JPH02285915A - Method of connection construction of optical-metallic composite cable - Google Patents

Method of connection construction of optical-metallic composite cable

Info

Publication number
JPH02285915A
JPH02285915A JP10373089A JP10373089A JPH02285915A JP H02285915 A JPH02285915 A JP H02285915A JP 10373089 A JP10373089 A JP 10373089A JP 10373089 A JP10373089 A JP 10373089A JP H02285915 A JPH02285915 A JP H02285915A
Authority
JP
Japan
Prior art keywords
optical fiber
optical
fiber unit
cable
box body
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.)
Granted
Application number
JP10373089A
Other languages
Japanese (ja)
Other versions
JP2680889B2 (en
Inventor
Yuzo Tokumaru
得丸　雄三
Shinzo Konno
今野　信三
Kiyoshi Kikuchi
清 菊地
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.)
Sumitomo Electric Industries Ltd
East Japan Railway Co
Original Assignee
Sumitomo Electric Industries Ltd
East Japan Railway Co
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 Sumitomo Electric Industries Ltd, East Japan Railway Co filed Critical Sumitomo Electric Industries Ltd
Priority to JP1103730A priority Critical patent/JP2680889B2/en
Publication of JPH02285915A publication Critical patent/JPH02285915A/en
Application granted granted Critical
Publication of JP2680889B2 publication Critical patent/JP2680889B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4448—Electro-optic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps
    • G02B6/4472—Manifolds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Cable Accessories (AREA)

Abstract

PURPOSE:To connect a branch cable easily by storing the force-feed excess length of an optical fiber unit together with the connecting excess length of an optical fiber core in a splice box body when an optical-metallic core composite cable is laid- previously and the optical fiber unit is forcibly inserted into a cavity pipe. CONSTITUTION:The connecting section of an optical-metallic composite cable 10 is formed by a splice box body with a metalli-core connecting-section housing section 11, an optical core housing tray 12 and an optical-fiber unit excess-length housing section 13. When the force-feed excess length of an optical fiber unit forcibly inserted into the the cavity pipe 2 of the optical-metallic composite cable 10 is housed previously into the optical-fiber unit force-feed excess-length housing section 13 of the splice box body and the necessity of branch joint is generated in the intermediate section of the cable 10, the splice box body is opened, the excess length of the optical fiber unit is opened and the optical fiber unit is force-fed to the point of the branch joint. Accordingly, the optical fiber unit can hold connecting excess length even at an intermediate junction B, thus easily allowing branch joint with a branch optical cable C by using the splice box body.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明はメタル通信ケーブルや配電用電線等のメタル心
線と、ケーブル布設後にその中に光ファイバユニットを
圧送挿入する空洞パイプとを複合した光・メタル複合ケ
ーブルの接続工法に関するものである。[Detailed Description of the Invention] (Field of Industrial Application) The present invention is a composite of metal core wires such as metal communication cables and power distribution wires, and a hollow pipe into which an optical fiber unit is inserted under pressure after the cable is laid. It concerns the connection method for optical/metal composite cables.

（発明の背景） 例えば、現在一般の通信回線として使■されているメタ
ル心線の通信ケーブルと、将来需要が予測されるデータ
通信、ファクシミリ、ＣＡＴＶ等に用いられる光フアイ
バケーブルを必要な時期にその中に圧送挿入する空洞パ
イプを複合した光・メタル複合ケーブルが提案される。(Background of the invention) For example, metal core communication cables currently used as general communication lines and optical fiber cables used for data communication, facsimile, CATV, etc., which are expected to have future demand, can be made at the required time. An optical/metal composite cable is proposed that combines a hollow pipe that is inserted under pressure.

第１図はこのような光・メタル複合ケーブルの一例の横
断面図である。図面に示すように、メタル通信ケーブル
等のメタル心線（１）の複数条と、プラスチックパイプ
等の空洞パイプ（２）の複数条を、中心のプラスチック
紐（３）の周りに撚合せ、撚合せ上には押え巻きテープ
（４）を施し、さらにその上に、ポリ塩化ビニルやポリ
エチレン等のケーブルシース（５）を押出し被覆して構
成されている。FIG. 1 is a cross-sectional view of an example of such an optical/metal composite cable. As shown in the drawing, multiple strips of metal core wires (1) such as metal communication cables and multiple strips of hollow pipes (2) such as plastic pipes are twisted around a central plastic string (3). A pressure wrapping tape (4) is applied to the mating surface, and a cable sheath (5) made of polyvinyl chloride, polyethylene, etc. is extruded and coated thereon.

