Air Conditioning System and Method for Adjusting Refrigerant Filling Volume and Refrigerant Circulation Volume
A refrigerant filling amount and air-conditioning system technology, which is applied in the field of air-conditioning systems for adjusting refrigerant filling amount and refrigerant circulation volume, can solve problems such as the inability to adjust refrigerant filling volume, and achieve precise refrigerant circulation volume, extended operating capacity range, and precise control Effect
Active Publication Date: 2017-06-30
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, this adjustment can only adjust the refrigerant filling amount when switching between the cooling state and the heating state, and cannot adjust the refrigerant charging amount under different working conditions such as different cooling states or different heating states.
Method used
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Embodiment Construction
[0035] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0036] The invention provides an air conditioning system, referring to figure 2 , which discloses the first embodiment of the present invention. In this embodiment, the air conditioning system includes a compressor unit 10 , an outdoor unit 20 , an indoor unit 30 , a four-way valve 40 and a refrigerant adjustment unit 50 .
[0037] The compressor unit 10 is used to compress the refrigerant, which includes a compressor, an oil separator and a gas-liquid separator. The working process of the compressor unit 10 compressing the refrigerant is well known to those skilled in the art and will not be described in detail here. Add explanation. The compressor unit 10 has an inlet 11 and an outlet 12 .
[0038] The outdoor unit 20 is used for heat exchange between the refrigerant and the outdoor environment, thereby releasing...
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The invention discloses an air-conditioning system, which includes a compressor unit, an outdoor unit, and an indoor unit. The indoor unit has an indoor evaporator, and a first expansion valve, which is sequentially connected, is connected between the outdoor unit and the indoor unit. The refrigerant regulates the storage device and the second expansion valve. Since the air conditioning system and method of the present invention realize the control of the refrigerant filling amount and refrigerant circulation amount in the compressor unit, the outdoor unit and the indoor unit through the second expansion valve and the first expansion valve, by adjusting the refrigerant filling amount and the refrigerant circulation The volume, thereby improving the performance of the air conditioning system; and the second expansion valve is connected in series with the first expansion valve, which can obtain a better throttling effect than a single expansion valve, and can more accurately control the amount of refrigerant circulation, so that the compressor unit can Stable operation at lower frequencies, thus extending the range of its operating capabilities.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioning system and method for adjusting refrigerant filling and refrigerant circulation. Background technique [0002] An air conditioning system generally consists of a compressor, an outdoor unit, an indoor unit, and a throttling device. The throttling device generally adopts a capillary tube or an expansion valve. The amount of refrigerant circulation and refrigerant filling required by the air conditioning system are different under different working conditions. In order to achieve the optimal operation of the air conditioning system, it is necessary to adjust the refrigerant circulation and refrigerant filling of the air conditioning system. [0003] In order to adjust the refrigerant circulation of the air conditioning system, an expansion valve with adjustable opening is added to the air conditioning system, and the refrigerant circulation is controll...
Claims
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IPC IPC(8): F24F11/02F25B41/06F25B41/31
CPCF24F11/30F24F11/62F24F11/83F24F11/89F24F2110/00F24F2110/10F24F2110/12F24F2140/20F24F11/64F24F11/84F25B41/31Y02B30/70
Inventor 岳宝张智廖清高
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD