JP3794540B2 - Optical fiber excess length accommodating device - Google Patents

Optical fiber excess length accommodating device Download PDF

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Publication number
JP3794540B2
JP3794540B2 JP34432999A JP34432999A JP3794540B2 JP 3794540 B2 JP3794540 B2 JP 3794540B2 JP 34432999 A JP34432999 A JP 34432999A JP 34432999 A JP34432999 A JP 34432999A JP 3794540 B2 JP3794540 B2 JP 3794540B2
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optical fiber
length
optical
portion
excess length
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JP2001159714A (en
Inventor
剛行 中野
良 奥田
信夫 富田
恒司 峰
史 泉田
学 鶴岡
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古河電気工業株式会社
日本電信電話株式会社
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【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、例えば電話通信などの光通信に用いられる光ファイバ余長収容装置に関するものである。 The present invention relates to an optical fiber excess length accommodating apparatus for use in optical communications, such as for example telephone communication.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
光ファイバ通信の1つとして、例えば電話通信がある。 One optical fiber communications, for example, a telephone communication. 各電話加入者の設備は成端ケーブルと呼ばれる光ファイバケーブルにより電話局側と接続されており、その光ファイバケーブルを通して電話通信が行われている。 Each telephone subscriber equipment is connected to the OLT through an optical fiber cable, called terminated cable, telephone communication is performed through the optical fiber cable. 光ファイバケーブルには、複数の光ファイバが収容されており、光ファイバケーブルを用いて電話通信などを行なう際に、光ファイバケーブルから引き出した光ファイバの余長部分を光ファイバ余長収容装置内に収容することが行われている。 The optical fiber cable is accommodated a plurality of optical fibers, when performing telephone communication using an optical fiber cable, excess optical fiber length the surplus portions of the optical fiber drawn from an optical fiber cable housing device It has been made to be housed in. なお、一般に、光ファイバケーブルから光ファイバを引き出すときには、複数本の光ファイバを並設してなる光ファイバテープ心線の形態で引き出される。 In general, when pulling out the optical fiber from the optical fiber cable is drawn in the form of an optical fiber ribbon formed by juxtaposed a plurality of optical fibers.
【0003】 [0003]
図8の(a)、(b)には、それぞれ、従来の光ファイバ余長収容装置の例が斜視図により示されている。 (A) in FIG. 8, the (b), respectively, of a conventional optical fiber excess length accommodating apparatus is shown in a perspective view. これらの図に示されるように、光ファイバ余長収容装置は1つ以上(同図では1つ)の光ファイバ余長収容棚2を有しており、該光ファイバ余長収容棚2の上部内壁と底部内壁にはそれぞれ、複数のレール支持部17が互いに間隔を介し、余長収容棚2の手前側から奥側にかけて図のY方向に設けられている。 As shown in these figures, the optical fiber excess length accommodating device may include one or more (in the figure one) has an optical fiber excess length shelf 2, the upper portion of the optical fiber excess length shelf 2 each of the inner wall and the bottom inner wall is provided through a gap plurality of rail support parts 17 with each other, from the front side of the extra-length shelf 2 toward the back side in the Y direction in FIG.
【0004】 [0004]
レール支持部17にはレール18が支持され、このレール18にスライド自在に空き心線箱12が設けられている。 Rail 18 is supported on the rail support unit 17, slidably empty core box 12 is provided in the rail 18. なお、図8において、空き心線箱12は1つのみ示しているが、一般に、レール支持部17の本数に対応させて複数の空き心線箱12が設けられる。 In FIG. 8, although the free core box 12 shows only one, generally, in correspondence to the number of the rail support 17 a plurality of free cores box 12 are provided.
【0005】 [0005]
空き心線箱12には、光ファイバケーブルから引き出された光ファイバテープ心線1の余長部分を収容する余長収容部15が設けられている。 The empty core box 12, the extra length accommodating portion 15 for accommodating the optical fiber surplus length portion of the ribbon 1 drawn out from the optical fiber cable is provided. この余長収容部15は、空き心線箱12の手前側の左右両側に設けられており、例えば図9の(b)に示すように、扉部14によって閉じられるようになっている。 The extra length accommodating portion 15 is provided on the left and right sides of the front side of the empty core box 12, for example, as shown in FIG. 9 (b) is adapted to be closed by the door portion 14. なお、図8においては、扉部14を省略して示している。 In FIG. 8, it is not shown the door portion 14. それぞれの余長収容部15には、曲面状のガイド部11が設けられており、光ファイバテープ心線1の余長部分はガイド部11にガイドされ、8の字形に配線されて収容される。 Each extra length accommodating portion 15, curved guide portion 11 is provided, extra length portion of the optical fiber ribbon 1 is guided by the guide portion 11, are housed are wired in a figure-eight .
【0006】 [0006]
また、図8の(a)に示すように、光ファイバテープ心線1の先端側には端末コネクタ3が設けられ、端末コネクタ3は余長収容部15の手前側に着脱自在に取り付けられる。 Further, as shown in FIG. 8 (a), the tip end of the optical fiber ribbon 1 is provided with the terminal connector 3, the terminal connector 3 is removably attached to the front side of the extra length accommodating portion 15. そして、同図の(b)に示すように、光スイッチ10への接続用のアダプタボックス4が設けられている光ファイバ余長収容装置の場合には、端末コネクタ3は、必要に応じてアダプタボックス4に着脱自在に接続される。 Then, as shown in FIG. (B), in the case of the optical fiber excess length accommodating apparatus adapter box 4 for connection to the optical switch 10 is provided, the terminal connector 3, optionally adapter It is detachably connected to the box 4.
【0007】 [0007]
なお、電話局側と電話加入者側を接続する光ファイバケーブルに断線などの何らかの支障が生じると、電話通信を行うことができないため、光ファイバケーブルの断線の有無を検出するといった、OTDR(Optical Time Domain Reflectmeter)による光ファイバケーブルの監視システムが提案されており、前記光スイッチ10は、アダプタボックス4に接続された端末コネクタ3付きの光ファイバテープ心線1をOTDRに切替え自在に接続する。 Incidentally, when some trouble such as disconnection in an optical fiber cable connecting the telephone subscriber and the central office side occurs, it is not possible to perform telephone communication, such to detect the presence or absence of disconnection of the optical fiber cable, OTDR (Optical Time Domain Reflectmeter) has been proposed a monitoring system of an optical fiber cable by the optical switch 10 is connected freely switch the optical fiber ribbon 1 connected with the terminal connector 3 to the adapter box 4 to OTDR.
【0008】 [0008]
また、図9の(a)に示すような、光カプラユニット9を光ファイバ収容棚2に収容するときには、空き心線箱12の奥側に光カプラユニット9を設け、光カプラユニット9を介して光ファイバテープ心線1を光スイッチ10に接続することが行なわれる。 Further, as shown in FIG. 9 (a), when housing the optical coupler unit 9 in the optical fiber storage shelf 2, the optical coupler unit 9 provided on the far side of the empty core box 12, via the optical coupler unit 9 it is performed to connect the optical fiber ribbon 1 to the optical switch 10 Te. この場合は、同図の(b)に示すように、光カプラユニット9を空き心線箱12と共に光ファイバ余長収容棚2に収容し、光カプラユニット9の一方の引き出し部16a(同図の(a)参照)から引き出されたカプラ側光ファイバテープ心線13aの先端のカプラ側コネクタ6aが、光ファイバテープ心線1の先端の端末コネクタ3に接続される。 In this case, as shown in FIG. (B), the optical coupler unit 9 accommodated in the optical fiber excess length storage shelf 2 with free core box 12, one lead portion 16a (the figure of the optical coupler unit 9 of (a) the drawn from the reference) coupler side optical fiber ribbon 13a tip of the coupler side connector 6a is connected to the optical fiber ribbon 1 of the tip of the terminal connector 3.
【0009】 [0009]
そして、図10に示すように、カプラ側光ファイバテープ心線13aの余長部分とケーブル側の光ファイバテープ心線1の余長部分は、共に8の字形に配線されて余長収容部15に収容される。 Then, as shown in FIG. 10, extra length portion and the optical fiber extra length portion of the ribbon 1 of the cable side of the coupler side optical fiber ribbon 13a are surplus length receiving portion is wired to both 8-shaped 15 It is housed in. 前記カプラ側コネクタ6aと端末コネクタ3は、共に余長収容部15の手前側に着脱自在に取り付けられる。 The coupler connector 6a and the terminal connector 3 are both removably attached to the front side of the extra length accommodating portion 15.
【0010】 [0010]
また、光カプラユニット9の他方の引き出し部16bからカプラ側光ファイバテープ心線13bを引き出し、その先端のカプラ側コネクタ6bを光スイッチ10に接続することにより、ケーブル側の光ファイバテープ心線1が光カプラユニット9を介して光スイッチ10に接続される。 The lead coupler side optical fiber ribbon 13b from the other lead-out portion 16b of the optical coupler unit 9, by connecting the coupler side connector 6b of the distal end to the optical switch 10, the cable-side optical fiber ribbon 1 There is connected to the optical switch 10 via the optical coupler unit 9.
【0011】 [0011]
なお、前記の如く、余長収容部15は、空き心線箱12の左右両側に設けられているために、光カプラユニット9からカプラ側コネクタ6a付きのカプラ側光ファイバテープ心線13aを2本引き出せば、引き出した2本のカプラ側光ファイバテープ心線13aを、それぞれ対応するケーブル側光ファイバテープ心線1に接続することができる。 Incidentally, the as surplus length receiving portion 15, in order to provided on both left and right sides of the empty core box 12, from the optical coupler unit 9 with coupler connector 6a of the coupler side optical fiber ribbon 13a 2 if pulled out this, it is possible to connect the two coupler-side optical fiber ribbon 13a drawn out, to the corresponding cable-side optical fiber ribbon 1. そして、2本の各ケーブル側光ファイバテープ心線1をそれぞれ、光カプラユニット9を介して、光スイッチ10に接続することができる。 Then, it is possible to two of each cable-side optical fiber ribbon 1 respectively, via the optical coupler unit 9, connected to the optical switch 10.
【0012】 [0012]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
ところで、上記のような従来の光ファイバ余長収容装置においては、いずれも、余長収容部15を引き出して、光ファイバテープ心線1の余長部分を8の字配線収容することが行われ、また、光ファイバテープ心線1の光カプラユニット9との接続切り替え時には、同様に、余長収容部15を引き出して、ケーブル側の光ファイバテープ心線1と光カプラユニット9のカプラ側光ファイバテープ心線13aを余長収容部15内に8の字配線し直すことが行われるため、ケーブル側の光ファイバテープ心線1の余長部分収容や光カプラユニット9との接続切り替え作業の作業性が非常に悪かった。 Incidentally, in the conventional optical fiber excess length accommodating apparatus as described above, both, pull out the extra length accommodating portion 15, it is the practice to shape wiring capacity of the surplus length portion of the optical fiber ribbon 1 8 Further, when connection switching the optical coupler unit 9 of the optical fiber ribbon 1 is likewise pull the extra length accommodating portion 15, the optical fiber ribbon 1 of the cable side and the coupler side light of the optical coupler unit 9 because it is made to re-shape wire 8 a fiber ribbon 13a to the surplus length receiving portion 15, the connecting switching work of the surplus length portion accommodated and an optical coupler unit 9 of the optical fiber ribbon 1 of the cable workability was very poor.
【0013】 [0013]
本発明は、上記従来の課題を解決するためになされたものであり、その目的は、光ファイバケーブルから引き出された光ファイバの余長部分の収容や光カプラユニットとの接続切り替え時の光ファイバ余長部分の収容を作業性良く行なうことができる光ファイバ余長収容装置を提供することにある。 The present invention has been made to solve the conventional problems, and its object is at the time of connection switching between receiving and optical coupler unit of the surplus portions of the optical fiber drawn from an optical fiber cable the optical fibers and to provide a surplus portions optical fiber excess length accommodating apparatus capable of handling a large accommodation of.
【0014】 [0014]
【課題を解決するための手段】 In order to solve the problems]
上記目的を達成するために、本発明は次のような構成をもって課題を解決するための手段としている。 To achieve the above object, the present invention is a means for solving the problems with the following configuration. すなわち、第1の発明は、 上部壁と底部壁と横方向の端部の壁を有して手前側の端面が開口されている箱状の光ファイバ余長収容棚を1つ以上有し、該光ファイバ余長収容棚の箱状の内部空間がそれぞれ間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板により仕切られ、それぞれの光ファイバ余長収容棚に前記仕切り板により区分されて手前側が開口状態の空間部から成る複数の区分領域が配列形成されており、該それぞれの区分領域が光ファイバケーブルから引き出された光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に前記区分領域の前記手前側の開口から挿入して該区分領域の空間に非拘束状態で収容する余長部分個別収容部と成しており、前記それぞれの余長収容棚の底部内壁と上部内壁の少な That is, the first invention has a top wall and a bottom wall and lateral box-like end face of the front side with a wall of the end portion is opened fiber excess length storage shelf 1 or more, partitioned by a plurality of partition plates which box-shaped inner space of the optical fiber excess length shelves are arranged laterally vertical posture through respective intervals, said partition plate in each of the optical fiber excess length shelf yo Ri and partitioned by the front side is a plurality of segmented regions arranged and formed Ru consists space of the opening state, 1 each segmented region said is predetermined extra length portion of the optical fiber drawn from an optical fiber cable and forms an extra length portion separately accommodating portion for accommodating a non-constrained state in the space of the front side said section area is inserted from the opening of the partition areas separately for the above optical fiber group, said each small bottom inner wall and the upper inner wall of the extra length shelf とも一方には仕切り板をガイドするガイドレールが前記余長収容棚の手前側から奥側にかけて設けられており、前記仕切り板はガイドレールにスライド自在に設けられている構成をもって課題を解決する手段としている。 And provided toward the rear side guide rails for guiding the partition plate from the front side of the extra length of the shelves is also one, the partition plate is means for solving the problems with the configuration provided slidably in the guide rail It is set to.
【0016】 [0016]
さらに、第の発明は、上記第1の発明の構成に加え、前記仕切り板は余長収容棚の奥行き以上の奥行きを有して余長収容棚の手前側から奥側にかけて設けられている構成をもって課題を解決する手段としている。 Further, the second invention, in addition to the configuration of the first aspect of the present invention, is provided toward the rear side from the front side of the partition plate extra length shelves have the depth or depth of the extra length shelf and a means for solving the problems with the configuration.
【0017】 [0017]
さらに、第の発明は、上記第1の発明の構成に加え、前記余長収容棚の奥行き未満の奥行きを有する仕切り板が設けられている構成をもって課題を解決する手段としている。 Furthermore, a third invention, in addition to the configuration of the first invention, and the means for solving the problems with the construction of the partition plate having a depth of less than the depth of the excess length of the shelves are provided.
【0018】 [0018]
さらに、第の発明は、上記第1の発明の構成に加え、それぞれの余長収容棚の内側高さ未満の高さを有する仕切り板が設けられている構成をもって課題を解決する手段としている。 The fourth invention is directed to the addition to the configuration of the first invention, means for solving the problems with the construction in which the partition plate is provided with an inner height less than the height of each extra-length shelf .
【0019】 [0019]
上記構成の本発明においては、光ファイバ余長収容棚がそれぞれ間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板により仕切られ、それぞれの光ファイバ余長収容棚に仕切り板による複数の区分領域が配列形成されており、該それぞれの区分領域が光ファイバケーブルから引き出された光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に収容する余長部分個別収容部と成しているために、従来のように光ファイバの余長部分を収容するための空き心線箱がなくても、光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に収容することが可能となる。 In the present invention configured as described above, are separated by a plurality of partition plates arranged laterally vertical posture optical fiber excess length accommodating shelf over a respective interval, by the partition plate to the respective optical fiber excess length shelf and a plurality of segmented regions arranged and formed, surplus portions of each segmented region said accommodates separately for each one or more optical fibers group of predetermined extra length portion of the optical fiber drawn from an optical fiber cable for forms a discrete receiving portion, even if no conventional free core box for accommodating the extra length portion of the optical fiber as described above, predetermined one or more optical extra length portion of the optical fiber it is possible to accommodate individually for each fiber group.
【0020】 [0020]
したがって、空き心線箱に光ファイバ余長部分を8の字形に収容する場合と異なり、本発明においては、光ファイバ余長部分の収容が非常に容易に行なえる。 Therefore, unlike the case of accommodating the optical fiber excess length portion 8 of the shaped the empty core box, in the present invention, very easily accommodated in the optical fiber excess length portion. また、本発明において、前記余長部分個別収容部にそれぞれ光カプラユニットなどを設けることにより、光カプラユニットも区分け収容することが可能となり、光カプラユニットとの接続切り替えや、接続切り替え時の光ファイバ余長部分の収容を作業性良く行なうことが可能となる。 In the present invention, by providing the like each optical coupler unit to the extra length portion discrete receiving unit, an optical coupler unit also becomes possible to partition housing, and connection switching the optical coupler unit, the light at the time of connection switching the accommodation of excess fiber length portion it is possible to perform high workability.
【0021】 [0021]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、本発明の実施の形態を図面に基づいて説明する。 Hereinafter, an embodiment of the present invention with reference to the accompanying drawings. なお、本実施形態例の説明において、従来例と同一名称部分には同一符号を付し、その重複説明は省略する。 In the description of this embodiment, the same reference numerals are given to the conventional example having the same name portions, and duplicate description is omitted. 図1には、本発明に係る光ファイバ余長収容装置の一実施形態例の要部構成が斜視図によって示されている。 1 is essential structure of an embodiment of an optical fiber excess length accommodating apparatus according to the present invention is shown by the perspective view.
【0022】 [0022]
同図に示すように、本実施形態例の光ファイバ余長収容装置は、1つ以上(同図では1つ)の光ファイバ余長収容棚2を有しており、該光ファイバ余長収容棚2は、それぞれ間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板5により仕切られている。 As shown in the figure, the optical fiber excess length accommodating device of the present embodiment, one or more has a fiber excess length storage rack 2 (the one in the figure), the optical fiber excess length accommodating shelf 2 is partitioned by a plurality of partition plates 5 arranged laterally vertical posture over a respective interval. そして、光ファイバ余長収容棚2に、仕切り板5による複数の区分領域が配列形成されており、該それぞれの区分領域が光ファイバケーブルから引き出された光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に収容する余長部分個別収容部20と成している。 Then, the optical fiber excess length storage shelf 2, a plurality of segment regions by the partition plate 5 is arranged and formed, each segmented region said is predetermined extra length portion of the optical fiber drawn from the optical fiber cable 1 for each book or more optical fiber group forms the extra length portion separately accommodating portion 20 for accommodating separately.
【0023】 [0023]
なお、本実施形態例の光ファイバ余長収容装置を用いて光ファイバの余長部分を収容する際も、光ファイバは光ファイバテープ心線1の形態で光ファイバケーブルから引き出される。 Even when accommodating the extra length portion of the optical fiber using an optical fiber excess length accommodating device of the embodiment, the optical fiber is drawn in the form of optical fiber ribbon 1 from the optical fiber cable. したがって、本実施形態例の光ファイバ余長収容装置の各余長部分個別収容部20に1本の光ファイバテープ心線1を収容した場合、複数本の光ファイバの余長部分が、それぞれの余長部分個別収容部20に収容されることになる。 Accordingly, when housing the optical fiber ribbon 1 of one for each surplus portions discrete receiving portion 20 of the optical fiber excess length accommodating device of the embodiment, the surplus portions of the plurality of optical fibers, each It will be received in the surplus portions discrete receiving portion 20. 図1では、2本の光ファイバテープ心線1を1つの余長部分個別収容部20に収容する例が示されている。 In Figure 1, an example to accommodate two optical fiber ribbon 1 to a single surplus length portion discrete receiving portion 20 is shown.
【0024】 [0024]
また、本実施形態例では、図2の(a)に示すように、余長収容棚2の底部内壁には、仕切り板5をガイドするガイドレール7が、余長収容棚2の手前側から奥側にかけて設けられている。 Further, in the present embodiment, as shown in FIG. 2 (a), the bottom inner wall of the extra length of the shelves 2, the guide rails 7 for guiding the partition plate 5 is, from the front side of the extra-length shelf 2 It is provided toward the back side. ガイドレール7には、仕切り板5をスライド自在に嵌合する嵌合溝8が設けられており、図1の(b)に示すように、仕切り板5はガイドレール7にスライド自在に設けられている。 The guide rail 7, is provided with a fitting groove 8 of fitting the partition plate 5 slidably, as shown in (b) of FIG. 1, the partition plate 5 is slidably mounted on the guide rail 7 ing.
【0025】 [0025]
図3に示すように、各仕切り板5の奥行きDは余長収容棚2の奥行とほぼ同じに形成されており、余長収容棚2の手前側から奥側にかけて設けられている。 As shown in FIG. 3, the depth D of each of the partition plates 5 are substantially the same form as the depth of the extra length of the shelves 2 is provided toward the rear side from the front side of the extra-length shelf 2. 仕切り板5は、例えばプラスチック製の板により形成されている。 Partition plate 5 is formed by, for example, a plastic plate. なお、図3において、アダプタボックス4の配設領域は省略して示している。 In FIG. 3, providing area of ​​the adapter box 4 are not shown.
【0026】 [0026]
また、図3,4には、本実施形態例の光ファイバ余長収容装置の適用例として、前記余長部分個別収容部20に光カプラユニット9を設けた構成例が示されている。 Further, in FIGS. 3 and 4, as an application example of the optical fiber excess length accommodating device of the embodiment, configuration example in which an optical coupler unit 9 in the excess length portion separately accommodating portion 20 is shown. これらの図に示すように、本実施形態例の光ファイバ余長収容装置に光カプラユニット9を収容する場合は、従来の光カプラユニット9と異なり、1つの光カプラユニット9の一方の引き出し部から1本ずつカプラ側光ファイバテープ心線13aを引き出す構成とし、この光カプラユニット9を上下に重ねて1つの余長部分個別収容部20に収容する構成とする。 As shown in these figures, when accommodating an optical coupler unit 9 in the optical fiber excess length accommodating device of the embodiment, unlike the conventional optical coupler unit 9, one of the lead portions of one optical coupler unit 9 and one each configured to draw the coupler side optical fiber ribbon 13a from a structure that accommodates overlapping the optical coupler unit 9 up and down one surplus length portion discrete receiving portion 20.
【0027】 [0027]
そして、図4の(a)に示すように、各カプラ側光ファイバテープ心線13aの先端側のカプラ側コネクタ6aをそれぞれ、光ファイバケーブルから引き出したケーブル側光ファイバテープ心線1の先端側の端末コネクタ3と接続する。 Then, as shown in (a) of FIG. 4, the tip side of the coupler side connector 6a of the coupler side optical fiber ribbon 13a respectively, the tip end of the cable-side optical fiber ribbon 1 drawn out from the optical fiber cable It is connected to the terminal connector 3. また、同図の(b)に示すように、各光カプラユニット9の他方の引き出し部から引き出したカプラ側光ファイバテープ心線13bの先端側のカプラ側コネクタ6bをアダプタボックス4にそれぞれ接続する。 Further, as shown in FIG. (B), respectively connecting the distal end side of the coupler side connector 6b of the coupler side optical fiber ribbon 13b drawn out from the other lead portion of each of the optical coupler unit 9 in the adapter box 4 . このようにすると、それぞれ、ケーブル側の光ファイバテープ心線1が、対応する光カプラユニット9を介して光スイッチ10に接続される。 In this way, each of the optical fiber ribbon 1 of the cable side is connected to the optical switch 10 via the corresponding optical coupler unit 9.
【0028】 [0028]
本実施形態例は以上のように構成されており、光ファイバ余長収容棚2が、間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板5により仕切り、光ファイバ余長収容棚2に仕切り板5による複数の区分領域を配列形成し、それぞれの区分領域を、ケーブル側の光ファイバテープ心線1の余長部分を予め定めた本数だけ個別に収容する余長部分個別収容部20としたために、従来のようにケーブル側の光ファイバテープ心線1の余長部分を収容するための空き心線箱12を設ける必要がなく、ケーブル側の光ファイバテープ心線1の余長部分を予め定めた本数ごとに個別に収容することができる。 This embodiment is constructed as described above, the optical fiber excess length storage shelf 2, a partition by a plurality of partition plates 5 arranged laterally vertical posture through the gap, optical fiber excess length accommodating a plurality of segmented regions by the partition plate 5 is arranged and formed on the shelf 2, the respective segment regions, the number only surplus portions separately accommodated for individually housed with predetermined optical fiber surplus length portion of the ribbon 1 of the cable because of the part 20, as in the prior art there is no need to provide an empty core box 12 for accommodating a surplus length portion of the optical fiber ribbon 1 of the cable side, excess of optical fiber ribbon 1 of the cable it can be housed separately for each number that defines the length portion in advance.
【0029】 [0029]
したがって、本実施形態例によれば、従来のように、空き心線箱12にケーブル側の光ファイバテープ心線1の余長部分を8の字形に収容する場合と異なり、光ファイバテープ心線1の余長部分の収容を非常に容易に行なうことができるし、装置構成を非常に簡単にすることができ、コストの安い光ファイバ余長収容装置とすることができる。 Therefore, according to this embodiment, as in the prior art, unlike the case for accommodating the optical fiber surplus length portion of the ribbon 1 of the cable side 8 of the shape in the free core box 12, the optical fiber ribbon it accommodation of one extra length portion can be very easily carried out, it is possible to greatly simplify device configuration may be a low-cost optical fiber excess length accommodating apparatus.
【0030】 [0030]
また、本実施形態例によれば、余長部分個別収容部20を形成する仕切り板5を、余長収容棚2の手前側から奥側にかけて設けたガイドレール7にスライド自在に設けたために、必要な部分にのみ仕切り板5を配設し、不要になった場合には仕切り板5を取り外すこともできる。 Further, according to this embodiment, the partition plate 5 which forms a surplus portions discrete receiving portion 20, in order to provided slidably in guide rails 7 provided toward the back side from the front side of the extra-length shelf 2, disposed the partition plate 5 only in a necessary portion, it is also possible to remove the partition plate 5 when no longer needed. したがって、仕切り板5を無駄に配設することを防ぐことができる。 Therefore, it is possible to prevent the wasteful disposed partition plate 5.
【0031】 [0031]
さらに、図3,4に示したように、本実施形態例の光ファイバ余長収容装置に光カプラユニット9を収容する構成とすると、それぞれの光カプラユニット9を区分け収容することができ、しかも、光カプラユニット9とケーブル側の光ファイバテープ心線1との接続切り替えおよびケーブル側光ファイバテープ心線1およびカプラ側光ファイバテープ心線13の余長部分の収容は、従来の8の字配線を行なわずにできるために、上記作業を作業性良く行なうことができる。 Furthermore, as shown in FIGS. 3 and 4, when the structure that houses the optical coupler unit 9 in the optical fiber excess length accommodating device of the embodiment, it is possible to partition housing a respective optical coupler unit 9, yet , accommodation of surplus length portion of the optical coupler unit 9 and the cable end of the optical fiber ribbon connection between core 1 switch and the cable-side optical fiber ribbon 1 and the coupler side optical fiber ribbon 13, shaped in the conventional 8 to be without wiring, the operation can be performed with high workability.
【0032】 [0032]
なお、本発明は上記実施形態例に限定されることはなく、様々な実施の態様を採り得る。 The present invention is not limited to the above embodiment may take aspects of various embodiments. 例えば上記実施形態例では、光ファイバ余長収容装置はアダプタボックス4を有する構成としたが、光ファイバ余長収容装置は必ずしもアダプタボックス4を有するとは限らず、例えば図5に示すように、アダプタボックス4を省略した構成としてもよい。 For example, in the above embodiment, although the optical fiber excess length accommodating device was configured to have an adapter box 4, the optical fiber excess length accommodating device is not necessarily to have the adapter box 4, for example, as shown in FIG. 5, it may be omitted from the configuration of the adapter box 4.
【0033】 [0033]
このようにした場合も、光ファイバテープ心線1の先端側の端末コネクタ3を余長部分個別収容部20の手前側に配置して光ファイバテープ心線1を収容すれば、光ファイバテープ心線1の余長部分を予め定めた本数ごとに個別に余長部分個別収容部20に収容し、端末コネクタ3を利用して接続相手側に接続することができる。 Even such a case, if receiving the optical fiber ribbon 1 by placing the optical fiber ribbon 1 of the distal end side of the terminal connector 3 on the front side of the surplus length portion discrete receiving unit 20, the optical fiber tapes center housed individually surplus length portion separately accommodating portion 20 for each predetermined number of the extra length portion of the wire 1 can be connected to the connection counterpart by using the terminal connector 3.
【0034】 [0034]
また、上記実施形態例では、仕切り板5を余長収容棚2の手前側から奥側にかけて設けたガイドレール7にスライド自在に設けたが、 参考例として、図2の(b)に示すように、仕切り板5をガイドレール7に固定して設けたものを示す Further, in the above embodiment, is provided slidably in the guide rails 7 provided toward the back side of the partition plate 5 from the front side of the surplus length of the shelves 2, as a reference example, as shown in FIG. 2 (b) to show the one provided by fixing the partition plate 5 on the guide rail 7.
【0035】 [0035]
さらに、上記実施形態例では、余長収容棚2の底部内壁に、仕切り板5をガイドするガイドレール7を設けたが、ガイドレール7は余長収容棚2の上部内壁に設けてもよいし、余長収容棚2の上部内壁と底部内壁の両方に設けてもよい。 Furthermore, in the above embodiment, the bottom inner wall of the extra length of the shelves 2 is provided with the guide rails 7 for guiding the partition plate 5, the guide rail 7 may be provided on the upper inner wall of the extra length shelf 2 , it may be provided on both the upper inner wall and the bottom inner wall of the extra length shelf 2.
【0036】 [0036]
さらに、上記実施形態例では、仕切り板5は余長収容棚2の奥行きとほぼ同じ奥行きを有していたが、仕切り板5は、余長収容棚2の奥行き以上の奥行きを有するものとし、この仕切り板5を余長収容棚2の手前側から奥側にかけて設けてもよい。 Furthermore, in the above embodiment, although the partition plate 5 had substantially the same depth as the depth of the extra length of the shelves 2, the partition plate 5 is intended to have a surplus length receiving depth than the depth of the shelf 2, the partition plate 5 may be provided toward the back side from the front side of the surplus length shelf 2.
【0037】 [0037]
さらに、図6に示すように、余長収容棚2の奥行き未満の奥行きDを有する仕切り板5を設けて光ファイバ余長収容装置を構成してもよいし、図7に示すように、余長収容棚2の内側高さ未満の高さHを有する仕切り板5を設けて光ファイバ余長収容装置を構成してもよい。 Furthermore, as shown in FIG. 6, it may be composed of fiber excess length accommodating device is provided with a partition plate 5 having a depth D of less than the depth of the extra length of the shelves 2, as shown in FIG. 7, over the partition plate 5 having a height H of less than the inner height of the long shelf 2 may constitute an optical fiber excess length accommodating device is provided.
【0038】 [0038]
図6,7に示したように、仕切り板5の奥行きや高さを小さくした場合でも、光ファイバテープ心線1の余長部分の長さや余長部分収容形態によっては(例えば光ファイバテープ心線1の余長部分の長さがそれぼど長くなかったり、光ファイバテープ心線1の余長部分を余長収容棚2の手前側下部のみに収容したりする場合には)、光ファイバテープ心線1を予め定めた本数ごとに個別に対応する余長部分個別収容部20に的確に収容することができ、さらに、仕切り板5の奥行きや高さを小さくした分だけ、仕切り板5のサイズを小さくして、光ファイバ余長収容装置のコストを低減できる。 As shown in FIGS. 6 and 7, even when the small depth and height of the partition plate 5, the surplus length portion of the optical fiber ribbon 1 is the length and surplus portions containment configuration (for example, an optical fiber tape center or not as long it pot etc. the length of the surplus length portion of the wire 1, when or the surplus length portion of the optical fiber ribbon 1 containing only the front side bottom of the excessive length of the shelves 2), the optical fiber ribbon 1 can be accurately accommodated in surplus portions discrete receiving unit 20 individually corresponding to each predetermined number of the further amount corresponding with a reduced depth and height of the partition plate 5, the partition plate 5 the size and small, it is possible to reduce the cost of optical fiber excess length accommodating apparatus.
【0039】 [0039]
さらに、上記実施形態例では、1つの光ファイバ余長収容棚2を有する構成としたが、本発明の光ファイバ余長収容装置は、2つ以上の光ファイバ余長収容棚2を有する構成としてもよい。 Furthermore, a configuration in the above embodiment, a configuration having a single optical fiber excess length storage shelf 2, the optical fiber excess length accommodating device of the present invention, having two or more optical fiber excess length shelf 2 it may be.
【0040】 [0040]
さらに、上記実施形態例では、光ファイバケーブルから引き出された光ファイバは、光ファイバテープ心線1の形態で引き出されて光ファイバ余長収容装置に収容されていたが、光ファイバケーブルから引き出す光ファイバの形態は特に限定されるものではなく適宜設定されるものであり、例えば光ファイバを1本ずつ引き出してもよい。 Furthermore, in the above embodiment, the optical fiber drawn from the optical fiber cable is drawn out in the form of optical fiber ribbon 1 has been accommodated in the optical fiber excess length accommodating device, drawn from an optical fiber cable optical form of fibers are those that are set as appropriate is not particularly limited, for example, an optical fiber may be pulled out one by one.
【0041】 [0041]
【発明の効果】 【Effect of the invention】
本発明によれば、光ファイバ余長収容棚がそれぞれ間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板により仕切られて複数の区分領域が配列形成され、該それぞれの区分領域が光ファイバケーブルから引き出された光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に収容する余長部分個別収容部と成しているために、従来のように光ファイバの余長部分を収容するための空き心線箱がなくても、光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に収容することができる。 According to the present invention, the optical fiber excess length shelf is partitioned by a plurality of partition plates arranged laterally vertical posture over a respective interval plurality of segmented regions are arranged and formed, the respective partitioned regions for but which forms the extra length portion separately storing portion for storing separately for each one or more optical fibers group of predetermined extra length portion of the optical fiber drawn from an optical fiber cable, light as in the conventional without free core box for accommodating the extra length portion of the fiber can be accommodated separately for each one or more optical fibers group of predetermined extra length portion of the optical fiber.
【0042】 [0042]
したがって、空き心線箱に光ファイバ余長部分を8の字形に収容する場合と異なり、本発明の光ファイバ余長収容装置を用いることにより、光ファイバ余長部分の収容を非常に容易に行なうことができ、装置コストも安くできる。 Therefore, unlike the case of accommodating the optical fiber excess length portion 8 of the shaped the empty core box, by using an optical fiber excess length accommodating device of the present invention, very easily perform the housing of the optical fiber excess length portion it can be, can be cheaper unit cost. また、本発明において、前記余長部分個別収容部にそれぞれ光カプラユニットなどを設けることにより、光カプラユニットも区分け収容することが可能となり、光カプラユニットとの接続切り替えや、接続切り替え時の光ファイバ余長部分の収容を作業性良く行なうことができる。 In the present invention, by providing the like each optical coupler unit to the extra length portion discrete receiving unit, an optical coupler unit also becomes possible to partition housing, and connection switching the optical coupler unit, the light at the time of connection switching the accommodation of excess fiber length portion can be performed with high workability.
【0043】 [0043]
また、 本発明は、それぞれの余長収容棚の底部内壁と上部内壁の少なくとも一方には仕切り板をガイドするガイドレールが前記余長収容棚の手前側から奥側にかけて設けられており、前記仕切り板はガイドレールにスライド自在に設けられているので 、必要なところにだけ仕切り板を設け、仕切り板が不要となったときには、仕切り板を取り外すことができるため、仕切り板を無駄に配設することを防ぐことができる。 Further, the present invention is at least one of the bottom inner wall and the upper inner wall of each of the extra length shelf guide rails for guiding the partition plate is provided toward the rear side from the front side of the extra length of the shelves, the partition since the plate is provided slidably in the guide rail, a partition plate is provided only where needed, when the partition plate is no longer needed, it is possible to remove the partition plate, wastefully disposed partition plate it is possible to prevent that.
【0044】 [0044]
さらに、仕切り板は余長収容棚の奥行き以上の奥行きを有して余長収容棚の手前側から奥側にかけて設けられている本発明によれば、余長収容棚を手前側から奥側にかけて仕切り板によって仕切ることができるために、各余長部分個別収容部に収容される光ファイバ群が他の余長部分個別収容部に収容された光ファイバ群と干渉することが全くなく、光ファイバ群の個別収容をより一層確実なものとすることができる。 Furthermore, according partition plate has a depth more than the depth of the extra length shelf from the front side of the extra length shelves to the present invention which is provided toward the inner side, toward the back side of the extra-length shelf from the front side in order to be able to partition by the partitioning plate, at all without the surplus portions optical fiber group housed in separate housing part interferes with the accommodated optical fiber group to the other surplus length portion discrete receiving portion, the optical fiber it is possible to separate accommodation of the group more made more reliable.
【0045】 [0045]
さらに、余長収容棚の奥行き未満の奥行きを有する仕切り板が設けられている本発明や、それぞれの余長収容棚の内側高さ未満の高さを有する仕切り板が設けられている本発明によれば、光ファイバの余長部分の長さや余長部分収容形態によっては、光ファイバ群の個別収容部を的確にすることができるし、仕切り板の奥行きや高さを小さくした分だけ、仕切り板のサイズを小さくして、光ファイバ余長収容装置のコストを低減できる。 Furthermore, the present invention and the partition plate is provided with a depth less than the depth of the extra length of the shelves, the present invention the partition plate is provided with an inner height less than the height of each extra-length shelf According, the length and surplus portions accommodate the form of surplus portions of the optical fibers, it can be to accurately discrete receiving portion of the optical fiber group, by the amount of reduced depth and height of the partition plate, the partition by reducing the size of the plate, it is possible to reduce the cost of optical fiber excess length accommodating apparatus.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】本発明に係る光ファイバ余長収容装置の一実施形態例を示す要部構成図である。 1 is a main part configuration diagram showing an embodiment of an optical fiber excess length accommodating apparatus according to the present invention.
【図2】 図2の(a)は、上記実施形態例および本発明に係る光ファイバ余長収容装置の他の実施形態例における仕切り板配設構成を、図1の(a)のA枠内部分を拡大することによって示す正面図であり、図2の(b)は、仕切り板配設構成の参考図である。 (A) in FIG. 2, A frame partition plate arrangement configuration of another embodiment of an optical fiber excess length accommodating apparatus according to the embodiment and the present invention, shown in FIG. 1 (a) Ri front view showing by enlarging the inner part, in FIG. 2 (b), Ru reference diagram der partition plate disposed configuration.
【図3】上記実施形態例の仕切り板の奥行き構成を、上記実施形態例の光ファイバ余長収容装置に光カプラユニットを設けた状態で示す説明図である。 [3] the depth structure of the partition plate in the above embodiment is an explanatory view showing a state in which a light coupler unit to the optical fiber excess length accommodating device of the above embodiment.
【図4】上記実施形態例の光ファイバ余長収容装置に光カプラユニット9を設け、光カプラユニット9を介してケーブル側の光ファイバテープ心線1をアダプタユニット4に接続する例を示す説明図である。 [4] The optical coupler unit 9 provided on the optical fiber excess length accommodating device of the above embodiment, an example of connecting the optical fiber ribbon 1 of the cable side to the adapter unit 4 via the optical coupler unit 9 described it is a diagram.
【図5】本発明に係る光ファイバ余長収容装置の他の実施形態例を示す説明図である。 FIG. 5 is an explanatory view showing another embodiment of an optical fiber excess length accommodating apparatus according to the present invention.
【図6】本発明に係る光ファイバ余長収容装置のさらに他の実施形態例を示す説明図である。 6 is an explanatory view showing still another embodiment of an optical fiber excess length accommodating apparatus according to the present invention.
【図7】本発明に係る光ファイバ余長収容装置のさらにまた他の実施形態例を示す説明図である。 7 is an explanatory diagram further also shows another embodiment of an optical fiber excess length accommodating apparatus according to the present invention.
【図8】従来の光ファイバ余長収容装置の例を示す説明図である。 8 is an explanatory diagram showing an example of a conventional optical fiber excess length accommodating apparatus.
【図9】従来の光ファイバ余長収容装置に光カプラユニット9と空き心線箱12を共に設ける場合の光カプラユニット9と空き心線箱12の接続例(a)と、従来の光ファイバ余長収容装置における光カプラユニット9および空き心線箱12の配置例を示す説明図(b)である。 [9] Connection example of a conventional optical fiber excess length accommodating device optical coupler unit 9 and the optical coupler unit 9 and the free core box 12 when empty core box 12 is provided together with (a), a conventional optical fiber is an explanatory view showing an arrangement example of the optical coupler unit 9 and the free core box 12 in extra-length housing unit (b).
【図10】従来の光ファイバ余長収容装置における光カプラユニット9を介してのケーブル側光ファイバテープ心線1のアダプタユニット4への接続例を示す説明図である。 10 is an explanatory view showing an example of connection to a conventional adapter unit 4 of the cable-side optical fiber ribbon 1 via an optical coupler unit 9 in the optical fiber excess length accommodating apparatus.
【符号の説明】 DESCRIPTION OF SYMBOLS
1 光ファイバテープ心線2 余長収容棚3 端末コネクタ4 アダプタボックス5 仕切り板6 光カプラ側コネクタ7 ガイドレール8 嵌合溝9 光カプラユニット10 光スイッチ13 カプラ側光ファイバテープ心線20 余長部分個別収容部 1 optical fiber ribbon 2 extra length shelf 3 terminal connector 4 Adapter box 5 partition plate 6 optical coupler connector 7 guide rails 8 fitting groove 9 optical coupler unit 10 the optical switch 13 coupler side optical fiber ribbon 20 extra-length part discrete receiving part

Claims (4)

  1. 上部壁と底部壁と横方向の端部の壁を有して手前側の端面が開口されている箱状の光ファイバ余長収容棚を1つ以上有し、該光ファイバ余長収容棚の箱状の内部空間がそれぞれ間隔を介して縦向き姿勢で横方向に配列された複数の仕切り板により仕切られ、それぞれの光ファイバ余長収容棚に前記仕切り板により区分されて手前側が開口状態の空間部から成る複数の区分領域が配列形成されており、該それぞれの区分領域が光ファイバケーブルから引き出された光ファイバの余長部分を予め定めた1本以上の光ファイバ群ごとに個別に前記区分領域の前記手前側の開口から挿入して該区分領域の空間に非拘束状態で収容する余長部分個別収容部と成しており、前記それぞれの余長収容棚の底部内壁と上部内壁の少なくとも一方には仕切り板を A top wall and a bottom wall and lateral have wall end and a front end face a box-like optical fiber excess length shelf which is open in one or more of the optical fiber excess length shelf partitioned by a box-like plurality of partition plates which the interior space is arranged laterally vertical posture via the respective interval is divided Ri by the partition plate to the respective optical fiber excess length accommodating shelf front opening a plurality of segmented regions Ru from the space portion formed in the state are arranged and formed, for each one or more optical fibers group of predetermined extra length portion of the optical fiber drawn each segmented region said from the optical fiber cable and forms an extra length portion separately accommodating portion for accommodating a non-constrained state in the space of individually the division area the front said section area is inserted from the opening of the bottom inner wall of the extra length shelf of the respective a partition plate is at least one of the upper inner wall イドするガイドレールが前記余長収容棚の手前側から奥側にかけて設けられており、前記仕切り板はガイドレールにスライド自在に設けられていることを特徴とする光ファイバ余長収容装置。 Id guide rails are provided toward the back side from the front side of the extra length of the shelves, the partition plate is the optical fiber excess length accommodating apparatus which is characterized in that provided slidably in the guide rail.
  2. 仕切り板は余長収容棚の奥行き以上の奥行きを有して余長収容棚の手前側から奥側にかけて設けられていることを特徴とする請求項1記載の光ファイバ余長収容装置。 Partition plate according to claim 1 Symbol placement of the optical fiber excess length accommodating device, characterized in that it is provided toward the rear side from the front side of the extra length of the shelves have a depth more than the depth of the extra-length shelf.
  3. 余長収容棚の奥行き未満の奥行きを有する仕切り板が設けられていることを特徴とする請求項1記載の光ファイバ余長収容装置。 Extra length shelf of claim 1 Symbol placement of the optical fiber excess length accommodating device, characterized in that the partition plate is provided with a depth of less than the depth.
  4. それぞれの余長収容棚の内側高さ未満の高さを有する仕切り板が設けられていることを特徴とする請求項1記載の光ファイバ余長収容装置。 Each of claim 1 Symbol placement of the optical fiber excess length accommodating device, characterized in that the partition plate is provided with an inner height less than the height of the extra length shelf.
JP34432999A 1999-12-03 1999-12-03 Optical fiber excess length accommodating device Active JP3794540B2 (en)

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