第２図は上記複合ケーブル（１０）の空洞パイプ（２）
内に空気流等を利用して圧入挿入する光ファイバユニッ
ト（８）の−例の横断面図で、中心の補強心（Ｇ２）の
周りに光フアイバ心線（６１）の複数条を撚合せ、その
上に発泡ポリエチレン等の発泡被覆層（Ｇ３）を設けて
構成されている。Figure 2 shows the hollow pipe (2) of the above composite cable (10).
This is a cross-sectional view of an example of an optical fiber unit (8) that is press-fitted into the optical fiber unit (8) using air flow, etc., in which multiple optical fiber core wires (61) are twisted around a central reinforcing core (G2). , and a foamed covering layer (G3) made of foamed polyethylene or the like is provided thereon.

このような複合ケーブル（１０）は必要な時期に、必要
な条数をもった光ファイバユニット（８）を、前記空洞
パイプ（２）内に、空気流等を利用して圧送挿入するこ
とによって光・メタル複合ケーブルとして完成する。Such a composite cable (10) is produced by force-feeding and inserting an optical fiber unit (8) having the required number of fibers into the hollow pipe (2) at the required time using airflow or the like. Completed as an optical/metal composite cable.

本発明は上述した光・メタル複合ケーブルの新規な接続
工法を提供するものである。The present invention provides a novel connection method for the above-mentioned optical/metal composite cable.

（発明の開示） 上述の目的を達成する本発明の接続工法の特徴は、第１
図に示すような光・メタル複合ケーブルの接続部を、メ
タル心線接続部収納部、光心線収納トレイ及び光ファイ
バユニット余長収納部を具えた接続箱体で形成し、光・
メタル複合ケーブルの空洞パイプ内に圧送挿入した光フ
ァイバユニットの圧送余長を接続箱体の光ファイバユニ
ット圧送余長収納部に収納しておき、ケーブルの中間に
分岐接続の必要性が生じた時、上記接続箱体を開いて光
ファイバユニットの余長を開放し分岐接続地点へ圧送す
るように構成したことにある。(Disclosure of the Invention) The characteristics of the connection method of the present invention that achieve the above-mentioned objects are as follows.
The connection part of the optical/metal composite cable as shown in the figure is formed by a junction box body equipped with a metal fiber connection part storage part, an optical fiber cable storage tray, and an optical fiber unit extra length storage part.
When the extra length of the optical fiber unit inserted under pressure into the hollow pipe of the metal composite cable is stored in the optical fiber unit extra length storage section of the connection box, when it becomes necessary to make a branch connection in the middle of the cable. The present invention is configured such that the connection box is opened to release the extra length of the optical fiber unit, and the excess length of the optical fiber unit is fed under pressure to the branch connection point.

光・メタル心線複合ケーブル（１０）は第１図に示すよ
うに、空洞パイプ（２）内に光フアイバユニｙ）（８）
が挿入されていない状態で布設を行ない、メタル心線（
りを接続箱体で接続する。As shown in Fig. 1, the optical/metal core composite cable (10) has an optical fiber unit (8) inside the hollow pipe (2).
If the metal core wire (
Connect the two using a junction box.

第３図は本発明における接続箱体の一部内部をあられし
た側面図である。接続箱体は、既知の方法で接続したメ
タル心線の接続部を収納したメタル心線接続部（１１）
と、その上に設けた光フアイバ心線収納トレイ（１２）
及び、さらにその上に設けた光ファイバユニット圧送余
長収納部（Ｉ３）を接続箱ケース（Ｉ４）内に収納して
構成されている。なお、図面において、（ｔｓ）はケー
ブル把持部、（１Ｂ）はケーブル把持部（Ｉ５）間を連
結し保持する連結棒である。FIG. 3 is a side view showing a part of the inside of the connection box according to the present invention. The junction box body has a metal core wire connection part (11) that houses the metal core wire connection part connected by a known method.
and an optical fiber storage tray (12) installed above it.
Further, an optical fiber unit pumping surplus length storage section (I3) provided thereon is housed in a junction box case (I4). In the drawings, (ts) is a cable gripping portion, and (1B) is a connecting rod that connects and holds the cable gripping portions (I5).

この際、複合ケーブル（Ｉ０）内の空洞パイプ（２）は
、第４図に示すように、一方のパイプ（２ａ）が長くな
るようにし、光フアイバ心線収納トレイ（１２）近くで
パイプ接続コネクタ（Ｉ７）でパイプ（２ａ）と（２ｂ
）を接続しておく。At this time, as shown in Figure 4, the hollow pipe (2) in the composite cable (I0) is made so that one pipe (2a) is long, and the pipe is connected near the optical fiber core storage tray (12). Pipe (2a) and (2b) with connector (I7)
) are connected.

を 光ファイバユニツ）（８）辱圧送挿入する時は、接続箱
体の左右的２に■の遠端のケーブル端から、空気流等を
利用して光ファイバユニット（６）を空洞パイプ（２）
内に圧送挿入するが、この際、接続箱ケース（１４）を
開放し、・さらにパイプ（２ａ）と（２ｂ）を接続して
いるパイプ接続コネクタ（１７）を開放する。When inserting the optical fiber unit (6) into the hollow pipe (2) using airflow, etc., from the far end of the cable (■) to the left and right sides of the junction box (2). )
At this time, the junction box case (14) is opened, and the pipe connector (17) connecting the pipes (2a) and (2b) is opened.

次に、第５図に示すように、短かい方のパイプ（２ｂ）
にダミーパイプ（五８）を接続する。この状態で、ケー
ブル遠端から光ファイバユニット（２）を圧送挿入する
が、この際、後々必要となる圧送余長各約３ｍを余分に
送り込み、この圧送余長を光ファイバユニット圧送余長
収納部（１３）に巻付けて詔く。Next, as shown in Figure 5, the shorter pipe (2b)
Connect the dummy pipe (58) to. In this state, the optical fiber unit (2) is inserted by pressure from the far end of the cable, but at this time, an extra length of about 3 m each that will be required later is fed in, and this extra length is stored in the optical fiber unit. Wrap it around part (13) and chant.

さらに、光フアイバ心線収納トレイ（１２）を開いて接
続に必要な光ファイバユニット（８）の各党ファイバ心
線（８１）を永久接続し、その余長を収納し、接続箱ケ
ース（目）を組立て、接続を完了する。Furthermore, open the optical fiber storage tray (12), permanently connect the fibers (81) of each party of the optical fiber unit (8) necessary for connection, store the remaining length, and open the connection box case (eye). Assemble and complete the connections.

若し、第６図（イ）に示すように、後々ケーブル（１０
）の中間部（Ｂ）でケーブルの分岐を必要とする場合に
は、上述した接続箱本体（Ａ）を開き、さらに同図（０
）に示すように接続箱本体（Ａ）の光ファイバユニット
圧送余長収納部（＋３）に巻付けである光ファイバユニ
ット（６）の圧送余長を巻戻し、図のように圧送ヘプト
（Ｉ３）を取付け、該ヘッド（１３）に接続したボンベ
（２０）より空気流を送り込んで、上記光ファイバユニ
ット（８）の圧送余長を中間接続点（Ｂ）に圧送゛して
やる。If the cable (10
), if it is necessary to branch the cable at the middle part (B) of
), unwind the extra length of the optical fiber unit (6) that is being wrapped around the optical fiber unit (+3) in the optical fiber unit extra length storage section (+3) of the connection box body (A). ) is attached, and an air flow is sent from a cylinder (20) connected to the head (13) to force-feed the excess length of the optical fiber unit (8) to the intermediate connection point (B).

このようにすることにより、中間接続点（Ｂ）でも光フ
ァイバユニット（８）は接続余長を保有することが可能
となり、第３図と同様の接続箱体を用いて容易に分岐光
ケーブル（Ｃ）と分岐接続が可能となる。この際、光フ
アイバ心線接続部は光フアイバ心線収納トレイ（２）に
収納したままで、−切動かすことがないため、伝送上に
問題は全くない。By doing this, the optical fiber unit (8) can have extra connection length even at the intermediate connection point (B), and the branch optical cable (C ) and branch connections are possible. At this time, since the optical fiber connecting portion remains housed in the optical fiber storage tray (2) and is not cut or moved, there is no problem in transmission.

（発明の効果） 以上説明したように、本発明の光・メタル心線複合ケー
ブルの接続工法によれば、光・メタル心線複合ケーブル
を布設しておき、後に光ファイバユニットを空洞パイプ
内に圧送挿入した際、接続箱本体内に光フアイバ心線の
接続余長と共に光ファイバユニットの圧送余長を蓄積す
ることができる。(Effects of the Invention) As explained above, according to the optical/metal fiber composite cable connection method of the present invention, the optical/metal fiber composite cable is laid, and then the optical fiber unit is inserted into the hollow pipe. When inserted under pressure, the excess length of the optical fiber unit can be accumulated in the connection box body together with the extra connection length of the optical fiber core.

従って、ケーブルルートの如何なる地点においてケーブ
ル分岐接続の必要性が発生しても、前記接続箱本体内に
蓄積した光フアイバユニｙ）の圧送余長を開放し、これ
を分岐接続地点に送り込むことができ、分岐ケーブルと
容易に接続することが出来る。Therefore, even if it is necessary to make a cable branch connection at any point along the cable route, it is possible to release the excess length of the optical fiber unit y accumulated in the junction box body and send it to the branch connection point. , can be easily connected to branch cables.

このような接続工法は、今後ますます需要が増大する光
・メタル複合ケーブルの接続工法として極めて大きい効
果を奏するものである。Such a connection method is extremely effective as a connection method for optical/metal composite cables, the demand of which will continue to increase in the future.

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

第１図は本発明の対象とする光・メタル複合ケーブルの
一例の横断面図である。 第２図は第１図の複合ケーブルの空洞パイプ内に圧送挿
入する光ファイバユニットの一例の横断面図である。 第３図は本発明における接続箱体の一部内部をあられし
た側面図、第４図は光ファイバユニット圧送挿入前の上
記接続箱体内における空洞パイプの概要説明図である。 第５図は光ファイバユニットの圧送挿入時の接続箱体に
おける処理の説明図で、同図（イ）は上面図、同図（ロ
）は側面図である。 第８図（イ）及び（ＩＩ＋）はケーブル布設ルートの中
間点で分岐接続の必要性が生じた時の処理の説明図であ
る。 １・・・メタル心線、２・・・空洞パイプ、ｅ・・・光
ファイバユニット、ｌｌｌ・・・光フアイバ心線、１Ｇ
・・・光・メタル複合ケーブル、１１・・・メタル心線
接続部収納部、１２・・・光フアイバ心線収納トレイ、
　１３・・・光ファイバユニット圧送余長収納部、１４
・・・接続箱ケース、！５・・・ケーブル把持部、１Ｂ
・・・連結線、１７・・・空洞パイプ接続コネクタ、１
８・・・グミ−パイプ、 １９・・・圧送ヘラ ド、 ２０・・・流体ボンベ。 第Ｇ図FIG. 1 is a cross-sectional view of an example of an optical/metal composite cable to which the present invention is applied. FIG. 2 is a cross-sectional view of an example of an optical fiber unit that is inserted under pressure into the hollow pipe of the composite cable of FIG. 1. FIG. 3 is a side view showing a part of the interior of the connection box according to the present invention, and FIG. 4 is a schematic explanatory diagram of a hollow pipe in the connection box before the optical fiber unit is inserted under pressure. FIG. 5 is an explanatory view of the processing in the junction box body when the optical fiber unit is inserted by force feeding, and FIG. 5(A) is a top view and FIG. 5(B) is a side view. FIGS. 8(A) and 8(II+) are explanatory diagrams of processing when a branch connection is required at an intermediate point of a cable installation route. 1...Metal core wire, 2...Cavity pipe, e...Optical fiber unit, lll...Optical fiber core wire, 1G
... Optical/metal composite cable, 11... Metal core wire connection section storage section, 12... Optical fiber core wire storage tray,
13... Optical fiber unit pressurized extra length storage section, 14
...Connection box case! 5... Cable grip part, 1B
... Connection line, 17 ... Hollow pipe connection connector, 1
8... Gummy pipe, 19... Pressurized helad, 20... Fluid cylinder. Figure G

