Air conditioning system and control method for air conditioning system
A technology of an air conditioning system and a control method, which is applied in the directions of air conditioning systems, heating and ventilation control systems, heating and ventilation safety systems, etc., can solve the problems of poor heating effect and poor user experience, and achieves improved reliability and accelerated heating. The effect of starting and improving comfort
Pending Publication Date: 2019-02-05
GREE ELECTRIC APPLIANCES INC
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[0003] Based on this, it is necessary to provide an air-conditioning system and a control method for the air-conditioning system for improving the heating effect and user comfort for the problems of poor heating effect and poor user experience of the air-conditioning system in a low-temperature environment
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[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0036] see figure 1 The present invention provides an air conditioning system, including an indoor unit 110 , a first throttling device 120 , an outdoor heat exchanger 130 , a gas-liquid separator 140 and a compressor 150 arranged in series. The indoor unit 110 , the first throttling device 120 , the outdoor heat exchanger 130 , the gas-liquid separator 140 and the compressor 150 can form a heating circuit. The indoor unit 110 , the first throttling device 120 , the outdoor heat exchanger 130 , the gas-liquid separator 140 and the compressor 150 can further form a refrigeration cir...
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The invention provides a control method for an air conditioning system. The air conditioning system comprises an indoor unit, a first throttling device, an outdoor heat exchanger, a gas-liquid separator, a compressor and a bypass pipeline which are arranged in series connection, wherein the bypass pipeline is provided with a switch device, one end of the bypass pipeline is in parallel connection with the position between a first end of the indoor unit and the first throttling device, and the other end of the bypass pipeline is in parallel connection with the position between a second end of the indoor unit and an exhaust mouth of the compressor. The following steps are performed in the air conditioning heating start-up process that S11, the outdoor environment temperature W1, the gas-liquid separator inlet temperature W2 and the compressor exhaust temperature W3 are obtained; S12, the W1 is compared with a preset temperature P1 corresponding to the W1, whether the W1 is less than or equal to the P1 or not is judged, if the W1 is less than or equal to the P1, the step S13 is performed; and S13, the W2 is compared with a preset temperature P2 corresponding to the W2 and the W3 is compared with a preset temperature P3 corresponding to the W3 correspondingly, whether the W2 is less than or equal to the P2 and the W3 is larger than or equal to the P3 or not within continuous first preset time T1 are judged, and if the W2 is less than or equal to the P2 and the W3 is larger than or equal to the P3 within the continuous first preset time T1, the switch device is controlled to be turned on. The invention further relates to the air conditioning system. By means of the control method, the heating effect of the air conditioning system and the user comfort level can be improved.
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 for the air conditioning system. Background technique [0002] In the multi-connected air conditioning system, there are very long connecting pipes between the outdoor unit and the indoor unit and between the indoor unit and the indoor unit. Reduced, the refrigerant cannot cool the compressor well, resulting in high discharge temperature of the compressor, which not only reduces the reliability of the compressor, but also leads to poor heating effect of the air conditioning system and low user comfort. Contents of the invention [0003] Based on this, it is necessary to provide an air-conditioning system and a control method for the air-conditioning system for improving the heating effect and user comfort for the problems of poor heating effect and poor user experience of the air-conditioning system in a low-temperature e...
Claims
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Login to View More IPC IPC(8): F24F11/64F24F11/70F24F11/61F24F3/06F25B41/00F25B41/06F24F110/12F25B41/30F25B41/40
CPCF24F3/06F24F11/61F24F11/64F24F11/70F25B41/00F24F2110/12F25B41/30Y02B30/70
Inventor 曹勋张仕强武连发焦华超
Owner GREE ELECTRIC APPLIANCES INC