CN101398183B - Flame detector probe - Google Patents
Flame detector probe Download PDFInfo
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- CN101398183B CN101398183B CN2008101807012A CN200810180701A CN101398183B CN 101398183 B CN101398183 B CN 101398183B CN 2008101807012 A CN2008101807012 A CN 2008101807012A CN 200810180701 A CN200810180701 A CN 200810180701A CN 101398183 B CN101398183 B CN 101398183B
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- photoelectric tube
- protective sleeve
- flame detector
- detector probe
- cylindrical shell
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Abstract
The invention relates to a flame detection device, in particular to a flame detector probe. The device is characterized in that a quartz glass sheet is arranged between the protection sleeve cover of a photoelectric cell and the protection sleeve of the photoelectric cell; an annular gap is arranged between the quartz glass sheet and the protection sleeve of the photoelectric cell; an axial hole is arranged on the inner edge of one end of the protection sleeve of the photoelectric cell near the protection sleeve cover of the photoelectric cell; the axial hole is communicated with the inside space of the protection sleeve of the photoelectric cell and the annular gap; a rotary outlet with a slot structure is arranged in the protection sleeve cover of the photoelectric cell. The service life of a product is improved by the design of a cooling air course and the quartz glass sheet. The parts in the invention are mostly connected in a threaded way; therefore, the flame detector probe is conveniently dismounted and simply maintained.
Description
Technical field
The present invention relates to a kind of flame detecting device, particularly relate to a kind of flame detector probe.
Background technology
Body of heater combustion monitoring probe adopts barrel mode of formula probe in the chemical industry at present.Bucket formula probe is inserted the ultraviolet ray that discharges when receiving flame combustion in the pre-designed interface, and ultraviolet ray is converted to the signal of telecommunication.
But existing product is short of to some extent for the protection of photoelectric tube, at first because the heat radiation that a large amount of fuel combustions produces in stove has caused the high temperature of probe, can influence photoelectric conversion device, makes the photoelectric conversion result instability, and can influence the life-span of photoelectric tube.Under the operating mode, probe uses in hot environment for a long time so at the scene, and photoelectric tube damages because of high temperature soon.
Secondly, when the stove fuel combustion, can produce a large amount of waste residues, smoke dust even drip on the photoelectric tube because of imperfect combustion causes fuel oil during at oil firing, clear up inconvenience very like this, if dirty very serious need the fractionation probe fully of photoelectric tube, very trouble.A variety of model probes all design the interface of oneself, dismantle loaded down with trivial details relatively.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of good cooling capacity that has be provided, can be in hot environment long service life, convenient disassembly, the simple flame detector probe of maintenance.
The present invention is achieved in that a kind of flame detector probe; it comprises anti-explosion terminal box; anti-explosion terminal box is provided with the cable connector; one end of anti-explosion terminal box is connected with the cooling air inlet tube; the other end of cooling air inlet tube is connected with branch sleeve; the other end of branch sleeve is connected with the ears flange; the other end of ears flange connects an end of the inspection cylindrical shell that catches fire; the other end of fire inspection cylindrical shell is connecting an end of photoelectric tube protective sleeve; the other end of photoelectric tube protective sleeve is provided with photoelectric tube protection upper shield; be provided with photoelectric tube and photoelectricity base in the photoelectric tube protective sleeve; photoelectric tube is installed on the photoelectricity base; the photoelectricity base is connected the end of fire inspection cylindrical shell; between photoelectric tube protection upper shield and photoelectric tube protective sleeve, be provided with quartz glass plate; has annular slot between quartz glass plate and the photoelectric tube protective sleeve; the photoelectric tube protective sleeve is provided with axial hole by the end internal edges edge of photoelectric tube protection upper shield; axial hole communicates with the inner space of photoelectric tube protective sleeve; axial hole communicates with annular slot; in photoelectric tube protection upper shield, be provided with rotary outlet into bathtub construction; the rotary outlet annular slot communicates, and is provided with another annular slot between photoelectricity base and the fire inspection cylindrical shell.
One end of above-mentioned fire inspection cylindrical shell is a flange-type structure, and the photoelectricity base is installed on the step of fire inspection inner barrel.
Above-mentioned quartz glass plate compresses to fixedly connected by photoelectric tube protection upper shield and photoelectric tube protective sleeve.Between anti-explosion terminal box and the cooling air inlet tube for being threaded.Between cooling air inlet tube and the branch sleeve for being threaded.Between fire inspection cylindrical shell and the photoelectric tube protective sleeve for being threaded.