Claims (1)

【特許請求の範囲】[Claims] （１）メタル心線と、布設後に光ファイバユニットを圧
送挿入する空洞パイプとを複合した光・メタル複合ケー
ブルの接続部を、メタル心線接続部収納部、光心線収納
トレイ及び光ファイバユニット余長収納部を具えた接続
箱体で形成し、前記空洞パイプ内に圧送挿入した光ファ
イバユニットの圧送余長を接続箱体の光ファイバユニッ
ト圧送余長収納部に収納しておき、ケーブルの中間に分
岐接続の必要性が発生した時、上記接続箱体を開いて光
ファイバユニットの余長を開放し分岐接続地点へ圧送す
るよう構成したことを特徴とする光・メタル複合ケーブ
ルの接続工法。(1) The connection part of the optical/metal composite cable, which combines metal core wire and a hollow pipe into which the optical fiber unit is inserted under pressure after installation, is installed in the metal core wire connection storage area, the optical fiber storage tray, and the optical fiber unit. The cable is formed of a junction box body equipped with an extra length storage section, and the extra length of the optical fiber unit inserted under pressure into the hollow pipe is stored in the optical fiber unit pressurized extra length storage section of the connection box body. A method for connecting an optical/metal composite cable, characterized in that, when a branch connection is required in the middle, the connection box is opened to release the excess length of the optical fiber unit, and the excess length of the optical fiber unit is pumped to the branch connection point. .
JP1103730A 1989-04-24 1989-04-24 Optical / metal composite cable connection method Expired - Fee Related JP2680889B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1103730A JP2680889B2 (en) 1989-04-24 1989-04-24 Optical / metal composite cable connection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1103730A JP2680889B2 (en) 1989-04-24 1989-04-24 Optical / metal composite cable connection method

Publications (2)

Publication Number Publication Date
JPH02285915A true JPH02285915A (en) 1990-11-26
JP2680889B2 JP2680889B2 (en) 1997-11-19

Family

ID=14361762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1103730A Expired - Fee Related JP2680889B2 (en) 1989-04-24 1989-04-24 Optical / metal composite cable connection method

Country Status (1)

Country Link
JP (1) JP2680889B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646817A2 (en) * 1993-09-30 1995-04-05 Alcatel Kabel Norge As Composite cable joint
US7465105B2 (en) * 2003-07-30 2008-12-16 Emcore Corporation Flexible substrate for routing fibers in an optical transceiver
US7583900B2 (en) 2003-07-28 2009-09-01 Emcore Corporation Modular optical transceiver
AT508808B1 (en) * 2009-10-14 2012-05-15 Felix Dipl Ing Dr Himmelstoss ONE AND TWO QUADRANTS CONTROLLERS WITH SPARTRAFO

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109401U (en) * 1984-12-21 1986-07-11
JPS6231319A (en) * 1985-07-31 1987-02-10 住友電気工業株式会社 Connection of optical fiber compound aerial ground wire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109401U (en) * 1984-12-21 1986-07-11
JPS6231319A (en) * 1985-07-31 1987-02-10 住友電気工業株式会社 Connection of optical fiber compound aerial ground wire

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646817A2 (en) * 1993-09-30 1995-04-05 Alcatel Kabel Norge As Composite cable joint
EP0646817A3 (en) * 1993-09-30 1995-12-27 Alcatel Kabel Norge As Composite cable joint.
US7583900B2 (en) 2003-07-28 2009-09-01 Emcore Corporation Modular optical transceiver
US7465105B2 (en) * 2003-07-30 2008-12-16 Emcore Corporation Flexible substrate for routing fibers in an optical transceiver
US7959363B2 (en) 2003-07-30 2011-06-14 Joseph Scheibenreif Optical transceiver with optical multiplexer on a flexible substrate
AT508808B1 (en) * 2009-10-14 2012-05-15 Felix Dipl Ing Dr Himmelstoss ONE AND TWO QUADRANTS CONTROLLERS WITH SPARTRAFO

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