CN205692581U - The compact conductor structure of copper aluminum blended electric power cable - Google Patents
The compact conductor structure of copper aluminum blended electric power cable Download PDFInfo
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- CN205692581U CN205692581U CN201620598402.0U CN201620598402U CN205692581U CN 205692581 U CN205692581 U CN 205692581U CN 201620598402 U CN201620598402 U CN 201620598402U CN 205692581 U CN205692581 U CN 205692581U
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- conductor
- aluminum
- copper
- core
- electric power
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- 239000004020 conductor Substances 0.000 title claims abstract description 134
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 54
- 229910052802 copper Inorganic materials 0.000 claims abstract description 54
- 239000010949 copper Substances 0.000 claims abstract description 54
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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- Non-Insulated Conductors (AREA)
Abstract
The utility model discloses the compact conductor structure of a kind of copper aluminum blended electric power cable, conductor wire core includes multiply copper clad aluminum conductor, aluminum or aluminum alloy conductor and a small amount of full copper conductor；The round conductors such as multiply first retrain its arrangement position with single twist cabling machine by twisted wire pressing mold, make core each cross-sectional area of conductor circumference the most tangent, stranded after core be squeezed into hexagonal by drawing-die, the additional packing material of core and outer jacket so that the structure of stranding is compacter；Conductor is staggered more than three rows at vertical direction, the middle copper clad aluminum conductor that uses, and the connection of whole cable core outer layer each round conductor tangent straight line obtains hexagon, and its hexagon summit arranges copper cover aluminum or full copper conductor.On the premise of meeting equal electric property, the weight of use aluminium alloy conductor is the half of copper conductor, and its cross section is 1.1～1.25 times of traditional copper conductor, and price is than traditional copper conductor low 20～30%, and copper cover aluminum has again the solderability that copper conductor is the same.
Description
Technical field
This utility model relates to the compact conductor structure of a kind of copper aluminum blended electric power cable, specifically, relates to electric power electricity
The restriction of different materials conductor arrangement position in cable, and conductor wire core cross section hexagon in a center of symmetry after stranded extruding.
Background technology
In operation power, the application of laying of cable run is indispensable, and tradition copper material core is main power cable
Cost remains high, the most unfavorable for urban and rural power grids construction and the economic interests of transformation and long-run development.Therefore, cable is led
Body uses the improvement of material just to seem the most necessary, and copper cover aluminum cable is exactly that exploitation application are come rapidly in this case.
Meanwhile, along with the formal issue of aluminium alloy cable standard GB/T/31840-2015, the confusion of aluminum and aluminium alloy cable industry will
Obtain specification and accreditation.Copper clad aluminum conductor can meet electric wire product type selection, design, use, the custom of the aspect such as installation,
Also the binding post to cable press, tin welding favourable.It is contemplated that the mixed structure of copper cover aluminum and aluminum or aluminum alloy will be walked
To standardization and engineer applied, drive the development of whole industry.
Chinese utility model patent CN2906841Y discloses a kind of copper-aluminum composite conductor cable, and conductor central area is by aluminum
Conductor strand forms, and periphery is stranded has copper conductor or by copper, aluminium conductor mixing strand system.In Chinese utility model patent
CN203746443U also open a kind of closely copper aluminum mixed structure cable conductor, outside the inner surface of copper sheathing conductor is with aluminum post conductor
Combining closely between surface, copper sheathing conductor can be by many copper conductor closing lay, and aluminum post conductor is made up of at least aluminium conductor.
In above-mentioned two cable prior aries, due to copper, aluminium conductor before and after stranding process without constraint, the most solid lead
Body or stranded conductor, can form space between internal layer and sublevel, increases contact resistance；And claim does not use smelting completely
The copper clad aluminum material of aurification so that it is the requirement of D.C. resistance cannot be met in the outside dimension upper limit of same specification conductor.Additionally,
Based on kelvin effect principle and the galvanic corrosion problems of copper aluminum, copper, aluminium conductor arrangement position can not set, such as center and outer weekly form
Face, the economic indicator of joint copper cost declining is restricted.Certainly, if using confrontational polygon conductor wire core, need at electricity
Cable twisting process flow process is improved frock, is suitable to press the connection modes of binding post or welding, in strand cable, effect
Fruit is more preferably.
Summary of the invention
The problem that this utility model exists for above-mentioned prior art makes improvements, technology the most to be solved in the utility model
Problem is to provide the compact conductor structure of a kind of copper aluminum blended electric power cable, and this conductor wire core is based on aluminum or aluminum alloy conductor
Body, is distributed in copper cover aluminum or a small amount of copper conductor between aluminum or aluminum alloy conductor by different compound modes, ensures by frock
The stranded arrangement position pressing rear conductor, thus obtain the most reasonable, most economical power cable.
For solving above-mentioned technical problem, the compact conductor structure of this utility model copper aluminum blended electric power cable includes copper-clad
Aluminium conductor, aluminum or aluminum alloy conductor and a small amount of copper conductor, the round conductor such as multiply is first retrained by twisted wire pressing mold with single twist cabling machine
The arrangement position of conductor, makes core conductor be adjacent to each other circumscribed, center constitute centrosymmetric multilamellar hexagonal groups to surrounding
Zoarium, i.e. constitutes " niStar is handed over ", wherein: ni= ni-1+ ix6(n1=7, i are the number of plies, and i value is the integer not less than 2).After stranded
Core is squeezed into centrosymmetric hexagonal by drawing-die.Hexagon core conductor crosses row's central series on a wherein summit, uses
Copper clad aluminum conductor, remaining four summit conductor arranges copper cover aluminum or full copper conductor, the adjacent both sides of central series aluminum arranged in parallel or aluminum close
Gold conductor, number of conductors reduces one, and adjacent conductor arranges by that analogy.Hexagonal core uses die cavity to be hexagonal drawing-die
Shape so that every conductor presses commitment positions uniform-compression, and the most radially extruding reaches compacted mass effect.
As further improvement of the utility model, in conductor structure, hexagonal core conductor central series two endvertex, adopts
Use full copper conductor.
Improve as another kind of the present utility model, one, conductor structure center or seven copper clad aluminum conductors of solid matter, adjacent
Circumference outer layer arrangement aluminum or aluminum alloy conductor, is the most often separated by a circle arrangement and needs more than one copper clad aluminum conductor,
The every angle point of outermost layer arranges copper clad aluminum conductor.For protection ground wire or the neutral conductor of multicore cable, conductor structure arrangement is all adopted
Use aluminum or aluminum alloy conductor.
When this utility model is further improved again, stranded after conductor wire core extruded by drawing-die after, whole copper-clads
The circular cross-section of aluminium conductor, aluminum or aluminum alloy conductor and copper conductor becomes irregular polygonal cross-section.
Single from volume conductance consideration, aluminum or aluminum alloy, not as good as copper, uses unconventional compacting techniques, makes to press coefficient and reaches
To 0.92, and pressing coefficient and reaching 0.94 of special-shaped line, pressed by maximum, copper, aluminum surface can be made the most embedding
Tightly, reducing contact resistance, improve volume conductance, this frame mode and manufacturing process significantly reduce core external diameter, same
Deng conductor diameter in the case of current-carrying capacity only than copper cable big 10%.
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 shows that copper aluminum its conductor wire core of blended electric power cable is that the first embodiment of this utility model is non-and presses strand
Close the structural representation of round conductor.
Fig. 2 is the non-structural representation pressing stranded round conductor of this utility model the second embodiment.
Fig. 3 is the non-structural representation pressing stranded round conductor of the third embodiment of this utility model.
Fig. 4 is to represent the structural representation that the first embodiment of this utility model presses stranded hexagon conductor.
Detailed description of the invention
Fig. 1 is that the first embodiment is non-presses stranded round conductor structural representation, for sake of convenience, it is illustrated that in Shu Zhi
Between a row have copper clad aluminum conductor 1, both sides are aluminum or aluminum alloy conductor 2, and outer layer hexagon drift angle has copper conductor 3 or copper clad aluminum conductor
1；Conductor wire core use 37 irregular stranded with cross section wire, need twisted wire pressing mold position constraint, tangent between wire subtract
Having lacked wire area occupied, reduced the physical dimension of cable, the covered wire of outer layer makes conductor wire core cross section become regular hexagon.Conductor
More than vertical direction is staggered three rows, conductor is the most parallel, the most described hexagon each limit arrangement conductor with identical tiltedly
Rate arrangement conductor is parallel, and staggered translation distance is round conductor radius.
Showing the non-structural representation pressing stranded round conductor of the second embodiment in Fig. 2, it exists with Fig. 1 difference
In having lacked outer layer conductor, become 19 copper clad aluminum conductors 1 and the conductor wire core of aluminum or aluminum alloy conductor 2 composition.Shown in Fig. 3
The third embodiment non-structural representation pressing stranded round conductor, center radiating condition is worst, uses conductivity high
Seven copper clad aluminum conductors 1, adjacent circumferential outer layer arrangement aluminum or aluminum alloy conductor, outer layer hexagon drift angle has copper cover aluminum to lead equally
Body 1, it is ensured that the reliability of plugging into when binding post crimps or welds after stranding.
Shown in Fig. 4 is the first embodiment structural representation of pressing stranded hexagon conductor, because leading stranded
While body, outer layers Hexagonal close is squeezed into hexagonal prism body, and making the variation of common round conductor is the hexagon pressed, hexagon
Drift angle has extrusion process circular arc, and other also includes packing material 4 and oversheath 5, and this kind of conductor is mainly used in power cable.
The foregoing is only preferred embodiment of the present utility model, rather than this utility model is done any pro forma limit
System, those skilled in the art can impose change and the improvement of various equivalent on the basis of above-described embodiment, all wants in right
The equivalent variations done in the range of asking or modification, within all should falling into protection domain of the present utility model.
Claims (4)
1. a compact conductor structure for copper aluminum blended electric power cable, conductor wire core includes that copper clad aluminum conductor, aluminum or aluminum alloy are led
Body and copper conductor, first retrain the arrangement position of the round conductors such as multiply with single twist cabling machine by twisted wire pressing mold, it is characterised in that: described
Conductor is adjacent to circumscribed each other, center constitute centrosymmetric multilamellar hexagon core conductor, hexagon core conductor to surrounding
Crossing row's central series on a wherein summit, use copper clad aluminum conductor, remaining four summit conductor arranges copper cover aluminum or full copper conductor；In
The heart arranges adjacent both sides aluminum or aluminum alloy arranged in parallel conductor, and its number of conductors reduces one, and adjacent conductor arranges by that analogy；Strand
Conductor wire core after conjunction is squeezed into hexagonal by drawing-die.
2. according to the compact conductor structure of the copper aluminum blended electric power cable described in claim 1, it is characterised in that: described conductor is tied
In structure, hexagonal core conductor central series two endvertex, uses full copper conductor.
3. according to the compact conductor structure of the copper aluminum blended electric power cable described in claim 1, it is characterised in that: described conductor is tied
One, structure center or seven copper clad aluminum conductors of solid matter, adjacent circumferential outer layer arrangement aluminum or aluminum alloy conductor, radially every phase
Needing more than one copper clad aluminum conductor every a circle arrangement, the every angle point of outermost layer arranges copper clad aluminum conductor.
4. according to the compact conductor structure of the copper aluminum blended electric power cable described in claim 1, it is characterised in that: described stranded after
Conductor wire core extruded by drawing-die after, the circular cross-section of copper clad aluminum conductor, aluminum or aluminum alloy conductor and copper conductor becomes not advising
Polygonal cross-section then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598402.0U CN205692581U (en) | 2016-06-20 | 2016-06-20 | The compact conductor structure of copper aluminum blended electric power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598402.0U CN205692581U (en) | 2016-06-20 | 2016-06-20 | The compact conductor structure of copper aluminum blended electric power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692581U true CN205692581U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620598402.0U Active CN205692581U (en) | 2016-06-20 | 2016-06-20 | The compact conductor structure of copper aluminum blended electric power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659063A (en) * | 2018-12-04 | 2019-04-19 | 西安西电光电缆有限责任公司 | It is tethered at cable, be tethered at unmanned thermomechanical components and is tethered at UAV system |
| CN110473652A (en) * | 2018-05-09 | 2019-11-19 | 江苏宝安电缆有限公司 | A kind of heat tracing electric cable of submersible pump |
| CN111263824A (en) * | 2018-01-12 | 2020-06-09 | 古河电气工业株式会社 | Stranded conductor for insulated wire, flexible wire and cable |
-
2016
- 2016-06-20 CN CN201620598402.0U patent/CN205692581U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263824A (en) * | 2018-01-12 | 2020-06-09 | 古河电气工业株式会社 | Stranded conductor for insulated wire, flexible wire and cable |
| CN110473652A (en) * | 2018-05-09 | 2019-11-19 | 江苏宝安电缆有限公司 | A kind of heat tracing electric cable of submersible pump |
| CN109659063A (en) * | 2018-12-04 | 2019-04-19 | 西安西电光电缆有限责任公司 | It is tethered at cable, be tethered at unmanned thermomechanical components and is tethered at UAV system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231113 Address after: Yadu Village, Chibusu Town, Mao County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan 623200 Patentee after: Sichuan Hope Hydropower Development Co.,Ltd. Address before: No. 168, xihanggang hope road, Shuangliu, Chengdu, Sichuan 610225 Patentee before: CHENGDU SHENLAN HIGH TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |