CN203444776U - Electric wire and cable conductor - Google Patents
Electric wire and cable conductor Download PDFInfo
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- CN203444776U CN203444776U CN201320087499.5U CN201320087499U CN203444776U CN 203444776 U CN203444776 U CN 203444776U CN 201320087499 U CN201320087499 U CN 201320087499U CN 203444776 U CN203444776 U CN 203444776U
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- copper
- aluminium alloy
- wire
- conductor
- electric wire
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Abstract
The utility model provides an electric wire and cable conductor. According to the electric wire and cable conductor, an oxide layer (thin, with very little resistance) of copper and aluminum alloy is reserved as an isolating protective layer to prevent electrochemical reaction; the cooperation of copper and aluminum alloy (i.e., aluminum magnesium alloy, rare earth aluminum alloy) is an overlapped combination. With the division of isolating protective layer, the copper and aluminum alloy are formed into two relatively separate conductors yet with equal potentials, wherein no electromagnetic interference is generated between the two conductors, and effects of uniform current density distribution is substantially improved. The electric wire and cable conductor is suitable for varies electric wires and conductors on different voltage levels.
Description
Technical field
The utility model relates to the electric wire that a kind of electric wire and cable conductor is applicable to various electric pressures.
Background technology
Existing wires and cables industry, in order to improve ampacity, to fall cost, has proposed high-strength copper-coated aluminum cable conductor, expanding steel-cored aluminium twisted wire, hollow core cable, high voltage hollow cable, combined conductor power cable, multiple fission copper or aluminium busbar.But do not find a more resultful way of falling cost, improving ampacity.It is the conductor that has insulation isolation between copper, aluminium, copper cover aluminum, copper aluminium that the conductor of above-mentioned series products adopts, its shortcoming:
1. copper ampacity is little, temperature rise, and cost is high.
2. aluminium ampacity is little, temperature rise, and aluminium conductance is more poor and oxidizable than relative with copper.
3. copper cover aluminum ampacity is little, temperature rise, copper cover aluminum complex process, be metallurgical binding (being used in conjunction with of prior art copper and aluminium must be metallurgical binding, not so has electrochemical reaction), the adhesiveness of copper aluminium is that copper and aluminium are not stratified, be an integral body, electric current distribution is inhomogeneous.Isometrical copper cash is compared with copper-clad aluminum conductor, and copper cash is larger than copper-clad aluminum conductor ampacity, and isometrical copper cover aluminum cable is compared not energy-conservation with copper cable, and waste and old CCA electric wire is in recovery, and copper aluminum separation technique is complicated, seriously polluted.
4. the shortcoming of multiple fission copper or aluminium busbar: ampacity is little, temperature rise, having insulation isolation between copper aluminium, and the reaction of copper Al electrochemical has solved, but copper, aluminium are two independent conductors, equipotential not, the electromagnetic field phase mutual interference between two conductors, reduces ampacity mutually.
Summary of the invention
The purpose of this utility model is the shortcoming that overcomes prior art; (oxide layer is very thin for the bulk oxidation layer of proposition reservation copper and aluminium alloy; resistance is very little) as isolated protective layer; prevent electrochemical reaction; it is overlap joint combination that copper coordinates with aluminium alloy (as almag, rare earth aluminium alloy), and by the division of isolated protective layer, copper, aluminium alloy form two relatively independent but conductors that current potential is equal; can not produce electromagnetic interference each other, the even effect of electric current distribution improves greatly.
Realize the technical scheme of the utility model object: a kind of electric wire and cable conductor of the utility model is that for: conductor, to adopt outer contact be that copper, inner conductor are aluminium alloys, with the bulk oxidation layer of copper, aluminium alloy as isolated protective layer, conductor structure has copper sheathing aluminium alloy bars (major diameter is rod, and it is line that diameter is less than 5mm), copper strand aluminium alloy wire, hole enlargement copper strand aluminium alloy stranded conductor, copper strand steel core aluminum alloy stranded wire, hole enlargement copper strand steel core aluminum alloy stranded wire; Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
The beneficial effects of the utility model are: a kind of electric wire and cable conductor is as isolated protective layer with the bulk oxidation layer of copper and aluminium alloy; it is overlap joint combination that copper coordinates with aluminium alloy, and the even effect of electric current distribution is than having the conductor of insulation isolation good between copper, aluminium, copper cover aluminum (combination of the copper metallurgy of aluminium), copper aluminium.1. isometrical copper cash is compared with copper sheathing aluminium alloy wire, and copper sheathing aluminium alloy wire ampacity is large, and temperature rise is low; 2. isometrical copper rod is compared with copper sheathing aluminium alloy bars, and copper sheathing aluminium alloy bars ampacity is large, and temperature rise is low; 3. isometrical copper stranded conductor is compared with copper strand aluminium alloy wire, and copper strand aluminium alloy wire ampacity is large, and temperature rise is low.A kind of electric wire and cable conductor is larger than there being the conductor ampacity of insulation isolation between copper, aluminium, copper cover aluminum, copper aluminium, and temperature rise is low.The application that metal oxide layer is done isolated protective layer has realized and has improved the energy-saving effect that ampacity, temperature rise are low, fall cost.
Below in conjunction with accompanying drawing, the utility model is further described
accompanying drawing explanation
Accompanying drawing 1 is the structural representation of copper sheathing aluminium alloy bars of the present utility model;
Accompanying drawing 2 is the structural representation of copper strand aluminium alloy wire of the present utility model;
Accompanying drawing 3 is the structural representation of hole enlargement copper strand aluminium alloy wire of the present utility model;
Accompanying drawing 4 is the structural representation of copper strand steel core aluminum alloy stranded wire of the present utility model;
Accompanying drawing 5 is the structural representation of hole enlargement copper strand steel core aluminum alloy stranded wire of the present utility model;
In accompanying drawing 1: 1. copper sheathing, 2. aluminium alloy bars.
In accompanying drawing 2: 1. copper stranded conductor, 2. aluminium alloy stranded conductor.
In accompanying drawing 3: 1. copper stranded conductor, 2. aluminium alloy stranded conductor, 3. hole enlargement foamed plastic.
In accompanying drawing 4: 1. copper stranded conductor, 2. aluminium alloy stranded conductor, 4 steel strand wire.
In accompanying drawing 5: 1. copper stranded conductor, 2. aluminium alloy stranded conductor, 3. hole enlargement foamed plastic, 4. steel strand wire.
embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Figure 1, a kind of electric wire and cable conductor of the present utility model, make the method for copper sheathing aluminium alloy bars, line: the bulk oxidation layer that retains copper sheathing (1) and aluminium alloy bars (2), copper sheathing (1) is enclosed within on aluminium alloy bars (2), by pipe mill, by copper sheathing (1) and aluminium alloy bars, (2) mechanical bond, copper sheathing (1) wants face to contact with aluminium alloy bars (2).Above-mentioned copper sheathing (1) also available copper strips is done material, with copper strips, is evenly coated on aluminium alloy bars, and the seam welding of copper strips is become to copper sheathing (1).The wall thickness of described copper sheathing (1) is determined (0.1mm-10mm) according to size of current, and the diameter of aluminium alloy bars (2) is determined (1mm-100mm) according to size of current.Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Production process as stated above, copper sheathing aluminium alloy bars can be made into sleeve pipe, bus, and copper sheathing aluminium alloy wire can be made into electric wire.
As shown in Figure 2, a kind of electric wire and cable conductor of the present utility model, make the method for copper strand aluminium alloy: the bulk oxidation layer that retains copper stranded conductor and aluminium alloy stranded conductor, in the upper twisted copper wires (1) of aluminium alloy wire (2), the sectional area of copper cash (1) can account for 1%～90% of copper strand aluminium alloy wire total sectional area according to size of current.Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Production process as stated above, copper strand aluminium alloy wire can be made into cable, soft bus.
As shown in Figure 3, a kind of electric wire and cable conductor of the present utility model, make the method for hole enlargement copper strand aluminium alloy wire: the bulk oxidation layer that retains copper stranded conductor and aluminium alloy stranded conductor, the material of hole enlargement adopts foamed plastic (3), make round bar, also can make pipe, stranded aluminium alloy wire (2) on circle bar, in the upper twisted copper wires (1) of aluminium alloy wire (2) of hole enlargement, the sectional area of copper cash (1) can account for 1%～90% of hole enlargement copper strand aluminium alloy wire total sectional area according to size of current.The sectional area of hole enlargement accounts for 1%～90% of hole enlargement copper strand aluminium alloy wire total sectional area.Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Production process as stated above, hole enlargement copper strand aluminium alloy wire can be made into cable, soft bus.
As shown in Figure 4, a kind of electric wire and cable conductor of the present utility model, make the method for copper strand steel core aluminum alloy stranded wire: the bulk oxidation layer that retains copper stranded conductor and steel core aluminum alloy stranded wire, at the stranded aluminium alloy wires of steel strand wire (4) (2), twisted copper wires (1) on the stranded steel steel core aluminum alloy stranded wire completing.The sectional area of copper cash (1) can account for 1%～90% of steel core copper strand aluminium alloy wire total sectional area according to size of current.Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Production process as stated above, copper strand steel core aluminum alloy stranded wire can be made into soft bus, overhead wire.
As shown in Figure 5, a kind of electric wire and cable conductor of the present utility model, make the method for hole enlargement copper strand steel core aluminum alloy stranded wire: the bulk oxidation layer that retains copper stranded conductor and steel core aluminum alloy stranded wire, on steel strand wire, (4) upper extrusion foaming plastics (3) are as circular hole enlargement, at the upper stranded aluminium alloy wire (2) of circular hole enlargement foamed plastic (3), in the upper twisted copper wires (1) of aluminium alloy wire (2) of hole enlargement, the sectional area of copper cash (1) can account for 1%～90% of hole enlargement steel core copper strand aluminium alloy wire total sectional area according to size of current.The sectional area of hole enlargement accounts for 1%～90% of hole enlargement steel core copper strand aluminium alloy wire total sectional area.Above-mentioned conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Production process as stated above, hole enlargement copper strand steel core aluminum alloy stranded wire can be made into soft bus, overhead wire.
Claims (6)
1. an electric wire and cable conductor, its feature: retain copper with the bulk oxidation layer of aluminium alloy as isolated protective layer, copper is to overlap combination with coordinating of aluminium alloy.
2. electric wire and cable conductor according to claim 1, is characterized in that: copper sheathing aluminium alloy bars, and the wall thickness of copper sheathing (1) is 0.1mm-10mm, the diameter of aluminium alloy bars (2) is 1mm-100mm.
3. electric wire and cable conductor according to claim 1, its feature: copper strand aluminium alloy wire, the sectional area of copper stranded conductor (1) can account for 1%～90% of copper strand aluminium alloy wire total sectional area according to size of current.
4. electric wire and cable conductor according to claim 1, its feature: hole enlargement copper strand aluminium alloy wire, the sectional area of copper stranded conductor (1) can account for 1%～90% of hole enlargement copper strand aluminium alloy wire total sectional area according to size of current, and the sectional area of hole enlargement accounts for 1%～90% of hole enlargement copper strand aluminium alloy wire total sectional area.
5. electric wire and cable conductor according to claim 1, its feature: the sectional area of copper strand steel core aluminum alloy stranded wire copper stranded conductor (1) can account for 1%～90% of steel core copper strand aluminium alloy wire total sectional area according to size of current.
6. according to the electric wire and cable conductor one of claim 2-5 Suo Shu, its feature: conductor according to electric pressure need can be on conductor additional insulating barrier or shield dielectric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320087499.5U CN203444776U (en) | 2013-02-26 | 2013-02-26 | Electric wire and cable conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320087499.5U CN203444776U (en) | 2013-02-26 | 2013-02-26 | Electric wire and cable conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444776U true CN203444776U (en) | 2014-02-19 |
Family
ID=50095804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320087499.5U Expired - Lifetime CN203444776U (en) | 2013-02-26 | 2013-02-26 | Electric wire and cable conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444776U (en) |
-
2013
- 2013-02-26 CN CN201320087499.5U patent/CN203444776U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |