CN211479745U - Environment-friendly aluminum alloy two-core cable - Google Patents
Environment-friendly aluminum alloy two-core cable Download PDFInfo
- Publication number
- CN211479745U CN211479745U CN202020128927.4U CN202020128927U CN211479745U CN 211479745 U CN211479745 U CN 211479745U CN 202020128927 U CN202020128927 U CN 202020128927U CN 211479745 U CN211479745 U CN 211479745U
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- Prior art keywords
- layer
- aluminum alloy
- conductor
- environment
- shielding layer
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 71
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 84
- 229920003023 plastic Polymers 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 26
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 15
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 15
- 239000011241 protective layer Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 3
- 241000272165 Charadriidae Species 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 5
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- -1 Polyethylene Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses an environment-friendly aluminum alloy two-core cable, by interior insulation core, first shielding layer, interior sheath, first coaxial conductor layer, second shielding layer, outer jacket, the coaxial conductor layer of second, tighten layer, third shielding layer and oversheath of including in proper order outside to. The utility model discloses can protect insulation core not collided with by the fish tail, can separate simultaneously again between conductor and the insulating layer, and have good pliability and bending property, when guaranteeing electric power transportation easy to assemble again and be under construction, easily promote.
Description
The technical field is as follows:
the utility model relates to a cable, in particular to environment-friendly aluminum alloy two-core cable.
Background art:
in three-phase power transmission systems, the use of multi-core power cables is required; the structure of the multi-core power cable is classified according to the electric field distribution in the power insulating layer and can be divided into a radial type and a non-radial type; the former comprises split-phase shielding cables such as split-phase lead packets, split-phase copper strip lapping and the like; the latter comprises various paper cables with insulation and rubber and plastic cables without split phase shielding; the multicore cable is used in the open air mostly, but the cable uses for a long time and exposes to the sun with high temperature, the condition of chap, ageing appears, and all contains a plurality of coaxial conductor in the multicore cable of current, and it is not good to appear insulating separation effect between the coaxial conductor easily, when outdoor construction, the condition that the insulating core is collided with by the fish tail appears easily.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the environment-friendly aluminum alloy two-core cable has the advantages of shielding sunlight irradiation, prolonging the service life of the cable, protecting the insulated wire core from being scratched and collided, and separating the conductor from the insulated layer.
The utility model discloses a technical scheme who solves technical problem and take is:
an environment-friendly aluminum alloy two-core cable comprises an insulating wire core, a first shielding layer, an inner protection layer, a first coaxial conductor layer, a second shielding layer, an outer protection layer, a second coaxial conductor layer, a binding layer, a third shielding layer and an outer protection layer from inside to outside in sequence, wherein the insulating wire core consists of a central conductor and an insulating layer, the central conductor is formed by adopting 8000-series rare earth aluminum alloy wire drawing and stranding, the insulating layer is formed by adopting one-step cross-linked polyethylene high polymer material processing, the first shielding layer is formed by adopting an aluminum-plastic composite belt in a winding mode, the inner protection layer is formed by adopting soft weather-resistant polyvinyl chloride plastic processing, the first coaxial conductor layer is formed by adopting 8000-series aluminum alloy processing, the second shielding layer is formed by adopting an aluminum-plastic composite belt in a winding mode, the outer protection layer is formed by adopting soft weather-resistant polyvinyl chloride plastic processing, the second coaxial conductor layer is formed by adopting 8000-series, the binding layer is formed by lapping polyester tapes in an overlapping mode, the third shielding layer is formed by longitudinally wrapping aluminum-plastic composite tapes, and the outer sheath is formed by processing one-step overhead crosslinked polyethylene plastics and carbon black materials.
The insulating sinle silk is two the outside of two insulating sinle silks is wrapped there is first shielding layer.
The central conductor is formed by twisting a plurality of conductor wire cores, and the insulating layer is wound outside each central conductor.
The even winding in the outside of interior sheath has several conductor sinle silk, and several conductor sinle silk constitutes first coaxial conductor layer, the outside cladding of first coaxial conductor layer has the second shielding layer.
The even winding in the outside of outer jacket has several conductor sinle silk, and several conductor sinle silk constitutes the coaxial conductor layer of second, the outside cladding of the coaxial conductor layer of second has the layer of tightening.
The weight portion of the carbon black material is 2.5% of the weight portion of the one-step overhead crosslinked polyethylene plastic.
Compared with the common cable, the utility model discloses, its key technology innovation is at following several points:
central conductor: the 8000-series rare earth aluminum alloy conductor has the advantages of high conductivity, controlled tensile strength, flexibility, elongation and the like, so that the cable has continuity and stability in overload and overheating for a long time.
