A high-precision continuously adjustable electronically controlled pressure reducer

Abstract

A high-precision continuously adjustable electronically controlled pressure reducer, including a pressure reducer (1), a control component (2), and an external pressure sensor (3), and two high-frequency electromagnetic valves are used to control the pressure reducer (1). Cavity pressure, using the pneumatic force of the control chamber to replace the loading force of the sensitive element of the mechanical pressure reducer (1), by adjusting the pressure reducer (1) to control the change of the chamber pressure, the continuous adjustment of the outlet pressure of the pressure reducer (1) can be realized. By matching the size of the control chamber of the pressure reducer (1) and optimizing the open-close control algorithm of the high-frequency solenoid valve, high-precision adjustment of the pressure in the control chamber can be realized, thereby improving the control accuracy of the outlet pressure of the pressure reducer (1), and the reliability is high. Long service life and high adjustment accuracy.

Description

technical field [0001] The invention relates to a high-precision continuously adjustable electronically controlled pressure reducer, which belongs to the field of pressure control. Background technique [0002] Pressure reducers are widely used in all walks of life involving hydraulic pneumatics. At present, most of the commonly used pressure reducers are mechanical pressure reducers. On the one hand, due to the fixed loading force of the sensitive components, the mechanical pressure reducer can only achieve a single pressure point adjustment of the outlet pressure; on the other hand, it is limited to mechanical pressure reducers. Due to the influence of the inherent stiffness of the sensitive element, when the inlet and outlet pressure changes, the loading force will fluctuate in a small range, resulting in low control accuracy of the pressure reducer outlet pressure. Contents of the invention [0003] The technical problem solved by the present invention is: Aiming at t...

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Problems solved by technology

[0003] The technical problem solved by the present invention is: Aiming at the problems in the prior art that the mechanical pressure reducer has a single pressure point adjustment function due to the fixed loading force and the pressure control accuracy of the pressure reducer outlet is low, a high-precision continuously adjustable pressure reducer is proposed. The electronically controlled pressure reducer can realize high-precision adjustment of the pressure in the control chamber, thereby improving the control accuracy of the pressure reducer outlet pressure

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