CN109782649A - Integrated train control system - Google Patents
Integrated train control system Download PDFInfo
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- CN109782649A CN109782649A CN201811422892.9A CN201811422892A CN109782649A CN 109782649 A CN109782649 A CN 109782649A CN 201811422892 A CN201811422892 A CN 201811422892A CN 109782649 A CN109782649 A CN 109782649A
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- expansion card
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- backboard
- cpci
- safety certification
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Abstract
The present invention relates to Train Control Technology fields, a kind of integrated train control system are disclosed, to improve the scalability and flexibility of system.Present system includes: integrated Train Control backboard and at least two expansion card, wherein, backboard slot position presses identical Design of Signal, and the signal wire of each slot position of connection includes power management bus, industry ethernet, cpci bus and universal serial bus, simultaneously, at least one connection power management bus is fixedly provided on backboard, industry ethernet, cpci bus and universal serial bus and the backboard server for integrating each bus scheduling function, backboard server is used for: supervising the hot plug and program load of each slot position institute grafting expansion card, and respective extension card through safety certification after, it is arranged and supervises the selection of the communication bus between each slot position institute grafting expansion card and switching, the intelligence switching of the more master mode dynamic constructions of Ethernet and CPCI main control module based on application control.
Description
Technical field
The present invention relates to Train Control Technology field more particularly to a kind of integrated train control systems.
Background technique
In field of communication technology, larger communication equipment mostly uses greatly distributed system architecture to construct its system, one in system
As contain the important components such as main control card, backboard, line card.Connection between main control card and line card is by backboard cabling mode
It realizes, and the connection between various boards and backboard is realized by plug connector one by one.
On the one hand, existing cabinet bus generally uses master & slave control, such as CPCI (Compact Peripheral
Component Interconnect, compact PCI), a master control borad association is multiple from control plate, and a cabinet is typically only capable to
Support a master control, when master control borad fault, then lead to the paralysis of entire case system.Meanwhile in existing casing structure, board
Between data transmission be often limited to unique data exchange ways, and need complicated listen to mechanism such as allocation schedules to keep away
Exempt from data collision；And it is respectively poor from control plate independence, due to its function difference, the bus of corresponding each slot position is different, leads to difference
From control plate can be only installed at fixed slot position, be unable to mixed insertion, and improve the design difficulty and manufacturing cost of core bus, expand
Malleability is poor.
Summary of the invention
Present invention aims at a kind of integrated train control system is disclosed, to improve the scalability and flexibility of system.
To achieve the above object, the invention discloses a kind of integrated train control systems, including integrated Train Control
Backboard and at least two expansion card, in which:
One, the integrated Train Control backboard includes:
By at least two slot position of identical Design of Signal, and the signal wire for connecting each slot position includes that power management is total
Line, industry ethernet, cpci bus and universal serial bus；
The universal serial bus, for identifying new insertion for CPCI main control module when any slot position is inserted into new expansion card
The expansion card id information and carry out safety certification；
The cpci bus, for the expansion card through safety certification after, for CPCI main control module and the extension
Card carries out master-slave communication；
The industry ethernet, for constructing the distributed communication network between each slot position institute grafting expansion card；
Wherein, the universal serial bus and the cpci bus communicate total respectively as the Backup Data of the industry ethernet
Line；And at least one connection power management bus, industry ethernet, cpci bus and universal serial bus are installed on the backboard
And the backboard server of each bus scheduling function is integrated, the backboard server is used for: supervising each slot position institute grafting expansion card
Hot plug and program load, and respective extension card through safety certification after, be arranged and supervise each slot position institute grafting expansion card
Between communication bus selection and switching, the more master mode dynamic constructions of the Ethernet based on application control and CPCI main control module
Intelligence switching；
Two, the expansion card includes at least:
Power Management Unit, the power supply for providing backboard power management bus are converted into each functional unit in expansion card
Required working power；
Safety certification unit is connected for backboard universal serial bus for recording the id information of the expansion card itself
CPCI main control module identifies and carries out safety certification；
Ethernet data processing unit, for the expansion card through safety certification after, it is total with the Ethernet on backboard
Line carries out data exchange；
CPCI data processing unit, for the expansion card through safety certification after, through backboard cpci bus carry out plate
Between master-slave communication；
Wherein, the Power Management Unit, safety certification unit, Ethernet data processing unit and CPCI data processing list
Member is separately connected main control unit, and the main control unit is handled for realizing the input and output of external data, and by the string on backboard
Row bus and the cpci bus are realized and company, backboard institute respectively as the Backup Data communication bus of the industry ethernet
Connect the data interaction processing between other function module.
The invention has the following advantages:
Distributed industry ethernet and universal serial bus, power management bus and master-slave mode cpci bus are combined together, and
It on the one hand, can the convenient quantity for changing expansion card, management convenient for safeguarding and System Expansion under the action of mixed insertion type slot；
On the other hand, under the action of backboard server, in cabinet between each expansion card can by the flexible choice of communication bus and
Switching ensures the reliable and stable interaction of data and dynamic construction more master modes and intelligence switching CPCI master based on application control
Control module.Extreme enrichment synergistic function, bearing capacity and the flexibility of system entirety, and the intelligence for improving system risk is answered
To performance.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the integrated train control system block diagram of the embodiment of the present invention；
Fig. 2 is the integrated Train Control backboard block diagram of the embodiment of the present invention；
Fig. 3 is the expansion card block diagram of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Embodiment 1
The present embodiment discloses a kind of integrated train control system, as shown in Figure 1, including integrated Train Control backboard 1
With at least two expansion card 2.
As shown in Fig. 2, the present embodiment integration Train Control backboard includes:
By at least two slot position of identical Design of Signal, and the signal wire for connecting each slot position includes that power management is total
Line, industry ethernet, cpci bus and universal serial bus；
The universal serial bus, for identifying new insertion for CPCI main control module when any slot position is inserted into new expansion card
The expansion card id information and carry out safety certification；
The cpci bus, for the expansion card through safety certification after, for CPCI main control module and the extension
Card carries out master-slave communication；
The industry ethernet, for the expansion card through safety certification after, construct each slot position institute grafting expansion card
Between distributed communication network；
Wherein, the universal serial bus and the cpci bus communicate total respectively as the Backup Data of the industry ethernet
Line；And at least one connection power management bus, industry ethernet, cpci bus and universal serial bus are installed on the backboard
And the backboard server of each bus scheduling function is integrated, the backboard server is used for: supervising each slot position institute grafting expansion card
Hot plug and program load, and respective extension card through safety certification after, be arranged and supervise each slot position institute grafting expansion card
Between communication bus selection and switching, the more master mode dynamic constructions of the Ethernet based on application control and CPCI main control module
Intelligence switching.
Preferably, the backboard server be provided with based on AMP (Asymmetric multiprocessing, it is asymmetric
Multiprocessing) four CPU combining of mode are from core, to be respectively used to power management bus, industry ethernet, cpci bus and serial
Standalone feature between bus is realized, and each CPU connects the main core of CPU for data processing processing, institute from core jointly
It states the main core of CPU and is connect respectively with database with each CPU from core, it is synchronous to carry out data.
It is corresponding with above-mentioned backboard, as shown in figure 3, the present embodiment expansion card includes at least:
Power Management Unit 32, the power supply for providing backboard power management bus are converted into each function list in expansion card
The required working power of member；
Safety certification unit 34 is connected for backboard universal serial bus for recording the id information of the expansion card itself
CPCI main control module identifies and carries out safety certification；
Ethernet data processing unit 36, for carrying out data exchange with the industry ethernet on backboard；
CPCI data processing unit 38, for the expansion card through safety certification after, carried out through backboard cpci bus
Master-slave communication between plate；
Wherein, the Power Management Unit, safety certification unit, Ethernet data processing unit and CPCI data processing list
Member is separately connected main control unit 30, and the main control unit is handled for realizing the input and output of external data, and will be on backboard
Universal serial bus and the cpci bus are realized and backboard institute respectively as the Backup Data communication bus of the industry ethernet
Connect the data interaction processing between other function module.
Optionally, the present embodiment expansion card includes any one or any combination below:
Control for brake subsystem expansion card, PIS (Passenger Information System, passenger information system)
System expansion card, traction subsystem expansion card, car door subsystem expansion card and I/O expansion card.Further, each expansion card
For the function card of the interior custom protocol stack equipped with data link layer and the direct-connected data channel of application layer, and support described customized
The data frame of protocol stack is based on the industry ethernet and carries out fast data exchange between plate in the backboard；So that data link
Layer special data can without the middle layers such as IP layer and transport layer and go directly application layer, improve the special data transmit
Real-time.
Further, in the present embodiment system, the power management bus is connected at least two pieces of power panels, the back
Plate server is separately connected with each power panel, to control each power supply according to the type of each slot position institute grafting expansion card and quantity
The working condition of plate simultaneously realizes load balancing between each power panel.Such as: it is more than a certain threshold value in institute's grafting expansion card quantity
When, backboard server can provide the higher power supply of such as 12V based on two pieces of power panels, and then for each expansion card with power management
Unit is converted into the internal works power supplys such as respectively required 5V, 3.3V or 1.5V respectively；And when the quantity of institute's grafting expansion card is low
When a certain threshold value, backboard server can be powered with polling mechanism with monolithic power panel, and another piece then as spare.By
This, the present embodiment by power management bus, can avoid transmission range it is long caused by spread of voltage, to also ensure and be
System stability.
Similar with the load balancing of above-mentioned power panel, the intelligence switching of the present embodiment CPCI main control module can also be with base
Load-balancing mechanism between each expansion card is made.Such as: when existing the first expansion card for realizing CPCI main control module is by structure
When building up more master modes based on industry ethernet, backboard server can be incited somebody to action according to the loading condition of first expansion card
The function of CPCI main control module is transferred to other free time and has on the second expansion card of matching capacity.Wherein, more master modes have
Point can do mutual standby, one-to-many, many-one as the duplication inside storage, that is, the node of equity；Backup Data and appoint
Business " object " information is complete on each backup expansion card, so that the more master modes of Ethernet have remarkably
Fault-tolerant ability.Similarly, when it is existing carrying CPCI main control module expansion card be pulled out from slot after, backboard server also can and
When and specify the expansion card of new carrying CPCI main control module function automatically.
On the other hand, in the present embodiment, customized differential serial transmission is can be used in universal serial bus, and based on safety certification
Custom protocol is preset in the backboard server and is determined as CPCI master control for selecting one from the expansion card of each slot position institute grafting
Module simultaneously loads identified CPCI main control module progress safe authentication procedure automatically.
Further, in this embodiment the safety certification unit of each expansion card is additionally provided in CPCI main control module safety
The related device of audible and visual alarm is exported after authentification failure；Corresponding, above-mentioned backboard server is also used in CPCI master control
The expansion card that is newly inserted into of module identification can not through safety certification after, start to slot position bus corresponding to the expansion card
Bypass processing.
To sum up, integration train control system disclosed in the present embodiment, by distributed industry ethernet and universal serial bus, electricity
Source control bus and master-slave mode cpci bus combine together, and on the one hand, under the action of mixed insertion type slot, convenient can change
The quantity of expansion card, management convenient for safeguarding and System Expansion；On the other hand, under the action of backboard server, respectively expand in cabinet
It can ensure that the reliable and stable interaction of data and dynamic construction are based on by the flexible choice and switching of communication bus between exhibition card
The more master modes and intelligence switching CPCI main control module of application control.The extreme enrichment synergistic function of system entirety, carrying
Ability and flexibility, and improve the intelligence reply performance of system risk.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of integration train control system, which is characterized in that including integrated Train Control backboard and at least two
Expansion card, in which:
One, the integrated Train Control backboard includes:
By at least two slot position of identical Design of Signal, and the signal wire for connecting each slot position include power management bus, with
Too network bus, cpci bus and universal serial bus；
The universal serial bus, for identifying the institute being newly inserted into for CPCI main control module when any slot position is inserted into new expansion card
It states the id information of expansion card and carries out safety certification；
The cpci bus, for the expansion card through safety certification after, for CPCI main control module and it is described extend stick into
Row master-slave communication；
The industry ethernet, for constructing the distributed communication network between each slot position institute grafting expansion card；
Wherein, the Backup Data communication bus of the universal serial bus and the cpci bus respectively as the industry ethernet；
And at least one connection power management bus, industry ethernet, cpci bus and universal serial bus are installed on the backboard simultaneously
The backboard server of each bus scheduling function is integrated, the backboard server is used for: supervising the heat of each slot position institute grafting expansion card
Plug and program load, and the expansion card through safety certification after, be arranged and supervise each slot position institute grafting expansion card it
Between communication bus selection and switching, the more master mode dynamic constructions of the Ethernet based on application control and CPCI main control module
Intelligence switching；
Two, the expansion card includes at least:
Power Management Unit, the power supply for providing backboard power management bus are converted into expansion card needed for each functional unit
Working power；
Safety certification unit, the CPCI master that the id information for recording the expansion card itself is connected for backboard universal serial bus
Control module identifies and carries out safety certification；
Ethernet data processing unit, for the expansion card through safety certification after, with the industry ethernet on backboard into
Row data exchange；
CPCI data processing unit, for the expansion card through safety certification after, carried out through backboard cpci bus main between plate
From communication；
Wherein, the Power Management Unit, safety certification unit, Ethernet data processing unit and CPCI data processing unit point
Not Lian Jie main control unit, the main control unit handles for realizing the input and output of external data, and will be serial total on backboard
Line and the cpci bus connect it with backboard to realize respectively as the Backup Data communication bus of the industry ethernet
Data interaction processing between his functional module.
2. integration train control system according to claim 1, which is characterized in that the backboard server is provided with base
In four CPU that AMP mode combines from core, to be respectively used to power management bus, industry ethernet, cpci bus and serial total
Standalone feature between line is realized, and each CPU connects the main core of CPU for data processing processing from core jointly, described
The main core of CPU is connect with database with each CPU from core respectively, synchronous to carry out data.
3. integration train control system according to claim 1, which is characterized in that the expansion card includes below
It anticipates a kind of or any combination:
Control for brake subsystem expansion card, PIS subsystem expansion card, traction subsystem expansion card, car door subsystem expansion card and
I/O expansion card.
4. integration train control system according to claim 1, which is characterized in that the power management bus is connected with
At least two pieces of power panels, the backboard server are separately connected with each power panel, according to each slot position institute grafting expansion card
Type and quantity control the working condition of each power panel and realize load balancing between each power panel.
5. integration train control system according to claim 1, which is characterized in that the intelligence switching of CPCI main control module
It is made based on the load-balancing mechanism between each expansion card.
6. integration train control system according to any one of claims 1 to 5, which is characterized in that the safety certification list
Member is additionally provided with the related device that audible and visual alarm is exported after the failure of CPCI main control module safety certification, and the backboard server is also
For the expansion card that is newly inserted into of CPCI main control module identification can not through safety certification after, start to the expansion card institute
The bypass of corresponding groove BITBUS network is handled.
7. integration train control system according to claim 6, which is characterized in that further include:
The universal serial bus is transmitted using customized differential serial, and the custom protocol based on safety certification is preset in the back
Plate server is determined as CPCI main control module and to identified CPCI master for selecting one from the expansion card of each slot position institute grafting
Control module carries out safe authentication procedure and loads automatically.
8. integration train control system according to claim 6, which is characterized in that further include:
Each expansion card is the function card of the interior custom protocol stack equipped with data link layer and the direct-connected data channel of application layer,
And the data frame of the custom protocol stack is supported to be based on the industry ethernet and carry out rapid data between plate in the backboard
Exchange.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811422892.9A CN109782649B (en) | 2018-11-27 | 2018-11-27 | Integrated train control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422892.9A CN109782649B (en) | 2018-11-27 | 2018-11-27 | Integrated train control system |
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| CN109782649B (en) | 2021-07-27 |
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