A Constant Pressure Variable Circulating Water Supply Control System
A control system, constant pressure variable technology, applied in the water supply pipeline system, water supply equipment, water supply equipment, etc., can solve the problems of energy consumption, waste, etc., to improve the adjustment time, realize full automation, and achieve the effect of stability
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[0019] refer to figure 1 , The present invention proposes a constant pressure variable circulation water supply control system, including a plurality of water pumps 1, a frequency conversion control unit 2, a power frequency control unit 3, a water supply controller 4 and a water pressure detection device.
[0020] The water pressure detection device is used to detect the water pressure in the water pipe in real time, and the water pump 1 is used to provide power to the water flow in the water pipe. In this embodiment, the water pump 1 is a centrifugal pump, and the water supply controller 4 is a PID controller (Proportion Integration Differentiation, proportional-integral-derivative controller). The water supply controller 4 is connected to the frequency conversion control unit 2 and the power frequency control unit 3 , and the frequency conversion control unit 2 and the power frequency control unit 3 are respectively connected to each water pump 1 .
[0021] Each water pump...
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