CN101270853B - Gas pipeline leakage remote detection device, method and system based on infrasonic wave - Google Patents

Gas pipeline leakage remote detection device, method and system based on infrasonic wave Download PDF

Info

Publication number
CN101270853B
CN101270853B CN200810111604A CN200810111604A CN101270853B CN 101270853 B CN101270853 B CN 101270853B CN 200810111604 A CN200810111604 A CN 200810111604A CN 200810111604 A CN200810111604 A CN 200810111604A CN 101270853 B CN101270853 B CN 101270853B
Authority
CN
China
Prior art keywords
data
unit
infrasonic
detection
gas pipeline
Prior art date
Application number
CN200810111604A
Other languages
Chinese (zh)
Other versions
CN101270853A (en
Inventor
张来斌
梁伟
王朝晖
Original Assignee
中国石油大学(北京)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国石油大学(北京) filed Critical 中国石油大学(北京)
Priority to CN200810111604A priority Critical patent/CN101270853B/en
Publication of CN101270853A publication Critical patent/CN101270853A/en
Application granted granted Critical
Publication of CN101270853B publication Critical patent/CN101270853B/en

Links

Abstract

The invention provides a remote detection device, a method and a system for the detection of the leakage of the natural gas pipeline, which are based on the infrasonic wave. The detection device comprises that an infrasonic wave sensor element which is mounted on the detecting natural gas pipeline detects the leakage infrasonic wave signal in the pipeline to produce the sensor data; a data processing element is coupled with the infrasonic wave sensor element to receive the sensor data, analyze the data, identify and process the leakage and produce the processing result data; a time sequence collection element is coupled with the data processing element to receive the synchronous time base signal and synchronize the time clock according to the synchronous time base signal; a communication interface element is coupled with the data processing element for the output of the sensor data and the processing result data; a display element is coupled with the data processing element for the display of the sensor data and the processing result data.

Description

Based on infrasonic gas pipeline leakage remote detection device, method and system
Technical field
The invention relates to the natural gas line detection technique, is about the gas pipeline leakage detection technique specifically, especially about a kind of based on infrasonic gas pipeline leakage remote detection device, method and system.
Background technique
At present and the coming years; It is the peak period that China head builds apart from gas pipeline; Estimate that newly-built length of pipeline will reach 1.2 ten thousand kilometers, build up import OAO Gazprom main line and branch line, the defeated pipeline in Qinghai rock gas east, transfering natural gas from the west to the east, transfering natural gas from the west to the east two wires and loyal military line, capital, Shan two wires interconnection and branch line.Formed in 2015: five horizontal strokes, two vertical, three stations, six storehouses, many sources of the gas of seven pipe networks, multi-user's air feed network.Yet gas pipeline leakage will cause serious consequences such as environmental pollution, combustion explosion, and will cause very big direct, indirect economic loss.
Ripe relatively for the long-range leakage detection method of liquid conducting pipes such as crude oil, product oil and urban groundwater at present both at home and abroad, the off-line detecting technology of natural gas leaking are used more.And, be applicable to that the method and apparatus of gas pipeline leakage detection is demanded research urgently because of the distinctive strong compressibility of rock gas.
The Chinese invention patent application number is method and the device that has disclosed a kind of fluid-transporting tubing Leak testtion location in 9612100.1 the technological scheme; It utilizes with neuron network, pattern recognition the classification of pipeline operation conditions, wavelet transformation is suppressed influence of noise; Gentlenesses such as dynamic calibration flowmeter error and foundation are applicable to are the waterpower heating power collective model of isothermal pipeline not, and the self study intellectuality is carried out accurate detection and location to the leakage of various pipelines.
The Chinese invention patent application number is that 99107241.3 technological scheme has disclosed a kind of fluid-transporting tubing leakage monitoring localization method and device; It is equipped with computer or smart instrumentation respectively at pipeline to be measured two ends; Gather two ends flow and pressure signal, two ends are connected into the unified intelligent monitoring device of a cover, utilize pressure through transmission medium; Changes in flow rate is calculated respectively; The differentiation radix of bringing in constant renewal in is differentiated leakage, is radix with pipeline observed pressure ripple passing time, with the actual measurement relation curve of pressure wave transmission speed and difference in flow leakage point is positioned.
The Chinese invention patent application number is that 200410019451.6 technological scheme has disclosed a kind of method that detects oil and gas pipeline leakage based on pressure signal; Gather the pressure transmitter output value sequence under the non-stationary state; Adopt batch method and recurrence facture to non-stationary signal conversion process in addition; Steady pressure signal sequence with conversion adopts the Sequential Probability Ratio Test recurrence formula to calculate inspection parameter, when inspection parameter during greater than high alarm setting, judges that then leakage has taken place pipeline.
Existing technology adopts the negative pressure sonic method to detect natural gas line; Be easier to occur erroneous judgement; In order to solve the problem of erroneous judgement, the Chinese invention patent application number is that 200710097721.9 technological scheme has proposed a kind of conduit leakage detecting instrument based on dynamic low-frequency technology, and the dynamic pressure variable quantity of pipe leakage moment is carried out dynamic response; Improved testing precision, can distinguish and leak the sound wave signal.The disclosed content of above-mentioned patent is herein incorporated, with as existing technology of the present invention.
The detection device of the existing technology standard PC case that normally 19 inches 3U are high (is approximately 450mm * 132mm * 400mm); Volume is bigger, and only has the execution function, does not have control, processing capacity; Must link to each other with computer, come the control detection device through computer.
Summary of the invention
The object of the present invention is to provide a kind of based on infrasonic gas pipeline leakage remote detection device and system; Overcome method the erroneous judgements that compressibility produced stronger such as existing suction wave and real-time model, solved the remote online identification problem of gas pipeline leakage because of rock gas has.
