Air-conditioner control method and device and air-conditioner
A control method and an air-conditioning technology, which are applied in the control method, device and air-conditioning field of air-conditioning, can solve the problems that the pressure of the refrigerant cannot meet the requirements of the pressure of supplementary air and increase the enthalpy, 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: 2017-06-06
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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[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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The invention discloses an air-conditioner control method and device and an air-conditioner, and belongs to the field of air-conditioners. The control method includes the steps of obtaining target liquid outlet pressure and initial liquid outlet pressure of a second throttling gear; adjusting the flow opening degrees of the second throttling gear and a third throttling gear to enable the liquid outlet pressure to reach the target liquid outlet pressure; obtaining target gas outlet pressure and initial gas outlet pressure of a first throttling gear, wherein the target gas outlet pressure and the initial gas outlet pressure are pressure of a refrigerant input by the first throttling gear into a compressor; and adjusting the flow opening degree of the first throttling gear to enable the initial gas outlet pressure to reach the target gas outlet pressure. According to the control method, an electronic control element is controlled to exchange heat with the gas state refrigerant flowing through a radiator, the flow opening degrees of the throttling gear can be adjusted according to the preset air supplementing temperature, and therefore the refrigerant obtained after heat exchange can meet the pressure requirement of gas replenish enthalpy increasing of the compressor, and the overall performance of the air-conditioner is promoted.
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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Patent Timeline
Login to View More IPC IPC(8): F24F11/00
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
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