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Air conditioner and control method

A control method and air conditioner technology, which is applied in heating and ventilation control systems, heating methods, machines/engines, etc., can solve problems such as reduced service life of machines, insufficient compressor oil, noise, etc., to prevent wear and noise Effect

Inactive Publication Date: 2007-05-09
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the internal oil volume of any one of the first and second compressors 11 and 12 is too much, the internal oil volume of the other compressors will be insufficient, and wear and noise will occur in the compressor with insufficient oil volume. Reduced machine life

Method used

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  • Air conditioner and control method

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Embodiment Construction

[0043] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0044] Fig. 2 is a schematic structural view of the air conditioner of the present invention, and Fig. 3 is a schematic cross-sectional view of the internal structure of the compressor of the present invention.

[0045] The air conditioner according to the present invention is the same as that shown in Fig. 2 and Fig. 3, and its composition includes following devices: an outdoor unit (O) comprising a plurality of compressors 50; an indoor unit ( 1); be connected with a plurality of compressors 50, make the oil equalizing pipe 53 of the oil quantity of each compressor 50; Perceive the oil quantity sensing means of each compressor 50 oil quantity; Control compressor 50 according to the signal of oil quantity sensing means The operation of oil equalizing pipe 53 reaches the control device (not shown) of equalizing oil quantity.

[0046] In the above-mentio...

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Abstract

An air conditioner consists of outdoor unit with multiple compressor, indoor unit connected to outdoor unit though refrigerant piping, oil homogenized pipe connected with various compressors and used to make oil quantity to each compressor be equal, oil quantity sensing means for sensing oil quantity of each compressor, controlling unit for controlling operation of compressor according to signal from oil quantity sensing means and for realizing oil quantity to be equal through oil homogenized pipe. The method for controlling air conditioner is also disclosed.

Description

technical field [0001] The present invention relates to an air conditioner and a control method thereof. In particular, an air conditioner and a control method thereof, in which an oil quantity sensing means for sensing the oil quantity is provided inside the compressor, and the operation of the compressor is controlled to achieve a balanced oil quantity according to the signal of the oil quantity sensing means. Background technique [0002] In general, an air conditioner is a device that cools or heats the indoor environment to optimize it. It takes in indoor air, cools or heats it, and discharges it indoors. [0003] Fig. 1 is a structural schematic diagram of a conventional heat pump air conditioner. [0004] The heat pump air conditioner according to the conventional technology is the same as that shown in Figure 1, and its composition includes the following devices: a compressor 2 that compresses a low-temperature and low-pressure gaseous refrigerant into a high-temper...

Claims

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Application Information

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IPC IPC(8): F24F11/00F04B39/02
Inventor 徐秉杉
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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