Refrigerant pump control method, device and air conditioning unit
A control method and refrigerant pump technology, which is applied in the field of devices, air conditioning units, and refrigerant pump control methods, can solve problems such as adjusting the operation of refrigerant pump supply flow, achieve precise control methods, enhance reliability, and improve overall energy efficiency. Effect
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Embodiment 1
[0025] In the preferred embodiment 1 of the present invention, a refrigerant pump control method is provided, which can be directly applied to various refrigerant pumps, specifically, figure 1 An alternative flowchart showing the method, such as figure 1 As shown, the method includes the following steps S102-S106:
[0026] S102: Detect the operating status of the unit, which at least includes operating conditions and operating loads;
[0027] S104: Determine the optimum liquid supply flow rate of the refrigerant pump according to the operating state of the unit;
[0028] S106: Control the opening of the refrigerant pump according to the optimal liquid supply flow.
[0029] In the above embodiment, the operating state of the unit is firstly detected. The operating state of the unit includes at least the operating condition and operating load, and then the optimal liquid supply flow rate of the refrigerant pump is determined according to the operating state of the unit to cont...
Embodiment 2
[0052] Based on the refrigerant pump control method provided in the above-mentioned embodiment 1, a refrigerant pump control device is also provided in the preferred embodiment 2 of the present invention, specifically, Figure 5 shows an optional structural block diagram of the device, such as Figure 5 As shown, the device includes:
[0053] The detection module 502 is used to detect the operating status of the unit, and the operating status of the unit includes at least operating conditions and operating loads;
[0054] The liquid supply flow determination module 504 is connected to the detection module 502, and is used to determine the optimum liquid supply flow of the refrigerant pump according to the operating state of the unit;
[0055] The opening degree determination module 506 is connected with the liquid supply flow determination module 504, and is used for controlling the opening degree of the refrigerant pump according to the optimum liquid supply flow rate.
[0...
Embodiment 3
[0065] Based on the refrigerant pump control device provided in the above-mentioned embodiment 2, in preferred embodiment 3 of the present invention, an air-conditioning unit is also provided, including the above-mentioned refrigerant pump control device.
[0066] In the above embodiment, the operating state of the unit is firstly detected. The operating state of the unit includes at least the operating condition and operating load, and then the optimal liquid supply flow rate of the refrigerant pump is determined according to the operating state of the unit to control the opening of the refrigerant pump. For different working conditions and different loads, the corresponding optimal liquid supply flow rate is used as the control target. The control method is accurate, stable and reliable, which can significantly improve the overall energy efficiency of the unit and enhance the reliability of the unit operation.
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