CN2523123Y - Dense wavelength division multiplexing module - Google Patents
Dense wavelength division multiplexing module Download PDFInfo
- Publication number
- CN2523123Y CN2523123Y CN01258447U CN01258447U CN2523123Y CN 2523123 Y CN2523123 Y CN 2523123Y CN 01258447 U CN01258447 U CN 01258447U CN 01258447 U CN01258447 U CN 01258447U CN 2523123 Y CN2523123 Y CN 2523123Y
- Authority
- CN
- China
- Prior art keywords
- dense wave
- wave division
- multipurpose module
- division multipurpose
- shrinkable
- 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
A DWDM (Dense Wavelength Division Multiplexer) comprises a base seat, a plurality of wavelength division multiplexing parts accepted between an upper cover and the base seat, part bearing seats and a pyrocondensation sleeve and a pyrocondensation sleeve bearing seat, wherein the base seat further comprises a ring-shaped frame, a plurality of groups of protruding ribs and a preventing block. The preventing block is parallel with one side of the frame and keeps a certain distance with the frame. The part bearing seats accept the wavelength division multiplexing parts, and the pyrocondensation sleeve bearing seat accepts and protects the pyrocondensation sleeve and is blocked fixedly between the preventing block and the frame. A plurality of groups of blocking blocks are arranged in the middle of the base seat, and two groups of adjacent protruding ribs are arranged on the four-terminal blocking part bearing seat in the center.
Description
[technical field]
The utility model is about a kind of dense wave division multipurpose module (DWDM, Dense WavelengthDivision Multiplexer), refers to a kind of dense wave division multipurpose module of effectively fixing internal components especially.
[background technology]
Light wavelength-multiplexing systems is one of effective scheme that utilizes fiber bandwidth, and it can transmit a plurality of wavelength optical signals simultaneously in an optical fiber, to improve transmission capacity and to reduce communication system cost.Industry multi-channel optical WDM device commonly used is to be formed by a plurality of single channel wavelength division multiplexing unit serial connection, the fixing stability and the useful life that will influence whole device of each single channel wavelength division multiplexing unit in the device.
Known technology glues together wavelength division multiplex device in the optics module internal with epoxy resin usually, treats directly to reach fixed effect after the adhesive curing.But; epoxy resin cure need experience the baking processing procedure; cause the complex procedures of this holding method; production cycle long (epoxy resin is heated to 110 ℃ of curing and needs 2～3 hours usually); and thermal strain and water absorption because of epoxy resin; make the product instability, when ambient temperature changed or is heated, the thermal stress distribution inequality made fixing insecure.
Therefore, provide a kind of environmental stability higher, processing procedure is simple, quick, and easy-to-use dense wave division multipurpose module is necessary in fact.
[summary of the invention]
The purpose of this utility model is to provide a kind of environmental stability height, and processing procedure is simple, quick, easy-to-use dense wave division multipurpose module.
The purpose of this utility model is achieved in that provides a kind of dense wave division multipurpose module, and it comprises a base, is contained in a plurality of wavelength division multiplex devices, device bearing, heat-shrinkable T bush and heat-shrinkable T bush bearing between this loam cake and this base.Wherein this base further comprises an annular frame, organizes fin and stop block more; this stop block is parallel to framework one side and apart from the framework specific range; this device bearing is accommodated wavelength division multiplex device, the heat-shrinkable T bush bearing accommodate the protection heat-shrinkable T bush and be fastened in stop block and framework between.Should many group fins be positioned at the four end fastening component bearings that base middle part and two adjacent groups fin are positioned at the center.
Compare with existing dense wave division multipurpose module, the utility model directly fixes wavelength division multiplex device and its output/input optical fibre by many groups fin and at least one stop block, it does not use viscose glue, need not to toast processing procedure, processing procedure is simple, quick, and the higher and maintenance of environmental stability, the wavelength division multiplex device of changing the dense wave division multipurpose module internal are convenient.
[description of drawings]
Fig. 1 is the exploded perspective view of the utility model dense wave division multipurpose module.
Fig. 2 is the exploded perspective view of the utility model dense wave division multipurpose module wavelength division multiplex device and device bearing.
Fig. 3 is the utility model dense wave division multipurpose module wavelength division multiplex device and the stereogram that cooperates of device bearing.
Fig. 4 is the exploded perspective view of the utility model dense wave division multipurpose module heat-shrinkable T bush and heat-shrinkable T bush bearing.
Fig. 5 is the utility model dense wave division multipurpose module heat-shrinkable T bush and the stereogram that cooperates of heat-shrinkable T bush bearing.
Fig. 6 is the stereogram of the utility model dense wave division multipurpose module base.
Fig. 7 is the vertical view that the utility model dense wave division multipurpose module removes upper shell.
[embodiment]
Please refer to Fig. 1, the utility model dense wave division multipurpose module 1000 comprises a loam cake 1, a base 2, is contained in a plurality of wavelength division multiplex devices 3, device bearing 4, heat-shrinkable T bush 5 and heat-shrinkable T bush bearing 6 (only showing one among the figure) between this loam cake 1 and this base 2.This dense wave division multipurpose module 1000 comprises that further a rubber ring that seals 7, comprises the optical fiber protecting equipment 8 of a plurality of stress buffer sleeve pipes 82 and a sleeve pipe holder 81, and this sleeve pipe holder 81 has a plurality of through holes.
Please in the lump with reference to Fig. 2 and Fig. 3, this wavelength division multiplex device 3 is industry wavelength division multiplex devices commonly used, and it comprises the sleeve pipe 32 and the multifiber 33 of a middle part tool groove 31.This device bearing 4 is to be made by flexible rubber of tool or plastic material, profile is roughly a cuboid, its end face 40 is offered one and is connected its inner through hole 43, the diameter that these through hole 43 tools equate with the sleeve pipe 32 of wavelength division multiplex device 3, its middle part has an annular stop block 45, these stop block 45 width equate that with the width of the groove 31 of sleeve pipe 32 thickness is slightly less than the degree of depth of groove 31 to cooperate with the groove 31 of sleeve pipe 32.Two ends of these 4 one groups of sides 41 of device bearing are provided with a step 46 respectively, and an opening 44 that connects with through hole 43 is offered in another group one of side 42.By this opening 44 wavelength division multiplex device 3 is pressed into device bearing 4, the elasticity by device bearing 4 institute tools own is contained in wavelength division multiplex device 3 in it and the annular stop block 45 by device bearing 4 cooperates the groove 31 of sleeve pipe 32 of wavelength division multiplex devices 3 with the axial freedom of restriction wavelength division multiplex device 3.
See also Fig. 4 and Fig. 5; optical fiber 33 after these heat-shrinkable T bush 5 cover envelope weldings is to accommodate this optical fiber of protection; heat-shrinkable T bush bearing 6 is to be made by flexible rubber of tool or plastic material; profile is a cuboid; its end face 60 is offered its inner through hole 61 of a plurality of perforations; the diameter that these through hole 61 tools equate with heat-shrinkable T bush 5, these a plurality of through holes 61 be the opening 62 that communicates of 6 one groups of sides 63 of tool one and heat-shrinkable T bush bearing respectively.Heat-shrinkable T bush 5 is pressed into the through hole 61 of heat-shrinkable T bush bearing 6 by this opening 62, and then is immobilizated in heat-shrinkable T bush bearing 6.
Please refer to Fig. 1 and Fig. 6, the base 2 of the utility model dense wave division multipurpose module 1000 comprises a rectangle base plate 26, is positioned at the annular frame 21 of base plate 26, a plurality of stop block 22 and many group fins 23.
The upper surface of this annular frame 21 offer one hold rubber ring 7 annular groove 211 and a plurality of in order to the locking loam cake 1 screw 213; its side is provided with a strip opening 212, and optical fiber protecting equipment 8 is fixed in the I/O optical fiber 33 of this strip opening 212 with protection dense wave division multipurpose module 1000.
These a plurality of stop blocks 22 are positioned at annular frame 21 vicinities and are parallel to the side that annular frame 21 is not provided with strip opening 212, its width apart from 6 one groups of sides of distance and heat-shrinkable T bush bearing of this side equates, these stop block 22 two ends have the distance of a kink 221, two kinks 221 and the equal in length of heat-shrinkable T bush bearing 6 respectively.By this stop block 22 and annular frame 21 and can limit the horizontal degree of freedom of heat-shrinkable T bush 6.
Should organize the central part that fins 23 are positioned at base plate 26 more, every group of stop block is about the center line symmetry, it comprises the end 231 and a bend 232 of a contiguous center line, each organizes the end 231 of fin 23 all perpendicular to center line, and spacing all equates with the spacing of two steps 46 of device bearing 4 same sides, its bend 232 is all crooked to the inside, and the fin in the outside slightly is longer than inboard fin, two adjacent groups fin 23 forms a crooked storage tank 24, and the spacing of its end 231 equates with the spacing of the step 46 of device bearing 4 two opposite side faces.
Please refer to Fig. 7, wavelength division multiplex device 3 snaps between the two adjacent groups fin 23 after by device bearing 4 fixings, limits the wavelength division multiplex device 3 of device bearings 4 and institute's fixing thereof by four ends 231 of this two adjacent groups fin 23.Output input optical fibre 33 reasons of wavelength division multiplex device 3 place adjacent fin 23 formed crooked storage tanks 24; wherein passing stress buffer sleeve pipe 82 with the optical fiber 33 of module external transmission light signal is connected with external fiber or optics (figure does not show); the optical fiber 33 that is connected with other wavelength division multiplex device 3 in the module then welding is placed in the heat-shrinkable T bush 5, by the optical fiber 33 after these heat-shrinkable T bush 5 protection weldings.This heat-shrinkable T bush 5 is accommodated in sleeve pipe bearing 6, and sleeve pipe bearing 6 is fastened in stop block 22 and the framework 21 formed receiving spaces subsequently.
Please again with reference to Fig. 1, the loam cake 1 of the utility model dense wave division multipurpose module 1000 is locked in base 2 by screw (figure does not show) or other fastening assembly, its compressing device bearing 4 limits its vertical degree of freedom with heat-shrinkable T bush bearing 6, the degree of freedom of further limiting device bearing 4 and heat-shrinkable T bush bearing 6, this loam cake 1 is oppressed the rubber ring 7 of tool sealing function simultaneously, enters this dense wave division multipurpose module 1000 to stop extraneous aqueous vapor etc.The base plate 26 of this base 2 further offers a plurality of through holes 261 so that this dense wave division multipurpose module 1000 is locked in the communication equipment.
Claims (11)
1. dense wave division multipurpose module, it comprises base and a plurality of wavelength division multiplex device, each wavelength division multiplex device comprises a sleeve pipe and multifiber, it is characterized in that this dense wave division multipurpose module also comprises a plurality of device bearings of accommodating these a plurality of wavelength division multiplex devices of fixing, this base comprises a base plate and the many groups of its middle part laying fins, and these a plurality of device bearings are to be fastened between these many group fins.
2. dense wave division multipurpose module as claimed in claim 1 is characterized in that this device bearing is by flexible rubber of tool or plastic material manufacturing, is roughly a cuboid.
3. dense wave division multipurpose module as claimed in claim 2 is characterized in that a step is offered at the two ends of one of this device bearing group side respectively.
4. dense wave division multipurpose module as claimed in claim 1 is characterized in that this dense wave division multipurpose module also comprises a framework, and its upper surface is offered an annular groove to take in a ring-shaped rubber ring and then to make this module reach level Hermetic Package.
5. dense wave division multipurpose module as claimed in claim 4 is characterized in that one of this framework side offers an opening, interts the output and the input optical fibre of dense wave division multipurpose module by this long opening.
6. dense wave division multipurpose module as claimed in claim 4, it is characterized in that this dense wave division multipurpose module also comprises a plurality of heat-shrinkable T bushs and the heat-shrinkable T bush bearing of accommodating these a plurality of heat-shrinkable T bushs, this heat-shrinkable T bush bearing is by flexible rubber of tool or plastic material manufacturing, is roughly a cuboid.
7. dense wave division multipurpose module as claimed in claim 6 is characterized in that the base plate of this dense wave division multipurpose module is provided with at least one stop block, and the heat-shrinkable T bush bearing is accommodated and is immobilizated between this at least one stop block and the framework.
8. dense wave division multipurpose module as claimed in claim 7 is characterized in that this at least one stop block is parallel and be adjacent to frame facet and its width apart from one group of side of distance and heat-shrinkable T bush bearing of annular frame equates.
9. dense wave division multipurpose module as claimed in claim 7 is characterized in that these at least one stop block tool two kinks and the spacing of two kinks and the equal in length of heat-shrinkable T bush bearing.
10. dense wave division multipurpose module as claimed in claim 1 is characterized in that these many group fins are positioned at the base plate middle part, by the four end fastening component bearings that are positioned at the center of two adjacent groups fin.
11. dense wave division multipurpose module as claimed in claim 1 is characterized in that this multifiber reason places the formed crooked storage tank of adjacent fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01258447U CN2523123Y (en) | 2001-11-29 | 2001-11-29 | Dense wavelength division multiplexing module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01258447U CN2523123Y (en) | 2001-11-29 | 2001-11-29 | Dense wavelength division multiplexing module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2523123Y true CN2523123Y (en) | 2002-11-27 |
Family
ID=33667031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01258447U Expired - Fee Related CN2523123Y (en) | 2001-11-29 | 2001-11-29 | Dense wavelength division multiplexing module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2523123Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11327263B2 (en) | 2019-04-01 | 2022-05-10 | Afl Telecommunications Lcc | Fiber optic tray systems |
-
2001
- 2001-11-29 CN CN01258447U patent/CN2523123Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11327263B2 (en) | 2019-04-01 | 2022-05-10 | Afl Telecommunications Lcc | Fiber optic tray systems |
| US11619791B2 (en) | 2019-04-01 | 2023-04-04 | Afl Telecommunications Llc | Fiber optic tray systems |
| US11693202B2 (en) | 2019-04-01 | 2023-07-04 | Afl Telecommunications Llc | Fiber optic tray systems |
| US11994732B2 (en) | 2019-04-01 | 2024-05-28 | Afl Telecommunications Llc | Fiber optic tray systems |
| US12019297B2 (en) | 2019-04-01 | 2024-06-25 | Afl Telecommunications Llc | Fiber optic tray systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7756382B2 (en) | Optical fiber splitter module and fiber optic array therefor | |
| US10114188B2 (en) | Panel-mountable fiber optic cable feedthrough | |
| US6729773B1 (en) | Fiber optic flat ribbon cable strain relief | |
| US5046811A (en) | Junction box for optical communications cords, and gland assembly for cord | |
| US8184939B2 (en) | Optical fiber cable inlet device with integral optical device | |
| US20060098931A1 (en) | Fiber optic cable coupling enclosure and method and use | |
| US9696512B2 (en) | Panel-mountable fiber optic cable feedthrough | |
| CN101636679B (en) | Optical fiber cable inlet device and telecommunications enclosure system | |
| US9004778B2 (en) | Indexable optical fiber connectors and optical fiber connector arrays | |
| US11099343B2 (en) | Enclosure for use in a fiber optic distribution network | |
| US20060127026A1 (en) | Fiber access terminal | |
| US5400426A (en) | Fiber optic mechanical splice having grooves for dissipating index matching material impurities | |
| WO2018217461A1 (en) | Mechanical cable entry port | |
| US9594219B2 (en) | Hermetically sealed telecommunications enclosure with adapter assembly | |
| CN209542893U (en) | Optical module | |
| JPS62269105A (en) | Optical fiber connector | |
| KR100254086B1 (en) | Optical fiber connector | |
| CN2523123Y (en) | Dense wavelength division multiplexing module | |
| EP1521108B1 (en) | Optical modules employing glass-sealed fiber feedthru with c-seal | |
| CN2523122Y (en) | Dense wavelength division multiplexing apparatus | |
| CN212623195U (en) | Wavelength division multiplexer | |
| WO2014085060A1 (en) | Device and method for bundling optical fibers | |
| CN2513298Y (en) | Holding structure for wave dividing multiplex device | |
| CN1486441A (en) | Precision optical filter with a ball-end joint | |
| US20230152529A1 (en) | Detachable connectors for high fiber count applications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |