Air compressor set double feedback control system and control method thereof
A technology of air compressor unit and control system, which is applied in pump control, mechanical equipment, machine/engine, etc. It can solve the problems of inability to flexibly adjust according to demand, low degree of self-control, and inability to organically connect high and low pressure states, so as to save energy Consumption, low cost, and the effect of reducing the number of starts and stops
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[0024] Such as figure 1 The shown dual feedback control system of the air compressor unit includes a small compressor unit providing low-pressure air and its low-pressure pipeline to low-pressure air users, and a large compressor unit providing high-pressure air and its high-pressure pipeline to high-pressure air users. There is an intercommunication pipeline between the low-pressure pipeline and the high-pressure pipeline, and there is a flow distribution valve on the intercommunication pipeline to control its on-off.
[0025] There is a low-pressure flow meter and a low-pressure pressure gauge on the low-pressure pipeline between the communication pipeline and the low-pressure gas user, and a high-pressure pressure gauge on the high-pressure pipeline between the communication pipeline and the high-pressure gas user.
[0026] There are also a flow controller and a pressure controller. The flow controller is connected to the low-pressure flowmeter through the flow signal line ...
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