WO2011031107A2 - Connecteur optique du type à montage sur site - Google Patents

Connecteur optique du type à montage sur site Download PDF

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Publication number
WO2011031107A2
WO2011031107A2 PCT/KR2010/006208 KR2010006208W WO2011031107A2 WO 2011031107 A2 WO2011031107 A2 WO 2011031107A2 KR 2010006208 W KR2010006208 W KR 2010006208W WO 2011031107 A2 WO2011031107 A2 WO 2011031107A2
Authority
WO
WIPO (PCT)
Prior art keywords
core
coupling
splice
optical fiber
coupled
Prior art date
Application number
PCT/KR2010/006208
Other languages
English (en)
Korean (ko)
Other versions
WO2011031107A3 (fr
Inventor
신순애
표진구
Original Assignee
고려오트론(주)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020090086126A external-priority patent/KR101065079B1/ko
Application filed by 고려오트론(주) filed Critical 고려오트론(주)
Priority to CN201080001591.4A priority Critical patent/CN102272646B/zh
Publication of WO2011031107A2 publication Critical patent/WO2011031107A2/fr
Publication of WO2011031107A3 publication Critical patent/WO2011031107A3/fr

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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
    • G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
    • 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
    • G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means

Definitions

  • the present invention relates to an optical connector, and more particularly, to a field-assembled optical connector that can be easily connected to each other without optical loss in the field.
  • the optical connector aligns the ferrule in which the core of the optical fiber is inserted in the factory so that the optical fiber is cut to fit the optical center in the factory, and minimizes the optical loss through the epoxy bonding and the end face polishing process.
  • Attached optical connectors have been used to lay optical fibers in the form of finished products called patch cords. For example, LC, ST, FC and SC optical connectors are used.
  • the connection between the optical distribution panel and the optical transmission device and the connection between the optical transmission devices face the limitation of length.
  • the optical connectors provided on both sides of the patch cord are converted into an assembly type so that they can be easily assembled in the field, and a patch cord having a desired length can be obtained.
  • Korean Patent Publication No. 2009-0065485 discloses a field connectable optical fiber connector having a splice element.
  • the disclosed connector includes a housing configured to mate with a receptacle, and a collar body disposed within the housing, the collar body including a fiber stub disposed within a first end portion of the collar body, the fiber stub comprising a first optical fiber, and
  • the first optical fiber is mounted in the ferrule and has a first end and a second end adjacent to the end face of the ferrule, the collar body further comprises a mechanical splice device disposed in the splice device receiving portion of the collar body, and the mechanical splice
  • the apparatus includes a collar body configured to splice a second end of the fiber stub on the second optical fiber and a fiber jacket clamping portion for holding the collar body in the housing and clamping the jacket portion surrounding the portion of the second optical fiber in operation. Backbone and fiber jacket clamping of the backbone when attached to the backbone and when attached to the backbone A and a boot that power.
  • the optical connector structured as described above can be assembled in the field, but the mechanical slice device has a structure for clamping the optical core by using a fastening force, so that the coupling force is relatively weak and the coupling is not smoothly performed.
  • the optical connector according to the prior art has a housing, a plug movably inserted and fixed to the housing, a core aligning member movably inserted into the plug, a fixing member wrapped around a part of the core aligning member and inserted into and fixed to the plug, and fixed.
  • a spring inserted into the member to support the core alignment member by an elastic force, a protective cover surrounding and sealing the free end of the fixing member, and an optical fiber inserted into the fixing member to be fixed to be engaged with the core alignment member and drawn from the protective cover.
  • It consists of an optical fiber connecting member for guiding to the alignment member, and a fastening member for fastening to the optical fiber connecting member by tightening the optical fiber introduced from the protective cover while being coupled to or separated from the optical fiber connecting member in the form of a clip.
  • the core of the optical fiber inserted into the optical fiber connection member is fitted to the core alignment member without a separate guide means, it is difficult to accurately fit the core of the optical fiber to the core insertion hole of the core alignment member. That is, it was very difficult to accurately insert the core into the core insertion hole having the diameter corresponding to the diameter of the core having a diameter of approximately 125 ⁇ m without a separate guide means. Thus, there is a problem in that the core is not easily connected in the core insertion hole of the core alignment member.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a field assembly type optical connector that is easy to work while the two optical fibers to be connected can be accurately connected when the optical connector is assembled.
  • a connector body having a hollow portion; Inserted into the hollow portion to splice the optical fiber, the ferrule is supported on the first core of the first optical fiber is coupled to one side and the core insertion hole of the second optical fiber is formed on the other side and communicate with the core insertion hole and the first, second A splice member having a core mounting portion having a v-shaped groove portion for splicing the core of the optical fiber, and an end portion of the first and second cores coupled by the core mounting portion and the coupling means to be supported by the v-groove.
  • Splice unit having a coupling member for supporting in a state;
  • a clamping member coupled to the connector body to elastically support the splice unit with respect to a housing, the clamping member having a clamping portion;
  • a housing coupled to the connector body to support the splice unit and to support the ferrule of the splice unit to protrude to the front;
  • a boot coupled with the clamping member to provide a clamping force for the jacket portion of the second optical fiber; It provides a field assembly optical connector comprising a.
  • the coupling member is supported by the V-shaped groove, characterized in that it has a smooth surface corresponding to the V-shaped groove to hold the first and second cores.
  • the coupling means is characterized in that a plurality of coupling hooks are formed on both sides of the coupling member, the v-groove formed splice member is characterized in that the coupling grooves are coupled to the coupling hook is formed.
  • the inlet side of the core insertion hole of the splice member is characterized in that the core guide portion for guiding the second core to the core insertion hole side.
  • the assembly jig for forming a flow space of the second core is provided.
  • the hook of the ferrule side of the coupling hook formed on the coupling member is primarily coupled to the other side of the coupling hook on the ferrule side to form a flow space in which the second core is inserted in the state supporting the first core It characterized in that formed relatively longer than the coupling hook.
  • the field-assembled optical connector according to the present invention has an advantage in that it is easy to work and has a high coupling force due to the connection between the optical fibers to maintain a stable connection even when installed in a harsh environment.
  • the present invention can reduce the work maneuver according to the connection of the optical fiber.
  • FIG. 1 is an exploded perspective view of a field assembly optical connector according to the present invention
  • Figure 2 is an exploded perspective view showing an extract of the splice unit of the field assembly optical connector according to the present invention
  • FIG. 3 is a cross-sectional view of the splice unit shown in FIG.
  • FIG 4 and 5 are cross-sectional views showing the assembled state of the field assembly optical connector according to the present invention.
  • Field-mounted optical connectors according to the present invention can be readily used for Fiber To The Home (FTTH) and / or Fiber To The X (FTTX) network installations.
  • FTTH Fiber To The Home
  • FTTX Fiber To The X
  • An embodiment is shown in FIGS. 1-3.
  • the field assembly type optical connector 10 is a connector body 20 having a stepped hollow portion 21 and inserted into the hollow portion 21 to splice the first and second optical fibers,
  • the splice member 30 and the core mounting portion 34 and the coupling means 50 are coupled to each other by close contact with the ends of the first and second cores 101 and 201 supported by the V groove 33.
  • a mechanical splice unit 40 having a coupling member 41 for supporting in a state is provided.
  • a clamping member 60 coupled to the connector main body 20 and the fastening means 80 to elastically support the splice unit 40 with respect to the connect main body, and having a clamping portion 61.
  • a housing (71) coupled to (20) to support the splice unit (40) and to support the ferrule (31) of the splice unit (40) to protrude to the front;
  • the boot 72 is coupled to the clamping portion 61 to provide a clamping force of the jacket portion of the second optical fiber.
  • the connector body 20 is coupled by the clamping member 60 and the fastening means 80 to couple the splice unit 40, the front of the connector body 20 of the splice unit 40 A stepped hollow portion 21 from which the ferrule 31 protrudes is formed in the longitudinal direction, and an opening 22 communicating with the hollow portion 21 is formed on the outer circumferential surface of the connector body 20.
  • the splice unit 40 is for splicing the first core 101 of the first optical fiber and the second core 201 of the second optical fiber 200 supported by the ferrule 31.
  • FIGS. As shown in FIG. 2, the core mounting part 34 is formed on the outer circumferential surface of the splice member 30 in the longitudinal direction. The bottom portion of the core mounting portion 34 has a smooth surface and is a V-shaped groove for splicing the first core 101 of the first optical fiber 100 and the second core 201 of the second optical fiber 200. 33 is formed.
  • the V-shaped groove 33 has a V-shaped cross section in a direction perpendicular to the longitudinal direction, and the width of the upper side is formed to be smaller than the diameter of the first and second cores so that the first and second cores are formed. It is desirable to allow (101) and (102) to be mounted on the v-groove (33).
  • an extension part 35 is formed at a portion corresponding to the ferrule 31 of the splice member 30, and the extension part 35 has a core insertion hole 32 extending from the V-groove 33. Is formed.
  • the core insertion hole 32 is preferably the same as the diameter of the first core so that the gap does not occur during insertion.
  • the inlet of the core insertion hole 32 formed in the extension part 35 is preferably formed with a core guide part 32a expanded in a funnel shape so that the second core 201 can be smoothly inserted.
  • the inlet side of the v-groove corresponding to the core insertion hole 32 is preferably expanded to the core insertion hole 32 so that the core can be inserted smoothly.
  • the core mounting portion 34 is coupled by the coupling means 50 to the coupling member 41 for gripping the first and second cores 101 and 102 in a connected state.
  • the lower surface of the coupling member 41 is in a plane parallel to the bottom surface of the core mounting portion 34 to press the first and second cores 101 and 102 supported on the v-shaped groove portion 33. Formed, but not necessarily limited thereto.
  • the coupling means 50 is for coupling the splice member 30 and the coupling member 41, the coupling grooves 51 are formed on both sides of the v-shaped groove 33 of the splice member 30 On both sides of the coupling member 41, coupling hooks 52 are inserted into the coupling groove 51 at portions corresponding to the coupling groove 51.
  • the coupling hook 52 has a sufficient length so as to be caught by the end side edge of the coupling groove 51 formed in the splice member 30.
  • the coupling hook on the side of the ferrule 31 is primarily coupled to support the first core 101. It is preferable that the coupling hook 52 on the ferrule 31 side is formed to be relatively longer than the coupling hook 52 on the other side to form a flow space to be inserted.
  • the splice unit When the connector body 20 is coupled to the splice unit, the splice unit is raised to the connector body 20 corresponding to the coupling groove 51 or the ferrol 31 side is coupled to the coupling hook and the coupling groove.
  • the connector body 30 of the side corresponding to the core insertion hole 32 to form a flow space for holding the optical fiber coupled to the second core can move along the v-shaped groove 33, jig protrusion
  • An insertion hole 36 (see FIG. 4) is formed.
  • the jig protrusion 38a of the assembly jig 38 is inserted into the jig protrusion insertion hole 36, and the jig protrusions 38a are coupled to the coupling groove 51 and the coupling hook at the portion of the core insertion hole 32. Support 52 so that it is not coupled when the second core 201 is inserted.
  • the clamping member 60 is coupled by the connect body 20 and the fastening means 80 to elastically bias the splice unit 40 on which the ferrule 31 is mounted in the direction in which the ferrule 31 protrudes.
  • the coupling part 62 is inserted into the extension part 35 and supports the spring supported by the extension part 35, and the clamping part spaced apart from each other by a predetermined distance extending backward from the coupling part 62. 61).
  • Gripping protrusions 63 for holding the optical fiber are formed in mutually opposing portions of the clamping portions 61, and the end portions of the clamping portions 61 may occupy the optical fiber jacket in mutually opposite directions. So that it is formed into a semi-circular shape.
  • the fastening means 80 is for coupling the connector body 20 and the clamping member 60 to each other, and the engaging grooves 81 and the clamping member 60 formed on the rear end side of the connector body 20.
  • the engaging jaw 82 is coupled to the engaging groove 81 on the outer circumferential surface of the engaging portion 62 is formed.
  • the optical fiber is a jacketed cable comprising an outer jacket (eg with a buffer coating or the like), a core (eg a bare clad / core) and a strength member.
  • the strength member comprises aramid, Kevlar or polyester yarn or strand disposed between the inner surface of the fiber jacket and the outer surface of the coating.
  • a part of the cable jacket of the second optical fiber is cut off, and the coating part of the optical fiber is peeled off to obtain the second optical fiber.
  • the end of the second core 201 is cut off to match the end of the core 101 of the first optical fiber pre-installed, leaving a bare fiber portion 201.
  • a jacket of about 50 mm may be removed, leaving about 25 mm of peeled second core 201.
  • commercial fiber cleavers such as Israelintech MAX CI-01 or Ilsintech MAX CI-08, available from Israelintech, South Korea, may be used to provide flat or angled cuts. Can be. Since the cut second core 201 can be optically coupled by a splice unit, there is no need to polish the fiber ends. Boot 72 may slide over second optical fiber 200 for later use.
  • the second core 201 is cleaned using alcohol and gauze.
  • the optical fiber is inserted into the core insertion hole 32 formed in the extension part 35 through the clamping member 60.
  • the splice member 30 and the coupling member 41 are coupled to the core insertion hole 32 by coupling only some of the coupling hooks 52 and the coupling groove 51 on the ferrule 31 side by the assembly jig.
  • the second core 201 introduced therethrough forms a flow space to move along the V-groove 33.
  • the assembly jig 38 is separated from the connector body 20 and the splice member 30, and the coupling member 41 is pressed to engage the coupling hook 51 and the coupling groove 52 which are not coupled. Complete the connection of the optical fiber by completing the connection of the optical fiber.
  • the boot 72 and the clamping member 60 are screwed in a state in which the optical fiber is pulled back and maintained in a straight state.
  • the connector body 20 and the housing 71 are coupled to each other.
  • the field-assembled connector can be connected to the field within a short time in the field, so it can be widely applied to various network equipment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

La présente invention concerne un connecteur optique du type à montage sur site, qui permet de raccorder directement les unes aux autres les fibres optiques sans perte de lumière dans un site. Le connecteur optique du type à montage sur site selon la présente invention se manipule aisément et possède une force de couplage élevée grâce à la liaison entre les fibres optiques, de sorte que des conditions de liaison stables peuvent être maintenues même dans des milieux défavorables. En outre, grâce à la liaison des fibres optiques, il est possible de diminuer la capacité de travail requise.
PCT/KR2010/006208 2009-09-11 2010-09-13 Connecteur optique du type à montage sur site WO2011031107A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080001591.4A CN102272646B (zh) 2009-09-11 2010-09-13 现场组装光学连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0086126 2009-09-11
KR1020090086126A KR101065079B1 (ko) 2009-07-07 2009-09-11 현장조립형 광커넥터

Publications (2)

Publication Number Publication Date
WO2011031107A2 true WO2011031107A2 (fr) 2011-03-17
WO2011031107A3 WO2011031107A3 (fr) 2011-08-04

Family

ID=43733326

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/006208 WO2011031107A2 (fr) 2009-09-11 2010-09-13 Connecteur optique du type à montage sur site

Country Status (2)

Country Link
CN (1) CN102272646B (fr)
WO (1) WO2011031107A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013118025A1 (fr) * 2012-02-09 2013-08-15 Tyco Electronics (Shanghai) Co. Ltd. Connecteur de fibres optiques

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6032937B2 (ja) * 2012-02-29 2016-11-30 スリーエム イノベイティブ プロパティズ カンパニー 光ファイバケーブル接続器
CN103364887B (zh) * 2012-04-09 2015-03-11 鸿富锦精密工业（深圳）有限公司 光纤连接器
CN103364883B (zh) * 2012-04-09 2015-04-15 鸿富锦精密工业（深圳）有限公司 光纤连接器
PL2841971T3 (pl) 2012-04-27 2018-01-31 Corning Res & Dev Corp Złącze światłowodowe
US9354399B2 (en) 2012-08-07 2016-05-31 Molex, Llc Optical fiber connector assembly
US20140161401A1 (en) * 2012-12-11 2014-06-12 Tyco Electronics Corporation Field-installable optical slice

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2758808B2 (ja) * 1993-05-28 1998-05-28 日本電気 株式会社 光ファイバコネクタ用フェルール構造
US20070104445A1 (en) * 2005-10-24 2007-05-10 3M Innovative Properties Company Fiber termination platform for optical connectors
WO2009148797A1 (fr) * 2008-06-06 2009-12-10 3M Innovative Properties Company Connecteur de fibre optique raccordable in situ avec élément d'épissage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367594A (en) * 1992-09-01 1994-11-22 The Whitaker Corporation Fiber optic splicer-connector
US5761360A (en) * 1996-06-19 1998-06-02 Molex Incorporated Fiber optic connector with fiber gripping means
JP2005257788A (ja) * 2004-03-09 2005-09-22 Honda Tsushin Kogyo Co Ltd 光コネクタ
US7204644B2 (en) * 2004-03-24 2007-04-17 Corning Cable Systems Llc Field installable optical fiber connector
JP4976145B2 (ja) * 2007-01-19 2012-07-18 住友電気工業株式会社 光コネクタ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2758808B2 (ja) * 1993-05-28 1998-05-28 日本電気 株式会社 光ファイバコネクタ用フェルール構造
US20070104445A1 (en) * 2005-10-24 2007-05-10 3M Innovative Properties Company Fiber termination platform for optical connectors
WO2009148797A1 (fr) * 2008-06-06 2009-12-10 3M Innovative Properties Company Connecteur de fibre optique raccordable in situ avec élément d'épissage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013118025A1 (fr) * 2012-02-09 2013-08-15 Tyco Electronics (Shanghai) Co. Ltd. Connecteur de fibres optiques
AU2013217368B2 (en) * 2012-02-09 2016-09-01 Adc Telecommunications (Shanghai) Distribution Co., Ltd. Fiber optic connector

Also Published As

Publication number Publication date
CN102272646B (zh) 2014-08-20
CN102272646A (zh) 2011-12-07
WO2011031107A3 (fr) 2011-08-04

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