CN203433881U - Scandium-contained aluminium alloy conductor-based low-voltage power cable - Google Patents
Scandium-contained aluminium alloy conductor-based low-voltage power cable Download PDFInfo
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- CN203433881U CN203433881U CN201320570456.2U CN201320570456U CN203433881U CN 203433881 U CN203433881 U CN 203433881U CN 201320570456 U CN201320570456 U CN 201320570456U CN 203433881 U CN203433881 U CN 203433881U
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- 239000004020 conductor Substances 0.000 title claims abstract description 56
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 5
- -1 scandium-aluminum Chemical compound 0.000 claims description 12
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 abstract description 13
- 239000004411 aluminium Substances 0.000 abstract description 11
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract description 2
- 239000004703 cross-linked polyethylene Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 229910052706 scandium Inorganic materials 0.000 description 8
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Abstract
The utility model discloses a scandium-contained aluminium alloy conductor-based low-voltage power cable. Power cores and a ground core are twisted to form a cable core; a filling layer is arranged in the gap of the cable core; a polyester tape wrapping layer is arranged outside the cable core and the filling layer; and a polyvinyl chloride outer sheath is arranged at the outermost layer of the cable. Besides, the power cores are formed by power core conductors and power core insulation layers extruded at the outer layers of the power core conductors; and the power core conductors use scandium-contained aluminium alloy conductors and the power core insulation layers employ crosslinked polyethylene insulation layers. Because of utilization of the aluminium alloy conductors as the power core conductors, on the one hand, some defects caused by utilization of pure aluminium for the cable conductor can be overcome and the advantages of creep deformation resistance, high flexibility, strong extension, low rebounding and stable connection and the like are realized; and on the other hand, the cable cost can be reduced by 50%.
Description
Technical field:
The utility model relates to a kind of scandium-aluminum alloy conductor lv power cable, is specifically related to aluminium alloy conductor rated voltage 0.6/1kV power cable, belongs to technical field of electric wires and cables.
Background technology:
Along with the development of China's industry, China enters Electrification Age comprehensively at present, and power cable use amount is also increasing, and the conductor main component of manufacturing cable is copper, accounts for approximately 70% of total copper consumption.But China's copper resource is very short, along with the exhaustion of COPPER IN CHINA resource, COPPER IN CHINA 80% needs import, and dependence is large.Along with constantly riseing of copper valency, it with aluminium substitution copper, is the inexorable trend of electric wire development.The electric wire of France more than 80% is aluminium conductor, and the aluminum conductor of Japan also accounts for more than 50%.China's bauxite resource is very abundant, but application quantity is less than 1%, main or because due to aluminum conductor manufacturing technology immature, therefore obtaining technical breakthrough is the key addressing this problem.
Past fine aluminium exists a lot of not enough as electric wire and cable conductor, be rarely used in insulated wire cores, for being drawn into thinner wire rod, is used as wiring, electromagnetic wire and telecommunication cable, especially difficulty.Because the mechanical performances such as the intensity of aluminium and elongation can not meet requirement, so domestic aluminium conductor is all as aerial condutor substantially, be rarely used in and prepare cable insulation core, also there is no up to now a kind ofly there is excellent electric conductivity, cheap electric conducting material as the conductor of power cable.
Summary of the invention:
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of scandium-aluminum alloy conductor lv power cable, power line core conductor adopts aluminium alloy conductor, having solved on the one hand fine aluminium in the past exists a lot of not enough as electric wire and cable conductor, there is the advantages such as creep resistant, high pliable and tough, strong extension, low bounce-back, stable connection, also reduced on the other hand the cost 50% of cable.
The utility model technical solution problem adopts following technical scheme:
A kind of scandium-aluminum alloy conductor lv power cable, adopt power core and ground core twisted synthesizing cable core, cable core gap is provided with packed layer, described cable core and packed layer are provided with polyester belt lapping layer outward, the outermost layer of cable is provided with polyvinyl chloride oversheath, described power core consists of with extruding in the outer field power line core insulation of described power line core conductor layer power line core conductor, and described power line core conductor adopts scandium-aluminum alloy conductor, and described power line core insulation layer adopts crosslinked polyetylene insulated layer.
Described ground core consists of with extruding in the outer field ground wire core insulation of described ground wire core conductor layer ground wire core conductor.
Between described polyester belt lapping layer and described oversheath, be also provided with successively inner sheath and steel-tape armouring layer.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model cable, power line core conductor adopts scandium-aluminum alloy conductor, its intensity 211MPa after tested, conductance 62.0%IACS, elongation 31.8%, yield strength 110MPa.Solve on the one hand past fine aluminium a lot of not enough as electric wire and cable conductor existence, there is the advantages such as creep resistant, pliable and tough, the strong extension of height, low bounce-back, stable connection, also reduced on the other hand the cost 50% of cable.
2, the utility model adopts polyvinyl chloride as the external sheath layer of outer protection.
3, the utility model is mainly used in the connection of low-voltage circuit and similar devices, the cost of cable 50%, the electric conductivity of cable is greatly improved.
Accompanying drawing explanation:
Fig. 1,2 is the structural representation of the utility model cable.
Number in the figure: 1 power line core conductor, 2 power line core insulation layers, 3 ground wire core conductors, 4 ground wire core insulation layers, 5 packed layers, 6 polyester belt lapping layers, 7 inner sheaths, 8 steel-tape armouring layers, 9 oversheaths.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment:
Embodiment: referring to Fig. 1, the scandium-aluminum alloy conductor lv power cable of the present embodiment, adopt power core and ground core twisted synthesizing cable core, cable core gap is provided with packed layer 5, at cable core and packed layer, be provided with polyester belt lapping layer 6 outward, the outermost layer of cable is provided with polyvinyl chloride oversheath 9, wherein power core consists of with extruding in the outer field power line core insulation of power line core conductor layer 2 power line core conductor 1, power line core conductor 1 adopts scandium-aluminum alloy conductor, and power line core insulation layer 2 adopts crosslinked polyetylene insulated layer.Ground core consists of with extruding in the outer field ground wire core insulation of ground wire core conductor layer 4 ground wire core conductor 3.
Referring to Fig. 2, between polyester belt lapping layer 6 and oversheath 9, be also provided with successively inner sheath 7 and steel-tape armouring layer 8.
In concrete enforcement, the preparation method of high scandium content aluminium alloy conductor is; Conductor composition is configured to by mass percentage: scandium 0.4-0.8wt%, and iron 0.01-0.1wt%, cerium-rich rare earth 0.01-0.1wt%, surplus is aluminium; Specifically aluminium ingot is added in shaft furnace, at 750-770 ℃, flow into holding furnace after dissolving, add iron, cerium-rich rare earth and scandium to carry out melting, after stirring to melt refining, purification, degasification, the processing of skimming, the alloy melt that is not less than 750 ℃ after refining is sent into aluminium bar continuous casting and tandem rolling unit and carry out strand and rolling, wherein strand temperature is 650 ℃, obtain 300 ℃, the high scandium content aluminium alloy rod of Φ 10mm, high scandium content aluminium alloy rod is placed in heat-treatment furnace in 280-290 ℃ of insulation 3-5 hour with destressing, naturally cooling; Wire drawing on aluminum alloy drawing machine subsequently, control lubricated temperature≤100 ℃, through excessive draw and in draw, obtain meeting ASTM B800-05(2011) electric with annealing and the high scandium content of average tempering 8000 series alloys wire standard aluminium alloy single line, naturally cooling in the 320-340 ℃ of Ageing Treatment through 6-8 hour again, through the stranded high scandium content aluminium alloy conductor that obtains meeting the high-strength high-conductivity of GB/T3956-2008 standard, in stranded process, can not damage the surface of aluminium alloy single line.Its tensile strength 211Mpa after tested, elongation 31.8%, yield limit is 100～116Mpa, conductance 62.0%IACS.Power core adopts high scandium content aluminium alloy conductor, the outer crosslinked polyethylene that adopts is as insulating barrier, adopt the stranded formation cable core of three power cores (or three power cores add a ground core or three power cores add a ground core and add a neutral line), at cable core, be provided with successively polyester belt lapping layer, inner sheath (armouring), steel-tape armouring layer (armouring) and oversheath outward.
Claims (3)
1. a scandium-aluminum alloy conductor lv power cable, adopt power core and ground core twisted synthesizing cable core, cable core gap is provided with packed layer (5), described cable core and packed layer are provided with polyester belt lapping layer (6) outward, the outermost layer of cable is provided with polyvinyl chloride oversheath (9), it is characterized in that, described power core is by power line core conductor (1) and extrude in described power line core conductor outer field power line core insulation layer (2) and form, described power line core conductor (1) adopts scandium-aluminum alloy conductor, and described power line core insulation layer (2) adopts crosslinked polyetylene insulated layer.
2. a kind of scandium-aluminum alloy conductor lv power cable according to claim 1, is characterized in that, described ground core is by ground wire core conductor (3) and extrude in described ground wire core conductor outer field ground wire core insulation layer (4) and form.
3. a kind of scandium-aluminum alloy conductor lv power cable according to claim 1, is characterized in that, is also provided with successively inner sheath (7) and steel-tape armouring layer (8) between described polyester belt lapping layer (6) and described oversheath (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570456.2U CN203433881U (en) | 2013-09-13 | 2013-09-13 | Scandium-contained aluminium alloy conductor-based low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570456.2U CN203433881U (en) | 2013-09-13 | 2013-09-13 | Scandium-contained aluminium alloy conductor-based low-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433881U true CN203433881U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570456.2U Expired - Fee Related CN203433881U (en) | 2013-09-13 | 2013-09-13 | Scandium-contained aluminium alloy conductor-based low-voltage power cable |
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| Country | Link |
|---|---|
| CN (1) | CN203433881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616752A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Mobile monitoring type flexible cable with low-smoke zero-halogen scandium-aluminum alloy conductor for coal mine |
| CN105761827A (en) * | 2016-04-22 | 2016-07-13 | 安徽凌宇电缆科技有限公司 | Scandium-contained aluminum-alloy-conductor water-blocking low-voltage power cable |
-
2013
- 2013-09-13 CN CN201320570456.2U patent/CN203433881U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616752A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Mobile monitoring type flexible cable with low-smoke zero-halogen scandium-aluminum alloy conductor for coal mine |
| CN105761827A (en) * | 2016-04-22 | 2016-07-13 | 安徽凌宇电缆科技有限公司 | Scandium-contained aluminum-alloy-conductor water-blocking low-voltage power cable |
| CN105761827B (en) * | 2016-04-22 | 2017-12-22 | 安徽凌宇电缆科技有限公司 | A kind of scandium-aluminum alloy conductor blocks water lv power cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20180913 |