CN117890959A - Buried pipeline route detection device and application method thereof - Google Patents
Buried pipeline route detection device and application method thereof Download PDFInfo
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- CN117890959A CN117890959A CN202410283602.6A CN202410283602A CN117890959A CN 117890959 A CN117890959 A CN 117890959A CN 202410283602 A CN202410283602 A CN 202410283602A CN 117890959 A CN117890959 A CN 117890959A
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 123
- 230000001133 acceleration Effects 0.000 claims abstract description 75
- 230000003287 optical effect Effects 0.000 claims abstract description 33
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 25
- 238000009933 burial Methods 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000644 propagated effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 206010019233 Headaches Diseases 0.000 abstract description 4
- 231100000869 headache Toxicity 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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Abstract
The invention provides a buried pipeline route detection device and a use method thereof, wherein the device comprises the following steps: the portable optical fiber vibration signal demodulator comprises an optical fiber acceleration sensor, a portable optical fiber vibration signal demodulator, a nonmetal optical cable connecting the sensor and the demodulator and a vibration signal generator; the optical fiber acceleration sensor is arranged on the outer wall of a pipeline with a known pipeline route; the optical fiber acceleration sensor is connected with the portable optical fiber vibration signal demodulator through a nonmetal optical cable; the vibration signal generator is used for manufacturing ground vibration signals. When detecting the pipeline, the vibration generator is adopted to strike the ground from the pipe section with the known position to the unknown direction, the area with the signal is the approximate routing direction of the pipeline, the vibration generator is used to strike the ground in different directions in the area, the accurate position of the pipeline is right below the strongest signal, and then the optical fiber acceleration sensor is installed on the pipe section with the detected position, so that the operation is repeated. The invention can well solve the problem of non-metal pipeline route detection of industry headache.
Description
Technical Field
The invention relates to the technical field of buried pipeline detection, in particular to a buried pipeline route detection device and a use method thereof.
Background
Buried pipelines are invisible and various pipelines are crisscrossed underground; due to early surveys, designs, construction, completion data loss, or ground environment, building changes, it is a major problem how to accurately determine the routing of an existing buried pipeline in order to avoid damage to the pipeline when new pipeline burial or subsurface engineering construction is performed.
Pipeline route detection technology generally adopts a metal detector aiming at metal pipelines. The method has the defect of poor effect on areas with large buried depth ratio or serious interference of geomagnetic field, underground stray current and power frequency signals. For nonmetallic pipelines, the most advanced method is to construct a signal source with fixed frequency on the pipeline of a pipeline section which can be utilized on the ground, and then find the pipeline along the signal by adopting a frequency receiving instrument on the ground. The attenuation of the conduction signal of the operation and maintenance nonmetallic pipeline is large, so that the distance of a single detectable pipeline is short, and if a pipeline which can be used for applying fixed frequency cannot be found, the problem that the pipeline route cannot be detected is caused; the technical process is complicated, when the environment which cannot be accessed by workers such as paddy fields, occupied pipelines of buildings and the like is met, the workers cannot continuously detect the environment downstream, the working time of the workers is long, the labor intensity is high, and the working efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a buried pipeline route detection device and a use method thereof.
In order to achieve the above object, the present invention provides the following solutions:
a buried pipeline route detection device, comprising: the portable optical fiber vibration signal demodulator comprises an optical fiber acceleration sensor, a portable optical fiber vibration signal demodulator, a nonmetal optical cable and a vibration signal generator, wherein the nonmetal optical cable is connected with the optical fiber acceleration sensor and the portable optical fiber vibration signal demodulator;
the vibration signal generator is used for applying different vibration intensities according to different pipeline burial depths; the optical fiber acceleration sensor is provided with a sucker and is arranged on the outer wall of a pipeline in a pipeline well or a pipeline with a known route; one end of the nonmetal optical cable is welded with an optical fiber acceleration sensor, and the other end of the nonmetal optical cable is welded with the portable optical fiber vibration signal demodulator; the sampling frequency of the optical fiber acceleration sensor is adjustable between 1 Hz and 20000Hz, and the optical fiber acceleration sensor is used for collecting optical signals converted from the vibration signals propagated along the pipeline wall and the medium in the pipeline; the nonmetallic optical cable is used for transmitting the optical signal; the response frequency of the portable optical fiber vibration signal demodulator is between 1 and 20000Hz, and the portable optical fiber vibration signal demodulator is used for demodulating the optical signals acquired by the optical fiber acceleration sensor so as to judge the position of the pipeline.
