CN207586498U - A kind of heat distribution pipeline monitors sensing optic cable - Google Patents
A kind of heat distribution pipeline monitors sensing optic cable Download PDFInfo
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- CN207586498U CN207586498U CN201721798637.5U CN201721798637U CN207586498U CN 207586498 U CN207586498 U CN 207586498U CN 201721798637 U CN201721798637 U CN 201721798637U CN 207586498 U CN207586498 U CN 207586498U
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- stainless steel
- steel wire
- optic cable
- sensing optic
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Abstract
The utility model discloses a kind of heat distribution pipelines to monitor sensing optic cable, including fiber unit and stainless steel wire armor, the fiber unit includes optical fiber and stainless steel tube, the optical fiber outer cladding stainless steel tube, filled with the filler that blocks water in the stainless steel tube, twisted stainless steel wire armor, the stainless steel wire armor are formed by more corrosion resistant thin round stainless steel wire spiral closing lays outside the stainless steel tube.The cable outer diameter smaller, production efficiency higher, cost is lower, is resistant to long term high temperature, adaptation operating temperature range is wider, is easy to construct, bend resistance, and stretching resistance and compressive resistance are stronger, and service life is longer.
Description
Technical field
The utility model is related to sensing optic cable technical field, specifically a kind of heat distribution pipeline monitors sensing optic cable.
Background technology
With the development of Fibre Optical Communication Technology and sensing technology, optical fiber distributed satellite systems, perimeter protection, stress,
The application in strain measurement field is more and more common.Heat distribution pipeline monitor field, using the phase interference of optical fiber, Rayleigh scattering,
The principles such as Brillouin scattering or Raman scattering effect arrange optical fiber along heat distribution pipeline, by measuring the temperature along pipeline everywhere
Degree and situation of change, monitoring pipeline in time has the position of No leakage and leakage point；Pass through the vibration feelings of optical fiber surrounding along measurement
Condition, it can be determined that tube circumference has the invasion of nobody or foreign object, and monitors the position of invasion, prevent foreign object to the damage of pipeline or
It steals, realizes the protection of pipeline perimeter security；Optical fiber also has the function of to communicate simultaneously, can realize each website of pipeline or equipment it
Between telecommunication.Typically more common sensing optic cable is using tight tube fiber structure, spiral winding packet steel-tape armouring, plastics
Oversheath optical cable or the stainless steel tube fiber unit for directly using internal factice for filling.
In heat distribution pipeline monitoring system, there is the defects of its is notable using the optical cable of above two common structure, seriously
Influence construction, safe operation and the service life of monitoring system.Using tight tube fiber structure, spiral winding packet steel-tape armouring, plastics
During oversheath optical cable, since the heat distribution pipeline operation duration phase is in the condition of high temperature, the aging of nonmetallic materials in optical cable can be accelerated,
Influence the service life of optical cable；In addition, when heat distribution pipeline operation and inoperative, the variation of ambient temperature range residing for sensing optic cable
Larger, using tight tube fiber structure, in very high temperature and extremely low temperature, the additional attenuation of optical fiber is larger, influences long distance monitoring system
The optical signal transmission quality of system.During using the stainless steel tube optical unit of internal factice for filling as sensing optic cable, due to stainless steel
Pipe is thinner, and tube wall is relatively thin, and work progress easily causes steel pipe to be bent, and causes fibercuts.
Utility model content
To solve the above problems, the utility model provides a kind of heat distribution pipeline monitoring sensing optic cable, long term high temperature is resistant to, is fitted
It answers operating temperature range wider, is easy to construct, bend resistance, and stretching resistance and compressive resistance are stronger, service life is longer.
The technical solution adopted in the utility model is：A kind of heat distribution pipeline monitors sensing optic cable, including fiber unit and not
Rust steel wire armor layer, the fiber unit include optical fiber and stainless steel tube, the optical fiber outer cladding stainless steel tube, the stainless steel
It is twisted stainless steel wire armor outside filled with the filler that blocks water, the stainless steel tube in pipe, the stainless steel wire armor is by more
The corrosion resistant thin round stainless steel wire spiral closing lay of root forms.
The fiber unit is located at center, and twisted stainless steel wire armor forms central tubular sense light outside fiber unit
Cable.
The center of the sensing optic cable is a stainless steel wire, this root stainless steel wire is outer by fiber unit and stainless steel wire group
Into stranded layer, the stranded layer is externally provided with stainless steel wire armor so as to form layer-twisted type sensing optic cable.
According to application environment and system of laying, the stainless steel wire armor is externally provided with the nonmetallic shield of different temperature resistant grades
Set.
The optical fiber is 1 core or multi-core optical fiber, and fiber number carries out true according to the requirement for sensing and communicating in monitoring system
Fixed, different optical fiber are distinguished using different surface colors.
The stainless steel tube is using 304 stainless steels or 316L or 825 stainless steel materials, according to stainless steel tube inner fiber core number
Difference, the diameter range of stainless steel tube is 1.6mm ~ 3.0mm.
The filler that blocks water is fiber paste or water blocking yarn or water-proofing powder.
The stainless steel wire armor uses 304 stainless steels or 316L or 825 not according to the requirement of the corrosivity of use environment
Become rusty Steel material, 0.3 ~ 2.5mm of diameter range of stainless steel wire.
The beneficial effects of the utility model are：1st, using all-metal construction, there is better long-term high temperature resistance, make light
Cable has longer service life.2nd, optical cable components have better heat conductivility using all-metal construction, can improve sensing
The temperature survey response speed of optical cable.3rd, light unit uses loose tube structure, sets rational excess fiber length, makes optical cable in work temperature
There is preferable transmission characteristic in the range of degree.4th, optical cable cladding material is stainless steel wire armor, has optical cable preferably anti-
Draw performance.5th, stainless steel tube and stainless steel wire armor use the stainless steel material of highly corrosion resistant, have optical cable stronger resistance to
Corrosivity and better environmental suitability.6th, long term high temperature is resistant to, adaptation operating temperature range is wider, is easy to construct, bend resistance,
And stretching resistance and compressive resistance are stronger, service life is longer.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment 1；
Fig. 2 is the structure diagram of the utility model embodiment 2；
Fig. 3 is the structure diagram of the utility model embodiment 3；
Fig. 4 is the structure diagram of the utility model embodiment 4；
Wherein：1st, optical fiber, 2, block water filler, 3, stainless steel tube, 4, stainless steel wire, 5, non metallic sheath.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further
It is described in detail, which is only used for explaining the utility model, does not form the restriction to the scope of protection of the utility model.
Embodiment 1
As shown in Figure 1, a kind of heat distribution pipeline monitoring sensing optic cable, including stainless steel tube loose tube fiber unit and stainless steel wire
Armor, stainless steel tube loose tube fiber unit include optical fiber 1 and highly corrosion resistant stainless steel tube 3, and optical fiber outer cladding highly corrosion resistant is not
Become rusty steel pipe 3, is located at sensing optic cable filled with the filler 2 that blocks water, stainless steel tube loose tube fiber unit in highly corrosion resistant stainless steel tube 3
Center, be that highly corrosion resistant stainless steel wire 4 is twisted into not outside the highly corrosion resistant stainless steel tube 3 of stainless steel tube loose tube fiber unit
Steel wire armor layer of becoming rusty is so as to form central tubular sensing optic cable, and highly corrosion resistant stainless steel wire armor is by more corrosion resistant thin circles
Stainless steel wire spiral closing lay forms, tensile strength and significantly larger than metal knitted to the protective effect of internal light unit
Layer.Highly corrosion resistant stainless steel wire armor is stainless using 304 stainless steels or 316L or 825 according to the requirement of the corrosivity of use environment
Steel material, 0.3 ~ 2.5mm of diameter range of stainless steel wire.
Optical fiber is 1 core or multi-core optical fiber, and fiber number is determined according to the requirement for sensing and communicating in monitoring system, no
It is distinguished with optical fiber using different surface colors.The temperature resistant grade of optical fiber can be required according to the temperature-measuring range of system under test (SUT)
Select the optical fiber of different temperature resistant grades.
Highly corrosion resistant stainless steel tube is made of corrosion resistant stainless steel material, can be required according to the corrosivity of use environment
Using 304 stainless steels or 316L or 825 stainless steel materials, according to the difference of stainless steel tube inner fiber core number, stainless steel tube it is straight
Diameter ranging from 1.6mm ~ 3.0mm.
The filler that blocks water is fiber paste or water blocking yarn or water-proofing powder.In optical fiber, highly corrosion resistant stainless steel tube and stainless steel tube
The filler that blocks water forms fiber unit.The tension situation born according to the temperature range of use environment and optical cable, in fiber unit
Fiber design have reasonable excess fiber length.In addition, highly corrosion resistant stainless steel tube is welded stainless steel pipe, good airproof performance, and steel pipe
The filler that blocks water is filled in inside, and water, moisture is effectively prevent to penetrate into steel duct and optical fiber contact, reduces the wind that optical fiber is done harm to by hydrogen loss
The service life of optical fiber is improved in danger.
Embodiment 2
As shown in Fig. 2, as different from Example 1, according to application environment and system of laying, by more corrosion resistant thin circles
The stainless steel wire armor that 4 spiral closing lay of stainless steel wire forms is externally provided with the non metallic sheath 5 of different temperature resistant grades, to carry
For additional protection, wear-resisting, the corrosion resistance of optical cable are improved.
Embodiment 3
As shown in figure 3, a kind of heat distribution pipeline monitoring sensing optic cable, including stainless steel tube loose tube fiber unit and stainless steel wire
Armor, stainless steel tube loose tube fiber unit include optical fiber 1 and highly corrosion resistant stainless steel tube 3, and optical fiber outer cladding highly corrosion resistant is not
Become rusty steel pipe 3, and filled with the filler 2 that blocks water in highly corrosion resistant stainless steel tube 3, the center of sensing optic cable is a stainless steel wire 4, this
Root stainless steel wire is outer to form stranded layer by a stainless steel tube loose tube fiber unit and Duo Gen stainless steel wires, stranded layer be externally provided with by
The stainless steel wire armor that more corrosion resistant thin round 4 spiral closing lays of stainless steel wire form is so as to form layer-twisted type sense light
Cable.Highly corrosion resistant stainless steel wire armor is formed by more corrosion resistant thin round 4 spiral closing lays of stainless steel wire, and tension is strong
It spends and wire sheathing is significantly larger than to the protective effect of internal light unit.Highly corrosion resistant stainless steel wire armor is according to using ring
The corrosivity requirement in border is using 304 stainless steels or 316L or 825 stainless steel materials, 0.3 ~ 2.5mm of diameter range of stainless steel wire.
Optical fiber is 1 core or multi-core optical fiber, and fiber number is determined according to the requirement for sensing and communicating in monitoring system, no
It is distinguished with optical fiber using different surface colors.The temperature resistant grade of optical fiber can be required according to the temperature-measuring range of system under test (SUT)
Select the optical fiber of different temperature resistant grades.
Highly corrosion resistant stainless steel tube is made of corrosion resistant stainless steel material, can be required according to the corrosivity of use environment
Using 304 stainless steels or 316L or 825 stainless steel materials, according to the difference of stainless steel tube inner fiber core number, stainless steel tube it is straight
Diameter ranging from 1.6mm ~ 3.0mm.
The filler that blocks water is fiber paste or water blocking yarn or water-proofing powder.In optical fiber, highly corrosion resistant stainless steel tube and stainless steel tube
The filler that blocks water forms fiber unit.The tension situation born according to the temperature range of use environment and optical cable, in fiber unit
Fiber design have reasonable excess fiber length.In addition, highly corrosion resistant stainless steel tube is welded stainless steel pipe, good airproof performance, and steel pipe
The filler that blocks water is filled in inside, and water, moisture is effectively prevent to penetrate into steel duct and optical fiber contact, reduces the wind that optical fiber is done harm to by hydrogen loss
The service life of optical fiber is improved in danger.
Embodiment 4
As shown in figure 4, as different from Example 3, according to application environment and system of laying, by more corrosion resistant thin circles
The stainless steel wire armor that 4 spiral closing lay of stainless steel wire forms is externally provided with the non metallic sheath 5 of different temperature resistant grades, to carry
For additional protection, wear-resisting, the corrosion resistance of optical cable are improved.
The utility model optical cable belongs to distributed temperature, vibrating sensing and optical cable for communication, for distributed satellite systems,
Vibrating sensing and fiber optic communication；The tube leaks such as heat distribution pipeline, oil-gas pipeline, chemical pipeline are can be applied to monitor, is antitheft
Safety monitoring, information communication and perimeter defense system.There is no the materials such as aramid fiber, plastic sheath in cable configuration, outside fiber unit
Portion is all-metal construction, and thermal conductivity is good, when being monitored for temperature sensing, high sensitivity；In the identical situation of cable machinery performance
Under, this infrastructure product outer diameter can be with smaller, production efficiency higher, and cost is lower.Long term high temperature is resistant to, adapts to operating temperature range
It is wider, it is easy to construct, bend resistance, and stretching resistance and compressive resistance are stronger, service life is longer.
Claims (8)
1. a kind of heat distribution pipeline monitors sensing optic cable, which is characterized in that including fiber unit and stainless steel wire armor, the light
Fine unit includes optical fiber and stainless steel tube, and the optical fiber outer cladding stainless steel tube, the stainless steel tube is interior to be filled with the filling that blocks water
Object, twisted stainless steel wire armor, the stainless steel wire armor are corrosion resistant carefully round stainless by more outside for the stainless steel tube
Steel wire spiral closing lay forms.
2. a kind of heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that the fiber unit is located at
Center, twisted stainless steel wire armor forms central tubular sensing optic cable to fiber unit outside.
3. a kind of heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that in the sensing optic cable
The heart is a stainless steel wire, this root stainless steel wire is outer to form stranded layer, the stranded layer peripheral hardware by fiber unit and stainless steel wire
There is stainless steel wire armor so as to form layer-twisted type sensing optic cable.
4. a kind of heat distribution pipeline monitoring sensing optic cable according to Claims 2 or 3, which is characterized in that according to application environment
And system of laying, the stainless steel wire armor are externally provided with the non metallic sheath of different temperature resistant grades.
5. a kind of heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that the optical fiber for 1 core or
Multi-core optical fiber, fiber number are determined according to the requirement for sensing and communicating in monitoring system, and different optical fiber use different tables
Face color distinguishes.
6. a kind of heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that the stainless steel tube uses
304 stainless steels or 316L or 825 stainless steel materials, according to the difference of stainless steel tube inner fiber core number, the diameter model of stainless steel tube
It encloses for 1.6mm ~ 3.0mm.
7. a kind of heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that the filler that blocks water is
Fiber paste or water blocking yarn or water-proofing powder.
A kind of 8. heat distribution pipeline monitoring sensing optic cable according to claim 1, which is characterized in that the stainless steel wire armouring
Layer is according to the requirement of the corrosivity of use environment using 304 stainless steels or 316L or 825 stainless steel materials, the diameter model of stainless steel wire
Enclose 0.3 ~ 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721798637.5U CN207586498U (en) | 2017-12-21 | 2017-12-21 | A kind of heat distribution pipeline monitors sensing optic cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798637.5U CN207586498U (en) | 2017-12-21 | 2017-12-21 | A kind of heat distribution pipeline monitors sensing optic cable |
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| CN207586498U true CN207586498U (en) | 2018-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861211A (en) * | 2017-12-21 | 2018-03-30 | 江苏中天科技股份有限公司 | A kind of heat distribution pipeline monitors sensing optic cable |
| CN110749538A (en) * | 2019-10-30 | 2020-02-04 | 武汉理工大学 | Multi-core fiber grating metal corrosion sensing monitoring method and device |
| CN109442561B (en) * | 2018-10-24 | 2020-10-20 | 北京航天控制仪器研究所 | Distributed leakage monitoring system for heating power pipeline |
-
2017
- 2017-12-21 CN CN201721798637.5U patent/CN207586498U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861211A (en) * | 2017-12-21 | 2018-03-30 | 江苏中天科技股份有限公司 | A kind of heat distribution pipeline monitors sensing optic cable |
| CN109442561B (en) * | 2018-10-24 | 2020-10-20 | 北京航天控制仪器研究所 | Distributed leakage monitoring system for heating power pipeline |
| CN110749538A (en) * | 2019-10-30 | 2020-02-04 | 武汉理工大学 | Multi-core fiber grating metal corrosion sensing monitoring method and device |
| CN110749538B (en) * | 2019-10-30 | 2022-06-17 | 武汉理工大学 | Multi-core fiber grating metal corrosion sensing monitoring method and device |
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