CN205746047U - A kind of long-distance oil & gas pipeline safety monitoring system - Google Patents
A kind of long-distance oil & gas pipeline safety monitoring system Download PDFInfo
- Publication number
- CN205746047U CN205746047U CN201620611681.XU CN201620611681U CN205746047U CN 205746047 U CN205746047 U CN 205746047U CN 201620611681 U CN201620611681 U CN 201620611681U CN 205746047 U CN205746047 U CN 205746047U
- Authority
- CN
- China
- Prior art keywords
- long
- monitoring system
- gas pipeline
- oil
- sensor
- 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.)
- Expired - Fee Related
Links
Abstract
This utility model relates generally to a kind of monitoring system, more particularly, to a kind of long-distance oil & gas pipeline safety monitoring system.Long-distance oil & gas pipeline safety monitoring system includes intelligent controller, alarm module, communication module, monitor terminal, power module, sensor, signal processing module, Guang Nayi, sensing optic cable, communications optical cable, sensing optic cable is positioned on the outer wall of oil and gas pipes, communications optical cable is connected to sensor, Guang Nayi, the outfan of sensor is connected to the input of signal processing module, signal processing module, Guang Nayi are connected to intelligent controller, the outfan of power module is connected to the input of intelligent controller, and monitor terminal is attached by communication module.It uses distributed fiberoptic sensor to combine light and receives instrument PPP BOTDA and realize the real-time monitoring to long-distance oil & gas pipeline, can obtain in real time oil and gas pipes temperature along the line, strain, the status information such as vibration, and the damage that can run into oil and gas pipes carries out early warning in advance and is accurately positioned.
Description
Technical field
This utility model relates generally to a kind of monitoring system, more particularly, it relates to a kind of long-distance oil & gas pipeline is supervised safely
Examining system.
Background technology
At present, the demand to the energy particularly petroleum resources that grows continuously and fast of Chinese national economy is more and more urgent.
The many advantages that pipeline possesses due to self, it has also become main petroleum resources transportation means.But due to all natural or artificial
Reason, pipe leakage accident happens occasionally, sometimes along with huge life and property loss and environmental pollution.At present, conventional
Oil-gas pipeline safety monitoring device mainly by the isoparametric change of pipeline discharge pressure, flow and temperature judge leakage
Whether occur.Such method is easily affected by factors such as pumped (conveying) medium characteristic, techniques, and reports to the police all after leaking.Cause
This, how allowing long-distance oil & gas pipeline monitoring system have monitoring and warning function is the most significant research direction.
Utility model content
This utility model is mainly solving the technical problems that provide a kind of long-distance oil & gas pipeline safety monitoring system, and it uses
Distributed fiberoptic sensor combines light and receives instrument PPP-BOTDA and realize the real-time monitoring to long-distance oil & gas pipeline, can obtain oil in real time
Feed channel temperature along the line, strain, the status information such as vibration, and the damage that oil and gas pipes can be run into carry out early warning in advance and
It is accurately positioned.
For solving above-mentioned technical problem, this utility model one long-distance oil & gas pipeline safety monitoring system includes Based Intelligent Control
Device, alarm module, communication module, monitor terminal, power module, sensor, signal processing module, Guang Nayi, sensing optic cable, logical
Letter optical cable, it uses distributed fiberoptic sensor to combine light and receives instrument PPP-BOTDA and realize the real-time monitoring to long-distance oil & gas pipeline,
Can obtain in real time oil and gas pipes temperature along the line, strain, the status information such as vibration, and the damage that can run into oil and gas pipes enters
Act front early warning and be accurately positioned.
Wherein, described sensing optic cable is positioned on the outer wall of oil and gas pipes;Described sensing optic cable is connected to communications optical cable;Described
Communications optical cable is connected to sensor;Described communications optical cable is connected to Guang Nayi;The outfan of described sensor is connected at signal
The input of reason module;The outfan of described signal processing module is connected to the input of intelligent controller;Described power module
Outfan be connected to the input of intelligent controller;Described communication module is connected to intelligent controller;Described monitor terminal leads to
Cross communication module to be attached.
As further optimization of the present utility model, described in this utility model one long-distance oil & gas pipeline safety monitoring system
Intelligent controller is computer.
As further optimization of the present utility model, described in this utility model one long-distance oil & gas pipeline safety monitoring system
It is Brillouin optical time domain analysis instrument PPP-BOTDA that light receives instrument.
As further optimization of the present utility model, described in this utility model one long-distance oil & gas pipeline safety monitoring system
Sensor includes distributed fiberoptic sensor.
As further optimization of the present utility model, described in this utility model one long-distance oil & gas pipeline safety monitoring system
Power module can use wind and solar hybrid generating system.
As further optimization of the present utility model, described in this utility model one long-distance oil & gas pipeline safety monitoring system
Distributed sensor constitutes DAS system with signal processing module.
Control effect: this utility model one long-distance oil & gas pipeline safety monitoring system, it uses distributing optical fiber sensing
Device combines light and receives instrument PPP-BOTDA and realize the real-time monitoring to long-distance oil & gas pipeline, can obtain the temperature that oil and gas pipes is along the line in real time
Spend, strain, the status information such as vibration, and the damage that can run into oil and gas pipes carries out early warning in advance and is accurately positioned.
Accompanying drawing explanation
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is the hardware structure diagram of this utility model a kind of long-distance oil & gas pipeline safety monitoring system.
Fig. 2 is the DAS measuring principle figure of this utility model a kind of long-distance oil & gas pipeline safety monitoring system.
Fig. 3 is the BOTDA measuring principle figure of this utility model a kind of long-distance oil & gas pipeline safety monitoring system.
Fig. 4 is the alarm module circuitry schematic diagram of this utility model a kind of long-distance oil & gas pipeline safety monitoring system.
Detailed description of the invention
Detailed description of the invention one:
In conjunction with Fig. 1,2,3,4, present embodiment is described, one long-distance oil & gas pipeline safety monitoring system described in present embodiment
System includes intelligent controller, alarm module, communication module, monitor terminal, power module, sensor, signal processing module, Guang Na
Instrument, sensing optic cable, communications optical cable, it uses distributed fiberoptic sensor to combine PPP-BOTDA light and receives instrument realization to long oil transportation gas
The real-time monitoring of pipeline, can obtain in real time oil and gas pipes temperature along the line, strain, the status information such as vibration, and to oil and gas pipes
The damage that can run into carries out early warning in advance and is accurately positioned.
Wherein, described sensing optic cable is positioned on the outer wall of oil and gas pipes, sensing optic cable for detect oil and gas pipes temperature,
Strain, strain, the status information such as vibrations.
Described sensing optic cable is connected to communications optical cable, and communications optical cable is for transmitting the transducing signal of sensing optic cable.
Described communications optical cable is connected to sensor, and communications optical cable is for sending transducing signal to sensor.
Described communications optical cable is connected to Guang Nayi, receives instrument by light and can obtain distributed strain and the temperature of oil and gas pipes
Measure.
The outfan of described sensor is connected to the input of signal processing module, and sensor is for detecting oil and gas pipes
Multi-signal, and send the transducing signal detected to signal processing module.
The outfan of described signal processing module is connected to the input of intelligent controller, and signal processing module will be for passing
Sense signal is amplified, filters, conversion process, and the signal after processing sends intelligent controller to.
Described light is received instrument and is connected to intelligent controller, and light receives instrument for sending the measurement signal of acquisition to Based Intelligent Control
Device.
The outfan of described power module is connected to the input of intelligent controller, and power module is for intelligent controller
There is provided electric energy, it is ensured that the normal work of system.
Described communication module is connected to intelligent controller, and communication module is for realizing the remote of intelligent controller and monitor terminal
Cheng Tongxin.
Described monitor terminal is attached by communication module, for receiving the information that intelligent controller sends, it is simple to real
Time monitoring oil and gas pipes every terms of information, the safety of oil and gas pipes is monitored.
Detailed description of the invention two:
In conjunction with Fig. 1,2,3,4, present embodiment being described, described intelligent controller is computer.Computer receives sensor pair
Every detection signal of oil and gas pipes is analyzed calculating etc. and processes, by communication module remote transmission to monitor terminal.
Detailed description of the invention three:
In conjunction with Fig. 1,2,3,4, present embodiment being described, it is Brillouin optical time domain analysis instrument PPP-BOTDA that described light receives instrument.
The ultimate principle of BOTDA is: injects short light pulse and continuous probe light respectively from the two ends of optical fiber, is excited by measuring in optical fiber
The frequency change of Brillouin scattering, just can obtain the strain information of the axial each point of optical fiber.For obtaining higher spatial resolution,
Common means are to reduce pulsed light width, but, owing to exciting of phonon needs 28ns, chopped pulse optical width can be led simultaneously
Cause brillouin gain weakens the deterioration with spectrum morphology.New PPP-BOTDA technology, by changing the form of pump light,
Before the pulsed light measured sends, increase by one section of pre-pumping pulse ripple and excite phonon.Profit in this way, can obtain simultaneously
10cm spatial resolution and ± 0.0025% strain measurement precision.
Detailed description of the invention four:
In conjunction with Fig. 1,2,3,4, present embodiment being described, described sensor is distributed fiberoptic sensor.Based on coherent rayleigh
The distributed fiberoptic sensor of scattering, utilizes the optical fiber characteristic to vibration sensing, when extraneous vibration acts on sensor fibre,
Due to elasto-optical effect, the refractive index of optical fiber.Length will produce minor variations, thus in causing optical fiber, the phase place of transmission signal becomes
Change so that light intensity changes.The positional information of vibration signal can be obtained.
Detailed description of the invention five:
In conjunction with Fig. 1,2,3,4, present embodiment being described, described power module can use wind and solar hybrid generating system.Due to
Long-distance oil & gas pipeline is likely distributed in the place that comparison is remote, can to provide for monitoring system by wind and solar hybrid generating system
Electric energy, utilizes geographical conditions to make full use of solar energy and wind energy, it is ensured that energy supply.
Detailed description of the invention six:
Illustrate that present embodiment, described sensor constitute DAS system with signal processing module in conjunction with Fig. 1,2,3,4.DAS system
System generally uses the light-pulse generator that height is relevant, can interfere, when the external world shakes in pulse width regions between Rayleigh scattering signal
Moving can make the coherent rayleigh scattered signal intensity of this point change, before and after being vibrated by detection when causing phase place to change
The Strength Changes (differential signal) of Rayleigh scattering optical signal, the detection of vibration event can be realized, and be accurately positioned.With
Mach-Zehnder, Sagnac interferometer is compared, and DAS system only needs a core single-mode fiber, maximum distance of measuring up to 50 kilometers,
Within positioning precision ± 20 meter, and multiple affair can be realized detect simultaneously and position.Owing to long-distance oil & gas pipeline is likely distributed in
The most remote place, can to provide electric energy for monitoring system by wind and solar hybrid generating system, utilize geographical conditions abundant
Utilize solar energy and wind energy, it is ensured that energy supply.
The operation principle of this utility model a kind of long-distance oil & gas pipeline safety monitoring system is: this utility model one length is defeated
Oil-gas pipeline safety monitoring system uses distributed fiberoptic sensor, can obtain oil gas in real time according to sensor data acquisition system
Pipeline temperature along the line, strain, the status information such as vibration, by carrying out score with the historical data that stores in intelligent controller
Analysis and feature signal extraction and Intelligent Recognition, realize Pipeline Third-party Interference, pipe leakage, pipe sedimentation deformation and geology
Disasters etc. carry out early warning in advance, and when abnormal signal being detected, intelligent controller controls alarm module and carries out audio alert prompting,
Wherein alarm module uses Single-chip Controlling to drive, and suggestion content includes predicting time that event occurs in advance, place, event become
Gesture etc..Owing to long-distance oil & gas pipeline transmission range is long, so sending multiple intelligent controllers to prison by communication system
Control terminal realizes the total security monitoring to long-distance oil & gas pipeline.
Although this utility model is open as above with preferred embodiment, but it is not limited to this utility model, appoints
What person skilled in the art, without departing from spirit and scope of the present utility model, can do various change and modification, therefore
Protection domain of the present utility model should be with being as the criterion that claims are defined.
Claims (6)
1. a long-distance oil & gas pipeline safety monitoring system, it is characterised in that described long-distance oil & gas pipeline safety monitoring system bag
Include intelligent controller, alarm module, communication module, monitor terminal, power module, sensor, signal processing module, Guang Nayi,
Sensing optic cable, communications optical cable, described sensing optic cable is positioned on the outer wall of oil and gas pipes;Described sensing optic cable is connected to Communication ray
Cable;Described communications optical cable is connected to distributed sensor;Described communications optical cable is connected to Guang Nayi;The outfan of described sensor
It is connected to the input of signal processing module;The outfan of described signal processing module is connected to the input of intelligent controller;
Described light is received instrument and is connected to intelligent controller;The outfan of described power module is connected to the input of intelligent controller;Described
Communication module is connected to intelligent controller;Described monitor terminal is attached by communication module.
A kind of long-distance oil & gas pipeline safety monitoring system the most according to claim 1, it is characterised in that: described Based Intelligent Control
Device is computer.
A kind of long-distance oil & gas pipeline safety monitoring system the most according to claim 1, it is characterised in that: described light is received instrument and is
Brillouin optical time domain analysis instrument PPP-BOTDA.
A kind of long-distance oil & gas pipeline safety monitoring system the most according to claim 1, it is characterised in that: described sensor is
Distributed fiberoptic sensor.
A kind of long-distance oil & gas pipeline safety monitoring system the most according to claim 1, it is characterised in that: described power module
Wind and solar hybrid generating system can be used.
A kind of long-distance oil & gas pipeline safety monitoring system the most according to claim 1, it is characterised in that: described distributed biography
Sensor constitutes DAS system with signal processing module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620611681.XU CN205746047U (en) | 2016-06-20 | 2016-06-20 | A kind of long-distance oil & gas pipeline safety monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620611681.XU CN205746047U (en) | 2016-06-20 | 2016-06-20 | A kind of long-distance oil & gas pipeline safety monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205746047U true CN205746047U (en) | 2016-11-30 |
Family
ID=57383129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620611681.XU Expired - Fee Related CN205746047U (en) | 2016-06-20 | 2016-06-20 | A kind of long-distance oil & gas pipeline safety monitoring system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205746047U (en) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107120533A (en) * | 2017-06-06 | 2017-09-01 | 北京市燃气集团有限责任公司 | The intelligent pressure control method of the city gas pipeline operation under pressure positioned based on the Big Dipper |
CN107727226A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | The oil-gas pipeline safety detection method perceived based on optical fiber |
CN108253303A (en) * | 2018-01-16 | 2018-07-06 | 东莞新奥燃气有限公司 | A kind of monitoring of natural gas line and method for early warning and system |
CN108343844A (en) * | 2017-01-24 | 2018-07-31 | 中国石油化工股份有限公司 | A kind of Multi-parameter modularized oil-gas pipeline safety monitoring system and method |
CN108591839A (en) * | 2018-06-15 | 2018-09-28 | 钦州学院 | A kind of skyscraper natural gas standpipe security protection early warning system and method for early warning |
CN109729179A (en) * | 2019-03-14 | 2019-05-07 | 广东聚源管业实业有限公司 | A kind of pipeline conditions monitoring method and system |
CN109936636A (en) * | 2019-03-14 | 2019-06-25 | 广东聚源管业实业有限公司 | A kind of pipeline intrusion detection method and system |
CN110131486A (en) * | 2019-04-17 | 2019-08-16 | 北京百世通管道科技有限公司 | Optical fiber compound pipeline complex pipeline and its monitoring system and method for early warning |
CN110715175A (en) * | 2019-10-25 | 2020-01-21 | 兰州交通大学 | A intelligent monitoring oil and gas pipeline for frozen soil district |
CN110715613A (en) * | 2019-09-29 | 2020-01-21 | 广东聚源管业实业有限公司 | Underground pipeline surging monitoring system based on Brillouin scattering |
CN110715609A (en) * | 2019-09-27 | 2020-01-21 | 广东聚源管业实业有限公司 | Method and system for monitoring airflow surging state in pipeline based on Brillouin scattering |
CN110912605A (en) * | 2019-11-11 | 2020-03-24 | 中国人民解放军海军工程大学 | Safety monitoring and early warning device and method for optical cable or photoelectric composite cable |
CN111929001A (en) * | 2020-08-15 | 2020-11-13 | 廊坊开发区中油新星电信工程有限公司 | Optical cable pipeline safety early warning system |
US10975687B2 (en) | 2017-03-31 | 2021-04-13 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
US11053791B2 (en) | 2016-04-07 | 2021-07-06 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
US11098576B2 (en) | 2019-10-17 | 2021-08-24 | Lytt Limited | Inflow detection using DTS features |
US11162353B2 (en) | 2019-11-15 | 2021-11-02 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
US11199085B2 (en) | 2017-08-23 | 2021-12-14 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
US11199084B2 (en) | 2016-04-07 | 2021-12-14 | Bp Exploration Operating Company Limited | Detecting downhole events using acoustic frequency domain features |
US11333636B2 (en) | 2017-10-11 | 2022-05-17 | Bp Exploration Operating Company Limited | Detecting events using acoustic frequency domain features |
US11466563B2 (en) | 2020-06-11 | 2022-10-11 | Lytt Limited | Systems and methods for subterranean fluid flow characterization |
US11473424B2 (en) | 2019-10-17 | 2022-10-18 | Lytt Limited | Fluid inflow characterization using hybrid DAS/DTS measurements |
CN115479219A (en) * | 2022-09-20 | 2022-12-16 | 无锡科晟光子科技有限公司 | Intelligent pipeline state monitoring method and device and intelligent pipeline system |
US11593683B2 (en) | 2020-06-18 | 2023-02-28 | Lytt Limited | Event model training using in situ data |
US11643923B2 (en) | 2018-12-13 | 2023-05-09 | Bp Exploration Operating Company Limited | Distributed acoustic sensing autocalibration |
US11859488B2 (en) | 2018-11-29 | 2024-01-02 | Bp Exploration Operating Company Limited | DAS data processing to identify fluid inflow locations and fluid type |
-
2016
- 2016-06-20 CN CN201620611681.XU patent/CN205746047U/en not_active Expired - Fee Related
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11530606B2 (en) | 2016-04-07 | 2022-12-20 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
US11215049B2 (en) | 2016-04-07 | 2022-01-04 | Bp Exploration Operating Company Limited | Detecting downhole events using acoustic frequency domain features |
US11199084B2 (en) | 2016-04-07 | 2021-12-14 | Bp Exploration Operating Company Limited | Detecting downhole events using acoustic frequency domain features |
US11053791B2 (en) | 2016-04-07 | 2021-07-06 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
CN108343844A (en) * | 2017-01-24 | 2018-07-31 | 中国石油化工股份有限公司 | A kind of Multi-parameter modularized oil-gas pipeline safety monitoring system and method |
US10975687B2 (en) | 2017-03-31 | 2021-04-13 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
CN107120533B (en) * | 2017-06-06 | 2018-05-22 | 北京市燃气集团有限责任公司 | The intelligent pressure control method of city gas pipeline operation under pressure based on Big Dipper positioning |
CN107120533A (en) * | 2017-06-06 | 2017-09-01 | 北京市燃气集团有限责任公司 | The intelligent pressure control method of the city gas pipeline operation under pressure positioned based on the Big Dipper |
US11199085B2 (en) | 2017-08-23 | 2021-12-14 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
CN107727226A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | The oil-gas pipeline safety detection method perceived based on optical fiber |
US11333636B2 (en) | 2017-10-11 | 2022-05-17 | Bp Exploration Operating Company Limited | Detecting events using acoustic frequency domain features |
CN108253303A (en) * | 2018-01-16 | 2018-07-06 | 东莞新奥燃气有限公司 | A kind of monitoring of natural gas line and method for early warning and system |
CN108591839A (en) * | 2018-06-15 | 2018-09-28 | 钦州学院 | A kind of skyscraper natural gas standpipe security protection early warning system and method for early warning |
US11859488B2 (en) | 2018-11-29 | 2024-01-02 | Bp Exploration Operating Company Limited | DAS data processing to identify fluid inflow locations and fluid type |
US11643923B2 (en) | 2018-12-13 | 2023-05-09 | Bp Exploration Operating Company Limited | Distributed acoustic sensing autocalibration |
CN109729179A (en) * | 2019-03-14 | 2019-05-07 | 广东聚源管业实业有限公司 | A kind of pipeline conditions monitoring method and system |
CN109936636A (en) * | 2019-03-14 | 2019-06-25 | 广东聚源管业实业有限公司 | A kind of pipeline intrusion detection method and system |
CN110131486A (en) * | 2019-04-17 | 2019-08-16 | 北京百世通管道科技有限公司 | Optical fiber compound pipeline complex pipeline and its monitoring system and method for early warning |
CN110715609B (en) * | 2019-09-27 | 2021-01-01 | 广东聚源管业实业有限公司 | Method and system for monitoring airflow surging state in pipeline based on Brillouin scattering |
CN110715609A (en) * | 2019-09-27 | 2020-01-21 | 广东聚源管业实业有限公司 | Method and system for monitoring airflow surging state in pipeline based on Brillouin scattering |
CN110715613A (en) * | 2019-09-29 | 2020-01-21 | 广东聚源管业实业有限公司 | Underground pipeline surging monitoring system based on Brillouin scattering |
CN110715613B (en) * | 2019-09-29 | 2021-02-02 | 广东聚源管业实业有限公司 | Underground pipeline surging monitoring system based on Brillouin scattering |
US11473424B2 (en) | 2019-10-17 | 2022-10-18 | Lytt Limited | Fluid inflow characterization using hybrid DAS/DTS measurements |
US11098576B2 (en) | 2019-10-17 | 2021-08-24 | Lytt Limited | Inflow detection using DTS features |
CN110715175A (en) * | 2019-10-25 | 2020-01-21 | 兰州交通大学 | A intelligent monitoring oil and gas pipeline for frozen soil district |
CN110912605B (en) * | 2019-11-11 | 2022-01-25 | 中国人民解放军海军工程大学 | Safety monitoring and early warning device and method for optical cable or photoelectric composite cable |
CN110912605A (en) * | 2019-11-11 | 2020-03-24 | 中国人民解放军海军工程大学 | Safety monitoring and early warning device and method for optical cable or photoelectric composite cable |
US11162353B2 (en) | 2019-11-15 | 2021-11-02 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
US11466563B2 (en) | 2020-06-11 | 2022-10-11 | Lytt Limited | Systems and methods for subterranean fluid flow characterization |
US11593683B2 (en) | 2020-06-18 | 2023-02-28 | Lytt Limited | Event model training using in situ data |
CN111929001B (en) * | 2020-08-15 | 2022-07-08 | 廊坊开发区中油新星电信工程有限公司 | Optical cable pipeline safety early warning system |
CN111929001A (en) * | 2020-08-15 | 2020-11-13 | 廊坊开发区中油新星电信工程有限公司 | Optical cable pipeline safety early warning system |
CN115479219A (en) * | 2022-09-20 | 2022-12-16 | 无锡科晟光子科技有限公司 | Intelligent pipeline state monitoring method and device and intelligent pipeline system |
CN115479219B (en) * | 2022-09-20 | 2024-03-01 | 无锡科晟光子科技有限公司 | Intelligent pipeline state monitoring method, monitoring device and intelligent pipeline system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205746047U (en) | A kind of long-distance oil & gas pipeline safety monitoring system | |
CN101303788B (en) | Perimeter alarming method and system for implementing orientation of composite type complete optical fiber | |
CN101266024B (en) | Distributed optical fibre oil gas conveying pipeline early early-warning system based on polarization detection | |
CN103134432A (en) | Bridge displacement monitoring system based on optical fiber sensors | |
CN201191221Y (en) | Disturbance signal determination module of distributed optical fiber vibration sensor system | |
CN209325429U (en) | A kind of oil-gas pipeline leakage positioning system based on optical fiber | |
CN102900955A (en) | Pipeline leakage on-line monitoring device and method based on f fiber temperature detection | |
CN102635786A (en) | Online real-time monitoring system for an embedded delivery pipeline | |
CN104454007A (en) | Mine safety early warning system based on multi-fiber-core optical fibers | |
CN202532190U (en) | On-line real-time monitoring system of embedded conveying pipeline | |
CN208400590U (en) | A kind of electric power safety sensing optic cable | |
CN101299635B (en) | Apparatus and method for discriminating front and back of wide field complete-optical fiber disturbing signal | |
CN207246799U (en) | A kind of pipe leakage fibre-optical temperature sensing monitor | |
CN107389179A (en) | A kind of mine conveyer carrying roller malfunction monitoring positioning and warning device | |
CN114842603A (en) | High tension cable prevents outer broken monitoring and early warning system | |
CN102852556A (en) | Safety pre-warning system of mining equipment | |
CN204331954U (en) | A kind of precise positioning type optical fiber induction pre-alarm system | |
CN204680159U (en) | Optical fiber distributed type reservoir dam monitoring system | |
CN102647447A (en) | Online real-time monitoring system of novel pre-buried pipeline | |
CN207081479U (en) | A kind of mine conveyer carrying roller malfunction monitoring positioning and warning device | |
CN103498790B (en) | Based on group of pump state monitoring method and the device of optical fiber grating sensing | |
CN202600875U (en) | Defence-area optical fiber perimeter protection pre-warning system | |
CN210667129U (en) | Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system | |
CN104236750A (en) | Oil-gas pipeline safety monitoring system and method and distributed remote monitoring system | |
CN105114815A (en) | Monitoring early-warning system for underground oil and gas pipeline |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170620 |
|
CF01 | Termination of patent right due to non-payment of annual fee |