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JPH0350242B2 - - Google Patents

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Publication number
JPH0350242B2
JPH0350242B2JP57044641AJP4464182AJPH0350242B2JP H0350242 B2JPH0350242 B2JP H0350242B2JP 57044641 AJP57044641 AJP 57044641AJP 4464182 AJP4464182 AJP 4464182AJP H0350242 B2JPH0350242 B2JP H0350242B2
Authority
JP
Japan
Prior art keywords
optical fiber
optical
housing
cassette
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP57044641A
Other languages
Japanese (ja)
Other versions
JPS58162918A (en
Inventor
Sakae Yoshizawa
Hisaya Tanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP57044641ApriorityCriticalpatent/JPS58162918A/en
Publication of JPS58162918ApublicationCriticalpatent/JPS58162918A/en
Publication of JPH0350242B2publicationCriticalpatent/JPH0350242B2/ja
Grantedlegal-statusCriticalCurrent

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Description

Translated fromJapanese

【発明の詳細な説明】〔産業上の利用分野〕 本発明は光通信システムに関し、特に光フイア
バケーブルの接続部を収容保護する光フアイバ接
続部容装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an optical communication system, and more particularly to an optical fiber connecting part housing device for accommodating and protecting a connecting part of an optical fiber cable.

光通信システムには光フアイバケーブル(以下
単に「光ケーブル」と略記)が用いられるが、光
ケーブルどうしの接続が重要な技術である。例え
ば屋外光ケーブルと屋内光ケーブルとでは、一般
に使用環境の相違から強度等の異なる別規格の光
ケーブルが使用され、それらを接続してやる必要
がある。
Optical fiber cables (hereinafter simply referred to as "optical cables") are used in optical communication systems, and connecting optical cables to each other is an important technology. For example, for outdoor optical cables and indoor optical cables, optical cables of different standards with different strengths and the like are generally used due to the difference in usage environment, and it is necessary to connect them.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

光ケーブルの接続は、接続すべき光ケーブルの
端部を端末処理して光フアイバを裸にし、融着接
合を行う。この場合、光フアイバ接続部は強度が
弱いので、光ケーブル端部を固定すると共に、光
フアイバ接続部をも固定する必要がある。また、
光フアイバの接続作業の都合上、光ケーブルの端
末処理の際に約1.5m程度のフアイバ余長をとる
が、接続作業終了後にこのフアイバ余長を収容す
ることが必要である。更に、光通信システムは一
般に多数の回線系統を含み、光ケーブルの接続作
業や保守作業には大変な労力が必要であり、その
省力化が重要な課題となつている。
To connect optical cables, the ends of the optical cables to be connected are processed to expose the optical fibers, and fusion splicing is performed. In this case, since the strength of the optical fiber connection part is weak, it is necessary to fix the optical fiber connection part as well as the end part of the optical cable. Also,
Due to the convenience of the optical fiber connection work, approximately 1.5 m of extra fiber length is required when the optical cable is terminated, but it is necessary to accommodate this extra fiber length after the connection work is completed. Furthermore, optical communication systems generally include a large number of line systems, and connecting and maintaining optical cables requires a great deal of labor, making labor saving an important issue.

本発明は、上記事情に鑑み、光ケーブルの接続
部の収容保護のために光ケーブルの端部を固定す
る機能と、光フアイバの接続部を固定する機能
と、光フアイバの余長を収容する機能とを具え、
且つコンパクトで、機能的に光ケーブル接続作業
及び保守作業をなし得るような構成を具えた新規
な光フアイバ接続部収容装置を提供することを目
的とするものである。
In view of the above circumstances, the present invention has a function of fixing the end of an optical cable to accommodate and protect the connecting part of the optical cable, a function of fixing the connecting part of the optical fiber, and a function of accommodating the extra length of the optical fiber. Equipped with
It is an object of the present invention to provide a novel optical fiber connection part housing device that is compact and has a configuration that allows optical cable connection work and maintenance work to be performed functionally.

〔問題点を解決するための手段〕[Means for solving problems]

本発明による光フアイバ接続部収容装置は、概
略的には、上下にそれぞれ光フアイバケーブルを
固定した導入する導入部と、内部に上記光フアイ
バケーブルの端末部から引き出された複数本の光
フアイバの余長を共通に巻回保持する保持部と、
該巻回される光フアイバの巻回径内に巻回直径方
向に並列させて複数の該光フアイバの接続部を
個々に固定する光フアイバ接続部固定部とを有す
るカセツト型光フアイバ接続箱、および該カセツ
ト型光フアイバ接続箱を光フアイバ巻回面が平行
するように個々にスライド式に出し入れ可能に支
持収容するガイド機構と、該接続箱の収容位置の
上部に必要とする光回路の光フアイバの接続並び
に切離しを可能とするための光コネクタ支持用の
ブラケツトとを有するカセツト型光フアイバ接続
箱収容筐体から構成されたものである。
The optical fiber connection housing device according to the present invention generally includes an introduction section in which optical fiber cables are fixed on the upper and lower sides, and a plurality of optical fibers pulled out from the terminal section of the optical fiber cable inside. a holding part that commonly winds and holds the excess length;
a cassette-type optical fiber connection box having an optical fiber connection part fixing part for individually fixing connection parts of a plurality of optical fibers arranged in parallel in the winding diameter direction within the winding diameter of the optical fiber to be wound; and a guide mechanism for supporting and accommodating the cassette-type optical fiber junction box so that the optical fiber winding surfaces are parallel to each other so that they can be slid in and out individually, and a light circuit for the optical circuit required above the housing position of the junction box. It is composed of a cassette-type optical fiber connection box accommodating housing having a bracket for supporting an optical connector to enable connection and disconnection of fibers.

〔実施例〕〔Example〕

以下、本発明の一実施例につき図面を参照して
詳細に説明する。
Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

本発明による光フアイバ接続部収容装置の一実
施例を第1図及び第2図に示してある。第1図
中、符号1は筐体(一部破断して示す)を示し、
これは建造物の壁面や、フレーム、その他の適当
な支持構造体(図示せず)に固定される。筐体1
内には、複数のカセツト型光フアイバ接続箱(ス
プライシングカセツト(以下単に「カセツト」と
略器)10が収容される。
An embodiment of an optical fiber connection housing device according to the present invention is shown in FIGS. 1 and 2. In FIG. 1, reference numeral 1 indicates a housing (partially shown broken);
It is secured to a building wall, frame, or other suitable support structure (not shown). Housing 1
A plurality of cassette-type optical fiber splicing boxes (splicing cassettes (hereinafter simply referred to as "cassettes") 10 are housed inside.

第2図はカセツト10の構造を示す。図中、符
号11はカバーを外した状態のカセツト本体を示
し、符号12はハンドルを示す。また符号13,
14は相互に接続される光ケーブル(例えば屋外
光ケーブル及び屋内光ケーブル)を示し、両光ケ
ーブル13,14はカセツト本体11内にそれの
下側及び上側の光ケーブル導入部11A,11B
から導入される。光ケーブル導入部11A及び1
1Bにはそれぞれケーブル固定金具15,16が
設けられ、各光ケーブル13,14は先端から約
1.5m程度の長さを余して固定金具15,16に
よつて固定される。そして両ケーブル13,14
はその余長部を端末処理して光フアイバコード部
13a,14aを露出させ、更にその先端部を端
末処理して裸にし、これを融着接合(スプライシ
ング)することにより接続される。第2図中、符
号17が光フアイバ接続部を示す。尚、光フアイ
バ接続部17は、光フアイバが裸のままでは強度
が弱いので、樹脂等で補強される。カセツト本体
11の内室中央部には光フアイバの巻回径内に巻
回直径方向に光フアイバ接続部が並列するよう固
定金具18が設けられており、これに光フアイバ
接続部17が固定される。一方、固定金具18の
周辺には複数の金具19が配設され、光フアイバ
余長部13a,14aは一定以上の直径(一般に
は60mm以上)で巻かれて金具19に保持された状
態カセツト本体11内に収容される。
FIG. 2 shows the structure of the cassette 10. In the figure, reference numeral 11 indicates the cassette body with the cover removed, and reference numeral 12 indicates the handle. Also, code 13,
Reference numeral 14 indicates optical cables (for example, an outdoor optical cable and an indoor optical cable) that are connected to each other, and both optical cables 13 and 14 are provided in the lower and upper optical cable introduction portions 11A and 11B within the cassette body 11.
introduced from. Optical cable introduction part 11A and 1
1B is provided with cable fixing fittings 15 and 16, respectively, and each optical cable 13 and 14 is approximately
It is fixed with fixing fittings 15 and 16 with a length of about 1.5 m left. And both cables 13, 14
are connected by processing the ends of the extra lengths to expose the optical fiber cord parts 13a and 14a, further processing the ends thereof to make them bare, and splicing them. In FIG. 2, reference numeral 17 indicates an optical fiber connection portion. Incidentally, since the strength of the optical fiber connecting portion 17 is weak if the optical fiber is left bare, it is reinforced with resin or the like. A fixing metal fitting 18 is provided in the center of the interior of the cassette body 11 so that the optical fiber connection parts are parallel to each other in the winding diameter direction within the winding diameter of the optical fiber, and the optical fiber connection part 17 is fixed to this metal fitting 18. Ru. On the other hand, a plurality of metal fittings 19 are arranged around the fixing metal fitting 18, and the optical fiber extra length portions 13a, 14a are wound to a diameter of a certain value or more (generally 60 mm or more) and held by the metal fittings 19. It is housed within 11.

第1図に示すように、カセツト10は筐体1内
にカセツト本体11の下部が筐体1の底壁のガイ
ド溝3にスライド自在に挿入された状態で収容さ
れ、筐体1のカバー2を開ければカケツト10を
個々に矢印Aで示す如く前後に出し入れ可能とな
つている。なお、収容状態でカセツト11が働く
のを防止するために、カセツト本体11をネジ
(図示せず)で筐体1に固定することも可能であ
る。収容状態において、屋内光ケーブル14は筐
体1内で他の光ケーブル(図示せず)に接続され
る。このため、必要な光回路(回線)の接続、切
換えが可能なように、図示実施例の場合は屋内光
ケーブル14に光コネクタ20,21を設けて接
続及び切離しが簡便なようにしてある。また筐体
1あるいはこれを支持する構造体にブラケツト4
を設けてこれを屋外光ケーブル13をクランプす
ると共に、筐体1内の接続箱収容位置の上方位置
にブラケツト5を設けてこれに屋内光ケーブル1
4をクランプするようにしてある。
As shown in FIG. 1, the cassette 10 is housed in the casing 1 with the lower part of the cassette body 11 slidably inserted into the guide groove 3 on the bottom wall of the casing 1. When opened, the buckets 10 can be taken in and out individually as shown by arrows A. Incidentally, in order to prevent the cassette 11 from working in the housed state, the cassette main body 11 can be fixed to the housing 1 with screws (not shown). In the housed state, the indoor optical cable 14 is connected to other optical cables (not shown) within the housing 1. Therefore, in the illustrated embodiment, the indoor optical cable 14 is provided with optical connectors 20 and 21 to facilitate connection and disconnection of the necessary optical circuits (lines). In addition, a bracket 4 is attached to the housing 1 or the structure that supports it.
A bracket 5 is provided above the junction box storage position in the housing 1 to clamp the outdoor optical cable 13.
4 is clamped.

更に、カセツト10は筐体1内に光フアイバ巻
回面が平行するように複数個設けられ、光ケーブ
ルは各カセツトに回線系統別に収容される。かか
る構成によれば、光ケーブルの接続に際してカセ
ツトを順次出し入れして回線系統別に順次能率的
に行うことができ、また回線保守に際しては必要
なカセツトだけを引き出して他の回線系統に影響
を与えることなく作業することができるので、誤
つて回線系統に損傷を与えるという事故を防止で
きる。
Further, a plurality of cassettes 10 are provided in the housing 1 so that the optical fiber winding surfaces are parallel to each other, and optical cables are housed in each cassette according to line system. According to this configuration, when connecting an optical cable, it is possible to efficiently insert and remove cassettes for each line system in sequence, and when performing line maintenance, it is possible to pull out only the necessary cassettes without affecting other line systems. This prevents accidental damage to the line system.

〔発明の効果〕〔Effect of the invention〕

以上のように、本発明による光フアイバ接続部
収容装置は、カセツトが光フアイバケーブルの接
続に必要な光ケーブル端部の固定、光フアイバ接
続部の固定、及び光フアイバ余長の収容の各機能
を具備し、信頼性の高い光ケーブル接続が可能で
ある。
As described above, in the optical fiber connection part accommodating device according to the present invention, the cassette has the functions of fixing the optical cable end, fixing the optical fiber connection part, and accommodating the extra length of the optical fiber necessary for connecting the optical fiber cable. This enables highly reliable optical cable connections.

また、複数のカセツトを筐体に収容してあるこ
とから多数の回線に対応可能であると共に回線を
系統別にカセツトに収容でき、しかもカセツトを
筐体内に個々にスライド式に出し入れ可能に収容
する構造としたことにより、接続作業及び保守作
業における能率向上及び事故防止を実現すること
ができる。
In addition, since multiple cassettes are housed in the housing, it is possible to accommodate a large number of lines, and lines can be housed in cassettes for each system, and the cassettes can be individually slid in and out of the housing. By doing so, it is possible to improve efficiency and prevent accidents in connection work and maintenance work.

更に、カセツト内において光フアイバの巻回直
径内に光フアイバ接続部を並列して固定するよう
にしたことによりカセツト自体の小型化が可能で
あり、また複数のカセツトを光フアイバ巻回面が
平行するように一つの筐体内に収容したことによ
り光フアイバ接続部収容装置全体をコンパクトな
ものにできる。
Furthermore, by fixing the optical fiber connection parts in parallel within the winding diameter of the optical fiber within the cassette, the cassette itself can be made smaller, and multiple cassettes can be arranged so that the optical fiber winding surfaces are parallel to each other. By accommodating the optical fiber connection part in one housing, the entire optical fiber connection part accommodation device can be made compact.

更にまた、筐体内部のカセツト収容位置の上方
位置にコネクタを設けて必要な回線の接続、切離
しを可能としたことにより、高い機能性を実現で
きる。
Furthermore, high functionality can be achieved by providing a connector above the cassette storage position inside the housing to enable connection and disconnection of necessary lines.

【図面の簡単な説明】[Brief explanation of drawings]

図面は本発明の光フアイバ接続部収容装置の一
実施例を示し、第1図はカセツト型光フアイバ接
続箱を筐体に収容した状態の一部断面斜視図、第
2図はカセツト型光フアイバ接続箱のカバーを外
した状態の斜視図である。 1……筐体、2……カバー、3……ガイド溝、
10……カセツト型光フアイバ接続箱(カセツ
ト)、11……カセツト本体、12……ハンドル、
13,14……光フアイバケーブル、13a,1
4a……光フアイバコード(光フアイバ余長部)、
15,16……ケーブル固定金具、17……光フ
アイバ接続部、18……光フアイバ接続部固定金
具、19……光フアイバ余長部保持金具。
The drawings show an embodiment of the optical fiber connection housing device of the present invention, FIG. 1 is a partial cross-sectional perspective view of a cassette-type optical fiber connection box accommodated in a casing, and FIG. 2 is a cassette-type optical fiber connection box accommodated in a housing. FIG. 3 is a perspective view of the junction box with the cover removed. 1... Housing, 2... Cover, 3... Guide groove,
10...Cassette type optical fiber connection box (cassette), 11...Cassette body, 12...Handle,
13, 14...Optical fiber cable, 13a, 1
4a...Optical fiber cord (optical fiber extra length),
15, 16... Cable fixing fitting, 17... Optical fiber connection part, 18... Optical fiber connection part fixing fitting, 19... Optical fiber extra length holding fitting.

Claims (1)

Translated fromJapanese
【特許請求の範囲】1 (イ) 上下にそれぞれ光フアイバケーブルを固
定して導入する導入部と、内部に上記光フアイ
バケーブルの端末部から引き出された複数本の
光フアイバの余長を共通に巻回保持する保持部
と、該巻回される光フアイバの巻回径内に巻回
直径方向に並列させて複数の該光フアイバの接
続部を個々に固定する光フアイバ接続部固定部
とを有するカセツト型光フアイバ接続箱、およ
び(ロ) 上記カセツト型光フアイバ接続箱を光フアイ
バ巻回面が平行するように個々にスライド式に
出し入れ可能に支持収容するガイド機構と、該
接続箱の収容位置の上部に必要とする光回路の
光フアイバの接続並びに切離しを可能とするた
めの光コネクタ支持用のブラケツトとを有する
カセツト型光フアイバ接続箱収容筐体、からなることを特徴とする光フアイバ接続部収容
装置。
[Scope of Claims] 1 (a) An introduction section into which optical fiber cables are fixedly introduced at the upper and lower sides, and a common surplus length of a plurality of optical fibers pulled out from the terminal section of the optical fiber cables inside. A holding part that holds the wound optical fiber; and an optical fiber connection part fixing part that individually fixes the connection parts of a plurality of optical fibers arranged in parallel in the winding diameter direction within the winding diameter of the optical fiber to be wound. and (b) a guide mechanism for supporting and accommodating the cassette-type optical fiber junction box so that the optical fiber winding surfaces thereof can be individually slid in and out so that the optical fiber winding surfaces are parallel, and housing of the junction box. A cassette type optical fiber junction box housing housing having a bracket for supporting an optical connector to enable connection and disconnection of optical fibers of a required optical circuit at the upper part of the position. Connection housing device.
JP57044641A1982-03-231982-03-23 fiber optic junction boxGrantedJPS58162918A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP57044641AJPS58162918A (en)1982-03-231982-03-23 fiber optic junction box

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP57044641AJPS58162918A (en)1982-03-231982-03-23 fiber optic junction box

Publications (2)

Publication NumberPublication Date
JPS58162918A JPS58162918A (en)1983-09-27
JPH0350242B2true JPH0350242B2 (en)1991-08-01

Family

ID=12697051

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP57044641AGrantedJPS58162918A (en)1982-03-231982-03-23 fiber optic junction box

Country Status (1)

CountryLink
JP (1)JPS58162918A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4630886A (en)*1984-04-161986-12-23At&T Bell LaboratoriesLightguide distributing unit
JPS6155316A (en)*1984-08-281986-03-19Nissan Motor Co LtdSupercharging pressure controller
JPS6155607A (en)*1984-08-281986-03-20Fujitsu Ltd optical distribution board
JP2561804Y2 (en)*1990-07-161998-02-04株式会社昭電 Fiber optic cable distributor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS5432140U (en)*1977-08-061979-03-02

Also Published As

Publication numberPublication date
JPS58162918A (en)1983-09-27

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