CN109218423A - A kind of train network system - Google Patents
A kind of train network system Download PDFInfo
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- CN109218423A CN109218423A CN201811063180.2A CN201811063180A CN109218423A CN 109218423 A CN109218423 A CN 109218423A CN 201811063180 A CN201811063180 A CN 201811063180A CN 109218423 A CN109218423 A CN 109218423A
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- train
- network
- vehicle
- network system
- ethernet
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0826—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network costs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
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- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of train network system, the network system of train is configured according to the operation mode of train, for the train that can not be split, it runs as a whole always in the process of running, in this way, the level-one Ethernet structure that network structure can be used relatively simple, for detachable train, it may be run in the process of running with a few section vehicles, it is set as second level Ethernet structure, convenient for carrying out the fractionation of network system from train grade interchanger, this network system has preferably carried out the reasonable distribution of Internet resources, and using the structure of Ethernet, network layout is simple, easy to maintain and maintenance efficiency is high.
Description
Technical field
The present invention relates to train network design field, in particular to a kind of train network system.
Background technique
Direction with train towards intelligence, comfortableization is constantly developed, and more and more data are needed in train net
It is transmitted on network, these data include control data, diagnostic data and entertainment information data of passenger etc., this makes train
The building of network system also becomes increasingly complex, and unreasonable network system can make complicated network layout, maintenance complexity and repair
Low efficiency, meanwhile, the reasonable distribution of Internet resources is also extremely important, and unreasonable distribution will also result in the wasting of resources or upgrading changes
Make difficulty.
Summary of the invention
In view of this, resource distribution is reasonable and easy to maintain the purpose of the present invention is to provide a kind of train network system.
To achieve the above object, the present invention has following technical solution:
A kind of train network system, comprising:
If the operation type of train is whole operation mode, the train uses first network system, the first network
System include: by each section vehicle vehicle grade exchange mechanism at level-one Ethernet structure;
If the operation type of train is the detachable operation mode of vehicle, the train uses the second network system, described the
Two network systems are made of multiple subnets, and each subnet includes:
At least the vehicle grade interchanger of a section vehicle and train grade interchanger;
The vehicle grade exchange mechanism in each subnet at level-one Ethernet structure, the level-one of each subnet with
The too network structure train grade interchanger that is connected to each subnet;
The train grade interchanger of each subnet uses Linear Network structure, when the train is split operation, from phase
The train grade interchanger between subnet is answered to carry out the fractionation of network system.
Optionally, the level-one Ethernet structure is ethernet ring network, and the vehicle grade interchanger is Layer 2 switch.
Optionally, the Linear Network structure in second network system is backbone network, and the train grade interchanger is three
Layer switch.
Optionally, the backbone network is featuring diplonema redundancy setting.
Optionally, the vehicle grade interchanger is used for the access of onboard control device.
Optionally, the part onboard control device is accessed by multichannel vehicle grade interchanger.
Optionally, further includes: monitoring host computer and onboard wireless monitoring device, the monitoring host computer have wireless receiving and dispatching mould
Block, the monitoring host computer carry out data communication by the radio receiving transmitting module and the onboard wireless monitoring device.
Train network system provided in an embodiment of the present invention, when the operation type of train is whole operation mode, the column
Vehicle use by each vehicle vehicle grade exchange mechanism at level-one Ethernet structure, and when train operation type be vehicle can
When splitting operation mode, then train uses the second level Ethernet structure being made of multiple subnets, and the vehicle grade in each subnet is handed over
It changes planes and constitutes level-one Ethernet structure, which is connected to the train grade interchanger of the subnet, and train
Grade interchanger then uses Linear Network structure, in this way, then handing over from the train grade between respective subnet when the train is split operation
It changes planes and carries out the fractionation of network system.In the network system, the network system of train is configured according to the operation mode of train, it is right
It in the train that can not be split, runs as a whole always in the process of running, in this way, can be more simple using network structure
Single level-one Ethernet structure may run detachable train in the process of running with a few section vehicles, be arranged
For second level Ethernet structure, convenient for carrying out the fractionation of network system from train grade interchanger, this network system preferably into
The reasonable distributions of Internet resources is gone, and using the structure of Ethernet, network layout is simple, easy to maintain and maintenance efficiency is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows the structural schematic diagram of first network system in train network system according to embodiments of the present invention;
Fig. 2 shows the structural schematic diagrams of the second network system in train network system according to an embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As the description in background technique, unreasonable network system can make complicated network layout, maintenance complexity and tie up
Low efficiency is repaired, meanwhile, the reasonable distribution of Internet resources is also extremely important, and unreasonable distribution will also result in the wasting of resources or upgrading
Transformation is difficult.
For this purpose, configuring the network of train according to the operation mode of train present applicant proposes a kind of train network system
System runs the train that can not be split as a whole always in the process of running, in this way, network knot can be used
The relatively simple level-one Ethernet structure of structure in the process of running may be with a few section vehicles for detachable train
Operation, is set as second level Ethernet structure, convenient for carrying out the fractionation of network system, this network system from train grade interchanger
The reasonable distribution of Internet resources is preferably carried out, and using the structure of Ethernet, network layout is simple, easy to maintain and repair
It is high-efficient.
The train network system of the embodiment of the present application in order to better understand carries out specifically below with reference to attached drawing
It is bright, referring to fig. 1 and fig. 2, a kind of train network system, comprising:
If the operation type of train is whole operation mode, the train uses first network system, the first network
System include: by each section vehicle vehicle grade exchange mechanism at level-one Ethernet structure;
If the operation type of train is the detachable operation mode of vehicle, the train uses the second network system, described the
Two network systems are made of multiple subnets, and each subnet includes:
At least the vehicle grade interchanger of a section vehicle and train grade interchanger;
The vehicle grade exchange mechanism in each subnet at level-one Ethernet structure, the level-one of each subnet with
The too network structure train grade interchanger that is connected to each subnet;
The train grade interchanger of each subnet uses Linear Network structure, when the train is split operation, from phase
The train grade interchanger between subnet is answered to carry out the fractionation of network system.
In the embodiment of the present application, train can be the track vehicles such as high-speed rail, subway, motor-car, the both ends of train or
One end is head vehicle, and for the compartment for drawing or braking, other parts are cascade intermediate vehicle, for the compartment for carrying passenger, in order to just
In description, the section vehicle each head vehicle and each intermediate vehicle being referred to as in train.
The operation type of train includes that whole operation mode and detachable operation mode, whole operation mode refer in train
Operational process in, all vehicles of the train are run as a whole, there is no only a few section compartments operation the case where.
Detachable operation mode refers to train in the process of running, and the vehicle of the train can have the case where splitting, such as one 6
The train of marshalling, in peak period morning and evening, train waits other off-peak periods at noon using 6 marshalling operations, and train is then adopted
With 4 marshalling operations, train, which needs to solve, to be compiled, and network structure is then also required to reconstruct.It can be arranged by the marshalling situation of train
The operation type of vehicle, for being then whole operation mode, for different marshallings always with the train of a fixed marshalling operation
The train of operation is then detachable operation mode.
When train is whole operation mode, then the train uses first network system, refering to what is shown in Fig. 1, first network
System include: by each section vehicle vehicle grade exchange mechanism at level-one Ethernet structure.For integral train, and
There is no the possibility of fractionation, it is therefore possible to use more simple network structure, in this way, can be according to fixed the case where organizing into groups
The configuration for carrying out Internet resources not will cause the waste of resource so that the distribution of Internet resources is more reasonable, be conducive to be risen yet
Grade transformation, network layout can also be carried out according to the network structure, so that the cost of maintenance and maintenance reduces.
Vehicle grade interchanger is the interchanger being set on vehicle, is used for connecting vehicular equipment, is used for these mobile units
Data interaction, these mobile units can be onboard control device, onboard control device such as trailer system, braking system or
Door device etc., the data of these control equipment are the significant data in train system, and the transmission and interaction of data need higher
Real-time and safety, vehicle grade interchanger can only be used to access these onboard control devices rather than other in real time
Property require not high diagnostic data, passenger entertainment information data etc..In a particular application, the transmission bandwidth of Ethernet can be
100M or 1000M, or bigger bandwidth.
And for the not high diagnostic data of other requirement of real-time, passenger entertainment information data etc., then it can pass through nothing
Gauze network is realized, specifically, the wireless network that can be constituted using onboard wireless monitoring device and monitoring host computer, monitoring host computer
With radio receiving transmitting module, monitoring host computer carries out data by the radio receiving transmitting module and the onboard wireless monitoring device and leads to
News.Onboard wireless monitoring device can be diagnostic data mining for vehicles equipment or entertainment information data sink etc., specific to apply
In, which can be for example the sensor with radio receiving transmitting module, more specifically, for example pyrotechnics is alarmed
Multiple alarms in system, according to the connection type of Ethernet, can make network layout since the quantity of alarm is various
Complexity, maintenance abnormality are inconvenient.And the data control equipment for using real-time, importance high is Ethernet access, other real-times
Low equipment ensure that the demand of control device data real-time and safety, also reduced net by the way of wireless access
Network wiring complexity improves the efficiency of maintenance and maintenance.
In specific application, by the vehicle grade exchange mechanism of each section vehicle at level-one Ethernet structure, can be
The combined network structure of ring network structure, linear structure or both.More preferably in embodiment, which can be adopted
With ethernet ring network, vehicle interchanger can use Layer 2 switch, and the distribution of network structure and Internet resources is more reasonable, more into
One step, can Ethernet transmit used by agreement can be real time ethernet protocol, such as can be and meet IEC61375 2-
The agreement of 3/2-5/3-4 relevant criterion.
For each section vehicle, can be according to mobile unit the case where, to be equipped with the quantity of vehicle interchanger, quantity is for example
It can be 1,2,3 etc., when concrete configuration, can suitably retain redundant interface.Furthermore, it is possible to heavy safely according to onboard control device
The property wanted degree, the mobile unit high for the security significances degree such as trailer system, braking system can use and pass through multichannel vehicle
The access of grade interchanger, such as the same vehicle interchanger or different vehicle interchangers can be accessed by two-way route,
And mobile unit lower for security significance degree, then it can be accessed using single channel vehicle grade interchanger.In this way, guaranteeing
While Information Security, more reasonable carry out resource allocation avoids the waste of Internet resources.
When train is detachable operation mode, then the train uses the second network system, refering to what is shown in Fig. 2, the second net
Network system is made of multiple subnets, and each subnet is to a portion vehicle networking, and the quantity of vehicle is basis in each subnet
What specific marshalling situation flexibly determined.The vehicle grade exchange mechanism of each vehicle in each subnet is at level-one Ethernet knot
Structure, the level-one Ethernet structure are connected to train grade interchanger, constitute the network structure of subnet, pass through train grade between subnet
Interchanger is connected using Linear Network structure, thus, the train network of two grade network structure is constituted by each subnet.
It can be from the train between respective subnet when train is split operation due to using this two grade network structure
Grade interchanger carries out the fractionation of network system, realizes and carries out network reconfiguration according to different marshallings.In this way, can become for marshalling
The train of change can use the network structure different from the constant train of above-mentioned marshalling, in this way, the feelings that can be split according to marshalling
The configuration that condition carries out Internet resources not will cause the waste of resource so that the distribution of Internet resources is more reasonable, be conducive to carry out yet
Upgrading, network layout can also be carried out according to the network structure, so that the cost of maintenance and maintenance reduces.
For the quantity of vehicle in each subnet, the quantity of vehicle is flexible according to specific marshalling situation in each subnet
It is determining, it can be one group by taking the train of 6 marshallings and 4 marshalling operations as an example by above-mentioned with 2 section vehicles and form subnet, it can also be with
It is one group with 1 section vehicle and forms subnet.
In the network structure of this kind of situation, vehicle grade interchanger is used for connecting vehicular equipment, is used for these mobile units
Data interaction, train grade interchanger can be used for data between different sub-network and controls the transmission of information, and according to not
Same business datum, to determine the communication configuration informations such as data transmitting period, data package size.
With the description in above-mentioned first network structure, the mobile unit in the second network structure can set for vehicle-mounted control
Standby, onboard control device such as trailer system, braking system or door device etc., the data of these control equipment are train system
In significant data, the transmission of data and interaction need higher real-time and safety, vehicle grade interchanger that can only be used to
Access these onboard control devices rather than the not high diagnostic data of other requirement of real-time, passenger entertainment information data
Deng.In a particular application, the transmission bandwidth of Ethernet can be 100M or 1000M, or bigger bandwidth.
And for the not high diagnostic data of other requirement of real-time, passenger entertainment information data etc., then it can pass through nothing
Gauze network is realized, specifically, the wireless network that can be constituted using onboard wireless monitoring device and monitoring host computer, monitoring host computer
With radio receiving transmitting module, monitoring host computer carries out data by the radio receiving transmitting module and the onboard wireless monitoring device and leads to
News.Onboard wireless monitoring device can be diagnostic data mining for vehicles equipment or entertainment information data sink etc., specific to apply
In, which can be for example the sensor with radio receiving transmitting module, more specifically, for example pyrotechnics is alarmed
Multiple alarms in system, according to the connection type of Ethernet, can make network layout since the quantity of alarm is various
Complexity, maintenance abnormality are inconvenient.And the data control equipment for using real-time, importance high is Ethernet access, other real-times
Low equipment ensure that the demand of control device data real-time and safety, also reduced net by the way of wireless access
Network wiring complexity improves the efficiency of maintenance and maintenance.
