CN109808736A - A kind of system for more piece train again through transport battalion - Google Patents
A kind of system for more piece train again through transport battalion Download PDFInfo
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- CN109808736A CN109808736A CN201910121408.7A CN201910121408A CN109808736A CN 109808736 A CN109808736 A CN 109808736A CN 201910121408 A CN201910121408 A CN 201910121408A CN 109808736 A CN109808736 A CN 109808736A
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Abstract
The present invention provides a kind of system for more piece train again through transport battalion, train described in every section includes at least one host, the host includes at least one switching equipment and mouth of networking again, the switching equipment includes multiple common network interfaces, the common network interface connects the communication equipment in the train by ethernet line, and the heavy networking mouth connects the switching equipment by ethernet line；Wherein, the host configures the IP address of the heavy networking mouth according to the train number of the train；The host configures the multicast address of the switching equipment, and the multicast address includes the first multicast address, the second multicast address and third multicast address；Wherein, first multicast address and the third multicast address can be used for the intra-train communication by the heavy networking mouth Bidirectional transparent transmission, second multicast address.The system can satisfy at least 3 section trains and arbitrarily organize into groups the battalion of through transport again, and system equipment maintenance is simpler, and standby redundancy availability is higher.
Description
Technical field
The present invention relates to train information system regions more particularly to a kind of systems for more piece train again through transport battalion.
Background technique
In recent years, the rail traffic in China presents fast-developing situation, and speed has exceeded the height of any country in the world
The peak phase.As the important component of urban public transport, rail traffic meets the basic trip of the people, with the people
Production and living are closely bound up.
Vehicle-mounted passenger information system (PIS) subsystem indispensable as rail traffic vehicles, market demand are more next
It is bigger.Vehicle-mounted passenger information system includes broadcast and information is shown, video display, 3 subsystems such as monitoring, wherein broadcast subsystem
Including broadcasting automatically, OCC broadcast, artificial broadcast, driver's intercommunication, emergency alarm, LED screen is shown, coach number is shown and dynamically
Figure LCD screen display function, video display subsystem include video display playing function, and Monitor And Control Subsystem includes the display of monitoring image and reviews
Function.To meet the needs of different volume of the flow of passengers freight volumes, rail traffic vehicles can ensure that track is handed over by adjusting operation train number
Logical service level, to achieve the purpose that cut operating costs.It, can be or even more by 2 sections or 3 section trains when the volume of the flow of passengers is larger
Section train is hung together together, carries out normal operation as reconnection train.
In the prior art, when more piece train hangs together operation, vehicle-mounted passenger information system can only join audio-frequency bus
It hangs, therefore its heavy operation system can only realize basic broadcast and driver's intercommunication function.Due between train industry ethernet not into
Row is even hung, therefore cannot achieve the emergency alarm of broadcast and information display system, and LED screen is shown, coach number is shown and dynamic map
LCD screen display function, more cannot achieve video display subsystem includes video display playing function, and Monitor And Control Subsystem includes monitoring image
Display and look back function.When more piece train again through transport battalion, need to carry out institute using the host of a wherein section train as control terminal
Some operations and control.At this time, it may be necessary to system guarantees both can be every section train simultaneous transmission shared data, it can also be only at this
It saves and transmits independent data in train.Based on this, above-mentioned function is may be implemented in heavy operation system provided by the invention.
Summary of the invention
To solve the problems, such as that above-mentioned data share transmission and individual transmission between more piece train, the present invention provides one kind
The train system that through transport is sought again can satisfy at least 3 section trains its object is to system and arbitrarily organize into groups the battalion of through transport again.
To achieve the goals above, a kind of technical solution that the present invention uses is: one kind is sought for more piece train again through transport
System, train described in every section includes at least one host, and the host includes at least one switching equipment and mouth of networking again, institute
Stating switching equipment includes multiple common network interfaces, and the common network interface connects the communication equipment in the train by ethernet line,
The heavy networking mouth connects the switching equipment by ethernet line；
Wherein, the host configures the IP address of the heavy networking mouth according to the train number of the train；The host is matched
The multicast address of the switching equipment is set, the multicast address includes the first multicast address, the second multicast address and third multicast
Address；
Wherein, first multicast address and the third multicast address can by the heavy networking mouth Bidirectional transparent transmission,
Second multicast address is used for the intra-train communication.
