CN104079396B - network redundancy structure - Google Patents
network redundancy structure Download PDFInfo
- Publication number
- CN104079396B CN104079396B CN201410334031.0A CN201410334031A CN104079396B CN 104079396 B CN104079396 B CN 104079396B CN 201410334031 A CN201410334031 A CN 201410334031A CN 104079396 B CN104079396 B CN 104079396B
- Authority
- CN
- China
- Prior art keywords
- sub
- control station
- network
- spine switches
- data
- 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.)
- Active
Links
Abstract
The present invention relates to a kind of network redundancy structure, the subring net formed respectively comprising the M data switching exchanes being sequentially connected comprising overall control center, N number of sub-control station, and each sub-control station；Overall control center includes the first and second core switch；Each sub-control station also includes and sends the data of respective sub-control station data switching exchane to the first spine switches of the first core switch, sends the data of respective sub-control station data switching exchane to the second spine switches of the second core switch respectively；First spine switches of each sub-control station are sequentially connected with the first core switch forms the first looped network, and the second spine switches and the second core switch of each sub-control station, which are sequentially connected, forms the second looped network；First looped network is attached by the subring net in respective sub-control station with described.Compared with the existing technology, each spine switches on the first and second looped networks carry out the mutual transmission of data by the subring net in each sub-control station, ensure data in transmission with higher reliability.
Description
Technical field
The present invention relates to a kind of computer network architecture, more particularly to a kind of network redundancy structure.
Background technology
At present, because the development of industrial automation control system network structure is more and more decentralized, simultaneity factor is more and more multiple
It is miscellaneous, inside connection increasingly high speed, close mode, while replacing fieldbus using EPA, to EPA
Reliability requirement also more and more higher.
Because EPA is a kind of ripe, quick procotol, message transmission rate 10/100/1000Mb/
S, ever-increasing industrial information data communication needs can be met, be the core network of industrial control field, have higher
Communication bandwidth.
Also, because EPA is to be applied to field apparatus control network, realize Enterprise information system and control net
The fusion of network, promote the integrated of whole IT application in enterprises, realize the seamless connection of scene equipment level and enterprise management level.Control system
EPA is used for the upper strata of industrial control system by system, to realize the communication of high-speed and network interconnection.
But in current Larger Engineering Projects, due to long transmission distance, high to reliability requirement, in the presence of a harsh environment with
The circuit netted very much is fragile, how to ensure the real-time of data and reduces line fault and equipment fault as far as possible to communication network
The influence of network, it is current problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of network redundancy structure, can make data during long range is transmitted, energy
Enough ensure the real-time and reliability of data transfer.
In order to solve the above technical problems, the invention provides a kind of network redundancy structure, comprising overall control center, N number of to institute
State the sub-control station that overall control center sends data；Wherein, the N is natural number；And each sub-control station respectively is sequentially connected comprising M
The subring net that data switching exchane is formed；Wherein, the M is natural number；
The overall control center includes the first core switch and the second core for being used for receiving each sub-control station subring network data
Interchanger：
Each sub-control station also includes and sends the data of the subring net of respective sub-control station to first core switch respectively
The first spine switches, the data of the subring net of respective sub-control station are sent to the second trunk of second core switch
Interchanger；
First spine switches of each sub-control station and the first core switch of the overall control center are sequentially connected composition the
One looped network；Second spine switches of each sub-control station are sequentially connected composition second with the second core switch of the overall control center
Looped network；
First looped network is attached by the subring net in respective sub-control station and second looped network, and described first
Each second spine switches in each first spine switches and second looped network on looped network pass through the son in each sub-control station
Looped network carries out the mutual transmission of data.
Embodiments of the present invention in terms of existing technologies, are handed over due to being respectively equipped with the first trunk in each sub-control station
Change planes and the second spine switches, and correspond to the first spine switches in each sub-control station and the second master respectively in overall control center
Dry interchanger is respectively equipped with the first core switch and the second core switch, and the first spine switches in each sub-control station with
First core switch of overall control center, which is sequentially connected, forms the first looped network, the second spine switches and master control in each sub-control station
Second core switch at center, which is sequentially connected, forms the second looped network, and the first looped network and the second looped network can pass through respective sub-control station
Interior subring net carries out the mutual transmission of data.So as to which when in the first looped network if any circuit failure point, the event can be passed through
The data that the first corresponding spine switches of barrier point will be transmitted in the interchanger are directly sent to and the road by subring net
As the second spine switches corresponding to device, the transmission of data is carried out by the second looped network by the second spine switches, otherwise work as
When in the second looped network if any circuit failure point, also the second spine switches corresponding to the trouble point can be will be transmitted to this
Data in interchanger directly by subring net be sent to the first spine switches corresponding to the router, by the first trunk
Interchanger carries out the transmission of data by the first looped network.So as to ensure that real-time of the data when long range is transmitted and reliable
Property.
Further, since each data switching exchane in sub-control station forms subring net successively, and the subring net is respectively with first
Spine switches and the second spine switches are attached, so that the first spine switches and the second spine switches can divide
The data that each data switching exchane uploads in load looped network are to ensure reliable data transmission or data are transmitted in time, and group
In looped network if any circuit break down point when, the number that will can be sent to originally in the first spine switches or the second spine switches
A spine switches are sent to according to concentration, so as to further ensure the reliability of data transfer.
Further, it is additionally provided with the sub-control station and is handed over respectively with first spine switches and second trunk
Change planes the work station and/or server of connection.Can be in each sub-control station by the work station in each sub-control station and/or server
The data that subring net is uploaded are stored, to be backed up to the data transmitted by the subring net in each sub-control station, so as to
Further increase the safety and reliability of whole network redundancy structure.
In addition, the overall control center is also comprising the first communication optical transmitter and receiver and the first router；Wherein, first Communication ray
Terminal connects the signal input part of the first router, the signal output part of the first router respectively with described first and
Second core switch is attached；Each sub-control station also includes respectively：Audio frequency apparatus, with the audio frequency apparatus it is connected to receive
Second communication optical transmitter and receiver of the voice data that the audio frequency apparatus is sent；Second communication optical transmitter and receiver of each sub-control station and the master control
The first communication optical transmitter and receiver at center is sequentially connected forms the 3rd looped network, and the second communication optical transmitter and receiver in each sub-control station will receive
Voice data is sent to the first communication optical transmitter and receiver by the 3rd looped network, passes through described second by the described first communication optical transmitter and receiver
Router is sent to first and second core switch.It is used to transmit sound due to being additionally provided with each sub-control station and overall control center
The communication optical transmitter and receiver of frequency evidence, and the communication optical transmitter and receiver in each sub-control station is sequentially connected structure with the communication optical transmitter and receiver in overall control center
Into the 3rd looped network, the network redundancy structure that may be such that the present invention by the 3rd looped network can be transmitted specifically for voice data,
The pressure transmitted with sharing data.
Further, the network redundancy structure is also comprising the second router being separately positioned in each sub-control station；Wherein,
The second router in each sub-control station is logical with the first spine switches in each sub-control station, the second spine switches and second respectively
Letter optical transmitter and receiver is attached.Due to further respectively having the second router, and the second router in each sub-control station in each sub-control station
The optical transmitter and receiver that communicated respectively with the first spine switches in each sub-control station, the second spine switches and second is attached, so as to
So that when in the 3rd looped network if any circuit failure point, be able to will be transmitted by the second communication optical transmitter and receiver corresponding to the trouble point
Data in the communication optical transmitter and receiver are directly sent to and first corresponding to the second router or by the second router
In two spine switches, the transmission of data is carried out as the looped network corresponding to the first or second spine switches, so as to further protect
Real-time and reliability of the data when long range is transmitted are demonstrate,proved.
Also, in order to meet actual use demand, the audio frequency apparatus can include phone, Web broadcast communication apparatus
Deng device.
Further, the overall control center also includes the 3rd core switch；Each sub-control station also includes respectively：Shooting is set
3rd spine switches of video data standby, for receiving the picture pick-up device transmission.
Wherein, threeth spine switches of the second router in each sub-control station respectively with each sub-control station are attached；And
3rd spine switches of each sub-control station are sequentially connected with the 3rd core switch of the overall control center and form the 4th looped network, respectively
The video data received is sent to the 3rd core by the 4th looped network and exchanged by the 3rd spine switches in sub-control station
Machine.Also, the second router in each sub-control station is attached with the 3rd spine switches of each sub-control station respectively, the described 4th
Looped network carries out the mutual biography of data by the second router of each sub-control station with first looped network and second looped network respectively
Pass.Due to being additionally provided with picture pick-up device and the 3rd spine switches for transmitting video data, and each sub-control in each sub-control station
The 3rd spine switches in standing, which are sequentially connected, forms the 4th looped network, and the network redundancy structure of the present invention can be made by the 4th looped network
It can be transmitted specifically for video data, pressure during alleviating data transfer.And the 3rd trunk in each sub-control station exchanges
Machine is attached with the second router in each sub-control station respectively, so as to work as in the first looped network and/or the second looped network if any circuit
During failure point, it can be will be transmitted to by first corresponding to the trouble point and/or the second spine switches in the interchanger
Data directly by the second router be sent to the 3rd spine switches corresponding to the second router, by the 3rd master
Dry interchanger carries out the transmission of data by the 4th looped network, so as to further ensure real-time of the data when long range is transmitted
And reliability.
Further, the video work station being connected with the 3rd spine switches is additionally provided with the sub-control station.With side
Just the content captured by picture pick-up device is made a backup store.
Also, in order to meet actual use demand, the picture pick-up device can include IP Camera and network is recorded a video
The equipment such as machine.
Brief description of the drawings
Fig. 1 is the system module block diagram of the network redundancy structure of first embodiment of the invention；
Fig. 2 is the system module block diagram of the network redundancy structure of second embodiment of the invention；
Fig. 3 is the system module block diagram of the network redundancy structure of third embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, each reality below in conjunction with accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order that reader more fully understands the application and proposes many ins and outs.But even if without these ins and outs and base
Many variations and modification in following embodiment, each claim of the application technical side claimed can also be realized
Case.
The present invention first embodiment be related to a kind of network redundancy structure, as shown in figure 1, comprising overall control center, three
The sub-control station of data is sent to overall control center, and multiple data switching exchane institute structures being sequentially connected are included respectively in each sub-control station
Into subring net.Specifically the species of the data switching exchane in each subring net can include gate control industrial switch, clear
Dirty machine control industrial switch, electric monitoring station industrial switch, water quality monitoring station industrial switch, water pump control industry exchange
Machine, common equipment control industrial switch, power monitoring station industrial switch, Automatic Dosing control industrial switch, engineering peace
Full monitoring industrial switch etc. so that the network redundancy structure of present embodiment may be directly applied to the communication network of industrial automation
Network.
In addition, overall control center includes the first core switch and second for being used for receiving each sub-control station data switching exchane data
Core switch.
It is noted that in the present embodiment, each sub-control station is also included in the subring net of respective sub-control station respectively
Data send to the first spine switches of the first core switch, by the data in the subring net of respective sub-control station send to
Second spine switches of the second core switch, for by the first spine switches and the second spine switches of each sub-control station
The first router being connected with each other.
Wherein, the first spine switches of each sub-control station and the first core switch of overall control center are sequentially connected composition
One looped network, the second spine switches of each sub-control station and the second core switch of overall control center, which are sequentially connected, forms the second ring
Net.And first looped network by the subring net in respective sub-control station with being attached with the second looped network,
In real work, each second trunk in each first spine switches and the second looped network on the first looped network exchanges
Machine carries out the mutual transmission of data by the subring net in each sub-control station.
Specifically, it is jointly each to share by the first looped network and the second looped network when data are in normal transmitting procedure
The data that data switching exchane is sent in sub-control station, eventually through the first core switch and the second core switch of overall control center
Data are uploaded to the servers such as database scheduling, communication service, water quality/collection respectively, so that whole data transfer is more high
Effect.
And when failure is put in the circuit of the first looped network, it can be incited somebody to action as the first spine switches corresponding to the trouble point
Send to the data in first spine switches and sent by the subring net being connected with first spine switches to right therewith
The second spine switches answered, its data is sent to by the second core switch by the second looped network by the second spine switches.
Conversely, when failure point in the circuit of the second looped network, can be exchanged as the second trunk corresponding to the trouble point
Machine will send to the data of second spine switches and be sent by the subring net being connected with second spine switches to therewith
Corresponding first spine switches, its data is sent to by the first core by the first looped network by the first spine switches and exchanged
Machine.So as to ensure that real-time and reliability of the data when long range is transmitted, prevent in the presence of a harsh environment due to certain section of circuit
Damage, the phenomenon for causing data not transmit.
In addition, it is seen that, because whole network redundancy structure is carried out data transmission by dual-ring network.So as to when first
When a trouble point only occurs respectively in circuit in looped network and the second looped network, it can also be handed over as the first trunk corresponding to the trouble point
Changing planes will send to the data of first spine switches and the second spine switches respectively by the with the second spine switches
One looped network and the second looped network are reversely sent to the first core switch and the second core switch.
Further, since by the data switching exchane in each sub-control station be interconnected to constitute successively respectively with respective sub-control station
The subring net that is connected with the second spine switches of the first spine switches.So that the first trunk in each sub-control station is handed over
Change planes can share each data switching exchane uploads in subring net data with the second spine switches with ensure reliable data transmission or
Data are transmitted in time.
And when in group looped network if any circuit failure point, it will can originally be sent to the first spine switches or the second master
Another spine switches is sent in data set in dry interchanger, so as to further ensure the reliability of data transfer.
As shown in the above, in the network redundancy structure of present embodiment, it is made up of the first looped network and the second looped network
Bicyclic web frame at most can reach 5 trouble points, the first or second spine switches of respectively each sub-control station, with each sub-control
2 connected route roads of first spine switches of standing, 2 route roads being connected with each spine switches of sub-control station second.And dual-ring network
It at most can reach 3 trouble points in the circuit being connected with subring net, the first or second spine switches of respectively each sub-control station,
Any one section of circuit in circuit that subring net in each sub-control station is connected with the first or second spine switches, subring net.From
And, when above-mentioned trouble point occurs in the network redundancy structure of present embodiment, the normal operation of whole system will not be caused
Influence.
Also, work station and/or service for data storage in the present embodiment, are additionally provided with each sub-control station
Device, and each the work station in sub-control station and/or server are led with the first spine switches in each sub-control station and second respectively
Dry interchanger is attached.It follows that can be to the son in each sub-control station by the work station in each sub-control station and/or server
The data that looped network is uploaded are stored, to be backed up to the data transmitted by the subring net in each sub-control station, so as to enter
One step improves the safety and reliability of whole network redundancy structure.
In addition, it is noted that in the present embodiment, printing can be set in each sub-control station and in overall control center
Machine.Wherein, the printer in each sub-control station can be connected with the first spine switches or the second spine switches, and overall control center
Printer can be attached with the first core switch or the second core switch.Can be to the son in each sub-control station by printer
The relevant documentation that looped network is uploaded is printed, so as to widen the application of whole network redundancy structure.
Also, according to above-mentioned embodiment it is seen that, by the first spine switches and overall control center in each sub-control station
The first looped network for forming of the first core switch, and the by the second spine switches in each sub-control station and overall control center
The second looped network that two core switch are formed, its network environment can select 100,000,000 or kilomega network according to the work requirements of reality
Network.
It should be noted that in the present embodiment, sub-control station is only illustrated exemplified by three, in actual applications,
More sub-control stations can also be included.
Second embodiment of the present invention is related to a kind of network redundancy structure, and second embodiment is in first embodiment
On the basis of done further improvement, it, which is mainly improved, is：As shown in Fig. 2 in the present embodiment, overall control center also includes
First communication optical transmitter and receiver and the first router.Wherein, the signal input part of the first communication optical transmitter and receiver connection the first router, and the
The signal output part of one router is attached with the first and second core switch respectively.
And each sub-control station also includes respectively：First audio frequency apparatus, the first sound of reception is connected to the first audio frequency apparatus
Second communication optical transmitter and receiver of the voice data that frequency equipment is sent.Wherein, the second communication optical transmitter and receiver and master control in each sub-control station
The first communication optical transmitter and receiver in center, which is sequentially connected, forms the 3rd looped network.
Data are in the transmitting procedure of reality, the second voice data that will receive of communication optical transmitter and receiver in each sub-control station
First communication optical transmitter and receiver is sent to by the 3rd looped network, first and the are uploaded to by the first router by the first communication optical transmitter and receiver
Two core switch, then the servers such as scheduling, communication service, water quality/collection are uploaded to by the first and second core switch, by
The servers such as scheduling, communication service, water quality/collection store to the voice data of correlation.
By the above, it is used to transmit voice data due to being additionally provided with each sub-control station and overall control center
Communication optical transmitter and receiver, and the communication optical transmitter and receiver in the communication optical transmitter and receiver and overall control center in each sub-control station is sequentially connected composition the
Three looped networks, the network redundancy structure that may be such that present embodiment by the 3rd looped network can be transmitted specifically for voice data,
The pressure transmitted with sharing data.
In addition, it is noted that the network redundancy structure of present embodiment is also comprising being separately positioned in each sub-control station
The second router.Wherein, the second router in each sub-control station respectively with the first spine switches in each sub-control station, second
Spine switches and the second communication optical transmitter and receiver are attached, so that the 3rd looped network can pass through the second router of each sub-control station
Respectively unidirectional data transfer is carried out with the first looped network and the second looped network.
Specifically, because the second router of the second communication optical transmitter and receiver respectively with each sub-control station in each sub-control station is carried out
Connection, so that when there is circuit failure point in the 3rd looped network, the second Communication ray corresponding to the trouble point can be passed through
The data that terminal will be transmitted in the communication optical transmitter and receiver directly by the second router be sent to the second router corresponding to
The first or second spine switches, as corresponding to the first or second spine switches looped network carry out data transmission, so as to
Further ensure real-time and reliability of the data when long range is transmitted.
In addition, in the present embodiment, the second sound being connected with the first communication optical transmitter and receiver is additionally provided with overall control center
Frequency equipment.Specifically, the second audio frequency apparatus can also include the devices such as phone, Web broadcast communication apparatus, so that master control
Center also can individually carry out the function of voice communication.
Also, according to above-mentioned embodiment it is seen that, by the second communication optical transmitter and receiver and overall control center in each sub-control station
First communication optical transmitter and receiver form the 3rd looped network, its network environment can according to reality work requirements selection select 100,000,000 or thousand
Million networks.
Third embodiment of the present invention is related to a kind of network redundancy structure, and the 3rd embodiment is in second embodiment
On the basis of done further improvement, it, which is mainly improved, is：As shown in figure 3, in the present embodiment, also set in overall control center
There is the 3rd core switch, and picture pick-up device, the video data for receiving picture pick-up device transmission are additionally provided with each sub-control station
The 3rd spine switches.
Wherein, the 3rd core switch of the 3rd spine switches in each sub-control station and overall control center is sequentially connected structure
Into the 4th looped network.Data are during transmission, video data that the 3rd spine switches in each sub-control station will receive
3rd core switch is sent to by the 4th looped network.
As shown in the above, the network redundancy structure that can make present embodiment by the 4th looped network can be specifically for video
Data are transmitted, pressure during alleviating data transfer.Wherein, picture pick-up device can be IP Camera.Also, each sub-control
The video work station being connected with the 3rd spine switches in respective sub-control station can be also provided with standing, to facilitate to IP Camera
Captured content makes a backup store.
In addition, it is noted that in the present embodiment, the second router in each sub-control station respectively with each sub-control station
The 3rd spine switches be attached.In real work, the 4th looped network can be distinguished by the second router of each sub-control station
The mutual transmission of data is carried out with the first looped network and the second looped network.
It follows that when in the first looped network and/or the second looped network if any circuit failure point, the trouble point can be passed through
The data that the first and/or second corresponding spine switches will be transmitted in the interchanger are directly sent by the second router
To with the 3rd spine switches corresponding to the router, by the 3rd spine switches by the 4th looped network carry out data biography
Pass, so as to further ensure real-time and reliability of the data when long range is transmitted.
Conversely, when in the 4th looped network if any circuit failure point, it can also pass through the 3rd master corresponding to the trouble point
The data that dry interchanger will be transmitted in the interchanger directly by the second router be sent to the second router corresponding to
The first or second spine switches, by first or second spine switches by the first or second looped network carry out data biography
Pass, so as to further ensure real-time and reliability of the data when long range is transmitted.
