CN102750804A - Early warning system and early warning method for railway landslide hazard - Google Patents
Early warning system and early warning method for railway landslide hazard Download PDFInfo
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Abstract
Aiming at the worldwide problem for the early warning of the railway landslide hazard, in combination with the railway safe running and maintaining requirement, and synthetically using the geology, atmosphere, hydrology and electronic information technologies, the invention provides a three-level early warning method which decomposes the complex problem of the early warning of the railway landslide hazard into three levels of simple problems which are independent from one another such as tendency forecast, slip velocity forecast and accurate alarm and synthetically early warns by the monitoring of a rain gauge, a pull rope displacement sensor and a pressure sensor, wherein the method early warns (or monitors) the three levels such as the whole tendency of the happening of the landslide, the previous status which threats a line, and the precise moment which endangers the railway after the happening of the landslide, so that the three-level five-grade early warning solution which is suitable for the railway can be designed and realized, the exact, effective and practical early warning monitoring system for the railway landslide hazard can be formed, and various suggestions can be provided aiming at the using mode of the railway; and therefore, the invention is suitable for the landslide dangerous point sections along the railway, and the aim of effective early warning and monitoring of the railway landslide hazard can be achieved.
Description
Technical field
The present invention relates to a kind of landslide disaster early warning system that is applicable to that railway is along the line, comprise three layers of 5 grades of early warning system that railway is come down and proposed application model to railway.
Background technology
Landslide disaster is that the slope soil body or rock mass lose original steady state (SS) under action of gravity, and slipping plane (or slip band) glides in the slope, and disaster incident with property loss causes casualties.Have characteristics such as disguised, sudden and destructiveness.The factor that landslide disaster has physical environment to change, also there is the factor of the frequent irrational engineering activity of the mankind while.
The monitoring and prediction scheme of landslide disaster or method have a lot, and some is very ripe, and some also is in the development test stage.
Carry out simply relatively and analysis to several frequently seen scheme below, specifically see table 1.
Table 1 landslide monitoring means contrast both at home and abroad
Summary of the invention
The present invention mainly deals with problems:
The present invention is directed to this global problem of railway landslide disaster early warning; In conjunction with railway security O&M demand; Integrated use geology, meteorology, the hydrology, electronic information technology; Proposition with this complicacy difficult problem of railway landslide disaster early warning be decomposed into trend prediction, face sliding forecast, three simple problems that level is separate of accurately reporting to the police; Carry out three layers of alarm method of comprehensive pre-warning after finding the solution respectively, three levels of the accurate moment that jeopardize railway after state, landslide take place before the overall trend that this method takes place from the landslide respectively, the threat circuit carry out early warning (or monitoring), have designed and Implemented three layers of 5 grades of warning solution of suitable railway applications; Form accurate and effective, practical railway landslide disaster early warning supervisory system; And each item suggestion has been proposed to the railway application mode, to be applicable to railway landslide hazard point along the line section, reach purpose to the effective early warning monitoring of railway landslide disaster.When the landslide took place, system guaranteed train is stoped outside the dangerous point section, avoids car crash.This system is applicable to the early warning monitoring of railway landslide disaster along the line.
26S Proteasome Structure and Function of the present invention:
Be divided into from hardware configuration composition aspect like Fig. 1 the present invention: collection in worksite subsystem, middleware subsystem, monitoring sub.The collection in worksite subsystem mainly is made up of rain gage, stay cord displacement transducer, pressure transducer, accomplishes data acquisition function; The middleware subsystem is accomplished functions such as acquisition transmission, Data Receiving, short-term storage, forwarding; Functions such as the curve plotting of the reception of monitoring sub completion data, storage, statistics, warning modelling, three layers of warning, logic analysis, warning output.
