CN204044412U - A kind of optical fiber protecting equipment for micro-oil fire inspection - Google Patents
A kind of optical fiber protecting equipment for micro-oil fire inspection Download PDFInfo
- Publication number
- CN204044412U CN204044412U CN201420478517.7U CN201420478517U CN204044412U CN 204044412 U CN204044412 U CN 204044412U CN 201420478517 U CN201420478517 U CN 201420478517U CN 204044412 U CN204044412 U CN 204044412U
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- China
- Prior art keywords
- optical fiber
- connecting pipe
- straight tube
- web member
- hookup
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- 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
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Abstract
For an optical fiber protecting equipment for micro-oil fire inspection, comprising: a straight tube; Positioning piece, be inside connected to described straight tube one end inwall, shape is cylinder, and it offers one vertically for fixing the central through hole of described optical fiber front end, and, also axially offer some air vents along described through hole circumference; One elbow, one end and the described straight tube other end removably connect; One connecting pipe, one end and the described elbow other end removably connect, and described connecting pipe one middle side part offers opening; One cooling air adapter, one end is connected to described connecting pipe opening part, and is communicated with described connecting pipe; One for connecting the hookup of flame detector, and be inside provided with the passage passed for described optical fiber, described hookup one end and the described connecting pipe other end removably connect.Described device well can protect optical fiber, can accurately install again position optical fiber, have easy for installation, reliability is high, the feature such as with low cost, easy to maintenance.
Description
Technical field
The utility model relates to a kind of optical fiber protecting equipment for micro-oil fire inspection, is applicable to protect for the optical fiber of optical signal transmission in various micro-oil burner.
Background technology
Optical fiber is when gathering light beam, because a large amount of radiation heat produced when micro-oil gun runs are to the heat by conduction of optical fiber, easily cause optical fiber to come unstuck, to burn or optical fiber leads to degradation phenomenon under light rate, cause fire inspection no signal to export, and finally cause micro-oil to stop transport even boiler chaser, cause heavy losses to user.
Because the cost of optical fiber own is also higher, in actual applications, people devise various optical fiber protecting equipment, and conduit is the most frequently used one.
The design of conduit is various, some complex structures, point inner catheter, outer catheter two parts, and cost is high, installs trouble, and later maintenance is inconvenient.What have is relatively simple for structure, adopt a kind of pipeline of metal material exactly, optical fiber is directly wrapped, causes fiber orientation to be forbidden, most suitable installation site can not be placed on, affect the normal daylighting requirement of flame detection system, also likely produce erroneous judgement, on the other hand, the pipeline of this metal material effectively can not prevent dust, coking material blocking optical fiber, safeguards to get up extremely to bother.
Meanwhile, the optical fiber protecting equipment for micro-oil fire inspection is usually arranged in small space, is equipped with strict demand, the consideration of special located space and extraction space to installation position, not affecting under fiber optic conduction effect, can effectively walk around surrounding obstacles equipment.
Utility model content
For solving above-mentioned Problems existing; the purpose of this utility model is to provide a kind of optical fiber protecting equipment for micro-oil fire inspection; described device well can protect optical fiber; can accurately install optical fiber again and position, have easy for installation, reliability is high, the feature such as with low cost, easy to maintenance.
For achieving the above object, the technical solution adopted in the utility model is:
For an optical fiber protecting equipment for micro-oil fire inspection, comprising: a straight tube; Positioning piece, be inside connected to described straight tube one end inwall, shape is cylinder, and it offers one vertically for fixing the central through hole of described optical fiber front end, and, also axially offer some air vents along described through hole circumference; One elbow, one end and the described straight tube other end removably connect; One connecting pipe, one end and the described elbow other end removably connect, and described connecting pipe one middle side part offers opening; One cooling air adapter, one end is connected to described connecting pipe opening part, and is communicated with described connecting pipe; One for connecting the hookup of flame detector, and be inside provided with the passage passed for described optical fiber, described hookup one end and the described connecting pipe other end removably connect.
Further, described hookup comprises front web member and rear connectors, and shape is tubulose, and internal thread is established in described front web member front end, and is sheathed on the described connecting pipe other end; Described front web member rear end inwall circumference establishes an annular groove, and a flange arrangement is established in described rear connectors front end, is inserted in bottom described front web member annular groove, and is bolted this front web member.
Separately, before described hookup, web member and the connection of connecting pipe are for being threaded, and described connecting pipe is connected a sheathed nut outside one end with hookup, to regulate the sheathed position of described hookup on connecting pipe.