In specific application, by the vehicle grade exchange mechanism of each section vehicle at level-one Ethernet structure, can be
The combined network structure of ring network structure, linear structure or both.More preferably in embodiment, which can be adopted
With ethernet ring network, vehicle interchanger can use Layer 2 switch, and train grade interchanger uses three-tier switch, Linear Network knot
Structure can be backbone network, and in order to improve safety, backbone network can be arranged using featuring diplonema redundancy.In this way, make network structure and
The distribution of Internet resources is more reasonable, further, can Ethernet transmit used by agreement can for real-time ethernet assist
View, such as can be the agreement for meeting IEC61375 2-3/2-5/3-4 relevant criterion.
Same the description above, in the second network structure, for each section vehicle, can be according to mobile unit the case where,
It is equipped with the quantity of vehicle interchanger, quantity for example can be 1,2,3 etc., when concrete configuration, can suitably retain redundant interface.
Furthermore, it is possible to according to onboard control device security significance degree, for the security significances degree such as trailer system, braking system
High mobile unit can be accessed using by multichannel vehicle grade interchanger, such as can be accessed by two-way route same
Vehicle interchanger or different vehicle interchangers, and mobile unit lower for security significance degree, then can use
The access of single channel vehicle grade interchanger.In this way, while assuring data security, more reasonable carry out resource allocation avoids net
The waste of network resource.
For the mobile unit of above-mentioned access, the name of IP address can use following rule:
00001010.00000vvv.00xxwwww.hhhhhhhh/24;
Wherein, the serial number of virtual subnet where [v] indicates equipment, i.e. VLAN ID where mobile unit, typically greater than zero
An integer.
[x] is reserved, and generally 0.
[w] car number.
The unique code of mark of [h] terminal device.
The train network system of the embodiment of the present application is described in detail above, in the network system, according to column
The operation mode of vehicle is used as one for the train that can not be split to configure the network system of train always in the process of running
Overall operation, in this way, can using the relatively simple level-one Ethernet structure of network structure, for detachable train,
May be run in operational process with a few section vehicles, be set as second level Ethernet structure, convenient for from train grade interchanger into
The fractionation of row network system, this network system have preferably carried out the reasonable distribution of Internet resources, and using the knot of Ethernet
Structure, network layout is simple, easy to maintain and maintenance efficiency is high.
The above is only a preferred embodiment of the present invention, although the present invention has been disclosed in the preferred embodiments as above, so
And it is not intended to limit the invention.Anyone skilled in the art is not departing from technical solution of the present invention ambit
Under, many possible changes and modifications all are made to technical solution of the present invention using the methods and technical content of the disclosure above,
Or equivalent example modified to equivalent change.Therefore, anything that does not depart from the technical scheme of the invention, according to the present invention
Technical spirit any simple modification, equivalent variation and modification made to the above embodiment, still fall within the technology of the present invention side
In the range of case protection.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Claims (7)
1. a kind of train network system characterized by comprising
If the operation type of train is whole operation mode, the train uses first network system, the first network system
Include: by each section vehicle vehicle grade exchange mechanism at level-one Ethernet structure;
If the operation type of train is the detachable operation mode of vehicle, the train uses the second network system, second net
Network system is made of multiple subnets, and each subnet includes:
At least the vehicle grade interchanger of a section vehicle and train grade interchanger;
The vehicle grade exchange mechanism in each subnet is at level-one Ethernet structure, the level-one Ethernet of each subnet
Network structure is connected to the train grade interchanger of each subnet;
The train grade interchanger of each subnet uses Linear Network structure, when the train is split operation, from corresponding son
Train grade interchanger between net carries out the fractionation of network system.
2. network system according to claim 1, which is characterized in that the level-one Ethernet structure is ethernet ring network,
The vehicle grade interchanger is Layer 2 switch.
3. network system according to claim 2, which is characterized in that the Linear Network structure in second network system
For backbone network, the train grade interchanger is three-tier switch.
4. network structure according to claim 3, which is characterized in that the backbone network is featuring diplonema redundancy setting.
5. network structure according to claim 1, which is characterized in that the vehicle grade interchanger is used for onboard control device
Access.
6. network structure according to claim 5, which is characterized in that the part onboard control device passes through multichannel vehicle
Grade interchanger access.
7. network structure according to claim 1 to 6, which is characterized in that further include: monitoring host computer and vehicle
Wireless monitoring equipment is carried, the monitoring host computer has radio receiving transmitting module, and the monitoring host computer passes through the radio receiving transmitting module
Data communication is carried out with the onboard wireless monitoring device.
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