CN105162514B - Optical fiber ring network communication system and method - Google Patents
Optical fiber ring network communication system and method Download PDFInfo
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- CN105162514B CN105162514B CN201510615802.8A CN201510615802A CN105162514B CN 105162514 B CN105162514 B CN 105162514B CN 201510615802 A CN201510615802 A CN 201510615802A CN 105162514 B CN105162514 B CN 105162514B
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Abstract
The invention discloses a kind of optical fiber ring network communication systems and method, system to include:The optical fiber ring network is sequentially connected the ring topology that a closure is collectively formed by network management device and multiple node devices, and optical branch device and optical switch device are equipped on each node device;Wherein, the optical branch device, for the optical signal received to be divided into identical two ways of optical signals, wherein optical signal directly inputs the optical switch device all the way, another way optical signal is inputted in the node device;The optical switch device is connect with next node equipment, for the optical signal all the way to be input to next node equipment when the node device failure.The present invention greatly enhances the reliability of optical fiber ring network, so as to increase the reliability of system operation.
Description
Technical field
The present invention relates to fiber optic communication field, more particularly to a kind of optical fiber ring network communication system and method.
Background technology
Loop network topology structure (Ring Network Topology), is the enclosed shape topological structure for not needing to terminator.Net
Each node device in network structure is connected in a manner of hand-in-hand, is continuously connected on network management device, is collectively formed one
The ring topology of a closure.When there is arbitrary two equipment to break down in this ring network structure, this two failures are may result in
All fault-free equipment communication between equipment is broken down, and leads to data transmission fails.
Therefore, it is necessary to a kind of technical solution is provided, to solve when any two node in optical fiber ring network topological structure
When equipment breaks down, the problem of the data energy normal communication of all fault-free equipment between two node failure equipment.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, a kind of optical fiber ring network communication system is provided
System and method, it is intended to solve when any two node device in optical fiber ring network topological structure breaks down, two nodes events
The problem of hindering the data energy normal communication of all fault-free equipment between equipment.
In order to solve the above-mentioned technical problem, first, the present invention provides a kind of optical fiber ring network communicating node device, including light
Electric modular converter, data processing and control module and electrooptic conversion module;It is characterized in that, further including optical branch device and light is opened
Close device;The optical switch device is provided with port A and access interface B;The optical branch device, for the light received to be believed
Number it is divided into identical two ways of optical signals, wherein optical signal directly inputs the port A of the optical switch device all the way;Another way light is believed
Number input photoelectric conversion module, is exported by electrooptic conversion module to the light again after data processing and control module processing
The port B of switching device.
Further, the optical branch device is 1:2 passive Light splitter toy.
Further, the optical switch device is active photoswitch.
Further, port-for-port A is connected in the optical switch device power-off, is powered and is connected port-for-port B.
Secondly, the present invention provides a kind of optical fiber ring network communication systems, which is characterized in that including network management device and more
A node device, network management device and multiple node devices are in turn connected to form a closure ring topology;The net
Network management equipment one end is connect with the optical branch device input terminal of a node device, the photoswitch dress of the other end and a node device
Put port connection;The optical switch device port of previous node equipment is connect with the optical branch device input terminal of latter node device.
Again, the present invention provides a kind of optical fiber ring network communication means, it is characterised in that:This method comprises the following steps:
S1:Network management device one end is connect with the optical branch device input terminal of a node device, the other end and a node
The optical switch device port connection of equipment;The optical switch device port of previous node equipment is filled with the optical branching of latter node device
Put input terminal connection;
S2, each node device the optical branch device optical signal received is divided into identical two ways of optical signals,
Wherein optical signal directly inputs the port A of the optical switch device all the way, and another way optical signal inputs the photoelectric conversion module,
It is exported again by electrooptic conversion module to the port B of the optical switch device after data processing and control module processing;
S3, when node device works normally, the switch pole of optical switching device is in non-and leads in port B, at this time port A ends
Logical state is transferred to next economize on electricity by the port B of optical switching device from the optical signal all the way that the optical branch device exports and sets
It is standby;
S4, when node device breaks down, the switch pole of optical switching device is in port A, from the optical branch device
The optical signal all the way of output is transferred to next node equipment from port A ends.
Further, the optical branch device is 1:2 passive Light splitter toy.
Further, the optical switch device is active photoswitch.
Compared with prior art, beneficial effects of the present invention:
Increase optical branch device and photoswitch in each node device structure of the present invention in original optical fiber ring network system
The optical signal that node device receives is divided into identical two ways of optical signals by device, the optical branch device, wherein light is believed all the way
Number directly input the optical switch device, in another way optical signal input node equipment, the optical switch device and next node
Equipment connects, for the optical signal all the way to be input to next node equipment when the node device failure.The present invention makes
Next node equipment can be still passed to by obtaining node device failure optical signal, so as to ensure that any trouble-free node device
Signal transmission can be gone out, greatly strengthen the reliability of optical fiber ring network topological structure communication.
Description of the drawings:
Fig. 1 is optical fiber ring network communication system schematic diagram of the present invention;
Fig. 2 is the optical fiber ring network communication system schematic diagram in one embodiment of the invention;
When Fig. 3 is node device normal work, optical signal transmission structure diagram;
When Fig. 4 is node device failure, optical signal transmission structure diagram.
Specific embodiment
The present invention is described in further detail With reference to embodiment.But this should not be interpreted as to the present invention
The range of above-mentioned theme is only limitted to following embodiment, all models that the present invention is belonged to based on the technology that the content of present invention is realized
It encloses.
The present invention provides a kind of optical fiber ring network communication system, and the optical fiber ring network is set by network management device and multiple nodes
It is standby to be sequentially connected the ring topology that a closure is collectively formed, be equipped on each node device optical branch device and
Optical switch device;Wherein, the optical branch device, for the optical signal received to be divided into identical two ways of optical signals, wherein
Optical signal directly inputs the optical switch device all the way, and another way optical signal is inputted in the node device;The photoswitch dress
It puts, is connect with next node equipment, for the optical signal all the way to be input to next node when the node device failure
Equipment.
Increase optical branch device and light in each node device structure of the present system in original optical fiber ring network system
The optical signal that node device receives is divided into identical two ways of optical signals by switching device, the optical branch device, wherein all the way
Optical signal directly inputs the optical switch device, in another way optical signal input node equipment, the optical switch device with it is next
Node device connects, for the optical signal all the way to be input to next node equipment when the node device failure.This hair
It is bright so that node device failure optical signal can still be passed to next node equipment, so as to ensure that any trouble-free node
Equipment can go out signal transmission, greatly strengthen the reliability of optical fiber ring network topological structure communication.
Illustrate the present invention with reference to specific embodiment.Specifically, referring to Fig. 1-2, the optical fiber ring network is by network management
Equipment and multiple node devices (1-N), which are sequentially connected, is collectively formed a ring topology being closed, each in the present embodiment
Optical branch device and optical switch device are equipped on the node device (1,2,3,4,5).For the convenience of description, only one in Fig. 2
A node device 5 shows optical branch device 501 and optical switch device 502, this is not used in the restriction present invention.Wherein, the light point
Road device 501, for the optical signal from previous node equipment 3 received to be divided into identical two ways of optical signals, wherein one
Road optical signal directly inputs the optical switch device 502, and another way optical signal is inputted in the node device 5;The photoswitch
Device 502 is connect with next node equipment 4, for being input to down the optical signal all the way when 5 failure of node device
One node device 4.Optical branch device 501 described in the present embodiment is 1:2 passive Light splitter toy.The optical switch device 502 is has
Source photoswitch, the active photoswitch there are two optical signal access interface (A, B), the default setting switch pole of photoswitch at A ends,
A end interfaces are used for accessing the optical signal all the way that the optical branch device directly exports, and the B ends of photoswitch are that connection electric light turns
Change the mold the optical signal of block output.
When node device works normally, by control line by the switch pole of photoswitch at B ends, A ends are in non-and lead at this time
Logical state, from optical signal cannot be inputted from A ends all the way described in optical branch device output;
It, can not be by controlling the switch pole of line traffic control photoswitch when node device breaks down, photoswitch at this time is opened
It closes pole and is in A ends, next node equipment is transferred to after optical signal is inputted from A ends all the way described in optical branch device output
In.
Whether passive Light splitter toy and active photoswitch in the present invention have other alternative schemes to realize same technology
Function, if must be centainly that passive Light splitter toy or active photoswitch could realize goal of the inventionIf other devices or element can
To realize, please provide as possible.
Each node device has photoelectric conversion module, the another way optical signal of the optical branch device output
The photoelectric conversion module inputted in the node device is to carry out data processing in equipment;The optical switch device is by described in
The optical signal all the way of optical branch device output is input to the photoelectric conversion module in next node equipment to be set
Standby interior data processing.
The embodiment of the present invention increases passive Light splitter toy and active photoswitch in original node device structure, and optical signal passes through
Light splitter toy enters equipment, and the optical signal of access can be divided into two-way by Light splitter toy, is directly connected to photoswitch, another way access light all the way
Electric transducer carries out the data processing in equipment.There are two gear two optical signal incoming ends of A, B as shown in Figure 4, light for photoswitch
Default setting (being exactly when photoswitch does not have electric drive, the i.e. off working state) switch pole of switch is used in A ends, A end interfaces
Access the optical signal that optical splitter directly exports, the B ends of photoswitch are the optical signals for connecting electrooptic conversion module output.
As shown in figure 3, when node device works normally, by control line by the switch pole of photoswitch at B ends, A at this time
In nonconducting state, the optical signal exported from optical splitter can not be inputted from A ends at end;Occur as shown in Figure 4 in node device
It, can not be by controlling the switch pole of line traffic control photoswitch during failure, photoswitch switch pole at this time is in A ends, defeated from optical splitter
The optical signal gone out is transferred to next node equipment after being inputted from A ends and suffers, so as to ensure that any trouble-free node
Equipment can go out signal transmission, greatly strengthen the communication reliability of optical fiber ring network topological structure.Using the technology of the present invention
Scheme can greatly enhance the reliability of optical fiber ring network, so as to increase the operating of the reliability of system.
Increase optical branch device and photoswitch in each node device structure of the present invention in original optical fiber ring network system
The optical signal that node device receives is divided into identical two ways of optical signals by device, the optical branch device, wherein light is believed all the way
Number directly input the optical switch device, in another way optical signal input node equipment, the optical switch device and next node
Equipment connects, for the optical signal all the way to be input to next node equipment when the node device failure.The present invention makes
Next node equipment can be still passed to by obtaining node device failure optical signal, so as to ensure that any trouble-free node device
Signal transmission can be gone out, greatly strengthen the reliability of optical fiber ring network topological structure communication.
A kind of optical fiber ring network communication means, it is characterised in that:This method comprises the following steps:
S1:Network management device one end is connect with the optical branch device input terminal of a node device, the other end and a node
The optical switch device port connection of equipment;The optical switch device port of previous node equipment is filled with the optical branching of latter node device
Put input terminal connection;
S2, each node device the optical branch device optical signal received is divided into identical two ways of optical signals,
Wherein optical signal directly inputs the port A of the optical switch device all the way, and another way optical signal inputs the photoelectric conversion module,
It is exported again by electrooptic conversion module to the port B of the optical switch device after data processing and control module processing;
S3, when node device works normally, the switch pole of optical switching device is in non-and leads in port B, at this time port A ends
Logical state is transferred to next economize on electricity by the port B of optical switching device from the optical signal all the way that the optical branch device exports and sets
It is standby;
S4, when node device breaks down, the switch pole of optical switching device is in port A, from the optical branch device
The optical signal all the way of output is transferred to next node equipment from port A ends.
Increase optical branching dress in each node device structure of present system and method in original optical fiber ring network system
It puts and the optical signal that node device receives is divided into identical two ways of optical signals by optical switch device, the optical branch device,
In all the way optical signal directly input the optical switch device, in another way optical signal input node equipment, the optical switch device
It connect with next node equipment, is set for the optical signal all the way to be input to next node when the node device failure
It is standby.The invention enables node device failure optical signals can still be passed to next node equipment, so as to ensure that it is any without reason
The node device of barrier can go out signal transmission, greatly strengthen the reliability of optical fiber ring network topological structure communication.
The specific embodiment of the present invention is described in detail, but the present invention is not restricted to above in conjunction with attached drawing
Embodiment is stated, in the spirit and scope for not departing from claims hereof, those skilled in the art can make
Go out various modifications or remodeling.
Claims (7)
1. a kind of optical fiber ring network communicating node device, including photoelectric conversion module, data processing and control module and electro-optic conversion
Module;It is characterized in that, further include optical branch device and optical switch device;The optical switch device is provided with port A and access
Port B;The optical branch device, for the optical signal received to be divided into identical two ways of optical signals, wherein optical signal all the way
Directly input the port A of the optical switch device;Another way optical signal inputs the photoelectric conversion module, through data processing and control
It is exported again by electrooptic conversion module to the port B of the optical switch device after resume module processed;
Wherein, the photoswitch is active photoswitch;The default setting switch pole of the photoswitch is in A ports;
When node device works normally, by controlling the switch pole of photoswitch described in line traffic control in B ports, at this point, at A ports
In nonconducting state;
When node sets and breaks down, it is impossible to by controlling the switch pole of photoswitch described in line traffic control, at this point, photoswitch is opened
It closes pole and is in A ports.
2. node device according to claim 1, which is characterized in that the optical branch device is 1:2 passive Light splitter toy.
3. optical fiber ring network communicating node device according to claim 1, which is characterized in that the optical switch device power-off connects
Logical port-for-port A, is powered and connects port-for-port B.
4. a kind of optical fiber ring network communication system, which is characterized in that including network management device and multiple node devices;The node
Equipment is the optical fiber ring network communicating node device described in claim 1-3 any one;
Network management device and multiple node devices are in turn connected to form a closure ring topology;The network management is set
Standby one end is connect with the optical branch device input terminal of a node device, and the optical switch device port of the other end and a node device connects
It connects;The optical switch device port of previous node equipment is connect with the optical branch device input terminal of latter node device;Wherein, it is described
Photoswitch is active photoswitch.
5. a kind of optical fiber ring network communication means, it is characterised in that:This method comprises the following steps:
S1:Network management device one end is connect with the optical branch device input terminal of a node device, the other end and a node device
Optical switch device port connection;The optical switch device port of previous node equipment and the optical branch device of latter node device are defeated
Enter end connection;
S2, each node device the optical branch device optical signal received is divided into identical two ways of optical signals, wherein
Optical signal directly inputs the port A of the optical switch device, another way optical signal input photoelectric conversion module, at data all the way
It is exported again by electrooptic conversion module to the port B of the optical switch device after reason and control module processing;S3, in node device just
Often during work, the switch pole of optical switching device is in nonconducting state in port B, at this time port A ends, from the optical branch device
The optical signal all the way of output is transferred to next energy-saving device by the port B of optical switching device;
S4, when node device breaks down, the switch pole of optical switching device is in port A, from the optical branch device export
Optical signal all the way be transferred to next node equipment from port A ends.
6. optical fiber ring network communication means according to claim 5, which is characterized in that the optical branch device is 1:2 is passive
Light splitter toy.
7. optical fiber ring network communication means according to claim 5, which is characterized in that the optical switch device is opened for active light
It closes.
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CN107302484A (en) * | 2017-06-12 | 2017-10-27 | 深圳市诺龙技术股份有限公司 | A kind of method and apparatus of looped network self-healing |
CN107508631A (en) * | 2017-06-29 | 2017-12-22 | 北京广利核系统工程有限公司 | Communication by-pass collar, communication looped network and network communication method |
CN112449148B (en) * | 2019-08-30 | 2023-03-24 | 杭州海康威视数字技术股份有限公司 | Camera, camera system and data transmission system |
CN112260760B (en) * | 2020-10-19 | 2022-01-11 | 中国核动力研究设计院 | Nuclear power plant distributed control system field bus system based on optical loop |
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US6459516B1 (en) * | 1997-09-11 | 2002-10-01 | Ciena Corporation | Dense WDM add/drop multiplexer |
CN202940821U (en) * | 2012-09-05 | 2013-05-15 | 瑞斯康达科技发展股份有限公司 | Light bypass protection device |
CN205005051U (en) * | 2015-09-24 | 2016-01-27 | 中国民用航空总局第二研究所 | Optic fibre looped netowrk communication node equipment and system |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6459516B1 (en) * | 1997-09-11 | 2002-10-01 | Ciena Corporation | Dense WDM add/drop multiplexer |
CN202940821U (en) * | 2012-09-05 | 2013-05-15 | 瑞斯康达科技发展股份有限公司 | Light bypass protection device |
CN205005051U (en) * | 2015-09-24 | 2016-01-27 | 中国民用航空总局第二研究所 | Optic fibre looped netowrk communication node equipment and system |
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