JP3761762B2 - Optical distribution board - Google Patents

Optical distribution board Download PDF

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JP3761762B2
JP3761762B2 JP2000046549A JP2000046549A JP3761762B2 JP 3761762 B2 JP3761762 B2 JP 3761762B2 JP 2000046549 A JP2000046549 A JP 2000046549A JP 2000046549 A JP2000046549 A JP 2000046549A JP 3761762 B2 JP3761762 B2 JP 3761762B2
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optical
panel
wiring board
optical fiber
connector adapter
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JP2001235633A (en
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卓也 大崎
幹正 進藤
洋 古川
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Fujikura Ltd
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Fujikura Ltd
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【０００１】
【発明の属する技術分野】
本発明は、光配線盤に関するものである。
【０００２】
【従来の技術】
従来、光配線盤としては、架体に複数配列固定された光コネクタアダプタを介して、架体前面側と背面側とからそれぞれ架体に引き込んだ光ファイバ同士がコネクタ接続されるようになっているものが多く提供されている。前記光コネクタアダプタに対する光ファイバの接続は、該光ファイバ先端に設けられた光コネクタプラグによって着脱自在になされ、これにより、光ファイバ間の切替接続（ジャンパ接続）が可能になっていることが一般的である。
【０００３】
【発明が解決しようとする課題】
しかしながら、前述のような光配線盤では、前面側のみならず、背面側でも、光コネクタアダプタに対する光ファイバの接続等の作業を行う必要があるから、背面側にも作業スペースを確保する必要がある。このため、例えば、建物の壁等に背面を近接させて設置することができず、結局、光配線盤の設置には比較的大きい設置スペースを確保する必要があった。また、光コネクタアダプタを介して光ファイバ同士を接続する場合、前面側および背面側の両側を往復して接続する光ファイバ同士を対照させながら作業を進めることになるから、作業性に不満があった。特に、多数の光コネクタアダプタが高密度実装された光配線盤では、接続の作業数が膨大となるため、前述のように前面側および背面側の両側を往復して作業するのでは、作業性の低下が顕著になるといった不満があった。なお、作業性の問題は、接続作業に限定されるものでは無く、接続解除や切替接続等の作業でも同様に発生する。
【０００４】
本発明は、前述の課題に鑑みてなされたもので、設置スペースの省スペース化、光ファイバ同士の接続や切替接続等の作業性の向上を実現できる光配線盤を提供することを目的とする。
【０００５】
【課題を解決するための手段】
請求項１記載の光配線盤は、配線盤本体部（１ａ、１ｂ、１ｃ）に対して互いに平行な回転中心を以って回転することによって開閉する一対の扉状のパネル（２）に光コネクタアダプタ（８）が取り付けられ、前記パネルの前記配線盤本体部側から前記光コネクタアダプタにコネクタ接続された光ファイバ（１１、１２）と、前記パネルの前記配線盤本体部に対する逆側である前面側から前記光コネクタアダプタにコネクタ接続された光ファイバ（９）とが前記光コネクタアダプタを介して接続されるようになっており、各パネルの回転中心をなす回転支持部（１４、１５）が、配線盤本体部の前面側中央部に、横並びに配置され、各パネルは、前記配線盤本体部の前面側を塞ぐ閉位置と、この閉位置から配線盤本体部の前面側へほぼ９０°回転させた開位置との間で回転自在であり、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続される光ファイバを保持する光ファイバ保持具（１６）が、前記パネルの回転中心近傍にて前記配線盤本体部に設けられ、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）が、各パネルの回転中心間に設けられた前記光ファイバ保持具によって保持されるようになっており、各パネルの回転中心間に、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）の余長が湾曲配線される空間であるジャンパ部（１Ｃ）が確保され、このジャンパ部に、前記光ファイバ保持具が設けられていることを特徴とする。
請求項２記載の発明は、請求項１記載の光配線盤において、前記光ファイバ保持具は、配線盤本体部に固定されたリング体であり、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）が、前記光ファイバ保持具の内側に落とし込むようにして前記ジャンパ部内に湾曲配線されることを特徴とする。
【０００６】
【発明の実施の形態】
以下、本発明の１実施の形態を説明する。
図１は、光配線盤１を示す図であって、（ａ）は正面図、（ｂ）は（ａ）の平面図、（ｃ）は（ｂ）のＡ−Ａ線断面矢視図、（ｄ）は（ａ）のＢ−Ｂ線断面矢視図である。図２は、図１（ａ）のＣ−Ｃ線断面矢視図（但し、図１（ａ）に比べて拡大している）である。
