CN205640252U - A optical fiber detection leakage system for regional normal atmospheric temperature fluid pipeline - Google Patents
A optical fiber detection leakage system for regional normal atmospheric temperature fluid pipeline Download PDFInfo
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- CN205640252U CN205640252U CN201620405160.9U CN201620405160U CN205640252U CN 205640252 U CN205640252 U CN 205640252U CN 201620405160 U CN201620405160 U CN 201620405160U CN 205640252 U CN205640252 U CN 205640252U
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Abstract
The utility model discloses an optical fiber detection leakage system for regional normal atmospheric temperature fluid pipeline, including surveying vibration sensing optic fibre, optic system, photoelectric conversion system and signal processing system, when the optical cable sensor received extraneous vibration or pressure influence, the partial characteristic of transmission light will change in the optical cable, and through signal acquisition and analysis, the characteristic that just can detect light changes. The utility model discloses the continuous wavelength of utilization on fiber length distributes, if there is regional normal atmospheric temperature fluid pipeline leakage point, then the pipeline leakage point takes place the wavelength change, therefore the position through surveying measurable pipeline leakage point of vibration sensing optic fibre.
Description
Technical field
This utility model relates to inspection leakage device field, specifically, is related specifically to a kind of fiber-optic vibration for region room temperature fluid line and detects leaking substance.
Background technology
Current region room temperature fluid-duct-system there is no convenient ripe pipeline leak detection method, the most direct buried pipeline.
Existing regions room temperature fluid-transporting tubing leak detection method of testing includes robot detection, noise measuring etc., but the aspect problem such as testing cost, adaptability there is no and has been resolved well.
And the environmental disruption that the leak detection test of region room temperature pipeline is directly connected to the loss of pipeline transmission capacity and fluid seepage causes, therefore in the urgent need to developing leak detection system convenient, efficient, reliable.
Utility model content
For deficiency of the prior art, it is provided that a kind of fiber laser arrays leaking substance for region room temperature fluid-transporting tubing, to solve the problems referred to above.
To achieve these goals, this utility model provides a kind of:
Fiber laser arrays leaking substance for region room temperature fluid-transporting tubing, it is characterised in that: include that sensor fibre, light path system, photo-translating system and signal processing system are moved in vibration measuring;
Described vibration measuring is moved sensor fibre and is arranged along the helically wound shape in room temperature fluid line surface, region, and it is connected with the input of light path system, for the information with light characteristic is transferred to light path system;
The outfan of described light path system is connected with photo-translating system, for extracting the transmission feature information of light, and is transmitted to photo-translating system;
The outfan of described photo-translating system is connected with signal processing system, the characteristic information of light is converted into the signal of telecommunication, and is sent to signal processing system;
Described signal processing system utilizes the signal of telecommunication to obtain continuous print feature distribution on fiber lengths.
This utility model utilizes the continuous wavelength distribution on fiber lengths, if having region room temperature fluid-transporting tubing leakage point, then pipe leakage point generation wavelength change, moving sensor fibre thereby through vibration measuring and can measure the position of pipe leakage point.
When optical cable sensor is by extraneous vibration or pressure influence, the part of properties transmitting light in optical cable will change, by configuring special sensor device, through signal collection and analysis, characteristic (i.e. decay, phase place, wavelength, polarization, mode distributions and the propagation time) change of light just can be detected.Signal processing system utilizes the signal of telecommunication to obtain continuous print Wavelength distribution on fiber lengths.
Compared with prior art, the beneficial effects of the utility model are as follows:
By using optical fiber sensing technology, sense distribution technique feature by optical fiber seriality, sensing technology is organically combined with pipeline leak detection technology, reaches accurately to measure, improve the feature of system detection reliability.
Feature of the present utility model see graphic and the most preferably embodiment the detailed description of this case and obtains and be well understood to.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, this utility model is expanded on further below in conjunction with specific embodiment.
See Fig. 1, for the fiber laser arrays leaking substance of region room temperature fluid-transporting tubing, move sensor fibre 20, light path system 30, photo-translating system 40 and signal processing system 50 including vibration measuring;
Vibration measuring is moved sensor fibre 20 and is arranged along the helically wound shape in room temperature fluid line 10 surface, region, and it is connected with the input of light path system 30, for the information with light characteristic is transferred to light path system;Being provided with valve on region room temperature fluid line 10, at the pipeline of valve both sides, sensor fibre is moved in a few circle vibration measurings of many windings in advance, with the problem avoiding moving the shorter inconvenient replacing valve of sensor fibre due to vibration measuring.
The outfan of light path system 30 is connected with photo-translating system 40, for extracting the transmission feature information of light, and is transmitted to photo-translating system;
The outfan of photo-translating system 40 is connected with signal processing system 50, the characteristic information of light is converted into the signal of telecommunication, and is sent to signal processing system;
Signal processing system utilizes the signal of telecommunication to obtain continuous print feature distribution on fiber lengths.