The present invention has following remarkable advantage: (1) cooling air can be successively gone into the photoelectric tube protective sleeve by cooling air inlet tube, branch sleeve, ears flange, fire inspection cylindrical shell are laggard; again through axial hole, annular slot; rotary outlet rotation by photoelectric tube protection upper shield at last blows out; play the good cooling effect; make the serviceability temperature of photoelectric tube be significantly less than environment temperature; satisfy the needs of novel flame detector probe long-term operation in abominable furnace inner environment; be suitable for that hot environment is medium-term and long-term to be used, improved product service life.(2) by being provided with quartz glass plate, the better protection photoelectric tube has further improved product service life.(3) mostly be between each parts of the present invention and be threaded, therefore, convenient disassembly is safeguarded simple.
Description of drawings
Fig. 1 is the schematic diagram of a kind of flame detector probe of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is that the B-B of Fig. 1 is to view;
Fig. 4 is the structure chart of ears flange provided by the invention;
Among the figure: 1 anti-explosion terminal box, 2 cooling air inlet tubes, 3 ears flanges, 4 fire inspection cylindrical shells; 5 protective sleeve hold-down screws, 6 photoelectric tube protective sleeves, 7 photoelectric tubes protection upper shield, 8 quartz glass plates; 9 photoelectric tubes, 10 photoelectricity base hold-down screws, 11 photoelectricity bases; 12 photosignals connect lead, 13 air inlets, 14 cable connectors; 15 branch sleeves, 16 axial holes, 19 annular slots; 20 rotary outlets, 21 another annular slots, 22 pads.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1; a kind of flame detector probe; it comprises anti-explosion terminal box 1; anti-explosion terminal box 1 is provided with cable connector 14; one end of anti-explosion terminal box 1 and cooling air inlet tube 2 is by being threaded; the other end inboard of cooling air inlet tube 2 is provided with screw thread; by this branch sleeve 15 that is being threaded; branch sleeve 15 is connected with a side screw of ears flange 3; ears flange 3 is examined cylindrical shell 4 by being threaded with fire, and fire inspection cylindrical shell 4 is connected with an end of photoelectric tube protective sleeve 6 by protective sleeve hold-down screw 5.The outside of photoelectric tube protective sleeve 6 is by the photoelectric tube protection upper shield 7 that is threaded; photoelectric tube 9 and photoelectricity base 11 are installed in the photoelectric tube protective sleeve 6; wherein; photoelectric tube 9 is installed on the photoelectricity base 11 by contact pin; photoelectricity base 11 is connected with fire inspection cylindrical shell 4 by photoelectricity base hold-down screw 10, has another annular slot 21 between photoelectricity base 11 and the fire inspection cylindrical shell 4.One end of fire inspection cylindrical shell 4 is a flange-type structure, and photoelectricity base 11 is installed on the step of fire inspection cylindrical shell 4 inside.
Be provided with quartz glass plate 8 between photoelectric tube protection upper shield 7 and the photoelectric tube protective sleeve 6, quartz glass plate 8 compresses to fixedly connected by photoelectric tube protection upper shield 7 and photoelectric tube protective sleeve 6, for preventing to damage by pressure quartz glass plate 8, can be provided with pad 22 in its both sides.Has annular slot 19 between quartz glass plate 8 and the photoelectric tube protective sleeve 6.As shown in Figure 2, photoelectric tube protective sleeve 6 is axially arranged with 12 axial holes 16.Axial hole 16 communicates with the inner space of photoelectric tube protective sleeve 6, and axial hole 16 communicates with annular slot 19, is provided with to be bathtub construction rotary outlet 20 in photoelectric tube protection upper shield 7, and rotary outlet 20 communicates with annular slot 19.
When the present invention used, lead penetrated from anti-explosion terminal box cable connector 14, passed anti-explosion terminal box 1, cooling air inlet tube 2 successively, behind branch sleeve 15, ears flange 3, the fire inspection cylindrical shell 4, was connected with the conductor interface of photoelectricity base 11.
The cooling air that is blown into from air inlet 13 is gone into photoelectric tube protective sleeve 6 by cooling air inlet tube 2, ears flange 3, branch sleeve 15, fire inspection cylindrical shell 4 are laggard successively; photoelectric tube protective sleeve 6 be axially arranged with axial hole 16; axial hole 16 communicates with the inner space of photoelectric tube protective sleeve 6; axial hole 16 communicates with slit 19; and this rotary outlet 20 communicates with annular slot 19; therefore, cooling air is blown out by rotary outlet 20 rotations of photoelectric tube protection upper shield 7 at last.
Ears flange 3 as shown in Figure 4 is used for probe is inserted in the body of heater interface that designs, and threaded together was with fixing flame detector probe of the present invention after fixedly card vertically put down with two ends.Fire inspection cylindrical shell 4 can adopt stainless steel, can polish, and is elegant in appearance.The cable connector 14 of anti-explosion terminal box can connect the anti-explosion cable seal nipple, also the direct explosion-proof flexible hose of stube cable.