In addition, in the present embodiment, the video being connected with the 3rd core switch also can be equally set in overall control center
The large storage facilities such as work station and video server.So that obtained from the video data that each sub-control station uploads to overall control center
With backup.Also, the video server can be also attached with the first core switch, so as to realize the video in overall control center
Data transfer between the server such as server and database scheduling, communication service, water quality/collection, and pass through Video service
Device can carry out data backup storage to servers such as the database scheduling in overall control center, communication service, water quality/collections.
Also, according to above-mentioned embodiment it is seen that, by the 3rd spine switches and overall control center in each sub-control station
The 3rd core switch form the 4th looped network, its network environment can according to reality work requirements selection select 100,000,000 or thousand
Million networks.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of network redundancy structure, include overall control center, N number of sub-control station that data are sent to the overall control center；Wherein, institute
It is the natural number more than or equal to 3 to state N, it is characterised in that：Each sub-control station is respectively comprising the M data switching exchane institutes being sequentially connected
The subring net of composition；Wherein, the M is natural number；
The overall control center includes the first core switch for being used for receiving each sub-control station subring network data and the second core exchanges
Machine；
Each sub-control station also includes and sends the data of the subring net of respective sub-control station to the of first core switch respectively
One spine switches, the second trunk for sending the data of the subring net of respective sub-control station to second core switch exchange
Machine；
First spine switches of each sub-control station are sequentially connected with the first core switch of the overall control center and form the first ring
Net；Second spine switches of each sub-control station are sequentially connected with the second core switch of the overall control center and form the second ring
Net；
First looped network is attached by the subring net in respective sub-control station and second looped network, and first looped network
On each first spine switches and second looped network on each second spine switches pass through the subring net in each sub-control station
Carry out the mutual transmission of data.
2. network redundancy structure according to claim 1, it is characterised in that：Be additionally provided with the sub-control station respectively with institute
State work station and/or server that the first spine switches connect with second spine switches.
3. network redundancy structure according to claim 1, it is characterised in that：The overall control center also includes the first Communication ray
Terminal and the first router；
Wherein, the first communication optical transmitter and receiver connects the signal input part of the first router, the letter of the first router
Number output end is attached with first and second core switch respectively；
Each sub-control station also includes respectively：Audio frequency apparatus and the audio frequency apparatus are connected to receive what the audio frequency apparatus was sent
Second communication optical transmitter and receiver of voice data；
Each sub-control station second communication optical transmitter and receiver with the first of the overall control center communicate optical transmitter and receiver be sequentially connected composition the 3rd ring
The voice data received is sent to first communication by net, the second communication optical transmitter and receiver in each sub-control station by the 3rd looped network
Optical transmitter and receiver, first and second core switch is sent to by the first router by the described first communication optical transmitter and receiver.
4. network redundancy structure according to claim 3, it is characterised in that：The network redundancy structure is also included and set respectively
Put the second router in each sub-control station；
Wherein, the second router in each sub-control station exchanges with the first spine switches in each sub-control station, the second trunk respectively
Machine and the second communication optical transmitter and receiver are attached.
5. network redundancy structure according to claim 3, it is characterised in that：The audio frequency apparatus includes phone and network is wide
Broadcast communication apparatus.
6. network redundancy structure according to claim 4, it is characterised in that：The overall control center is also handed over comprising the 3rd core
Change planes；
Each sub-control station also includes respectively：Network shooting equipment, the video data that is sent for receiving the network shooting equipment
3rd spine switches；
3rd spine switches of each sub-control station are sequentially connected with the 3rd core switch of the overall control center and form Fourth Ring
The video data received is sent to the 3rd core by net, the 3rd spine switches in each sub-control station by the 4th looped network
Interchanger.
7. network redundancy structure according to claim 6, it is characterised in that：The second router in each sub-control station respectively with
3rd spine switches of each sub-control station are attached；
The second router of excessively each sub-control station of Fourth Ring Netcom is carried out with first looped network and second looped network respectively
The mutual transmission of data.
