CN1360200A - In-line detection system for pipe burst failure in water supply pipeline network in urban area - Google Patents
In-line detection system for pipe burst failure in water supply pipeline network in urban area Download PDFInfo
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- CN1360200A CN1360200A CN 02100405 CN02100405A CN1360200A CN 1360200 A CN1360200 A CN 1360200A CN 02100405 CN02100405 CN 02100405 CN 02100405 A CN02100405 A CN 02100405A CN 1360200 A CN1360200 A CN 1360200A
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Abstract
An in-line detection system for finding the pipe explosion failure of water supply pipeline network is composed of the control center MTU which consists of computer, multi-channel transceiver, modem and data set, and the remote terminals (RTU) which consists of data set, modem, multi-channel transceiver, microprocessor, A/D converter, water pressure sensor, and flow sensor. An in-line detection program is stored in the memory of computer. Its advantages are easy detection and high correctness.
Description
Technical field
The invention belongs to the measurement class of tap water supply, relate in particular to the detection of public supply mains booster fault.
Background technology
At present, the many water-supply systems of China are provided with the pipe network data acquisition system (DAS), it is monitored automatically to the hydraulic pressure and the flow of some node of pipe network, and adopts wireless mode to pass hydraulic pressure and flow value back control center in real time, monitors the working condition of whole water system with this.But owing to lack effective fault detection system and detection method, running into burst accident, during as the booster fault, can't in time and carry out the understanding of localization of fault and fault degree exactly.
Summary of the invention
The purpose of this invention is to provide a kind of in-line detection system for pipe burst failure in water supply pipeline network in urban area,, also detect a class location of fault and degree such as water-supply systems booster fast exactly to solve an above-mentioned difficult problem.
The object of the present invention is achieved like this, a kind of in-line detection system for pipe burst failure in water supply pipeline network in urban area, and it is made up of a MTU of control center and several teletransmission terminals RTU, is used for the online detection of class faults such as public supply mains booster,
Wherein, by
1, one computing machine is provided with central processing unit and storer in it, be used for controlling teletransmission terminal image data under data acquisition system (DAS) is supported, and the image data that the teletransmission terminal is passed back is put in order and analyzed; Under the support of fault detection system, carry out water supply network booster On-line Fault Detection and output testing result;
2. hyperchannel drives receiver: be used for reception, conversion and the transmission of signal;
3. modulator-demodular unit: be used for the mutual conversion between simulating signal and the digital signal;
4. data set is used for computer instruction is passed to the teletransmission terminal by wireless signal, and receives the data that the teletransmission terminal is passed back;
Be linked in sequence and form the described MTU of control center, be used to control public supply mains teletransmission terminal image data, receive the data that the teletransmission terminal is passed back, and data are put in order, are analyzed and show testing result;
With
5, the terminal data set is used to receive control center's instruction, and passes hydraulic pressure and the data on flows signal gathered back control center;
6, terminal modem: be used for the mutual conversion between teletransmission terminal simulation signal and the digital signal;
7, the terminal hyperchannel drives receiver: be used for reception, conversion and the transmission of terminal passageway signal;
8, microprocessor: it is interior and be provided with storer, is used to receive control center's instruction, and control center is handled, stores and passed back to the measurement data of hydraulic pressure sensor, flow sensor collection;
9, terminal A/D converter: be used for being converted to digital signal, the entry terminal microprocessor with gathering hydraulic pressure and the flow signal measured;
10, hydraulic pressure sensor: be used to gather the pressure of measuring place teletransmission terminal water pipe site;
11, flow sensor: be used to gather the flow of measuring place teletransmission terminal water pipe site;
12, battery: it forms device and is connected with each, is used for teletransmission terminal collection measurement, digital-to-analog conversion, storage, reception, emission and controls required power supply;
The teletransmission terminal RTU that forms, its terminal data set, terminal modem, terminal hyperchannel driving receiver, microprocessor, terminal A/D converter are linked in sequence, the terminal A/D converter also is connected with hydraulic pressure sensor, flow sensor respectively, is used for the online detection of teletransmission terminal mission control center to public supply mains booster fault.
