Air conditioner control method, device and air conditioner
A control method and air conditioner technology, which are applied in the field of devices, air conditioners, and air conditioner control methods, can solve the problems that the pressure of the refrigerant cannot meet the requirements of the pressure of supplementary air and enthalpy increase, and the heat exchange efficiency between the refrigerant and the outdoor environment is reduced, and the effect of improving the performance is achieved.
Active Publication Date: 2019-04-19
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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Problems solved by technology
[0002] For fixed-frequency or variable-frequency air conditioners currently on the market, when the air conditioner operates in summer when the outdoor temperature is too high, the enthalpy value of the refrigerant compressed by the compressor often cannot meet the enthalpy value of heat exchange, resulting in the refrigerant flowing into the condenser The heat exchange efficiency with the outdoor environment is reduced, so it is necessary to supplement the air to increase the enthalpy of the compressor; while the existing air supplement to increase the enthalpy mostly adopts the method of directly charging the refrigerant after heat exchange in the outdoor unit condenser into the compressor way, the pressure of the refrigerant often cannot meet the best pressure requirements for air supplementation and enthalpy increase
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[0031] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...
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An air conditioner control method and device, and an air conditioner, relating to the technical field of air conditioners. The control method comprises: acquiring a target liquid outlet pressure and initial liquid outlet pressure of a second throttling device; adjusting the flow opening of the second throttling device and a third throttling device so that the initial liquid outlet pressure reaches to the target liquid outlet pressure; acquiring a target air outlet pressure and initial air outlet pressure of a first throttling device, wherein the target air outlet pressure and the initial air outlet pressure are the pressures of a refrigerant input into a compressor by the first throttling device; and adjusting the flow opening of the first throttling device so that the initial air outlet pressure reaches the target air outlet pressure. The control method controls electronically controlled elements and the gaseous refrigerant flowing through a radiator to perform heat exchange, and adjusts, according to a preset air supply temperature, the flow opening of the throttling devices so that the refrigerant after the heat exchange can satisfy the pressure requirement for air supplying and enthalpy increasing of the compressor; therefore the overall performance of the air conditioner is improved.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method, device and air conditioner. Background technique [0002] For fixed-frequency or variable-frequency air conditioners currently on the market, when the air conditioner operates in summer when the outdoor temperature is too high, the enthalpy value of the refrigerant compressed by the compressor often cannot meet the enthalpy value of heat exchange, resulting in the refrigerant flowing into the condenser The heat exchange efficiency with the outdoor environment is reduced, so it is necessary to supplement the air to increase the enthalpy of the compressor; while the existing air supplement to increase the enthalpy mostly adopts the method of directly charging the refrigerant after heat exchange in the outdoor unit condenser into the compressor In this way, the refrigerant pressure often cannot meet the best pressure requirements for air s...
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IPC IPC(8): F24F11/64F24F11/83F24F140/10F24F140/12
CPCF24F11/30F24F11/62F24F11/64F24F11/83F24F2110/00F24F2110/40F24F2140/12
Inventor 罗荣邦王飞张明杰许文明李波丁爽袁俊军
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD