CN206757113U - A kind of composite duct detecting optical cable - Google Patents
A kind of composite duct detecting optical cable Download PDFInfo
- Publication number
- CN206757113U CN206757113U CN201720249717.9U CN201720249717U CN206757113U CN 206757113 U CN206757113 U CN 206757113U CN 201720249717 U CN201720249717 U CN 201720249717U CN 206757113 U CN206757113 U CN 206757113U
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- optical fiber
- seamless steel
- steel pipe
- optical cable
- oversheath
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Abstract
A kind of composite duct detecting optical cable of the present utility model, include the oversheath of PE materials, the inner sheath of the not imperial material of iron is provided with the inside of oversheath, inner sheath is equipped with the seamless steel pipe formed by laser welding, temperature sensing optical fiber, vibrating sensing optical fiber and signal transmission fiber are equipped with seamless steel pipe, ointment or aramid fiber are filled between seamless steel pipe and optical fiber；Stainless steel stranded layer is provided between inner sheath and seamless steel pipe.Due to there is provided seamless steel pipe and stainless steel stranded layer, thus optical cable has higher compression strength and tensile strength, meets the construction cabling requirement of high intensity, and structure is more stable, ensures optical fiber long-term stable operation in the environment of city integrated piping lane；And the oversheath of PE materials has stronger wearability, the friction etc. in work progress often repeatedly is effectively antagonized, ensures that the internal structure of optical cable is not damaged；Optical cable is integrated with a variety of optical fiber, can realize and once connect up, the purpose of a variety of applications.
Description
Technical field
It the utility model is related to optical cable technology field, and in particular to a kind of composite duct detecting optical cable.
Background technology
City integrated piping lane is to build a tunnel space in Urban Underground, can be by electric power, communication, combustion gas, heat supply, discharge
The various utilities pipelines such as water accommodate simultaneously, implement unified planning, design, construction and management, city integrated piping lane system is not
Urban Traffic Jam Based is only advantageously accounted for, also greatly facilitates the dimension of the urban operating mechanisms such as electric power, communication, combustion gas, water supply and sewage
Shield and maintenance, meanwhile, safe operation of the city integrated piping lane for pipeline also there is certain protection against and mitigation of earthquake disasters to act on.With city
The Large scale construction of piping lane, its effect played in people's production and living is increasingly huge, and the safety problem of piping lane in itself is also got over
To be more concerned by people.
Substantial amounts of important pipeline is carried inside city integrated piping lane, once there is accident, caused loss and shadow
Sound is very huge.Environment temperature monitoring is necessary Basic monitoring in pipe gallery；Leakage current is easily sent out when power cable damages
Heat, disaster hidden-trouble be present, once fire occurs, easily sprawling is, it is necessary to carry out fire monitoring；Pipeline（Such as natural gas line）Leakage
And the convergence of biogas, blast accident and anoxic accident are easily caused, it is necessary to carry out the monitoring of methane and oxygen content.
Due to city integrated piping lane distance, layering is more, dust is more, and environment is complicated, sultry, perishable in gallery, tradition
Electronic sensor be difficult to long-term, stable operation and play a role, and the Urban Underground piping lane based on optical fiber sensing technology is comprehensive
Monitoring system is closed, the comprehensive of underground pipe gallery special pipelines, real time and on line monitoring, Realtime Alerts can be realized, it is accurate fixed
Position, fast reaction and the security ability of Urban Underground pipe gallery operational management are improved, obtains more and more extensive application.
Effective application of optical fiber sensing technology, critical component are that to have suitable sensing optic cable.Most domestic uses commonly at present
Duct optical cable is applied as sensing optic cable.Because common duct optical cable external diameter is big, structural instability, and it is used as temperature
Sensing optic cable, the response time is very slow, is unable to reach the effect of real-time early warning.
The content of the invention
Above-mentioned technical problem be present for prior art, the utility model provides a kind of inspection being used for city integrated piping lane
Survey early warning, Stability Analysis of Structures, to the fireballing composite duct detecting optical cable of sensing of temperature.
