CN109429116A - Redundant backup system based on nuclear power monitoring - Google Patents
Redundant backup system based on nuclear power monitoring Download PDFInfo
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- CN109429116A CN109429116A CN201710750371.5A CN201710750371A CN109429116A CN 109429116 A CN109429116 A CN 109429116A CN 201710750371 A CN201710750371 A CN 201710750371A CN 109429116 A CN109429116 A CN 109429116A
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- nuclear power
- backup system
- redundant backup
- monitoring network
- power monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Multimedia (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of Redundant backup systems based on nuclear power monitoring, including 10,000,000,000 core switch of at least two groups being attached between each other by 10,000,000,000 optical fiber, each group of 10,000,000,000 core switch pass through 10,000,000,000 optical fiber of dual link of redundancy and core switch carries out data communication, core switch carries out data communication by the dual link kilomega optic fiber and access switch of redundancy, access switch is connected at least two groups camera, core switch passes through kilomega optic fiber or cable and management server respectively, hot standby management server, at least two groups storage server carries out data communication, core switch also passes through cable and at least two groups storage equipment carries out data communication.The present invention carries out redundancy layer by layer to system and is arranged, and enhances stability, the safety of whole system.
Description
Technical field
This application involves nuclear power research field more particularly to a kind of Redundant backup systems based on nuclear power monitoring.
Background technique
It is powerful currently based on the multimedia communication technology growth momentum of IP addressing, the digitlization of monitoring device, networking hair
Exhibition is generally unfolded, and in digital scheme, video management server is responsible for switching, control function, image storage record and net
Network function.Video management server has flexible switching control function, switches display in turn with LCD monitor and largely takes the photograph
Camera picture, and have flexible control function to plurality of devices such as the various quicks in front end, holders；Have digital recording, it is draw more
The functions such as face segmentation display, and possess powerful network savvy, Video service function powerful on TCP/IP local area network is provided.
Currently, Montreal GENETEC company, the GSC produced (Genetec Security Center) groupware
Platform is a set of flexible digital network monitoring platform, facilitates the safety precaution system for constituting the enterprise-level of full distributed network structure
System.GSC is in many key facilities, such as famous building, building, airport, rail traffic, nuclear power station, military installations, supervision of the cities etc.
It is used widely in field.Seamless it can manage and transmit video, audio and the data on any IP network.Its design solely sets one
Flag, user can be according to itself the free designing systems of security protection demand, and whole system is provided and opened using video monitoring as core
The interface put is integrated for other third party systems.
Genetec Security Center Digital Video System (abbreviation GSC).Pass through Ethernet transmission technology and video
Encoding and decoding technique realizes the functions such as video matrix, digital video signal recording, digital video transmission, can be completed by work station each
Kind of function such as video switching, cradle head control, video recording, which are retrieved for examination etc., to be controlled.
Client has the function that colour display is shown, and can be according to the requirement of function distribution, on different display screens
Show different operating functions.All devices are showed in the form of tree, and with different icon tagging equipment states.
For any real-time video being currently viewing all the way or history video, support using picture frame, rolling of mouse roller etc.
The amplifying observation practised to specific region.
For nuclear power industry monitoring system, have any different in the own characteristic of other industry, comprising: (1) nuclear power industry
As the industry that high security requires, monitoring range is wide, and management and monitoring difficulty are larger.(2) the security protection subsystem of nuclear power is annual
Do not close a business operating, internal systematic equipment is both needed to the persistent service of offer 7 × 24 hours × 365 days, this is to intelligence
The reliability that system and equipment can be changed proposes high requirement；Low speed single communication net under normal conditions faces big data
When the transmission and communication network failure of amount, the real-time and correctness of data are all unable to get guarantee, and then affect power plant electrical
The reliability and safety of monitoring system.
Summary of the invention
The present invention provides a kind of Redundant backup system based on nuclear power monitoring, it is intended to solve existing monitoring system when can not be long
Between the problem of running without interruption, being not suitable with nuclear power service requirement.
A kind of Redundant backup system based on nuclear power monitoring disclosed in this invention, comprising:
Main monitoring network；
Secondary monitoring network, the pair monitoring network are the backup of the main monitoring network；
Arbitration modules, the main monitoring network and the secondary monitoring network are communicated to connect with the arbitration modules；
Signal acquisition unit, the main monitoring network and the secondary monitoring network are equipped with signal acquisition unit.
