CN107678101A - Joints of optical fibre and preparation method thereof - Google Patents
Joints of optical fibre and preparation method thereof Download PDFInfo
- Publication number
- CN107678101A CN107678101A CN201711102243.6A CN201711102243A CN107678101A CN 107678101 A CN107678101 A CN 107678101A CN 201711102243 A CN201711102243 A CN 201711102243A CN 107678101 A CN107678101 A CN 107678101A
- Authority
- CN
- China
- Prior art keywords
- lock pin
- joints
- ribbon fiber
- optical fibre
- arc
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
Abstract
A kind of joints of optical fibre and preparation method thereof, the joints of optical fibre are used to be connected with the laser installed on circuit boards and transmit photosignal, the joints of optical fibre, including fixed mount, the lock pin in fixed mount and the ribbon fiber being connected with lock pin；Fixed mount includes the orientation portion for holding core and extending from the one end for holding core；Hold core and be provided with the major trough penetrated above and below it；Fixed mount is provided with arc-shaped loading end；Ribbon fiber is locally fitted on arc-shaped loading end；Hold core and be provided with protruding block；The surface of protruding block forms arc-shaped loading end with the upper surface in orientation portion；The bearing of trend in orientation portion is corresponding with the bottom surface of lock pin；Angle between the medial surface of lock pin and the bottom surface of lock pin is 82 degree.The joints of optical fibre of the present invention, so as to limit the bending degree of ribbon fiber, avoid ribbon fiber and signal transmission quality are damaged or influenceed because of bending by forming arc-shaped loading end on the protruding block on fixed mount and orientation portion.
Description
Technical field
The present invention relates to optical communication technique, more particularly to a kind of joints of optical fibre and preparation method thereof.
Background technology
At present, with respect in 10G, 40G optical module of low transmission rate, its laser is two kinds of lasers of TOSA and ROSA,
Its volume is larger, and what is be mated with is conventional SC, LC type fiber connector, and the volume of such fiber connector is big, packing density
It is low；In 100G the and 400G optical modules of following high transfer rate, its laser is VCSEL type lasers, its small volume, but
The laser sender of VCSEL type lasers causes connected optical fiber cable needs to curve to often vertical with its mounting surface
It can just fit to afterwards on the mounting surface of laser, to reduce the space of optical fiber occupancy, but optical fiber is when curving, easy because curving angle
Spend big and impaired or influence signal transmission quality.
The content of the invention
Based on this, the present invention provides a kind of joints of optical fibre with fiber kinks defencive function and preparation method thereof.
In order to realize the purpose of the present invention, the present invention uses following technical scheme：
A kind of joints of optical fibre, including fixed mount, the lock pin in the fixed mount and be connected with the lock pin
Ribbon fiber；The fixed mount includes the orientation portion for holding core and one end extension from the appearance core；Set on the appearance core
There is the major trough penetrated above and below it；The fixed mount is provided with arc-shaped loading end；The ribbon fiber locally fits to the circle
On arcuation loading end.
The joints of optical fibre of the present invention by forming arc-shaped loading end in the protruding block on fixed mount and orientation portion, so as to
The bending degree of optical fiber is limited, optical fiber bending is avoided and is damaged or influences signal transmission quality.
In one of the embodiments, the appearance core is provided with protruding block；The surface of the protruding block and the orientation
The upper surface in portion forms the arc-shaped loading end.
In one of the embodiments, the bearing of trend in the orientation portion is corresponding with the bottom surface of the lock pin；The lock pin
Medial surface and the lock pin bottom surface between angle be 82 degree.
In one of the embodiments, the appearance core is provided with groove in the both sides of major trough；It is described hold core groove with
The lock pin is corresponding；The both sides of the lock pin are respectively contained in the groove.
In one of the embodiments, the lock pin includes substrate and the cover plate being bonded with the substrate；On the substrate
Provided with line pressing portion；The line pressing portion is provided with some trunkings.
In one of the embodiments, in addition to pressing plate；The both sides in the orientation portion are respectively equipped with side plate；The side plate
Inner side, which is provided with, holds board slot；The both sides of the pressing plate are fastened in the appearance board slot on the side plate respectively.
A kind of preparation method of the joints of optical fibre, it is characterised in that for making the joints of optical fibre；
The joints of optical fibre include fixed mount, the lock pin in the fixed mount and are connected with the lock pin
Ribbon fiber；The fixed mount includes the orientation portion for holding core and one end extension from the appearance core；Set on the appearance core
There is the major trough penetrated above and below it；The fixed mount is provided with arc-shaped loading end；The ribbon fiber locally fits to the circle
On arcuation loading end；
The preparation method of the joints of optical fibre comprises the following steps：
One end of the ribbon fiber is installed in the lock pin；
The ribbon fiber is passed through into the major trough on the fixed mount；
The lock pin is installed on the fixed mount；
The part of the ribbon fiber is fixed on the arc-shaped loading end.
The preparation method of the joints of optical fibre of the present invention by the part of the ribbon fiber by being fixed to the arc-shaped
On loading end, so as to limit the bending degree of optical fiber, avoid optical fiber bending and be damaged or influence signal transmission quality.
In one of the embodiments, when the part of the ribbon fiber is fitted on the arc-shaped loading end,
The ribbon fiber is stretched since the part being connected on the outside of the lock pin, by the part that the ribbon fiber stretches to institute
The pulling of orientation portion side is stated, the side of the ribbon fiber is fitted on the arc-shaped loading end.
In one of the embodiments, when the side of the ribbon fiber is fixed on the arc-shaped loading end,
Pressing plate is installed on the fixed mount, the pressing plate one side relative with the ribbon fiber presses against the ribbon fiber
On.
In one of the embodiments, when the side of the ribbon fiber is fixed on the arc-shaped loading end,
Coating is injected between the ribbon fiber and the arc-shaped loading end.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the joints of optical fibre of the preferred embodiment of the present invention；
Fig. 2 is that the joints of optical fibre in Fig. 1 hide the schematic perspective view after ribbon fiber；
Fig. 3 is the decomposing schematic representation of the joints of optical fibre shown in Fig. 2；
Fig. 4 is decomposing schematic representation of the joints of optical fibre shown in Fig. 2 in another angle；
Fig. 5 is the side view of the joints of optical fibre shown in Fig. 2；
Fig. 6 is the annexation figure of the ribbon fiber and lock pin in Fig. 1；
Fig. 7 A are that the fixed mount in Fig. 2 holds the schematic diagram under core bearing of trend on edge；
Fig. 7 B are sectional view of the fixed mount under AA directions described in Fig. 7 A；
Fig. 8 A are the decomposing schematic representation of the lock pin in Fig. 3；
Fig. 8 B are decomposing schematic representation of the lock pin in Fig. 3 in another angle.
Embodiment
For the ease of understanding the present invention, the present invention will be described more fully below.But the present invention can be with perhaps
More different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make
Understanding more thorough and comprehensive to the disclosure.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Refer to Fig. 1 to Fig. 8 B, for the joints of optical fibre 10 of an of the invention better embodiment, for installed in circuit
Laser on plate connects and transmits photosignal.The joints of optical fibre 10 include fixed mount 20, in fixed mount 20
Lock pin 30 and the ribbon fiber 40 being connected with lock pin 30；Fixed mount 20 includes holding core 21 and extended from the one end for holding core 21
Orientation portion 22；Hold core 21 and be provided with the major trough 210 penetrated above and below it, hold core 21 and be provided with projection in the side of major trough 210
Block 211, the surface of protruding block 211 form the arc-shaped loading end 23 with certain curvature radius with the upper surface in orientation portion 22,
Ribbon fiber 40 is fitted to after being connected with lock pin 30 on arc-shaped loading end 23, so as to limit the bending journey of ribbon fiber 40
Degree, avoid ribbon fiber 40 and be damaged because bending excessively or influence signal transmission quality.
Also referring to Fig. 1, Fig. 2, Fig. 3, Fig. 6, Fig. 7 A and Fig. 7 B, hold core 21 and be provided with groove in the both sides of major trough 210
212；The both sides for holding core 21 are respectively equipped with preceding light tank 213 and rear light tank 214.
Also referring to Fig. 6, Fig. 8 A and Fig. 8 B, lock pin 30 includes substrate 31 and the cover plate 32 being bonded with substrate 31；Substrate
31 are provided with line pressing portion 33, and line pressing portion 33 is on the medial surface relative with cover plate 32 of substrate 31；Line pressing portion 33 is provided with some
Trunking 330, it is preferable that trunking 330 is V-shaped；Cover plate 32 is provided with auxiliary block 34, and auxiliary block 34 is in cover plate 32 and substrate
On 31 relative medial surfaces；The auxiliary block 34 of cover plate 32 is pressed together in the line pressing portion 33 of substrate 31.
Referring to Fig. 5, further, the laser beam and laser sent by the laser being connected with the joints of optical fibre 10
The mounting surface of device is vertical, to make the laser beam good coupling that ribbon fiber 40 and laser are sent, the medial surface of lock pin 30
Angle α between the bottom surface of lock pin 30 is 82 degree, and the medial surface of lock pin 30 is the opposite face of substrate 31 and cover plate 32.Substrate 31
The bearing of trend of trunking 330 and the angle of the bottom surface of lock pin 30 are all α, make cored wire and the laser light being in trunking 330
The angle of line is 8 degree, so as to improve optical signal transmission quality.Preferably, the processing for convenience of lock pin 30 and lock pin 30 are with consolidating
Determine the assembling between frame 20, the lateral surface of lock pin 30 be arranged in parallel with its medial surface, if in addition, with inserting on the medial surface of lock pin 30
The straight line that the bottom surface angle of core 30 is maximum is A, then holds bearing of trend, the bearing of trend of major trough 210 of the front and back sides of core 21
It is corresponding with straight line A；Meanwhile the bottom surface for holding core 21 is corresponding with the bottom surface of lock pin 30.
Referring to Fig. 6, ribbon fiber 40 includes the cored wire of some covering matcoveredns；It is first when making the joints of optical fibre 10
First, the cored wire of the one end of ribbon fiber 40 is respectively contained in the trunking 330 of substrate 31 after removing protective layer, and cover plate 31 is auxiliary
Help block 34 to be fitted in line pressing portion 33, make different cored wires on ribbon fiber 40 through after lock pin 30 can keeping parallelism arrangement,
It ensure that each cored wire can be docked with the laser on circuit board exactly, thereafter, the other end of ribbon fiber 40 is through admittedly
Determine the major trough 210 of the appearance core 21 of part 20.
Fig. 2 and Fig. 4 is referred to, the groove 212 of appearance core 21 is corresponding with lock pin 30, and the other end of ribbon fiber 40 is through admittedly
After the major trough 210 of appearance core 21 for determining frame 20, lock pin 30 is installed on fixed mount 20, the both sides that will hold core 21 hold respectively
Put in groove 212；Groove 212 has position-limiting action to lock pin 30, makes lock pin 30 hold the another of core 21 by reliably spacing
One end, so that it is guaranteed that the stability of optical signal connection；The place plane in orientation portion 22 is corresponding with the bottom surface of lock pin 30, it is preferable that
The place plane in orientation portion 22 is parallel with the bottom surface of lock pin 30 or angle is less than 3 degree, so that the banding in orientation portion 22
Optical fiber 40 is parallel with the mounting surface of laser or close to parallel, reduces the spatial volume shared by ribbon fiber 40, meanwhile, by
In orientation portion 22 away from the other end for holding core 21, so as to reduce the contact area of the joints of optical fibre 10 and circuit board, avoid
The joints of optical fibre 10 impact to the component placement on circuit board.
Referring to Fig. 1, after the both sides for holding core 21 are installed in groove 212, the part of ribbon fiber 40 need to be fixed to
On arc-shaped loading end 23, first, ribbon fiber 40 is stretched since the part for being connected to the outside of lock pin 30, then, by band
The part that shape optical fiber 40 stretches pulls to the side of orientation portion 22, the side of ribbon fiber 40 is fitted to the upside of protruding block 211
And the upside in orientation portion 22, i.e., on arc-shaped loading end 23, due to the upper surface shape on the surface by protruding block 211 and orientation portion 22
Into the radius of curvature of arc-shaped loading end 23 be more than minimum allowable radius of curvature when ribbon fiber 40 is bent, therefore avoid band
Shape optical fiber 40 is because bending degree is excessive and impaired or influences the transmission quality of optical signal.
In the present embodiment, the joints of optical fibre 10 also include pressing plate 50；The both sides in orientation portion 22 are respectively equipped with side plate 24, side
The inner side of plate 24 is provided with appearance board slot 240 corresponding with pressing plate 50；For the part of ribbon fiber 40 is fixed into arc-shaped loading end
On 23, after being fitted in the side of ribbon fiber 40 on arc-shaped loading end 23, the both sides of pressing plate 50 are respectively installed to appearance plate
In groove 240, the one side relative with ribbon fiber 40 of pressing plate 50 is pressed against on ribbon fiber 40, so as to make ribbon fiber 40 keep patch
Close the upper surface in orientation portion 22.
In another embodiment, for the part of ribbon fiber 40 is fixed on arc-shaped loading end 23, ribbon fiber 40
Side fit on arc-shaped loading end 23 after, coating, coating are injected between ribbon fiber 40 and arc-shaped loading end 23
After solidification, ribbon fiber 40 can keep fitting to the upper surface in orientation portion 22.
After being completed of the joints of optical fibre 10, the joints of optical fibre 10 are fixed on circuit boards using coating, fixed mount 20
On preceding light tank 213 and rear light tank 214 can easily allow UV light by and the coating that is irradiated on the surface of lock pin 30, make to insert
The coating on the surface of core 30 is uniform curing, so that the joints of optical fibre 10 are securely fixed on circuit board.
Also referring to Fig. 4, Fig. 7 A and Fig. 7 B, further, because the corner of lock pin 30 has a variety of processing modes, cause
There are various shapes in the corner of lock pin 30, fixed mount 20 is provided with side groove 215 on the corner of groove 212, so as to make fixed mount 20
Groove 212 can house the variform lock pin 30 in corner.
In the present embodiment, by forming arc-shaped loading end on the protruding block on fixed mount and orientation portion, so as to limit
The bending degree of ribbon fiber, avoid ribbon fiber and signal transmission quality is damaged or influenceed because of bending.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. joints of optical fibre, it is characterised in that lock pin including fixed mount, in the fixed mount and with it is described The ribbon fiber of lock pin connection；The fixed mount includes the orientation portion for holding core and one end extension from the appearance core；It is described Hold core and be provided with the major trough penetrated above and below it；The fixed mount is provided with arc-shaped loading end；The ribbon fiber locally pastes Close on the arc-shaped loading end.
- 2. the joints of optical fibre according to claim 1, it is characterised in that the appearance core is provided with protruding block；It is described convex The upper surface on bittiness surface and the orientation portion forms the arc-shaped loading end.
- 3. the joints of optical fibre according to claim 2, it is characterised in that the bearing of trend in the orientation portion and the lock pin Bottom surface it is corresponding；Angle between the bottom surface of the medial surface of the lock pin and the lock pin is 82 degree.
- 4. the joints of optical fibre according to claim 1, it is characterised in that the appearance core is provided with recessed in the both sides of major trough Groove；The groove of the appearance core is corresponding with the lock pin；The both sides of the lock pin are respectively contained in the groove.
- 5. the joints of optical fibre according to claim 4, it is characterised in that the lock pin include substrate and with the substrate The cover plate of fitting；The substrate is provided with line pressing portion；The line pressing portion is provided with some trunkings.
- 6. the joints of optical fibre according to claim 1, it is characterised in that also including pressing plate；The both sides in the orientation portion point She You not side plate；The inner side of the side plate, which is provided with, holds board slot；The both sides of the pressing plate are fastened on the appearance plate on the side plate respectively In groove.
- 7. a kind of preparation method of the joints of optical fibre, it is characterised in that for making the joints of optical fibre；The joints of optical fibre include fixed mount, the lock pin in the fixed mount and the banding being connected with the lock pin Optical fiber；The fixed mount includes the orientation portion for holding core and one end extension from the appearance core；The appearance core is provided with and passed through The major trough led to above and below it；The fixed mount is provided with arc-shaped loading end；The ribbon fiber locally fits to the arc-shaped On loading end；The preparation method of the joints of optical fibre comprises the following steps：One end of the ribbon fiber is installed in the lock pin；The ribbon fiber is passed through into the major trough on the fixed mount；The lock pin is installed on the fixed mount；The part of the ribbon fiber is fixed on the arc-shaped loading end.
- 8. the preparation method of the joints of optical fibre according to claim 7, it is characterised in that by the office of the ribbon fiber When portion is fitted on the arc-shaped loading end, the ribbon fiber is drawn since the part being connected on the outside of the lock pin Directly, the part that the ribbon fiber stretches is pulled to the orientation portion side, the side of the ribbon fiber is fitted to institute State on arc-shaped loading end.
- 9. the preparation method of the joints of optical fibre according to claim 8, it is characterised in that by the one of the ribbon fiber When side is fixed on the arc-shaped loading end, pressing plate is installed on the fixed mount, the pressing plate and the ribbon fiber Relative one side is pressed against on the ribbon fiber.
- 10. the preparation method of the joints of optical fibre according to claim 8, it is characterised in that by the ribbon fiber When side is fixed on the arc-shaped loading end, coating is injected between the ribbon fiber and the arc-shaped loading end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711102243.6A CN107678101A (en) | 2017-11-10 | 2017-11-10 | Joints of optical fibre and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711102243.6A CN107678101A (en) | 2017-11-10 | 2017-11-10 | Joints of optical fibre and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107678101A true CN107678101A (en) | 2018-02-09 |
Family
ID=61146840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711102243.6A Pending CN107678101A (en) | 2017-11-10 | 2017-11-10 | Joints of optical fibre and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107678101A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415299A (en) * | 2022-03-30 | 2022-04-29 | 深圳市埃尔法光电科技有限公司 | Optical fiber signal direct-guiding type optical module |
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| CN101852898A (en) * | 2009-03-30 | 2010-10-06 | 日立电线株式会社 | Optical connector and fiber module using the same |
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| CN107037541A (en) * | 2017-05-25 | 2017-08-11 | 东莞市胜创光电科技有限公司 | Fiber array |
| CN207424304U (en) * | 2017-11-10 | 2018-05-29 | 东莞市杰普特光电技术有限公司 | Optical fiber connector |
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|---|---|---|---|---|
| CA2253367A1 (en) * | 1996-05-03 | 1997-11-13 | Telefonaktiebolaget Lm Ericsson | Angled opto-mechanical connector |
| US6402389B1 (en) * | 1996-05-03 | 2002-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Angled opto-mechanical device |
| US6422761B1 (en) * | 2000-03-06 | 2002-07-23 | Fci Americas Technology, Inc. | Angled optical connector |
| JP2010128112A (en) * | 2008-11-26 | 2010-06-10 | Furukawa Electric Co Ltd:The | Bending connector structure, and method of manufacturing the same |
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| US20120027357A1 (en) * | 2009-07-31 | 2012-02-02 | Paul Kessler Rosenberg | Optical fiber connector |
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| CN114415299A (en) * | 2022-03-30 | 2022-04-29 | 深圳市埃尔法光电科技有限公司 | Optical fiber signal direct-guiding type optical module |
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