CN103023558A - 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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- CN103023558A CN103023558A CN2012105169214A CN201210516921A CN103023558A CN 103023558 A CN103023558 A CN 103023558A CN 2012105169214 A CN2012105169214 A CN 2012105169214A CN 201210516921 A CN201210516921 A CN 201210516921A CN 103023558 A CN103023558 A CN 103023558A
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Abstract
The invention discloses a transmission system for operation control information of a marine power plant and relates to the field of marine power plant control. The system comprises 3-8 network element devices, wherein each of network elements comprises two power supplying modules, two light transmission modules and two exchange communication modules, two light transmission modules of each of network elements and light transmission modules of adjacent two network element devices are connected respectively to form a ring topology through redundant multi-ring fiber, two power supplying modules, two light transmission modules and two exchange communication modules of each of network elements are connected to a main board, two power supplying modules are used for supplying power to other modules through the main board, two exchange communication modules are connected to two light transmission modules through interfaces with the kilomega rate, and two exchange communication modules are connected through a kilomega communication link. The system has the advantages of being high in reliability, quick in self-healing, multi-layer in redundancy and capable of meeting requirements of the reliability, the safety and the real time of marine power plant operation control information transmission.
Description
Technical field
The present invention relates to the Ship Power Equipment control field, particularly relate to a kind of Ship Power Equipment operation and control information transmission system.
Background technology
The Ship Power Equipment control system is the important system that ensures the ship power security of operation.Ship Power Equipment operation and control information transmission system is as the important component part of Ship Power Equipment, bearing the interconnected and communication function between each unit in the dynamical system, control and monitor console screen, the display terminal, for the operation and control information of power plant system provides reliable, safe, real-time transmission channel.Compare with the general information transmission system, reliability and the requirement of real-time of Ship Power Equipment operation and control information transmission system are higher, need possess stronger capability to resist destruction, requirement still can work in the fracture of the part communications cable or equipment component module failure situation, to guarantee the power set security of operation.
Present Ship Power Equipment operation and control information transmission system has two kinds.A kind of is traditional based on the hard wired comparatively reliably direct connected mode of analog quantity, this mode causes number of cables and the binding post quantity in the control room many, equipment wiring, line inspection workload are huge, and the equipment modification upgrading is also relatively more difficult, so that trip information transmits, administrative relationships are comparatively complicated, increased maintenance difficulties; Another kind is the network communications technology that adopts present industrial quarters maturation, but because the operation environment for use of Ship Power Equipment is comparatively harsh, and the requirement to reliability, fail safe and the fault-tolerant ability aspect of operation and control information transmission all is higher than general commercial or industrial operation and control information transmission system, and therefore general network communication equipment can't directly apply to the Ship Power Equipment system.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of above-mentioned background technology, a kind of Ship Power Equipment operation and control information transmission system is provided, function and characteristic with high reliability, rapidly self-healing, multilayer redundancy can satisfy reliability, fail safe, the real-time transmission requirement of Ship Power Equipment operation and controlling run control information.
Ship Power Equipment operation and control information transmission system provided by the invention, comprise 3 ~ 8 network element devices, every network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every network element device inside link to each other with light delivery module in two network element devices of adjacent both sides respectively, encircle optical fiber by redundancy more and are unified into ring topology; In every network element device, two supply modules, two light delivery modules, two switched communication modules all link to each other 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 all are connected to two light delivery modules simultaneously by the interface of gigabit speed, link to each other by the gigabit communication link between two switched communication modules, two light delivery modules of every network element device inside are redundant each other, all for the synchronous data communication that realizes between this network element device and other network element devices, two switched communication modules of every network element device inside are redundant each other, all provide the Ethernet service access function for the terminal equipment to each user, Ethernet service is converted to the synchronous digital hierarchy Frame of bottom, realize data interchange and operation and control information transmission between each terminal equipment on the whole ring network.
In technique scheme, the terminal equipment of outside access user is linked in the described operation and control information transmission system according to irredundant access, the levels of redundancy of striding port access, cross-module access, inter-network element access.
In technique scheme, described Ship Power Equipment operation and control information transmission system comprises the first network element device, the second network element device, the 3rd network element device, the 4th network element device, the first network element device comprises the first supply module, the first light delivery module, the first switched communication module, the second switched communication module, the second light delivery module, the second supply module, the second network element device comprises the 3rd supply module, the 3rd light delivery module, the 3rd switched communication module, the 4th switched communication module, the 4th light delivery module, the 4th supply module, the 3rd network element device comprises the 5th supply module, the 5th light delivery module, the 5th switched communication module, the 6th switched communication module, the 6th light delivery module, the 6th supply module, the 4th network element device comprises the 7th supply module, the 7th light delivery module, the 7th switched communication module, the 8th switched communication module, the 8th light delivery module, the 8th supply module, wherein, the first light delivery module links to each other by optical fiber link with the 3rd light delivery module, the 3rd light delivery module links to each other by optical fiber link with the 5th light delivery module, the 5th light delivery module links to each other by optical fiber link with the 7th light delivery module, the 7th light delivery module links to each other by optical fiber link with the first light delivery module, forms a ring-type link; The second light delivery module links to each other by optical fiber link with the 4th light delivery module, the 4th light delivery module links to each other by optical fiber link with the 6th light delivery module, the 6th light delivery module links to each other by optical fiber link with the 8th light delivery module, the 8th light delivery module links to each other 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 the described operation and control information transmission system by 2 ethernet lines, first terminal equipment jumps on the switched communication module and a switched communication module in the 3rd network element device in the first network element device simultaneously, realizes other the redundant access of inter-network element level.
In technique scheme, the terminal equipment of described outside access user comprises the second terminal equipment, described the second terminal equipment is linked in the described operation and control information transmission system by 2 ethernet lines, the second terminal equipment jumps on two switched communication modules of the second network element device simultaneously, realizes other the redundant access of cross-module level.
In technique scheme, described the first network element device comprises the first mainboard, the first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module and the second supply module all link to each other with the first mainboard, the first supply module and the second supply module are powered to each functional module by the first mainboard, the first mainboard is realized power supply and information exchange functions each other as bus backplane; The first light delivery module and the second light delivery module all are connected to the network element device of adjacent both sides simultaneously, guarantee the optical fiber link redundancy communication function of the first network element device; The first switched communication module and the second switched communication module all are connected to the first light delivery module and the second light delivery module simultaneously by the interface of gigabit speed, also link to each other by the gigabit communication link between the first switched communication module and the second switched communication module.
In technique scheme, cabinet inside at the first network element device, the first supply module and the second supply module are close to respectively cabinet inwall both sides layout, and 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 network element device is 120W.
In technique scheme, realize the traffic rate of 2.5Gbps between each network element device by optical fiber link.
In technique scheme, every 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 is according to the characteristics of Ship Power Equipment operation demand and operation and control information transmission; adopt redundant dicyclo optical networking APS and highly reliable network element device integrated circuit board redundancy backup measure; designed the reliable operation and control information transmission system of the height with multilayer redundancy structure and rapidly self-healing ability; realize the redundant looped network networking; interconnected in the Ship Power Equipment between a large amount of controls and the display device; the optical fiber link protection is switched; functional cards Hot Spare and failover; for realizing that the comprehensive supervision and management of Ship Power Equipment provides the transmission channel of highly reliable two-forty, for the transmission of the operation and control information of Ship Power Equipment provides safety guarantee.
(2) any one section optical fiber link sends fault, all can automatically perform protection and switch, and guarantees that the operation and control information transfer function of whole system is unaffected; The multistage optical fiber link sends in the situation of fault, and each network element device converges monocycle or a plurality of little ring automatically according to network practical topology state; The communication function that jumps to many network element devices can be unaffected.
(3) every network element device configuring redundancy duplicate supply all, two light delivery modules of every network element device, two Switching Modules be redundancy backup each other, when the important terminal equipment of part adopts cross-module redundant access way, can guarantee in the situation that any one functional module breaks down not impact equipment normal operations.
(4) jump to simultaneously 2 terminal equipments on the network element device, cause complete failure even whole network element device shut down or destroyed, still not impact equipment normal operation.
(5) all functions integrated circuit board all can be realized online insertion and removal.
(6) faults such as port, integrated circuit board, equipment and link of appearance can be found and report to the service behaviour of each network element device, functional cards and the real time monitoring of state in the system management software feasible system.
Description of drawings
Fig. 1 is the structured flowchart of Ship Power Equipment operation and control information transmission system in the embodiment of the invention.
Fig. 2 is the fundamental diagram of separate unit network element device in the embodiment of the invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
The embodiment of the invention provides a kind of Ship Power Equipment operation and control information transmission system, comprise 3 ~ 8 network element devices, every network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every network element device inside link to each other with light delivery module in two network element devices of adjacent both sides respectively, encircle optical fiber by redundancy more and be unified into ring topology, guarantee the optical fiber link redundancy communication function of this network element device; In every network element device, two supply modules, two light delivery modules, two switched communication modules all link to each other 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 is realized power supply and information exchange functions each other as bus backplane.Two switched communication modules all are connected to two light delivery modules simultaneously by the interface of gigabit speed, link to each other by the gigabit communication link between two switched communication modules.Form the redundant topology structure of dual star topology between each functional module, thereby guarantee that any one functional module inefficacy all can not exert an influence to other modules.The terminal equipment of outside access user can be according to the significance level of self and to the difference of reliability requirement, according to irredundant access, stride 4 different levels of redundancy such as port access, cross-module access, inter-network element access and be linked in this operation and control information transmission system.These network element devices encircle optical fiber by redundancy more and are unified into ring topology.Wherein, the mainboard of every network element device provides unified CPCI(Compact Peripheral Component Interconnect to each functional module, compact external equipment is interconnected), two supply modules of every 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 of every network element device inside are redundant each other, all for the synchronous data communication that realizes between this network element device and other network element devices, two switched communication modules of every network element device inside are redundant each other, all exchange for the transfer of data based on Ethernet between realization and the subscriber terminal equipment.
To each functional module power supply of this network element device, when one of them supply module broke down, another supply module can provide whole whole power supply capacities that network element device work is required to two supply modules of every network element device inside simultaneously.In addition, when two supply modules are worked simultaneously, can automatically realize load-balancing function, the load that namely guarantees two supply modules is substantially equal, thereby avoid the wherein long-term high load capacity work of certain supply module, so that two identical operating states of supply module experience, thereby has identical life and reliability expection.
Two light delivery modules of every network element device inside provide 2 road fiber optic data communication interfaces, each interface is connected to the corresponding fiber optic data communication interface of adjacent net element device by a pair of optical fiber, thereby so that each light delivery module be connected to simultaneously on two network element devices adjacent with current network equipment.When one of them fiber optic data communication interface breaks down or during the fracture of the optical fiber link that is attached thereto, two light delivery modules all can automatically perform the protection switch function, realize fast self-healing within 25 milliseconds ~ 30 milliseconds.In addition, redundancy backup each other between two light delivery modules on every network element device, wherein any one light delivery module breaks down, and the another one light delivery module can provide same function, thus the function that guarantees whole network element device is unaffected.
Two switched communication modules of every network element device inside provide the Ethernet service access function to each user's terminal equipment, Ethernet service is converted to the SDH(Synchronous Digital Hierarchy of bottom, synchronous digital hierarchy) Frame is realized data interchange and communication between each terminal equipment on the whole ring network.Redundancy backup each other between two switched communication modules on every network element device, wherein any one switched communication module produces fault, can not exert an influence to another one switched communication module.When terminal equipment when independently Ethernet interface is connected on two switched communication modules simultaneously by two, if one of them switched communication module produces fault, this moment, terminal equipment still can communicate by another switched communication module, thereby guaranteed that data-transformation facility is not affected.
Two switched communication modules of every network element device inside have also realized Stateful Inspection and the failure diagnosis of whole service control information transmission system by software, when the office terminal is connected on any network element device by specific Stateful Inspection management interface, can be by any functional module in specific all network element devices of management software real time monitoring and operating state and the performance information of arbitrary port, also can check the fault in the current whole system, comprise optical fiber link fault, functional module fault, communication port fault etc.
The below describes as an example of 4 network element devices example.
Referring to shown in Figure 1, Ship Power Equipment operation and control information transmission system comprises the first network element device, the second network element device, the 3rd network element device, the 4th network element device, the first network element device comprises the first supply module, the first light delivery module, the first switched communication module, the second switched communication module, the second light delivery module, the second supply module, the second network element device comprises the 3rd supply module, the 3rd light delivery module, the 3rd switched communication module, the 4th switched communication module, the 4th light delivery module, the 4th supply module, the 3rd network element device comprises the 5th supply module, the 5th light delivery module, the 5th switched communication module, the 6th switched communication module, the 6th light delivery module, the 6th supply module, the 4th network element device comprises the 7th supply module, the 7th light delivery module, the 7th switched communication module, the 8th switched communication module, the 8th light delivery module, the 8th supply module, wherein, the first light delivery module links to each other by optical fiber link with the 3rd light delivery module, the 3rd light delivery module links to each other by optical fiber link with the 5th light delivery module, the 5th light delivery module links to each other by optical fiber link with the 7th light delivery module, the 7th light delivery module links to each other by optical fiber link with the first light delivery module, forms a ring-type link; The second light delivery module links to each other by optical fiber link with the 4th light delivery module, the 4th light delivery module links to each other by optical fiber link with the 6th light delivery module, the 6th light delivery module links to each other by optical fiber link with the 8th light delivery module, the 8th light delivery module links to each other by optical fiber link with the second light delivery module, forms the ring-type link of a redundancy.
Referring to 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 respectively are linked in this operation and control information transmission system by 2 ethernet lines, wherein, first terminal equipment jumps on the switched communication module and a switched communication module in the 3rd network element device in the first network element device simultaneously, realizes other the redundant access of inter-network element level; The second terminal equipment jumps on two switched communication modules of the second network element device simultaneously, realizes other the redundant access of cross-module level.
The below is take the structure of the first network element device single network element device inside as example illustrates.
Referring to shown in Figure 2, the first network element device comprises the first mainboard, the first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module and the second supply module, the first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module all links to each other with the first mainboard with the second supply module, the first supply module and the second supply module are powered to each functional module by the first mainboard, the first mainboard is realized the information exchange functions between function of supplying power and other each communication modules as bus backplane.The first light delivery module and the second light delivery module all are connected to the network element device of adjacent both sides simultaneously, guarantee the optical fiber link redundancy communication function of the first network element device; The first switched communication module and the second switched communication module all are connected to the first light delivery module and the second light delivery module simultaneously by the interface of gigabit speed, also link to each other by the 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, thereby guarantee that any one functional module inefficacy all can not exert an influence 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 respectively cabinet inwall both sides and are arranged the enhancing radiating effect; 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.
The power consumption of every network element device is about 120W, realizes the traffic rate of 2.5Gbps between each network element device by optical fiber link, and every 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 produced fault, system generally can realize self-healing in approximately 25 milliseconds ~ 30 milliseconds; Adopt redundant link to be linked into terminal equipment in the system in any link or interface fault situation, can both realize proper communication.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention comprises these changes and modification interior.The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (10)
1. Ship Power Equipment operation and control information transmission system, it is characterized in that: comprise 3 ~ 8 network element devices, every network element device inside comprises two supply modules, two light delivery modules, two switched communication modules, two light delivery modules of every network element device inside link to each other with light delivery module in two network element devices of adjacent both sides respectively, encircle optical fiber by redundancy more and are unified into ring topology; In every network element device, two supply modules, two light delivery modules, two switched communication modules all link to each other 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 all are connected to two light delivery modules simultaneously by the interface of gigabit speed, link to each other by the gigabit communication link between two switched communication modules, two light delivery modules of every network element device inside are redundant each other, all for the synchronous data communication that realizes between this network element device and other network element devices, two switched communication modules of every network element device inside are redundant each other, all provide the Ethernet service access function for the terminal equipment to each user, Ethernet service is converted to the synchronous digital hierarchy Frame of bottom, realize data interchange and operation and control information transmission between each terminal equipment on the whole ring network.
2. Ship Power Equipment operation and control information transmission system as claimed in claim 1 is characterized in that: the terminal equipment of outside access user is linked in the described operation and control information transmission system according to irredundant access, the levels of redundancy of striding port access, cross-module access, inter-network element access.
3. Ship Power Equipment operation and control information transmission system as claimed in claim 2, it is characterized in that: described Ship Power Equipment operation and control information transmission system comprises the first network element device, the second network element device, the 3rd network element device, the 4th network element device, the first network element device comprises the first supply module, the first light delivery module, the first switched communication module, the second switched communication module, the second light delivery module, the second supply module, the second network element device comprises the 3rd supply module, the 3rd light delivery module, the 3rd switched communication module, the 4th switched communication module, the 4th light delivery module, the 4th supply module, the 3rd network element device comprises the 5th supply module, the 5th light delivery module, the 5th switched communication module, the 6th switched communication module, the 6th light delivery module, the 6th supply module, the 4th network element device comprises the 7th supply module, the 7th light delivery module, the 7th switched communication module, the 8th switched communication module, the 8th light delivery module, the 8th supply module, wherein, the first light delivery module links to each other by optical fiber link with the 3rd light delivery module, the 3rd light delivery module links to each other by optical fiber link with the 5th light delivery module, the 5th light delivery module links to each other by optical fiber link with the 7th light delivery module, the 7th light delivery module links to each other by optical fiber link with the first light delivery module, forms a ring-type link; The second light delivery module links to each other by optical fiber link with the 4th light delivery module, the 4th light delivery module links to each other by optical fiber link with the 6th light delivery module, the 6th light delivery module links to each other by optical fiber link with the 8th light delivery module, the 8th light delivery module links to each other by optical fiber link with the second light delivery module, forms the ring-type link of a redundancy.
4. Ship Power Equipment operation and control information transmission system as claimed in claim 3, it is characterized in that: the terminal equipment of described outside access user comprises first terminal equipment, described first terminal equipment is linked in the described operation and control information transmission system by 2 ethernet lines, first terminal equipment jumps on the switched communication module and a switched communication module in the 3rd network element device in the first network element device simultaneously, realizes other the redundant access of inter-network element level.
5. Ship Power Equipment operation and control information transmission system as claimed in claim 3, it is characterized in that: the terminal equipment of described outside access user comprises the second terminal equipment, described the second terminal equipment is linked in the described operation and control information transmission system by 2 ethernet lines, the second terminal equipment jumps on two switched communication modules of the second network element device simultaneously, realizes other the redundant access of cross-module level.
6. Ship Power Equipment operation and control information transmission system as claimed in claim 3, it is characterized in that: described the first network element device comprises the first mainboard, the first light delivery module, the second light delivery module, the first switched communication module, the second switched communication module, the first supply module and the second supply module all link to each other with the first mainboard, the first supply module and the second supply module are powered to each functional module by the first mainboard, the first mainboard is realized power supply and information exchange functions each other as bus backplane; The first light delivery module and the second light delivery module all are connected to the network element device of adjacent both sides simultaneously, guarantee the optical fiber link redundancy communication function of the first network element device; The first switched communication module and the second switched communication module all are connected to the first light delivery module and the second light delivery module simultaneously by the interface of gigabit speed, also link to each other by the gigabit communication link between the first switched communication module and the second switched communication module.
7. Ship Power Equipment operation and control information transmission system as claimed in claim 6, it is characterized in that: at the cabinet inside of the first network element device, the first supply module and the second supply module are close to respectively cabinet inwall both sides layout, and 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.
8. such as each described Ship Power Equipment operation and control information transmission system in the claim 1 to 7, it is characterized in that: the power consumption of every network element device is 120W.
9. such as each described Ship Power Equipment operation and control information transmission system in the claim 1 to 7, it is characterized in that: the traffic rate of realizing 2.5Gbps between each network element device by optical fiber link.
10. such as each described Ship Power Equipment operation and control information transmission system in the claim 1 to 7, it is characterized in that: every 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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