To achieve these goals; It is a kind of based on infrasonic gas pipeline leakage remote detection device that the embodiment of the invention provides; Described device comprises: the infrasonic wave sensing unit; Be installed on the natural gas line to be detected, the leakage infrasonic wave signal in the pipeline is detected, generate sensing data; Data processing unit is coupled to described infrasonic wave sensing unit, receives sensing data, carries out data analysis and handles with leaking identification, generates the processing result data; The sequential collecting unit is coupled to described data processing unit, receives synchronous time-base signal, and according to described synchronous time-base signal synchronised clock; Communications interface unit is coupled to described data processing unit, is used to export described sensing data and processing result data; Display unit is coupled to described data processing unit, is used to show described sensing data and processing result data.
To achieve these goals; It is a kind of based on infrasonic gas pipeline leakage remote detecting system that the embodiment of the invention also provides; Described system comprises: a plurality of based on infrasonic gas pipeline leakage remote detection device; Described detection device receives acquisition, decomposes acquisition and acquisition parameter is set, and sends sensing data and processing result data; Master station couples described detection device, sends acquisition, receives sensing data and processing result data that described detection device sends.
To achieve these goals, it is a kind of based on infrasonic gas pipeline leakage remote detecting method that the embodiment of the invention also provides, and described method comprises: the step of sending acquisition; Receive acquisition, decompose acquisition and the step of acquisition parameter is set; Receive synchronous time-base signal, and according to the step of synchronous time-base signal synchronised clock; Receive the infrasonic wave signal, the step of output sensing data; Receive sensing data, carry out data analysis and handle, generate the processing result data and the step of sensing data with the transmission of processing result data with leaking identification.
The beneficial effect of the embodiment of the invention is, through provided by the invention a kind of based on infrasonic gas pipeline leakage remote detection device and system, and the leakage of detection natural gas line that can be early stage, accurate and long-range.Through linux embedded system and arm chip, can accelerate development rate, effectively reduce cost.Not only have the execution function, also have control and processing capacity, needn't come the control detection device through computer.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute qualification of the present invention.In the accompanying drawings:
Fig. 1 is the infrasonic gas pipeline leakage remote detection device of a present invention module map;
Fig. 2 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map;
Fig. 3 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map;
Fig. 4 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map;
Fig. 5 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map;
Fig. 6 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map;
Fig. 7 is the schematic representation of another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention communications interface unit 107;
Fig. 8 is an embodiment's of the infrasonic gas pipeline leakage remote detecting system 800 of the present invention network topological diagram;
Fig. 9 is the front panel schematic representation of the infrasonic gas pipeline leakage remote detection device of the present invention;
Figure 10 is the rear board interface schematic representation of the infrasonic gas pipeline leakage remote detection device of the present invention;
Figure 11 is an embodiment's of the infrasonic gas pipeline leakage remote detecting method of the present invention flow chart;
Figure 12 is another embodiment's of the infrasonic gas pipeline leakage remote detecting method of the present invention flow chart.
Embodiment
For making the object of the invention, technological scheme and advantage clearer,, the present invention is explained further details below in conjunction with mode of execution and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
The embodiment of the invention provides a kind of infrasonic gas pipeline leakage remote detection device.Below in conjunction with accompanying drawing the present invention is elaborated.
Fig. 1 is the infrasonic gas pipeline leakage remote detection device of a present invention module map, and is as shown in Figure 1, and gas pipeline leakage remote detection device 100 comprises:
Infrasonic wave sensing unit 101 is installed on the natural gas line to be detected, and the leakage infrasonic wave signal in the pipeline is detected; The characteristic spectra that detects is 0.5Hz-20Hz; In the present embodiment, infrasonic wave sensing unit 101 can comprise a frequency resonance sensor or a pressure transducer, detect the infrasonic wave analogue signal after; Transfer analogue signal to digital signal through the accurate lock of 24bit phase analog-digital converter, and digital signal is exported;
Data processing unit 103 is coupled to described infrasonic wave sensing unit 101, receives sensing data; In the present embodiment; The sensing data that receives is a digital signal, and 103 pairs of digital signals of data processing unit are carried out data analysis and handled generation processing result data with leaking identification;
Sequential collecting unit 105 is coupled to described data processing unit 103, receives outside synchronous time-base signal, and according to the clock of described synchronous time-base signal sync detection device 100;
Communications interface unit 107 is coupled to described data processing unit 103, is used to export described sensing data and processing result data, in the present embodiment, communications interface unit 107 can realize completely data networking or with the field computer swap data;
Display unit 109 is coupled to described data processing unit 103, is used to show described sensing data and processing result data.
In the present embodiment; Data processing unit 103 is based on the ARM926 framework; Used the AT91SAM9263 device of Atmel company, and used collection, arrangement, correction, the buffer memory of selecting for use ultra-large FPGA to realize data, made the core board of detection device small-sized; Has only 115mm * 132mm (sandwich plate structure); Infrasonic gas pipeline leakage remote detection device 100 volumes are effectively dwindled, and alleviated weight, the volume of infrasonic in the present embodiment gas pipeline leakage remote detection device 100 is about 144mm * 144mm * 150mm.
In the present embodiment, sequential collecting unit 105 can be a GPS sequential collecting unit, and what select for use is the high sensitivity GPS parts, and sensitivity is near theoretical limit, and what core control was adopted is ARM9 nuclear.Main pulse during benchmark that the GPS parts send; Error is less than 1 μ s; Detection device 100 per seconds are received a pulse, because the GPS synchronous satellite is apart from 36000 kilometers of earth surfaces, are equidistance basically tens test nodes on the petroleum pipeline with respect to thousands of kilometers.That is to say tens test nodes on the pipeline when synchronization receives the benchmark of GPS main pulse (absolute error is less than 1 μ s.Because gps signal is many stars integrated correction mechanism), use the clock starting point of the forward position sync detection device 100 of this pulse then simultaneously.
Infrasonic gas pipeline leakage remote detection device 100 of the present invention uses the Linux embedded OS, compares with Linux, and the VxWorks cost is higher and not open; Windows CE copyright royalty higher (hundreds of units are collected in the installation of each equipment) and not open; μ COS is owing to be a bare nucleus, and the whole robustness of implant system is bad, and the transplanting workload is huge, and overall performance is bad.Infrasonic gas pipeline leakage remote detection device 100 has been realized the miniaturization of autonomous device and equipment, has stronger software systems simultaneously, more software function, more economical equipment cost, development rate faster, bug still less.
Fig. 2 for another embodiment of the infrasonic gas pipeline leakage remote detection device of the present invention schematic representation; As shown in Figure 2; Gas pipeline leakage remote detection device 200 also comprises a pair of torsion circle unit 111, and two torsion circles unit 111 is coupled to infrasonic wave sensing unit 101 and data processing unit 103, is used to control described infrasonic wave sensing unit 101 and alternately gathers sensing data; It is seamless to guarantee to gather signal; Can make the frequency acquisition can be up to 32KHz, more general 1KHz acquisition system be enhanced, and makes little leak diagnostics become possibility.Remaining part and the part among Fig. 1 among Fig. 2 are similar, so repeat no more at this.
Fig. 3 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention schematic representation; As shown in Figure 3; Gas pipeline leakage remote detection device 300 also comprises a data buffer storage unit 113; Data buffer storage unit 113 is coupled to described infrasonic wave sensing unit 101, sequential collecting unit 105 and data processing unit 103, receives sensing data that infrasonic wave sensing unit 101 the sends row cache of going forward side by side.It is that each frame data in the buffer memory add synchronous time-base signal that data buffer storage unit 113 also provides synchronous time-base signal according to sequential collecting unit 105.Remaining part and the part among Fig. 1 among Fig. 3 are similar, so repeat no more at this.
Fig. 4 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map; As shown in Figure 4; Gas pipeline leakage remote detection device 400 comprises: infrasonic wave sensing unit 101, data processing unit 103, sequential collecting unit 105, communications interface unit 107, display unit 109 and data storage element 115; In the present embodiment; Data storage cell 115 is coupled to described data processing unit 103, is used to store sensing data and the processing result data that data processing unit 103 sends.Remaining part and the part among Fig. 1 among Fig. 4 are similar, so repeat no more at this.
Fig. 5 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map; As shown in Figure 5; Gas pipeline leakage remote detection device 500 also comprises a mutual control unit 117, is coupled to data processing unit 103, is used to be provided with acquisition.Because detection device 500 itself has operation system and processor, therefore every detection device all can be through mutual control unit 117 independent controls, as can independently carrying out Leak testtion, visualization display, acoustooptic alarm.Remaining part and the part among Fig. 1 among Fig. 5 are similar, so repeat no more at this.
Fig. 6 is another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention module map; As shown in Figure 6; Be different from gas pipeline leakage remote detection device 100 shown in Figure 1; Comprise a plurality of sensing units in the gas pipeline leakage remote detection device 600; Comprising infrasonic wave sensing unit 101, pressure sensitive unit 603, flow sensing unit 605, valve state sensing unit 607, pump state sensing unit 609, PID (automatic regulating valve) state sensing unit 611; Each sensing unit is installed on the natural gas line to be detected, and leakage infrasonic wave signal, pipeline pressure data, pipeline flow data, valve status data, pump status data in the pipeline are detected, and generates sensing data; Data processing unit 103 couples with each sensing unit, receives sensing data, carries out data analysis and handles with leaking identification, generates the processing result data at last.Remaining part in the gas pipeline leakage remote detection device 600 is identical with detection device shown in Figure 1 100, so repeat no more at this.
Fig. 7 is the schematic representation of another embodiment's of the infrasonic gas pipeline leakage remote detection device of the present invention communications interface unit 107; As shown in Figure 7; Communications interface unit 107 comprises NIM Network Interface Module 701, RS232 Interface Module 703 and USB interface 705 modules, and wherein NIM Network Interface Module 701 is used to connect network; RS232 Interface Module 703 is used for field computer mutual; USB interface 705 modules are used for field data and extract.
Fig. 8 is an embodiment's of the infrasonic gas pipeline leakage remote detecting system 800 of the present invention network topological diagram; As shown in Figure 8; Gas pipeline leakage remote detecting system 800 comprises: a plurality of gas pipeline leakage remote detection detection devices 100; Described detection device 100 receives acquisition, decomposes acquisition and acquisition parameter is set, and sends sensing data and processing result data; Master station 801 couples all detection devices 100, sends acquisition, receives sensing data and processing result data that described detection device 100 sends.
Fig. 9 is the front panel schematic representation of the infrasonic gas pipeline leakage remote detection device of the present invention; As shown in Figure 9; Gas pipeline leakage remote detection device 900 comprises a touch control type LCD display screen 901; Be used to receive user's input command and show various information, comprise showing sensing data, data processed result etc.; Detection device 900 lower right corner have three quick bottons 903,905 and 907; Can be endowed different shortcut functions as required; In the present embodiment; Button 903 be used for cursor on move, button 905 is used for moving down of cursor, button 907 is used to realize operations such as affirmation and the cancellation of leakage alarm point.
Figure 10 is the rear board interface schematic representation of the infrasonic gas pipeline leakage remote detection device of the present invention, and shown in figure 10, gas pipeline leakage remote detection device 900 comprises: sensing unit interface 909 is used to connect sensing unit; Network interface 911 is used for detection device 900 is linked to each other with network; RS232 interface 913 is used for detection device 900 is connected with portable computer; USB interface 915 is used for extracting data from detection device 900; GPS interface 917 is used for detection device 900 is linked to each other with gps receiver; And safty device 919, switch 921 and power interface 923.
Figure 11 is an embodiment's of the infrasonic gas pipeline leakage remote detecting method of the present invention flow chart, and shown in Fig. 1 and 11, the gas pipeline leakage remote detecting method comprises the steps:
Step 1101, master station 801 connects all detection devices 100, and sends acquisition;
Step 1102, detection device 100 receives the acquisition that master station 801 sends, and decomposes acquisition and acquisition parameter is set;
Step 1103, sequential collecting unit 105 receives synchronous time-base signal, and according to the clock of synchronous time-base signal sync detection device 100;
Step 1104, infrasonic wave sensing unit 101 receives the infrasonic wave signal, the output sensing data;
Step 1105, data processing unit 103 receives sensing data, carries out data analysis and handles with leaking identification, generates the processing result data and sensing data and processing result data are sent to master station 801.
Figure 12 is another embodiment's of the infrasonic gas pipeline leakage remote detecting method of the present invention flow chart, and shown in Fig. 5 and 12, the gas pipeline leakage remote detecting method comprises the steps:
Step 1201 is provided with acquisition through mutual control unit 117;
Step 1202, detection device 100 receives acquisition, decomposes acquisition and acquisition parameter is set;
Step 1203, sequential collecting unit 105 receives synchronous time-base signal, and according to the clock of synchronous time-base signal sync detection device 500;
Step 1204, infrasonic wave sensing unit 101 receives the infrasonic wave signal, the output sensing data;
Step 1205, data processing unit 103 receives sensing data, carries out data analysis and leak identification handling, and generates the processing result data and sensing data and processing result data are sent to display unit 109 demonstrations.
Compared with prior art; The invention has the beneficial effects as follows: but remote online detects the leakage of natural gas line; Based on the ARM926-Linux embedded OS, in gps data synchronous acquisition ring, carry out the accurate lock of 16 passage 24bit phase; Realized detecting zero phase-shift, the zero lag of data, made Location accuracy reach best and many heat transfer agents fusion the bests gas pipeline leakage point.Volume is little, in light weight, is convenient to install and secondary development.Have control and processing capacity, needn't come the control detection device through computer.
Above-described embodiment; The object of the invention, technological scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. one kind based on infrasonic gas pipeline leakage remote detection device, it is characterized in that described device comprises:
The infrasonic wave sensing unit is installed on the natural gas line to be detected, and the leakage infrasonic wave signal in the pipeline is detected, and generates sensing data;
Data processing unit is coupled to described infrasonic wave sensing unit, receives sensing data, carries out data analysis and handles with leaking identification, generates the processing result data;
The sequential collecting unit is coupled to described data processing unit, receives synchronous time-base signal, and according to described synchronous time-base signal synchronised clock;
Communications interface unit is coupled to described data processing unit, is used to export described sensing data and processing result data;
Display unit is coupled to described data processing unit, is used to show described sensing data and processing result data.
2. as claimed in claim 1ly it is characterized in that based on infrasonic gas pipeline leakage remote detection device described device also comprises:
Two torsion circles unit is coupled to described infrasonic wave sensing unit, is used to control described infrasonic wave sensing unit and alternately gathers sensing data.
3. as claimed in claim 1ly it is characterized in that based on infrasonic gas pipeline leakage remote detection device described device also comprises:
Data buffer storage unit is coupled to described infrasonic wave sensing unit and sequential collecting unit, and sensing data is carried out buffer memory.
4. as claimed in claim 1ly it is characterized in that based on infrasonic gas pipeline leakage remote detection device described device also comprises:
Data storage cell is coupled to described data processing unit, is used to store described sensing data and processing result data.
5. as claimed in claim 1ly it is characterized in that based on infrasonic gas pipeline leakage remote detection device described device also comprises:
Mutual control unit is coupled to described data processing unit, is used to be provided with acquisition.
6. one kind based on infrasonic gas pipeline leakage remote detecting system, it is characterized in that described system comprises:
A plurality of detection devices as claimed in claim 1, described detection device receives acquisition, decomposes acquisition and acquisition parameter is set, and sends sensing data and processing result data;
Master station couples described detection device, sends acquisition, receives sensing data and processing result data that described detection device sends.
7. as claimed in claim 6ly it is characterized in that based on infrasonic gas pipeline leakage remote detecting system described detection device also comprises:
Two torsion circles unit is coupled to described infrasonic wave sensing unit, is used to control described infrasonic wave sensing unit and alternately gathers sensing data.
8. as claimed in claim 6ly it is characterized in that based on infrasonic gas pipeline leakage remote detecting system described detection device also comprises:
Data buffer storage unit is coupled to described infrasonic wave sensing unit and sequential collecting unit, and sensing data is carried out buffer memory.
9. as claimed in claim 6ly it is characterized in that based on infrasonic gas pipeline leakage remote detecting system described detection device also comprises:
Data storage cell is coupled to described data processing unit, is used to store described sensing data and processing result data.
10. as claimed in claim 6ly it is characterized in that based on infrasonic gas pipeline leakage remote detecting system described detection device also comprises:
Mutual control unit is coupled to described data processing unit, is used to be provided with acquisition.
11. one kind based on infrasonic gas pipeline leakage remote detecting method, it is characterized in that described gas pipeline leakage remote detecting method comprises:
Send the step of acquisition;
Receive acquisition, decompose acquisition and the step of acquisition parameter is set;
Receive synchronous time-base signal, and according to the step of synchronous time-base signal synchronised clock;
Receive the infrasonic wave signal, the step of output sensing data;
Receive sensing data, carry out data analysis and handle, generate the processing result data and the step of sensing data with the transmission of processing result data with leaking identification.
CN200810111604A 2008-05-15 2008-05-15 Gas pipeline leakage remote detection device, method and system based on infrasonic wave CN101270853B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810111604A CN101270853B (en) 2008-05-15 2008-05-15 Gas pipeline leakage remote detection device, method and system based on infrasonic wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810111604A CN101270853B (en) 2008-05-15 2008-05-15 Gas pipeline leakage remote detection device, method and system based on infrasonic wave

Publications (2)

Publication Number Publication Date
CN101270853A CN101270853A (en) 2008-09-24
CN101270853B true CN101270853B (en) 2012-08-29

Family

ID=40004994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810111604A CN101270853B (en) 2008-05-15 2008-05-15 Gas pipeline leakage remote detection device, method and system based on infrasonic wave

Country Status (1)

Country Link
CN (1) CN101270853B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128353A (en) * 2010-12-23 2011-07-20 大庆油田有限责任公司 Novel ground marker for detecting flux leakage corrosion of pipeline
CN102563360B (en) * 2012-01-16 2014-03-05 北方工业大学 Method for detecting vibration event of pipeline safety early warning system based on sequential probability ratio
CN102537671A (en) * 2012-03-07 2012-07-04 张钧 Sensor module for monitoring leakage of natural gas transmission pipeline
CN103234121A (en) * 2013-05-10 2013-08-07 中国石油大学(华东) Acoustic signal based device and method for detecting gas pipeline leakages
CN104100841A (en) * 2014-07-14 2014-10-15 青岛厚科化学有限公司 Pipeline monitoring method based on distributed fiber sensors and acoustic wave
CN104595729B (en) * 2015-01-15 2015-08-12 中国石油大学(华东) A kind of oil and gas pipeline leakage localization method based on magnitudes of acoustic waves
CN106382981B (en) * 2016-08-26 2018-12-25 中国地震局地壳应力研究所 A kind of single station infrasound signal identification extracting method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2414204A1 (en) * 1974-03-25 1975-10-02 Wilfried Echterhoff Leakage detector for fluid pipes - with information-waves sent from solid transmitters to solid receivers
CN1388303A (en) * 2002-07-19 2003-01-01 许楠 Dynamic surface closed-loop control system for oil well
CN2586144Y (en) * 2002-12-16 2003-11-12 王胜平 Infrasound detector
CN1603814A (en) * 2004-11-05 2005-04-06 上海奥达光电子科技有限公司 Intelligent on-line detection system for corrosion and leakage of underground pipeline
CN1862074A (en) * 2006-06-09 2006-11-15 北京工业大学 Embedded pipe leak detector with wireless interactive function
CN101008992A (en) * 2006-12-30 2007-08-01 北京市劳动保护科学研究所 Method for detecting leakage of pipeline based on artificial neural network
CN101122367A (en) * 2006-08-07 2008-02-13 中国石油大学(北京) Pipe leakage diagnosis system, device and method
CN201297502Y (en) * 2008-05-15 2009-08-26 中国石油大学(北京) Infrasound-based remote natural gas pipeline leakage detection device and system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2414204A1 (en) * 1974-03-25 1975-10-02 Wilfried Echterhoff Leakage detector for fluid pipes - with information-waves sent from solid transmitters to solid receivers
CN1388303A (en) * 2002-07-19 2003-01-01 许楠 Dynamic surface closed-loop control system for oil well
CN2586144Y (en) * 2002-12-16 2003-11-12 王胜平 Infrasound detector
CN1603814A (en) * 2004-11-05 2005-04-06 上海奥达光电子科技有限公司 Intelligent on-line detection system for corrosion and leakage of underground pipeline
CN1862074A (en) * 2006-06-09 2006-11-15 北京工业大学 Embedded pipe leak detector with wireless interactive function
CN101122367A (en) * 2006-08-07 2008-02-13 中国石油大学(北京) Pipe leakage diagnosis system, device and method
CN101008992A (en) * 2006-12-30 2007-08-01 北京市劳动保护科学研究所 Method for detecting leakage of pipeline based on artificial neural network
CN201297502Y (en) * 2008-05-15 2009-08-26 中国石油大学(北京) Infrasound-based remote natural gas pipeline leakage detection device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
梁伟等.液体管道泄漏负压波诊断方法的研究现状及发展趋势.《管道技术与设备》.2004,(第06期), *

Also Published As

Publication number Publication date
CN101270853A (en) 2008-09-24

Similar Documents

Publication Publication Date Title
CN104930660B (en) Air condition monitoring method and monitoring device
CN106352243B (en) A kind of gas pipeline leak detection systems based on sonic method
Whittle et al. WATERWISE@ SG: A testbed for continuous monitoring of the water distribution system in singapore
CN102537667B (en) Underground water pipe leakage detection positioning system and method thereof
WO2015073313A1 (en) Detecting, identifying and locating anomalous events within a pressurized pipe
CN106567997B (en) Oil and gas pipeline remote real-time health monitoring system based on Internet of things
Allen et al. Real‐time in‐network distribution system monitoring to improve operational efficiency
CN104794862A (en) Natural gas pipeline real-time monitoring system based on Zigbee wireless communication technology
CN106352246B (en) Pipeline leakage testing positioning experiment system and its detection method
CN101561309B (en) Online measurement device and measurement method thereof for pipeline flux instrument
CN101413628A (en) Method for performing gas pipeline leakage position by using instant change on-line diagnosis coupling excitation frequency response
CN105811880A (en) UAV mounted-based photovoltaic module real-time monitoring system
CN100510673C (en) Laser remote sensing delecting device for natural gas pipe line leakage and detection method thereof
CN104088669A (en) Coal spontaneous combustion monitoring and early warning system for coal mine goaf
CN105351756A (en) Pipeline leakage recognizing and positioning system and method based on sound wave imaging
CN102095083A (en) Detecting system used for leakage of gas valve
CN104373821A (en) Natural gas pipeline safety monitoring device based on acoustical science active spurring
CN1246672C (en) Method and device for intelligent diagnosis and location of leakage fault of fluid delivery pipeline
CN201373243Y (en) Intelligent inspection machine of oil and gas pipeline leakage
CN103245454A (en) Non-intrusive pipeline real-time monitoring, prewarning and fault locating system
CN104654026B (en) Detection system and method in gas oil pipe leakage sound emission
CN106895268A (en) Set up the method and monitoring system of tree structure leakage loss condition monitoring pipe network
CN204114580U (en) Based on the image information collecting device of pipeline leakage testing
CN201945571U (en) Multi-point measurement and control system for air quality in large space
CN100462884C (en) Crawling intelligent controller in submarine pipeline

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model