CN202221664U - Conductive wire core and power cable manufactured by using conductive wire core - Google Patents
Conductive wire core and power cable manufactured by using conductive wire core Download PDFInfo
- Publication number
- CN202221664U CN202221664U CN 201120230257 CN201120230257U CN202221664U CN 202221664 U CN202221664 U CN 202221664U CN 201120230257 CN201120230257 CN 201120230257 CN 201120230257 U CN201120230257 U CN 201120230257U CN 202221664 U CN202221664 U CN 202221664U
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- wire core
- copper
- conductive wire
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Abstract
The utility model relates to a conductive wire core and a power cable manufactured by using the conductive wire core. The conductive wire core comprises three conductor layers from inside to outside, the first conductor layer is an axis copper wire conductor layer, the second conductor layer is a copper-clad aluminium wire or magnalium alloy wire or aluminium wire layer, and the third conductor layer is a copper wire wrapping layer. The utility model also relates to a power cable manufactured by using the conductive wire core, comprising the conductive wire core, an insulating material wrapping layer located on the outside of the conductive wire core, an armored material layer located on the outside of the insulating material wrapping layer and a sheath insulation layer located on the outside of the armored material layer. The power cable has the characteristics of material-saving, convenient manufacturing, simple technology, small loss, large tensile strength, strong conduction function, etc.
Description
Technical field
The utility model relates to a kind of conductor wire core structure and reaches the power cable by its manufacturing, and the lead of introducing unlike material especially is combined as the core of cable, and then produces the superior power cable of economical with materials and conduction function and tensile strength.
Background technology
Conductor is the most basic requisite main member that the electric wire product carries out electric current or electromagnetic wave information transfer function.Metal material such as copper, aluminium electric conductivity is good, and therefore, power cable adopts copper, aluminium, alloy material etc. as conductor material at present.The electric wire manufacturing is the industry of a conductor material through processing and assembling, and the copper product consumption is huge, and the Master Cost in the cable products will account for 70%～90% of total manufacturing cost; The classification of material therefor, kind are very many, and performance requirement is high especially, uses copper like conductor, require the purity of copper will be more than 99.99%, and the product that has will adopt the anaerobic high purity copper; And conductor material has accounted for 70%～80% of whole cable material cost.World's copper valency continuous rise has reached 70000 yuan/ton at present in recent years, causes the ratio of copper conductor material cost to rise to 80～95%.The cables manufacturing cost is high, and adopting new material and novel material structure core to form is that cable replaces fine copper imperative.
In addition; Generation higher harmonic current and energy can be injected in the electric power system in the at present used cable, in the impedance of system, produce the higher harmonic voltage of corresponding frequencies, and the waveform of causes voltage distorts; Increase the loss of electric power system, the conductor heating is increased; Cable amplifies harmonic wave, produces overvoltage in the joint and damages cable end; Receive the influence of skin effect and proximity effect, the AC resistance of cable is also bigger.
The utility model content
The technical problem that the utility model will solve is very to weak point of the prior art, a kind of novel conductive core is provided and by the power cable of its manufacturing.This cable has economical with materials, easily manufactured, characteristics such as technology is simple, loss is little, tensile strength is big, conduction function is strong.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is this conductor wire core; Comprise three layers of conductor structure from inside to outside; The ground floor conductor is an axle center copper wires conductor layer, and second layer conductor is copper cover aluminum wire rod or magnadure wire rod or aluminium wire layer, and the 3rd layer of conductor is the copper wires coating layer; The ground floor conductor is by copper wires or copper wires is stranded constitutes, and second layer conductor is formed by the wrapped ground floor conductor of one deck copper-clad aluminum conductor material or magnadure wire rod or aluminium wire at least, and the 3rd layer of conductor formed by the wrapped second layer conductor of one deck copper wires at least.
By the made power cable of this conductor wire core, comprise conductor wire core, be positioned at the conductor wire core outside the insulating material coating layer, be positioned at the armoring material layer in the insulating material coating layer outside and the jacket insulation layer that is positioned at the armoring material layer outside.Said insulating material coating layer material is a polyethylene, and said jacket insulation layer material is a polypropylene, and said armoring material layer material is a steel-tape armouring.
Compare with the copper core cable of constructed index, novel core structure conductor cable is cost-saved more than 30%.The proportion of novel core is merely the 37%-40% of pure copper wire.
Adopt this core structure can reduce the effect of the AC impedance of high order harmonic component generation.Adopt novel core structure; Considered that not only aluminium does not all have copper responsive to skin effect and proximity effect, the resistance value ratio of aluminium is bigger in the D.C. resistance, also considers that the copper composite conductor can make the conductor total cross section increase and then increases factors such as surface of conductors is long-pending simultaneously; Improved the radiating condition of cable; Increased area of dissipation, under equal material cost condition, it is much economical that the index of AC resistance is wanted.
