CN107068249A - High current-carrying capacity electric power overhead wire - Google Patents

High current-carrying capacity electric power overhead wire Download PDF

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Publication number
CN107068249A
CN107068249A CN201611026400.5A CN201611026400A CN107068249A CN 107068249 A CN107068249 A CN 107068249A CN 201611026400 A CN201611026400 A CN 201611026400A CN 107068249 A CN107068249 A CN 107068249A
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China
Prior art keywords
parts
aluminium
carbon fiber
single line
stranded
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Pending
Application number
CN201611026400.5A
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Chinese (zh)
Inventor
赵雪峰
李名珍
王婧婧
张建兵
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Jiangsu Hengtong Electric Power Special Wire Co Ltd
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Jiangsu Hengtong Electric Power Special Wire Co Ltd
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Application filed by Jiangsu Hengtong Electric Power Special Wire Co Ltd filed Critical Jiangsu Hengtong Electric Power Special Wire Co Ltd
Priority to CN201611026400.5A priority Critical patent/CN107068249A/en
Publication of CN107068249A publication Critical patent/CN107068249A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • 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
    • 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
    • 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
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/008—Power cables for overhead application
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients

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  • Non-Insulated Conductors (AREA)

Abstract

The present invention disclose a kind of high current-carrying capacity electric power overhead wire, and its aluminium conductor clad is that " Z " font aluminium alloy conductor of " Z " font stranded is formed by 19 ~ 21 sections；The stress unit includes being located at the first carbon fiber single line at center and stranded in the second carbon fiber single line of the first carbon fiber single line outer surface 6；The first carbon fiber single line, the second carbon fiber single line are formed by some carbon fibre precursors are stranded；Polyester gluing filling part is mixed by the first component with the second component, and the first component is made up of the raw material of following weight parts：The unsaturated polyester (UP)s of N 307, butyl acrylate, Isooctyl acrylate monomer, n-butanol, toluene, talcum powder, aluminium powder, calcium carbonate, triethylene tetramine.Carbon fiber wire overall performance is less influenceed the invention enables individual carbon fibers silk fracture joint, pull-off force is high, extends the service life of circuit.

Description

High current-carrying capacity electric power overhead wire
Technical field
The present invention relates to a kind of electric power transmission lead, more particularly to a kind of high current-carrying capacity electric power overhead wire.
Background technology
The continuous rapid growth of Chinese national economy is being continuously increased to the demand of electric power, according to Guo Wang Construction Company Limiteds Planning, it is interior in recent years to focus the consruction on 1100kV UHV transmission lines.Transmission line construction, it is necessary to more large-section lead but It is too big that wire diameter is not intended to again.Traverse design will consider that the transmission capacity and economic current of factors, particularly wire are close Degree, corona critical voltage, mechanical strength etc..On the one hand, in the narrow area of circuit, it is only necessary to change leading for close section specification Line, need not substantially change steel tower can meet the requirement of intensity and wire over the ground, but in the application with conductor temperature Rising, its sag necessarily increases.And original shaft tower can not possibly have very big remaining to meet the incrementss of its sag, therefore will Reach that not changing steel tower increase-volume 40 ~ 50% on original corridor has any problem.
On the other hand, existing aluminum conductor uses galvanized strand wires as stress unit, and this structure has been used more than 100 years, It is traditional structure.But galvanized strand wires intensity is not high, and corrosion resistance is not strong, wire whole service life is shortened.The eighties, go out Xian Lv Baogangs single line, at that time because of complex process, it is difficult to promote, now, is used, its corrosion resistance is significantly in large cross line Strengthen, but strength ratio steel strand wires are reduced.
The content of the invention
The present invention provides a kind of high current-carrying capacity electric power overhead wire, and this high current-carrying capacity electric power overhead conductor structure both ensure that Some carbon fibre precursor roundings in aluminium lamination, it also avoid the damage of follow-up aluminium lamination in use, so as to ensure that electrical property Reliability, polyester gluing filler bonding force is strong, and seamless seal structure is formd between some carbon fibre precursors, is had Well heat-resisting, cold resistance, the corrosion of acid and alkali-resistance salt medium and heat endurance, stationarity are good, and anti-slipping property is strong.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of high current-carrying capacity electric power overhead wire, including position In center stress unit and stranded the first aluminium alloy conductive layer, the second aluminium alloy in stress unit outer surface is conductive successively Layer；
The first aluminium alloy conductive layer is formed by 10 ~ 14 first aluminium single lines are stranded, the second aluminium alloy conductive layer by 16 ~ 20 second aluminium single lines are stranded to be formed；
The second aluminium alloy conductive layer outer surface is stranded successively aluminium conductor clad, and aluminium conductor clad is cut by 19 ~ 21 Face stranded forms for " Z " font aluminium alloy conductor of " Z " font；
The stress unit is included positioned at the first carbon fiber single line at center and stranded in the first carbon fiber single line outer surface 6 pieces the Two carbon fiber single lines, the first carbon fiber single line and the second carbon fiber single line outer surface are coated with aluminium lamination, the aluminium lamination Thickness is 0.1 ~ 0.4mm；
The first carbon fiber single line, the second carbon fiber single line are formed by some carbon fibre precursors are stranded；In aluminium lamination and Polyester gluing filling part is filled between some carbon fibre precursors；
The polyester gluing filling part is by the first component and the second component according to 1：2 ~ 4 mass ratio is mixed, and described first Component is made up of the component of following parts by weight：
First component is made up of the raw material of following weight parts：
100 parts of N-307 unsaturated polyester (UP)s,
10 ~ 25 parts of butyl acrylate,
10 ~ 30 parts of Isooctyl acrylate monomer,
8 ~ 10 parts of n-butanol,
6 ~ 12 parts of toluene,
1 ~ 3 part of talcum powder,
4 ~ 6 parts of aluminium powder,
8 ~ 12 parts of calcium carbonate,
0.5 ~ 1 part of triethylene tetramine；
Second component is made up of the component of following parts by weight：100 parts of acrylic acid, 30 parts of methyl methacrylate, ethylene glycol 25 parts, 15 parts of toluene di-isocyanate(TDI), 1.5 parts of dibutyl tin laurate, 1 part of benzoyl peroxide, septichen benzene 0.5 part of ester.
Further improved technical scheme is as follows in above-mentioned technical proposal：
1. in such scheme, first component is made up of the raw material of following weight parts：
100 parts of N-307 unsaturated polyester (UP)s,
15 ~ 25 parts of butyl acrylate,
15 ~ 22 parts of Isooctyl acrylate monomer,
9 ~ 10 parts of n-butanol,
8 ~ 10 parts of toluene,
1 ~ 3 part of talcum powder,
3 ~ 5 parts of aluminium powder,
8 ~ 12 parts of calcium carbonate,
0.5 ~ 1 part of triethylene tetramine.
2. in such scheme, the number of the carbon fibre precursor is at least 300.
3. in such scheme, the thickness of the aluminium lamination is 0.1 ~ 0.4mm.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. special formulation is filled with high current-carrying capacity electric power overhead wire of the present invention, its aluminium lamination between some carbon fibre precursors Polyester gluing filling part, both ensure that some carbon fibre precursor roundings in aluminium lamination, and it also avoid follow-up aluminium in use The damage of layer, so as to ensure that the reliability of electrical property, polyester gluing filler bonding force is strong, some carbon fibre precursors it Between form seamless seal structure, with good heat-resisting, cold resistance, the corrosion of acid and alkali-resistance salt medium and heat endurance, stationarity Good, anti-slipping property is strong, it is therefore prevented that the defect come due to carbon fibre precursor smooth zone, it is ensured that uniform force, thermal resistance function admirable； First aluminium alloy conductive layer is formed by 10 ~ 14 first aluminium single lines are stranded, and the second aluminium alloy conductive layer is by 16 ~ 20 second Aluminium single line is stranded to be formed, and the second aluminium alloy conductive layer outer surface is stranded successively aluminium conductor clad, its close structure, bending half Footpath declines most 6 times cable sizes, reduces the space of mounting arrangement, reduces installation cost, it is easier to lay, presses coefficient Height improves current-carrying capacity under same uiform section, also can effectively prevent rainwater etc. from entering inside wire, wire has been reduced or avoided Surface area water freezes, and the Anti-ice-and-snow ability of wire has been significantly increased, aluminium conductor clad is by 19 ~ 21 " Z " font aluminium alloys Conductor strand forms electric conductivity, bending property and the decay resistance for also improving cable, reduces cable caloric value, its is wide General use can greatly improve whole transmission system reliability of operation and security, have broad application prospects, and especially fit Transmission line of electricity for needing reconstruction increase-volume, dilatation.
2. high current-carrying capacity electric power overhead wire of the present invention, aluminium bag carbon fiber line diameter is small for its, be conveniently used for stranded knot Structure, carbon fiber wire uses lay configuration, bending property and its excellent, avoids carbon fiber wire bending to fracture problem, single carbon completely Fiber precursor is broken once in a while does not influence aluminium bag carbon fiber single line performance, and the small defect of single aluminium bag carbon fiber single line will not larger shadow The performance of the whole stranded strengthening core stress unit of aluminium bag carbon fiber is rung, transmission line safety coefficient is improved；Secondly, its aluminium cladding Thickness degree can accomplish very thin, so that aluminium bag carbon fiber line diameter can accomplish 2mm ~ 4mm, with zinc-coated wire difference not It is many, the stress unit of wire is made in many stranded modes, the single of present carbon fiber rod is changed, diameter 5mm ~ 12mm's shows Shape, small aluminium bag carbon fiber line diameter and Duo Gen lay configurations cause the stress unit of wire（Aluminium bag carbon fiber twisted cores）It is curved Right and wrong footpath is greatly reduced, it is to avoid current individual carbon fibers diameter of mandrel is big, and bending stress is big, it is desirable to sabot, bending diameter of constructing It is very big, cause unfolding conductor, jointing requirements are high, the wire for frequently occurring plug crimping construction wrong hidden danger and arriving goes offline power transmission line Road power-off fault.
3. high current-carrying capacity electric power overhead wire of the present invention, it is tight that to the carbon fiber of the inside cladding well occurs for aluminium clad Pressure is acted on, and more than 100 carbon fibre precursor of the inside uses stranded mode of tiing knots, and such structure make it that individual carbon fibers silk is disconnected Splitting joint less influences carbon fiber wire overall performance, and pull-off force is high, extends the service life of circuit；Secondly, it is high in large span Press on overhead transmission line, excellent corrosion resistance, lightweight, pull-off force are high, conductance is high and high performance-price ratio, on original corridor Substantially do not change steel tower, reach increase-volume 60%, current-carrying capacity is big, light weight, sag characteristic are good, extends the service life of circuit.
Brief description of the drawings
Accompanying drawing 1 is high current-carrying capacity electric power overhead conductor structure schematic diagram of the present invention；
Accompanying drawing 2 is stress unit structural representation in accompanying drawing 1；
Accompanying drawing 3 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, stress unit；2nd, the first aluminium alloy conductive layer；21st, the first aluminium single line；3rd, the second aluminium alloy is led Electric layer；31st, the second aluminium single line；4th, aluminium conductor clad；41st, " Z " font aluminium alloy conductor；5th, the first carbon fiber single line；6th, Two carbon fiber single lines；7th, aluminium lamination；8th, carbon fibre precursor；9th, polyester gluing filling part.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of high current-carrying capacity electric power overhead wire, including stress unit 1 positioned at center and stranded in stress list successively The first aluminium alloy conductive layer 2, the second aluminium alloy conductive layer 3 of first 1 outer surface；
The first aluminium alloy conductive layer 2 is formed by 11 first aluminium single lines 21 are stranded, and the second aluminium alloy conductive layer 3 is by 18 The second aluminium of root single line 31 is stranded to be formed；
The outer surface of second aluminium alloy conductive layer 3 is stranded successively aluminium conductor clad 4, and aluminium conductor clad 4 is cut by 21 Face stranded forms for " Z " the font aluminium alloy conductor 41 of " Z " font；
The stress unit 1 includes being located at the first carbon fiber single line 5 at center and stranded in the outer surface 6 of the first carbon fiber single line 5 The second carbon fiber of root single line 6, the first carbon fiber single line 5 and the outer surface of the second carbon fiber single line 6 are coated with aluminium lamination 7, institute The thickness for stating aluminium lamination 7 is 0.1 ~ 0.4mm；
The first carbon fiber single line 5, the second carbon fiber single line 6 are formed by some carbon fibre precursors 8 are stranded；Positioned at aluminium lamination 7 It is interior and between some carbon fibre precursors 8 be filled with polyester gluing filling part 9.
The polyester gluing filling part 9 is by the first component and the second component according to 1：2 ~ 4 mass ratio is mixed, described First component is made up of the component of following parts by weight：
First component is made up of the raw material of following weight parts：
Table 1
Second component is made up of the component of following parts by weight：
Table 2
Embodiment
100 parts of acrylic acid 100 parts
30 ~ 35 parts of methyl methacrylate 30 parts
20 ~ 25 parts of ethylene glycol 25 parts
10 ~ 15 parts of toluene di-isocyanate(TDI) 15 parts
1 ~ 2 part of dibutyl tin laurate 1.5 part
0.5-1 parts of benzoyl peroxide 1 part
0.5-0.8 parts of septichen phenyl ester 0.5 part
The first component and the second component are according to 1 in embodiment：3 mass ratio is mixed.
The number of above-mentioned carbon fibre precursor 8 is at least 300.
The thickness of above-mentioned aluminium lamination 7 is 0.25mm or 0.15mm.
During using above-mentioned high current-carrying capacity electric power overhead wire, filled with specific between some carbon fibre precursors in its aluminium lamination The polyester gluing filling part of formula, both ensure that some carbon fibre precursor roundings in aluminium lamination, it also avoid subsequently using The damage of middle aluminium lamination, so as to ensure that the reliability of electrical property, polyester gluing filler bonding force is strong, in some carbon fiber originals Seamless seal structure is formd between silk, with good heat-resisting, cold resistance, the corrosion of acid and alkali-resistance salt medium and heat endurance, Gu Qualitative good, anti-slipping property is strong, it is therefore prevented that the defect come due to carbon fibre precursor smooth zone, it is ensured that uniform force, thermal resistance performance It is excellent；Its close structure, bending radius declines most 6 times cable sizes, reduces the space of mounting arrangement, reduces and be mounted to This, it is easier to lay, press coefficient height and current-carrying capacity is improved under same uiform section, also can effectively prevent rainwater etc. from entering wire Inside, has been reduced or avoided the icing of conductive line surfaces ponding, the Anti-ice-and-snow ability of wire has been significantly increased, it is widely used can Whole transmission system reliability of operation and security are greatly improved, is had broad application prospects, the needs that are particularly suitable for use in change Build the transmission line of electricity of increase-volume, dilatation；Secondly, its aluminium coating thickness can accomplish very thin, so that aluminium bag carbon fiber single line Diameter can accomplish 2mm ~ 4mm, the stress unit of wire is made in many stranded modes, is changed with zinc-coated wire almost Carbon fiber rod is single now, and diameter 5mm ~ 12mm present situation, small aluminium bag carbon fiber line diameter and Duo Gen lay configurations make Obtain the stress unit of wire（Aluminium bag carbon fiber twisted cores）Bending diameter is greatly reduced, it is to avoid current individual carbon fibers diameter of mandrel Greatly, bending stress is big, it is desirable to sabot, and construction bending diameter is very big, causes unfolding conductor, and jointing requirements are high, frequently occur plug Crimping construction wrong hidden danger and the wire that arrives go offline transmission line of electricity power-off fault；Again, aluminium clad is sent out the carbon fiber of the inside The raw cladding effect of pressing well, more than 100 carbon fibre precursor of the inside uses stranded mode of tiing knots, and such structure causes Individual carbon fibers silk fracture joint less influences carbon fiber wire overall performance, and pull-off force is high, extends the service life of circuit.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (4)

1. a kind of high current-carrying capacity electric power overhead wire, it is characterised in that：Including the stress unit positioned at center（1）It is stranded successively In stress unit（1）First aluminium alloy conductive layer of outer surface（2）, the second aluminium alloy conductive layer（3）；
The first aluminium alloy conductive layer（2）By 10 ~ 14 first aluminium single lines（21）Stranded to form, second aluminium alloy is conductive Layer（3）By 16 ~ 20 second aluminium single lines（31）It is stranded to form；
The second aluminium alloy conductive layer（3）Outer surface is stranded successively aluminium conductor clad（4）, aluminium conductor clad（4）By 19 ~ 21 sections are " Z " font aluminium alloy conductor of " Z " font（41）It is stranded to form；
The stress unit（1）Including the first carbon fiber single line positioned at center（5）With stranded in the first carbon fiber single line（5）Outside The second carbon fiber single line of 6, surface（6）, the first carbon fiber single line（5）With the second carbon fiber single line（6）Outer surface is coated There is aluminium lamination（7）, the aluminium lamination（7）Thickness be 0.1 ~ 0.4mm；
The first carbon fiber single line（5）, the second carbon fiber single line（6）By some carbon fibre precursors（8）It is stranded to form；It is located at Aluminium lamination（7）It is interior and in some carbon fibre precursors（8）Between be filled with polyester gluing filling part（9）；
The polyester gluing filling part（9）By the first component and the second component according to 1：2 ~ 4 mass ratio is mixed, and described One component is made up of the component of following parts by weight：
First component is made up of the raw material of following weight parts：
100 parts of N-307 unsaturated polyester (UP)s,
10 ~ 25 parts of butyl acrylate,
10 ~ 30 parts of Isooctyl acrylate monomer,
8 ~ 10 parts of n-butanol,
6 ~ 12 parts of toluene,
1 ~ 3 part of talcum powder,
4 ~ 6 parts of aluminium powder,
8 ~ 12 parts of calcium carbonate,
0.5 ~ 1 part of triethylene tetramine；
Second component is made up of the component of following parts by weight：100 parts of acrylic acid, 30 parts of methyl methacrylate, ethylene glycol 25 parts, 15 parts of toluene di-isocyanate(TDI), 1.5 parts of dibutyl tin laurate, 1 part of benzoyl peroxide, septichen benzene 0.5 part of ester.
2. high current-carrying capacity electric power overhead wire according to claim 1, it is characterised in that：First component is by following The raw material composition of parts by weight：
100 parts of N-307 unsaturated polyester (UP)s,
15 ~ 25 parts of butyl acrylate,
15 ~ 22 parts of Isooctyl acrylate monomer,
9 ~ 10 parts of n-butanol,
8 ~ 10 parts of toluene,
1 ~ 3 part of talcum powder,
3 ~ 5 parts of aluminium powder,
8 ~ 12 parts of calcium carbonate,
0.5 ~ 1 part of triethylene tetramine.
3. high current-carrying capacity electric power overhead wire according to claim 1, it is characterised in that：The carbon fibre precursor（8）'s Number is at least 300.
4. high current-carrying capacity electric power overhead wire according to claim 1, it is characterised in that：The aluminium lamination（7）Thickness be 0.1~0.4mm。
CN201611026400.5A 2014-12-29 2014-12-29 High current-carrying capacity electric power overhead wire Pending CN107068249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611026400.5A CN107068249A (en) 2014-12-29 2014-12-29 High current-carrying capacity electric power overhead wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410836142.1A CN104538101B (en) 2014-12-29 2014-12-29 Tensile aluminum stranded wire for electric power transmission
CN201611026400.5A CN107068249A (en) 2014-12-29 2014-12-29 High current-carrying capacity electric power overhead wire

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410836142.1A Division CN104538101B (en) 2014-12-29 2014-12-29 Tensile aluminum stranded wire for electric power transmission

Publications (1)

Publication Number Publication Date
CN107068249A true CN107068249A (en) 2017-08-18

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Family Applications (9)

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CN201610292545.3A Active CN106057338B (en) 2014-12-29 2014-12-29 Increasing volume type overhead power transmission aluminium closes wire
CN201611031838.2A Pending CN106782840A (en) 2014-12-29 2014-12-29 Electric power overhead wire with corrosion-resistant function
CN201611026400.5A Pending CN107068249A (en) 2014-12-29 2014-12-29 High current-carrying capacity electric power overhead wire
CN201611126656.3A Pending CN107068258A (en) 2014-12-29 2014-12-29 Power network overhead transmission line aluminum stranded conductor
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CN201410836142.1A Active CN104538101B (en) 2014-12-29 2014-12-29 Tensile aluminum stranded wire for electric power transmission
CN201610292797.6A Active CN106057289B (en) 2014-12-29 2014-12-29 Ultra-high-tension power transmission line energy-saving overhead wire
CN201610292126.XA Active CN106057330B (en) 2014-12-29 2014-12-29 UHV transmission line aluminium alloy stranded conductor
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CN201410836142.1A Active CN104538101B (en) 2014-12-29 2014-12-29 Tensile aluminum stranded wire for electric power transmission
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CN106057330B (en) 2018-04-06
CN107068258A (en) 2017-08-18
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CN106710668B (en) 2018-06-29
CN106710667A (en) 2017-05-24

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