CN108194839A - A kind of leakage monitoring cable network based on heat distribution pipeline - Google Patents
A kind of leakage monitoring cable network based on heat distribution pipeline Download PDFInfo
- Publication number
- CN108194839A CN108194839A CN201711424985.0A CN201711424985A CN108194839A CN 108194839 A CN108194839 A CN 108194839A CN 201711424985 A CN201711424985 A CN 201711424985A CN 108194839 A CN108194839 A CN 108194839A
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- heat distribution
- distribution pipeline
- cable
- cable network
- monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 230000003287 optical effect Effects 0.000 claims abstract description 54
- 239000013307 optical fiber Substances 0.000 claims abstract description 33
- 230000001687 destabilization Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
A kind of leakage monitoring cable network based on heat distribution pipeline,By based on heat distribution pipeline pipe network,The whole laying optical cable on heat distribution pipeline,Temperature caused by the amplitude variation of Rayleigh scattering light interferometric phase signal can be utilized and leaked becomes and/or the correspondence of noise disturbance signal,Amplitude variation and its location information are obtained to determine pipe leakage point,So as to which each heat distribution pipeline be conducive to heat distribution pipe network realizes whole non-blind area leakage monitoring,Pipe leakage point is found in time,Promote the safe operation of heat distribution pipe network and high quality operation,It is characterized in that,Using the heat distribution pipeline of heat distribution pipe network as carrier cable network is formed along heat distribution pipeline whole process laying optical cable,Monitoring host is distributed in the cable network,The monitoring host includes host optical fiber interface,Light pulse signal modulator,Laser emitter,It leaks hunting module,Destabilization sensing signal detector and industrial personal computer.
Description
Technical field
The present invention relates to heat distribution pipeline networking technology, particularly a kind of leakage monitoring cable network based on heat distribution pipeline leads to
It crosses based on heat distribution pipeline pipe network, whole laying optical cable, utilizes Rayleigh scattering light interferometric phase signal on heat distribution pipeline
Amplitude changes the correspondence with change warm caused by leakage and/or noise disturbance signal, with regard to that can obtain amplitude variation and its position
Confidence breath is to determine pipe leakage point, so as to which each heat distribution pipeline be conducive to heat distribution pipe network realizes whole non-blind area leakage prison
It surveys, finds pipe leakage point in time, promote the safe operation of heat distribution pipe network and high quality operation.
Background technology
Heat distribution pipeline is the basic component to form city thermal pipe network, is the heat supply for leading to building consumer heat inlet from heat source
Pipeline, common thermal medium are hot water or steam etc..The inventors discovered that the heat distribution pipeline in general heat distribution pipe network is in city
Underground, environment is complicated, its running monitoring is mainly carried out by heating power inspection chamber, and for entire pipe network, heating power
Inspection chamber is only possible to the situation in scattered distribution, and therefore, the selectively monitoring of heating power inspection chamber can not be achieved the whole network non-blind area
Monitoring, that is to say, that the accident potential positioned at blind area is instead into the pain spot that may lead to major accident.Safety is without minor matter, city
Heat distribution pipe network necessarily causes huge economic loss and undesirable social influence if major accident occurs.The present inventor recognizes
For if the sensor laid, then profit using heat distribution pipeline as carrier along heat distribution pipeline whole process directly as sensor with optical fiber
Become with the amplitude variation of Rayleigh scattering light interferometric phase signal with temperature caused by leakage and/or the corresponding of noise disturbance signal is closed
System, with regard to amplitude variation and its location information can be obtained to determine pipe leakage point, so as to fulfill whole non-blind area leakage monitoring,
Pipe leakage point is found in time.In view of this, the present inventor's design completes the present invention.
Invention content
The present invention provides a kind of leakage monitoring light based on heat distribution pipeline for defect in the prior art or deficiency
Cable net, by the way that based on heat distribution pipeline pipe network, whole laying optical cable, can utilize the Rayleigh scattering interference of light on heat distribution pipeline
The amplitude variation of phase signal becomes with temperature caused by leakage and/or the correspondence of noise disturbance signal, obtains amplitude variation
And its location information to be to determine pipe leakage point, so as to be conducive to realize that whole non-blind area is let out to each heat distribution pipeline of heat distribution pipe network
Leakage monitoring, finds pipe leakage point in time, promotes the safe operation of heat distribution pipe network and high quality operation.
Technical scheme is as follows：
A kind of leakage monitoring cable network based on heat distribution pipeline, which is characterized in that using the heat distribution pipeline of heat distribution pipe network as load
Body forms cable network along heat distribution pipeline whole process laying optical cable, and monitoring host, the monitoring host packet are distributed in the cable network
Include host optical fiber interface, light pulse signal modulator, laser emitter, module of leaking hunting, destabilization sensing signal detector and industry control
Machine, module of leaking hunting described in industrial personal computer connection, the module of leaking hunting are divided into two-way, and the first via is sequentially connected the Laser emission
Device, the light pulse signal modulator and the host optical fiber interface, the second tunnel are connected by the destabilization sensing signal detector
The host optical fiber interface is connect, the host optical fiber interface connects the optical cable.
The light of the module by the laser emitter and the light pulse signal modulator into the optical cable that leaks hunting
Fibre injection detecting optical pulses signal, the module of leaking hunting receive Rayleigh from the optical fiber by destabilization sensing signal detector and dissipate
Penetrate interference of light phase signal, become by the variation of the amplitude of the Rayleigh scattering light interferometric phase signal with temperature caused by leakage and/or
The correspondence of noise disturbance signal obtains amplitude variation and its location information to determine pipe leakage point.
The host optical fiber interface uses FC/APC optical fiber interfaces.
The industrial personal computer has display screen and remote communication module, and the industrial personal computer is supervised by RJ45 interfaces and pipeline coordination
Control system connects.
The cable network includes several monitoring hosts, and several monitoring hosts are deployed in institute in a distributed way
It states in cable network, the industrial personal computer in the monitoring host has display screen and remote communication module, and the industrial personal computer passes through RJ45
Interface is connect with pipeline coordination monitoring system.
There is the optical cable double armor to protect structure, and the optical cable uses a cored structure or two cored structures, the optical cable
Interior optical fiber is single mode optical fiber.
The heat distribution pipeline includes heat distribution pipeline main body and coats the inner liner layer of the heat distribution pipeline main body peripheral surface,
The optical cable is arranged in the inner liner layer, and the optical cable is axially extending along the inner liner layer.
The inner liner layer includes heat preservation clad, the inner surface of the heat preservation clad and the heat distribution pipeline main body
Peripheral surface be in contact, the optical cable is laid on the outer surface of the heat preservation clad and passes through optical cable fixing piece and fix,
Glass fabric clad on the outer surface of the heat preservation clad is set, outer protect is set on the glass fabric clad
Set.
The oversheath uses galvanized iron sheet, and the optical cable fixing piece is adhesive tape, and the adhesive tape is by being bonded the light
Cable is fixed on the outer surface of the heat preservation clad, and the free end of the optical cable is connected in reel tail wrap-up.
The optical cable is respectively formed axial Wheat straw mulching to all heat distribution pipelines in the heat distribution pipe network.
The technology of the present invention effect is as follows：A kind of leakage monitoring cable network based on heat distribution pipeline of the present invention, by with optical fiber
Directly as sensor, which using heat distribution pipeline as carrier along heat distribution pipeline whole process is laid, recycles Rayleigh scattering light
The amplitude variation of interferometric phase signal and the correspondence with change warm caused by leakage and/or noise disturbance signal, with regard to that can obtain
The amplitude changes and its location information is to determine pipe leakage point, so as to fulfill whole non-blind area leakage monitoring, finds pipe in time
Road leakage point promotes the safe operation of heat distribution pipe network and high quality operation.The present invention carries out optical cable and traditional heat distribution pipeline
Integrated combination forms the whole arrangement mould using the inner liner layer of heat distribution pipeline as carrier and by monitoring sensor of optical cable
Formula is that the heat distribution pipeline in using is realized so as to which the heating power inspection chamber of existing scattered distribution selectively to be monitored to torsion at one stroke
Whole non-blind area monitoring can be greatly promoted the safe operation of heat distribution pipe network and high quality operation.
Heat distribution pipeline can be prefabricated into the heat distribution pipeline with optical cable sensor by the present invention, be opened up for traditional heat distribution pipeline
Having opened up new function increases included sensing function, the single-function of conventional heat pipeline is eliminated, to be based on heat distribution pipeline
Leakage monitoring cable network provide convenience condition.
Description of the drawings
Fig. 1 is to implement a kind of leakage monitoring cable network structure diagram based on heat distribution pipeline of the present invention.
