CN109683676A - Expansion card - Google Patents
Expansion card Download PDFInfo
- Publication number
- CN109683676A CN109683676A CN201811422911.8A CN201811422911A CN109683676A CN 109683676 A CN109683676 A CN 109683676A CN 201811422911 A CN201811422911 A CN 201811422911A CN 109683676 A CN109683676 A CN 109683676A
- Authority
- CN
- China
- Prior art keywords
- expansion card
- backboard
- cpci
- bus
- safety certification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/185—Mounting of expansion boards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0024—Peripheral component interconnect [PCI]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Hardware Redundancy (AREA)
Abstract
The present invention relates to board technical fields, disclose a kind of expansion card, to cooperate with dedicated backboard to improve the scalability and flexibility of system.Expansion card of the present invention includes: Power Management Unit；Safety certification unit, for recording the id information of the expansion card itself so that the CPCI main control module that backboard universal serial bus is connected identifies and carries out safety certification；Ethernet data processing unit；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 unit are separately connected main control unit, the main control unit is handled for realizing the input and output of external data, and the universal serial bus on backboard and the cpci bus are realized that the data interaction between the connected other function module of backboard is handled as the Backup Data communication bus of the industry ethernet.
Description
Technical field
The present invention relates to board technical field more particularly to a kind of expansion cards.
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.
In existing casing structure, the data transmission between board is often limited to unique data exchange ways, so that
The scalability of system and flexibility are poor.
Summary of the invention
Present invention aims at disclosing a kind of expansion card, the scalability of system and flexible is improved to cooperate with dedicated backboard
Property.
To achieve the above object, the invention discloses a kind of expansion cards, comprising:
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 (Compact Peripheral Component Interconnect, compact PCI) main control module identifies and is pacified
Full 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.
Optionally, the slot position of backboard of the present invention is by identical Design of Signal for mixed insertion.
On the basis of mixed insertion, further, be installed on the backboard at least one connection power management bus, with
Network bus, cpci bus and universal serial bus and the backboard server of each bus scheduling function is integrated very much, to be used for: supervising each slot position
The hot plug of institute's grafting expansion card and program load, and respective extension card through safety certification after, be arranged and supervise each slot
Communication bus selection and switching, more master mode dynamic constructions based on application control and CPCI between position institute grafting expansion card
The intelligence switching of main control module.Wherein, the intelligence switching of the CPCI main control module is based on the load balancing between each expansion card
Mechanism is made.Customized differential serial transmission can be used in the universal serial bus, and the custom protocol based on safety certification is preset
It is determined as CPCI main control module and to determining for selecting one from the expansion card of each slot position institute grafting in the backboard server
CPCI main control module carry out safe authentication procedure load automatically.
The invention has the following advantages:
Expansion card can flexibly select other function on industry ethernet, universal serial bus or master-slave mode cpci bus and backboard
Energy module carries out data interaction, while backboard server being facilitated to carry out Function Extension to the expansion card to improve the expansion of system entirety
Malleability and flexibility.
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, the present embodiment system includes integrated Train Control backboard 1 and 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 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.
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 the expansion card through safety certification after, with the Ethernet on backboard
Bus carries out data exchange；
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.
Correspondingly, expansion card disclosed in the present embodiment can flexibly select industry ethernet, universal serial bus or master-slave mode
Other function module on cpci bus and backboard carries out data interaction, while backboard server being facilitated to carry out function to the expansion card
It can extend to improve the scalability and flexibility of system entirety.
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 expansion card characterized by comprising
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. expansion card according to claim 1, which is characterized in that further include:
The safety certification unit is additionally provided with the correlator that audible and visual alarm is exported after the failure of CPCI main control module safety certification
Part.
3. expansion card according to claim 2, which is characterized in that further include:
Slot position on the backboard is by identical Design of Signal for mixed insertion.
4. expansion card according to claim 3, which is characterized in that be installed at least one connection power supply on the backboard
Manage bus, industry ethernet, cpci bus and universal serial bus and the backboard server for integrating each bus scheduling function, with
In: supervise each slot position institute grafting expansion card hot plug and program load, and the expansion card through safety certification after, if
It sets and supervises the selection of the communication bus between each slot position institute grafting expansion card and switching, more master modes based on application control are moved
State building and the intelligence switching of CPCI main control module.
5. expansion card according to claim 4, which is characterized in that the intelligence switching of the CPCI main control module is based on each expansion
Load-balancing mechanism between exhibition card is made.
6. expansion card according to claim 5, which is characterized in that the universal serial bus is passed using customized differential serial
It is defeated, and the custom protocol based on safety certification is preset in the backboard server for from the expansion card of each slot position institute grafting
One is selected to be determined as CPCI main control module and load identified CPCI main control module progress safe authentication procedure automatically.
7. expansion card according to any one of claims 1 to 6, which is characterized in that the expansion card is interior equipped with data link
The function card of layer and the custom protocol stack of the direct-connected data channel of application layer, and support the data frame base of the custom protocol stack
The fast data exchange between the industry ethernet carries out plate in the backboard.
8. expansion card according to claim 7, which is characterized in that the expansion card include it is below any one or it is 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422911.8A CN109683676B (en) | 2018-11-27 | 2018-11-27 | Expansion card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422911.8A CN109683676B (en) | 2018-11-27 | 2018-11-27 | Expansion card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109683676A true CN109683676A (en) | 2019-04-26 |
| CN109683676B CN109683676B (en) | 2022-06-17 |
Family
ID=66185485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422911.8A Active CN109683676B (en) | 2018-11-27 | 2018-11-27 | Expansion card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109683676B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448261A (en) * | 2020-03-24 | 2021-09-28 | 株洲中车时代电气股份有限公司 | Network control system of locomotive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488101A (en) * | 2008-01-18 | 2009-07-22 | 研祥智能科技股份有限公司 | CPCI redundancy stand-by system |
| CN202710990U (en) * | 2012-08-16 | 2013-01-30 | 中国电子科技集团公司第三十八研究所 | Airborne radar monitoring system based on CPCI bus |
| CN204009877U (en) * | 2014-06-11 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of integrated data collection and control device |
| CN204291017U (en) * | 2014-12-16 | 2015-04-22 | 沈阳铁路信号有限责任公司 | The monitoring equipment of communication in railroad train control system |
| CN105391611A (en) * | 2015-12-23 | 2016-03-09 | 中车大连机车研究所有限公司 | Network control module based on FIP communication |
-
2018
- 2018-11-27 CN CN201811422911.8A patent/CN109683676B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488101A (en) * | 2008-01-18 | 2009-07-22 | 研祥智能科技股份有限公司 | CPCI redundancy stand-by system |
| CN202710990U (en) * | 2012-08-16 | 2013-01-30 | 中国电子科技集团公司第三十八研究所 | Airborne radar monitoring system based on CPCI bus |
| CN204009877U (en) * | 2014-06-11 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of integrated data collection and control device |
| CN204291017U (en) * | 2014-12-16 | 2015-04-22 | 沈阳铁路信号有限责任公司 | The monitoring equipment of communication in railroad train control system |
| CN105391611A (en) * | 2015-12-23 | 2016-03-09 | 中车大连机车研究所有限公司 | Network control module based on FIP communication |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448261A (en) * | 2020-03-24 | 2021-09-28 | 株洲中车时代电气股份有限公司 | Network control system of locomotive |
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| Publication number | Publication date |
|---|---|
| CN109683676B (en) | 2022-06-17 |
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