CN207687686U - 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
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- CN207687686U CN207687686U CN201721836605.XU CN201721836605U CN207687686U CN 207687686 U CN207687686 U CN 207687686U CN 201721836605 U CN201721836605 U CN 201721836605U CN 207687686 U CN207687686 U CN 207687686U
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- distribution pipeline
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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,The amplitude variation of Rayleigh scattering light interferometric phase signal can be utilized and the caused temperature of leakage becomes and/or the correspondence of noise disturbance signal,Amplitude variation and its location information are obtained to determine pipe leakage point,To be conducive to the whole non-blind area leakage monitoring of each heat distribution pipeline realization to heat distribution pipe network,Pipe leakage point is found in time,Promote safe operation and the high quality operation of heat distribution pipe network,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, especially a kind of leakage based on heat distribution pipeline monitors cable network, 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 variation and the correspondence of temperature change and/or noise disturbance signal caused by leakage, can obtain amplitude variation and its position
Confidence is ceased to determine pipe leakage point, to be conducive to the whole non-blind area leakage prison of each heat distribution pipeline realization to heat distribution pipe network
It surveys, finds pipe leakage point in time, promote safe operation and the high quality operation of heat distribution pipe network.
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, is mainly carried out by heating power inspection chamber to its running monitoring, 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 at 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
If with optical fiber directly as sensor, which to be laid using heat distribution pipeline as carrier along heat distribution pipeline whole process, then profit
Amplitude variation with Rayleigh scattering light interferometric phase signal and temperature change caused by leakage and/or the corresponding pass of noise disturbance signal
System, can obtain the amplitude variation and its location information to determine pipe leakage point, to realize 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 is in view of the deficiencies in the prior art or insufficient, provides a kind of leakage monitoring light based on heat distribution pipeline
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, each heat distribution pipeline to be conducive to heat distribution pipe network realizes that whole non-blind area is let out
Leakage monitoring, finds pipe leakage point in time, promotes safe operation and the high quality operation of heat distribution pipe network.
Technical scheme is as follows：
A kind of leakage based on heat distribution pipeline monitors cable network, which is characterized in that with the heat distribution pipeline of heat distribution pipe network is to carry
Body forms cable network along heat distribution pipeline whole process laying optical cable, and monitoring host, the monitoring host packet is 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 with temperature caused by leakage by the variation of the amplitude of the Rayleigh scattering light interferometric phase signal 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.
There is the industrial personal computer display screen and remote communication module, the industrial personal computer to be 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, there is the industrial personal computer in the monitoring host display screen and remote communication module, the industrial personal computer to pass through RJ45
Interface is connect with pipeline coordination monitoring system.
There is the optical cable double armor structure, the optical cable to be protected to use 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 is fixed by optical cable fixing piece,
Glass fabric clad is set on the outer surface of the heat preservation clad, outer shield is set on the glass fabric clad
Set.
It is adhesive tape that the oversheath, which uses galvanized iron sheet, the optical cable fixing piece, 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 based on heat distribution pipeline of the present invention monitors cable network, by with optical fiber
Directly as sensor, which is laid using heat distribution pipeline as carrier along heat distribution pipeline whole process, Rayleigh scattering light is recycled
Interferometric phase signal amplitude variation with caused by leakage temperature become and/or noise disturbance signal correspondence, can obtain
The amplitude changes and its location information is to determine pipe leakage point, to realize whole non-blind area leakage monitoring, finds pipe in time
Road leakage point promotes safe operation and the high quality operation of heat distribution pipe network.The present invention carries out optical cable and traditional heat distribution pipeline
Integrated combination forms using the inner liner layer of heat distribution pipeline as carrier and arranges mould with the whole process that optical cable is monitoring sensor
Formula, to realize the heating power inspection chamber of existing scattered distribution selectively monitoring torsion at one stroke to the heat distribution pipeline in using
Whole non-blind area monitoring can be greatly promoted safe operation and the high quality operation of heat distribution pipe network.
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
It has opened up new function and has increased included sensing function, the single-function of conventional heat pipeline has been 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 structural schematic diagram based on heat distribution pipeline of the present invention.
Fig. 2 is the structural schematic 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 channel；9- monitors host；10- reel tails winding dress
It sets；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 implementation mode
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 structural schematic diagram based on heat distribution pipeline of the present invention.Fig. 2 is prefabricated light
The structural schematic diagram of cable heat distribution pipeline.As shown in Figure 1 to Figure 2, a kind of leakage based on heat distribution pipeline monitors cable network, with heating power
The heat distribution pipeline 12 of pipe network is that carrier forms cable network 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 of number modulator 13 into the optical cable 1 injects detecting optical pulses signal, and the module 15 of leaking hunting is 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 variation and the correspondence of temperature change and/or noise disturbance signal caused by leakage, obtain amplitude variation and its position letter
Breath is to determine that pipe leakage point (after determining pipe leakage point, can be determined whether the change location point is really sent out 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 in 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
It is fixed on the outer surface of thermometer bulb coating 3 and by optical cable fixing piece 7, glass is set on the outer surface of the heat preservation clad 3
Oversheath 5 is arranged on the glass fabric clad 4 for fiber cloth 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 disengaging the invention substantive content
And/or delete numerous conform to the principle of simplicity and the implementation that carries out, each fall within the protection domain of the invention.
Claims (10)
1. a kind of leakage based on heat distribution pipeline monitors cable network, 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 according to claim 1 based on heat distribution pipeline monitors cable network, 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 amplitude variation of the Rayleigh scattering light interferometric phase signal becomes with temperature caused by leakage and/or the corresponding pass of the disturbing signals such as noise
System obtains amplitude variation and its location information to determine pipe leakage point.
3. the leakage according to claim 1 based on heat distribution pipeline monitors cable network, which is characterized in that the host optical fiber
Interface uses FC/APC optical fiber interfaces.
4. the leakage according to claim 1 based on heat distribution pipeline monitors cable network, which is characterized in that the industry control equipment
There are display screen and remote communication module, the industrial personal computer to be connect with pipeline coordination monitoring system by RJ45 interfaces.
5. the leakage according to claim 1 based on heat distribution pipeline monitors cable network, 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
There is industrial personal computer in host display screen and remote communication module, the industrial personal computer to pass through RJ45 interfaces and pipeline coordination monitoring system
System connection.
6. the leakage according to claim 1 based on heat distribution pipeline monitors cable network, which is characterized in that the optical cable has
Double armor protects structure, the optical cable to use a cored structure or two cored structures, and the optical fiber in the optical cable is single mode optical fiber.
7. the leakage according to claim 1 based on heat distribution pipeline monitors cable network, 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 setting is described outer
In portion's structure sheaf, the optical cable is axially extending along the inner liner layer.
8. the leakage according to claim 7 based on heat distribution pipeline monitors cable network, 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 is fixed by optical cable fixing piece, in the outer of the heat preservation clad
Glass fabric clad is set on surface, oversheath is set on the glass fabric clad.
9. the leakage according to claim 8 based on heat distribution pipeline monitors cable network, 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 according to claim 1 based on heat distribution pipeline monitors cable network, 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721836605.XU CN207687686U9 (en) | 2017-12-25 | 2017-12-25 | Leakage monitoring optical cable network based on heat distribution pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721836605.XU CN207687686U9 (en) | 2017-12-25 | 2017-12-25 | Leakage monitoring optical cable network based on heat distribution pipeline |
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| CN207687686U true CN207687686U (en) | 2018-08-03 |
| CN207687686U9 CN207687686U9 (en) | 2018-09-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194839A (en) * | 2017-12-25 | 2018-06-22 | 北京市热力工程设计有限责任公司 | A kind of leakage monitoring cable network based on heat distribution pipeline |
| 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 |
| CN114484293A (en) * | 2021-12-28 | 2022-05-13 | 华能汕头海门发电有限责任公司 | Device and method for monitoring leakage of deeply-buried heat distribution pipeline |
-
2017
- 2017-12-25 CN CN201721836605.XU patent/CN207687686U9/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194839A (en) * | 2017-12-25 | 2018-06-22 | 北京市热力工程设计有限责任公司 | A kind of leakage monitoring cable network based on heat distribution pipeline |
| 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 |
| CN114484293A (en) * | 2021-12-28 | 2022-05-13 | 华能汕头海门发电有限责任公司 | Device and method for monitoring leakage of deeply-buried heat distribution pipeline |
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| Publication number | Publication date |
|---|---|
| CN207687686U9 (en) | 2018-09-14 |
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| CU01 | Correction of utility model patent |
Correction item: Denomination of Utility Model|Abstract|Claims|Description Correct: Zheng Que False: Cuo Wu Number: 31-02 Page: Quan Wen Volume: 34 Correction item: Denomination of Utility Model|Abstract Correct: Zheng Que False: Cuo Wu Number: 31-02 Volume: 34 |