Be provided with the online trace routine of public supply mains booster fault in described its computer memory of the MTU of control center, comprise the following steps:
1, start computing machine, online detection software systems of water supply network booster and storage are set;
2, input pipe network basic data and storage;
3, the teletransmission terminal that control center instruction is positioned at water factory, pumping plant and place, water supply network monitoring point carry out hydraulic pressure and (or) flow monitoring;
4, teletransmission terminal follow procedure instruction carry out hydraulic pressure and (or) measurement, collection and the storage of flow, and pass measurement data back control center;
5, control center analyzes the image data that the teletransmission terminal is passed back, makes water supply network and whether has the booster fault, and carry out booster failure location and fault degree judgement.
The present invention has been owing to adopted above technical scheme, sets up other corresponding relation between the monitoring node variation in water pressure not of limited monitoring node variation in water pressure and pipe network, detects the fault of water supply network with the monitoring point variation in water pressure.At first off-line is set up under the various representative malfunctions of water supply network, limited monitoring point variation in water pressure and the database that does not concern between the monitoring node variation in water pressure, in case water supply network breaks down, as long as limited monitoring point variation in water pressure of input just can be easy to detection failure position and fault degree.According to the size of water supply network, this process can be finished in tens seconds at several seconds, thereby accomplished On-line Fault Detection; Simultaneously, because the most responsive hydraulic pressure value of booster fault is monitored, thereby can accomplish that fault accurately detects.
From the above mentioned, the present invention can be fast and a class location of fault and a degree such as online exactly detection water-supply systems booster, greatly improve water-supply systems and tackled the ability of various burst accidents, simultaneously, also significantly improved the management level and the service quality of urban water supply.
Description of drawings
Fig. 1 is the work synoptic diagram of a kind of in-line detection system for pipe burst failure in water supply pipeline network in urban area of the present invention;
Fig. 2 is the theory structure synoptic diagram of a kind of in-line detection system for pipe burst failure in water supply pipeline network in urban area of the present invention;
Fig. 3 is the program flow diagram of a kind of in-line detection system for pipe burst failure in water supply pipeline network in urban area of the present invention.
Among the figure:
1, control center 2, computing machine 3, hyperchannel drives receiver
4, modulator-demodular unit 5, data set 6, teletransmission terminal
7, terminal data set 8, terminal modem 9, the terminal hyperchannel drives receiver
10, microprocessor 11, terminal A/D converter 12, hydraulic pressure sensor
13, flow sensor 14, battery
Embodiment
In Fig. 1, in-line detection system for pipe burst failure in water supply pipeline network in urban area is made up of control center (MTU) 1 and some remote measurement teletransmission terminals (RTU) 6.Wherein, control center 1 can be located at main water factory or water supply control room etc. and locates.Teletransmission terminal 6 is located at water factory, pumping plant and the some nodes of water supply network etc. respectively and locates, carry out hydraulic pressure and (or) the online detection of flow.Control center 1 and teletransmission terminal 6, it transmits execution command by the data set 5, the terminal data set 7 that transmit wireless signal, or beams back the image data of hydraulic pressure, flow; And carry out the analysis of image data by control center 1, quick and precisely make the online detection of public supply mains booster fault.
In Fig. 2, in-line detection system for pipe burst failure in water supply pipeline network in urban area is made up of control center 1 and some teletransmission terminals 6.Wherein, control center 1 is linked in sequence by lead and forms by being located at computing machine 2, hyperchannel driving receiver 3, modulator-demodular unit 4, the data set 5 located in main water factory or water supply control room etc., be used to control water supply network teletransmission terminal image data, receive the data that the teletransmission terminal is passed back, and data are put in order, are analyzed and show testing result.It shows that testing result can be indicator screen and shows or printer prints.Hyperchannel drives receiver 3, can adopt hyperchannel RS-232 to drive receiver for well.Include central processing unit, storer, display, keyboard etc. in the computing machine 2, wherein the storer in the computing machine 2 is provided with public supply mains booster On-line Fault Detection program software bag.
