CN102368105B - A kind of Quick optical fiber terminating assembly - Google Patents
A kind of Quick optical fiber terminating assembly Download PDFInfo
- Publication number
- CN102368105B CN102368105B CN201110341484.2A CN201110341484A CN102368105B CN 102368105 B CN102368105 B CN 102368105B CN 201110341484 A CN201110341484 A CN 201110341484A CN 102368105 B CN102368105 B CN 102368105B
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- Prior art keywords
- optical fiber
- grooves
- fiber
- buried
- endoporus
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 59
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000001808 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 238000011049 filling Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000000499 gel Substances 0.000 abstract description 34
- 238000003032 molecular docking Methods 0.000 abstract description 18
- 230000023298 conjugation with cellular fusion Effects 0.000 abstract description 8
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- 230000021037 unidirectional conjugation Effects 0.000 abstract description 8
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- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000003287 optical Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 210000001736 Capillaries Anatomy 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000000149 penetrating Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000000227 grinding Methods 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The open a kind of Quick optical fiber terminating assembly of the present invention, including body and the endoporus that is located within the body, wherein, described body offers two grooves until being exposed by endoporus, fiber alignment end face is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel.Described groove realizes stoping fixing pre-buried optical fiber glue to cover pre-buried fiber alignment end face and preset enough coupling gels for incoming fiber optic and elimination Fresnel reflection during pre-buried fiber alignment due to capillarity respectively.Fiber alignment end face, in the middle of two grooves of lock pin body, utilizes lock pin body high precision inner-pore tube bank docking optical fiber, it is achieved fiber-coaxial docks, thus realizes optical fiber at operation field fast terminating.Two grooves use the sealing shroud being socketed on lock pin body to implement to seal, and prevent from mating gel volatilization or contaminated, it is ensured that product uses under the conditions of harsh environment and do not lost efficacy.
Description
Technical field
The present invention relates to a kind of high-performance sealed type Quick optical fiber terminating assembly, be specifically related to various model built-in type hermetic type Quick optical fiber terminating assembly.
Background technology
At present, along with developing rapidly of Fibre Optical Communication Technology, PON access technology has become whole world FTTH(fiber to the home) the main solution popularized in an all-round way.But, the one kilometer access last at this is installed, and how to accomplish register one's residence low cost, easy for installation, quickness and high efficiency, and the optical property, the high unfailing performance that have possessed again are the most crucial simultaneously.
For FTTH(fiber to the home) access install, traditional optical fiber fusion welding technology, limited by the field owing to its cost is high, when installing, installation personnel needs the reasons such as professional training cannot obtain large-area popularization.The advantages such as Quick optical fiber terminating assembly is easy for installation with it, quick, efficient, it has also become the optimal choice scheme that FTTH accesses at present.
Through type (the most direct insertion or dry type) and built-in type is common are in existing quick terminal forming component.Through type quick terminal forming component is not sufficiently stable due to the restriction of prior art, performance indications, it is impossible to meet fiber-to-the-home connection requirement.General built-in type quick terminal forming component, it is a pre-buried optical fiber in ceramic core internal hole, the termination docked with normal adapter is formed after the polishing ground with ceramic insertion core of one end, the other end then exposes certain length and ensures that end face is smooth, then bared end optical fiber is arranged in a V-groove, V-groove is equipped with outside corresponding optical fiber briquetting is used for fixing and enters optical fiber and the docking of pre-buried optical fiber, shifts to an earlier date preset coupling gel during docking in V-groove.When constructing at the scene, will penetrate V-groove and pre-buried optical fiber achieves a butt joint after fiber cut, there is a lot of problem in the program, such as: 1) owing to pre-buried optical fiber one end is exposed at outside lock pin, whole technological process easily snaps off, causes scrapping of product；2) precision that V-groove makes is the highest, and after causing fiber alignment, Insertion Loss is bigger than normal；3) fiber alignment point briquetting precision is the highest, it is impossible to tube bank docking optical fiber, it is impossible to realize being coaxial docking.4) there is no the preset coupling gel of abundance, repeatedly dock or after long-time military service, matching fluid loss causes logical light effect poor.5) product material be on active service for a long time the most aging, deformation.6) product design does not has sealing function, causes matching fluid to run off or volatilizees and lost efficacy；7) reasons such as water logging is moist cause matching fluid contaminated and lost efficacy；
For solving these problems, part company proposes and realizes fiber alignment in high-precision ceramic core internal hole, wherein the patent of Patent No. CN201984184U relates to the program, on the basis of the program, the most also propose the design of pottery side opening gas-permeable channels.But the program exists a lot of distinct issues: 1, in pottery endoporus during pre-buried optical fiber, due to capillarity, solidified glue can cover the docking end face of pre-buried optical fiber and cause logical light to lose efficacy.Although 2 ceramic core internal hole precision are the highest, but owing to the diameter dimension deviation of optical fiber is difficult to and ceramic core internal hole close-fitting, the program does not implement pressure lock at fiber alignment point, and the interface of two optical fiber likely occurs that the phenomenons such as dislocation, degree of tilt, docking Insertion Loss are extremely difficult to use requirement.3, there is no preset enough coupling gels, repeatedly mate gel after docking and run off and lost efficacy.
Summary of the invention
It is an object of the invention to provide the Quick optical fiber terminating assembly of a kind of high-performance hermetic type, it is possible not only to accomplish easy for installation, quick, efficient and low cost of registering one's residence, the optical property simultaneously possessed again and high reliability.The present invention completely solves various inefficacies or the bad problem that current quick terminal forming component exists.
The technical solution of the present invention is: a kind of Quick optical fiber terminating assembly, including body and the endoporus that is located within the body, wherein, described body offers two grooves until being exposed by endoporus, fiber alignment end face is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel.
In this programme, wherein groove A, i.e. near the groove of pre-buried optical fiber end, preset coupling gel block endoporus before pre-buried optical fiber, endoporus is fixed when preventing pre-buried optical fiber optical fiber glue capillary and flows backwards and cover fiber end face；Groove B, i.e. near the groove of external optical fiber end, it is also used for preset coupling gel, for incoming fiber optic and elimination Fresnel reflection during pre-buried fiber alignment, coupling gel is volatilization or loss when long-time use, preset coupling gel can supplement at any time, ensure that interface has enough coupling gels when repeatedly penetrating optical fiber simultaneously.
It addition, the distance between groove should be less, two grooves can be slit or aperture etc. simultaneously, and two grooves can be not parallel or asymmetric.Docking location for optical fiber surface is two groove middles, and during fiber alignment, endoporus has tube bank effect to optical fiber, solves dislocation that prior art optical fiber occurs when groove location is docked or the Insertion Loss that inclination angle problem causes is bigger than normal.Lock pin diameter of bore easily realizes the deviation within 1um in technique, and optical fiber self outside diameter tolerance is also easily controlled within 1um, thus two optical fiber realize being coaxial docking within 1um in lock pin endoporus, it is ensured that docking loss is less than 0.1dB.
Described outer body is also socketed with one for sealing the sealing ring of two grooves.Described body, through pre-buried optical fiber and after adding coupling gel, loads sealing ring on body, groove A and groove B is sealed sealing ring with sealing glue.The coupling gel added is covered with two grooves about 3/4.After closed loop is by groove A and groove B Integral sealing, prevents mating gel and run off or volatilization, be also prevented from mating gel simultaneously and be contaminated.
Specifically, described sealing ring has middle shaft through-hole, and described body is inserted in the middle shaft through-hole of sealing ring, and it closely cooperates with body, and sealing ring is connected by fluid sealant water-stop with body.
Specifically, the incoming end of described body and sealing ring is equipped with optical fiber entrance hole.
The present invention uses ceramic core internal hole docking point to replace docking in existing V groove, and achieve a butt joint dot encapsulation function simultaneously, has an advantage in that:
One, high performance optical fiber quick connector core, the optical property possessed and high reliability.
Two, in whole Making programme, pre-buried fiber optic protection is difficult to be damaged in the inside of lock pin body, it is ensured that it is at the quality of factory process and cost.And current optical fiber quick connector to be all pre-buried optical fiber expose, easily snap off when assembling, there will be fiber end face impaired or be stained with booty simultaneously, cause docking to be lost efficacy.
Three, being used for fixing 2 fiber alignment points is the tube bank of high-precision ceramic core internal hole, and endoporus is easily able to the tolerance grade within 1um, and after making two fiber alignments, loss is less than 0.1dB.And the V-groove major part at existing quick connector fiber alignment all uses organic material, this material is the most aging, deformation, and precision is the highest.Some quick connector uses metal material to make, and same accuracy is extremely difficult to requirement, and cost is the highest.
Four, the pre-buried optical fiber of whole quick connector is all in the inside of lock pin body, and all material is consistent, is not acted upon by temperature changes, and the reliability of whole product is guaranteed.
Five, docking point realizes sealing, and prevents matching fluid from polluting, running off or volatilize.The optical fiber quick connector part installed and used at present will lose efficacy for about 1 year, and coupling gel runs off, volatilizees or be contaminated being main cause.Part Products takes and carefully stitches encapsulation scheme, but causes mating gel volatilization loss or pollution through the deformation of this aging of product of military service for a long time and lost efficacy.
Six, the endoporus at fiber alignment is indeformable under external force extrudes, and does not loses efficacy.And use the V-groove of organic material under the extruding of external force extruding or self-contained spring, it is easily deformed inefficacy.
Accompanying drawing explanation
Fig. 1 is the quick connector lock pin body schematic diagram through pre-buried optical fiber；
Fig. 2 is to fill the schematic diagram of indentation sealing ring after coupling gel in a groove；
Fig. 3 is the enlarged diagram of C portion in Fig. 2.
1, body 2, pre-buried optical fiber 3, sealing ring 4, sealing glue 5, coupling gel 6, optical fiber import V hole 7, incoming fiber optic 8, fiber alignment end face.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, the open a kind of Quick optical fiber terminating assembly of the present invention, including body 1 and the endoporus that is positioned at body 1, wherein, two grooves A, B are offered until being exposed by endoporus on described body 1, pre-buried optical fiber 2 and incoming fiber optic 7 are accessed by the two ends of lock pin body respectively, and the fiber alignment end face 8 of pre-buried optical fiber 2 and incoming fiber optic 7 is positioned on the hole site in the middle of two grooves A, B, and two groove A, B are used for filling coupling gel 5.
This body 1 can be made base substrate by extrusion or injection molding technique after through sanding and polishing and carry out reconditioning by precision grinder and process, it is also possible to utilizing grinding machine cutting knife or etching process etc. to complete shape and revise, its diameter of bore controls in the error of 1um.This size range easily realizes in technique, the big 1um of diameter of bore opposed optical fibers diameter, can easily realize penetrating docking optical fiber, reaches being coaxial docking within 1um simultaneously, it is ensured that fiber alignment Insertion Loss is less than 0.1dB.Bulk material is pottery, metal, glass or plastics.
In the present invention, two grooves A, B are formed after body 1 cylinder excises two parts, and expose the endoporus of lock pin body, in the middle of two grooves, non-cut portion office is fiber alignment point, wherein the effect of groove A is to add coupling gel before pre-buried optical fiber, prevents solidified glue capillary from covering pre-buried fiber end face after flowing backwards；The effect of groove B is the optical fiber coupling gel of preset abundance, and during prevention coupling gel long service, volatilization does not supplement after running off and lost efficacy, and can also allow repeatedly to dock without adding coupling gel simultaneously.
In groove A after interpolation coupling gel, one end of lock pin body accessing pre-buried optical fiber 2, pre-buried optical fiber 2 one end and lock pin body end face dock with conventional adapter after factory's sanding and polishing, and conventional adapter has PC, APC or LC etc..Guaranteeing the smooth cleaning of end face before the other end is pre-buried, docking end face is positioned in the middle of two grooves and does not excises in cylinder endoporus simultaneously.The coupling gel of preset abundance in groove B, guarantees that mating gel enters endoporus simultaneously, and it is optimal that coupling gel is covered with the 3/4 of whole groove.
Further, in order to improve the sealing effectiveness of groove A, B, prevent mating gel and run off or volatilization, be also prevented from mating gel simultaneously and be contaminated, be also socketed with one outside described body 1 for sealing the sealing ring 3 of two groove A, B.Described seal ring material is plastics or metal.
Specifically, described sealing ring 3 has middle shaft through-hole, and described body is inserted in the middle shaft through-hole of sealing ring, and it closely cooperates with body 1, and sealing ring 3 is connected by fluid sealant water-stop with body.Specifically, during indentation sealing ring 3, sealing glue 4 is used sealing ring 3 and body 1 to be bondd, it is ensured that its stretching resistance meets fiber active linker standard-required.Two grooves A, B are implemented to seal by this sealing ring 3, it is ensured that coupling gel is on active service for a long time and will not be run off or volatilize, and are also prevented from mating gel simultaneously and are contaminated.
For convenience by the endoporus of intelligent acess lock pin body, the incoming end of described body 1 and sealing ring 2 is equipped with optical fiber entrance hole 6.
Claims (3)
1. a Quick optical fiber terminating assembly, including body and the endoporus that is located within the body, it is characterised in that offer two grooves on described body until being exposed by endoporus, fiber alignment end face is positioned on the hole site in the middle of two grooves, and two grooves are used for filling coupling gel；Described outer body is also socketed with one for sealing the sealing ring of two grooves；Described sealing ring has middle shaft through-hole, and described body is inserted in the middle shaft through-hole of sealing ring, and it closely cooperates with body, and sealing ring is connected by fluid sealant water-stop with body；
Optical fiber entrance hole it is equipped with on the incoming end of described body and sealing ring.
Quick optical fiber terminating assembly the most according to claim 1, it is characterised in that bulk material is pottery, metal, glass or plastics.
3. according to the Quick optical fiber terminating assembly described in claim 2, it is characterised in that seal ring material is plastics or metal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341484.2A CN102368105B (en) | 2011-11-02 | A kind of Quick optical fiber terminating assembly | |
| PCT/CN2011/084319 WO2013063846A1 (en) | 2011-11-02 | 2011-12-21 | Fast termination assembly for optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341484.2A CN102368105B (en) | 2011-11-02 | A kind of Quick optical fiber terminating assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102368105A CN102368105A (en) | 2012-03-07 |
| CN102368105B true CN102368105B (en) | 2016-11-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169212A (en) * | 2011-05-10 | 2011-08-31 | 南京邮电大学 | Quick pre-buried optical fiber connection device |
| CN202330777U (en) * | 2011-11-02 | 2012-07-11 | 潮州三环（集团）股份有限公司 | Rapid optical fiber terminating assembly |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169212A (en) * | 2011-05-10 | 2011-08-31 | 南京邮电大学 | Quick pre-buried optical fiber connection device |
| CN202330777U (en) * | 2011-11-02 | 2012-07-11 | 潮州三环（集团）股份有限公司 | Rapid optical fiber terminating assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20211102 |