CN106394612A - Crossing train approaching real-time pre-warning system and method based on distributed optical fibers - Google Patents
Crossing train approaching real-time pre-warning system and method based on distributed optical fibers Download PDFInfo
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- CN106394612A CN106394612A CN201610926048.4A CN201610926048A CN106394612A CN 106394612 A CN106394612 A CN 106394612A CN 201610926048 A CN201610926048 A CN 201610926048A CN 106394612 A CN106394612 A CN 106394612A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/007—Safety arrangements on railway crossings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/06—Control, warning or like safety means along the route or between vehicles or trains for warning men working on the route
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/023—Determination of driving direction of vehicle or train
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
- B61L2027/204—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using Communication-based Train Control [CBTC]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a crossing train approaching real-time pre-warning system and method based on distributed optical fibers. The crossing train approaching real-time pre-warning system comprises distributed optical fiber detection systems, a monitoring platform data center, a management terminal, a crossing terminal, an existing railway communication optical cable and multiple warned crossing installation crossing terminals. Each distributed optical fiber detection system comprises Rayleigh or Brillouin scattering distributed optical fiber vibration and strain sensors, a detection instrument and a mode recognition unit. The distributed optical fiber vibration and strain sensors are laid in the whole rail length direction, and the positions and strain and vibration signals in the advancing process of all trains are given by Rayleigh or Brillouin scattering signals in the distributed optical fiber vibration and strain sensors in the distributed optical fiber detection systems and are treated through signals of the mode recognition units, the lengths, the train positions, the real-time running speeds and the train ascending and descending direction information of all the trains on a rail covered by the optical fiber detection systems are obtained, and the approaching states of the trains at the warmed crossings distributed along the line of the rail are monitored and protected in real time.
Description
Technical field
The present invention relates to railway safety system, the especially early warning of level crossing Train Approaching, particularly a kind of being based on are distributed
Formula optical fiber road junction Train Approaching real-time early warning system and method.
Background technology
Railway is the large artery trunks of Chinese national economy, and railway transportation plays very important work in socio-economic development
With.Meanwhile, Transportation Development is swift and violent, and the motor vehicles driving through the level crossing that road is intersected with railway constantly increase
Many although railway enterprises carry forward vigorously road junction " flat change vertical " for many years, but the level crossing of general speed railway still can not be thorough
Eliminate, particularly city terminals, road is still prominent with the current contradiction of railway, and the presence at road junction is to railway transportation and people
People's security of the lives and property constitutes a threat to.Therefore it is to be ensured that safety of railway traffic is it is necessary to innovation of depending on science and technology, with advanced dress
Standby, prevent and reduce energetically level crossing accident and occur, it appears be even more important.
The monitoring device of domestic railway level-crossing is only limitted to monitoring point-to-point apart from road junction certain distance at present.As
DX-3 type road junction automatic notification signal equipment, using discontinuous sensing equipment collection Train Approaching, information of leaving away, Train Approaching
Using an advice method, warning opportunity uses fixed point and reports to the police.And it is directed to different train running speeds, road junction needs to close
The opportunity of railing (door) is different.By the way of fixed point is reported to the police, road junction operating personnel does not know the specific fortune of train
Row state is it is impossible to effectively lift work efficiency, or even can there is huge potential safety hazard.And point-to-point type monitoring device needs
Scene power supply, reliability is low.Therefore, analyze from the management status of current China level crossing, be badly in need of a set of to level crossing pipe
Reason, operating personnel show the monitoring device of Train Approaching information in real time, to be management personnel, operating personnel's highly effective and safe operation
Foundation is provided.
Distributed fiberoptic sensor has anti-electromagnetic interference capability by force, Noninvasive, and high sensitivity is it is not necessary to scene supplies
Electricity, achievable distributed measurement, corrosion-resistant, explosion-proof, light path has flexibility, the advantage such as is easy to be connected with fibre system.In recent years
Come, be widely used in natural gas, petroleum pipeline safety monitoring, bridge crack is monitored, gas concentration detection, border security protection etc. are led
Domain.
Content of the invention
It is an object of the invention to, overcome existing road junction monitoring device redundancy, using point-to-point type early warning, need scene to supply
Electricity it is impossible in real time display train information it is impossible to the problems such as provide suitable railing (door) to close gear opportunity for road junction operating personnel, and
One kind is provided to be based on distribution type fiber-optic road junction Train Approaching real-time early warning system and method.
The technical solution of the present invention is as follows：One kind is based on distribution type fiber-optic road junction Train Approaching real-time early warning system,
Including distribution type fiber-optic detection system, monitoring platform data center, management terminal, road junction terminal, existing railway communications optical cable, many
Individual by alert road junction installation road junction terminal；Described distribution type fiber-optic detection system includes the distributed light of Rayleigh or Brillouin scattering
Fine vibration and strain transducer, detecting instrument, pattern recognition unit, distributed optical fiber vibration and strain transducer are along whole ferrum
Rail length is laid, and the strain in the position of all trains and traveling process, vibration signal are divided by distribution type fiber-optic detection system
Rayleigh in cloth fiber-optic vibration and strain transducer or brillouin scattering signal are given, and through pattern recognition unit signal
Process, obtain all train lengths on the rail of fiber-optic probe system covering, train position, real time running speed, on train
Down direction information, that is, obtain certain space or time interval by by the train relative position information at certain road junction, relatively arrive
Reach the time, real time running speed, close to road junction train length, train up-downlink direction information；Connect along railway in communications equipment room
The described existing railway communications optical cable of laying, is carried out by the Train Approaching state at alert road junction to described in Along Railway distribution
Monitor in real time and protection；Described distribution type fiber-optic detection system is connected in described monitoring platform data by communication link
The heart；Described monitoring platform data center carries out the logic distinguishing in time and space to each road junction, by early warning information according to circuit
Permissible velocity and pertinent regulations early warning close to distance and interval, by communication link be accurately transferred to described by alert road junction road
Mouth terminal, road junction operating personnel shows according to described road junction terminal and prompting is standardized operation, simultaneously related early warning letter
Breath passes to station section dispatch center and the described monitor terminal passing to upper level Surveillance center as requested.
According to a kind of above-mentioned method that early warning is carried out based on distribution type fiber-optic road junction Train Approaching real-time early warning system, described
Distribution type fiber-optic detection system include the function of train positioning, connect the existing railway described in laying along the line in communications equipment room
Communications optical cable, is carried out monitor in real time and protection to described in Along Railway distribution by the Train Approaching state at alert road junction；Described
Distribution type fiber-optic Detection location instrument by the signal detecting is carried out pattern recognition etc. process after, can remove noise do
Disturb, by the train relative position information at neighbouring road junction, reletive arriving time, real time running speed, close to road junction train length,
The information such as train up-downlink direction carry out real-time monitoring, and report described monitoring platform data center by communication link,
Pass through logic manage simultaneously, linked with information such as audible alarm, light warnings；Described monitoring platform data center will be pre-
Alarming information carries out logic distinguishing according to circuit permissible velocity and pertinent regulations early warning close to distance and interval, and according to each eventually
The authority at end, by communication link be accurately transferred to described by alert road junction, road junction operating personnel is according to described road junction eventually
End display and prompting are standardized operation, and relevant information passes to station section dispatch center and passes to as requested simultaneously
The described monitor terminal of upper level Surveillance center.Described other auxiliary monitoring systems can realize local weight by photographic head
Point area video monitoring.
Distribution type fiber-optic detection system is detected using the core in existing communications optical cable.
Described communication link is railway private network, can ensure safety, the reliability of information transfer.
Described monitoring platform data center comprises server, center monitors display device etc.；Can be by distribution type fiber-optic
Detection system is that the information that train position finder uploads carries out logic manage, and the authority according to each terminal, to road junction terminal and
Monitor terminal sends corresponding early warning information.
Described monitor terminal is to be positioned over station section dispatch center or upper level Surveillance center, and this terminal accesses railway
Private network.Management personnel are by logging in the account that monitoring platform data center is its distribution it is possible to look into according to the authority of this terminal
See that each is subject to the Train Approaching early warning information at alert road junction.
Described road junction terminal is positioned over the road junction room of Along Railway, and this terminal accesses railway private network.Road junction operating personnel
By logging in the account that monitoring platform data center is its distribution it is possible to check the row at current road junction according to the authority of this terminal
Car is close to early warning information.
Described other auxiliary monitoring systems can realize local key area video monitoring by photographic head.
Described existing railway communications optical cable is the idle optical fiber of a certain core in the existing communications optical cable of Along Railway laying,
Need not additionally lay, reduce construction cost.
Beneficial effects of the present invention：The present invention utilizes advanced distribution type fiber-optic to detect and location technology, to Along Railway
Close to road junction train running status (apart from road junction relative position, the time of advent, the speed of train operation, the length of train, on
Down direction etc.) carry out omnibearing monitor in real time and early warning, can be according to the demand at each road junction and train running speed
Etc. information, it is respectively provided with the different train approach warning distance in each road junction, pre- by the Train Approaching safety of setting up networking
Alarm system, ensures accuracy and the reliability of China railways road junction train operation monitoring data.
1st, the present invention is based on distribution type fiber-optic road junction Train Approaching real-time early warning system and method, is passed using distribution type fiber-optic
Sense technology, by pattern recognition, can be with the train relative position information adjacent to road junction for the real-time monitoring, reletive arriving time, in real time
Travel speed, close to information such as road junction train length, train up-downlink directions.
2nd, each road junction can be respectively provided with different according to information such as the demand at each road junction and train running speeds
Train approach warning distance.
2nd, adopt existing railway communications optical cable it is not necessary to again lay optical cable, decrease construction cost.
3rd, do not need scene power supply, reliability is high.
4th, distance sensing is long, and set of system can monitor multiple road junctions simultaneously.
5th, communication link is railway private network, can ensure safety, the reliability of information transfer.
Brief description
Fig. 1 is based on distribution type fiber-optic road junction Train Approaching real-time early warning system architecture diagram for the present invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described, but should not limit the protection model of the present invention with this
Enclose.
Refer to Fig. 1 first, Fig. 1 is based on distribution type fiber-optic road junction Train Approaching real-time early warning system structure frame for the present invention
Figure.As seen from Figure 1, the present invention be based on distribution type fiber-optic road junction Train Approaching real-time early warning system and method it is characterised in that its
Constitute and include distribution type fiber-optic detection system, monitoring platform data center, management terminal, road junction terminal, existing railway Communication ray
Cable, other auxiliary monitoring system, multiple by alert road junction；Described distribution type fiber-optic Detection location instrument, connects edge in communications equipment room
The described existing railway communications optical cable of line laying, is entered by the Train Approaching state at alert road junction to described in Along Railway distribution
Row monitor in real time and protection；Described distribution type fiber-optic Detection location instrument passes through to carry out pattern recognition etc. to the signal detecting
After reason, noise jamming can be removed, by the train relative position information adjacent to road junction, reletive arriving time, real time running speed
Spend, carry out real-time monitoring close to information such as road junction train length, train up-downlink directions, and reported by communication link described
Monitoring platform data center, simultaneously pass through logic manage, linked with information such as audible alarm, light warnings；Described
Monitoring platform data center by early warning information according to circuit permissible velocity and pertinent regulations early warning close to distance, carry out logic area
Point, and the authority according to each terminal, by communication link be accurately transferred to described by alert road junction, road junction operating personnel press
Show according to described road junction terminal and prompting be standardized operation, simultaneously relevant information pass to station section dispatch center and
Pass to the described monitor terminal of upper level Surveillance center as requested.Described other auxiliary monitoring systems can be by taking the photograph
As head realizes local key area video monitoring.
Described distribution type fiber-optic detection system includes the positioning to train, is based on dividing that Rayleigh (or Brillouin) scatters
Cloth fiber-optic vibration (strain) sensor, along the laying of whole rail length, Rayleigh (or Brillouin) scattered signal, can detect
I.e. strain in all train traveling process, vibration signal in all distribution type fiber-optic detection systems, and know through pattern
Deng can not remove noise jamming, identify train signal after signal processing.And by further algorithm process, obtain
All train lengths on the rail of fiber-optic probe system covering, train position, real time running speed, train up-downlink direction etc.
Information, can obtain (select certain space or time interval) by the train relative position information at neighbouring road junction, relatively arrive
Reach the time, real time running speed, close to information such as road junction train length, train up-downlink directions.Distribution type fiber-optic detection system
These information are carried out after comprehensive analysis processing, form the judgement of integrity, form early warning information, and these early warning information are led to
Cross communication links to described monitor supervision platform data center, monitoring information is sent to described in different rights for data center
User terminal；Described distribution type fiber-optic detection system, disposes in communications equipment room along the railway, is linked into railway existing
Communications optical cable, and be connected with the communication link within railway, distribution type fiber-optic detection system utilizes in existing communications optical cable
One core is detected.Early warning information is connect by described monitoring platform data center according to circuit permissible velocity and pertinent regulations early warning
Closely with interval, carry out logic distinguishing, and the authority according to each terminal, be accurately transferred to by communication link described
By alert road junction, road junction operating personnel shows according to described road junction terminal and prompting is standardized operation, relevant information simultaneously
Pass to station section dispatch center and the described monitor terminal passing to upper level Surveillance center as requested.Described its
Its auxiliary monitoring system can realize local key area video monitoring by photographic head.
Above technical scheme can be realized one kind and be based on distribution type fiber-optic road junction Train Approaching real-time early warning system and method.
Although describe in detail the present invention with reference to above-mentioned specific embodiment it should be appreciated that the present invention is not limited to disclosed reality
Apply mode and embodiment, for this professional field technical staff, various changes can be carried out to its form and details.Should manage
Solution, the foregoing is only the instantiation of the present invention, is not limited to the present invention, all spirit in the present invention and
Any modification, equivalent substitution and improvement done within principle etc., should be included within the scope of the present invention.
Claims (10)
1. one kind is detected it is characterised in that including distribution type fiber-optic based on distribution type fiber-optic road junction Train Approaching real-time early warning system
System, monitoring platform data center, management terminal, road junction terminal, existing railway communications optical cable, multiple by alert road junction installation road junction
Terminal；
Described distribution type fiber-optic detection system include the distributed optical fiber vibration of Rayleigh or Brillouin scattering and strain transducer,
Detecting instrument, pattern recognition unit, distributed optical fiber vibration and strain transducer are laid along whole rail length, all trains
Position and traveling process in strain, vibration signal by distributed optical fiber vibration in distribution type fiber-optic detection system with strain pass
Rayleigh in sensor or brillouin scattering signal are given, and through pattern recognition unit signal processing, obtain fiber-optic probe system
All train lengths on the rail of system covering, train position, real time running speed, train up-downlink direction information, that is, obtain
Certain space or time interval by by the train relative position information at certain road junction, reletive arriving time, real time running speed,
Close to road junction train length, train up-downlink direction information；Connect the existing railway described in laying along railway in communications equipment room
Communications optical cable, is carried out monitor in real time and protection to described in Along Railway distribution by the Train Approaching state at alert road junction；Described
Distribution type fiber-optic detection system described monitoring platform data center is connected by communication link；Described monitoring platform data
Center carries out the logic distinguishing in time and space to each road junction, by early warning information according to circuit permissible velocity and pertinent regulations early warning
Close to distance and interval, by communication link be accurately transferred to described by alert road junction road junction terminal, road junction operating personnel press
Show according to described road junction terminal and prompting is standardized operation, related early warning information passes in the section dispatching and monitoring of station simultaneously
The heart and the described monitor terminal passing to upper level Surveillance center as requested.
2. real-time early warning system according to claim 1 is it is characterised in that described auxiliary monitoring system is by shooting
Head realizes local key area video monitoring.
3. real-time early warning system according to claim 1 is it is characterised in that distribution type fiber-optic detection system utilizes Communication ray
A core in cable is detected along railway laying.
4. real-time early warning system according to claim 1 is it is characterised in that described communication link is railway private network.
5. real-time early warning system according to claim 1 is it is characterised in that described monitoring platform data center comprises to take
Business device, center monitors display device；Distribution type fiber-optic detection system is that the information that train position finder uploads carries out logic manage,
And the authority according to each terminal, send corresponding early warning information to road junction terminal and monitor terminal.
6. real-time early warning system according to claim 1 is it is characterised in that be provided with auxiliary monitoring system, auxiliary monitoring system
Local key area video monitoring is realized by photographic head.
7. the side carrying out early warning based on distribution type fiber-optic road junction Train Approaching real-time early warning system according to claim 1
Method, it is characterised in that described distribution type fiber-optic detecting and locating system, connects existing described in laying along the line in communications equipment room
Railway communication optical cable, is carried out monitor in real time and protection to described in Along Railway distribution by the Train Approaching state at alert road junction；
Described distribution type fiber-optic Detection location instrument, after the signal detecting is carried out with the process such as pattern recognition, can remove noise
Interference, by the train relative position information at neighbouring road junction, reletive arriving time, real time running speed, close to road junction train chief
Degree, train up-downlink direction information carry out real-time monitoring, and report described monitoring platform data center by communication link,
Pass through logic manage simultaneously, linked with information such as audible alarm, light warnings；Described monitoring platform data center will be pre-
Alarming information carries out logic distinguishing, and the power according to each terminal according to circuit permissible velocity and pertinent regulations early warning close to distance
Limit, by communication link be accurately transferred to described by alert road junction, road junction operating personnel shows according to described road junction terminal
It is standardized operation with prompting, relevant information passes to station section dispatch center and passes to upper level as requested simultaneously
The described monitor terminal of Surveillance center.
8. method according to claim 7, is characterized in that described monitor terminal is to be positioned over station section dispatch center
Or upper level Surveillance center, the road junction terminal that this terminal accesses described in railway private network is positioned over the road junction room of Along Railway, and this is eventually
Terminate into railway private network；Road junction operating personnel by log in monitoring platform data center be its distribution account it is possible to according to
The authority of this terminal checks the Train Approaching early warning information at current road junction.
9. method according to claim 7, is characterized in that the existing Communication ray it is characterized in that using Along Railway laying
Cable.
10. method according to claim 7 is it is characterised in that described communication link is railway private network, described monitoring
Platform data center comprises server, center monitors display device；The information that distribution type fiber-optic Detection location instrument can be uploaded
Carry out logic manage, and the authority according to each terminal, send corresponding early warning information to road junction terminal and monitor terminal.
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| CN201610926048.4A CN106394612A (en) | 2016-10-24 | 2016-10-24 | Crossing train approaching real-time pre-warning system and method based on distributed optical fibers |
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Cited By (19)
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| CN106828543A (en) * | 2017-03-13 | 2017-06-13 | 北京众成探知信息技术有限公司 | A kind of optical fiber distributed type train monitoring system |
| CN106828199A (en) * | 2017-03-30 | 2017-06-13 | 北京全路通信信号研究设计院集团有限公司 | Cable anti-interference system for electrified railway section |
| CN107235055A (en) * | 2017-06-12 | 2017-10-10 | 南宁铁路局科学技术研究所 | Railway level-crossing early warning protection and remote monitoring system |
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| CN110210326A (en) * | 2019-05-10 | 2019-09-06 | 南京航空航天大学 | A kind of identification of online train and speed estimation method based on fiber-optic vibration signal |
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| CN112550378A (en) * | 2020-11-26 | 2021-03-26 | 安徽徽一通讯科技有限公司 | Method, system and storage for mapping positions between track accompanying optical cable and track |
| CN112611442A (en) * | 2020-11-26 | 2021-04-06 | 中国科学院合肥物质科学研究院 | Railway bridge health monitoring method and system based on track accompanying optical cable |
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| CN113418590A (en) * | 2021-07-19 | 2021-09-21 | 安徽徽一通讯科技有限公司 | Method for monitoring railway signal by optical fiber sensing |
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| CN112550378A (en) * | 2020-11-26 | 2021-03-26 | 安徽徽一通讯科技有限公司 | Method, system and storage for mapping positions between track accompanying optical cable and track |
| CN112829798A (en) * | 2021-01-20 | 2021-05-25 | 孙中银 | Tramcar crossing barrier detection early warning system and early warning method |
| CN113418590A (en) * | 2021-07-19 | 2021-09-21 | 安徽徽一通讯科技有限公司 | Method for monitoring railway signal by optical fiber sensing |
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