Air conditioning system

An air-conditioning system and reversing valve technology, applied in the direction of reversible cycle compressors, lighting and heating equipment, fluid circulation arrangements, etc., can solve the problem of low heat transfer performance of indoor heat exchangers and outdoor heat exchangers, refrigerant Larger flow resistance, low system control fault tolerance rate, etc., to achieve the effect of easy implementation, lower flow resistance, and higher fault tolerance rate

Inactive Publication Date: 2014-10-22
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology

[0002] Traditional air conditioning systems with ejectors usually have the following problems: 1. The refrigerant does not flow through the ejectors in heating mode, and the COP (coefficient of performance, cycle efficiency of the heat pump system) of the system is low; In the heating mode and the cooling mode, the refrigerant flows in the same direction in the indoor heat exchanger and the outdoor heat exchanger, resulting in greater flow resistance of the refrigerant, and the heat transfer performance of the indoor heat exchanger and the outdoor heat exchanger is not high; 3. The control strategy of the whole system is complicated, the cost is high, and the control fault tolerance rate of the system is low

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[0026] The present invention will be described in detail below in conjunction with examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0027] see figure 1 , an embodiment of the air conditioning system provided by the present invention, including a compressor 100, a first four-way reversing valve 200, an outdoor unit 300, a second four-way reversing valve 400, an ejector 500, a gas-liquid separator 600, a throttle Flow valve 700 and indoor unit 800.

[0028] Among them, the compressor 100 provides power for the flow of refrigerant in the whole system, and at the same time compresses the low-temperature and low-pressure gas from the evaporator into high-temperature and high-pressure gas. The outdoor unit 300 and the indoor unit 800 can use conventional copper tube aluminum fin heat exchangers. The throttle valve 700 may be an electronic expansion valve...

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Abstract

The invention discloses an air conditioning system. The air conditioning system comprises a compressor, a first four-way reversing valve, an outdoor unit, a second four-way reversing valve, an ejector, a gas-liquid separator, a throttling valve and an indoor unit. The four pipe openings of the first four-way reversing valve are sequentially connected with one end of the outdoor unit, the exhaust port of the compressor, one end of the indoor unit and the ejection flow inlet of the ejector. The four pipe openings of the second four-way reversing valve are sequentially connected with the other end of the indoor unit, the outlet of the throttling valve, the other end of the outdoor unit and the work flow inlet of the ejector. The inlet of the gas-liquid separator is connected with the outlet of the ejector, the first outlet of the gas-liquid separator is connected with the air suction port of the compressor, and the second outlet of the gas-liquid separator is connected with the inlet of the throttling valve. Under a heating or refrigerating mode, refrigerating fluid can flow through the ejector, and therefore the COP value of the system is increased. The air conditioning system is good in heat exchange performance and easy to operate and realize, the error-tolerant rate of the system is increased, and the cost of the system is lowered.

Description

technical field [0001] The invention relates to the field of household appliances, in particular to an air conditioning system. Background technique [0002] Traditional air conditioning systems with ejectors usually have the following problems: 1. The refrigerant does not flow through the ejectors in heating mode, and the COP (coefficient of performance, cycle efficiency of the heat pump system) of the system is low; In the heating mode and the cooling mode, the refrigerant flows in the same direction in the indoor heat exchanger and the outdoor heat exchanger, resulting in greater flow resistance of the refrigerant, and the heat transfer performance of the indoor heat exchanger and the outdoor heat exchanger is not high; 3. The control strategy of the whole system is complicated, the cost is high, and the control fault tolerance rate of the system is low. Contents of the invention [0003] Based on this, it is necessary to provide a simple and controllable air-condition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/00F25B41/40
CPCF25B13/00F25B41/00F25B2313/02742F25B2341/0012F25B2400/23
Inventor 田翔吴俊鸿罗永前魏广飞熊军
Owner GREE ELECTRIC APPLIANCES INC
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