Insulating layer: the cross-linked polyethylene is a three-dimensional network structure thermosetting material which is formed by changing linear chain-shaped high-molecular thermoplastic material into molecular chain cross-linking by adopting a cross-linking technology. The crosslinked polyethylene (XLPE) not only maintains good physical and mechanical properties, excellent chemical stability and excellent dielectric properties of the Polyethylene (PE) before crosslinking, but also improves the long-term use temperature (from original 70 ℃ to 90 ℃), and improves the environmental stress cracking resistance, creep resistance and other physical and mechanical properties. The crosslinked polyethylene has stronger acid-base resistance and oil resistance than polyethylene, and the combustion products are CO2 and H20, so the crosslinked polyethylene has little harm to the environment during combustion, meets the requirements of modern fire-fighting, low smoke and no toxicity, and is a preferred insulating material for environment-friendly cables.
The inner protective layer and the outer protective layer are both formed by processing soft weather-resistant polyvinyl chloride plastics, the bending performance of the cable is guaranteed, the insulating wire core is protected from being scratched and collided, the coaxial conductor and the insulating layer are cut simultaneously, and the insulating layer serves as the coaxial conductor.
The first coaxial conductor layer and the second coaxial conductor layer are both processed by adopting 8000 series aluminum alloy, and the elongation (32%) of the 8000 series aluminum alloy conductor after annealing is basically consistent with the elongation (30-45%) of the soft aluminum conductor and the soft copper conductor, so that the flexible coaxial conductor has good flexibility and bending property; the minimum bending radius (7D) of the cable is superior to that of a copper core (10-20D) cable, so that the cable is convenient to install and construct, and the installation cost can be reduced.
Fifthly, the first shielding layer and the second shielding layer are formed by wrapping aluminum-plastic composite tapes, and the third shielding layer is longitudinally wrapped by the aluminum-plastic composite tapes, so that the electric field of the coaxial conductor is uniformly distributed and can shield the interference of an external electromagnetic field, and the stability of power transmission is ensured.
Sixthly, binding the layer: the coaxial conductor is formed by lapping a layer of polyester tape, the coaxial conductor is tightly tied, so that the coaxial conductor is not loose and is convenient to extrude out of the outer protective layer.
Sixthly, the outer sheath: the cable is processed by adopting one-step overhead crosslinked polyethylene plastic and carbon black materials, and more than 2.5 percent of carbon black is added into the materials, so that the cable has the characteristic of shielding sunlight irradiation, the cracking phenomenon of the common cable in normal use is prevented, the service life of the cable is prolonged, the cable can be laid outdoors and installed indoors for use, and the economy is ensured.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings and the embodiments:
example (b): referring to fig. 1, an environment-friendly aluminum alloy two-core cable sequentially comprises an insulating wire core, a first shielding layer 3, an inner protective layer 4, a first coaxial conductor layer 5, a second shielding layer 6, an outer protective layer 7, a second coaxial conductor layer 8, a binding layer 9, a third shielding layer 10 and an outer protective layer 11 from inside to outside, wherein the insulating wire core consists of a central conductor 1 and an insulating layer 2, the central conductor 1 is formed by drawing and twisting 8000-series rare earth aluminum alloy, the insulating layer 2 is formed by processing one-step cross-linked polyethylene high polymer material, the first shielding layer 3 is formed by wrapping an aluminum-plastic composite tape, the inner protective layer 4 is formed by processing flexible weather-resistant polyvinyl chloride plastic, the first coaxial conductor layer 5 is formed by processing 8000-series aluminum alloy, the second shielding layer 6 is formed by wrapping an aluminum-plastic composite tape, the outer protective layer 7 is formed by processing flexible weather-resistant polyvinyl chloride plastic, and the second coaxial conductor layer 8 is formed by processing 8000-series aluminum, the tightening layer 9 is formed by lapping polyester tapes in an overlapping mode, the third shielding layer 10 is formed by longitudinally wrapping aluminum-plastic composite tapes, and the outer sheath 11 is formed by processing one-step overhead crosslinked polyethylene plastics and carbon black materials; wherein: the number of the insulated wire cores is two, and a first shielding layer 3 is wrapped on the outer sides of the two insulated wire cores; the central conductor 1 is formed by twisting a plurality of conductor wire cores, and an insulating layer 2 is wound outside each central conductor 1; a plurality of conductor wire cores are uniformly wound on the outer side of the inner protective layer 4, the plurality of conductor wire cores form a first coaxial conductor layer 5, and a second shielding layer 6 is coated on the outer side of the first coaxial conductor layer 5; a plurality of conductor wire cores are uniformly wound on the outer side of the outer protective layer 7, the plurality of conductor wire cores form a second coaxial conductor layer 8, and a fastening layer 9 is coated on the outer side of the second coaxial conductor layer 8; the weight portion of the carbon black material is 2.5 percent of the weight portion of the one-step overhead crosslinked polyethylene plastic.
The utility model has the characteristics of shielding sun sunlight shines, have the characteristics of shielding sun sunlight shines, improve the life of cable, can protect insulation core not collided with by the fish tail, can separate again simultaneously between conductor and the insulating layer, and have good pliability and bending nature, easy to assemble and construction again when guaranteeing electric power transportation, practiced thrift the laying cost of cable, easily promote.
Claims (6)
1. The utility model provides an environment-friendly aluminum alloy two-core cable which characterized in that: the environment-friendly aluminum alloy two-core cable comprises an insulating wire core, a first shielding layer (3), an inner protective layer (4), a first coaxial conductor layer (5), a second shielding layer (6), an outer protective layer (7), a second coaxial conductor layer (8), a tightening layer (9), a third shielding layer (10) and an outer protective layer (11) from inside to outside in sequence, wherein the insulating wire core consists of a central conductor (1) and an insulating layer (2), the central conductor (1) is formed by drawing and stranding of 8000-series rare earth aluminum alloy, the insulating layer (2) is formed by processing one-step cross-linked polyethylene high polymer materials, the first shielding layer (3) is formed by winding a flexible-grade weather-resistant polyvinyl chloride plastic tape, the inner protective layer (4) is formed by processing of soft-grade weather-resistant polyvinyl chloride plastic, the first coaxial conductor layer (5) is formed by processing of 8000-series aluminum alloy, the second shielding layer (6) is formed by winding the aluminum-plastic composite tape, outer jacket (7) adopt the processing of soft level weatherability polyvinyl chloride plastics to form, the coaxial conductive layer of second (8) adopt 8000 series aluminum alloy processing to form, it forms around the package to tie up layer (9) and adopt the polyester area to overlap, third shielding layer (10) adopt the aluminium-plastic composite tape to indulge the package and form, outer jacket (11) adopt the processing of the built on stilts crosslinked polyethylene plastics of one-step method and carbon black material to form.
2. The environment-friendly aluminum alloy two-core cable according to claim 1, wherein: the insulation wire core is two, and the outside of two insulation wire cores is wrapped with first shielding layer (3).
3. The environment-friendly aluminum alloy two-core cable according to claim 1, wherein: the central conductor (1) is formed by twisting a plurality of conductor wire cores, and the insulating layer (2) is wound outside each central conductor (1).
4. The environment-friendly aluminum alloy two-core cable according to claim 1, wherein: interior even winding in the outside of sheath (4) has several conductor sinle silk, and several conductor sinle silk constitutes first coaxial conductor layer (5), the outside cladding of first coaxial conductor layer (5) has second shielding layer (6).
5. The environment-friendly aluminum alloy two-core cable according to claim 1, wherein: the even winding in the outside of outer jacket (7) has several conductor sinle silk, and several conductor sinle silk constitutes second coaxial conductor layer (8), the outside cladding of second coaxial conductor layer (8) has tight layer (9) of binding.
6. The environment-friendly aluminum alloy two-core cable according to claim 1, wherein: the weight portion of the carbon black material is 2.5% of the weight portion of the one-step overhead crosslinked polyethylene plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128927.4U CN211479745U (en) | 2020-01-20 | 2020-01-20 | Environment-friendly aluminum alloy two-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128927.4U CN211479745U (en) | 2020-01-20 | 2020-01-20 | Environment-friendly aluminum alloy two-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479745U true CN211479745U (en) | 2020-09-11 |
Family
ID=72374180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020128927.4U Expired - Fee Related CN211479745U (en) | 2020-01-20 | 2020-01-20 | Environment-friendly aluminum alloy two-core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967837A (en) * | 2021-02-03 | 2021-06-15 | 苏州精实电子科技有限公司 | Flexible flat cable with multilayer structure and production method thereof |
-
2020
- 2020-01-20 CN CN202020128927.4U patent/CN211479745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967837A (en) * | 2021-02-03 | 2021-06-15 | 苏州精实电子科技有限公司 | Flexible flat cable with multilayer structure and production method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200911 |