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Air conditioner and its controlling method

An air conditioner and control unit technology, applied to heating and ventilation control systems, refrigerators, heating methods, etc., can solve the problem of reduced reliability of compressors, damage to heaters, increased product costs and maintenance costs of compressors 104, etc. question

Inactive Publication Date: 2003-11-12
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, using such heaters 160a and 160b in the compressor 104 increases the product cost and maintenance cost of the compressor 104, which is undesirable.
Additionally, heaters 160a and 160b may be damaged, adversely affecting compressor 104
However, because the conventional compressor does not have any device to protect the compressor from the adverse effects caused by the damage of the heater, the working reliability of the compressor is reduced.

Method used

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  • Air conditioner and its controlling method
  • Air conditioner and its controlling method
  • Air conditioner and its controlling method

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Embodiment Construction

[0021] Preferred embodiments of the present invention are described in detail below with reference to examples in the accompanying drawings, in which like reference numerals designate like parts. In order to illustrate the invention, several embodiments are described with reference to the figures.

[0022] The following will refer to Figure 2A , 2B and image 3 An air conditioner with variable capacity compressor 204 and its control method according to an embodiment of the present invention will be described. Figure 2A It is a block diagram showing the control principle (system) of such an air conditioner. Such as Figure 2A As shown, when the air conditioner with the variable capacity compressor 204 has stopped for a period of time before starting to work, by controlling the motor 204C, the control unit 208 of the air conditioner controls the compressor 204, in response to the self-motor rotation detection unit 212 by stopping The time measurement unit 210 operates on ...

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Abstract

An air conditioner and a method of controlling the air conditioner includes a variable capacity compressor being operated at a maximum capacity in a case of starting an operation of the compressor after an extended stoppage for a lengthy period of time longer than a preset reference time, thus increasing a flow rate of a circulated refrigerant during an initial stage of the operation and increasing a quantity of heat generated from the motor of the compressor to vaporize and forcibly discharge a remaining liquid refrigerant from the compressor during the initial stage. Therefore, the variable capacity compressor of the air conditioner does not require heaters conventionally used for heating the refrigerant during such a stoppage, and so easy designing and production of the compressor is achieved, in addition to a reduction in a production cost of the air conditioner. This air conditioner also accomplishes a reduction in a maintenance cost thereof.

Description

technical field [0001] Generally, the present invention relates to an air conditioner, and more particularly, to an air conditioner with a variable capacity compressor, and to a method of controlling such an air conditioner. Background technique [0002] As is well known to those skilled in the art, air conditioners control indoor temperature by transferring heat between a refrigerant and indoor and outdoor air. An air conditioner usually includes an indoor heat exchanger, an outdoor heat exchanger, a compressor, and the like. While the air conditioner is operating in cooling mode, heat is transferred from the indoor air to the refrigerant in the indoor heat exchanger, and then diffused from the refrigerant to the outdoor air in the outdoor heat exchanger, thereby cooling the indoor air. During the heating operation of the air conditioner, the refrigerant absorbs the heat generated by the outdoor heat exchanger and diffuses the heat to the indoor air at the indoor heat exch...

Claims

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Application Information

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IPC IPC(8): F24F11/00F25B1/10F25B13/00F25B31/00F25B41/04F25B49/02
CPCF25B49/025F25B13/00F25B2700/171F25B2700/2106F25B2500/26F25B2500/27F25B41/043F25B31/004F25B1/10F25B2700/2104F25B2600/022F25B41/22
Inventor 金钟文李在权郑载晓金胜哲朴润铁
Owner SAMSUNG ELECTRONICS CO LTD
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