CN104048753A - Flame detection device - Google Patents
Flame detection device Download PDFInfo
- Publication number
- CN104048753A CN104048753A CN201410304200.6A CN201410304200A CN104048753A CN 104048753 A CN104048753 A CN 104048753A CN 201410304200 A CN201410304200 A CN 201410304200A CN 104048753 A CN104048753 A CN 104048753A
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- cover plate
- sidewall
- flame detection
- detection device
- circle
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Abstract
The invention discloses a flame detection device. The flame detection device comprises a shell and a flame detection assembly. The shell comprises a side wall, a bottom plate, a cover plate and two flexible connecting rings, wherein the two flexible connecting rings are used for connecting the side wall and the bottom plate and connecting the side wall and the cover plate, the flexible connecting rings are annular, and the cross section of any point on each flexible connecting ring in the height direction of the flexible connecting ring is in the shape of an arc-shaped plate. The side wall or the cover plate is further provided with glass. The flame detection assembly comprises any one of an infrared detector and an ultraviolet detector. The side wall or the cover plate is further provided with a conduit, and the conduit comprises a threaded base, an abutting threaded rod and a sealing ring. The flame detection device is simple in structure, favorable for preventing connection and sealing of the shell from failing under large thermal stress, favorable for the service life and the precision of the flame detection assembly and favorable for guaranteeing the sealing performance of the shell, and the reliability of the flame detection device is improved.
Description
Technical field
The present invention relates to a kind ofly for supervising the safety monitoring device of flame situation, particularly relate to a kind of flame detection device.
Background technology
The at present place such as chemical plant, refinery, transformer station, industrial stores or even the common diesel generator room as Emergency Power, may there is inflammable gas or dust, because industrial control equipment is numerous, operating mode complexity, these important events must strictly be monitored unexpected abnormality situations such as naked light, flue dust, electrical short-circuit, blasts, and flame detection device is indispensable safety equipment in above-mentioned zone.
Prior art Flame sniffer is generally to encapsulate infrared eye in aluminium matter or plastic casing, according to the installation site of flame detector, may require detector circuit to completely cut off with external environment, be that aluminium matter or plastic casing need be brought into play sealing insulating effect, the probe body that applies to the monitoring of gas fired-boiler furnace flame combustion case just need meet above-mentioned requirements.In prior art, because gas fired-boiler burner hearth temperature difference under work and idle state exceedes hundreds of degree Celsius, gas fired-boiler burner hearth all needed purge with displacement inflammable gas wherein before igniting, while preventing from lighting a fire, blast, the flame detection device shell that Here it is need to apply to wherein must have good sealing effectiveness, prior art Flame detector is undesirable in thermal stress lower seal performance, and the reliability in the large environment of difference variation awaits improving.
Summary of the invention
Undesirable in thermal stress lower seal performance for above-mentioned prior art Flame detector, the reliability in the large environment of difference variation awaits raising problem, the invention provides a kind of flame detection device.
For addressing the above problem, a kind of flame detection device provided by the invention solves problem by following technical essential: a kind of flame detection device, comprise and be the shell of casing and flame detecting assembly is in the enclosure set, described shell comprise form casing side sidewall, form tank floor base plate, form casing upper surface cover plate be connected respectively sidewall and base plate, be connected sidewall and cover plate two and flexibly connect circle, describedly flexibly connect circle in the form of a ring, flexibly connect the upper any point of circle to flexibly connect the equal camber in cross section in circle short transverse tabular;
On sidewall or cover plate, be also provided with the glass passing through for light;
Described flame detecting assembly comprises any one in infrared eye or ultraviolet detector;
On sidewall or cover plate, be also provided with the penetration pipe through described shell for cable, described penetration pipe comprises and is fixed on sidewall or cover plate and is wherein provided with the threaded block of reducing through hole, is threaded and is provided with the fastening screw of through hole and is fastened on the O-ring seal in threaded block reducing through hole with threaded block, is also provided with the through hole passing for cable on described O-ring seal.
Concrete, the flame detecting assembly arranging is for monitoring the combustion case of flame, the shell arranging contacts with extraneous inflammable gas or dust for the circuit part that intercepts flame detecting assembly, the glass arranging is convenient to infrared light or ultraviolet light passes through shell, be beneficial to the susceptibility of flame detecting assembly to flame combustion situation, preferably flame detector is arranged on the rear of glass.
In the present invention, flexibly connect circle in the form of a ring, flexibly connect the upper any point of circle in the tabular structure setting of the equal camber in cross section flexibly connecting in circle short transverse, make to flexibly connect circle yielding under external force, adopt at sidewall and cover plate, between sidewall and base plate by flexibly connecting the structure setting of circle, be convenient at sidewall, cover plate, base plate produces in the process of thermal deformation or distortion recovery, sidewall, cover plate, on base plate, thermal stress is applied to and flexibly connects on circle, like this, flexibly connect circle and reduce sidewall and cover plate by distortion, thermal stress between sidewall and base plate, be conducive to prevent that described shell from connecting and seal failure under larger thermal stress, adopt above version simultaneously, be convenient to by shell arrange larger, even if the larger thermal deformation that larger shell causes also can be offset by flexibly connecting circle, like this, heat-barrier material can be set in the situation that ensureing connection and sealing property in the present invention, be conducive to serviceable life and the precision of flame detecting assembly, the penetration pipe arranging passes described shell for flame detecting assembly and extraneous line, in the version of penetration pipe, screw thread on threaded block can be set to internal thread, on the part that on threaded block, different diameter hole is less and O-ring seal, the aperture of through hole is set to be slightly larger than the external diameter of described connecting line, extruding by fastening screw to O-ring seal, make O-ring seal and distortion, to realize the sealing in gap between O-ring seal and line, above version is conducive to ensure the sealing property of described shell, is conducive to reliability of the present invention.
Further technical scheme is:
Installation and removal for ease of glass in the present invention, be beneficial to I& M of the present invention, also comprise and become bolted glass holder with sidewall or cover plate, on described sidewall or cover plate, be provided with glass wedged groove, described glass is fastened in glass wedged groove by glass holder.More than be arranged so that glass is and removably connects on sidewall or cover plate.
For ease of processing of the present invention, manufacture and assembling, also comprise many coupling bolts, described in flexibly connect circle and cover plate, base plate and sidewall and all enclose into bolt and be connected with flexibly connecting by coupling bolt.
Installation for ease of the present invention in boiler furnace, is also fixedly connected with holder on described base plate, be provided with at least two coupling bolt holes on described holder.
Because shell all can produce deformation in various degree under different temperatures, be subject to above-mentioned influence of crust deformation to change the decline of cause measuring accuracy with respect to glass position for reducing infrared eye or ultraviolet detector, described flame detecting assembly also comprises detector mount pad, one end of described detector mount pad is fixed on shell, and infrared eye or ultraviolet detector are fixed on the other end of detector mount pad.
For the benefit of response accuracy of the present invention, described flame detector assembly comprises infrared eye and ultraviolet detector.
For strengthening intensity of the present invention, described glass is tempered glass, and sidewall, base plate and cover plate are cast aluminium, flexibly connects circle for stainless steel.
For saving material cost of the present invention, described in flexibly connect and on circle, be also provided with annular intensity stiffening ring.The intensity stiffening ring arranging makes flexibly connecting that circle still has oppose side wall thinner in the situation that or cover plate has enough supporting capacity.
The present invention has following beneficial effect:
1, flexibly connect circle in the form of a ring, flexibly connect the upper any point of circle in the tabular structure setting of the equal camber in cross section flexibly connecting in circle short transverse, make to flexibly connect circle yielding under external force, adopt at sidewall and cover plate, between sidewall and base plate by flexibly connecting the structure setting of circle, be convenient at sidewall, cover plate, base plate produces in the process of thermal deformation or distortion recovery, sidewall, cover plate, on base plate, thermal stress is applied to and flexibly connects on circle, like this, flexibly connect circle and reduce sidewall and cover plate by distortion, thermal stress between sidewall and base plate, be conducive to prevent that described shell from connecting and seal failure under larger thermal stress.
2, adopt above version simultaneously, be convenient to by shell arrange larger, even if the larger thermal deformation that larger shell causes also can be offset by flexibly connecting circle, like this, can in the situation that ensureing connection and sealing property, heat-barrier material be set in the present invention, be conducive to serviceable life and the precision of flame detecting assembly.
3, the penetration pipe arranging passes described shell for flame detecting assembly and extraneous line, in the version of penetration pipe, screw thread on threaded block can be set to internal thread, on the part that on threaded block, different diameter hole is less and O-ring seal, the aperture of through hole is set to be slightly larger than the external diameter of described connecting line, extruding by fastening screw to O-ring seal, make O-ring seal and distortion, to realize the sealing in gap between O-ring seal and line, above version is conducive to ensure the sealing property of described shell, is conducive to reliability of the present invention.
Brief description of the drawings
Fig. 1 is the cut-open view of a specific embodiment of a kind of flame detection device of the present invention.
Figure acceptance of the bid note is respectively: 1, penetration pipe, 2, infrared eye, 3, sidewall, 4, flexibly connect circle, 41, intensity stiffening ring, 5, coupling bolt, 6, viewport, 7, glass, 8, glass holder, 9, ultraviolet detector, 10, detector mount pad, 11, holder, 121, base plate, 122, cover plate, 13, threaded block, 14, fastening screw, 15, O-ring seal.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As Fig. 1, a kind of flame detection device, comprise and be the shell of casing and flame detecting assembly is in the enclosure set, described shell comprise form casing side sidewall 3, form tank floor base plate 121, form casing upper surface cover plate 122 be connected respectively sidewall 3 and base plate 122, be connected sidewall 3 and cover plate 121 two and flexibly connect and enclose 4, describedly flexibly connect circle 4 in the form of a ring, flexibly connect any point on circle 4 to flexibly connect the equal camber in cross section in circle 4 short transverses tabular; On sidewall 3 or cover plate 122, be also provided with the glass 7 passing through for light; Described flame detecting assembly comprises any one in infrared eye 2 or ultraviolet detector 9; On sidewall 3 or cover plate 122, be also provided with the penetration pipe 1 through described shell for cable, described penetration pipe 1 comprises and is fixed on sidewall 3 or cover plate 122 and is wherein provided with the threaded block 13 of reducing through hole, is threaded and is provided with the fastening screw 14 of through hole and is fastened on the O-ring seal 15 in threaded block 13 reducing through holes with threaded block 13, on described O-ring seal 15, is also provided with the through hole passing for cable.
In the present embodiment, be to ensure the sealing property of shell, described sidewall 3 with flexibly connect circle 4, base plate 121 and flexibly connect enclose 4, cover plate 122 and flexibly connect between enclosing 4 and be provided with sealing asbestos.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, installation and removal for ease of glass 7 in the present invention, be beneficial to I& M of the present invention, also comprise and sidewall 3 or 122 one-tenth bolted glass holders 8 of cover plate, on described sidewall 3 or cover plate 122, be provided with glass wedged groove, described glass 7 is fastened in glass wedged groove by glass holder 8.More than be arranged so that glass 7 is and removably connects on sidewall 3 or cover plate 122.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, for ease of processing of the present invention, manufacture and assembling, also comprise many coupling bolts 5, described in flexibly connect circle 4 with cover plate 122, base plate 121 and sidewall 3 all by coupling bolt 5 with flexibly connect enclose 4 one-tenth bolts be connected.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, and as Fig. 1, the installation for ease of the present invention in boiler furnace, is also fixedly connected with holder 11 on described base plate 121, is provided with at least two coupling bolt holes on described holder 11.
Embodiment 5:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, because shell all can produce deformation in various degree under different temperatures, be subject to above-mentioned influence of crust deformation to change the decline of cause measuring accuracy with respect to glass 7 positions for reducing infrared eye 2 or ultraviolet detector 9, described flame detecting assembly also comprises detector mount pad 10, one end of described detector mount pad 10 is fixed on shell, and infrared eye 2 or ultraviolet detector 9 are fixed on the other end of detector mount pad 10.
Embodiment 6:
The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1, and for the benefit of response accuracy of the present invention, described flame detector assembly comprises infrared eye 2 and ultraviolet detector 9.
Embodiment 7:
The present embodiment is further qualified on the basis of above embodiment, and as Fig. 1, for strengthening intensity of the present invention, described glass 7 is tempered glass, and sidewall 3, base plate 121 and cover plate 122 are cast aluminium, flexibly connects circle 4 for stainless steel.
For saving material cost of the present invention, described in flexibly connect circle and be also provided with annular intensity stiffening ring 41 on 4.The intensity stiffening ring 41 arranging makes flexibly connecting that circle 4 still has oppose side wall 3 thinner in the situation that or cover plate 122 has enough supporting capacity.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (8)
1. a flame detection device, comprise and be the shell of casing and flame detecting assembly is in the enclosure set, it is characterized in that: described shell comprises the sidewall (3) that forms casing side, form the base plate (121) of tank floor, form the cover plate (122) of casing upper surface and be connected respectively sidewall (3) and base plate (122), two that connect sidewall (3) and cover plate (121) flexibly connect circle (4), describedly flexibly connect circle (4) in the form of a ring, flexibly connect the upper any point of circle (4) to flexibly connect the equal camber in cross section in circle (4) short transverse tabular,
On sidewall (3) or cover plate (122), be also provided with the glass (7) passing through for light;
Described flame detecting assembly comprises any one in infrared eye (2) or ultraviolet detector (9);
On sidewall (3) or cover plate (122), be also provided with the penetration pipe (1) through described shell for cable, described penetration pipe (1) comprises that to be fixed on sidewall (3) or cover plate (122) upper and be wherein provided with the threaded block (13) of reducing through hole, be threaded and be provided with the fastening screw (14) of through hole and be fastened on the O-ring seal (15) in threaded block (13) reducing through hole with threaded block (13), and described O-ring seal is also provided with the through hole passing for cable on (15).
