CN109780450A - The Intelligent electric drainage device and method of pipeline monitored by infrasonic wave supplementary AC stray electrical current - Google Patents
The Intelligent electric drainage device and method of pipeline monitored by infrasonic wave supplementary AC stray electrical current Download PDFInfo
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Abstract
The present invention relates to the Intelligent electric drainage device and methods of pipeline monitored by infrasonic wave supplementary AC stray electrical current, which is characterized in that the device includes: tube pass acoustic monitoring system, the monitored by infrasonic wave data for real-time monitoring pipeline；Record storage module, for storing the infrasound Historical Monitoring data and analysis result of pipeline；AC measurment transmission module, for obtaining the measured value of pipeline stray electrical current in real time；Central processing unit obtains the time and degree that analysis result and pipeline are interfered by stray electrical current for the measured value according to the monitored by infrasonic wave data of real-time monitoring, infrasound Historical Monitoring data and pipeline stray electrical current；Drainage control module carries out drainage for controlling live drain means based on the analysis results, present invention can be widely used in buried metal oil-gas pipeline safety detection field.
Description
Technical field
The present invention relates to a kind of Intelligent electric drainage device and methods of pipeline monitored by infrasonic wave supplementary AC stray electrical current, belong to
In buried metal oil-gas pipeline safety detection field.
Background technique
In recent years, with the rapid development of economy, the growth of energy demand and the adjustment of energy resource structure, Chinese oil gas are long
Defeated pipeline laying amount dramatically increases.What it is in same high speed development is the construction of high-voltage fence and electric railway, due to geography
Inevitably there is parallel or intersection and wears during oil-gas pipeline and the design and construction of electric railway in the limitation of position
The case where more laying, buried oil-gas pipeline will will receive the interference corrosion of stray electrical current, if dealing with improperly, it will form very big danger
Evil.Alternative stray current mainly pass through capacitive, it is resistive and it is inductive coupled adjoining buried pipeline or metallic object are interfered,
So that generated in pipeline flow into, the alternative stray current that flows out and cause to corrode.On the pipeline near electric railway, because of sense
The interference voltage answered and generated is acted on up to several hectovolts off and on, as electric railway is presented from several volts, Ji Shifu
Network load and change.A kind of effective measures to pipeline fountain are exactly drainage protection.
Sound wave can be in various Propagations, and high fdrequency component is in communication process, since its wavelength is short, frequency is high etc.
Feature, the rate of decay is very fast in communication process, for transmitting at a distance, it is more likely that can't detect letter due to decaying
Number.Infrasound has the propagation characteristic that frequency is low, wavelength is long, energy attenuation is slow, is generally possible to propagate the distance of km.Cause
This, using to acoustic signals temporal signatures extract, frequency domain character extract by the way of realize positioning gas pipeline leakage point have
Very big development prospect can prevent the generation of peril in advance in this way, improve the security assurance level of pipeline.Mind
It is combined through network theory with predictive control algorithm, forms a kind of network response surface.It is to utilize neural network first
Arbitrary complex nonlinear function can sufficiently be approached, can learn and adapt to the dynamic characteristic of uncertain system, can use
Serial Distribution Processing algorithm quickly carries out the features such as real-time operation, establishes neural network identification model as prediction model.Intelligence
PREDICTIVE CONTROL compensates for that Classical forecast control algolithm precision is not high, be only applicable to linear system, lacks self study and self-organizing function
The not strong defect of energy, robustness.These algorithms can handle the abnormal conditions such as non-linear, multiple target, constraint condition.
However, traditional drain means are primarily present following problems: 1) detection and drainage separately carry out, during drainage
There is no drainage staining effect, it is possible to create " crossing drainage " or " deficient drainage "；2) it must disconnect and connect manually drain means ability
Drainage current is measured, this hot line job was not only inconvenient but also dangerous；3) it cannot find in time whether electric drainager breaks down；4)
For the interference of electric railway, the pipe to soil potential variation of pipeline has temporal characteristics, corresponding with Train Schedule, is difficult
Accurately, pipe protection current potential is maintained into a metastable numerical value in time, intelligently.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of with drainage staining effect and convenient and safe tube pass
The Intelligent electric drainage device and method of sound wave monitoring supplementary AC stray electrical current.
To achieve the above object, the present invention takes following technical scheme: pipeline monitored by infrasonic wave supplementary AC stray electrical current
Intelligent electric drainage device, which is characterized in that the Intelligent electric drainage device includes: tube pass acoustic monitoring system, be used for real-time monitoring
The monitored by infrasonic wave data of pipeline；Record storage module, for storing the infrasound Historical Monitoring data of pipeline；AC measurment passes
Defeated module, for obtaining the measured value of pipeline stray electrical current in real time；Central processing unit, for being supervised according to the infrasound of real-time monitoring
The measured value of measured data, infrasound Historical Monitoring data and pipeline stray electrical current obtains analysis result and pipeline by spuious
The time of current interference and degree；Drainage control module carries out drainage for based on the analysis results, controlling live drain means,
Realize the Intelligent electric drainage operation to pipeline.
Further, which further includes alarm module, and the alarm module is used for according to the AC measurment
The alarm signal that transmission module is sent is alarmed, and sends pre-warning signal to the central processing unit.
Further, the AC measurment transmission module includes: the double positioning units of GPS and/or Beidou, for obtain pipeline by
The position interfered to stray electrical current；Stray electrical current measuring unit, the position for being interfered according to pipeline by stray electrical current, in real time
Obtain the measured value of pipeline stray electrical current；Current potential judging unit, for the measured value and preset tune according to pipeline stray electrical current
Threshold value is saved, judges whether the current potential of pipeline is normal, if abnormal, sends alarm signal to the alarm module.
Further, it is provided with parameter setting unit in the central processing unit, for supervising according to the infrasound of real-time monitoring
Measured data and infrasound Historical Monitoring data preset the adjusting threshold value and drainage threshold value of pipeline stray electrical current, and will adjust
Threshold value is sent to the AC measurment transmission module；Stray electrical current annoyance level judging unit, for according to monitored by infrasonic wave number
According to Historical Monitoring data, judge time and degree that pipeline is interfered by stray electrical current；Analysis and processing unit, for according to pre-
If drainage threshold value and pipeline stray electrical current measured value, analyzed as a result, and being sent to the drainage control module.
Further, the central processing unit obtains analysis result using Neural Network Data coupling analytical method.
The Intelligent electric drainage method of pipeline monitored by infrasonic wave supplementary AC stray electrical current, which comprises the following steps:
1) the monitored by infrasonic wave data of tube pass acoustic monitoring system real-time monitoring pipeline, and send it to central processing unit；2) in
Central processor is according to the pipeline infrasound Historical Monitoring number in the monitored by infrasonic wave data and record storage module of real-time monitoring
According to judging the time and degree that pipeline is interfered by stray electrical current；3) AC measurment transmission module real-time measurement pipeline is spuious
Electric current, and the measured value of pipeline stray electrical current is sent to central processing unit；4) central processing unit is according to the infrasonic sound of real-time monitoring
Wave monitoring data and infrasound Historical Monitoring data, preset the drainage threshold value of pipeline stray electrical current；5) central processing unit root
It is analyzed according to the drainage threshold value and measured value of pipeline stray electrical current as a result, and being sent to drainage control module；6) when analysis is tied
When fruit is that the measured value of pipeline stray electrical current reaches preset drainage threshold value, drainage control module controls live drain means starting
Drainage is carried out, realizes the Intelligent electric drainage operation to pipeline.
Further, when the measured value of pipeline stray electrical current adjusting threshold value preset beyond central processing unit, AC measurment
Transmission module sends alarm signal to alarm module, and alarm module is alarmed, and sends pre-warning signal to central processing unit.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention is due to being provided with pipeline infrasonic sound
Wave monitors system, AC measurment transmission module, central processing unit and drainage control module, using Neural Network Data coupling analysis
Method, predicts the drainage threshold value of pipeline stray electrical current, and is analyzed according to the measured value of drainage threshold value and pipeline stray electrical current
As a result, enabling drainage control module to control live drain means based on the analysis results carries out Intelligent electric drainage operation, has and hand over
The anticipation of stream stray current drainage measurement precognition is conducive to the advantages that excluding stray electrical current interference protection pipe safety in time, compares
Traditional stray current drainage device has advantage in time, accurate, intelligent.2, compared to traditional stray current drainage device,
AC measurment transmission module of the invention includes GPS and/or the double positioning units of Beidou and stray electrical current measuring unit, Neng Gouzhun
Really carry out stray electrical current measurement.3, the present invention is due to being provided with alarm module, using for after live drain means drainage
Still the case where restoring less than normal current potential, is alarmed by warning module, and issues early warning letter to central processing unit in time
Number, request takes other means to eliminate interference, can be widely applied in buried metal oil-gas pipeline safety detection field.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is signal transmission schematic diagram of the invention.
Specific embodiment
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in Figure 1 and Figure 2, the Intelligent electric drainage dress of pipeline monitored by infrasonic wave supplementary AC stray electrical current provided by the invention
It sets including tube pass acoustic monitoring system 1, record storage module 2, AC measurment transmission module 3, central processing unit 4 and drainage control
Molding block 5, tube pass acoustic monitoring system 1 are monitoring system disclosed in the prior art, and specific structure does not repeat herein.
Tube pass acoustic monitoring system 1 is used for the monitored by infrasonic wave data of real-time monitoring pipeline, and is sent to central processing
Device 4.Record storage module 2 is used to store the infrasound Historical Monitoring data of pipeline.AC measurment transmission module 3 for obtaining in real time
It takes the measured value of pipeline stray electrical current and is sent to central processing unit 4.Central processing unit 4 is used for the infrasound according to real-time monitoring
Monitoring data and infrasound Historical Monitoring data judge that time that pipeline is interfered by stray electrical current and degree (work as alternating current
Density (A/m2) < 30 when, AC influence degree be it is weak；As AC current density (A/m2) be 30-100 when, AC influence degree
For in；As AC current density (A/m2) > 100 when, AC influence degree is strong)；Central processing unit 4 is also used to miscellaneous to pipeline
The measured value of electric current, the monitored by infrasonic wave data of real-time monitoring and infrasound Historical Monitoring data are dissipated to be analyzed and processed to obtain
Analysis result (analysis result refers to whether the measured value of pipeline stray electrical current reaches preset drainage threshold value), and it is sent to record
Memory module 2 and drainage control module 5,2 pairs of analysis results of record storage module store.Drainage control module 5 is used for root
According to analysis as a result, being precisely controlled live drain means 6 carries out drainage, the Intelligent electric drainage operation to pipeline is realized.
In a preferred embodiment, which further includes alarm module 7, and alarm module 7 is used for basis
The alarm signal that AC measurment transmission module 3 is sent is alarmed, and sends pre-warning signal to central processing unit 4, so that central
Processor 4 can take other effective means to eliminate interference according to pre-warning signal.
In a preferred embodiment, AC measurment transmission module 3 includes GPS (global positioning system) and/or Beidou
The double positioning units of double positioning units, stray electrical current measuring unit and current potential judging unit, GPS and Beidou are used to obtain pipeline
By the position that stray electrical current interferes, so as to accurately carry out stray electrical current measurement.Stray electrical current measuring unit is used for root
According to the position that pipeline is interfered by stray electrical current, the measured value of pipeline stray electrical current is obtained in real time.Current potential judging unit is used for root
According to the measured value and the preset adjusting threshold value of central processing unit 4 of pipeline stray electrical current, judge whether the current potential of pipeline normally (manages
Whether the measured value of road stray electrical current exceeds preset adjusting threshold value), if abnormal, alarm signal is sent to alarm module
7。
In a preferred embodiment, parameter setting unit, stray electrical current annoyance level are provided in central processing unit 4
Judging unit and analysis and processing unit.Parameter setting unit according to the monitored by infrasonic wave data and infrasound of real-time monitoring for going through
History monitoring data preset the adjusting threshold value and drainage threshold value of pipeline stray electrical current, and will adjust threshold value and be sent to exchange survey
Transmission module 3 is measured, drainage threshold value is sent to analysis and processing unit.Stray electrical current annoyance level judging unit is used for according in real time
The monitored by infrasonic wave data and infrasound Historical Monitoring data of monitoring judge time and journey that pipeline is interfered by stray electrical current
Degree.Analysis and processing unit is used to use Neural Network Data coupling analytical method, spuious according to preset drainage threshold value and pipeline
The measured value of electric current is analyzed as a result, and being sent to drainage control module 5.
Below by the intelligence of specific embodiment the present invention will be described in detail pipeline monitored by infrasonic wave supplementary AC stray electrical current
The application method of drain means:
1) the monitored by infrasonic wave data of 1 real-time monitoring pipeline of tube pass acoustic monitoring system, and send it to centre
Manage device 4.
2) central processing unit 4 is according to the tube pass in the monitored by infrasonic wave data and record storage module 2 of real-time monitoring
Sound wave Historical Monitoring data judge time and degree that pipeline is interfered by stray electrical current.
3) stray electrical current of 3 real-time measurement pipeline of AC measurment transmission module, and the measured value of pipeline stray electrical current is sent out
It send to central processing unit 4.
4) central processing unit 4 is set in advance according to the monitored by infrasonic wave data and infrasound Historical Monitoring data of real-time monitoring
Determine the drainage threshold value of pipeline stray electrical current and adjusts threshold value.
5) central processing unit 4 is analyzed according to the drainage threshold value and measured value of pipeline stray electrical current as a result, and being sent to
Record storage module 2 and drainage control module 5.
6) when the measured value that analysis result is pipeline stray electrical current reaches preset drainage threshold value, drainage control module 5
It is precisely controlled live drain means 6 and is actuated for drainage, realize the Intelligent electric drainage operation to pipeline.
7) when the measured value of pipeline stray electrical current exceeds preset adjusting threshold value, pipeline fails to be restored to the cathode before interference
When protection potential, AC measurment transmission module 3 sends alarm signal to alarm module 7, and alarm module 7 is alarmed, and is sent
Pre-warning signal enables central processing unit 4 to take other effective means to eliminate according to pre-warning signal and does to central processing unit 4
It disturbs.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (7)
1. the Intelligent electric drainage device of pipeline monitored by infrasonic wave supplementary AC stray electrical current, which is characterized in that the Intelligent electric drainage device
Include:
Tube pass acoustic monitoring system, the monitored by infrasonic wave data for real-time monitoring pipeline；
Record storage module, for storing the infrasound Historical Monitoring data of pipeline；
AC measurment transmission module, for obtaining the measured value of pipeline stray electrical current in real time；
Central processing unit, for spuious according to the monitored by infrasonic wave data, infrasound Historical Monitoring data and pipeline of real-time monitoring
The measured value of electric current obtains the time and degree that analysis result and pipeline are interfered by stray electrical current；
Drainage control module carries out drainage for based on the analysis results, controlling live drain means, realizes the Intelligent drainage to pipeline
Flow operation.
2. a kind of Intelligent electric drainage device of pipeline monitored by infrasonic wave supplementary AC stray electrical current as described in claim 1, special
Sign is that the Intelligent electric drainage device further includes alarm module, and the alarm module is used for according to the AC measurment transmission module
The alarm signal of transmission is alarmed, and sends pre-warning signal to the central processing unit.
3. a kind of Intelligent electric drainage device of pipeline monitored by infrasonic wave supplementary AC stray electrical current as claimed in claim 2, special
Sign is that the AC measurment transmission module includes:
GPS and/or the double positioning units of Beidou, the position interfered for obtaining pipeline by stray electrical current；
Stray electrical current measuring unit, the position for being interfered according to pipeline by stray electrical current obtain pipeline stray electrical current in real time
Measured value；
Current potential judging unit, for according to pipeline stray electrical current measured value and preset adjusting threshold value, judge the current potential of pipeline
It is whether normal, if abnormal, alarm signal is sent to the alarm module.
4. a kind of Intelligent electric drainage device of pipeline monitored by infrasonic wave supplementary AC stray electrical current as claimed in claim 3, special
Sign is, is provided in the central processing unit
Parameter setting unit is set in advance for the monitored by infrasonic wave data and infrasound Historical Monitoring data according to real-time monitoring
Determine the adjusting threshold value and drainage threshold value of pipeline stray electrical current, and is sent to the AC measurment transmission module for threshold value is adjusted；
Stray electrical current annoyance level judging unit, for according to monitored by infrasonic wave data and Historical Monitoring data, judge pipeline by
The time interfered to stray electrical current and degree；
Analysis and processing unit is analyzed for the measured value according to preset drainage threshold value and pipeline stray electrical current as a result, simultaneously
It is sent to the drainage control module.
5. a kind of Intelligent electric drainage of pipeline monitored by infrasonic wave supplementary AC stray electrical current as described in any one of claims 1 to 3
Device, which is characterized in that the central processing unit obtains analysis result using Neural Network Data coupling analytical method.
6. the Intelligent electric drainage method of pipeline monitored by infrasonic wave supplementary AC stray electrical current, which comprises the following steps:
1) the monitored by infrasonic wave data of tube pass acoustic monitoring system real-time monitoring pipeline, and send it to central processing unit；
2) central processing unit is gone through according to the pipeline infrasound in the monitored by infrasonic wave data and record storage module of real-time monitoring
History monitoring data judge time and degree that pipeline is interfered by stray electrical current；
3) stray electrical current of AC measurment transmission module real-time measurement pipeline, and the measured value of pipeline stray electrical current is sent to
Central processor；
4) central processing unit presets pipeline according to the monitored by infrasonic wave data and infrasound Historical Monitoring data of real-time monitoring
The drainage threshold value of stray electrical current；
5) central processing unit is analyzed according to the drainage threshold value and measured value of pipeline stray electrical current as a result, and being sent to drainage control
Molding block；
6) when the measured value that analysis result is pipeline stray electrical current reaches preset drainage threshold value, the control of drainage control module is existing
Field drain means are actuated for drainage, realize the Intelligent electric drainage operation to pipeline.
7. a kind of Intelligent electric drainage method of pipeline monitored by infrasonic wave supplementary AC stray electrical current as claimed in claim 6, special
Sign is, when the measured value of pipeline stray electrical current adjusting threshold value preset beyond central processing unit, AC measurment transmission module
Alarm signal is sent to alarm module, alarm module is alarmed, and sends pre-warning signal to central processing unit.
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| CN201910183380.XA CN109780450B (en) | 2019-03-12 | 2019-03-12 | Intelligent drainage device and method for auxiliary alternating current stray current through pipeline infrasonic wave monitoring |
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| CN201910183380.XA CN109780450B (en) | 2019-03-12 | 2019-03-12 | Intelligent drainage device and method for auxiliary alternating current stray current through pipeline infrasonic wave monitoring |
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| CN111678051A (en) * | 2020-05-22 | 2020-09-18 | 中国石油大学(北京) | Pipeline interference protection method, device, equipment and storage medium |
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| CN109780450B (en) | 2024-01-30 |
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