The Redundant backup system based on nuclear power monitoring, wherein the main monitoring network and the secondary monitoring network
Communicated to connect by optical fiber and the arbitration modules.
The Redundant backup system based on nuclear power monitoring, wherein the optical fiber is 10,000,000,000 optical fiber of dual link of redundancy.
The Redundant backup system based on nuclear power monitoring, wherein the main monitoring network and the secondary monitoring network
It include 10,000,000,000 core switch with signal acquisition unit communication connection.
The Redundant backup system based on nuclear power monitoring, wherein 10,000,000,000 core switch is adopted with the signal
Core switch and access switch are also connected in turn between collection unit；The core switch and 10,000,000,000 core are handed over
It changes planes communication connection, the core switch and the access switch communicate to connect, and the signal acquisition unit connects with described
Enter switch communication connection.
The Redundant backup system based on nuclear power monitoring, wherein 10,000,000,000 core switch, core exchange
It is connected by 10,000,000,000 fiber optic communication of dual link of redundancy between machine and the access switch.
The Redundant backup system based on nuclear power monitoring, wherein the signal acquisition unit is camera.
The Redundant backup system based on nuclear power monitoring, wherein the access switch is connected at least two groups and takes the photograph
As head.
The Redundant backup system based on nuclear power monitoring, wherein the core switch passes through kilomega optic fiber or net
Line is connect with management server communication.
The Redundant backup system based on nuclear power monitoring, wherein the main monitoring network and the secondary monitoring network
It is equipped with warm back-up manager, the core switch passes through kilomega optic fiber or cable and the warm back-up management server communication
Connection.
The Redundant backup system based on nuclear power monitoring, wherein the main monitoring network and the secondary monitoring network
Be equipped with storage server and storage equipment, the core switch by kilomega optic fiber or cable respectively with the store-service
Device and storage equipment communication connection.
The Redundant backup system based on nuclear power monitoring, wherein redundant configuration has RAID1 in the management server
Disk array.
The Redundant backup system based on nuclear power monitoring, wherein redundant configuration has RAID 5+ in the storage equipment
2 disk arrays.
The Redundant backup system based on nuclear power monitoring, wherein the cable is 6 class cables.
The Redundant backup system based on nuclear power monitoring, wherein it is same that the core switch is also connected with GPS clock
Walk module.
The Redundant backup system based on nuclear power monitoring, wherein the arbitration modules detect the main monitoring net
After network receives error signal, controls the secondary monitoring network and substitute the main monitoring network.
Redundant backup system based on nuclear power monitoring given by the present invention, the characteristics of for nuclear industry system, to power plant
Monitoring system carries out strengthening design and wants on the basis of the network topology structure of existing classics for the high reliability of nuclear industry
It asks, the dual link optical fiber that redundancy is carried out between 10,000,000,000 core switch, core switch, access switch is arranged, is deposited simultaneously
Storage part is also configured using hot backup redundancy, and camera is acquired field data, passes through access switch and dual link thousand
Million optical fiber send data to core switch, core switch by the information data of acquisition under the management of system platform software into
The data of row respective server store.Using Redundancy Design principle, management server, storage server, storage equipment are all carried out
Backup.Carry out data exchange, storage according to mature agreement between equipment, call etc., at the same storage section also use it is hot standby
Redundant configuration remains to ensure persistent service after unexpected incidents generation, greatly improves the reliability of system, stablize to ensure
Property.
Detailed description of the invention
Fig. 1 is the functional block diagram of the Redundant backup system in the embodiment of the present invention, based on nuclear power monitoring；
Fig. 2 is the structural block diagram of main monitoring network in the embodiment of the present invention.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.Below with reference to
Attached drawing further illustrates.
As shown in Figure 1, given by the present embodiment based on nuclear power monitoring Redundant backup system, including respectively with arbitration mould
The main monitoring network 100 and secondary monitoring network 200 that block 300 communicates to connect.Main monitoring network 100 is matched with backup monitoring network 200
Set it is identical, when main monitoring network 100 break down to arbitration modules 300 send error signal when, arbitration modules 300 control
Secondary monitoring network 200 substitutes main monitoring network 100.
