JPH0542403Y2 - - Google Patents
Info
- Publication number
- JPH0542403Y2 JPH0542403Y2 JP1985128664U JP12866485U JPH0542403Y2 JP H0542403 Y2 JPH0542403 Y2 JP H0542403Y2 JP 1985128664 U JP1985128664 U JP 1985128664U JP 12866485 U JP12866485 U JP 12866485U JP H0542403 Y2 JPH0542403 Y2 JP H0542403Y2
- Authority
- JP
- Japan
- Prior art keywords
- grooves
- optical fiber
- fixing part
- splice fixing
- optical
- 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
Links
- 239000013307 optical fiber Substances 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 description 12
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、海底光中継器等の光フアイバーの余
長構造に関し、特に各種の長さの余長を自由に処
理でき、しかもスプライス後にねじれなく収容で
きる円弧溝を設けた光フアイバー余長処理構造に
関するものである。[Detailed description of the invention] [Industrial field of application] The present invention relates to the extra length structure of optical fibers in submarine optical repeaters, etc., and in particular allows for freely handling extra lengths of various lengths, and also prevents twisting after splicing. This invention relates to an optical fiber surplus length processing structure provided with an arcuate groove that can be accommodated without any problems.
［従来の技術］
光通信システムにおいては、光フアイバーを装
置内の光通信ユニツトに接続する場合、光フアイ
バーに余長を設けることが必要であり、一般にそ
の余長処理は装置内で行なつていることは周知で
ある。ところが、海底光中継器等にあつては、ス
ペース関係上、装置内において余長処理が行なえ
ないため装置外において行なう必要がある。[Prior Art] In an optical communication system, when connecting an optical fiber to an optical communication unit in a device, it is necessary to provide an extra length in the optical fiber, and generally the extra length is processed in the device. It is well known that there are. However, in the case of submarine optical repeaters and the like, the extra length cannot be processed within the equipment due to space considerations, so it must be done outside the equipment.
［解決すべき問題点］
しかしながら海底中継器等では装置外スペース
が限られているため、余長処理構造の小型化が必
要である。[Problems to be Solved] However, since the space outside the device is limited in submarine repeaters and the like, it is necessary to downsize the surplus length processing structure.
また余長処理構造は、ただ単に余長を収容する
ばかりでなく、スプライス後の収容においてフア
イバーにねじれ等の力が加わらないように収容で
きるものでなくてはならない。しかも海底中継器
等のように長期的に特性を保証しなければならな
いものについては、特に重要である。 Furthermore, the extra length processing structure must not only accommodate the extra length, but also be able to accommodate the fiber without applying twisting or other forces during accommodation after splicing. Furthermore, this is particularly important for items such as submarine repeaters whose characteristics must be guaranteed over a long period of time.
しかしながら従来上記問題を解決するような構
造がないという問題点があつた。 However, there has been a problem in the past that there is no structure that can solve the above problems.
［問題点の解決手段］
本考案は、上記問題点を解決したものであり、
装置内のユニツト接続された光フアイバー余長を
処理する構造であつて、該余長を処理する部材の
長手方向に二条の溝を形成し、該二条の溝間の中
央突出部にスプライス固定部を設け、該スプライ
ス固定部の長手方向両側に前記二条の溝と交わる
連絡溝を設けるとともに、前記中央突出部の前記
スプライス固定部を除く部分に該スプライス固定
部を中心とした所定半径を有する１対の円弧溝と
該１対の円弧溝の一方と対向する他の円弧溝とを
設けた構成としてなるものである。[Means for solving the problems] The present invention solves the above problems,
This is a structure for processing the excess length of the optical fiber connected to the unit in the device, in which two grooves are formed in the longitudinal direction of the member for processing the excess length, and a splice fixing part is provided at the central protrusion between the two grooves. a communication groove intersecting with the two grooves on both longitudinal sides of the splice fixing part, and having a predetermined radius centered on the splice fixing part in a portion of the central protrusion excluding the splice fixing part. It has a configuration in which a pair of arcuate grooves and another arcuate groove facing one of the pair of arcuate grooves are provided.
［実施例］
次に、その実施例を第１図、第２図と共に説明
する。[Example] Next, an example will be described with reference to FIGS. 1 and 2.
第１図及び第２図は夫々本考案に係る光フアイ
バーの余長処理構造の一実施例を示す平面図及び
側面図である。 FIGS. 1 and 2 are a plan view and a side view, respectively, showing an embodiment of an optical fiber surplus length processing structure according to the present invention.
第１図、第２図中、１１は回路ユニツトケー
ス、１２は余長を処理するための余長収容ボツク
スであり、余長収容ボツクス１２はスタツド１９
により保持される。余長収容ボツクス１２には以
下符号１０ａ，１０ｂ〜２１の部品が設けられ
る。 In FIGS. 1 and 2, 11 is a circuit unit case, 12 is a surplus length storage box for processing surplus length, and surplus length storage box 12 is a stud 19.
is held by The extra length storage box 12 is provided with parts 10a, 10b to 21 below.
１０ａ，１０ｂは長手方向二条の溝、１３は光
部品、１４はスプライス固定部、１５ａ，１５ｂ
はスプライス固定部１４を中心とした所定半径を
有する円弧溝、１６は円弧溝１５ｂと対向する円
弧溝、１７ａ，１７ｂはスプライス固定部１４と
長手方向二条の溝１０ａ，１０ｂとを連絡する溝
である。又１８はフアイバー保護のためのクツシ
ヨン、２０ａ，２０ｂは光フアイバー、２１はフ
タである。 10a, 10b are two longitudinal grooves, 13 is an optical component, 14 is a splice fixing part, 15a, 15b
16 is a circular arc groove having a predetermined radius centered on the splice fixing part 14, 16 is a circular arc groove facing the circular arc groove 15b, and 17a and 17b are grooves connecting the splice fixing part 14 and the two longitudinal grooves 10a and 10b. be. Further, 18 is a cushion for protecting the fibers, 20a and 20b are optical fibers, and 21 is a lid.
余長収容ボツクス１２内に所定の曲率半径、た
とえば半径30mm以上を有する円弧溝１５ａ，１５
ｂ，１６及び長手方向溝１０ａ，１０ｂを設け、
また余長収容ボツクス１２の中央部に光部品１３
を設け、光部品１３から出る光フアイバー２０ｂ
を所定半径を保ちつつ余長収容ボツクス１２へ導
く。 Circular grooves 15a, 15 having a predetermined radius of curvature, for example, a radius of 30 mm or more, are provided in the extra length storage box 12.
b, 16 and longitudinal grooves 10a, 10b,
In addition, an optical component 13 is placed in the center of the extra length storage box 12.
and an optical fiber 20b coming out from the optical component 13.
is guided to the extra length storage box 12 while maintaining a predetermined radius.
一方ケース１１内に装着されている光部品から
の光フアイバ２０ａを所定曲率半径を保ちつつ、
接続される光部品１３の光フアイバー２０ｂと対
向するように余長収容ボツクス１２の溝１０ａ，
１０ｂへ入れる。 On the other hand, while maintaining the predetermined radius of curvature of the optical fiber 20a from the optical component installed in the case 11,
The groove 10a of the extra length storage box 12 faces the optical fiber 20b of the optical component 13 to be connected.
Put it in 10b.
溝１０ａ，１０ｂ，１５ａ，１５ｂにフアイバ
ーを巻きつけ接続位置を決定した後、溝１５ａに
ある光フアイバーを溝１６に移すことにより、余
つた光フアイバーを所用長さまで引き出し、光部
品相互間のフアイバー接続補強を行い、スプライ
ス固定部１４にて固定する。又逆に溝１６にある
光フアイバーを溝１５ａに戻すことにより、余長
収容ボツクス１２に収容する。これによりフアイ
バーに起るよじれを極力少なくすることができ
る。 After winding the fibers around the grooves 10a, 10b, 15a, and 15b and determining the connection position, the optical fiber in the groove 15a is moved to the groove 16, thereby pulling out the excess optical fiber to the required length and connecting the fiber between the optical components. The connection is reinforced and fixed using the splice fixing part 14. Conversely, by returning the optical fiber in the groove 16 to the groove 15a, it is accommodated in the extra length storage box 12. This makes it possible to minimize twisting of the fibers.
また余長が短い場合は円状溝にそつて収容し、
長い場合はトラツク状溝にそつて収容することに
より長さの異なる余長に応じて適正かつ整然に処
理するようにしている。 Also, if the extra length is short, store it along the circular groove,
If the material is long, it is stored along the track-like groove so that it can be properly and orderly processed according to the different lengths.
この場合光フアイバー２０ａ，２０ｂの収容巻
き数は余長収容ボツクス１２の大きさに応じて多
い方が余長収容作業としては有利とされている。
また溝に入れられている光フアイバが振動、衝撃
等により損傷しないようにクツシン１８等で保護
し上からフタ２１にて固定するようにしている。 In this case, it is considered advantageous for the surplus length storage work to have a larger number of turns of the optical fibers 20a, 20b depending on the size of the surplus length storage box 12.
Further, the optical fiber placed in the groove is protected with a cushion 18 or the like so that it is not damaged by vibrations, shocks, etc., and is fixed with a lid 21 from above.
［考案の効果］
以上説明したように、本考案による光フアイバ
ー余長処理構造によれば、従来の光フアイバーの
余長処理方法に比べて簡単で小型であり、システ
ム数増加に伴なう多数の長さの異なる光フアイバ
ーの余長処理が可能であり、光フアイバーに損傷
を与えることなくしかも収容による光フアイバー
のねじれを極力少なくすることにより、確実かつ
容易に余長処理を行なうことが可能となり、高信
頼度な光通信特性向上が期待できる。[Effects of the invention] As explained above, the optical fiber surplus length processing structure according to the present invention is simpler and more compact than the conventional optical fiber surplus length processing method, and is easy to use as the number of systems increases. It is possible to process the excess length of optical fibers of different lengths, and it is possible to process the excess length reliably and easily without damaging the optical fiber and by minimizing twisting of the optical fiber due to storage. Therefore, it is expected that highly reliable optical communication characteristics will be improved.
第１図及び第２図は夫々本考案に係る光フアイ
バーの余長処理構造の一実施例を示す平面図及び
側面図である。
１０ａ，１０ｂ……長手方向二条の溝、１１…
…ケース、１２……余長収容ボツクス、１３……
光部品、１４……スプライス固定部、１５ａ，１
５ｂ……１対の円弧溝、１６……対向する溝、１
７ａ，１７ｂ……連絡溝、１８……クツシヨン、
１９……スタツド、２０ａ，２０ｂ……光フアイ
バー、２１……フタ。
1 and 2 are a plan view and a side view, respectively, showing an embodiment of an optical fiber surplus length processing structure according to the present invention. 10a, 10b...two grooves in the longitudinal direction, 11...
...Case, 12...Excess length storage box, 13...
Optical component, 14... Splice fixing part, 15a, 1
5b... A pair of circular arc grooves, 16... Opposing grooves, 1
7a, 17b... Communication groove, 18... Cushion,
19... Stud, 20a, 20b... Optical fiber, 21... Lid.
Claims (1)
を処理する構造であつて、該余長を処理する部材
の長手方向に二条の溝を形成し、該二条の溝間の
中央突出部にスプライス固定部を設け、該スプラ
イス固定部の長手方向両側に前記二条の溝と交わ
る連絡溝を設けるとともに、前記中央突出部の前
記スプライス固定部を除く部分に該スプライス固
定部を中心とした所定半径を有する１対の円弧溝
と該１対の円弧溝の一方と対向する他の円弧溝と
を設けた構成としてなる光フアイバー余長処理構
造。 This is a structure for processing the excess length of the optical fiber connected to the unit in the device, in which two grooves are formed in the longitudinal direction of the member for processing the excess length, and a splice fixing part is provided at the central protrusion between the two grooves. a communication groove intersecting with the two grooves on both sides of the splice fixing part in the longitudinal direction, and a part of the central protrusion excluding the splice fixing part having a predetermined radius centered on the splice fixing part. An optical fiber extra length processing structure comprising a pair of arcuate grooves and another arcuate groove facing one of the pair of arcuate grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985128664U JPH0542403Y2 (en) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985128664U JPH0542403Y2 (en) | 1985-08-23 | 1985-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238603U JPS6238603U (en) | 1987-03-07 |
| JPH0542403Y2 true JPH0542403Y2 (en) | 1993-10-26 |
Family
ID=31024533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985128664U Expired - Lifetime JPH0542403Y2 (en) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542403Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58221818A (en) * | 1982-06-18 | 1983-12-23 | Fujitsu Ltd | Structure for treating surplus length of optical fiber |
| JPS599311B2 (en) * | 1978-01-31 | 1984-03-01 | ゲオルク・フイツシヤ−・アクチエンゲゼルシヤフト | continuous drum plasting machine |
| JPS60136710A (en) * | 1983-12-26 | 1985-07-20 | Furukawa Electric Co Ltd:The | Jog for excessive length storage of optical cable leading- down can |
| JPS60149010A (en) * | 1984-01-17 | 1985-08-06 | Fujitsu Ltd | Storing device of excessive length part for connecting optical fiber |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599311U (en) * | 1982-07-12 | 1984-01-21 | 古河電気工業株式会社 | Optical cable junction box |
| JPS6063804U (en) * | 1983-10-07 | 1985-05-04 | 日本電気株式会社 | Fiber splice accommodation structure of Koumi low repeater |
-
1985
- 1985-08-23 JP JP1985128664U patent/JPH0542403Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS599311B2 (en) * | 1978-01-31 | 1984-03-01 | ゲオルク・フイツシヤ−・アクチエンゲゼルシヤフト | continuous drum plasting machine |
| JPS58221818A (en) * | 1982-06-18 | 1983-12-23 | Fujitsu Ltd | Structure for treating surplus length of optical fiber |
| JPS60136710A (en) * | 1983-12-26 | 1985-07-20 | Furukawa Electric Co Ltd:The | Jog for excessive length storage of optical cable leading- down can |
| JPS60149010A (en) * | 1984-01-17 | 1985-08-06 | Fujitsu Ltd | Storing device of excessive length part for connecting optical fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6238603U (en) | 1987-03-07 |
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