CN202040546U - System for monitoring pipeline blocking based on sound wave - Google Patents
System for monitoring pipeline blocking based on sound wave Download PDFInfo
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- CN202040546U CN202040546U CN2010202886103U CN201020288610U CN202040546U CN 202040546 U CN202040546 U CN 202040546U CN 2010202886103 U CN2010202886103 U CN 2010202886103U CN 201020288610 U CN201020288610 U CN 201020288610U CN 202040546 U CN202040546 U CN 202040546U
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Abstract
A system for monitoring pipeline blocking based on a sound wave is characterized by comprising the following components: a low-frequency sound wave transmitter which generates a higher-strength frequency-selective low-frequency sound wave and transmits into detected pipeline; a sound wave sensor which converts the sound wave signal in the pipeline to an electric signal and transmits a front-end processing module in real time; a data acquisition processing terminal which performs preprocessing and amplification for the sound wave signal that is acquired by the sound wave sensor for converting into a multiple-channel sound wave signal in a digital domain; a blocking monitoring positioning server which establishes and maintains the communication channel of each data acquisition terminal and receives the data that are transmitted from each data acquisition terminal node for calculating the flow state of the pipeline through calculation; and a monitoring terminal which displays the direction and the flow state of the pipeline in real time.
Description
Technical field
The utility model relates to a kind of system that is used for the line clogging monitoring.
Background technique
Pipeline transport is big because of freight volume, advantages such as power consumption is low, economic environmental protection, becomes the main means of transportation of oil, rock gas rapidly, occupies more and more important position in national economy.Because the most of pipeline of China was runed more than 20 year even 30 years, pipeline strength and coating integrity all enter critical days, most pipelines exist and mobile relevant potential safety hazard, along with pipeline prolongation, raw material, constructional deficiency, environmental corrosion and the external action of operation phase, accident potential is increased greatly.To this, relevant industries have been done number of research projects both at home and abroad, have formed some effective technology.Mainly comprise: determine to guarantee the simulation technique of the mobile safety measure of pipeline, utilize insulation, the method for injecting chemical agent or pigging prevents the line clogging technology, eliminates the mobile restoring technology of obstruction.But it is effective like that to prevent that usually the measure of stopping up from may not expect, and the technological means of eliminating line clogging relatively lacks, and therefore in time finds the submarine pipeline sexual abnormality that flows, and preventing trouble before it happens is the key that ensures the submarine pipeline operation.The line clogging Condition Monitoring Technology helps in time finding and handling the mobile unusual condition of pipeline, is to ensure that pipe safety moves critical technological means.This being monitored effective method and utilize the sound wave technology exactly, because sound wave can effectively reflect the flowing state of pipeline inner fluid, is the powerful measure of carrying out flowing state monitoring in the pipeline.Existing line clogging monitoring system based on the barotropic wave technology is bigger to the pipeline life influence, and there are deficiency to a certain degree in Location accuracy and false alarm rate aspect.
The model utility content
Based on existing pipeline present situation, technical problem to be solved in the utility model provides a kind of system that is used for the line clogging monitoring based on sound wave, solved existing line clogging monitoring system at pipe damage, the problem of aspects such as Location accuracy and false alarm rate.
A kind of system that is used for the line clogging monitoring that the utility model proposes based on sound wave, mainly form by low-frequency sound wave launcher, sound wave sensor, data acquisition process terminal, obstruction Monitoring and Positioning server, monitor terminal, it is characterized in that: the low-frequency sound wave that the low-frequency sound wave launcher produces the bigger frequency selected of intensity also is transmitted among the detected pipeline, senses this acoustic signals and in real time ducted acoustic signals is converted to electrical signal and be transferred to the front-end processing module by being arranged on sound wave sensor on the pipeline; Then, the data acquisition process terminal the sound wave sensor acquisition that receives to the sound wave signal carry out pretreatment and amplification, the multichannel sound wave signal that is converted to numeric field sends to and stops up the Monitoring and Positioning server, stop up the Monitoring and Positioning server and receive the data that each Data collectien terminal node transmits in real time, by calculating identification pipeline flowing state, when flowing states such as generation obstruction are unusual, system can send warning, and calculate according to signal processing results and to stop up a some position, notify monitor terminal simultaneously; And by real-time display pipes trend of monitor terminal and flowing state.