Adopt this core structure; Help avoiding cable in long-term use since burn into is damaged or because of press, soldering connects badly makes conductor and binding post loose contact, generate heat cause that the copper pull-up falls and two kinds of metals of copper aluminium between form electrical potential difference; Quicken couple corrosion, the hidden danger that causes cable end to burn.For aluminium conductor, particularly in the coastal area, the chloride ion that salt fog contained in the atmosphere can condense upon the surface of aluminium; Be prone to cause local corrosion on every side in the impurity and the defective on surface; Form hole, crackle and micro cell, the corrosion of aggravation aluminium conductor, the novel core that the present invention relates to has also been considered these natural factors; Make convenient welding not injure the outside material of copper cover aluminum or alloy material, make cable in installing and using, have more superiority and practicality.
In addition, adopt the assemble line core conductor can satisfy at present continued power cable for many years in the custom of aspects such as product type selecting, design, use, installation, also the binding post to cable presses, soldering is connected to profit.Therefore novel core has with the same solderability of pure copper wire, convenient construction because its surface has coated one deck fine copper with one heart.
Description of drawings
Fig. 1 is the utility model transverse sectional view.
Fig. 2 is the utility model longitudinal cross-section sketch map.
Among the figure, 1 is the ground floor conductor, and 2 is second layer conductor, and 3 is the 3rd layer of conductor, and 4 is the insulating material coating layer, and 5 is the armoring material layer, and 6 is the jacket insulation layer.
Embodiment
Be described further below in conjunction with the execution mode of accompanying drawing the utility model.
The conductor wire core of the utility model can be divided into three deck wire structures from inside to outside, and ground floor conductor 1 is by copper wires or copper wires is stranded constitutes, as center conductor; Second layer conductor 2 is to be formed by wrapped this ground floor conductor of copper cover aluminum wire rod, also can use magnadure wire rod or aluminium wire Alloy instead of Copper alclad wire rod to form this layer conductor; The 3rd layer of conductor 3 is to be formed by wrapped this second layer conductor of copper wires.
The power cable that the conductor wire core of the utility model is processed, center are conductor wire core, and conductor wire core outside coated insulation material coating layer 4 is armoring material layers 5 in insulating material coating layer 4 outsides, and the armoring material layer is outward outermost jacket insulation layer 6.The material that insulating material coating layer 4 is adopted is a polyethylene, and the material that jacket insulation layer 6 adopts is a polypropylene, and armoring material layer 5 adopts steel-tape armouring.
Along with the increase of different voltages with different grade, cross-sectional area of conductor can be selected different line, and add man-hour according to the design of cable operation technique parameter at cable, the reasonable combination that calculates core reaches practical requirement.
Claims (5)
1. conductor wire core, it is characterized in that: comprise three layers of conductor structure from inside to outside, the ground floor conductor is an axle center copper wires conductor layer, and second layer conductor is copper cover aluminum wire rod or magnadure wire rod or aluminium wire layer, and the 3rd layer of conductor is the copper wires coating layer.
2. conductor wire core according to claim 1; It is characterized in that: said ground floor conductor is by copper wires or copper wires is stranded constitutes; Said second layer conductor is formed by the wrapped said ground floor conductor of one deck copper-clad aluminum conductor material or magnadure wire rod or aluminium wire at least, and said the 3rd layer of conductor formed by the wrapped said second layer conductor of one deck copper wires at least.
3. one kind by claim 1 or the made power cable of 2 described conductor wire cores, it is characterized in that comprising said conductor wire core, be positioned at the said conductor wire core outside the insulating material coating layer, be positioned at the armoring material layer in the said insulating material coating layer outside and the jacket insulation layer that is positioned at the said armoring material layer outside.
4. a kind of power cable according to claim 3 is characterized in that: said insulating material coating layer material is a polyethylene, and said jacket insulation layer material is a polypropylene.
5. a kind of power cable according to claim 3 is characterized in that: said armoring material layer material is a steel-tape armouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120230257 CN202221664U (en) | 2011-07-01 | 2011-07-01 | Conductive wire core and power cable manufactured by using conductive wire core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120230257 CN202221664U (en) | 2011-07-01 | 2011-07-01 | Conductive wire core and power cable manufactured by using conductive wire core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221664U true CN202221664U (en) | 2012-05-16 |
Family
ID=46043687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120230257 Expired - Lifetime CN202221664U (en) | 2011-07-01 | 2011-07-01 | Conductive wire core and power cable manufactured by using conductive wire core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021873A (en) * | 2014-05-14 | 2014-09-03 | 北京联合大学 | High-tensile-strength circular conductor capable of reducing alternating-current resistance |
| CN112397244A (en) * | 2020-11-10 | 2021-02-23 | 长沙理工大学 | Novel high-frequency alternating-current transmission simple cable structure based on wind-solar complementation |
-
2011
- 2011-07-01 CN CN 201120230257 patent/CN202221664U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021873A (en) * | 2014-05-14 | 2014-09-03 | 北京联合大学 | High-tensile-strength circular conductor capable of reducing alternating-current resistance |
| CN112397244A (en) * | 2020-11-10 | 2021-02-23 | 长沙理工大学 | Novel high-frequency alternating-current transmission simple cable structure based on wind-solar complementation |
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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: 20120516 |
|
| CX01 | Expiry of patent term |