Separately have, a sheathed locating ring, a connection piece outside end, described straight tube opposing bends one end; Described web member is a body, is provided with annular groove inside one end of its corresponding described elbow; Described locating ring is sheathed on described straight tube end; Described web member is sheathed on outside described straight tube and locating ring, against locating ring side bottom the annular groove of web member, is connected in this web member annular groove, and is resisted against locating ring opposite side in described elbow.
Again, for being welded to connect between described straight tube and locating ring, described web member with between elbow for being threaded.
Further, the corresponding locating piece position of described straight tube offers at least one welding hole, described straight tube and described keeper are welded to connect.
And described straight tube external diameter is 20 ~ 34mm.
Compared with prior art, the beneficial effects of the utility model are:
1) whole device is in turn connected to form primarily of the straight tube of tubular structure, elbow, connecting pipe and hookup, and optical fiber wears wherein, effectively can realize the protection to optical fiber;
2) elbow is set, when conduit extraction space limit, can change the installation site of optical fiber and probe, make flame detecting probe can walk around the stop of field apparatus; Meanwhile, elbow coordinates with web member, elbow can be made around keeper 360 ° rotation, strengthen Installation Flexibility and the site environment adaptability of described device;
3) keeper is set, by the through hole fixed fiber front end offered in the middle part of it, accurate location can be realized;
4) cooling air adapter, accessible cooling air system, effectively prevents dust stratification in described protective device, slagging prevention thing blocks described device affect optical fiber daylighting, effectively raising fiber optic conduction effect;
5) air vent offered by keeper, realize the cooling protection to optical fiber by cooling air, prevent optical fiber overheated and damage;
6) between straight tube and elbow, between elbow and connecting pipe and between connecting pipe and hookup for removably connecting, whole device installation and removal are convenient, are suitable for the operation of outside small space;
7) connecting pipe is relative to nut sheathed outside the end of hookup, by the installation site of web member on connecting pipe before nut adjustment hookup, after flame detecting probe installed by unitor, adjustable internal optical fiber is to the distance of probe photo-sensitive cell, and what effectively raise flame detecting probe sees the fiery visual field;
8) described straight tube external diameter only has 20 ~ 34mm, has optical fiber protective tube thin than conventional micro-oil fire inspection, is more suitable for being installed on being suitable in the micro-oily oil gun air duct of small space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the optical fiber protecting equipment for micro-oil fire inspection provided by the utility model.
Fig. 2 is the structural representation of keeper in the utility model.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the structural representation of straight tube in the utility model.
Fig. 5 is the structural representation of hookup in the utility model.
Fig. 6 is front elevation and the phantom view of Fig. 5.
Embodiment
See Fig. 1 ~ Fig. 6, a kind of optical fiber protecting equipment for micro-oil fire inspection described in the utility model, comprising: a straight tube 1; Positioning piece 2, be inside connected to described straight tube 1 one end inwall, shape is cylinder, it offers one (not shown for fixing described optical fiber vertically, lower with) central through hole 21 of front end, and, also axially offer some air vents 22 along described through hole 21 circumference; One elbow 3, one end and described straight tube 1 other end removably connect; One connecting pipe 4, one end and described elbow 3 other end removably connect, and described connecting pipe 4 one middle side part offers opening 41; One cooling air adapter 5, one end is connected to described connecting pipe 4 opening 41 place, and is communicated with described connecting pipe 4; One for connecting the hookup 6 of flame detector, and be inside provided with the passage (not shown, lower same) passed for described optical fiber, described hookup 6 one end and described connecting pipe 4 other end removably connect.
Further, described hookup 6 comprises front web member 61 and rear connectors 62, and shape is tubulose, and internal thread is established in described front web member 61 front end, and is sheathed on described connecting pipe 4 other end; Described front web member 61 rear end inwall circumference establishes an annular groove 611, and a flange arrangement 621 is established in described rear connectors 62 front end, is inserted in bottom described front web member 61 annular groove 611, and connects this front web member 61 by bolt 63.
Separately, before described hookup 6, web member 61 and the connection of connecting pipe 4 are for being threaded, and described connecting pipe 4 is connected a sheathed nut 7 outside one end with hookup 6, to regulate the sheathed position of described hookup 6 on connecting pipe 4.
Separately have, a sheathed locating ring 8, a connection piece 9 outside end, described straight tube 1 opposing bends 3 one end; Described web member 9 is a body, is provided with annular groove 91 inside one end of its corresponding described elbow 3; Described locating ring 8 is sheathed on described straight tube 1 end; Described web member 9 is sheathed on outside described straight tube 1 and locating ring 8, against locating ring 8 side bottom the annular groove 91 of web member 9, is connected in this web member 9 annular groove 91, and is resisted against locating ring 8 opposite side in described elbow 3.
Again, for being welded to connect between described straight tube 1 and locating ring 8, described web member 9 with between elbow 3 for being threaded.
