CN107833662A - A kind of windproof wire of twisting type carbon fiber - Google Patents
A kind of windproof wire of twisting type carbon fiber Download PDFInfo
- Publication number
- CN107833662A CN107833662A CN201710983519.XA CN201710983519A CN107833662A CN 107833662 A CN107833662 A CN 107833662A CN 201710983519 A CN201710983519 A CN 201710983519A CN 107833662 A CN107833662 A CN 107833662A
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- China
- Prior art keywords
- carbon fiber
- wire
- twisting type
- windproof
- type carbon
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- 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.)
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Classifications
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- 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
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- 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
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- Non-Insulated Conductors (AREA)
Abstract
The invention provides a kind of windproof wire of twisting type carbon fiber, it is related to transmission ＆ distribution electro-technical field, blast suffered by wire can be reduced, improve the capability of anti-wind of wire, so as to reduces circuit cost and improve the security of circuit operation.The wherein described windproof wire of twisting type carbon fiber includes：Carbon fiber complex core, and some aluminum steels of the cladding carbon fiber complex core；The circular in cross-section of the windproof wire of twisting type carbon fiber or close circle；There are multiple grooves on the outer surface of the windproof wire of twisting type carbon fiber.The above-mentioned windproof wire of twisting type carbon fiber is applied in the design of COASTAL GALE area overhead transmission line.
Description
Technical field
The present invention relates to transmission ＆ distribution electro-technical field, more particularly to a kind of windproof wire of twisting type carbon fiber.
Background technology
Used main power transmission mode since overhead transmission line transmission of electricity is electric power industry development, overhead transmission line refer to frame
On ground, insulator and the power circuit of air insulation are utilized.In the design of overhead transmission line, act on wire
Horizontal wind load, increase wire tension, cause the intensity requirement needed for iron tower foundation to increase substantially.In the reality of wire
In use, blast suffered by wire accounts for 50%~70% of blast suffered by whole circuit.Therefore, blast suffered by reduction wire, is carried
The capability of anti-wind of high wire, have great importance for the security for reducing circuit cost and improving circuit operation.
The content of the invention
For above-mentioned the problems of the prior art, the present invention provides a kind of windproof wire of twisting type carbon fiber, is led with reducing
Blast suffered by line, the capability of anti-wind of wire is improved, reach the purpose for the security for reducing circuit cost and improving circuit operation.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
The invention provides a kind of windproof wire of twisting type carbon fiber, the windproof wire of twisting type carbon fiber includes：Carbon is fine
Tie up composite core, and some aluminum steels of the cladding carbon fiber complex core；The cross section of the windproof wire of twisting type carbon fiber
Rounded or close circle；There are multiple grooves on the outer surface of the windproof wire of twisting type carbon fiber.
In the windproof wire of twisting type carbon fiber provided by the present invention, the core of wire uses carbon fiber complex core, by
In the wire for identical voltage class, carbon fiber complex core is smaller relative to the sectional area of the steel core of conventional wires, therefore adopts
Diameter of wire can be reduced with carbon fiber complex core.By the circular in cross-section or close for making the windproof wire of twisting type carbon fiber
It is circular so that the outer surface of the windproof wire of twisting type carbon fiber is advantageous to drop for smooth periphery or close to smooth periphery
The resistance coefficient of low wire.By setting multiple grooves on the outer surface of the windproof wire of twisting type carbon fiber, wire is added
The roughness of outer surface, because surface is more coarse, Reynolds number is smaller, and resistance coefficient depends on Reynolds number, therefore sets groove
Contribute to the resistance coefficient of reduction wire.Wind load W according to suffered by wiremCalculation formula：Wm=(ρ V2·CD·D·
L)/2 (wherein ρ is atmospheric density, and V is wind speed, CDFor resistance coefficient, D is diameter of wire, and L is unit length), due to the present invention
The diameter D and resistance coefficient C of middle wireDIt is smaller, therefore the wind load suffered by wire is minimized, so as to reduce suffered by wire
Blast, the capability of anti-wind of wire is improved, and then circuit cost can be reduced, improve the security of circuit operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The first cross-sectional view for the windproof wire of twisting type carbon fiber that Fig. 1 is provided by the embodiment of the present invention；
Second of cross-sectional view of the windproof wire of twisting type carbon fiber that Fig. 2 is provided by the embodiment of the present invention；
The wind tunnel test curve for the windproof wire of twisting type carbon fiber that Fig. 3 is provided by the embodiment of the present invention.
Description of reference numerals：
1- carbon fiber complex cores；10- carbon fiber strands；
11- carbon fibers；12- epoxy resin；
2- aluminum steels；3- grooves.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
All other embodiment that art personnel are obtained on the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The embodiments of the invention provide a kind of windproof wire of twisting type carbon fiber, as depicted in figs. 1 and 2, the twisting type carbon
The windproof wire of fiber includes：Carbon fiber complex core 1, and coat some aluminum steels 2 of the carbon fiber complex core 1.The twisting type carbon
The cross section of the windproof wire of fiber is integrally rounded or close circular.Have on the outer surface of the windproof wire of twisting type carbon fiber
Multiple grooves 3.
In the above-mentioned windproof wire of twisting type carbon fiber, on the one hand, the core of wire substitutes tradition using carbon fiber complex core
The steel core of wire, for the wire of identical voltage class, carbon fiber complex core relative to the steel core of conventional wires sectional area compared with
It is small, therefore diameter of wire can be reduced using carbon fiber complex core.
On the other hand, the circular in cross-section of wire or close circle, that is to say, that the outer surface of wire is smooth circumference
Face or close to smooth periphery, this advantageously reduces the resistance coefficient of wire.
Another aspect, multiple grooves is provided with the outer surface of wire, so as to add the roughness of wire outer surface.By
More coarse in surface, reynolds number Re is smaller, and resistance coefficient depends on reynolds number Re, therefore the setting of wire outer surface upper groove
Contribute to the resistance coefficient of reduction wire.
Fig. 3 is referred to, the windproof wire of twisting type carbon fiber and conventional wires provided the present embodiment carries out wind-tunnel examination
Test, obtain the two corresponding drag-coefficient curve, can be, it is evident that under identical wind friction velocity from Fig. 3, twisting type carbon is fine
The resistance coefficient for tieing up windproof wire is significantly less than the resistance coefficient of conventional wires.
It can be seen from hydrodynamics, the wind load W suffered by wirem(unit is：Kg/m calculation formula) is：
Wm=(ρ V2·CD·D·L)/2 (1)
Wherein, ρ is that (unit is atmospheric density：kg·sec2/m4)；V is that (unit is wind speed：m/s)；CDFor resistance coefficient；
D is that (unit is diameter of wire：m)；L is that (unit is unit length：m).
The diameter D and resistance of the windproof wire of twisting type carbon fiber in the present embodiment can be obtained according to analysis above again
Coefficient CDReduce compared with prior art, therefore the wind load suffered by the windproof wire of twisting type carbon fiber in the present embodiment is dropped
It is low, so as to reduce blast suffered by wire, the capability of anti-wind of wire is improved, and then circuit cost can be reduced, improve circuit
The security of operation, and the requirement of strength design of steel tower is reduced, particularly in coastal typhoon hotspot, using in the present embodiment
The windproof wire of twisting type carbon fiber, the capability of anti-wind of circuit can be greatly improved.
In actual application, because the wind speed of different geographical is different, therefore to being arranged in the twisting type of different geographical
The design requirement of the windproof wire of carbon fiber is also different, can be by the design to conductor structure, such as to wire fovea superior groove shape, big
The design of small, distribution density etc., change the roughness of wire outer surface, so as to change the reynolds number Re of wire outer surface, make resistance
Force coefficient CDReach the critical wind velocity corresponding to the reynolds number Re of minimum value and meet design requirement.
The windproof wire of twisting type carbon fiber provided based on the present embodiment, set groove 3 is on edge on its outer surface
The section of the windproof wire radial direction of twisting type carbon fiber can be U-shaped, with the reduction resistance coefficient compared with limits.The size of groove 3 can
Depending on the radius of actual wire and other design requirements, as a kind of possible design, the depth capacity of groove 3 can be to twist
//20th~ten of the diameter of the box-like windproof wire of carbon fiber, groove 3 is along the windproof wire footpath of twisting type carbon fiber
To section Breadth Maximum can be the windproof wire of twisting type carbon fiber diameter 1/1/20th~ten.
In addition, section of the groove 3 along the windproof wire center line direction of twisting type carbon fiber can be U-shaped or square, the present invention
Not to this specific restriction.
In order that the wind-proof performance uniformity of the windproof wire of twisting type carbon fiber everywhere in the present embodiment, it is preferred that
The shapes and sizes of multiple grooves on wire are consistent, and are uniformly distributed on the outer surface of the windproof wire of twisting type carbon fiber.
In the present embodiment, in order that the circular in cross-section of wire or close circle, are coated on outside carbon fiber complex core 1
The cross section of aluminum steel 2 be fan-shaped (as shown in Figure 1) or Z-shaped (as shown in Figure 2) so that wire outer surface is close to smoothly round
In week, reduce wire resistance coefficient.
In addition, continuing with referring to Fig. 1 and Fig. 2, carbon coated can be arranged in by being coated on the aluminum steel 2 outside carbon fiber complex core 1
If the dried layer of fiber composite core 1, such as two layers, i.e. the outside of carbon fiber complex core 1 can coat multilayer aluminum steel 2, if every layer includes
Dry root aluminum steel 2.Based on this structure, the groove 3 for increasing conductive line surfaces roughness is specifically located at the outer of outermost layer aluminum steel
On surface.
In the present embodiment, the structure of the carbon fiber complex core 1 of the windproof wire of twisting type carbon fiber is：By multi-strand carbon fiber stock
Line 10 is twisted, and every carbon fiber strand 10 includes：More carbon fibers 11, and coat the epoxy resin layer of those carbon fibers 11
12.It should be noted that epoxy resin layer 12 is wrapped up in the outside of carbon fiber 11 primarily to completely cutting off carbon fiber 11 and aluminum steel 2,
Prevent aluminum steel 2 from corroding.
The embodiment of the present invention is the foregoing is only, but protection scope of the present invention is not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (9)
1. a kind of windproof wire of twisting type carbon fiber, it is characterised in that the windproof wire of twisting type carbon fiber includes：Carbon fiber
Composite core, and some aluminum steels of the cladding carbon fiber complex core；The cross section of the windproof wire of twisting type carbon fiber is in
Circular or close circle；There are multiple grooves on the outer surface of the windproof wire of twisting type carbon fiber.
2. the windproof wire of twisting type carbon fiber according to claim 1, it is characterised in that the groove is along the twisting type
The section of the windproof wire radial direction of carbon fiber is U-shaped.
3. the windproof wire of twisting type carbon fiber according to claim 2, it is characterised in that the depth capacity of the groove is
//20th~ten of the diameter of the windproof wire of twisting type carbon fiber.
4. the windproof wire of twisting type carbon fiber according to claim 2, it is characterised in that the groove is along the twisting type
The Breadth Maximum in the section of the windproof wire radial direction of carbon fiber for the windproof wire of twisting type carbon fiber diameter 20/
1/10th~ten.
5. the windproof wire of twisting type carbon fiber according to claim 2, it is characterised in that the groove is along the twisting type
The section in the windproof wire center line direction of carbon fiber is U-shaped or square.
6. the windproof wire of twisting type carbon fiber according to any one of Claims 1 to 5, it is characterised in that the multiple recessed
The shapes and sizes of groove are consistent, and are uniformly distributed on the outer surface of the windproof wire of twisting type carbon fiber.
7. the windproof wire of twisting type carbon fiber according to claim 1, it is characterised in that the cross section of the aluminum steel is fan
Shape is Z-shaped.
8. the windproof wire of twisting type carbon fiber according to claim 7, it is characterised in that some aluminum steels are arranged in
If coat the dried layer of the carbon fiber complex core.
9. the windproof wire of twisting type carbon fiber according to claim 1, it is characterised in that the carbon fiber complex core is by more
Stock carbon fiber strand is twisted, and the every carbon fiber strand includes：More carbon fibers, and the cladding more carbon fibers
Epoxy resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983519.XA CN107833662A (en) | 2017-10-20 | 2017-10-20 | A kind of windproof wire of twisting type carbon fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983519.XA CN107833662A (en) | 2017-10-20 | 2017-10-20 | A kind of windproof wire of twisting type carbon fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107833662A true CN107833662A (en) | 2018-03-23 |
Family
ID=61648717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710983519.XA Pending CN107833662A (en) | 2017-10-20 | 2017-10-20 | A kind of windproof wire of twisting type carbon fiber |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584120A (en) * | 2020-05-20 | 2020-08-25 | 远东电缆有限公司 | Capacity-increasing wind resistance wire and preparation method thereof |
| CN112464589A (en) * | 2020-12-11 | 2021-03-09 | 国网新疆电力有限公司电力科学研究院 | Simplified numerical simulation method for aerodynamic resistance of power transmission conductor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0850814A (en) * | 1994-06-03 | 1996-02-20 | Furukawa Electric Co Ltd:The | Overhead electric line |
| JPH09161541A (en) * | 1995-12-01 | 1997-06-20 | Kansai Electric Power Co Inc:The | Low wind pressure electric wire with low degree of slackness |
| US20070193767A1 (en) * | 2006-02-01 | 2007-08-23 | Daniel Guery | Electricity transport conductor for overhead lines |
| CN203260386U (en) * | 2013-04-20 | 2013-10-30 | 河南科信电缆有限公司 | Rope-type composite core |
| CN104112531A (en) * | 2013-04-20 | 2014-10-22 | 河南科信电缆有限公司 | Carbon fiber composite core type aerial insulation cable |
| CN104134483A (en) * | 2014-07-17 | 2014-11-05 | 佛冈鑫源恒业电缆科技有限公司 | Stranded carbon fiber composite core soft aluminum wire and fabrication method thereof |
| WO2014200388A2 (en) * | 2013-06-14 | 2014-12-18 | Silchenkov Dmitriy Grigorevich | Overhead transmission line conductor and method for the manufacture thereof |
| WO2015194221A1 (en) * | 2014-06-16 | 2015-12-23 | J-Power Systems Corporation | Overhead transmission conductor |
| CN106920581A (en) * | 2017-01-22 | 2017-07-04 | 中复碳芯电缆科技有限公司 | Carbon fiber rope strengthens core aluminum stranded wire and preparation method thereof |
-
2017
- 2017-10-20 CN CN201710983519.XA patent/CN107833662A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0850814A (en) * | 1994-06-03 | 1996-02-20 | Furukawa Electric Co Ltd:The | Overhead electric line |
| JPH09161541A (en) * | 1995-12-01 | 1997-06-20 | Kansai Electric Power Co Inc:The | Low wind pressure electric wire with low degree of slackness |
| US20070193767A1 (en) * | 2006-02-01 | 2007-08-23 | Daniel Guery | Electricity transport conductor for overhead lines |
| CN203260386U (en) * | 2013-04-20 | 2013-10-30 | 河南科信电缆有限公司 | Rope-type composite core |
| CN104112531A (en) * | 2013-04-20 | 2014-10-22 | 河南科信电缆有限公司 | Carbon fiber composite core type aerial insulation cable |
| WO2014200388A2 (en) * | 2013-06-14 | 2014-12-18 | Silchenkov Dmitriy Grigorevich | Overhead transmission line conductor and method for the manufacture thereof |
| WO2015194221A1 (en) * | 2014-06-16 | 2015-12-23 | J-Power Systems Corporation | Overhead transmission conductor |
| CN104134483A (en) * | 2014-07-17 | 2014-11-05 | 佛冈鑫源恒业电缆科技有限公司 | Stranded carbon fiber composite core soft aluminum wire and fabrication method thereof |
| CN106920581A (en) * | 2017-01-22 | 2017-07-04 | 中复碳芯电缆科技有限公司 | Carbon fiber rope strengthens core aluminum stranded wire and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584120A (en) * | 2020-05-20 | 2020-08-25 | 远东电缆有限公司 | Capacity-increasing wind resistance wire and preparation method thereof |
| CN112464589A (en) * | 2020-12-11 | 2021-03-09 | 国网新疆电力有限公司电力科学研究院 | Simplified numerical simulation method for aerodynamic resistance of power transmission conductor |
| CN112464589B (en) * | 2020-12-11 | 2023-02-03 | 国网新疆电力有限公司电力科学研究院 | Simplified numerical simulation method for aerodynamic resistance of power transmission conductor |
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