CN101183780B - Seabed fiber compound power cable connector box and connection technique thereof - Google Patents

Seabed fiber compound power cable connector box and connection technique thereof Download PDF

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Publication number
CN101183780B
CN101183780B CN2007101332451A CN200710133245A CN101183780B CN 101183780 B CN101183780 B CN 101183780B CN 2007101332451 A CN2007101332451 A CN 2007101332451A CN 200710133245 A CN200710133245 A CN 200710133245A CN 101183780 B CN101183780 B CN 101183780B
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cable
fiber
cone
compound power
fiber unit
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CN101183780A (en
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薛济萍
薛驰
冒新国
翟庆华
蔡卫兵
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Zhongtian Technology Submarine Cable Co Ltd
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Jiangsu Zhongtian Technology Co Ltd
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Abstract

The invention provides a junction box for submarine composite power cables with optical fiber and the connecting craft, relating to a splicing and connecting craft of submarine composite power cables with optical fiber, as well as a special junction box suitable for the splicing of submarine composite power cables with optical fiber, which comprises a bending limiter, an external cone, an internal cone, an outer cylinder body, a bearing nut, a plurality of sealing socket bodies for optical fiber unit, a fiber storage disc, a sealed chamber for an optical fiber unit, a plurality of optical unit jigs, a plurality of connecting pipes, a plurality of spiral insulators, a plurality of lead pipes and a plurality of heat shrinkable sleeves, wherein, the fiber storage disc is connected between two sealing socket bodies for optical fiber units through a locating shaft; the sealing socket bodies for optical fiber units are connected with a plurality of optical units through the optical unit jigs; a plurality of cable conductors are crimped together by the connecting pipes; a plurality of cable joint insulators are connected by spiral insulators; a plurality of metal cable pipes are welded by the lead pipes; a plurality of outer metal sheaths are connected by the heat shrinkable sleeves; armored steel wires are clamped by the external cone and the internal cone through a plurality of connecting bolts; the external cylinder body is fixed on the internal cone; and the bending limiter is fixed on the external cone.

Description

Seabed fiber compound power cable connector box and connection technology thereof
Technical field
Seabed fiber compound power cable connector box of the present invention and what connect that technology relates to is that a kind of seabed fiber compound power cable continues and connects technology is applicable to the special joint box that seabed fiber compound power cable continues.
Background technology
Seabed fiber compound power cable mainly uses interconnecting between interconnecting between island and continent or island and the island, land and offshore oil platform and offshore oil platform, satisfies simultaneously that electric power is carried, the needs of optical fiber communication.Because the particularity of seabottom geology and hydrologic regime has than big-difference laying with service conditions and land cable of seabed fiber compound power cable.Seabed fiber compound power cable is when laying or keep in repair, because the deadweight of the pressure of water, cable and the effect of machinery when laying, cable can be subjected to very big mechanical stress (stretch, reverse, bending), in addition, seabed fiber compound power cable operates in erosion, the corrosion that also can be subjected to corrosive substance and aquatic organism in the complicated environments such as subsea, even be subjected to the destruction that ship casts anchor, fishes mechanical forces such as operation, therefore, seabed fiber compound power cable has higher mechanical performance and stronger Corrosion Protection than land cable.
Summary of the invention
Purpose of the present invention provides a kind of seabed fiber compound power cable connector box and connects technology at above-mentioned weak point, be mainly used between land and island or the seabed fiber compound power cable of link intermediate node continues, can realize the connection of subsea power system, communication system.
Seabed fiber compound power cable connector box and connection technology thereof take following scheme to realize:
The seabed fiber compound power cable connector box structure comprises bending restrictor, outer cone, inner cone, outer cylinder body, load nut, fiber unit sealing pedestal, fiber storage tray, fiber unit sealing drum, light unit anchor clamps, connecting duct, increases around insulator, lead pipe, heat-shrinkable T bush.
Fiber storage tray is connected the centre of two fiber unit sealing pedestals by locating shaft; Fiber unit sealing pedestal is connected with the light unit by light unit anchor clamps, and light unit anchor clamps are two semi-circular open-close types (Hough formula) clamping structures; The fiber unit sealing drum is connected with the sealing pedestal by the load nut; Cable conductor connects by the connecting duct crimping; The connection of cable joint insulator is to connect by increasing around insulator; The connection of cable metal conduit is welded by lead pipe; The cable metal oversheath connects by heat-shrinkable T bush; Outer cone and inner cone clamp armouring wire by connecting bolt; Outer cylinder body is fixed on the inner cone; Bending restrictor is fixed on the outer cone.
The connection technology of seabed fiber compound power cable connector box is achieved in that
1. open stripping seabed fiber compound power cable oversheath and armoured steel wire;
2. the connection of cable joint: a, cable conductor connect: adopt compression joint technique, connecting duct is enclosed within carries out crimping on the conductor, guarantee the connection of cable conductor.B, cable insulation connect recovery: the connection of cable joint insulator, adopting insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape carries out wrapped, when making joint, belt is wrapped under extended state, the residual tensions of belt becomes the pressure between the belt after wrapped, wrapped postadhesion is integral, and forms to increase around insulator.C, cable lead sheath recover: lead pipe is enclosed within on the cable lead sheath, and the compression lead pipe is removed the oxide layer on surface; lead pipe is welded on the cable metal sheath; guarantee the continuity and the sealing property of metallic sheath, ward off lead at metallic sheath welding point place again, add the epistasis protection.D, cable jacket recover: outside the lead pipe that recovers, and heat shrink heat-shrinkable T bush, the continuity and the sealing of assurance cable jacket.
3. the light unit connects: a, with fiber unit sealing pedestal fiber unit is sealed, and fix fiber unit with light unit anchor clamps; B, fiber unit is sealed pedestal be connected, optical fiber is carried out welding with fiber storage tray; C, fiber unit sealing drum and load nut and fiber unit sealing pedestal are connected.
4. with bolted outer cone and inner cone, guarantee the mechanical performance of seabed fiber compound power cable connector box.Outer cylinder body is fixed on the inner cone pitch paying in outer cylinder body.
5. bending restrictor is fixed on the outer cone seat, guarantees the bending property of seabed fiber compound power cable and connector box junction.
Characteristics of the present invention:
Seabed fiber compound power cable connector box is applicable to seabed fiber compound power cable, structure adopts upright and outspoken type structure, the pressure of the cable joint part and the anti-300m depth of water of optical fiber splice part adopts the good stainless steel 316L of sea water corrosion resistant on material selection.According to actual operating position in the past, in the armouring end of shell body two ends cable, designed the bending restrictor of cone rubber, it can prevent the cable overbending that forms easily of masterpiece time spent armouring end outside effectively; In addition, the cone rubber sheath is made with the sea water resistance elastomeric material, and installs metal insert additional in inside, has not only guaranteed useful life but also guaranteed intensity.
Steel wire clamps on the principle and adopts oblique-wedge clamping system; guaranteed the seabed fiber compound power cable mechanical performance; fiber unit connects hermetically-sealed construction to be adopted with seabed cable joint box connection design of Sealing Structure; consider that the light unit does not have sheathed structure; in light unit seal protection seat, increased light unit stationary fixture; thereby guaranteed the mechanical performance of fiber unit, made partial structurtes compacter.Cable joint partly adopts the wrapped joint technology of cable, and the office that does not increase cable joint has high-volume so just guaranteed the convenient and swift of site operation installation.Seabed fiber compound power cable connector box can assemble on cable laying ship, and can satisfy the construction requirement that lays on the existing cable laying ship with fishing.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is the cable joint schematic diagram of seabed fiber compound power cable connector box.
Fig. 2 is the light unit joint schematic diagram of seabed fiber compound power cable connector box.
Fig. 3 is the sheathed structure schematic diagram of seabed fiber compound power cable connector box
Fig. 4 is the seabed fiber compound power cable connector box structural representation.
Mark among the figure: 1, bending restrictor, 2, outer cone, 3, armouring wire, 4, inner cone, 5, outer cylinder body, 6, the light unit, 7, the load nut, 8, fiber unit sealing pedestal, 9, fiber storage tray, 10, the fiber unit sealing drum, 11, light unit anchor clamps, 12, cable jacket, 13, heat-shrinkable T bush, 14, cable lead sheath, 15, lead pipe, 16, connecting duct, 17, cable conductor, 18, increase, 19, the cable joint insulator around insulator.
Embodiment
With reference to accompanying drawing 1,2,3,4, the seabed fiber compound power cable connector box structure comprises bending restrictor 1, outer cone 2, armouring wire 3, inner cone 4, outer cylinder body 5, light unit 6, load nut 7, fiber unit sealing pedestal 8, fiber storage tray 9, fiber unit sealing drum 10, light unit anchor clamps 11, cable jacket 12, heat-shrinkable T bush 13, cable lead sheath 14, lead pipe 15, connecting duct 16, cable conductor 17, increases around insulator 18, cable joint insulator 19.
Seabed fiber compound power cable connector box is to connect like this:
Fiber storage tray 9 is connected the centre of two fiber unit sealing pedestals 8 by locating shaft; Fiber unit sealing pedestal 8 is connected with light unit 6 by light unit anchor clamps 11; Fiber unit sealing drum 10 is connected with fiber unit sealing pedestal 8 by load nut 7; Cable conductor 17 connects by connecting duct 16 crimping; The connection of cable joint insulator 19 is to connect by increasing around insulator 18; Cable lead sheath 14 connects by lead pipe 15 welding; Cable jacket 12 connects by heat-shrinkable T bush 13 pyrocondensations; Outer cone 2 and inner cone 4 clamp armouring wire 3 by connecting bolt; Outer cylinder body 5 is fixed on the inner cone 4; Bending restrictor 1 is fixed on the outer cone 2.
Seabed fiber compound power cable connector box connects technology and is achieved in that
1. open stripping seabed fiber compound power cable oversheath and armoured steel wire;
2. the connection of cable joint: a, conductor connect: adopt compression joint technique, connecting duct 16 is enclosed within carries out crimping on the cable conductor 17, guarantee the connection of conductor.B, insulation connect recovery: the connection of cable joint insulator 19, adopting insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape carries out wrapped, when making joint, belt is wrapped under extended state, the residual tensions of belt becomes the pressure between the belt after wrapped, and wrapped postadhesion is integrally formed and increases around insulator 18.C, cable lead sheath recover: lead pipe 15 is enclosed within on the cable lead sheath 14, and compression lead pipe 15 is removed the oxide layer on surface; contact-making surface is welded; guarantee the continuity and the sealing property of cable lead sheath 14, ward off lead at lead pipe 15 welding point places again, add the epistasis protection.D, cable jacket recover: outside lead pipe 15, and heat shrink heat-shrinkable T bush 13, the continuity and the sealing of assurance sheath.The sealing of cable joint is to lean on the pyrocondensation of the welded seal of lead pipe 15 and heat-shrinkable T bush 13 to seal to finish.
3. the light unit connects: a. seals fiber unit with fiber unit sealing pedestal 8, and fixes fiber unit with light unit anchor clamps 11; B. fiber unit is sealed pedestal 8 and be connected, optical fiber is carried out welding with fiber storage tray 9; C. fiber unit sealing drum 10 is connected with fiber unit seal receptacle 8 with load nut 7.The sealing of light unit is finished by the sealing ring in " V " shape sealing ring and the fiber unit sealing drum 10 in the fiber unit sealing pedestal 8.
4. with bolted outer cone 2 and inner cone 4, guarantee the mechanical performance of seabed fiber compound power cable connector box.Outer cylinder body 5 is fixed on the inner cone 4 pitch paying in outer cylinder body 5.
5. bending restrictor 1 is fixed on the outer cone 2, guarantees the bending property of seabed fiber compound power cable and connector box junction.
Seabed fiber compound power cable connector box connects technology construction on-the-spot carrying out on workboat.

Claims (2)

1. a seabed fiber compound power cable connector box is characterized in that comprising bending restrictor, outer cone, inner cone, outer cylinder body, load nut, fiber unit sealing pedestal, fiber storage tray, fiber unit sealing drum, fiber unit anchor clamps, connecting duct, increases around insulator, lead pipe, heat-shrinkable T bush;
Fiber storage tray is connected the centre of two fiber unit sealing pedestals by locating shaft; Fiber unit sealing pedestal is connected with the light unit by light unit anchor clamps, and light unit anchor clamps are two semi-circular open-close type clamping structures; The fiber unit sealing drum is connected with fiber unit sealing pedestal by the load nut; Connection between the cable conductor is to form by the connecting duct crimping; The connection of cable joint insulator is to adopt insulating tape, semi-conductive screen band and stress to eliminate the band twining package tape to carry out wrappedly, and wrapped postadhesion is integrally formed to increase around insulator and connects; The connection of cable lead sheath is welded by the overcoat lead pipe; Cable jacket is to connect by heat-shrinkable T bush; Outer cone and inner cone clamp armouring wire by connecting bolt; Outer cylinder body is fixed on the inner cone; Bending restrictor is fixed on the outer cone.
2. the connection technology of the described seabed fiber compound power cable connector box of claim 1 is characterized in that connecting technology and is:
(1) opens stripping seabed fiber compound power cable oversheath and armoured steel wire;
(2) connection of cable joint: a, cable conductor connect: adopt compression joint technique, connecting duct is enclosed within carries out crimping on the cable conductor, guarantee the connection of cable conductor; B, cable insulation connect recovery: the connection of cable joint insulator adopts insulating tape, semi-conductive screen band and stress elimination band twining package tape to carry out wrapped, when making joint, belt is wrapped under extended state, the residual tensions of belt becomes the pressure between the belt after wrapped, wrapped postadhesion is integral, and forms to increase around insulator; C, cable lead sheath recover: the overcoat lead pipe is enclosed within on the cable metal lead sheath, the compression lead pipe, remove the oxide layer on surface, lead pipe is welded on the cable metal sheath, guarantee the continuity and the sealing property of cable metal lead sheath, ward off lead in joint, cable metal lead sheath both sides again, add the epistasis protection; D, cable jacket recover: outside the lead sleeve that recovers, put heat-shrinkable T bush, heat shrink heat-shrinkable T bush, the continuity and the sealing of assurance cable jacket;
(3) the light unit connects: a, with fiber unit sealing pedestal fiber unit is sealed, and fix the light unit with light unit anchor clamps; B, fiber unit is sealed pedestal be connected, optical fiber is carried out welding with fiber storage tray; C, fiber unit sealing drum and load nut and fiber unit sealing pedestal are connected;
(4) with bolted outer cone and inner cone, outer cone and inner cone clamp the armouring wire of opening stripping in the step (1) by connecting bolt, guarantee the mechanical performance of seabed fiber compound power cable connector box, outer cylinder body are fixed on the inner cone pitch paying in outer cylinder body;
(5) bending restrictor is fixed on the outer cone seat, guarantees the bending property of seabed fiber compound power cable and connector box junction.
CN2007101332451A 2007-10-15 2007-10-15 Seabed fiber compound power cable connector box and connection technique thereof Active CN101183780B (en)

