Air conditioner system and control method thereof

An air-conditioning system and control method technology, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc., can solve problems such as the inability to guarantee the normal and reliable operation of the air-conditioning system, and achieve the effect of ensuring reliable operation

Inactive Publication Date: 2017-02-22
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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Problems solved by technology

[0004] The main purpose of the present invention is to provide an air-conditioning system and its control method, aiming to solve the technical problem that the

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  • Air conditioner system and control method thereof
  • Air conditioner system and control method thereof

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] It should be noted that if directional indications (such as up, down, left, right, front, back, etc.) are involved in the embodiments of the present invention, they are only used to explain each If the relative positional relationship, movement conditions, etc. between the components change, the directional indication will also change accordingly.

[0033] In addition, if the description of "first", "second" and so on in the present invention i...

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Abstract

The invention discloses an air conditioner system. The air conditioner system comprises a double-cylinder independent compression compressor, a reversing unit, an outdoor heat exchanger, a first electronic expansion valve, a gas-liquid separator, a second electronic expansion valve and an indoor heat exchanger, all of which are sequentially connected and form a refrigerant circulation loop. The air conditioner system further comprises a controller. When the air conditioner system runs in a refrigerating mode, the aperture K11 of the first electronic expansion valve and the aperture K21 of the second electronic expansion valve are determined according to running parameters of the air conditioner system, and whether the difference value of the aperture K21 and the aperture K11 is larger than or equal to the preset value is judged, wherein when the difference value of the aperture K21 and the aperture K11 is smaller than the preset value, the aperture of the first electronic expansion valve and/or the aperture of the second electronic expansion valve are/is adjusted. The invention further discloses a control method of the air conditioner system. By means of the air conditioner system and the control method of the air conditioner system, respective control over the two electronic expansion valves is achieved, and meanwhile reliable running of the air conditioner system can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioning system and a control method thereof. Background technique [0002] The current air-conditioning system does not optimize the cycle design of the gaseous refrigerant before entering the evaporator after throttling, which causes the gaseous refrigerant to affect the heat transfer performance of the evaporator and increase the compression power consumption of the compressor, thereby affecting the energy efficiency of the air conditioner. [0003] Although the air injection enthalpy increase and double-cylinder compression technology can improve the heating capacity of the air conditioning system at low and ultra-low temperatures, in the control of the air conditioning system, in order to ensure the normal and reliable operation of the air conditioning system, the throttling adjustment of the throttling device is extremely important. Important, for exampl...

Claims

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Application Information

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IPC IPC(8): F24F11/02F24F11/00
CPCF24F11/30F24F11/62F24F11/89
Inventor 刘湍顺李金波杨亚新陈明瑜任超黄勇戚文端
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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