Air conditioning system and its control method
An air-conditioning system and control method technology, applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of low pressure and low pressure, achieve the effect of improving energy efficiency, increasing evaporation pressure and condensation pressure
Active Publication Date: 2019-09-24
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] The invention discloses an air-conditioning control system and its control method, which solves the problem of low low voltage in the system in the prior art
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Embodiment Construction
[0020] The present invention will be further described below in conjunction with embodiment, but is not limited to the content on the description.
[0021] According to the first embodiment of the present invention, an air-conditioning system is disclosed. The air-conditioning system has a refrigerant compression cycle, and the refrigerant compression cycle includes a compressor 1 and a gas-liquid separator 2. The air-conditioning system also includes a heat exchange circuit 3 and an additional heat exchange device 4, the first end of the heat exchange circuit 3 communicates with the exhaust pipeline of the compressor 1, the second end of the heat exchange circuit 3 communicates with the liquid refrigerant pipeline in the refrigerant compression cycle, and the heat exchange circuit 3 is provided with additional The heat exchanger 4, the inlet pipe of the vapor-liquid separator 2 enters the interior of the vapor-liquid separator 2 after passing through the additional heat exchan...
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An air-conditioning system and its control method are disclosed. The air-conditioning system has a refrigerant compression cycle, the refrigerant compression cycle includes a compressor and a gas-liquid separator, and the air-conditioning system also includes a heat exchange circuit and an additional A heat exchanger, the first end of the heat exchange circuit communicates with the discharge pipeline of the compressor, the second end of the heat exchange circuit communicates with the liquid refrigerant pipeline in the refrigerant compression cycle, the An additional heat exchanger is provided on the heat exchange circuit, and the inlet pipe of the gas-liquid separator enters the interior of the gas-liquid separator after passing through the additional heat exchanger, and the additional heat exchanger is used to compress the The high-temperature refrigerant in the exhaust pipe of the machine exchanges heat with the low-temperature refrigerant in the inlet pipe of the vapor-liquid separator. In the present invention, the low-temperature refrigerant at the inlet pipe of the gas-liquid separator is exchanged with the high-temperature refrigerant in the discharge pipe of the compressor, thereby increasing the evaporation pressure and condensation pressure during the operation of the unit, and improving the energy efficiency of the overall unit.
Description
technical field [0001] The invention relates to the technical field of air conditioning control, in particular to an air conditioning system and a control method thereof. Background technique [0002] Commercial air-conditioning systems such as multi-split units, due to their installation characteristics such as long-connected pipes, high drop, and large refrigerant injection volume, often have a large pressure loss in the system piping, or the system has a large amount of refrigerant during partial load operation, so the system has low pressure. The problem not only affects the performance and energy efficiency of the unit, but also affects the reliability of the compressor of the unit due to liquid return. Contents of the invention [0003] The invention discloses an air conditioning control system and a control method thereof, which solves the problem of relatively low low voltage in the system in the prior art. [0004] According to one aspect of the present invention...
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IPC IPC(8): F25B1/00F25B41/06F25B49/02F25B41/34
CPCF25B1/00F25B49/02F25B2600/2513F25B2700/2103F25B2700/1931F25B41/31Y02B30/70
Inventor 贾翔曹勋张明祥
Owner GREE ELECTRIC APPLIANCES INC