この光配線盤１は、二つの光配線盤１Ａ、１Ｂを横並びに近接配置した構成になっている。両光配線盤１Ａ、１Ｂの境界近傍には、両光配線盤１Ａ、１Ｂに渡すように配線される光ファイバ９を移動可能に収納するジャンパ部１Ｃが設けられている。
【０００７】
図１（ａ）〜（ｄ）および図２において、光配線盤１Ａ、１Ｂは、配線盤本体部１ａ、１ｂを構成するフレーム３と、このフレーム３の前面側（図１（ａ）中紙面手前、図１（ｂ）中下側、図１（ｄ）中左側、図２中下側）に回転により開閉自在に設けられた扉状のパネル２とを備えた構成であり、パネル２が設けられた前面側を同じ側に向けて近接配置されている。
【０００８】
図中符号４、５のケーブル固定部は、この光配線盤１に引き込まれる光ファイバケーブル６、７を固定するものであり、図１（ａ）、（ｃ）、（ｄ）では、光配線盤１の下部にてフレーム３に固定して設けられている。但し、これらケーブル固定部４、５の光配線盤１における設置位置は、図１（ａ）、（ｃ）、（ｄ）に例示したものに限定されず、例えば、光配線盤１の上部等であっても良い。
【０００９】
図１（ａ）、（ｃ）、（ｄ）および図２に示すように、光配線盤１Ｂでは、前記ケーブル固定部５に固定された光ファイバケーブル７端末から口出しされた光ファイバ１２（光ファイバ心線等）が、配線盤本体部１ａ内部の光ファイバ配線部２０を経由して、光配線盤１Ｂの前面側に設けられたパネル２に引き込まれ、該光ファイバ１２先端に設けられた光コネクタプラグ（図示略）によって、前記パネル２に設けられたコネクタ配列部１８の光コネクタアダプタ８に着脱自在にコネクタ接続される。
光配線盤１Ａの構成も、光配線盤１Ｂと同様であり、前記ケーブル固定部４に固定された光ファイバケーブル６端末から口出しされた光ファイバ１１（光ファイバ心線等）が、配線盤本体部１ａ内部の光ファイバ配線部２０（図示せず）を経由して光配線盤１Ａの前面側（図１（ａ）中紙面手前、図１（ｂ）中下側、図１（ｄ）中左側）に設けられたパネル２に引き込まれ、該光ファイバ１１先端に設けられた光コネクタプラグ１１ａ（図４参照）によって、前記パネル２に取り付けられた光コネクタアダプタ８に着脱自在にコネクタ接続される。
【００１０】
いずれの光配線盤１Ａ、１Ｂでも、光コネクタアダプタ８には、光配線盤１前面側から光ファイバが着脱自在にコネクタ接続可能であり、この光コネクタアダプタ８を介して、該光コネクタアダプタ８の両側から接続された光ファイバ同士が着脱自在に接続される。
【００１１】
なお、図１（ｄ）、図２、図４、図５中、符号２ｂは、パネル２の配線盤本体部１ａ、１ｂ側の面に取り付けられた光ファイバ受け台である。パネル２の配線盤本体部１ａ、１ｂに引き込まれた光ファイバ１１、１２は、前記光ファイバ受け台２ｂに配線され、そこから立ち上げるようにして目的の光コネクタアダプタ８にコネクタ接続される。
図中、符号２ｄはフレーム３に設けられた背面板、２ｅは光ファイバ配線部２０に引き込まれた光ファイバ１１、１２を固定するクランプ、２ｆは光ファイバ１１、１２を背面板２ｄに沿って引き留めるサポート部材、２ｇは光ファイバ受け台２ｂ、２ｃ上に配線された光ファイバ９、１１、１２を押えるファイバ押えである。
【００１２】
パネル２は、光コネクタアダプタ８が複数横並びに配列されてなるコネクタ配列部１８が上下に多段に設けられた構成になっている。コネクタ配列部１８の光コネクタアダプタ８は、配線盤本体部１ａ、１ｂ側から接続された光ファイバ１０（光ファイバ心線等）を、光配線盤本体部１ａ、１ｂに対する逆側である前面側から光コネクタアダプタ８にコネクタ接続される別の光ファイバに対してコネクタ接続可能に成端するようになっている。
【００１３】
本実施の形態では、光配線盤１前面側から光コネクタアダプタ８にコネクタ接続される光ファイバとして、ジャンパ部１Ｃを介して両光配線盤１Ａ、１Ｂ間に渡すようにして配線されるジャンパ接続用の光ファイバ９を採用している。この光ファイバ９の両端は、各光配線盤１Ａ、１Ｂのパネル２の前面側に引き込まれ、その先端に設けられた光コネクタプラグ９ａ（図３、図５参照）によって、それぞれ、光コネクタアダプタ８に対してコネクタ接続される。
光ファイバ９の両端を光コネクタアダプタ８に接続すると、光コネクタアダプタ８に接続されている光ファイバ１１、１２間が光ファイバ９を介して接続される。そして、光ファイバ９のいずれか一方または両方の端部を、各パネル２にそれぞれ複数設けられている光コネクタアダプタ８に対して切替接続することで、光ファイバ１１、１２間のジャンパ接続を行うことができる。パネル２前面側に引き込まれた光ファイバ９は、パネル２前面側に固定された樋状の光ファイバ受け台２ｂに配線され、この光ファイバ受け台２ｂから立ち上げるようにして、目的の光コネクタアダプタ８に接続される。
なお、光配線盤１前面側から光コネクタアダプタ８にコネクタ接続される光ファイバとしては、ジャンパ接続用の前記光ファイバ９に限定されず、例えば、別途、光配線盤１に引き込まれた光ファイバケーブルから口出しされた光ファイバ等であっても良い。
【００１４】
光コネクタアダプタ８としては、各種構成が採用可能であるが、単心に対応する光コネクタアダプタとしては、例えばＪＩＳ Ｃ ５９７３に制定されるＳＣ形光コネクタ（Single fiber Coupling optical fiber connector)用の光コネクタアダプタ等が採用される。
【００１５】
図３および図５に示すように、パネル２は、光配線盤１の前面側中央部に設けられた回転支持部１４、１５、詳細には配線盤本体部１ａ、１ｂからなる配線盤本体部１ｃ（図２御参照）の前面側中央部に設けられた回転支持部１４、１５によってほぼ鉛直の回転軸線を以って回転自在に支持されており、配線盤本体部１ａ、１ｂの前面側を塞ぐ閉位置（図２、図３の位置）と、配線盤本体部１ａ、１ｂ、１ｃに対してほぼ垂直の開位置（図４、図７の位置）との間で回転自在である。また、前記回転支持部１４、１５の設置位置は、各光配線盤１Ａ、１Ｂの前面側一側部であり、両光配線盤１Ａ、１Ｂを近接配置することで、光配線盤１Ａ、１Ｂ間の境界近傍にて近接配置されるようになっている。
【００１６】
ジャンパ部１Ｃは、各光配線盤１Ａ、１Ｂのパネル２、２の回転中心間の領域（空間）に、各パネル２に配線される光ファイバ９を保持する光ファイバ保持具１６を設置した構成になっている。各光配線盤１Ａ、１Ｂのパネル２、２間に渡すようにして配線された光ファイバ９は、前記光ファイバ保持具１６を利用してジャンパ部１Ｃにて湾曲配線することで余長が吸収される。
具体的には、前記光ファイバ保持具１６は、配線盤本体部１ｃに固定されたリング体であり、前記光ファイバ９は、前記光ファイバ保持具１６の内側に落とし込むようにして湾曲配線される。
【００１７】
前記光ファイバ保持具１６は、パネル２を回転しても移動しない。また、光ファイバ保持具１６は、回転支持部１４、１５の近傍、すなわちパネル２、２の回転中心の近傍に位置しているため、パネル２を回転しても、パネル２と光ファイバ保持具１６との間に配線された光ファイバ９は、全く移動しないかあるいは殆ど移動しないから、光ファイバ９の光特性に悪影響を与える心配は無い。さらに、両パネル２、２間に配線された多数本の光ファイバ９を複数の光ファイバ保持具１６によって整理して保持することで、パネル２の回転に起因する揺れや移動等によって光ファイバ９同士が絡み合う等の不都合を防止でき、整然と整理された配線状態を維持することができる。
一方、各パネル２の配線盤本体部１ａ、１ｂ側に配線される光ファイバ１１、１２も、回転支持部１４、１５の近傍、すなわちパネル２、２の回転中心の近傍にて、配線盤本体部１ａ、１ｂからパネル２に引き込まれているから、パネル２の回転によって光特性に悪影響を与える心配が無い。
【００１８】
この光配線盤１では、前面側からの光コネクタアダプタ８に対する光ファイバ９の接続や接続解除、切替接続は、図３等に示すように、パネル２を閉位置とすることで、効率良く行うことができる。
一方、図５あるいは図４、図６、図７に示すように、この光配線盤１では、パネル２を前面側に引き出すようにして回転させ開位置とすることで、パネル２の配線盤本体部１ａ、１ｂ側の面を露出できるので、光コネクタアダプタ８に対する光ファイバ１１、１２の接続、接続解除、切替接続等の作業を効率良く行うことができる。
【００１９】
このように、この光配線盤１では、前面側からの光コネクタアダプタ８に対する光ファイバ９の接続、接続解除、切替接続に加えて、パネル２の配線盤本体１ａ、１ｂ側からの光コネクタアダプタ８に対する光ファイバ１１、１２の接続、接続解除、切替接続をも、前面側にて行うことができる。したがって、この光配線盤１では、前面側のみに作業スペースを確保すれば良く、前記前面側に対向する背面側に作業スペースを確保する必要が無いから、設置スペースの大幅な省スペース化が可能である。また、例えば、局等の建物内への設置では、建物の壁等に背面板２ｄを近接配置することができるから、建物の床面積を有効に活用することが可能になる。
【００２０】
光ファイバ９と光ファイバ１１、１２との切替接続作業は、パネル２の両側、つまり、前面側と配線盤本体部側とで光ファイバ９と光ファイバ１１、１２とを対照させて行う必要がある。本発明に係る光配線盤１では、作業対象の目的のパネル２を開位置とすることで該パネル２の配線盤本体部１ｃ側が開放されるので、パネル２の両側での光ファイバ９、１１、１２の対照が容易であるから、接続や切替接続の作業能率を向上できる。
但し、図４に示すように、前記光配線盤１では、互いに近接された回転中心を以って回転自在に支持された一対のパネル２をそれぞれ開位置とすると、各パネル２の前面側同士が接近して、作業スペースを確保しにくくなるから、パネル２の前面側にて作業を行う場合には、一対のパネル２を同時には開位置とせず、図５に示すように、配線盤本体部１ａ、１ｂ側での作業を行う目的のパネル２のみ開位置とし、他のパネル２は閉位置に位置させることが好ましい。
【００２１】
配線盤本体部１ｃの前面側中央部にて互いに近接された回転中心を以って回転によって開閉自在に支持された一対のパネル２を備える光配線盤１では、各パネル２の開位置は、配線盤本体部１ｃの前面側中央部となるので、例えば、この光配線盤１の左右（図２、図６、図７中左右）両側に建物の壁や、別の光配線盤等障害物が存在しても、開位置としたパネル２の両側に充分な作業スペースを確保できる。例えば、建物内への設置では、この光配線盤１を部屋の角部に設置しても、開位置とパネル２の両側に作業スペースを充分に確保できるから、設置場所の自由度が向上する。
なお、配線盤本体部１ｃの左右（図２、図６、図７中左右）に設定された回転中心を以って回転によって開閉されるパネルでは、光配線盤前面側に引き出すようにして開放すると、結局、開放されたパネルに対する作業スペース（特にパネルの前面側での作業のための作業スペース）を、配線盤本体部１ｃの前面側のみならず、側部にも確保する必要がある。
【００２２】
光ファイバ１１、１２間の切替接続（ジャンパ接続）は、図３に示すように、両パネル２を閉位置にした状態で行うことが可能であるが、図５に示すように、一方のパネル２を閉位置、他方のパネル２を開位置とすることで、より効率良く行うことができる。すなわち、図５の状態では、パネル２同士が接近するため、各パネル２の光コネクタアダプタ８同士の対照が容易になるから、パネル２に多数の光コネクタアダプタ８が高密度に実装されている場合でも、間違うこと無く、短時間で、作業を効率良く行うことができる。
【００２３】
光ファイバ１１、１２も、光コネクタアダプタ８に対して切替接続可能であるから、これによっても、接続する光ファイバ１１、１２の組を切り替えることが可能である。この場合も、図５の状態とすることで、開位置にあるパネル２の光ファイバ１２の光コネクタアダプタ８に対する切替接続を、このパネル２の光コネクタアダプタ８に前面側から接続されている光ファイバや、閉位置にあるパネル２側の光コネクタアダプタ８（光ファイバ１１）と対照しつつ進めることが容易になることから、短時間で効率良く作業を進めることができる。
