WO2017177875A1 - Faisceau de fibres optiques, câble optique, et procédé de fabrication pour un faisceau de fibres optiques - Google Patents

Faisceau de fibres optiques, câble optique, et procédé de fabrication pour un faisceau de fibres optiques Download PDF

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Publication number
WO2017177875A1
WO2017177875A1 PCT/CN2017/079895 CN2017079895W WO2017177875A1 WO 2017177875 A1 WO2017177875 A1 WO 2017177875A1 CN 2017079895 W CN2017079895 W CN 2017079895W WO 2017177875 A1 WO2017177875 A1 WO 2017177875A1
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WO
WIPO (PCT)
Prior art keywords
fiber
optical
bundle
bundles
fibers
Prior art date
Application number
PCT/CN2017/079895
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English (en)
Chinese (zh)
Inventor
赵现伟
史烨婷
张书强
鲁鸽
牛丽澄
Original Assignee
富通住电特种光缆（天津）有限公司
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Application filed by 富通住电特种光缆（天津）有限公司 filed Critical 富通住电特种光缆（天津）有限公司
Publication of WO2017177875A1 publication Critical patent/WO2017177875A1/fr

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    • 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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • 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
    • G02B6/441—Optical cables built up from sub-bundles
    • 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
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • 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
    • G02B6/4479—Manufacturing methods of optical cables

Definitions

  • the present invention relates to the field of optical fiber technologies, and in particular to a fiber bundle, an optical cable, and a method for manufacturing a fiber bundle.
  • optical cable demand With the development of domestic FTTx and the popularity of 4G networks, the further development of 5G and Internet of Things, the environment for optical cable demand is increasing, and the different needs for optical cables are becoming more diverse. Due to the limitations of domestic infrastructure construction, optical cable resources and line resources are increasingly scarce. Therefore, in terms of cable demand, optical fiber cores with large density, small outer diameter, bending resistance, and cost-effective fiber optic cables are increasingly favored by network operators.
  • the conventional structure of the conventional fiber bundle is as shown in Fig. 1, and a resin-made fixed layer 12 covering the bundle of the fibers is formed on the outer side of the bundle of the fibers formed by the bundle of the plurality of fibers 11.
  • the resin-made fixed layer 12 is formed along the entire longitudinal direction of the optical fiber 11, and the plurality of optical fibers 11 are completely covered in the longitudinal direction.
  • the fixed layer 12 is integrally formed along the longitudinal direction of the optical fiber 11, the weight of the bundle is increased. Further, in the operation of connecting the two fiber bundles, it is necessary to carefully peel the fixed layer so as to expose the optical fibers 11 in the bundle, and then connect the corresponding fibers. In the work of cutting and peeling the fixed layer, there is a problem that the optical fiber is damaged due to excessive shear force, and the cutting operation is manual work and consumes man-hours.
  • the present invention provides a fiber bundle that reduces weight and cost, is easy to connect optical fibers, and a method of manufacturing the same.
  • the present invention provides an optical cable comprising a plurality of fiber bundles, each of which can be easily distinguished by color.
  • a fiber bundle comprising: a plurality of optical fibers, a cluster arrangement And the resin fixing portions are provided at predetermined intervals along the longitudinal direction of the optical fiber, and the plurality of optical fibers are built therein.
  • the resin fixing portion is formed by curing a curable resin by ultraviolet light irradiation.
  • the plurality of optical fibers have different colors.
  • the colors of the resin fixing portions of the plurality of fiber bundles are different.
  • an optical cable provided by the present invention includes: a plurality of fiber bundle group tubes arranged in parallel, each fiber bundle group tube having a plurality of fiber bundles as described above and an optical fiber sleeved outside the plurality of fiber bundles a bundle sleeve; a skein, a metal strip, and a sheath that are sequentially coated on the outside of the plurality of bundles.
  • the optical cable further includes: a reinforcing member disposed at a center of the plurality of fiber bundle group tubes.
  • a filler for fixing a relative position of the plurality of bundles of the bundles is further provided inside the bundle.
  • the bundles of the bundles of the plurality of bundles are different in color.
  • the color of the resin fixing portions of the plurality of fiber bundles in each of the bundles of the fiber bundles is different.
  • the present invention provides a fiber bundle manufacturing method comprising the steps of: arranging a plurality of fibers side by side to form a bundle of fibers; pulling the bundle of fibers at a prescribed speed while along the length of the fiber and The curable resin is uniformly applied to the outer periphery of the fiber bundle at regular intervals; the applied curable resin is sequentially irradiated with ultraviolet light to be cured, and a resin fixing portion that coats and fixes the bundle of the fibers is formed.
  • the present invention as described above, not only the weight of the entire fiber bundle and the manufacturing cost are reduced, but also the operation of connecting the optical fibers is facilitated. Further, since the resin fixing portion, the sleeve, and the optical fiber of each of the optical fiber bundles are used in different colors, it is possible to easily distinguish and manufacture a large-diameter optical cable.
  • Figure 1 is a perspective view showing a specific structure of a conventional fiber bundle
  • Figure 2 is a perspective view showing a specific structure of a fiber bundle according to the present invention.
  • Fig. 3 is a transverse cross-sectional view showing an optical cable including the optical fiber bundle according to the present invention.
  • Fig. 2 is a perspective view showing a specific structure of a fiber bundle according to the present invention.
  • the optical fiber bundle according to the present invention includes a plurality of optical fibers 21 bundled together and a resin fixing portion 22 that coats the light.
  • the plurality of optical fibers 21 are, for example, colored optical fibers, and may be disposed such that the colors of the respective optical fibers are different to distinguish the respective optical fibers.
  • a resin fixing portion 22 is provided at regular intervals along the longitudinal direction of the optical fiber 21, and all of the plurality of optical fibers 21 are built therein.
  • the resin fixing portion 22 that covers the optical fiber 21 can fix the relative position of each of the optical fibers 21, thereby preventing the fibers after molding from being pulsated and causing a difference in fiber length and instability.
  • a curable resin may be applied to the outer circumference of the plurality of optical fibers 21 in a longitudinal direction at regular intervals, and then the resin may be cured by ultraviolet irradiation to form the resin fixing portion. twenty two.
  • a plurality of optical fibers 21 are bundled together to form, for example, a bundle of fibers of a substantially cylindrical shape.
  • the plurality of optical fibers may use different colors.
  • the curable resin covering the bundle of the fibers is uniformly coated on the outer periphery of the bundle of fibers along the longitudinal direction of the fibers at regular intervals.
  • the applied curable resin is sequentially irradiated with ultraviolet light to be cured, thereby forming a resin fixing portion 22 capable of tightly coating and fixing the bundle of the optical fibers.
  • Figure 3 is a cross-sectional view showing a fiber optic cable including the fiber bundle.
  • the optical cable of the present invention is shown in FIG. 3, and the optical cable includes four fiber bundle group tubes 31, 32, 33, and 34 according to the present invention as described above, and each of the fiber bundle group tubes is an optical fiber related to the three fundamental inventions.
  • the bundles 30 are bundled together and formed by arranging a bundle of fiber bundles 40 on the outside. It is also possible to fill the composite between the bundle of fibers 30 and the bundle of bundles 40 in order to effectively fix the relative positions of the individual bundles.
  • the cable further includes a reinforcing member 35 at the center portion, which is usually composed of a steel wire or the like, which can increase the tensile strength of the entire cable. Further, on the outside of the four fiber bundle group tubes 31, 32, 33, 34 and the reinforcing member 35, the yarn 36, the metal belt 37, and the sheath 38 may be sequentially disposed.
  • the respective fiber bundle sleeves 40, the resin fixing portions 22 of the respective fiber bundles, and the respective optical fibers 21 may be of different colors.
  • a filler 39 may be provided inside the wire 30.
  • the diameter of the filler 39 is determined according to the diameter and number of the fiber bundles.
  • the structure in which the optical fiber cable includes three fiber bundle group tubes, each of the fiber bundle group tubes and the three fiber bundles is taken as an example, but it is needless to say that the present invention does not particularly limit the fiber bundle group tube. And the specific number of fiber bundles and fibers.
  • the resin fixing portions of the fiber bundles are spaced apart along the longitudinal direction of the optical fibers, thereby reducing the weight of the entire fiber bundle and the manufacturing cost, and simplifying the operation of connecting the optical fibers.
  • the optical fiber cable includes a plurality of optical fiber bundles according to the present invention, and the resin fixing portions, the sleeves, and the optical fibers of the respective optical fiber bundles are used in different colors. Therefore, it is possible to easily distinguish the optical fiber cables of a large diameter.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

