CN207588861U - A kind of optical transmission line protects equipment - Google Patents
A kind of optical transmission line protects equipment Download PDFInfo
- Publication number
- CN207588861U CN207588861U CN201721431144.8U CN201721431144U CN207588861U CN 207588861 U CN207588861 U CN 207588861U CN 201721431144 U CN201721431144 U CN 201721431144U CN 207588861 U CN207588861 U CN 207588861U
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- China
- Prior art keywords
- fiber splitter
- switching unit
- optical signal
- optical
- control mainboard
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- 230000003287 optical effect Effects 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Optical Communication System (AREA)
Abstract
The utility model discloses a kind of optical transmission lines to protect equipment,Including control mainboard,First optical signal detector,Second optical signal detector,Third optical signal detector,First fiber splitter,Second fiber splitter,Third fiber splitter,First switching unit,Second switching unit,The control mainboard is equipped with light device sending port,Light device receiving port,Working end input interface and spare end input interface,Optical signal is connect after the first light splitting by working port with Optical Transmission Network OTN equipment,The optical signal of passback accesses light device side after the second light splitting or third light splitting under the control of the second switching unit by light device receiving port,The utility model detects the quick protection for realizing circuit by luminous power,ITU TG.783 and ITU TG.841 standards should be met by automatically switching recovery time,Less than 50ms.
Description
Technical field
The utility model belongs to the protection of technical field of electric power communication more particularly to optical transmission device.
Background technology
The current optical transmission device of power industry mainly has SDH, OTH, optical Ethernet interchanger etc., these equipment all have
Related defencive function, but also there are many problems.For example, the self-healing ring protection of SDH systems has, power application is also extensive,
Business can be automatically replied in real time, but SDH network needs to have into belt from Single Point of Faliure by the networking structure of SDH Self-healing Rings
There is defencive function, but due to geographical environment, the requirement of modes of devices technology etc., the optical transmission link or branch of national grid communication
There are a large amount of link networkings in the system of road, multipoint fault can not be resisted.And light path divided current can provide business and hinder protection entirely, but
The business for obstacle occur, which is lacked, to be protected, and by the protected mode of manual dispatching, efficiency is low, and business is without guarantee.
Invention content
For defect in the prior art and technical problem, the utility model provides a kind of optical transmission line protection
Equipment detects the quick protection for realizing circuit by luminous power, and automatic switchover recovery time should meet ITU-TG.783 and ITU-
TG.841 standards, less than 50ms.
In order to solve the above technical problems, the utility model uses following technical scheme：A kind of optical transmission line protects equipment,
Including control mainboard, the first optical signal detector, the second optical signal detector, third optical signal detector, the first optical fibre light splitting
Device, the second fiber splitter, third fiber splitter, the first switching unit, the second switching unit, the control mainboard are equipped with light
Equipment sending port, light device receiving port, working end input interface and spare end input interface, the light device sending port
It is sequentially connected with the first fiber splitter and the first switching unit；First optical signal detector and the first fiber splitter connect
It connects, and is connect with control mainboard signal, the work being equipped with for being accessed with communication network optical transmission device of the first switching unit
Make end output interface and spare end output interface, the working end input interface and spare end input interface respectively with the second optical fiber
Optical splitter is connected with third fiber splitter, and the output terminal of second fiber splitter and third fiber splitter is respectively with
Two switching units connect, and the output terminal of the switching unit is connect with light device receiving port；Second optical signal detector
It connect with the second fiber splitter and third fiber splitter with third optical signal detector, and connects with control mainboard signal respectively
It connects, the first switching unit and the second switching unit are connect respectively with control mainboard signal.
Preferably, the control mainboard is additionally provided with network management interface.
Preferably, power supply is further included, so as to provide DC48V and AC220V power supplys.
Preferably, the light device sending port, light device receiving port, working end input interface and the input of spare end
Interface uses SC optical interfaces.
Advantageous effect：Relative to the prior art, the utility model is with the following functions：High-speed light power collecting and alarm,
Switching is rapid；Filter with low insertion loss；It powers on, power down is kept, unglazed self-locking, the safe and punctual action of safeguards system；Support multiband, big intensity
Light transmits；It supports a variety of switching modes, dual power supply backup, and supports remote control.
Description of the drawings
Fig. 1 is the structure diagram that optical transmission line described in the utility model protects equipment.
Specific embodiment
With reference to specific embodiments and the drawings, the utility model is described in further detail.
As shown in Figure 1, the optical transmission line protection equipment of the utility model, including control mainboard, the first optical signal detection
Device, the second optical signal detector, third optical signal detector, the first fiber splitter, the second fiber splitter, third optical fiber point
Light device, the first switching unit, the second switching unit, the control mainboard be equipped with light device sending port, light device receiving port,
Working end input interface and spare end input interface, the light device sending port and the first fiber splitter and the first switching list
Member is sequentially connected；First optical signal detector is connect with the first fiber splitter, and is connect with control mainboard signal, described
First switching unit is equipped with for the working end output interface accessed with communication network optical transmission device and spare end output interface,
The passback optical signal of the optical transmission device of communication network accesses this practicality newly by working end input interface or spare end input interface
Type protects equipment.Working end input interface and spare end input interface respectively with the second fiber splitter and third fiber splitter
The output terminal of connection, second fiber splitter and third fiber splitter is connect respectively with the second switching unit, the throwing
The output terminal of cut unit is connect with light device receiving port；Second optical signal detector and third optical signal detector difference
Connect with the second fiber splitter and third fiber splitter, and connect with control mainboard signal, the first switching unit and
Second switching unit is connect respectively with control mainboard signal.
Optical signal is accessed by light device side transmission interface and carries out first time light splitting, the first optical signal detector detection light
Signal simultaneously enables working end or spare end fiber optic communication with the first fling-cut switch of control mainboard communication control, and line side light device returns
After communication number accesses this equipment, connecing for light device side is entered by the second light splitting or third light splitting under the control of the second switch unit
Receiving end mouth.Optical signal detector detects the road fiber optic communication situation during being somebody's turn to do, so as to feed back to control mainboard so as to switching
Unit sends out switching command.
The utility model uses standard rack type structure, is mountable to 19-inch standard cabinet, power supply for DC48V or
AC220V, and pass through Ethernet network management interface and carry out remote control, optical port preferably uses SC optical interfaces.
Claims (4)
1. a kind of optical transmission line protects equipment, it is characterised in that：Including control mainboard, the first optical signal detector, the second light
Signal sensor, third optical signal detector, the first fiber splitter, the second fiber splitter, third fiber splitter, first
Switching unit, the second switching unit, the control mainboard are defeated equipped with light device sending port, light device receiving port, working end
Incoming interface and spare end input interface, the light device sending port connect successively with the first fiber splitter and the first switching unit
It connects；First optical signal detector is connect with the first fiber splitter, and is connect with control mainboard signal, first switching
Unit is equipped with for the working end output interface accessed with communication network optical transmission device and spare end output interface, the work
End input interface and spare end input interface are connect respectively with the second fiber splitter and third fiber splitter, second light
The output terminal of fine optical splitter and third fiber splitter is connect respectively with the second switching unit, the output terminal of the switching unit with
Light device receiving port connects；Second optical signal detector and third optical signal detector respectively with the second fiber splitter
It connects with third fiber splitter, and is connect with control mainboard signal, the first switching unit and the second switching unit difference
It is connect with control mainboard signal.
2. optical transmission line protection equipment according to claim 1, it is characterised in that：The control mainboard is additionally provided with webmaster and connects
Mouthful.
3. optical transmission line protection equipment according to claim 1, it is characterised in that：Further include power supply.
4. optical transmission line protection equipment according to claim 1, it is characterised in that：The light device sending port, light are set
Standby receiving port, working end input interface and spare end input interface use SC optical interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431144.8U CN207588861U (en) | 2017-11-01 | 2017-11-01 | A kind of optical transmission line protects equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431144.8U CN207588861U (en) | 2017-11-01 | 2017-11-01 | A kind of optical transmission line protects equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588861U true CN207588861U (en) | 2018-07-06 |
Family
ID=62730257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431144.8U Active CN207588861U (en) | 2017-11-01 | 2017-11-01 | A kind of optical transmission line protects equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951226A (en) * | 2019-04-04 | 2019-06-28 | 南京杰德科技有限公司 | Optical fiber other end light device device connection status detection and method |
-
2017
- 2017-11-01 CN CN201721431144.8U patent/CN207588861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951226A (en) * | 2019-04-04 | 2019-06-28 | 南京杰德科技有限公司 | Optical fiber other end light device device connection status detection and method |
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