2. a kind of flame detection device according to claim 1, it is characterized in that, also comprise with sidewall (3) or cover plate (122) and become bolted glass holder (8), on described sidewall (3) or cover plate (122), be provided with glass wedged groove, described glass (7) is fastened in glass wedged groove by glass holder (8).
3. a kind of flame detection device according to claim 1, it is characterized in that, also comprise many coupling bolts (5), described in flexibly connect circle (4) and cover plate (122), base plate (121) and sidewall (3) all by coupling bolt (5) with flexibly connect circle (4) and become bolt to be connected.
4. a kind of flame detection device according to claim 1, is characterized in that, is also fixedly connected with holder (11) on described base plate (121), is provided with at least two coupling bolt holes on described holder (11).
5. a kind of flame detection device according to claim 1, it is characterized in that, described flame detecting assembly also comprises detector mount pad (10), one end of described detector mount pad (10) is fixed on shell, and infrared eye (2) or ultraviolet detector (9) are fixed on the other end of detector mount pad (10).
6. a kind of flame detection device according to claim 1, is characterized in that, described flame detector assembly comprises infrared eye (2) and ultraviolet detector (9).
7. according to a kind of flame detection device described in any one in claim 1 to 6, it is characterized in that, described glass (7) is tempered glass, and sidewall (3), base plate (121) and cover plate (122) are cast aluminium, and flexibly connecting circle (4) is stainless steel.
8. according to a kind of flame detection device described in any one in claim 1 to 6, it is characterized in that, described in flexibly connect and on circle (4), be also provided with annular intensity stiffening ring (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304200.6A CN104048753B (en) | 2014-06-30 | 2014-06-30 | A kind of flame detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304200.6A CN104048753B (en) | 2014-06-30 | 2014-06-30 | A kind of flame detecting device |
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| Publication Number | Publication Date |
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| CN104048753A true CN104048753A (en) | 2014-09-17 |
| CN104048753B CN104048753B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410304200.6A Active CN104048753B (en) | 2014-06-30 | 2014-06-30 | A kind of flame detecting device |
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| CN (1) | CN104048753B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910715A (en) * | 2016-05-24 | 2016-08-31 | 上海莱帝科技有限公司 | Flame detector performance testing device through open fire detection |
| CN110530511A (en) * | 2019-08-29 | 2019-12-03 | 南京凯盟仕电子科技有限公司 | A kind of portable ion flame detector and its application method |
| CN112629664A (en) * | 2020-11-25 | 2021-04-09 | 何冰山 | Flame detector and method of use |
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| CN203929222U (en) * | 2014-06-30 | 2014-11-05 | 四川天微电子有限责任公司 | A kind of flame detection device |
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2014
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| JP2001116254A (en) * | 1999-10-18 | 2001-04-27 | Seiko Precision Inc | Flame monitor |
| WO2009080094A1 (en) * | 2007-12-19 | 2009-07-02 | Abb Research Ltd | Flame scanning device and method for its operation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910715A (en) * | 2016-05-24 | 2016-08-31 | 上海莱帝科技有限公司 | Flame detector performance testing device through open fire detection |
| CN110530511A (en) * | 2019-08-29 | 2019-12-03 | 南京凯盟仕电子科技有限公司 | A kind of portable ion flame detector and its application method |
| CN110530511B (en) * | 2019-08-29 | 2020-07-17 | 南京凯盟仕电子科技有限公司 | Portable ion flame detector and use method thereof |
| CN112629664A (en) * | 2020-11-25 | 2021-04-09 | 何冰山 | Flame detector and method of use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104048753B (en) | 2016-06-08 |
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Address after: No. 233, Wulian 1st Road, Gongxing street, Shuangliu District, Chengdu, Sichuan 610000 Patentee after: Sichuan tianmicroelectronics Co., Ltd Address before: 610000 No. 12, Cheng Cheng Road, Longtan Industrial Development Zone, Longtan, Chengdu, Sichuan, Chenghua District Patentee before: SICHUAN TIANWEI ELECTRONIC Co.,Ltd. |
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