CN203929222U - A kind of flame detection device - Google Patents
A kind of flame detection device Download PDFInfo
- Publication number
- CN203929222U CN203929222U CN201420355424.5U CN201420355424U CN203929222U CN 203929222 U CN203929222 U CN 203929222U CN 201420355424 U CN201420355424 U CN 201420355424U CN 203929222 U CN203929222 U CN 203929222U
- Authority
- CN
- China
- Prior art keywords
- sidewall
- cover plate
- circle
- flexibly connect
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The utility model discloses a kind of flame detection device, comprise shell and flame detecting assembly is set, described shell comprises sidewall, base plate, cover plate and is connected respectively sidewall and base plate, is connected sidewall and cover plate two and flexibly connects 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 glass; Described flame detecting assembly comprises any one in infrared eye or ultraviolet detector; On sidewall or cover plate, be also provided with penetration pipe, described penetration pipe comprises threaded block, fastening screw and O-ring seal.The utility model is simple in structure, be conducive to the sealing property that prevents connection and the seal failure under larger thermal stress of described shell, the serviceable life that is conducive to flame detecting assembly and precision, is conducive to ensure described shell, be conducive to reliability of the present utility model.
Description
Technical field
The utility model relates to a kind of for supervising the safety monitoring device of flame situation, particularly relates 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.
Utility model content
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, and the utility model provides a kind of flame detection device.
For addressing the above problem, a kind of flame detection device that the utility model provides 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 comprises the sidewall that forms casing side, form the base plate of tank floor, form casing upper surface cover plate be connected respectively sidewall and base plate, two that connect sidewall and cover plate 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 utility model, 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 on the utility model, 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 utility model.
Further technical scheme is:
Installation and removal for ease of glass on the utility model, be beneficial to I& M of the present utility model, 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 utility model, 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 utility model 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 utility model, described flame detecting assembly comprises infrared eye and ultraviolet detector.
For strengthening intensity of the present utility model, 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 utility model, 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 utlity model 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 on the utility model, 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 utility model.
Brief description of the drawings
Fig. 1 is the cut-open view of a specific embodiment of a kind of flame detection device described in the utility model.
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 utility model is described in further detail, but structure of the present utility model 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 on the utility model, be beneficial to I& M of the present utility model, 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 utility model, 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 utility model 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 utility model, described flame detecting 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 utility model, 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 utility model, 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 utility model being done in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other embodiments that draw under the technical solution of the utility model, all should be included in protection domain of the present utility model.
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 detecting 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 |
|---|---|---|---|
| CN201420355424.5U CN203929222U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355424.5U CN203929222U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929222U true CN203929222U (en) | 2014-11-05 |
Family
ID=51825023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355424.5U Expired - Fee Related CN203929222U (en) | 2014-06-30 | 2014-06-30 | A kind of flame detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203929222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048753A (en) * | 2014-06-30 | 2014-09-17 | 四川天微电子有限责任公司 | Flame detection device |
-
2014
- 2014-06-30 CN CN201420355424.5U patent/CN203929222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048753A (en) * | 2014-06-30 | 2014-09-17 | 四川天微电子有限责任公司 | Flame detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104048753A (en) | Flame detection device | |
| CN203349930U (en) | Flame-proof integrated flame detector | |
| CN203929222U (en) | A kind of flame detection device | |
| CN203927994U (en) | A kind of flame detection device that ensures sealing property that is beneficial to | |
| CN203929220U (en) | A kind of flame detection device thermal stress to good conformity ability | |
| GB2408370A (en) | Device for security systems for operation of habitats on installations | |
| CN201672513U (en) | Explosion-proof gas burner | |
| CN203929224U (en) | A kind of flame detection device that is conducive to prevent thermal stress damage | |
| CN201464447U (en) | Methane sensor used for colliery | |
| CN104048751B (en) | A kind of flame detector thermal stress to good conformity ability | |
| CN209196699U (en) | A kind of mining intelligent control type LED anti-explosion lamp | |
| CN104048752A (en) | Flame detection mechanism beneficial for preventing thermal stress damage | |
| CN109538854B (en) | Automatic alarming equipotential bridging device for flange leakage | |
| CN104048315A (en) | Flame detection mechanism beneficial to guaranteeing sealing performance | |
| CN102620847A (en) | Adaptor for temperature thermocouple of vacuum induction chemical vapor deposition furnace | |
| CN201355352Y (en) | Methane sensor with air chamber micro vent hole for coal mine | |
| CN210511764U (en) | Device for protecting flame detector in gas furnace hearth | |
| CN203366166U (en) | Hot air stove fire detection and prevention device | |
| CN216868532U (en) | Air preheating control device capable of monitoring acid dew point | |
| CN216746477U (en) | Temperature monitoring and protecting system for automatic spraying line heating curing oven | |
| CN216208347U (en) | Novel gas density monitor capable of coping with complex external environment | |
| CN201909673U (en) | Protection structure for glass of sight glass in flame detector | |
| CN201935735U (en) | Infrared temperature measurement window with explosion-proof board | |
| CN207716458U (en) | Station boiler flame detector | |
| CN204757722U (en) | Local over -temperature alarm device of monitoring kiln nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150630 |
|
| EXPY | Termination of patent right or utility model |