Further, described straight tube 1 corresponding keeper 2 position offers at least one welding hole 11, described straight tube 1 is welded to connect with described keeper 2.
And described straight tube 1 external diameter is 20 ~ 34mm.
Optical fiber protecting equipment use-pattern for micro-oil fire inspection provided by the utility model is as follows:
Optical fiber front end is inserted the passage in hookup 6 from rear connectors 62, described optical fiber is successively through connecting pipe 4, straight tube 1 is entered after elbow 3, until the front end of optical fiber is through the through hole 21 of keeper 2, (not shown by the elongated insertion part on optical fiber, lower same) block, complete and location is installed, simultaneously, by the position of setting nut 7 on connecting pipe 4, and then regulate the sheathed position of web member 61 on connecting pipe 4 before described hookup 6, it is (not shown that unitor 6 is installed on flame detecting probe by rear connectors 62, lower same) after, by the front position of web member 61 on connecting pipe 4, regulate the sheathed position of hookup 6 on connecting pipe 4, and then regulate internal optical fiber to the distance of probe photo-sensitive cell, what effectively raise flame detecting probe sees the fiery visual field.
During rig-site utilization; the straight tube 1 that optical fiber is housed is put into micro-oil gun air duct; accessed from cooling air adapter 5 by cooling air, multi-form flame detecting probe is threaded connection on the rear connectors 62 of hookup 6, thus realizes cooling protection and the light signal collection function of optical fiber.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted.Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical scheme of utility model or equivalent replacement, and not departing from the scope of technical solutions of the utility model, it all should be encompassed in right of the present utility model.
Claims (7)
1., for an optical fiber protecting equipment for micro-oil fire inspection, it is characterized in that, comprising:
One straight tube;
Positioning piece, be inside connected to described straight tube one end inwall, shape is cylinder, and it offers one vertically for fixing the central through hole of described optical fiber front end, and, also axially offer some air vents along described through hole circumference;
One elbow, one end and the described straight tube other end removably connect;
One connecting pipe, one end and the described elbow other end removably connect, and described connecting pipe one middle side part offers opening;
One cooling air adapter, one end is connected to described connecting pipe opening part, and is communicated with described connecting pipe;
One for connecting the hookup of flame detector, and be inside provided with the passage passed for described optical fiber, described hookup one end and the described connecting pipe other end removably connect.
2. optical fiber protecting equipment according to claim 1, is characterized in that, described hookup comprises front web member and rear connectors, and shape is tubulose, and internal thread is established in described front web member front end, and is sheathed on the described connecting pipe other end; Described front web member rear end inwall circumference establishes an annular groove, and a flange arrangement is established in described rear connectors front end, is inserted in bottom described front web member annular groove, and is bolted this front web member.
3. optical fiber protecting equipment according to claim 2; it is characterized in that; before described hookup, web member and the connection of connecting pipe are for being threaded, and described connecting pipe is connected a sheathed nut outside one end with hookup, to regulate the sheathed position of described hookup on connecting pipe.
4. optical fiber protecting equipment according to claim 1, is characterized in that, a sheathed locating ring, a connection piece outside end, described straight tube opposing bends one end; Described web member is a body, is provided with annular groove inside one end of its corresponding described elbow; Described locating ring is sheathed on described straight tube end; Described web member is sheathed on outside described straight tube and locating ring, against locating ring side bottom the annular groove of web member, is connected in this web member annular groove, and is resisted against locating ring opposite side in described elbow.
5. optical fiber protecting equipment according to claim 4, is characterized in that, for being welded to connect between described straight tube and locating ring, described web member with between elbow for being threaded.
6. optical fiber protecting equipment according to claim 1, is characterized in that, the corresponding locating piece position of described straight tube offers at least one welding hole, and described straight tube and described keeper are welded to connect.
7. the optical fiber protecting equipment according to claim 1,5 or 6, is characterized in that, described straight tube external diameter is 20 ~ 34mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478517.7U CN204044412U (en) | 2014-08-22 | 2014-08-22 | A kind of optical fiber protecting equipment for micro-oil fire inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478517.7U CN204044412U (en) | 2014-08-22 | 2014-08-22 | A kind of optical fiber protecting equipment for micro-oil fire inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044412U true CN204044412U (en) | 2014-12-24 |
Family
ID=52245062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478517.7U Expired - Fee Related CN204044412U (en) | 2014-08-22 | 2014-08-22 | A kind of optical fiber protecting equipment for micro-oil fire inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044412U (en) |
-
2014
- 2014-08-22 CN CN201420478517.7U patent/CN204044412U/en not_active Expired - Fee Related
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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: 20141224 Termination date: 20200822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |