CN207279151U - A kind of energy supply pipeline with temperature sensing optical fiber - Google Patents
A kind of energy supply pipeline with temperature sensing optical fiber Download PDFInfo
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- CN207279151U CN207279151U CN201721203793.2U CN201721203793U CN207279151U CN 207279151 U CN207279151 U CN 207279151U CN 201721203793 U CN201721203793 U CN 201721203793U CN 207279151 U CN207279151 U CN 207279151U
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- Prior art keywords
- optical fiber
- insulating layer
- temperature sensing
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- sensing optical
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Abstract
The utility model discloses a kind of energy supply pipeline with temperature sensing optical fiber, including inner tube, insulating layer, outer tube, two optical fiber protective tubes and two temperature sensing optical fibers, said inner tube, insulating layer and outer tube sequentially coaxially to be set from the inside to the outside；Two optical fiber protective tubes are respectively along the outer surface for being axially disposed within the insulating layer of the insulating layer, the symmetrical distribution of two optical fiber protective tubes；And on the cross section of the insulating layer, wherein the sharp angle between line between the center at the center and insulating layer of line between the center of optical fiber protective tube and the center of insulating layer and another optical fiber protective tube is less than 160 degree；Two temperature sensing optical fibers are interspersed in two optical fiber protective tubes correspondingly.The energy supply pipeline with temperature sensing optical fiber of the utility model, temperature sensing optical fiber is effectively combined with traditional energy supply pipeline together with, with the thermometric performance of temperature sensing optical fiber, it is possible to achieve pipe leakage judges and positioning.
Description
Technical field
It the utility model is related to a kind of energy supply pipeline with temperature sensing optical fiber.
Background technology
At present, the technology such as water source heat pump system, energy recovery and accumulation of energy of avoiding the peak hour is applied in some business districts, using centralization
District cooling and heating pattern, substitutes the freestanding central air conditioner system solution of traditional architecture, realizes intensive, efficient and section
The purpose of energy.
Energy pipeline is directly embedded at 3~5 meters of below ground, is vulnerable to ground external force, soil body sedimentation, pipeline and welding matter
The factors such as amount, burn into temperature stress influence, and produce leakage.Its outer layer is wrapped up by waterproof and insulating layer, causes searching leak source to be stranded
Difficulty, maintenance time are long, costly.Leak reduces the thermal insulation properties of pipe network insulating layer, while is lost in the energy of pipe network system；Add
Fast corrosive pipeline；The soil erosion of initiation and road surface collapse, and produce the City Disasters such as traffic injury accident, energy supply interruption.
Distributed optical fiber temperature measurement technology is anti-based on Effect of Optical Fiber Raman Scatter (Raman Scattering) and optical time domain
E measurement technology (Optical Time-Domain Reflectometry) is penetrated to obtain spatial temperature distribution information.By in pipe
Road surface be laid with temperature sensing optical fiber, collection and analysis light pulse propagated in temperature sensing optical fiber caused by Raman back-reflection light when
Between and strength information obtain corresponding position and temperature information, after the temperature and positional information of every bit is learnt, so that it may with
To a temperature curve on whole optical fiber diverse location.For measurement distance up to 30 kilometers, space orientation reaches the quantity of rice
Level, can carry out continual automatic measurement, particularly suitable for needing multimetering application scenario a wide range of over long distances.
At present the technology in tunnel, oil depot, dangerous cargo warehouse, arsenal, industrial and mining enterprises workshop temperature detection
It is widely used with the cable of fire alarm alarm system and electric power overload temperature monitoring.Distributed optical fiber temperature measurement technology there is no
The precedent put into practice in energy pipe network.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of energy supply pipeline with temperature sensing optical fiber,
Together with temperature sensing optical fiber is effectively combined with traditional energy supply pipeline, with the thermometric performance of temperature sensing optical fiber, it is possible to achieve pipe
Road leakage judges and positioning.
Realizing the technical solution of above-mentioned purpose is：A kind of energy supply pipeline with temperature sensing optical fiber, including inner tube, insulating layer,
Outer tube, two optical fiber protective tubes and two temperature sensing optical fibers, wherein：
Said inner tube, insulating layer and outer tube are sequentially coaxially set from the inside to the outside；
Two optical fiber protective tubes are described respectively along the outer surface for being axially disposed within the insulating layer of the insulating layer
Two symmetrical distributions of optical fiber protective tube, and on the cross section of the insulating layer, wherein optical fiber protective tube
Between the center at the center and insulating layer of line between center and the center of insulating layer and another optical fiber protective tube
Sharp angle between line is less than 160 degree；
Two temperature sensing optical fibers are interspersed in two optical fiber protective tubes correspondingly.
A kind of above-mentioned energy supply pipeline with temperature sensing optical fiber, wherein, along the insulation on the outer surface of the insulating layer
The axial direction of layer offers two through holes, and two optical fiber protective tubes are interspersed in described two through holes correspondingly.
A kind of above-mentioned energy supply pipeline with temperature sensing optical fiber, wherein, two optical fiber protective tubes and the insulating layer
Integral cast molding.
A kind of above-mentioned energy supply pipeline with temperature sensing optical fiber, wherein, the optical fiber protective tube uses zinc-plated protection pipe.
A kind of above-mentioned energy supply pipeline with temperature sensing optical fiber, wherein, on the cross section of the insulating layer, wherein an institute
State center and the insulation of line between the center of optical fiber protective tube and the center of insulating layer and another optical fiber protective tube
The sharp angle between line between the center of layer is 120 degree.
The energy supply pipeline with temperature sensing optical fiber of the utility model, temperature sensing optical fiber and traditional energy supply pipeline are effectively tied
It is combined, with the thermometric performance of temperature sensing optical fiber, it is possible to achieve pipe leakage judges and positioning.
Brief description of the drawings
Fig. 1 is the structure diagram (main view direction) of the energy supply pipeline with temperature sensing optical fiber of the utility model；
Fig. 2 is the structure diagram (rear apparent direction) of the energy supply pipeline with temperature sensing optical fiber of the utility model；
Fig. 3 is the cross-sectional view of the energy supply pipeline with temperature sensing optical fiber of the utility model.
Embodiment
In order to make those skilled in the art be better understood when the technical solution of the utility model, with reference to attached
Its embodiment is described in detail in figure：
Please refer to Fig.1, Fig. 2 and Fig. 3, the most preferred embodiment of the utility model, a kind of energy supply pipeline with temperature sensing optical fiber,
Including inner tube 1, insulating layer 2,3, two optical fiber protective tubes 4 of outer tube and two temperature sensing optical fibers 5.
Inner tube 1, insulating layer 2 and outer tube 3 are sequentially coaxially set from the inside to the outside；Two optical fiber protective tubes 4 are respectively along insulating layer 2
The outer surface for being axially disposed within insulating layer 2, specifically, two are offered along the axial direction of insulating layer 3 on the outer surface of insulating layer 2
Through hole, two optical fiber protective tubes 4 are interspersed in two through holes correspondingly.And two optical fiber protective tubes 4 and the one of insulating layer 2
Cast molding.Optical fiber protective tube 4 uses zinc-plated protection pipe.
Two 4 symmetrical distributions of optical fiber protective tube, and on the cross section of insulating layer 2, wherein an optical fiber protective tube 4
Center and insulating layer 2 center between line a and the center of another optical fiber protective tube 4 and the center of insulating layer 2 between
Line b between sharp angle α be less than 160 degree；Two temperature sensing optical fibers 5 are interspersed in two optical fiber protective tubes 4 correspondingly.
Wrapped up outside traditional energy conduit by waterproof and heat-barrier material, regardless of leaking happening part and mode, water
Will be due to gravity toward liquid level rising again after the movement below pipeline, initiation temperature field produces change, therefore temperature sensing optical fiber preferably exists
Lay the middle lower section of pipeline both sides.It is therefore preferable that the company between the center of wherein one optical fiber protective tube and the center of insulating layer
The sharp angle α between line b between the center at the center and insulating layer of line a and another optical fiber protective tube is 120 degree, so
Two temperature sensing optical fibers 5 are laid along the eight and four direction of the cross section of insulating layer 2 correspondingly.
In monitoring, temperature sensing optical fiber 5 is little to the thermometric amplitude of variation and speed response of the seepage in underground of jacket exterior, but
Amplitude of variation and speed height to the internal pressure energy leak for energizing pipeline.Main cause is daily soil environment temperature interference
It is different from the interference characteristic of pipe network energy leakage.Soil environment temperature is slowly varying, is consistent with weather information, and
Change while being global whole conduit region；And energy leakage is just the opposite.Temperature sensing optical fiber 5 can be attached to energy supply pipeline
The inner surface laying of the outer tube i.e. outer surface laying of the insulating layer of energy supply pipeline, it is similar to underground environment temperature；Oozed outside generation
During leakage, underground water is to extravasate into insulating layer by pipeline extroversion, and the temperature for just starting optical fiber has almost no change, and the later stage causes to protect
Warm layer insulating capacity declines, and the region triggered the temperature of optical fiber and occurred is slowly varying；And when pipeline internal leakage occurs, situation
Then on the contrary, being swift in response.
The energy supply pipeline with temperature sensing optical fiber of the utility model, when mounted, the edge inside the insulating layer of energy supply pipeline
A zinc-plated protection pipe is respectively laid with four of the cross section of insulating layer and eight position, then by temperature sensing optical fiber along zinc-plated
Protection pipe penetrates, and temperature sensing optical fiber is layed in inside whole energy supply pipeline.When in use, when leakage infiltration occurs for pipeline,
The energy of water in pipeline can be transmitted on temperature sensing optical fiber, we background monitoring center can Real Time Observation at leakage point
Temperature and change, then measure by optical time domain reflection technology the physical location of leakage point, can realize pipe leakage judge and
Positioning.
In conclusion the energy supply pipeline with temperature sensing optical fiber of the utility model, by temperature sensing optical fiber and traditional energy supply pipe
Road is effectively combined together, with the thermometric performance of temperature sensing optical fiber, it is possible to achieve pipe leakage judges and positioning.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Change, the modification of embodiment will all fall in the Claims scope of the utility model.
Claims (5)
1. a kind of energy supply pipeline with temperature sensing optical fiber, it is characterised in that including inner tube, insulating layer, outer tube, two fiber optic protections
Pipe and two temperature sensing optical fibers, wherein：
Said inner tube, insulating layer and outer tube are sequentially coaxially set from the inside to the outside；
Two optical fiber protective tubes are respectively along the outer surface for being axially disposed within the insulating layer of the insulating layer, described two
The symmetrical distribution of optical fiber protective tube；And on the cross section of the insulating layer, wherein the center of an optical fiber protective tube
Line between the center at the center and insulating layer of line between the center of insulating layer and another optical fiber protective tube
Between sharp angle be less than 160 degree；
Two temperature sensing optical fibers are interspersed in two optical fiber protective tubes correspondingly.
2. a kind of energy supply pipeline with temperature sensing optical fiber according to claim 1, it is characterised in that outside the insulating layer
Two through holes are offered along the axial direction of the insulating layer on surface, two optical fiber protective tubes are interspersed in described correspondingly
In two through holes.
3. a kind of energy supply pipeline with temperature sensing optical fiber according to claim 2, it is characterised in that two optical fiber is protected
Pillar and the insulating layer one cast molding.
A kind of 4. energy supply pipeline with temperature sensing optical fiber according to claim 1, it is characterised in that the optical fiber protective tube
Using zinc-plated protection pipe.
A kind of 5. energy supply pipeline with temperature sensing optical fiber according to claim 1, it is characterised in that the horizontal stroke of the insulating layer
On section, wherein the line and another optical fiber between the center of optical fiber protective tube and the center of insulating layer are protected
The sharp angle between line between the center of pillar and the center of insulating layer is 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203793.2U CN207279151U (en) | 2017-09-20 | 2017-09-20 | A kind of energy supply pipeline with temperature sensing optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203793.2U CN207279151U (en) | 2017-09-20 | 2017-09-20 | A kind of energy supply pipeline with temperature sensing optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207279151U true CN207279151U (en) | 2018-04-27 |
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ID=61981455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721203793.2U Expired - Fee Related CN207279151U (en) | 2017-09-20 | 2017-09-20 | A kind of energy supply pipeline with temperature sensing optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207279151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443425A (en) * | 2018-10-23 | 2019-03-08 | 南阳理工学院 | A kind of heat preservation conveyance conduit deformation of long range and leakage monitoring system |
| CN109519714A (en) * | 2018-11-23 | 2019-03-26 | 重庆大学 | Intelligent pipeline insulating layer with tiny leakage self-diagnostic function |
| CN110671610A (en) * | 2019-10-28 | 2020-01-10 | 北京科技大学天津学院 | Monitoring system and monitoring method for heat supply pipeline |
-
2017
- 2017-09-20 CN CN201721203793.2U patent/CN207279151U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443425A (en) * | 2018-10-23 | 2019-03-08 | 南阳理工学院 | A kind of heat preservation conveyance conduit deformation of long range and leakage monitoring system |
| CN109443425B (en) * | 2018-10-23 | 2024-01-30 | 南阳理工学院 | Long-distance heat-preservation conveying pipeline deformation and leakage monitoring system |
| CN109519714A (en) * | 2018-11-23 | 2019-03-26 | 重庆大学 | Intelligent pipeline insulating layer with tiny leakage self-diagnostic function |
| CN110671610A (en) * | 2019-10-28 | 2020-01-10 | 北京科技大学天津学院 | Monitoring system and monitoring method for heat supply pipeline |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20190920 |