Variable pneumatic door control system
A valve control system and valve technology, applied to non-mechanically actuated valves, engine components, machines/engines, etc., can solve the problems of complex system structure, unsatisfactory response speed, and high energy consumption.
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[0019] Accompanying drawing 1 is a schematic diagram of an embodiment of the present invention. As shown in FIG. 1 , the control system of the present invention is mainly composed of a hydraulic supply system 1 , a high-speed switching valve 9 , a hydraulic actuator 10 and an air valve 21 . The hydraulic supply system 1 is composed of an oil pump 3 , an oil tank 19 , an oil filter 20 , a controller 8 and a proportional pressure valve 7 . The controller 8 selects a proportional amplifier, and the proportional pressure valve 7 selects a proportional overflow valve. The oil inlet of the oil pump 3 communicates with the fuel tank 19 through the oil filter 20 , and the oil outlet of the oil pump 3 is connected to the main oil pipe 2 . The total oil inlet pipe 2 is equipped with a pressure accumulator 6, a pressure gauge switch 4 and a pressure gauge 5. The output end of the proportional amplifier 8 is connected with the electromagnet of the proportional overflow valve 7, the oil ...
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