Air conditioning system and control method
A technology for air conditioning systems and flow regulation, applied in air conditioning systems, heating and ventilation control systems, heating and ventilation safety systems, etc., to achieve the effect of increasing the optional range
Active Publication Date: 2017-03-01
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] The purpose of the present invention is to propose an air conditioning system and a control method to solve the problem in the prior art that the drop between the indoor unit and the outdoor unit must be limited within a certain range
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[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some 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.
[0020] In describing the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "upper", "lower", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descr...
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The present invention relates to an air-conditioning system and a control method, wherein the air-conditioning system includes an indoor unit and an outdoor unit, and a first throttling device and a second throttling unit are sequentially arranged between the indoor unit and the outdoor unit, wherein the first throttling device It is used for throttling, reducing pressure and regulating the flow of the medium entering the indoor unit. The second throttling unit is used for throttling, reducing the pressure and regulating the flow of the medium coming out of the outdoor unit. The second throttling unit includes the first Two throttling devices and auxiliary throttling devices. In the present invention, by setting the auxiliary throttling device in parallel with the second throttling device, the adjustment range of the throttling effect on one side of the outdoor unit is wider, and the throttling effect of the auxiliary throttling device and the second throttling device can be used together to achieve Reduce the pressure difference caused by the medium in the air conditioning system to the first throttling device, so as to ensure that the unit will not be damaged due to excessive pressure difference, and increase the drop between the indoor unit and the outdoor unit. scope.
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. Background technique [0002] With the development of the economy, the floors of buildings such as office buildings and hotels are getting higher and higher, which causes a high drop between the indoor unit and the outdoor unit when the multi-line air conditioner is in use, which will cause the throttling parts to In addition to the high and low pressure difference of the system itself, the two ends of the air conditioner also need to bear the pressure difference caused by gravity, which requires that the drop between the indoor unit and the outdoor unit of the multi-connected air conditioner must be limited within a certain range. , otherwise it is easy to cause the pipeline to be stuck, damaged or unable to work due to excessive pressure difference at both ends of the throttling component, which will eventually lead to d...
Claims
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IPC IPC(8): F24F1/00F24F11/00F25B41/06F25B49/00F25B41/34
CPCF24F1/0003F24F11/70F24F11/84
Inventor 李立民任小辉武连发熊建国余凯周冰
Owner GREE ELECTRIC APPLIANCES INC