CN104880791A - Center tubular type band-shaped optical cable - Google Patents

Center tubular type band-shaped optical cable Download PDF

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Publication number
CN104880791A
CN104880791A CN201510285713.1A CN201510285713A CN104880791A CN 104880791 A CN104880791 A CN 104880791A CN 201510285713 A CN201510285713 A CN 201510285713A CN 104880791 A CN104880791 A CN 104880791A
Authority
CN
China
Prior art keywords
sheath
sleeve pipe
sleeves
optical cable
adjusting rope
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
CN201510285713.1A
Other languages
Chinese (zh)
Inventor
孙义兴
王耀明
许建国
彭志勇
刘�东
李涛
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.)
Chengdu Hengtong Optical Communication Co Ltd
Original Assignee
Chengdu Hengtong Optical Communication 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 Chengdu Hengtong Optical Communication Co Ltd filed Critical Chengdu Hengtong Optical Communication Co Ltd
Priority to CN201510285713.1A priority Critical patent/CN104880791A/en
Publication of CN104880791A publication Critical patent/CN104880791A/en
Pending legal-status Critical Current

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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
    • G02B6/4403Optical cables with ribbon structure
    • 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
    • G02B6/441Optical cables built up from sub-bundles
    • G02B6/4411Matrix structure
    • 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
    • G02B6/4434Central member to take up tensile loads
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention discloses a center tubular type band-shaped optical cable. The center tubular type band-shaped optical cable comprises a sheath and multiple sleeves annularly distributed at the central portion of the sheath in an array, the sleeves are internally filled with band fiber paste, fiber band superposed bodies are fixed at the central portions of the sleeves, the portion between two adjacent sleeves is provided with an adjusting rope simultaneously tangent with the outer walls of the two sleeves, the central portion of the annular body composed of the multiple sleeves is provided with a center reinforcement member simultaneously tangent with the outer walls of the sleeves, and the gap in the sheath is provided with core filling paste. When the optical cable encounters a corner area section, the sheath is deformed and distorted, the multiple sleeves extrude each other, and the adjusting ropes and the center reinforcement member can be correspondingly deformed so as to buffer the stress effect transmitted by the sheath to the sleeves and realize the purposes of ensuring compact structure inside the optical cable and improving the anti-bending and anti-loss performance of the optical cable.

Description

A kind of central tube type optical fiber ribbon cable
Technical field
The present invention relates to fiber optic cable manufacture field, specifically refer to a kind of central tube type optical fiber ribbon cable.
Background technology
In daily life, because light is more much lower in the loss of electric wire conduction than electricity in fibre-optic conduction loss, optical fiber is used as the information transmission of long distance.Most optical fiber before use must be coated by which floor operator guards, and namely the cable after coated is called as optical cable, and the protective seam of fiber outer layer and insulation course can prevent surrounding environment to the injury of optical fiber, Ru Shui, fire, electric shock etc.
And optical fiber ribbon cable has that external diameter is little, core number large, be convenient to the advantages such as concentrated welding, can be used for broadband, at a high speed, the multimedia Multi net voting information transmission of Large Copacity, and central tube type optical fiber ribbon cable is applicable to directly buried pipeline lays with built on stilts.But in the production run of central tube type optical fiber ribbon cable, multiple light belt is folded body and is easily offset in protective seam, namely certain in protective seam is concentrated on, in use once run into turning or the larger location, region of angle of bend, slight crack can be there is in protective seam because local pressure concentrates, then the serviceable life of optical cable is reduced, and the means solving this problem in prior art are, increase the filling paste in protective seam and rigid plastic material filling substrate, but this kind of mode significantly reduces the bending resistance of optical cable, the part of the force of optical cable is easily fractureed.
Summary of the invention
The object of the present invention is to provide a kind of central tube type optical fiber ribbon cable, ensure the compact of optical cable inner structure, improve the counter-bending and damage-retardation performance of optical cable.
Object of the present invention is achieved through the following technical solutions:
A kind of central tube type optical fiber ribbon cable, comprise sheath and the ringwise multiple and sleeve pipe of array distribution in the middle part of sheath, the fine cream of band is filled with in described sleeve pipe, and fibre ribbon folds the middle part of body fixed sleeving, the adjusting rope simultaneously tangent with two sleeve outer walls is installed between two adjacent described sleeve pipes, in the middle part of the annular solid that multiple described sleeve pipe is formed, be provided with the central reinforce member simultaneously tangent with multiple sleeve outer wall, and the gap location in described sheath is filled with core filling paste.For in prior art, optical fiber ribbon cable easily fractures or the problem of slight crack easily appears in its insulation outer wall, the present invention first fills core filling paste in sheath, jacket inner wall is completely supported, again multiple inside is filled be with fine cream sleeve pipe ringwise and arranged in arrays in sheath, ensure the outer circle wall of sleeve pipe and the contact internal walls of sheath simultaneously, then multiple adjusting rope is fixed on two adjacent sleeve pipes direct, and the outer wall meeting adjusting rope is simultaneously tangent with two sleeve outer walls, in the middle part of the annular solid finally formed at multiple sleeve pipe, the central reinforce member linearly tangent with annular solid inwall is set, namely the processing of central tube type optical fiber ribbon cable is completed, and the present invention in use, when running into turning or the larger location, region of bending amplitude, sheath generation deformation distortion, mutually extrude between the sleeve pipe now between sheath inside, and lay respectively at the adjusting rope at jacket inner wall side and sheath center and central reinforce member can the twisting stress that is subject to of needle shield and make corresponding deformation, effect of stress effect on sleeve pipe is passed to cushion sheath, gap location simultaneously in sleeve pipe and sheath is all filled with the fine cream of band, core filling paste, the effect can also playing mechanical damping while body is fixed can be folded to a certain extent to sleeve pipe and fibre ribbon, and moisture to external world plays obstruct to ensure that fibre ribbon folds the stable serviceability of body, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Described jacket inner wall is disposed with composite steel-plastic belt, belting layer along the radial inward of described sheath, and the outer wall of described sleeve pipe and adjusting rope all contacts with the inwall of belting layer.The composite steel-plastic belt radially-inwardly set gradually along sheath, belting layer play multi-stage protection effect to sleeve pipe simultaneously, and composite steel-plastic belt can further improve the bend performance of optical cable simultaneously, so be reduced in cable bend stressed time fibre ribbon fold the impaired probability of body.
Described adjusting rope is nylon rope or rubber rope.As preferably, nylon rope or rubber rope will be selected as adjusting rope, and can make adjusting rope under the environment of filling paste, keep the characteristic of its mechanical damping, and simultaneously in long-term use procedure, prevent adjusting rope from rupturing and affecting the stability in use of optical cable.
The area of described adjusting rope xsect is 1/4th of casing profile area.As preferably, the cross-sectional area of adjusting rope is set to 1/4th of sleeve pipe cross-sectional area, while the mechanical damping characteristic ensureing adjusting rope, reduces the space hold of adjusting rope in sheath, realize the internal space layout of optical cable optimum, improve the serviceability of optical cable.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when running into turning or the larger location, region of bending amplitude, sheath generation deformation distortion, mutually extrude between the sleeve pipe now between sheath inside, and lay respectively at the adjusting rope at jacket inner wall side and sheath center and central reinforce member can the twisting stress that is subject to of needle shield and make corresponding deformation, effect of stress effect on sleeve pipe is passed to cushion sheath, gap location simultaneously in sleeve pipe and sheath is all filled with the fine cream of band, core filling paste, the effect can also playing mechanical damping while body is fixed can be folded to a certain extent to sleeve pipe and fibre ribbon, and moisture to external world plays obstruct to ensure that fibre ribbon folds the stable serviceability of body, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable,
2, the present invention radially-inwardly sets gradually along sheath composite steel-plastic belt, belting layer play multi-stage protection effect to sleeve pipe simultaneously, simultaneously composite steel-plastic belt can further improve the bend performance of optical cable, so be reduced in cable bend stressed time fibre ribbon fold the impaired probability of body;
3, the cross-sectional area of adjusting rope is set to 1/4th of sleeve pipe cross-sectional area by the present invention, while the mechanical damping characteristic ensureing adjusting rope, reduce the space hold of adjusting rope in sheath, realize the internal space layout of optical cable optimum, improve the serviceability of optical cable.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-sheath, 2-sleeve pipe, 3-composite steel-plastic belt, 4-belting layer, 5-core filling paste, 6-central reinforce member, 7-adjusting rope, 8-fibre ribbon fold body, 9-is with fine cream.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises sheath 1 and the ringwise multiple and sleeve pipe 2 that array distribution is in the middle part of sheath 1, the fine cream 9 of band is filled with in described sleeve pipe 2, and fibre ribbon folds the middle part of body 8 fixed sleeving 2, the adjusting rope 7 simultaneously tangent with two sleeve pipe 2 outer walls is installed between two adjacent described sleeve pipes 2, in the middle part of the annular solid that multiple described sleeve pipe 2 is formed, be provided with the central reinforce member 6 simultaneously tangent with multiple sleeve pipe 2 outer wall, and the gap location in described sheath 1 is filled with core filling paste 5.
For in prior art, optical fiber ribbon cable easily fractures or the problem of slight crack easily appears in its insulation outer wall, the present invention first fills core filling paste 5 in sheath 1, sheath 1 inwall is completely supported, again multiple inside is filled be with fine cream 9 sleeve pipe 2 ringwise and arranged in arrays in sheath 1, ensure the outer circle wall of sleeve pipe 2 and the contact internal walls of sheath 1 simultaneously, then multiple adjusting rope 7 is fixed on two adjacent sleeve pipes 2 direct, and the outer wall meeting adjusting rope 7 is simultaneously tangent with two sleeve pipe 2 outer walls, finally the central reinforce member 6 linearly tangent with annular solid inwall is set in the middle part of the annular solid of multiple sleeve pipe 2 formation, namely the processing of central tube type optical fiber ribbon cable is completed, and the present invention in use, when running into turning or the larger location, region of bending amplitude, there is deformation distortion in sheath 1, mutually extrude between the sleeve pipe 2 now between sheath 1 inside, and lay respectively at the adjusting rope 7 at sheath 1 inwall side and sheath 1 center and central reinforce member 6 can the twisting stress that is subject to of needle shield 1 and make corresponding deformation, effect of stress effect on sleeve pipe 2 is passed to cushion sheath 1, gap location simultaneously in sleeve pipe 2 and sheath 1 is all filled with the fine cream 9 of band, core filling paste 5, the effect can also playing mechanical damping while body 8 is fixed can be folded to a certain extent to sleeve pipe 2 and fibre ribbon, and moisture to external world plays obstruct to ensure that fibre ribbon folds the stable serviceability of body 8, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Further, the radial inward along described sheath 1 on described sheath 1 inwall is disposed with composite steel-plastic belt 3, belting layer 4, and the outer wall of described sleeve pipe 2 and adjusting rope 7 all contacts with the inwall of belting layer 4.The composite steel-plastic belt 3 radially-inwardly set gradually along sheath 1, belting layer 4 play multi-stage protection effect to sleeve pipe 2 simultaneously; simultaneously composite steel-plastic belt 3 can further improve the bend performance of optical cable, so be reduced in cable bend stressed time fibre ribbon fold the impaired probability of body 8.
As preferably, nylon rope or rubber rope will be selected as adjusting rope 7, and can make adjusting rope 7 under the environment of filling paste, keep the characteristic of its mechanical damping, and simultaneously in long-term use procedure, prevent adjusting rope 7 from rupturing and affecting the stability in use of optical cable.
As preferably, the cross-sectional area of adjusting rope 7 is set to 1/4th of sleeve pipe 2 cross-sectional area, while the mechanical damping characteristic ensureing adjusting rope 7, reduces the space hold of adjusting rope 7 in sheath 1, realize the internal space layout of optical cable optimum, improve the serviceability of optical cable.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. a central tube type optical fiber ribbon cable, comprise sheath (1) and the ringwise multiple and array distribution sleeve pipe (2) at sheath (1) middle part, the fine cream of band (9) is filled with in described sleeve pipe (2), and fibre ribbon folds the middle part of body (8) fixed sleeving (2), it is characterized in that: the adjusting rope (7) simultaneously tangent with two sleeve pipe (2) outer walls is installed between two adjacent described sleeve pipes (2), the central reinforce member (6) simultaneously tangent with multiple sleeve pipe (2) outer wall is provided with in the middle part of the annular solid that multiple described sleeve pipe (2) is formed, and the gap location in described sheath (1) is filled with core filling paste (5).
2. a kind of central tube type optical fiber ribbon cable according to claim 1, it is characterized in that: on described sheath (1) inwall, be disposed with composite steel-plastic belt (3), belting layer (4) along the radial inward of described sheath (1), the outer wall of described sleeve pipe (2) and adjusting rope (7) all contacts with the inwall of belting layer (4).
3. a kind of central tube type optical fiber ribbon cable according to claim 1 and 2, is characterized in that: described adjusting rope (7) is nylon rope or rubber rope.
4. a kind of central tube type optical fiber ribbon cable according to claim 3, is characterized in that: the area of described adjusting rope (7) xsect is 1/4th of sleeve pipe (2) area of section.
CN201510285713.1A 2015-05-29 2015-05-29 Center tubular type band-shaped optical cable Pending CN104880791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510285713.1A CN104880791A (en) 2015-05-29 2015-05-29 Center tubular type band-shaped optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510285713.1A CN104880791A (en) 2015-05-29 2015-05-29 Center tubular type band-shaped optical cable

Publications (1)

Publication Number Publication Date
CN104880791A true CN104880791A (en) 2015-09-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514926A (en) * 2021-04-29 2021-10-19 杭州富通通信技术股份有限公司 Optical fiber ribbon cable
CN114296194A (en) * 2021-12-29 2022-04-08 江苏俊知光电通信有限公司 Pressure-resistant optical fiber ribbon cable and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020044751A1 (en) * 1998-09-10 2002-04-18 Logan Eric R. Strengthened fiber optic cable
CN1748165A (en) * 2003-02-19 2006-03-15 Ls电线有限公司 All-dielectric, self-supporting, loose-tube optical fiber cable
CN102621647A (en) * 2012-02-07 2012-08-01 常熟市谷雷特机械产品设计有限公司 Irregular cable
CN202563138U (en) * 2012-04-28 2012-11-28 汕头高新区奥星光通信设备有限公司 Semi-dry stranded loose tube type optical fiber ribbon optical cable
CN103149650A (en) * 2011-12-07 2013-06-12 上海电缆研究所 Underwater special type wire cable and optical unit structure thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020044751A1 (en) * 1998-09-10 2002-04-18 Logan Eric R. Strengthened fiber optic cable
CN1748165A (en) * 2003-02-19 2006-03-15 Ls电线有限公司 All-dielectric, self-supporting, loose-tube optical fiber cable
CN103149650A (en) * 2011-12-07 2013-06-12 上海电缆研究所 Underwater special type wire cable and optical unit structure thereof
CN102621647A (en) * 2012-02-07 2012-08-01 常熟市谷雷特机械产品设计有限公司 Irregular cable
CN202563138U (en) * 2012-04-28 2012-11-28 汕头高新区奥星光通信设备有限公司 Semi-dry stranded loose tube type optical fiber ribbon optical cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514926A (en) * 2021-04-29 2021-10-19 杭州富通通信技术股份有限公司 Optical fiber ribbon cable
CN113514926B (en) * 2021-04-29 2023-04-11 杭州富通通信技术股份有限公司 Optical fiber ribbon cable
CN114296194A (en) * 2021-12-29 2022-04-08 江苏俊知光电通信有限公司 Pressure-resistant optical fiber ribbon cable and preparation method thereof

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Application publication date: 20150902