In control center 1, can insert power supplys such as civil power or battery, and be connected, be used for the needs of control center's 1 required power supply with each composition device.
Teletransmission terminal 6 is located at each water factory, pumping plant and the some nodes of water supply network etc. and locates; It is made up of terminal data set 7, terminal modem 8, terminal hyperchannel driving receiver 9, microprocessor 10, terminal A/D converter 11, hydraulic pressure sensor 12, flow sensor 13, battery 14.Wherein, terminal data set 7, terminal modem 8, terminal hyperchannel drive receiver 9, microprocessor 10, terminal A/D converter 11 and are linked in sequence by lead, and terminal A/D converter 11 also is connected with hydraulic pressure sensor 12, flow sensor 13 respectively; Battery 14 is also formed device and is connected with each, is used for the online detection of teletransmission terminal 6 mission control centers 1 pair of public supply mains booster fault.
In Fig. 3, be provided with public supply mains booster On-line Fault Detection program in its computer memory of the MTU of control center, comprise the following steps: in its program flow diagram
1, start computing machine, online detection software systems of water supply network booster and storage are set; Make it enjoy the data that each teletransmission terminal that control center's computing machine obtains is passed back.
2, input public supply mains basic data and storage.Comprise: the length of the spatial placement of water factory, pumping plant, pipe network, water factory design pressure of supply water, pumping plant lift, pipeline, diameter, roughness coefficient and user's design are with discharge etc.
3, select water supply network hydraulic pressure and (or) the flow monitoring point, the pipe network monitoring teletransmission terminal that control center's instruction is located at each water factory, pumping plant and the some nodes of water supply network is monitored the pressure of pressure of supply water, water supply flow and pumping plant lift hydraulic pressure and pipe network monitoring point etc.
4, teletransmission terminal follow procedure instruction carry out hydraulic pressure and (or) measurement and the storage of flow, and pass measurement data back control center.At first, fault detection system is according to water factory's pressure of supply water and flow and water supply network parameter etc., and off-line carries out the analysis of hydraulic pressure, flow to water supply network under the local collapse state.When booster fault destruction appearred in somewhere pipeline in the pipe network, the place regarded a node as with destruction, and water leaks from this node, and the pipeline damage degree is determined according to pipeline damage aperture area size.When a certain node relative water pressure less than zero, when promptly being lower than atmospheric pressure, be negative pressure state.For actual water supply line, because leakproofness is low, generally negative pressure can not appear, at this moment, the actual atmospheric pressure that equals of this node relative water pressure, that is this node head is node elevation.Can adjust this node makes its relative water pressure equal atmospheric pressure.Like this, if this node head greater than all adjacent node heads, pipeline presents no stream mode; If this node head is less than certain adjacent node head, pipeline presents the pressure free current state.During the computing machine concrete analysis, at first analyze all node pressure, discriminating does not have the node of stream and pressure free current, removes from pipe network and does not have the stream node, successively from the peak suction node, and recomputates after removing each nothing stream node.For pressure free current, can make this node relative water pressure equal atmospheric pressure by changing the pipe roughness coefficient.
5, by water factory's pressure of supply water and flow and water supply network parameter, with pipe network monitoring node variation in water pressure is input, the non-monitoring node variation in water pressure of pipe network is output, maximal value and minimum value according to input and output are carried out normalization to [1.0～1.0] and [0.8～0.8] to the input and output data respectively, set up under the various representative malfunctions mutual relationship database between the non-monitoring node variation in water pressure of pipe network monitoring node variation in water pressure and pipe network.Control center analyzes the Monitoring Data that the teletransmission terminal is passed back, makes water supply network and whether has the booster fault, and carry out booster localization of fault and fault degree judgement.Online water factory's pressure of supply water value, flow value and pumping plant lift force value of passing back of each teletransmission terminal and pipe network monitoring node hydraulic pressure value offer fault detection system, fault detection system is according to pipe network monitoring node variation in water pressure, judge non-monitoring node variation in water pressure, and provide whole pipe network water pressure variation isogram.Just can accurately locate the booster fault according to variation in water pressure maximum position in the isogram of variation in water pressure; And accurately judge the degree of booster fault by the maximal value of variation in water pressure isoline in the isogram; Display or printer by computing machine provides public supply mains booster On-line Fault Detection result again, and the processing of class faults such as the system that serves a town with water booster provides first-hand scientific basis fast and accurately.
Claims (1)
1. in-line detection system for pipe burst failure in water supply pipeline network in urban area, it is made up of a MTU of control center and several teletransmission terminals RTU, is used for the online detection of class faults such as public supply mains booster,
Wherein, by
1) computing machine is provided with central processing unit and storer in it, is used for controlling teletransmission terminal image data under data acquisition system (DAS) is supported, and the image data that the teletransmission terminal is passed back is put in order and analyzed; Under the support of fault detection system, carry out water supply network booster On-line Fault Detection and output testing result;
2) hyperchannel drives receiver: be used for reception, conversion and the transmission of signal;
3) modulator-demodular unit: be used for the mutual conversion between simulating signal and the digital signal;
4) data set is used for computer instruction is passed to the teletransmission terminal by wireless signal, and receives the data that the teletransmission terminal is passed back;
Be linked in sequence and form the described MTU of control center, be used to control public supply mains teletransmission terminal image data, receive the data that the teletransmission terminal is passed back, and data are put in order, are analyzed and show testing result;
With
5) terminal data set is used to receive control center's instruction, and passes hydraulic pressure and the data on flows signal gathered back control center;
6) terminal modem: be used for the mutual conversion between teletransmission terminal simulation signal and the digital signal;
7) the terminal hyperchannel drives receiver: be used for reception, conversion and the transmission of terminal passageway signal;
8) microprocessor: it is interior and be provided with storer, is used to receive control center's instruction, and control center is handled, stores and passed back to the measurement data of hydraulic pressure sensor, flow sensor collection;
9) terminal A/D converter: be used for being converted to digital signal, the entry terminal microprocessor with gathering hydraulic pressure and the flow signal measured;
10) hydraulic pressure sensor: be used to gather the pressure of measuring place teletransmission terminal water pipe site;
11) flow sensor: be used to gather the flow of measuring place teletransmission terminal water pipe site;
12) battery: it forms device and is connected with each, is used for teletransmission terminal collection measurement, digital-to-analog conversion, storage, reception, emission and controls required power supply;
The teletransmission terminal RTU that forms, its terminal data set, terminal modem, terminal hyperchannel driving receiver, microprocessor, terminal A/D converter are linked in sequence, the terminal A/D converter also is connected with hydraulic pressure sensor, flow sensor respectively, is used for the online detection of teletransmission terminal mission control center to public supply mains booster fault;
Be provided with the online trace routine of public supply mains booster fault in described its computer memory of the MTU of control center, comprise the following steps:
1) starts computing machine, online detection software systems of water supply network booster and storage are set;
2) input pipe network basic data and storage;
3) the control center instruction teletransmission terminal that is positioned at water factory, pumping plant and place, water supply network monitoring point carry out hydraulic pressure and (or) flow monitoring;
4) teletransmission terminal follow procedure instruction carry out hydraulic pressure and (or) measurement, collection and the storage of flow, and pass measurement data back control center;
5) control center's image data that the teletransmission terminal is passed back is analyzed, and makes water supply network and whether has the booster fault, and carry out the booster failure location and fault degree is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021004056A CN1174229C (en) | 2002-01-24 | 2002-01-24 | In-line detection system for pipe burst failure in water supply pipeline network in urban area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021004056A CN1174229C (en) | 2002-01-24 | 2002-01-24 | In-line detection system for pipe burst failure in water supply pipeline network in urban area |
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| CN1174229C CN1174229C (en) | 2004-11-03 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101210855B (en) * | 2006-12-27 | 2010-06-16 | 中芯国际集成电路制造(上海)有限公司 | Multipath fluid leakage detector |
| CN102072407A (en) * | 2009-11-23 | 2011-05-25 | 中国科学院生态环境研究中心 | Leakage loss detection method combining leakage loss recording instrument with district metering areas (DMA) |
| CN102174994A (en) * | 2011-03-11 | 2011-09-07 | 天津大学 | Pipe burst accident on-line positioning system for urban water supply pipeline network |
| CN101210931B (en) * | 2006-12-27 | 2011-12-21 | 中国科学院沈阳自动化研究所 | Bus type combustible gas thickness detection device and its control method |
| CN102777770A (en) * | 2012-08-07 | 2012-11-14 | 河北农业大学 | Flow monitoring point optimizing arranging method for water supply pipe network leakage fault diagnosis |
| CN103198639A (en) * | 2013-02-28 | 2013-07-10 | 中交天航滨海环保浚航工程有限公司 | Pressure detection and remote reporting system of dredging and sludge-discharge pipeline |
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| CN103883838A (en) * | 2014-03-24 | 2014-06-25 | 南京钢铁股份有限公司 | Pipe bursting field rapid repairing method for buried water feeding pipe of metallurgy industry |
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| CN105696651A (en) * | 2016-04-08 | 2016-06-22 | 厦门矽创微电子科技有限公司 | Intelligent water supplying pipeline with automatic water supplying safety monitoring capacity |
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- 2002-01-24 CN CNB021004056A patent/CN1174229C/en not_active Expired - Fee Related
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| CN101210931B (en) * | 2006-12-27 | 2011-12-21 | 中国科学院沈阳自动化研究所 | Bus type combustible gas thickness detection device and its control method |
| CN101210855B (en) * | 2006-12-27 | 2010-06-16 | 中芯国际集成电路制造(上海)有限公司 | Multipath fluid leakage detector |
| CN102072407A (en) * | 2009-11-23 | 2011-05-25 | 中国科学院生态环境研究中心 | Leakage loss detection method combining leakage loss recording instrument with district metering areas (DMA) |
| CN102174994A (en) * | 2011-03-11 | 2011-09-07 | 天津大学 | Pipe burst accident on-line positioning system for urban water supply pipeline network |
| CN102777770A (en) * | 2012-08-07 | 2012-11-14 | 河北农业大学 | Flow monitoring point optimizing arranging method for water supply pipe network leakage fault diagnosis |
| CN103198639A (en) * | 2013-02-28 | 2013-07-10 | 中交天航滨海环保浚航工程有限公司 | Pressure detection and remote reporting system of dredging and sludge-discharge pipeline |
| CN104238386A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Channel monitoring system and method for hydroelectric power station |
| CN103574291B (en) * | 2013-07-02 | 2016-11-23 | 同济大学 | Localization of bursted pipe method based on artificial immune system |
| CN103574291A (en) * | 2013-07-02 | 2014-02-12 | 同济大学 | Tube bursting positioning method based on artificial immunity system |
| CN103883838A (en) * | 2014-03-24 | 2014-06-25 | 南京钢铁股份有限公司 | Pipe bursting field rapid repairing method for buried water feeding pipe of metallurgy industry |
| CN103883838B (en) * | 2014-03-24 | 2016-03-30 | 南京钢铁股份有限公司 | The on-the-spot quick-speed first-aid repair method of the buried supply pipe booster of a kind of smelter |
| CN105696651A (en) * | 2016-04-08 | 2016-06-22 | 厦门矽创微电子科技有限公司 | Intelligent water supplying pipeline with automatic water supplying safety monitoring capacity |
| CN109073425A (en) * | 2016-04-13 | 2018-12-21 | M-A·利桑德尔 | Individual detectors and mapped device and method including the detector |
| CN109073425B (en) * | 2016-04-13 | 2021-09-24 | M-A·利桑德尔 | Independent detector and mapping device and method including the same |
| CN106054830A (en) * | 2016-05-31 | 2016-10-26 | 安庆供水集团公司 | Intelligent water supply dispatching control system |
| CN106444516A (en) * | 2016-10-31 | 2017-02-22 | 北方民族大学 | Urban water supply pipe network terminal low pressure control system and method |
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