Air-conditioning system, method and device for controlling the air-conditioning system
A technology of air-conditioning system and throttling device, which is applied in the direction of air-conditioning system, heating and ventilation control system, heating and ventilation safety system, etc. even liquid effect
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Embodiment 1
[0048] figure 1 is a schematic structural diagram of the air-conditioning system provided by Embodiment 1 of the present invention, as figure 1 As shown, the air conditioning system includes: a compressor 1 , a four-way valve 2 , an outdoor heat exchanger 3 , a first throttling device 4 and an indoor heat exchanger 5 . Wherein, the first throttling device 4 may be an electronic expansion valve. The outdoor heat exchanger 3 includes many branches, and all the branches are divided into the first group of circuits and the second group of circuits, which can be divided according to the positional relationship. For example, the first group of circuits is the upper branch circuit, and the second group of circuits is The group branch is the lower branch. figure 1The black arrows in indicate the direction of refrigerant flow in heating mode.
[0049] The air conditioning system further includes: a refrigerant tank 6 located between the first throttling device 4 and the outdoor heat...
Embodiment 2
[0073] Based on the same inventive concept, this embodiment provides a method for controlling an air-conditioning system, which is applied to the air-conditioning system described in the above-mentioned embodiments. Explanations of terms that are the same as or corresponding to those in the foregoing embodiments will not be repeated in this embodiment.
[0074] Figure 5 It is a flow chart of the air conditioning system control method provided in Embodiment 2 of the present invention, such as Figure 5 As shown, the method includes the following steps:
[0075] S501. Determine the current operating mode of the air conditioning system.
[0076] S502. If the current operation mode is the heating mode, control the refrigerant throttled by the first throttling device to enter the refrigerant tank through the first port of the refrigerant tank for gas-liquid separation, and control the separated gaseous refrigerant to pass through the first port of the refrigerant tank. The seco...
Embodiment 3
[0084] Based on the same inventive concept, this embodiment provides an air-conditioning system control device, which is applied to the air-conditioning system described in Embodiment 1 above, and the device can be used to implement the air-conditioning system control method described in Embodiment 2 above. The device can be realized by software and / or hardware, and generally the device can be integrated into the controller of the air conditioning system.
[0085] Image 6 It is a structural block diagram of the air-conditioning system control device provided by Embodiment 3 of the present invention, such as Image 6 As shown, the device includes:
[0086] A judging module 61, configured to judge the current operating mode of the air-conditioning system;
[0087] The first control module 62 is configured to control the refrigerant throttled by the first throttling device to enter the refrigerant tank through the first port of the refrigerant tank for gas-liquid separation if...
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