JP3833638B2 - Light junction box - Google Patents

Light junction box Download PDF

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JP3833638B2
JP3833638B2 JP2003287900A JP2003287900A JP3833638B2 JP 3833638 B2 JP3833638 B2 JP 3833638B2 JP 2003287900 A JP2003287900 A JP 2003287900A JP 2003287900 A JP2003287900 A JP 2003287900A JP 3833638 B2 JP3833638 B2 JP 3833638B2
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optical
code
movable tray
connector
tray
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JP2005055748A (en
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栄輔 沖
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日本通信電材株式会社
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本発明は、収納ラック本体に複数の引き出し可能な可動式トレイを備えると共に、各可動式トレイに光コードが接続される融着ユニットやコネクタモジュール等の光通信用機器が設置される光接続箱に関する。 The present invention is provided with a plurality of drawable movable tray rack body, a light junction box for optical communication devices such as fusion unit and a connector module which light code to each movable tray is connected is placed on.

光通信の基地局等において、例えば、加入者に接続される外部光ケーブルと局内の光通信用機器との接続構造として、EIA規格、JIS規格等に準拠して取り付け穴等が装備された収納ラック本体に、該ラック本体の前面側に引き出し可能な複数の可動式トレイを備え、各可動式トレイに光コードが接続される融着ユニットやコネクタモジュール等の光通信用機器を設置した光接続箱が提案されている。 In optical communication, such as a base station, for example, the external optical cable and a connecting structure between an optical communication equipment station, EIA standard, rack mounting holes or the like equipped in conformity with JIS or the like connected to the subscriber the body comprising a plurality of movable trays can be pulled out to the front side of the rack body, a light junction box installed equipment for optical communication, such as a fusion unit and a connector module which optical cord is connected to the movable tray There has been proposed.

従来のこの種の光接続箱は、外部から収納ラック本体内に引き込む光ケーブルの導出入口を収納ラック本体の背面寄り位置に設定する一方、各可動式トレイ上に導出入される光コードの出入り口を収納ラック本体の前面寄りの側面部に設定し、光通信用機器を各可動式トレイのスライド前後方向の中間部に設置したものが多い。 Conventional optical connection box of this type, while setting the derived inlet of the optical cable that draws from the outside to the storage rack in the main body to the rear position near the rack body, the doorway of the optical cord which are electrically and out on each movable tray set on the side surface of the front side of the rack body, the many those disposed to the intermediate portion of the slide longitudinal direction of the movable tray device for optical communication.

しかし、このような構造では、例えば可動式トレイ上に導入する外部からの光ケーブルの余長収容スペースを可動式トレイの後部側に確保する一方、光通信用機器を経由して可動式トレイ上に導出入される光コードの余長収容スペースを可動式トレイの前部側に確保しなければならず、光通信用機器を挟んで可動式トレイの前後の領域に余長収容スペースを確保しなければならない関係で、可動式トレイの奥行き寸法の増大、しいては収納ラック本体の奥行き寸法の増大等を招き、光接続箱が大型化するという問題があった。 However, in such a structure, for example, the extra length accommodation space of the optical cable from the outside to be introduced onto the movable tray while secured to the rear side of the movable tray, via a device for optical communication on the movable tray extra length accommodation space optical code guide and out a must be secured to the front side of the movable tray, necessary to secure the extra length accommodation space around the area of ​​the movable tray across the device for optical communication shall in relation, increase in depth of the movable tray, by force leads to increased like the depth of the storage rack body, the optical connection box is disadvantageously large.

そこで、図8に示すように、矢印(イ)に示すように収納ラック本体1の前面側に引き出し可能な可動式トレイ3には、引き出し方向に直交する幅方向の略中央部に光コードや光ケーブルを接続する光通信用機器5を設置すると共に、光通信用機器5の両側部に配線用エリア7,8を確保する。 Therefore, as shown in FIG. 8, the movable tray 3 can be pulled out to the front side of the rack body 1 as indicated by an arrow (b), the optical code Ya in a substantially central portion in the width direction perpendicular to the drawing direction with installing the optical communication equipment 5 connecting an optical cable, to secure the wiring area 7,8 on both sides of the optical communication device 5. そして、光通信用機器5に接続される複数本の光コードや光ケーブルは、可動式トレイ3の引き出し操作を可能にするケーブル余長部を、可撓性のケーブルガイド11に挿通することで1本のケーブル束に仕上げた状態にして、左右の配線用エリア7,8に配置する構造が提案されている(例えば、特許文献1参照)。 A plurality of optical code or an optical cable connected to the optical communication equipment 5, 1 cable excess length portion that allows the extraction operation of the movable tray 3, by inserting the flexible cable guide 11 in the state in which the finished cable bundle of this, structures disposed on the left and right of the wiring areas 7 and 8 have been proposed (e.g., see Patent Document 1).

特開2000−232273号公報 JP 2000-232273 JP

なお、図示例の場合、光通信用機器5は、複数本の光コード13,14相互を光コネクタで接続するコネクタモジュールである。 Incidentally, in the illustrated example, optical communication equipment 5 is a connector module for connecting the optical cord 13 mutually a plurality of the optical connector.
また、図中の右側の配線用エリア7を通って光通信用機器5に接続される各光コード13は出線用の光コードで、図中の左側の配線用エリア7を通って光通信用機器5に接続される各光コード14は入線用の光コードである。 In the optical code for each optical code 13 is output lines connected to optical communication equipment 5 through the right wiring area 7 in FIG, optical communication through the wiring area 7 on the left side in FIG. each optical cord is connected to the use device 5 14 is an optical code for incoming lines.

上記公報による構成の場合、収納ラック本体1上の光コードの出入り口17,18は、何れも、収納ラック本体1の側面の中間部に設定されている。 In the configuration according to the publication, the entrance 17 of the optical code on the rack body 1 are both set in the middle portion of the side surface of the rack body 1.
また、光通信用機器5の各光コネクタから光コードの出入り口17,18までの離間距離が各光コネクタ毎に相異するため、光コネクタ毎に接続する光コード13,14の長さを変更している。 Further, since the distance from the optical connector of the optical communication equipment 5 to entrance 17 of the optical code is different from each optical connector, changing the length of the optical code 13, 14 to be connected to each optical connector doing. そして、各光コード13,14の余長は、各配線用エリア7,8に装備した余長ホルダー15に巻き着けることで吸収して、光コード相互の交差や絡み合いが防止されている。 The excess length of each optical code 13 and 14, and absorbed by winding the extra length holder 15 equipped in the wiring area 7,8, optical cord mutual intersection and entanglement are prevented.

以上のように、可動式トレイ3の左右に配線用エリア7,8を設けた構成は、入線用及び出線用の配線用エリアを可動式トレイの前後領域に分けて個別に装備した従来構造と比較すると、可動式トレイや収納ラック本体の奥行き寸法を短縮することができ、その分、光接続箱の小型化が可能になる。 As described above, the configuration in the left and right movable tray 3 is provided for wiring area 7 and 8, a conventional equipped individually divided wiring area for incoming and for outgoing line before and after the region of the movable tray structure compared to, it is possible to shorten the depth of the movable tray or rack body, correspondingly, it is possible to miniaturize the optical connection box.

ところが、光コードの余長をケーブルガイド11に収容する構成では、ケーブルガイド11自体が嵩張って、配線用エリアを圧迫するという問題があり、更に、ケーブルガイド11の曲げ剛性の分だけコード束の曲げ剛性が増大して、可動式トレイ3の出し入れに大きな操作力が必要となる虞もあった。 However, the extra length of the optical code configured to accommodate the cable guide 11, the cable guide 11 is itself bulky, there is a problem that squeezing the wiring area, further divided by code bundle of flexural rigidity of the cable guide 11 flexural rigidity is increased, and there was also a possibility that a large operating force and out of the movable tray 3 is required.
また、既設された光コード群の中から一部の光コードを交換するような場合、ケーブルガイド11を取り外す分解作業の手間が必要となるため、光コードの交換等の保守性が悪いという問題があった。 In addition, when such as replacement of some of the optical cord from the existing light code group, since the trouble of disassembly to remove the cable guide 11 is required, the maintenance of the exchange of the optical code poor problem was there.

また、コード束を構成する各光コード13,14の長さは、光通信用機器5上の接続位置に応じて相異するため、光コネクタへの接続を切り換える際には、場所によって光コードの長さが合わない場合があり、その点からも、作業性が悪いという問題があった。 The length of each optical code 13, 14 constituting the cord bundle, to differences in accordance with the connection position on the optical communication equipment 5, when switching the connection to the optical connector, the optical encoded by location there is a case where the length of does not fit, even from that point, there has been a problem of poor workability.
更に、外部から収納ラック本体に引き込む光ケーブルの導出入口が、従前装置と同様、収納ラック本体1の背面側に設定されていたため、収納ラック本体1の背面側にも作業スペースが必要とされて設置面積の増大と、収納ラック本体1の前後面からの据付作業等が求められて作業性に劣った。 Furthermore, deriving the entrance of the optical cable that draws from the outside to the rack body, similarly to the conventional device, the storage rack because it was set on the back side of the main body 1, is working spaces on the rear side of the rack body 1 is required installation and increase in area, installation work or the like from the front and rear surfaces of the rack body 1 has poor workability sought.

本発明は上記課題を解消することを目的としてなされたもので、可動式トレイの引き出しを可能にする光コードの余長の収容形態を工夫することによって、可動式トレイ上の配線用エリアのコンパクト化を可能にし、また、外部から引き込む光ケーブルの導出入口及び各可動式トレイ上に導出入される光コードの出入り口を収納ラック本体の中間部よりも前面側に設定することで、設置面積の狭隘化と、作業性の向上を図ることができる光接続箱を提供することである。 The present invention has been made for the purpose of eliminating the above problem, by devising the extra length of the containment configuration of the optical code permitting withdrawal of the movable tray, compact wiring area on movable tray It enables reduction, also by setting the entrance of light code guide and from the optical cable derivation inlet and the movable tray pulling from the outside on the front side than the middle portion of the rack body, narrow footprint reduction and to provide a light junction box can be improved workability.

上記目的は下記構成により達成される。 The above object is achieved by the following configurations.
(1) 収納ラック本体の前面側に引き出し可能な可動式トレイを備え、前記可動式トレイはその幅方向の略中央部に、光コードを接続する光通信用機器が設置されると共に、幅方向の両側部に配線用エリアが確保された光接続箱であって、 (1) comprises a drawable movable tray on the front side of the rack body, the movable tray in a substantially central portion in the width direction, with an optical communication equipment for connecting the optical code is placed in the width direction an optical connection box is wiring area secured in the side portions,
前記可動式トレイ上に導出入される光コードの出入り口を前記収納ラック本体の中間部よりも前面側に設置すると共に、前記光通信用機器に接続した前記光コードは前記可動式トレイ上に位置決め固定する係止手段を通過して余長をS字形状又はU字形状に蛇行した形態のコード束にして前記配線用エリアに収容配置して、前記出入り口に導かれることを特徴とする光接続箱。 Positioning the entrance of light code guide and out onto the movable tray with placed on the front side than the middle portion of the rack body, wherein the light cord connected to optical communication equipment on the movable tray houses arranged on the wiring area of ​​the extra length passes through the locking means for fixing the cord bundle form meanders in an S-shape or U-shape, optical connection, characterized in that it is guided to the entrance box.

(2) 上記(1)において、前記配線用エリアには、前記光コードの余長のS字形状又はU字形状をなすコード束の交差を防止する隔壁を備えたことを特徴とする光接続箱。 (2) In the above (1), wherein the wiring area, optical connection, characterized in that it comprises a partition wall for preventing cross code bundle forming the extra length of the S-shaped or U-shape of the optical code box.

(3) 上記(1)又は(2)において、前記光通信用機器が複数本の光コード相互をコネクタ接続するコネクタモジュールである場合に、前記複数本の光コードは、前記可動式トレイへの光コードの出入り口から前記コネクタモジュールの各光コネクタまでのコード長が一定となるように、前記光コードの余長の配線形態が設定されていることを特徴とする光接続箱。 (3) In the above (1) or (2), when the optical communication device is a connector module which connector connecting optical cord cross a plurality of optical code of the multiple book to the movable tray optical connection box, characterized in that as the code length from the entrance of the optical code to each optical connector of the connector module is constant, the wiring form of extra length of the optical code has been set.

4) 上記(1)乃至(3)において、外部から前記収納ラック本体内に引き込む光ケーブルの導出入口を、前記可動式トレイへの光コードの出入り口と同様、前記収納ラック本体の中間部よりも前面側に設定したことを特徴とする光接続箱。 In 4) above (1) to (3), front derived inlet of the optical cable that draws from the outside to the rack body, similar to the entrance of the optical cord to the movable tray, than the middle portion of the rack body optical connection box, characterized in that set on the side.

本発明の光接続箱は、従前の装置で用いられていたケーブルガイドを省略してケーブルガイドによる曲げ剛性の増大や嵩の増大等を排除できるようになるので、可動式トレイへの光コードの収容能力の増加や光接続箱の小型化を可能にできる。 Optical connection box of the present invention, since the omitted cable guide that has been used in conventional apparatus becomes possible to eliminate the increase or the like of an increase or bulk flexural rigidity by the cable guide, the optical code to the movable tray possible miniaturization and an increase in optical connection box capacity capable.
また、外部から引き込む光ケーブルの導出入口及び各可動式トレイ上に導出入される光コードの出入り口を収納ラック本体の中間部よりも前面側に設定したことで、収納ラック本体の設置面積の狭隘化、並びに、作業性の向上を図ることができる。 Further, by setting the entrance of light code guide and from the optical cable derivation inlet and the movable tray pulling from the outside on the front side than the middle portion of the rack body, narrowing the footprint of the storage rack body as well, it is possible to improve the workability.

以下、本発明に係る光接続箱の好適な実施の形態について、図面を参照して詳細に説明する。 Hereinafter, preferred embodiments of optical connection box according to the present invention will be described in detail with reference to the drawings.
図1は、本発明に係る光接続箱の第1の実施の形態の斜視図である。 Figure 1 is a perspective view of a first embodiment of the optical connection box according to the present invention.
この実施の形態の光接続箱31は、例えば、光通信の基地局等において加入者に接続される外部光ファイバ心線33と局内の光通信用機器との接続等に使用されるもので、光通信用機器を収容するための複数個のユニット収容部35a〜35jが収納ラック本体35内に設けられている。 Optical connection box 31 of this embodiment, for example, those used in connection of the optical communication equipment of the external optical fiber 33 and the station connected to a subscriber in the optical communication such as a base station, a plurality of unit housing portion 35a~35j for accommodating equipment for optical communication is provided in the rack body 35.

また、本実施の形態に示す3個のユニット収容部35h,35i,35jには、後述する光通信用機器41〜44を収納ラック本体35の前面側に所定長だけ引き出し可能にする可動式トレイ51が装備されており、収納ラック本体35の外部又はラック本体35内の他のユニット収容部からこの可動式トレイ51上に出入りする光コード37,38及び外部光ファイバ心線33には、可動式トレイ51の可動を許容する光コードの余長が付与されている。 Further, three units accommodating portion 35h in this embodiment, 35i, the 35j, movable tray that can be pulled out by a predetermined length on the front side of the rack body 35 to optical communication equipment 41-44, which will be described later 51 is equipped with the optical code 37, 38 and the external optical fiber 33 into and out from the other unit housing portion of the external or rack body 35 of the storage rack body 35 on the movable tray 51 is movable extra length of the optical code to allow the movable formula tray 51 has been granted.

各可動式トレイ51は、図2乃至図7に示すように、その幅方向の略中央部に光コードを接続する光通信用機器41〜44が設置され、また幅方向の左右両側部には配線用エリア53,54が確保されており、配線用エリア53,54には、各通信用機器41〜44に接続して可動式トレイ51の引き出し操作を可能にする光コード37,38の余長がそれぞれ収容配置されている。 Each movable tray 51, as shown in FIGS. 2-7, the optical communication equipment 41 to 44 connecting the optical code is placed at a substantially central portion in the width direction and the right and left side portions in the width direction wiring area 53 and 54 are reserved, the wiring area 53 and 54, over the optical cord 37 that enables the operation of pulling out the movable tray 51 are connected to each communication equipment 41-44 the length is accommodated arranged.

本実施の形態の場合、各可動式トレイ51の引き出し側となる収納ラック本体35の中間部よりも前面側の側面部に、可動式トレイ51上に導出入される光コード37,38の出入り口61が設置されると共に、光通信用機器41〜44に接続した光コード37,38の余長は、長手方向に適宜間隔をあけて結束する結束バンド等によって、S字形状又はU字形状をなすコード束に束ねられて配線用エリア53,54に収容配置されている。 In this embodiment, the side surface portion of the front side of the intermediate portion of the drawer side becomes rack body 35 of each movable tray 51, the entrance of the optical cord 37 that is electrically and out on the movable tray 51 with 61 is installed, the excess length of the optical code 37, 38 connected to the optical communication equipment 41 to 44, the binding band or the like for bundling at an appropriate interval in the longitudinal direction, the S-shaped or U-shaped are bundled Nasu code bundle is housed disposed on the wiring area 53 and 54.
なお、本実施の形態の場合、ユニット収容部35gの可動式トレイ51は、光通信用機器が搭載されず、未使用状態になっている(図1参照)。 In the case of this embodiment, the movable tray 51 of the unit housing portion 35g is optical communication equipment is not mounted, it has become unused state (see FIG. 1).

通信用機器41〜44としては、図2及び図3に示すコネクタモジュール41や、図4及び図5に示す融着ユニット42並びに通過心線収納ユニット43や、図6及び図7示す複合ユニット等を挙げることができる。 The communication equipment 41-44, and a connector module 41 shown in FIGS. 2 and 3, or fusion unit 42 and passing through the core wire accommodating unit 43 shown in FIGS. 4 and 5, 6 and 7 composite unit shown like it can be mentioned.

図4及び図5に示すように、ユニット収容部35iの可動式トレイ51には、2つの光通信用機器42,43が搭載されている。 As shown in FIGS. 4 and 5, the movable tray 51 of the unit housing portion 35i, 2 single optical communication equipment 42, 43 are mounted.
スライド前方側の光通信用機器42は、外部から収納ラック本体35内に引き込まれた外部光ファイバ心線33を、コネクタ付き光コード38に融着する融着ユニットである。 Optical communication devices of the slide front side 42, the external optical fiber 33 drawn from the outside to the rack body 35, a fusing unit for fusing the connector-equipped optical code 38.

この融着ユニット42は、融着処理や保守の際に、広い作業スペースを必要とするため、既述のように、可動式トレイ51に搭載して収納ラック本体35より前面側に引き出すことにより、作業用スペースの確保を図ることができる。 The fusing unit 42, when the fusing treatment and maintenance, because it requires a large working space, as already described, by pulling on the front side of the rack main body 35 is mounted on the movable tray 51 , it is possible to secure a working space.
スライド後方側の光通信用機器43は、外部から引き込まれる光ファイバ心線33に含まれてこのユニット収容部35iを通過する通過心線39を収容するための通過心線収納ユニットである。 Optical communication devices of the slide rear side 43 is passed through the core wire accommodating unit for accommodating the passage core wire 39 passing through the unit housing portion 35i is included in the optical fiber 33 drawn from the outside.

融着ユニット42に引き込まれる光ファイバ心線33は、図4に示すように、可動式トレイ51への光コードの出入り口61と同様に収納ラック本体35の中間部よりも前面側に設けられた導出入口63(図1参照)から、可動式トレイ51上に導入された後、一旦、可動式トレイ51の後方側に引き回されて、後端寄りに装備した係止手段であるトレイ側ケーブル固定具71に固定される。 Optical fiber 33 to be drawn into the fusion unit 42, as shown in FIG. 4, provided on the front side of the middle portion of the doorway 61 and similarly rack body 35 of the optical code to the movable tray 51 the derived inlet 63 (see FIG. 1), after being introduced onto the movable tray 51, once, is routed to the rear side of the movable tray 51, the tray side cable is equipped with locking means near the rear end It is fixed to the fixture 71.

ケーブル固定具71に固定された光ファイバ心線33のうち、通過心線39が通過心線収納ユニット43に収容される一方、残りの光ファイバ40はトレイ側ケーブル固定具72によって固定された後、可動式トレイ51の左側の配線用エリア53を通ってトレイの前面側まで引き出され、融着ユニット42内でコネクタ付き光コード38に融着接続される。 Among optical fiber 33 fixed to the cable fixture 71, while passing through the core wire 39 is accommodated in the passing core wire storage unit 43, after being fixed by the remaining optical fiber 40 is tray-side cable fixture 72 drawn to the front side of the tray through the left side of the wiring area 53 of the movable tray 51 is fusion spliced ​​to a connector-equipped optical code 38 in fusing unit within 42.

導出入口63から収納ラック本体35内に導入された外部光ファイバ心線33は、トレイ導入口からトレイ後端のトレイ側ケーブル固定具71までの経路に、可動式トレイ51の引き出し操作を許容する光コードの余長が組み込まれる。 Derived inlet 63 from the storage rack body 35 external optical fiber is introduced into the 33, the path from the tray inlet to tray side cable fastener 71 of the tray rear end, allowing the operation of pulling out the movable tray 51 extra length of the optical code are incorporated.

融着ユニット42から導出された複数本のコネクタ付き光コード38は、右側の配線用エリア54の一部に設置した係止手段であるコード把持具74によって通過位置を位置決め固定した後、結束バンド等で間欠的に結束したコード束状態にして、配線用エリア54上をトレイ前面側に戻るU字状に蛇行させた形態で、出入り口61に導かれる。 A plurality of connectorized optical code 38 derived from the fusion unit 42, after positioning and fixing the passing position by the code gripper 74 is a locking means installed in a portion of the right side of the wiring area 54, Ties in the intermittent unity the code bundle state, etc., in a form to meander over wiring area 54 in a U-shape back to tray front side, is guided to the entrance 61.

なお、コネクタ付き光コード38は、コード把持具74から出入り口61までにU字状に蛇行して配置された範囲が、可動式トレイ51の引き出し操作を可能にする光コードの余長となる。 Incidentally, the connector-equipped optical code 38 is in the range of from cord gripper 74 to the entrance 61 are arranged in a meandering in a U-shape, the extra length of the optical code enabling the extraction operation of the movable tray 51.

出入り口61に導かれたコード束は、出入り口61の付近でケーブルクランプ76によって位置決め固定される。 Code flux guided to the entrance 61 is positioned and fixed by the cable clamp 76 in the vicinity of the entrance 61.

また、コネクタ付き光コード38のU字状の曲げ部付近には、可動式トレイ51の出し入れの際に、曲げ部が変位して通過心線39側に交差することを防止するための隔壁81が装備されている。 Further, in the vicinity of U-shaped bent portion of the connector-equipped optical code 38, the movable tray 51 during the loading and unloading of the bending portion partition wall 81 for preventing the cross to be displaced passed core 39 side There has been equipped.
また、配線用エリア53を行き来する外部光ファイバ心線33間には、トレイの前後方向に沿って装備された隔壁82が介在して、可動式トレイ51の出し入れの際に、可動式トレイ51上の外部光ファイバ心線33が輻輳や交差することを阻止する。 Further, between the external optical fiber 33 traverses the wiring area 53, a partition 82 that is provided along the longitudinal direction of the tray is interposed, during the loading and unloading of the movable tray 51, movable tray 51 prevents the external optical fiber core wire 33 of the upper is congested or intersect.

なお、図示例の融着ユニット42は、融着部を覆う開閉蓋42aが、トレイの前面側に配置されたヒンジ42bによって、融着部収容ケース本体42cに取り付けられていて、融着作業の際には、開閉蓋42aが手前側に回動して開く。 Incidentally, the fusion unit 42 in the illustrated example, the opening and closing lid 42a covering the fusion portion is by a hinge 42b arranged on the front side of the tray and attached to the fused portion housing case main body 42c, the fusing work when doing so, open lid 42a is rotated to the front side. このように、開閉蓋42aの開閉向きを設定することで、開閉蓋42aの開閉が通過心線収納ユニット43によって邪魔されることがなくなり、作業が容易にできる。 In this way, by setting the opening and closing direction of the lid 42a, prevents the closing of the lid 42a is disturbed by the passage cord storage unit 43, the work can be facilitated.
なお、同様に、通過心線収納ユニット43の場合は、蓋の開閉時に融着ユニット42と干渉することがないように、蓋を結合するヒンジ43aがトレイの後端側に配置されていて、蓋が後方側に回動するようになっている。 Incidentally, similarly, in the case of passing core wire storage unit 43, so as not to interfere with the fusing unit 42 by breaking the lid, the hinge 43a coupling the lid has been arranged on the rear end side of the tray, the lid is adapted to pivot rearwardly.

図2及び図3に示すように、ユニット収容部35hの可動式トレイ51に搭載された光通信用機器41は、コネクタ付き光コード相互をコネクタ接続するコネクタモジュールで、融着ユニット42から引き出されたコネクタ付き光コード38を、他のユニット収容部の光通信用機器と接続されたコネクタ付き光コード37に接続している。 As shown in FIGS. 2 and 3, the optical communication equipment 41 mounted on the movable tray 51 of the unit housing portion 35h has a connector-equipped optical code mutually connector module connector, drawn from fusing unit 42 and the connector-equipped optical code 38, is connected to the connector-equipped optical code 37 which is connected to the optical communication equipment of another unit housing portion.

融着ユニット42から引き出されたコネクタ付き光コード38は、出入り口61から当該可動式トレイ51内に引き込まれ、トレイ51の後部から左側の配線用エリア53に引き回された後に、コネクタモジュール41に装備されている。 Connectorized optical code 38 drawn out from the fusion unit 42 is drawn from the entrance 61 to the movable tray 51, from the rear of the tray 51 after being led to the wiring area 53 on the left, the connector module 41 It is equipped.
また、他のユニット収容部の光通信用機器に接続されたコネクタ付き光コード37は、入り口61から当該可動式トレイ51内に引き込まれ、トレイ51の右側の配線用エリア54において光コードの余長部がS字形状又はU字形状に蛇行した形態で配索された後、コネクタモジュール41に装備されている。 The connector-equipped optical code 37 connected to the optical communication equipment of another unit housing portion is drawn from the inlet 61 to the movable tray 51, the excess light codes on the right side of the wiring area 54 of the tray 51 after length portion is laid in a form meanders in an S-shape or U-shape, it is equipped on the connector module 41.

コネクタモジュール41の付近では、各光コード37、38は、 係止手段である複数個のクランプ部材77,78によって、適宜本数ずつ、位置決め固定されている。 In the vicinity of the connector module 41, the optical code 37, 38 by a plurality of clamping members 77 and 78 is a locking means, by appropriate number, is positioned and fixed.
また、可動式トレイ51の右側の配線用エリア54には隔壁84が装備されており、この隔壁84は光コード37,38の余長がS字形状又はU字形状に配索されて可動式トレイ51の引き出し操作を可能にするコード束の交差を防止している。 Moreover, the partition wall 84 is equipped on the right side of the wiring area 54 of the movable tray 51, the partition 84 is excessive length of the optical code 37 is routed to the S-shaped or U-shaped movable thereby preventing crossing of the code bundle which allows the extraction operation of the tray 51.

また、本実施の形態では、コネクタモジュール41に接続される複数本の光コード37,38は、可動式トレイ51の光コードの出入り口61からコネクタモジュール41上の各光コネクタまでのコード長が一定になるように、各光コードの余長のS字形状又はU字形状における曲げ半径や、曲げ中心を設定している。 Further, in the present embodiment, a plurality of optical code 37, 38 is connected to the connector module 41, the code length from the entrance 61 of the optical code to respective optical connectors on the connector module 41 of the movable tray 51 is constant so that the surplus length radius and bending in an S-shape or U-shape of the optical code, and set the center bending. また、図2に示したように、余長部の結束を、複数の束に分割して、個別にS字形状又はU字形状の曲げを設定することで、出入り口61からコネクタモジュール41上の各接続部までの実際の離間距離差を吸収するようにしている。 Further, as shown in FIG. 2, the unity of the extra length portion is divided into a plurality of bundles, by setting the individually bent S-shaped or U-shaped, the entrance 61 on the connector module 41 of the actual distance difference to each connecting portion so as to absorb.

図6及び図7に示すように、ユニット収容部35jの可動式トレイ51に搭載された光通信用機器44は、外部から収納ラック本体35内に引き込まれた光ファイバ心線33をコネクタ付き光コードに融着する融着ユニット45と、該融着ユニット45で接合された光コードに対して、他のユニット収容部の光通信用機器に接続されたコネクタ付き光コード37を接続するためのコネクタモジュール46とを備えた複合ユニットである。 As shown in FIGS. 6 and 7, the optical communication equipment 44 mounted on the movable tray 51 of the unit housing portion 35j is connectorized optical optical fiber 33 drawn from the outside to the rack body 35 a fusing unit 45 to fuse the coding, to light cord joined at said fusing unit 45, for connecting a connector-equipped optical code 37 connected to the optical communication equipment of another unit housing portion a composite unit that includes a connector module 46.

なお、この複合ユニットでは、融着ユニット45に接続する外部光ファイバ心線33の可動式トレイ51上での配線形態は、図4に示した融着ユニット42に対する外部光ファイバ心線33の配線形態と同一で良く、また、コネクタモジュール46に接続する光コード37の可動式トレイ51上での配線形態は、図2に示したコネクタモジュール41に対する光コード37の配線形態と同一で良いため、配線の際に使用するクランプ等に同番号を付して説明を省略する。 In this composite unit, wiring configuration of the on movable tray 51 of the external optical fiber 33 connected to the fusing unit 45, the wiring of the external optical fiber 33 for fusing unit 42 shown in FIG. 4 form a well in the same, also, wiring configuration of the on movable tray 51 of the optical cord 37 to be connected to the connector module 46, since it the same as the wiring configuration of the optical code 37 relative to the connector module 41 shown in FIG. 2, its description is omitted the same number to clamps and the like used in the wiring.
また、光コード37の交差を防止するための、右側の配線用エリア54に装備される隔壁84についても同一で良いため、同番号を付して説明を省略する。 Also omitted, in order to prevent crossing of the optical code 37, since it at the same also partition wall 84 to be mounted on the right side of the wiring area 54, the description given the same reference numerals.

以上に説明した光接続箱31では、可動式トレイ51の両側に配線用エリア53,54を設定し、この配線用エリア53,54に収容する外部光ファイバ心線33又は光コード37,38の余長は、長手方向に適宜間隔をあけて結束を施すことで、S字形状又はU字形状に蛇行させたコード束にして収容配置されていて、コード束自体に曲げ剛性の増大や嵩の増大を招くケーブルガイドを使用していないため、配線用エリア53,54をコンパクト化して光接続箱の小型化や、可動式トレイ51の収納ラック本体35からの出し入れ操作性の向上を図ることができる。 In the optical connection box 31 described above, set the wiring area 53, 54 on both sides of the movable tray 51, the external optical fiber 33 or optical cord 37 is accommodated in the wiring area 53, 54 extra length, by applying a unity at a proper interval in the longitudinal direction, have been accommodated arranged in the code flux is serpentine into an S-shape or U-shape, the increase or bulk flexural rigidity code bundle itself because it does not use the cable guide causing an increase, miniaturization and light junction box compact wiring area 53 and 54, it is possible to improve the loading and unloading operations of the rack main body 35 of the movable tray 51 it can.

また、光コードの余長を結束したコード束は、長手方向に間隔をあけて部分的に例えば結束バンド等によって結束しただけの単純な構造で良いため、可動式トレイ51上に収容されたコード束の一部の光コードの交換等も簡単に行うことができて、可動式トレイ51上に導出入する光コードの保守性の向上を図ることもできる。 The code also codes flux bundling extra length of the optical code, since it a simple structure of only united by longitudinally spaced partially eg binding band or the like, housed on the movable tray 51 and can easily be replacement of part of the optical cord bundle, it is also possible to improve the maintainability of the light code guide and out onto the movable tray 51.

また、上記実施の形態の光接続箱31では、隔壁81,82,84の装備という簡単な構成だけで、可動式トレイ51の引き出し操作に伴って変位挙動する光コードの余長部のコード束相互の交差を確実に防止することができるため、可動式トレイ51の円滑な出し入れ操作を容易に確保することができる。 In the optical connection box 31 of the above embodiment, only simple structure of the equipment of the partition wall 81, 82 and 84, the code bundle of elongated portion of the optical cord which is displaced behavior with the withdrawing operation of the movable tray 51 it is possible to reliably prevent cross one another, it is possible to easily ensure smooth loading and unloading operation of the movable tray 51.

また、上記実施の形態の光接続箱31では、可動式トレイ51の両側の配線用エリア53,54に収容する各光コード37,38は、光コード余長のコード束に付与するS字形状又はU字形状の曲げ半径等の設定によって、コネクタモジュール41上の光コネクタまでのコード長が一定に調整されるため、各光コードはいずれも同一の長さのもので良くなり、コネクタモジュール41上の接続位置に応じて使用する光コードの長さを調整するような手間が不要になる。 In the optical connection box 31 of the embodiment, the optical fiber cord 37 to be accommodated in both sides of the wiring area 53, 54 of the movable tray 51, S-shape to be imparted to the code bundle of optical code excess length or by setting a radius such as bending of the U-shape, because the code length to the optical connector on the connector module 41 is adjusted to be constant, both the optical code will be of the same length, the connector module 41 time so as to adjust the length of the optical code to be used depending on the connection position of the upper is not required. 従って、光コードの追加や交換、光コネクタへの接続を切り換える際の作業性が向上する。 Therefore, addition or replacement of the optical code, workability when switching a connection to the optical connector is improved.

また、上記実施の形態の光接続箱31では、可動式トレイ51が出し入れ操作される収納ラック本体35の中間部よりも前面側の位置に外部から収納ラック本体35内に引き込む光ファイバ心線33の導出入口63が装備されるため、収納ラック本体35がその背面を建屋等の壁面に近接して設置されるような場合でも、光ケーブルの導出入口63へのアクセスが容易にでき、収納ラック本体35に引き込む光ファイバ心線33の増設・保守が容易になる。 In the optical connection box 31 of the embodiment, the optical fiber draw from the outside with the front side of the intermediate portion of the rack body 35 to the movable tray 51 is out operated rack body 35 in 33 derived for the inlet 63 is equipped, can the rack body 35 is the back even when the are installed close to the wall of a building or the like, the easy access to derivation inlet 63 of the optical cable, rack body expansion and maintenance of optical fiber core wire 33 to pull to 35 becomes easy. また、背面側からの作業も不要になって作業性の向上と同時に、設置面積の狭隘化が図れる。 At the same time the improvement of the workability becomes also unnecessary working from the rear side, thereby the narrowed footprint.

本発明に係る光接続箱の第1の実施の形態の斜視図である。 1 is a perspective view of a first embodiment of the optical connection box according to the present invention. 図1に示した光接続箱に実装されたコネクタモジュールの平面図である。 It is a plan view of a connector module mounted to the light connection box shown in FIG. 図2に示したコネクタモジュールの正面図である。 It is a front view of the connector module shown in FIG. 図1に示した光接続箱に実装された融着ユニットの平面図である。 It is a plan view of a fusing unit which is mounted in the optical connection box shown in FIG. 図4に示した融着ユニットの正面図である。 It is a front view of a fusing unit shown in FIG. 図1に示した光接続箱に実装された複合ユニットの平面図である。 It is a plan view of a composite unit that is mounted to the optical connection box shown in FIG. 図6に示した複合ユニットの正面図である。 It is a front view of a composite unit shown in FIG. 従来の光接続箱におけるトレイ上の光コードの収容構造を示す平面図である。 It is a plan view showing a housing structure of an optical code on the tray in the conventional optical connection box.

符号の説明 DESCRIPTION OF SYMBOLS

31 光接続箱33 外部光ファイバ心線35 収納ラック本体35a〜35j ユニット収容部37,38 光コード39 通過心線41,46 コネクタモジュール(光通信用機器) 31 light junction box 33 external optical fiber 35 rack body 35a~35j unit housing portion 37, 38 optical fiber cord 39 passing through the core wire 41, 46 connector module (optical communication equipment)
42,45 融着ユニット(光通信用機器) 42 and 45 fusion unit (for optical communication equipment)
43 通過心線収納ユニット(光通信用機器) 43 passing core wire enclosure (optical communication equipment)
44 複合ユニット(光通信用機器) 44 composite unit (for optical communication equipment)
51 可動式トレイ53,54 配線用エリア61 出入り口63 導出入口71,72 トレイ側ケーブル固定具(係止手段) 51 movable tray 53 for wiring area 61 doorway 63 derives inlet 71 tray side cable fixture (locking means)
74 コード把持具(係止手段) 74 Code gripper (locking means)
76 ケーブルクランプ77,78 クランプ部材(係止手段) 76 cable clamp 77 and 78 clamp members (locking means)
81,82,84,85 隔壁 81,82,84,85 partition walls

Claims (4)

  1. 収納ラック本体の前面側に引き出し可能な可動式トレイを備え、前記可動式トレイはその幅方向の略中央部に、光コードを接続する光通信用機器が設置されると共に、幅方向の両側部に配線用エリアが確保された光接続箱であって、 Comprising a drawable movable tray on the front side of the rack body, the movable tray in a substantially central portion in the width direction, with an optical communication equipment for connecting the optical code is placed on both sides in the width direction an optical connection box is wiring area reserved,
    前記可動式トレイ上に導出入される光コードの出入り口を前記収納ラック本体の中間部よりも前面側に設置すると共に、前記光通信用機器に接続した前記光コードは前記可動式トレイ上に位置決め固定する係止手段を通過して余長をS字形状又はU字形状に蛇行した形態のコード束にして前記配線用エリアに収容配置して、前記出入り口に導かれることを特徴とする光接続箱。 Positioning the entrance of light code guide and out onto the movable tray with placed on the front side than the middle portion of the rack body, wherein the light cord connected to optical communication equipment on the movable tray houses arranged on the wiring area of ​​the extra length passes through the locking means for fixing the cord bundle form meanders in an S-shape or U-shape, optical connection, characterized in that it is guided to the entrance box.
  2. 前記配線用エリアには、光コードの余長のS字形状又はU字形状をなすコード束の交差を防止する隔壁を備えたことを特徴とする請求項1に記載の光接続箱。 Wherein the wiring area, the optical connection box according to claim 1, further comprising a partition wall for preventing cross code bundle forming the extra length of the S-shaped or U-shaped optical code.
  3. 前記光通信用機器が複数本の光コード相互をコネクタ接続するコネクタモジュールである場合に、前記複数本の光コードは、前記可動式トレイへの光コードの出入り口から前記コネクタモジュールの各光コネクタまでのコード長が一定となるように、前記光コードの余長の配線形態が設定されていることを特徴とする請求項1又は2に記載の光接続箱。 If the optical communication device is a connector module which connector connecting optical cord cross a plurality of optical code of the plurality of until the optical connector of the connector module from the entrance of the optical code to the movable tray like the code length is constant, the optical connection box according to claim 1 or 2, characterized in that the wire form of extra length of the optical code has been set.
  4. 外部から前記収納ラック本体内に引き込む光ケーブルの導出入口を、前記可動式トレイへの光コードの出入り口と同様、前記収納ラック本体の中間部よりも前面側に設定したことを特徴とする請求項1乃至3に記載の光接続箱。 Claim the derivation inlet of the optical cable that draws from the outside to the rack body, similar to the entrance of the optical cord to the movable tray, characterized in that set on the front side than the middle portion of the rack body 1 or optical connection box according to 3.
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US8433171B2 (en) 2009-06-19 2013-04-30 Corning Cable Systems Llc High fiber optic cable packing density apparatus
US8452148B2 (en) 2008-08-29 2013-05-28 Corning Cable Systems Llc Independently translatable modules and fiber optic equipment trays in fiber optic equipment
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