WO2019128472A1 - Symmetrical parallel butterfly fiber optic drop cable - Google Patents

Symmetrical parallel butterfly fiber optic drop cable Download PDF

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Publication number
WO2019128472A1
WO2019128472A1 PCT/CN2018/114095 CN2018114095W WO2019128472A1 WO 2019128472 A1 WO2019128472 A1 WO 2019128472A1 CN 2018114095 W CN2018114095 W CN 2018114095W WO 2019128472 A1 WO2019128472 A1 WO 2019128472A1
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light unit
drop cable
parallel butterfly
symmetric parallel
cable according
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PCT/CN2018/114095
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French (fr)
Chinese (zh)
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王胡江
林卫峰
高峰
王宇亮
蒋北
刘沛东
沈晨曦
胡静红
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江苏亨通光电股份有限公司
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Application filed by 江苏亨通光电股份有限公司 filed Critical 江苏亨通光电股份有限公司
Publication of WO2019128472A1 publication Critical patent/WO2019128472A1/en

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Strengthening and protecting features
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Strengthening and protecting features
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements

Abstract

A symmetrical parallel butterfly fiber optic drop cable, comprising a first optical unit (1) and a second optical unit (2) which is symmetrical with the first optical unit (1), the first optical unit (1) and the second optical unit (2) being the same in structure. Each of the first optical unit (1) and the second optical unit (2) comprises an optical fiber (10). Non-metal strengthening members (20) are provided symmetrically at two sides of the optical fiber (10); the periphery of the optical fiber (10) and the non-metal strengthening members (20) are covered with a sheath layer (30); the sheath layer (30) is provided with two symmetrical V-shaped slots (40). The sheath layer (30) comprises the following materials in parts by weight: 100 parts of matrix resin, 50-70 parts of flame retardant, 3-10 parts of flame retardant synergist, 5-15 parts of solubilizing agent, 0.5-2 parts of coupling agent, 0.5-0.8 part of antioxidant, and 0.5-1 part of coloring agent. The fiber optic cable is high in modulus and strength, light, and environment-friendly, and also has excellent properties such as bending resistance and tensile fatigue resistance.

Description

一种对称并行蝶形引入光缆Symmetric parallel butterfly-shaped cable 技术领域Technical field
本发明涉及光缆领域,尤其是一种对称并行蝶形引入光缆。The invention relates to the field of optical cables, in particular to a symmetric parallel butterfly-introducing optical cable.
背景技术Background technique
传统的蝶形引入光缆结构有两种,一种是带有吊线的,一种是不带吊线的,传统的蝶形引入光缆在使用领域上的局限性逐步体现出来。在未来的3—5年内,接入网光缆市场将面临着巨大需求市场,新开发的FTTH对称并行蝶形引入光缆作为一种具备安全、有效、便捷等多种优势于一体的产品,将会助推全光网络的实现。There are two kinds of traditional butterfly-shaped cable-introduction structures, one with hanging wires and one without hanging wires. The limitations of the traditional butterfly-introducing optical cables in the field of use are gradually reflected. In the next 3-5 years, the access network cable market will face a huge demand market, and the newly developed FTTH symmetric parallel butterfly cable will be used as a product with safety, efficiency and convenience. Boost the implementation of all-optical networks.
发明内容Summary of the invention
本发明要解决的技术问题是提供一种对称并行蝶形引入光缆,该光缆具有高模量、高强度、轻质、环保等特点,同时还具有优异的耐弯曲和抗拉伸疲劳等性能。The technical problem to be solved by the present invention is to provide a symmetric parallel butterfly-introducing optical cable, which has the characteristics of high modulus, high strength, light weight, environmental protection, and the like, and also has excellent resistance to bending and tensile fatigue.
为了解决上述技术问题,本发明提供了一种对称并行蝶形引入光缆,其包括第一光单元和与所述第一光单元对称的第二光单元,所述第一光单元和第二光单元结构相同,所述第一光单元和第二光单元均包括:光纤,所述光纤的两侧对称设有非金属加强件,所述光纤与所述非金属加强件外周包覆有护套层,所述护套层上设有两个相互对称的V形槽;In order to solve the above technical problem, the present invention provides a symmetric parallel butterfly drop cable comprising a first light unit and a second light unit symmetrical with the first light unit, the first light unit and the second light The first light unit and the second light unit each include: an optical fiber, and two sides of the optical fiber are symmetrically provided with a non-metallic reinforcing member, and the optical fiber and the non-metallic reinforcing member are sheathed on the outer circumference. a layer, the sheath layer is provided with two mutually symmetric V-shaped grooves;
按照重量份数计,所述护套层的材料包括:The material of the sheath layer comprises, by weight:
Figure PCTCN2018114095-appb-000001
Figure PCTCN2018114095-appb-000001
Figure PCTCN2018114095-appb-000002
Figure PCTCN2018114095-appb-000002
优选地,所述基体树脂包括:EVA、POE、PE,其中EVA中VA含量为28%。Preferably, the matrix resin comprises: EVA, POE, PE, wherein the VA content in the EVA is 28%.
优选地,所述阻燃剂为氢氧化铝或氢氧化镁。Preferably, the flame retardant is aluminum hydroxide or magnesium hydroxide.
优选地,所述阻燃协同剂为聚磷酸铵。Preferably, the flame retardant synergist is ammonium polyphosphate.
优选地,所述偶联剂为硅烷偶联剂。Preferably, the coupling agent is a silane coupling agent.
优选地,还包括钢丝吊线,所述钢丝吊线设置在所述第一光单元和第二光单元之间,所述护套层包覆在所述第一光单元、钢丝吊线、第二光单元之间。Preferably, further comprising a wire hanging wire disposed between the first light unit and the second light unit, the sheath layer covering the first light unit, the wire hanging wire, and the second light unit between.
优选地,所述非金属加强件包括:高强度纱,所述高强度纱的外周为粘结层,所述粘结层的外周为挤塑层,所述挤塑层的厚度小于所述粘结层的厚度。Preferably, the non-metallic reinforcing member comprises: a high-strength yarn, an outer circumference of the high-strength yarn is an adhesive layer, an outer circumference of the adhesive layer is an extruded layer, and the thickness of the extruded layer is smaller than the adhesive The thickness of the layer.
优选地,所述高强度纱设置在所述非金属加强件的中心位置处,所述高强度纱组成的圆柱的半径不小于所述粘结层的厚度。Preferably, the high-strength yarn is disposed at a center position of the non-metallic reinforcing member, and the radius of the cylinder composed of the high-strength yarn is not less than the thickness of the bonding layer.
本发明的技术效果:Technical effects of the present invention:
1、本发明的对称并行蝶形引入光缆使光缆更加轻质化,减小光缆重量和直径,能够适应复杂施工环境。1. The symmetric parallel butterfly-introducing optical cable of the present invention makes the optical cable more lightweight, reduces the weight and diameter of the optical cable, and can adapt to a complicated construction environment.
2、本发明的对称并行蝶形引入光缆一端对接网络,另一端对接4K高清视频终端设备,采用的是一根光缆,敷设简单,节省空间,易于安装,为产品的推广和应用提供了助力,也为接入网的发展提供一种全新的解决方案。2. The symmetric parallel butterfly-introducing cable of the present invention is connected to the network at one end, and the other end is connected to the 4K high-definition video terminal device, which adopts an optical cable, which is simple to lay, saves space and is easy to install, and provides assistance for product promotion and application. It also provides a new solution for the development of access networks.
3、本发明的对称并行蝶形光缆相比传统光缆节省了原材料,环境友好,满足社会对低碳、环保更高的要求,提高了光缆产品的布线效率和接通率,而且能给用户带来性能的提升和成本的节省,为通信网络提供了更可靠、更经济的解决方案,也为我国FTTx建设的大发展奠定了成本基础。3. The symmetric parallel butterfly optical cable of the invention saves raw materials and environment friendly compared with the traditional optical cable, meets the requirements of the society for lower carbon and environmental protection, improves the wiring efficiency and the connection rate of the optical cable product, and can bring the user with The performance improvement and cost saving provide a more reliable and economical solution for the communication network, and also lay a cost foundation for the great development of China's FTTx construction.
4、本发明的非金属加强件能够提高非金属件抗拉伸力,使得光缆具有优异的耐弯曲和抗拉伸疲劳等性能。4. The non-metallic reinforcing member of the invention can improve the tensile strength of the non-metal member, so that the optical cable has excellent resistance to bending and tensile fatigue.
附图说明DRAWINGS
图1是本发明实施例1中引入光缆的结构示意图;1 is a schematic structural view of an optical fiber cable introduced in Embodiment 1 of the present invention;
图2是本发明实施例2中引入光缆的结构示意图;2 is a schematic structural view of an optical fiber cable according to Embodiment 2 of the present invention;
图3是本发明非金属加强件的截面图;Figure 3 is a cross-sectional view of the non-metallic reinforcement of the present invention;
图中标号说明:The label in the figure shows:
10-光纤,20-非金属加强件,30-护套层,40-V形槽,50-钢丝吊线,1-第一光单元,2-第二光单元。10-fiber, 20-non-metallic reinforcement, 30-sheath, 40-V groove, 50-wire suspension, 1-first light unit, 2-second light unit.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明作进一步说明,以使本领域的技术人员可以更好地理解本发明并能予以实施,但所举实施例不作为对本发明的限定。The present invention will be further described in conjunction with the accompanying drawings and specific embodiments, which are to be understood by those skilled in the art.
实施例1Example 1
如图1所示,本发明的对称并行蝶形引入光缆的一实施例,其结构主要是:第一光单元1和与所述第一光单元1对称的第二光单元2,所述第一光单元1和第二光单元2结构相同,所述第一光单元1和第二光单元2均包括:光纤10,所述光纤10的两侧对称设有非金属加强件20,所述光纤10与所述非金属加强件20外周包覆有护套层30,所述护套层30上设有两个相互对称的V形槽40。As shown in FIG. 1, an embodiment of a symmetric parallel butterfly drop cable of the present invention is mainly configured by: a first light unit 1 and a second light unit 2 symmetric with the first light unit 1, the A light unit 1 and a second light unit 2 are identical in structure, and the first light unit 1 and the second light unit 2 each include: an optical fiber 10, and two sides of the optical fiber 10 are symmetrically provided with a non-metallic reinforcing member 20, The outer periphery of the optical fiber 10 and the non-metallic reinforcing member 20 is covered with a sheath layer 30, and the sheath layer 30 is provided with two mutually symmetric V-shaped grooves 40.
其中,如图2所示,所述非金属加强件20包括:高强度纱201,所述高强度纱201的外周为粘结层202,所述粘结层202的外周为挤塑层203,所述挤塑层203的厚度小于所述粘结层202的厚度。As shown in FIG. 2, the non-metallic reinforcing member 20 includes: a high-strength yarn 201, an outer circumference of the high-strength yarn 201 is an adhesive layer 202, and an outer circumference of the adhesive layer 202 is an extruded layer 203. The thickness of the extruded layer 203 is less than the thickness of the bonding layer 202.
所述高强度纱201设置在所述非金属加强件20的中心位置处,所述高强度纱201组成的圆柱的半径不小于所述粘结层202的厚度。这种结构的设置能够提高非金属件抗拉伸力,满足非金属加强件在本实施例中引入光缆的使用。The high-strength yarn 201 is disposed at a center position of the non-metallic reinforcing member 20, and the radius of the cylinder composed of the high-strength yarn 201 is not less than the thickness of the bonding layer 202. The arrangement of such a structure can improve the tensile strength of the non-metallic member and satisfy the use of the non-metallic reinforcing member to introduce the optical cable in this embodiment.
在本实施例中,按照重量份数计,所述护套层的材料包括:In this embodiment, the material of the sheath layer comprises, by weight:
Figure PCTCN2018114095-appb-000003
Figure PCTCN2018114095-appb-000003
Figure PCTCN2018114095-appb-000004
Figure PCTCN2018114095-appb-000004
其中,在本实施例中,所述基体树脂包括:EVA、POE、PE,其中EVA中VA含量为28%。Wherein, in the embodiment, the matrix resin comprises: EVA, POE, PE, wherein the VA content in the EVA is 28%.
所述阻燃剂为氢氧化铝或氢氧化镁。The flame retardant is aluminum hydroxide or magnesium hydroxide.
所述阻燃协同剂为聚磷酸铵。The flame retardant synergist is ammonium polyphosphate.
所述偶联剂为硅烷偶联剂。The coupling agent is a silane coupling agent.
实施例2Example 2
实施例2中公开了一种蝶形引入光缆,其结构:其结构主要是:第一光单元1和与所述第一光单元1对称的第二光单元2,在所述第一光单元1和第二光单元2之间设有钢丝吊线50,所述第一光单元1和第二光单元2结构相同,所述第一光单元1和第二光单元2均包括:光纤10,所述光纤10的两侧对称设有非金属加强件20,所述光纤10、所述非金属加强件20、钢丝吊线50外周包覆有护套层30,所述护套层30上设有两个相互对称的V形槽40。A butterfly-shaped drop cable is disclosed in Embodiment 2, the structure of which is mainly: a first light unit 1 and a second light unit 2 symmetrical with the first light unit 1, in the first light unit A wire suspension wire 50 is disposed between the first light unit 1 and the second light unit 2, and the first light unit 1 and the second light unit 2 each include: an optical fiber 10, The non-metallic reinforcing member 20 is symmetrically disposed on the two sides of the optical fiber 10. The optical fiber 10, the non-metallic reinforcing member 20, and the wire hanging wire 50 are coated with a sheath layer 30 on the outer periphery thereof. Two mutually symmetrical V-shaped grooves 40.
其中,如图2所示,所述非金属加强件20包括:高强度纱201,所述高强度纱201的外周为粘结层202,所述粘结层202的外周为挤塑层203,所述挤塑层203的厚度小于所述粘结层202的厚度。As shown in FIG. 2, the non-metallic reinforcing member 20 includes: a high-strength yarn 201, an outer circumference of the high-strength yarn 201 is an adhesive layer 202, and an outer circumference of the adhesive layer 202 is an extruded layer 203. The thickness of the extruded layer 203 is less than the thickness of the bonding layer 202.
所述高强度纱201设置在所述非金属加强件20的中心位置处,所述高强度纱201组成的圆柱的半径不小于所述粘结层202的厚度。这种结构的设置能够提高非金属件抗拉伸力,满足非金属加强件在本实施例中引入光缆的使用。The high-strength yarn 201 is disposed at a center position of the non-metallic reinforcing member 20, and the radius of the cylinder composed of the high-strength yarn 201 is not less than the thickness of the bonding layer 202. The arrangement of such a structure can improve the tensile strength of the non-metallic member and satisfy the use of the non-metallic reinforcing member to introduce the optical cable in this embodiment.
在本实施例中,按照重量份数计,所述护套层的材料包括:In this embodiment, the material of the sheath layer comprises, by weight:
Figure PCTCN2018114095-appb-000005
Figure PCTCN2018114095-appb-000005
Figure PCTCN2018114095-appb-000006
Figure PCTCN2018114095-appb-000006
其中,在本实施例中,所述基体树脂包括:EVA、POE、PE,其中EVA中VA含量为28%。Wherein, in the embodiment, the matrix resin comprises: EVA, POE, PE, wherein the VA content in the EVA is 28%.
所述阻燃剂为氢氧化铝或氢氧化镁。The flame retardant is aluminum hydroxide or magnesium hydroxide.
所述阻燃协同剂为聚磷酸铵。The flame retardant synergist is ammonium polyphosphate.
所述偶联剂为硅烷偶联剂。The coupling agent is a silane coupling agent.
上述对称并行蝶形引入光缆使光缆更加轻质化,减小光缆重量和直径,能够适应复杂施工环境。The above symmetric parallel butterfly-introducing optical cable makes the optical cable more lightweight, reduces the weight and diameter of the optical cable, and can adapt to a complicated construction environment.
上述对称并行蝶形引入光缆一端对接网络,另一端对接4K高清是视频终端设备,采用的是一根光缆,敷设简单,节省空间,易于安装,为产品的推广和应用提供了助力,也为接入网的发展提供一种全新的解决方案。The symmetric parallel butterfly-shaped cable is connected to the network at one end, and the other end is connected to the 4K high-definition video terminal device. The optical cable is used, which is simple to lay, saves space and is easy to install, and provides assistance for product promotion and application. The development of the network provides a new solution.
上述对称并行蝶形光缆相比传统光缆节省了原材料,环境友好,满足社会对低碳、环保更高的要求,提高了光缆产品的布线效率和接通率,而且能给用户带来性能的提升和成本的节省,为通信网络提供了更可靠、更经济的解决方案,也为我国FTTx建设的大发展奠定了成本基础。Compared with the traditional optical cable, the above symmetric parallel butterfly optical cable saves raw materials, is environmentally friendly, meets the requirements of the society for lower carbon and environmental protection, improves the wiring efficiency and the connection rate of the optical cable product, and can bring the performance improvement to the user. And the cost savings provide a more reliable and economical solution for the communication network, and also lay a cost foundation for the great development of China's FTTx construction.
上述光缆的非金属加强件能够提高非金属件抗拉伸力,使得光缆具有优异的耐弯曲和抗拉伸疲劳等性能。The non-metallic reinforcing member of the above optical cable can improve the tensile strength of the non-metallic member, so that the optical cable has excellent resistance to bending and tensile fatigue.
上述实施例中采用低烟无卤护套,具有低烟、无卤、阻燃、具有抗紫外线、耐磨等诸多性能。In the above embodiment, the low-smoke halogen-free sheath is used, which has low smoke, no halogen, flame retardant, ultraviolet resistance, wear resistance and the like.
以上所述实施例仅是为充分说明本发明而所举的较佳的实施例,本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换,均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。The embodiments described above are merely preferred embodiments for the purpose of fully illustrating the invention, and the scope of the invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of the present invention. The scope of the invention is defined by the claims.

Claims (8)

  1. 一种对称并行蝶形引入光缆,其特征在于,其包括第一光单元和与所述第一光单元对称的第二光单元,所述第一光单元和第二光单元结构相同,所述第一光单元和第二光单元均包括:光纤,所述光纤的两侧对称设有非金属加强件,所述光纤与所述非金属加强件外周包覆有护套层,所述护套层上设有两个相互对称的V形槽;A symmetric parallel butterfly-introducing optical cable, comprising: a first light unit and a second light unit symmetrical with the first light unit, wherein the first light unit and the second light unit are identical in structure, The first light unit and the second light unit each include: an optical fiber, the two sides of the optical fiber are symmetrically provided with a non-metallic reinforcing member, and the outer surface of the optical fiber and the non-metallic reinforcing member are coated with a sheath layer, and the sheath Two symmetrical V-shaped grooves are provided on the layer;
    按照重量份数计,所述护套层的材料包括:The material of the sheath layer comprises, by weight:
    Figure PCTCN2018114095-appb-100001
    Figure PCTCN2018114095-appb-100001
  2. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,所述基体树脂包括:EVA、POE、PE,其中EVA中VA含量为28%。A symmetric parallel butterfly drop cable according to claim 1, wherein said matrix resin comprises: EVA, POE, PE, wherein the VA content in the EVA is 28%.
  3. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,所述阻燃剂为氢氧化铝或氢氧化镁。A symmetric parallel butterfly drop cable according to claim 1 wherein said flame retardant is aluminum hydroxide or magnesium hydroxide.
  4. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,所述阻燃协同剂为聚磷酸铵。A symmetric parallel butterfly drop cable according to claim 1 wherein said flame retardant synergist is ammonium polyphosphate.
  5. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,所述偶联剂为硅烷偶联剂。A symmetric parallel butterfly drop cable according to claim 1 wherein said coupling agent is a silane coupling agent.
  6. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,还包括钢丝吊线,所述钢丝吊线设置在所述第一光单元和第二光单元之间,所述护套层包覆在所述第一光单元、钢丝吊线、第二光单元之间。A symmetric parallel butterfly drop cable according to claim 1, further comprising a wire suspension wire disposed between said first light unit and said second light unit, said sheath layer Covered between the first light unit, the wire suspension wire, and the second light unit.
  7. 如权利要求1所述的一种对称并行蝶形引入光缆,其特征在于,所述非金属加强件包括:高强度纱,所述高强度纱的外周为粘结层,所述粘结层的外周为挤塑层,所述挤塑层的厚度小于所述粘结层的厚度。A symmetric parallel butterfly drop cable according to claim 1, wherein said non-metallic reinforcing member comprises: a high-strength yarn, said outer circumference of said high-strength yarn being a bonding layer, said bonding layer The outer periphery is an extruded layer having a thickness less than the thickness of the bonding layer.
  8. 如权利要求7所述的一种对称并行蝶形引入光缆,其特征在于,所述高强度纱设置在所述非金属加强件的中心位置处,所述高强度纱组成的圆柱的半径不小于所述粘结层的厚度。A symmetric parallel butterfly drop cable according to claim 7, wherein said high-strength yarn is disposed at a center position of said non-metallic reinforcing member, and said cylinder of said high-strength yarn has a radius of not less than The thickness of the bonding layer.
PCT/CN2018/114095 2017-12-27 2018-11-28 Symmetrical parallel butterfly fiber optic drop cable WO2019128472A1 (en)

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