WO2023221027A1 - Wound ultra-high-fiber-count branched slotted core optoelectronic composite optical cable and production method - Google Patents

Wound ultra-high-fiber-count branched slotted core optoelectronic composite optical cable and production method Download PDF

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Publication number
WO2023221027A1
WO2023221027A1 PCT/CN2022/093776 CN2022093776W WO2023221027A1 WO 2023221027 A1 WO2023221027 A1 WO 2023221027A1 CN 2022093776 W CN2022093776 W CN 2022093776W WO 2023221027 A1 WO2023221027 A1 WO 2023221027A1
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Prior art keywords
skeleton
optical cable
winding
tank
optical
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PCT/CN2022/093776
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French (fr)
Chinese (zh)
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张成龙
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南京华信藤仓光通信有限公司
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Priority to PCT/CN2022/093776 priority Critical patent/WO2023221027A1/en
Priority to DE212022000147.8U priority patent/DE212022000147U1/en
Publication of WO2023221027A1 publication Critical patent/WO2023221027A1/en

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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
    • G02B6/4479—Manufacturing methods of optical cables
    • 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
    • G02B6/4408—Groove structures in support members to decrease or harmonise transmission losses in ribbon cables
    • 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
    • G02B6/4489—Manufacturing methods of optical cables of central supporting members of lobe structure

Definitions

  • the invention relates to the technical field of optical cables, and in particular to a winding super large core number branch type skeleton type photoelectric composite optical cable and a production method.
  • the size of the optical cable skeleton trough with a large number of cores is large, and it completely relies on mesh optical fiber ribbon products to increase the fiber density.
  • the size of the central reinforcement is too large, resulting in a large structural size of the optical cable, which is not suitable for current pipelines.
  • optical cable cannot meet the requirements of optical fiber communication and have electrical signal communication capabilities. At the same time, the optical cable itself is too rigid and has poor bending performance. It is not suitable for various comprehensive wiring scenarios and the integrated network of current data centers.
  • the present invention provides a winding ultra-large core number branch type skeleton type optoelectronic composite optical cable and production methods.
  • a kind of winding super-large core count branch type skeleton type optoelectronic composite optical cable From the inside to the outside, the optical cable is composed of a skeleton tank, a skeleton tank base filled with optical communication units, a slot grid, reinforcements, water-blocking tapes, and parallel reinforcements. Outer sheath; the optical communication unit includes optical fiber ribbons, mesh optical fiber ribbons, optical fiber bundles, and tight-buffered optical fibers; the groove grid is set between each tank of the skeleton tank, and the skeleton tank is continuously wound from the center to the outside Form a winding tank frame.
  • the optical communication unit is made of flexible material, and the flexible material is one or more of rubber, PE, TPEE, PP, nylon, and TPU; the slot grid is made of rigid material, and the rigid material is modified PE, modified PBT, modified One or more of plastic PET and modified PP.
  • the skeleton-type tank body is designed in the form of hollow holes at a certain pitch in the longitudinal direction between the tank bodies.
  • steel wires or communication copper wires are embedded in the trench grid as tensile components and energizing components of the optical cable respectively.
  • the number of optical communication units is multiple, and the multiple optical communication units serve as an optical fiber sub-unit and are branched through the slot grid intervals between the slots.
  • a production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable including the following steps:
  • Step 1 Use a double extrusion process to extrude the skeleton groove.
  • the first extrusion is to extrude the skeleton groove base.
  • the skeleton groove base is produced with modified flexible materials.
  • holes are drilled on the skeleton groove base at fixed intervals through drilling equipment;
  • Secondary extrusion is used to extrude the groove grid on the skeleton groove base, which is produced using rigid materials, with reinforcements and copper wires embedded in the tapered design at the top of the groove grid;
  • Step 2 The optical communication unit including optical fiber bundles, optical fiber ribbons, and mesh optical fiber ribbons are placed into the gaps between the slot grids of the parallel skeleton tank through a pay-off machine;
  • Step 3 Apply adhesive glue to the top of the groove grid
  • Step 4 The flexible parallel skeleton tank body is rolled and formed through a circular forming transition mold. At the same time, the adhesive glue coated on the top of the slot grid is bonded to the bottom of the tank body during the winding process to complete the packaging of a single tank body;
  • Step 5 After the tank is completely formed, wrap the water-blocking tape on the surface as the water-blocking material for the optical cable;
  • Step 6 Extrude the outer sheath of the optical cable on the surface of the tank covered with water-blocking tape, and embed parallel FRP as the tensile element of the optical cable to complete the production of the entire winding large core count branch type skeleton type optoelectronic composite optical cable.
  • the fixed spacing of the drilling equipment in step one is 3-5 mm
  • the shape of the holes on the skeleton groove base is circular or square.
  • the outer protective layer is PE
  • the parallel FRP is peeled fiber reinforced plastic.
  • the ultra-large core number of the present invention can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and the overall outer diameter of the optical cable can be reduced by 30%-40 under the same number of cores. %, so the fiber density of this type of optical cable with the same size can be increased from 2.5 f/mm ⁇ 2 to 4.5f/mm ⁇ 2 or even higher, which is suitable for the current laying environment where pipeline resources are tight;
  • optical and electrical composite design of this optical cable is more suitable for the integrated network of the current data center and is the development trend of ultra-large core number optical cables in the future.
  • Figure 1 is a cross-sectional view of a winding ultra-large core number branch type skeleton type optoelectronic composite optical cable according to the present invention
  • Figure 2 is a cross-sectional view of a parallel state skeleton-type trough of a winding super-large core number branch type skeleton-type optoelectronic composite optical cable according to the present invention
  • Figure 3 is a parallel state skeleton trough view of a winding super large core number branch type skeleton type optoelectronic composite optical cable according to the present invention
  • Figure 4 is a hollow design diagram of a parallel state skeleton type trough body of a winding super large core number branch type skeleton type optoelectronic composite optical cable according to the present invention
  • Figure 5 is the bottom of a hollow design diagram of a parallel state skeleton type trough of a winding branch type skeleton type optoelectronic composite optical cable with a large number of cores according to the present invention.
  • the present invention provides a winding ultra-large core count branch type skeleton type optoelectronic composite optical cable.
  • the optical cable is composed of a skeleton tank 1, a skeleton tank base 2 filled with optical communication units, and a slot.
  • the optical communication unit includes optical fiber ribbons, mesh optical fiber ribbons, optical fiber bundles, and tight-buffered optical fibers;
  • the groove grid 3 is set in a skeleton groove
  • the skeleton type tank body 2 is continuously rolled from the center to the outside to form a rolling tank body frame.
  • the ultra-large number of cores can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and reduce the overall outer diameter of the optical cable, thereby increasing the fiber density of this type of optical cable with the same size, and is suitable for The current laying environment where pipeline resources are tight;
  • the optical communication unit is made of flexible material, and the flexible material is one or more of rubber, PE, TPEE, PP, nylon, and TPU; the slot grid is made of rigid material, and the rigid material is modified PE, modified PBT, modified One or more of plastic PET and modified PP.
  • the design of the flexible base body of the skeleton trough body 1 combined with the rigid groove grid facilitates optical cable molding and subsequent optical cable branch stripping construction.
  • the spaced hollow design of the skeleton trough base body allows manual longitudinal tearing and stripping for subsequent optical cable construction. , greatly improving the branch construction performance and construction efficiency of optical cables;
  • the longitudinal direction between the troughs of the skeleton type trough 1 is designed in the form of hollow holes at a certain pitch.
  • the spaced hollow design of the skeleton groove base 2 allows manual longitudinal tearing and peeling of the subsequent optical cable construction, which greatly improves the branch construction performance and construction efficiency of the optical cable.
  • steel wires or communication copper wires are embedded in the trench grid 3 as tensile components and energizing components of the optical cable respectively.
  • the number of optical communication units is multiple, and the multiple optical communication units serve as an optical fiber sub-unit and are branched through the slot grid intervals between the slots.
  • a production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable including the following steps:
  • Step 1 Use a double extrusion process to extrude the skeleton groove.
  • the first extrusion is to extrude the skeleton groove base 2.
  • the skeleton groove base 2 is produced using modified flexible materials.
  • holes are drilled on the skeleton groove base 2 at fixed intervals through drilling equipment.
  • the second extrusion is to extrude the groove grid on the skeleton groove base, which is produced with rigid materials, and the reinforcement and copper wire are embedded in the tapered design at the top of the groove grid.
  • the cable's skeleton design gives the cable extremely high mechanical strength.
  • Step 2 The optical communication unit including optical fiber bundles, optical fiber ribbons, and mesh optical fiber ribbons are placed into the gaps between the slot grids 3 of the parallel skeleton tank through a pay-off machine.
  • Step 3 Apply adhesive glue to the top of the groove grate 3; the bonding design at the top of the skeleton groove grate 3 stabilizes the strength of the skeleton groove body and is separable, providing convenient conditions for branching during construction.
  • Step 4 Use the circular forming transition mold to roll and shape the flexible parallel skeleton tank body.
  • the adhesive glue coated on the top of the slot grid 3 is bonded to the bottom of the tank body during the winding process to complete the packaging of a single tank body; to prevent production The optical communication unit overflowed during the process.
  • Step 5 After the tank is completely formed, wrap the water-blocking tape on the surface as the water-blocking material for the optical cable;
  • Step 6 Extrude the outer sheath 7 of the optical cable on the surface of the tank after being covered with the water-blocking tape 5, and embed parallel FRP as the tensile element of the optical cable to complete the entire winding of the large core count branch type skeleton type photoelectric composite optical cable. Production.
  • the fixed spacing of the drilling equipment is 3-5 mm
  • the shape of the holes on the skeleton tank base 2 is round or square, which facilitates subsequent manual separation of the skeleton tank body.
  • step six the outer sheath 7 is PE, and the parallel FRP is peeled fiber reinforced plastic.
  • Test items unit Optical cable of the present invention Optical cable with the same core number in the prior art outer diameter Mm 22mm >30mm Fiber density f/mm ⁇ 2 4.5 or above 2.5 Mechanical properties strength N 5000 and above 2700
  • the ultra-large core number of the present invention can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and the overall outer diameter of the optical cable can be reduced by 30% under the same number of cores. 40%, so the fiber density of this type of optical cable with the same size can be increased from 2.5 f/mm ⁇ 2 to 4.5f/mm ⁇ 2 or even higher, which is suitable for the current laying environment with tight pipeline resources;
  • the skeleton design of this optical cable gives the optical cable extremely high mechanical performance strength, which is 2 times or more higher than that of conventional optical cables.

Abstract

A wound ultra-high-fiber-count branched slotted core optoelectronic composite optical cable, comprising a slotted core skeleton (1), slots (2) filled with optical communication units, teeth (3), a reinforcing member (4), a water blocking tape (5), parallel reinforcing members (6) and an outer sheath (7) from inside to outside. The slotted core skeleton (1) continuously winds from the center to the outer side to form a slotted core skeleton frame. A production method for the optical cable comprises the following steps: step 1, forming the slots (2) by means of extrusion, and punching the slots (2) by means of a punching device; forming the teeth (3) by means of secondary extrusion, and embedding the reinforcing member (4) and copper wires into the conical design at the top ends of the teeth (3); step 2, placing the optical communication units into gaps between the teeth (3) by means of a wire laying machine; step 3, coating the top ends of the teeth (3) with an adhesive ; step 4, winding the parallel slotted core skeleton (1), and coating and bonding the top ends of the teeth (3) to complete packaging of a single slotted core skeleton; step 5, wrapping the water blocking tape (5) around the surface; and step 6, forming an outer protective layer (7) on the surface of the slotted core skeleton by means of extrusion, and embedding the parallel reinforcing members (6) to complete the production of a composite optical cable. According to the composite optical cable, the structural size of a high-fiber-count optical cable is reduced and the optical fiber density is improved.

Description

一种卷绕超大芯数分支型骨架式光电复合光缆及生产方法A kind of winding super large core number branch type skeleton type photoelectric composite optical cable and production method 技术领域Technical field
本发明涉及光缆技术领域，具体涉及一种卷绕超大芯数分支型骨架式光电复合光缆及生产方法。The invention relates to the technical field of optical cables, and in particular to a winding super large core number branch type skeleton type photoelectric composite optical cable and a production method.
背景技术Background technique
随着超高密度超大芯数新型光纤带光缆的制造技术日趋成熟和5G网络建设的高速发展，光电缆布放的物理空间—管道日益紧迫， 大流量数据传输迫切需要新型的传输光缆，对于超大芯数光缆的需求与日俱增，降低大芯数光缆的结构尺寸，提升光纤密度是线缆光通信行业未来发展的方向。As the manufacturing technology of new ultra-high-density and ultra-large-core optical fiber ribbon cables becomes increasingly mature and 5G network construction develops at a rapid pace, the physical space for optical cable deployment - pipelines - becomes increasingly tight. New transmission optical cables are urgently needed for large-traffic data transmission. For ultra-large The demand for core-count optical cables is increasing day by day. Reducing the structural size of large-core optical cables and increasing fiber density are the future development directions of the cable optical communication industry.
技术问题technical problem
目前现有技术超大芯数分支型骨架式光电复合光缆存在以下问题：At present, the existing technology of ultra-large core number branch type skeleton type photoelectric composite optical cable has the following problems:
1、超大芯数的光缆骨架槽槽体尺寸大，完全依赖于网状光纤带产品提升光纤密度，加上机械性能的限制中心加强件尺寸偏大导致光缆的结构尺寸大，不适用于当前管道资源紧张的敷设环境；1. The size of the optical cable skeleton trough with a large number of cores is large, and it completely relies on mesh optical fiber ribbon products to increase the fiber density. In addition, due to the limitation of mechanical performance, the size of the central reinforcement is too large, resulting in a large structural size of the optical cable, which is not suitable for current pipelines. Resource-constrained installation environment;
2、超大芯数光缆无法兼顾骨架槽槽体的强度的同时又具备分离性，后续施工中进行光缆分支开剥较为复杂导致施工效率低；2. Ultra-large core number optical cables cannot take into account the strength of the skeleton trough body and the separability at the same time. In subsequent construction, the branching and stripping of optical cables is more complicated, resulting in low construction efficiency;
3、有些超大芯数光缆无法满足光纤通信的同时具备电信号通信能力，同时光缆本身刚性过大，弯曲性能差，不适用于多种综合性布线场景以及当前数据中心的集成网络。3. Some ultra-large core number optical cables cannot meet the requirements of optical fiber communication and have electrical signal communication capabilities. At the same time, the optical cable itself is too rigid and has poor bending performance. It is not suitable for various comprehensive wiring scenarios and the integrated network of current data centers.
技术解决方案Technical solutions
针对上述存在的问题，为了适应现有骨架光缆密度高尺寸小要求的建设需求，同时保证光缆的高强度易分支性能的需求，本发明提供一种卷绕超大芯数分支型骨架式光电复合光缆及生产方法。In view of the above existing problems, in order to adapt to the construction needs of existing skeleton optical cables that require high density and small size, while ensuring the high strength and easy branching performance of the optical cable, the present invention provides a winding ultra-large core number branch type skeleton type optoelectronic composite optical cable and production methods.
一种卷绕超大芯数分支型骨架式光电复合光缆，光缆从内到外分别为骨架式槽体、填充光通信单元的骨架槽基体、槽栅、加强件、阻水带、平行加强件、外护套；光通信单元包括光纤并带、网状光纤带、光纤束、紧套光纤；槽栅设置在骨架式槽体的每个槽体间，骨架式槽体由中心不断向外侧卷绕形成卷绕槽体框架。A kind of winding super-large core count branch type skeleton type optoelectronic composite optical cable. From the inside to the outside, the optical cable is composed of a skeleton tank, a skeleton tank base filled with optical communication units, a slot grid, reinforcements, water-blocking tapes, and parallel reinforcements. Outer sheath; the optical communication unit includes optical fiber ribbons, mesh optical fiber ribbons, optical fiber bundles, and tight-buffered optical fibers; the groove grid is set between each tank of the skeleton tank, and the skeleton tank is continuously wound from the center to the outside Form a winding tank frame.
优选的，光通信单元为柔性材料，柔性材料为橡胶、PE、TPEE、PP、尼龙、TPU中的一种或几种；槽栅为刚性材料，刚性材料为改性PE、改性PBT、改性PET、改性PP中的一种或几种。Preferably, the optical communication unit is made of flexible material, and the flexible material is one or more of rubber, PE, TPEE, PP, nylon, and TPU; the slot grid is made of rigid material, and the rigid material is modified PE, modified PBT, modified One or more of plastic PET and modified PP.
优选的，骨架式槽体的槽体间纵向方向以一定节距镂空小孔形式设计。Preferably, the skeleton-type tank body is designed in the form of hollow holes at a certain pitch in the longitudinal direction between the tank bodies.
优选的，槽栅内嵌入钢丝或通信铜线分别作为光缆的抗张元件和通电元件。Preferably, steel wires or communication copper wires are embedded in the trench grid as tensile components and energizing components of the optical cable respectively.
优选的，光通信单元数量为多个，多个光通信单元作为一个光纤子单元，通过槽体间的槽栅间隔进行分支。Preferably, the number of optical communication units is multiple, and the multiple optical communication units serve as an optical fiber sub-unit and are branched through the slot grid intervals between the slots.
一种卷绕超大芯数分支型骨架式光电复合光缆的生产方法，包括以下步骤：A production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable, including the following steps:
步骤一：采用双挤塑工艺挤制骨架槽，第一次挤塑挤出骨架槽基体，骨架槽基体采用改性柔性材料生产，同时通过打孔设备固定间距在骨架槽基体上打孔；第二次挤塑在骨架槽基体上挤制槽栅，采用刚性材料生产，加强件和铜丝嵌入到槽栅顶端锥形设计内；Step 1: Use a double extrusion process to extrude the skeleton groove. The first extrusion is to extrude the skeleton groove base. The skeleton groove base is produced with modified flexible materials. At the same time, holes are drilled on the skeleton groove base at fixed intervals through drilling equipment; Secondary extrusion is used to extrude the groove grid on the skeleton groove base, which is produced using rigid materials, with reinforcements and copper wires embedded in the tapered design at the top of the groove grid;
步骤二：光通信单元包括光纤束、光纤并带、网状光纤带通过放线机放入平行骨架式槽体的槽栅之间的空隙中；Step 2: The optical communication unit including optical fiber bundles, optical fiber ribbons, and mesh optical fiber ribbons are placed into the gaps between the slot grids of the parallel skeleton tank through a pay-off machine;
步骤三：在槽栅顶端涂覆粘接胶；Step 3: Apply adhesive glue to the top of the groove grid;
步骤四：通过圆形成型过渡模具将柔性的平行骨架式槽体卷绕成型，同时槽栅顶端涂覆的粘接胶卷绕过程中粘接到槽体底部完成单个槽体的封装；Step 4: The flexible parallel skeleton tank body is rolled and formed through a circular forming transition mold. At the same time, the adhesive glue coated on the top of the slot grid is bonded to the bottom of the tank body during the winding process to complete the packaging of a single tank body;
步骤五：槽体完全成型后在表面包裹阻水带作为光缆的阻水材料；Step 5: After the tank is completely formed, wrap the water-blocking tape on the surface as the water-blocking material for the optical cable;
步骤六：在包覆阻水带后的槽体表面挤制光缆的外护层，同时嵌入平行FRP作为光缆的抗张元件，完成整个卷绕大芯数分支型骨架式光电复合光缆的生产。Step 6: Extrude the outer sheath of the optical cable on the surface of the tank covered with water-blocking tape, and embed parallel FRP as the tensile element of the optical cable to complete the production of the entire winding large core count branch type skeleton type optoelectronic composite optical cable.
优选的，步骤一中打孔设备的固定间距为3-5mm，骨架槽基体上孔的形状为圆形或方形。Preferably, the fixed spacing of the drilling equipment in step one is 3-5 mm, and the shape of the holes on the skeleton groove base is circular or square.
优选的，步骤六中外护层为PE，平行FRP为剥离纤维增强塑料。Preferably, in step six, the outer protective layer is PE, and the parallel FRP is peeled fiber reinforced plastic.
有益效果beneficial effects
与最接近的现有技术比，本发明提供的技术方案具有如下有益效果：Compared with the closest existing technology, the technical solution provided by the present invention has the following beneficial effects:
（1）本发明超大芯数可根据设计要求增加骨架槽槽体的长度，无限卷绕叠加，提高光通信单元的填充芯数，相同芯数条件下光缆的整体外径可下降30%-40%，因此该型号光缆同尺寸下的光纤密度可由2.5 f/mm^2提高到4.5f/mm^2甚至更高，适用于当前管道资源紧张的敷设环境；(1) The ultra-large core number of the present invention can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and the overall outer diameter of the optical cable can be reduced by 30%-40 under the same number of cores. %, so the fiber density of this type of optical cable with the same size can be increased from 2.5 f/mm^2 to 4.5f/mm^2 or even higher, which is suitable for the current laying environment where pipeline resources are tight;
（2）该光缆的骨架式设计使光缆具有极高的机械性能强度，较常规型号光缆提升2倍以上； (2) The skeleton design of this optical cable gives the optical cable extremely high mechanical performance strength, which is more than 2 times higher than that of conventional optical cables;
（3）该骨架槽槽体的柔性基体与刚性槽栅结合的设计便于光缆成型与后续的光缆分支开剥施工，同时骨架槽基体的间隔性镂空设计可以使后续的光缆施工进行手动纵向撕开开剥，大大提高的光缆的分支施工性能及施工效率；(3) The design of the flexible base of the skeleton trough body combined with the rigid groove grid facilitates optical cable molding and subsequent optical cable branch stripping construction. At the same time, the spaced hollow design of the skeleton trough base body allows manual longitudinal tearing of subsequent optical cable construction. Stripping greatly improves the branch construction performance and construction efficiency of optical cables;
（4）骨架槽槽栅顶端的粘接设计更加稳定了骨架槽槽体的强度，同时又具备分离性，为施工提供了分支的便利条件；(4) The bonding design at the top of the skeleton trough grid stabilizes the strength of the skeleton trough body and is separable, providing convenient conditions for branching during construction;
（5）该光缆光电复合的设计更加适用于当前数据中心的集成网络，是未来超大芯数光缆的发展趋势。(5) The optical and electrical composite design of this optical cable is more suitable for the integrated network of the current data center and is the development trend of ultra-large core number optical cables in the future.
附图说明Description of the drawings
图1为本发明一种卷绕超大芯数分支型骨架式光电复合光缆截面图；Figure 1 is a cross-sectional view of a winding ultra-large core number branch type skeleton type optoelectronic composite optical cable according to the present invention;
图2为本发明一种卷绕超大芯数分支型骨架式光电复合光缆平行状态骨架式槽体截面图；Figure 2 is a cross-sectional view of a parallel state skeleton-type trough of a winding super-large core number branch type skeleton-type optoelectronic composite optical cable according to the present invention;
图3为本发明一种卷绕超大芯数分支型骨架式光电复合光缆平行状态骨架式槽体图；Figure 3 is a parallel state skeleton trough view of a winding super large core number branch type skeleton type optoelectronic composite optical cable according to the present invention;
图4为本发明一种卷绕超大芯数分支型骨架式光电复合光缆平行状态骨架式槽体镂空设计图；Figure 4 is a hollow design diagram of a parallel state skeleton type trough body of a winding super large core number branch type skeleton type optoelectronic composite optical cable according to the present invention;
图5为本发明一种卷绕超大芯数分支型骨架式光电复合光缆平行状态骨架式槽体镂空设计图底部。Figure 5 is the bottom of a hollow design diagram of a parallel state skeleton type trough of a winding branch type skeleton type optoelectronic composite optical cable with a large number of cores according to the present invention.
其中1、骨架式槽体，2、骨架槽基体，3、槽栅，4、加强件，5、阻水带，6、平行加强件，7、外护层。Among them, 1. Skeleton tank body, 2. Skeleton tank base body, 3. Trough grid, 4. Reinforcement parts, 5. Water blocking strip, 6. Parallel reinforcement parts, 7. Outer protective layer.
本发明的最佳实施方式Best Mode of Carrying Out the Invention
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
请参阅图1至图5，本发明提供一种卷绕超大芯数分支型骨架式光电复合光缆，光缆从内到外分别为骨架式槽体1、填充光通信单元的骨架槽基体2、槽栅3、加强件4、阻水带5、平行加强件6、外护层7；光通信单元包括光纤并带、网状光纤带、光纤束、紧套光纤；槽栅3设置在骨架式槽体1的每个槽体间，骨架式槽体2由中心不断向外侧卷绕形成卷绕槽体框架。超大芯数可根据设计要求增加骨架槽槽体的长度，无限卷绕叠加，提高光通信单元的填充芯数，降低光缆的整体外径，因此提高该型号光缆同尺寸下的光纤密度，适用于当前管道资源紧张的敷设环境；Please refer to Figures 1 to 5. The present invention provides a winding ultra-large core count branch type skeleton type optoelectronic composite optical cable. From the inside to the outside, the optical cable is composed of a skeleton tank 1, a skeleton tank base 2 filled with optical communication units, and a slot. Grating 3, reinforcement 4, water-blocking tape 5, parallel reinforcement 6, outer sheath 7; the optical communication unit includes optical fiber ribbons, mesh optical fiber ribbons, optical fiber bundles, and tight-buffered optical fibers; the groove grid 3 is set in a skeleton groove Between each tank body of the body 1, the skeleton type tank body 2 is continuously rolled from the center to the outside to form a rolling tank body frame. The ultra-large number of cores can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and reduce the overall outer diameter of the optical cable, thereby increasing the fiber density of this type of optical cable with the same size, and is suitable for The current laying environment where pipeline resources are tight;
进一步的，光通信单元为柔性材料，柔性材料为橡胶、PE、TPEE、PP、尼龙、TPU中的一种或几种；槽栅为刚性材料，刚性材料为改性PE、改性PBT、改性PET、改性PP中的一种或几种。该骨架槽槽体1的柔性基体与刚性槽栅结合的设计便于光缆成型与后续的光缆分支开剥施工，同时骨架槽基体的间隔性镂空设计可以使后续的光缆施工进行手动纵向撕开开剥，大大提高的光缆的分支施工性能及施工效率；Further, the optical communication unit is made of flexible material, and the flexible material is one or more of rubber, PE, TPEE, PP, nylon, and TPU; the slot grid is made of rigid material, and the rigid material is modified PE, modified PBT, modified One or more of plastic PET and modified PP. The design of the flexible base body of the skeleton trough body 1 combined with the rigid groove grid facilitates optical cable molding and subsequent optical cable branch stripping construction. At the same time, the spaced hollow design of the skeleton trough base body allows manual longitudinal tearing and stripping for subsequent optical cable construction. , greatly improving the branch construction performance and construction efficiency of optical cables;
进一步的，骨架式槽体1的槽体间纵向方向以一定节距镂空小孔形式设计。骨架槽基体2的间隔性镂空设计可以使后续的光缆施工进行手动纵向撕开开剥，大大提高的光缆的分支施工性能及施工效率。Furthermore, the longitudinal direction between the troughs of the skeleton type trough 1 is designed in the form of hollow holes at a certain pitch. The spaced hollow design of the skeleton groove base 2 allows manual longitudinal tearing and peeling of the subsequent optical cable construction, which greatly improves the branch construction performance and construction efficiency of the optical cable.
进一步的，槽栅3内嵌入钢丝或通信铜线分别作为光缆的抗张元件和通电元件。Further, steel wires or communication copper wires are embedded in the trench grid 3 as tensile components and energizing components of the optical cable respectively.
进一步的，光通信单元数量为多个，多个光通信单元作为一个光纤子单元，通过槽体间的槽栅间隔进行分支。Further, the number of optical communication units is multiple, and the multiple optical communication units serve as an optical fiber sub-unit and are branched through the slot grid intervals between the slots.
一种卷绕超大芯数分支型骨架式光电复合光缆的生产方法，包括以下步骤：A production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable, including the following steps:
步骤一：采用双挤塑工艺挤制骨架槽，第一次挤塑挤出骨架槽基体2，骨架槽基体2采用改性柔性材料生产，同时通过打孔设备固定间距在骨架槽基体2上打孔；第二次挤塑在骨架槽基体上挤制槽栅，采用刚性材料生产，加强件和铜丝嵌入到槽栅顶端锥形设计内。该光缆的骨架式设计使光缆具有极高的机械性能强度。Step 1: Use a double extrusion process to extrude the skeleton groove. The first extrusion is to extrude the skeleton groove base 2. The skeleton groove base 2 is produced using modified flexible materials. At the same time, holes are drilled on the skeleton groove base 2 at fixed intervals through drilling equipment. hole; the second extrusion is to extrude the groove grid on the skeleton groove base, which is produced with rigid materials, and the reinforcement and copper wire are embedded in the tapered design at the top of the groove grid. The cable's skeleton design gives the cable extremely high mechanical strength.
步骤二：光通信单元包括光纤束、光纤并带、网状光纤带通过放线机放入平行骨架式槽体的槽栅3之间的空隙中。Step 2: The optical communication unit including optical fiber bundles, optical fiber ribbons, and mesh optical fiber ribbons are placed into the gaps between the slot grids 3 of the parallel skeleton tank through a pay-off machine.
步骤三：在槽栅3顶端涂覆粘接胶；骨架槽槽栅3顶端的粘接设计更加稳定了骨架槽槽体的强度，同时又具备分离性，为施工提供了分支的便利条件。Step 3: Apply adhesive glue to the top of the groove grate 3; the bonding design at the top of the skeleton groove grate 3 stabilizes the strength of the skeleton groove body and is separable, providing convenient conditions for branching during construction.
步骤四：通过圆形成型过渡模具将柔性的平行骨架式槽体卷绕成型，同时槽栅3顶端涂覆的粘接胶卷绕过程中粘接到槽体底部完成单个槽体的封装；防止生产过程中光通信单元溢出。Step 4: Use the circular forming transition mold to roll and shape the flexible parallel skeleton tank body. At the same time, the adhesive glue coated on the top of the slot grid 3 is bonded to the bottom of the tank body during the winding process to complete the packaging of a single tank body; to prevent production The optical communication unit overflowed during the process.
步骤五：槽体完全成型后在表面包裹阻水带作为光缆的阻水材料；Step 5: After the tank is completely formed, wrap the water-blocking tape on the surface as the water-blocking material for the optical cable;
步骤六：在包覆阻水带5后的槽体表面挤制光缆的外护层7，同时嵌入平行FRP作为光缆的抗张元件，完成整个卷绕大芯数分支型骨架式光电复合光缆的生产。Step 6: Extrude the outer sheath 7 of the optical cable on the surface of the tank after being covered with the water-blocking tape 5, and embed parallel FRP as the tensile element of the optical cable to complete the entire winding of the large core count branch type skeleton type photoelectric composite optical cable. Production.
进一步的，步骤一中打孔设备的固定间距为3-5mm，骨架槽基体2上孔的形状为圆形或方形，便于后续骨架槽体的手动分离。Further, in step one, the fixed spacing of the drilling equipment is 3-5 mm, and the shape of the holes on the skeleton tank base 2 is round or square, which facilitates subsequent manual separation of the skeleton tank body.
进一步的，步骤六中外护层7为PE，平行FRP为剥离纤维增强塑料。Further, in step six, the outer sheath 7 is PE, and the parallel FRP is peeled fiber reinforced plastic.
本实施例中各项性能的检测如下表1所示：The detection of various performances in this embodiment is shown in Table 1 below:
检测项目Test items 单位unit 本发明光缆Optical cable of the present invention 现有技术相同芯数光缆Optical cable with the same core number in the prior art
外径outer diameter MmMm 22mm22mm >30mm>30mm
光纤密度Fiber density f/mm^2f/mm^2 4.5以上4.5 or above 2.52.5
机械性能强度Mechanical properties strength NN 5000以上5000 and above 27002700
表1实施例的性能检测表Table 1 Performance test table of the embodiment
由表可知，本发明超大芯数可根据设计要求增加骨架槽槽体的长度，无限卷绕叠加，提高光通信单元的填充芯数，相同芯数条件下光缆的整体外径可下降30%-40%，因此该型号光缆同尺寸下的光纤密度可由2.5 f/mm^2提高到4.5f/mm^2甚至更高，适用于当前管道资源紧张的敷设环境；It can be seen from the table that the ultra-large core number of the present invention can increase the length of the skeleton groove body according to the design requirements, infinite winding superposition, increase the number of filling cores of the optical communication unit, and the overall outer diameter of the optical cable can be reduced by 30% under the same number of cores. 40%, so the fiber density of this type of optical cable with the same size can be increased from 2.5 f/mm^2 to 4.5f/mm^2 or even higher, which is suitable for the current laying environment with tight pipeline resources;
该光缆的骨架式设计使光缆具有极高的机械性能强度，较常规型号光缆提升2倍及以上。The skeleton design of this optical cable gives the optical cable extremely high mechanical performance strength, which is 2 times or more higher than that of conventional optical cables.
以上实施例仅用以说明本发明的技术方案而非对其限制，尽管参照上述实施例对本发明进行了详细的说明，所属领域的普通技术人员依然可以对本发明的具体实施方式进行修改或者等同替换，这些未脱离本发明精神和范围的任何修改或者等同替换，均在申请待批的本发明的权利要求保护范围之内。The above embodiments are only used to illustrate the technical solutions of the present invention but not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still make modifications or equivalent substitutions to the specific embodiments of the present invention. , any modifications or equivalent substitutions that do not depart from the spirit and scope of the invention are within the scope of the claims of the pending invention.

Claims (8)

  1. 一种卷绕超大芯数分支型骨架式光电复合光缆，包括骨架式槽体、光通信单元，其特征在于：光缆从内到外分别为骨架式槽体、填充光通信单元的骨架槽基体、槽栅、加强件、阻水带、平行加强件、外护层；所述光通信单元包括光纤并带、网状光纤带、光纤束、紧套光纤；所述槽栅设置在骨架式槽体的每个槽体间，骨架式槽体由中心不断向外侧卷绕形成卷绕槽体框架。A kind of winding super large core count branch type skeleton type optoelectronic composite optical cable, which includes a skeleton type tank body and an optical communication unit, and is characterized in that: from the inside to the outside, the optical cable is composed of a skeleton type tank body, a skeleton tank base body filled with the optical communication unit, Groove grid, reinforcement, water-blocking tape, parallel reinforcement, and outer protective layer; the optical communication unit includes optical fiber ribbons, mesh fiber ribbons, fiber bundles, and tight-buffered optical fibers; the trench grid is arranged in a skeleton tank body Between each tank, the skeleton tank is continuously rolled from the center to the outside to form a rolling tank frame.
  2. 根据权利要求1所述的一种卷绕超大芯数分支型骨架式光电复合光缆，其特征在于：所述光通信单元为柔性材料，柔性材料为橡胶、PE、TPEE、PP、尼龙、TPU中的一种或几种；槽栅为刚性材料，刚性材料为改性PE、改性PBT、改性PET、改性PP中的一种或几种。A kind of winding ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 1, characterized in that: the optical communication unit is made of flexible material, and the flexible material is rubber, PE, TPEE, PP, nylon, TPU. One or more of them; the slot gate is a rigid material, and the rigid material is one or more of modified PE, modified PBT, modified PET, and modified PP.
  3. 根据权利要求1所述的一种卷绕超大芯数分支型骨架式光电复合光缆，其特征在于：所述骨架式槽体的槽体间纵向方向以一定节距镂空小孔形式设计。A kind of winding ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 1, characterized in that: the longitudinal direction between the slots of the skeleton type tank body is designed in the form of hollow holes at a certain pitch.
  4. 根据权利要求1所述的一种卷绕超大芯数分支型骨架式光电复合光缆，其特征在于：所述槽栅内嵌入钢丝或通信铜线分别作为光缆的抗张元件和通电元件。A kind of winding ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 1, characterized in that: steel wires or communication copper wires are embedded in the groove grid as the tensile element and the energizing element of the optical cable respectively.
  5. 根据权利要求1所述的一种卷绕超大芯数分支型骨架式光电复合光缆，其特征在于：所述光通信单元数量为多个，多个光通信单元作为一个光纤子单元通过槽体间的槽栅间隔进行分支。A kind of winding ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 1, characterized in that: the number of said optical communication units is multiple, and the multiple optical communication units pass between the tanks as one optical fiber sub-unit. The grooves and gates are spaced apart for branching.
  6. 一种卷绕超大芯数分支型骨架式光电复合光缆的生产方法，其特征在于：包括以下步骤：A production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable, which is characterized by: including the following steps:
    步骤一：采用双挤塑工艺挤制骨架槽，第一次挤塑挤出骨架槽基体，骨架槽基体采用改性柔性材料生产，同时通过打孔设备固定间距在骨架槽基体上打孔；第二次挤塑在骨架槽基体上挤制槽栅，采用刚性材料生产，加强件和铜丝嵌入到槽栅顶端锥形设计内；Step 1: Use a double extrusion process to extrude the skeleton groove. The first extrusion is to extrude the skeleton groove base. The skeleton groove base is produced with modified flexible materials. At the same time, holes are drilled on the skeleton groove base at fixed intervals through drilling equipment; Secondary extrusion is used to extrude the groove grid on the skeleton groove base, which is produced using rigid materials, with reinforcements and copper wires embedded in the tapered design at the top of the groove grid;
    步骤二：光通信单元包括光纤束、光纤并带、网状光纤带通过放线机放入平行骨架式槽体的槽栅之间的空隙中；Step 2: The optical communication unit including optical fiber bundles, optical fiber ribbons, and mesh optical fiber ribbons are placed into the gaps between the slot grids of the parallel skeleton tank through a pay-off machine;
    步骤三：在槽栅顶端涂覆粘接胶；Step 3: Apply adhesive glue to the top of the groove grid;
    步骤四：通过圆形成型过渡模具将柔性的平行骨架式槽体卷绕成型，同时槽栅顶端涂覆的粘接胶卷绕过程中粘接到槽体底部完成单个槽体的封装；Step 4: The flexible parallel skeleton tank body is rolled and formed through a circular forming transition mold. At the same time, the adhesive glue coated on the top of the slot grid is bonded to the bottom of the tank body during the winding process to complete the packaging of a single tank body;
    步骤五：槽体完全成型后在表面包裹阻水带作为光缆的阻水材料；Step 5: After the tank is completely formed, wrap the water-blocking tape on the surface as the water-blocking material for the optical cable;
    步骤六：在包覆阻水带后的槽体表面挤制光缆的外护层，同时嵌入平行FRP作为光缆的抗张元件，完成整个卷绕大芯数分支型骨架式光电复合光缆的生产。Step 6: Extrude the outer sheath of the optical cable on the surface of the tank covered with water-blocking tape, and embed parallel FRP as the tensile element of the optical cable to complete the production of the entire winding large core count branch type skeleton type optoelectronic composite optical cable.
  7. 根据权利要求6所述的一种卷绕超大芯数分支型骨架式光电复合光缆的生产方法，其特征在于：所述步骤一中打孔设备的固定间距为3-5mm，骨架槽基体上孔的形状为圆形或方形。A production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 6, characterized in that: in the step one, the fixed spacing of the drilling equipment is 3-5mm, and the holes on the skeleton groove base are The shape is round or square.
  8. 根据权利要求6所述的一种卷绕超大芯数分支型骨架式光电复合光缆的生产方法，其特征在于：所述步骤六中外护层为PE，平行FRP为剥离纤维增强塑料。A production method for winding an ultra-large core count branch type skeleton type optoelectronic composite optical cable according to claim 6, characterized in that in step six, the outer sheath is PE and the parallel FRP is peeled fiber reinforced plastic.
PCT/CN2022/093776 2022-05-19 2022-05-19 Wound ultra-high-fiber-count branched slotted core optoelectronic composite optical cable and production method WO2023221027A1 (en)

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DE212022000147.8U DE212022000147U1 (en) 2022-05-19 2022-05-19 Branched skeletal winding type optoelectronic optical composite cable with extremely large number of cores

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2427150A1 (en) * 1974-06-05 1976-01-02 Ruthenberg Gmbh Waermetechnik Flat plastic strips carrying optical fibres - suitable for conveying optical signals, e.g. in automobiles
GB2157018A (en) * 1984-04-02 1985-10-16 Telephone Cables Ltd Optical fibre cables
US4952020A (en) * 1989-08-09 1990-08-28 Amp Incorporated Ribbon cable with optical fibers and electrical conductors
DE3917950C1 (en) * 1989-05-30 1990-10-31 Rauch, Bernhard, 1000 Berlin, De Fibre=optic cable protective conduit - contains several tubes of extruded plastics material connected by strips facing sheath
US5671313A (en) * 1994-01-12 1997-09-23 Siemens Aktiengesellschaft Optical cable and method for the manufacture thereof
US6321013B1 (en) * 1999-09-15 2001-11-20 Lucent Technologies, Inc. Stacks of optical fiber ribbons closely bound by respective buffer encasements, associated methods, and associated fiber optic cables
CN113196126A (en) * 2020-08-24 2021-07-30 常熟高通智能装备有限公司 Winding optical cable, cable and photoelectric composite cable

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2427150A1 (en) * 1974-06-05 1976-01-02 Ruthenberg Gmbh Waermetechnik Flat plastic strips carrying optical fibres - suitable for conveying optical signals, e.g. in automobiles
GB2157018A (en) * 1984-04-02 1985-10-16 Telephone Cables Ltd Optical fibre cables
DE3917950C1 (en) * 1989-05-30 1990-10-31 Rauch, Bernhard, 1000 Berlin, De Fibre=optic cable protective conduit - contains several tubes of extruded plastics material connected by strips facing sheath
US4952020A (en) * 1989-08-09 1990-08-28 Amp Incorporated Ribbon cable with optical fibers and electrical conductors
US5671313A (en) * 1994-01-12 1997-09-23 Siemens Aktiengesellschaft Optical cable and method for the manufacture thereof
US6321013B1 (en) * 1999-09-15 2001-11-20 Lucent Technologies, Inc. Stacks of optical fiber ribbons closely bound by respective buffer encasements, associated methods, and associated fiber optic cables
CN113196126A (en) * 2020-08-24 2021-07-30 常熟高通智能装备有限公司 Winding optical cable, cable and photoelectric composite cable

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