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Gas-fired proportional controller for supplying heat safely

A proportional controller and safe technology, applied in valve details, engine components, valve operation/release devices, etc., can solve the problems of inconspicuous adjustment of voltage input and valve port flow ratio, long closing time, and bulky volume. The effect of avoiding the phenomenon of flame impact, improving the control accuracy and ensuring the safety of use

Inactive Publication Date: 2007-08-22
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing gas control devices generally adopt pilot-operated permanent magnet voltage control. Due to differences in structural design, there are common defects such as unclear adjustment of voltage input and valve flow ratio, low precision, bulky volume, easy leakage, and long closing time.

Method used

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  • Gas-fired proportional controller for supplying heat safely
  • Gas-fired proportional controller for supplying heat safely
  • Gas-fired proportional controller for supplying heat safely

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The present invention mainly includes a main valve body 25, an air inlet 1 and an air outlet 24 placed at both ends of the main valve body 25, an emergency cut-off switch valve 4 placed in the main valve body 25, a pilot proportional valve 8, a pilot main valve, Servo voltage regulator 21 and so on.

[0025] The function of the emergency cut-off switch valve is to make the rubber sealing block move up or down quickly by means of the return spring and the electromagnetic suction force of the moving iron core coil through the energization or power loss of the electromagnetic coil, and can be opened or closed quickly within <1S. The valve port realizes the on-off of the gas passage. It mainly consists of electromagnetic coil 4-1, static iron core 4-3 and moving iron core 4-5 placed in electromagnetic coil 4-1, and rubber sealing block with return spring 4-7 placed at the lower part of moving iron core 4-5 4-9, the A air chamber 3 placed on the side of the rubber sealing b...

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PUM

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Abstract

A proportional controller of gas for high-safety heat supply is composed of main valve body with inlet and outlet and such units in said main valve body as emergency cut-off valve, pilot proportional valve serially connected to said emergency cut-off valve, pilot main valve and servo pressure regulator. Its advantages are fast closing, delayed opening, stable pressure at outlet, smooth combustion, and high control accuracy.

Description

technical field [0001] The invention relates to a gas safety heating proportional controller, which belongs to the technical field of gas safety regulation and control. Background technique [0002] The main function of the gas regulating device is to open and close the gas passage and adjust the gas flow. Existing gas control devices generally adopt pilot-operated permanent magnet voltage control. Due to the difference in structural design, there are common defects such as unclear adjustment of voltage input and valve flow ratio, low precision, bulky volume, easy leakage, and long closing time. Contents of the invention [0003] The purpose of the present invention is to provide a gas safe heating proportional controller with reasonable design, which can effectively and safely realize the opening and closing of the gas channel, and has functions such as quick closing, delayed opening, proportional flow adjustment and stable outlet pressure. [0004] The present invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/02
Inventor 梁宝来方志明任建刚杨能干加强
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