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Air conditioner and method for controlling the same

A technology of air conditioner and control method, which is applied in the direction of air conditioning system, heating and ventilation control system, instrument, etc., which can solve the problems of protection circuit damage, outdoor unit overheating, component damage, etc., and achieve the effect of suppressing overheating

Inactive Publication Date: 2012-05-30
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, although the air conditioner has a protective circuit that basically cuts off the overvoltage and the like against the input power supply, there is a possibility that an overvoltage that damages the above-mentioned protective circuit will be supplied, so a separate power supply cutoff device is required.
Furthermore, in the case where a certain level of voltage cannot be supplied because the supplied voltage is low, parts may be damaged.
[0007] In addition, the existing overvoltage cut-off unit is connected to the outside of the indoor unit as an additional external device, and when an abnormal voltage is supplied, it cuts off the power supply itself to the indoor unit and the outdoor unit, so even the fan stops working, so there is a problem. Momentary overheating inside the outdoor unit may occur

Method used

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  • Air conditioner and method for controlling the same
  • Air conditioner and method for controlling the same
  • Air conditioner and method for controlling the same

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Embodiment Construction

[0030] Hereinafter, an air conditioner and a control method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0031] figure 1 is a perspective view of an air conditioner according to an embodiment of the present invention, figure 2 is a block diagram showing the internal structure of the air conditioner of the embodiment of the present invention.

[0032] refer to figure 1 and figure 2 , The air conditioner of the embodiment of the present invention is generally composed of an indoor unit (10) and an outdoor unit (20).

[0033] Specifically, the indoor unit (10) has an indoor heat exchanger (not shown) for supplying warm air or cold air indoors, and an indoor fan (15), and is equipped with vanes or louvers ( louver) to control the direction of the exhausted air. In addition, a control panel is provided on the front surface of the above-mentioned indoor unit (10), and the control panel has a dis...

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PUM

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Abstract

The invention provides an air conditioner and a method for controlling the same. The air conditioner comprises an indoor unit and an outdoor unit connected with the indoor unit, wherein the indoor unit comprises a power supply input part that receives the input from an external power supply, an abnormal voltage detecting part which, connected with the power supply input part, detects whether the power supply input part provides abnormal voltage or not, and a control part receiving signals from the abnormal voltage detecting part; and the outdoor unit comprises a compressor used for compressing coolants. When the abnormal voltage detecting part detects the abnormal voltage, the control part will cut off the power supply for the compressor.

Description

technical field [0001] The invention relates to an air conditioner (Air conditioning apparatus) and a control method of the air conditioner. Background technique [0002] An air conditioner is a device that sends cold and warm air into the room to adjust the indoor temperature in order to make the indoor environment more comfortable. Generally, an air conditioner includes an indoor unit including a heat exchanger and installed indoors, and an outdoor unit including a compressor, a heat exchanger, etc., and supplies a refrigerant to the indoor unit. [0003] Such an air conditioner generally separately controls an indoor unit including a heat exchanger and an outdoor unit including a compressor, a heat exchanger, and the like. That is, the compressor and the heat exchanger are installed in a cabinet to form an outdoor unit, and the outdoor unit is installed on the outdoor side. [0004] As mentioned above, the air conditioner converts the input power to operate various stru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F1/00F24F11/00F24F11/02
CPCF25B2600/024F25B2600/0251F25B2700/15F24F11/32F24F11/52F24F11/61G01R19/165
Inventor 沈濠镇卞支炫吕宗燮
Owner LG ELECTRONICS INC
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