a plurality of compressors, a condenser that condenses a refrigerant compressed in the plurality of the compressors, an expansion device that expands the refrigerant discharged from the condenser, and an evaporator that evaporates the refrigerant expanded in the expansion device. A first path diverges between the condenser and the evaporator to supply a portion of the refrigerant discharged from the condenser to at least one of the plurality of compressors. A second path diverges between the condenser and the evaporator to supply a portion of the refrigerant discharged from the condenser to a path between the plurality of compressors.

Description

technical field [0001] The present disclosure relates to an air conditioner, and more particularly, to an air conditioner capable of improving heating capacity and efficiency. Background technique [0002] Generally speaking, an air conditioner includes a heating device, a cooling device, a heat pump, an air filter, and the like. [0003] An air conditioner is a device that cools or heats an indoor space by performing the process of compressing, condensing, expanding, and evaporating refrigerant. Air conditioners can be classified into ordinary air conditioners or duplex air conditioners, in which a single indoor unit is connected to an outdoor unit, and in a duplex air conditioner, multiple indoor units are connected to an outdoor unit. Air conditioners include compressors, condensers, expansion valves, and evaporators. The refrigerant discharged from the compressor is condensed in the condenser and then expanded in the expansion valve. The expanded refrigerant is evapor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B1/10F25B41/04F25B49/02
CPCF25B2400/13F25B2400/0411F25B2400/0409F25B1/10F25B41/04F25B41/20F25B30/02F25B49/02F25B45/00
Inventor 尹必铉史容澈
Owner LG ELECTRONICS INC