CN103487906A - Manufacturing method of small-sized multi-core full-dry-type introduced optical cable - Google Patents
Manufacturing method of small-sized multi-core full-dry-type introduced optical cable Download PDFInfo
- Publication number
- CN103487906A CN103487906A CN201310449779.0A CN201310449779A CN103487906A CN 103487906 A CN103487906 A CN 103487906A CN 201310449779 A CN201310449779 A CN 201310449779A CN 103487906 A CN103487906 A CN 103487906A
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- Prior art keywords
- multicore
- optical cable
- inner sheath
- aramid fiber
- dry
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 title abstract description 33
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 8
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 12
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 abstract description 9
- 239000004760 aramid Substances 0.000 abstract description 8
- 238000009792 diffusion process Methods 0.000 abstract description 5
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 abstract 2
- 238000003825 pressing Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000002674 ointment Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 229920000914 Metallic fiber Polymers 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 241000272165 Charadriidae Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- -1 aluminium-polyethylene Chemical group 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention discloses a manufacturing method of a small-sized multi-core full-dry-type introduced optical cable. The small-sized multi-core full-dry-type introduced optical cable comprises an outer sheath and an inner sheath, wherein aramid fibers are arranged on the inner side wall and the outer side wall of the inner sheath respectively, and multi-core micro-beam tubes are arranged in the inner sheath, and are arranged among the aramid fibers. The manufacturing method of the small-sized multi-core full-dry-type introduced optical cable comprises the steps that (1) a layer of aramid fibers is added to the positions among the multi-core micro-beam tubes in a reinforced mode, a rip cord is embedded into the aramid fibers in a parallel mode, (2) the inner sheath is arranged at the periphery of the multi-core micro-beam tubes in a pressing wrapping mode, (3) a layer of aramid fibers is added to the periphery of the inner sheath in a reinforced mode, a rip cord is embedded into the aramid fibers of the step (3) in a parallel mode, and (4) the outer sheath is arranged at the periphery of the aramid fibers of the step (3) in a pressing wrapping mode, and two pieces of resin fiber reinforced plastic are embedded into the outer sheath in a parallel mode. The manufacturing method of the small-sized multi-core full-dry-type introduced optical cable is simple; due to the fact that double sheaths are adopted, the mechanical property of the small-sized multi-core full-dry-type introduced optical cable is effectively ensured; due to the fact that the mode that the multi-core micro-beam tubes are used for protecting optical fibers, and water resistance yarn is used for resisting water is adopted, permeation and diffusion of moisture are effectively prevented, and reliability of an optical cable line is improved.
Description
Technical field
The present invention relates to a kind of optical cable and manufacture method thereof, particularly a kind of miniaturization multicore dry type leading in cable and manufacture method thereof.
Background technology
Along with the development of optical communication, increasing optical cable is applied in optical transport network, for signal transmits convenience is provided more efficiently.But along with the increase of fiber cable laying amount, in zone, free space reduces gradually simultaneously, and the optical cable that can adapt to multiple applied environment in laying future will be favored by each user.Adopt microbeam pipe and dry type stop water.The employing of microbeam pipe can reduce the volume of optical cable, alleviates the weight of optical cable, reduces the difficulty of laying with safeguarding of optical cable, reduces construction cost, can increase the quantity of fibre core in unit area simultaneously, makes the compact conformation of optical cable; The use of the material such as water blocking yarn, water resistance aramid fiber can avoid traditional ointment to be filled in the inconvenience brought in handshaking procedure, and dry type material water-proof material and optical fiber, each assembly of optical cable have better compatibility.Nonmetal strengthening core can make optical cable be effective to the frequent place with there being interference current of thunder and lightning.Current outdoor optical cable; general structure is that single mode or multimode optical fiber are inserted in the interior filling waterproofing compound pine sleeve pipe that high-modulus plastic makes; the cable core center is a metal reinforcement; pine sleeve pipe (and gasket for packing) is twisted into the cable core of compact and rounding around central reinforce member; in cable core, the compound that blocks water is filled in gap, extrudes the laminated aluminium-polyethylene sheath stranding outward.This type of optical cable easily is struck by lightning owing to recruiting, size is large, weight reaches greatly the shortcomings such as loaded down with trivial details is installed, and gradually becomes optical cable and introduces the helpless choosing of laying.
Summary of the invention
For the deficiency existed on prior art, the invention provides a kind of method simple, effectively guaranteed its mechanical property, environmental resistance; Adopt microbeam protection of pipe optical fiber, the mode that blocks water of water blocking yarn, effectively stop infiltration and the diffusion of moisture, improved miniaturization multicore dry type leading in cable and the manufacture method thereof of lightguide cable link reliability.
To achieve these goals, the present invention realizes by the following technical solutions:
Miniaturization multicore dry type leading in cable comprises oversheath and is coated on the inner sheath in oversheath that the interior lateral wall of described inner sheath is equipped with aramid fiber, is provided with multicore microbeam pipe in inner sheath, and multicore microbeam pipe is arranged in aramid fiber; Be provided with in aramid fiber and tear rope; Be provided with resin fibre reinforced plastic in oversheath.
The manufacture method of miniaturization multicore dry type leading in cable of the present invention comprises following step:
(1) strengthen one deck aramid fiber between some multicore microbeam pipes, and rope is torn in one of parallel embedding in described aramid fiber;
(2) extrude one deck inner sheath in the periphery of some described multicore microbeam pipes;
(3) strengthen one deck aramid fiber in the periphery of described inner sheath, and in the aramid fiber in this step, rope is torn in one of parallel embedding;
(4) then, in the periphery of aramid fiber described in step (3), extrude one deck oversheath, and in described oversheath two resin fibre reinforced plastic of parallel embedding.
Above-mentioned oversheath is high-density polyethylene layer.
Above-mentioned multicore microbeam pipe contains water blocking yarn.
Adopt the manufacture method of the miniaturization multicore dry type leading in cable of technique scheme, method is simple, because the interior lateral wall of described inner sheath is equipped with aramid fiber, be provided with multicore microbeam pipe in inner sheath, multicore microbeam pipe is arranged in aramid fiber, so employing duplex sheath, effectively guaranteed its mechanical property (stretch-proof, flatten, impact etc.), environmental resistance (waterproof, moistureproof, high low temperature etc.) etc., adopt microbeam protection of pipe optical fiber, the mode that blocks water of water blocking yarn, effectively stop infiltration and the diffusion of moisture, and better with the other materials compatibility, can remove the work of cable connection Cleaning Process ointment from, improved the reliability of lightguide cable link.Owing in described aramid fiber, being provided with and tearing rope, so intensity strengthens greatly.Owing to being provided with resin fibre reinforced plastic in described oversheath, so intensity is more strengthened.Because described oversheath is high-density polyethylene layer, so firmly.Because described multicore microbeam pipe contains water blocking yarn, so effectively stop infiltration and the diffusion of moisture, further improve the reliability of lightguide cable link.
The accompanying drawing explanation
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
The structural representation that Fig. 1 is miniaturization multicore dry type leading in cable of the present invention.
The manufacture method process flow diagram that Fig. 2 is miniaturization multicore dry type leading in cable of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
As shown in Figures 1 and 2, a kind of miniaturization multicore dry type leading in cable, comprise oversheath 5 and be coated on the inner sheath 2 in oversheath 5, the interior lateral wall of inner sheath 2 is equipped with aramid fiber 3, is provided with multicore microbeam pipe 1 in inner sheath 2, and multicore microbeam pipe 1 is arranged in aramid fiber 3, be provided with in aramid fiber 3 and tear rope 6, be provided with resin fibre reinforced plastic 4 in oversheath 5, oversheath 5 is high-density polyethylene layer, and multicore microbeam pipe 1 contains water blocking yarn.
The manufacture method of miniaturization multicore dry type leading in cable of the present invention comprises following step:
(1) strengthen one deck aramid fiber between some multicore microbeam pipes, and rope is torn in one of parallel embedding in described aramid fiber;
(2) extrude one deck inner sheath in the periphery of some described multicore microbeam pipes;
(3) strengthen one deck aramid fiber in the periphery of described inner sheath, and in the aramid fiber in this step, rope is torn in one of parallel embedding;
(4) then, in the periphery of aramid fiber described in step (3), extrude one deck oversheath, and in described oversheath two resin fibre reinforced plastic of parallel embedding.
Miniaturization multicore dry type leading in cable of the present invention, the employing dry type blocks water, full dielectric structure, and employing duplex sheath, its mechanical property (stretch-proof, flattening, impact etc.), environmental resistance (waterproof, protection against the tide, high low temperature etc.) etc. have effectively been guaranteed, and through the test optical cable can meet anti-bite sting and with the clashing of gunslinging homenergic, so its etc. can be used for the multiple occasions such as pipeline, built on stilts, direct-burried, for optical transport network provides multiple wire laying mode flexibly.Can meet the requirement of outdoor bad border and indoor vertical section construction, can be widely used in core net, Access Network and Fiber to the home, be applicable to the multiple system of layings such as pipeline, built on stilts, direct-burried.For meeting the large core number of small size, and avoid ointment to fill the negative effect to construction and environment, adopt microbeam protection of pipe optical fiber, the mode that blocks water of water blocking yarn.For guaranteeing the full medium of optical cable, with high-modulus aramid fiber alternative metals armouring, for optical cable bears stretching and the flattening in the construction operational process, reduce fiber stress simultaneously, adopt two jacket structures.The outdoor optical cable environment for use is relatively severe, for meeting blocking water, cracking resistance, uvioresistant requirement, adopts the PE sheath, but easily shrink in the unsupported situation of PE sheath, have a strong impact on the signal transmission, therefore in oversheath, two FRP of parallel embedding, with support sleeve, avoid shrinking.
Miniaturization multicore dry type leading in cable of the present invention, multicore microbeam pipe (containing water blocking yarn), non-metallic fibers reinforcement and material water-proof material, fire retardant polyolefin inner sheath, non-metallic fibers reinforcement and material water-proof material, outer protective polyethylene cover (two FRP of parallel embedding), the non-metallic fibers reinforcement material is generally selected aramid yarn, high-modulus PE etc.Adopt the dry type water blocking yarn to block water, water blocking yarn is good and cheap, can expand rapidly while meeting water and form the decades of times that the very large jelly water absorbing capacity of volume can reach own vol, effectively stop infiltration and the diffusion of moisture, and better with the other materials compatibility, can remove the work of cable connection Cleaning Process ointment from.Size is little, the core number is large, lightweight, larger saving space and the transportation construction cost.Multiple-limb can separate subelement as required at the tapping point of network, and the tap place does not need to carry out the cutover of whole optical cable, has reduced fiber cable joint, constructs more convenient, and the line fault incidence of optical cable greatly reduces, and has improved the reliability of lightguide cable link.Full medium nonmetal structure, thunderstruck danger while preventing indoor introducing, thus when avoiding the oversheath breakage, metal level gets rusty and reduces optical cable serviceable life simultaneously.The optical fiber of tight sleeve optic cable is bound in tight cover covering, and the linear expansion coefficient difference of optical fiber and tight this bi-material of cover covering is very large, so optical fiber can cause strain because of the telescopic variation of tight sleeve layer under low temperature or high-temperature condition, and then the problems such as decay is bigger than normal, impact communication in the time of serious appears.Optical cable and optical fibres is that bale breaking is in the microbeam pipe, so there is not this problem.Full-dry optical cable can directly be introduced family by the outdoor optical cable distribution point, and environment in the middle of reducing, reduces engineering cost etc. at the accelerating network construction period.
Above demonstration and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a miniaturization multicore dry type leading in cable, comprise oversheath and be coated on the inner sheath in oversheath, it is characterized in that: the interior lateral wall of described inner sheath is equipped with aramid fiber, is provided with multicore microbeam pipe in inner sheath, and multicore microbeam pipe is arranged in aramid fiber;
Be provided with and tear rope in described aramid fiber;
Be provided with resin fibre reinforced plastic in described oversheath.
2. the manufacture method of miniaturization multicore dry type leading in cable according to claim 1, is characterized in that, comprises following step:
(1) strengthen one deck aramid fiber between some multicore microbeam pipes, and rope is torn in one of parallel embedding in described aramid fiber;
(2) extrude one deck inner sheath in the periphery of some described multicore microbeam pipes;
(3) strengthen one deck aramid fiber in the periphery of described inner sheath, and in the aramid fiber in this step, rope is torn in one of parallel embedding;
(4) then, in the periphery of aramid fiber described in step (3), extrude one deck oversheath, and in described oversheath two resin fibre reinforced plastic of parallel embedding.
3. the manufacture method of miniaturization multicore dry type leading in cable according to claim 2, is characterized in that, described oversheath is high-density polyethylene layer.
4. the manufacture method of miniaturization multicore dry type leading in cable according to claim 2, is characterized in that, described multicore microbeam pipe contains water blocking yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449779.0A CN103487906A (en) | 2013-09-27 | 2013-09-27 | Manufacturing method of small-sized multi-core full-dry-type introduced optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310449779.0A CN103487906A (en) | 2013-09-27 | 2013-09-27 | Manufacturing method of small-sized multi-core full-dry-type introduced optical cable |
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| Publication Number | Publication Date |
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| CN103487906A true CN103487906A (en) | 2014-01-01 |
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| CN201310449779.0A Pending CN103487906A (en) | 2013-09-27 | 2013-09-27 | Manufacturing method of small-sized multi-core full-dry-type introduced optical cable |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941360A (en) * | 2014-03-27 | 2014-07-23 | 江苏通鼎光电股份有限公司 | Novel pipeline optical cable |
| CN105353483A (en) * | 2015-12-16 | 2016-02-24 | 南京华信藤仓光通信有限公司 | Full-dry nonmetal optical cable |
| CN106094141A (en) * | 2016-08-23 | 2016-11-09 | 深圳市特发信息光网科技股份有限公司 | A kind of dry type blocks water easy stripping multicore microbeam pipe series optical cable |
| CN107065094A (en) * | 2017-03-15 | 2017-08-18 | 烽火通信科技股份有限公司 | A kind of access network and house wiring optical fiber cable |
| CN107329223A (en) * | 2017-09-04 | 2017-11-07 | 江苏亨通光电股份有限公司 | Full-dry optical cable and its system |
| CN108646368A (en) * | 2018-07-12 | 2018-10-12 | 江苏亨通光电股份有限公司 | All dielectric self-supporting microbeam pipe ADSS optical cables |
| WO2018196886A1 (en) * | 2017-04-26 | 2018-11-01 | 衡东光通讯技术（深圳）有限公司 | Optical cable and optical fiber system |
| CN108873213A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of nonmetallic relief cable |
| CN108873215A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of pencil armored optical cable |
| CN108957658A (en) * | 2018-07-18 | 2018-12-07 | 宁波格亿达光缆科技有限公司 | Easily stripped optical cable and preparation method thereof based on Module microbeam pipe unit |
| WO2021036110A1 (en) * | 2019-08-30 | 2021-03-04 | 江苏中天科技股份有限公司 | Easy-to-peel dry optical fiber microtube and full-dry microbeam optical cable |
| CN113625408A (en) * | 2021-09-07 | 2021-11-09 | 江苏亨通光电股份有限公司 | Optical cable |
| CN114415302A (en) * | 2022-01-26 | 2022-04-29 | 江苏亨通光电股份有限公司 | A compact optical cable |
| CN115343817A (en) * | 2022-08-30 | 2022-11-15 | 江苏中天科技股份有限公司 | Rated breaking force overhead micro-beam optical cable and manufacturing process thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941360A (en) * | 2014-03-27 | 2014-07-23 | 江苏通鼎光电股份有限公司 | Novel pipeline optical cable |
| CN105353483A (en) * | 2015-12-16 | 2016-02-24 | 南京华信藤仓光通信有限公司 | Full-dry nonmetal optical cable |
| CN106094141A (en) * | 2016-08-23 | 2016-11-09 | 深圳市特发信息光网科技股份有限公司 | A kind of dry type blocks water easy stripping multicore microbeam pipe series optical cable |
| CN107065094A (en) * | 2017-03-15 | 2017-08-18 | 烽火通信科技股份有限公司 | A kind of access network and house wiring optical fiber cable |
| CN107065094B (en) * | 2017-03-15 | 2019-09-17 | 烽火通信科技股份有限公司 | A kind of access net and house wiring optical fiber cable |
| WO2018196886A1 (en) * | 2017-04-26 | 2018-11-01 | 衡东光通讯技术（深圳）有限公司 | Optical cable and optical fiber system |
| CN107329223B (en) * | 2017-09-04 | 2020-04-24 | 江苏亨通光电股份有限公司 | Full-dry optical cable and system thereof |
| CN107329223A (en) * | 2017-09-04 | 2017-11-07 | 江苏亨通光电股份有限公司 | Full-dry optical cable and its system |
| CN108646368A (en) * | 2018-07-12 | 2018-10-12 | 江苏亨通光电股份有限公司 | All dielectric self-supporting microbeam pipe ADSS optical cables |
| CN108646368B (en) * | 2018-07-12 | 2024-05-31 | 江苏亨通光电股份有限公司 | All-dielectric self-supporting type microbeam tube ADSS optical cable |
| CN108957658A (en) * | 2018-07-18 | 2018-12-07 | 宁波格亿达光缆科技有限公司 | Easily stripped optical cable and preparation method thereof based on Module microbeam pipe unit |
| CN108873215A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of pencil armored optical cable |
| CN108873213A (en) * | 2018-08-31 | 2018-11-23 | 铜陵市铜都特种线缆有限公司 | A kind of nonmetallic relief cable |
| WO2021036110A1 (en) * | 2019-08-30 | 2021-03-04 | 江苏中天科技股份有限公司 | Easy-to-peel dry optical fiber microtube and full-dry microbeam optical cable |
| CN113625408A (en) * | 2021-09-07 | 2021-11-09 | 江苏亨通光电股份有限公司 | Optical cable |
| CN114415302A (en) * | 2022-01-26 | 2022-04-29 | 江苏亨通光电股份有限公司 | A compact optical cable |
| CN115343817A (en) * | 2022-08-30 | 2022-11-15 | 江苏中天科技股份有限公司 | Rated breaking force overhead micro-beam optical cable and manufacturing process thereof |
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Application publication date: 20140101 |