CN2798256Y - Doubling capacity conducting wire of aluminium coated invar steel core heat resisting aluminium alloy - Google Patents
Doubling capacity conducting wire of aluminium coated invar steel core heat resisting aluminium alloy Download PDFInfo
- Publication number
- CN2798256Y CN2798256Y CN 200520070731 CN200520070731U CN2798256Y CN 2798256 Y CN2798256 Y CN 2798256Y CN 200520070731 CN200520070731 CN 200520070731 CN 200520070731 U CN200520070731 U CN 200520070731U CN 2798256 Y CN2798256 Y CN 2798256Y
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- aluminium
- invar
- core
- aluminum
- heat resisting
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- Expired - Lifetime
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Abstract
The utility model relates to a doubling capacity conducting wire for aluminium coated invar core heat resisting aluminium alloy, which relates to a conveying electrical conducting wire for electric power systems and can be suitable for overhead electric transmission and distribution lines with various voltage levels, particularly the electric power transmission with large capacity for cities. The structure of the utility model comprises an aluminum coated invar core and heat resisting aluminum alloy lines, wherein the aluminum coated invar core is composed of a plurality of aluminum coated invar wires which are concentrically stranded; a plurality of layers of heat resisting aluminum alloy lines are concentrically stranded outside the aluminum coated invar core; the outer layers of the invar wires are provided with aluminum layers forming the aluminium coated invar wires; the heat resistant aluminum alloy lines are aluminum zirconium alloy material lines which can resist high temperature within 210 DEG and 230 DEG.
Description
Technical field
What the utility model aluminium bag invar core heat-resisting aluminium alloy double capacity conductor related to is that electric lead is carried in a kind of electric power system, in the built on stilts electric line applicable to various voltage levels, and particularly city large-capacity power transmission.
Background technology
At present, the lead that transmission line adopts has steel reinforced aluminium conductor, aluminium Baogang core aluminum stranded wire, the conventional aluminium twisted wire, these transmission pressures all adopt the conventional aluminium material, because the characteristic of aluminium material has determined that the transmittability of lead is limited, the permission transmission capacity (ampacity) of circuit depends on the ability of conductor tolerable temperature, the conductor temperature of ordinary steel core aluminum stranded wire LGJQ-240 when operating current is 382A is 60 ℃, conductor temperature when conductor current increases to 596A is 70 ℃, when electric current is elevated to 867A again, the temperature of conductor reaches 90 ℃, because due to the material, the serviceability temperature of common steel reinforced aluminium conductor is 70 ℃, because the power grid security restriction, temperature can only reach 70 ℃～90 ℃ when using for a long time, and transmission line capability is affected.
Summary of the invention
The purpose of this utility model is to provide a kind of aluminium bag invar core heat-resisting aluminium alloy double capacity conductor at above-mentioned weak point, adopt aluminium bag invar core as strengthening core, the then stranded several layers heat resistant aluminum alloy wire of skin, have conduct electricity very well, corrosion-resistant, the high-frequency transmission performance is good, simple in structure, set up and characteristics easy to maintenance, that the circuit cost is low, transmission capacity is big, intensity is high, sag does not increase substantially.
Aluminium bag invar core heat-resisting aluminium alloy double capacity conductor takes following scheme to realize: aluminium bag invar core heat-resisting aluminium alloy double capacity conductor structure comprises aluminium bag invar core, heat resistant aluminum alloy wire.Aluminium bag invar core is made of some aluminium bag invar silk concentric strandings.Be coated with aluminium lamination at invar silk skin and constitute aluminium bag invar silk.Strand is shaped on the several layers heat resistant aluminum alloy wire with one heart outside aluminium bag invar core, heat resistant aluminum alloy wire is a kind of aluminium Zirconium alloy material line of anti-210 ℃～230 ℃ of high temperature, its conductance is 60%IACS, can make aluminium bag invar core heat-resisting aluminium alloy double capacity conductor working temperature reach 210 ℃～230 ℃, can improve the lead transmission capacity.
The technical characterstic of aluminium bag invar core heat-resisting aluminium alloy double capacity conductor is:
1, serve as the conductor of strengthening the stranded double capacity conductor of heat-resisting aluminium alloy with aluminium bag invar core, serviceability temperature is brought up to 210 ℃, realizes 2～3 times of electric current increase-volumes, becomes double capacity conductor;
2, line-sag was with steel reinforced aluminium conductor (LGJ) is suitable usually during the extremely low linear expansion coefficient that possessed of aluminium bag invar core reinforcement can guarantee hot operation;
3, outer heat resistant aluminum alloy wire conductor is identical with aluminium bag invar line contact-making surface material as reinforcing element, and no galvanic effect strengthens resistance to corrosion, increases the service life;
4, need not special installation, by providing for simple replacement of conductor, changing circuit and can realize that current capacity is extended to 2～3 times purpose.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is an aluminium bag invar core heat-resisting aluminium alloy double capacity conductor structural representation.
Embodiment
With reference to accompanying drawing 1, aluminium bag invar core heat-resisting aluminium alloy double capacity conductor structure comprises aluminium bag invar core, heat resistant aluminum alloy wire 3.Aluminium bag invar core is made of some aluminium bag invar silk concentric strandings.Invar (INVAR) is a kind of iron-nickel alloy material of low thermal coefficient of expansion, and its thermal coefficient of expansion is 2.8 * 10
-6/ ℃.Be coated with aluminium lamination 1 at invar silk 2 skins and constitute aluminium bag invar silk.Strand is shaped on several layers heat resistant aluminum alloy wire 3 with one heart outside aluminium bag invar core, heat resistant aluminum alloy wire 3 is a kind of aluminium Zirconium alloy material line of anti-210 ℃～230 ℃ of high temperature, its conductance is 60%IACS, can make aluminium bag invar core heat-resisting aluminium alloy double capacity conductor working temperature reach 210 ℃～230 ℃ during work, can improve the lead transmission capacity.
Claims (3)
1, a kind of aluminium bag invar core heat-resisting aluminium alloy double capacity conductor, it is characterized in that structure comprises aluminium bag invar core, heat resistant aluminum alloy wire, aluminium bag invar core is made of some aluminium bag invar silk concentric strandings, and strand is shaped on the several layers heat resistant aluminum alloy wire with one heart outside aluminium bag invar core.
2, aluminium bag invar core heat-resisting aluminium alloy double capacity conductor according to claim 1 is characterized in that being coated with aluminium lamination at invar silk skin constitutes aluminium bag invar silk.
3, aluminium bag invar core heat-resisting aluminium alloy double capacity conductor according to claim 1 is characterized in that heat resistant aluminum alloy wire is a kind of aluminium Zirconium alloy material line of anti-210 ℃～230 ℃ of high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070731 CN2798256Y (en) | 2005-04-14 | 2005-04-14 | Doubling capacity conducting wire of aluminium coated invar steel core heat resisting aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520070731 CN2798256Y (en) | 2005-04-14 | 2005-04-14 | Doubling capacity conducting wire of aluminium coated invar steel core heat resisting aluminium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798256Y true CN2798256Y (en) | 2006-07-19 |
Family
ID=36869502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520070731 Expired - Lifetime CN2798256Y (en) | 2005-04-14 | 2005-04-14 | Doubling capacity conducting wire of aluminium coated invar steel core heat resisting aluminium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798256Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834877A (en) * | 2010-06-24 | 2012-12-19 | 株式会社藤仓 | Electrical cable for use in automobiles |
| CN104425077A (en) * | 2013-09-08 | 2015-03-18 | 湖北鄂电萃宇电缆有限公司 | Aluminium conductor steel-reinforced photoelectric composite aerial insulated cable |
| CN105529651A (en) * | 2016-02-29 | 2016-04-27 | 中国电力工程顾问集团西南电力设计院有限公司 | 500kV power transmission line conductor capacity-increasing transformation method |
| CN105830171A (en) * | 2013-12-17 | 2016-08-03 | 日新制钢株式会社 | Composite twisted wire |
| CN108962430A (en) * | 2018-07-19 | 2018-12-07 | 河北环亚线缆有限公司 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
| CN110033903A (en) * | 2019-05-17 | 2019-07-19 | 江苏亨通电力特种导线有限公司 | A kind of manufacturing method of aluminium packet invar steel core superalloy conductor |
-
2005
- 2005-04-14 CN CN 200520070731 patent/CN2798256Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834877A (en) * | 2010-06-24 | 2012-12-19 | 株式会社藤仓 | Electrical cable for use in automobiles |
| CN102834877B (en) * | 2010-06-24 | 2016-01-06 | 株式会社藤仓 | Electric wire for automobiles |
| US9349502B2 (en) | 2010-06-24 | 2016-05-24 | Fujikura Ltd. | Automotive wire |
| CN104425077A (en) * | 2013-09-08 | 2015-03-18 | 湖北鄂电萃宇电缆有限公司 | Aluminium conductor steel-reinforced photoelectric composite aerial insulated cable |
| CN105830171A (en) * | 2013-12-17 | 2016-08-03 | 日新制钢株式会社 | Composite twisted wire |
| CN105529651A (en) * | 2016-02-29 | 2016-04-27 | 中国电力工程顾问集团西南电力设计院有限公司 | 500kV power transmission line conductor capacity-increasing transformation method |
| CN108962430A (en) * | 2018-07-19 | 2018-12-07 | 河北环亚线缆有限公司 | A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire |
| CN110033903A (en) * | 2019-05-17 | 2019-07-19 | 江苏亨通电力特种导线有限公司 | A kind of manufacturing method of aluminium packet invar steel core superalloy conductor |
| WO2020232989A1 (en) * | 2019-05-17 | 2020-11-26 | 江苏亨通电力特种导线有限公司 | Manufacturing method for aluminum-clad invar steel core super thermal-resistant aluminum alloy conducting wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150414 Granted publication date: 20060719 |