Consider that in actual applications the detection range of photoelectric tube can regulate cylindrical shell length, to meet best monitoring flame location.Existing some probe cable wiring does not possess requirement of explosion proof, particularly is dangerous place near body of heater, has buried potential safety hazard to production, and anti-explosion terminal box of the present invention is provided with anti-explosion terminal box 1, has increased security performance.In addition, content disclosed by the invention is not limited to present embodiment, can comprise other known technologies or significantly replacement.
Claims (6)
1. flame detector probe; it comprises anti-explosion terminal box (1); anti-explosion terminal box (1) is provided with cable connector (14); one end of anti-explosion terminal box (1) is connected with cooling air inlet tube (2); the other end of cooling air inlet tube (2) is connected with branch sleeve (15); the other end of branch sleeve (15) is connected with ears flange (3); the other end of ears flange (3) connects an end of the inspection cylindrical shell (4) that catches fire; the other end of fire inspection cylindrical shell (4) is connecting an end of photoelectric tube protective sleeve (6); the opposite side of photoelectric tube protective sleeve (6) is provided with photoelectric tube protection upper shield (7); be provided with photoelectric tube (9) and photoelectricity base (11) in the photoelectric tube protective sleeve (6); photoelectric tube (9) is installed on the photoelectricity base (11); photoelectricity base (11) is connected the end of fire inspection cylindrical shell (4); it is characterized in that: between photoelectric tube protection upper shield (7) and photoelectric tube protective sleeve (6), be provided with quartz glass plate (8); has annular slot (19) between quartz glass plate (8) and the photoelectric tube protective sleeve (6); photoelectric tube protective sleeve (6) is provided with axial hole (16) by the end internal edges edge of photoelectric tube protection upper shield (7); axial hole (16) communicates with the inner space of photoelectric tube protective sleeve (6); axial hole (16) communicates with annular slot (19); in photoelectric tube protection upper shield (7), be provided with rotary outlet (20) into bathtub construction; rotary outlet (20) communicates with annular slot (19), is provided with another annular slot (21) between photoelectricity base (11) and the fire inspection cylindrical shell (4).
2. a kind of flame detector probe according to claim 1 is characterized in that: described quartz glass plate (8) is fixedlyed connected with photoelectric tube protective sleeve (6), and compresses by photoelectric tube protection upper shield (7).
3. a kind of flame detector probe according to claim 1 is characterized in that: between described anti-explosion terminal box (1) and the cooling air inlet tube (2) for being threaded.
4. a kind of flame detector probe according to claim 1 and 2 is characterized in that: between described cooling air inlet tube (2) and the branch sleeve (15) for being threaded.
5. a kind of flame detector probe according to claim 1 is characterized in that: between described fire inspection cylindrical shell (4) and the photoelectric tube protective sleeve (6) for being threaded.
6. a kind of flame detector probe according to claim 1 is characterized in that: described fire inspection cylindrical shell (4) adopts stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101807012A CN101398183B (en) | 2008-11-20 | 2008-11-20 | Flame detector probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101807012A CN101398183B (en) | 2008-11-20 | 2008-11-20 | Flame detector probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101398183A CN101398183A (en) | 2009-04-01 |
| CN101398183B true CN101398183B (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101807012A Active CN101398183B (en) | 2008-11-20 | 2008-11-20 | Flame detector probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101398183B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257324B (en) * | 2009-12-30 | 2013-03-06 | 航天长征化学工程股份有限公司 | Flame detecting device |
| CN104062003B (en) * | 2014-06-30 | 2016-08-24 | 四川天微电子有限责任公司 | A kind of flame detection device being conveniently adjusted relative to the distance of test point |
| CN105444200A (en) * | 2014-08-21 | 2016-03-30 | 徐州能达燃烧控制工程有限公司 | Swinging burner flame detection probe |
| CN106838976A (en) * | 2017-03-29 | 2017-06-13 | 贵州电网有限责任公司电力科学研究院 | A kind of flame detector cooling device and method |
| CN108954371B (en) * | 2018-07-17 | 2019-12-03 | 燕山大学 | Based on the boiler combustion automatic checkout equipment for seeing burner |
| CN109654529B (en) * | 2018-12-26 | 2020-04-21 | 国网河北省电力有限公司电力科学研究院 | Furnace chamber combustion observation instrument |
| CN111397748A (en) * | 2020-04-24 | 2020-07-10 | 向文军 | Wooden package heat treatment temperature recorder |
| CN112128796B (en) * | 2020-08-25 | 2022-04-08 | 江西中船航海仪器有限公司 | Flame detector |
-
2008
- 2008-11-20 CN CN2008101807012A patent/CN101398183B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101398183A (en) | 2009-04-01 |
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Address after: 100076 South Dahongmen Road, Beijing, No. 1, Fengtai District Patentee after: Beijing Aerospace Petrochemical Technology and Equipment Engineering Corporation Address before: 100076 South Dahongmen Road, Beijing, No. 1, Fengtai District Patentee before: Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp. |