CN110045475A - A kind of flexible optical cable - Google Patents

A kind of flexible optical cable Download PDF

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Publication number
CN110045475A
CN110045475A CN201910399008.2A CN201910399008A CN110045475A CN 110045475 A CN110045475 A CN 110045475A CN 201910399008 A CN201910399008 A CN 201910399008A CN 110045475 A CN110045475 A CN 110045475A
Authority
CN
China
Prior art keywords
fiber
optical cable
tightly packaged
insensitive
bend
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.)
Pending
Application number
CN201910399008.2A
Other languages
Chinese (zh)
Inventor
陈小龙
吴宏东
沈韦韦
刘凯
许人东
庄知博
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.)
Shanghai Hengtong Marine Equipment Co Ltd
Jiangsu Hengtong Marine Optical Network System Co Ltd
Original Assignee
Shanghai Hengtong Marine Equipment Co Ltd
Jiangsu Hengtong Marine Optical Network System Co 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 Shanghai Hengtong Marine Equipment Co Ltd, Jiangsu Hengtong Marine Optical Network System Co Ltd filed Critical Shanghai Hengtong Marine Equipment Co Ltd
Priority to CN201910399008.2A priority Critical patent/CN110045475A/en
Publication of CN110045475A publication Critical patent/CN110045475A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/44384Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Insulated Conductors (AREA)

Abstract

This application provides a kind of flexible optical cables, the optical cable includes the more bend-insensitive tightly packaged fibers that central reinforcing layer, armouring are stranded in outside the central reinforcing layer, material water-proof material is filled between the central reinforcing layer and the bend-insensitive tightly packaged fiber, wrapped waterstop forms cable core outside the bend-insensitive tightly packaged fiber, cable core is externally provided with multiple sheath, armouring flexible fiber reinforcing material between adjacent sheath.A kind of flexible optical cable of the application has fabulous flexibility under the conditions of meeting optical cable transmission performance and watertight.Meet optical cable in use, normal use under small bending can be born.Can finally meet various types diving draw connect transmission, deep water it is flexible/pull transmission, naval vessels wear storehouse transmission, aircraft traction mooring transmission etc. requires.

Description

A kind of flexible optical cable
Technical field
This application involves a kind of flexible optical cables.
Background technique
With the continuous development of submerged applications technical field, the application such as undersea ship, aircraft is more and more, thus under water Also become very rapidly with the development of optical cable.Traditional underwater optic cable is relatively hard, and bending radius is larger, is unfavorable in multiplicity Under the conditions of construction and installation, minor diameter bending influences to invent a kind of flexible waterproof optical cable, particularly important.In addition, conventional cable designs Longitudinal water-blocking is carried out using water blocking yarn, water-proofing powder or waterstop, belongs to water swellability and blocks water, in marine environment especially deep water When operation, since hydraulic pressure acts on, water swelling profile material often has little time to expand, and seawater penetrates into optical cable under the action of water pressure In, optical cable is formed and is destroyed.
Summary of the invention
The application technical problems to be solved are to provide a kind of flexible optical cable.
In order to solve the above-mentioned technical problem, this application provides a kind of flexible optical cable, the optical cable includes that center is reinforced Layer, armouring are stranded in more bend-insensitive tightly packaged fibers outside the central reinforcing layer, the central reinforcing layer and institute Material water-proof material, wrapped waterstop outside the bend-insensitive tightly packaged fiber are filled between the bend-insensitive tightly packaged fiber stated Cable core is formed, cable core is externally provided with multiple sheath, armouring flexible fiber reinforcing material between adjacent sheath.
Preferably, water resistance aramid fiber silk built in the central reinforcing layer.
Preferably, the bend-insensitive tightly packaged fiber quantity is 8, and diameter 0.9mm, bending described in 8 is not Circumferentially armouring is stranded in outside the central reinforcing layer sensitive tightly packaged fiber.
Preferably, the bend-insensitive tightly packaged fiber quantity is 24, diameter 0.9mm, bending described in 24 Circumferentially armouring is stranded in outside the central reinforcing layer inside and outside two layers of insensitive tightly packaged fiber point.
Preferably, the bend-insensitive tightly packaged fiber is 12 core single mode 0.9mm tightly packaged fibers, and the bending is unwise Circumferentially armouring is stranded in outside the central reinforcing layer sense tightly packaged fiber.
Preferably, the bend-insensitive tightly packaged fiber quantity is 4, diameter 0.9mm.
Preferably, the sheath quantity is 3 layers, is made of low-smoke halide-free fireproof composite polyolefine material.
Preferably, the sheath quantity is 3 layers, wherein interior 2 layers are made of fire-retardant PE, outermost layer is made of fire-retardant TPU.
Preferably, the flexible fiber reinforcing material is aramid fiber or LCP fiber or pbo fiber.
A kind of flexible optical cable of the application has fabulous flexibility under the conditions of meeting optical cable transmission performance and watertight.It is full Sufficient optical cable in use, can bear normal use under small bending.Various types diving can finally be met to draw and connect transmission, deep water Flexible/to pull transmission, naval vessels are worn storehouse transmission, aircraft traction mooring transmission etc. and are required.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the flexible optical cable of the application;
Fig. 2 is the structural schematic diagram of second of embodiment of the flexible optical cable of the application;
Fig. 3 is the structural schematic diagram of the third embodiment of the flexible optical cable of the application;
Fig. 4 is the structural schematic diagram of the 4th kind of embodiment of the flexible optical cable of the application.
Wherein: 1, central reinforcing layer;2, bend-insensitive tightly packaged fiber;3, material water-proof material;4, waterstop;5, sheath;6, Flexible fiber reinforcing material;7, gasket for packing.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
Embodiment one
As shown in Figure 1, flexible optical cable includes central reinforcing layer 1, a water resistance aramid fiber built in central reinforcing layer 1.Center adds Strong layer 1 is armoured to be twisted more bend-insensitive tightly packaged fibers 2, and the bend-insensitive tightly packaged fiber is 8 core single mode 0.9mm Tightly packaged fiber.Material water-proof material 3 is filled between the central reinforcing layer 1 and the bend-insensitive tightly packaged fiber 2, it is described Bend-insensitive tightly packaged fiber 2 outside wrapped waterstop 4 form cable core, cable core is externally provided with multiple sheath 5, adjacent sheath 5 it Between armouring flexible fiber reinforcing material 6.5 quantity of sheath is 3 layers, is made of low-smoke halide-free fireproof composite polyolefine material.Institute The flexible fiber reinforcing material 6 stated is that water resistance aramid fiber weaves.
Embodiment two
As shown in Fig. 2, the difference is that, 5 quantity of sheath is 3 layers with embodiment one, wherein interior 2 layers are resistance Combustion PE is made, and outermost layer is made of fire-retardant TPU.The bend-insensitive tightly packaged fiber 2 is 24 core single mode 0.9mm hard-pressed bale light It is fine.
Embodiment three
As shown in figure 3, the difference is that, the bend-insensitive tightly packaged fiber 2 is 4 core single modes with embodiment one 0.9mm tightly packaged fiber, cable core further include two gasket for packings, and 4 core single mode 0.9mm tightly packaged fibers and two gasket for packing armourings are stranded in Outside central reinforcing layer.
Example IV
As shown in figure 4, the difference is that, the bend-insensitive tightly packaged fiber 2 is 12 core single modes with embodiment one 0.9mm tightly packaged fiber.
Select bend-insensitive tightly packaged fiber as optical signal transmitting unit in the flexible optical cable of the application, cable core is using curved The twisted design of the bent insensitive direct armouring of tightly packaged fiber, meets optical signal transmission performance;Armouring is flexible between adjacent sheath Fibre reinforced materials guarantees that whole optical cable has lesser bending radius as load carrying unit, meets flexible design requirement.It is minimum Bending radius can≤10 times of cable outer diameters.
In the cable core of flexible optical cable, bend-insensitive tightly packaged fiber is twisted wrapped resistance after gap filling high-performance material water-proof material Water carrying material is blocked water mode using filled-type, guarantees optical cable direction waterproof performance;Transverse design selects multiple sheath structure to set Meter guarantees lateral watertight.
The cable core center of flexible optical cable, design centre reinforcement structure between multiple sheath structure, design flexible fiber armour Assembling structure (optional aramid fiber, LCP fiber, pbo fiber etc.), while guaranteeing optical cable flexibility, design, which meets, needs tensile strength It is required that;Performance is flattened in cable core structure stability+multiple sheath structure design, the shock resistance for helping to be promoted flexible optical cable simultaneously. Sheath material design selection halogen-free flameproof class high molecular material, meets the performance requirements such as optical cable salt spray resistance, moisture-proof, Halogen, fire-retardant.
According to the demand of optical fiber transmission capacity, Cable Core Number is designed.Pass through the twisted bending of armouring in batches outside central reinforcing layer Insensitive tightly packaged fiber, and the wrapped carrying material that blocks water after high-performance material water-proof material is filled, form cable core.In bend-insensitive hard-pressed bale During optical fiber cabling, priority control bend-insensitive tightly packaged fiber laying tension controls bend-insensitive hard-pressed bale in 50-200g Optical fiber twisting pitch is in 30-300mm.Multi layer extrusion is carried out to cable core and forms multiple sheath, and is flexible fine in sheath interlayer armouring Tie up reinforcing material.Control aramid fiber armouring pitch.
A kind of technical effect of flexible optical cable of the application is that bend-insensitive tightly packaged fiber is selected in design, meets optical cable Communication transmission needs;By bend-insensitive tightly packaged fiber stranded design, flexible reinforced material armor designs etc., it is soft to meet optical cable Property require, alternating bending can be used under the conditions of minimum 10 times of bending radius;Pass through the sealing filling of high-performance material water-proof material simultaneously Design and the design of multiple sheath structure, guarantee optical cable vertical and horizontal watertightness performance, to guarantee that the flexible waterproof optical cable can be grown Phase works in 0-500m marine environment;Overall structure stability ensure that optical cable under 0-500m depth condition, can bear anti- The variation of multiple hydrostatic pressing.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application Protection scope within.The protection scope of the application is subject to claims.

Claims (9)

1. a kind of flexible optical cable, which is characterized in that the optical cable includes that central reinforcing layer, armouring are stranded in the center and add More bend-insensitive tightly packaged fibers outside strong layer, between the central reinforcing layer and the bend-insensitive tightly packaged fiber Filled with material water-proof material, wrapped waterstop forms cable core outside the bend-insensitive tightly packaged fiber, and cable core is externally provided with multilayer shield It covers, armouring flexible fiber reinforcing material between adjacent sheath.
2. a kind of flexible optical cable as described in claim 1, which is characterized in that water resistance aramid fiber built in the central reinforcing layer Silk.
3. a kind of flexible optical cable as described in claim 1, which is characterized in that the bend-insensitive tightly packaged fiber is 8 cores 0.9mm tightly packaged fiber, circumferentially armouring is stranded in outside the central reinforcing layer 8 core 0.9mm tightly packaged fibers.
4. a kind of flexible optical cable as described in claim 1, which is characterized in that the bend-insensitive tightly packaged fiber is 24 cores 0.9mm tightly packaged fiber, circumferentially armouring is stranded in outside the central reinforcing layer inside and outside two layers of 24 core 0..9mm tightly packaged fibers point.
5. a kind of flexible optical cable as described in claim 1, which is characterized in that the bend-insensitive tightly packaged fiber is 4 cores 0.9mm tightly packaged fiber.
6. a kind of flexible optical cable as described in claim 1, which is characterized in that the bend-insensitive tightly packaged fiber is 12 cores Single mode 0.9mm tightly packaged fiber, circumferentially armouring is stranded in outside the central reinforcing layer bend-insensitive tightly packaged fiber.
7. a kind of flexible optical cable as described in claim 1, which is characterized in that the sheath quantity is 3 layers, is low smoke and zero halogen Flame retardant polyolefine material is made.
8. a kind of flexible optical cable as described in claim 1, which is characterized in that the sheath quantity is 3 layers, wherein 2 layers interior It is made of fire-retardant PE, outermost layer is made of fire-retardant TPU.
9. a kind of flexible optical cable as described in claim 1, which is characterized in that the flexible fiber reinforcing material be aramid fiber or LCP fiber or pbo fiber.
CN201910399008.2A 2019-05-14 2019-05-14 A kind of flexible optical cable Pending CN110045475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910399008.2A CN110045475A (en) 2019-05-14 2019-05-14 A kind of flexible optical cable

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Application Number Priority Date Filing Date Title
CN201910399008.2A CN110045475A (en) 2019-05-14 2019-05-14 A kind of flexible optical cable

Publications (1)

Publication Number Publication Date
CN110045475A true CN110045475A (en) 2019-07-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3872548A4 (en) * 2019-12-28 2022-03-16 Hengtong Optic-Electric Co., Ltd. High-and-low-temperature-resistant remote optical cable and manufacturing process therefor

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6714709B1 (en) * 1999-05-19 2004-03-30 Alcatel Optical submarine cable
CN201876585U (en) * 2010-11-30 2011-06-22 长飞光纤光缆有限公司 Flexible layer-stranding optical cable
CN102751018A (en) * 2012-07-05 2012-10-24 江苏中天科技股份有限公司 Neutral cable for deep-sea detection equipment
CN103314415A (en) * 2010-11-29 2013-09-18 普睿司曼股份公司 Method for measuring the length of an electric cable that uses an optical fibre element as a sensor
CN103728701A (en) * 2013-12-13 2014-04-16 江苏亨通光电股份有限公司 Reinforced type all-dielectric and rodent-resistant cable and manufacturing process thereof
CN105739040A (en) * 2016-05-15 2016-07-06 苏州高精特专信息科技有限公司 All-dielectric optical cable provided with filling rope and used for electric power or communication, and manufacturing method thereof
CN206479689U (en) * 2017-03-02 2017-09-08 北京鸿讯基业通信设备检测有限公司 The dual-purpose optical cable of LA light armor indoor and outdoor
CN206848530U (en) * 2017-03-31 2018-01-05 珠海汉胜科技股份有限公司 One kind blocks water flexible optical cable
CN108919447A (en) * 2018-08-31 2018-11-30 铜陵市铜都特种线缆有限公司 A kind of photoelectricity composite cable
CN209746219U (en) * 2019-05-14 2019-12-06 江苏亨通海洋光网系统有限公司 Flexible optical cable

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6714709B1 (en) * 1999-05-19 2004-03-30 Alcatel Optical submarine cable
CN103314415A (en) * 2010-11-29 2013-09-18 普睿司曼股份公司 Method for measuring the length of an electric cable that uses an optical fibre element as a sensor
CN201876585U (en) * 2010-11-30 2011-06-22 长飞光纤光缆有限公司 Flexible layer-stranding optical cable
CN102751018A (en) * 2012-07-05 2012-10-24 江苏中天科技股份有限公司 Neutral cable for deep-sea detection equipment
CN103728701A (en) * 2013-12-13 2014-04-16 江苏亨通光电股份有限公司 Reinforced type all-dielectric and rodent-resistant cable and manufacturing process thereof
CN105739040A (en) * 2016-05-15 2016-07-06 苏州高精特专信息科技有限公司 All-dielectric optical cable provided with filling rope and used for electric power or communication, and manufacturing method thereof
CN206479689U (en) * 2017-03-02 2017-09-08 北京鸿讯基业通信设备检测有限公司 The dual-purpose optical cable of LA light armor indoor and outdoor
CN206848530U (en) * 2017-03-31 2018-01-05 珠海汉胜科技股份有限公司 One kind blocks water flexible optical cable
CN108919447A (en) * 2018-08-31 2018-11-30 铜陵市铜都特种线缆有限公司 A kind of photoelectricity composite cable
CN209746219U (en) * 2019-05-14 2019-12-06 江苏亨通海洋光网系统有限公司 Flexible optical cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3872548A4 (en) * 2019-12-28 2022-03-16 Hengtong Optic-Electric Co., Ltd. High-and-low-temperature-resistant remote optical cable and manufacturing process therefor

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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Xu Rendong

Inventor after: Wu Hongdong

Inventor after: Shen Weiwei

Inventor after: Liu Kai

Inventor after: Zhuang Zhibo

Inventor before: Chen Xiaolong

Inventor before: Wu Hongdong

Inventor before: Shen Weiwei

Inventor before: Liu Kai

Inventor before: Xu Rendong

Inventor before: Zhuang Zhibo

CB03 Change of inventor or designer information
RJ01 Rejection of invention patent application after publication

Application publication date: 20190723