CN105897539A - MVB ring network with roundabout path redundancy - Google Patents
MVB ring network with roundabout path redundancy Download PDFInfo
- Publication number
- CN105897539A CN105897539A CN201610176021.8A CN201610176021A CN105897539A CN 105897539 A CN105897539 A CN 105897539A CN 201610176021 A CN201610176021 A CN 201610176021A CN 105897539 A CN105897539 A CN 105897539A
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- Prior art keywords
- mvb
- redundancy
- loop wire
- ring network
- node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses an MVB ring network with a roundabout path redundancy, wherein the ring network supports an MVB main device in dynamic reconnection. The MVB ring network comprises a plurality of nodes, a first redundant loop line, and a second redundant loop line. The first redundant loop line and the second redundant loop line are connected in parallel and are connected in series with the multiple nodes successively. Each node consists of a multifunctional vehicle bus controller and terminal circuits; the multifunctional vehicle bus controllers are connected with the multiple terminal circuits electrically by the first redundant loop line and the second redundant loop line; and the first redundant loop line and the second redundant loop line are connected in series with the terminal circuits in each node successively. In each node, a crossed control circuit is formed between the first redundant loop line and the second redundant loop line. According to the invention the MVB ring network has the following beneficial effects: the MVB ring network can identify a breaking point position of an MVB bus line automatically; and usability of the MVB ring network and the MVB bus completeness can be guaranteed.
Description
Technical field
The present invention relates in train communication technical field, the MVB ring of a kind of band circuitous path redundancy
Shape net.
Background technology
MVB (MVB) is that one is mainly used in (but being also not fully dedicated to) to there being interoperability
Property and interchangeability require interconnection equipment between serial data communications busses.It is currently based on IEC61375 state
The TCN of border standard generally uses MVB to carry out the Control on Communication of vehicle grade, and uses two-wire superfluous
More than carry out system backup.
But, owing to MVB is network bus, any point along the line disconnects and will result in network interruption.For
The failover capability of raising system, it is necessary to increase extra circuit switching mechanism, it is ensured that occur a bit
Or during multipoint circuit fault, can automatically get around line break-point test, it is ensured that the integrity of at least one circuit, with
Maintain proper communication.
Therefore, it is necessary to provide the MVB ring network of a kind of band circuitous path redundancy.
Summary of the invention
The purpose of the present invention is that provides a kind of band circuitous path redundancy to solve the problems referred to above
MVB ring network.
The present invention is achieved through the following technical solutions above-mentioned purpose: the MVB of a kind of band circuitous path redundancy
Ring network, supports the MVB main equipment dynamically heavily joined, including multiple nodes, and for closed circuit with
First redundancy loop wire of the breakpoint on isolation circuit and the second redundancy loop wire, described first redundancy loop wire and institute
State the second redundancy loop line parallel to arrange, and be sequentially connected in series the plurality of node respectively；Each described node bag
Include for providing communication interface and the MVB controller of Communications service and multiple for each equipment
For introducing the terminating circuit of terminal resistance in described node, described MVB controller leads to
Cross described first redundancy loop wire and described second redundancy loop wire electrically connects with the plurality of terminating circuit, and institute
State the first redundancy loop wire and terminal electricity that described second redundancy loop wire is sequentially connected in series in each described node respectively
Road；In each described node, it is formed between described first redundancy loop wire and described second redundancy loop wire
For merging described first redundancy loop wire and the cross-over control circuit of described second redundancy loop wire.
Preferably, in each described node, described MVB controller and the plurality of end
Terminal circuit also connects setting.
Preferably, described terminating circuit is the throwing introducing terminal resistance at the bus end equipment of described node
Enter/cut-off circuit.
Preferably, each described node is provided with the described terminating circuit that two concatenations are arranged.
Preferably, described first redundancy loop wire and described second redundancy loop wire are closed circuits.
The invention has the beneficial effects as follows: described first redundancy loop that described MVB ring network is arranged in parallel
Line and described second redundancy loop wire are sequentially connected in series the plurality of node respectively；And in each described node
It is provided at the bus end equipment of described node the terminal electricity introducing terminal resistance to reduce signaling reflex
Road, and the described first redundancy loop wire of fusion and the cross-over control circuit of described second redundancy loop wire are set,
So that described MVB ring network can be received by described first redundancy loop wire and described second redundancy loop wire
The state message of the described node arrived, judges the connectedness of adjacent described node；And combine given
Network topology situation, described MVB line break-point test position can be identified automatically.
And, described MVB ring network, can be by relevant information after judging and confirming line break-point test position
It is aggregated at bus host node, and for principle, described MVB is carried out with maximum availability by host node
Repair；Interdependent node closed circuit can also be instructed, or carry out circuit switching, and control terminal resistance
Access, to ensure the availability of described MVB ring network；And
Additionally, described MVB ring network can ensure that under any circumstance, within occurring 3, (comprise 3
Individual) line break-point test do not interfere with described MVB proper communication；When trouble point is more than 3, pass through
Described first redundancy loop wire and the intersection of described second redundancy loop wire and loop Guan Bi can get around to greatest extent
Each breakpoint, maximum possible ensures described MVB integrity.
Accompanying drawing explanation
Fig. 1 is the MVB main equipment dynamically heavily joined and the connection diagram between equipment；
Fig. 2 is the structural representation of the MVB ring network of the band circuitous path redundancy that the embodiment of the present invention provides；
In figure: 100, MVB ring network, 10, node, the 20, first redundancy loop wire, the 30, second redundancy
Loop wire, 40, cross-over control circuit, 11, MVB controller, 12, terminating circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It is the MVB main equipment dynamically heavily joined and the company between equipment please refer to Fig. 1 and Fig. 2, Fig. 1
Connecing schematic diagram, Fig. 2 is the structure of the MVB ring network of the band circuitous path redundancy that the embodiment of the present invention provides
Schematic diagram.The MVB ring network 100 of the band circuitous path redundancy that the present invention provides can apply to city rail
Road train, locomotive, EMUs etc. use in the train that MVB is communicatively coupled.And, described
MVB ring network 100 supports the MVB main equipment dynamically heavily joined.Described MVB ring network 100 includes multiple joint
Point 10, and for closed circuit to isolate the first redundancy loop wire 20 and the second redundancy of the breakpoint on circuit
Loop wire 30.Described first redundancy loop wire 20 and described second redundancy loop wire 30 are arranged in parallel, and depend on respectively
The plurality of node of secondary series connection 10.
Each described node 10 includes for providing the multi-functional of communication interface and Communications service for each equipment
Vehicle bus controller (MVBC) 11 and multiple terminal for introducing terminal resistance in described node 10
Circuit 12.Described MVB controller 11 is by described first redundancy loop wire 20 and described
Two redundancy loop wires 30 electrically connect with the plurality of terminating circuit 12.Specifically, at each described node 10
In, described MVB controller 11 and the plurality of terminating circuit 12 also connect setting.
In the present embodiment, described terminating circuit 12 is the input/cut-off circuit of terminal resistance, Ke Yitong
Cross described input/cut-off circuit and at the bus end equipment of described node 10, introduce terminal resistance to reduce letter
Number reflection.Preferably, each described node 10 is provided with the described terminating circuit 12 that two concatenations are arranged.
Described first redundancy loop wire 20 is closed circuit, and is sequentially connected in series the end in each described node 10
Terminal circuit 12, and electrically connect with described MVB controller 11.Described second redundancy loop wire
30 is closed circuit, and is sequentially connected in series the terminating circuit 12 in each described node 10, and many with described
Function vehicle bus controller 11 electrically connects.
Wherein, in each described node 10, described first redundancy loop wire 20 and described second redundancy loop
It is formed between line 30 for merging described first redundancy loop wire 20 and the friendship of described second redundancy loop wire 30
Fork control circuit 40.In the present embodiment, described cross-over control circuit 40 and said two terminating circuit
12 concatenations are arranged.Described cross-over control circuit 40 can be at described first redundancy loop wire 20 or described second
When all multiple breakpoint occurring on redundancy loop wire 30, by crossing elimination, the two is fused into a communication line,
Described MVB ring network 100 availability is ensured in the way of by by-pass breakpoint.
The operation principle of described cross-over control circuit 40 is specific as follows:
If described MVB ring network 100 normally works, at the bus end equipment of each described node 10
Putting into terminal resistance, and open-loop connects, the crossing elimination control circuit of each equipment resets, described MVB
Bus is at conventional featuring diplonema redundancy MODE of operation；
If the system detects that single-point line fault, by closing the loop of corresponding line, institute can be recovered
State the featuring diplonema redundancy communication of MVB；When at line fault is more than twice, then to ensure at least one line
Road is through for target, and crossing elimination or loop Guan Bi by described cross-over control circuit 40 get around circuit
Breakpoint；
If network topology changes, the loop closing point of each equipment and the end of described terminating circuit 12
Control is thrown/cut to end resistance by automatically carrying out, and to ensure the topological form of described MVB, and only ensures
The terminal at bus end equipment is had to be put into.
Compared to prior art, the MVB ring network 100 that the present invention provides arrange in parallel described the
One redundancy loop wire 20 and described second redundancy loop wire 30 are sequentially connected in series the plurality of node 10 respectively；And
In each described node 10, it is provided at the bus end equipment of described node 10 introducing terminal resistance
To reduce the terminating circuit 12 of signaling reflex, and the described first redundancy loop wire 20 of fusion and described the is set
The cross-over control circuit 40 of two redundancy loop wires 30, has as follows so that described MVB ring network 100 has
Benefit effect:
Described MVB ring network 100 can be by described first redundancy loop wire 20 and described second redundancy loop wire
The state message of the 30 described nodes 10 received, judges the connectedness of adjacent described node 10；
And combine given network topology situation, described MVB line break-point test position can be known automatically
Not；
Relevant information, after judging and confirming line break-point test position, can be converged by described MVB ring network 100
Total at bus host node, and for principle, described MVB is repaiied with maximum availability by host node
Multiple；Interdependent node closed circuit can also be instructed, or carry out circuit switching, and control connecing of terminal resistance
Enter, to ensure the availability of described MVB ring network 100；And
Described MVB ring network 100 can ensure that under any circumstance, within occurring 3 (comprising 3)
Line break-point test do not interfere with described MVB proper communication；When trouble point is more than 3, by described
First redundancy loop wire 20 and the intersection of described second redundancy loop wire 30 and loop Guan Bi can to greatest extent around
Opening each breakpoint, maximum possible ensures described MVB integrity.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment,
And without departing from the spirit or essential characteristics of the present invention, it is possible to real in other specific forms
The existing present invention.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and
Being nonrestrictive, the scope of the present invention is limited by claims rather than described above, therefore purport
All changes in falling in the implication of equivalency and scope of claim are included in the present invention.
Should not be considered as limiting involved claim by any reference in claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, but the most each reality
Mode of executing only comprises an independent technical scheme, and this narrating mode of description is only for understand
Seeing, those skilled in the art should be using description as an entirety, and the technical scheme in each embodiment is also
Other embodiments that it will be appreciated by those skilled in the art that can be formed through appropriately combined.
Claims (5)
1. a MVB ring network for band circuitous path redundancy, supports the MVB main equipment dynamically heavily joined, its
It is characterised by: include multiple node (10), and for closed circuit with the breakpoint on isolation circuit
First redundancy loop wire (20) and the second redundancy loop wire (30), described first redundancy loop wire (20) and institute
State the second redundancy loop wire (30) to be arranged in parallel, and be sequentially connected in series the plurality of node (10) respectively；
Each described node (10) includes for providing communication interface and Communications service many for each equipment
Function vehicle bus controller (11) and multiple for introducing terminal resistance in the described node (10)
Terminating circuit (12), described MVB controller (11) is by described first redundancy loop wire
(20) electrically connect with the plurality of terminating circuit (12) with described second redundancy loop wire (30), and institute
State the first redundancy loop wire (20) and described second redundancy loop wire (30) is sequentially connected in series each described joint respectively
Terminating circuit (12) in point (10)；
In each described node (10), described first redundancy loop wire (20) and described second redundancy loop
It is formed between line (30) for merging described first redundancy loop wire (20) and described second redundancy loop wire
(30) cross-over control circuit (40).
The MVB ring network of a kind of band circuitous path redundancy the most according to claim 1, its feature exists
In: in each described node (10), described MVB controller (11) is with described many
Individual terminating circuit (12) also connects setting.
The MVB ring network of a kind of band circuitous path redundancy the most according to claim 1 and 2, it is special
Levy and be: described terminating circuit (12) is introducing terminal at the bus end equipment of described node (10)
Input/the cut-off circuit of resistance.
The MVB ring network of a kind of band circuitous path redundancy the most according to claim 3, its feature exists
In: each described node (10) is provided with the described terminating circuit (12) that two concatenations are arranged.
5., according to the MVB ring network of a kind of band circuitous path redundancy described in claim 1 or 4, it is special
Levy and be: described first redundancy loop wire (20) and described second redundancy loop wire (30) are closed circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176021.8A CN105897539A (en) | 2016-03-24 | 2016-03-24 | MVB ring network with roundabout path redundancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176021.8A CN105897539A (en) | 2016-03-24 | 2016-03-24 | MVB ring network with roundabout path redundancy |
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| Publication Number | Publication Date |
|---|---|
| CN105897539A true CN105897539A (en) | 2016-08-24 |
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ID=57014243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176021.8A Pending CN105897539A (en) | 2016-03-24 | 2016-03-24 | MVB ring network with roundabout path redundancy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771100A (en) * | 2017-07-07 | 2020-02-07 | 欧姆龙株式会社 | Control system and control method |
| CN113810258A (en) * | 2020-06-17 | 2021-12-17 | 南京南瑞继保电气有限公司 | A Control System Based on N-by-N Redundant Network Topology |
| CN114143139A (en) * | 2021-11-30 | 2022-03-04 | 陕西中源智控科技有限公司 | Rubber belt conveyor protection system and method based on hardware redundancy packet communication |
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2016
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Patent Citations (5)
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| CN1245604A (en) * | 1996-12-06 | 2000-02-23 | 科尔科迪亚技术股份有限公司 | Inter-ring cross-connect for survivable multi-wavelength optical communication networks |
| CN101277152A (en) * | 2007-03-27 | 2008-10-01 | 闫晓峰 | Annular double-bus redundancy protection architecture of passive optical network |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771100A (en) * | 2017-07-07 | 2020-02-07 | 欧姆龙株式会社 | Control system and control method |
| CN110771100B (en) * | 2017-07-07 | 2022-04-05 | 欧姆龙株式会社 | Control system and control method |
| US11563599B2 (en) | 2017-07-07 | 2023-01-24 | Omron Corporation | Control system and control method |
| CN113810258A (en) * | 2020-06-17 | 2021-12-17 | 南京南瑞继保电气有限公司 | A Control System Based on N-by-N Redundant Network Topology |
| CN113810258B (en) * | 2020-06-17 | 2022-05-17 | 南京南瑞继保电气有限公司 | Control system based on N-by-N redundant network topology structure |
| CN114143139A (en) * | 2021-11-30 | 2022-03-04 | 陕西中源智控科技有限公司 | Rubber belt conveyor protection system and method based on hardware redundancy packet communication |
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Application publication date: 20160824 |
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