Preferably, the optical fiber acceleration sensor is fixedly connected with the outer wall of the pipeline through the sucker; the sensitivity of the optical fiber acceleration sensor supports that the length of a single unidirectional detection metal pipeline route is larger than 1250m, and the length of a single unidirectional detection nonmetal pipeline route is larger than 200m.
Preferably, the sensitivity of the optical fiber acceleration sensor supports that the whole detection device detects the buried depth of the buried pipeline by more than 5 meters.
Preferably, the number of the optical fiber acceleration sensors is at least 1.
Preferably, the nonmetal optical cable adopts high-strength carbon fiber or aramid yarn parallel to the optical fiber sleeve as a tensile element, and the core number of the optical fiber is +2 of the optical fiber acceleration sensors which are actually required to be connected.
Preferably, the portable optical fiber vibration signal demodulator finds a pipeline route with a large burial depth by receiving a low-frequency signal.
The application method of the buried pipeline route detection device comprises the following steps:
the optical fiber acceleration sensor is arranged on the outer wall of a pipeline of a known pipeline route through a sucker;
one end of the optical fiber in the nonmetal optical cable is welded with the optical fiber of the optical fiber acceleration sensor, and the other end of the optical fiber is welded with the optical fiber of the portable optical fiber vibration signal demodulator;
collecting vibration signals transmitted along the pipeline wall and a medium in the pipeline when the vibration signal generator knocks the ground by using an optical fiber acceleration sensor, demodulating the vibration signals by using a portable optical fiber vibration signal demodulator, and judging that the buried pipeline is near the knocking position if the vibration signals are collected when the vibration signal generator knocks the ground; the position below the position with the strongest vibration signal is the accurate position of the pipeline; burying an optical fiber acceleration sensor into a pipeline within a general routing range, knocking the pipeline at a known pipeline, and determining the accurate position of the pipeline below the optical fiber acceleration sensor with the strongest signal;
for pipelines with different burial depths, the intensity of knocking the ground is adjusted to detect the pipelines, and the numerical value of the burial depth is positively related to the numerical value of the knocking force; and measuring pipeline buried depth data by measuring the depth of a pipeline well and/or excavating, and inputting the buried depth data of each pipeline into a three-dimensional GIS system of the pipeline so as to display the three-dimensional geographic information of the buried pipeline.
Preferably, if the soil composition of the position of the vibration generator is close, the pipe burial depth is determined according to the attenuation degree of the vibration signal.
Preferably, in order to quickly find the accurate route of the pipeline under the condition of determining the approximate route of the pipeline, a plurality of optical fiber acceleration sensors are simultaneously and equidistantly arranged in the direction perpendicular to the pipeline in the approximate route range of the pipeline, a vibration signal generator is adopted to strike the pipeline, and the sensor which acquires stronger vibration signals is closer to the pipeline;
and a plurality of optical fiber acceleration sensors are equidistantly arranged near the optical fiber acceleration sensor with the strongest signal so as to quickly find the position with the strongest signal, wherein the lower part of the position is the accurate position of the pipeline.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a buried pipeline route detection device and a use method thereof, wherein the device comprises the following components: an optical fiber acceleration sensor and a portable optical fiber vibration signal demodulator; the optical fiber acceleration sensor is arranged on the outer wall of a pipeline with a known pipeline route; the optical fiber acceleration sensor is connected with the portable optical fiber vibration signal demodulator; the optical fiber acceleration sensor is used for collecting vibration signals of the pipeline wall; the portable optical fiber vibration signal demodulator is used for demodulating the vibration signal to obtain the signal intensity. The optical fiber acceleration sensor is adopted, so that the interference of electromagnetic signals in various environments is avoided; the method is particularly used for detecting nonmetallic pipelines with headache in the industry, and compared with the traditional technology, the method greatly reduces the detection difficulty.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device according to an embodiment of the present invention;
reference numerals illustrate:
1-an optical fiber acceleration sensor; 2-portable optical fiber signal demodulator, 3-nonmetal optical cable.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a buried pipeline route detection device and a use method thereof, wherein an optical fiber acceleration sensor is adopted, so that the interference of electromagnetic signals in various environments is avoided; the method is particularly used for detecting nonmetallic pipelines with headache in the industry, and compared with the traditional technology, the method greatly reduces the detection difficulty.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 is a schematic structural diagram of a device provided in an embodiment of the present invention, and as shown in fig. 1, the present invention provides a buried pipeline route detection device, including: an optical fiber acceleration sensor 1, a portable optical fiber vibration signal demodulator 2, and a nonmetal optical cable 3 and a vibration signal generator which connect the optical fiber acceleration sensor 1 and the portable optical fiber vibration signal demodulator 2; the vibration signal generator is used for applying different vibration intensities according to different pipeline burial depths; the optical fiber acceleration sensor 1 is provided with a sucker and is arranged on the outer wall of a pipeline in a pipeline well or a pipeline with a known route; one end of the nonmetal optical cable 3 is welded with the optical fiber acceleration sensor 1, and the other end of the nonmetal optical cable 3 is welded with the portable optical fiber vibration signal demodulator 2; the sampling frequency of the optical fiber acceleration sensor 1 is adjustable between 1 Hz and 20000Hz, and the optical fiber acceleration sensor 1 is used for collecting optical signals converted from the vibration signals propagated along the pipeline wall and the medium in the pipeline; the nonmetallic optical cable 3 is used for transmitting the optical signal; the response frequency of the portable optical fiber vibration signal demodulator 2 is between 1 and 20000Hz, and the portable optical fiber vibration signal demodulator 2 is used for demodulating the optical signals collected by the optical fiber acceleration sensor 1 so as to judge the position of the pipeline.
Specifically, the optical fiber acceleration sensor 1 is fixedly connected with the outer wall of the pipeline through the sucker; the sensitivity of the optical fiber acceleration sensor 1 supports that the length of a single unidirectional detection metal pipeline route is larger than 1250m, and the length of a single unidirectional detection nonmetal pipeline route is larger than 200m.
Optionally, the sensitivity of the optical fiber acceleration sensor 1 supports that the entire detection device detects the buried depth of the buried pipeline by more than 5 meters.
Further, the number of the optical fiber acceleration sensors 1 is at least 1.
Specifically, in order to quickly find the accurate route of the pipeline under the condition that the approximate route of the pipeline is guided, a plurality of optical fiber acceleration sensors can be simultaneously and equidistantly arranged in the direction perpendicular to the pipeline in the approximate route range of the pipeline, the pipeline is knocked by adopting a vibration signal generator, and the sensor which acquires stronger vibration signals is closer to the pipeline. According to the method, a plurality of optical fiber acceleration sensors are equidistantly arranged near the sensor with the strongest signal, so that the position with the strongest signal can be quickly found, and the accurate position of the pipeline is below the position.
Furthermore, the nonmetal optical cable 3 adopts high-strength carbon fiber or aramid yarn parallel to the optical fiber sleeve as a tensile element, and the core number of the optical fiber is the acceleration number +2 of the optical fiber which is actually required to be connected.
In addition, the portable optical fiber vibration signal demodulator 2 finds a pipeline route of a large burial depth by receiving a low frequency signal.
Specifically, the invention adopts the principle that the optical fiber acceleration sensor 11 measures the micro vibration of the pipeline, the optical fiber acceleration sensor is arranged on the outer wall of the pipeline of the known pipeline route, the portable optical fiber vibration signal demodulator 22 is connected, the ground is knocked along the unknown route of the known pipeline section along the way to the distance, and the strength of the knocking signal is received by the signal demodulator to determine the route of the pipeline: the direction of the knocking signal is the route of the pipeline, and the place with the strongest knocking signal is the position right above the pipeline.
The application method of the buried pipeline route detection device comprises the following steps:
the optical fiber acceleration sensor is arranged on the outer wall of a pipeline of a known pipeline route through a sucker;
one end of the optical fiber in the nonmetal optical cable is welded with the optical fiber of the optical fiber acceleration sensor, and the other end of the optical fiber is welded with the optical fiber of the portable optical fiber vibration signal demodulator;
collecting vibration signals transmitted along the pipeline wall and a medium in the pipeline when the vibration signal generator knocks the ground by using an optical fiber acceleration sensor, demodulating the vibration signals by using a portable optical fiber vibration signal demodulator, and judging that the buried pipeline is near the knocking position if the vibration signals are collected when the vibration signal generator knocks the ground; the position below the position with the strongest vibration signal is the accurate position of the pipeline;
for pipelines with different burial depths, the intensity of knocking the ground is adjusted to detect the pipelines, and the numerical value of the burial depth is positively related to the numerical value of the knocking force; and measuring pipeline buried depth data by measuring the depth of a pipeline well and/or excavating, and inputting the buried depth data of each pipeline into a three-dimensional GIS system of the pipeline so as to display the three-dimensional geographic information of the buried pipeline.
Preferably, if the soil composition of the position of the vibration generator is close, the pipe burial depth is determined according to the attenuation degree of the vibration signal.
The vibration signal generator in this embodiment is illustratively powered by a battery connected thereto.
Preferably, the fiber optic acceleration sensor is bought into the approximate routing range of the pipeline, the pipeline is knocked at the known pipeline, and the position below the fiber optic acceleration sensor with the strongest signal is the accurate position of the pipeline.
The beneficial effects of the invention are as follows:
1. and the detection difficulty is reduced. The optical fiber acceleration sensor is adopted, so that the interference of electromagnetic signals in various environments is avoided; the method is particularly used for detecting nonmetallic pipelines for headache in the industry, and compared with the traditional technology, the method greatly reduces the detection difficulty;
2. the detection efficiency is greatly improved. Because the technology collects vibration intensity signals transmitted along the pipeline, the efficiency of the metal pipeline wall on the striking signal transmission is very high and can reach about 1250 meters, if the pipeline working pressure is large and the pipe diameter is small, the pipeline can be transmitted farther, namely the single detectable pipeline is longer, and even if the pipeline is a nonmetallic pipeline, the single detectable distance is at least more than 200 meters;
3. the pipe leakage can be found at the same time. The optical fiber acceleration sensor is highly sensitive, if the pipeline is leaked due to the existence of pressure in the pipeline, micro vibration occurs on the wall of the pipeline, the medium rubs with the wall of the pipeline, vibration is also generated, and abnormal vibration signals are acquired by the system, so that leakage is found;
4. the safety is high. The optical fiber acceleration sensor is passive and intrinsically safe; as long as the demodulator is arranged far away from the pipeline through the nonmetal optical cable, the system can be ensured not to cause explosion in case of inflammable and explosive leakage of fuel gas and the like. In addition, because the distance measured by a worker at a time is long, the time of the worker near the pipeline is relatively short, and the safety coefficient can be improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (9)
1. A buried pipeline route detection device, comprising: the portable optical fiber vibration signal demodulator comprises an optical fiber acceleration sensor, a portable optical fiber vibration signal demodulator, a nonmetal optical cable and a vibration signal generator, wherein the nonmetal optical cable is connected with the optical fiber acceleration sensor and the portable optical fiber vibration signal demodulator;
the vibration signal generator is used for applying different vibration intensities according to different pipeline burial depths; the optical fiber acceleration sensor is provided with a sucker and is arranged on the outer wall of a pipeline in a pipeline well or a pipeline with a known route; one end of the nonmetal optical cable is welded with an optical fiber acceleration sensor, and the other end of the nonmetal optical cable is welded with the portable optical fiber vibration signal demodulator; the sampling frequency of the optical fiber acceleration sensor is adjustable between 1 Hz and 20000Hz, and the optical fiber acceleration sensor is used for collecting optical signals converted from the vibration signals propagated along the pipeline wall and the medium in the pipeline; the nonmetallic optical cable is used for transmitting the optical signal; the response frequency of the portable optical fiber vibration signal demodulator is between 1 and 20000Hz, and the portable optical fiber vibration signal demodulator is used for demodulating the optical signals acquired by the optical fiber acceleration sensor so as to judge the position of the pipeline.
2. The buried pipeline route detection device according to claim 1, wherein the optical fiber acceleration sensor is fixedly connected with the outer wall of the pipeline through the sucker; the sensitivity of the optical fiber acceleration sensor supports that the length of a single unidirectional detection metal pipeline route is larger than 1250m, and the length of a single unidirectional detection nonmetal pipeline route is larger than 200m.
3. The buried pipeline routing inspection device of claim 1 wherein the sensitivity of the fiber optic acceleration sensor supports an entire inspection device to inspect buried pipelines for greater than 5 meters.
4. The buried pipeline route detection device according to claim 1, wherein the number of the optical fiber acceleration sensors is at least 1.
5. The buried pipeline routing detection device according to claim 1, wherein the nonmetal optical cable adopts high-strength carbon fiber or aramid yarn parallel to the optical fiber sleeve as a tensile element, and the number of cores of the optical fibers is +2 of the optical fiber acceleration sensors which are actually required to be connected.
6. The buried pipeline route detection apparatus of claim 1 wherein the portable fiber optic vibration signal demodulator finds a pipeline route of large burial depths by receiving low frequency signals.
7. A method of using the buried pipeline route detection apparatus as claimed in any one of claims 1 to 6, comprising:
the optical fiber acceleration sensor is arranged on the outer wall of a pipeline of a known pipeline route through a sucker;
one end of the optical fiber in the nonmetal optical cable is welded with the optical fiber of the optical fiber acceleration sensor, and the other end of the optical fiber is welded with the optical fiber of the portable optical fiber vibration signal demodulator;
collecting vibration signals transmitted along the pipeline wall and a medium in the pipeline when the vibration signal generator knocks the ground by using an optical fiber acceleration sensor, demodulating the vibration signals by using a portable optical fiber vibration signal demodulator, and judging that the buried pipeline is near the knocking position if the vibration signals are collected when the vibration signal generator knocks the ground; the position below the position with the strongest vibration signal is the accurate position of the pipeline; burying an optical fiber acceleration sensor into a pipeline within a general routing range, knocking the pipeline at a known pipeline, and determining the accurate position of the pipeline below the optical fiber acceleration sensor with the strongest signal;
for pipelines with different burial depths, the intensity of knocking the ground is adjusted to detect the pipelines, and the numerical value of the burial depth is positively related to the numerical value of the knocking force; and measuring pipeline buried depth data by measuring the depth of a pipeline well and/or excavating, and inputting the buried depth data of each pipeline into a three-dimensional GIS system of the pipeline so as to display the three-dimensional geographic information of the buried pipeline.
8. The method of claim 7, wherein if the soil composition of the location of the vibration generator is close, determining the pipe burial depth based on the attenuation of the vibration signal.
9. The method for using a buried pipeline routing detection apparatus according to claim 7, wherein in order to quickly find an accurate route of a pipeline in the case of determining an approximate route of the pipeline, a plurality of optical fiber acceleration sensors are installed at equal intervals in a direction perpendicular to a pipeline direction within the approximate route range of the pipeline, the pipeline is knocked by using a vibration signal generator, and the sensor which collects a stronger vibration signal is closer to the pipeline;
and a plurality of optical fiber acceleration sensors are equidistantly arranged near the optical fiber acceleration sensor with the strongest signal so as to quickly find the position with the strongest signal, wherein the lower part of the position is the accurate position of the pipeline.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100135115A (en) * | 2009-06-16 | 2010-12-24 | (주) 이우티이씨 | Detection and management system for underground facility using optical fiber sensor and magnetic marker |
| CN102997062A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气集团公司 | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system and installation method for system |
| CN102997051A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气集团公司 | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system |
| CN104565826A (en) * | 2013-10-29 | 2015-04-29 | 中国石油天然气股份有限公司 | Pipeline optical fiber safety monitoring and early warning method and system |
| US20190064030A1 (en) * | 2017-08-31 | 2019-02-28 | Saipem S.A. | Method Of Determining Stress Variations Over Time In An Undersea Pipe For Transporting Fluids |
| CN109471156A (en) * | 2018-11-08 | 2019-03-15 | 桂林聚联科技有限公司 | A kind of device and method for detecting optical cable routing trend |
| CN209296053U (en) * | 2019-01-15 | 2019-08-23 | 广东聚源管业实业有限公司 | A kind of Distributed Detection pipeline and system |
| CN209688535U (en) * | 2019-01-29 | 2019-11-26 | 湖南普奇地质勘探设备研究院（普通合伙) | A kind of pipeline positioning device |
| CN111965693A (en) * | 2020-08-21 | 2020-11-20 | 电子科技大学 | Pipeline trend tracing method and system based on optical cable |
| RU2744070C1 (en) * | 2020-09-21 | 2021-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" | Method for monitoring the presence of water and/or sludge in a long-distance cable duct channel of a fiber-optic transmission line |
| CN113759358A (en) * | 2021-09-08 | 2021-12-07 | 苏州捷杰传感技术有限公司 | Detection method and system for buried pipeline |
| CN115752694A (en) * | 2022-07-11 | 2023-03-07 | 河北金能电力科技股份有限公司 | Distributed optical fiber pipeline monitoring system |
| CN116337334A (en) * | 2023-02-28 | 2023-06-27 | 北京欧美大地仪器设备有限公司 | Mobile field calibration device and method for monitoring leakage of buried gas-liquid pipeline through distributed optical fiber acoustic wave sensing |
| CN117270069A (en) * | 2023-10-13 | 2023-12-22 | 国家石油天然气管网集团有限公司 | Detection positioning system and method for buried optical cable |
-
2024
- 2024-03-13 CN CN202410283602.6A patent/CN117890959A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100135115A (en) * | 2009-06-16 | 2010-12-24 | (주) 이우티이씨 | Detection and management system for underground facility using optical fiber sensor and magnetic marker |
| CN102997062A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气集团公司 | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system and installation method for system |
| CN102997051A (en) * | 2011-09-14 | 2013-03-27 | 中国石油天然气集团公司 | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system |
| CN104565826A (en) * | 2013-10-29 | 2015-04-29 | 中国石油天然气股份有限公司 | Pipeline optical fiber safety monitoring and early warning method and system |
| US20190064030A1 (en) * | 2017-08-31 | 2019-02-28 | Saipem S.A. | Method Of Determining Stress Variations Over Time In An Undersea Pipe For Transporting Fluids |
| CN109471156A (en) * | 2018-11-08 | 2019-03-15 | 桂林聚联科技有限公司 | A kind of device and method for detecting optical cable routing trend |
| CN209296053U (en) * | 2019-01-15 | 2019-08-23 | 广东聚源管业实业有限公司 | A kind of Distributed Detection pipeline and system |
| CN209688535U (en) * | 2019-01-29 | 2019-11-26 | 湖南普奇地质勘探设备研究院（普通合伙) | A kind of pipeline positioning device |
| CN111965693A (en) * | 2020-08-21 | 2020-11-20 | 电子科技大学 | Pipeline trend tracing method and system based on optical cable |
| RU2744070C1 (en) * | 2020-09-21 | 2021-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" | Method for monitoring the presence of water and/or sludge in a long-distance cable duct channel of a fiber-optic transmission line |
| CN113759358A (en) * | 2021-09-08 | 2021-12-07 | 苏州捷杰传感技术有限公司 | Detection method and system for buried pipeline |
| CN115752694A (en) * | 2022-07-11 | 2023-03-07 | 河北金能电力科技股份有限公司 | Distributed optical fiber pipeline monitoring system |
| CN116337334A (en) * | 2023-02-28 | 2023-06-27 | 北京欧美大地仪器设备有限公司 | Mobile field calibration device and method for monitoring leakage of buried gas-liquid pipeline through distributed optical fiber acoustic wave sensing |
| CN117270069A (en) * | 2023-10-13 | 2023-12-22 | 国家石油天然气管网集团有限公司 | Detection positioning system and method for buried optical cable |
Non-Patent Citations (2)
| Title |
|---|
| 徐长生 等主编: "《起重运输机械试验技术》", 30 June 2011, 高等教育出版社, pages: 96 - 98 * |
| 李健 等: "埋地管道典型异常事件信号特征提取方法研究", 传感技术学报, vol. 23, no. 07, 20 July 2010 (2010-07-20), pages 74 - 78 * |
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