CN202904072U - Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure - Google Patents
Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure Download PDFInfo
- Publication number
- CN202904072U CN202904072U CN 201220527515 CN201220527515U CN202904072U CN 202904072 U CN202904072 U CN 202904072U CN 201220527515 CN201220527515 CN 201220527515 CN 201220527515 U CN201220527515 U CN 201220527515U CN 202904072 U CN202904072 U CN 202904072U
- Authority
- CN
- China
- Prior art keywords
- tail
- fiber
- wavelength
- division multiplexing
- wavelength division
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with a tail optical fiber structure. The module comprises a BOSA component, an FPC board and a PCBA board. The BOSA component is internally provided with a transmitting unit and a receiving unit which are in oblique connection through a wavelength division multiplexing chip. According to the module, the complexity of a system is simplified, cost is reduced, and transmission stability is improved at the same time.
Description
Technical field
The utility model relates to communication system technology technical field, and is special relevant with the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure.
Background technology
At present along with the develop rapidly of LTE mobile communication network and the popularizing of various countries, the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure has obtained a large amount of application in the LTE mobile communication network.Co-wavelength transmission and Coarse Wavelength Division Multiplexing technology are applied in the LTE mobile communication network, not only can have lower system cost, and can increase substantially transmission capacity and the speed of fiber optic communications.
Traditional SFP single fiber bi-directional receiver-transmitter integrated module adopts single-ended LC plug-type optical interface, this optical interface is connected with extraneous optical fiber by pluggable mode, when extraneous optical fiber is subject to External Force Acting, make easily the optically-coupled of optical fiber and the integrated module of optical transceiver produce skew, thereby cause light signal not to be launched preferably or to receive.General tail-fiber type interface end face adopts the PC type, compares with APC type interface end face, and its light path reflection is larger, has reduced the receptivity of light signal.Conventional SFP encapsulating structure, owing to be subject to the restriction of draw ring in the release external member group, in the plug process of module, easily because the destruction that the impact of draw ring causes tail optical fiber in the process of module assembled, is caused the inconvenient and disconnected fine hidden danger of assembling simultaneously.General co-wavelength Coarse Wavelength Division Multiplexing transmission adopts two fine two-way integrated modules of optical transceiver to carry out the transmission of light signal, although can reduce crosstalking of light signal, has greatly increased the use amount of optical cable, causes the rising of system cost.
In order to address the above problem, the inventor designs the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure, and this case produces thus.
The utility model content
The purpose of this utility model provides a kind of co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure, simplifies the complexity of system, reduces cost, improves simultaneously transmission and stablizes.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure comprises BOSA assembly, FPC plate, PCBA plate; The BOSA assembly is built-in with transmitter unit and receiving element, is inclined cross connection by a wavelength-division multiplex sheet between the two.
Described PCBA plate is connected by the FPC flexible board with the BOSA assembly.
After described BOSA assembly, FPC plate, PCBA plate linked into an integrated entity, the outside fastened by module housing.
Described BOSA assembly is connected with tail optical fiber one end, and tail optical fiber passes the light-emitting window on the module housing, and the tail optical fiber other end connects the optical interface that is fit to plug.
Described optical interface is LC or APC type, is connected with the Lucent Connector plug.
Described tail optical fiber and BOSA assembly are coupling package, and coupling place is entangled protection with plastic casing.
Described tail optical fiber diameter is the optical fiber of 0.9mm or 2mm.
Be equipped with on the described module housing for sealed draw ring, corresponding tail optical fiber position forms kink on draw ring.
The co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of described tail-fiber type structure adopts tail-fiber type SFP packing forms.
After adopting such scheme, the utlity model has many beneficial effects:
Be inclined cross the wavelength-division multiplex sheet among the present invention in the BOSA assembly, the transmission of its wavelength is had very strong light buffer action, prevent the generation of optical crosstalk.This design has not only reduced the use of multiplexer and demodulation multiplexer in the system, has also reduced in a large number the number of fibers of required laying in the system.
In addition, when the FPC flexible board guarantees the electrical connection of BOSA assembly and PCBA plate, reduce the EMI interference, be fit to high-speed transfer.
BOSA assembly and pigtail coupling adopt the plastic casing protection in coupling place, and it is the optical fiber of 0.9mm or 2mm that tail optical fiber is selected diameter; the terminal preferred LC of tail optical fiber or APC type light joint; except improving reliability and the convenience that connects, reduced simultaneously the reflection on the optical link, improved the light-receiving performance.
On the basis of conventional SFP draw ring, redesigned draw ring.This draw ring is optimized processing in the exit of module tail optical fiber, simultaneously the plastic casing on the draw ring is processed.Above-mentioned design is in releasing process, and the stressed of draw ring is consistent with the tail optical fiber direction all the time, and the draw ring handle in tail optical fiber exit has been strengthened the protection to tail optical fiber.So not only guarantee the reliability of release, also strengthened the convenience of the integrated module of optical transceiver in assembling process simultaneously.
Description of drawings
Fig. 1 is the assembling synoptic diagram of the utility model preferred embodiment;
Fig. 2 is the structural representation of the utility model preferred embodiment;
Fig. 3 is the schematic internal view of BOSA assembly in the utility model preferred embodiment.
Embodiment
By reference to the accompanying drawings, preferred embodiment is described in further details to the utility model.
A kind of co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of tail-fiber type structure, the parts that are mainly concerned with comprise BOSA assembly 1, FPC plate 2, PCBA plate 3, module housing 4, draw ring 5, plastic casing 6, tail optical fiber 7, optical interface 8, Lucent Connector 9.
The whole SFP encapsulating structure that adopts of the utility model, the inside of module housing 4 includes BOSA assembly (light transmitting-receiving interface module) 1, FPC plate (flexible PCB) 2, PCBA plate (printed circuit board (PCB)) 3.Wherein BOSA assembly 1 is connected with the PCBA plate and is connected by FPC plate 2.FPC plate 2 is not only realized the electrical connection of BOSA assembly 1 and PCBA plate 3, has reduced simultaneously the EMI interference, is fit to high-speed transfer.
In conjunction with Fig. 3, in BOSA assembly 1, be built-in with transmitter unit 11 and receiving element 12, are connected with receiving element at transmitter unit 11 and adopt wavelength-division multiplex sheet 13 to be inclined cross connection between the two.This wavelength-division multiplex sheet 13 has very strong light buffer action to the transmission of its wavelength, can prevent the generation of optical crosstalk.This design has not only reduced the use of multiplexer and demodulation multiplexer in the system, has also reduced in a large number the number of fibers of required laying in the system.Transmitter unit 11 and receiving element 12 in vertical state, wavelength-division multiplex sheet 13 is positioned on transmitter unit 11 and the receiving element 12 angle bisecting lines, is equivalent to respectively and transmitter unit 11 and receiving element 12 shapes angle at 45 °.
Module housing 4 mainly is that cover is combined in the housing outside BOSA assembly 1, FPC plate 2, the PCBA plate 3, mainly comprises housing parts 1, housing parts 2 42 and posting 43 in the present embodiment.After BOSA assembly 1, FPC plate 2, PCBA plate 3 threes connect, be placed on the housing parts 1, then position by posting 43, again housing parts 2 42 and housing parts 1 are fastened, realize connecting.
After module housing 4 connects, have a light-emitting window 44 in its front, BOSA assembly 1 connects tail optical fiber 7, and tail optical fiber 7 is coupling package with BOSA assembly 1, and coupling place is entangled protection with plastic casing 6.After the connection, tail optical fiber 7 passes module housing 4 from light-emitting window 44 and stretches out.Then connect the optical interface 8 that is fit to plug at tail optical fiber 7 other ends.Optical interface 8 can be LC or APC type, is connected with Lucent Connector 9 plugs by optical interface 8 again.It is the optical fiber of 0.9mm or 2mm that tail optical fiber 7 in the present embodiment is selected diameter.
Above-described embodiment only is used for explaining inventive concept of the present utility model, but not to the restriction of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.
Claims (9)
1. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a tail-fiber type structure is characterized in that: comprise BOSA assembly, FPC plate, PCBA plate; The BOSA assembly is built-in with transmitter unit and receiving element, is inclined cross connection by a wavelength-division multiplex sheet between the two.
2. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1, it is characterized in that: described PCBA plate is connected by the FPC flexible board with the BOSA assembly.
3. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 2 is characterized in that: after described BOSA assembly, FPC plate, PCBA plate link into an integrated entity, outsidely fasten by module housing.
4. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 3, it is characterized in that: described BOSA assembly is connected with tail optical fiber one end, tail optical fiber passes the light-emitting window on the module housing, and the tail optical fiber other end connects the optical interface that is fit to plug.
5. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 4, it is characterized in that: described optical interface is LC or APC type, is connected with the Lucent Connector plug.
6. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 4, it is characterized in that: described tail optical fiber and BOSA assembly are coupling package, and coupling place is entangled protection with plastic casing.
7. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 6, it is characterized in that: described tail optical fiber diameter is the optical fiber of 0.9mm or 2mm.
8. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1 is characterized in that: corresponding tail optical fiber position formation kink on draw ring is installed on the described module housing for sealed draw ring.
9. the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of a kind of tail-fiber type structure as claimed in claim 1, it is characterized in that: the co-wavelength Coarse Wavelength Division Multiplexing single fiber bi-directional integrated module of optical transceiver of described tail-fiber type structure, adopt tail-fiber type SFP packing forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527515 CN202904072U (en) | 2012-10-16 | 2012-10-16 | Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527515 CN202904072U (en) | 2012-10-16 | 2012-10-16 | Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202904072U true CN202904072U (en) | 2013-04-24 |
Family
ID=48124725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527515 Expired - Fee Related CN202904072U (en) | 2012-10-16 | 2012-10-16 | Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202904072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998755A (en) * | 2012-10-16 | 2013-03-27 | 绍兴飞泰光电技术有限公司 | Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber |
| WO2019052242A1 (en) * | 2017-09-15 | 2019-03-21 | 武汉联特科技有限公司 | Four-channel coarse wavelength division multiplexing qsfp optical module |
-
2012
- 2012-10-16 CN CN 201220527515 patent/CN202904072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998755A (en) * | 2012-10-16 | 2013-03-27 | 绍兴飞泰光电技术有限公司 | Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber |
| WO2019052242A1 (en) * | 2017-09-15 | 2019-03-21 | 武汉联特科技有限公司 | Four-channel coarse wavelength division multiplexing qsfp optical module |
| US10680736B2 (en) | 2017-09-15 | 2020-06-09 | Linktel Technologies Co., Ltd. | Four-channel coarse wavelength division multiplexing QSFP optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040175077A1 (en) | Pad architecture for backwards compatibility for bi-directional transceiver module | |
| CN107045166A (en) | Optical module | |
| TWI384268B (en) | Small form-factor pluggable transceiver module | |
| US10101537B2 (en) | High-speed data connector | |
| CN103890627A (en) | Fiber optic connector assemblies having a reverse optical fiber loop | |
| US20160112121A1 (en) | Optical component, built-in optical time domain reflectometer, and optical network device | |
| CN102998755A (en) | Coarse identical-wavelength division multiplexing bidirectional light receiving and transmitting integrated module with tail fiber type structure and single fiber | |
| CN201584974U (en) | Optical receiving-transmitting integrated module of 10 GB GPON optical network unit terminal | |
| CN105137546B (en) | active optical cable connector assembly | |
| CN202904072U (en) | Same wavelength coarse wavelength division multiplex single-fiber bi-directional optical transceiver module with tail optical fiber structure | |
| CN205176333U (en) | Six channel light signal transmission module | |
| CN205139428U (en) | Transmission line structure | |
| CN201438229U (en) | Parallel optical module | |
| US20110206327A1 (en) | Active optical cable electrical connector with bi-directional optical sub-assembly | |
| CN106353865B (en) | Optical module | |
| WO2012051088A8 (en) | Compact small form-factor pluggable transceiver | |
| CN201584973U (en) | Optical receiving-transmitting integrated module of 10 GB EPON optical network unit terminal | |
| CN202854373U (en) | Photovoltaic conversion assembly | |
| TWI381661B (en) | Small form-factor pluggable transceiver module | |
| CN202353686U (en) | 10-gigabit receiving optical module for video transmission | |
| CN201886180U (en) | Optical component for ONU (optical network unit) end of ten-gigabit EPON (Ethernet passive optical network) | |
| CN201837745U (en) | Miniaturized SFP (small form-factor pluggable) single-fiber bidirectional photoelectric transceiving integrated module component | |
| CN210465759U (en) | Optical fiber connector, optical receiving sub-module and optical module | |
| CN210155368U (en) | Shielding anti-interference device | |
| CN201266937Y (en) | Myriad million light transmit-receive integrated module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20130722 Granted publication date: 20130424 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20130722 Granted publication date: 20130424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20141016 |
|
| EXPY | Termination of patent right or utility model |