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Air conditioning system and its control method

A technology of air conditioning system and control method, which is applied in the direction of control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc. It can solve the problems that the energy efficiency of the air conditioning system cannot be guaranteed, and meet the operation requirements , Guarantee the effect of operating energy efficiency

Active Publication Date: 2019-01-08
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing throttling adjustments are all independently controlled and adjusted according to their respective influencing parameters, so the energy efficiency of the air conditioning system cannot be guaranteed.

Method used

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  • Air conditioning system and its control method
  • Air conditioning system and its control method
  • Air conditioning system and its control method

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Embodiment Construction

[0025] 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.

[0026] 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.

[0027] 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-conditioning system, which includes double-cylinder independent compression compressors connected in sequence to form a refrigerant circulation loop, a reversing unit, an outdoor heat exchanger, a first throttling unit, a gas-liquid separator, and a second throttling unit . Indoor heat exchanger; it is characterized in that the air-conditioning system further includes a controller, and the controller calculates the refrigerant throttling degree of the first throttling unit or the second throttling unit according to the operating parameters of the air-conditioning system, and according to the preset The set ratio between the first throttling unit and the second throttling unit determines the degree of refrigerant throttling of the second throttling unit or the first throttling unit. The invention also discloses a control method of the air conditioning system. The invention can not only ensure the operating energy efficiency of the air-conditioning system, but also enable the air-conditioning system to quickly meet the operating requirements.

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 level of the air conditioning system at low and ultra-low temperatures, but in the control of the air conditioning system, in order to ensure the normal operation and energy efficiency of the air conditioning system, the throttling of the throttling device Regulation is extremely important. Fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B13/00F25B41/00F24F11/64F24F11/84F25B41/40
CPCF24F11/30F24F11/62F24F11/70F24F2110/00F25B13/00F25B41/40
Inventor 黄勇刘湍顺戚文端杨亚新陈明瑜
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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