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Locator based on force balance principle

A positioner and force balance technology, which is applied in the direction of valve operation/release device, valve details, engine components, etc., can solve the problem of low performance indicators such as insignificant increase in the action speed of the control valve, back dead, dead zone, etc. Unbalanced force and other problems of the core, to achieve the effect of light weight, simple structure and convenient adjustment

Inactive Publication Date: 2013-10-16
CHANGSHU HUAXIA INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many problems in the existing pneumatic valve positioner: such as large basic error, low return dead zone, dead zone and other performance indicators, the action speed of the control valve is not significantly improved, and the high pressure difference of the control valve will cause the spool of the control valve to be unbalanced strength, safety, stability, etc.

Method used

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  • Locator based on force balance principle

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Embodiment Construction

[0010] The preferred specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0011] Such as figure 1 As shown, the positioner based on the principle of force balance includes a box body 1, a magnetoelectric assembly 2 installed on one of the side walls of the box body 1, and installed on the side wall opposite to the side wall where the magnetoelectric assembly 2 is located. Feedback components and relays 3 and baffles 4 installed in the box body 1, the end of the magnetoelectric component 2 outside the box body 1 is provided with a plug interface 21, the signal is input through the plug interface 21, the described One end of the magnetoelectric assembly 2 located in the box body 1 is a relay, the thrust rod 22 of the relay is connected to one end of the baffle plate 4, and the feedback assembly includes a Feedback board 52, one end is connected to the feedback board 52, and the other end protrudes from the feedba...

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Abstract

The invention relates to a locater based on a force balance principle. The locator based on the force balance principle comprises a box body, an electromagnetic assembly, a feedback assembly and a baffle, wherein the electromagnetic assembly is arranged on one side wall of the box body, the feedback assembly is arranged on the side wall, opposite to the side wall provided with the electromagnetic assembly, of the box body, and the baffle is arranged in the box body. Due to the fact that the locator based on the force balance principle is simple in structure, the locator based on the force balance principle is small in size, light in weight, easy to assemble and convenient to adjust.

Description

technical field [0001] The invention relates to the field of valve positioners, in particular to a positioner based on the principle of force balance. Background technique [0002] There are many problems in the existing pneumatic valve positioner: such as large basic error, low return dead zone, dead zone and other performance indicators, the action speed of the control valve is not significantly improved, and the high pressure difference of the control valve will cause the spool of the control valve to be unbalanced Power, security, stability is not high. Contents of the invention [0003] The object of the present invention is to provide a positioner based on the principle of force balance. [0004] In order to achieve the above purpose, the technical solution adopted in the present invention is: a positioner based on the principle of force balance, which includes a box body, a magnetoelectric component installed on one of the side walls of the box body, and a magnetic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/12
Inventor 马乐成
Owner CHANGSHU HUAXIA INSTR
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