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CN101644801B (en) * 2009-06-29 2013-01-09 青岛理工大学 Optical fiber core head sheath device for optical cable
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CN102810837B (en) * 2012-03-16 2015-02-18 远东电缆有限公司 Intermediate splicing closure and splicing method for optical fiber composite power cable
CN103500904B (en) * 2013-09-24 2016-04-13 镇江科创电气工程有限公司 Optical fiber communication type high voltage shore power connector
CN104518476B (en) * 2013-09-26 2017-01-11 中国科学院沈阳自动化研究所 Underwater photoelectric separating cabin
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CN107831339B (en) * 2017-09-26 2023-05-30 杭州西湖电子研究所 Internally shielded cable connector assembly
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CN110212485B (en) * 2019-06-21 2024-10-01 中天海洋系统有限公司 Three-core high-voltage submarine cable connector box and installation method thereof
CN110912031B (en) * 2019-11-22 2021-12-24 上海电力大学 Simulation deployment device for submarine cable on construction site
CN111880276A (en) * 2020-08-03 2020-11-03 谢清清 Big data optical fiber access device
CN112510638B (en) * 2020-11-09 2021-12-31 广州海洋地质调查局 Withstand voltage waterproof connection of compound submarine cable of photoelectricity
CN113131405B (en) * 2021-04-20 2021-10-15 伟卓石油科技(北京)有限公司 Cable laying system in submarine underground rock
CN113885151B (en) * 2021-10-28 2024-03-19 中航宝胜海洋工程电缆有限公司 Sea Liu Jietou box for low-temperature environment and installation method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037177A (en) * 1989-03-21 1991-08-06 Stc Plc Jointing optical fibre cables
CN1162751A (en) * 1995-05-03 1997-10-22 阿尔卡特·塞伯马克姆股份有限公司 Device for organizing optical fiber cable connections and optical cable joint box
CN2655263Y (en) * 2003-08-26 2004-11-10 江苏中天科技股份有限公司 Ocean cable connector box
CN1790078A (en) * 2005-12-27 2006-06-21 江苏中天科技股份有限公司 Seabed optical cable branch joint box and connection process thereof
CN201113371Y (en) * 2007-10-15 2008-09-10 江苏中天科技股份有限公司 Sea floor optical fibre composite power cable joint box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037177A (en) * 1989-03-21 1991-08-06 Stc Plc Jointing optical fibre cables
CN1162751A (en) * 1995-05-03 1997-10-22 阿尔卡特·塞伯马克姆股份有限公司 Device for organizing optical fiber cable connections and optical cable joint box
CN2655263Y (en) * 2003-08-26 2004-11-10 江苏中天科技股份有限公司 Ocean cable connector box
CN1790078A (en) * 2005-12-27 2006-06-21 江苏中天科技股份有限公司 Seabed optical cable branch joint box and connection process thereof
CN201113371Y (en) * 2007-10-15 2008-09-10 江苏中天科技股份有限公司 Sea floor optical fibre composite power cable joint box

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP昭57-73702A 1982.05.08

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Effective date of registration: 20160310

Address after: The road town of Rudong County in Jiangsu province 226453 in Nantong City, No. 1

Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu

Patentee after: Zhongtian Technologies Fiber Optics Co., Ltd.

Patentee after: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd.

Address before: The road town of Rudong County in Jiangsu province 226453 in Nantong City, No. 1

Patentee before: Zhongtian Science and Technology Co., Ltd., Jiangsu

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TR01 Transfer of patent right

Effective date of registration: 20200827

Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China

Patentee after: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd.

Address before: The road town of Rudong County in Jiangsu province 226453 in Nantong City, No. 1

Co-patentee before: ZHONGTIAN TECHNOLOGY FIBRE OPTICS Co.,Ltd.

Patentee before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd.

Co-patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China

Patentee after: Zhongtian Technology submarine cable Co., Ltd

Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Jiangsu, China

Patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd.