CN205005051U - Optic fibre looped netowrk communication node equipment and system - Google Patents
Optic fibre looped netowrk communication node equipment and system Download PDFInfo
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- CN205005051U CN205005051U CN201520752074.0U CN201520752074U CN205005051U CN 205005051 U CN205005051 U CN 205005051U CN 201520752074 U CN201520752074 U CN 201520752074U CN 205005051 U CN205005051 U CN 205005051U
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Abstract
The utility model discloses an optic fibre looped netowrk communication node equipment and system, the system includes: the optic fibre looped netowrk connects gradually closed loop type topological structure of common formation, every by network management equipment and a plurality of node equipment all be equipped with light device and light switching device along separate routes on the node equipment, wherein, light is the device along separate routes for be divided into two way the same light signals with the received light signal, light signal direct input wherein goes the same way light switching device, another way optical signal input in the node equipment, light switching device is connected with next node equipment, is used for working as will during node equipment trouble optical signal input arrives next node equipment all the way. The utility model discloses strengthen the reliability of optic fibre looped netowrk greatly to the add -on system reliability of operation.
Description
Technical field
The utility model relates to fiber optic communication field, particularly a kind of optical fiber ring network communication system and method.
Background technology
Loop network topology structure (RingNetworkTopology) is the enclosed shape topological structure not needing terminator.Each node device in network configuration connects in hand-in-hand mode, is connected on network management device always, the ring topology that common formation one is closed.When there being any two equipment to break down in this ring network structure, all fault-free devices communicatings between these two faulty equipments will being caused to break down, cause data transmission fails.
Therefore, be necessary to provide a kind of technical scheme, to solve when any two node devices in optical fiber ring network topological structure break down, the problem of the data energy proper communication of all fault-free equipment between two node failure equipment.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency existing in prior art, a kind of optical fiber ring network communication system and method are provided, be intended to solve when any two node devices in optical fiber ring network topological structure break down, the problem of the data energy proper communication of all fault-free equipment between two node failure equipment.
In order to solve the problems of the technologies described above, first, the utility model provides a kind of optical fiber ring network communicating node device, comprises photoelectric conversion module, data processing and control module and electrooptic conversion module; It is characterized in that, also comprise optical branch device and optical switch device; Described optical switch device is provided with port A and access interface B; Described optical branch device, for the light signal received is divided into identical two ways of optical signals, wherein a road light signal directly inputs the port A of described optical switch device; Another road light signal inputs described photoelectric conversion module, is exported to the port B of described optical switch device after data processing and control module process again by electrooptic conversion module.
Further, described optical branch device is passive Light splitter toy or active Light splitter toy.
Further, described optical switch device is active optical switch.
Further, port-for-port A is connected in described optical switch device power-off, and port-for-port B is connected in energising.
Secondly, the utility model provides a kind of optical fiber ring network communication system, it is characterized in that, comprises network management device and multiple node device, and network management device and multiple node device are in turn connected to form a closed ring topology; Described network management device one end is connected with the optical branch device input of a node device, and the other end is connected with the optical switch device port of a node device; The optical switch device port of previous node equipment is connected with the optical branch device input of a rear node device.
Compared with prior art, the beneficial effects of the utility model:
Optical branch device and optical switch device is increased in each node device structure of the utility model in original optical fiber ring network system, the light signal that node device receives by described optical branch device is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device, in another road light signal input node equipment, described optical switch device and next node equipment connection, for being input to next node equipment by a described road light signal when described node device fault.The utility model makes node device fault optical signal still can import next node equipment into, thus ensure that Signal transmissions can be gone out by any trouble-free node device, greatly strengthen the reliability of optical fiber ring network topological structure communication.
Accompanying drawing explanation
Fig. 1 is the utility model optical fiber ring network communication system schematic diagram;
Fig. 2 is the utility model optical fiber ring network node device schematic diagram;
Fig. 3 is the utility model node device when normally working, optical signal transmission structural representation;
When Fig. 4 is the utility model node device fault, optical signal transmission structural representation.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
The utility model provides a kind of optical fiber ring network communication system, described optical fiber ring network is connected successively by network management device and multiple node device and jointly forms a closed ring topology, and each described node device is equipped with optical branch device and optical switch device; Wherein, described optical branch device, for the light signal received is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device, and another road light signal inputs in described node device; Described optical switch device, with next node equipment connection, for being input to next node equipment by a described road light signal when described node device fault.
Optical branch device and optical switch device is increased in each node device structure of the utility model system in original optical fiber ring network system, the light signal that node device receives by described optical branch device is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device, in another road light signal input node equipment, described optical switch device and next node equipment connection, for being input to next node equipment by a described road light signal when described node device fault.The utility model makes node device fault optical signal still can import next node equipment into, thus ensure that Signal transmissions can be gone out by any trouble-free node device, greatly strengthen the reliability of optical fiber ring network topological structure communication.
Below in conjunction with specific embodiment, the utility model is described.Concrete, referring to Fig. 1-2, described optical fiber ring network is connected successively by network management device and multiple node device (1-N) and jointly forms a closed ring topology, in the present embodiment, each described node device (1,2,3,4,5) is equipped with optical branch device and optical switch device.For convenience of description, in Fig. 2, only a node device 5 illustrates optical branch device 501 and optical switch device 502, and this is not used in restriction the utility model.Wherein, described optical branch device 501, for the light signal from previous node equipment 3 received is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device 502, and another road light signal inputs in described node device 5; Described optical switch device 502, is connected with next node equipment 4, for a described road light signal being input to next node equipment 4 when described node device 5 fault.Optical branch device 501 described in the present embodiment is the passive Light splitter toy of 1:2.Described optical switch device 502 is active optical switch, described active optical switch has two light signal access interface (A, B), the default setting switch pole of optical switch is held at A, A end interface is used for accessing the described road light signal that described optical branch device directly exports, and the B end of optical switch connects the light signal that electrooptic conversion module exports.
When node device normally works, held at B by the switch pole of control line by optical switch, now A end is in nonconducting state, and the described road light signal exported from described optical branch device can not from the input of A end;
When node device breaks down, cannot be controlled the switch pole of optical switch by control line, optical switch switch pole is now in A end, and the described road light signal exported from described optical branch device is transferred to next node equipment after the input of A end.
Each described node device has photoelectric conversion module, and another road light signal described that described optical branch device exports inputs described photoelectric conversion module in described node device to carry out data processing in equipment; The described road light signal that described optical branch device exports by described optical switch device is input to described photoelectric conversion module in next node equipment to carry out data processing in equipment.
The utility model embodiment increases passive Light splitter toy and active optical switch in original node device structure, light signal is by Light splitter toy access arrangement, the light signal of access can be divided into two-way by Light splitter toy, one tunnel directly connects optical switch, another road access optical-electrical converter, carries out the data processing in equipment.Optical switch has two gears A, B two light signal incoming ends as shown in Figure 4, the default setting of optical switch (is exactly do not have driven by power when optical switch, namely during non operating state) switch pole holds at A, A end interface is used for accessing the light signal that directly exports of optical splitter, and the B end of optical switch connects the light signal that electrooptic conversion module exports.
As shown in Figure 3, when node device normally works, held at B by the switch pole of control line by optical switch, now A end is in nonconducting state, and the light signal exported from optical splitter can not from the input of A end; As shown in Figure 4 when node device breaks down, the switch pole of optical switch cannot be controlled by control line, optical switch switch pole is now in A end, just can be transferred to next node equipment after the input of A end from the light signal of optical splitter output, thus ensure that Signal transmissions can be gone out by any trouble-free node device, greatly strengthen the communication reliability of optical fiber ring network topological structure.Adopt technical solutions of the utility model, greatly can strengthen the reliability of optical fiber ring network, thus increase the reliability running of system.
Optical branch device and optical switch device is increased in each node device structure of the utility model in original optical fiber ring network system, the light signal that node device receives by described optical branch device is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device, in another road light signal input node equipment, described optical switch device and next node equipment connection, for being input to next node equipment by a described road light signal when described node device fault.The utility model makes node device fault optical signal still can import next node equipment into, thus ensure that Signal transmissions can be gone out by any trouble-free node device, greatly strengthen the reliability of optical fiber ring network topological structure communication.
The course of work of optical fiber ring network communication system of the present utility model is as follows:
S1: network management device one end is connected with the optical branch device input of a node device, the other end is connected with the optical switch device port of a node device; The optical switch device port of previous node equipment is connected with the optical branch device input of a rear node device;
The light signal received is divided into identical two ways of optical signals by the described optical branch device of S2, each node device, wherein a road light signal directly inputs the port A of described optical switch device, another road light signal inputs described photoelectric conversion module, is exported to the port B of described optical switch device after data processing and control module process again by electrooptic conversion module;
S3, when node device normally works, the switch pole of optical switching device at port B, now port A end be in nonconducting state, the road light signal exported from described optical branch device 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, and the road light signal exported from described optical branch device is transferred to next node equipment from port A end.
Optical branch device and optical switch device is increased in each node device structure of the utility model system and method in original optical fiber ring network system, the light signal that node device receives by described optical branch device is divided into identical two ways of optical signals, wherein a road light signal directly inputs described optical switch device, in another road light signal input node equipment, described optical switch device and next node equipment connection, for being input to next node equipment by a described road light signal when described node device fault.The utility model makes node device fault optical signal still can import next node equipment into, thus ensure that Signal transmissions can be gone out by any trouble-free node device, greatly strengthen the reliability of optical fiber ring network topological structure communication.
By reference to the accompanying drawings embodiment of the present utility model is described in detail above, but the utility model is not restricted to above-mentioned execution mode, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (5)
1. an optical fiber ring network communicating node device, comprises photoelectric conversion module, data processing and control module and electrooptic conversion module; It is characterized in that, also comprise optical branch device and optical switch device;
Described optical switch device is provided with port A and port B;
Described optical branch device, for the light signal received is divided into identical two ways of optical signals, wherein:
One road light signal directly inputs the port A of described optical switch device;
Another road light signal inputs described photoelectric conversion module, is exported to the port B of described optical switch device after data processing and control module process again by electrooptic conversion module.
2. optical fiber ring network communicating node device according to claim 1, is characterized in that, described optical branch device is passive Light splitter toy or active Light splitter toy.
3. optical fiber ring network communicating node device according to claim 1, is characterized in that, described optical switch device is active optical switch.
4. optical fiber ring network communicating node device according to claim 1, is characterized in that, port-for-port A is connected in described optical switch device power-off, and port-for-port B is connected in energising.
5. an optical fiber ring network communication system, it is characterized in that, comprise network management device and multiple optical fiber ring network communicating node device as described in any one of claim 1-4, network management device and described multiple optical fiber ring network communicating node device are in turn connected to form a closed ring topology; Described network management device one end is connected with the optical branch device input of an optical fiber ring network communicating node device, and the other end is connected with the optical switch device port of an optical fiber ring network communicating node device; The optical switch device port of last optical fiber ring network communicating node device is connected with the optical branch device input of a rear optical fiber ring network communicating node device.
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| CN201520752074.0U CN205005051U (en) | 2015-09-24 | 2015-09-24 | Optic fibre looped netowrk communication node equipment and system |
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| CN201520752074.0U CN205005051U (en) | 2015-09-24 | 2015-09-24 | Optic fibre looped netowrk communication node equipment and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162514A (en) * | 2015-09-24 | 2015-12-16 | 中国民用航空总局第二研究所 | Optical fiber ring network communication system and method |
| 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 |
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2015
- 2015-09-24 CN CN201520752074.0U patent/CN205005051U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162514A (en) * | 2015-09-24 | 2015-12-16 | 中国民用航空总局第二研究所 | Optical fiber ring network communication system and method |
| CN105162514B (en) * | 2015-09-24 | 2018-07-03 | 中国民用航空总局第二研究所 | Optical fiber ring network communication system and method |
| 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 |
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