CN117524559A - Aluminum alloy core polypropylene insulation wear-resistant oil-resistant soft power cable with voltage of 1kV and below - Google Patents
Aluminum alloy core polypropylene insulation wear-resistant oil-resistant soft power cable with voltage of 1kV and below Download PDFInfo
- Publication number
- CN117524559A CN117524559A CN202311631365.XA CN202311631365A CN117524559A CN 117524559 A CN117524559 A CN 117524559A CN 202311631365 A CN202311631365 A CN 202311631365A CN 117524559 A CN117524559 A CN 117524559A
- Authority
- CN
- China
- Prior art keywords
- conductor
- resistant
- aluminum alloy
- cable
- power cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 16
- -1 polypropylene Polymers 0.000 title claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a polypropylene insulation wear-resistant oil-resistant soft power cable with an aluminum alloy core of 1kV or below, which comprises a conductor, insulation layers and sheath layers, wherein the sheath layers are coated on a plurality of insulation layers, and the insulation layers are coated on the conductor. The aluminum alloy conductor adopted by the invention has small diameter of a single wire in the conductor, can improve the softness of the conductor, and is beneficial to bending of the cable; the polypropylene insulating material is adopted, the material has low density, the overall weight of the cable can be reduced, a crosslinking procedure is not needed after extrusion, and the manufacturing cost can be reduced; the polyurethane elastomer material is wear-resistant, oil-resistant and good in softness, and can meet the requirement of normal operation of the cable in a severe environment.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a polypropylene insulation wear-resistant oil-resistant soft power cable with an aluminum alloy core of 1kV or below.
Background
It is known that when power is supplied to mobile equipment such as mineral exploitation, robots, and drag chain systems, the power cable is exposed to a low-temperature environment, a dirty and sticky oil environment, and repeated bending or twisting of the power cable, which causes accelerated corrosion and breakage of the power cable, resulting in a shortened life of the power cable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the polypropylene insulation wear-resistant oil-resistant flexible power cable with the aluminum alloy core of 1kV or below, wherein the adopted aluminum alloy conductor has small diameter of a single wire, so that the softness of the conductor can be improved, and the cable is beneficial to bending; the polypropylene insulating material is adopted, the material has low density, the overall weight of the cable can be reduced, a crosslinking procedure is not needed after extrusion, and the manufacturing cost can be reduced; the polyurethane elastomer material is adopted, and the material has good wear resistance, oil resistance and softness, and can meet the normal operation of the cable in a severe environment; the invention can lighten the cable, has better softness and reduced bending radius, and can be used in the environment of repeated bending, torsion, low temperature and greasy dirt.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a polypropylene insulation wear-resistant oil-resistant soft power cable with an aluminum alloy core of 1kV or below, which comprises a conductor, insulation layers and sheath layers, wherein the sheath layers are coated on a plurality of insulation layers, and the insulation layers are coated on the conductor.
As a preferable technical scheme of the invention, the conductor is an aluminum alloy conductor.
As a preferable technical scheme of the invention, the insulating layer is made of polypropylene insulating material.
As a preferable technical scheme of the invention, the sheath layer is made of polyurethane elastomer material.
Compared with the prior art, the invention has the following beneficial effects:
the aluminum alloy conductor adopted by the invention has small diameter of a single wire in the conductor, can improve the softness of the conductor, and is beneficial to bending of the cable; the polypropylene insulating material is adopted, the material has low density, the overall weight of the cable can be reduced, a crosslinking procedure is not needed after extrusion, and the manufacturing cost can be reduced; the polyurethane elastomer material is adopted, and the material has good wear resistance, oil resistance and softness, and can meet the normal operation of the cable in a severe environment;
the invention can lighten the cable, has better softness and reduced bending radius, and can be used in the environment of repeated bending, torsion, low temperature and greasy dirt.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of the present invention;
in the figure: 1. a conductor; 2. an insulating layer; 3. and a sheath layer.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1
As shown in fig. 1, the invention provides a polypropylene insulation wear-resistant oil-resistant soft power cable with an aluminum alloy core of 1kV and below, which comprises a conductor 1, an insulation layer 2 and a sheath layer 3, wherein the sheath layer 3 is coated on a plurality of insulation layers 2, and the insulation layers 2 are coated on the conductor 1.
The conductor 1 is an aluminum alloy conductor, the nominal cross section area and the filament diameter of the aluminum alloy conductor meet the 5 th conductor requirement in national standard GB/T3956-2008, the diameter of a single wire in the conductor is small, the softness of the conductor can be improved, and the cable is beneficial to bending.
The insulating layer 2 is made of polypropylene insulating material, the insulating layer is made of polypropylene insulating material, the material has low density, the overall weight of the cable can be reduced, a crosslinking procedure is not needed after extrusion, and the manufacturing cost can be reduced.
The sheath layer 3 is made of polyurethane elastomer material, and the material has wear resistance, oil resistance and good softness, and can meet the normal operation of the cable in a severe environment.
Working principle: the adopted aluminum alloy conductor has small single-wire diameter, can improve the softness of the conductor and is beneficial to bending of the cable; the polypropylene insulating material is adopted, the material has low density, the overall weight of the cable can be reduced, a crosslinking procedure is not needed after extrusion, and the manufacturing cost can be reduced; the polyurethane elastomer material is adopted, and the material has good wear resistance, oil resistance and softness, and can meet the normal operation of the cable in a severe environment.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides an aluminium alloy core polypropylene insulation wear-resisting oil-resistant flexible power cable below 1kV, includes conductor (1), insulating layer (2) and restrictive coating (3), restrictive coating (3) cladding in a plurality of insulating layers (2), insulating layer (2) cladding in conductor (1), its characterized in that:
the conductor (1) is made of an aluminum alloy conductor;
the insulating layer (2) is made of polypropylene insulating material;
the sheath layer (3) is made of polyurethane elastomer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311631365.XA CN117524559A (en) | 2023-11-29 | 2023-11-29 | Aluminum alloy core polypropylene insulation wear-resistant oil-resistant soft power cable with voltage of 1kV and below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311631365.XA CN117524559A (en) | 2023-11-29 | 2023-11-29 | Aluminum alloy core polypropylene insulation wear-resistant oil-resistant soft power cable with voltage of 1kV and below |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117524559A true CN117524559A (en) | 2024-02-06 |
Family
ID=89743626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311631365.XA Pending CN117524559A (en) | 2023-11-29 | 2023-11-29 | Aluminum alloy core polypropylene insulation wear-resistant oil-resistant soft power cable with voltage of 1kV and below |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117524559A (en) |
-
2023
- 2023-11-29 CN CN202311631365.XA patent/CN117524559A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |