CN108761683A - A kind of outdoor optical cable with excellent anti-electromagnetic performance - Google Patents
A kind of outdoor optical cable with excellent anti-electromagnetic performance Download PDFInfo
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- CN108761683A CN108761683A CN201810553534.5A CN201810553534A CN108761683A CN 108761683 A CN108761683 A CN 108761683A CN 201810553534 A CN201810553534 A CN 201810553534A CN 108761683 A CN108761683 A CN 108761683A
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- layer
- optical cable
- electromagnetic performance
- outdoor optical
- periphery
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a kind of outdoor optical cables with excellent anti-electromagnetic performance; reinforce steel wire including center; reinforce several cable cores on the outside of steel wire around center; the periphery of cable core is arranged with Loose tube; fiber paste is filled in Loose tube; the outside of Loose tube is equipped with water blocking layer, and the outside of water blocking layer is equipped with inner insulating layer, shielded layer, braiding layer, the first protective layer successively；The periphery of first protective layer is wound with zinc-coated wire, and the periphery of zinc-coated wire is coated with the second protective layer；The material of inner insulating layer is one or more combinations in modified glass-fiber, polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber, polyimides；Shielded layer uses composite shielding material, composite shielding material to be made of the graphite matrix of 50-60% and the metal of 40-50%.The outdoor optical cable of the present invention improves water proofing property and anti-electromagnetic performance compared with traditional outdoor optical cable, even if after having adsorbed a large amount of moisture content or oil water mixture, still maintaining good anti-electromagnetic performance.
Description
Technical field
The present invention relates to optical fiber cable technical fields, and in particular to a kind of outdoor optical cable with excellent anti-electromagnetic performance.
Background technology
With the continuous social and economic development, optical communication technique extensive use, communications optical cable especially outdoor optical cable obtain
It is widely applied.Outdoor optical cable is subjected to the test exposed to the sun and rain with extreme weather throughout the year, around there is highfield.Existing outdoor
The construction of cable, in cable core outer wrapping steel bushing or pe sheath, is lacked there are following using reinforcer centered on steel wire mostly
Point：Phosphating steel wire or steel aluminium strip aoxidize and optical fiber are made to cause optical cable transmission loss to be significantly increased by hydrogen loss；Long-term solarization rain
Leaching is so that steel wire corrosion, pe sheath water suction oil suction expansion, the water resistance and electrical isolation of optical cable, the performance of anti-electromagnetic shielding
It substantially reduces.
The Chinese invention patent of application number 201010122474.5 discloses a kind of anti-electromagnetic field powerful optical cable, by
Periphery the first protective jacket of cladding of Loose tube, protective jacket periphery wind zinc-coated wire, and zinc-coated wire periphery coats the second protective case,
So that optical cable has good weatherability, temperature tolerance and tensile strength, impact strength, but the first protective jacket and second protects
After being sleeved on oxidation or water suction, the water resistance of optical cable and anti-electromagnetic performance can be substantially reduced, is required further improvement.
Invention content
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of rooms with excellent anti-electromagnetic performance
Outer optical cable, by the way that water blocking layer is arranged on the outside of Loose tube, and it is common to the common glass fiber material of insulating layer and shielded layer
Graphite material is improved, and water proofing property and anti-electromagnetic performance are improved compared with traditional outdoor optical cable, even if having adsorbed a large amount of
Moisture content or oil water mixture after, still maintain good anti-electromagnetic performance.
The purpose of the present invention can be achieved through the following technical solutions：
The present invention provides a kind of outdoor optical cables with excellent anti-electromagnetic performance, including center to reinforce steel wire, in
The heart reinforces several cable cores on the outside of steel wire, and the periphery of cable core is arranged with Loose tube, and fiber paste, the pine set are filled in Loose tube
The outside of pipe is equipped with water blocking layer, and the outside of water blocking layer is equipped with inner insulating layer, shielded layer, braiding layer, the first protective layer successively；First
The periphery of protective layer is wound with zinc-coated wire, and the periphery of zinc-coated wire is coated with the second protective layer；
The material of the inner insulating layer is in modified glass-fiber, polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber, polyimides
One or more combinations；
The shielded layer uses composite shielding material, composite shielding material by 50-60% graphite matrix and 40-50%
Metal forms.
As a further solution of the present invention, the material of first protective layer and the second protective layer is poly- for black high density
Ethylene, density 0.95-0.96g/cm3, elongation at break >=760%.
As a further solution of the present invention, the modified glass-fiber is prepared by the raw material of following parts by weight：Glass
60-80 parts of glass fiber, 5-12 parts of methacrylic acid samarium, 10-20 parts of methyl methacrylate, 5-12 parts of glycerine, 1,4- diaminos
1-3 parts of basic ring hexylamine, 0.2-0.5 parts of silane resin acceptor kh-550.
As a further solution of the present invention, the periphery of the Loose tube is equipped with spiral waterstop.
As a further solution of the present invention, the water blocking layer use non-conductive polyester belt, thickness be 0.25 ±
0.03mm。
As a further solution of the present invention, the metal is Pb-Cd alloys, Pb-Cd-Sb alloys, Pb-Cd-Sn conjunctions
The combination of one or more of gold, Pb-Cd-Bi alloys.
Beneficial effects of the present invention：
1, the outdoor optical cable with excellent anti-electromagnetic performance of the invention, by the way that water blocking layer is arranged on the outside of Loose tube, and
The common glass fiber material of insulating layer and the common graphite material of shielded layer are improved, changed using excellent insulating materials
Property glass fibre, polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber are as insulating layer, using the composite materials of graphite matrix and metal
As shielded layer, water proofing property and anti-electromagnetic performance are improved compared with traditional outdoor optical cable, even if having adsorbed a large amount of moisture content
Or after oil water mixture, good anti-electromagnetic performance is still maintained.
2, black high density polyethylene (HDPE) uses based on high density polyethylene (HDPE), is added supplemented by linear low density polyethylene other
Auxiliary material is refined to be formed, and has excellent weatherability, toughness, wearability and extremely excellent environmental stress crack resistance and resistance to petroleum jelly
Property, manufactured first protective layer and the second protective layer have good tensile strength and wearability.
3, composite shielding material is formed using graphite matrix and metal extrusion casint, is realized between graphite and metal
Good interface combines so that the shielding material has consistency high, heat-resist, has excellent shielding properties and mechanical property
Can, improve the anti-capability of electromagnetic shielding of outdoor optical cable.
4, modified glass-fiber uses common glass fibre as main component and methacrylic acid samarium, metering system
Sour methyl esters, Isosorbide-5-Nitrae-diamino cyclohexylamine, silane resin acceptor kh-550 multiple auxiliary materials compound, and are electrically insulated, resist with excellent
Electromagnetic radiation performance.
5, spiral waterstop increases the contact area with grease, water swelling when water blocking layer infiltrates through grease
After avoid moisture content and oil water mixture is entered by Loose tube outside cable core.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram for the outdoor optical cable that the present invention has excellent anti-electromagnetic performance.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
Refering to Figure 1, steel wire 1 is reinforced at a kind of outdoor optical cable with excellent anti-electromagnetic performance, including center, it surround
Several cable cores 2 in 1 outside of steel wire are reinforced at center, and the periphery of cable core 2 is arranged with Loose tube 3, fiber paste 4 is filled in Loose tube 3.
The outside of Loose tube 3 is equipped with water blocking layer 5, and it is 0.25 ± 0.03mm that water blocking layer, which uses non-conductive polyester belt, thickness,.Water blocking layer 5
Outside successively be equipped with inner insulating layer 6, shielded layer 7, braiding layer 8, the first protective layer 9.The periphery of first protective layer 9 is wound with plating
The periphery of zinc steel wire 10, zinc-coated wire 10 is coated with the second protective layer 11.The periphery of Loose tube 3 is equipped with spiral waterstop
12.By the way that water blocking layer 5 is arranged in 3 outside of Loose tube, and shielded to preparing 6 common glass fiber material of inner insulating layer and preparing
7 common graphite material of layer are improved, using excellent insulating materials modified glass-fiber, polytetrafluoroethylene (PTFE), crosslinking second third
Rubber is as insulating layer, using the composite materials of graphite matrix and metal as shielded layer, with traditional outdoor optical cable phase
Than improving water proofing property and anti-electromagnetic performance, even if after having adsorbed a large amount of moisture content or oil water mixture, still maintaining good
Anti- electromagnetic performance.
The material of inner insulating layer 6 is one in modified glass-fiber, polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber, polyimides
Kind or a variety of combinations.Modified glass-fiber is prepared by the raw material of following parts by weight：60-80 parts of glass fibre, methyl-prop
5-12 parts of olefin(e) acid samarium, 10-20 parts of methyl methacrylate, 5-12 parts of glycerine, 1-3 parts of 1,4- diamino cyclohexylamine, silane are even
Join 0.2-0.5 parts of agent KH-550.Modified glass-fiber is using common glass fibre as main component and methacrylic acid
Samarium, methyl methacrylate, Isosorbide-5-Nitrae-diamino cyclohexylamine, silane resin acceptor kh-550 multiple auxiliary materials compound, and have excellent
Electrical isolation, anti-electromagnetic-radiation performance.
Shielded layer 7 uses composite shielding material, and composite shielding material is by the graphite matrix of 50-60% and the lead of 40-50%
Composition of alloy.Wherein, metal is one in Pb-Cd alloys, Pb-Cd-Sb alloys, Pb-Cd-Sn alloys, Pb-Cd-Bi alloys
Kind or several combinations.Composite shielding material is formed using graphite matrix with metal extrusion casint, is realized graphite and is closed with lead
Good interface between gold combines so that the shielding material has consistency high, heat-resist, has excellent shielding properties and power
Performance is learned, the anti-capability of electromagnetic shielding of outdoor optical cable is improved.
The material of first protective layer 9 and the second protective layer 11 is black high density polyethylene (HDPE), density 0.95-0.96g/
cm3, elongation at break >=760%.Black high density polyethylene (HDPE) uses based on high density polyethylene (HDPE), and linear low density polyethylene is
It is auxiliary to add that other auxiliary materials are refined to be formed, there is excellent weatherability, toughness, wearability and extremely excellent environmental stress crack resistance
With resistance to petroleum jelly, 9 and second protective layer 11 of manufactured first protective layer has good tensile strength and wearability.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the present invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (6)
1. steel wire is reinforced at a kind of outdoor optical cable with excellent anti-electromagnetic performance, including center, reinforce on the outside of steel wire around center
Several cable cores, the periphery of cable core is arranged with Loose tube, is filled with fiber paste in Loose tube, which is characterized in that the Loose tube
Outside be equipped with water blocking layer, the outside of water blocking layer is equipped with inner insulating layer, shielded layer, braiding layer, the first protective layer successively；First protects
The periphery of sheath is wound with zinc-coated wire, and the periphery of zinc-coated wire is coated with the second protective layer；
The material of the inner insulating layer is one kind in modified glass-fiber, polytetrafluoroethylene (PTFE), coupling ethylene propylene rubber, polyimides
Or a variety of combination；
The shielded layer uses composite shielding material, composite shielding material to be closed by the graphite matrix of 50-60% and the lead of 40-50%
Gold composition.
2. the outdoor optical cable according to claim 1 with excellent anti-electromagnetic performance, which is characterized in that first protection
The material of layer and the second protective layer is black high density polyethylene (HDPE), density 0.95-0.96g/cm3, elongation at break >=
760%.
3. the outdoor optical cable according to claim 1 with excellent anti-electromagnetic performance, which is characterized in that the modified glass
Fiber is prepared by the raw material of following parts by weight：60-80 parts of glass fibre, 5-12 parts of methacrylic acid samarium, methacrylic acid
10-20 parts of methyl esters, 5-12 parts of glycerine, 1-3 parts of 1,4- diamino cyclohexylamine, 0.2-0.5 parts of silane resin acceptor kh-550.
4. the outdoor optical cable according to claim 1 with excellent anti-electromagnetic performance, which is characterized in that the Loose tube
Periphery is equipped with spiral waterstop.
5. the outdoor optical cable according to claim 1 with excellent anti-electromagnetic performance, which is characterized in that the water blocking layer is adopted
With non-conductive polyester belt, thickness is 0.25 ± 0.03mm.
6. the outdoor optical cable according to claim 1 with excellent anti-electromagnetic performance, which is characterized in that the metal is
The combination of one or more of Pb-Cd alloys, Pb-Cd-Sb alloys, Pb-Cd-Sn alloys, Pb-Cd-Bi alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553534.5A CN108761683A (en) | 2018-05-31 | 2018-05-31 | A kind of outdoor optical cable with excellent anti-electromagnetic performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553534.5A CN108761683A (en) | 2018-05-31 | 2018-05-31 | A kind of outdoor optical cable with excellent anti-electromagnetic performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108761683A true CN108761683A (en) | 2018-11-06 |
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ID=64001722
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553534.5A Pending CN108761683A (en) | 2018-05-31 | 2018-05-31 | A kind of outdoor optical cable with excellent anti-electromagnetic performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552680A (en) * | 2021-07-19 | 2021-10-26 | 江苏万华通信科技有限公司 | A compression-resistant armored stranded optical cable with anti-electromagnetic interference performance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881359A (en) * | 2012-09-28 | 2013-01-16 | 浙江汉维通信器材有限公司 | Photoelectric composite cable for reservoirs |
| US20150205063A1 (en) * | 2012-09-26 | 2015-07-23 | Corning Optical Communications LLC | Binder film for a fiber optic cable |
| CN105924568A (en) * | 2016-05-04 | 2016-09-07 | 刘高志 | Novel glass material resistant to electromagnetic radiation |
| CN205645386U (en) * | 2016-05-13 | 2016-10-12 | 天诺光电材料股份有限公司 | Anti -electromagnetic interference shields cable |
| CN107767979A (en) * | 2017-09-28 | 2018-03-06 | 哈尔滨工业大学 | A kind of composite shielding material and preparation method thereof |
-
2018
- 2018-05-31 CN CN201810553534.5A patent/CN108761683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150205063A1 (en) * | 2012-09-26 | 2015-07-23 | Corning Optical Communications LLC | Binder film for a fiber optic cable |
| CN102881359A (en) * | 2012-09-28 | 2013-01-16 | 浙江汉维通信器材有限公司 | Photoelectric composite cable for reservoirs |
| CN105924568A (en) * | 2016-05-04 | 2016-09-07 | 刘高志 | Novel glass material resistant to electromagnetic radiation |
| CN205645386U (en) * | 2016-05-13 | 2016-10-12 | 天诺光电材料股份有限公司 | Anti -electromagnetic interference shields cable |
| CN107767979A (en) * | 2017-09-28 | 2018-03-06 | 哈尔滨工业大学 | A kind of composite shielding material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552680A (en) * | 2021-07-19 | 2021-10-26 | 江苏万华通信科技有限公司 | A compression-resistant armored stranded optical cable with anti-electromagnetic interference performance |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200810 Address after: Room 1-2302, Fengshang International Apartment, 727 Changjiang West Road, Hefei High-tech Zone, Anhui Province Applicant after: ANHUI WEISHIYANG INFORMATION TECHNOLOGY Co.,Ltd. Address before: 230011 No. 201, Langxi Road, Yaohai District, Anhui, Hefei Applicant before: ANHUI TELECOM DEVICE TRADE INDUSTRY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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