Method for controlling operating of air conditioner

An air conditioner and operating frequency technology, which is applied in the field of controlling the start-up operation of the air conditioner, and can solve problems such as exhaust pipe fatigue damage, compressor damage, and exhaust pipe rupture.

Inactive Publication Date: 2009-07-29
DAEWOO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result of an excessive increase in temperature, the compressor may be damaged or the discharge pipe may be ruptured
[0013] In addition, since the nature of the compressor during the entire operation of the air conditioner makes it a source of vibration, the excessive increase in pressure due to the above-mentioned reasons becomes another factor in the fatigue damage of the discharge pipe

Method used

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  • Method for controlling operating of air conditioner
  • Method for controlling operating of air conditioner
  • Method for controlling operating of air conditioner

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Embodiment Construction

[0038] Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0039] As described hereinafter, unlike the conventional method (i.e., the method of changing the operating frequency of the compressor and the opening degree of the EEV in two stages when operating the air conditioner), the present invention controls the start-up operation of the compressor in the following manner: at When the power is input, the reference operating frequency is calculated based on the difference between the indoor temperature and the preset temperature and each correction coefficient. Thereafter, after an operation start signal is input, after first establishing a balance state between indoor pressure and outdoor pressure by driving the indoor and outdoor fans, the operating frequency of the compressor is increased to the calculated reference operating frequency in a stepwise manner. The object of the present invention c...

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Abstract

A method for controlling a start-up operation of an air conditioner having a compressor and an indoor and an outdoor fan includes the steps of: (a) calculating indoor cooling / heating load; (b) calculating a reference operating frequency of the compressor; (c) driving the indoor and the outdoor fan during a first time period to thereby adjust pressure equilibrium between an indoor and an outdoor pressure; (d) driving the compressor during a preset time period while increasing an operating frequency of the compressor; and (e) setting the operating frequency of the compressor to the reference operating frequency and driving the compressor. The operating frequency of the compressor is increased in a stepwise manner during the preset time period and kept to be lower than the reference operation frequency throughout the preset time period.

Description

technical field [0001] In general, the present invention relates to a method of controlling the operation of an air conditioner, and more particularly, the present invention relates to a method of controlling the starting operation of a compressor in an air conditioner, which adjusts the temperature according to the difference between the indoor temperature and a preset temperature The operating volume of the compressor. Background technique [0002] As is well known in the art, a typical air conditioner has such figure 1 structure shown. [0003] refer to figure 1 , a typical air conditioner is roughly divided into an outdoor unit 110 and an indoor unit 120 . The outdoor unit 110 includes: a compressor 111 , a four-way valve 112 , an outdoor heat exchanger 113 , an electronic expansion valve (EEV) 114 , a storage 115 and an outdoor fan 116 . The indoor unit 120 includes an indoor heat exchanger 121 and an indoor fan 123 . [0004] In the cooling operation of a typical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF25B49/022F25B2500/26Y02B30/741F25B2600/0253F24F11/008F25B13/00F24F11/83Y02B30/70F24F11/84F24F11/86
Inventor 宋吉弘
Owner DAEWOO ELECTRONICS CO LTD
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