WO2007069296A1 - Fiche de connexion pour guide d'onde optique - Google Patents

Fiche de connexion pour guide d'onde optique Download PDF

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Publication number
WO2007069296A1
WO2007069296A1 PCT/JP2005/022841 JP2005022841W WO2007069296A1 WO 2007069296 A1 WO2007069296 A1 WO 2007069296A1 JP 2005022841 W JP2005022841 W JP 2005022841W WO 2007069296 A1 WO2007069296 A1 WO 2007069296A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector plug
flat cable
optical waveguide
receptacle
optical
Prior art date
Application number
PCT/JP2005/022841
Other languages
English (en)
Japanese (ja)
Inventor
Shigehiro Oi
Koichiro Yoshimura
Original Assignee
Honda Tsushin Kogyo Co., Ltd.
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 Honda Tsushin Kogyo Co., Ltd. filed Critical Honda Tsushin Kogyo Co., Ltd.
Priority to JP2007550030A priority Critical patent/JPWO2007069296A1/ja
Priority to PCT/JP2005/022841 priority patent/WO2007069296A1/fr
Publication of WO2007069296A1 publication Critical patent/WO2007069296A1/fr

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
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/592—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connections to contact elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing

Definitions

  • the present invention is used in, for example, a small device such as a mobile phone, and has a flexible optical waveguide that has at least an optical waveguide used for optical communication and may have electric wiring.
  • the present invention relates to an optical waveguide connector plug for connecting a waveguide flat cable.
  • a flexible flat cable is composed of a signal line embedded between at least two non-woven fabric layers, and dimensional stability with very little temperature change.
  • VCSEL vertical cavity surface emitting laser
  • the optical signal is reduced in optical loss.
  • an optical waveguide that eliminates the need for alignment between the module and the optical waveguide and is resistant to fluctuations in the external environment (see JP-A-2005-292718).
  • the optical waveguide connector plug according to the present invention is an optical waveguide connector plug that is attached to one end of an optical waveguide flat cable in which a core is disposed in a clad or a core and electrical wiring are disposed in the clad. Therefore, the connector plug is provided with a stagnation space that allows stagnation of the flat cable.
  • a connector plug is integrally formed at one end of the flat cable. Further, a connecting piece for electrically connecting the electric wiring of the flat cable and the contact of the mating receptacle is provided. It is preferable.
  • an elastic means for always urging the flat cable toward the receptacle side into which the connector plug is fitted is provided.
  • the end of the flat cable is disposed so as to recede inward from the end of the end of the connector plug, which is the contact surface when mated with the receptacle.
  • the optical waveguide connector plug of the present invention it is easy to connect to the receptacle in the optical communication connection by the optical waveguide flat cable, and the front end of the flat cable is connected to the receptacle-side connecting portion. In this stagnation space portion, the stagnation portion of the flat cable is absorbed and the connection state at the tip portion of the flat cable in the connection portion is maintained well.
  • the flat cable tip is pushed back to the receptacle side by the stagnation partial force S of the flat cable and the force to return to the original, so that the connection state of the flat cable tip is maintained and the optical communication is reliable. Improves. Further, when the flat cable is extended due to a temperature change in the surrounding environment, the deformation due to the extension is absorbed by the bending space.
  • the connector plug is integrally formed at one end of the flat cable, The number of man-hours for combining the connector plugs in one table is reduced.
  • the connector plug is provided with a connection piece for electrical connection, a connection load is applied to the electrical wiring of the flat cable. Therefore, even if the connector plug is repeatedly inserted and removed from the receptacle, the electric wiring of the flat cable is not worn.
  • the front end portion of the flat cable is disposed inwardly from the end surface of the front end portion of the connector plug, which is a contact surface when mated with the receptacle, it is ensured that the gap is secured. There is no risk of damage such as scratches.
  • FIG. 1A is a plan view of an optical waveguide connector plug 7 according to the present invention.
  • FIG. 1B is a front view of the optical waveguide connector plug 7 according to the present invention.
  • FIG. 1C is a side view of the optical waveguide connector plug 7 according to the present invention.
  • FIG. 2 is a cross-sectional view of the optical waveguide connector plug 7 taken along line AA in FIG. 1A.
  • FIG. 3A is a cross-sectional view showing the flat cable 1 in the optical waveguide connector plug 7 before it is pinched.
  • FIG. 3B is a cross-sectional view showing the flat cable 1 in a state of being squeezed in the stagnation space portion 7c in the optical waveguide connector plug 7.
  • FIG. 4 is a plan view of the optical waveguide connector plug 7 with a plug upper portion 7a removed.
  • FIG. 5 is a front view when the optical waveguide connector plug 7 is integrally formed.
  • FIG. 6A is a cross-sectional view showing another embodiment of the optical waveguide connector plug 7 biased by the plate panel 11a.
  • FIG. 6B is a cross-sectional view showing another embodiment of the optical waveguide connector plug 7 biased by the coil panel lib.
  • FIG. 7A is a side view of the receptacle 13.
  • FIG. 7B is a front view of the receptacle 13.
  • FIG. 7C is a cross-sectional view of the side surface of the receptacle 13.
  • the optical waveguide flat cable 1 in the optical waveguide connector plug according to the present invention has at least a core for the optical waveguide and a clad for protecting the core by embedding the core, and has an electrical wiring. There is also a flat cable for an optical waveguide.
  • the optical waveguide flat cable 1 has a core for the optical waveguide, and there are, for example, four electric wires in parallel therewith. Thereby, a large-capacity signal is transmitted.
  • the notch lb on the side of the flat cable 1 serves as a positioning when the flat cable 1 is disposed in the connector plug 7 described later. Further, in the electrical wiring, a hole lc (see FIG. 4) for conducting electricity to the outside in the thickness direction of the flat cable 1 is formed.
  • An optical waveguide connector plug 7 according to the present invention is attached to one end of an optical waveguide flat cable 1 as shown in FIGS. 1A to 1C. As shown, a stagnation space 7c that allows stagnation in the longitudinal direction of the flat cable 1 is provided inside the connector plug 7 (7a, 7b).
  • the end of the flat cable 1 is projected from the end surface 7 ⁇ ⁇ on the connection side of the connector plug 7, for example. If the connector plug 7 is fitted and connected to the receptacle 13 (see FIGS. 7A to 7C) and the front end of the flat cable 1 is pushed back, it can be freely caught in the stagnation space 7c. it can.
  • the sag of the flat cable 1 is not only in the case of pushing back, but even when the flat cable 1 is extended due to a change in temperature, even if the end portion of the flat capet laver 1 is not protruding, If the tip side of the flat cable 1 cannot be extended, the flat cable 1 crawls along the way, so that the stagnation in that case can be absorbed by the stagnation space 7c.
  • the connector plug 7 is constituted by two divided bodies, that is, a plug upper portion 7a and a plug lower portion 7b. As shown in the plan view of the lower plug portion 7b when the upper plug portion 7a is removed in FIG. 4, the union pin 8 and the positioning pin 9 for positioning the flat cable 1 are provided. Yes. Flat cable 1 notch Pin 9 fitted loosely into lb The position in the longitudinal direction is regulated, and the pin 9 on the side of the flat cable 1 regulates the position in the width direction of the flat cable 1.
  • the plug upper portion 7a is provided with pin holes (not shown) into which the pins 8 are fitted so as to correspond to the respective positions.
  • an engaging protrusion 7 d is provided so as to obtain a click feeling when fitted to the receptacle 13 (see FIGS. 7A to 7C).
  • a click feeling at the time of mating can be obtained, and the resistance force can also prevent removal from the receptacle 13.
  • a position restricting projection 7e is provided on the upper end of the connector plug 7 in order to prevent rotation around the axis when it is fitted to the receptacle 13. ing.
  • connection piece 10 for electrically connecting the electrical wiring of the flat cable 1 and the contact 13d (see FIG. 7C) of the mating receptacle 13. ing.
  • This connection piece 10 is provided by press-fitting or inserting into the connector plug 7.
  • n 0.5 mm at the maximum from the end surface 7 of the connector plug 7.
  • the connector plug 7 is a force composed of a split plug upper portion 7a and a plug lower portion 7b. Not limited to this, the connector plug 7 is formed at one end of the flat cable 1 as shown in FIG. Sometimes.
  • the flat cable 1 is inserted into a mold and molded. When the flat plug 1 is bent in a substantially orthogonal state and the connector plug 7 is attached, it can be formed with reduced assembly steps.
  • the inertial means may be a plate panel 11a shown in FIG. 6A or a coil spring l ib shown in FIG. 6B.
  • the cover 12 is provided to attach the elastic means 11a or ib and exert its action.
  • the receptacle 13 to be connected to the optical waveguide connector plug 7 is connected to a box-shaped shell 13a surrounding the entire connector plug 7, as shown in FIG.
  • the sleeve 13b has a click groove 13c on both side walls, an electrical connection contact 13d on the lower side, and a groove 13e in which the position restricting projection 7e is fitted on the inner upper side of the sleeve 13b.
  • the optical waveguide connector plug 7 transmits a large-capacity signal, not limited to a mobile phone or the like. If the light emitting part and the light receiving part are at a short distance, various electrical / electronic devices are used. It can be applied to equipment.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

Afin d'améliorer la fiabilité d'une transmission d'un signal optique dans un câble plat (1) pour un guide d'onde optique, une fiche de connexion (7) destinée au guide d'onde optique est installée à une extrémité du câble plat (1) comprenant une gaine sur laquelle un tore ou un tore et des câbles électriques sont installés. A l'intérieur de la fiche de connexion (7), une partie creuse (7c) conçue pour assurer une souplesse est définie afin de permettre au câble plat (1) de se courber. Grâce à une telle structure, il est facile de raccorder le câble plat (1) de manière fiable, et on peut conserver de bons états de connexion aux niveaux des parties de transmission de signal optique.
PCT/JP2005/022841 2005-12-13 2005-12-13 Fiche de connexion pour guide d'onde optique WO2007069296A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007550030A JPWO2007069296A1 (ja) 2005-12-13 2005-12-13 光導波路用コネクタプラグ
PCT/JP2005/022841 WO2007069296A1 (fr) 2005-12-13 2005-12-13 Fiche de connexion pour guide d'onde optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/022841 WO2007069296A1 (fr) 2005-12-13 2005-12-13 Fiche de connexion pour guide d'onde optique

Publications (1)

Publication Number Publication Date
WO2007069296A1 true WO2007069296A1 (fr) 2007-06-21

Family

ID=38162619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/022841 WO2007069296A1 (fr) 2005-12-13 2005-12-13 Fiche de connexion pour guide d'onde optique

Country Status (2)

Country Link
JP (1) JPWO2007069296A1 (fr)
WO (1) WO2007069296A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0476257U (fr) * 1990-11-14 1992-07-03
JP2001042170A (ja) * 1999-07-28 2001-02-16 Canon Inc 光配線装置、その駆動方法およびそれを用いた電子機器
JP2001326007A (ja) * 2000-03-06 2001-11-22 Auto Network Gijutsu Kenkyusho:Kk フラット配線材の接続構造およびフラット配線材用コネクタ
JP2003007376A (ja) * 2001-06-21 2003-01-10 Calsonic Kansei Corp Ｆｆｃ接続用コネクタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000304966A (ja) * 1999-04-21 2000-11-02 Nippon Telegr & Teleph Corp <Ntt> 光導波路用コネクタ及び光結合装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0476257U (fr) * 1990-11-14 1992-07-03
JP2001042170A (ja) * 1999-07-28 2001-02-16 Canon Inc 光配線装置、その駆動方法およびそれを用いた電子機器
JP2001326007A (ja) * 2000-03-06 2001-11-22 Auto Network Gijutsu Kenkyusho:Kk フラット配線材の接続構造およびフラット配線材用コネクタ
JP2003007376A (ja) * 2001-06-21 2003-01-10 Calsonic Kansei Corp Ｆｆｃ接続用コネクタ

Also Published As

Publication number Publication date
JPWO2007069296A1 (ja) 2009-05-21

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