CN222213766U - A copper core overhead insulated cable - Google Patents
A copper core overhead insulated cable Download PDFInfo
- Publication number
- CN222213766U CN222213766U CN202420826024.1U CN202420826024U CN222213766U CN 222213766 U CN222213766 U CN 222213766U CN 202420826024 U CN202420826024 U CN 202420826024U CN 222213766 U CN222213766 U CN 222213766U
- Authority
- CN
- China
- Prior art keywords
- layer
- strength polymer
- resistant
- copper core
- insulated 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 158
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 239000003063 flame retardant Substances 0.000 claims abstract description 29
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims abstract description 28
- 230000007797 corrosion Effects 0.000 claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of overhead cables and discloses a copper core overhead insulated cable which comprises an armored steel wire layer, wherein a protective layer is arranged on the inner side of the armored steel wire layer in a surrounding manner, a compression-resistant layer is arranged on the inner side of the protective layer in a surrounding manner, the protective layer comprises a corrosion-resistant layer, a waterproof layer and an outer flame-retardant layer, the waterproof layer is arranged on the inner side of the corrosion-resistant layer in a surrounding manner, the outer flame-retardant layer is arranged on the inner side of the waterproof layer in a surrounding manner, the outer side of the corrosion-resistant layer is connected with the inner side of the armored steel wire layer, the compression-resistant layer comprises a first high-modulus high-strength polymer layer, a flexible steel belt and a second high-modulus high-strength polymer layer, the flexible steel belt is arranged on the inner side of the first high-modulus high-strength polymer layer in a surrounding manner, and the second high-modulus high-strength polymer layer is arranged on the inner side of the flexible steel belt in a surrounding manner. Thereby the abrasion resistance, corrosion resistance and compression resistance of the exterior of the overhead cable are improved, and the service life of the overhead cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of overhead cables, in particular to a copper core overhead insulated cable.
Background
The overhead cable (known as overhead insulated cable) is an overhead conductor with an insulating layer and a protective sheath, adopts a special cable similar to the production process of a crosslinked cable, is a new transmission mode between the overhead conductor and an underground cable, and has the main characteristics of high power supply reliability, good power supply safety, convenient erection and maintenance, reasonable economy and the like. The main technical parameters include weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable is widely applied to domestic and foreign power transmission. The existing overhead cable is only provided with a simple sheath protecting sleeve outside, is poor in wear resistance, corrosion resistance and compression resistance, can be damaged easily after being used for a long time, cannot protect a wire core better, and can be deformed easily when being subjected to large pressure and impact, so that the service life of the overhead cable can be reduced.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the copper core overhead insulated cable which has the advantages of improving the abrasion resistance, corrosion resistance and compression resistance of the exterior of the overhead cable and prolonging the service life of the overhead cable, and solves the problems in the prior art.
(II) technical scheme
The copper core overhead insulated cable comprises an armored steel wire layer, wherein a protective layer is arranged on the inner side of the armored steel wire layer in a surrounding mode, a compression resistant layer is arranged on the inner side of the protective layer in a surrounding mode, an outer metal shielding layer is arranged on the inner side of the protective layer in a surrounding mode, and an insulation filling layer is arranged on the inner side of the outer metal shielding layer in a surrounding mode;
The protective layer comprises a corrosion resistant layer, a waterproof layer and an outer flame-retardant layer, the waterproof layer is arranged on the inner side of the corrosion resistant layer in a surrounding manner, the outer flame-retardant layer is arranged on the inner side of the waterproof layer in a surrounding manner, and the outer side of the corrosion resistant layer is connected with the inner side of the armored steel wire layer;
The compression-resistant layer comprises a first high-modulus high-strength polymer layer, a flexible steel belt and a second high-modulus high-strength polymer layer, wherein the flexible steel belt is arranged on the inner side ring of the first high-modulus high-strength polymer layer, and the second high-modulus high-strength polymer layer is arranged on the inner side ring of the flexible steel belt.
Preferably, the inner side of the outer flame retardant layer is connected to the outer side of the first high modulus high strength polymer layer and the inner side of the second high modulus high strength polymer layer is connected to the outer side of the outer metal shielding layer.
Preferably, the inside of insulating filling layer is provided with a plurality of sinle silk, and the outside of a plurality of sinle silk is encircled and is equipped with around the package, and the outside of package is encircled and is equipped with interior metal shielding layer, and the outside of interior metal shielding layer is encircled and is equipped with interior fire-retardant layer.
Preferably, a plurality of pull-resistant ropes are arranged in the insulating filling layer, and the pull-resistant ropes are distributed in a whole row with the insulating filling layer as a center.
Preferably, the corrosion-resistant layer material is polytetrafluoroethylene, and the waterproof layer material is TPU special-purpose protective material.
Preferably, the outer flame retardant layer is a crosslinked polyethylene flame retardant material.
Preferably, the inner fire resistant layer is a fire resistant mica material.
(III) beneficial effects
Compared with the prior art, the utility model provides a copper core overhead insulated cable, which comprises the following components
The beneficial effects are that:
1. The copper core overhead insulated cable is provided with the armor protection layer, the compression resistant layer, the corrosion resistant layer, the waterproof layer, the outer flame retardant layer, the first high-modulus high-strength polymer layer, the flexible steel belt and the second high-modulus high-strength polymer layer, so that the abrasion resistance, the corrosion resistance and the compression resistance of the exterior of the overhead cable are improved, and the service life of the overhead cable is prolonged.
2. The copper core overhead insulated cable is characterized in that the high temperature resistance effect of the cable core is improved through the arrangement of the outer metal shielding layer, the insulating filling layer, the cable core, the wrapping piece, the inner metal shielding layer, the inner resistance layer and the tensile rope, and the cable core can be further protected.
Drawings
FIG. 1 is a cable according to the present utility model schematic cross-sectional structure;
FIG. 2 is a schematic diagram of a passivation layer and related structures according to the present utility model;
FIG. 3 is a schematic view of a waterproof layer and related structures according to the present utility model;
fig. 4 is a schematic diagram of the core and related structure of the present utility model.
In the figure, 1, an armor protection layer, 2, a protection layer, 3, a compression-resistant layer, 4, a corrosion-resistant layer, 5, a waterproof layer, 6, an outer flame-retardant layer, 7, a first high-modulus high-strength polymer layer, 8, a flexible steel belt, 9, a second high-modulus high-strength polymer layer, 10, an outer metal shielding layer, 11, an insulating filling layer, 12, a wire core, 13, a wrapping piece, 14, an inner metal shielding layer, 15, an inner resistance layer, 16 and an anti-pulling rope.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments, not all embodiments. All other embodiments, based on the embodiments herein, which are within the purview of one of ordinary skill in the art without the particular effort to make the utility model.
Example 1:
Referring to fig. 1-4, a copper core overhead insulated cable comprises an armored steel wire layer 1, wherein a protective layer 2 is arranged on the inner side of the armored steel wire layer 1 in a surrounding manner, and a compression-resistant layer 3 is arranged on the inner side of the protective layer 2 in a surrounding manner;
The protective layer 2 comprises a corrosion resistant layer 4, a waterproof layer 5 and an outer flame retardant layer 6, wherein the waterproof layer 5 is arranged on the inner side of the corrosion resistant layer 4 in a surrounding manner, the outer flame retardant layer 6 is arranged on the inner side of the waterproof layer 5 in a surrounding manner, and the outer side of the corrosion resistant layer 4 is connected with the inner side of the armored steel wire layer 1;
The compression resistant layer 3 comprises a first high-modulus high-strength polymer layer 7, a flexible steel belt 8 and a second high-modulus high-strength polymer layer 9, wherein the flexible steel belt 8 is arranged on the inner side ring of the first high-modulus high-strength polymer layer 7, and the second high-modulus high-strength polymer layer 9 is arranged on the inner side ring of the flexible steel belt 8.
Preferably, the material of the corrosion-resistant layer 4 is polytetrafluoroethylene, and the material of the waterproof layer 5 is TPU special-purpose protective material.
The cable surface is protected through the armor steel wire layer 1, the corrosion resistant layer 4 at the lower part of the armor steel wire layer 1 is made of polytetrafluoroethylene materials, the cable has excellent chemical stability, corrosion resistance, sealing performance, high lubrication non-tackiness, electrical insulation and good ageing resistance, the corrosion resistance of the cable is improved, the waterproof layer 5 is a special TPU protective material, the cable has high elasticity, high strength, oil resistance and ageing resistance, the waterproof effect of the cable can be improved, the wear resistance and corrosion resistance of the cable external protection ring can be effectively improved, the first high-modulus high-strength polymer layer 7, the second high-modulus high-strength polymer layer 9 and the flexible steel belt 8 are arranged in the compression resistant layer 3, the flexible steel belt 8 is arranged between the first high-modulus high-strength polymer layer and the second high-strength polymer layer, the compression resistance is improved, the cable core 12 in the cable can be protected from being damaged through the arrangement of the protective layer and the compression resistant layer 3, and the service life of the cable can be prolonged.
Example 2:
Referring to fig. 1-4, a plurality of wire cores 12 are disposed in the insulation filling layer 11, a wrapping member 13 is disposed around the outer side of the plurality of wire cores 12, an inner metal shielding layer 14 is disposed around the outer side of the wrapping member 13, an inner flame retardant layer 15 is disposed around the outer side of the inner metal shielding layer 14, an outer metal shielding layer 10 is disposed around the inner side of the protection layer 2, and the insulation filling layer 11 is disposed around the inner side of the outer metal shielding layer 10.
Preferably, a plurality of tensile cords 16 are provided inside the insulating and filling layer 11, and the plurality of tensile cords 16 are distributed in a row centering on the insulating and filling layer 11.
Preferably, the outer flame retardant layer 6 is a crosslinked polyethylene flame retardant material.
Preferably, the inner flame retardant layer 15 is a flame retardant mica material.
The working principle is that the arrangement of the inner metal shielding layer 14 and the outer metal shielding layer 10 can reduce the interference of electromagnetism on the wire core 12, and the arrangement of the insulating filling layer 11 can isolate wires to prevent people from electric shock injury, the outer flame retardant layer 6 is made of a crosslinked polyethylene flame retardant material, and the crosslinked polyethylene flame retardant material does not contain halogen, so that the cable core 12 is environment-friendly, meanwhile, the crosslinked polyethylene flame retardant material has good flame retardance, the fireproof effect is improved, the inner flame retardant layer 15 outside the wire core 12 is made of a fireproof mica material, the fireproof mica material has good fire resistance, the high temperature resistant effect of the wire core 12 is improved, and further the cable core 12 can be protected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420826024.1U CN222213766U (en) | 2024-04-21 | 2024-04-21 | A copper core overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420826024.1U CN222213766U (en) | 2024-04-21 | 2024-04-21 | A copper core overhead insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222213766U true CN222213766U (en) | 2024-12-20 |
Family
ID=93865003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420826024.1U Active CN222213766U (en) | 2024-04-21 | 2024-04-21 | A copper core overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222213766U (en) |
-
2024
- 2024-04-21 CN CN202420826024.1U patent/CN222213766U/en active Active
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