Fig. 2 is the structure diagram of prefabricated optical cable heat distribution pipeline.
Reference numeral lists as follows：1- optical cables；2- heat distribution pipeline main bodys；3- keeps the temperature clad；4- glass fabrics coat
Layer；5- oversheaths；6- inner liner layers；7- optical cable fixing pieces；8- heating power channels；9- monitors host；10- reels tail winding dress
It puts；11- host optical fiber interfaces；12- heat distribution pipelines；13- light pulse signal modulators；14- laser emitters；15- leaks hunting module；
16- remote communication modules；17- display screens；18- industrial personal computers；19- destabilization sensing signal detectors；20- pipeline coordinations monitoring system
System.
Specific embodiment
Below in conjunction with the accompanying drawings (Fig. 1-Fig. 2) the present invention will be described.
Fig. 1 is to implement a kind of leakage monitoring cable network structure diagram based on heat distribution pipeline of the present invention.Fig. 2 is prefabricated light
The structure diagram of cable heat distribution pipeline.As shown in Figure 1 to Figure 2, a kind of leakage monitoring cable network based on heat distribution pipeline, with heating power
The heat distribution pipeline 12 of pipe network forms cable network for carrier along the whole laying optical cable 1 of heat distribution pipeline 12, is distributed in the cable network
Host 9 is monitored, the monitoring host 9 includes host optical fiber interface 11, light pulse signal modulator 13, laser emitter 14, surveys
Stripping pattern block 15, destabilization sensing signal detector 19 and industrial personal computer 18, the industrial personal computer 18 connect the module 15 of leaking hunting, the survey
Stripping pattern block 15 divides for two-way, and the first via is sequentially connected the laser emitter 14, the light pulse signal modulator 13 and described
Host optical fiber interface 11, the second tunnel connects the host optical fiber interface 11 by the destabilization sensing signal detector 19, described
Host optical fiber interface 11 connects the optical cable 1.The module 15 of leaking hunting is believed by the laser emitter 14 and the light pulse
The optical fiber injection detecting optical pulses signal of number modulator 13 into the optical cable 1, the module 15 of leaking hunting are believed by destabilization sensing
Number detector 19 receives Rayleigh scattering light interferometric phase signal from the optical fiber, passes through Rayleigh scattering light interferometric phase signal
Amplitude changes the correspondence with change warm caused by leakage and/or noise disturbance signal, obtains amplitude variation and its position letter
Breath (after pipe leakage point is determined, can be determined whether the change location point is really sent out with determining pipe leakage point by staff
Leakage event is given birth to).The host optical fiber interface 11 uses FC/APC optical fiber interfaces.The industrial personal computer 18 has 17 He of display screen
Remote communication module 16, the industrial personal computer 18 are connect by RJ45 interfaces with pipeline coordination monitoring system 20.
The cable network includes several monitoring hosts 9, and several monitoring hosts 9 are deployed in a distributed way
In the cable network, the industrial personal computer 18 in the monitoring host 9 has display screen 17 and remote communication module 16, the industrial personal computer
18 are connect by RJ45 interfaces with pipeline coordination monitoring system 20.There is the optical cable 1 double armor to protect structure, the optical cable
1 uses a cored structure or two cored structures, and the optical fiber in the optical cable 1 is single mode optical fiber.The heat distribution pipeline 12 includes thermal pipe
Road main body 2 and the inner liner layer 6 for coating 2 peripheral surface of heat distribution pipeline main body, the optical cable 1 are arranged on the external structure
In layer 6, the optical cable is axially extending along the inner liner layer 6.The inner liner layer 6 includes heat preservation clad 3, described
The inner surface of heat preservation clad 3 is in contact with the peripheral surface of the heat distribution pipeline main body 2, and the optical cable 1 is laid in the guarantor
On the outer surface of thermometer bulb coating 3 and pass through optical cable fixing piece 7 and fix, glass is set on the outer surface of the heat preservation clad 3
Fiber cloth clad 4 sets oversheath 5 on the glass fabric clad 4.The oversheath 5 uses galvanized iron sheet, described
Optical cable fixing piece 7 is adhesive tape, and the optical cable 1 is fixed on the outer surface of the heat preservation clad 3 by the adhesive tape by being bonded,
The free end of the optical cable 1 is connected in reel tail wrap-up 10.The optical cable 1 is to all warm in the heat distribution pipe network
Hydraulic piping 12 is respectively formed axial Wheat straw mulching.In heating power channel 8 in the heat distribution pipeline main body 2 by heating medium be heat
Water or steam etc..
It is hereby stated that described above contribute to those skilled in the art understand that the invention, but not limit the present invention
The protection domain of creation.It is any that equivalent replacement described above, modification are improved without departing from the invention substantive content
And/or the implementation deleted numerous conform to the principle of simplicity and carried out, each fall within the protection domain of the invention.
Claims (10)
1. a kind of leakage monitoring cable network based on heat distribution pipeline, which is characterized in that using the heat distribution pipeline of heat distribution pipe network as carrier
Cable network is formed along heat distribution pipeline whole process laying optical cable, monitoring host is distributed in the cable network, the monitoring host includes
Host optical fiber interface, light pulse signal modulator, laser emitter, module of leaking hunting, destabilization sensing signal detector and industrial personal computer,
Leak hunting described in the industrial personal computer connection module, the module of leaking hunting is divided into two-way, the first via be sequentially connected the laser emitter,
The light pulse signal modulator and the host optical fiber interface, the second tunnel connect institute by the destabilization sensing signal detector
Host optical fiber interface is stated, the host optical fiber interface connects the optical cable.
2. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the module of leaking hunting
Detecting optical pulses signal is injected by the optical fiber of the laser emitter and the light pulse signal modulator into the optical cable,
The module of leaking hunting receives Rayleigh scattering light interferometric phase signal by destabilization sensing signal detector from the optical fiber, passes through
The corresponding pass of the disturbing signals such as the amplitude variation of the Rayleigh scattering light interferometric phase signal and change warm caused by leakage and/or noise
System obtains amplitude variation and its location information to determine pipe leakage point.
3. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the host optical fiber
Interface uses FC/APC optical fiber interfaces.
4. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the industry control equipment
There are display screen and remote communication module, the industrial personal computer is connect by RJ45 interfaces with pipeline coordination monitoring system.
5. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that in the cable network
Including several monitoring hosts, several monitoring hosts are deployed in a distributed way in the cable network, the monitoring
Industrial personal computer in host has display screen and remote communication module, and the industrial personal computer is by RJ45 interfaces and pipeline coordination monitoring
System connection.
6. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the optical cable has
Double armor protects structure, and the optical cable uses a cored structure or two cored structures, and the optical fiber in the optical cable is single mode optical fiber.
7. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the heat distribution pipeline
Inner liner layer including heat distribution pipeline main body and the cladding heat distribution pipeline main body peripheral surface, the optical cable are arranged on described outer
In portion's structure sheaf, the optical cable is axially extending along the inner liner layer.
8. the leakage monitoring cable network according to claim 7 based on heat distribution pipeline, which is characterized in that the external structure
Layer includes heat preservation clad, and the inner surface of the heat preservation clad is in contact with the peripheral surface of the heat distribution pipeline main body, described
Optical cable is laid on the outer surface of the heat preservation clad and passes through optical cable fixing piece and fixes, in the outer of the heat preservation clad
Glass fabric clad on surface is set, oversheath is set on the glass fabric clad.
9. the leakage monitoring cable network according to claim 8 based on heat distribution pipeline, which is characterized in that the oversheath is adopted
With galvanized iron sheet, the optical cable fixing piece is adhesive tape, and the optical cable is fixed on the heat preservation by bonding and coated by the adhesive tape
On the outer surface of layer, the free end of the optical cable is connected in reel tail wrap-up.
10. the leakage monitoring cable network according to claim 1 based on heat distribution pipeline, which is characterized in that the optical cable pair
All heat distribution pipelines in the heat distribution pipe network are respectively formed axial Wheat straw mulching.
Priority Applications (1)
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| CN201711424985.0A CN108194839A (en) | 2017-12-25 | 2017-12-25 | A kind of leakage monitoring cable network based on heat distribution pipeline |
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| CN201711424985.0A CN108194839A (en) | 2017-12-25 | 2017-12-25 | A kind of leakage monitoring cable network based on heat distribution pipeline |
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| CN108194839A true CN108194839A (en) | 2018-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066270A (en) * | 2020-09-14 | 2020-12-11 | 贵州电网有限责任公司 | Method and device for monitoring leakage of distributed optical fiber built-in water pipeline |
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Application publication date: 20180622 |
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