Air conditioning system with two compressors and method for operating the same
An air-conditioning system and compressor technology, which is applied in the direction of compressors with reversible cycle, compressors, compressors with irreversible cycle, etc., can solve the problems such as the inability to quickly meet the cooling load and the prolongation of waiting time.
Inactive Publication Date: 2005-03-16
LG ELECTRONICS INC
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Problems solved by technology
At the same time, due to the above-mentioned problems, the waiting time for restarting the first compressor that has been stopped is prolonged, and thus the increased cooling load cannot be quickly met
Method used
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Embodiment Construction
[0039] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0040] image 3is a block diagram showing an air conditioning system according to the invention with two compressors, and Figure 4 is a bar graph showing the operating state of the compressors in the air conditioning system with two compressors according to the present invention.
[0041] Air conditioner among the present invention is similar to figure 1 conventional air conditioners. exist image 3 In , the solid arrows indicate the flow of control signals from the control unit to the various components in the air conditioner, while the dashed arrows indicate the flow of refrigerant between the components in the air conditioner. refer to image 3 , the air conditioning system of the present invention will be described below.
[0042] The compressor 100 sucks gaseous refrigerant evaporated by the evaporator, and then compresses the sucke...
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Disclosed are an air conditioning system with two compressors so as to shorten standby time for re-operating a stopped compressor and variably change the compression capacity of a refrigerant according to cooling load, and a method for operating the air conditioning system. The method for operating the air conditioning system with two compressors, comprises the first step of simultaneously operating the compressors regardless of cooling load at an early stage of the operation, the second step of selectively operating one of the compressors according to the cooling load, and the third step of additionally re-operating the stopped compressor when the operated compressor selected from the compressor in the second step is continuously operated for longer than a designated time, thereby shortening the standby time for re-operating the stopped compressor, rapidly changing the compression capacity of the refrigerant according to the cooling load, and improving users' comfort within a room.
Description
technical field [0001] The invention relates to an air conditioning system with two compressors and a method for operating the same, in particular to an air conditioning system with two compressors in order to shorten the The waiting time also relates to the method for operating the air conditioning system. Background technique [0002] Generally speaking, the air conditioning system includes: a compressor, which is used to compress the gaseous refrigerant in a low-temperature and low-pressure state, so as to convert it to a high-temperature and high-pressure state; gaseous refrigerant under low pressure to convert it into liquid refrigerant at medium temperature and high pressure; and evaporator to evaporate liquid refrigerant at low temperature and low pressure after passing through the expansion valve to convert it gaseous refrigerant in the state. A heat pump air conditioner with additional heating function also includes a four-way valve for switching the direction of ...
Claims
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IPC IPC(8): F24F11/02F25B13/00F25B30/00F25B49/00F25B49/02
CPCF25B13/00F25B49/022F25B2600/02F25B2600/0251F25B2700/2104F25B2400/0751F25B30/00F25B49/00
Inventor 李元熙崔昶民黄尹提许德金哲民
Owner LG ELECTRONICS INC