CN103000283A - Carbon fiber composite core capacity-increasing lead - Google Patents
Carbon fiber composite core capacity-increasing lead Download PDFInfo
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- CN103000283A CN103000283A CN 201210399732 CN201210399732A CN103000283A CN 103000283 A CN103000283 A CN 103000283A CN 201210399732 CN201210399732 CN 201210399732 CN 201210399732 A CN201210399732 A CN 201210399732A CN 103000283 A CN103000283 A CN 103000283A
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- carbon fiber
- fiber composite
- composite core
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- fiber complex
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Abstract
The invention belongs to the field of power cables of overhead power transmission lines, and particularly relates to a carbon fiber composite core capacity-increasing lead which is particularly applicable to specific capacity-increasing lines. The carbon fiber composite core capacity-increasing lead comprises a carbon fiber composite core and an annealed aluminum wire wrapping the carbon fiber composite core, the carbon fiber composite core is composed of a central carbon fiber layer and a glass fiber layer wrapping the central carbon fiber layer, and the annealed aluminum wire with a trapezoidal or circular section is formed by a plurality of annealed aluminum layers by means of concentric stranding. The carbon fiber composite core capacity-increasing lead has the advantages that tensile strength of the carbon fiber composite core reaches 2400MPa and is much higher than that of conventional steel cores, so that connection strength of a straight pipe, a strain clamp and the lead is improved beneficially; the carbon fiber composite core is free of magnetic loss heat effect of the conventional steel cores, and thereby line loss is low; the outer layer of the lead is formed by the annealed aluminum with the trapezoidal section, and more aluminum can be wound, so that electric conductivity is increased; by the aid of the carbon fiber composite core low in linear expansion coefficient, allowed temperature and current-carrying capacity of the lead are increased; and since the density of the carbon fiber composite core is small, the produced lead is lightweight.
Description
Technical field
The invention belongs to the power cable field of overhead transmission line, be specially adapted to specific increase-volume circuit, be specifically related to a kind of carbon fiber complex core capacity-improving conducting wires.
Background technology
Often use conventional steel core heat-resisting aluminium alloy twisted wire in field of overhead power transmission lines at present, simple in structure, price is low, easy to make, but wire weight is large, line loss and energy consumption are large during the energising operation, simultaneously ampacity limited, allow serviceability temperature not high, can not be applicable to the increase-volume circuit.Therefore be necessary to provide a kind of high and low sag of working temperature, capacity-improving conducting wires that ampacity is large of allowing.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of allow the high and low sag of working temperature, ampacity large, lightweight, conduct electricity very well, line loss and the less carbon fiber complex core capacity-improving conducting wires of energy consumption.
To achieve these goals, the technical solution adopted in the present invention is: the carbon fiber complex core capacity-improving conducting wires, it is characterized in that: the annealed aluminum wire that comprises carbon fiber complex core and wrap carbon fiber composite core, carbon fiber complex core is made of the glass layer of carbon fiber central core and carbon coated fibrillar center layer, described annealed aluminum wire is formed by the soft aluminium concentric stranding of some layers, and the cross section is trapezoidal or circular.
Aforesaid carbon fiber complex core capacity-improving conducting wires, the tensile strength of described carbon fiber complex core reaches 2400MPa.
Aforesaid carbon fiber complex core capacity-improving conducting wires, the coefficient of linear expansion of described carbon fiber complex core are 1.6 * 10
-6/ ℃.
Aforesaid carbon fiber complex core capacity-improving conducting wires, the density of described carbon fiber complex core are 1.9g/cm
3
Aforesaid carbon fiber complex core capacity-improving conducting wires, the continuous operating temperature of the permission of described carbon fiber complex core capacity-improving conducting wires is 150 ℃.
Beneficial effect of the present invention: the tensile strength of carbon fiber complex core reaches 2400MPa, is higher than conventional steel core far away, is conducive to improve the bonding strength of rectilinear tubes, strain clamp and wire; There is not the magnetic loss thermal effect of conventional steel core in this material, and line loss is low; Wire external layer uses the soft aluminium in trapezoid cross section, can twine more aluminium, has improved conductance; The coefficient of linear expansion of carbon fiber complex core is low, has improved permission serviceability temperature and the ampacity of wire; The density of carbon fiber complex core is little, makes the wire quality that makes light.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein, 1 glass layer, 2 carbon fiber central cores, 3 annealed aluminum wires.
Embodiment
Fig. 1 is the preferred embodiments of the present invention, and the invention will be further described below in conjunction with accompanying drawing.
According to Fig. 1, the carbon fiber complex core capacity-improving conducting wires, it is characterized in that: the annealed aluminum wire 3 that comprises carbon fiber complex core and wrap carbon fiber composite core, carbon fiber complex core is made of the glass layer 1 of carbon fiber central core 2 and carbon coated fibrillar center layer 2, described annealed aluminum wire 3 is formed by the soft aluminium concentric stranding of some layers, and the cross section is trapezoidal or circular; The density of carbon fiber complex core is 1.9g/cm
3The continuous operating temperature of the permission of carbon fiber complex core capacity-improving conducting wires is 150 ℃.
The tensile strength of carbon fiber complex core reaches 2400Mpa, and the tensile strength of general steel wire is 1240MPa, high-tensile steel wires are 1410MPa, extra high strength steel wire is 1770MPa, as seen the tensile strength of carbon fiber complex core is very large, therefore is conducive to improve the bonding strength of rectilinear tubes, strain clamp and wire.
Because the magnetic loss thermal effect that the carbon fiber complex core capacity-improving conducting wires does not exist wire material to cause under the condition of carrying identical load, has lower operating temperature, compares with steel reinforced aluminium conductor and can reduce transmission loss about 6%.In addition, the outer surface that the skin of carbon fiber complex core capacity-improving conducting wires is formed by the soft aluminium in trapezoid cross section is more than traditional steel reinforced aluminium conductor smooth surface, improved the conductive line surfaces coefficient of roughness, be conducive to improve the corona inception voltage of wire, reduce corona loss, reduce corona noise sound and radio interference level.Because skin is the soft aluminium in trapezoid cross section, compare outer conductive aluminum of twining with conventional steel reinforced aluminium conductor more, improved the conductance of conductor, thereby reduced the D.C. resistance of wire.Therefore line loss is low, conductance is high.
The coefficient of linear expansion of carbon fiber complex core is low by (1.6 * 10
-6/ ℃), be about 1/8 of common steel core, therefore have significant low thermal expansion characteristics, improved permission serviceability temperature and the ampacity of wire.
The carbon fiber complex core capacity-improving conducting wires can carry out stringing by the technology and equipment of routine, because annealed aluminum wire can not rub, usually needs tension stringing.Set up this wire and need use special assorted golden tool, so that the carbon fiber complex core capacity-improving conducting wires can continue and hanging wire eaily, it is also comparatively convenient to be connected with traditional gold utensil.
Above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops on protection scope of the present invention.
Claims (5)
1. carbon fiber complex core capacity-improving conducting wires, it is characterized in that: the annealed aluminum wire that comprises carbon fiber complex core and wrap carbon fiber composite core, carbon fiber complex core is made of the glass layer of carbon fiber central core and carbon coated fibrillar center layer, described annealed aluminum wire is formed by the soft aluminium concentric stranding of some layers, and the cross section is trapezoidal or circular.
2. carbon fiber complex core capacity-improving conducting wires according to claim 1, it is characterized in that: the tensile strength of described carbon fiber complex core reaches 2400MPa.
3. carbon fiber complex core capacity-improving conducting wires according to claim 1, it is characterized in that: the coefficient of linear expansion of described carbon fiber complex core is 1.6 * 10
-6/ ℃.
4. carbon fiber complex core capacity-improving conducting wires according to claim 1, it is characterized in that: the density of described carbon fiber complex core is 1.9g/cm
3
5. carbon fiber complex core capacity-improving conducting wires according to claim 1, it is characterized in that: the continuous operating temperature of the permission of described carbon fiber complex core capacity-improving conducting wires is 150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210399732 CN103000283A (en) | 2012-10-19 | 2012-10-19 | Carbon fiber composite core capacity-increasing lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210399732 CN103000283A (en) | 2012-10-19 | 2012-10-19 | Carbon fiber composite core capacity-increasing lead |
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| Publication Number | Publication Date |
|---|---|
| CN103000283A true CN103000283A (en) | 2013-03-27 |
Family
ID=47928743
Family Applications (1)
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|---|---|---|---|
| CN 201210399732 Pending CN103000283A (en) | 2012-10-19 | 2012-10-19 | Carbon fiber composite core capacity-increasing lead |
Country Status (1)
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| CN (1) | CN103000283A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869718A (en) * | 2016-05-23 | 2016-08-17 | 天津市新玻特种线缆制造有限公司 | Novel high-energy-efficiency carbon fiber wire wrapped with aluminum |
| CN107358995A (en) * | 2017-08-18 | 2017-11-17 | 中复碳芯电缆科技有限公司 | A kind of hard aluminum wire of heavy in section carbon fiber complex core half |
| CN110164618A (en) * | 2018-02-13 | 2019-08-23 | 中国电力科学研究院有限公司 | A kind of big section strand type conducting wire |
| CN112151206A (en) * | 2020-09-25 | 2020-12-29 | 国网河南省电力公司周口供电公司 | Carbon fiber composite core wire and preparation method thereof |
-
2012
- 2012-10-19 CN CN 201210399732 patent/CN103000283A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869718A (en) * | 2016-05-23 | 2016-08-17 | 天津市新玻特种线缆制造有限公司 | Novel high-energy-efficiency carbon fiber wire wrapped with aluminum |
| CN107358995A (en) * | 2017-08-18 | 2017-11-17 | 中复碳芯电缆科技有限公司 | A kind of hard aluminum wire of heavy in section carbon fiber complex core half |
| CN110164618A (en) * | 2018-02-13 | 2019-08-23 | 中国电力科学研究院有限公司 | A kind of big section strand type conducting wire |
| CN112151206A (en) * | 2020-09-25 | 2020-12-29 | 国网河南省电力公司周口供电公司 | Carbon fiber composite core wire and preparation method thereof |
| CN112151206B (en) * | 2020-09-25 | 2022-07-01 | 国网河南省电力公司周口供电公司 | Carbon fiber composite core wire and preparation method thereof |
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Application publication date: 20130327 |