Pressure controller and control method thereof
A controller and pressure technology, which is applied in the direction of electric fluid pressure control, etc., can solve the problem of slow pressure adjustment speed of solenoid valves, achieve the effects of shortening pressure adjustment time, improving safety performance, and reducing errors
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[0039] The present invention will be described in detail below with reference to the examples, but the present invention is not limited to these examples.
[0040] An embodiment of the present invention provides a pressure controller, including a control unit 1 and a pressure coarse adjustment unit 2 , a pressure fine adjustment unit 3 and a pressure measurement unit 4 all connected to the control unit 1 .
[0041] The pressure coarse adjustment unit 2 and the pressure fine adjustment unit 3 are arranged in parallel and connected to the gas pipeline. Wherein, the pressure adjustment rate of the coarse pressure adjustment unit 2 is greater than the pressure adjustment rate of the pressure fine adjustment unit 3 .
[0042] In this embodiment, the pressure adjustment rate of the pressure fine adjustment unit 3 is half of the pressure adjustment rate of the pressure coarse adjustment unit 2 . The pressure coarse adjustment unit 2 and the pressure fine adjustment unit 3 are both s...
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