CN207962115U - Long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS - Google Patents
Long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS Download PDFInfo
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- CN207962115U CN207962115U CN201820220789.5U CN201820220789U CN207962115U CN 207962115 U CN207962115 U CN 207962115U CN 201820220789 U CN201820220789 U CN 201820220789U CN 207962115 U CN207962115 U CN 207962115U
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Abstract
The long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS that the utility model is related to a kind of, the LAN that is laid with parallel including several embedded DTS systems, with long-distance oil ＆ gas pipeline, the temperature sensing optical cable being connected with embedded DTS system, the monitoring center for LAN being communicated and being monitored embedded DTS system, several embedded DTS systems be uniformly distributed in above long-distance oil ＆ gas pipeline and the temperature sensing optical cable of adjacent embedded DTS system there are temperature monitoring overlapping regions.The utility model has the beneficial effects that building for a wide range of linear optical fiber temperature sensing network of large capacity can be realized, the applicability in the leakage monitoring of long distance oil-gas pipeline is improved.
Description
Technical field
The utility model belongs to temperature sensor technology field more particularly to a kind of long oil/gas pipe based on embedded DTS
Channel temp monitoring network system.
Background technology
Long distance oil-gas feed-line in China's has reached hundreds thousand of kilometers at present, and the oil-gas pipeline maintenance of such scale also promotes
The development of related monitoring technology, wherein the distribution type fiber-optic leakage monitoring system based on Fibre Optical Sensor principle is multiple at home
Carry out pilot in project to apply and achieve good effect.Fibre optical sensor with its intrinsic safety, passive, anti-electromagnetism is dry
Disturb, heatproof, pressure resistance, the good characteristics such as corrosion-resistant and its linear distribution formula large capacity measure feature, make it in long oil/gas pipe
There are exclusive applicability and huge advantage in road monitoring field.
Oil-gas transportation pipe network generally has a distance, the features such as environment is various, and the optical cable being laid with ditch with pipeline is often
It is to be established with meeting periodic traffic demand, it is not ideal in optical fiber attenuation control aspect.According to statistics, the spacing of point defeated station
Distributed optical fiber temperature sensing system (hereinafter referred to as DTS) from generally between 30km to 60km, and currently on the market is general
Using multimode fibre as sensor, distance sensing is generally in 30km hereinafter, cannot or be difficult to meet most Monitoring Pinpelines site of deployment
Demand.
Distributing optical fiber sensing network is set up with science in addition, how to rationally design, to meet letting out for several hundred kilometers range
Leak seamless monitoring requirements, and problem in the urgent need to address in engineer application at present.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides the long-distance oil ＆ gas pipeline temperature based on embedded DTS
Monitoring network system improves long distance oil-gas pipe, it can be achieved that a wide range of linear optical fiber temperature sensing network of large capacity is built
Applicability in the leakage monitoring in road.
The technical solution of the utility model is：
Long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS, including several embedded DTS systems, with
LAN that long-distance oil ＆ gas pipeline is laid with parallel, the temperature sensing optical cable being connected with embedded DTS system, communicated with LAN and
Monitor the monitoring center of embedded DTS system, several embedded DTS systems are uniformly distributed in above long-distance oil ＆ gas pipeline,
And there are temperature monitoring overlapping regions for the temperature sensing optical cable of adjacent embedded DTS system.
Compared to the prior art, this programme is based on DTS and LAN, has built point applied to long distance pipeline leakage monitoring
Cloth fiber temperature sensing system.There are temperature measurement result drifting problems, thus the technical program to set for DTS long-term works distal end
Counted Temperature-control Monitoring overlapping region, overlapping region be all for the DTS of its both sides the end of monitoring range, i.e. signal most
Weak, the least ideal region of thermometric effect.By the mutual correction of overlapping region temperature measurement data, make entire optical fiber sensing monitoring net
Network work is more stable and reliable.In the technical program, each embedded DTS system can be used as remote-terminal unit (RTU)
It realizes independent temperature sensing data acquisition and uploading operation, and a wide range of sensor monitoring network is rapidly completed by LAN
It sets up, realizes the foundation of several hundred kilometers range distribution type fiber-optic leakage platform.Due to its installation and access convenience, it is not needed
His ancillary equipment and peripheral hardware are particularly suitable for the expansion of sensing network and the maintenance in later stage.
Based on said program, the utility model is also made that following improvement：
The embedded DTS system is single-mode system.In this improvement project, what single mode DTS system was laid with pipeline with ditch
Temperature sensing optical cable is as sensing unit.By the application of embedded DTS, the convenience of system building and extension is increased, due to not
Additional equipment and peripheral hardware are needed, it is made to be more convenient for replacing and safeguard.
The embedded DTS system uses binary channels.Binary channels is for the temperature at left and right sides of equipment in this improvement project
Monitoring, can greatly expand individual equipment monitoring range, system monitoring length is made to increase to 40km to 60km.
Temperature data integrated treatment of the monitoring center to temperature monitoring overlapping region.This improvement project may be implemented pair
Automatically correcting for entire sensor-based system thermometric remote data, increases the long-term running reliability of system.
Description of the drawings
Fig. 1 is the utility model principle structural schematic diagram.
In figure, 1, embedded DTS system；2, long-distance oil ＆ gas pipeline；3, LAN；4, temperature sensing optical cable；5, monitoring center；
6, overlapping region.
Specific implementation mode
As shown in Figure 1, a kind of long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS, including it is several embedding
Enter formula DTS system 1, the LAN 3 being laid with parallel with long-distance oil ＆ gas pipeline 2, the temperature sensing optical cable being connected with embedded DTS system 1
4, the monitoring center of embedded DTS system is communicated and monitored with LAN 3, and several embedded DTS systems uniformly divide
Being distributed in the temperature sensing optical cable 4 of the top of long-distance oil ＆ gas pipeline 2 and adjacent embedded DTS system 1, there are temperature monitoring overlapping regions 6.
The embedded DTS system is single mode dual channel system.The monitoring center is comprehensive to the temperature data of temperature monitoring overlapping region 6
Conjunction is handled.
Long distance pipeline temperature monitoring system workflow based on embedded DTS system 1 is as follows：
For single embedded DTS system 1, embedded DTS system 1 sends excitation light pulse signal to temperature sensing optical cable 4, light
Pulse will produce Raman scattering in temperature sensing optical cable 4 in transmission process, in position all directions it can all occur for Raman scattering
Intensity is thermally sensitive, wherein the Raman scattering signal for carrying temperature field information reverse transfers will be reversed along sensor fibre
It is transmitted to embedded DTS system 1, embedded DTS system 1 detects and acquires the Raman scattering signal for carrying temperature information, into
Row pretreatment and data are packaged, and are sent to monitoring center 5 by LAN 3, data will be completed to temperature sensing optical cable in monitoring center 5
Demodulation of thermo parameters method information along 5, the platform displaying based on GIS, the auxiliary information displaying based on depth data analysis and
Emergency management and rescue guidance etc..
The technical program illustrates building for sensing network for fiber temperature sensing system in a distributed manner, but is not limited to
This, other distributing optical fiber sensing networks based on this programme framework (including：Distributed optical fiber vibration sensing system DVS, distribution
Formula fiber optic temperature and strain sensing system DTSS etc.) build also within the scope of this patent.
Claims (4)
1. the long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS, including several embedded DTS systems and length
LAN that oil and gas pipeline is laid with parallel, the temperature sensing optical cable being connected with embedded DTS system are communicated and are supervised with LAN
Control the monitoring center of embedded DTS system, it is characterised in that：Several embedded DTS systems are uniformly distributed in long oil transportation gas
There are temperature monitoring overlapping regions for the temperature sensing optical cable of pipeline top and adjacent embedded DTS system.
2. long-distance oil ＆ gas pipeline temperature monitoring network system according to claim 1, it is characterised in that：It is described embedded
DTS system is single-mode system.
3. long-distance oil ＆ gas pipeline temperature monitoring network system according to claim 1, it is characterised in that：It is described embedded
DTS system uses binary channels.
4. long-distance oil ＆ gas pipeline temperature monitoring network system according to claim 1, it is characterised in that：The monitoring center
Temperature data integrated treatment to temperature monitoring overlapping region.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220789.5U CN207962115U (en) | 2018-02-07 | 2018-02-07 | Long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820220789.5U CN207962115U (en) | 2018-02-07 | 2018-02-07 | Long-distance oil ＆ gas pipeline temperature monitoring network system based on embedded DTS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140250A (en) * | 2018-11-01 | 2019-01-04 | 重庆大学 | Gas-liquid transport pipeline leakage point on-line monitoring system based on distributing optical fiber sensing |
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2018
- 2018-02-07 CN CN201820220789.5U patent/CN207962115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140250A (en) * | 2018-11-01 | 2019-01-04 | 重庆大学 | Gas-liquid transport pipeline leakage point on-line monitoring system based on distributing optical fiber sensing |
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