La présente invention se rapporte à un faisceau de fibres optiques, à un câble optique, et à un procédé de fabrication pour un faisceau de fibres optiques. Un faisceau de fibres optiques (30) comprend : une pluralité de fibres optiques (21) disposées en faisceau et agencées ensemble ; et des parties en résine fixes (22) placées à des intervalles spécifiés le long de la direction de la longueur des fibres optiques (21), une pluralité de fibres optiques (21) étant installées dans ces parties. Selon cette structure, les poids et coût globaux du faisceau de fibres optiques (30) peuvent être réduits, et la connexion de toutes les fibres optiques (21) est facilement réalisée.
PCT/CN2017/079895 2016-04-15 2017-04-10 Faisceau de fibres optiques, câble optique, et procédé de fabrication pour un faisceau de fibres optiques WO2017177875A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610239542.3 2016-04-15
CN201610239542.3A CN105759347A (zh) 2016-04-15 2016-04-15 光纤束、光缆以及光纤束制造方法

Publications (1)

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WO2017177875A1 true WO2017177875A1 (fr) 2017-10-19

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PCT/CN2017/079895 WO2017177875A1 (fr) 2016-04-15 2017-04-10 Faisceau de fibres optiques, câble optique, et procédé de fabrication pour un faisceau de fibres optiques

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CN (1) CN105759347A (fr)
WO (1) WO2017177875A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105759347A (zh) * 2016-04-15 2016-07-13 富通住电特种光缆（天津）有限公司 光纤束、光缆以及光纤束制造方法
CN110187446A (zh) * 2019-06-03 2019-08-30 江苏法尔胜光电科技有限公司 一种多芯数集束光纤连接器制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482341A1 (fr) * 2003-05-26 2004-12-01 Alcatel Micro-câble à fibres optiques compact
CN101533136A (zh) * 2009-04-28 2009-09-16 天津市立孚光电线缆开发有限公司 防雷击层绞式光缆
CN103587018A (zh) * 2013-10-21 2014-02-19 广东亨通光电科技有限公司 一种束状光纤成型所用模具系统及成型方法
CN103587019A (zh) * 2013-10-21 2014-02-19 广东亨通光电科技有限公司 一种光纤束的成型设备及其成型方法
CN104808303A (zh) * 2015-04-20 2015-07-29 江苏通能信息有限公司 一种卷带式光单元光缆及其制造工艺
CN105759347A (zh) * 2016-04-15 2016-07-13 富通住电特种光缆（天津）有限公司 光纤束、光缆以及光纤束制造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482341A1 (fr) * 2003-05-26 2004-12-01 Alcatel Micro-câble à fibres optiques compact
CN101533136A (zh) * 2009-04-28 2009-09-16 天津市立孚光电线缆开发有限公司 防雷击层绞式光缆
CN103587018A (zh) * 2013-10-21 2014-02-19 广东亨通光电科技有限公司 一种束状光纤成型所用模具系统及成型方法
CN103587019A (zh) * 2013-10-21 2014-02-19 广东亨通光电科技有限公司 一种光纤束的成型设备及其成型方法
CN104808303A (zh) * 2015-04-20 2015-07-29 江苏通能信息有限公司 一种卷带式光单元光缆及其制造工艺
CN105759347A (zh) * 2016-04-15 2016-07-13 富通住电特种光缆（天津）有限公司 光纤束、光缆以及光纤束制造方法

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