Main Che Yucong vehicle 1 joins from three car weights of vehicle 2, by two car weights of main Che Yucong vehicle 1 connection and from vehicle 1 with from vehicle 2
Two car weights connection shown and look back function to realize the video monitoring image of Monitor And Control Subsystem, i.e., main vehicle and can be carried out from vehicle 1
Unicast NAT communication, can carry out unicast NAT communication from vehicle 1 and from vehicle 2, when main vehicle need to be with unicast communication be carried out from vehicle 2, lead to
It crosses from the mode that 1 monitoring display screen of vehicle is relayed and forwarded and realizes that main vehicle is had access to from the monitoring image of vehicle 2, that is, when main vehicle
When needing to having access to from the monitoring image of vehicle 2, the heavy receipts or other documents in duplicate that main vehicle monitor screen passes through first between main Che Yucong vehicle 1 is broadcast
NAT avenues of communication transfers instruction to from vehicle 2 some camera head monitor image to sending from the monitor screen of vehicle 1；From the monitoring of vehicle 1
Screen receive after instruction again by from vehicle 1 with broadcast NAT avenues of communication from the weight receipts or other documents in duplicate between vehicle 2 and transfer from the corresponding camera of vehicle 2
Monitoring image is cached；From vehicle 1 by the camera head monitor image data transferred by broadcasting NAT from the heavy receipts or other documents in duplicate of vehicle 1 and main vehicle
Avenues of communication is transmitted to the monitor screen of main vehicle；Main vehicle monitor screen receives the monitoring image of the corresponding camera of the slave vehicle 1 forwarded from vehicle 1
Data are simultaneously decoded display.
Preferably, the heavy networking mouth of more piece train is connected two-by-two by ethernet line.
Preferably, the corresponding virtual local area network address of the IP address of each heavy networking mouth, described in more piece
The virtual local area network address of train is identical.
Preferably, first multicast address is shown for broadcasting with information, and second broadcast address is used for the column
The sensitive information of vehicle transmits, and the third broadcast address is transmitted for message of film and TV.
Preferably, the host further includes audio port, and the audio port of more piece train passes through audio-frequency bus two-by-two
Connection.
It is compared to the prior art, is sought the present invention has the advantages that rail traffic vehicles can be met and organize into groups through transport again more, and
Its system function is not influenced；The preparation that system is transferred to the battalion of through transport again from bicycle operation is less, joins the whole of mode operation again
Automation, without human intervention；Identical its IP address of equipment of different train is identical in this scheme, thus system equipment maintenance compared with
Simply, standby redundancy availability is higher.
Detailed description of the invention
Fig. 1: it is provided by one embodiment of the present invention to be used for the 3 section trains system structure diagram that through transport is sought again, wherein (1)
For main vehicle, (2) are from vehicle 1, and (3) are from vehicle 2；
Fig. 2: it is provided by one embodiment of the present invention to be used for the 3 section trains system architecture schematic diagram that through transport is sought again, wherein
(101), (201) and (301) are the first host of train, and (102), (202) and (302) are the second host of train, (103a)-
(106a)、(103b)-(106b)、(203a)-(206a)、(203b)-(206b)、(303a)-(306a)、(303b)-(306b)
The terminal device for indicating connection host, can be Broadcasting Control box or alarm, guest room television equipment, drivers' cab broadcasting equipment,
Drivers' cab video equipment, wherein dotted line expression joins ethernet line again, and solid black lines indicate that ethernet line, grey filled lines indicate annular
Ethernet line；
Fig. 3: the system structure diagram for 3 section trains again through transport battalion that another embodiment of the present invention provides, wherein
(4a)-(4c) is the first of train to network again mouth, and (5a)-(5c) is the second of train to network again mouth, and (6a)-(6c) is train
First monitor screen, (7a)-(7c) are the second monitor screen of train, and (8a1)-(8c2) is the camera of train.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail, but following embodiments are not constituted to of the invention
Limitation.
Fig. 1 is the system for arbitrarily organizing into groups the battalion of through transport again for 3 section trains that an example of the present invention provides, as schemed institute
Show, it, need to be by main vehicle (1) and from vehicle 1 (2), the audio-frequency bus from vehicle 1 (2) and from vehicle 2 (3), ether when 3 section trains even hang operation
Network bus connection.Specifically, every section train all has there are two host, it is located at train head and tail portion shaded side, two sections column
The box in workshop is even to hang end, indicates that two section trains are connected by audio port with networking mouth again, wherein with the one of main vehicle (1)
A host is as main control.
In alternative embodiment, switching equipment is installed in the host of every section train, host connects this by the switching equipment
Each terminal device of train, to form the communication network in the train.Networking mouth is set by ethernet line connection exchange again
Standby, mouth of networking again has the function of Bidirectional transparent transmission, unicast network address conversion (i.e. NAT), each between each vehicle to realize in train
The normal communication of terminal device.
In alternative embodiment, independent virtual LAN is formed inside every section train system.Specifically, every train interchanger
The common network interface of board belongs to identical VLAN, and mouth of networking again belongs to different VLAN.General data can not travelling across VLAN transmission, from
And realize the Network Isolation between every train.After the network interface connection of connection again of each train, specified multicast packet passes through IP multicast skill
Art realize in common network interface, again network mouth between travelling across VLAN transmission, that is, realize the transmitted in both directions function of multicast packet, such as
Make the first multicast address 225.1.1.42 (for broadcast system use), third multicast address 225.1.1.43 (for video system
With) data can be bi-directionally transmitted by mouth of networking again, it can guarantee that LAN port IP address does not conflict, and also may be implemented in this way
With the data interaction between other trains.
In alternative embodiment, the second multicast address that broadcast system communication between devices in train are arranged is
225.1.1.41, the multicast address be not provided to its data can transmitted in both directions for transmitting the configuration information of train transmit range
Only limit this train, wherein configuration information includes the sensitive informations such as train number, coach number, cannot be shared with other trains.
In alternative embodiment, the passenger information system of train includes broadcast system and video system, wherein broadcast system packet
Multiple terminal devices, such as drivers' cab broadcasting equipment, Broadcasting Control box, alarm or other each Terminal Types etc. are included, using multicast
Mode is communicated；Video system includes multiple terminal devices, such as drivers' cab video display master control borad, guest room TV, using multicast
Mode is communicated.
In alternative embodiment, train host includes audio port, is directly connected to, is not necessarily to by audio-frequency bus and other trains
Increase isolation signals (isolation features increase in equipment end).When industry ethernet failure, guarantee can pass through audio-frequency bus
Realize basic artificial broadcast, driver's intercommunication function.
Fig. 3 is the system for arbitrarily organizing into groups the battalion of through transport again for 3 section trains that another example of the invention provides, this implementation
Example realizes the monitoring system function in passenger information system using the system for illustrating, between each Terminal Type of monitoring system
Communication is using mode of unicast.In the specific implementation, the IP address of the identical equipment of different trains be it is identical, as shown, example
Such as, camera (8a1) on every train, (8b1), (8c1) IP address be it is the same, between the equipment of different trains, need to lead to
The unicast network address of overweight networking mouth converts (i.e. NAT) function to realize.
In alternative embodiment, host configures the IP address for mouth of networking again according to the train number of this section train, since every section arranges
The train difference of vehicle, thus every section train network again mouth WAN IP address it is also inevitable different, to guarantee to occur
IP conflicts to be able to achieve unicast nat feature；LAN IP address of the networking mouth in this section train is identical again.In the specific implementation, department
Machine is configured the train number of every train by host, and system can be arranged in system host automatically automatically by train number to be handed over
It changes planes WAN IP address.In this example, main vehicle is followed successively by from vehicle 1, from the WAN IP address of the mouth of networking of vehicle 2 again
192.168.20.1~192.168.20.6；It is identical that Intranet LAN IP address is set, network the LAN of mouth again on the head of every section train
IP address is 192.168.10.1, and the network again LAN IP address of mouth of tail portion is 192.168.10.2；When driver is in monitor screen pair
When the train number of this train is set as 2, vehicle interchanger mouth WAN IP address of networking again is automatically set as end to end
192.168.10.3,192.168.10.4；
In alternative embodiment, when realizing 3 section train car weights connection in such a way that 2 section train car weights join and relaying be combined with each other
The monitoring image of video system show and look back function.In the specific implementation, main vehicle (1) with from vehicle 1 (2), from the three of vehicle 2 (3)
Car weight joins, and is realized with from two car weights of vehicle 1 (2) connection and from vehicle 1 (2) with joining from two car weights of vehicle 2 (3) by main vehicle (1),
I.e. main vehicle (1) and unicast NAT communication can be carried out from vehicle 1 (2), unicast NAT communication can be carried out from vehicle 1 (2) and from vehicle 2 (3),
It is real by way of being relayed and being forwarded from 1 monitoring display screen of vehicle when main vehicle (1) need to be with unicast communication be carried out from vehicle 2 (3)
Now main vehicle is had access to from the monitoring image of vehicle 2.
When main vehicle (1) is needed to having access to from the monitoring image of vehicle 2 (3), main vehicle (1) monitor screen passes through main vehicle first
(1) and NAT avenues of communication is broadcast from the weight receipts or other documents in duplicate between vehicle 1 (2) to send to from the monitor screen of vehicle 1 (2) to from vehicle 2 (3), some is taken the photograph
Instruction is transferred as head monitoring image；
It is received from the monitor screen of vehicle 1 (2) logical by broadcasting NAT from vehicle 1 (2) and from the heavy receipts or other documents in duplicate between vehicle 2 (3) again after instructing
Letter approach is transferred to be cached from the monitoring image of the corresponding camera of vehicle 2 (3)；
From vehicle 1 (2) by the camera head monitor image data transferred by broadcasting NAT from the heavy receipts or other documents in duplicate of vehicle 1 (2) Yu main vehicle (1)
Avenues of communication is transmitted to the monitor screen of main vehicle (1)；
Main vehicle (1) monitor screen receives the monitoring image data of the corresponding camera of the slave vehicle 1 (3) forwarded from vehicle 1 (2) and carries out
Decoding display；
To realize main vehicle (1) to from vehicle 1 (3) monitoring image display and look back function.
Above to it is provided by the present invention it is a kind of for more piece train again through transport battalion system carried out exhaustive presentation, herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of the above implementation is only intended to help
Understand core of the invention thought；At the same time, for those skilled in the art, according to the thought of the present invention, specific real
Apply in mode and application range that there will be changes, will be to change and improvement of the invention it is possible, without beyond attached
Add the conception and scope of claim defined, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (5)
1. a kind of system for more piece train again through transport battalion, the more piece train includes main vehicle, from vehicle 1 and from vehicle 2, every section institute
Stating train includes at least one host, which is characterized in that the host includes at least one switching equipment and mouth of networking again, described
Switching equipment includes multiple common network interfaces, and the common network interface connects the communication equipment in the train, institute by ethernet line
It states again networking mouth and the switching equipment is connected by ethernet line；
Wherein, the host configures the IP address of the heavy networking mouth according to the train number of the train；The host configures institute
The multicast address of switching equipment is stated, the multicast address includes the first multicast address, the second multicast address and third multicast address；
Wherein, first multicast address and the third multicast address can be described by the heavy networking mouth Bidirectional transparent transmission
Second multicast address is used for the intra-train communication；
Main Che Yucong vehicle 1 joins from three car weights of vehicle 2, by two car weights of main Che Yucong vehicle 1 connection and from vehicle 1 with from the two of vehicle 2
Car weight connection shows and look back function to realize the video monitoring image of Monitor And Control Subsystem, i.e., main vehicle and can carry out unicast from vehicle 1
NAT communication, unicast NAT communication can be carried out from vehicle 1 and from vehicle 2, when main vehicle need to from vehicle 2 carry out unicast communication when, by from
The mode that 1 monitoring display screen of vehicle is relayed and forwarded realizes that main vehicle is had access to from the monitoring image of vehicle 2, that is, when main vehicle needs
When to having access to from the monitoring image of vehicle 2, it is logical that the heavy receipts or other documents in duplicate that main vehicle monitor screen passes through between main Che Yucong vehicle 1 first broadcasts NAT
Letter approach transfers instruction to from vehicle 2 some camera head monitor image to sending from the monitor screen of vehicle 1；It is received from the monitor screen of vehicle 1
After to instruction again by from vehicle 1 with broadcast NAT avenues of communication from the weight receipts or other documents in duplicate between vehicle 2 and transfer monitoring from the corresponding camera of vehicle 2
Image is cached；It is communicated from vehicle 1 by the camera head monitor image data transferred by broadcasting NAT with the heavy receipts or other documents in duplicate of main vehicle from vehicle 1
Approach is transmitted to the monitor screen of main vehicle；Main vehicle monitor screen receives the monitoring image data of the corresponding camera of the slave vehicle 1 forwarded from vehicle 1
And it is decoded display.
2. system according to claim 1, which is characterized in that the heavy networking mouth of more piece train passes through ethernet line two
Two connections.
3. system according to claim 1, which is characterized in that the IP address corresponding one of each heavy networking mouth
The virtual local area network address of a virtual local area network address, train described in more piece is identical.
4. system according to claim 1, which is characterized in that first multicast address is used to broadcast and information is shown,
Sensitive information of second broadcast address for the train transmits, and the third broadcast address is transmitted for message of film and TV.
5. system according to claim 1, which is characterized in that the host further includes audio port, the institute of more piece train
Audio port is stated to connect two-by-two by audio-frequency bus.
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| CN201910121408.7A CN109808736B (en) | 2019-02-19 | 2019-02-19 | System for multi-section train reconnection operation |
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| CN201910121408.7A CN109808736B (en) | 2019-02-19 | 2019-02-19 | System for multi-section train reconnection operation |
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| CN109808736B (en) | 2021-03-26 |
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