As shown in Fig. 2, Fig. 2 is not presented the various pieces that two group of 10,000,000,000 core switch is connected one by one, it only will wherein
The specific network topological diagram of one group of 10,000,000,000 core switch is presented, and the main monitoring network 100 in the present embodiment is equipped with one
10000000000 core switch 1 pass through redundancy between 10,000,000,000 core switch 1 in main monitoring network 100 and secondary monitoring network 200
Dual link kilomega optic fiber 2 is attached, available from Fig. 1, and each group of 10,000,000,000 core switch 1 pass through the double of redundancy
10,000,000,000 optical fiber 2 of link carries out data communication with core switch 9, and the core switch 9 passes through the dual link gigabit light of redundancy
Fibre 2 carries out data communication with access switch 10, and the access switch 10 is connected at least two groups camera 8, the core
Interchanger 9 passes through kilomega optic fiber or cable and management server 4, hot standby management server 5, at least two groups storage server respectively
6 carry out data communication, and core switch 9 also stores equipment 7 by cable and at least two groups and carries out data communication.
Management server 4 includes the RAID1 disk array of redundant configuration, and two pieces of hard disks realize the backed up in synchronization to data.
Storage 7 redundant configuration of equipment has RAID 5+2 disk array, and the cable is 6 class cables.
Core switch 9 is also connected with GPS clock synchronization module 3.GPS clock synchronization module 3 may be implemented to entire system
The clock of system is synchronous, prevents from leading to control system disorder because of clock factor, keeps system control integrated, enhances reliability.
By handling multiple hard disks, when meet such as big capacity hard disk leads to abrasion fastly or even damages because of revolving speed,
Data emergency restores, while the I/O performance of system is improved using RAID, realizes online warm connection function, avoids shutting down, and is promoted
The work continuity of system.
Core switch 9 and 10,000,000,000 core switch 1 have selected Quidway S9300 series Quidway S9306 core
Heart interchanger, a new generation that Quidway S9300 core switch is the multiple services network architecture of oriented integration network and releases are high-end
Intelligent T bit core multi-layer switches.The series of switch is widely used in wide area network, Metropolitan Area Network (MAN), Campus Network and data
The heart helps enterprise to construct the application oriented network platform, provides exchange and routes integrated end-to-end converged network.
Quidway S9306 core switch supports IEEE802.3,10Base-T, IEEE802.3u, 100Base-TX
Agreement supports IPv4 and IPv6 L3 Switching function, supports a variety of router protocols；Exchanged form is storage forwarding；It supports
IEEE 802.3x flow control and back pressure type flow control；Each port energy full duplex, it is adaptive to convert；Gbps is 6Tbps；Packet
Forward rate is 1152Mpps；7 slot positions；Configuring redundancy engine and power supply；Has multicast functionality；It can support 2,4 or 8
The convergence of 1000M fixed port；It supports the VLAN for meeting IEEE 802.1Q standard, supports a 4k VLAN；It supports one-to-one
Port Mirroring；Support command line interface configuration etc..
In addition, sharing 614 road cameras 8 in the system, in addition to 89 tunnel ball machines, other cameras 8 all need POE interchanger
Power supply.POE switch port model point 4/8/16/24/48 type, in conjunction with 8 quantity of front end camera and power supply for exchange power,
The present embodiment selects the access switch 11 of 24 power ports, and rear end is connect with core switch 9 using optical fiber, it is contemplated that redundancy is set
Meter, the present invention select two optical port POE interchangers.POE interchanger in project only does the access function of physical layer, thus this implementation
Example selects application level for two layers.Due to BOSCH web camera, interface supports 10base-T/100BASE-TX POE function
RJ45 interface, so select transmission rate for 100,000,000 POE interchanger.
In guaranteeing signals transmission, unlimited tolerance speed, Gbps and Packet Forwarding Rate will reach claimed below: be directed to
24 100,000,000 power ports, the Gbps of the interchanger of 2 gigabit optical ports are as follows: (24*100M+2*1000M) * 2=9600M, about
9.6Gbps.For 24 100,000,000 power ports, 2 gigabit optical ports, the Packet Forwarding Rate for the interchanger that application level is 2 grades are as follows: 2 ×
1.488Mpps+24 × 0.1488Mpps=6.5472Mpps.It is calculated and the requirement in technical specifications, POE exchange according to above
Machine we selected S2700-26TP-PWR-EI (AC).S2700-26TP-SI (AC) is selected without POE interchanger.Two exchange
Machine is all 26 ports, and port describes 24 ports 10/100Base-TX, 2 Combo mouthfuls of gigabit；Support Ethernet:
IEEE802.3,10Base-T；Support Fast Ethernet: IEEE802.3u, 100Base-TX；Data transmission rate, gigabit quickly with
Too net: half-duplex: 1000Mb, full duplex 2000Mb；Exchanged form is storage forwarding；Has multicast functionality；Support meets IEEE
The VLAN of 802.1Q standard, complete machine support 4K VLAN；POE switch port power is 30W etc..
The present embodiment is to reduce signal decaying, ensures data transmission quality, can also exchange in each camera 8 with POE
POE network extender, model IP03P (500 meters of extensions) and 100,000,000 PoE repeaters over long distances are added on the cable of machine connection
PSE-PD3201, PSE-PD3201 repeater can realize long-distance passive 100 meters of relay transmission distance again.
Single mode layer-twisted type metal armouring optical cable is used in outdoor, in outdoor single mode layer-twisted type metal armouring optical cable.This system
Using single mode optical fiber, every Lu Douyou has redundancy fibre core, selects healthy and free from worry parameter to specifically include that core diameter: 8.3 microns；Covering is straight
Diameter: 125.0 ± 0.7 microns；Fibre core/cald concentricity deviation :≤0.5 micron；Deep cladding diameter: 245 (± 10) microns；Packet
Layer/deep cladding concentricity deviation :≤12 microns；Colored optical fiber diameter: 245 (± 7) microns；Minimum screening tension: > 0.7Gpa；
Dynamic fatigue degree: >=18；Angularity: > 4m；Macrobending loss (100 circles, 50m diameter) :≤0.05dB@1310nm/0.10dB@
1550nm；Macrobending loss (1 circle, 32mm diameter) :≤0.5dB@1310nm/@1550nm；Mode field diameter: 9.2 ± 0.3 microns of@
1310nm/10.4@1550nm；Effective group index@1310nm&1383 (± 3) nm:1.466；Effective group index@1550nm:
1.467；Maximum optical cable damages depreciation: 0.7dB/km@1310nm when fixed pipe；0.7dB/km@1383nm(±3)nm；0.7dB/km@
1550nm；0.35dB/km@1310nm when Loose tube；0.32dB/km@1383nm(±3)nm；0.24dB/km@1550nm；It is maximum
Dispersion: 3.5ps/nm-km 1285-1330nm；Zero-dispersion wavelength range: 1300nm-1322nm, environmental requirement (DEG C)；Building ring
Border -40~+70；Transportation environment -40~+75；Installation environment -30~+60, feature；To optical fiber with more when PBT tube material accesses
The protection of safety；Double plastic-coated chromium plating embossing steel band structure has better mechanical performance compared with aluminium strip；Waterproof and dampproof performance
Higher, construction is easy to maintain, reduces the pollution to environment.Cable core half dry type blocks water design, avoids greasy for preventing water and sheath is straight
Relative sliding caused by contact.Keep the overall structure of optical cable more compact, it is solid；Standard whole chromatogram casing grouping, it is possible to provide fast
Speed, convenient access and centre are offline.
Here, camera 8 use VG5-7220-EPC4,1080P high-definition tripod video camera, BOSCH VG5-7220-EPC4
It is a high speed PTZ ball-shaped camera being easily installed, it is using by autoptic indoor/outdoor lifting shield or room
It is embedded in ceiling-type shield, either daytime or night, impayable image quality and internetworking can be provided
Can, but also support first-class high definition (HD) 1080p25/30 (2MP) video and 20 Zoom Lens.It can be complete by network
The institute for controlling ball-shaped camera is functional, including it is distant take the photograph/pitching/zoom operation, presetting bit, patrol route and alarm, and can lead to
Cross all settings of Web configuration ball-shaped camera.It can also targetedly use for the explosion-proof video camera in explosion-proof area,
Here, using SWGQ-EX 1080P ball machine, PTZ camera degree of protection IP66, image device uses FCB-CH6300, and 1/
2.8 " Exmor CMOS, resolution ratio, 3,270,000 pixels (full HD 1080P, resolution ratio 1920 × 1080) are additionally provided with heater,
In 0 DEG C of ± 5 DEG C of unlatching, in 8 DEG C of ± 3 DEG C of disconnections.
Camera lens can realize 20 times of zoom f=4.7 to 94mm (F1.6 to F3.5), digital zoom, 12x (240 times of zooms), and
And it being also configured with explosion-proof shield stand SWGQ-ZJB/GQ-ZJD accordingly and video camera is mating, the explosion-proof shield of video camera uses ten thousand
Sincere science and technology SWKB-EX06-HZ-CS (explosion-proof) meets II class of explosive gas atmosphere, and temperature meets T4 requirement.
The present embodiment carries GSC Digital Video System control platform, SDK interface is provided with compensation by GSC, according in nuclear power
Special requirement, pass through SDK self-developing interface and system function.
GSC stores number relevant to video and tonic train using relational database (Microsoft SQL Server)
According to.This is greatly facilitated looks into according to the video of video camera, event type, time and date, movable amplitude, alarm, metadata etc.
It askes.GSC can be by SQL relational data lab setting BACKUP TIME table come automatic backup system data.GSC management console is
The system of one IT, parameter of overall importance are stored in the SQL database of LIST SERVER, are provided backup by SQL and are restored
Function can rapid recovery system parameter configuration by database recovery.
GSC management console can flexibly be spread according to the video that each video camera is arranged in the situation at monitoring scene automatically
Defeated and bandwidth, can control the bandwidth criteria of every road video flowing when needed, maximum value and minimum value be standard bandwidth ±
20%.
GSC management console may be configured as each road video flowing under normal circumstances and keep lower code rate, for reducing
Video recording storage.When having emergency event or alert event occurs, corresponding camera video stream is automatically adjusted to maximum, to be
Evidence obtaining in the future provides more supports, everything is all executed automatically after definition, without changing system configuration again.It is shown in real time
Show, playing back videos and storage video flowing relevant information when cannot stop recording a video.GSC supports that H.264 coding techniques realizes video
The digitlization of signal is output and input, and image highest supports 2048 × 1536 ultrahigh resolution of highest.
Management server 4, hot standby management server 5, storage server 6 use Dell's rack server PowerEdge
R720, wherein tetra- core of CPU, 4 thread, cpu frequency 2.4GHz, standard configuration CPU quantity 2, maximum CPU quantity 2, three-level cache:
10MB bus specification QPI 6.4GT/s, four port giganet card of network controller/ten thousand Broadcom of dual-port, system administration meet
2.0 standard of IPMI, the Dell OpenManage Integration suitable for Microsoft System Center
Suite, suitable for Dell's plug-in unit of VMware vCenter, HP Operations Manager, IBM Tivoli Netcool
With CA Network and Systems Management.System is supported: Windows Server 2008 R2 SP1, x64
(v2 containing Hyper-V), 2011 SUSE Linux Enterprise of Windows Small Business Server
Server, Red Hat Enterprise Linux.
7 maximum storage capacity 24TB of equipment, average transmission rate 6Gb/s, rotation speed of hard disk 7200rpm (near line) are stored,
10000rpm and 15000rpm, RAID support RAID level 0,1,5,6,10,50 and 60, stand-alone disk quantity 12, built-in hard
Disk interface SAS, 2 EMM modules of other parameters can provide redundancy disk cabinet managerial ability, product power supply AC 100-240V, and 50/
60Hz, two completely redundant powers are 600W.
The present embodiment according to specific requirement be additionally provided with DMS system control cabinet (including interchanger, server, IP-SAN store
System etc.) and its software, work station (including display, host, keyboard and mouse), video camera, network extender, lightning protection device,
Bracket, camera power supply case, optical cable, control cable and feed cable etc..
Redundant backup system based on nuclear power monitoring given by the present invention, the characteristics of for nuclear industry system, to power plant
Monitoring system carries out strengthening design and wants on the basis of the network topology structure of existing classics for the high reliability of nuclear industry
It asks, the dual link optical fiber that redundancy is carried out between 10,000,000,000 core switch, core switch, access switch is arranged, is deposited simultaneously
Storage part is also configured using hot backup redundancy, and camera is acquired field data, passes through access switch and dual link thousand
Million optical fiber send data to core switch, core switch by the information data of acquisition under the management of system platform software into
The data of row respective server store.Using Redundancy Design principle, management server, storage server, storage equipment are all carried out
Backup meets in this way, emergency event in operation can be coped with when system operation unit breaks down, shortest
The switching that backup unit is completed in time, realizes the control operational mode of high reliability, to ensure after unexpected incidents generation
It remains to ensure persistent service, greatly improves the reliability of system, stability.
In the description of this specification, the description of reference term " one embodiment " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.In this explanation
In book, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.Although
The embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: it is of the invention not departing from
These embodiments can be carried out with a variety of change, modification, replacement and modification in the case where principle and objective, the scope of the present invention by
Claim and its equivalent limit.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the present application design, a number of simple deductions or replacements can also be made.
Claims (16)
1. a kind of Redundant backup system based on nuclear power monitoring characterized by comprising
Main monitoring network；
Secondary monitoring network, the pair monitoring network are the backup of the main monitoring network；
Arbitration modules, the main monitoring network and the secondary monitoring network are communicated to connect with the arbitration modules；
Signal acquisition unit, the main monitoring network and the secondary monitoring network are equipped with signal acquisition unit.
2. as described in claim 1 based on nuclear power monitoring Redundant backup system, which is characterized in that the main monitoring network and
The pair monitoring network passes through optical fiber and the arbitration modules communicate to connect.
3. the Redundant backup system as claimed in claim 2 based on nuclear power monitoring, which is characterized in that the optical fiber is redundancy
10,000,000,000 optical fiber of dual link.
4. as claimed in claim 3 based on nuclear power monitoring Redundant backup system, which is characterized in that the main monitoring network and
The pair monitoring network includes 10,000,000,000 core switch with signal acquisition unit communication connection.
5. the Redundant backup system as claimed in claim 4 based on nuclear power monitoring, which is characterized in that the 10000000000 core exchange
Also it is connected with core switch and access switch between machine and the signal acquisition unit in turn；The core switch with
The 10000000000 core switch communication connection, the core switch and the access switch communicate to connect, and the signal is adopted
Collect unit and the access switch communicates to connect.
6. the Redundant backup system as claimed in claim 5 based on nuclear power monitoring, which is characterized in that the 10000000000 core exchange
It is connected by 10,000,000,000 fiber optic communication of dual link of redundancy between machine, the core switch and the access switch.
7. the Redundant backup system as claimed in claim 5 based on nuclear power monitoring, which is characterized in that the signal acquisition unit
For camera.
8. the Redundant backup system as claimed in claim 7 based on nuclear power monitoring, which is characterized in that the access switch connects
It is connected at least two groups camera.
9. the Redundant backup system as claimed in claim 6 based on nuclear power monitoring, which is characterized in that the core switch is logical
It crosses kilomega optic fiber or cable is connect with management server communication.
10. the Redundant backup system as claimed in claim 9 based on nuclear power monitoring, which is characterized in that the main monitoring network
And the secondary monitoring network is equipped with warm back-up manager, the core switch by kilomega optic fiber or cable with it is described hot standby
Part management server communication connection.
11. the Redundant backup system as claimed in claim 9 based on nuclear power monitoring, which is characterized in that the main monitoring network
And the secondary monitoring network is equipped with storage server and storage equipment, the core switch passes through kilomega optic fiber or cable point
It is not communicated to connect with the storage server and the storage equipment.
12. the Redundant backup system as claimed in claim 10 based on nuclear power monitoring, which is characterized in that the management server
Middle redundant configuration has RAID1 disk array.
13. the Redundant backup system as claimed in claim 11 based on nuclear power monitoring, which is characterized in that in the storage equipment
Redundant configuration has RAID 5+2 disk array.
14. the Redundant backup system as described in claim 10 or 11 based on nuclear power monitoring, which is characterized in that the cable is
6 class cables.
15. the Redundant backup system as claimed in claim 4 based on nuclear power monitoring, which is characterized in that the core switch
It is also connected with GPS clock synchronization module.
16. the Redundant backup system as described in claim 1 based on nuclear power monitoring, which is characterized in that the arbitration modules inspection
It measures after the main monitoring network receives error signal, controls the secondary monitoring network and substitute the main monitoring network.
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Citations (7)
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