WO2018107928A1 - 一种车用光缆 - Google Patents

一种车用光缆 Download PDF

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Publication number
WO2018107928A1
WO2018107928A1 PCT/CN2017/110330 CN2017110330W WO2018107928A1 WO 2018107928 A1 WO2018107928 A1 WO 2018107928A1 CN 2017110330 W CN2017110330 W CN 2017110330W WO 2018107928 A1 WO2018107928 A1 WO 2018107928A1
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WIPO (PCT)
Prior art keywords
cable
optical fiber
skeleton
main
main cable
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PCT/CN2017/110330
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English (en)
French (fr)
Inventor
何军
卢星星
李凌驿
蔡晶
刘为
阮云芳
万冰
熊壮
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长飞光纤光缆股份有限公司
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Publication of WO2018107928A1 publication Critical patent/WO2018107928A1/zh

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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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4407—Optical cables with internal fluted support member
    • 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
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • G02B6/4417—High voltage aspects, e.g. in cladding
    • 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
    • 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
    • G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping

Definitions

  • the invention relates to a fiber optic cable for a vehicle, and belongs to the technical field of communication optical cables.
  • the technical problem to be solved by the present invention is to provide a vehicular optical cable for the deficiencies of the above prior art, which is not only resistant to bending and bending, but also has a simple structure and is convenient to use.
  • the technical solution adopted by the present invention to solve the above-mentioned problems is to include a main cable and a bifurcated cable, characterized in that the main cable includes a skeleton, a skeleton groove is arranged on the outer circumference of the skeleton, and an optical fiber is disposed in the skeleton groove.
  • the outer sheath is sheathed, and one or both ends of the main cable are provided with a cable protector, one side of the cable protector is connected to the main cable, and the other side is led to the branch cable, and the branch cable includes the slave cable.
  • the main cable is divided by the fiber and the sleeve is placed outside the fiber.
  • a water blocking tape, a water blocking yarn or a polyester tape is disposed between the skeleton of the main cable and the outer sheath, and the water blocking tape, the water blocking yarn or the polyester tape is coated on the outer periphery of the skeleton.
  • the center of the skeleton is provided with a non-metal center reinforcement, and the outer sheath is made of an oil resistant polymer material.
  • the vehicular optical cable comprises at least two optical fibers, tight optical fibers, special optical fibers or plastic optical fibers.
  • the sleeve of the branch cable is a flexible armored composite sleeve.
  • the flexible armored composite sleeve comprises a flexible stainless steel armored tube, and the flexible armored tube is covered with an aramid reinforcement and a sheath layer.
  • the cable protector comprises a split cable upper and a lower split cable seat, and a main cable connecting hole is arranged in the inner cavity of the upper and lower split cable seats, and a cable is arranged at the front end of the main cable connecting hole.
  • the outer circumference of the hole, the upper and lower sub-cables are arranged with the buckle.
  • the outer circumference of the upper and lower sub-cables is cylindrical, and a ring groove is arranged in the middle, and a buckle is arranged in the ring groove, and the buckle is a top and bottom snap, and the upper and lower cards are The buckles are combined, and the inner end faces of the upper and lower buckles are respectively Set the bayonet and card hole.
  • each of the divergent cables includes one optical fiber, and the end of the divergent cable is provided with a fiber optic connector.
  • the beneficial effects of the invention are as follows: 1.
  • the optical cable adopts a skeleton structure, and the optical fiber is placed in the skeleton slot, and the optical cable has strong lateral pressure resistance and tensile resistance, and can be uniformly bent, so that the optical cable can withstand complicated use environment. It is easy to bend and install in a small radius inside the car to improve the service life of the cable.
  • the main cable adopts all-media non-metal structure. In the case of high electric field, no potential difference is formed, which can be safely used for continuous electric inspection and repair of various automobiles or high-voltage lines.
  • the optical cable is a skeleton full dry structure, good flexibility, small size, simple structure, light weight, easy to install and install, can be directly plugged and unplugged when connected, easy to use and install.
  • the outer sheath of the cable is oil-resistant polymer material. The sheath has excellent environmental performance and durability. It can be widely used in special high-energy environments such as automobiles, ships and wind power installations.
  • Figure 1 is a radial cross-sectional view of a main cable in accordance with one embodiment of the present invention.
  • FIG. 2 is a block diagram of an embodiment of the present invention.
  • FIG. 3 is a cross-sectional structural view of a cable protector in accordance with an embodiment of the present invention.
  • FIG. 4 is a perspective structural view of a cable protector in accordance with an embodiment of the present invention.
  • FIG. 5 is a perspective structural view of the upper and lower buckles of the cable protector according to an embodiment of the present invention.
  • FIG. 6 is a perspective structural view of the upper and lower splitter cables of the splitter protector according to an embodiment of the present invention.
  • Figure 7 is a structural view of a branch cable in an embodiment of the present invention.
  • the main cable 6 includes a main body cable 6 and a bifurcated cable 8.
  • the main cable 6 includes a skeleton 4, and the outer circumference of the skeleton is uniformly distributed with four skeleton slots.
  • the optical fiber 3 is disposed in the skeleton slot, and one optical fiber is laid in each skeleton slot.
  • the center is provided with a non-metal center reinforcement member 5, the non-metal reinforcement member is a reinforced plastic rod, the skeleton is covered with a water blocking strip 2, and the water blocking belt is covered with an outer sheath 1, the outer sheath Made of oil-resistant polymer materials, such as TPU, TPE and other sheathing materials.
  • a cable protector 7 is disposed at one end or both ends of the main cable.
  • the split cable includes an optical fiber diverging from the main cable. 3 and a sleeve sleeved outside the fiber, the sleeve of the branch cable is a flexible armored composite sleeve, the flexible armored composite sleeve comprises a flexible armor tube 10, and the flexible armor tube is a flexible armored stainless steel
  • the flexible armored tube is covered with an aramid reinforcement and a sheath layer 11, and each of the divergent cables 8 includes one optical fiber, and the end of the divergent cable is provided with a fiber optic connector 9.
  • the cable protector comprises an upper split cable seat 7.2 and a lower split cable seat 7.3, and a main cable connection hole 7.8, a main cable connection hole and a main cable end end of the upper and lower split cable seat inner chambers.
  • the outer sheath is tightly arranged, and the front end of the main cable connecting hole is provided with four branching holes 7.7 corresponding to the optical fiber, and the splitting cable leads the optical fiber of the main cable and is put on the flexible armored composite casing, the split cable hole and the flexible armored composite sleeve. Outside the tube
  • the jacket layer is tightly arranged.
  • the outer circumference of the upper and lower sub-cables is cylindrical, and a ring groove is arranged in the middle, and a buckle is arranged in the ring groove.
  • the buckle is a pair of upper and lower snaps 7.1 and 7.4, and the upper and lower buckles are combined.
  • the inner end faces of the upper and lower buckles are respectively provided with a bayonet 7.5 and a card hole 7.6.
  • the upper and lower sub-cables are closely aligned by the buckle, so that the optical fiber at the sub-cable is better protected.
  • the fiber optic connector 9 can be directly plugged and unplugged for easy connection and easy installation and maintenance.

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

Abstract

一种车用光缆,包括有主缆(6)和分歧缆(8)，主缆(6)包括有骨架(4)，骨架(4)的外周设置骨架槽，骨架槽中敷设有光纤(3)，骨架(4)外包覆外护套(1)，主缆(6)的一端或两端端头设置有分缆保护器（7），分缆保护器（7）的一侧与主缆（6）相连，另一侧引出分歧缆（8），分歧缆（8）包括有从主缆（6）分歧的光纤（3）和套在光纤（3）外的套管（10）。该结构不仅结构简单，重量轻，且外形尺寸小，柔软性好，耐侧压能力强，并能均匀弯曲，使光缆更能承受复杂的使用环境，易于在车内小半径弯曲安装，光缆为全介质结构，可用于普通汽车中，也可适用于高电压车的不断电检修，还可适用于特殊高电压环境和特殊强电场环境中的信号监控，连接时可直接插拔，使用安装方便。

Description

一种车用光缆 技术领域
本发明涉及一种车用光缆，属于通信光缆技术领域。
背景技术
随着汽车的普及和发展，以及智能汽车的提出，对汽车的信息传输和信号控制系统也提出了更高的要求，传统的汽车信息信号传输系统已经难以满足现代汽车中大信息量传输的需求，因此，采用光缆传输替代传统的金属信号线已成必然的趋势。另一方面，由于汽车缆线安设的环境特殊，以及某些特定功能的汽车所要求的特定功能，需要光缆具备较好的抗压、抗弯曲、耐高电压及耐油等性能，现有的普通光缆很难满足上述特定要求。
发明内容
本发明所要解决的技术问题在于针对上述现有技术存在的不足而提供一种车用光缆，该光缆不仅抗压抗弯耐高电压，而且结构简单，使用方便。
本发明为解决上述提出的问题所采用的技术方案为：包括有主缆和分歧缆，其特征在于所述的主缆包括有骨架，骨架的外周设置骨架槽，骨架槽中敷设有光纤，骨架外包覆外护套，主缆的一端或两端端头安设分缆保护器，分缆保护器的一侧与主缆相连，另一侧引出分歧缆，所述的分歧缆包括有从主缆分歧的光纤和套在光纤外的套管。
按上述方案，所述主缆的骨架和外护套之间设置有阻水带、阻水纱或聚酯带，所述的阻水带、阻水纱或聚酯带包覆在骨架的外周。
按上述方案，所述的骨架中心安设有非金属中心加强件，所述的外护套由耐油高分子材料制成。
按上述方案，所述的车用光缆含有至少2根及2根以上光纤、紧套光纤、特种光纤或塑料光纤。
按上述方案，所述分歧缆的套管为柔性铠装复合套管。
按上述方案，所述的柔性铠装复合套管包括柔性不锈钢铠装管，柔性铠装管外包覆芳纶增强件和护套层。
按上述方案，所述的分缆保护器包括对半开合的上分缆座和下分缆座，上、下分缆座内腔设置主缆连接孔，主缆连接孔的前端设置分缆孔，上、下分缆座的外周与卡扣相配置。
按上述方案，所述的上、下分缆座对合的外周呈圆柱状，中间设置环槽，环槽中配置卡扣，所述的卡扣为上下对合卡扣，由上、下卡扣对合构成，上、下卡扣的两侧内端面分别 设置卡销和卡孔。
按上述方案，所述的每根分歧缆中包含有1根光纤，分歧缆的端头安设光纤连接器。
本发明的有益效果在于：1、光缆采用骨架式结构，在骨架槽内放置光纤，光缆有较强的耐侧压能力和抗拉扯性能，并能均匀弯曲，使光缆更能承受复杂的使用环境，易于在车内小半径弯曲安装，提高光缆的使用寿命。2、主缆采用全介质非金属结构，在高电场的情况下，不会形成电位差，可安全用于各种汽车或者高压线路的不断电检修车。3、光缆为骨架全干式结构，柔性好，外形尺寸小，结构简单，重量轻，便于施工安装，连接时可直接插拔，使用安装方便。4、该光缆外护套为耐油高分子材料，护套环境性能优异，经久耐用，可广泛适用于汽车、舰艇、风电装置等特殊强电环境中。
附图说明
图1为本发明一个实施例中主缆的径向剖面图。
图2为本发明一个实施例的结构图。
图3为本发明一个实施例中分缆保护器的剖面结构图。
图4为本发明一个实施例中分缆保护器的立体结构图。
图5为本发明一个实施例中分缆保护器的上、下卡扣立体结构图。
图6为本发明一个实施例中分缆保护器的上、下分缆座立体结构图。
图7为本发明一个实施例中分歧缆的结构图。
具体实施方式
下面结合附图进一步说明本发明的实施例。
包括有主缆6和分歧缆8，所述的主缆6包括有骨架4，骨架的外周均布4条骨架槽，骨架槽中敷设有光纤3，每个骨架槽中敷设1根光纤，骨架中心安设有非金属中心加强件5，所述的非金属加强件为增强塑料杆，骨架外包覆有阻水带2，阻水带外包覆外护套1，所述的外护套由耐油高分子材料制成，如TPU、TPE等护套料。主缆的一端或两端端头安设分缆保护器7，分缆保护器的一侧与主缆相连，另一侧引出分歧缆8，所述的分歧缆包括有从主缆分歧的光纤3和套在光纤外的套管，所述分歧缆的套管为柔性铠装复合套管，柔性铠装复合套管包括柔性铠装管10，所述的柔性铠装管为柔性铠装不锈钢管，柔性铠装管外包覆芳纶增强件和护套层11，每根分歧缆8中包含有1根光纤，分歧缆的端头安设光纤连接器9。所述的分缆保护器包括对半开合的上分缆座7.2和下分缆座7.3，上、下分缆座内腔设置主缆连接孔7.8，主缆连接孔与主缆端头的外护套紧密配置，主缆连接孔的前端对应光纤设置4个分缆孔7.7，分缆孔将主缆的光纤引出并套装上柔性铠装复合套管，分缆孔与柔性铠装复合套管外的 护套层紧密配置。上、下分缆座对合的外周呈圆柱状，中间设置环槽，环槽中配置卡扣，所述的卡扣为上下对合卡扣7.1和7.4，由上、下卡扣对合构成，上、下卡扣的两侧内端面分别设置卡销7.5和卡孔7.6。通过卡扣将上、下分缆座紧密对合，使分缆处的光纤得到更好的保护。光纤连接器9可直接插拔，连接使用方便，易于安装和维护。

Claims (8)

  1. 一种车用光缆，包括有主缆和分歧缆，其特征在于所述的主缆包括有骨架，骨架的外周设置骨架槽，骨架槽中敷设有光纤，骨架外包覆外护套，主缆的一端或两端端头安设分缆保护器，分缆保护器的一侧与主缆相连，另一侧引出分歧缆，所述的分歧缆包括有从主缆分歧的光纤和套在光纤外的套管。
  2. 按权利要求1所述的车用光缆，其特征在于所述主缆的骨架和外护套之间设置有阻水带、阻水纱或聚酯带，所述的阻水带、阻水纱或聚酯带包覆在骨架的外周。
  3. 按权利要求1或2所述的车用光缆，其特征在于所述的骨架中心安设有非金属中心加强件，所述的外护套由耐油高分子材料制成。
  4. 按权利要求1或2所述的车用光缆，其特征在于所述分歧缆的套管为柔性铠装复合套管。
  5. 按权利要求4所述的车用光缆，其特征在于所述的柔性铠装复合套管包括柔性铠装管，柔性铠装管外包覆芳纶增强件和护套层。
  6. 按权利要求1或2所述的车用光缆，其特征在于所述的分缆保护器包括对半开合的上分缆座和下分缆座，上、下分缆座内腔设置主缆连接孔，主缆连接孔的前端设置分缆孔，上、下分缆座的外周与卡扣相配置。
  7. 按权利要求6所述的车用光缆，其特征在于所述的上、下分缆座对合的外周呈圆柱状，中间设置环槽，环槽中配置卡扣，所述的卡扣为上下对合卡扣，由上、下卡扣对合构成，上、下卡扣的两侧内端面分别设置卡销和卡孔。
  8. 按权利要求1或2所述的车用光缆，其特征在于所述的每根分歧缆中包含有1根光纤，分歧缆的端头安设光纤连接器。
PCT/CN2017/110330 2016-12-16 2017-11-10 一种车用光缆 WO2018107928A1 (zh)

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CN113178285A (zh) * 2021-05-12 2021-07-27 江苏华脉新材料有限公司 一种抗拉螺旋铠装光电复合缆
CN113885148A (zh) * 2021-09-07 2022-01-04 杭州富通通信技术股份有限公司 一种骨架缆
CN114296194A (zh) * 2021-12-29 2022-04-08 江苏俊知光电通信有限公司 一种耐压光纤带光缆及其制备方法

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CN111443446B (zh) * 2020-04-13 2022-01-28 安徽天凯光通信技术有限公司 一种可分离复合型引入光缆及信号交互系统

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