Be divided into following subsystem like Fig. 2 the present invention from function logic aspect (three layers of warning):
(1) trend prediction subsystem: at landslide hazard point section laying rain gage, adopted geology-rainfall double factor superposition algorithm, through topography and geomorphology, lithology, tomography joint, 4 kinds of geologic agents of water erosion being surveyed scalar quantization, the comprehensive ground prime factor that forms; Adopt rain gage that real-time rainfall amount is monitored, obtain the daily rainfall data, reach Surveillance center through middleware, monitoring center software calculates effective precipitation and scalar quantization according to daily rainfall, forms the rainfall factor; The comprehensive geology factor and the rainfall factor form the landslide trend forecast and differentiate the factor, divide alert levels.When the landslide trend forecast differentiation factor surpasses 9, the position set of trend prediction warning mark, otherwise reset.
(2) face sliding prediction subsystem: adopt from grinding stay cord displacement transducer such as Fig. 3; Be laid in dangerous point section slope body, sloping body slide displacement is monitored in real time, obtain the displacement real time data; Reach Surveillance center through middleware; Monitoring center software produces displacement and change in displacement trend through monitoring sensor with respect to reference point and judges whether to send and face sliding forecast, faces the set of sliding forecast zone bit, otherwise reset.
(3) subsystem of accurately reporting to the police: adopt from grinding pressure transducer such as Fig. 4, it is along the line to be laid in railway dangerous point section, and impact pressure was monitored in real time when railway slope was glided; Obtain the pressure real time data, reach Surveillance center through middleware, monitoring center software is differentiated algorithm through pressure door limit value and neighbouring relations that seminar designs voluntarily; Dexterously " point " of pressure door limit value judged; " face " that be converted into neighbouring relations judges whether sloping body jeopardizes railway, if condition satisfies (f＞3MPa and adjacent); Then accurately warning mark position set, otherwise reset.
Integrated alarm: logic synthesis is carried out in 3 warning mark positions to above-mentioned three layers of alarm generation.System has stipulated warning priority: the priority of accurately reporting to the police＞face and slide forecast priority＞trend prediction priority; When system had two or more to report to the police output, system only exported high priority and reports to the police, and had guaranteed that alerting signal output is unique.The comprehensive back of system logic output alarm information.
Advantage of the present invention and characteristic:
(1) the invention belongs to the research and development of railway landslide disaster first Application character, also be different from the fundamental research of specialties such as geology, meteorology, still do not have comparable object at present;
(2) the present invention is based on subjects theory such as geology, meteorology, the hydrology, adopt electronic information technology to realize data statistics, computational analysis, early warning and accurately warning landslide disaster.
(3) the present invention is decomposed into three incidents differentiations through three layers of warning with the landslide process, has novelty, and design proposal is novel, and is rational in infrastructure, simple;
(4) the present invention does not adopt new and high technology, but selects simple, mature equipment through practice test for use, and through the upper track test, system stability is reliable.
Description of drawings
Fig. 1 is a structured flowchart of the present invention
Fig. 2 is a hardware system equipment layout synoptic diagram of the present invention
Among the figure, 101 for rain gage, 102 for from grind the stay cord displacement transducer, 103 for from grind pressure transducer, 104 for the field wiring case, 105 for middleware equipment, 201 for database server, 202 for application server.
Fig. 3 is a hardware system structure synoptic diagram of the present invention
Fig. 4 is three layers of warning system structural drawing of the present invention
Among the figure, 100 for collection in worksite equipment, 101 for rain gage, 102 for from grinding stay cord displacement transducer, 103 for being affiliated Operation and Maintenance Center for affiliated track division, the bridge section, 303 of being engaged in for train scheduling center, 302 for disk array, 301 for maintenance terminal, 204 for application server, 203 for database server, 202 for Surveillance center, 201 for middleware equipment, 200 from grinding pressure transducer, 105.
Fig. 5 is a trend prediction logic determines process flow diagram
Fig. 6 faces sliding forecast logic determines process flow diagram
Fig. 7 is accurate alarming logic decision flow chart
Fig. 8 is the middleware system composition diagram
Embodiment
(1) trend prediction
In trend prediction, the ground prime factor draws by surveying early stage, and after same landslide hazard point section surveyed, the variation of ground prime factor was very little, can think fixed value, and what influence trend prediction mainly is the rainfall factor.The rainfall factor depends on landslide point section rainfall information, is collected by rain sensor.
Trend prediction software through ground prime factor typing window with engineering investigation to the gradient, lithology, tomography joint, underground water information input database of disaster point in.The fate of the effective rainfall of the value of establishing monitoring simultaneously.
When system detected effective precipitation and reached the threshold value of reporting to the police, system interface ejected yellow alarm information, and this information is sent to the track division of administration, deposited this warning message in database then.If the rainfall value that monitors does not reach when reporting to the police, system can directly deposit the rainfall data that monitors in database.If system monitoring is less than rainfall information, fault alarm can be ejected in the system software interface.
The yellow alarm logic determines at first calculates geologic assessment factor F with the gradient, lithology, tomography joint, the underground water of the landslide point disaster point in the input system
G, the effective precipitation that real-time monitors is obtained rainfall factor F
R, system obtains F through coupling then
LHPIf, F
LHPValue more than or equal to 9, system ejects yellow alarm.This alarming logic is judged shown in Figure 5.
(2) face sliding forecast
Facing sliding forecast, adopting, producing displacement and change in displacement trend through monitoring sensor with respect to reference point and judge whether to send and face sliding forecast from the stay cord displacement transducer that grinds.
Face sliding software of forecasting and realize the data that on-the-spot displacement transducer transmits are carried out data analysis and logic determines, its deterministic process is following:
1. judge whether accumulative total maximum displacement Δ Smax reaches 20mm, if the accumulative total displacement less than 20mm, then continues to judge; If the accumulative total displacement surpasses 20mm, then get into next stage and judge, otherwise return.
2. judge whether 10min intrinsic displacement amount Δ S reaches 10mm, if Δ S＜10mm then returns; If Δ S >=10mm then gets into system's next stage and judges.
3. get unit displacement 10mm, judge that displacement increases 10mm Δ t1 of needed time, whether judge Δ t1, if Δ t1＞10min then returned for the 2nd step smaller or equal to 10min; If Δ t1≤10min then gets into next stage and judges;
4. get unit displacement 10mm, judge that displacement increases 10mm Δ t2 of needed time, whether judge Δ t2, if Δ t2＞1min then returned for the 2nd step smaller or equal to 1min; If Δ t2≤1min then gets into next stage and judges;
5. get unit displacement 10mm, judge that displacement increases 10mm Δ t3 of needed time, whether judge Δ t3, if Δ t3＞30s then returned for the 2nd step smaller or equal to 30s; If Δ t3≤30s exports orange warning.
This alarming logic is judged shown in Figure 6.
(3) accurately report to the police
Accurately report to the police and adopt when grinding pressure transducer railway slope is glided impact pressure to monitor in real time, obtain the pressure real time data and judge that with this whether the landslide threatens railway, sends accurate warning.
Accurately alarm software is used for realizing the alarm threshold value is set, and its alarming logic is following:
1. judge whether to surpass preset threshold value earlier greater than system's entering next stage judgement if collect pressure sensor data, otherwise the system acquisition data.
2. judge whether that adjacent plural sensor has all surpassed the alarm threshold value, become erection system to get into next stage and judge, otherwise return the first step.
3. judged whether that continuous 3 numbers have all surpassed threshold value, become the erection system output red to report to the police, otherwise counter reset has returned the first step.
This alarming logic is judged shown in Figure 7.
(4) middleware equipment
Middleware equipment chip of the present invention is gathered two 16 high-performance single-chip microcomputers as the main control chip.Primary power adopts DC24V.There is the accurate RS232 serial communication interface of a road sign to be used for on-the-spot mode, configuration parameter, downloads, need not cd-rom recorder, make things convenient for modification of program, upgrading.System also has one road RJ-45 network communication interface to carry out data communication with monitoring center software.The data-carrier store of 64M can be used for preserving parameter, store the real time data data that each subsystem front-end collection equipment is uploaded, and the outage data are not lost.System adopts photoelectricity to isolate and launches inner house dog and strict high frequency filtering characteristic, makes system works reliable and stable, no deadlock phenomenon.Adopt standardization agreement between middleware equipment and the Surveillance center, its speed, transformat, data protocol all are defined as the open-standards agreement.Its system forms shown in figure 10.