To achieve the above object, the utility model provides following technical scheme：
A kind of composite duct detecting optical cable is provided, includes the oversheath of fire-retardant PE materials, the inner side of the oversheath is set
There is the inner sheath of the not imperial material of iron, the inner sheath is equipped with the seamless steel pipe formed by laser welding, the seamless steel pipe
Optical fiber is inside equipped with, the optical fiber includes temperature sensing optical fiber, vibrating sensing optical fiber and signal transmission fiber, the seamless steel pipe
Ointment or aramid fiber are filled between the optical fiber；Stainless steel is provided between the inner sheath and the seamless steel pipe to be twisted
Layer, the stainless steel stranded layer are the steel wire that the more outer helicals around the seamless steel pipe are twisted.
Wherein, the stainless steel stranded layer includes 12 steel wires.
Wherein, the external diameter of the oversheath is 5.5 scholar 0.2mm.
The beneficial effects of the utility model：
A kind of composite duct detecting optical cable of the present utility model, include the oversheath of fire-retardant PE materials, the inner side of oversheath
The inner sheath of the not imperial material of iron is provided with, inner sheath is equipped with the seamless steel pipe formed by laser welding, worn in seamless steel pipe
Provided with optical fiber, optical fiber includes temperature sensing optical fiber, vibrating sensing optical fiber and signal transmission fiber, filled out between seamless steel pipe and optical fiber
Filled with ointment or aramid fiber；Stainless steel stranded layer is provided between inner sheath and seamless steel pipe, stainless steel stranded layer is more around nothing
Stitch the twisted steel wire of the outer helical of steel pipe.Compared with prior art, the utility model is because there is provided seamless steel pipe and stainless
Steel stranded layer, thus optical cable has higher compression strength and tensile strength, meets the construction cabling requirement of high intensity, structure ratio
It is relatively stable, ensure optical fiber long-term stable operation in the environment of city integrated piping lane；And the oversheath of PE materials is with stronger
Wearability, effectively antagonize friction in work progress often repeatedly etc., ensure that the internal structure of optical cable is not damaged；Optical cable collection
Into temperature sensing optical fiber, vibrating sensing optical fiber and signal transmission fiber, it can realize and once connect up, the purpose of a variety of applications.
Brief description of the drawings
Fig. 1 is a kind of structural representation of composite duct detecting optical cable of the present utility model.
Reference：
Oversheath 1；
Inner sheath 2；
Seamless steel pipe 3；
Stainless steel stranded layer 4；
Ointment 5；
Optical fiber 6.
Embodiment
The utility model is described in detail below in conjunction with specific embodiment and accompanying drawing.
A kind of composite duct detecting optical cable of the present embodiment, as shown in figure 1, including the oversheath 1 of fire-retardant PE materials, outer shield
The external diameter of set 1 is 5.5 scholar 0.2mm, and integral diameter is small.The inner side of oversheath 1 is provided with the inner sheath 2 of the not imperial material of iron, and iron is not
Dragon one is kind very broad to use temperature with very strong antiseptic power, excellent electric property, and with -60 DEG C ~ 200 DEG C
A kind of plastics of scope are spent, optical cable greatly strengthen the environmental suitability of optical cable, allow its complete by the use of it as inner sheath 2
It is competent at complicated pipeline environment so that optical cable adapts to the jet chimney of high temperature.Inner sheath 2 is equipped with by casting or swashing
The seamless steel pipe 3 that photocoagulation forms, optical fiber 6 is equipped with seamless steel pipe 3, and optical fiber 6 includes temperature sensing optical fiber, vibrating sensing light
Fine and signal transmission fiber, ointment 5, or filling aramid fiber are filled between seamless steel pipe 3 and optical fiber 6；Seamless steel pipe 3 can provide
Up to 10000N/10CM compression strength and more than 1000N tensile strength, it ensure that optical fiber 6 in the various environment of piping lane
Operation steady in a long-term.Steel pipe in conventional art uses in general welding technique, and welding can usually leave weld seam or the later stage holds
Easily there is slight crack, can not meet demand.Stainless steel stranded layer 4 is provided between inner sheath 2 and seamless steel pipe 3, stainless steel is twisted
Layer 4 is 12 steel wires that the more outer helicals around seamless steel pipe 3 are twisted, and the outer layer of seamless steel pipe 3 is added using stainless steel stranded layer 4
By force, a tensile property for conveniently considerably increasing optical cable, allows optical cable to be resistant to more than 2000N pulling force, meets that high intensity is applied
The requirement of work wiring.On the other hand, the buckle resistance energy of seamless steel pipe 3 is increased so that it is more that seamless steel pipe 3 can be applicable turning
Environment.During use, seamless steel pipe 3 is detected using electromagnetic eddy inspection technique technique, it is ensured that without pinprick, ne-leakage,
Internal factice for filling 5, effectively can prevent steam from invading, and ensure that optical fiber 6 is up to the service life of more than 50 years.
Compared with prior art, the utility model is due to there is provided seamless steel pipe 3 and stainless steel stranded layer 4, thus optical cable
With higher compression strength and tensile strength, meet the construction cabling requirement of high intensity, structure is more stable, ensures that optical cable exists
Long-term stable operation in the environment of city integrated piping lane；And the oversheath 1 of PE materials has stronger wearability, effectively antagonizes
Friction in work progress often repeatedly etc., ensure that the internal structure of optical cable is not damaged；Optical cable be integrated with temperature sensing optical fiber,
Vibrating sensing optical fiber and signal transmission fiber, it can realize and once connect up, the purpose of a variety of applications, wherein optical cable are overall most
Material be stainless steel（Metal）Material, as temperature sensing optic cable, its heat conductivility is significantly larger than common duct optical cable.Separately
Outside, the optical cable takes into full account the use environment in pipeline, can use a variety of system of layings, can Surface Mount, direct-burried, poling, frame appearance
Deng.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this
The spirit and scope of utility model technical scheme.
Claims (3)
1. a kind of composite duct detecting optical cable, it is characterized in that：Include the oversheath of fire-retardant PE materials, set on the inside of the oversheath
The inner sheath of the not imperial material of iron is equipped with, the inner sheath is equipped with the seamless steel pipe formed by laser welding, the seamless steel
Optical fiber is equipped with pipe, the optical fiber includes temperature sensing optical fiber, vibrating sensing optical fiber and signal transmission fiber, the seamless steel
Ointment or aramid fiber are filled between pipe and the optical fiber；Stainless steel is provided between the inner sheath and the seamless steel pipe to be twisted
Layer, the stainless steel stranded layer are the steel wire that the more outer helicals around the seamless steel pipe are twisted.
2. a kind of composite duct detecting optical cable according to claim 1, it is characterized in that：The stainless steel stranded layer includes 12
Root steel wire.
3. a kind of composite duct detecting optical cable according to claim 1, it is characterized in that：The external diameter of the oversheath is 5.5
Scholar 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249717.9U CN206757113U (en) | 2017-03-15 | 2017-03-15 | A kind of composite duct detecting optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249717.9U CN206757113U (en) | 2017-03-15 | 2017-03-15 | A kind of composite duct detecting optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757113U true CN206757113U (en) | 2017-12-15 |
Family
ID=60610116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720249717.9U Active CN206757113U (en) | 2017-03-15 | 2017-03-15 | A kind of composite duct detecting optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN206757113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082871A (en) * | 2019-04-11 | 2019-08-02 | 江苏通光海洋光电科技有限公司 | A kind of highly sensitive sensor fibre unit and its manufacturing method |
| CN110926509A (en) * | 2019-10-30 | 2020-03-27 | 中国电力科学研究院有限公司 | On-line monitoring system for synchronous temperature and vibration measurement of submarine cable |
-
2017
- 2017-03-15 CN CN201720249717.9U patent/CN206757113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082871A (en) * | 2019-04-11 | 2019-08-02 | 江苏通光海洋光电科技有限公司 | A kind of highly sensitive sensor fibre unit and its manufacturing method |
| CN110926509A (en) * | 2019-10-30 | 2020-03-27 | 中国电力科学研究院有限公司 | On-line monitoring system for synchronous temperature and vibration measurement of submarine cable |
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