CN101246762A - Copper-coated aluminum electromagnetic wire - Google Patents
Copper-coated aluminum electromagnetic wire Download PDFInfo
- Publication number
- CN101246762A CN101246762A CNA2007100104621A CN200710010462A CN101246762A CN 101246762 A CN101246762 A CN 101246762A CN A2007100104621 A CNA2007100104621 A CN A2007100104621A CN 200710010462 A CN200710010462 A CN 200710010462A CN 101246762 A CN101246762 A CN 101246762A
- Authority
- CN
- China
- Prior art keywords
- copper
- electromagnetic wire
- aluminum
- magnetic wire
- wire
- 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
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention is a copper-clad aluminum conductor magnetic wire, the inner core is aluminum wire clad with a layer of cylinder copper sheet, the magnetic wire can also be a magnetic wire having two or more parallel or winding copper-clad aluminum conductors, the magnetic wire is covered with an insulting layer. Or insulating materials such as paper, insulating paint or fiberglass are covered outside the conductor to form a magnetic wire with an insulating layer. The copper-clad aluminum core magnetic wire has same conductivity as that of same-sized copper-core magnetic wire having same size, light weight, processing simplicity and usage convenience, saves more than 80% copper, effectively lowers cost, and overcomes the following drawbacks: easy oxidability, high resistance, poor corrosion resistance and mechanical property of the aluminum-core magnetic wire.
Description
Technical field
The present invention relates to a kind of is electromagnetic wire with the copper clad aluminum conductor, is the electromagnetic wire of insulating material with polyvinyl chloride, polyethylene, crosslinked polyethylene or rubber.
Background technology
Present widely used copper core BLV is as electromagnetic wire with copper.China is the country of a copper resource shortage, and every year will be from a large amount of copper of external import.As the huge non-ferrous metal of a kind of demand, the copper valency on the international market is constantly soaring, and spot price rises violently 7.3 ten thousand yuan from 4.7 ten thousand yuan per ton of the beginning of the year from the beginning of this year.Economizing on copper and be not only the needs that enterprise reduces cost, also is the problem with national strategy meaning.
Aluminium is the non-ferrous metal that a kind of electric conductivity is only second to copper, and China has very abundant reserves and rich production and processing ability.In the lead of transmission of electricity usefulness, aluminium is used widely as the substitute of copper.Because the price of aluminium is far below copper, and the proportion of aluminium is littler than copper, the electromagnetic wire length that aluminium is made is more than three times of equivalent weight copper cash.But because the very easy oxidation in surface of aluminium, oxide layer is tougher, cause contact resistance big, and corrosion resistance and mechanical performance particularly intensity all are not so good as copper, and range of application is very limited.
Summary of the invention
The invention provides a kind of is the electromagnetic wire of electromagnetism core with the copper clad aluminum conductor, is the electromagnetic wire of electromagnetism core to substitute with copper or aluminium.
Technical scheme of the present invention is: copper-coated aluminum electromagnetic wire, it is characterized in that: electromagnetic wire is that heart is that aluminum steel is surrounded by one deck tubular copper sheet outward, form the electromagnetic wire of copper clad aluminum conductor, electromagnetic wire is surrounded by the insulation material layer of polyvinyl chloride or polyethylene or crosslinked polyethylene or rubber or oil-paper outward.Copper-coated aluminum electromagnetic wire of the present invention, the shape of its cross section can be circular oval or square; Make transformer in order to be more convenient for, copper-coated aluminum electromagnetic wire of the present invention, its electromagnetic wire is preferably the electromagnetic wire of rectangular cross section body, the electromagnetism core is that rectangular aluminum wire is surrounded by one deck rectangle tubular copper sheet outward, form the electromagnetism core of copper clad aluminum conductor, the outsourcing of electromagnetism core has the rectangle insulation material layer of polyvinyl chloride or polyethylene or crosslinked polyethylene or rubber or oil-paper.Technical scheme of the present invention is: by traditional technology, conductor is processed into uninsulated circle or flat electromagnetic wire, again with paper, insulating varnish and (or) insulating material such as glass fiber is coated on around the conductor, forms the electromagnetic wire that has insulating barrier.
Copper-coated aluminum electromagnetic wire is the bimetallic composite conductor that coats one deck uniform thickness copper sheet on the aluminium bar with one heart, by tension and compression, can form the copper-clad aluminum conductor of all size after coating.Copper aluminium border forms stronger melts combine (metallurgical binding), makes lead become as a whole.
Copper-coated aluminum electromagnetic wire of the present invention, copper cover aluminum have good conductivity, the intensity height of copper concurrently, and the density of aluminium is little, easily process plurality of advantages, self have again copper layer density evenly, characteristics such as high compactness, high extensibility.The present invention compares with the prior art scheme, and it is as follows to have effect: one, to compare with the copper electromagnetic wire of same specification, and the conductivity of copper-coated aluminum electromagnetic wire is identical, and is in light weight, and easily processing is easy to use, economizes on copper more than 80%, effectively reduces the cost of product; Its two, than good conductivity, the intensity height of aluminum electromagnetic wire, contact resistance is little, good corrosion resistance has wide range of applications.
Description of drawings
Accompanying drawing has been represented copper-coated aluminum electromagnetic wire structural representation of the present invention, wherein Fig. 1 is the cross-sectional structure schematic diagram of circular cross section copper-coated aluminum electromagnetic wire, and Fig. 2 is the perspective view of circular cross section copper-coated aluminum electromagnetic wire front end stripping of insulatin material layer.Fig. 3 is the cross-sectional structure schematic diagram of rectangular cross section copper-coated aluminum electromagnetic wire, and Fig. 4 is the perspective view of rectangular cross section copper-coated aluminum electromagnetic wire front end stripping of insulatin material layer.
Embodiment
Embodiment one, a kind of circular cross section copper-coated aluminum electromagnetic wire of the present invention (seeing Fig. 1, Fig. 2), the heart circle of electromagnetic wire is aluminum steel 6 outer cylindric copper sheet 5 electromagnetic wires of one deck that are surrounded by, formed the lead of copper clad aluminum conductor, single electromagnetic wire is surrounded by the insulation material layer 4 of polyvinyl chloride or polyethylene or crosslinked polyethylene or rubber outward.The production technology of embodiment and ordinary copper core electric wire is identical, promptly by plastic extruding machine insulating material is extruded in around the copper clad aluminum conductor, again through supercooling, after-combustion, lettering and packing, becomes the copper-coated aluminum electromagnetic wire finished product.
Embodiment two, a kind of rectangular cross section copper-coated aluminum electromagnetic wire of the present invention (seeing Fig. 3, Fig. 4), the heart 2 of electromagnetic wire is surrounded by one deck rectangle tubular copper sheet electromagnetic wire outward for rectangular aluminum wire, has formed the lead of copper clad aluminum conductor.With the copper clad aluminum conductor is raw material, by traditional technology, conductor is processed into uninsulated circle or flat electromagnetic wire, or with paper, insulating varnish and (or) insulating material 1 such as glass fiber is coated on around the conductor, forms the electromagnetic wire that has insulating barrier.Electromagnetic wire is wound in transformer coil and is immersed in the insulating oil, forms the insulation electromagnetic wire circle.It is identical, in light weight with the copper electromagnetic wire of same specification that copper-coated aluminum electromagnetic wire has conductivity, easily processing, easy to use, economize on copper more than 80%, effectively reduce product cost, avoided the easy oxidation of aluminum electromagnetic wire conductive surface again, contact resistance is big, the shortcoming of corrosion resistance and bad mechanical property.
Claims (3)
1. copper-coated aluminum electromagnetic wire, it is characterized in that: the electromagnetism core is that heart is that aluminum steel is surrounded by one deck tubular copper sheet outward, form the electromagnetism core of copper clad aluminum conductor, electromagnetic wire is surrounded by the insulation material layer of polyvinyl chloride or polyethylene or crosslinked polyethylene or rubber or oil-paper outward.
2. as the said copper-coated aluminum electromagnetic wire of claim 1, it is characterized in that: electromagnetic wire is the electromagnetic wire of rectangular cross section body, the electromagnetism core is that heart is that rectangular aluminum wire is surrounded by one deck rectangle tubular copper sheet outward, form the electromagnetism core of copper clad aluminum conductor, electromagnetic wire is surrounded by the rectangle insulation material layer of polyvinyl chloride or polyethylene or crosslinked polyethylene or rubber or oil-paper outward.
3. as the said copper-coated aluminum electromagnetic wire of claim 1, it is characterized in that: be parallel to each other or the copper clad aluminum conductor more than two or two that twines mutually between insulation material layer is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100104621A CN101246762A (en) | 2007-02-12 | 2007-02-12 | Copper-coated aluminum electromagnetic wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100104621A CN101246762A (en) | 2007-02-12 | 2007-02-12 | Copper-coated aluminum electromagnetic wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101246762A true CN101246762A (en) | 2008-08-20 |
Family
ID=39947139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100104621A Pending CN101246762A (en) | 2007-02-12 | 2007-02-12 | Copper-coated aluminum electromagnetic wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101246762A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702346B (en) * | 2009-12-01 | 2011-05-04 | 江苏精达里亚阿尔岗琴工程线有限公司 | Method for humidifying insulation paper |
-
2007
- 2007-02-12 CN CNA2007100104621A patent/CN101246762A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702346B (en) * | 2009-12-01 | 2011-05-04 | 江苏精达里亚阿尔岗琴工程线有限公司 | Method for humidifying insulation paper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201017703Y (en) | Aluminium covered with copper electromagnetical lines | |
| CN101086906A (en) | Aluminum core cable and line covered by copper | |
| CN201204093Y (en) | Cuprum-alclad conductor power cable | |
| CN201435232Y (en) | Paper-free insulated self-adhered polyvinyl acetal enameled copper-silver alloy transposed semihard lead | |
| CN101246762A (en) | Copper-coated aluminum electromagnetic wire | |
| CN2924731Y (en) | Copper-clad aluminiur wire cable | |
| CN201352463Y (en) | Novel rectangular insulation aluminum stranded wire for reactor | |
| CN201478065U (en) | Coil with multilayer winding | |
| CN201629202U (en) | Parallel composite transposition lead | |
| CN206505731U (en) | Printer flat electrical wire | |
| CN204834294U (en) | Dry -type air -core reactor winding | |
| CN101060024A (en) | Copper-clad aluminum conductor or copper-clad steel conductor cable | |
| CN2819402Y (en) | Conductive wire of electromagnetic coil | |
| CN202221664U (en) | Conductive wire core and power cable manufactured by using conductive wire core | |
| CN203260343U (en) | Insulated enamel-covered copper-clad aluminum wire of large high-voltage motor | |
| CN201302834Y (en) | Three-layer insulation stranded wires used for high-frequency coil | |
| CN203480854U (en) | Copper-clad aluminum core wire and cable | |
| CN201732602U (en) | Compound enameled aluminum transposition wire | |
| CN206293242U (en) | A kind of multi cord inductance | |
| CN202134222U (en) | Conductive wire core and power cable manufactured by the same | |
| CN2535994Y (en) | Electroluminescent wire | |
| CN202205557U (en) | Transformer winding | |
| CN205264361U (en) | Varnished cloth pencil | |
| CN213150545U (en) | Transformer coil insulation structure | |
| CN202711735U (en) | Three-layered tinned stranded insulation wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080820 |