JPS5845685B2 - How to connect optical transmission lines - Google Patents
How to connect optical transmission linesInfo
- Publication number
- JPS5845685B2 JPS5845685B2 JP9686976A JP9686976A JPS5845685B2 JP S5845685 B2 JPS5845685 B2 JP S5845685B2 JP 9686976 A JP9686976 A JP 9686976A JP 9686976 A JP9686976 A JP 9686976A JP S5845685 B2 JPS5845685 B2 JP S5845685B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical transmission
- optical fiber
- cords
- transmission lines
- 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
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Description
【発明の詳細な説明】
本発明は光ケーブルと複数の光コードとを接続する光伝
送線路の接続方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for connecting an optical transmission line between an optical cable and a plurality of optical cords.
一般に、通信部°開花おける光伝送線路においては、局
内に立ち上った本線としての多芯光ケーブルと、局内機
器につながる複数の光コード（単芯）とを接続するにあ
たり、光ケーブル端から露出させた各光フアイバ端子に
各光コード端から露出させた光フアイバ端子を個々に接
続していたが該各党ファイバ端子を相互に接続しただけ
では、当該接続部の機械的強度、防水防湿性、気密性等
が満足する状態で得られず、ためにこれらの問題点を解
決する手段が希求されていた。In general, in optical transmission lines used in communication departments, when connecting a multi-core optical cable as the main line running inside the office to multiple optical cords (single-core) connected to equipment within the office, each cable exposed from the end of the optical cable is The optical fiber terminals exposed from the ends of each optical cord were individually connected to the optical fiber terminals, but simply connecting the respective fiber terminals to each other would not improve the mechanical strength, waterproofing, moisture-proofing, airtightness, etc. of the connected parts. Therefore, a means to solve these problems has been desired.
本発明は上記の問題点を解決する光伝送線路の接続方法
を具現したもので、以下その方法を実施例図と共に説明
する。The present invention embodies a method for connecting optical transmission lines that solves the above-mentioned problems, and the method will be described below with reference to embodiment figures.
１は局内において本線用に設定される多芯型の光ケーブ
ルで、この光ケーブル１端からはその外被部分を剥ぎと
るなどして余長部分のある光フアイバ端子２ａ〜２ｄを
露出させると共にテンションメンバ（ＦＲＰ製）３も突
出させである。Reference numeral 1 denotes a multi-core optical cable that is set up for main line use within the station, and from one end of this optical cable, the outer sheath is stripped off to expose optical fiber terminals 2a to 2d with extra length, and a tension member is attached. (Made from FRP) 3 is also protruding.
４ａ〜４ｄは局内機器（図示せず）につながる光コード
であって、該各コード４ａ〜４ｄの端部からは光フアイ
バ端子５ａ〜５ｄを露出させである。4a to 4d are optical cords connected to in-office equipment (not shown), and optical fiber terminals 5a to 5d are exposed from the ends of each of the cords 4a to 4d.
このように、各光フアイバ端子２ａ〜２ｂおよび４ａ〜
４ｄを露出状態にしてから該各党ファイバ端子を相互に
接続するが、この接続に際してはガラス製の細径スリー
ブ６と接着剤とを用いて軸合接続し、また、必要に応し
細径スリーブ６および光コード４ａ〜４ｄ間の端子露出
部分に保護用のビニール製チューブ７を被せる。In this way, each optical fiber terminal 2a-2b and 4a-
4d is exposed, and then the fiber terminals of each party are connected to each other. For this connection, the thin diameter sleeve 6 made of glass and adhesive are used for axial connection, and if necessary, the thin diameter sleeve 6 and the exposed terminal portions between the optical cords 4a to 4d are covered with a protective vinyl tube 7.
つぎに、光コード４ａ〜４ｄの端部および光ケーブル１
端から突出させたテンションメンバ３を集束状態にして
同集束状態を樹脂モールドにより固結し、光コード４ａ
〜４ｄの固定部８を設ける。Next, the ends of the optical cords 4a to 4d and the optical cable 1
The tension member 3 protruding from the end is brought into a focused state, and the focused state is solidified with a resin mold to form an optical cord 4a.
A fixing part 8 of ~4d is provided.
また、このようにして形成した固定部８と光ケーブル１
の端部とにわたり、サポータ９を架設するが、このサポ
ータ９は筒状であって、その両端に端子導出用のスリッ
トが設けられものあるいは同スリツＬのある割型筒状の
ものとしそして該サポータ９が筒状である場合は、各光
フアイバ端子２ａ〜２ｄ、５ａ〜５ｄを結線する前に、
その・一端を光ケーブル１端に取付けておき、爾後の手
順に従ってその他端を固定部８に取付けるようにする外
、該サポータ９が割型である場合は、固定部８の形成後
、所定部所に架設する。In addition, the fixing part 8 and the optical cable 1 formed in this way are
A supporter 9 is installed over the end of the supporter 9, and the supporter 9 is cylindrical and has slits at both ends for leading out the terminals, or a split cylindrical shape with the same slits L. When the supporter 9 is cylindrical, before connecting each optical fiber terminal 2a to 2d, 5a to 5d,
One end of the supporter 9 is attached to the optical cable 1 end, and the other end is attached to the fixing part 8 according to the subsequent procedure.If the supporter 9 is split, after the fixing part 8 is formed, attach the other end to the fixed part 8. to be erected.
さらに前記において接続した各光フアイバ端子のうち、
一方の光フアイバ端子２ａ〜２ｄには余長部分があるの
で、この余長部分をコイル状に巻くとか、あるいは適当
に折畳むとかして前記サポータ９の外周に取付けた中空
割型のスペーサ１０内に納める。Furthermore, among the optical fiber terminals connected in the above,
Since one of the optical fiber terminals 2a to 2d has an extra length, the extra length is wound into a coil shape or folded appropriately, and then inside the hollow split type spacer 10 attached to the outer periphery of the supporter 9. It can be paid to
以下は一対の金属製スリーブ１１ａ、１１ｂにより、上
記接続部外周を気密的に被蔽するが、この際のスリーブ
１１ａ、１１ｂとしては、一端に細筒部１２ａ、１２ｂ
を有し、他端にフランジ部１３ａ、１３ｂを有するもの
を主に用い、そして両スリーブ１１ａ、１１ｂによる当
該接続部の被蔽にあたっては、該各スリーブ１１ａ、１
１ｂを、端子接続前の状態にある光ケーブル１、光コー
ド４３〜４ｄにそれぞれ嵌挿しておき、かつ前述の諸手
順を終えた後、両スリーブ１１ａ、１１ｂのフランジ部
１３ａ 、 １３ｂを突合状態にすると共に核部を緊結
リング１４でカシメ止めする。Hereinafter, the outer periphery of the connection part is hermetically covered by a pair of metal sleeves 11a, 11b.
and has flange portions 13a, 13b at the other end, and when covering the connection portion with both sleeves 11a, 11b, each sleeve 11a, 13b is used.
1b into the optical cable 1 and the optical cords 43 to 4d, respectively, which are in the state before terminal connection, and after completing the above-mentioned procedures, the flanges 13a and 13b of both sleeves 11a and 11b are brought into abutting state. At the same time, the core portion is caulked with a tightening ring 14.
さらに緊結リング１４の上面から両スリーブ１３ａ、１
３ｂのフランジ部周辺にテープ状のシール材１５を施し
、また、光ケープ１と細筒部１２ａの重合箇所、および
固定部８と細筒部１２ｂの重合箇所にも、それぞれテー
プ状のシール材１６ａ、１６ｂを施して両スリーブ１１
ａ 、Ｉｌｂによる前記接続部の気密的被蔽を行うの
である。Further, both sleeves 13a, 1
A tape-shaped sealing material 15 is applied around the flange portion of 3b, and a tape-shaped sealing material is also applied to the overlapped portion of the optical cape 1 and the narrow cylindrical portion 12a, and the overlapped portion of the fixed portion 8 and the narrow cylindrical portion 12b, respectively. 16a and 16b are applied to both sleeves 11.
a, the connection portion is hermetically covered by Ilb.
そしてこのとき、両スリーブ１１ａ、１１ｂの突合部内
周を前記スペーサ１０の外周に接当状態とし、このスペ
ーサ１０によりスリーブ突合部を支持させて補強する。At this time, the inner peripheries of the abutting portions of both sleeves 11a and 11b are brought into contact with the outer periphery of the spacer 10, and the spacer 10 supports and reinforces the sleeve abutting portions.
本発明は上記の通りであるから、複数の光コードを集束
して固結することにより、分散状態では得られなかった
該光コード側の機械的強度が格段に向上すると共に、同
光コード側から各端子接続部に外力が影響するのも殆ど
皆無となり、しかも光コード側を集束固結状とすること
により、各光コード端部相互に気密的な固定部が得られ
、この結果、各光フアイバ端子の接続部を含む光ケーブ
ルおよび光コード間をスリーブにより気密的に被蔽でき
、これによって当該接続部を外部の影響から完全に遮断
できるのである。Since the present invention is as described above, by converging and consolidating a plurality of optical cords, the mechanical strength of the optical cords, which could not be obtained in a dispersed state, is significantly improved, and the mechanical strength of the optical cords is significantly improved. Therefore, there is almost no influence of external force on each terminal connection part, and by converging and consolidating the optical cord side, an airtight fixing part is obtained between the ends of each optical cord, and as a result, each The sleeve can airtightly cover the optical cable and the optical cord including the connection portion of the optical fiber terminal, thereby completely shielding the connection portion from external influences.
故に本発明接続方法による場合は、機械的強度、気密性
、防水防湿性に優れ、長期使用に充分耐え得る光伝送線
路の接続部が得られることとなる。Therefore, in the case of the connection method of the present invention, a connection portion of an optical transmission line can be obtained which has excellent mechanical strength, airtightness, waterproof and moisture-proof properties, and can sufficiently withstand long-term use.
図面は本発明接続方法の１実施例を示す一部断面の説明
図である。
１・・・・・・光ケーブル、５ａ〜５ｄ・・・・・・光
フアイバ端子、２ａ〜２ｄ・・・・・・光フアイバ端子
、１１ａ。
１１ｂ・・・・・・スリーブ、４ａ〜４ｄ・・・・・・
光コード。The drawing is a partially sectional explanatory view showing one embodiment of the connection method of the present invention. 1... Optical cable, 5a-5d... Optical fiber terminal, 2a-2d... Optical fiber terminal, 11a. 11b...Sleeve, 4a-4d...
optical code.
Claims (1)
路の接続方法において、光ケーブル端から露出させた光
フアイバ端子群と各光コード端から露出させた光フアイ
バ端子とを互いに接続する手段と、各光コード端を集束
状態にして同集束状態を固結する手段と、光ケーブルお
よび光コード間にわたり、各光フアイバ端子の接続部外
周をスリーブにより気密的に被蔽する手段とを有する光
伝送線路の接続方法。1. In a method for connecting an optical transmission line that connects an optical cable and a plurality of optical cords, a means for connecting to each other a group of optical fiber terminals exposed from the end of the optical cable and an optical fiber terminal exposed from the end of each optical cord; An optical transmission line having means for bringing the ends of the optical cord into a focused state and consolidating the focused state, and means for hermetically covering the outer periphery of the connecting portion of each optical fiber terminal with a sleeve between the optical cable and the optical cord. Connection method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9686976A JPS5845685B2 (en) | 1976-08-13 | 1976-08-13 | How to connect optical transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9686976A JPS5845685B2 (en) | 1976-08-13 | 1976-08-13 | How to connect optical transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5322448A JPS5322448A (en) | 1978-03-01 |
| JPS5845685B2 true JPS5845685B2 (en) | 1983-10-12 |
Family
ID=14176435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9686976A Expired JPS5845685B2 (en) | 1976-08-13 | 1976-08-13 | How to connect optical transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5845685B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54138641U (en) * | 1978-03-20 | 1979-09-26 | ||
| JPS5918405Y2 (en) * | 1978-09-26 | 1984-05-28 | 昭和電線電纜株式会社 | Optical fiber cable connection |
| JPS59131711U (en) * | 1983-02-23 | 1984-09-04 | 古河電気工業株式会社 | Optical cable connection part |
| JP2544063Y2 (en) * | 1989-07-26 | 1997-08-13 | 三菱電線工業株式会社 | Repair structure for sheath stripping part |
-
1976
- 1976-08-13 JP JP9686976A patent/JPS5845685B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5322448A (en) | 1978-03-01 |
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