CN106433105A - Bending-resistant optical fiber composite power cable - Google Patents

Bending-resistant optical fiber composite power cable Download PDF

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Publication number
CN106433105A
CN106433105A CN201610498027.7A CN201610498027A CN106433105A CN 106433105 A CN106433105 A CN 106433105A CN 201610498027 A CN201610498027 A CN 201610498027A CN 106433105 A CN106433105 A CN 106433105A
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CN
China
Prior art keywords
layer
parts
power cable
composite power
fiber composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610498027.7A
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Chinese (zh)
Inventor
廉果
管新元
钱江伟
万育萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengtong Power Cable Co Ltd
Original Assignee
Jiangsu Hengtong Power Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Jiangsu Hengtong Power Cable Co Ltd filed Critical Jiangsu Hengtong Power Cable Co Ltd
Priority to CN201610498027.7A priority Critical patent/CN106433105A/en
Publication of CN106433105A publication Critical patent/CN106433105A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a bending-resistant optical fiber composite power cable. A hollow microtube of the cable consists of a tensile layer, an aramid fiber woven layer and a polyethylene layer, wherein the aramid fiber woven layer is located between the tensile layer and the polyethylene layer, the tensile layer is prepared from 100 parts of polyamide 6 resin, 36 parts of polyhexamethylene sebacamide, 12 parts of ethylene and norbornene copolymer, 3.5 parts of maleic anhydride grafted amorphous polyolefin, 1 part of N,N'-bis(beta-naphthyl) para-phenylene diamine, 0.8 part of bis(2,4-di-tert-butyl phenyl) pentaerythritol phosphite ester, 1.1 parts of polyethylene glycol and 0.8 part of acetic acid glyceride, the relative viscosity of the polyamide 6 resin is 2.5 or below, the density of the ethylene and norbornene copolymer is 1.01 +/- 0.01 g/cm<3>. The bending-resistant optical fiber composite power cable is beneficial to air blowing in the irregular and long hollow microtube, and the tensile strength of an optical fiber is improved significantly.

Description

Resist bending fiber composite power cable
Technical field
The present invention relates to a kind of composite power cable, more particularly, to a kind of resist bending fiber composite power cable.
Background technology
Common air-blown installation is all horizontal laying, is conveyed by mechanically-propelled device and air compressor air-flow, only Micro- cable level is blown into special default pipeline.But cable when for the Optical Fiber Composite cable of this blow arc-extinguishing mode, constructing, laying Tend not to horizontal positioned, the various situation such as poling, turning, pendency can be faced, before sometimes even requiring to lay on disk tool Directly air-blown installation.Cable completes air-blowing on cable hank, whole air-blown installation process, and the resistance that light unit is subject to is bigger, OK The direction entered, position all no regularity.Traditional air-blowing mode lays the requirement of optical fiber composite cable after cannot meeting light unit, So the subject matter laying optical fiber composite cable after light unit is exactly to solve light unit in big resistance, irregular, distance bar The air-blown installation of light unit how is solved the problems, such as, the requirement for air-blown installation also greatly improves under part.
Content of the invention
The present invention provides a kind of resist bending fiber composite power cable, and this resist bending fiber composite power cable both makes to hold The resistance being subject to greatly improves, and tensile strength significantly improves, and also reduces the optical fiber in air-blowing and, in the resistance of hollow micro-pipe, is conducive to Optical fiber during air-blowing in irregular, distance hollow micro-pipe.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of resist bending fiber composite power cable, bag Include：4 circular conductive units and 1 hollow micro-pipe, this conductor element from inside to outside includes conductor wire core successively, is coated on and leads The insulating barrier of electric wire core outer surface, a twining package tape is around being wrapped in 4 circular described conductive units and 1 described hollow micro-pipe appearance Face, described twining package tape outer surface is coated with an inner restrictive coating, and an armor is coated on inner restrictive coating outer surface, outside described armor Surface coating has an external sheath layer；It is filled with filling part between described conductive unit, hollow micro-pipe and twining package tape；
Described hollow micro-pipe is made up of tensile layer, aramid fiber braided layer and polyethylene layer, and described aramid fiber braided layer is located at Between tensile layer and polyethylene layer；
Described tensile layer is composed of the following components：100 parts of polyamide 6,36 parts of polyhexamethylene sebacamide, ethylene and norborneol 12 parts of alkene copolymer, maleic anhydride 3.5 parts of amorphous polyolefin of grafting, N, 1 part of N'- bis- (betanaphthyl) p-phenylenediamine, double (2,4- Di-tert-butyl-phenyl) 0.8 part of pentaerythritol diphosphites, 1.1 parts of Polyethylene Glycol, 0.8 part of acetin；
Described polyamide 6 relative viscosity is below 2.5；
Described ethylene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Described maleic anhydride grafting amorphous polyolefin is double by unformed polyolefin, maleic anhydride, lauroyl peroxide and ethylene Stearmide in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
Relevant content in technique scheme is explained as follows：
1st, in such scheme, the thickness of described tensile layer and polyethylene layer is than for 10：3~5.
2nd, in such scheme, described conductor wire core is formed by some copper wires are stranded.
3rd, in such scheme, described tensile layer, aramid fiber braided layer and polyethylene layer thickness are 1.2 ~ 1.8mm.
Because technique scheme is used, the present invention compared with prior art has following advantages：
Resist bending fiber composite power cable of the present invention, its hollow micro-pipe is by tensile layer, aramid fiber braided layer and polyethylene layer Composition, adopts polyamide 6, polyhexamethylene sebacamide, ethylene and norbornene copolymer, horse with the tensile layer of light contacts Maleic anhydride grafted amorphous polyolefin, N, N'- bis- (betanaphthyl) p-phenylenediamine, both so that the resistance bearing greatly improves, tension Intensity significantly improves, and also reduces the optical fiber in air-blowing and, in the resistance of hollow micro-pipe, is conducive to irregular, distance hollow Optical fiber during air-blowing in micro-pipe, overcomes common air-blown installation and is only suitable for parallel lay-up it is impossible to directly apply to resist bending optical fiber Composite power cable（Plastic micro bursts）, the air pressure of air compressor can be increased, final realization bending air-blown installation function； Secondly, its middle tensile layer adds double (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, Polyethylene Glycol, second further Acid glyceride, had both improve resist bending fiber composite power cable mechanical strength, bending property, improves again and compiles with aramid fiber Bonding force between tissue layer and polyethylene layer, it is to avoid in construction, lamination occurs.
Brief description
Accompanying drawing 1 is resist bending fiber composite power cable structural representation of the present invention；
Accompanying drawing 2 is hollow micro-tubular structure schematic diagram in resist bending fiber composite power cable of the present invention；
Accompanying drawing 3 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, conductive unit；2nd, hollow micro-pipe；21st, tensile layer；22nd, aramid fiber braided layer；23rd, poly- second Alkene layer；3rd, conductor wire core；4th, insulating barrier；5th, twining package tape；6th, inner restrictive coating；7th, armor；8th, external sheath layer；9th, filling part.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of resist bending fiber composite power cable, including：4 circular conductive units 1 and 1 hollow micro-pipe 2, This conductor element 1 from inside to outside includes conductor wire core 3 successively, is coated on the insulating barrier 4 of conductor wire core 3 outer surface, a twining package tape 5 Around being wrapped in 4 circular described conductive units 1 and 1 described hollow micro-pipe 2 outer surface, described twining package tape 5 outer surface is coated with One inner restrictive coating 6, an armor 7 is coated on inner restrictive coating 6 outer surface, and described armor 7 outer surface is coated with an external sheath layer 8；It is filled with filling part 9 between described conductive unit 1, hollow micro-pipe 2 and twining package tape 5；
Described hollow micro-pipe 2 is made up of tensile layer 21, aramid fiber braided layer 22 and polyethylene layer 23, described aramid fiber braiding Layer 22 is located between tensile layer 21 and polyethylene layer 23；
Described tensile layer 21 is composed of the following components：100 parts of polyamide 6,36 parts of polyhexamethylene sebacamide, ethylene and fall ice 12 parts of piece alkene copolymer, maleic anhydride grafting 3.5 parts of amorphous polyolefin, N, 1 part of N'- bis- (betanaphthyl) p-phenylenediamine, double (2, 4- di-tert-butyl-phenyl) 0.8 part of pentaerythritol diphosphites, 1.1 parts of Polyethylene Glycol, 0.8 part of acetin；
Above-mentioned polyamide 6 relative viscosity is below 2.5；
Above-mentioned ethylene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Above-mentioned maleic anhydride grafting amorphous polyolefin is double by unformed polyolefin, maleic anhydride, lauroyl peroxide and ethylene Stearmide in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
In embodiment 1 ~ 5 resist bending fiber composite power cable, hollow micro-pipe 2 performance is shown in Table 2：
Table 2
Described polyamide 6 relative viscosity is below 2.5；
Described ethylene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Described maleic anhydride grafting amorphous polyolefin by unformed polyolefin, maleic anhydride, lauroyl peroxide initiator and Ethylene bis stearamide lubricant in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 renders to double screw extruder is grafted Polymerization is obtained, and its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
The thickness of above-mentioned tensile layer 21 and polyethylene layer 23 is than for 10：3~5.
Above-mentioned conductor wire core is formed by some copper wires are stranded.
Above-mentioned tensile layer 21, aramid fiber braided layer 22 and polyethylene layer 23 thickness are 1.2 ~ 1.8mm.
During using above-mentioned resist bending fiber composite power cable, its hollow micro-pipe by tensile layer, aramid fiber braided layer and Polyethylene layer forms, and adopts polyamide 6, polyhexamethylene sebacamide, ethylene and norborene with the tensile layer of light contacts Copolymer, maleic anhydride grafting amorphous polyolefin, N, N'- bis- (betanaphthyl) p-phenylenediamine, both so that the resistance bearing significantly Improve, tensile strength significantly improves, also reduce the optical fiber in air-blowing and, in the resistance of hollow micro-pipe, be conducive to irregular, long In the hollow micro-pipe of distance, optical fiber during air-blowing, overcomes common air-blown installation and is only suitable for parallel lay-up it is impossible to directly apply to Resist bending fiber composite power cable（Plastic micro bursts）, the air pressure of air compressor can be increased, final realization bending gas Blow and lay function；Secondly, its middle tensile layer add further double (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, Polyethylene Glycol, acetin, had both improve resist bending fiber composite power cable mechanical strength, bending property, had improve again Bonding force and aramid fiber braided layer and polyethylene layer between, it is to avoid in construction, lamination occurs.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.

Claims (3)

1. a kind of resist bending fiber composite power cable it is characterised in that：Including：4 circular conductive units（1）With 1 sky Heart micro-pipe（2）, this conductor element（1）From inside to outside include conductor wire core successively（3）, be coated on conductor wire core（3）Outer surface Insulating barrier（4）, a twining package tape（5）Around being wrapped in 4 circular described conductive units（1）Hollow micro-pipe described with 1（2）Appearance Face, described twining package tape（5）Outer surface is coated with an inner restrictive coating（6）, an armor（7）It is coated on inner restrictive coating（6）Outer surface, Described armor（7）Outer surface is coated with an external sheath layer（8）；Described conductive unit（1）, hollow micro-pipe（2）With twining package tape（5） Between be filled with filling part（9）；
Described hollow micro-pipe（2）By tensile layer（21）, aramid fiber braided layer（22）And polyethylene layer（23）Composition, described aramid fiber Fiber braiding layer（22）Positioned at tensile layer（21）And polyethylene layer（23）Between；
Described tensile layer（21）Composed of the following components：100 parts of polyamide 6,36 parts of polyhexamethylene sebacamide, ethylene and fall 2 parts of bornylene copolymer 1, maleic anhydride 3.5 parts of amorphous polyolefin of grafting, N, 1 part of N'- bis- (betanaphthyl) p-phenylenediamine, double 0.8 part of (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, 1.1 parts of Polyethylene Glycol, 0.8 part of acetin；
Described ethylene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Described maleic anhydride grafting amorphous polyolefin is double by unformed polyolefin, maleic anhydride, lauroyl peroxide and ethylene Stearmide in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
2. resist bending fiber composite power cable according to claim 1 it is characterised in that：Described polyamide 6 phase To viscosity below 2.5.
3. resist bending fiber composite power cable according to claim 1 it is characterised in that：Described tensile layer（21）, virtue Synthetic fibre fiber braiding layer（22）And polyethylene layer（23）Thickness is 1.2 ~ 1.8mm.
CN201610498027.7A 2015-06-16 2015-06-16 Bending-resistant optical fiber composite power cable Pending CN106433105A (en)

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CN201510333574.5A CN105023639B (en) 2015-06-16 2015-06-16 Intelligent optical fiber composite cable with optical unit laid later
CN201610498027.7A CN106433105A (en) 2015-06-16 2015-06-16 Bending-resistant optical fiber composite power cable

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CN203082393U (en) * 2012-10-08 2013-07-24 孟庆义 Flexible compound oil pipe
CN203465978U (en) * 2013-08-26 2014-03-05 国家电网公司 Photoelectric composite power cable for intelligent power grid
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CN105023639A (en) 2015-11-04

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Application publication date: 20170222