8. network redundancy structure according to claim 6, it is characterised in that：It is additionally provided with each sub-control station and the described 3rd master
The video work station of dry interchanger connection.
9. network redundancy structure according to claim 6, it is characterised in that：The network shooting equipment includes network shooting
Machine and video server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334031.0A CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334031.0A CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104079396A CN104079396A (en) | 2014-10-01 |
| CN104079396B true CN104079396B (en) | 2018-01-30 |
Family
ID=51600455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410334031.0A Active CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104079396B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254200A (en) * | 2016-09-21 | 2016-12-21 | 国网天津市电力公司 | A kind of intelligent substation station level network topology structure |
| CN112445186B (en) * | 2019-09-04 | 2022-10-25 | 西门子电站自动化有限公司 | Factory bus transformation method, factory bus and distributed control system |
| CN110838962B (en) * | 2019-11-18 | 2021-11-12 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Marine network system and marine system |
| CN111694270A (en) * | 2020-06-29 | 2020-09-22 | 江苏核电有限公司 | Single-ring network structure for handling communication double breakpoints of control system of nuclear power plant |
| CN113946141B (en) * | 2020-07-16 | 2022-09-06 | 卡奥斯工业智能研究院(青岛)有限公司 | Network system for production demonstration line and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965635Y (en) * | 2006-09-29 | 2007-10-24 | 上海海得控制系统股份有限公司 | Nuclear power station computer monitor system double loop network |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| CN103324133A (en) * | 2013-06-24 | 2013-09-25 | 宝鸡石油机械有限责任公司 | Drilling machine integrated loop network communication control system based on PLC |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7778205B2 (en) * | 2005-08-30 | 2010-08-17 | Cisco Technology, Inc. | System and method for implementing virtual ports within ring networks |
-
2014
- 2014-07-14 CN CN201410334031.0A patent/CN104079396B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965635Y (en) * | 2006-09-29 | 2007-10-24 | 上海海得控制系统股份有限公司 | Nuclear power station computer monitor system double loop network |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| CN103324133A (en) * | 2013-06-24 | 2013-09-25 | 宝鸡石油机械有限责任公司 | Drilling machine integrated loop network communication control system based on PLC |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104079396A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104079396B (en) | network redundancy structure | |
| CN103684954B (en) | The industrial communication systems of energy redundant operation and the method for operating the industrial communication systems | |
| CN101938377B (en) | link aggregation error protection method, equipment and system | |
| CN102299846B (en) | Method for transmitting BFD (Bidirectional Forwarding Detection) message and equipment | |
| CN103916275A (en) | BFD detection device and method | |
| CN103329485B (en) | Network system, the network equipment and network information establishing method | |
| CN102984057A (en) | Multi-service integration dual-redundancy network system | |
| CN103532863A (en) | Method and device for realizing software stacking | |
| CN105871614A (en) | Protection method and device of board cards in communication device | |
| CN103716092A (en) | Networking system and communication method for bidirectional optical fiber communication in bus network | |
| CN101631060B (en) | Method and device for managing edge port | |
| CN103763465A (en) | Network camera and network video monitoring system | |
| CN103036724B (en) | State information transmission method, the network equipment and unit equipment | |
| CN103973826A (en) | Online video device access system and method | |
| CN102710482B (en) | Method and device for looped network protection | |
| CN102404143A (en) | Method for processing port failures based on LACP and LACP terminal | |
| CN108337162B (en) | System and method for supporting dual-homing protection | |
| CN103780444A (en) | Loop automatic detection device and method in EoC network | |
| CN113037622B (en) | System and method for preventing BFD from vibrating | |
| CN106507051A (en) | A kind of fully-mechanized mining working is electro-hydraulic to control integrated video Transmission system and method | |
| CN102984490A (en) | Network video recorder | |
| CN104219126A (en) | Automatic learning method and equipment for subring protocol VLAN (virtual local area network) in virtual channel mode | |
| CN111416750A (en) | Fault monitoring system and monitoring method of single-network-line Ethernet ring network | |
| CN104618021A (en) | Optical fiber based data transmission method, device and system | |
| CN211720564U (en) | Fault monitoring system of single network cable Ethernet looped network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |