CN201014205Y - Pipeline safety early warning monitoring system - Google Patents
Pipeline safety early warning monitoring system Download PDFInfo
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- CN201014205Y CN201014205Y CNU2007201036932U CN200720103693U CN201014205Y CN 201014205 Y CN201014205 Y CN 201014205Y CN U2007201036932 U CNU2007201036932 U CN U2007201036932U CN 200720103693 U CN200720103693 U CN 200720103693U CN 201014205 Y CN201014205 Y CN 201014205Y
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Abstract
The utility model discloses a pipeline safety early warning monitored control system of many district's safety early warning of pipeline third party destruction. Relates to the technical field of mechanical vibration measurement, impact measurement and pipeline systems. The monitoring unit comprises a plurality of vibration sensors, a signal conditioning module of a central processing unit, a logic control module, a DSP digital signal processing center and a GPRS communication module which are connected in sequence; the monitoring center is that the GPRS communication module output is connected with the computer input, and the computer output is respectively connected with the display terminal, the printer, the alarm sound or the communication module and then connected with the GSM; the vibration sensor is subjected to mode identification by the central processing unit, the identified signal characteristics and position information are output to the GPRS communication system and transmitted to the monitoring center, and the computer of the monitoring center performs secondary judgment and then gives specific alarm information and position.
Description
Technical field
The utility model is a kind of pipe safety prewarning monitoring system that the pipeline third party destroys the safe early warning monitoring of multiple district.Relate to the measurement of mechanical vibration, the measurement and the pipe-line system technical field of impact.
Background technique
In recent years, because illegal mechanical equivalent of light excavation and artificial stolen etc. happen occasionally to the pipeline destroyed incident, if these destroy the pilferage incident and can not in time contain, gently then cause any property loss, heavy then produce casualties, make pipeline transport enterprise produce bigger negative social and political fallout.
At this situation, technological means commonly used at present is that leak detection system is installed on pipeline, but this detection means can only be to report to the police after leakage, but can not play the effect of early warning.The distributing optical fiber sensing early warning technology is at present also at the experimental stage, and infrared photography camera lens monitor mode is installed difficulty, and self-protection ability is very poor, and equipment itself also has certain blind area, can't play good monitoring purposes.The Kechuang that on April 20th, 2005 authorized is thought carefully development in science and technology Co., Ltd " oil and gas pipeline anti-theft prewarning apparatus " utility model patent, disclose a kind of utilization and measured sound signal every 1 kilometer sonic sensor of on pipeline, installing, reached main frame through the ground transmitting antenna and handled, report to the police along pipeline.This patent can be carried out omnidistance anti-theft early-warning monitoring to oil and gas pipeline, but owing to just be provided with the signal transmitting antenna every 1 kilometer, not only need great amount of investment, and outside transmitting antennas are exposed in a large number, very easily at first be subjected to the destruction of stealer, cause obscuring of equipment failure and destructive incident, the correct judgement of monitoring for anti-theft early-warning makes troubles.In addition for long distance pipeline, the third party destroys and concentrates on some risk sections specific, easy operation basically, and all the other most of pipeline sections are because own vehicle along the line and pedestrian can't enter, and the third party destroys and is difficult to produce.Therefore, in fact cost is a large amount of drops into that to adopt above-mentioned technology that oil and gas pipeline is carried out omnidistance anti-theft early-warning monitoring be unfavorable.
The model utility content
The purpose of this utility model is that a kind of oil and gas pipeline third party of invention destroys the anti-theft early-warning configuration of multiple district, more flexible, hidden, safe a kind of pipe safety prewarning monitoring system is installed.
The deficiency that the utility model exists at existing vibration sensing type oil and gas pipeline anti-theft prewarning apparatus; at the involving vibrations sensor; radio communication device; on the basis of Surveillance center; a kind of technological scheme of solution is proposed; be exactly that it is made up of Surveillance center and monitoring unit; monitoring unit distributes and is installed in the pipeline deathtrap that needs protection; connect central processing unit through pattern recognition by high-sensitivity vibration sensor; the signal characteristic that identifies and position information output are connected to the GPRS communication system are delivered to Surveillance center, Surveillance center's computer carries out providing concrete warning message and position after secondary is judged.
Specifically be that the above-mentioned monitoring unit of (see figure 1) comprises the multichannel high-sensitivity vibration sensor that is linked in sequence, signal condition module, Logic control module, DSP Digital Signal Processing center and the GPRS communication module of central processing unit.Transducing signal through the signal condition module amplify, filtering, shaping, A/D conversion, be input to Logic control module, select appropriate signals to be input to DSP Digital Signal Processing center, after purification processes is carried out to signal in DSP Digital Signal Processing center, judge from time domain and frequency domain two aspects, be sent to Surveillance center by the GPRS communication module after active data being converted to the form of definition.Surveillance center connects the computer input for the output of GPRS communication module, and computer output connects video terminal, printer, alarm sound or communication module respectively and meets GSM again.Surveillance center's computer carries out providing concrete warning message and position after secondary is judged.
Wherein the signal condition module directly receives the output from low power consumption, high-sensitivity vibration sensor, the direct and Surveillance center's communication of GPRS communication module.And high-sensitivity vibration sensor is directly installed on the pipeline, and the GPRS communication module directly is embedded in underground.
Wherein the powering mode of monitoring unit is made up of lithium cell, VDC modular converter and charging inlet, and the lithium cell group is powered to whole system by electric pressure converter, and battery pack can guarantee that continuous operation is more than at least eight months under the situation of not charging.
Wherein Surveillance center connects the computer input by the output of GPRS communication module, computer output connects video terminal, printer, alarm sound and communication module respectively and meets GSM again, and computer also can connect uninterruptable power source and can be with the interface equipment of the direct communication of mobile phone etc.After the computer of Surveillance center receives information, judge, the abnormal conditions that meet Rule of judgment are provided corresponding acoustooptic alarm and text warning message through secondary to data.Simultaneously, computer can also be delivered to warning message in corresponding one and a plurality of cell phones by gsm module.The computer of Surveillance center also can be stored in the record of reporting to the police in the database, inquires about at any time, prints for the user.
Wherein high-sensitivity vibration sensor is the acceleration vibration transducer; The signal condition module be have amplify, the module of filtering, shaping, A/D change-over circuit; Logic control module is a programmable logic chip; DSP Digital Signal Processing center is a digital signal processing chip; Below all there is city's pin universal product available; The GPRS communication module is city's pin universal product; And the computer of Surveillance center is selected process control machine for use, and video terminal, printer, alarm sound are all selected city's pin universal product for use; Gsm module is selected city's pin universal product for use.
The utility model compared with prior art has tangible characteristics and advantage, by above scheme as can be known, the mode that native system adopts the monitoring third party to destroy rattle is reported to the police and is located, belong to active threat incident early warning system, can when excavating, artificial punching, illegal machinery report to the police and locate, for preventing and avoiding the further deterioration of disaster to win the quality time.System adopts high power lithium battery power supply and GPRS communication system to guarantee the disguise and the Security of whole monitoring unit.In addition, system adopts comparatively advanced digital signal pattern recognition algorithm to guarantee high warning accuracy rate.
As seen, the utility model near the soil vibration detection sensitivity the pipeline, accurately, reliable, hidden, the safety of system, easy for operation, maintaining is simple, and is economical and practical.
Description of drawings
A kind of pipe safety prewarning monitoring system theory diagram of Fig. 1
A kind of pipe safety prewarning monitoring system main program flow chart of Fig. 2
Embodiment
Embodiment. embodiment of the present utility model is described and the utility model is further described with present embodiment.This example is a commerical test model machine, and it constitutes as shown in Figure 1.Specifically: high-sensitivity vibration sensor is selected the INV 9818 that the technical research of Beijing Orient vibration and noise produces for use, and (sensitivity is 158.06Pc/ms
-2) the type acceleration transducer, signal condition is selected the KLM-3014 type signal condition module of Beijing Collihigh Sensor Technology Center for use, the Logic control module master chip is selected the ispMACH4A5-128/64 programmable logic chip (CPLD) of U.S. Lattice company development and production for use, DSP Digital Signal Processing center dies is selected TMS320F240 for use, the GPRS communication module is selected BENQ M22 model for use, and Surveillance center's computer is selected the DELLGX3280 desktop computer for use.
After near the soil buried steel pipe or the close steel pipe is clashed into, highly sensitive vibration transducer can receive the oscillating signal that bump sends, sort signal amplifies through the signal condition module, filtering, shaping, after the A/D conversion waits and handles, be input to Logic control module, select appropriate signals to be input to the DSP processing center, after the DSP processing center is carried out purification processes to signal, judge from time domain and frequency domain two aspects, be sent to Surveillance center by the GPRS communication module after active data being converted to the form of definition, after the computer of Surveillance center receives information, judge through secondary, the abnormal conditions that meet Rule of judgment are provided corresponding acoustooptic alarm and text warning message data.Simultaneously, computer can also be delivered to warning message in corresponding one and a plurality of cell phones by gsm module.The computer of Surveillance center also can be stored in the record of reporting to the police in the database, inquires about at any time, prints for the user.
Each module is implemented as follows:
1, the acceleration vibration transducer of high sensitivity, low power consumption is collected extraneous various noise, utilizes a kind of special base to be installed on the pipeline, can collect the people beyond 500 meters-2000 meters or the signal of machinery jarring on steel pipe;
2, after the signal condition module receives sensor information, at first carry out bandpass filtering, frequency band is decided to be 50-800Hz according to the scope of threat signal, amplifies processing then, and magnification factor can be regulated, and regulates multiple and selects according to on-site actual situations; In addition, the function of signal condition module also comprises 14 multichannel A/D conversion;
3, the Logic control module master chip is selected the ispMACH4A5-128/64 programmable logic chip (CPLD) of U.S. Lattice company development and production for use, mainly finish the Logical Configuration and the control of various input/output states, comprise that choosing channel data unsaturated and that signal is the strongest from the signal of multichannel enters DSP signal processing center as analytic target;
4, the DSP processing center is the core of monitoring unit, it is to be analytic target with the Logic control module data selected, these data are carried out the amplitude judgement in elder generation and the frequency spectrum anticipation is had no progeny, the pattern recognition secondary that carries out that meets the demands is judged, and extract effective characteristic information, be sent back in the computer of Surveillance center via the GPRS communication module then, carry out aggregate analysis with the expert database of being set up then and judge, finally determine alert levels;
5, power supply system is made up of lithium cell group, VDC modular converter and charging inlet, and the lithium cell group is powered to whole system by electric pressure converter, and battery pack can guarantee that continuous operation is more than at least eight months under the situation of not charging;
6, Surveillance center partly is made up of GPRS communication apparatus, computer, display device, alarm sound, printer, gsm module, uninterruptable power source etc.Supervisory control comuter is monitored each substation, comprises regularly each monitoring unit is patrolled and examined, monitoring unit is beamed back the Alert data that comes finally judged, preserve various Alert datas and report to the police after information, provide inquiry and printout to the user; After abnormal conditions appear in the institute protected zone, Surveillance center's display device display alarm information and alert levels, and on piping plan, show the relevant position; Alarm sound carries out auditory tone cues reports to the police, and printer is used for output alarm information; Gsm module can send to warning message in the mobile phone of appointment.
System operating mode and characteristics:
Native system is made up of a Surveillance center and a plurality of monitoring unit, and the quantity of monitoring unit can be according to factor decisions such as the protection duct length in the deathtrap number of concrete protection, each zone, protection location geographic information situations.The every certain interval of time of Surveillance center is patrolled and examined each monitoring unit, the mode of patrolling and examining adopts byte code name mode, send the different order of different byte representations, as close and open radio station, debug system, real-time transmission data, close and open communication module etc.After monitoring unit receives the information of patrolling and examining, if working properlyly promptly can return a reply data.Patrol and examine finish after, Surveillance center changes passive accepting state over to, monitoring unit carries out real-time collection, judgement, qualified signal is carried out the extraction of eigenvalue, result and the position information related data extracted are beamed back Surveillance center, finally judge (with reference to figure 2 system flow charts) by Surveillance center.The GPRS wireless telecommunications system of monitoring unit is in when not sending data closes wait state to save power supply.If the sensor of substation breaks down, monitoring unit can send a ruined warning message of sensor to the center, in addition, and in order to reduce power supply energy, computer by Surveillance center can also be provided with safety time, and promptly during this period of time system can close automatically.The main interface of Surveillance center utilizes the geographical information system map of normal pipeline to constitute, and after the threat incident occurring, alarm signal can appear in the corresponding geographical position of monitoring pipeline, provides alert levels simultaneously.
This routine experimental prototype is through test, test, to near the soil vibration detection sensitivity the pipeline, accurate, reliable, the configuration of system, more flexible, hidden, the safety of installation, easy for operation, maintaining is simple, the input of oil and gas pipeline anti-theft early-warning is descended, and is economical and practical active pipeline anti-theft prewarning apparatus.
Claims (8)
1. a pipeline third party destroys a kind of pipe safety prewarning monitoring system that multiple district safe early warning is monitored, involving vibrations sensor, radio communication device, Surveillance center, it is characterized in that forming by Surveillance center and monitoring unit, monitoring unit distributes and is installed in the pipeline deathtrap that needs protection, and monitoring unit comprises the multichannel high-sensitivity vibration sensor that is linked in sequence, signal condition module, Logic control module, DSP Digital Signal Processing center and the GPRS communication module of central processing unit; Transducing signal is handled through the signal condition module, be input to Logic control module, select appropriate signals to be input to the DSP processing center, after the DSP processing center is carried out purification processes to signal, judge from time domain and frequency domain two aspects, be sent to Surveillance center by the GPRS communication module after active data being converted to the form of definition; Surveillance center connects the computer input for the output of GPRS communication module, and computer output connects video terminal, printer, alarm sound or communication module respectively and meets GSM again, and Surveillance center's computer carries out providing concrete warning message and position after secondary is judged.
2. a kind of pipe safety prewarning monitoring system according to claim 1 is characterized in that described high-sensitivity vibration sensor is the acceleration vibration transducer, is directly installed on the pipeline.
3. a kind of pipe safety prewarning monitoring system according to claim 1 is characterized in that the powering mode of monitoring unit is made up of lithium cell, VDC modular converter and charging inlet, and the lithium cell group is powered to whole system by electric pressure converter.
4. a kind of pipe safety prewarning monitoring system according to claim 1 is characterized in that described monitoring unit GPRS communication module directly is embedded in underground.
5. a kind of pipe safety prewarning monitoring system according to claim 1, it is characterized in that Surveillance center's computer also can connect uninterruptable power source or can with the interface equipment of the direct communication of mobile phone.
6. a kind of pipe safety prewarning monitoring system according to claim 1, it is characterized in that described signal condition module be have amplify, the module of filtering, shaping, A/D change-over circuit.
7. a kind of pipe safety prewarning monitoring system according to claim 1 is characterized in that described Logic control module is a programmable logic chip.
8. a kind of pipe safety prewarning monitoring system according to claim 1 is characterized in that described DSP Digital Signal Processing center is a digital signal processing chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201036932U CN201014205Y (en) | 2007-03-01 | 2007-03-01 | Pipeline safety early warning monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2007201036932U CN201014205Y (en) | 2007-03-01 | 2007-03-01 | Pipeline safety early warning monitoring system |
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| CNU2007201036932U Expired - Lifetime CN201014205Y (en) | 2007-03-01 | 2007-03-01 | Pipeline safety early warning monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561309B (en) * | 2009-05-31 | 2010-11-03 | 常州市计量测试技术研究所 | Online measurement device and measurement method thereof for pipeline flux instrument |
| CN107289331A (en) * | 2017-06-16 | 2017-10-24 | 芜湖航飞科技股份有限公司 | Pipeline prior-warning device based on the Big Dipper |
| CN107327703A (en) * | 2017-06-16 | 2017-11-07 | 芜湖航飞科技股份有限公司 | Pipeline pre-warning system based on the Big Dipper |
| CN108122354A (en) * | 2017-11-17 | 2018-06-05 | 李瑾慧 | A kind of anti-external force of radio and television underground utilities destroys system |
-
2007
- 2007-03-01 CN CNU2007201036932U patent/CN201014205Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561309B (en) * | 2009-05-31 | 2010-11-03 | 常州市计量测试技术研究所 | Online measurement device and measurement method thereof for pipeline flux instrument |
| CN107289331A (en) * | 2017-06-16 | 2017-10-24 | 芜湖航飞科技股份有限公司 | Pipeline prior-warning device based on the Big Dipper |
| CN107327703A (en) * | 2017-06-16 | 2017-11-07 | 芜湖航飞科技股份有限公司 | Pipeline pre-warning system based on the Big Dipper |
| CN108122354A (en) * | 2017-11-17 | 2018-06-05 | 李瑾慧 | A kind of anti-external force of radio and television underground utilities destroys system |
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