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WO2019054849A2 - Connecteur de fibres optiques duplex capable d'un suivi de connexion - Google Patents

Connecteur de fibres optiques duplex capable d'un suivi de connexion Download PDF

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Publication number
WO2019054849A2
WO2019054849A2 PCT/KR2018/011001 KR2018011001W WO2019054849A2 WO 2019054849 A2 WO2019054849 A2 WO 2019054849A2 KR 2018011001 W KR2018011001 W KR 2018011001W WO 2019054849 A2 WO2019054849 A2 WO 2019054849A2
Authority
WO
WIPO (PCT)
Prior art keywords
connector
optical fiber
crimp
light emitting
duplex
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.)
Ceased
Application number
PCT/KR2018/011001
Other languages
English (en)
Korean (ko)
Other versions
WO2019054849A3 (fr
Inventor
박찬술
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Research and Development Corp
Original Assignee
Corning Research and Development Corp
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
Application filed by Corning Research and Development Corp filed Critical Corning Research and Development Corp
Publication of WO2019054849A2 publication Critical patent/WO2019054849A2/fr
Publication of WO2019054849A3 publication Critical patent/WO2019054849A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02B6/385—Accessories for testing or observation of connectors
    • 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
    • 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
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • 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
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
    • G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
    • 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
    • G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
    • G02B6/3857—Crimping, i.e. involving plastic deformation
    • 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
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
    • 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
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893—Push-pull type, e.g. snap-in, push-on

Definitions

  • the present invention relates to a duplex fiber optic connector. And more particularly to a duplex fiber optic connector capable of tracking the connection of a fiber optic cable having connectors at both ends between remote devices.
  • a patch cord is a fiber optic cable with connectors at both ends and is used to interconnect communication lines between remote devices.
  • a main distribution board MDF
  • a patch cord is used.
  • two optical fibers are used in one cable jacket.
  • one jacket is used for two optical fiber cables, an additional process such as optical separation is required. Therefore, the manufacturing process is troublesome and manufacturing cost is increased. There is a problem in that stability is lower than in the case of using a jacket every time.
  • a patch cord of a duplex fiber optic connector system that combines two simplex optical fiber connectors in a row arrangement with individual jacketed fiber optic cables is preferred.
  • a patch cord having duplex optical connectors has begun to be highlighted, and a method for easily adding a connection tracking function to a duplex optical connector is required.
  • the present invention has been proposed in order to solve the above problems, and it is an object of the present invention to provide a duplex optical fiber connector having tracking means such as an LED. It is also an object of the present invention to easily and conveniently connect the tracking means while maintaining the manufacturing method of the conventional duplex optical fiber connector.
  • a duplex optical fiber connector capable of connection tracking includes a connector body including a first body and a second body, wherein an optical fiber cable including a metal wire is connected to the first body and the second body, respectively; A connector backbone provided at an end of each of the first body and the second body, wherein a distal end of the optical fiber cable is fixed inside; Crimp surrounding connector backbone; And tracking means electrically connected to the crimp, wherein the metal wire at the end of the optical fiber cable is exposed to the outside of the connector backbone and fixed between the connector backbone and the crimp, wherein the crimp comprises a metal .
  • a method of manufacturing a duplex optical fiber connector capable of tracking connection comprising: providing a connector backbone at an end of a first body and a second body in a connector body including a first body and a second body; Exposing a metal wire to the outside at each end of an optical fiber cable comprising a metal wire; Positioning the exposed metal wire outside the connector backbone and connecting each end of the fiber optic cable to the interior of the connector backbone to connect the fiber optic cable to the first body and the second body; Securing the exposed metal wire using a crimp; And connecting the tracking means including the light emitting portion to the crimp, characterized in that the crimp comprises a metal.
  • the tracking means further include an electrically conductive light emitting circuit contact portion connected to the light emitting portion, and the light emitting circuit contact portion is preferably in contact with the crimp.
  • a boot body which is preferably attachable to the end of the connector body and mounted on the crimp. More preferably, a boot comprising a tracking means can be mounted on the crimp so as to be attachable to the ends of the first body and the second body.
  • a housing mounted on the connector body. More preferably, a housing including a tracking means can be mounted on the connector body.
  • the optical fiber cable further includes a reinforcing member, and more preferably, the reinforcing member is exposed to the outside of the connector backbone and fixed by the crimp. It is also desirable to secure the exposed reinforcing members using a crimp while at the same time fixing the exposed metal wire with a crimp.
  • the light emitting portion includes a light emitting diode (LED).
  • LED light emitting diode
  • each body is rotated by 180 degrees so as to change the order of the first body and the second body so that the light polarity of the duplex optical fiber connector can be changed by reconnecting to the housing and the boot.
  • a duplex patch cord in which a duplex optical fiber connector capable of connection tracking is attached to both ends of an optical fiber cable.
  • the light emitting portion of the duplex optical fiber connector attached to the remote opposite end emits light.
  • the present invention overcomes the problem of connection location tracking of remote connections in conventional patch cords.
  • the present invention provides a duplex connector with tracking means for easily tracking the connection between the fiber optic cable and the connector.
  • the present invention is advantageous in that the tracking means can be easily and easily connected while maintaining the conventional manufacturing method of the duplex optical fiber connector.
  • a metal crimp is used to fix a reinforcing member such as Kevlar and the like, and the metal wire connected to the tracking means is fixed together, thereby reducing manufacturing cost and simplifying the process.
  • the present invention is advantageous in that the optical polarity of the duplex optical fiber connector can be easily changed.
  • 1A is a view of a duplex patch cord in which a conventional duplex connector is attached to both ends of an optical fiber cable.
  • 1B is a view showing the appearance of a duplex connector attached to a conventional duplex patch cord.
  • FIG. 2A and FIG. 2B are views showing a connection portion between a connector body and an optical fiber cable in a duplex connector according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of an optical fiber cable according to an embodiment of the present invention.
  • 4A is a view showing the appearance of a boot according to an embodiment of the present invention.
  • FIG. 4B is a perspective view according to line A-A 'shown in FIG. 4A.
  • 4C is a diagram illustrating the interior of a boot according to an embodiment of the present invention.
  • 4D is a view showing the appearance of a duplex connector according to an embodiment of the present invention.
  • 4E is a cross-sectional view along line B-B 'shown in FIG. 4D.
  • 5A is a view showing the appearance of a duplex connector before a housing and a boot according to an embodiment of the present invention are mounted.
  • 5B is a view showing the appearance of a housing according to an embodiment of the present invention.
  • 5C is a perspective view of a housing according to an embodiment of the invention.
  • 5D is a side view of a housing according to an embodiment of the present invention.
  • 5E is a view showing the appearance of a duplex connector with a housing according to an embodiment of the present invention.
  • FIG. 5f is a view showing the appearance of a duplex connector according to an embodiment of the present invention.
  • FIG. 6 is a view illustrating a connection tracking method of a duplex patch coat according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating a polarity changing method of a duplex patch cord according to an embodiment of the present invention.
  • FIG. 1A showing a conventional duplex patch cord
  • a connector is connected to both ends of an optical fiber cable.
  • FIG. 1B is a duplex connector 200 provided by joining two separate simplex optical fiber connectors in a side-by-side arrangement, A housing 210 mounted on the connector body 205, a boot 220, and an optical fiber cable 240.
  • the connector body 205 includes a first body and a second body arranged in parallel.
  • the conventional duplex patch code does not include tracking means for identifying whether or not to connect, for example, a light emitting portion.
  • the optical fiber connector according to the present invention can include a connector used in a conventional duplex patch cord, and a tracking means in an easy and simple way while keeping the manufacturing method thereof at a low cost.
  • FIGS. 2A and 2B illustrate an internal structure of a connection portion between a connector body and an optical fiber cable according to an embodiment of the present invention.
  • An optical fiber connector according to an embodiment of the present invention is configured to match two corresponding adjacent receptacles to each other and to be connected to an optical fiber cable.
  • a fiber optic connector is configured with an LC format.
  • fiber optic connectors having other standard formats such as SC, ST, and FC connector types may be provided.
  • the optical fiber cable includes a glass fiber 310, a buffer layer 320, a fiber reinforcing layer 330 and a metal wire 290, respectively, as shown in Fig. 3, All.
  • the fibrous reinforcing layer 330 protects the optical fiber from excessive strain imparted to the cable by imparting significant tensile strength to the cable, and is preferably made of aramid fibers.
  • the fibrous reinforcing layer 330 may include, but is not limited to, Kevlar, or polyester yarns, strands or rods.
  • the metal wire 290 may be made of a conductive material, for example, copper.
  • FIG. 2A shows a connection method of the optical fiber cable 240 and the connector body 205.
  • FIG. An optical fiber connector includes two connector backbones 260 provided at the ends of the connector body 205 and the connector backbone 260 may be cylindrical to allow the optical fiber cable to be located therein. Each end of the optical fiber cable 240 is inserted into the connector backbone 260 and connected to each body of the connector body 205 in the housing 210.
  • the reinforcing member 280 may be used for durability when connecting the optical fiber cable to the connector. For example, a kevlar can be applied to the reinforcing member 280.
  • the reinforcing member 280 is positioned outside the connector backbone 260 and fixed through the crimp 270.
  • the crimp 270 may have a ring shape or a polygonal shape such as a hexagon.
  • FIG. 2B a method of connecting the optical fiber cable 240 and the connector body 205 according to an embodiment of the present invention is shown.
  • a part of the jacket 350 is removed at the portion of the optical fiber cable 240 fixed inside the connector backbone 260 and the metal wire 290 is exposed to the outside of the connector backbone 260.
  • the reinforcing member 280 is fixed to the outside of the connector backbone 260 by using the crimp 270 while the exposed metal wires 290 are fixed together.
  • the connection of the optical fiber cable 240 and the connector body 205 is fixed.
  • the crimp 270 is made of a conductive material, for example, a metal. Accordingly, the metal wire 290 and the crimp 270 can be electrically connected.
  • FIGS. 4A to 4E a duplex optical fiber connector with a tracking unit according to an embodiment of the present invention and a method of operating the tracking unit will be described with reference to FIGS. 4A to 4E.
  • the boot 400 includes a tracking means and a boot body 410.
  • 4A shows an appearance of a boot 400 according to an embodiment of the present invention in which the boot body 410 has two internal spaces that can be mounted at the distal end of the fiber optic cable and is attached to the end of the connector body It is possible.
  • the tracking means includes, for example, a light emitting circuit, wherein the light emitting circuit includes a light emitting portion 430 and an electrically conductive light emitting circuit contact portion 450.
  • the light emitting portion 430 may include a light emitting diode (LED).
  • FIG. 4B is a cross-sectional view of the boot according to an embodiment of the present invention, taken along line A-A 'shown in FIG. 4A.
  • the light emitting circuit contact portion 450 connected to the light emitting portion 430 extends to each inner space of the boot body 410.
  • the light emitting circuit contact portion 450 is formed to extend to the inner space while enclosing the outer surface of the boot body 410, but is not limited thereto.
  • FIG. 4D shows an appearance of an optical fiber connector equipped with a boot according to an embodiment of the present invention
  • FIG. 4E is a cross-sectional view along line B-B 'shown in FIG. 4D.
  • the light emitting circuit contact portion 450 leading to the inner space of the boot body 410 can be contacted with the crimp 270, which is the outermost surface surrounding the optical fiber cable have.
  • the light emitting circuit contact 450 has electrical continuity to the metal wire 290 fixed between the connector backbone 260 and the crimp 270 via a metal crimp 270.
  • the tracking means can be integrally connected with the optical fiber connector to which the optical fiber cable is connected. Further, an external power source may be supplied to the light emitting portion 430 through the metal wire 290.
  • FIG. 5A is a duplex optical fiber connector according to an embodiment, and shows the appearance of a duplex optical fiber connector before the housing and the boot are mounted.
  • the connector body 205 is connected to the optical fiber cable 240 and the metal wire 290 is fixed in contact with the crimp 270 as described above.
  • a housing 210 according to another embodiment of the present invention is mounted as shown in FIG. 5B.
  • the housing 210 has two internal spaces for mounting in a manner surrounding each body of the connector body.
  • the housing 210 includes a light emitting circuit comprised of tracking means, e.g., a light emitting portion 430 and an electrically conductive light emitting circuit contact portion 450.
  • 5C is a perspective view of a housing according to an embodiment of the invention.
  • the light emitting portion 430 is attached to the side where the optical fiber cable 240 is connected when the housing 210 is mounted on the connector body and the light emitting circuit contact portion 450 provided on both sides of the light emitting portion protrudes to the outside.
  • the light emitting circuit contact portion 450 extends to the inner space of the housing 210 and protrudes in a direction in which one side of the inner space extends, and is not limited thereto.
  • FIG. 5E shows an appearance of an optical fiber connector equipped with a housing according to an embodiment of the present invention.
  • the housing 210 is mounted on the connector body 205, the light emitting circuit contact portion 450 extending from the optical fiber cable connection side of the housing 210 can be brought into contact with the outer surface of the crimp 270.
  • the light-emitting circuit contact 450 has electrical continuity to the metal wire 290 through a crimp 270, which is a metal.
  • the boot 220 is finally inserted to complete the duplex optical fiber connector.
  • the housing including the tracking means By mounting the housing including the tracking means on the connector body, the tracking means can be integrally connected with the optical fiber connector to which the optical fiber cable is connected.
  • An external power source may be supplied to the light emitting portion 430 through the metal wire 290.
  • 6 shows a duplex patch cord having optical fiber connectors at both ends of an optical fiber cable according to an embodiment of the present invention, together with an equivalent circuit diagram.
  • a light emitting circuit contact connected to a light emitting portion is connected to a crimp according to an embodiment of the present invention to provide a duplex patch cord having a connection tracking function.
  • power is supplied to the optical fiber connector at the left end of the duplex patch cord according to an embodiment of the present invention.
  • the optical fiber connector at the left end is connected to a tester capable of supplying power .
  • Power is supplied to the optical fiber connector at the left end, so that the light emitting portion connected through the light emitting circuit contact portion emits light by utilizing electrical continuity between the crimp and the metal wire. Therefore, after power is supplied to the left end, the user can check the light emitting position of the light emitting portion on the right end positioned opposite to the remote to grasp the connection position on the right end (for convenience, considering the position of the user, Status only).
  • FIG. 6C shows a state in which power is supplied to the optical fiber connector at the right end of the duplex patch cord according to the embodiment of the present invention.
  • the user can confirm the light emitting position of the light emitting portion located at the left end located at the remote side and grasp the connection position at the left end (only the light emitting state of the optical fiber connector at the left end is shown for convenience in consideration of the user's position).
  • FIG. 7 shows a polarity changing method of a duplex patch cord, wherein (a) shows the appearance of a duplex patch cord according to an embodiment of the present invention. (b) separates the boot attached to the end of the connector body, and detaches the housing. (c), remove each body of the connector body and insert it by turning it 180 degrees so that the direction of the upper surface of the body changes downward and the housing is also turned to the opposite direction. The housing separated at (d) Reattach it in the desired direction and insert the boot again. Just changing the direction of the top and bottom of the body and re-fitting the housing will change the order of each body.
  • the light polarity can be easily changed only by a simple operation in which each body of the connector body separated from the boot is turned 180 degrees and re-mounted so that the order of each body is changed.
  • the tracking means including the light emitting portion and the light emitting circuit contact are mounted to the boot or housing and the connection of the tracking means to the fiber optic cable uses basic elements such as metal wires and crimp.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

L'invention concerne un connecteur de fibres optiques duplex capable d'effectuer un suivi de connexion, ledit connecteur comprenant : un corps de connecteur comprenant un premier corps et un second corps, un câble de fibres optiques comprenant un fil métallique étant connecté au premier corps et au second corps ; une infrastructure de connecteur prévue à une extrémité du premier corps et du second corps et fixant une extrémité du câble de fibres optiques à l'intérieur de celle-ci ; un élément de sertissage entourant la base du connecteur ; et un moyen de suivi connecté électriquement à l'élément de sertissage et comprenant une partie d'émission de lumière, le fil métallique étant exposé à l'extérieur de la base du connecteur à l'extrémité du câble de fibres optiques et étant fixé entre la base du connecteur et l'élément de sertissage, et le sertissage comprenant un métal.
PCT/KR2018/011001 2017-09-18 2018-09-18 Connecteur de fibres optiques duplex capable d'un suivi de connexion Ceased WO2019054849A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0119367 2017-09-18
KR1020170119367A KR20190031662A (ko) 2017-09-18 2017-09-18 연결 추적이 가능한 듀플렉스 광섬유 커넥터

Publications (2)

Publication Number Publication Date
WO2019054849A2 true WO2019054849A2 (fr) 2019-03-21
WO2019054849A3 WO2019054849A3 (fr) 2019-05-02

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PCT/KR2018/011001 Ceased WO2019054849A2 (fr) 2017-09-18 2018-09-18 Connecteur de fibres optiques duplex capable d'un suivi de connexion

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WO (1) WO2019054849A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102204478B1 (ko) 2020-08-31 2021-01-18 탈렌티스 주식회사 패치 코드 식별 검사시스템

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060263011A1 (en) * 2005-05-20 2006-11-23 Wenzong Chen Hybrid optical/electrical connector and adapter
US8764308B2 (en) * 2011-06-06 2014-07-01 Panduit Corp. Duplex clip assembly for fiber optic connectors
AU2014207504B2 (en) * 2013-01-18 2017-10-19 Christopher B. Scherer Field-terminable traceable cables, components, kits, and methods
CN105874367B (zh) * 2013-08-21 2018-05-18 克里斯多佛·B·谢勒 具有远程释放连接器的可追踪联网电缆
WO2017074670A1 (fr) * 2015-10-30 2017-05-04 Corning Optical Communications LLC Ensemble de câble traçable et connecteur

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WO2019054849A3 (fr) 2019-05-02
KR20190031662A (ko) 2019-03-27

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