WO2021258729A1 - 光缆束管纵剖接续方法 - Google Patents

光缆束管纵剖接续方法 Download PDF

Info

Publication number
WO2021258729A1
WO2021258729A1 PCT/CN2021/073873 CN2021073873W WO2021258729A1 WO 2021258729 A1 WO2021258729 A1 WO 2021258729A1 CN 2021073873 W CN2021073873 W CN 2021073873W WO 2021258729 A1 WO2021258729 A1 WO 2021258729A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical cable
longitudinal section
optical fiber
cable
optical
Prior art date
Application number
PCT/CN2021/073873
Other languages
English (en)
French (fr)
Inventor
黄健
神凤敏
王永明
胡海波
张健丰
陈国锋
靳启飞
徐伟锋
Original Assignee
中国铁路通信信号上海工程局集团有限公司
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 中国铁路通信信号上海工程局集团有限公司 filed Critical 中国铁路通信信号上海工程局集团有限公司
Publication of WO2021258729A1 publication Critical patent/WO2021258729A1/zh

Links

Images

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
    • G02B6/24Coupling light guides
    • G02B6/245Removing protective coverings of light guides before coupling
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/255Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2551Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/255Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2553Splicing machines, e.g. optical fibre fusion splicer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/255Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2558Reinforcement of splice joint
    • 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
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4441Boxes

Definitions

  • the invention belongs to the technical field of communication pipeline connection, and relates to an optical cable connection method, in particular to a longitudinal section connection method of an optical cable bundle tube.
  • optical fiber communication is widely used in communication networks, the Internet, and cable television networks.
  • the existing optical fiber splicing method has a long splicing time, the splicing quality cannot be effectively guaranteed, and the optical fiber pipeline resources are wasted in the splicing process.
  • the invention provides a longitudinal section splicing method of an optical cable bundle tube, which can reduce splicing time, improve splicing quality, save communication pipeline resources, and ensure system operation and maintenance efficiency.
  • a longitudinal section splicing method of an optical cable bundle tube comprising:
  • Step S1 optical cable stripping step; specifically including:
  • Step S11 the longitudinal sectioning step of the outer sheath of the optical cable
  • Step S12 the longitudinal sectioning step of the inner sheath of the optical cable
  • Step S13 two longitudinal sectioning steps of longitudinal sectioning of the optical cable sheath
  • Step S14 the step of stripping the branch optical cable
  • Step S2 optical cable fixing step; specifically including:
  • Step S21 an installation step of the optical cable connection bracket
  • Adjust and fix the longitudinal section optical cable and branch optical cable install the optical cable connection bracket and the optical cable fixing card;
  • Step S22 pre-coiling the optical fiber bundle tube and fixing the reinforced core
  • Step S23 the installation step of the optical fiber reserving board
  • Step S24 the longitudinal sectioning step of the optical fiber bundle tube
  • Step S25 the step of retaining the optical fiber fusion splicing crimping disc
  • Step S3 optical fiber connection step; specifically including:
  • Step S31 an optical fiber end face preparation step
  • Step S32 the core welding step
  • optical fiber sequence determined according to the longitudinal splicing plan is spliced by an optical fiber fusion splicer
  • Step S33 a step of thermal fusion protection of the optical fiber connector
  • the splicing part of the optical fiber after the fusion splicing grid is protected by a heat-shrinkable reinforced tube;
  • Step S34 optical fiber disk retention step
  • Step S4 the steps of assembling the joint box; specifically including:
  • Step S41 Before assembling the connector box, fill in the connection card and make two copies, and put one copy in the connector box;
  • Step S42 Assemble the joint box according to the operation process of the joint box
  • Step S43 After the joint box is assembled, the box body tightness inspection should be carried out;
  • connection method further includes step S5 and a mechanical protection step
  • the mechanical protection of the joint box should be done.
  • connection method further includes step S6, a completion detection step
  • the first circumferential cutting tool is a pipe cutting knife
  • the first longitudinal cable cutting tool is a longitudinal cable cutting knife
  • the second ring cutter is an inner sheath ring cutter
  • the second longitudinal cable cutting tool is an inner sheath stripper
  • step S24 use a clamp to cut the bundle tube, peel off the bundle tube in the longitudinal section, and expose the optical fiber;
  • the coating layer is stripped by an optical fiber slicing pliers, and the fiber core is cut by an optical fiber cleaver to form an optical fiber end face.
  • an anti-vibration pad is covered on each layer of the optical fiber tray.
  • the step S3 further includes: step S35, using an OTDR to monitor the connection loss in real time during connection.
  • step S35 specifically includes:
  • connection point When the connection point is connected to an optical fiber, the test point is notified to perform the test;
  • the connector loss should be retested before the connector box is encapsulated.
  • a longitudinal section splicing method of an optical cable bundle tube comprising:
  • Step S1 the step of stripping the optical cable
  • Step S2 optical cable fixing step
  • Step S3 optical fiber connection step
  • Step S4 the step of assembling the joint box.
  • the longitudinal section splicing method of the optical cable bundle tube proposed in the present invention adopts innovative longitudinal section splicing technology and precise special tools, reduces splicing time, improves splicing quality, saves communication pipeline resources, and ensures system operation and maintenance efficient.
  • the invention adopts the traditional optical fiber arc welding method, has small splicing loss, good long-term stability and high reliability.
  • the invention adopts optical fiber bundle tube pre-coiling technology and single optical fiber embossing coiling technology on both sides, which effectively reduces the influence of the deterioration of splicing quality over time.
  • the invention adopts an optical time domain reflectometer to monitor the splicing loss of the optical fiber in real time, and can monitor the alarm condition of the in-use optical fiber link through the system network management and the like, so as to ensure the quality of the splicing process to the greatest extent.
  • Fig. 1 is a flowchart of a longitudinal section connection method of an optical cable bundle tube in an embodiment of the present invention.
  • Fig. 2 is a schematic diagram of the outer protective layer being cut through the ring in an embodiment of the present invention.
  • Fig. 3 is a schematic diagram of longitudinally cutting the outer sheath of the optical cable in an embodiment of the present invention.
  • Fig. 4 is a schematic diagram of peeling off the outer protective layer of the longitudinal section to expose the inner protective layer of the optical cable in an embodiment of the present invention.
  • Fig. 5 is a schematic diagram of the inner protective layer being cut through the ring in an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of longitudinally cutting the inner sheath of an optical cable in an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of removing fillers by stripping off the inner sheath of the longitudinal section in an embodiment of the present invention.
  • Fig. 8 is a schematic diagram of determining the longitudinal section length of the optical cable sheath in an embodiment of the present invention.
  • Fig. 9 is a schematic diagram of circular cutting performed by a pipe cutter in an embodiment of the present invention.
  • Fig. 10 is a schematic diagram of the cut-off outer sheath and the exposed inner sheath in an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of setting a distance circumcision at the cut of the outer sheath of a branched optical cable in an embodiment of the present invention.
  • Fig. 12 is a schematic diagram of extracting the cut inner protective layer and removing the filler in an embodiment of the present invention.
  • Figure 13 is a schematic diagram of installing an optical cable connection bracket and an optical cable fixing card in an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of tightening the reinforcing core fixing bolts and slightly bending and fixing the reinforcing core in an embodiment of the present invention.
  • Fig. 15 is a schematic diagram of fixing the optical fiber receptacle plate to the optical cable connection bracket with bolts in an embodiment of the present invention.
  • Fig. 16 is a schematic diagram of longitudinally cutting the bundle tube with a bundle tube slitting knife in an embodiment of the present invention.
  • Fig. 17 is a schematic diagram of cutting the bundle tube and extracting the fiber core to expose the fiber core in an embodiment of the present invention.
  • Fig. 18 is a schematic diagram of a straight-through optical fiber being coiled in an optical fiber coiling plate in an embodiment of the present invention.
  • Fig. 19 is a schematic diagram of circumcision at the position where the coating layer of the optical fiber is stripped off in an embodiment of the present invention.
  • FIG. 20 is a schematic diagram of stripping the coating layer in an embodiment of the present invention.
  • Fig. 21 is a schematic diagram of cutting a fiber core by a fiber cleaver in an embodiment of the present invention.
  • Fig. 22 is a schematic diagram of forming an end face of an optical fiber in an embodiment of the present invention.
  • Fig. 23 is a schematic diagram of fusion splicing two cores in an embodiment of the present invention.
  • Fig. 24 is a schematic diagram of two fiber cores after fusion splicing in an embodiment of the present invention.
  • FIG. 25 is a schematic diagram of the optical fiber splicing part after the fusion splicing lattice is protected by a heat shrinkable reinforced tube in an embodiment of the present invention.
  • Fig. 26 is a schematic diagram of the joint box assembly according to the joint box operation process in an embodiment of the present invention.
  • FIG. 27 is another schematic diagram of the assembly of the joint box according to the operation process of the joint box in an embodiment of the present invention.
  • Figure 28 is a schematic diagram of the mechanical protection of the connector box in an embodiment of the present invention.
  • the invention discloses a longitudinal section splicing method of an optical cable bundle tube.
  • the splicing method includes: step S1, an optical cable stripping step; step S2, an optical cable fixing step; step S3, an optical fiber splicing step; and step S4, a splice box assembly step.
  • Fig. 1 is a flowchart of a longitudinal section splicing method of an optical cable bundle tube in an embodiment of the present invention; please refer to Fig. 1, the splicing method includes:
  • Step S1 Optical cable stripping step; specifically including:
  • Step S11 the longitudinal sectioning step of the outer sheath of the optical cable.
  • the first circumferential cutting tool is a pipe cutter 201
  • the first longitudinal cable cutter is a longitudinal cable cutter 202.
  • Step S12 the longitudinal sectioning step of the inner sheath of the optical cable.
  • the second circumferential cutting tool is an inner sheath circumferential cutter 203
  • the second longitudinal cable cutting tool is an inner sheath stripper 204.
  • Step S13 longitudinal sectioning of the optical cable sheath twice.
  • Step S14 the step of stripping the branch optical cable.
  • Ring cut at the set length from the end of the branched optical cable 111 (here, the stripping 112) (as shown in Figure 9, the ring cut can be completed by the pipe cutter 201), and the cut outer sheath 113 is taken out and exposed.
  • the inner sheath layer 114 (shown in Figure 10).
  • Optical cable fixing step specifically including:
  • Step S21 the installation step of the optical cable connection bracket.
  • Step S22 the step of pre-coiling the fiber bundle tube and fixing the reinforcing core.
  • Step S23 the installation step of the optical fiber reserving board.
  • Step S24 the longitudinal sectioning step of the optical fiber bundle tube.
  • Cut the bundle tube (in one embodiment, use the setting clamp to cut the bundle tube), peel off the longitudinal section of the bundle tube, and expose the optical fiber.
  • cut the bundle tube at a certain distance from the outer sheath of the branch cable and remove it in one embodiment, use clamps to cut the bundle tube at a certain distance from the outer sheath of the branch cable and extract it) Go), exposing the core 109 (as shown in Fig. 17).
  • Step S25 the fiber fusion splicing embossing disk retention step.
  • the straight-through optical fiber is retained in the fiber retainer plate 118 (as shown in FIG. 18).
  • Step S3 Optical fiber connection steps; specifically including:
  • Step S31 the step of preparing the end face of the optical fiber.
  • the coating layer 123 is stripped, and the core 124 is cut to form the end face of the optical fiber.
  • the fiber cleaver 206 is used to circumscribe the coating stripping position 122 of the optical fiber 121 to strip the coating layer (as shown in FIG. 19 and FIG. 20), and the fiber core is cut by the fiber cleaver 207 , Forming the fiber end face (as shown in Figure 21, Figure 22).
  • Step S32 the core welding step.
  • the two fiber cores 124 are fusion spliced by the optical fiber fusion splicer 208 according to the optical fiber sequence determined by the longitudinal splicing plan (as shown in FIG. 23 and FIG. 24).
  • Step S33 the step of thermal fusion protection of the optical fiber connector.
  • the splicing part of the optical fiber after the fusion splicing grid is protected by a heat shrinkable reinforced tube 209 (as shown in FIG. 25).
  • Step S34 the optical fiber disk retention step.
  • the optical fiber After the optical fiber is spliced, it is stored in the receiving tray and the bending radius meets the requirements. Shockproof pads can be covered on each layer of optical fiber tray.
  • step S3 further includes:
  • Step S35 Use OTDR to monitor the splicing loss in real time during splicing; specifically including: when the splicing point is connected to an optical fiber, the test point is notified to test; the splicing loss in the AB and BA directions is tested, and the arithmetic average is performed; Before the installation of the connector box is completed, the connector loss should be retested.
  • Step S41 Before assembling the joint box, fill in the connection card and make two copies, and put one copy in the joint box 211;
  • Step S42 the joint box 211 is assembled according to the joint box operation process (as shown in FIG. 26 and FIG. 27); the joint box 211 can be assembled from two box bodies and fixed by the hexagon socket bolt 214.
  • a sealing strip 212 is provided on the periphery of the splice box 211, and a plug 213 is provided at the connection between the splice box 211 and the optical cable.
  • Step S43 After the connector box is assembled, the box body tightness inspection should be carried out.
  • connection method further includes:
  • the mechanical protection of the joint box should be done (as shown in Figure 28).
  • the joint box 211 is fixed by a shock-proof bracket 215.
  • the longitudinal section splicing method of the optical cable bundle tube proposed by the present invention adopts innovative longitudinal section splicing technology and precise special tools to reduce splicing time, improve splicing quality, save communication pipeline resources, and ensure system operation and maintenance efficiency.
  • the invention adopts the traditional optical fiber arc welding method, has small splicing loss, good long-term stability and high reliability.
  • the invention adopts optical fiber bundle tube pre-coiling technology and single optical fiber embossing coiling technology on both sides, which effectively reduces the influence of the deterioration of splicing quality over time.
  • the invention adopts an optical time domain reflectometer to monitor the splicing loss of the optical fiber in real time, and can monitor the alarm condition of the in-use optical fiber link through the system network management and the like, so as to ensure the quality of the splicing process to the greatest extent.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

一种光缆束管纵剖接续方法包括:步骤S1、光缆开剥步骤;步骤S2、光缆固定步骤;步骤S3、光纤接续步骤;步骤S4、接头盒组装步骤;步骤S5、机械保护步骤。光缆束管纵剖接续方法,采用创新的纵剖接续工艺和精密的专用工具,降低接续时间、提高接续质量,节约通信管线资源,保障系统运营和维护效率。采用传统的光纤电弧熔接法,接续损耗小,并且长期稳定性好、可靠性高。

Description

光缆束管纵剖接续方法 技术领域
本发明属于通讯管路接续技术领域,涉及一种光缆接续方法,尤其涉及一种光缆束管纵剖接续方法。
背景技术
没有光纤通信,就没有今天的互联网和通信网络。光纤通信广泛运用于通信网、互联网以及有线电视网等。今天,随着移动互联网、云计算、大数据、物联网应用的快速兴起,流量激增也给信息通信网络带来巨大挑战,而光纤通信在向高速化、分组化、网络化和智能化方向发展的大趋势下,依然是目前解决网络数据流的“井喷式增长”难题的主要手段。
现有光纤接续方式接续时间长,接续质量不能得到有效保证,且在接续工艺中会浪费光纤管线资源。
有鉴于此,如今迫切需要设计一种新的光纤接续方式,以便克服现有光纤接续方式存在的上述至少部分缺陷。
发明内容
本发明提供一种光缆束管纵剖接续方法,可降低接续时间、提高接续质量,节约通信管线资源,保障系统运营和维护效率。
为解决上述技术问题,根据本发明的一个方面,采用如下技术方案:
一种光缆束管纵剖接续方法,所述接续方法包括:
步骤S1、光缆开剥步骤;具体包括:
步骤S11、纵剖光缆外护层纵剖步骤;
在纵剖光缆上选取设定的纵剖长度,在纵剖光缆的设定位置通过第一环切刀具环切割开外护层;而后通过第一纵向开缆刀具纵向割开光缆外护层;剥除纵剖部分的外护套,露出光缆内护层;
步骤S12、纵剖光缆内护层纵剖步骤;
在距两端外护层纵剖切口处设定距离、在纵剖光缆内护层的设定位置通过第二环切刀具环切割开内护层;而后通过第二纵向开缆刀具纵向割开光缆内护层;剥除纵剖部分的内护套,清洁裸露的光纤束管、加强芯,去除填充物;
步骤S13、纵剖光缆护套两次纵剖步骤;
根据内护层内束管正反扭绞的中心点确定光缆护套纵剖长度,再次纵剖光缆护套,去除外护套和内护层,清洁裸露的光纤束管、加强芯,去除填充物;
步骤S14、分歧光缆开剥步骤;
在距分歧光缆端头设定长度处环切,并抽出切断的外护层,裸露内护套层;
在分歧光缆外护层切口处设定距离环切,并抽出切断的内护层,清洁裸露的光纤束管、加强芯,去除填充物;
步骤S2、光缆固定步骤;具体包括:
步骤S21、光缆连接支架安装步骤;
调整并固定纵剖光缆和分歧光缆;安装光缆连接支架、光缆固定卡;
步骤S22、光纤束管预盘留、加强芯固定步骤;
清理核查纵剖光缆的光纤束管,将需分歧的束管与其它束管分开;
按设定长度切断加强芯,并卡入固定螺栓槽内;
将纵剖光缆直通束管整理预盘留;
分歧光缆在支架上固定,将分歧光缆加强芯卡入固定螺栓槽内;
拧紧加强芯固定螺栓并微弯固定加强芯;
步骤S23、光纤盘留板安装步骤;
将光纤盘留板用螺栓固定在光缆连接支架上;
步骤S24、光纤束管纵剖步骤;
在距纵剖光缆外护套一定距离处标示出束管纵剖两端的起始位置,用束管纵剖刀纵向剖开束管;
割开束管,剥除纵剖部分的束管,露出光纤;
在光纤盘留板引入口处,在距分歧光缆外护套一定距离处切割束管并抽去,露出光纤;
步骤S25、光纤熔接压花盘留步骤;
将直通光纤在光纤盘留板内做盘留;
步骤S3、光纤接续步骤;具体包括:
步骤S31、光纤端面制备步骤;
剥除涂覆层,切割纤芯,形成光纤端面;
步骤S32、纤芯熔接步骤;
按纵剖接续方案确定的光纤纤序用光纤熔接机熔接;
步骤S33、光纤接头热熔保护步骤;
熔接合格后的光纤接续部位用热缩加强管保护;
步骤S34、光纤盘留步骤;
光纤熔接后在收容盘内做盘留,并保证弯曲半径符合要求;
步骤S4、接头盒组装步骤;具体包括:
步骤S41、接头盒组装前应填写接续卡片并一式两份,一份放入接头盒内;
步骤S42、按接头盒操作工艺进行接头盒组装;
步骤S43、接头盒组装完毕,应进行盒体密封性检查;
作为本发明的一种实施方式,所述接续方法进一步包括步骤S5、机械保护步骤;
按直埋、管道、槽道、架空的敷设方式及现场条件,做好接头盒的机械防护。
作为本发明的一种实施方式,所述接续方法进一步包括步骤S6、完工检测步骤;
进行整体工艺检查,并对接头质量复核;
施工场地清理,确认“工完、料净、场地清”。
作为本发明的一种实施方式,所述步骤S11中,所述第一环切刀具为管子割刀,所述第一纵向开缆刀具为纵向开缆刀;
所述步骤S12中,所述第二环切刀具为内护层环切刀,所述第二纵向开缆刀具为内护套剥除器。
作为本发明的一种实施方式,所述步骤S24中,使用钳具割开束管,剥除纵剖部分的束管,露出光纤;
在光纤盘留板引入口处,使用钳具在距分歧光缆外护套一定距离处切割束管并抽去,露出光纤。
作为本发明的一种实施方式,所述步骤S31中,通过光纤剖线钳剥除涂覆层,通过光纤切割刀切割纤芯,形成光纤端面。
作为本发明的一种实施方式,所述步骤S34中,在每层光纤盘留板上覆盖防震垫。
作为本发明的一种实施方式,所述步骤S3还包括:步骤S35、接续时用OTDR实时监测接续损耗。
作为本发明的一种实施方式,步骤S35具体包括:
当接续点每接完一根光纤后,通知测试点进行测试;
测试A-B、B-A两个方向的接续损耗,进行算术平均;
光纤盘留安装完毕接头盒封装前,应对接头损耗进行复测。
一种光缆束管纵剖接续方法,所述接续方法包括:
步骤S1、光缆开剥步骤;
步骤S2、光缆固定步骤;
步骤S3、光纤接续步骤;
步骤S4、接头盒组装步骤。
本发明的有益效果在于:本发明提出的光缆束管纵剖接续方法,采用创新的纵剖接续工艺和精密的专用工具,降低接续时间、提高接续质量,节约通信管线资源,保障系统运营和维护效率。本发明采用传统的光纤电弧熔接法,接续损耗小,并且长期稳定性好、可靠性高。
本发明采用光纤束管预盘留技术和两侧单根光纤压花盘留技术,有效降低接续质量随时间劣化的影响。本发明采用光时域反射仪实时监测光纤的接续损耗,可通过系统网管等监测在用光纤链路的告警情况,最大程度保证接续过程质量。
附图说明
图1为本发明一实施例中光缆束管纵剖接续方法的流程图。
图2为本发明一实施例中环切割开外护层的示意图。
图3为本发明一实施例中纵向割开光缆外护层的示意图。
图4为本发明一实施例中剥除纵剖部分的外护层、露出光缆内护层的示意图。
图5为本发明一实施例中环切割开内护层的示意图。
图6为本发明一实施例中纵向割开光缆内护层的示意图。
图7为本发明一实施例中剥除纵剖部分的内护套去除填充物的示意图。
图8为本发明一实施例中确定光缆护套纵剖长度的示意图。
图9为本发明一实施例中通过管子割刀完成环切的示意图。
图10为本发明一实施例中抽出切断的外护层、裸露内护套层的示意图。
图11为本发明一实施例中在分歧光缆外护层切口处设定距离环切的示意图。
图12为本发明一实施例中抽出切断的内护层、去除填充物的示意图。
图13为本发明一实施例中安装光缆连接支架、光缆固定卡的示意图。
图14为本发明一实施例中拧紧加强芯固定螺栓并微弯固定加强芯的示意图。
图15为本发明一实施例中将光纤盘留板用螺栓固定在光缆连接支架上的示意图。
图16为本发明一实施例中用束管纵剖刀纵向剖开束管的示意图。
图17为本发明一实施例中切割束管并抽去露出纤芯的示意图。
图18为本发明一实施例中将直通光纤在光纤盘留板内做盘留的示意图。
图19为本发明一实施例中在光纤的涂覆层剥除位置环切的示意图。
图20为本发明一实施例中剥除涂覆层的示意图。
图21为本发明一实施例中通过光纤切割刀切割纤芯的示意图。
图22为本发明一实施例中形成光纤端面的示意图。
图23为本发明一实施例中将两个纤芯熔接的示意图。
图24为本发明一实施例中将两个纤芯熔接后的示意图。
图25为本发明一实施例中熔接合格后的光纤接续部位用热缩加强管保护的示意图。
图26为本发明一实施例中按接头盒操作工艺进行接头盒组装的示意图。
图27为本发明一实施例中按接头盒操作工艺进行接头盒组装的另一示意图。
图28为本发明一实施例中做好接头盒的机械防护的示意图。
具体实施方式
下面结合附图详细说明本发明的优选实施例。
为了进一步理解本发明,下面结合实施例对本发明优选实施方案进行描述,但是应当理解,这些描述只是为进一步说明本发明的特征和优点,而不是对本发明权利要求的限制。
该部分的描述只针对几个典型的实施例,本发明并不仅局限于实施例描述的范围。相同或相近的现有技术手段与实施例中的一些技术特征进行相互替换也在本发明描述和保护的范围内。
本发明揭示了一种光缆束管纵剖接续方法,所述接续方法包括:步骤S1、光缆开剥步骤;步骤S2、光缆固定步骤;步骤S3、光纤接续步骤;步骤S4、接头盒组装步骤。
图1为本发明一实施例中光缆束管纵剖接续方法的流程图;请参阅图1,所述接续方法包括:
【步骤S1】光缆开剥步骤;具体包括:
步骤S11、纵剖光缆外护层纵剖步骤。
在纵剖光缆101上选取设定的纵剖长度,在纵剖光缆的设定位置(两个光缆外护套开剥处102)通过第一环切刀具环切割开外护层103(如图2所示);而后通过第一纵向开缆刀具 纵向割开光缆外护层(如图3所示);剥除纵剖部分的外护层,露出光缆内护层104(如图4所示)。
在一实施例中,所述第一环切刀具为管子割刀201,所述第一纵向开缆刀具为纵向开缆刀202。
步骤S12、纵剖光缆内护层纵剖步骤。
在距两端外护层103纵剖切口处设定距离、在纵剖光缆内护层104的设定位置(两个内护层开剥处105)通过第二环切刀具环切割开内护层(如图5所示);而后通过第二纵向开缆刀具纵向割开光缆内护层(如图6所示);剥除纵剖部分的内护套,清洁裸露的光纤束管107、加强芯,去除填充物(如图7所示)。
在一实施例中,所述第二环切刀具为内护层环切刀203,所述第二纵向开缆刀具为内护套剥除器204。
步骤S13、纵剖光缆护套两次纵剖步骤。
根据内护层内束管正反扭绞的中心点107确定光缆护套纵剖长度(如图8所示),再次纵剖光缆护套,去除外护套103和内护层104,清洁裸露的光纤束管106、加强芯,去除填充物;如图9至图12所示,具体纵剖过程可以参见步骤S11、步骤S12的过程。
步骤S14、分歧光缆开剥步骤。
在距分歧光缆111端头设定长度处(此处为开剥处112)环切(如图9所示,可通过管子割刀201完成环切),并抽出切断的外护层113,裸露内护套层114(如图10所示)。
在分歧光缆外护层113切口处设定距离环切(如图11所示,可通过纵向开缆刀202完成环切),并抽出切断的内护层114,清洁裸露的光纤束管116、加强芯,去除填充物(如图12所示)。
【步骤S2】光缆固定步骤;具体包括:
步骤S21、光缆连接支架安装步骤。
调整并固定纵剖光缆101和分歧光缆111;安装光缆连接支架302、光缆固定卡303(如图13所示)。
步骤S22、光纤束管预盘留、加强芯固定步骤。
清理核查纵剖光缆的光纤束管,将需分歧的分歧束管116与其它束管分开。按设定长度切断加强芯108,并卡入固定螺栓槽内。将纵剖光缆直通束管整理预盘留(形成盘留束管301)。分歧光缆111在连接支架302上固定,将分歧光缆111的加强芯117卡入固定螺栓槽内。拧紧加强芯固定螺栓并微弯固定加强芯(如图14所示)。
步骤S23、光纤盘留板安装步骤。
将光纤盘留板用螺栓固定在光缆连接支架上(如图15所示)。
步骤S24、光纤束管纵剖步骤。
在距纵剖光缆外护套一定距离处标示出束管纵剖两端的起始位置(作为束管开剥处109),用束管纵剖刀205纵向剖开束管106(如图16所示)。
割开束管(在一实施例中,使用设定钳具割开束管),剥除纵剖部分的束管,露出光纤。在光纤盘留板引入口处,在距分歧光缆外护套一定距离处切割束管并抽去(在一实施例中,使用钳具在距分歧光缆外护套一定距离处切割束管并抽去),露出纤芯109(如图17所示)。
步骤S25、光纤熔接压花盘留步骤。
将直通光纤在光纤盘留板118内做盘留(如图18所示)。
【步骤S3】光纤接续步骤;具体包括:
步骤S31、光纤端面制备步骤。
剥除涂覆层123,切割纤芯124,形成光纤端面。在一实施例中,通过光纤剖线钳206在光纤121的涂覆层剥除位置122环切,剥除涂覆层(如图19、图20所示),通过光纤切割刀207切割纤芯,形成光纤端面(如图21、图22所示)。
步骤S32、纤芯熔接步骤。
按纵剖接续方案确定的光纤纤序用光纤熔接机208将两个纤芯124熔接(如图23、图24所示)。
步骤S33、光纤接头热熔保护步骤。
熔接合格后的光纤接续部位用热缩加强管209保护(如图25所示)。
步骤S34、光纤盘留步骤。
光纤熔接后在收容盘内做盘留,并保证弯曲半径符合要求。可以在每层光纤盘留板上覆盖防震垫。
在本发明的一实施例中,所述步骤S3还包括:
步骤S35、接续时用OTDR实时监测接续损耗;具体包括:当接续点每接完一根光纤后,通知测试点进行测试;测试A-B、B-A两个方向的接续损耗,进行算术平均;光纤盘留安装完毕接头盒封装前,应对接头损耗进行复测。
【步骤S4】接头盒组装步骤;具体包括:
步骤S41、接头盒组装前应填写接续卡片并一式两份,一份放入接头盒211内;
步骤S42、按接头盒操作工艺进行接头盒211组装(如图26、图27所示);接头盒211 可由两个盒体拼合而成,通过内六角螺栓214固定。接头盒211的周边设有密封条212,接头盒211与光缆连接处设有堵头213。
步骤S43、接头盒组装完毕,应进行盒体密封性检查。
在本发明的一实施例中,所述接续方法进一步包括:
【步骤S5】机械保护步骤;
按直埋、管道、槽道、架空的敷设方式及现场条件,做好接头盒的机械防护(如图28所示)。接头盒211通过防震支架215固定。
【步骤S6】完工检测步骤;
进行整体工艺检查,并对接头质量复核;
施工场地清理,确认“工完、料净、场地清”。
综上所述,本发明提出的光缆束管纵剖接续方法,采用创新的纵剖接续工艺和精密的专用工具,降低接续时间、提高接续质量,节约通信管线资源,保障系统运营和维护效率。本发明采用传统的光纤电弧熔接法,接续损耗小,并且长期稳定性好、可靠性高。
本发明采用光纤束管预盘留技术和两侧单根光纤压花盘留技术,有效降低接续质量随时间劣化的影响。本发明采用光时域反射仪实时监测光纤的接续损耗,可通过系统网管等监测在用光纤链路的告警情况,最大程度保证接续过程质量。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
这里本发明的描述和应用是说明性的,并非想将本发明的范围限制在上述实施例中。实施例中所涉及的效果或优点可因多种因素干扰而可能不能在实施例中体现,对于效果或优点的描述不用于对实施例进行限制。这里所披露的实施例的变形和改变是可能的,对于那些本领域的普通技术人员来说实施例的替换和等效的各种部件是公知的。本领域技术人员应该清楚的是,在不脱离本发明的精神或本质特征的情况下,本发明可以以其它形式、结构、布置、比例,以及用其它组件、材料和部件来实现。在不脱离本发明范围和精神的情况下,可以对这里所披露的实施例进行其它变形和改变。

Claims (10)

  1. 一种光缆束管纵剖接续方法,其特征在于,所述接续方法包括:
    步骤S1、光缆开剥步骤;具体包括:
    步骤S11、纵剖光缆外护层纵剖步骤;
    在纵剖光缆上选取设定的纵剖长度,在纵剖光缆的设定位置通过第一环切刀具环切割开外护层;而后通过第一纵向开缆刀具纵向割开光缆外护层;剥除纵剖部分的外护套,露出光缆内护层;
    步骤S12、纵剖光缆内护层纵剖步骤;
    在距两端外护层纵剖切口处设定距离、在纵剖光缆内护层的设定位置通过第二环切刀具环切割开内护层;而后通过第二纵向开缆刀具纵向割开光缆内护层;剥除纵剖部分的内护套,清洁裸露的光纤束管、加强芯,去除填充物;
    步骤S13、纵剖光缆护套两次纵剖步骤;
    根据内护层内束管正反扭绞的中心点确定光缆护套纵剖长度,再次纵剖光缆护套,去除外护套和内护层,清洁裸露的光纤束管、加强芯,去除填充物;
    步骤S14、分歧光缆开剥步骤;
    在距分歧光缆端头设定长度处环切,并抽出切断的外护层,裸露内护套层;
    在分歧光缆外护层切口处设定距离环切,并抽出切断的内护层,清洁裸露的光纤束管、加强芯,去除填充物;
    步骤S2、光缆固定步骤;具体包括:
    步骤S21、光缆连接支架安装步骤;
    调整并固定纵剖光缆和分歧光缆;安装光缆连接支架、光缆固定卡;
    步骤S22、光纤束管预盘留、加强芯固定步骤;
    清理核查纵剖光缆的光纤束管,将需分歧的束管与其它束管分开;
    按设定长度切断加强芯,并卡入固定螺栓槽内;
    将纵剖光缆直通束管整理预盘留;
    分歧光缆在支架上固定,将分歧光缆加强芯卡入固定螺栓槽内;
    拧紧加强芯固定螺栓并微弯固定加强芯;
    步骤S23、光纤盘留板安装步骤;
    将光纤盘留板用螺栓固定在光缆连接支架上;
    步骤S24、光纤束管纵剖步骤;
    在距纵剖光缆外护套一定距离处标示出束管纵剖两端的起始位置,用束管纵剖刀纵向 剖开束管;
    割开束管,剥除纵剖部分的束管,露出光纤;
    在光纤盘留板引入口处,在距分歧光缆外护套一定距离处切割束管并抽去,露出光纤;
    步骤S25、光纤熔接压花盘留步骤;
    将直通光纤在光纤盘留板内做盘留;
    步骤S3、光纤接续步骤;具体包括:
    步骤S31、光纤端面制备步骤;
    剥除涂覆层,切割纤芯,形成光纤端面;
    步骤S32、纤芯熔接步骤;
    按纵剖接续方案确定的光纤纤序用光纤熔接机熔接;
    步骤S33、光纤接头热熔保护步骤;
    熔接合格后的光纤接续部位用热缩加强管保护;
    步骤S34、光纤盘留步骤;
    光纤熔接后在收容盘内做盘留,并保证弯曲半径符合要求;
    步骤S4、接头盒组装步骤;具体包括:
    步骤S41、接头盒组装前应填写接续卡片并一式两份,一份放入接头盒内;
    步骤S42、按接头盒操作工艺进行接头盒组装;
    步骤S43、接头盒组装完毕,应进行盒体密封性检查。
  2. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述接续方法进一步包括步骤S5、机械保护步骤;按直埋、管道、槽道、架空的敷设方式及现场条件,做好接头盒的机械防护。
  3. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述接续方法进一步包括步骤S6、完工检测步骤;进行整体工艺检查,并对接头质量复核;施工场地清理,确认“工完、料净、场地清”。
  4. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述步骤S11中,所述第一环切刀具为管子割刀,所述第一纵向开缆刀具为纵向开缆刀;
    所述步骤S12中,所述第二环切刀具为内护层环切刀,所述第二纵向开缆刀具为内护套剥除器。
  5. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述步骤S24中,使用钳具割开束管,剥除纵剖部分的束管,露出光纤;在光纤盘留板引入口处,使用钳具在距分歧光缆外护套一定距离处切割束管并抽去,露出光纤。
  6. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述步骤S31中,通过光纤剖线钳剥除涂覆层,通过光纤切割刀切割纤芯,形成光纤端面。
  7. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述步骤S34中,在每层光纤盘留板上覆盖防震垫。
  8. 根据权利要求1所述的光缆束管纵剖接续方法,其特征在于:
    所述步骤S3还包括:步骤S35、接续时用OTDR实时监测接续损耗。
  9. 根据权利要求8所述的光缆束管纵剖接续方法,其特征在于:
    步骤S35具体包括:
    当接续点每接完一根光纤后,通知测试点进行测试;
    测试A-B、B-A两个方向的接续损耗,进行算术平均;
    光纤盘留安装完毕接头盒封装前,应对接头损耗进行复测。
  10. 一种光缆束管纵剖接续方法,其特征在于,所述接续方法包括:
    步骤S1、光缆开剥步骤;
    步骤S2、光缆固定步骤;
    步骤S3、光纤接续步骤;
    步骤S4、接头盒组装步骤。
PCT/CN2021/073873 2020-06-22 2021-01-27 光缆束管纵剖接续方法 WO2021258729A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010576417.8A CN111983755B (zh) 2020-06-22 2020-06-22 光缆束管纵剖接续方法
CN202010576417.8 2020-06-22

Publications (1)

Publication Number Publication Date
WO2021258729A1 true WO2021258729A1 (zh) 2021-12-30

Family

ID=73441923

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/073873 WO2021258729A1 (zh) 2020-06-22 2021-01-27 光缆束管纵剖接续方法

Country Status (2)

Country Link
CN (1) CN111983755B (zh)
WO (1) WO2021258729A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117572563A (zh) * 2024-01-16 2024-02-20 江苏亨通光电股份有限公司 多芯光纤带光缆及其连接方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111983755B (zh) * 2020-06-22 2022-11-11 中国铁路通信信号上海工程局集团有限公司 光缆束管纵剖接续方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874216A (zh) * 2007-08-27 2010-10-27 泰科电子有限公司 光纤电缆控制夹和包括它的封罩组件和方法
CN101965531A (zh) * 2008-01-09 2011-02-02 Adc电信公司 适于装配在通信缆线跨中接入位置处的壁箱
JP2013113925A (ja) * 2011-11-25 2013-06-10 Nippon Tsushin Denzai Kk 光ファイバ接続用クロージャ
CN207851375U (zh) * 2018-01-31 2018-09-11 宁波展通电信设备股份有限公司 一种端部光缆固定模块可更换式分光接线盒
CN111983755A (zh) * 2020-06-22 2020-11-24 中国铁路通信信号上海工程局集团有限公司 光缆束管纵剖接续方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201340468Y (zh) * 2009-01-08 2009-11-04 烽火通信科技股份有限公司 壁挂式光缆分纤盒
CN103944034A (zh) * 2014-03-11 2014-07-23 汕头市南帆电器有限公司 一种电缆中间接头制作方法
CN104297880A (zh) * 2014-10-29 2015-01-21 国家电网公司 一种光缆接续方法
CN204613472U (zh) * 2015-05-26 2015-09-02 宁波展通电信设备股份有限公司 一种室外皮线快速配线接头盒

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874216A (zh) * 2007-08-27 2010-10-27 泰科电子有限公司 光纤电缆控制夹和包括它的封罩组件和方法
CN101965531A (zh) * 2008-01-09 2011-02-02 Adc电信公司 适于装配在通信缆线跨中接入位置处的壁箱
JP2013113925A (ja) * 2011-11-25 2013-06-10 Nippon Tsushin Denzai Kk 光ファイバ接続用クロージャ
CN207851375U (zh) * 2018-01-31 2018-09-11 宁波展通电信设备股份有限公司 一种端部光缆固定模块可更换式分光接线盒
CN111983755A (zh) * 2020-06-22 2020-11-24 中国铁路通信信号上海工程局集团有限公司 光缆束管纵剖接续方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117572563A (zh) * 2024-01-16 2024-02-20 江苏亨通光电股份有限公司 多芯光纤带光缆及其连接方法
CN117572563B (zh) * 2024-01-16 2024-03-29 江苏亨通光电股份有限公司 多芯光纤带光缆及其连接方法

Also Published As

Publication number Publication date
CN111983755A (zh) 2020-11-24
CN111983755B (zh) 2022-11-11

Similar Documents

Publication Publication Date Title
WO2021258729A1 (zh) 光缆束管纵剖接续方法
US8333519B2 (en) Splice of fiber optic cables
EP1872164B1 (en) Optical fiber repair apparatus with adjustable guide member and methods for using the same
JPS6254204A (ja) 光ケ−ブルの分岐接続工法
JPH024202A (ja) ケーブル包囲体とその組立方法
AU2009223230B2 (en) Method of attachment of a connector to a fiber optic cable
CA2735786A1 (en) Cable strain relief clamping devices and methods for using the same
CN102313929B (zh) 光纤熔接保护器及保护方法
CN104597568A (zh) 光纤接头的制作方法
CN110045461A (zh) 配网大容量复合光缆熔接的方法
JP3934598B2 (ja) 光ファイバのスプライス損失を低減するためのシステムと方法
JP2017068220A (ja) 金属管被覆光ファイバケーブルの接続構造及び接続方法
CN210272700U (zh) 一种智能电缆接头拼接结构
RU2229147C1 (ru) Муфта для оптических кабелей связи (варианты)
CN217032379U (zh) 一种沙漠埋地管道形变监测系统
CN108954018B (zh) 一种管道渗漏传感线缆的铺设方法
CN111812791B (zh) 一种光缆分纤方法
CN207281347U (zh) 一种金具式发热测温光缆接续盒
JP2558754Y2 (ja) 光ファイバケーブルの簡易接続装置
RU2246158C2 (ru) Способ ремонта свинцовых соединительных муфт на кабелях связи с алюминиевой оболочкой и полиэтиленовым защитным шлангом
KR20220108304A (ko) 해저 통신 광케이블 접속함
CN114137662A (zh) 一种不锈钢管光单元连接工艺
CN103823283A (zh) 一种用于井下多芯光缆快速连接的方法和设备
CN115774303A (zh) 一种井下光缆接续方法
KR101024078B1 (ko) 광드롭케이블 연결방법과, 이러한 연결방법을 통해 연결된 광드롭케이블과, 광드롭케이블 연결용 접속세트

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21829951

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21829951

Country of ref document: EP

Kind code of ref document: A1