When optical cable sensor is by extraneous vibration or pressure influence, the part of properties transmitting light in optical cable will change, by configuring special sensor device, through signal collection and analysis, characteristic (i.e. decay, phase place, wavelength, polarization, mode distributions and the propagation time) change of light just can be detected.Signal processing system utilizes the signal of telecommunication to obtain continuous print Wavelength distribution on fiber lengths.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; simply principle of the present utility model described in above-described embodiment and description; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the range of claimed this utility model.The protection domain that this utility model requires is defined by appending claims and equivalent thereof.
Claims (1)
1. for the fiber laser arrays leaking substance of region room temperature fluid-transporting tubing, it is characterised in that: include that vibration measuring is moved vibration measuring and moved sensor fibre, light path system, photo-translating system and signal processing system;
Described vibration measuring is moved sensor fibre and is arranged along the helically wound shape in room temperature fluid line surface, region, and it is connected with the input of light path system, for the information with light characteristic is transferred to light path system;
The outfan of described light path system is connected with photo-translating system, for extracting the transmission feature information of light, and is transmitted to photo-translating system;
The outfan of described photo-translating system is connected with signal processing system, the characteristic information of light is converted into the signal of telecommunication, and is sent to signal processing system;
Described signal processing system utilizes the signal of telecommunication to obtain continuous print feature distribution on fiber lengths.
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CN201620405160.9U CN205640252U (en) | 2016-05-06 | 2016-05-06 | A optical fiber detection leakage system for regional normal atmospheric temperature fluid pipeline |
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CN201620405160.9U CN205640252U (en) | 2016-05-06 | 2016-05-06 | A optical fiber detection leakage system for regional normal atmospheric temperature fluid pipeline |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644276A (en) * | 2017-01-11 | 2017-05-10 | 唐山市神州科贸有限公司 | Monitoring system for detecting tank leakage by utilizing distributed optical fiber |
CN110410679A (en) * | 2019-07-15 | 2019-11-05 | 无锡必创传感科技有限公司 | A kind of kerosene induction optical fiber and kerosene leakage monitoring system |
US11754225B2 (en) | 2021-03-16 | 2023-09-12 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
US11752472B2 (en) | 2019-12-30 | 2023-09-12 | Marathon Petroleum Company Lp | Methods and systems for spillback control of in-line mixing of hydrocarbon liquids |
US11774990B2 (en) | 2019-12-30 | 2023-10-03 | Marathon Petroleum Company Lp | Methods and systems for inline mixing of hydrocarbon liquids based on density or gravity |
US11794153B2 (en) | 2019-12-30 | 2023-10-24 | Marathon Petroleum Company Lp | Methods and systems for in-line mixing of hydrocarbon liquids |
US11808013B1 (en) | 2022-05-04 | 2023-11-07 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
US11807945B2 (en) | 2021-08-26 | 2023-11-07 | Marathon Petroleum Company Lp | Assemblies and methods for monitoring cathodic protection of structures |
US11815227B2 (en) | 2021-03-16 | 2023-11-14 | Marathon Petroleum Company Lp | Scalable greenhouse gas capture systems and methods |
-
2016
- 2016-05-06 CN CN201620405160.9U patent/CN205640252U/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644276A (en) * | 2017-01-11 | 2017-05-10 | 唐山市神州科贸有限公司 | Monitoring system for detecting tank leakage by utilizing distributed optical fiber |
CN110410679A (en) * | 2019-07-15 | 2019-11-05 | 无锡必创传感科技有限公司 | A kind of kerosene induction optical fiber and kerosene leakage monitoring system |
US11752472B2 (en) | 2019-12-30 | 2023-09-12 | Marathon Petroleum Company Lp | Methods and systems for spillback control of in-line mixing of hydrocarbon liquids |
US11774990B2 (en) | 2019-12-30 | 2023-10-03 | Marathon Petroleum Company Lp | Methods and systems for inline mixing of hydrocarbon liquids based on density or gravity |
US11794153B2 (en) | 2019-12-30 | 2023-10-24 | Marathon Petroleum Company Lp | Methods and systems for in-line mixing of hydrocarbon liquids |
US11754225B2 (en) | 2021-03-16 | 2023-09-12 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
US11774042B2 (en) | 2021-03-16 | 2023-10-03 | Marathon Petroleum Company Lp | Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel |
US11815227B2 (en) | 2021-03-16 | 2023-11-14 | Marathon Petroleum Company Lp | Scalable greenhouse gas capture systems and methods |
US11988336B2 (en) | 2021-03-16 | 2024-05-21 | Marathon Petroleum Company Lp | Scalable greenhouse gas capture systems and methods |
US11807945B2 (en) | 2021-08-26 | 2023-11-07 | Marathon Petroleum Company Lp | Assemblies and methods for monitoring cathodic protection of structures |
US11808013B1 (en) | 2022-05-04 | 2023-11-07 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
US11965317B2 (en) | 2022-05-04 | 2024-04-23 | Marathon Petroleum Company Lp | Systems, methods, and controllers to enhance heavy equipment warning |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210506 |