CN108683634B - Interface system and control device between CTC and RBC - Google Patents

Interface system and control device between CTC and RBC Download PDF

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Publication number
CN108683634B
CN108683634B CN201810317211.6A CN201810317211A CN108683634B CN 108683634 B CN108683634 B CN 108683634B CN 201810317211 A CN201810317211 A CN 201810317211A CN 108683634 B CN108683634 B CN 108683634B
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rbc
ctc
data
interface
communication
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CN108683634A (en
Inventor
刘克难
魏峰
王丽军
陈建鑫
刘珺
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CRSC Research and Design Institute Group Co Ltd
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CRSC Research and Design Institute Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or vehicle train, e.g. braking curve calculation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

The invention discloses an interface system between CTC and RBC, comprising 2 RBC interface servers, 2 switches, 2 isolation devices and a communication cable. The RBC interface server performs protocol conversion on the received CTC data to enable the CTC data to meet an RBC-CTC interface protocol; then the data is transmitted to RBC through the exchanger and the isolation device; meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC. The invention realizes the interface connection between the CTC and the RBC, so that the CTC can acquire information such as train information, diagnosis information, connection alarm and the like from the RBC and can send information such as time check and the like to the RBC. The information is helpful for the dispatching commander to master the train state in real time so as to complete the dispatching and commanding work of the train effectively in time.

Description

Interface system and control device between CTC and RBC
Technical Field
The invention belongs to the field of train scheduling and operation control, and particularly relates to an interface system between a CTC (central control unit) and an RBC (radio backup control unit).
Background
A Central Traffic Control (CTC) system is a technical device for performing command and management on trains and shunting operations in a jurisdiction area, and implementing centralized Control of railway signals through signal devices such as interlocking, train Control, section blocking and the like. A Radio Block Center (RBC) System is a core device of a CTCS-3 level (Chinese train operation control System); train information can be obtained through train CTCS identification codes, and trains in an area are tracked through train occupation information provided by a track circuit; the operation permission of each train in jurisdiction is generated based on information provided by a system such as microcomputer interlock and track circuit.
The train dispatcher needs to master the relevant information provided by the RBC, such as the vehicle-mounted working mode, the speed, the movement authorization and the like, so as to realize the dispatching command of the train, which is the basic information for realizing the dispatching command of the train. The CTC system is used as a main working interface for train dispatching by a dispatching commander, and the information needs to be acquired from the RBC to be displayed for the dispatcher.
With the continuous use of the RBC system, it is urgently needed to solve the problem that there is no interface function between CTCs and RBCs.
Disclosure of Invention
The purpose of the invention is: in order to solve the problem that the CTC and the RBC have no interface function, the invention provides an interface system between the CTC and the RBC; through the system, the communication connection and data interaction between the CTC and the RBC are realized, so that the processing and display of the CTC on the RBC information are realized, and a dispatcher can complete the dispatching work timely and effectively.
The technical scheme of the invention is as follows:
an interface system between a CTC and an RBC is characterized by comprising 2 RBC interface servers, 2 switches, 2 isolation devices and a communication cable:
the RBC interface server is used for realizing the conversion between a CTC and an RBC data protocol, enabling the communication data received from the CTC to meet the RBC-CTC interface protocol, and enabling the communication data received from the RBC to meet the format required by the CTC, and is deployed between the CTC and the switch;
the switch is used for forming a communication network between the CTC and the RBC and is deployed between the RBC interface server and the isolation equipment;
the isolation equipment is used for network isolation, protecting networks of the CTC and the RBC from mutual influence and is arranged between the switch and the RBC;
the communication cable is used for realizing the connection between the interface system and CTC, RBC and the connection between the interface system and the internal equipment of the interface system, and completing data transmission;
the RBC interface server performs protocol conversion on the received CTC data to enable the CTC data to meet an RBC-CTC interface protocol; then the data is transmitted to RBC through the exchanger and the isolation device; meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC.
Furthermore, the RBC interface server, the switch, the isolation device and the RBC are connected in a cross mode through communication cables, and therefore reliability of an interface system is improved.
Furthermore, the communication cable is a network cable, and a hardware interface of the network cable is RJ-45.
The method for realizing data communication between the CTC and the RBC by using the interface system between the CTC and the RBC comprises the following steps:
step 1: RBC is set as a client, CTC is set as a server, and network connection is established through a TCP/IP protocol;
step 2: controlling data between the CTC and the RBC to perform periodic interaction;
and step 3: the RBC interface server carries out protocol conversion on the received CTC data to enable the CTC data to meet the RBC-CTC interface protocol; then transmitting the data to RBC through exchanger and isolation device;
and 4, step 4: meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC.
Further, the data communication method further comprises:
a communication interrupt processing step: if the data information is not received between the RBC and the CTC after the specified time is exceeded, the communication interruption between the RBC and the CTC is judged and the communication interruption process is carried out;
reinitiating the connection step: and if the communication is interrupted, the RBC is responsible for re-initiating the connection with the CTC.
An interface control device between a CTC and an RBC, implementing the data communication method, the interface control device comprising:
the CTC server device is used for setting CTC as a server, intercepting a connection request of a client and transmitting CTC data to the client after connection is established;
the RBC client device is used for setting the RBC as a client, sending a connection request to the server and sending RBC data to the server after connection is established;
and the RBC interface service device is used for realizing the conversion between the CTC and the RBC data protocol, so that the communication data received from the CTC meets the RBC-CTC interface protocol, and the communication data received from the RBC meets the format required by the CTC.
Further, the interface device further comprises:
the communication interrupt processing device is used for judging the communication interrupt between the RBC and the CTC and carrying out communication interrupt processing after the data information is still not received after the specified time is exceeded between the RBC and the CTC;
and the reinitiation connecting device is used for controlling the RBC to reinitiate the connection with the CTC after the communication is interrupted.
Compared with the prior art, the invention has the beneficial effects that:
the technical scheme provided by the invention solves the problem that a communication interface is lacked between the CTC and the RBC, realizes the interface connection between the CTC and the RBC, enables the CTC to acquire information such as train information, diagnosis information, connection alarm and the like from the RBC, and can send information such as time check and the like to the RBC. The information is helpful for the dispatching commander to master the train state in real time so as to complete the dispatching and commanding work of the train effectively in time.
Drawings
FIG. 1 is a schematic diagram of an interface system between a CTC and RBC;
FIG. 2 is a flow chart of a method of data communication between a CTC and RBC;
fig. 3 is a block diagram of an interface control device between CTC and RBC.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and the specific embodiments of the present invention. It is to be understood that the described embodiments are only a few, not all embodiments of the present invention, and the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the interface system between CTC and RBC according to the present invention includes 2 RBC interface servers, 2 switches, 2 isolation devices, and a communication cable.
The RBC interface server is used for realizing the conversion between the CTC and the RBC data protocol, enabling the communication data received from the CTC to meet the RBC-CTC interface protocol, and enabling the communication data received from the RBC to meet the format required by the CTC, and is deployed between the CTC and the switch.
The switch is used for forming a communication network between the CTC and the RBC and is deployed between the RBC interface server and the isolation equipment.
The isolation device is used for network isolation, protecting networks of the CTC and the RBC from mutual influence, and is deployed between the switch and the RBC.
The communication cable is used for realizing the connection between the interface system and CTC, RBC and the connection between the interface system and the internal equipment of the interface system, and completing data transmission. Preferably, the RBC interface server, the switch, the isolation device, and the RBC are cross-connected by a communication cable, so as to improve reliability of the interface system. In this embodiment, the communication cable is a network cable, and a hardware interface of the network cable is RJ-45.
As shown in fig. 2, the method for implementing data communication between the CTC and the RBC by using the interface system between the CTC and the RBC is as follows:
step 1: RBC is set as a client, CTC is set as a server, and network connection is established through a TCP/IP protocol.
Here, a Socket (Socket) using TCP/IP may be selected for communication. The CTC side binds a socket to a specific port and waits and listens for connection requests of RBCs through the socket.
And the RBC sends a connection request according to the host address and the port number where the CTC is located.
If everything is in order, the CTC accepts the connection request and obtains a new socket for information transfer.
Step 2: and controlling the data between the CTC and the RBC to perform periodic interaction.
The CTC and RBC communicate through read-write sockets.
And step 3: the RBC interface server carries out protocol conversion on the received CTC data to enable the CTC data to meet the RBC-CTC interface protocol; the data is then transmitted through the switch and the isolation device to the RBC.
At this time, the RBC receives information such as time check sent by the CTC and calibrates its own clock.
And 4, step 4: meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC.
At this time, the CTC receives the train information, the diagnosis information, the connection alarm and other messages sent by the RBC. The train information comprises information such as train number, train length, vehicle-mounted equipment working mode, train speed, train position and movement authorization terminal position of the train.
Preferably, the data communication method further includes:
a communication interrupt processing step: if the data information is not received between the RBC and the CTC after the specified time is exceeded, the communication interruption between the RBC and the CTC is judged and the communication interruption process is carried out;
reinitiating the connection step: and if the communication is interrupted, the RBC is responsible for re-initiating the connection with the CTC. The re-establishment of the connection is achieved through a Socket (Socket) of TCP/IP.
The reliability of data communication can be improved by the communication interrupt processing step and the connection reinitiation step.
As shown in fig. 3, an interface control device between a CTC and an RBC, which implements the data communication method, includes:
the CTC server device is used for setting CTC as a server, intercepting a connection request of a client and transmitting CTC data to the client after connection is established;
the RBC client device is used for setting the RBC as a client, sending a connection request to the server and sending RBC data to the server after connection is established;
and the RBC interface service device is used for realizing the conversion between the CTC and the RBC data protocol, so that the communication data received from the CTC meets the RBC-CTC interface protocol, and the communication data received from the RBC meets the format required by the CTC.
Preferably, the interface control device further comprises:
the communication interrupt processing device is used for judging the communication interrupt between the RBC and the CTC and carrying out communication interrupt processing after the data information is still not received after the specified time is exceeded between the RBC and the CTC;
and the reinitiation connecting device is used for controlling the RBC to reinitiate the connection with the CTC after the communication is interrupted.
The CTC server device and the RBC client device realize communication by adopting TCP/IP sockets (sockets): the CTC terminal sets a socket to be bound to a specific port, and waits and monitors the connection request of the RBC through the socket; the RBC terminal sends a connection request according to the host address and the port number of the CTC; the CTC receives the connection request and obtains a new socket for information transmission; the CTC and RBC communicate through read-write sockets.
In summary, in this embodiment, when the interface system works, the RBC interface server performs protocol conversion on the received CTC data to make the CTC data meet the RBC-CTC interface protocol; then the data is transmitted to RBC through the exchanger and the isolation device; meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC. And data interaction is completed between the CTC and the RBC through periodic communication. Therefore, the interface connection between the CTC and the RBC is realized, so that the CTC can acquire information such as train information, diagnosis information, connection alarm and the like from the RBC, and can send information such as time check and the like to the RBC. The information is helpful for the dispatching commander to master the train state in real time so as to complete the dispatching and commanding work of the train effectively in time.

Claims (5)

1. An interface system between a scheduling central system CTC and a radio block center RBC is characterized by comprising 2 RBC interface servers, 2 switches, 2 isolation devices and a communication cable:
the RBC interface server is used for realizing the conversion between a CTC and an RBC data protocol, enabling the communication data received from the CTC to meet the RBC-CTC interface protocol, and enabling the communication data received from the RBC to meet the format required by the CTC, and is deployed between the CTC and the switch;
the switch is used for forming a communication network between the CTC and the RBC and is deployed between the RBC interface server and the isolation equipment;
the isolation equipment is used for network isolation, protecting networks of the CTC and the RBC from mutual influence and is arranged between the switch and the RBC;
the communication cable is used for realizing the connection between the interface system and CTC, RBC and the connection between the interface system and the internal equipment of the interface system, and completing data transmission;
the RBC interface server performs protocol conversion on the received CTC data to enable the CTC data to meet an RBC-CTC interface protocol; then the data is transmitted to RBC through the exchanger and the isolation device; meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC;
the RBC interface server, the switch, the isolation equipment and the RBC are connected in a cross way through communication cables, so that the reliability of an interface system is improved; wherein the content of the first and second substances,
the method for realizing data communication between the CTC and the RBC comprises the following steps:
step 1: RBC is set as a client, CTC is set as a server, and network connection is established through a TCP/IP protocol; the CTC terminal binds a socket to a designated port, and waits and monitors a connection request of the RBC through the socket;
step 2: controlling data between the CTC and the RBC to perform periodic interaction;
and step 3: the RBC interface server carries out protocol conversion on the received CTC data to enable the CTC data to meet the RBC-CTC interface protocol; then transmitting the data to RBC through exchanger and isolation device; the RBC receives time check information sent by the CTC and calibrates a clock of the RBC;
and 4, step 4: meanwhile, RBC data is sent to an RBC interface server through the isolation equipment and the switch for protocol conversion, and is sent to the CTC after meeting the format required by the CTC.
2. The interface system of claim 1, wherein the communication cable is a network cable and the hardware interface of the network cable is an RJ-45.
3. The interface system according to claim 1, wherein the data communication method further comprises:
a communication interrupt processing step: if the data information is not received between the RBC and the CTC after the specified time is exceeded, the communication interruption between the RBC and the CTC is judged and the communication interruption process is carried out;
reinitiating the connection step: and if the communication is interrupted, the RBC is responsible for re-initiating the connection with the CTC.
4. An interface control device between a CTC and a RBC based on the interface system of claim 1, wherein the interface control device comprises:
the CTC server device is used for setting CTC as a server, intercepting a connection request of a client and transmitting CTC data to the client after connection is established;
the RBC client device is used for setting the RBC as a client, sending a connection request to the server and sending RBC data to the server after connection is established;
and the RBC interface service device is used for realizing the conversion between the CTC and the RBC data protocol, so that the communication data received from the CTC meets the RBC-CTC interface protocol, and the communication data received from the RBC meets the format required by the CTC.
5. The interface control device according to claim 4, further comprising:
the communication interrupt processing device is used for judging the communication interrupt between the RBC and the CTC and carrying out communication interrupt processing after the data information is still not received after the specified time is exceeded between the RBC and the CTC;
and the reinitiation connecting device is used for controlling the RBC to reinitiate the connection with the CTC after the communication is interrupted.
CN201810317211.6A 2018-04-10 2018-04-10 Interface system and control device between CTC and RBC Active CN108683634B (en)

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EP2216230A1 (en) * 2009-02-04 2010-08-11 Thales Deutschland Holding GmbH Method for releasing a route after cancellation of the route by an interlocking
CN102275598A (en) * 2011-05-16 2011-12-14 北京全路通信信号研究设计院有限公司 Computer interlocking system capable of supporting C3 system and interlocking control method
CN102238231B (en) * 2011-05-16 2013-12-18 铁道部运输局 CTCS (China train contrl system)-3 level radio blocking center device and system
JP2015065498A (en) * 2013-09-24 2015-04-09 東洋電機製造株式会社 Information transmission device for railway vehicle
EP2993106B1 (en) * 2014-09-03 2018-03-07 ALSTOM Transport Technologies ERTMS / ETCS radio block centre; method for establishing a connection with said radio block centre
EP3061666B1 (en) * 2015-02-24 2020-07-22 ALSTOM Transport Technologies Signalling system for a railway network and method for the full supervision of a train realised by such a signalling system

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