CN107403580B - Railway signal integrated system experiment platform - Google Patents
Railway signal integrated system experiment platform Download PDFInfo
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Abstract
The invention relates to the technical field of automatic control systems for traffic railway signals, in particular to a railway signal comprehensive system experiment platform based on an analog simulation technology. The system is characterized by comprising a center equipment subsystem, a station ground equipment subsystem, a field data simulation equipment subsystem and a vehicle-mounted equipment subsystem; the local area network is adopted among all subsystems to realize data communication among all system components, the central equipment subsystem and related equipment thereof adopt a single local area network to realize data interaction communication, and the station ground equipment subsystem, the field data simulation equipment subsystem and the vehicle-mounted equipment subsystem adopt a set of local area network to realize data interaction communication among all subsystems. A set of comprehensive and professional platform for learning, researching and developing the Chinese train operation control system is formed by combining virtual simulation and real objects, and the requirements of professional teaching, training operation, scientific research practice, technical communication and technical cooperation are met.
Description
Technical Field
The invention relates to the technical field of automatic control systems for traffic railway signals, in particular to a railway signal comprehensive system experiment platform based on an analog simulation technology.
Background
In recent decades, china has raised the hot tide for the construction of high-speed railways, and the development of high-speed railways is rapid. The construction of a large number of 300km/h high-speed rails requires a large number of professionals to perform maintenance work, and a large number of 300km/h high-speed rails are constructed and to be constructed, so that personnel units such as railway design houses, engineering offices, signal equipment manufacturers, institutions and the like also require a large number of professional talents. The control system of the 300km/h high-speed railway line adopts a system 3 train control system. The system 3 is a complex system for ensuring driving safety and improving transportation efficiency, and is characterized in that professional talents are required for design, maintenance, equipment manufacturing and installation, and the talent demand is great. The rail traffic signal control profession bears the culture task of the professional talents, and in the form, graduates are in short supply and good in employment situation.
However, in the technical personnel training process of the automatic control system of the traffic and transportation railway signals, a corresponding test platform is lacking, and the system is used as a special specialty of national grade of China of rail transit signals and control, and a centralized control system of computer interlocking, interval signal automatic control, train running automatic control and dispatching is a major theoretical and practical and major requisite maintenance course of signal specialty. The equipment is the necessary control equipment for the high-speed railway field, is the equipment which the students in the field need to contact in the future to engage in professional work, and needs to have basic knowledge on the functions, structures, principles, use and maintenance of the equipment, so that the experiment platform of the signal comprehensive system of the train operation control system with various systems is urgently needed to be built.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provide a railway signal comprehensive system experiment platform, which effectively solves the problems existing in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the railway signal comprehensive system experiment platform is characterized by comprising a center equipment subsystem, a station ground equipment subsystem, a field data simulation equipment subsystem and a vehicle-mounted equipment subsystem; the local area network is adopted among all subsystems to realize data communication among all system components, the central equipment subsystem and related equipment thereof adopt a single local area network to realize data interaction communication, and the station ground equipment subsystem, the field data simulation equipment subsystem and the vehicle-mounted equipment subsystem adopt a set of local area network to realize data interaction communication among all subsystems.
The central equipment subsystem comprises a railway dispatching centralized control system, wireless blocking central equipment, a train-ground wireless communication module and a temporary speed limiting server, wherein the railway dispatching centralized control system comprises a data/application/communication/server, a train dispatching workstation, a comprehensive dispatching workstation, a system maintenance workstation, a system training workstation and an on-duty master workstation which are connected with related functions of the dispatching centralized control system by adopting simulation software, the railway dispatching centralized control system and the station distributed autonomous dispatching centralized control system in the station ground equipment subsystem form an integral dispatching centralized control system of the whole scheme, the integral dispatching centralized control system has the functions of train operation plan adjustment and station layer distributed autonomous, the station distributed autonomous dispatching centralized control system is responsible for receiving and displaying dispatching commands issued by the central dispatching centralized control system, and realizes the functions of arranging the routes according to the operation diagram through a communication interface which is interlocked with the dispatching centralized control system command station, and displaying the running state of a line from the central dispatching centralized control system and displaying a corresponding speed limiting section; displaying train number information of the train in real time; the wireless block center equipment and the train-ground wireless communication module are jointly controlled in a simulation mode by an industrial personal computer, the wireless block center equipment is combined with a railway comprehensive digital mobile communication system, the wireless block center equipment provides mobile authorization for the vehicle-mounted equipment in the station system 3, the vehicle-mounted equipment in the station system 3 calculates a speed train overspeed protection system curve and transmits the speed train overspeed protection system curve to the vehicle-mounted equipment through a simulation system of the railway comprehensive digital mobile communication system, the railway comprehensive digital mobile communication system is replaced by a WiFi wireless local area network based on 802.11 and a corresponding train-ground communication module in a simulation mode, the other wireless block center equipment is used for simulating a station system 3 line handover function, and particularly, the wireless block center equipment is automatically switched to a corresponding control mode according to the condition of a line, such as a section of a train running in the system 3, and the vehicle-mounted equipment is automatically switched to the system 3 control mode; if the vehicle-mounted equipment operates in the system 2 section, the vehicle-mounted equipment is automatically switched to a system 2 control mode; if the vehicle-mounted device runs in the system 1 section, the vehicle-mounted device is automatically switched to the system 1 control mode, and the temporary speed limiting server system is simulated by a server.
The station ground equipment subsystem comprises stations with 3 types respectively arranged according to three systems of a train operation control system: station 1 (system 1), station 2 (system 2) and station 3 (system 3), also include interval and single one system 2 relay station between the stations, interval select type to be double-line four display automatic block section, station 1, station 2, relay station, station 3 and interval between station and station form a annular area, can realize the switching of three kinds of system operation modes; the station 1 adopts an industrial personal computer simulation control to set a set of station interlocking system and a station scattered autonomous dispatching centralized control system, the station 2 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system, a train operation control system, a trackside electronic unit, an active transponder and a frequency shifting track circuit system, the station interlocking system adopts real equipment of a double-machine hot standby full-electronic computer interlocking system, the trackside electronic unit, the active transponder and the frequency shifting track circuit system are realized by adopting real equipment, and other systems are realized by adopting industrial personal computer simulation; the station 3 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system and a train operation control system, the station interlocking system of the station is simulated by an industrial personal computer to realize a double-machine hot standby function, the station autonomous machine and the train operation control system are respectively simulated by an industrial personal computer, and the relay station is provided with a set of train operation control system which is simulated by the industrial personal computer; the station scattered autonomous dispatching centralized control system comprises a vehicle service terminal and a shunting operator workstation, wherein the vehicle service terminal and the shunting operator workstation are controlled by an industrial personal computer in a software simulation mode, the electric service maintenance machine is simulated by the industrial personal computer, each workstation of the vehicle service terminal is connected with two displays, and station information and report information are respectively displayed.
The field data simulation equipment subsystems are all controlled by an industrial personal computer in a simulation mode, the station 1 outdoor field equipment is controlled by an industrial personal computer in a simulation mode, the station 2 system control outdoor field equipment comprises a four-wire system direct current electric switch machine, a station entering signal machine, a station exiting signal machine, a shunting signal machine, two four-wire system direct current electric switch machine simulation boxes and three alternating current switch machine simulation boxes, the station 3 outdoor field equipment is controlled by a single industrial personal computer in a simulation mode, the interval equipment is controlled by an industrial personal computer in a simulation mode, and the transponder and the interval frequency shifting track circuit are simulated.
The system comprises a system 1/2 vehicle-mounted train automatic protection system and a system 2/3 vehicle-mounted train automatic protection system, wherein the system 1/2 vehicle-mounted train automatic protection system consists of a set of transponder transmission unit antenna with transponder transmission unit modules and an analog industrial personal computer, functions of a train operation monitoring and recording device, a passenger dedicated line and a general line vehicle-mounted device in the system 2 are simulated, the system 2/3 vehicle-mounted train automatic protection system is simulated by the industrial personal computer to realize functions of the train automatic protection system of a high-speed railway line and the passenger dedicated line, and the train operation simulation device of the system 2/3 vehicle-mounted train automatic protection system is used for realizing functions of train tracking operation in the sections of the system 2 and the system 3.
The beneficial effects of the invention are as follows: the railway signal comprehensive system experiment platform is characterized in that three systems of a China Train Control System (CTCS) are adopted: the system 1 (CTCS-C0), the system 2 (CTCS-C2) and the system 3 (CTCS-C3) are combined together, and a mode of combining virtual simulation and real objects is adopted to construct a comprehensive and professional platform for learning, researching and developing a China train operation control system, and the system has the following effects:
(1) The system can complete the experiment teaching task of the 4-backbone major class of railway signal major, and provide various experimental projects in the aspects of computer interlocking, interval signal automatic control, train running automatic control, dispatching centralized control system and the like.
(2) Most signal professional graduates select engineering design graduation questions related to an interlocking, interval, train control and dispatching centralized control system, and the platform can provide an experimental platform for graduation design. Because the interlocking, the interval and the train control are core equipment related to driving safety, students can only visit the training equipment and cannot actually operate, and the platform can provide experimental conditions for learning actual manual operation of the students.
(3) The experimental platform is a complete signal control system, so that various experimental conditions in the aspects of outdoor signal equipment, interlocking, interval and train control can be met, and a system scientific research practice platform can be provided for researchers and teachers in some technological directions.
(4) The system can bear the training work of railway on-site signal equipment maintenance engineers and technicians, provides a good teaching experiment platform for the training work, and brings great social benefit.
(5) The method plays an important role in signal professional construction of each school and technical communication and technical cooperation among the schools.
Drawings
FIG. 1 is a schematic diagram of a platform device assembly and its construction;
FIG. 2 is a diagram of the connection relationship of the station ground equipment subsystem of the present invention;
FIG. 3 is a schematic diagram of the structure of the dispatch centralized control system center and station equipment of the present invention;
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 3, the experimental platform for the railway signal comprehensive system is characterized by comprising a central equipment subsystem, a station ground equipment subsystem, a field data simulation equipment subsystem and a vehicle-mounted equipment subsystem; the local area network is adopted among all subsystems to realize data communication among all system components, the central equipment subsystem and related equipment thereof adopt a single local area network to realize data interaction communication, and the station ground equipment subsystem, the field data simulation equipment subsystem and the vehicle-mounted equipment subsystem adopt a set of local area network to realize data interaction communication among all subsystems.
The central equipment subsystem comprises a railway dispatching centralized control system, wireless blocking central equipment, a train-ground wireless communication module and a temporary speed limiting server, wherein the railway dispatching centralized control system comprises a data/application/communication/server, a train dispatching workstation, a comprehensive dispatching workstation, a system maintenance workstation, a system training workstation and an on-duty master workstation which are connected with related functions of the dispatching centralized control system by adopting simulation software, the railway dispatching centralized control system and the station distributed autonomous dispatching centralized control system in the station ground equipment subsystem form an integral dispatching centralized control system of the whole scheme, the integral dispatching centralized control system has the functions of train operation plan adjustment and station layer distributed autonomous, the station distributed autonomous dispatching centralized control system is responsible for receiving and displaying dispatching commands issued by the central dispatching centralized control system, and realizes the functions of arranging the routes according to the operation diagram through a communication interface which is interlocked with the dispatching centralized control system command station, and displaying the running state of a line from the central dispatching centralized control system and displaying a corresponding speed limiting section; displaying train number information of the train in real time; the wireless block center equipment and the train-ground wireless communication module are jointly controlled in a simulation mode by an industrial personal computer, the wireless block center equipment is combined with a railway comprehensive digital mobile communication system, the wireless block center equipment provides mobile authorization for the vehicle-mounted equipment in the station system 3, the vehicle-mounted equipment in the station system 3 calculates a speed train overspeed protection system curve and transmits the speed train overspeed protection system curve to the vehicle-mounted equipment through a simulation system of the railway comprehensive digital mobile communication system, the railway comprehensive digital mobile communication system is replaced by a WiFi wireless local area network based on 802.11 and a corresponding train-ground communication module in a simulation mode, the other wireless block center equipment is used for simulating a station system 3 line handover function, and particularly, the wireless block center equipment is automatically switched to a corresponding control mode according to the condition of a line, such as a section of a train running in the system 3, and the vehicle-mounted equipment is automatically switched to the system 3 control mode; if the vehicle-mounted equipment operates in the system 2 section, the vehicle-mounted equipment is automatically switched to a system 2 control mode; if the vehicle-mounted device runs in the system 1 section, the vehicle-mounted device is automatically switched to the system 1 control mode, and the temporary speed limiting server system is simulated by a server.
The station ground equipment subsystem comprises stations with 3 types respectively arranged according to three systems of a train operation control system: station 1 (system 1), station 2 (system 2) and station 3 (system 3), also include interval and single one system 2 relay station between the stations, interval select type to be double-line four display automatic block section, station 1, station 2, relay station, station 3 and interval between station and station form a annular area, can realize the switching of three kinds of system operation modes; the station 1 adopts an industrial personal computer simulation control to set a set of station interlocking system and a station scattered autonomous dispatching centralized control system, the station 2 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system, a train operation control system, a trackside electronic unit, an active transponder and a frequency shifting track circuit system, the station interlocking system adopts real equipment of a double-machine hot standby full-electronic computer interlocking system, the trackside electronic unit, the active transponder and the frequency shifting track circuit system are realized by adopting real equipment, and other systems are realized by adopting industrial personal computer simulation; the station 3 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system and a train operation control system, the station interlocking system of the station is simulated by an industrial personal computer to realize a double-machine hot standby function, the station autonomous machine and the train operation control system are respectively simulated by an industrial personal computer, and the relay station is provided with a set of train operation control system which is simulated by the industrial personal computer; the station scattered autonomous dispatching centralized control system comprises a vehicle service terminal and a shunting operator workstation, wherein the vehicle service terminal and the shunting operator workstation are controlled by an industrial personal computer in a software simulation mode, the electric service maintenance machine is simulated by the industrial personal computer, each workstation of the vehicle service terminal is connected with two displays, and station information and report information are respectively displayed.
The field data simulation equipment subsystems are all controlled by an industrial personal computer in a simulation mode, the station 1 outdoor field equipment is controlled by an industrial personal computer in a simulation mode, the station 2 system control outdoor field equipment comprises a four-wire system direct current electric switch machine, a station entering signal machine, a station exiting signal machine, a shunting signal machine, two four-wire system direct current electric switch machine simulation boxes and three alternating current switch machine simulation boxes, the station 3 outdoor field equipment is controlled by a single industrial personal computer in a simulation mode, the interval equipment is controlled by an industrial personal computer in a simulation mode, and the transponder and the interval frequency shifting track circuit are simulated.
The system comprises a system 1/2 vehicle-mounted train automatic protection system and a system 2/3 vehicle-mounted train automatic protection system, wherein the system 1/2 vehicle-mounted train automatic protection system consists of a set of transponder transmission unit antenna with transponder transmission unit modules and an analog industrial personal computer, functions of a train operation monitoring and recording device, a passenger dedicated line and a general line vehicle-mounted device in the system 2 are simulated, the system 2/3 vehicle-mounted train automatic protection system is simulated by the industrial personal computer to realize functions of the train automatic protection system of a high-speed railway line and the passenger dedicated line, and the train operation simulation device of the system 2/3 vehicle-mounted train automatic protection system is used for realizing functions of train tracking operation in the sections of the system 2 and the system 3.
The temporary speed limiting server simulation system of the railway signal comprehensive system experimental platform is realized according to the following principle: the temporary speed limit server simulation system is responsible for receiving and issuing a temporary speed limit command. The running dispatching desk of the railway dispatching centralized control system in the central equipment issues a temporary speed limiting application, a temporary speed limiting server identifies the validity of a speed limiting command and issues a temporary speed limiting command (the temporary speed limiting command is transmitted to a station covered by a related speed limiting section through a train control safety data network). The temporary speed limiting server operation terminal issues a temporary speed limiting command, the authority of a dispatching desk worker must be obtained, and the party can have the authority of issuing the speed limiting command at the temporary speed limiting server operation terminal. Implementation form of temporary speed limit command in system 3/2 and system 1 section cross-section issuing: when the speed limit command contained in the temporary speed limit command contains a system 3/2 section and a system 1 section, a mode of segmented issuing is adopted to realize the transmission and realization of the temporary speed limit command. And in the system 3/2 section and the station, the temporary speed limiting command is issued through an interface with a train operation control system. The temporary speed limit command is issued by the station autonomous machine at the station 1 and the section, and the corresponding speed limit section and speed limit command are displayed on the central equipment driving dispatching command platform (the speed limit section is represented by yellow light band on the dispatching central control system driving command platform). The temporary speed limit command is different in mode of sectionally realizing the system 1 line and the system 2 line, the vehicle-mounted simulation equipment comprises a train operation monitoring and recording device part, and the train operation monitoring and recording device is used for realizing the temporary speed limit command in the system 1 section. Meanwhile, when the system 2 line is in a system 1 line mode operation due to faults or needs to be degraded, the system 2 line must also comprise a vehicle-mounted simulation train operation monitoring and recording device, otherwise, a simple system 2 vehicle-mounted train automatic protection system cannot operate in a system 1 section. The train operation monitoring and recording device is a backup system of the system 2 vehicle-mounted train automatic protection system so as to meet the requirement of degrading operation on a system 1 line. When the speed limit section given by the temporary speed limit command includes the station 2, at this time, the temporary speed limit command should be able to be embodied on the station interlock (signal degradation display).
The interface implementation principle of the train operation control system and other related equipment of the railway signal comprehensive system experiment platform is as follows: interface of station train operation control system and temporary speed limiting server: and receiving the temporary speed limit command, and realizing the issuing and the realization of the temporary speed limit command. Interface with station interlock: the station train operation control system needs to transmit the occupation and clearance information of the approaching section and the leaving section of the outbound signal machine to the interlocking system, and the station interlocking system needs to acquire the shunt state and the adjustment state information of the leaving section so as to realize the lighting control of the outbound signal machine. And meanwhile, the shunt state and the adjustment state information of the approaching section are collected so as to realize the interlocking functions of the vehicle stations such as approaching locking and the like. Interface with station autonomous machine: the station train operation control system transmits the shunt state and adjustment state information of the section track circuit to the station autonomous machine, section signal lighting information, section operation direction information (departure direction and receiving direction, changing direction information). Interface with trackside electronics unit: the station train operation control system is connected with the trackside electronic unit, monitors the working state of the trackside electronic unit, checks the communication state with the trackside electronic unit, and sends information such as self working state information, failure or the like to the train operation control system. Interface information interaction: the trackside electronic unit is required to write in fixed information packets according to design requirements, and simultaneously receives dynamic information packets compiled by a train operation control system of a station, stores and forwards the dynamic information packets to the active transponder. Interface with section simulator (section frequency shift track circuit): the station train operation control system needs to send the frequency shift information coding command of the track section of the corresponding section to the section simulator according to the running mode of the mode 2 train operation control system, and send the section signaler lighting command. The station train operation control system needs to check the communication state with the section simulator and display the communication state, and the section simulator needs to send the working state information of the station train operation control system to the train control center.
The railway signal comprehensive system experiment platform has the following implementation principle that the interface function of the trackside electronic unit is realized: the trackside electronic unit is connected with the active transponder to check the communication state with the transponder and forward dynamic message information of the train operation control system to the active transponder. The trackside electronic unit itself fires a fixed message according to the line information, and the active transponder fires a fixed message according to the line information. When the transmission channels of the active transponder and the trackside electronic unit fail, the relevant dynamic messages should not be acceptable, and at the same time, some specific fixed messages are empty packet headers.
The experimental platform of the railway signal comprehensive system comprises the working principle of a simulation system of an automatic train protection system: the system 3 vehicle-mounted simulation system comprises a system 3 vehicle-mounted train automatic protection system and a system 2 vehicle-mounted train automatic protection system, so that the condition that the system 2 and system 3 interval simulator information is received is met, and the train is simulated to run in a system 2 section and a system 3 section is met. The system 2 vehicle-mounted train automatic protection system is a backup system of the system 3 train control train automatic protection system, and once the system 3 system cannot work due to faults, the system can be switched to the system 2 mode for work, so that the requirements of mode switching and degradation operation are met. The interface between the simulation system of the vehicle-mounted train automatic protection system and the interval simulator: the simulation system of the automatic train protection system is provided with a simulated track circuit information decoding communication unit so as to realize communication with the section simulator and receive track circuit frequency shift coding information sent by the section simulator. Communication interface with active transponder: the vehicle-mounted train automatic protection system simulation system comprises a transponder information receiving simulation unit for decoding received transponder message information and transmitting the transponder message information to the vehicle-mounted train automatic protection system simulation system, and the vehicle-mounted train automatic protection system simulation system determines the position of a transponder to be arrived according to a transponder link information packet, sends a transponder windowing activation instruction, and sends the instruction to a transponder transmission unit antenna by the transponder information receiving unit to activate the transponder to receive the transponder message. And the vehicle-mounted simulation system reads the interface of the preprogrammed line static parameters. The realization principle of the simulation function of the interval equipment simulation and the interval transponder simulation is as follows: the interval simulation simulator comprises a track circuit simulation and an active/passive transponder simulation. The track circuit simulation part simulates a frequency shift track circuit, simulates the occupation and branching states of the train during interval running, simulates the tracking state of the train during interval blocking partition running, and simultaneously displays the code sending information (the carrier frequency and low frequency code sending information of the corresponding section) and the lighting state of the corresponding blocking partition. The transponder simulation part simulates the working state of the transponder, the active transponder can display dynamic message information stored and sent to the train transponder information receiving unit, and the passive transponder can display the stored fixed message information. Other analog functions of the interval device: simulating a system 1 section and a system 2 section switching transponder data set; a track circuit and a annunciator simulating an auto-occlusion zone; simulation of the changing function of station 2: the station 2 receives the direction changing control command sent by the interlocking system by the station train operation control system, calculates and controls the track circuit simulator to change the direction so as to meet the requirement of interval reverse driving. In the system 1 section station, the interlocking control track circuit simulator changes the direction. The general scheme for realizing the function of the prescription is as follows: the scheme design line and the station are a station 2, a relay station and a station 1, wherein the station 2 comprises three vehicle receiving ports, two vehicle receiving ports connected with the line of the system 2 and one vehicle receiving port connected with the line of the system 1. When the system is connected with the system 2 line, the train operation control system controls the track circuit simulator to realize the direction changing function, and when the system is connected with the system 1 line, the interlocking system controls the track circuit simulator to realize the direction changing function.
The experimental platform for the railway signal comprehensive system has the following implementation principles of section equipment simulation, section transponder simulation and related system interfaces: interface with station train operation control system: the section simulator receives a code sending command of the station train operation control system, and the section signal machine lights the command to realize a tracking operation mode of section blocking and zoning simulated driving. The section simulator receives a direction changing command of the station train operation control system so as to realize section reverse direction operation and code sequence change. And sending the interval occupation and idle information to a station train operation control system, logically judging by the train operation control system, and receiving a train control command corresponding to the train operation control system. Interface with analog active and passive transponders: and receiving data of an active transponder of the train operation control system, and simulating data communication among the active transponder, the passive transponder and the vehicle-mounted train automatic protection simulation system.
The simulation working principle of the dispatching centralized control system in the central equipment subsystem of the railway signal comprehensive system experimental platform is as follows: the simulation part is used for issuing and displaying a temporary speed limiting command: when a temporary speed limit command is issued to the corresponding section, a yellow light band is displayed in the section; the system 1 section can be issued with a speed limiting command, the cross-section is issued with a speed limiting command (the speed limiting section comprises a system 2 line section, a system 1 line section and a system 2 station), and meanwhile, the system 2 section, the station 2, the system 1 section and the running state of the station 1, the section and the in-station track circuit adjusting and branching state, the section and the in-station signal lighting state which are managed by the centralized control system are displayed in real time. The dispatching centralized control system in the central equipment subsystem simulates the interface with other systems: interface with station 2, station 3 train operation control system: the real-time section track section branching and adjusting state sent by the train operation control system of the train receiving station, and section signal machine lighting information; and displaying the branching and adjusting states and the locking states of the railway section of the station in real time, and displaying the lighting information of various annunciators of the station in real time. Interface with the system 1 interval simulator: the real-time system 1 section simulator sends section track section branching and adjusting state information and displays the lighting state of the section signal machine; and displaying the branching and adjusting states and the locking states of the station track circuit in real time, and displaying the lighting information of various annunciators of the station in real time. Communication interface between the dispatch centralized control system and the related system in the central equipment subsystem: interface to interlock system: the interface between the station 1, 2 and 3 interlocking systems is a 422 serial interface for two-way communication, and station information sent by interlocking is received and displayed in real time: the branching and idle states of the track circuit, the lighting state of the signal machine and the real-time position information of the turnout. And can send control command to the interlocking in real time to control the station interlocking to handle the train route and the shunting route and handle the change operation.
The working principle of the distributed autonomous dispatching centralized control system in the station equipment of the railway signal comprehensive system experimental platform is as follows: the system is responsible for receiving and displaying a scheduling command issued by a scheduling centralized control system in a central equipment subsystem, and realizing the function of arranging train routes according to an operation diagram through a communication interface with an interlocking system according to a route command generated by a central equipment line dispatching platform according to the operation diagram; the train arrives at the mining point and the point reporting function is realized through interfaces with the interlocking system and the train operation control system. And receiving track section information, route information and lighting information of a signal machine from a train operation control system and an interlocking system, uploading the information to central equipment in real time, and displaying the operation state of a line on a running scheduling command console of the central equipment. Receiving a temporary speed limit command from the central equipment and displaying a corresponding speed limit section; the train number information of the train is displayed in real time, the train number can be added and deleted on the dispatching centralized control system terminal, and the train number of the train can be changed.
The railway signal comprehensive system experiment platform has the working principle of a station 1 interlocking simulation system: the station 1 interlocking machine of the simulation system adopts a double-machine hot standby mode, is designed in a double-line double-direction mode, has the functions of reverse vehicle connection, interval change and interval reverse operation, adopts a passenger-cargo mixed mode, and needs to be provided with a forkless section in a throat area to meet the corresponding operation of shunting. Interface of station 1 interlocking simulation system and corresponding system: interface with station dispatch centralized control system autonomous machine: transmitting branching, adjusting and locking state information of track sections in a station and lighting information of various annunciators in the station to a dispatching centralized control system simulation simulator in real time, and branching and idle information of three approaching sections and three leaving sections; and receiving a route command from the station dispatching centralized control system autonomous machine, identifying the effectiveness of the command, and realizing the control of the dispatching centralized control system autonomous machine on the station route. Interface with section simulator: and receiving the shunt and adjustment state information of the track circuits of the leaving section and the approaching section transmitted by the section simulator, and issuing a direction changing command to the section simulator so that the section simulator has the functions of changing the direction of a vehicle receiving port, entering the station in the opposite direction and running in the opposite direction of the section. Working principle of the station 2 and 3 interlocking simulation system is as follows: the system adopts a double-machine hot standby mode to simulate a passenger special line with the running speed of 180-250 km/h and a high-speed railway line with the running speed of 250-380 km/h. The system 2 and system 1 train operation control system and the station interlocking system in-station annunciator normally adopt a lighting design, and red lights are normally lighted. The station 2 comprises three train receiving ports which are all of a double-line bidirectional design and comprise a reverse train receiving function, wherein two train receiving ports are connected with a system 2 interval, and one train receiving port is connected with a system 1 interval, so that the station adopts a system 2 passenger-cargo mixed mode station interlocking design scheme. The station entering signal machine adopts a high-column signal machine, the lateral line station exiting signal machine adopts a short type design, the stock way with a positive line connected with a standard 2 line adopts the high-column signal machine, and a bifurcation-free section is arranged in a throat area so as to meet the requirements of locomotive waiting closing, picking and hanging and shaft increasing and decreasing operations; the incoming signal machine is set to light the yellow flashing signal lamp position, so that the station has the function of enabling the train to pass through the switch side line of 18# and above. The station 3 interlocking system adopts the design of a normal state of turning off the lamp, namely, the station is not lighted at ordinary times, and the annunciator is in the state of turning off the lamp. Meanwhile, in the station 3 interlocking system, an inbound signal machine lights up a Huang Shanhuang signal to indicate that the train is in lateral line stop, and the difference is that the train is in lateral line passing of the system 2. The outbound annunciator should be provided with a red-moon lamp guide signal to guide departure when equipment fails. Interfaces of the station 2 and 3 interlocking simulation system and other systems: interface with station train operation control system: the station interlocking machine receives section occupation information of three approaching sections and three leaving sections transmitted by the train operation control system so as to finish judgment of approaching locking and the lighting logic of the outbound annunciator. The train operation control system receives the direction changing command from the station interlocking and the interval operation direction information to control the track circuit simulator to realize the direction changing function, thereby meeting the requirements of reverse direction receiving and sending and interval reverse driving. Interface with station decentralized autonomous dispatch centralized control system: the station interlocking machine needs to transmit the branching of the track section in the station, the adjustment state information, the entrance locking state information and the lighting state information of the signal machine in the station and the track occupation information of the three leaving sections and the three approaching sections to the station dispatching centralized control system autonomous machine in real time so as to realize the supervision of the whole line operation by the dispatching centralized control system, realize the point reporting function of the vehicle terminal of the dispatching centralized control system, receive the entrance command from the dispatching centralized control system autonomous machine, identify the validity of the entrance command, arrange the entrance through interlocking and realize the control of the station entrance by the dispatching centralized control system autonomous machine. Interfacing with a temporary speed limit server: when the temporary speed limit command is issued across stations 1, 2 and 3, namely the temporary speed limit command is issued across the sections, the function of signal degradation can be embodied in the data interaction of station interlocking and station train control: namely, the speed permission information messages sent by the transponder groups at the out-going station and the in-going station are limited by the speed of the train. Interface with section simulator: the station has three car receiving ports, one of them is connected with the interval of the system 1, in this case, the interface with interval simulator interacts data, realize the function of changing the direction of the car receiving port connected with the line of the system 1.
The railway signal comprehensive system experiment platform has the working principle of a station 1 simulator: the station 1 simulator adopts software to simulate the branching and adjusting state of an outdoor track circuit of the station, the working state of a switch machine and the lighting state of a signal machine; and receiving an operation instruction of the interlocking lower computer in real time, performing real-time simulation by the outdoor track signal device, and feeding back the working state information of the equipment to the interlocking lower computer in real time. The interface with the vehicle-mounted equipment is mainly a system 2 vehicle-mounted backup mode train operation monitoring and recording device, and a vehicle-mounted signal (section) is displayed by generating a driving speed supervision curve according to a track circuit frequency shift code through a track circuit information decoding unit; and generating a speed supervision curve in the station according to the lighting state of the signal machine of the station simulator, and displaying the vehicle-mounted signal.
The railway signal comprehensive system experiment platform has the working principle of a station 2 simulator: the system adopts a mode of combining a physical object with software simulation, the station 2 comprises a part of switch machines and execution units, the rest part is simulated by software, an operation instruction sent by an interlocking lower computer is received, and the running state of the outdoor equipment is simulated; the software simulation part comprises an outdoor track circuit branching and adjusting state, a frequency shift track circuit code transmitting state, a switch machine, signal machine equipment, a station 2 entrance transponder group and a departure transponder group; the system comprises a passenger-cargo mixed mode, so that a section simulation ZPW-2000 type frequency shift track circuit is adopted, and a station simulation 25HZ superposition ZPW-2000 type frequency shift track circuit is adopted to send codes. Interfaces to other systems: interface with station interlock: receiving a control command sent by the station interlocking lower computer in real time, simulating the running conditions of the track circuit, the switch machine and the annunciator in real time, feeding back the running state of the outdoor equipment to the interlocking lower computer in real time, receiving the control command of the station interlocking lower computer in real time, and simulating the code sending state of the in-station moving track circuit. Interface with station train operation control system: the station 2 simulator needs to simulate a train receiving port and a train sending transponder group, and the station train operation control system receives the interlocking route operation command in real time, generates a dynamic message, sends the dynamic message to the simulated transponder through the trackside electronic unit, and displays corresponding message information on the simulated transponder. Interface with the in-vehicle device: the vehicle-mounted simulation track circuit information decoding unit receives track circuit coding information of the station simulator and message information sent by the simulation transponder, receives driving permission and generates an operation speed permission curve.
The railway signal comprehensive system experiment platform has the working principle of a station 3 simulator: the station 3 simulator simulates standard 3 high-speed railway stations and interval equipment mainly through software; the station internal signal machine, the track circuit and the working state of the turnout feed back state information to the station interlocking simulation machine and receive an operation command from the interlocking simulation machine so as to realize interlocking functions such as signal lighting, turnout conversion, route arrangement and the like; the interval equipment, such as a track circuit, and a transponder (active/passive) feeds back the branching and adjusting state of the track circuit to a train running control system, receives a control command from the train running control system, sends a frequency shift coding signal and lights up the command. Simulation of transponders, simulation of fixed line parameter messages for passive transponders, and simulation of active transponders. Interfaces to other systems: interface to interlock system: receiving a control command sent by the station interlocking simulation equipment in real time, simulating the running conditions of a track circuit, a switch machine and a signal machine in real time, feeding back the running conditions of the outdoor equipment to the interlocking simulation machine in real time, receiving the control command of the station interlocking simulation machine in real time, and simulating the code sending state of the track circuit in the station. Interface with the train operation control system of the station: the station 3 simulator needs to simulate a train receiving port and a train sending transponder group, and the station train operation control system receives the interlocking route operation command in real time, generates a dynamic message, sends the dynamic message to the simulated transponder through the trackside electronic unit, and displays corresponding message information on the simulated transponder. Interface with the in-vehicle device: the vehicle-mounted simulation track circuit information decoding unit receives track circuit coding information of the station simulator and message information sent by the simulation transponder and receives driving permission; when the system 3 vehicle-mounted train automatic protection system equipment fails due to reasons, the system is converted into a system 2 vehicle-mounted train automatic protection system mode (a degraded operation mode) to generate an operation speed permission train automatic protection system curve.
The experimental platform of the railway signal comprehensive system has the working principle that a wireless block center and a railway comprehensive digital mobile communication simulation system work: the wireless block center and the railway integrated digital mobile communication system are core equipment of a system 3 high-speed railway line, the wireless block center provides mobile authorization for system 3 vehicle-mounted equipment, and the vehicle-mounted equipment calculates a speed train automatic protection system curve. And transmitted to the vehicle-mounted equipment through the railway integrated digital mobile communication simulation system. The railway integrated digital mobile communication simulation system is replaced by a WiFi wireless local area network based on 802.11 and a corresponding train-ground communication module in a simulation mode. Interface between wireless block center and station interlocking machine: the interlocking system and the wireless block center exchange information of an interlocking route and a block partition, and the route type; the wireless block center sends train state information to the interlocking; and (5) interaction of the receiving and transmitting vehicle approach information. Interface with train operation control system: the train operation control system transmits the shunt and idle information of the section track circuit to the wireless block center. Interface with dispatch centralized control system line dispatching desk: and the temporary speed limiting information is issued to the wireless block center by a line dispatching desk or a temporary speed limiting server terminal.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The railway signal comprehensive system experiment platform is characterized by comprising a center equipment subsystem, a station ground equipment subsystem, a field data simulation equipment subsystem and a vehicle-mounted equipment subsystem; the central equipment subsystem and related equipment thereof adopt a single local area network to realize data interaction communication, and the station ground equipment subsystem, the field data simulation equipment subsystem and the vehicle-mounted equipment subsystem adopt a set of local area network to realize data interaction communication among the subsystems; the central equipment subsystem comprises a railway dispatching centralized control system, wireless blocking central equipment, a train-ground wireless communication module and a temporary speed limiting server, wherein the railway dispatching centralized control system comprises a data/application/communication/server, a train dispatching workstation, a comprehensive dispatching workstation, a system maintenance workstation, a system training workstation and an on-duty master workstation which are connected with related functions of the dispatching centralized control system by adopting simulation software, the railway dispatching centralized control system and the station distributed autonomous dispatching centralized control system in the station ground equipment subsystem form an integral dispatching centralized control system of the whole scheme, the integral dispatching centralized control system has the functions of train operation plan adjustment and station layer distributed autonomous, the station distributed autonomous dispatching centralized control system is responsible for receiving and displaying dispatching commands issued by the central dispatching centralized control system, and realizes the functions of arranging the routes according to the operation diagram through a communication interface which is interlocked with the dispatching centralized control system command station, and displaying the running state of a line from the central dispatching centralized control system and displaying a corresponding speed limiting section; displaying train number information of the train in real time; the system comprises two wireless block center devices, a wireless block center device and a train-ground wireless communication module, wherein the two wireless block center devices and the train-ground wireless communication module are jointly controlled in a simulation mode by an industrial personal computer, the wireless block center device is combined with a railway integrated digital mobile communication system, the wireless block center device provides mobile authorization for the vehicle-mounted device in the station system 3, the vehicle-mounted device in the station system 3 calculates a speed train overspeed protection system curve and transmits the overspeed protection system curve to the vehicle-mounted device through a simulation system of the railway integrated digital mobile communication system, the railway integrated digital mobile communication system is replaced by a WiFi wireless local area network based on 802.11 and a corresponding train-ground communication module in a simulation mode, the other wireless block center device is used for simulating a station system 3 line handover function, particularly automatically switching to a corresponding control mode according to the condition of a line, the train runs in a section in the system 3, and the vehicle-mounted device is automatically switched to the system 3 control mode; the vehicle-mounted equipment operates in a system 2 section and is automatically switched to a system 2 control mode; and the vehicle-mounted equipment is automatically switched to a system 1 control mode when running in a system 1 section, and the temporary speed limiting server system is simulated by a server.
2. The railway signal synthesis system experiment platform as claimed in claim 1, wherein: the station ground equipment subsystem comprises stations with 3 types respectively arranged according to three systems of a train operation control system: the system 1 corresponds to the system 1, the system 2 corresponds to the system 2 and the system 3 corresponds to the system 3, and the system further comprises a section between stations and a single system 2 relay station, wherein the section is selected as a double-line four-display automatic blocking section, and the system 1, the system 2, the relay station, the system 3 and the section between stations form an annular area, so that switching of three system operation modes can be realized; the station 1 adopts an industrial personal computer to simulate and control a set of station interlocking system and a station scattered autonomous dispatching centralized control system, and the station 2 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system, a train operation control system, a trackside electronic unit, an active transponder and a frequency shift track circuit system; the station 3 is provided with a set of station interlocking system, a station scattered autonomous dispatching centralized control system and a train running control system, and the station interlocking system of the station realizes the double-machine hot standby function by being simulated by an industrial personal computer; the station scattered autonomous dispatching centralized control system comprises a vehicle service terminal and a shunting operator workstation, wherein the vehicle service terminal and the shunting operator workstation are controlled by an industrial personal computer in a software simulation mode, the electric service maintenance machine is simulated by the industrial personal computer, each workstation of the vehicle service terminal is connected with two displays, and station information and report information are respectively displayed.
3. The railway signal synthesis system experiment platform as claimed in claim 1, wherein: the field data simulation equipment subsystems are all controlled by an industrial personal computer in a simulation mode, the station 1 outdoor field equipment is controlled by an industrial personal computer in a simulation mode, the station 2 system control outdoor field equipment comprises a four-wire system direct current electric switch machine, a station entering signal machine, a station exiting signal machine, a shunting signal machine, two four-wire system direct current electric switch machine simulation boxes and three alternating current switch machine simulation boxes, the station 3 outdoor field equipment is controlled by a single industrial personal computer in a simulation mode, the interval equipment is controlled by an industrial personal computer in a simulation mode, and the transponder and the interval frequency shifting track circuit are simulated.
4. The railway signal synthesis system experiment platform as claimed in claim 1, wherein: the system comprises a system 1/2 vehicle-mounted train automatic protection system and a system 2/3 vehicle-mounted train automatic protection system, wherein the system 1/2 vehicle-mounted train automatic protection system consists of a set of transponder transmission unit antenna with transponder transmission unit modules and an analog industrial personal computer, functions of a train operation monitoring and recording device, a passenger dedicated line and a general line vehicle-mounted device in the system 2 are simulated, the system 2/3 vehicle-mounted train automatic protection system is simulated by the industrial personal computer to realize functions of the train automatic protection system of a high-speed railway line and the passenger dedicated line, and the train operation simulation device of the system 2/3 vehicle-mounted train automatic protection system is used for realizing functions of train tracking operation in the sections of the system 2 and the system 3.
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| CN108182841B (en) * | 2017-12-04 | 2020-01-10 | 中国铁道科学研究院集团有限公司通信信号研究所 | Comprehensive automatic simulation training system for railway marshalling station |
| CN108470489A (en) * | 2018-05-15 | 2018-08-31 | 江苏中岚智能科技有限公司 | A kind of railway train arrangement operation stimulating and training system and its application method |
| CN109523859B (en) * | 2018-12-19 | 2021-08-27 | 南京南瑞继保电气有限公司 | Track traffic comprehensive monitoring hybrid training simulation system and method |
| CN109917774B (en) * | 2019-02-01 | 2020-03-17 | 中铁检验认证中心有限公司 | Railway signal centralized monitoring system test platform |
| CN112798897B (en) * | 2021-03-18 | 2021-07-06 | 北京中铁建电气化设计研究院有限公司 | Railway signal system simulation test device and simulation test method |
| CN113721477A (en) * | 2021-07-30 | 2021-11-30 | 中国铁道科学研究院集团有限公司通信信号研究所 | Railway signal dispatching centralized control and acquisition asynchronous simulation method |
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