【００２４】
なお、本発明は、前記実施の形態に限定されず、各種変更が可能である。
例えば、本発明の適用対象の光配線盤としては、図１（ａ）から（ｄ）〜図７に例示したものに限定されず、各種構成が採用可能である。つまり、適用対象の光配線盤としては、光ファイバをコネクタ接続可能に成端する光コネクタが複数横並びに配列されるコネクタ配列部を備えるものであれば良く、例えば、前記実施の形態記載の光配線盤単位で構成されるもの等であっても良い。
この光配線盤に設けられる光コネクタアダプタとは、光ファイバ同士のコネクタ接続を可能にするものを指し、各種構成が採用可能である。
単心に対応するものでは、例えば、ＪＩＳ Ｃ ５９７３に制定されるＳＣ形光コネクタ（Single fiber Coupling optical fiber connector)用のいわゆる光コネクタアダプタや光コネクタレセプタクル等のように、両側から挿入される光コネクタフェルールを突き合わせ接続可能に位置決めする内部スリーブを内蔵するもの等が採用される。また、多心に対応するものとしては、例えば、ＪＩＳ Ｃ ５９８１に制定されるＭＴ形光コネクタ（ＭＴ：Mechanically Transferable)同士が内部でピン結合方式により位置決めされて突き合わせ接続される構成のハウジングを備えるもの等が採用される。また、ＪＩＳ Ｃ ５９８３に制定されるＭＵ形光コネクタ(Miniature-Unit coupling optical fiber connector)用の接続用ハウジング等も採用可能である。
【００２５】
【発明の効果】
以上説明したように、本発明の光配線盤によれば、配線盤本体部に対して回転によって開閉自在の扉状のパネルに光コネクタアダプタが取り付けられており、このパネルを開くことにより、該パネルの前記配線盤本体部とは逆側である前面側のみならず、前記配線盤本体部側でも、前記光コネクタアダプタに対する光ファイバのコネクタ接続が可能となるから、パネルの開かれる側のみに作業スペースを確保することで、パネルの前面側での光コネクタアダプタに対する光ファイバの接続作業のみならず、開いたパネルの配線盤本体部側の面での作業をも行うことができる。これにより、結局、この光配線盤の設置スペースを省スペース化することができる。また、パネルを開くことで、パネルの両側の光ファイバを対照しつつ接続や切替等の作業を進めることが容易になり、作業性を向上できるといった優れた効果を奏する。
【００２６】
また、本発明の光配線盤によれば、前記パネルの外側から該パネルの前記配線盤本体部側あるいは前記前面側に配線されて前記光コネクタアダプタに接続される光ファイバを保持する光ファイバ保持具が、前記パネルの回転中心近傍にて前記配線盤本体部に設けられているから、パネルの回転が、外側からパネルに配線される光ファイバの光特性に影響を与えることを防止できるといった優れた効果を奏する。
【００２７】
また、本発明の光配線盤によれば、互いに平行な回転中心を以って回転自在の一対の前記パネルを備え、両パネル間に渡すようにして配線される光ファイバが、各パネルの回転中心間に設けられた前記光ファイバ保持具によって保持されるようになっているから、両パネルを回転しても、両パネル間に渡すようにして配線された光ファイバが安定に保持されることとなり、この光ファイバの光特性を安定に維持できるといった優れた効果を奏する。
【図面の簡単な説明】
【図１】 本発明の１実施の形態の光配線盤を示す図であって、（ａ）は正面図、（ｂ）は（ａ）の平面図、（ｃ）は（ｂ）のＡ−Ａ線断面矢視図、（ｄ）は（ａ）のＢ−Ｂ線断面矢視図である。
【図２】 図１（ａ）の光配線盤のＣ−Ｃ線断面矢視図である。
【図３】 図１の光配線盤を示す斜視図であり、一対のパネルがそれぞれ閉位置にある状態を示す。
【図４】 図１の光配線盤を示す斜視図であり、一対のパネルがそれぞれ開位置にある状態を示す。
【図５】 図１の光配線盤を示す斜視図であり、一対のパネルのうちの一方が閉位置、他方が開位置にある状態を示す。
【図６】 図１の光配線盤を示す平断面図であり、１対のパネルがそれぞれ閉位置と開位置との中間位置にある状態を示す。
【図７】 図１の光配線盤を示す平断面図であり、一対のパネルがそれぞれ開位置にある状態を示す。
【符号の説明】
１…光配線盤、１Ａ，１Ｂ…光配線盤、１ａ，１ｂ，１ｃ…配線盤本体部、２…パネル、８…光コネクタアダプタ、９，１１，１２…光ファイバ、１６…光ファイバ保持具。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an optical wiring board.
[0002]
[Prior art]
Conventionally, as an optical distribution board, optical fibers drawn into the frame from the front side and the back side of the frame are connected to each other via an optical connector adapter fixed to the frame in a plurality of arrays. Many things are provided. The connection of the optical fiber to the optical connector adapter is made detachable by an optical connector plug provided at the tip of the optical fiber, thereby enabling switching connection (jumper connection) between the optical fibers. Is.
[0003]
[Problems to be solved by the invention]
However, in the optical wiring board as described above, it is necessary to perform work such as optical fiber connection to the optical connector adapter not only on the front side but also on the back side. is there. For this reason, for example, it was not possible to install it with the back face close to a wall of a building or the like, and eventually it was necessary to secure a relatively large installation space for installation of the optical wiring board. In addition, when optical fibers are connected via an optical connector adapter, work is performed while comparing the optical fibers that are connected by reciprocating both the front side and the back side. It was. In particular, in an optical distribution board on which a large number of optical connector adapters are mounted at a high density, the number of connection operations becomes enormous. There was dissatisfaction that decrease of became remarkable. Note that the problem of workability is not limited to the connection work, and similarly occurs in work such as connection release and switching connection.
[0004]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide an optical wiring board capable of realizing a space-saving installation space and improvement in workability such as connection between optical fibers and switching connection. .
[0005]
[Means for Solving the Problems]
The optical wiring board according to claim 1 is configured to provide light to a pair of door-like panels (2) that open and close by rotating around a rotation center parallel to the wiring board body (1a, 1b, 1c). An optical fiber (11, 12) to which a connector adapter (8) is attached and connected to the optical connector adapter from the wiring board body portion side of the panel, and the opposite side of the panel to the wiring board body portion. An optical fiber (9) connected to the optical connector adapter from the front side is connected via the optical connector adapter, and a rotation support portion (14, 15) that forms the rotation center of each panel. Are arranged side by side in the center on the front side of the wiring board main body, and each panel closes to the front side of the wiring board main body, and approximately 90 from the closed position to the front side of the wiring board main body. ° Is rotatable between were translocation open position, from the outside of the panel optical fiber holder for holding an optical fiber connected to the optical connector adapter is wired to the panel (16), said panel An optical fiber (9) provided in the wiring board main body near the center of rotation , wired to the panel from the outside of the panel, connected to the optical connector adapter and wired between the panels, It is held by the optical fiber holder provided between the rotation centers of each panel, and is wired to the panel from the outside of the panel and connected to the optical connector adapter between the rotation centers of each panel. A jumper portion (1C), which is a space in which the extra length of the optical fiber (9) wired so as to pass between both panels is curved, is secured. A fiber holder is provided .
According to a second aspect of the present invention, in the optical wiring board according to the first aspect, the optical fiber holder is a ring body fixed to the wiring board main body, and is wired to the panel from the outside of the panel. An optical fiber (9) connected to the optical connector adapter and routed between both panels is curvedly routed in the jumper portion so as to drop inside the optical fiber holder .
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described.
1A and 1B are diagrams showing an optical wiring board 1, wherein FIG. 1A is a front view, FIG. 1B is a plan view of FIG. 1A, and FIG. 1C is a cross-sectional view taken along line AA in FIG. (D) is the BB sectional view taken on the line of (a). 2 is a cross-sectional view taken along the line CC of FIG. 1A (however, it is enlarged as compared with FIG. 1A).
This optical wiring board 1 has a configuration in which two optical wiring boards 1A and 1B are arranged side by side and close to each other. In the vicinity of the boundary between both optical wiring boards 1A and 1B, a jumper portion 1C for movably storing an optical fiber 9 wired to pass to both optical wiring boards 1A and 1B is provided.
[0007]
1 (a) to 1 (d) and FIG. 2, an optical wiring board 1A, 1B includes a frame 3 constituting the wiring board main body 1a, 1b and the front side of the frame 3 (the middle paper surface in FIG. 1 (a)). 1 (b), the lower side in FIG. 1 (d), the lower side in FIG. 2), and a door-like panel 2 that can be opened and closed by rotation. The provided front side is disposed close to the same side.
[0008]
The cable fixing portions 4 and 5 in the figure fix the optical fiber cables 6 and 7 drawn into the optical wiring board 1, and in FIGS. 1 (a), (c) and (d), the optical wiring is provided. Fixed to the frame 3 at the bottom of the panel 1. However, the installation positions of the cable fixing portions 4 and 5 in the optical wiring board 1 are not limited to those illustrated in FIGS. 1A, 1C, and 1D. It may be.
[0009]
As shown in FIGS. 1 (a), 1 (c), (d) and FIG. 2, in the optical distribution board 1B, an optical fiber 12 (optical fiber) led from an end of an optical fiber cable 7 fixed to the cable fixing portion 5 is used. A fiber core wire or the like is drawn into the panel 2 provided on the front side of the optical wiring board 1B via the optical fiber wiring part 20 inside the wiring board main body 1a, and provided at the tip of the optical fiber 12. An optical connector plug (not shown) is detachably connected to the optical connector adapter 8 of the connector array 18 provided on the panel 2.
The configuration of the optical wiring board 1A is the same as that of the optical wiring board 1B, and the optical fiber 11 (optical fiber core wire or the like) led out from the end of the optical fiber cable 6 fixed to the cable fixing portion 4 is connected to the wiring board main body. 1a through the optical fiber wiring section 20 (not shown) inside the section 1a (front side of the paper in FIG. 1 (a), in front of the middle of FIG. 1 (b), in FIG. 1 (b), in FIG. 1 (d)). The optical connector plug 11a (see FIG. 4) provided at the tip of the optical fiber 11 is detachably connected to the optical connector adapter 8 attached to the panel 2 by being drawn into the panel 2 provided on the left side). The
[0010]
In any of the optical wiring boards 1A and 1B, an optical fiber can be detachably connected to the optical connector adapter 8 from the front side of the optical wiring board 1, and the optical connector adapter 8 can be connected via the optical connector adapter 8. The optical fibers connected from both sides are detachably connected.
[0011]
In FIG. 1 (d), FIG. 2, FIG. 4, and FIG. 5, reference numeral 2b denotes an optical fiber cradle attached to the surface of the panel 2 on the wiring board main body 1a, 1b side. The optical fibers 11 and 12 drawn into the wiring board main body portions 1a and 1b of the panel 2 are wired to the optical fiber cradle 2b and connected to the target optical connector adapter 8 so as to rise from there.
In the drawing, reference numeral 2d denotes a back plate provided on the frame 3, 2e denotes a clamp for fixing the optical fibers 11 and 12 drawn into the optical fiber wiring section 20, and 2f denotes the optical fibers 11 and 12 along the back plate 2d. The support member 2g to be fastened is a fiber presser that holds the optical fibers 9, 11, and 12 wired on the optical fiber cradles 2b and 2c.
[0012]
The panel 2 has a configuration in which a plurality of optical connector adapters 8 arranged side by side are provided in multiple stages in the vertical direction. The optical connector adapter 8 of the connector array unit 18 is configured such that the optical fiber 10 (optical fiber core wire or the like) connected from the side of the wiring board main body 1a, 1b is the front side that is opposite to the optical wiring board main body 1a, 1b. The optical connector adapter 8 is terminated so that the connector can be connected to another optical fiber connected to the optical connector adapter 8.
[0013]
In the present embodiment, as an optical fiber to be connected to the optical connector adapter 8 from the front side of the optical wiring board 1, a jumper connection wired so as to pass between the optical wiring boards 1A and 1B via the jumper portion 1C. The optical fiber 9 is used. Both ends of the optical fiber 9 are drawn into the front side of the panel 2 of each optical wiring board 1A, 1B, and an optical connector adapter 9a (see FIGS. 3 and 5) provided at the tip of each optical connector adapter respectively. 8 is connected to the connector.
When both ends of the optical fiber 9 are connected to the optical connector adapter 8, the optical fibers 11 and 12 connected to the optical connector adapter 8 are connected via the optical fiber 9. Then, one or both ends of the optical fiber 9 are switched and connected to a plurality of optical connector adapters 8 provided on each panel 2, thereby performing jumper connection between the optical fibers 11 and 12. be able to. The optical fiber 9 drawn into the front side of the panel 2 is wired to a bowl-shaped optical fiber pedestal 2b fixed to the front side of the panel 2, and is raised from the optical fiber pedestal 2b so as to be a target optical connector. Connected to the adapter 8.
The optical fiber connected to the optical connector adapter 8 from the front surface side of the optical wiring board 1 is not limited to the optical fiber 9 for jumper connection. For example, an optical fiber drawn into the optical wiring board 1 separately. An optical fiber or the like led from a cable may be used.
[0014]
As the optical connector adapter 8, various configurations can be adopted. As an optical connector adapter corresponding to a single core, for example, an optical fiber for SC type optical connector (Single fiber Coupling optical fiber connector) established in JIS C 5973 is used. Connector adapter etc. are adopted.
[0015]
As shown in FIGS. 3 and 5, the panel 2 includes a rotation support portion 14, 15 provided in the center on the front side of the optical distribution board 1, and more specifically, a distribution board main body portion including the distribution board main body portions 1 a, 1 b. 1c (refer to FIG. 2) is rotatably supported by rotation support portions 14 and 15 provided in the central portion on the front side of the front side with a substantially vertical rotation axis, and the front side of the wiring board main body portions 1a and 1b. Can be rotated between a closed position (the position shown in FIGS. 2 and 3) and an open position (a position shown in FIGS. 4 and 7) substantially perpendicular to the wiring board main body portions 1a, 1b and 1c. Further, the installation positions of the rotation support portions 14 and 15 are on one side of the front surface side of each of the optical wiring boards 1A and 1B, and the optical wiring boards 1A and 1B are disposed by arranging both optical wiring boards 1A and 1B close to each other. They are arranged close to each other in the vicinity of the boundary between them.
[0016]
The jumper portion 1C is configured by installing an optical fiber holder 16 for holding the optical fiber 9 wired to each panel 2 in a region (space) between the rotation centers of the panels 2 and 2 of each optical wiring board 1A, 1B. It has become. The optical fiber 9 wired so as to pass between the panels 2 and 2 of each of the optical wiring boards 1A and 1B absorbs the extra length by bending the jumper portion 1C using the optical fiber holder 16. Is done.
Specifically, the optical fiber holder 16 is a ring body fixed to the distribution board main body 1c, and the optical fiber 9 is curved and wired so as to drop inside the optical fiber holder 16. .
[0017]
The optical fiber holder 16 does not move even when the panel 2 is rotated. Further, since the optical fiber holder 16 is located in the vicinity of the rotation support portions 14 and 15, that is, in the vicinity of the rotation center of the panels 2 and 2, even if the panel 2 is rotated, the panel 2 and the optical fiber holder Since the optical fiber 9 wired between the optical fiber 9 and the optical fiber 9 does not move at all or hardly moves, there is no fear of adversely affecting the optical characteristics of the optical fiber 9. Furthermore, by arranging and holding a large number of optical fibers 9 wired between the panels 2 and 2 by a plurality of optical fiber holders 16, the optical fibers 9 can be moved by shaking or movement caused by the rotation of the panel 2. Inconveniences such as intertwining can be prevented, and an organized wiring state can be maintained.
On the other hand, the optical fibers 11 and 12 wired on the side of the wiring board body 1a and 1b of each panel 2 are also in the vicinity of the rotation support parts 14 and 15, that is, in the vicinity of the center of rotation of the panels 2 and 2. Since it is drawn into the panel 2 from the parts 1a and 1b, there is no fear that the rotation of the panel 2 will adversely affect the optical characteristics.
[0018]
In this optical wiring board 1, the connection, release, and switching connection of the optical fiber 9 with respect to the optical connector adapter 8 from the front side are efficiently performed by setting the panel 2 in the closed position as shown in FIG. be able to.
On the other hand, as shown in FIG. 5 or FIG. 4, FIG. 6, FIG. 7, in this optical wiring board 1, the panel 2 is rotated so as to be pulled out to the front side to be in the open position. Since the surfaces on the side of the portions 1a and 1b can be exposed, operations such as connection, disconnection, and switching connection of the optical fibers 11 and 12 to the optical connector adapter 8 can be performed efficiently.
[0019]
As described above, in the optical wiring board 1, in addition to the connection, disconnection, and switching connection of the optical fiber 9 to the optical connector adapter 8 from the front side, the optical connector adapter from the wiring board body 1a, 1b side of the panel 2 is used. Connection, release, and switching of the optical fibers 11 and 12 to 8 can also be performed on the front side. Therefore, in this optical distribution board 1, it is only necessary to secure a work space on the front side, and it is not necessary to secure a work space on the back side opposite to the front side, so that the installation space can be greatly reduced. It is. Further, for example, in installation in a building such as a station, the back plate 2d can be disposed close to the wall of the building, so that the floor area of the building can be used effectively.
[0020]
The switching connection work between the optical fiber 9 and the optical fibers 11 and 12 must be performed by comparing the optical fiber 9 and the optical fibers 11 and 12 on both sides of the panel 2, that is, the front side and the wiring board body side. is there. In the optical wiring board 1 according to the present invention, the panel 2 of the panel 2 is opened by setting the target panel 2 to be operated to the open position, so that the optical fibers 9 and 11 on both sides of the panel 2 are opened. , 12 can be easily compared, so that work efficiency of connection and switching connection can be improved.
However, as shown in FIG. 4, in the optical wiring board 1, when the pair of panels 2 that are rotatably supported by the rotation centers close to each other are set to the open positions, the front sides of the panels 2 are connected to each other. When the work is performed on the front side of the panel 2, the pair of panels 2 are not simultaneously set in the open position, as shown in FIG. It is preferable that only the panel 2 for the purpose of performing work on the parts 1a and 1b side is in the open position, and the other panels 2 are in the closed position.
[0021]
In the optical wiring board 1 including a pair of panels 2 that are supported so as to be openable and closable by rotation with rotation centers that are close to each other at the center on the front side of the wiring board body 1c, the open position of each panel 2 is: Since it becomes the center part on the front side of the wiring board body 1c, for example, obstacles such as building walls and other optical wiring boards on both sides of the optical wiring board 1 (left and right in FIGS. 2, 6, and 7). Even if there is, a sufficient working space can be secured on both sides of the panel 2 in the open position. For example, in installation in a building, even if the optical wiring board 1 is installed at a corner of a room, work spaces can be sufficiently secured on the open position and on both sides of the panel 2, so the degree of freedom in installation location is improved. .
It should be noted that the panel that is opened and closed by rotation with the rotation center set on the left and right of the wiring board body 1c (left and right in FIGS. 2, 6, and 7) is opened so as to be pulled out to the front side of the optical wiring board. As a result, it is necessary to secure a work space for the opened panel (especially a work space for work on the front side of the panel) not only on the front side of the wiring board main body 1c but also on the side.
[0022]
The switching connection (jumper connection) between the optical fibers 11 and 12 can be performed with both panels 2 in the closed position as shown in FIG. 3, but as shown in FIG. By setting 2 to the closed position and the other panel 2 to the open position, it can be performed more efficiently. That is, in the state of FIG. 5, since the panels 2 are close to each other, the optical connector adapters 8 of each panel 2 can be easily compared with each other. Therefore, a large number of optical connector adapters 8 are mounted on the panel 2 with high density. Even in this case, the work can be efficiently performed in a short time without making a mistake.
[0023]
Since the optical fibers 11 and 12 can also be switched and connected to the optical connector adapter 8, the set of the optical fibers 11 and 12 to be connected can also be switched by this. Also in this case, by switching to the optical connector adapter 8 of the optical fiber 12 of the panel 2 in the open position with respect to the optical connector adapter 8 by setting the state of FIG. Since it becomes easy to proceed while comparing with the fiber and the optical connector adapter 8 (optical fiber 11) on the panel 2 side in the closed position, the work can be efficiently performed in a short time.
[0024]
In addition, this invention is not limited to the said embodiment, A various change is possible.
For example, the optical wiring board to which the present invention is applied is not limited to those illustrated in FIGS. 1A to 1D to 7, and various configurations can be employed. That is, as an optical distribution board to be applied, it is sufficient if it has a connector arrangement portion in which a plurality of optical connectors that can be connected to an optical fiber are connected side by side. What is comprised by the wiring board unit etc. may be sufficient.
The optical connector adapter provided on the optical wiring board refers to an optical connector adapter that enables connector connection between optical fibers, and various configurations can be adopted.
For the one corresponding to a single core, for example, light inserted from both sides such as a so-called optical connector adapter or optical connector receptacle for SC type optical connector (Single fiber Coupling optical fiber connector) established in JIS C 5973 An internal sleeve that positions the connector ferrule so as to be able to butt and connect is used. Further, as a multi-core connector, for example, a MT-type optical connector (MT: Mechanically Transferable) established in JIS C 5981 is provided with a housing that is positioned and butt-connected by a pin coupling method. Things are adopted. Further, a connection housing for a MU type optical connector (Miniature-Unit coupling optical fiber connector) established in JIS C 5983 can be adopted.
[0025]
【The invention's effect】
As described above, according to the optical wiring board of the present invention, the optical connector adapter is attached to a door-like panel that can be opened and closed by rotation with respect to the wiring board main body. Since the optical fiber connector can be connected to the optical connector adapter not only on the front side of the panel opposite to the front side of the wiring board but also on the side of the wiring board, only on the side where the panel is opened. By securing the work space, not only the operation of connecting the optical fiber to the optical connector adapter on the front side of the panel, but also the operation on the surface of the opened panel on the side of the wiring board main body can be performed. As a result, the installation space for the optical wiring board can be saved. Further, by opening the panel, it becomes easy to proceed with operations such as connection and switching while comparing the optical fibers on both sides of the panel, and it is possible to improve the workability.
[0026]
Also, according to the optical wiring board of the present invention , the optical fiber holder that holds the optical fiber that is wired from the outside of the panel to the wiring board main body side or the front surface side of the panel and connected to the optical connector adapter. Since the tool is provided in the wiring board body near the rotation center of the panel, it is possible to prevent the rotation of the panel from affecting the optical characteristics of the optical fiber wired to the panel from the outside. Has an effect.
[0027]
In addition, according to the optical wiring board of the present invention, the optical fiber provided with the pair of panels that are rotatable with the rotation centers parallel to each other and wired so as to pass between the two panels is rotated by each panel. Since it is held by the optical fiber holder provided between the centers, even if both panels are rotated, the optical fiber wired so as to pass between both panels can be stably held. As a result, the optical characteristics of the optical fiber can be stably maintained.
[Brief description of the drawings]
1A and 1B are diagrams showing an optical wiring board according to an embodiment of the present invention, in which FIG. 1A is a front view, FIG. 1B is a plan view of FIG. 1A, and FIG. A sectional view taken along line A, (d) is a sectional view taken along line BB in (a).
FIG. 2 is a cross-sectional view taken along the line CC of the optical wiring board in FIG.
3 is a perspective view showing the optical wiring board of FIG. 1, showing a state in which a pair of panels are in a closed position, respectively.
4 is a perspective view showing the optical wiring board of FIG. 1, showing a state in which a pair of panels are respectively in an open position. FIG.
5 is a perspective view showing the optical wiring board of FIG. 1, showing a state in which one of a pair of panels is in a closed position and the other is in an open position. FIG.
6 is a cross-sectional plan view of the optical wiring board of FIG. 1, showing a state in which a pair of panels are in an intermediate position between a closed position and an open position, respectively.
7 is a plan sectional view showing the optical wiring board of FIG. 1, showing a state in which a pair of panels are respectively in an open position.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Optical wiring board, 1A, 1B ... Optical wiring board, 1a, 1b, 1c ... Wiring board main-body part, 2 ... Panel, 8 ... Optical connector adapter, 9, 11, 12 ... Optical fiber, 16 ... Optical fiber holder .

Claims (2)

配線盤本体部（１ａ、１ｂ、１ｃ）に対して互いに平行な回転中心を以って回転することによって開閉する一対の扉状のパネル（２）に光コネクタアダプタ（８）が取り付けられ、前記パネルの前記配線盤本体部側から前記光コネクタアダプタにコネクタ接続された光ファイバ（１１、１２）と、前記パネルの前記配線盤本体部に対する逆側である前面側から前記光コネクタアダプタにコネクタ接続された光ファイバ（９）とが前記光コネクタアダプタを介して接続されるようになっており、
各パネルの回転中心をなす回転支持部（１４、１５）が、配線盤本体部の前面側中央部に、横並びに配置され、各パネルは、前記配線盤本体部の前面側を塞ぐ閉位置と、この閉位置から配線盤本体部の前面側へほぼ９０°回転させた開位置との間で回転自在であり、
前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続される光ファイバを保持する光ファイバ保持具（１６）が、前記パネルの回転中心近傍にて前記配線盤本体部に設けられ、
前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）が、各パネルの回転中心間に設けられた前記光ファイバ保持具によって保持されるようになっており、
各パネルの回転中心間に、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）の余長が湾曲配線される空間であるジャンパ部（１Ｃ）が確保され、このジャンパ部に、前記光ファイバ保持具が設けられていることを特徴とする光配線盤（１、１Ａ、１Ｂ）。An optical connector adapter (8) is attached to a pair of door-like panels (2) that opens and closes by rotating with rotation centers parallel to each other with respect to the wiring board body (1a, 1b, 1c), An optical fiber (11, 12) connected to the optical connector adapter from the wiring board body portion side of the panel, and a connector connection to the optical connector adapter from the front side opposite to the wiring board body portion of the panel The optical fiber (9) is connected via the optical connector adapter ,
Rotation support portions (14, 15) that form the rotation center of each panel are arranged side by side at the front side central portion of the wiring board body, and each panel has a closed position that closes the front side of the wiring board body. It is rotatable between this closed position and the open position rotated by approximately 90 ° to the front side of the wiring board main body,
An optical fiber holder (16) for holding an optical fiber that is wired to the panel from the outside of the panel and connected to the optical connector adapter is provided in the wiring board body near the center of rotation of the panel ,
An optical fiber (9) wired from the outside of the panel to the panel, connected to the optical connector adapter and routed between both panels, is provided with the optical fiber holding provided between the rotation centers of the panels. It is designed to be held by tools ,
Between the rotation centers of the panels, the extra length of the optical fiber (9) wired to the panel from the outside of the panel, connected to the optical connector adapter and routed between the panels is curved and wired. An optical wiring board (1, 1A, 1B) characterized in that a jumper portion (1C) which is a space is secured, and the optical fiber holder is provided in the jumper portion . 前記光ファイバ保持具は、配線盤本体部に固定されたリング体であり、前記パネルの外側から該パネルに配線されて前記光コネクタアダプタに接続され両パネル間に渡すようにして配線される光ファイバ（９）が、前記光ファイバ保持具の内側に落とし込むようにして前記ジャンパ部内に湾曲配線されることを特徴とする請求項１記載の光配線盤。The optical fiber holder is a ring body fixed to the main body of the wiring board, and is wired from the outside of the panel to the panel, connected to the optical connector adapter and wired between the panels. The optical wiring board according to claim 1, wherein the fiber (9) is curvedly wired in the jumper portion so as to drop inside the optical fiber holder.
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