(5) railway application mode
To the railway landslide disaster,, " railway landslide disaster early warning monitoring application mode draft proplsal ", " suggestion of railway landslide disaster early warning monitoring driving management method " have been proposed first in conjunction with the practice of specialties such as worker's affair, signal, driving.
Claims (8)
1. railway landslide disaster early warning system; It is characterized in that: with this complicacy difficult problem of railway landslide disaster early warning be decomposed into trend prediction, face sliding forecast, three simple problems that level is separate of accurately reporting to the police; Carry out three layers of alarm method of comprehensive pre-warning after finding the solution respectively; Three levels of the accurate moment that jeopardize railway after state, landslide take place before the overall trend that this method takes place from the landslide respectively, the threat circuit carry out early warning (or monitoring); Three layers of 5 grades of warning solution of suitable railway applications have been designed and Implemented; Form accurate and effective, practical railway landslide disaster early warning supervisory system, and proposed each item suggestion to the railway application mode.
2. railway landslide disaster early warning system according to claim 1; It is characterized in that comprising: collection in worksite subsystem, middleware subsystem, monitoring sub; The collection in worksite subsystem is accomplished data collection task; The dynatron system accomplishes and sends acquisition, receives work such as data, short-term storage, forwarding, work such as the curve plotting of the reception of monitoring sub completion data, storage, statistics, warning modelling, three layers of warning, logic analysis, warning output.
3. railway landslide disaster early warning system according to claim 1 is characterized in that: face sliding forecast and adopt from grinding the stay cord displacement transducer.
4. railway landslide disaster early warning system according to claim 1 is characterized in that: accurately report to the police and adopt from grinding pressure transducer.
5. railway landslide disaster early warning system according to claim 1 is characterized in that: proposed to be applicable to " railway landslide disaster early warning monitoring application mode draft proplsal ", " suggestion of railway landslide disaster early warning monitoring driving management method " of railway.
6. railway landslide disaster early warning system according to claim 2; It is characterized in that: the collection in worksite subsystem mainly is made up of rain gage, stay cord displacement transducer, pressure transducer, on-site data gathering case, direct supply; The middleware subsystem mainly is made up of rack, wiring adapter, lightning protection adapter, ups power, direct supply, data acquisition unit, middleware software, and monitoring sub mainly is made up of application server, database server, fire wall, disk array, monitoring center software.
7. railway landslide disaster early warning system according to claim 6 is characterized in that: said middleware data acquisition unit is made up of the I/O of system card, data collecting card, the subrack of putting on the shelf.
8. railway landslide disaster early warning system according to claim 6; It is characterized in that: said monitoring center software to monitoring information store, analyzing and processing, demonstration, printing etc.; And the information such as calamity forecast, early warning of appropriate level is provided according to the information content; According to train operation control rule information such as speed limit, stoppage in transit are provided, will report to the police simultaneously, early warning information send the worker be engaged in terminal and be uploaded to the dispatching office of administration.Transmit rainfall monitoring information, displacement information, pressure information and device fault information to track division monitoring main frame.The interface of reservation and comprehensive maintenance base management infosystem, and disaster information is provided.The communication interface of reservation and national meteorological department, geology department receives hazard forecasting, early warning information.
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| CN201110101502XA CN102750804A (en) | 2011-04-22 | 2011-04-22 | Early warning system and early warning method for railway landslide hazard |
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| CN103903393A (en) * | 2012-12-27 | 2014-07-02 | 同方威视技术股份有限公司 | High-speed railway disaster prevention safety monitoring three-level alarm system |
| CN104332025A (en) * | 2014-11-19 | 2015-02-04 | 江西西菱轨道交通技术发展有限公司 | Protected surface accurate monitoring alarm system |
| CN105894758A (en) * | 2014-10-27 | 2016-08-24 | 熊清远 | Displacement monitoring alarm device based on Internet of things application |
| CN106205061A (en) * | 2016-08-31 | 2016-12-07 | 西安科技大学 | A kind of geological hazards prediction system |
| CN106355257A (en) * | 2016-11-03 | 2017-01-25 | 常州轻工职业技术学院 | Monitoring system for maintenance construction of railway facilities, dispatching terminal and use method |
| CN108230624A (en) * | 2016-12-22 | 2018-06-29 | 天津超音科技有限公司 | Mountain landslide supervision system based on CC2530 |
| CN109584516A (en) * | 2019-01-02 | 2019-04-05 | 贵州天略信息技术有限公司 | A kind of debris flow monitoring pre-warning system |
| CN109596177A (en) * | 2019-01-08 | 2019-04-09 | 昆山高新轨道交通智能装备有限公司 | Railway slope Life cycle on-line monitoring system and method |
| CN109697425A (en) * | 2018-12-21 | 2019-04-30 | 中国科学院地理科学与资源研究所 | A kind of highway threat information recognition methods |
| CN111586082A (en) * | 2019-02-18 | 2020-08-25 | 深圳市物联微电子有限公司 | Data acquisition method and device, computer equipment and readable storage medium |
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Cited By (15)
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| CN103903393A (en) * | 2012-12-27 | 2014-07-02 | 同方威视技术股份有限公司 | High-speed railway disaster prevention safety monitoring three-level alarm system |
| CN105894758A (en) * | 2014-10-27 | 2016-08-24 | 熊清远 | Displacement monitoring alarm device based on Internet of things application |
| CN104332025B (en) * | 2014-11-19 | 2017-08-18 | 江西西菱轨道交通技术发展有限公司 | One kind is by the accurate monitoring and alarming system of protection face |
| CN104332025A (en) * | 2014-11-19 | 2015-02-04 | 江西西菱轨道交通技术发展有限公司 | Protected surface accurate monitoring alarm system |
| CN106205061B (en) * | 2016-08-31 | 2018-06-05 | 西安科技大学 | A kind of geological hazards prediction system |
| CN106205061A (en) * | 2016-08-31 | 2016-12-07 | 西安科技大学 | A kind of geological hazards prediction system |
| CN106355257A (en) * | 2016-11-03 | 2017-01-25 | 常州轻工职业技术学院 | Monitoring system for maintenance construction of railway facilities, dispatching terminal and use method |
| CN106355257B (en) * | 2016-11-03 | 2023-11-24 | 常州轻工职业技术学院 | Railway facility maintenance construction monitoring system, dispatching terminal and use method |
| CN108230624A (en) * | 2016-12-22 | 2018-06-29 | 天津超音科技有限公司 | Mountain landslide supervision system based on CC2530 |
| CN109697425A (en) * | 2018-12-21 | 2019-04-30 | 中国科学院地理科学与资源研究所 | A kind of highway threat information recognition methods |
| CN109584516A (en) * | 2019-01-02 | 2019-04-05 | 贵州天略信息技术有限公司 | A kind of debris flow monitoring pre-warning system |
| CN109596177A (en) * | 2019-01-08 | 2019-04-09 | 昆山高新轨道交通智能装备有限公司 | Railway slope Life cycle on-line monitoring system and method |
| CN111586082A (en) * | 2019-02-18 | 2020-08-25 | 深圳市物联微电子有限公司 | Data acquisition method and device, computer equipment and readable storage medium |
| CN117953664A (en) * | 2024-03-27 | 2024-04-30 | 中铁水利水电规划设计集团有限公司 | Geological disaster prediction method and system based on artificial intelligence |
| CN117953664B (en) * | 2024-03-27 | 2024-06-18 | 中铁水利水电规划设计集团有限公司 | Geological disaster prediction method and system based on artificial intelligence |
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Inventor after: Liu Ning Inventor after: Pan Zhuoyou Inventor after: Hu Dianjun Inventor after: Hu Yinghua Inventor before: Liu Ning |
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Free format text: CORRECT: INVENTOR; FROM: LIU NING TO: LIU NING PAN ZHUOYOU HU DIANJUN HU YINGHUA |
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Application publication date: 20121024 |