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Flame detection mechanism beneficial to guaranteeing sealing performance

A technology of flame detection and sealing performance, which is applied to the safety device, combustion method, combustion chamber and other directions of the combustion chamber, can solve the problems of unsatisfactory sealing performance and the reliability needs to be improved, and achieves the advantages of service life and accuracy, and guarantees sealing. performance, effectiveness against connection and seal failure

Inactive Publication Date: 2014-09-17
SICHUAN TIANWEI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the unsatisfactory sealing performance of the flame detector under thermal stress in the above-mentioned prior art, and the reliability of the flame detector in an environment with large temperature difference changes needs to be improved, the present invention provides a flame detection mechanism that is beneficial to ensure the sealing performance

Method used

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  • Flame detection mechanism beneficial to guaranteeing sealing performance

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Effect test

Embodiment 1

[0026] Such as figure 1 , a kind of flame detection mechanism that is beneficial to ensure the sealing performance, comprising a casing in the form of a box and a flame detection assembly arranged in the casing, the casing includes a side wall 1 constituting the side of the casing, a bottom plate 10 constituting the bottom surface of the casing and a The cover plate 3 on the upper end surface of the box body, the side wall 1 is a cylindrical structure rolled by corrugated board, and each corrugation on the corrugated board forms a closed ring around the circumference of the side wall 1, each ring The different parts of the above are located at the same height;

[0027] A glass 5 for passing light is also provided on the side wall 1 or the cover plate 3;

[0028] The flame detection assembly includes any one of an infrared detector 7 or an ultraviolet detector 8;

[0029] The side wall 1 or the cover plate 3 is also provided with a threading pipe 2 for cables to pass through ...

Embodiment 2

[0032] The present embodiment is further limited on the basis of embodiment 1, as figure 1 , in order to facilitate the installation and disassembly of the glass 5 on the present invention, to facilitate the assembly and maintenance of the present invention, it also includes a glass fixing seat 6 that is bolted to the side wall 1 or the cover plate 3, and the side wall 1 or the cover plate 3 is provided with a glass card groove, and the glass 5 is clamped in the glass card groove through the glass fixing seat 6. The above arrangement makes the glass 5 be detachably connected on the side wall 1 or the cover plate 3 .

Embodiment 3

[0034] The present embodiment is further limited on the basis of embodiment 1, as figure 1 , in order to facilitate the installation of the present invention in the boiler furnace, the bottom plate 10 is also fixedly connected with a fixing base 11, and the fixing base 11 is provided with at least two connecting bolt holes.

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Abstract

The invention discloses a flame detection mechanism beneficial to guaranteeing the sealing performance. The flame detection mechanism comprises a housing and a flame detection assembly. The housing comprises a side wall forming the side face of a case, a bottom board forming the bottom face of the case and a cover board forming an upper end face of the case. The side wall is of a tubular structure formed by winding a corrugated board. Each corrugation on the corrugated board forms a closed ring in the circumferential direction of the side wall. Different parts of each ring are located at the same height. The side wall or the cover board is further provided with glass. The flame detection assembly comprises an infrared detector or an ultraviolet detector. The side wall or the cover board is further provided with a wire passing pipe. The wire passing pipe comprises a threaded base, a puller screw and a sealing ring. The flame detection mechanism is simple in structure, connection failure or sealing failure of the housing under high thermal stress can be avoided, the service life of the flame detection assembly is prolonged, the accuracy of the flame detection assembly is improved, the sealing performance of the housing can be guaranteed, and the reliability of the flame detection mechanism is facilitated.

Description

technical field [0001] The invention relates to a safety monitoring device for supervising flame conditions, in particular to a flame detection mechanism which is beneficial to ensure sealing performance. Background technique [0002] At present, there may be flammable gas or dust in places such as chemical plants, oil refineries, substations, industrial warehouses, and even common diesel generator rooms used as emergency power sources. Due to the large number of industrial control equipment and complicated working conditions, these important places must be protected against open flames, Smoke, dust, electrical short circuit, explosion and other sudden abnormal situations are strictly monitored, and flame detection devices are indispensable safety equipment in the above areas. [0003] Flame detection devices in the prior art generally package infrared detectors in aluminum or plastic casings. Depending on the installation position of the flame detectors, the detector circui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M11/04
Inventor 姚超陈和兵黄成国陈建
Owner SICHUAN TIANWEI ELECTRONICS