Driving pressure regulator

A pressure regulator and air pressure technology, which is applied in the direction of instruments, electric fluid pressure control, fluid pressure control, etc., can solve the problems of reduced sensitivity and precision of the pressure regulator, and achieve the improvement of automatic control level, timely sealing performance, and good performance. The effect of sealing performance

Active Publication Date: 2017-06-06
四川九门科技股份有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] This application provides a driving pressure regulator to solve the problem that the gas pressure regulator in the prior art can only be solved by increasing the elasticity in the driver when it is applied in an environment with a large upstream pressure or a large gas flow. The area of ​​the diaphragm increases the driving force, which causes the technical problem of reducing the sensitivity and accuracy of the pressure regulator

Method used

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  • Driving pressure regulator

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Embodiment 1

[0051] Please refer to figure 1 , Embodiment 1 of the present application provides a drive voltage regulator, including:

[0052] first pilot 101;

[0053] The second pilot 102 includes a first isolation membrane, a first pressure applying device, and a casing, the first surface of the first isolation membrane and the casing surround a first cavity 1021, and the first isolation membrane The second surface of the second surface and the housing enclose a second cavity 1022, the first surface is opposite to the second surface, and the first pressure applying device is arranged in the first cavity 1021;

[0054] The air pressure input end 103 is used to input the first air pressure; the valve seat is arranged on the passage of the first air pressure, including a valve port; the air pressure output end 104 is communicated with the air pressure input end 103 through the valve port; the driver 105, comprising a second isolation membrane 1051, an elastic device 1052 and a drive hous...

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PUM

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Abstract

The invention discloses a driving pressure regulator. Through adoption of a second director that can input second driving air pressure to a driver, air pressure in a third cavity and loading force of an elastic device inside the driver can be balanced without increases of the area of a second isolated film in the driver when first air pressure has a high air pressure value or the flow of the first air pressure is large. The technical effects are that sensitivity and control precision of the driving pressure regulator are guaranteed while the application range of the driving pressure regulator is increased.

Description

technical field [0001] The invention relates to the field of air supply control, in particular to a driving pressure regulator. Background technique [0002] At present, the existing gas pressure regulator needs to be closed in time when the gas system stops supplying gas, and achieve effective sealing performance, so as to ensure that there will be no gas overflow, and ensure the safety and gas saving of the entire gas system. However, the gas pressure regulator in the prior art mainly relies on the closing spring to exert force on the regulating member of the plugging valve port, and press the regulating member on the valve port to close the pressure regulator. When the pressure regulator needs to meet higher upstream air pressure or greater air flow, the closing spring needs to exert a greater force, and further, the required stiffness, that is, hardness, of the closing spring will also be greater. With stiffer closing springs, the actuator requires more force to control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D16/20
CPCG05D16/2013
Inventor 王川牟樵牧王林张金海
Owner 四川九门科技股份有限公司
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