On the other hand, the low-frequency sound wave launcher mainly contains three parts to be formed, and first portion is a waveform generator, and it produces the waveform signal of a definite form; Second portion is a power amplifier, and the signal that waveform generator is produced carries out the power amplification processing; Third part is the load transducer, and it converts the electrical signal to acoustic signal, and is radiated in the medium and goes.
On the other hand, its data acquisition process terminal mainly is made up of amplifier, wave filter, AD converter.
On the other hand, its data acquisition process terminal is carried out the pretreatment of filtering to signal, utilizes gps signal to carry out exact time synchronization, and by communication network, is real-time transmitted to and stops up the Monitoring and Positioning server.
The system that is used for the line clogging monitoring based on sound wave has following characteristics:
1) install simply, cost and maintenance cost are not high;
2) be quick on the draw, can in time detect line clogging;
When 3) stopping up some monitoring, do not need pipeline shutdown, can not cause adverse effect pipeline and pipe production, safe;
4) avoided of the damage of barotropic wave technology to pipeline, safe;
5) system adopts open software and hardware system framework and modular structure, is convenient to system maintenance and upgrading, also helps the further lifting of systematic function.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is described in further detail.
Fig. 1 is based on the line clogging monitoring system of sound wave;
Fig. 2 launcher is formed;
Fig. 3 Data collectien terminal is handled block diagram.
Wherein comprise in the accompanying drawing 1: synchronous satellite 1, the pipeline status monitoring server 2 that flows, monitor terminal 3, Internet or VPN 4, data transmission network 5, data acquisition process terminal and transmission platform 6, low-frequency sound wave launcher 7, sound wave sensor 8, obstruction place 9.
Embodiment
The basic functional principle that is used for the line clogging monitoring system based on sound wave in the utility model is from pipeline one end emission sound wave signal, because the waveguide effect of pipeline, the sound wave signal will the form with plane wave be propagated in pipeline.The sound wave little long transmission distance that decays can propagate into the obstruction point outside tens kilometers even the kilometer up to a hundred.When sound wave suffered from line clogging point (whole obstruction points that reason such as, deposition stifled owing to ice causes or partly stop up a little), the acoustic wave segment energy was blocked point reflection, and along pipeline Returning pipe transmitting terminal.By detecting emission sound wave and reflection echo, can determine the blockage of pipeline, and accurately the some position is stopped up in the location.
The system that is used for the line clogging monitoring based on sound wave in the utility model mainly includes the low-frequency sound wave launcher, the sound wave sensor, and the data acquisition process terminal is stopped up the Monitoring and Positioning server, monitor terminal.The simultaneity factor operation needs the support of computer network (operation ICP/IP protocol) and GPS.As shown in Figure 1, form with function as follows based on the line clogging monitoring system each several part that is used for of sound wave:
The low-frequency sound wave launcher
The main effect of low-frequency sound wave launcher is that the low-frequency sound wave and the efficient conduction of the bigger frequency selected of generation intensity arrives among the detected pipeline.Select different frequencies according to actual pipeline needs.The low-frequency sound wave launcher does not need pipeline shutdown when stopping up some monitoring, can not cause adverse effect to pipe production, especially to fluid pipeline, has avoided the life-span influence to pump, valve and pipeline of pressure that the pressure wave water hammer produces.
The fundamental composition of low-frequency sound wave launcher mainly contains three parts and forms as shown in Figure 2, and first portion is a waveform generator, and its function is the waveform signal that produces a definite form, and its frequency of okperation, Pulse length and repetition period all can be selected.Second portion is a power amplifier, and by the signal that waveform generator produces, power is very little, can not directly drive transducer to the enough acoustic wave energies of working medium radiation.Third part is the load transducer of transmitter, and it is being undertaken and is converting the electrical signal to acoustic signal, and is radiated the task of going in the medium.
The sound wave sensor
In real time ducted acoustic signals is converted to electrical signal and is transferred to the front-end processing module.System adopts the highly sensitive sound wave sensor of customization, has solved the seizure problem of faint sound wave signal effectively, for the reliable operation of system lays a solid foundation.
The data acquisition process terminal
Data acquisition process terminal major function be the sound wave sensor acquisition to the sound wave signal carry out pretreatment and amplification, be converted to the multichannel sound wave signal of numeric field, by several different methods such as Wiener filtering, adaptive-filterings signal is carried out pretreatment, utilize gps signal to carry out exact time synchronization, and, be real-time transmitted to and stop up the Monitoring and Positioning server by communication network.
The data acquisition process terminal pins adopts effective signal processing method to actual pipeline, solves the problem of small-signal amplification and noise suppression, thereby the raising system is to stopping up the Location accuracy of point.Mainly form by amplifier, wave filter, AD converter.Data collectien terminal is handled block diagram as shown in Figure 3.
Stop up the Monitoring and Positioning server
Stopping up Monitoring and Positioning server major function is to set up and safeguard the communication channel of each Data collectien terminal, receive the data that each Data collectien terminal node transmits in real time, by calculating the mobile state of identification submarine pipeline, when flowing states such as generation obstruction are unusual, system can send warning, and calculate according to signal processing results and to stop up a some position, notify monitor terminal simultaneously.Stop up the Monitoring and Positioning server and adopt advanced mode identification method, reduced the false alarm rate of system.
Monitor terminal
The major function of monitor terminal is real-time display pipes trend and flowing state, and operator and caretaker can realize that systems management and parameter are provided with on the man-machine interface of monitor terminal and wait operation and manage operating in.When line clogging takes place, in time send and report to the police and the startup emergency processing.
Claims (3)
1. system that is used for line clogging monitoring based on sound wave, mainly form by low-frequency sound wave launcher, sound wave sensor, data acquisition process terminal, obstruction Monitoring and Positioning server, monitor terminal, it is characterized in that: the low-frequency sound wave that the low-frequency sound wave launcher produces the bigger frequency selected of intensity also is transmitted among the detected pipeline, senses this acoustic signals and in real time ducted acoustic signals is converted to electrical signal and be transferred to the front-end processing module by being arranged on sound wave sensor on the pipeline; Then, the data acquisition process terminal the sound wave sensor acquisition that receives to the sound wave signal carry out pretreatment and amplification, the multichannel sound wave signal that is converted to numeric field sends to and stops up the Monitoring and Positioning server, stop up the Monitoring and Positioning server and receive the data that each Data collectien terminal node transmits in real time, by calculating identification pipeline flowing state, when flowing states such as generation obstruction are unusual, system can send warning, and calculate according to signal processing results and to stop up a some position, notify monitor terminal simultaneously; And by real-time display pipes trend of monitor terminal and flowing state.
2. the system as claimed in claim 1 is characterized in that: the low-frequency sound wave launcher mainly contains three parts to be formed, and first portion is a waveform generator, and it produces the waveform signal of a definite form; Second portion is a power amplifier, and the signal that waveform generator is produced carries out the power amplification processing; Third part is the load transducer, and it converts the electrical signal to acoustic signal, and is radiated in the medium and goes.
3. the system as claimed in claim 1, it is characterized in that: its data acquisition process terminal mainly is made up of amplifier, wave filter, AD converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202886103U CN202040546U (en) | 2010-08-12 | 2010-08-12 | System for monitoring pipeline blocking based on sound wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202886103U CN202040546U (en) | 2010-08-12 | 2010-08-12 | System for monitoring pipeline blocking based on sound wave |
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| CN202040546U true CN202040546U (en) | 2011-11-16 |
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| CN2010202886103U Expired - Lifetime CN202040546U (en) | 2010-08-12 | 2010-08-12 | System for monitoring pipeline blocking based on sound wave |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563361A (en) * | 2012-01-18 | 2012-07-11 | 中国石油大学(华东) | Device and method for detecting and positioning leakage of gas transmission pipeline based on conventional data and sound wave signals |
| CN102588743A (en) * | 2012-03-08 | 2012-07-18 | 东北大学 | Device and method for real-time tracking and accurate positioning for internal detector in pipeline |
| CN102705712A (en) * | 2012-05-30 | 2012-10-03 | 辽宁工程技术大学 | Method for monitoring ice blocking position of pipeline transmitted ice slurry |
| CN103644457A (en) * | 2013-12-13 | 2014-03-19 | 东北石油大学 | Pipeline blockage positioning method and device |
| CN104006299A (en) * | 2014-05-16 | 2014-08-27 | 中国海洋石油总公司 | Pipeline blockage monitoring system and monitoring fusing processing method thereof |
| CN104100840A (en) * | 2014-07-09 | 2014-10-15 | 中国海洋石油总公司 | Pipeline blockage monitoring system and detection method thereof for blockage signals under strong interference |
| CN104613320A (en) * | 2015-01-21 | 2015-05-13 | 西安科技大学 | Positioning device for pipeline blockage points |
| CN105927862A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Method for acoustically monitoring blockage of gas extraction pipeline |
| CN105953079A (en) * | 2016-07-01 | 2016-09-21 | 北京华科合创科技发展有限公司 | Pipe cleaning ball positioning system for oil and gas pipeline |
| CN106442721A (en) * | 2016-08-29 | 2017-02-22 | 山东胜伟园林科技有限公司 | Filter material wave tube obstruction positioning apparatus and positioning method |
| CN107218518A (en) * | 2017-04-17 | 2017-09-29 | 昆明理工大学 | A kind of detection method of detection means for drain line blockage failure |
| CN107355687A (en) * | 2017-06-09 | 2017-11-17 | 昆明理工大学 | A kind of sewer pipe fault detection method |
| CN107505649A (en) * | 2017-07-19 | 2017-12-22 | 防城港市港口区晶通科技有限公司 | A kind of judgement chemical industry scene drain valve block system based on sound speed detection |
| CN107543738A (en) * | 2017-07-19 | 2018-01-05 | 防城港市港口区晶通科技有限公司 | A kind of automatic sulfuric acid sampling bottle blocked based on the anti-thief hatch of sound speed detection |
| CN109114436A (en) * | 2018-09-13 | 2019-01-01 | 大连理工大学 | Line clogging detection system based on low-frequency sound wave |
| CN110850466A (en) * | 2019-11-06 | 2020-02-28 | 中国矿业大学 | Filling pipeline blockage detection device and detection method |
| CN111385724A (en) * | 2018-12-28 | 2020-07-07 | 财团法人工业技术研究院 | Detection system and detection method |
| CN111664364A (en) * | 2020-06-01 | 2020-09-15 | 华东理工大学 | Buried pipeline leakage online monitoring system and monitoring method |
| CN113219541A (en) * | 2021-04-16 | 2021-08-06 | 浙江纺织服装职业技术学院 | Non-metal pipe blocking detection device |
| CN113236979A (en) * | 2021-04-19 | 2021-08-10 | 中国建筑第七工程局有限公司 | Real-time feedback system for blockage of super high-rise concrete pump pipe |
| CN113324603A (en) * | 2021-04-16 | 2021-08-31 | 浙江纺织服装职业技术学院 | Detection apparatus for nonmetal pipe flow through state |
| CN113588797A (en) * | 2020-04-30 | 2021-11-02 | 中国石油化工股份有限公司 | Shaft salt deposition monitoring device and method for gas storage |
| US11525811B2 (en) | 2018-12-28 | 2022-12-13 | Industrial Technology Research Institute | Detection system and detection method |
| CN116145962A (en) * | 2023-03-06 | 2023-05-23 | 河南五建混凝土有限公司 | Anti-blocking pipe system and method for conveying concrete mortar |
-
2010
- 2010-08-12 CN CN2010202886103U patent/CN202040546U/en not_active Expired - Lifetime
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563361A (en) * | 2012-01-18 | 2012-07-11 | 中国石油大学(华东) | Device and method for detecting and positioning leakage of gas transmission pipeline based on conventional data and sound wave signals |
| CN102588743A (en) * | 2012-03-08 | 2012-07-18 | 东北大学 | Device and method for real-time tracking and accurate positioning for internal detector in pipeline |
| CN102705712A (en) * | 2012-05-30 | 2012-10-03 | 辽宁工程技术大学 | Method for monitoring ice blocking position of pipeline transmitted ice slurry |
| CN103644457B (en) * | 2013-12-13 | 2016-01-06 | 东北石油大学 | A kind of localization method of line clogging and device |
| CN103644457A (en) * | 2013-12-13 | 2014-03-19 | 东北石油大学 | Pipeline blockage positioning method and device |
| CN104006299B (en) * | 2014-05-16 | 2016-08-24 | 中国海洋石油总公司 | A kind of monitoring pipeline blocking system and monitoring method for amalgamation processing thereof |
| CN104006299A (en) * | 2014-05-16 | 2014-08-27 | 中国海洋石油总公司 | Pipeline blockage monitoring system and monitoring fusing processing method thereof |
| CN104100840A (en) * | 2014-07-09 | 2014-10-15 | 中国海洋石油总公司 | Pipeline blockage monitoring system and detection method thereof for blockage signals under strong interference |
| CN104100840B (en) * | 2014-07-09 | 2016-08-17 | 中国海洋石油总公司 | Monitoring pipeline blocking system and under strong jamming the detection method of jam signal |
| CN104613320A (en) * | 2015-01-21 | 2015-05-13 | 西安科技大学 | Positioning device for pipeline blockage points |
| CN104613320B (en) * | 2015-01-21 | 2017-05-31 | 西安科技大学 | Line clogging location device |
| CN105927862B (en) * | 2016-04-21 | 2018-08-07 | 中国矿业大学 | A kind of method that sound wave monitoring gas pumping pipeline blocks |
| CN105927862A (en) * | 2016-04-21 | 2016-09-07 | 中国矿业大学 | Method for acoustically monitoring blockage of gas extraction pipeline |
| CN105953079A (en) * | 2016-07-01 | 2016-09-21 | 北京华科合创科技发展有限公司 | Pipe cleaning ball positioning system for oil and gas pipeline |
| CN106442721A (en) * | 2016-08-29 | 2017-02-22 | 山东胜伟园林科技有限公司 | Filter material wave tube obstruction positioning apparatus and positioning method |
| CN107218518A (en) * | 2017-04-17 | 2017-09-29 | 昆明理工大学 | A kind of detection method of detection means for drain line blockage failure |
| CN107218518B (en) * | 2017-04-17 | 2019-02-19 | 昆明理工大学 | A kind of detection method of the detection device for drain line blockage failure |
| CN107355687A (en) * | 2017-06-09 | 2017-11-17 | 昆明理工大学 | A kind of sewer pipe fault detection method |
| CN107505649A (en) * | 2017-07-19 | 2017-12-22 | 防城港市港口区晶通科技有限公司 | A kind of judgement chemical industry scene drain valve block system based on sound speed detection |
| CN107543738A (en) * | 2017-07-19 | 2018-01-05 | 防城港市港口区晶通科技有限公司 | A kind of automatic sulfuric acid sampling bottle blocked based on the anti-thief hatch of sound speed detection |
| CN109114436A (en) * | 2018-09-13 | 2019-01-01 | 大连理工大学 | Line clogging detection system based on low-frequency sound wave |
| CN111385724A (en) * | 2018-12-28 | 2020-07-07 | 财团法人工业技术研究院 | Detection system and detection method |
| CN111385724B (en) * | 2018-12-28 | 2021-12-28 | 财团法人工业技术研究院 | Detection system and detection method |
| US11525811B2 (en) | 2018-12-28 | 2022-12-13 | Industrial Technology Research Institute | Detection system and detection method |
| CN110850466A (en) * | 2019-11-06 | 2020-02-28 | 中国矿业大学 | Filling pipeline blockage detection device and detection method |
| CN113588797A (en) * | 2020-04-30 | 2021-11-02 | 中国石油化工股份有限公司 | Shaft salt deposition monitoring device and method for gas storage |
| CN111664364A (en) * | 2020-06-01 | 2020-09-15 | 华东理工大学 | Buried pipeline leakage online monitoring system and monitoring method |
| CN113219541A (en) * | 2021-04-16 | 2021-08-06 | 浙江纺织服装职业技术学院 | Non-metal pipe blocking detection device |
| CN113324603A (en) * | 2021-04-16 | 2021-08-31 | 浙江纺织服装职业技术学院 | Detection apparatus for nonmetal pipe flow through state |
| CN113236979A (en) * | 2021-04-19 | 2021-08-10 | 中国建筑第七工程局有限公司 | Real-time feedback system for blockage of super high-rise concrete pump pipe |
| CN116145962A (en) * | 2023-03-06 | 2023-05-23 | 河南五建混凝土有限公司 | Anti-blocking pipe system and method for conveying concrete mortar |
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Granted publication date: 20111116 |