JP2014048669A - Optical connection structure - Google Patents
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- JP2014048669A JP2014048669A JP2013194713A JP2013194713A JP2014048669A JP 2014048669 A JP2014048669 A JP 2014048669A JP 2013194713 A JP2013194713 A JP 2013194713A JP 2013194713 A JP2013194713 A JP 2013194713A JP 2014048669 A JP2014048669 A JP 2014048669A
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Abstract
Description
本発明は光伝送路を接続する光接続構造に関する。 The present invention relates to an optical connection structure for connecting optical transmission lines.
従来、光接続構造が知られる。例えば、ＷＯ２００８／０２２１１２号公開公報の技術は、住宅の壁用光コネクタとして商用電源コンセントを用いて光接続構造を実現しており、目に有害なレーザ光が外部に漏れることを、防止するシャッター部を備える技術が開示されている。 Conventionally, an optical connection structure is known. For example, the technology of WO2008 / 022112 discloses an optical connection structure using a commercial power outlet as an optical connector for a house wall, and a shutter that prevents laser light harmful to eyes from leaking to the outside. A technique including a section is disclosed.
ところで、従来の光接続構造は、商用電源コンセントに組込むことで電源が供給されていない装置側からレーザ光が出ないと言った点で安全を確保することができるが、有害なレーザ光が外部に漏れることを防止する住宅の壁用光コネクタのシャッター部を子供などがこじ開ける危険性があると言った問題があった。 By the way, the conventional optical connection structure can ensure safety in that the laser light does not come out from the side of the device that is not supplied with power by incorporating it into a commercial power outlet, but harmful laser light is externally transmitted. There was a problem that there was a risk that children and others could open the shutter part of the optical connector for the wall of the house, which prevents leakage.
そこで、本発明の目的は、住宅の安全な壁用光コネクタを実現することができる光接続構造を提供することにある。 Therefore, an object of the present invention is to provide an optical connection structure that can realize a safe optical connector for a wall of a house.
上記課題を解決するため本発明の光接続構造は、挿入穴（１３）を備えるとともに、第１光伝送路（１５）を配置させる第１光接続構造体（１）と、第２光伝送路（２５）を配置させる光コネクタ部（２３）を備える第２光接続構造体（２）と、から構成され、前記光コネクタ部（２３）が側面に開口部を備え、前記第１光伝送路（１５）の端面が付勢手段により、前記挿入穴（１３）の入口と対向しない所定位置に設定され、該入口と対向する位置に移動可能となっており、前記第１光接続構造体（１）に前記第２光接続構造体（２）を差し込んだときに、前記光コネクタ部（２３）が前記挿入穴（１３）の中に入り、前記第１光伝送路（１５）を前記側面の前記開口部から受け入れて、前記第１光伝送路（１５）と前記第２光伝送路（２５）が接続されることを特徴とする。 In order to solve the above problems, an optical connection structure of the present invention includes an insertion hole (13) and a first optical connection structure (1) in which the first optical transmission line (15) is disposed, and a second optical transmission line. A second optical connection structure (2) including an optical connector portion (23) for arranging (25), wherein the optical connector portion (23) includes an opening on a side surface, and the first optical transmission line The end surface of (15) is set to a predetermined position not facing the entrance of the insertion hole (13) by the biasing means, and can be moved to a position facing the entrance. The first optical connection structure ( When the second optical connection structure (2) is inserted into 1), the optical connector portion (23) enters the insertion hole (13), and the first optical transmission line (15) is connected to the side surface. The first optical transmission line (15) and the second optical transmission line (2 ) Characterized in that is connected.
本発明によれば、光接続構造は、住宅の壁用光コネクタとして用いた場合に、シャッター部を設けなくとも有害なレーザ光が外部に漏れる心配がない。また、商用電源コンセントのフレーム内の容積を増やすことなく商用電源コンセントに組込むことができる。延いては、住宅の安全な壁用光コネクタを実現することが容易にできる。 According to the present invention, when the optical connection structure is used as an optical connector for a residential wall, there is no fear that harmful laser light leaks to the outside without providing a shutter portion. Further, it can be incorporated into a commercial power outlet without increasing the volume in the frame of the commercial power outlet. As a result, it is possible to easily realize an optical connector for a safe wall of a house.
以下、本発明の実施の形態について詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail.
図１は実施形態の光コネクタの正面図である。例えば、光コネクタはコンセント１およびプラグ２から構成され、コンセント１は商用電源コンセントのJIS C 8303（IEC60884）などの規格を満たした電極挿入穴１１、１２、１３を有したパネル１０を備え、プラグ２は並行に延びた電力電極２１、２２およびアース電極２３を有したキャップ２０を備え、アース電極２３は正面と側面に開口を備え、光ファイバ２５（光伝送路）を内部に支持したフェルール２４を内装する筒を形成し、側面の開口が電力電極２１、２２の配置された側を向いている。後述する図２と図３において、コンセント１は図１のＡ−Ａ断面図であり、プラグ２は図１のＢ−Ｂ断面図である。 FIG. 1 is a front view of the optical connector of the embodiment. For example, the optical connector is composed of an outlet 1 and a plug 2, and the outlet 1 includes a panel 10 having electrode insertion holes 11, 12, and 13 that satisfy standards such as JIS C 8303 (IEC60884) of a commercial power outlet. 2 includes a cap 20 having power electrodes 21 and 22 extending in parallel and a ground electrode 23. The ground electrode 23 includes openings on the front and side surfaces, and a ferrule 24 that supports an optical fiber 25 (optical transmission line) therein. The side opening is directed to the side where the power electrodes 21 and 22 are disposed. 2 and 3, which will be described later, the outlet 1 is a sectional view taken along the line AA in FIG. 1, and the plug 2 is a sectional view taken along the line BB in FIG.
図２は実施形態の光コネクタの断面図である。コンセント１は、ガイド穴３４、電力電極３１、３２、アース電極３３およびブロック３７を備えたフレーム１６にパネル１０を被せて形成される。また、ブロック３７の部分が取外し可能である。ガイド穴３４は、光ファイバ１５（光伝送路）を内部に支持したフェルール１４の側面が先端側に接合されたガイド部３５を内装したバネ１７が差し込まれている。また、バネ１７の延び縮みを阻害しない十分な内径を備える。 FIG. 2 is a cross-sectional view of the optical connector of the embodiment. The outlet 1 is formed by covering the panel 10 with the frame 16 including the guide hole 34, the power electrodes 31 and 32, the ground electrode 33 and the block 37. Further, the block 37 can be removed. The guide hole 34 is inserted with a spring 17 having a guide portion 35 in which the side surface of the ferrule 14 that supports the optical fiber 15 (light transmission path) is joined to the distal end side. Further, it has a sufficient inner diameter that does not hinder the expansion and contraction of the spring 17.
ガイド部３５は、先端側が三角形を形成し、反対側が円錐を形成する。バネ１７は、三角形の先端側でガイド部３５を保持する。フェルール１４は、アース電極３３の先端側の通電部に押されて、ガイド穴３４の側に付勢されている。また、付勢されたことにより、先端面が電極挿入穴１３と対向しないようになっており、光ファイバ１５のレーザ光がシャッターを設けていない電極挿入穴１３より漏れる心配がない。 As for the guide part 35, the front end side forms a triangle and the opposite side forms a cone. The spring 17 holds the guide part 35 on the tip side of the triangle. The ferrule 14 is pushed by the energizing portion on the tip side of the ground electrode 33 and is urged toward the guide hole 34. Further, since the front end surface does not face the electrode insertion hole 13 by being energized, there is no fear that the laser light of the optical fiber 15 leaks from the electrode insertion hole 13 not provided with a shutter.
プラグ２は、商用電源コンセントのJIS C 8303（IEC60884）などの規格を満たした電力電極２１、２２、アース電極２３がキャップ２０から並行に突出し、ケーブル４１の電源線が電力電極２１、２２に接続され、ケーブル４１のアース線がアース電極２３に接続されている。アース電極２３は、先端側の正面と側面に開口を備え、スリーブ３６を形成する。スリーブ３６は、２つのフェルール１４、２４の端面を対向させるのに必要な精度を有するフェルール孔を成し、ケーブル４１の光ファイバ２５を内部に支持したフェルール２４と、フェルール２４を押すバネ２７と、を備える。光延長コード３は、コンセント１、プラグ２及びケーブル４１で構成される延長コードの一例である。また、コンセント１を複数備えてケーブル４１上の電源線、アース線および光ファイバを複数のコンセント１に分岐して接続する構成としてもよい。また、ケーブル４１の両端がコンセント１同士または両端がプラグ２同士の組み合わせであってもよい。 In the plug 2, the power electrodes 21 and 22 and the ground electrode 23 satisfying standards such as JIS C 8303 (IEC60884) of a commercial power outlet project in parallel from the cap 20, and the power line of the cable 41 is connected to the power electrodes 21 and 22. The ground wire of the cable 41 is connected to the ground electrode 23. The ground electrode 23 has openings on the front and side surfaces on the front end side, and forms a sleeve 36. The sleeve 36 forms a ferrule hole having an accuracy required to make the end faces of the two ferrules 14 and 24 face each other, and includes a ferrule 24 that supports the optical fiber 25 of the cable 41 inside, and a spring 27 that presses the ferrule 24. . The optical extension cord 3 is an example of an extension cord including the outlet 1, the plug 2, and the cable 41. Alternatively, a plurality of outlets 1 may be provided, and a power line, a ground line, and an optical fiber on the cable 41 may be branched and connected to the plurality of outlets 1. Further, the cable 41 may be a combination of the outlets 1 at both ends or the plugs 2 at both ends.
図３は実施形態の配電・通信システムの構成図である。配電・通信システムは、商用電力を供給する配電盤４２から伸びたケーブル４０の電力供給線およびアース線が電力電極３１、３２およびアース電極３３に接続され、ＬＡＮ（Local Area Network）を形成するハブ４３から伸びた光ファイバ１５がフェルール１４に支持され、プラグ２がコンセント１に差し込まれ、電力電極２１、２２およびアース電極２３がそれぞれ電極挿入穴１１〜１３の中に入り、電力電極３１、３２およびアース電極３３に電気的に接続され、フェルール１４がバネ１７に押されて側面方向に移動し開口からアース電極２３内に入って、アース電極２３内で側面方向に移動してきたフェルール１４の端面に、長手方向に移動してきたフェルール２４の端面が当接して光ファイバ１５と光ファイバ２５が光的に接続される。また、コンセント１に差し込まれたプラグ２を揺さぶるなどして抜く場合に、ガイド部３５がバネ１７により自由に動くことができるため、フェルール１４がアース電極２３の揺動に追従することが可能である。後述する図４（ｃ）のアース電極２３Ｓ（光コネクタ部）は、正面にシャッター部３８ａと、側面に内側に両開きするシャッター部３８ｂを備えると、光コネクタ部の構造をシャッター付き光コネクタの先端部構造に応用することができる。 FIG. 3 is a configuration diagram of the power distribution / communication system of the embodiment. In the power distribution / communication system, a power supply line and a ground line of a cable 40 extending from a distribution board 42 for supplying commercial power are connected to power electrodes 31, 32 and a ground electrode 33, and a hub 43 forming a LAN (Local Area Network). The optical fiber 15 extending from the ferrule 14 is supported by the ferrule 14, the plug 2 is inserted into the outlet 1, the power electrodes 21, 22 and the ground electrode 23 enter the electrode insertion holes 11-13, respectively, and the power electrodes 31, 32, and Electrically connected to the ground electrode 33, the ferrule 14 is pushed by the spring 17 and moves in the lateral direction, enters the ground electrode 23 through the opening, and moves to the end face of the ferrule 14 that has moved in the lateral direction in the ground electrode 23. The end face of the ferrule 24 that has moved in the longitudinal direction comes into contact, and the optical fiber 15 and the optical fiber 25 are optically connected. Further, when the plug 2 inserted into the outlet 1 is pulled out by shaking or the like, the guide portion 35 can be freely moved by the spring 17, so that the ferrule 14 can follow the swing of the ground electrode 23. is there. The ground electrode 23S (optical connector portion) of FIG. 4C described later includes a shutter portion 38a on the front surface and a shutter portion 38b that opens both sides inwardly, and the structure of the optical connector portion is the tip of the optical connector with a shutter. It can be applied to the partial structure.
図４は実施形態の光コネクタの接続図である。（ａ）のコンセント１（図３のＣ−Ｃ断面）は、電力電極２１が電力電極３１の先端側の通電部に挟まれ、電力電極２２が電力電極３２の先端側の通電部に挟まれ、アース電極２３にアース電極３３の先端側の通電部が当接している。 FIG. 4 is a connection diagram of the optical connector of the embodiment. In the outlet 1 of FIG. 3A (C-C cross section in FIG. 3), the power electrode 21 is sandwiched between the current-carrying portions on the front end side of the power electrode 31 and the power electrode 22 is sandwiched between the current-carrying portions on the front end side of the power electrode 32. The current-carrying portion on the tip side of the ground electrode 33 is in contact with the ground electrode 23.
（ｂ）のコンセント１（図１のＡ−Ａ断面）は、光ファイバ２５を配置していない電力電極２１、２２およびアース電極２３Ｚを備えた従来のプラグ２がコンセント１に差し込まれ、電力電極２１、２２が電力電極３１、３２に電気的に接続され、アース電極２３Ｚにフェルール１４の側面およびアース電極３３の通電部が当接し、アース電極２３Ｚがアース電極３３に電気的に接続している。 In the outlet 1 (b-A cross section in FIG. 1), the conventional plug 2 including the power electrodes 21 and 22 and the ground electrode 23 </ b> Z not provided with the optical fiber 25 is inserted into the outlet 1. 21 and 22 are electrically connected to the power electrodes 31 and 32, the side surface of the ferrule 14 and the energizing portion of the ground electrode 33 are in contact with the ground electrode 23 </ b> Z, and the ground electrode 23 </ b> Z is electrically connected to the ground electrode 33. .
（ｃ）のコンセント１（図１のＡ−Ａ断面）は、コンセント１側にフェルール１４を内装して保持したスリーブ３６Ｓを配置し、プラグ２（図１のＢ−Ｂ断面）側のアース電極２３Ｓにフェルール２４を配置した構成とし、プラグ２が差し込まれ、スリーブ３６Ｓ内で、フェルール１４の端面にフェルール２４の端面を当接させて光ファイバ１５と光ファイバ２５を光的に接続している。スリーブ３６Ｓは、２つのフェルールの端面を対向させるのに必要な精度を有するフェルール孔を成し、側面がガイド部３５の先端に接合されている。 (C) Outlet 1 (AA cross section in FIG. 1) has a sleeve 36S in which a ferrule 14 is housed and held on the outlet 1 side, and a ground electrode on the plug 2 (BB cross section in FIG. 1) side. The ferrule 24 is arranged at 23S, the plug 2 is inserted, and the end face of the ferrule 24 is brought into contact with the end face of the ferrule 14 in the sleeve 36S to optically connect the optical fiber 15 and the optical fiber 25. . The sleeve 36 </ b> S forms a ferrule hole having an accuracy necessary for making the end surfaces of the two ferrules face each other, and the side surface is joined to the tip of the guide portion 35.
上記実施形態において、各フェルール１４、２４は、少なくとも１つ以上の光ファイバを備える構成とすればよい。コンセント１は、ブロック３７の裏面に電線挿入口を備えてケーブル４０の電力供給線およびアース線を差し込み、ブロック３７内で電力電極３１、３２およびアース電極３３の端末部で鎖錠的に接続させる構成としてもよい。プラグ２はアース電極２３やアース電極２３Ｓに光伝送路を支持させたが、商用電源コンセント規格のＥタイプ（CEE7/5）などのプラグであれば、各電力電極２１、２２をアース電極２３やアース電極２３Ｓと同様の構造にし、各電力電極２１、２２に光伝送路を支持させ、電力電極２１、２２の双方の側面の開口が互いに平行に向かい合うように配置すると、コンセント１のフレーム内の容積を最小限に抑えることができる。装置４４は、コンセント１と同様の光接続構造を備えたコンセント１ｓを備えてもよい。 In the said embodiment, each ferrule 14 and 24 should just be set as the structure provided with an at least 1 or more optical fiber. The outlet 1 is provided with a wire insertion opening on the back surface of the block 37, and the power supply line and the ground wire of the cable 40 are inserted, and the power electrodes 31 and 32 and the terminal portions of the ground electrode 33 are connected in a locked manner in the block 37. It is good also as a structure. The plug 2 has an optical transmission line supported by the ground electrode 23 or the ground electrode 23S. However, if the plug 2 is a commercial power outlet standard E type (CEE7 / 5), the power electrodes 21 and 22 are connected to the ground electrode 23 or When the power electrode 21 and 22 is supported by the same structure as the ground electrode 23S, and the openings on both side surfaces of the power electrodes 21 and 22 are arranged to face each other in parallel, Volume can be minimized. The device 44 may include an outlet 1s having an optical connection structure similar to that of the outlet 1.
コンセント１またはプラグ２は、光伝送路としてフェルール１４、２４または光ファイバ１５、２５の替わりに、送受光素子またはＰＯＦ（Plastic Optical Fiber）などを配置してもよい。光接続構造は、コンセント１またはプラグ２以外の光コネクタに適用してもよい。また、挿入穴１３を備え、光伝送路１５を配置するコネクタ１と、光伝送路２５を配置する光コネクタ部２３（２３Ｓ）を備えるコネクタ２と、から構成され、光コネクタ部２３（２３Ｓ）が正面と側面に開口部を備え、光伝送路１５が側面からの付勢手段により所定位置に設定され、側面方向に移動可能となっており、コネクタ１にコネクタ２を差し込んだときに、光コネクタ部２３（２３Ｓ）が挿入穴１３の中に入るとともに、側面方向に移動してきた光伝送路１５を開口部から受け入れて、光伝送路１５と光伝送路２５を接続されることを特徴とする。ここで、光コネクタ部２３（２３Ｓ）は、光伝送路２５に対するプロテクタ部を構成する。 In the outlet 1 or the plug 2, a light transmitting / receiving element or POF (Plastic Optical Fiber) or the like may be arranged as an optical transmission path instead of the ferrules 14 and 24 or the optical fibers 15 and 25. The optical connection structure may be applied to an optical connector other than the outlet 1 or the plug 2. The optical connector portion 23 (23S) includes an insertion hole 13 and a connector 1 provided with the optical transmission path 15 and a connector 2 provided with an optical connector portion 23 (23S) where the optical transmission path 25 is provided. Are provided with openings on the front and side surfaces, the optical transmission path 15 is set at a predetermined position by the biasing means from the side surface, and is movable in the side surface direction. When the connector 2 is inserted into the connector 1, The connector portion 23 (23S) enters the insertion hole 13, receives the optical transmission path 15 that has moved in the side surface direction from the opening, and is connected to the optical transmission path 15 and the optical transmission path 25. To do. Here, the optical connector 23 (23S) constitutes a protector for the optical transmission line 25.
上記実施形態によれば、光コネクタは、住宅の壁用光コネクタとして用いた場合に、シャッター部を設けなくとも有害なレーザ光が外部に漏れる心配がない。また、商用電源コンセントのフレーム内の容積を増やすことなく商用電源コンセントに組込むことができる。延いては、住宅の安全な壁用光コネクタを実現することが容易にできる。 According to the above embodiment, when the optical connector is used as an optical connector for a wall of a house, there is no fear that harmful laser light leaks to the outside without providing a shutter portion. Further, it can be incorporated into a commercial power outlet without increasing the volume in the frame of the commercial power outlet. As a result, it is possible to easily realize an optical connector for a safe wall of a house.
１：１ｓ…コンセント，２…プラグ，３…光延長コード，１０…パネル，１１〜１３…電極挿入穴，１４：２４…フェルール，１５：２５…光ファイバ，１６…フレーム，１７：２７…バネ，２０…キャップ，２１：２２：３１：３２…電力電極，２３：２３Ｚ：２３Ｓ：３３…アース電極，３４…ガイド穴，３５…ガイド部，３６：３６Ｓ…スリーブ，３７…ブロック，３８ａ：３８ｂ…シャッター部，４０：４１…ケーブル，４２…配電盤，４３…ハブ，４４…装置 1: 1 s ... outlet, 2 ... plug, 3 ... optical extension cord, 10 ... panel, 11-13 ... electrode insertion hole, 14: 24 ... ferrule, 15: 25 ... optical fiber, 16 ... frame, 17: 27 ... spring 20: cap, 21: 22: 31: 32 ... power electrode, 23: 23Z: 23S: 33 ... ground electrode, 34 ... guide hole, 35 ... guide portion, 36: 36S ... sleeve, 37 ... block, 38a: 38b ... Shutter part, 40:41 ... Cable, 42 ... Switchboard, 43 ... Hub, 44 ... Device
上記課題を解決するため本発明の光接続構造体において、挿入穴（１３）を備えるとともに、第１光伝送路（１５）を配置させ、前記第１光伝送路（１５）の端面または延長線は、前記挿入穴（１３）の入口と対向しない位置に設定され、前記入口から相手方の第２光伝送路（２５）を受け入れたときに、前記入口と対向する位置に移動し、前記第１光伝送路（１５）と前記第２光伝送路（２５）が接続されることを特徴とする。 In order to solve the above problems, in the optical connection structure of the present invention, the insertion hole (13) is provided, the first optical transmission line (15) is arranged, and the end face or extension line of the first optical transmission line (15) is provided. Is set at a position that does not face the entrance of the insertion hole (13), and moves to a position facing the entrance when the second optical transmission path (25) of the other party is received from the entrance. An optical transmission line (15) and the second optical transmission line (25) are connected.
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