CN208621793U - A kind of band fibre optical path protective module - Google Patents
A kind of band fibre optical path protective module Download PDFInfo
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- CN208621793U CN208621793U CN201820854917.1U CN201820854917U CN208621793U CN 208621793 U CN208621793 U CN 208621793U CN 201820854917 U CN201820854917 U CN 201820854917U CN 208621793 U CN208621793 U CN 208621793U
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Abstract
The utility model relates to a kind of band fibre optical path protective modules, comprising: optical splitter will receive optical signal and be divided into branch optical signal；Fiber coupler, common end end receive optical signal, and output end is connect with photodetector, photoswitch respectively；The optical signal received is converted electric signal by photodetector；Photoswitch, branch end are connect with fiber coupler, common end output optical signal；Control circuit handles electric signal；Multichannel optical fiber connector, fiber coupler input signal are inputted by it, and optical splitter output signal is exported by it；LC type optical fiber connector.The structure of the utility model designs, and by means of the highly integrated property of multichannel optical fiber connector, volume, integrated level height, multichannel while the structure for saving optical path connection are simple, and stability is good, and technological operation is simpler.
Description
Technical field
The utility model relates to fiber optic communication field more particularly to a kind of band fibre optical path protective modules.
Background technique
In fiber optic communication systems, it when receiving unit receives very strong optical signal, is protected since receiving unit lacks
Circuit leads to receiving unit breakdown damage.
Multichannel optical fiber connector (MPO) is a kind of multicore multichannel plug-in optical fiber connector, it passes through insertion core end face
Upper two guide holes are accurately positioned, and realize the coupling of multichannel optical signal.It is mainly characterized in that small in size, precision is high, density is big,
It is widely used in the high concentration environments such as optical transceiver modules, the data centers such as FTTB, optical splitter, 40G/100G SFP SFP+.
Summary of the invention
Lower, single channel volume that the purpose of this utility model is to provide a kind of solution conventional light path protective module integrated levels compared with
Big scheme, by realizing modular integrated, diminution module volume, reduction mould with the fine use with multichannel optical fiber connector
Block link cost saves more resources.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of band fibre optical path guarantor
Module is protected, light is connected with output type optical fiber connector by imported optical fiber connector connection light emission component and receives component, institute
Stating module includes the optical branching component for being connected to light emission component and receiving the issued optical signal of light emission component, and is connected to
Light receives component and protects component to the strong light that light receives component conveying optical signal；The optical branching component and the strong light protection
Multichannel optical fiber connector is connected between component, optical branching component is connected to the input terminal of multichannel optical fiber connector, described
Strong light protection component is connected to the output end of multichannel optical fiber connector；The optical branching component has optical splitter, the light
The input terminal of splitter connects imported optical fiber connector, the input terminal of output end connecting multi-channel optical fiber connector；It is described
Strong light protection component includes fiber coupler, photodetector and photoswitch, and the common end of the fiber coupler connects multi-pass
The output end of road optical fiber connector, the output end of the fiber coupler are separately connected point of photodetector and the photoswitch
The common end of terminal, the photoswitch connects output type optical fiber connector.
Preferably, the imported optical fiber connector and output type optical fiber connector are all LC type optical fiber connector, and defeated
Enter type optical fiber connector and output type optical fiber connector at least respectively has one, the imported optical fiber connector is by light emission component
The optical signal of sending is input to optical branching component, and the optical signal that the output type optical fiber connector exports strong light protection component is defeated
Receive component to light out.
Preferably, the optical splitter is 1 × 2 optical splitter, 50/50 output.
Preferably, the fiber coupler is to draw 1 × 2 fiber coupler of bevel-type, and 5/95 output increases photodetector
Monitoring range.
Preferably, the photodetector is photodiode, and is corresponded with fiber coupler, the photodetection
The received branch optical signal of fiber coupler is converted electric signal by device.
Preferably, the photoswitch is 1 × 2 mechanical optical switch, and switching time is no more than 4 milliseconds.
Preferably, the port number of the multichannel optical fiber connector be even number and at least four-way and with optical splitter,
The corresponding connection of fiber coupler.
Preferably, the band fibre optical path protective module connection light emission component, light receive component and pass through optical fiber connector
Adapter connection.
Preferably, the band fibre optical path protective module connection light emission component, light receive component and pass through bundling optical fiber wire jumper
Connection.
Compared with prior art, the benificial effect of the utility model is to the utility model band fibre optical path protective module, passes through
The monitoring range that fiber coupler increases photodetector is added, by band it is fine and multichannel optical fiber connector (MPO) use,
The highly integrated property of optical path protective module is realized, multichannel, the volume for having saved single channel light save link cost, structure letter
Single, stability is good
Detailed description of the invention
Fig. 1 is the inside index path of one specific embodiment of band fibre optical path protective module described in the utility model；
Fig. 2 is the port connection schematic diagram of one specific embodiment of fibre optical path protective module described in the utility model band；
Fig. 3 is for multichannel optical fiber connector described in the utility model and with fine connection schematic diagram.
In figure: 10- optical branching component；1- optical splitter；The strong light of 20- protects component；2- fiber coupler；3- photoelectricity is visited
Survey device；4- photoswitch；5- multichannel optical fiber connector；The imported optical fiber connector of 61- first；The imported optical fiber of 62- second connects
Connect device；63- the first output type optical fiber connector；64- the second output type optical fiber connector.
Specific embodiment
The protection of the utility model Miniaturized double-path optical path is described in further detail with reference to the accompanying drawing.
A kind of band fibre optical path protective module as depicted in figs. 1 and 2 connects light emitting group by imported optical fiber connector
Part (not shown) connects light with output type optical fiber connector and receives component (not shown), and the module includes being connected to
Light emission component and the optical branching component 10 for receiving the issued optical signal of light emission component, and be connected to light and receive component simultaneously
The strong light for receiving component conveying optical signal to light protects component 20；The optical branching component 10 and strong light protection component 20 it
Between be connected with multichannel optical fiber connector 5, optical branching component 10 is connected to the input terminal of multichannel optical fiber connector 5, described strong
Light protection component 20 is connected to the output end of multichannel optical fiber connector 5；There are two optical splitters for the tool of optical branching component 10
1, the input terminal of described two optical splitters 1 is separately connected the first imported optical fiber connector 61 and connects with the second imported optical fiber
Device 62, the input terminal of output end connecting multi-channel optical fiber connector 5；The strong light protection component 20 includes 4 fiber couplings
2,4 photodetector 3 and 2 optoelectronic switches 4 of device, the common end connecting multi-channel optical fiber connection of 4 fiber couplers 2
The output end of device 5, the output end of 4 fiber couplers 2 are separately connected 4 photodetectors 3 and 2 photoswitches 4
4 branch ends, the common end of 2 photoswitches 4 is separately connected the first output type optical fiber connector 63 and the second output type
Optical fiber connector 64；
Wherein the first imported optical fiber connector 61, the second imported optical fiber connector 62, the connection of the first output type optical fiber
Device 63 and the second output type optical fiber connector 64 are all LC type optical fiber connector, and two optical splitters 1 use 1 × 2 optical splitter,
50/50 output, the optical signal beam splitting that light emission component is issued are optical signal similar in two beam powers, 4 fiber couplings
Device 2 is to draw 1 × 2 fiber coupler of bevel-type, 5/95 output, 4 photodetectors 3 are photodiode PD1, PD2, PD3,
PD4,2 photoswitches 4 are 1 × 2 mechanical optical switch, and switching time is no more than 4 milliseconds, and the multichannel optical fiber connects
The port number for connecing device is eight channels；
Two beams independent optical signal T1I, T2I that light emission component issues pass through the first imported optical fiber connector respectively
61, the second imported optical fiber connector 62 is input to optical branching component 10, and two beams independent optical signal T1I, T2I pass through respectively
Two each beam splitting of optical splitter 1 are T1O1, T1O2 two-way output optical signal and T2O1, T2O2 two-way output optical signal, output light
Signal T1O1, T1O2, T2O1, T2O2 are to multichannel optical fiber connector 5 and to be then passed through 5 output end of multichannel optical fiber connector defeated
Optical signal R1I1, R1I2, R2I1, R2I2 protect component 20 to strong light, and input optical signal R1I1, R1I2, R2I1, R2I2 divide
It is not input to 42 common ends of fiber coupler, two output ends of each fiber coupler 2 have been respectively coupled a photoelectricity
The branch end of detector 3 and photoswitch 4, the common end of described two photoswitches 4 are separately connected the first output type optical fiber connector
63 and second output type optical fiber connector 64 and pass through the first output type optical fiber connector 63 and the second output type optical fiber connector
Optical signal R1O, R2O that 64 output photoswitches 4 export receive component to light.
Specifically, input optical signal R1I1 enters 2 common end of fiber coupler, 95% output end of fiber coupler 2 with
Photoswitch 4 connects, and 5% output end is connect with photoelectric detector PD 1, and photoelectric detector PD 1 is converted to the optical signal received
Electric signal input control circuit, when the electric signal is no more than protective current, photoswitch 4 connects 1. → 3. optical path, fiber coupling
95% output end optical signal of device 2 is exported from the port of 4 common end of photoswitch, and R1I1 input optical signal is public from photoswitch 4 at this time
The output optical signal R1O held altogether；When the electric signal of 3 input control circuit of photodetector exceeds protective current, photoswitch 4 is connect
It is logical 1. → 2. circuit, R1I2 input optical signal exports from 4 common end of photoswitch and passes through the first output type optical fiber connector at this time
63 output optical signal R1O receive component to light；
Input optical signal R1I2 enters 2 common end of fiber coupler, 95% output end and photoswitch 4 of fiber coupler 2
Connection, 5% output end connect with photoelectric detector PD 2, and it is defeated that the optical signal received is converted to electric signal by photoelectric detector PD 2
Enter control circuit, when the electric signal is no more than protective current, photoswitch 4 connects 1. → 3. optical path, fiber coupler 2
95% output end optical signal is exported from the port of 4 common end of photoswitch, and R1I2 input optical signal is from 4 common end of photoswitch at this time
Output optical signal R1O；When the electric signal of 3 input control circuit of photodetector exceed protective current when, photoswitch 4 connect 1. →
2. circuit, R1I1 input optical signal exports from 4 common end of photoswitch and passes through the output of the first output type optical fiber connector 63 at this time
Optical signal R1O receives component to light；
Input optical signal R2I1 enters 2 common end of fiber coupler, 95% output end and photoswitch 4 of fiber coupler 2
Connection, 5% output end connect with photoelectric detector PD 3, and it is defeated that the optical signal received is converted to electric signal by photoelectric detector PD 3
Enter control circuit, when the electric signal is no more than protective current, photoswitch 4 connects 1. → 3. optical path, fiber coupler 2
95% output end optical signal is exported from the port of 4 common end of photoswitch, and R2I1 input optical signal is from 4 common end of photoswitch at this time
Output optical signal R2O；When the electric signal of 3 input control circuit of photodetector exceeds protective current, 1. photoswitch 4 is connected
→ 2. circuit, R2I2 input optical signal is exported from 4 common end of photoswitch at this time and to pass through the second output type optical fiber connector 64 defeated
Optical signals R2O receives component to light；
Input optical signal R2I2 enters 2 common end of fiber coupler, 95% output end and photoswitch 4 of fiber coupler 2
Connection, 5% output end connect with photoelectric detector PD 4, and it is defeated that the optical signal received is converted to electric signal by photoelectric detector PD 4
Enter control circuit, when the electric signal is no more than protective current, photoswitch 4 connects 1. → 3. optical path, fiber coupler 2
95% output end optical signal is exported from the port of 4 common end of photoswitch, and R2I2 input optical signal is from 4 common end of photoswitch at this time
Output optical signal R2O；When the electric signal of 3 input control circuit of photodetector exceeds protective current, 1. photoswitch 4 is connected
→ 2. circuit, R2I1 input optical signal is exported from 4 common end of photoswitch at this time and to pass through the second output type optical fiber connector 64 defeated
Optical signals R2O receives component to light, enhances stabilization of equipment performance by this structure, when main light source output optical signal is too strong, causes
When making equipment that can not work, standby power source is enabled, communication equipment is avoided to shut down.
The multichannel optical fiber connector 5 used in the utility model as shown in Figure 3 for 8 core APC MTP optical fiber connectors, and
The parameters such as its optics, end face, 3D meet IEC61754-7:2004 related request, R1I1, R1I2, R2I1, R2I2 input light letter
Number and T1O1, T1O2, T2O1, T2O2 output optical signal to pass through band fine with the input of multichannel optical fiber connector 5, output, by multichannel
Optical signal is integrated on a band fibre, saves entire module connecting body product, and module is made to be easy to receive and dispatch with 40G/100G light
Module connection, it is upper advantageous in following optical communication system upgrading；
In another embodiment, the band fibre optical path protective module connection light emission component, light receive component and pass through light
The connection of fiber connector adapter (not shown).
In another embodiment, the band fibre optical path protective module connection light emission component, light receive component and pass through boundling
The connection of optical patchcord (not shown), ensure that the compatibility of system.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is limited to the embodiment, those skilled in the art can also make under the premise of without prejudice to the utility model creative spirit
Various equivalent variation or replacement, these equivalent variation or replacement are all contained in the claim of this application limited range
It is interior.
Claims (9)
1. a kind of band fibre optical path protective module connects light emission component by imported optical fiber connector and connects with output type optical fiber
Device connection light receives component, it is characterised in that: the module includes being connected to light emission component and receiving light emission component to be sent out
The optical branching component of optical signals, and it is connected to the strong light protection group that light receives component and receives component conveying optical signal to light
Part；Multichannel optical fiber connector, the connection of optical branching component are connected between the optical branching component and the strong light protection component
In the input terminal of multichannel optical fiber connector, the strong light protection component is connected to the output end of multichannel optical fiber connector；Institute
Optical branching component is stated with optical splitter, the input terminal of the optical splitter connects imported optical fiber connector, and output end connects
Connect the input terminal of multichannel optical fiber connector；The strong light protection component includes fiber coupler, photodetector and photoswitch,
The output end of the common end connecting multi-channel optical fiber connector of the fiber coupler, the output end difference of the fiber coupler
The branch end of photodetector and the photoswitch is connected, the common end of the photoswitch connects output type optical fiber connector.
2. band fibre optical path protective module according to claim 1, it is characterised in that: the imported optical fiber connector and defeated
Type optical fiber connector is all LC type optical fiber connector out, and imported optical fiber connector and output type optical fiber connector at least respectively have
One, the optical signal that light emission component issues is input to optical branching component, the output type by the imported optical fiber connector
Optical fiber connector, which exports the optical signal of strong light protection component output to light, receives component.
3. band fibre optical path protective module according to claim 1, it is characterised in that: the optical splitter is 1 × 2 light splitting
Device, 50/50 output.
4. band fibre optical path protective module according to claim 1, it is characterised in that: the fiber coupler is to draw bevel-type 1
× 2 fiber couplers, 5/95 output.
5. band fibre optical path protective module according to claim 1, it is characterised in that: the photodetector is two pole of photoelectricity
Pipe, and corresponded with fiber coupler, the received branch optical signal of fiber coupler is converted electricity by the photodetector
Signal.
6. band fibre optical path protective module according to claim 1, it is characterised in that: the photoswitch is 1 × 2 mechanical light
Switch, and switching time is no more than 4 milliseconds.
7. band fibre optical path protective module according to claim 1, it is characterised in that: the multichannel optical fiber connector leads to
Road number is even number and at least four-way and connection corresponding with optical splitter, fiber coupler.
8. band fibre optical path protective module according to claim 1, it is characterised in that: the band fibre optical path protective module connection
There are light emission component, light to receive component and connect by fiber optic connector adaptor.
9. band fibre optical path protective module according to claim 1, it is characterised in that: the band fibre optical path protective module connection
Light emission component, light receive component and are connected by bundling optical fiber wire jumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820854917.1U CN208621793U (en) | 2018-06-04 | 2018-06-04 | A kind of band fibre optical path protective module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820854917.1U CN208621793U (en) | 2018-06-04 | 2018-06-04 | A kind of band fibre optical path protective module |
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| Publication Number | Publication Date |
|---|---|
| CN208621793U true CN208621793U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820854917.1U Active CN208621793U (en) | 2018-06-04 | 2018-06-04 | A kind of band fibre optical path protective module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130257A (en) * | 2020-09-02 | 2020-12-25 | 昂纳信息技术（深圳）有限公司 | Multi-fiber structure, multi-fiber device and optical path protection system |
-
2018
- 2018-06-04 CN CN201820854917.1U patent/CN208621793U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130257A (en) * | 2020-09-02 | 2020-12-25 | 昂纳信息技术（深圳）有限公司 | Multi-fiber structure, multi-fiber device and optical path protection system |
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