CN103023558B - Transmission system for operation control information of marine power plant - Google Patents
Transmission system for operation control information of marine power plant Download PDFInfo
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- CN103023558B CN103023558B CN201210516921.4A CN201210516921A CN103023558B CN 103023558 B CN103023558 B CN 103023558B CN 201210516921 A CN201210516921 A CN 201210516921A CN 103023558 B CN103023558 B CN 103023558B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of transmission system for operation control information of marine power plant, relate to Ship Power Equipment control field, this system comprises 3 ~ 8 network element devices, every platform network element device comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every platform network element device are connected with the light delivery module of two network element devices of adjacent both sides respectively, are unified into ring topology by redundancy many rings optical fiber; In every platform network element device, two supply modules, two light delivery modules, two switched communication modules are all connected with mainboard, two supply modules by mainboard to other module for power supply, two switched communication modules are all connected to two light delivery modules by the interface of gigabit speed simultaneously, are connected between two switched communication modules by gigabit communication link.The present invention has high reliability, rapidly self-healing, multilayer redundancy, can meet the reliability of operation control information of marine power plant transmission, fail safe, requirement of real-time.<!--1-->
Description
Technical field
The present invention relates to Ship Power Equipment control field, particularly relate to a kind of transmission system for operation control information of marine power plant.
Background technology
Ship Power Equipment control system is the important system ensureing ship power security of operation.Transmission system for operation control information of marine power plant is as the important component part of Ship Power Equipment, carry the interconnected and communication function between each unit in dynamical system, control and monitor console screen, display terminal, the operation and control information for power plant system provides reliable, safe, real-time transmission channel.Compared with the general information transmission system, reliability and the requirement of real-time of transmission system for operation control information of marine power plant are higher, stronger capability to resist destruction need be possessed, require still can normally work under section communication broken cable or equipment component module failure situation, to ensure power set security of operation.
Current transmission system for operation control information of marine power plant has two kinds.A kind of is traditional based on the hard wired direct connected mode of analog quantity comparatively reliably, this mode cause the number of cables in control room and binding post quantity many, equipment wiring, line inspection workload are huge, and equipment modification upgrading is also more difficult, make that trip information transmits, administrative relationships are comparatively complicated, add maintenance difficulties; Another kind is the network communications technology adopting current industrial quarters maturation, but because the operation environment for use of Ship Power Equipment is comparatively harsh, and to the requirement of the reliability of operation and control information transmission, fail safe and fault-tolerant ability aspect all higher than general commercial or industrial operation and control information transmission system, therefore general network communication equipment cannot directly apply to Ship Power Equipment system.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of transmission system for operation control information of marine power plant is provided, there is high reliability, rapidly self-healing, the function of multilayer redundancy and characteristic, Ship Power Equipment can be met and run and the reliability of controlling run control information, fail safe, real-time transmission requirement.
Transmission system for operation control information of marine power plant provided by the invention, comprise 3 ~ 8 network element devices, every platform network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every platform network element device inside are connected with the light delivery module in two network element devices of adjacent both sides respectively, are unified into ring topology by redundancy many rings optical fiber, in every platform network element device, two supply modules, two light delivery modules, two switched communication modules are all connected with the mainboard of this network element device, two supply modules by mainboard to two light delivery modules, two switched communication module for power supply, two switched communication modules are all connected to two light delivery modules by the interface of gigabit speed simultaneously, be connected by gigabit communication link between two switched communication modules, two light delivery modules redundancy each other of every platform network element device inside, all for realizing the synchronous data communication between this network element device and other network element devices, two switched communication modules redundancy each other of every platform network element device inside, all for providing Ethernet service access function to the terminal equipment of each user, Ethernet service is converted to the synchronous digital hierarchy Frame of bottom, realize the data interchange between each terminal equipment on whole ring network and operation and control information transmission.
In technique scheme, the terminal equipment of outside access user is according to irredundant access, be linked in described operation and control information transmission system across the levels of redundancy of port access, cross-module access, inter-network element access.
In technique scheme, described transmission system for operation control information of marine power plant comprises the first network element device, second network element device, 3rd network element device, 4th network element device, the first network element device comprises the first supply module, first light delivery module, first switched communication module, second switched communication module, second light delivery module, second supply module, the second network element device comprises the 3rd supply module, 3rd light delivery module, 3rd switched communication module, 4th switched communication module, 4th light delivery module, 4th supply module, the 3rd network element device comprises the 5th supply module, 5th light delivery module, 5th switched communication module, 6th switched communication module, 6th light delivery module, 6th supply module, the 4th network element device comprises the 7th supply module, 7th light delivery module, 7th switched communication module, 8th switched communication module, 8th light delivery module, 8th supply module, wherein, first light delivery module is connected by optical fiber link with the 3rd light delivery module, 3rd light delivery module is connected by optical fiber link with the 5th light delivery module, 5th light delivery module is connected by optical fiber link with the 7th light delivery module, 7th light delivery module is connected by optical fiber link with the first light delivery module, forms a ring-type link, second light delivery module is connected by optical fiber link with the 4th light delivery module, 4th light delivery module is connected by optical fiber link with the 6th light delivery module, 6th light delivery module is connected by optical fiber link with the 8th light delivery module, 8th light delivery module is connected by optical fiber link with the second light delivery module, forms the ring-type link of a redundancy.
In technique scheme, the terminal equipment of described outside access user comprises first terminal equipment, described first terminal equipment is linked in described operation and control information transmission system by 2 ethernet lines, first terminal equipment jumps in a switched communication module in the first network element device and a switched communication module in the 3rd network element device simultaneously, realizes the redundancy access of inter-network element rank.
In technique scheme, the terminal equipment of described outside access user comprises the second terminal equipment, described second terminal equipment is linked in described operation and control information transmission system by 2 ethernet lines, second terminal equipment jumps in two switched communication modules of the second network element device simultaneously, realizes the redundancy access of cross-module rank.
In technique scheme, described first network element device comprises the first mainboard, first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module are all connected with the first mainboard with the second supply module, first supply module and the second supply module are powered to each functional module by the first mainboard, first mainboard, as bus backplane, realizes power supply and information exchange functions each other; First light delivery module and the second light delivery module are connected to the network element device of adjacent both sides all simultaneously, ensure the optical fiber link redundancy communication function of the first network element device; First switched communication module and the second switched communication module are all connected to the first light delivery module and the second light delivery module by the interface of gigabit speed simultaneously, are also connected by gigabit communication link between the first switched communication module and the second switched communication module.
In technique scheme, at the cabinet inside of the first network element device, first supply module and the second supply module are close to cabinet inwall both sides respectively and are arranged, the first optical communications module, the first switched communication module, the second switched communication module, the second optical communications module are arranged between the first supply module and the second supply module from left to right successively.
In technique scheme, the power consumption of every platform network element device is 120W.
In technique scheme, between each network element device, realized the traffic rate of 2.5Gbps by optical fiber link.
In technique scheme, every platform network element device provides 32 road network communication interfaces to subscriber terminal equipment, and the traffic rate of each network communication interface is 100Mbps.
Compared with prior art, advantage of the present invention is as follows:
(1) the present invention according to Ship Power Equipment operation demand and operation and control information transmission feature, adopt redundancy dicyclo optical networking APS and highly reliable network element device board redundancy backup measure, devise the reliable operation and control information transmission system of the height with multilayer redundancy structure and rapidly self-healing ability, realize redundant looped network networking, it is a large amount of in Ship Power Equipment that to control between display device interconnected, optical fiber link pretection switch, functional cards Hot Spare and failover, the transmission channel of highly reliable two-forty is provided for realizing the comprehensive supervision and management of Ship Power Equipment, for the transmission of the operation and control information of Ship Power Equipment provides safety guarantee.
(2) any one section of optical fiber link sends fault, all can automatically perform pretection switch, ensures that the operation and control information transfer function of whole system is unaffected; When multistage optical fiber link sends fault, each network element device converges monocycle or multiple little ring automatically according to the actual topology status of network; The communication function jumping to multiple stage network element device can be unaffected.
(3) every platform network element device all configuring redundancy duplicate supplys, two light delivery modules of every platform network element device, two Switching Modules redundancy backup each other, when the important terminal equipment of part adopts cross-module redundancy access way, when can guarantee that any one functional module breaks down, the equipment that do not affect normally works.
(4) jump to the terminal equipment on 2 network element devices, even if whole network element device is shut down or destroyed cause complete failure, the equipment that still do not affect normally works simultaneously.
(5) all functions board all can realize online insertion and removal.
(6) each network element device, the service behaviour of functional cards and the real time monitoring of state in system management software feasible system, can find and report the faults such as port, board, equipment and the link occurred.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of transmission system for operation control information of marine power plant in the embodiment of the present invention.
Fig. 2 is the fundamental diagram of separate unit network element device in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
The embodiment of the present invention provides a kind of transmission system for operation control information of marine power plant, comprise 3 ~ 8 network element devices, every platform network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every platform network element device inside are connected with the light delivery module in two network element devices of adjacent both sides respectively, be unified into ring topology by redundancy many rings optical fiber, ensure the optical fiber link redundancy communication function of this network element device; In every platform network element device, two supply modules, two light delivery modules, two switched communication modules are all connected with the mainboard of this network element device, two supply modules by mainboard to two light delivery modules, two switched communication module for power supply, mainboard, as bus backplane, realizes power supply and information exchange functions each other.Two switched communication modules are all connected to two light delivery modules by the interface of gigabit speed simultaneously, are connected between two switched communication modules by gigabit communication link.Form the redundant topology structure of dual star topology between each functional module, thus ensure that the inefficacy of any one functional module all can not have an impact to other modules.The terminal equipment of outside access user according to the significance level of self and the difference to reliability requirement, according to irredundant access, can be linked in this operation and control information transmission system across the levels of redundancy that port access, cross-module access, inter-network element access etc. 4 are different.These network element devices are unified into ring topology by redundancy many rings optical fiber.Wherein, the mainboard of every platform network element device provides unified CPCI(Compact Peripheral Component Interconnect to each functional module, compact external equipment is interconnected), two supply modules of every platform network element device inside are responsible for two light delivery modules to this network element device inside, two switched communication modules provide power supply, two light delivery modules redundancy each other of every platform network element device inside, all for realizing the synchronous data communication between this network element device and other network element devices, two switched communication modules redundancy each other of every platform network element device inside, all exchange based on the transfer of data of Ethernet between subscriber terminal equipment for realizing.
Two supply modules of every platform network element device inside are powered to each functional module of this network element device simultaneously, and when one of them supply module breaks down, another supply module can provide the whole power supply capacities needed for whole network element device work.In addition, when two supply modules work simultaneously, automatically load-balancing function can be realized, namely ensure that the load of two supply modules is substantially equal, thus avoid the long-term high load capacity work of wherein certain supply module, make two supply modules experience identical operating state, thus there is identical life and reliability expection.
Two light delivery modules of every platform network element device inside provide 2 road fiber optic data communication interfaces, each interface by a pair Fiber connection corresponding fiber optic data communication interface to adjacent net element device, thus makes each light delivery module be connected on two network element devices adjacent with current network equipment simultaneously.When one of them fiber optic data communication interface break down or be attached thereto optical fiber link fracture time, two light delivery modules all can automatically perform pretection switch function, within 25 milliseconds ~ 30 milliseconds, realize self-healing fast.In addition, redundancy backup each other between two light delivery modules on every platform network element device, wherein any one light delivery module breaks down, and another one light delivery module can provide same function, thus ensures that the function of whole network element device is unaffected.
Two switched communication modules of every platform network element device inside provide Ethernet service access function to the terminal equipment of each user, Ethernet service is converted to the SDH(Synchronous Digital Hierarchy of bottom, synchronous digital hierarchy) Frame, realize the data interchange between each terminal equipment on whole ring network and information transmission.Redundancy backup each other between two switched communication modules on every platform network element device, wherein any one switched communication module produces fault, all can not have an impact to another one switched communication module.When by two, independently Ethernet interface is connected in two switched communication modules terminal equipment simultaneously, if one of them switched communication module produces fault, now terminal equipment still communicates by another switched communication module, thus ensures that data-transformation facility is not affected.
Two switched communication modules of every platform network element device inside also pass through Stateful Inspection and the failure diagnosis of software simulating whole service control information transmission system, when office terminal is connected on any network element device by specific Stateful Inspection management interface, by operating state and the performance information of any functional module in all network element devices of specific management software real time monitoring and arbitrary port, also can check the fault in current whole system, comprise optical fiber link fault, functional module fault, communication port fault etc.
Be described for 4 network element devices below.
Shown in Figure 1, transmission system for operation control information of marine power plant comprises the first network element device, second network element device, 3rd network element device, 4th network element device, the first network element device comprises the first supply module, first light delivery module, first switched communication module, second switched communication module, second light delivery module, second supply module, the second network element device comprises the 3rd supply module, 3rd light delivery module, 3rd switched communication module, 4th switched communication module, 4th light delivery module, 4th supply module, the 3rd network element device comprises the 5th supply module, 5th light delivery module, 5th switched communication module, 6th switched communication module, 6th light delivery module, 6th supply module, the 4th network element device comprises the 7th supply module, 7th light delivery module, 7th switched communication module, 8th switched communication module, 8th light delivery module, 8th supply module, wherein, first light delivery module is connected by optical fiber link with the 3rd light delivery module, 3rd light delivery module is connected by optical fiber link with the 5th light delivery module, 5th light delivery module is connected by optical fiber link with the 7th light delivery module, 7th light delivery module is connected by optical fiber link with the first light delivery module, forms a ring-type link, second light delivery module is connected by optical fiber link with the 4th light delivery module, 4th light delivery module is connected by optical fiber link with the 6th light delivery module, 6th light delivery module is connected by optical fiber link with the 8th light delivery module, 8th light delivery module is connected by optical fiber link with the second light delivery module, forms the ring-type link of a redundancy.
Shown in Figure 1, the terminal equipment of outside access user comprises first terminal equipment and the second terminal equipment, first terminal equipment and the second terminal equipment are respectively linked in this operation and control information transmission system by 2 ethernet lines, wherein, first terminal equipment jumps in a switched communication module in the first network element device and a switched communication module in the 3rd network element device simultaneously, realizes the redundancy access of inter-network element rank; Second terminal equipment jumps in two switched communication modules of the second network element device simultaneously, realizes the redundancy access of cross-module rank.
The structure of single network element device inside is described for the first network element device below.
Shown in Figure 2, first network element device comprises the first mainboard, first light delivery module, second light delivery module, first switched communication module, second switched communication module, first supply module and the second supply module, first light delivery module, second light delivery module, first switched communication module, second switched communication module, first supply module is all connected with the first mainboard with the second supply module, first supply module and the second supply module are powered to each functional module by the first mainboard, first mainboard is as bus backplane, realize the information exchange functions between function of supplying power and other each communication modules.First light delivery module and the second light delivery module are connected to the network element device of adjacent both sides all simultaneously, ensure the optical fiber link redundancy communication function of the first network element device; First switched communication module and the second switched communication module are all connected to the first light delivery module and the second light delivery module by the interface of gigabit speed simultaneously, are also connected by gigabit communication link between the first switched communication module and the second switched communication module.Form the redundant topology structure of dual star topology between each functional module, thus ensure that the inefficacy of any one functional module all can not have an impact to other modules.
At the cabinet inside of the first network element device, the first supply module and the second supply module are close to cabinet inwall both sides respectively and are arranged, strengthen radiating effect; First optical communications module, the first switched communication module, the second switched communication module, the second optical communications module are arranged between the first supply module and the second supply module from left to right successively.
The power consumption of every platform network element device is about 120W, is realized the traffic rate of 2.5Gbps between each network element device by optical fiber link, and every platform network element device provides 32 road network communication interfaces to subscriber terminal equipment, and the traffic rate of each network communication interface is 100Mbps.When optical fiber link produces fault, system generally can realize self-healing in about 25 milliseconds ~ 30 milliseconds; Adopt redundant link to be linked into terminal equipment in system under any link or interface fault situation, can both proper communication be realized.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention comprises these change and modification.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. a transmission system for operation control information of marine power plant, it is characterized in that: comprise 3 ~ 8 network element devices, every platform network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every platform network element device inside are connected with the light delivery module in two network element devices of adjacent both sides respectively, are unified into ring topology by redundancy many rings optical fiber, in every platform network element device, two supply modules, two light delivery modules, two switched communication modules are all connected with the mainboard of this network element device, two supply modules by mainboard to two light delivery modules, two switched communication module for power supply, two switched communication modules are all connected to two light delivery modules by the interface of gigabit speed simultaneously, be connected by gigabit communication link between two switched communication modules, two light delivery modules redundancy each other of every platform network element device inside, all for realizing the synchronous data communication between this network element device and other network element devices, two switched communication modules redundancy each other of every platform network element device inside, all for providing Ethernet service access function to the terminal equipment of each user, Ethernet service is converted to the synchronous digital hierarchy Frame of bottom, realize the data interchange between each terminal equipment on whole ring network and operation and control information transmission, the terminal equipment of outside access user is according to irredundant access, access across port, cross-module access, the levels of redundancy of inter-network element access is linked in described operation and control information transmission system.
2. transmission system for operation control information of marine power plant as claimed in claim 1, is characterized in that: described transmission system for operation control information of marine power plant comprises the first network element device, second network element device, 3rd network element device, 4th network element device, the first network element device comprises the first supply module, first light delivery module, first switched communication module, second switched communication module, second light delivery module, second supply module, the second network element device comprises the 3rd supply module, 3rd light delivery module, 3rd switched communication module, 4th switched communication module, 4th light delivery module, 4th supply module, the 3rd network element device comprises the 5th supply module, 5th light delivery module, 5th switched communication module, 6th switched communication module, 6th light delivery module, 6th supply module, the 4th network element device comprises the 7th supply module, 7th light delivery module, 7th switched communication module, 8th switched communication module, 8th light delivery module, 8th supply module, wherein, first light delivery module is connected by optical fiber link with the 3rd light delivery module, 3rd light delivery module is connected by optical fiber link with the 5th light delivery module, 5th light delivery module is connected by optical fiber link with the 7th light delivery module, 7th light delivery module is connected by optical fiber link with the first light delivery module, forms a ring-type link, second light delivery module is connected by optical fiber link with the 4th light delivery module, 4th light delivery module is connected by optical fiber link with the 6th light delivery module, 6th light delivery module is connected by optical fiber link with the 8th light delivery module, 8th light delivery module is connected by optical fiber link with the second light delivery module, forms the ring-type link of a redundancy.
3. transmission system for operation control information of marine power plant as claimed in claim 2, it is characterized in that: the terminal equipment of described outside access user comprises first terminal equipment, described first terminal equipment is linked in described operation and control information transmission system by 2 ethernet lines, first terminal equipment jumps in a switched communication module in the first network element device and a switched communication module in the 3rd network element device simultaneously, realizes the redundancy access of inter-network element rank.
4. transmission system for operation control information of marine power plant as claimed in claim 2, it is characterized in that: the terminal equipment of described outside access user comprises the second terminal equipment, described second terminal equipment is linked in described operation and control information transmission system by 2 ethernet lines, second terminal equipment jumps in two switched communication modules of the second network element device simultaneously, realizes the redundancy access of cross-module rank.
5. transmission system for operation control information of marine power plant as claimed in claim 2, it is characterized in that: described first network element device comprises the first mainboard, first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module are all connected with the first mainboard with the second supply module, first supply module and the second supply module are powered to each functional module by the first mainboard, first mainboard, as bus backplane, realizes power supply and information exchange functions each other; First light delivery module and the second light delivery module are connected to the network element device of adjacent both sides all simultaneously, ensure the optical fiber link redundancy communication function of the first network element device; First switched communication module and the second switched communication module are all connected to the first light delivery module and the second light delivery module by the interface of gigabit speed simultaneously, are also connected by gigabit communication link between the first switched communication module and the second switched communication module.
6. transmission system for operation control information of marine power plant as claimed in claim 5, it is characterized in that: at the cabinet inside of the first network element device, first supply module and the second supply module are close to cabinet inwall both sides respectively and are arranged, the first optical communications module, the first switched communication module, the second switched communication module, the second optical communications module are arranged between the first supply module and the second supply module from left to right successively.
7. the transmission system for operation control information of marine power plant according to any one of claim 1 to 6, is characterized in that: the power consumption of every platform network element device is 120W.
8. the transmission system for operation control information of marine power plant according to any one of claim 1 to 6, is characterized in that: the traffic rate being realized 2.5Gbps between each network element device by optical fiber link.
9. the transmission system for operation control information of marine power plant according to any one of claim 1 to 6, is characterized in that: every platform network element device provides 32 road network communication interfaces to subscriber terminal equipment, and the traffic rate of each network communication interface is 100Mbps.
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| CN201210516921.4A CN103023558B (en) | 2012-12-05 | 2012-12-05 | Transmission system for operation control information of marine power plant |
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| CN201210516921.4A CN103023558B (en) | 2012-12-05 | 2012-12-05 | Transmission system for operation control information of marine power plant |
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| CN109782649B (en) * | 2018-11-27 | 2021-07-27 | 湖南铁路科技职业技术学院 | Integrated train control system |
| CN112290672B (en) * | 2020-09-10 | 2022-11-04 | 国电南瑞科技股份有限公司 | Power distribution network control system and method based on node coding mode |
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| CN1661936A (en) * | 2004-02-25 | 2005-08-31 | 华为技术有限公司 | Device of implementing backup for communication equipment in multistage and method of rearranging main and standby devices |
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