CN209325429U - A kind of oil-gas pipeline leakage positioning system based on optical fiber - Google Patents
A kind of oil-gas pipeline leakage positioning system based on optical fiber Download PDFInfo
- Publication number
- CN209325429U CN209325429U CN201920105623.3U CN201920105623U CN209325429U CN 209325429 U CN209325429 U CN 209325429U CN 201920105623 U CN201920105623 U CN 201920105623U CN 209325429 U CN209325429 U CN 209325429U
- Authority
- CN
- China
- Prior art keywords
- oil
- gas pipeline
- optical fiber
- positioning system
- instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of, and the oil-gas pipeline based on optical fiber reveals positioning system, it is characterized in that, including sensing optic cable, DAS subsystem, Guang Nayi, monitoring center, the sensing optic cable is received the input terminal of instrument with the DAS subsystem, the light respectively and is connect, and the DAS subsystem, the light are received the output end of instrument and connect respectively with the control centre.The utility model receives instrument PPP-BOTDA realization to the real time monitoring of oil-gas pipeline using fibre optical sensor combination light, pass through temperature change, the stress variation on oil-gas pipeline, the information such as vibration, carry out early warning and accurate positionin in advance, staff safeguards in time, to reduce Pipeline damage and oil gas leakage bring harm.
Description
Technical field
The utility model relates to a kind of, and the oil-gas pipeline based on optical fiber reveals positioning system, belongs to pipeline leakage positioning neck
Domain.
Background technique
Oil-gas pipeline carries the transformation task of national a large amount of petroleum resources, is related to that national security, economic society are harmonious
Development, but due to various natures or artificial origin, pipeline leakage accident occurs often, sometimes along with huge lives and properties
Loss and environmental pollution.Existing oil-gas pipeline safety monitoring technology mainly passes through monitoring pipeline pressure, flow and temperature
Etc. the variations of parameters judge whether leakage occurs, such method is influenced vulnerable to factors such as dielectric property, techniques, and sending out
It just alarms after raw leakage；Or oil-gas pipeline real-time monitoring is positioned, it not can be carried out automatic alarm, need staff will
The data detected are analyzed, judge whether to reveal, using corresponding counter-measure.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of oil-gas pipeline leakage positioning system based on optical fiber
System.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of oil-gas pipeline leakage based on optical fiber is fixed
Position system, including sensing optic cable, DAS subsystem, Guang Nayi, monitoring center, the sensing optic cable respectively with DAS subsystem, institute
It states light and receives the input terminal connection of instrument, the DAS subsystem, the light are received the output end of instrument and connect respectively with the monitoring center.
The beneficial effects of the utility model are: using distributed fiberoptic sensor combination light receive instrument PPP-BOTDA realize pair
, there is timely early warning, staff when abnormal data in the temperature of oil-gas pipeline, the real time monitoring of the status informations such as strain, vibration
Safeguarded, exception information shown on monitor terminal, to reduce Pipeline damage and the harm of pipe leakage bring, have
Effect prevents pipeline from stealing and damaging event, has positioning accuracy high, and monitoring range is wide, easy to use, non-maintaining, saves
The advantages of human resources.
Further, the sensing optic cable is equipped with protection wire casing, and the protective wire slot is welded on oil-gas pipeline surface.
Beneficial effect using above-mentioned further scheme is: the sensing optic cable is welded on oil-gas pipeline by protective wire slot
The status informations such as temperature, strain, the vibration of oil-gas pipeline can be monitored in real time in surface.
Further, the DAS subsystem includes sensor and data processing module.
Beneficial effect using above-mentioned further scheme is: the DAS subsystem does not need amplifier or repeater, is not required to
Power supply can support the wideband frequency range of the successive range between 400MH to 2.5Gz, support the single basis of multiple applications
Facility will reduce interference, it can be achieved that Detection location simultaneously of more times, and maximum measurement distance is up to 50 kilometers, positioning accuracy ± 20
Within rice.
Further, the sensor includes distributed fiberoptic sensor.
Beneficial effect using above-mentioned further scheme is: the characteristic using optical fiber to vibration sensing, when extraneous vibration institute
When with on sensor fibre, due to elasto-optical effect, refractive index, the length of optical fiber will generate minor change, so as to cause in optical fiber
The phase change for transmitting signal, so that light intensity, which changes, obtains the location information of vibration signal.
Further, it includes Brillouin optical time domain analysis instrument PPP-BOTDA that the light, which receives instrument,.
Using the beneficial effect of above-mentioned further scheme is: the light receives instrument using seeing thought of as sensor, has high-precision
High spatial resolution is spent, strain and temperature on oil-gas pipeline are measured.
Further, the monitoring center includes controller, monitor terminal, warning device, environment weather monitor, meets an urgent need and lead to
Interrogate device and power module, the monitor terminal, the warning device, the environment weather monitor, the emergency communication device and
The power module is connect with the controller.
Beneficial effect using above-mentioned further scheme is: the monitoring center receives the DAS subsystem and the light
Receive the information of instrument, the controller controls the monitor terminal and shows the positioning of abnormal data on oil-gas pipeline, while controlling report
Alarm device is alarmed, and the monitor terminal carries out the acquisition of image/video information, the ring to the place for generating abnormal data
For border weather monitoring device to the environment weather real-time monitoring for changing place, the emergency communication device is convenient for work when generating emergency
Personnel and general headquarters contact communication in time.
Further, the power module includes at least one of wind power supply, solar power generation.
Beneficial effect using above-mentioned further scheme is: can mention by wind-force, solar power generation for the positioning system
For electric energy.
Detailed description of the invention
Fig. 1 is the structure chart that a kind of oil-gas pipeline based on optical fiber of the utility model reveals positioning system；
Fig. 2 is the DAS schematic diagram that a kind of oil-gas pipeline based on optical fiber of the utility model reveals positioning system；
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
In conjunction with shown in Fig. 1,2, the utility model provides a kind of oil-gas pipeline leakage positioning system based on optical fiber, including passes
Sensing optical cable, DAS subsystem, Guang Nayi, monitoring center, the sensing optic cable receive the input of instrument with DAS subsystem, the light respectively
End connection, the DAS subsystem, the light are received the output end of instrument and are connect respectively with the monitoring center.
Further, the sensing optic cable is equipped with protection wire casing, and the protective wire slot is welded on oil-gas pipeline surface, institute
State the status informations such as temperature, strain, the vibration of sensing optic cable monitoring oil-gas pipeline.
Further, the DAS subsystem includes the sensor and the data processing module, the DAS subsystem
Amplifier or repeater are not needed, power supply is not required to, can support the wideband frequency model of the successive range between 400MH to 2.5Gz
Enclose, support the single infrastructure of multiple applications that will reduce interference, it can be achieved that Detection location simultaneously of more times, and maximum measurement away from
From up to 50 kilometers, within positioning accuracy ± 20 meter.
Further, the sensor includes distributed fiberoptic sensor, using optical fiber to the characteristic of vibration sensing, when outer
When used in boundary's vibration on sensor fibre, due to elasto-optical effect, refractive index, the length of optical fiber will generate minor change, to lead
The phase change for causing transmission signal in optical fiber, so that light intensity, which changes, obtains the location information of vibration signal.
Further, it includes Brillouin optical time domain analysis instrument PPP-BOTDA that the light, which receives instrument, and the light is received instrument and thought using sight
As sensor, there is high-precision high spatial resolution, measure strain and temperature on oil-gas pipeline.
Further, the monitoring center includes controller, monitor terminal, warning device, environment weather monitor, emergency
Communicator and power module, the monitor terminal, the warning device, the environment weather monitor, the emergency communication device
It is connect with the power module with the controller, the monitoring center receives the DAS subsystem and the light receives the letter of instrument
Breath, the controller controls the positioning that the monitor terminal shows abnormal data on oil-gas pipeline, while warning device is reported
Alert, the monitor terminal carries out the acquisition of image/video information, the environment weather monitor to the place for generating abnormal data
To the environment weather real-time monitoring for changing place, the emergency communication device when generating emergency convenient for staff and general headquarters and
When connection link up.
Further, the power module includes at least one of wind power supply, solar power generation, can by wind-force,
Solar power generation provides electric energy for the positioning system.
Specifically, the sensing optic cable is laid with along oil-gas pipeline, the multi-signal that detection oil-gas pipeline generates passes signal
It is defeated by the DAS subsystem and the light receives instrument；In the DAS subsystem, the distributed fiberoptic sensor is to edge
Spatial distribution on optical fiber transmission path and the sensor that information is measured or monitored is changed over time, it is by sensor fibre edge
Arrangement, can obtain the spatial distribution of tested field simultaneously and change with time and information while using optical fibers as sensing responsive
Element and transmission signal media detect the temperature along optical fiber different location using advanced otdr technology and ofdr technology
With the variation of strain, really distributed measurement is realized.Micron optics temperature measuring principle is based on raman scattering effect
The distributed temperature sensing system answered；Strain measurement principle is distributed temperature and strain sensing based on brillouin scattering
System, it can measure temperature and strain simultaneously；The data processing module is single-chip microcontroller, to the distributed fiberoptic sensor
Obtained transducing signal amplifies, filters, conversion process, and will treated that signal sends the monitoring center to；
The working principle of the Brillouin optical time domain analysis instrument PPP-BOTDA is: before the pulsed light of detection issues, increasing
One section of pre- pumping pulse excites phonon, injects short light pulse and continuous probe light from the both ends of optical fiber respectively, passes through and changes pump
The form of Pu light and the frequency variation of measurement stimulated Brillouin scattering in optical fiber light, obtain the strain information of optical fiber axial direction each point,
The strain measurement precision for obtaining 100cm spatial resolution He ± 0.0025% simultaneously uses back analysis skill according to the information of acquisition
The status information of oil-gas pipeline is sent to the monitoring center by art；
The monitoring center receives the DAS subsystem and the light receives the information of instrument, and the controller controls the prison
Control terminal shows the positioning of abnormal data on oil-gas pipeline, while controlling warning device and alarming, and the monitor terminal is to production
The place of raw abnormal data carries out the acquisition of image/video information, and the environment weather monitor is real to the environment weather for changing place
When monitor, the emergency communication device contacts communication when generating emergency convenient for staff and general headquarters in time.
A kind of working principle of the oil-gas pipeline leakage positioning system based on optical fiber of the utility model are as follows: one kind is based on optical fiber
Oil-gas pipeline leakage positioning system use distributed fiberoptic sensor, oil gas is obtained simultaneously according to sensor data acquisition system
The status informations such as temperature, strain, the vibration of pipeline, by being compared and analyzed with the historical data stored in controller and feature
Signal extraction and smart machine, come realize pipeline is destroyed, the progress such as pipe leakage, pipe deforming and geological disaster it is in advance pre-
Alert, when detecting road abnormal signal, controller controls alarm and carries out audio alert prompt, and controller passes abnormal signal signal
Be defeated by monitor terminal, wherein warning device using single-chip microcontroller control driving, suggestion content include therewith the time occur event,
Point, event trend etc., monitor terminal is intelligent electronic device, and the intelligent electronic device can be carried by staff,
And real-time display collects Oil/Gas Pipe status information, and the place of exception information, trend occurs.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of oil-gas pipeline based on optical fiber reveals positioning system, which is characterized in that including sensing optic cable, DAS subsystem, light
Receive instrument, monitoring center, the sensing optic cable is received the input terminal of instrument with DAS subsystem, the light respectively and connect, the DAS subsystem
System, the light are received the output end of instrument and are connect respectively with the monitoring center.
2. the oil-gas pipeline according to claim 1 based on optical fiber reveals positioning system, which is characterized in that the sense light
Cable is equipped with protection wire casing, and the protective wire slot is welded on oil-gas pipeline surface.
3. the oil-gas pipeline according to claim 1 based on optical fiber reveals positioning system, which is characterized in that DAS
System includes sensor and data processing module.
4. the oil-gas pipeline according to claim 3 based on optical fiber reveals positioning system, which is characterized in that the sensor
Including distributed fiberoptic sensor.
5. oil-gas pipeline according to claim 1 based on optical fiber reveals positioning system, which is characterized in that the light receives instrument
Including Brillouin optical time domain analysis instrument PPP-BOTDA.
6. the oil-gas pipeline according to claim 1 based on optical fiber reveals positioning system, which is characterized in that in the monitoring
Pericardium includes controller, monitor terminal, warning device, environment weather monitor, emergency communication device and power module, and the monitoring is eventually
End, the warning device, the environment weather monitor, the emergency communication device and the power module and the controller connect
It connects.
7. the oil-gas pipeline according to claim 6 based on optical fiber reveals positioning system, which is characterized in that the power supply mould
Block includes at least one of wind power supply, solar power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105623.3U CN209325429U (en) | 2019-01-22 | 2019-01-22 | A kind of oil-gas pipeline leakage positioning system based on optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105623.3U CN209325429U (en) | 2019-01-22 | 2019-01-22 | A kind of oil-gas pipeline leakage positioning system based on optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325429U true CN209325429U (en) | 2019-08-30 |
Family
ID=67731702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920105623.3U Active CN209325429U (en) | 2019-01-22 | 2019-01-22 | A kind of oil-gas pipeline leakage positioning system based on optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325429U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128628A (en) * | 2020-09-08 | 2020-12-25 | 青岛派科森光电技术股份有限公司 | Sensing device and method for monitoring leakage of submarine oil and gas pipeline |
| CN113203049A (en) * | 2020-05-28 | 2021-08-03 | 中国石油天然气股份有限公司 | Intelligent monitoring and early warning system and method for pipeline safety |
| CN113884247A (en) * | 2021-12-09 | 2022-01-04 | 南京派光智慧感知信息技术有限公司 | Comprehensive monitoring system and method for oil and gas pipeline |
| CN116228770A (en) * | 2023-05-09 | 2023-06-06 | 深蓝(天津)智能制造有限责任公司 | Method and system for identifying and monitoring pipeline leakage |
-
2019
- 2019-01-22 CN CN201920105623.3U patent/CN209325429U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203049A (en) * | 2020-05-28 | 2021-08-03 | 中国石油天然气股份有限公司 | Intelligent monitoring and early warning system and method for pipeline safety |
| CN112128628A (en) * | 2020-09-08 | 2020-12-25 | 青岛派科森光电技术股份有限公司 | Sensing device and method for monitoring leakage of submarine oil and gas pipeline |
| CN113884247A (en) * | 2021-12-09 | 2022-01-04 | 南京派光智慧感知信息技术有限公司 | Comprehensive monitoring system and method for oil and gas pipeline |
| CN116228770A (en) * | 2023-05-09 | 2023-06-06 | 深蓝(天津)智能制造有限责任公司 | Method and system for identifying and monitoring pipeline leakage |
| CN116228770B (en) * | 2023-05-09 | 2023-09-01 | 深蓝(天津)智能制造有限责任公司 | Method and system for identifying and monitoring pipeline leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209325429U (en) | A kind of oil-gas pipeline leakage positioning system based on optical fiber | |
| CN205746047U (en) | A kind of long-distance oil & gas pipeline safety monitoring system | |
| CN203310540U (en) | Temperature and strain on-line monitoring device integrating optical phase conductors | |
| CN207095615U (en) | Tunnel monitoring system based on fiber grating | |
| CN101968161B (en) | Distributed optical fiber polarization sensor based automatic early warning system of intelligent pipeline | |
| CN101266024A (en) | Distributed optical fibre oil gas conveying pipeline early early-warning system based on polarization detection | |
| CN105135219A (en) | Oil-gas pipeline monitoring system | |
| CN103185198A (en) | Distributed fiber leakage monitoring system of LNG storage tank | |
| CN112629700A (en) | Pipe gallery cable leakage detection system and detection method | |
| CN207246799U (en) | A kind of pipe leakage fibre-optical temperature sensing monitor | |
| CN205001865U (en) | Oil gas pipeline monitored control system based on optic fibre | |
| CN106287236A (en) | Distributed monitoring leak from oil gas pipe system | |
| CN204007705U (en) | A kind of fiber grating transformer online monitoring system | |
| CN204368189U (en) | Based on the railway foreign body intrusion monitoring system of fiber-optic grating sensor closed loop | |
| CN103498790B (en) | Based on group of pump state monitoring method and the device of optical fiber grating sensing | |
| CN210667129U (en) | Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system | |
| CN219776926U (en) | Crystallization temperature real-time monitoring device is prevented to distributed optical fiber ammonia pipeline | |
| CN200980002Y (en) | A generator stator | |
| CN105114815A (en) | Monitoring early-warning system for underground oil and gas pipeline | |
| CN109404734A (en) | Natural gas line leak detection systems based on fiber grating | |
| CN202532171U (en) | Distributed optical fiber leakage monitoring system of LNG storage tank | |
| CN202195898U (en) | Fiber type temperature on-line monitoring device used for high voltage switch cabinet | |
| CN110375791A (en) | Bridge security monitoring method based on optical fiber sensing technology | |
| CN108591839A (en) | A kind of skyscraper natural gas standpipe security protection early warning system and method for early warning | |
| CN205001863U (en) | Oil gas pipeline monitoring and forewarning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |