CN109532964A - A kind of railway level-crossing control system - Google Patents
A kind of railway level-crossing control system Download PDFInfo
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- CN109532964A CN109532964A CN201811463867.5A CN201811463867A CN109532964A CN 109532964 A CN109532964 A CN 109532964A CN 201811463867 A CN201811463867 A CN 201811463867A CN 109532964 A CN109532964 A CN 109532964A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/08—Operation of gates; Combined operation of gates and signals
Abstract
The present invention relates to a kind of railway level-crossing control systems, belong to technical field of rail traffic, including main control unit, I/O-unit, road junction control representation disk, monitoring machine.System multiplies two using two and takes two redundancy structures, the state acquisition of external equipment is realized by I/O-unit, external equipment is controlled by I/O-unit again after carrying out calculation process according to the application logic at road junction, to complete automatic opening and the closing of crossing system, guarantee railway and the orderly operation of highway safety, it is equipped with log recording simultaneously, manually controls function, strengthen the system safety is maintainable.
Description
Technical field
The invention belongs to technical field of rail traffic, and in particular to a kind of safety-type railway level-crossing control system.
Background technique
Level crossing is the important component of railway traffic safety safely, and crossing safety system is also railway operation safety
The important component of safeguards system.Currently, china railway proposes the great-leap-forward development thinking of Railway Transport Industry, railway fortune
Defeated fast development necessarily makes the rapid raising of train speed and significantly increasing for train density, to also propose to railway security
New requirement, just shows that acquisition frequency will also significantly improve in terms of level crossing, train occupies the time in road
Corresponding to shorten, therefore, the security protection task of junction railway is just more and more heavier, the high efficiency and safety of road junction control system
Also it is more valued by people.
Currently, the safety management of China railways level crossing, control system mainly have following three kinds: 1) Attended mode manages road
Mouthful；2) sound-light alarm manages road junction；3) long-distance control management road junction.Wherein, Attended mode management road junction passes through in railway
Level crossing is arranged special messenger and manipulates banister, current using artificial guidance train.This method is highly-safe, flexibility is big, can be in time
A variety of emergency events are coped with, but are also required to arrange a large amount of manpower in railway level-crossing simultaneously, it is not intensive for train passage
Railway level-crossing for, substantially cause the waste of a large amount of manpower；Sound-light alarm manages road junction, refers in Railway road
The combined aural and visual alarm for detecting the sensor of approach of train and being connected with sensor is arranged in road junction, and sensor, which detects, works as train
When close, combined aural and visual alarm issues alarm signal, and the pedestrian and means of transport for needing to walk railway level-crossing halt waiting fire
Vehicle passes through, and train speed reducing passes through.Sound-light alarm management road junction mode is completely dependent on the sensor that is arranged on rail to perceive fire
Vehicle is close, although saving a large amount of human resources, overall security is poor, early warning efficiency is also far below other managers
Formula；Long-distance control management road junction refers to and management console is arranged in administrative center, and vehicle-mounted end is arranged on current train
End, in the banister that railway level-crossing is arranged gate control device and is connected with gate control device, car-mounted terminal is controlled to management
Platform processed notices train running information, and the administrative staff of administrative center pass through management console process control gate control device,
Gate control device closes banister, makes railroad crossing is current to interrupt.Long-distance control management road junction, not in railroad crossing
Mouthful setting manpower management railway level-crossing, still, the railway level-crossing quantity for needing to manage due to administrative center compared with
More, the great work intensity of administrative staff closes banister by artificial remotely controlling gate control device, exists uncertain and not
Safety.
Therefore in view of the drawbacks of the prior art, it is really necessary to propose a kind of technical solution to solve skill of the existing technology
Art problem.
Summary of the invention
To realize the safety and high efficiency of road level crossing control system, while human cost is saved, the present invention provides
A kind of safety-type railway level-crossing control system.
The object of the invention is achieved through the following technical solutions:
A kind of railway level-crossing control system, major function equipment include:
1) main control unit is core cell safety-related in system, is responsible for all road junctions using logical process, passes through
I/O-unit realizes the state acquisition of external equipment, controls outside by IO again after carrying out calculation process according to the application logic at road junction
Equipment, to complete the automatic or manual control of crossing system；
2) I/O-unit is execution unit safety-related in system.By I/O-unit realize external equipment state acquisition,
The control etc. of external equipment.
3) control panel, to main control unit send manual control button control information, to control barrier machine rising, under
Drop etc..Wherein monitoring machine contains log store function and man-machine display function；
4) monitoring machine receives and shows main control unit treated road junction information, and staff can be straight by the interface HMI
The working condition for seeing road junction seen.Monitoring machine contains log store function.
5) external equipment goes out clear relay, train approach announcement relay, highway signs including at least barrier machine, road junction
Machine and crossing protection semaphore, wherein the train approach announcement relay is for detecting access areas of the train close to road junction；
The road junction goes out clear relay for detecting the region of leaving away that train sails out of road junction；The barrier machine, highway signs machine and road junction
Guard signal machine is controlled by the I/O-unit, for being in access areas according to train or region of leaving away controls its working condition
To realize security control.
Preferably, main control unit includes two master control borads active and standby each other, respectively main control unit 1 and main control unit
2, each main control unit includes two information, data processing units again, respectively CPU1 and CPU2；The I/O-unit is by multiple IO
Subelement is constituted, and each IO subelement is made of two blocks of I/O-unit plates again, respectively I/O-unit 1 and I/O-unit 2, the unit of two systems
Plate is redundancy structure, and the failure of monosystem not will lead to system and cannot run.Each unit plate includes two CPU, respectively CPU1 again
And CPU2；I/O-unit is connected with each external equipment, can carry out drive control and state acquisition to each external equipment, and pass through CAN
Bus is communicated with main control unit；CAN bus is made of two redundancy CAN nets, respectively CANA and CANB；Work as data down transmission
When, main control unit CPU1 passes through the bis- nets of CANA and CANB respectively, transmits control data to each system's I/O-unit CPU1, main control unit
CPU2 passes through the bis- nets of CANA and CANB respectively, and transmitting control data to each system's I/O-unit CPU2 when data upload respectively is that IO is mono-
First CPU1 passes through the bis- nets of CANA and CANB respectively, and acquisition data are sent to main control unit CPU1, is respectively I/O-unit CPU2 difference
By the bis- nets of CANA and CANB, acquisition data are sent to main control unit CPU2.Using the type structure make each signal in system,
Data can all be backed up with the presence of one, when a certain link breaks down, not influence system operation, while passing through active and standby two groups of letters
Number, the comparisons of data, can find error message searching system failure in time, high degree improves security of system.
Preferably, train approach announcement relay and road junction go out clear relay, by dry node interface mode to acquire IO mono-
Member circuit be connected, favorable expandability.Go out clear relay for train approach announcement relay and road junction to pass through while before acquisition
The mode of posterior nodal point prevents relay tip adhesion from leading to the risk of malfunction.
Preferably, road junction is divided into first approach section by this system, second approach section, clear section three parts are carried out out
Logical operation improves the reliability of road junction control system, safety.
Preferably, monitoring machine is connected with main control unit, display system working condition and recoding daily log, and can basis
Log carries out the playback of road junction working condition, in order to which user of service understands, inquiry system working condition.
Preferably, the control button disk is used for the method for operation of control system, the movement of external equipment is controlled.Control
Push button pad can allow system to run on automatic mode, realize the automation of road junction control；It can also switch to manual control mode, by
Staff controls the relevant device operation at road junction by hand.
Preferably, all of main control unit feasible system apply logic function, specific implementation flow is as follows:
S1, I/O-unit acquire each external device status and are uploaded to main control unit；
S2, main control unit receive the acquisition data of I/O-unit, and convert equipment for the data of acquisition by configuration data
Status information；
S3, main control unit calculate outside using logical process and set according to each external device status of crossing system
Standby control command；
The control command of each external equipment is mapped to the output channel of I/O-unit by S4, main control unit, and is sent out to I/O-unit
Send output control command；
After S5, I/O-unit receive the output control command of main control unit, exports and control to counterpart external device, it is final complete
At the control function of crossing system.
Preferably, the crossing protection semaphore is made of two aobvious railway signals, semaphore is controlled by main control unit
Principal representation lamp is lighted, and main control unit acquires semaphore contact relay state simultaneously and judges control command and semaphore output action
Consistency, for guarantee safety, crossing protection semaphore is controlled by the way of double break.Highway signs machine controls highway direction
Pedestrian and vehicle pass-through.
Preferably, the barrier machine is also equipped with Action Button, Action Button uses nonstick button, and Action Button is pressed
At least one second valid, causes roadway gate malfunction to prevent external interference source.
Compared with prior art, the present invention has following technical effect that
1, more letters are obtained close to section, the out division of clear section, main control unit close to section, the 2nd due to being provided with the 1st
Breath is able to detect in the same direction, and incorgruous subsequent train reaches, and performs corresponding processing.It is carried out simultaneously using multiple section informations
Logical operation, safety, reliability are higher.
2, keep current disable signal that can accurately control iron due to the division using 3 sections when the signal of railway side is normal
Trackside train passage allows the time of signal, improves the safety at road junction.
3, scalability is more preferable, and usage mode is versatile and flexible.This system can access railway interlocking by the way of dry contact
The signal of system, the signal of axle counting system, the signal of various train detection systems.Output, can be with also by the way of dry contact
Use the semaphore of different manufacturers, barrier machine etc..
4, safety is more preferable.For important input information, keep information more acurrate by the way of the acquisition of front and back contact.Weight
The output signal wanted carries out consistency voting on software, carries out consistency voting on hardware again, it is any it is inconsistent all will not be defeated
Driving signal out.
Detailed description of the invention
Fig. 1 is the system schematic of the embodiment of the present invention.
Fig. 2 is the logic function decision flowchart of the embodiment of the present invention.
Fig. 3 is section partition schematic diagram of the present invention to road junction.
Specific embodiment
Illustrating the present invention below in conjunction with specific embodiment, the following example is only used to illustrate the technical scheme of the present invention,
And the scope of protection of the present invention is not limited.
Embodiment one:
Referring to Fig. 1, show the structural block diagram of railway level-crossing control system of the present invention, include at least main control unit,
I/O-unit, control panel, monitoring machine and external equipment, wherein
Main control unit is connected with multiple I/O-units, for being responsible for all road junctions using logical process and according to road junction
External equipment is controlled to complete the automatic or manual control of crossing system by IO again after carrying out calculation process using logic；
Each I/O-unit is connected by bus with the main control unit, for realizing coupled external equipment
The control of state acquisition and external equipment；
External equipment include at least barrier machine, road junction go out clear relay, train approach announcement relay, highway signs machine and
Crossing protection semaphore, wherein the train approach announcement relay is for detecting access areas of the train close to road junction；It is described
Road junction goes out clear relay for detecting the region of leaving away that train sails out of road junction；The barrier machine, highway signs machine and crossing protection
Semaphore is controlled by the I/O-unit, for being in access areas according to train or region of leaving away controls its working condition with reality
Existing security control.
Wherein, the main control unit includes at least the first main control unit and the second main control unit, wherein first master control
Unit and the second main control unit are active and standby each other；
Control panel is connected with I/O-unit, for sending the control information of manual control button to main control unit with control group
The wooden machine.
Monitoring machine remotely accesses main control unit, for receiving, storing and showing main control unit treated road junction information.
In above-mentioned technical proposal,
1) the first main control unit 1, the second main control unit 2 are connected for the application logical process at road junction with I/O-unit 3,4
It connects, the state acquisition of external equipment is realized by I/O-unit 3,4, after the application logic progress calculation process at road junction, lead to
It crosses I/O-unit 3,4 and is sent to external equipment for external signal is controlled, to complete the automatic or manual control of crossing system；
2) monitoring machine 7 receive and show main control unit 1,2 treated road junction information, are used for log store function and people
Machine display function；Control panel 7 is used to send the control information of control button to main control unit 1,2；
3) barrier machine 8 are the trackside infrastructure devices of urban track traffic, when receiving command adapted thereto, rise and put down road junction
Roadway gate, for allowing or preventing the city vehicle and walk vertical with current of traffic；
4) semaphore is the trackside infrastructure device of urban track traffic, and train must write the display operation according to semaphore,
Including at least highway signs machine 11 and crossing protection semaphore 12；
Whole system multiplies two using two and takes two redundancy structures according to each equipment working state automatic opening and closing road junction, protects
Demonstrate,prove railway and the orderly operation of highway safety.
Wherein, main control unit 1,2 include two master control borads active and standby each other, and respectively 1 is master control borad and 2 be master control borad,
Every piece of master control borad includes two information, data processing units again, respectively CPUA and CPUB；The I/O-unit 3,4 is by multiple mutual
It is constituted for active and standby IO subelement, each IO subelement is made of two blocks of I/O-unit plates again, and respectively 1 is that cell board and 2 systems are single
It similarly includes two CUP, also known as CPUA and CPUB that first plate, which is respectively cell board, but said units are different.
I/O-unit 3,4 is connected by dry node interface mode with each external equipment, can each external equipment progress drive control
And state acquisition, and communicated by CAN bus 3 and main control unit 1,2；CAN bus 3 is by two redundant networks active and standby each other
It constitutes, respectively CANA and CANB；When data down transmission, main control unit CPUA passes through the bis- nets of CANA and CANB respectively, will control
Data are sent to each system's I/O-unit CPUA, and main control unit CPUB passes through the bis- nets of CANA and CANB respectively, transmits control data to
Respectively it is I/O-unit CPUB, is respectively that I/O-unit CPUA passes through the bis- nets of CANA and CANB respectively when data upload, it will acquisition data transmission
Main control unit CPUA is given, is respectively that I/O-unit CPUB passes through the bis- nets of CANA and CANB respectively, acquisition data are sent to main control unit
CPUB.Using the type structure each signal, data in system can all be backed up with the presence of one, when a certain link breaks down
When, system operation is not influenced, while by the comparison of active and standby two groups of signals, data, can find that system is found in error message in time
System failure.
Train approach announcement relay 8 and road junction go out clear relay 7 by doing adopting for node interface mode and I/O-unit 3,4
Collector is connected, and in order to reduce the risk of relay tip adhesion, two relays in parallel is arranged using repeater relay, are
The on off operating mode of the system acquisition concatenated one group of front contact of two relays and one group of back contact, determines whether road junction has Train Approaching
And 8 state of barrier machine, so that switching signal machine shows signal, and such as: it is required that when there is Train Approaching, it is necessary to monitor roadway gate
After the corresponding signal of the complete down state of machine 8, just allow semaphore 9 as allowing through state, train can pass through road junction.
As shown in figure 3, this system carries out train counting to train occupation according to section partition, counted in first approach section
When being 2 or more, show the train arrival that continues in the same direction, alarm should be issued again, shows the train arrival road junction that continues, need
Closing of barrier state is kept, the traffic in highway direction is prevented to enter road junction.At the road junction for having a plurality of tracks, different driving sides
To section on have train counting when, train of also thinking to continue reaches road junction, needs to keep closing of barrier state.Meanwhile
Section is divided by this method, the time that train is developed can be shortened in road junction as far as possible.Only the 2nd close to section have vehicle and
The crossing protection semaphore that road junction just opens railway side in the case where closing to roadside can be improved effectively by train passage
The safety at road junction.
Monitoring machine 6 is connected by 3G/4G network or optical fiber etc. with main control unit, and display system working condition simultaneously records work
Will is said, and can be according to the playback for saying will progress road junction working condition, in order to which user of service understands, inquiry system working condition.
Control button disk 7 is located in control room, only when staff need manually to system assign control instruction be using.
The all of 1,2 feasible system of main control unit apply logic function, and referring to fig. 2, implementation process is as follows:
S1, I/O-unit 3,4 acquire each external device status and are uploaded to main control unit；
S2, main control unit 1,2 receive the acquisition data of I/O-unit 3,4, and are converted the data of acquisition by configuration data
For device status information；
S3, main control unit 1,2 are carried out according to each external device status of crossing system using logical process, if it is determined that being not required to
Any control operation is carried out, then return step S1, while main control unit 1,2 enters standby mode；If it is determined that being controlled
System operation, then calculate the control command of external equipment, and enter step S4；
The control command of each external equipment is mapped to the output channel of I/O-unit 3,4 by S4, main control unit 1,2, and to IO
Unit 3,4 sends output control command；
After S5, I/O-unit 3,4 receive the output control command of main control unit, exports and control to counterpart external device, most
The control function of crossing system is completed eventually.
The present embodiment is more specifically: the Acquisition Circuit is acquired using two-way dynamic acquisition mode, each I/O-unit plate
CPUA and CPUB controls an independent dynamic acquisition circuit acquisition input signal respectively；It is realized by way of hardware redundancy double
Acquisition, can detecte own hardware failure by comparing collection result, meanwhile, only system continuous acquisition to multiple continuous-stables
Pulse train rear think that the signal is effective.
Meanwhile 8 state of barrier machine is indicated by four groups of microswitch contacts, be respectively as follows: 0-6 degree, 84-90 degree, 0-84 degree,
6-90 degree.In circuit system, combined using two groups of contacts of 0-6 degree and 6-90 degree, the 8 roadway gate shape of barrier machine as system back production
State.
Semaphore includes crossing protection semaphore 12 and highway signs machine 11.Obstruction signal is by two aobvious railway signal units
At being controlled 12 principal representation lamp of crossing protection semaphore using double break mode by main control unit and lighted, main control unit 1,2 acquires simultaneously
Semaphore contact relay state judges the consistency of the output action of control command and crossing protection semaphore 12.Highway signs
Machine 11 controls pedestrian and the vehicle pass-through in highway direction.
Barrier machine 8 is also equipped with Action Button, and Action Button uses nonstick button, and Action Button presses at least one second side and is
Effectively, cause roadway gate malfunction to prevent external interference source.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of railway level-crossing control system, which is characterized in that main control unit, I/O-unit and external equipment are included at least,
Wherein,
The main control unit is connected with multiple I/O-units, for being responsible for all road junctions using logical process and according to road junction
External equipment is controlled to complete the automatic or manual control of crossing system by IO again after carrying out calculation process using logic；
Each I/O-unit is connected by bus with the main control unit, for realizing the state of coupled external equipment
The control of acquisition and external equipment；
The external equipment include at least barrier machine, road junction go out clear relay, train approach announcement relay, highway signs machine and
Crossing protection semaphore, wherein the train approach announcement relay is for detecting access areas of the train close to road junction；It is described
Road junction goes out clear relay for detecting the region of leaving away that train sails out of road junction；The barrier machine, highway signs machine and crossing protection
Semaphore is controlled by the I/O-unit, for being in access areas according to train or region of leaving away controls its working condition with reality
Existing security control.
2. railway level-crossing control system according to claim 1, which is characterized in that the main control unit includes at least
First main control unit and the second main control unit, wherein first main control unit and the second main control unit are active and standby each other；
Each main control unit includes two data processing units, respectively CPU1 and CPU2, is mutually redundant structure；Each I/O-unit
It is made of two blocks of I/O-unit plates, respectively I/O-unit plate 1 and I/O-unit plate 2, the cell board of two systems is redundancy structure, each unit plate
It again include two CPU, respectively CPU1 and CPU2；
The I/O-unit is communicated by CAN bus with main control unit；The CAN bus is made of two redundancy CAN nets, point
It Wei not CANA and CANB；When data down transmission, main control unit CPU1 passes through the bis- nets of CANA and CANB respectively, and control data are sent
Pass through the bis- nets of CANA and CANB respectively to each system's I/O-unit CPU1, main control unit CPU2, it is mono- to transmit control data to each system IO
First CPU2 is respectively that I/O-unit CPU1 passes through the bis- nets of CANA and CANB respectively when data upload, and acquisition data are sent to master control list
First CPU1 is respectively that I/O-unit CPU2 passes through the bis- nets of CANA and CANB respectively, and acquisition data are sent to main control unit CPU2.
3. railway level-crossing control system according to claim 1 or 2, which is characterized in that the main control unit obtains
Train area information simultaneously carries out logical operation, and the train area information includes at least first approach section, second approach section
And departure section.
4. railway level-crossing control system according to claim 1 or 2, which is characterized in that the system further includes control
Disk, the control panel are connected with I/O-unit, for sending the control information of manual control button to main control unit with control group
The wooden machine.
5. railway level-crossing control system according to claim 1 or 2, which is characterized in that the system further includes monitoring
Machine, the monitoring machine remotely access main control unit, for receiving, storing and showing main control unit treated road junction information.
6. railway level-crossing control system according to claim 1 or 2, which is characterized in that the external equipment passes through
Dry contact is connected with the Acquisition Circuit of I/O-unit, and the train approach announcement relay and road junction go out clear relay and pass through while adopting
The mode of collection front and back node is to prevent relay tip adhesion from leading to the risk of malfunction.
7. railway level-crossing control system according to claim 1 or 2, which is characterized in that the main control unit can be real
The all of existing system apply logic function, and specific implementation flow is as follows:
S1, I/O-unit acquire each external device status and are uploaded to main control unit；
S2, main control unit receive the acquisition data of I/O-unit, and convert equipment state for the data of acquisition by configuration data
Information；
S3, main control unit carry out calculating external equipment using logical process according to each external device status of crossing system
Control command；
The control command of each external equipment is mapped to the output channel of I/O-unit by S4, main control unit, and defeated to I/O-unit transmission
Control command out；
After S5, I/O-unit receive the output control command of main control unit, exports and control to counterpart external device, be finally completed
The control function of port system.
8. railway level-crossing control system according to claim 6, which is characterized in that the Acquisition Circuit uses two-way
Dynamic acquisition mode acquires, and each I/O-unit plate CPU1 and CPU2 control an independent dynamic acquisition circuit acquisition input letter respectively
Number；Double acquisitions are realized by way of hardware redundancy, can detecte own hardware failure by comparing collection result, meanwhile, only
Think that the signal is effective in the pulse train rear for having system continuous acquisition to multiple continuous-stables.
9. railway level-crossing control system according to claim 1 or 2, which is characterized in that the crossing protection signal
Machine is made of two aobvious railway signals, and main control unit acquires semaphore contact relay state simultaneously and judges control command and signal
The consistency of machine output action controls crossing protection semaphore and highway signs machine by the way of double break.
10. a kind of safety-type railway level-crossing control system according to claim 3, which is characterized in that the roadway gate
Machine is also equipped with Action Button, and Action Button uses nonstick button, Action Button press at least one second it is valid, to prevent outside
Interference source causes roadway gate malfunction.
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| CN112895922A (en) * | 2021-01-07 | 2021-06-04 | 株洲中车时代电气股份有限公司 | Monitoring device for hydrogen fuel standby power supply and rail transit hydrogen fuel train |
| CN113715882A (en) * | 2020-05-22 | 2021-11-30 | 西安铁路信号有限责任公司 | Method for detecting barrier at railway crossing |
| CN114513534A (en) * | 2021-12-27 | 2022-05-17 | 卡斯柯信号有限公司 | Monitoring method and device for consistency of railway adjacent station line port directions |
| CN114590296A (en) * | 2022-04-27 | 2022-06-07 | 中国铁道科学研究院集团有限公司 | High-speed railway crossing control system |
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| CN114513534B (en) * | 2021-12-27 | 2024-03-29 | 卡斯柯信号有限公司 | Method and device for monitoring direction consistency of railway adjacent station line crossing |
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