CN104884331A - Collision avoidance information system for urban rail transport train - Google Patents
Collision avoidance information system for urban rail transport train Download PDFInfo
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- CN104884331A CN104884331A CN201380067597.5A CN201380067597A CN104884331A CN 104884331 A CN104884331 A CN 104884331A CN 201380067597 A CN201380067597 A CN 201380067597A CN 104884331 A CN104884331 A CN 104884331A
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- 230000003321 amplification Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
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- 238000012546 transfer Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 11
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- 101100456831 Caenorhabditis elegans sams-5 gene Proteins 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 2
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- 230000001066 destructive effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 230000001360 synchronised effect Effects 0.000 description 2
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- 239000010453 quartz Substances 0.000 description 1
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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
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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
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0027—Radio-based, e.g. using GSM-R
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Provided is a collision avoidance information system for an urban rail transport train, comprising an operation control centre (10), station equipment (20), track-side equipment (30) and vehicle equipment (40), wherein RFID positioning technology is applied to urban rail transport to label on an operating line in real time the position of an operating train, realizing system tracking, and recording a running track. The vehicle equipment uses 4G technologies to communicate in real time with the operation control centre, whereby train position data is sent to the operation control centre to realize accurate positioning and realize functions such as the transmission of warning information, video monitoring, and emergency braking.
Description
The present invention relates to field of track traffic, more specifically to a kind of urban railway transit train Anticollision information system.
Into 21st century, China's field of track traffic is quickly grown, the speed-raising of general fast railway, high ferro construction operation, the networked operation of city underground light rail, is all that Metroplises crowd reduces intercity gap, increase and links up opportunity and creates unlimited possibility.But, if the scheduling to track traffic running train is not accurate enough, the train colliding on same track is easily lead to, great traffic safety accident is caused.
Although most cities rail transportation operation circuit train is equipped with train operating safety control system, in train operating safety control system normal work, the operation safety of train is responsible for by the train operating safety control system of its outfit.But be still out of gear in the technical equipment system of field of urban rail other set independence at present.For also being broken down in train operating safety control system, or meet with system logic design mistake, during the artificial fortuitous event such as maloperation or destructive procedure, increase the automatic early-warning system of a set of independence and train operating safety control system, many information to safe train operation of train is proposed the function of warning in advance.
The present invention
The technical problem to be solved is, for there is no other independent Collsion proof safety information system to be equipped in field of urban rail in existing application technology, there is provided a kind of urban railway transit train Anticollision information system for the defect that safe train operation information of the realization in the case of train operating safety control system failure, system logic design mistake, artificial maloperation or destructive procedure is warned in advance.
The technical solution adopted for the present invention to solve the technical problems is：A kind of new urban railway transit train Anticollision information system is constructed, including：
Run control centre, including central operation monitoring unit, arithmetic processor, database server, equipment of the core network and clock interface, wherein, the central operation monitoring unit is used to provide train tracking and the real-time display of train position and follow the trail of when speed transfinites in train to be alarmed, and the voice and video completed between center operations controllers and train operator communicates；The database server
Storage for track data and electronic map；It is described
Equipment of the core network is responsible for and each server, processor are by real-time Transmission platform of the Ethernet switch interface as the information between car ground, voice and video business, and integrated service information is passed through in TD-LTE wireless network transmissions to train；
Station equipment, including LTE base station and the network switch, wherein, the LTE base station is used to provide center and the wireless transfer channel of the physical interface, with setting up car equipment room of the information exchange of trackside；The network switch is used for the communication link set up between station equipment and control centre's equipment and information forwarding；
Trackside equipment, including remote wireless unit and RFID tag, wherein, the RFID tag is used to store trackside place on line information；
Mobile unit, including the transmission of information and the vehicle intelligent antenna received between equipment for car, it is responsible for setting up the vehicle mobile terminals of the transmission of wireless connection and information with trackside wireless base station, for the RFID reader for the information for reading the RFID tag, on-board processing unit, Vehicular display device, for train operation ahead video information, the Vehicular video harvester of video information or driver operation video information in train operator room, vehicle-mounted voice communicator for the voice and video call between control centre dispatcher and train operator and the voice and video call between train operator.
It is described in urban railway transit train Anticollision information system of the present invention
The train position information that arithmetic processor is provided by the mobile unit, train position, the speed of service and direction are calculated, and combines the computing and the output of sound and light alarm and control information of train braking parameter and the trackside ambient parameter information set completion train operation organization.
In urban railway transit train Anticollision information system of the present invention, the clock interface is connected using Network Time Protocol with clock system, and synchronously
It is all to use online system time.
In urban railway transit train Anticollision information system of the present invention, the remote wireless unit is used to complete the modulation /demodulation of base station radio signal, data processing, power amplification, standing wave detection.
In urban railway transit train Anticollision information system of the present invention, the RFID tag is passive label.
In urban railway transit train Anticollision information system of the present invention, the on-board processing unit includes control logic subsystem, communication subsystem, input subsystem and output subsystem.
In urban railway transit train Anticollision information system of the present invention, the Vehicular display device is used to indicate the train and the relative distance of its previous train and latter train, the tracking alarm of train and the display of video calling.
Implement the urban railway transit train Anticollision information system of the present invention, have the advantages that：RFID location technologies are applied to urban track traffic main track by the present invention first, to the mark on the position progress real time execution circuit of running train, are realized that system is tracked, are recorded running orbit；Mobile unit realizes the real-time Communication for Power with running control centre using 4G technologies, and train location data is sent into operation control centre, is accurately positioned with this to realize.And realize warning message transmission, video monitoring, force the functions such as brake hard；The Tracing Control of train is to run the arithmetic processor equipment of control centre as core, pass through the track circuit electronic map in database server, and the unique identity per train, positional information according to train, the weather condition and line condition set according to central operation controllers, consider system response time, train braking parameter, the arithmetic processor of operation control centre calculates the safe stopping distance of train and safety follows the trail of distance.
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the overall work theory diagram of the urban railway transit train Anticollision information system of the present invention；
Fig. 2 is the operation principle block diagram of the operation control centre of the urban railway transit train Anticollision information system of the present invention；
Fig. 3 is the operation principle block diagram of the station equipment of the urban railway transit train Anticollision information system of the present invention；
Fig. 4 is the operation principle block diagram of the trackside equipment of the urban railway transit train Anticollision information system of the present invention；
Fig. 5 is the operation principle block diagram of the mobile unit of the urban railway transit train Anticollision information system of the present invention；
Fig. 6 is the operation principle block diagram of the on-board processing unit of the urban railway transit train Anticollision information system of the present invention.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Fig. 1 shows the overall work theory diagram of the urban railway transit train Anticollision information system of the present invention, the system includes operation control centre 10, station equipment 20, trackside equipment 30 and mobile unit 40, the system is the train collision avoidance information system based on 4G radio communications and RFID radio frequency identification location technologies, utilize 4G wireless communication technologys and RFID radio RF recognition technologies, with the completing car interaction of information, train is recognized and train positioning, the calculating of train running speed, and determine current of traffic.Track circuit figure will be combined by being arranged on the arithmetic processor of control centre, train running speed and braking ability, and the calculating of other environmental coefficient such as adhesion coefficient completion Train Intervals that may influence train driving, determine the safe distance between train, simultaneously monitoring picture and information are provided for dispatcher, and sound and light alarm is exported in train interval hypotelorism, close to emergency brake operations are performed by dispatcher during risk distance, prevent the generation of train colliding accident.
Fig. 2 shows the operation principle block diagram of the operation control centre of the urban railway transit train Anticollision information system of the present invention, including central operation monitoring unit 11, arithmetic processor 12, database server 13, equipment of the core network 14 and clock interface 15, wherein, central operation monitoring unit 11 is at least used to provide following function：All fronts on-line operation train follows the trail of the real-time display with train position, and being alarmed when train tracking speed transfinites, and set up voice and video between center operations controllers and train operator communicates；With the display of train operation ahead video information in train driving room；Follow the trail of and hypotelorism and alarmed in train, and operational control personnel by video when having found that driver does not take appropriate measures in time, starts control centre's emergency brake command and operates.Simultaneously by the central operation monitoring unit, different weather conditions and orbital environment condition may be selected in center operations controllers, to realize that the tracking under different environmental conditions is alarmed.
Arithmetic processor 12 takes 2 redundancy structures using security platform 2*2, and all data from mobile unit can all be cross-checked in two independent passages and independently calculate output data.The data of output are cross-checked between two passes again, if examined successfully, produce correct data output；If it fails, then processor will not export any data.The train position information that arithmetic processor is provided by mobile unit, complete train position, the speed of service and the computing in direction, and with reference to the output of the computing of the information completion train operation organization such as train braking parameter and the trackside ambient parameter such as adhesion coefficient set, and sound and light alarm and control information.
Database server 13
For the storage of track data and electronic map, weather and orbital environment condition, the storage of train braking parameter, train tracked information, the function such as operation and service data record.
Equipment of the core network 14 is responsible for and each server, processor are by real-time Transmission platform of the Ethernet switch interface as the information between car ground, voice and video business, and integrated service information is passed through in TD-LTE wireless network transmissions to train.
Clock interface 15 is using Network Time Protocol and clock system interface, synchronization system time, Network Time Protocol（Network Time
Protocol）It is that, for making a kind of computer time synchronized agreement, it can make computer to its server or clock source（Such as quartz clock, GPS etc.) synchronize, it can provide the time adjustment of high accurancy and precision（LAN is upper to be less than 1 millisecond, WAN upper a few tens of milliseconds with standard room difference）, and vicious protocol attack can be prevented via the mode of encrypted acknowledgment.
Fig. 3 shows the work of the station equipment of the urban railway transit train Anticollision information system of the present invention
Theory diagram, including LTE base station 21 and the network switch 22, wherein, LTE base station 21 is used to provide center and the physical interface of the information exchange of trackside, sets up
Car ground two-way, continuous, real-time, the safe wireless transfer channel of equipment room, realizes data interaction, including control information, warning information and video data stream etc.
；The network switch 22 is used for the communication link set up between station equipment and control centre's equipment and information forwarding.
Fig. 4 shows the operation principle block diagram of the trackside equipment of the urban railway transit train Anticollision information system of the present invention, including remote wireless unit 31 and RFID tag 32, wherein, remote wireless unit 31
Completely arranged along circuit, and realize the 4G wireless coverages of all fronts, mainly complete the functions, RFID tag 32 such as modulation /demodulation, data processing, power amplification, the standing wave detection of base station radio signal
Using passive label, inside is not provided with battery, for storing trackside place on line information.
Fig. 5 shows the operation principle block diagram of the mobile unit of the urban railway transit train Anticollision information system of the present invention, including for car ground equipment, such as equipment between station and ground, the transmission of information and the vehicle intelligent antenna 41 received between them, it is responsible for setting up the vehicle mobile terminals 42 of the transmission of wireless connection and information with trackside wireless base station, for the RFID reader 43 for the information for reading RFID tag, on-board processing unit 44, Vehicular display device 45, for train operation ahead video information, the Vehicular video harvester 46 of video information or driver operation video information in train operator room, vehicle-mounted voice communicator 47 for the voice and video call between control centre dispatcher and train operator and the voice and video call between train operator.
Vehicular display device 45 is used for the relative distance for indicating this car and previous train and latter train, the tracking alarm of train, display of video calling etc..
Vehicular video harvester 46, the quantity for the Vehicular video harvester installed per train can be configured as needed.
Fig. 6 shows the operation principle block diagram of the on-board processing unit of urban railway transit train Anticollision information system
, on-board processing unit 44 is used multiplies the two Safety Redundancy systems for taking two frameworks, including control logic subsystem 441, communication subsystem 442, input subsystem 443 and output subsystem 444 based on two.Redundancy relationship often is constituted comprising two pieces of identical templates in set subsystem, every piece of template employs two safety precautions for taking two.Two sets of logic control templates are connected with vehicle interface simultaneously, and work simultaneously, and separating principal and subordinate two by competition after upper electricity is, principal series each cycle needs to send the synchronous working of synchronically controlling information control device and other subsystems.
The Train Control order sent by center received is carried out twin check and confirmation by on-board processing unit 44, it is ensured that the correct output of control command to emergency brake of vehicle interface.Meanwhile, the positional information that it is responsible for collecting train is sent to control centre through vehicle mobile terminals.
Further, on-board processing unit 44
It is responsible for voice communications, the processing of video compress；With emergency brake of vehicle system interface, after control centre's dispatcher's emergency brake command operation, mobile unit receives brake command, and the processing and verification of security system are completed by on-board processing unit, then by the interface with vehicle, generation prevents the brake hard control command of train colliding；With the interface on integrity of train of vehicle, by the interface, train collision avoidance information system can realize the real-time monitoring to the integrality of train.
RFID location technologies are applied to urban track traffic main track by the present invention, to the mark on the position progress real time execution circuit of running train, are realized that system is tracked, are recorded running orbit；Mobile unit realizes the real-time Communication for Power with running control centre using 4G technologies, and train location data is sent into operation control centre, is accurately positioned with this to realize.And realize warning message transmission, video monitoring, force the functions such as brake hard；The Tracing Control of train is to run the arithmetic processor equipment of control centre as core, pass through the track circuit electronic map in database server, and the unique identity per train, positional information according to train, the weather condition and line condition set according to central operation controllers, consider system response time, train braking parameter, the arithmetic processor of operation control centre calculates the safe stopping distance of train and safety follows the trail of distance.
Although being disclosed by above example to the present invention, protection scope of the present invention is not limited thereto, under conditions of without departing from present inventive concept, and deformation, replacement that each component is done to more than etc. will be fallen within the claims of the present invention.
Claims (7)
- A kind of urban railway transit train Anticollision information system, it is characterised in that including：Run control centre（10）, including central operation monitoring unit（11）, arithmetic processor（12）, database server（13）, equipment of the core network（14）And clock interface（15）, wherein, the central operation monitoring unit（11）Alarmed for providing train tracking and the real-time display of train position and being followed the trail of in train when speed transfinites, and the voice and video completed between center operations controllers and train operator communicates；The database server（13） Storage for track data and electronic map；It is described Equipment of the core network（14）It is responsible for and each server, processor is by real-time Transmission platform of the Ethernet switch interface as the information between car ground, voice and video business, integrated service information is passed through in TD-LTE wireless network transmissions to train；Station equipment（20）, including LTE base station（21）And the network switch（22）, wherein, the LTE base station（21）For providing center and the wireless transfer channel of the physical interface, with setting up car equipment room of the information exchange of trackside；The network switch（22）For setting up communication link and information forwarding between station equipment and control centre's equipment；Trackside equipment（30）, including remote wireless unit（31）And RFID tag（32）, wherein, the RFID tag（32）For storing trackside place on line information；Mobile unit（40）, including the transmission of information and the vehicle intelligent antenna received between equipment for car（41）, be responsible for trackside wireless base station set up wireless connection and information transmission vehicle mobile terminals（42）, information for reading the RFID tag RFID reader（43）, on-board processing unit（44）, Vehicular display device（45）, Vehicular video harvester for video information or driver operation video information in train operation ahead video information, train operator room（46）, between control centre dispatcher and train operator voice and video call and train operator between voice and video call vehicle-mounted voice communicator（47）.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the arithmetic processor（12）Pass through the mobile unit（40） The train position information of offer, calculates train position, the speed of service and direction, and combine the computing and the output of sound and light alarm and control information of train braking parameter and the trackside ambient parameter information set completion train operation organization.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the clock interface（15）It is connected using Network Time Protocol with clock system, and the synchronization system time.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the remote wireless unit（31）Modulation /demodulation, data processing, power amplification, standing wave detection for completing base station radio signal.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the RFID tag（32）For passive label.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the on-board processing unit（44）Including control logic subsystem（441）, communication subsystem（442）, input subsystem（443）And output subsystem（444）.
- Urban railway transit train Anticollision information system as claimed in claim 1, it is characterised in that the Vehicular display device（45）For indicating the train and the relative distance of its previous train and latter train, the tracking alarm of train and the display of video calling.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/073970 WO2014166062A1 (en) | 2013-04-09 | 2013-04-09 | Collision avoidance information system for urban rail transport train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104884331A true CN104884331A (en) | 2015-09-02 |
| CN104884331B CN104884331B (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380067597.5A Expired - Fee Related CN104884331B (en) | 2013-04-09 | 2013-04-09 | Urban railway transit train Anticollision information system |
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| Country | Link |
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| CN (1) | CN104884331B (en) |
| WO (1) | WO2014166062A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105329262A (en) * | 2015-10-19 | 2016-02-17 | 杭州创联电子技术有限公司 | Railway vehicle anti-collision system and method on basis of absolute displacement |
| CN107133605A (en) * | 2017-05-25 | 2017-09-05 | 上海复旦通讯股份有限公司 | A kind of train operator's monitoring system and device based on LTE R networks |
| CN108045402A (en) * | 2017-12-29 | 2018-05-18 | 中国铁路设计集团有限公司 | Signal system start indicator device integrated morphology based on train-ground communication |
| CN108765629A (en) * | 2018-05-07 | 2018-11-06 | 成都九壹通智能科技股份有限公司 | Railway trains monitor terminal |
| CN111717176A (en) * | 2020-05-19 | 2020-09-29 | 中车青岛四方机车车辆股份有限公司 | Control device and control method for passenger emergency braking and train |
| CN115158395A (en) * | 2022-08-08 | 2022-10-11 | 中车青岛四方机车车辆股份有限公司 | Rail end vehicle anti-collision protection method, system, medium, equipment and vehicle |
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| CN109795483B (en) * | 2018-12-29 | 2020-09-04 | 深圳华侨城文化旅游科技集团有限公司 | Anti-collision method and system for rail car and storage medium |
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| CN112904779B (en) * | 2021-02-05 | 2022-08-30 | 西北铁道电子股份有限公司 | Rail car operation safety control system and method |
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| CN113572707B (en) * | 2021-07-06 | 2023-02-28 | 安徽理工大学 | Computer network switch |
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| WO2014166062A1 (en) | 2014-10-16 |
| CN104884331B (en) | 2016-10-26 |
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