CN220774007U - Power cable with good cold resistance - Google Patents
Power cable with good cold resistance Download PDFInfo
- Publication number
- CN220774007U CN220774007U CN202322522895.2U CN202322522895U CN220774007U CN 220774007 U CN220774007 U CN 220774007U CN 202322522895 U CN202322522895 U CN 202322522895U CN 220774007 U CN220774007 U CN 220774007U
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- cable
- functional layer
- power cable
- cold resistance
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- 239000010410 layer Substances 0.000 claims abstract description 83
- 239000002346 layers by function Substances 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 19
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 19
- 229920002799 BoPET Polymers 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 11
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- -1 wherein Substances 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002253 acid Substances 0.000 abstract description 10
- 239000003513 alkali Substances 0.000 abstract description 10
- 238000010292 electrical insulation Methods 0.000 abstract description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 2
- 230000003628 erosive effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920006334 epoxy coating Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cables and discloses a power cable with good cold resistance, which comprises a cable protective sleeve, wherein a plurality of conductors are arranged on the inner side of the cable protective sleeve; the cable protective sleeve comprises a substrate layer, a first functional layer and a second functional layer, wherein the first functional layer comprises a high-density polyethylene layer and a PET film layer, and the second functional layer comprises an epoxy resin coating and a mica tape layer. This power cable has set up the first functional layer including high density polyethylene layer and PET thin film layer, wherein, high density polyethylene layer possesses good cold-resistant performance to still have good electrical insulation performance, corrosion-resistant and wear-resisting effect, PET thin film layer possesses good toughness, tensile strength and impact strength, still has good heat-resisting, cold-resistant and acid and alkali-resistant ability, through the cooperation of above structure, can effectively improve holistic cold-resistant performance, avoid causing inner structure erosion and damage because of cold.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a power cable with good cold resistance.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several wires or groups of wires, and is usually a rope-like cable formed by twisting several wires or groups of wires (at least two wires in each group), wherein each group of wires are mutually insulated and are often twisted around a center, the whole outer surface of the cable is covered with a high-insulation coating, and the cable has the characteristics of inner power supply and outer insulation.
However, the cold resistance of the existing cable is not ideal, and the cable is usually exposed to the outside, so that the surface of the cable can be frozen in a cold region, and the cable core structure in the cable can be seriously eroded, so that the cable cannot work normally, and the cable is inconvenient to use.
Accordingly, a power cable having good cold resistance is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a power cable with good cold resistance, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the power cable with good cold resistance comprises a cable protective sleeve, wherein a plurality of conductors are arranged on the inner side of the cable protective sleeve;
the cable protective sleeve comprises a substrate layer, a first functional layer and a second functional layer, wherein the first functional layer comprises a high-density polyethylene layer and a PET film layer, and the second functional layer comprises an epoxy resin coating and a mica tape layer.
As still further aspects of the utility model: the outer surface of the conductor is sleeved with an insulating sleeve, and the insulating sleeve is positioned on the inner side of the cable protective sleeve.
As still further aspects of the utility model: the inner side of the cable protective sleeve is filled with a polypropylene mesh belt filling layer, and the polypropylene mesh belt filling layer is positioned on the inner side of the cable protective sleeve.
As still further aspects of the utility model: the inside of cable protective sheath is provided with the shielding layer, and the thickness of shielding layer is less than the thickness of cable protective sheath.
As still further aspects of the utility model: the first functional layer is arranged on the outer surface of the basal layer, and the second functional layer is arranged on the inner side of the basal layer.
As still further aspects of the utility model: the high-density polyethylene layer is arranged on the outer surface of the basal layer, and the PET film layer is arranged on the outer surface of the high-density polyethylene layer.
As still further aspects of the utility model: the epoxy resin coating is arranged on the inner side of the basal layer, and the mica tape layer is arranged on the inner side of the epoxy resin coating.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides the first functional layer comprising the high-density polyethylene layer and the PET film layer, wherein the high-density polyethylene layer has excellent cold resistance, good electrical insulation property, corrosion resistance and wear resistance, the PET film layer has excellent toughness, tensile strength and impact resistance, and also has excellent heat resistance, cold resistance and acid and alkali resistance, and the integral cold resistance can be effectively improved by the cooperation of the structures, so that the corrosion and damage of the internal structure caused by cold are avoided.
2. The insulation sleeve is arranged, so that an insulation effect can be achieved, the polypropylene mesh belt filling layer is arranged, the effects of high tension, good wear resistance, corrosion resistance and acid and alkali resistance can be achieved, the cable is stable in structure and round in appearance, the shielding effect can be achieved through the shielding layer, the interference of external signals is avoided, the effects of corrosion resistance and acid and alkali resistance can be achieved through the epoxy resin coating, and corrosion and aging of an internal structure due to external factors are avoided.
Drawings
FIG. 1 is a schematic diagram of a power cable with good cold resistance;
FIG. 2 is an enlarged schematic view of the structure of the power cable shown in FIG. 1 at A, which has good cold resistance;
FIG. 3 is a schematic view of a cable protective sleeve structure in a power cable with good cold resistance;
FIG. 4 is a schematic view of a first functional layer structure of a power cable with good cold resistance;
fig. 5 is a schematic diagram of a second functional layer structure in a power cable with good cold resistance.
In the figure: 1. a cable protective sleeve; 11. a base layer; 12. a first functional layer; 1201. a high density polyethylene layer; 1202. a PET film layer; 13. a second functional layer; 1301. an epoxy resin coating; 1302. mica tape layers; 2. a shielding layer; 3. an insulating sleeve; 4. a conductor; 5. a polypropylene mesh belt filling layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a power cable with good cold resistance comprises a cable protection sleeve 1, wherein a plurality of conductors 4 are arranged on the inner side of the cable protection sleeve 1;
the cable protective sheath 1 comprises a base layer 11, a first functional layer 12 and a second functional layer 13, the first functional layer 12 comprising a high density polyethylene layer 1201 and a PET film layer 1202, the second functional layer 13 comprising an epoxy coating 1301 and a mica tape layer 1302.
Specifically, the outer surface of the conductor 4 is sleeved with an insulating sleeve 3, and the insulating sleeve 3 is located on the inner side of the cable protective sleeve 1.
Through above-mentioned technical scheme, through setting up insulating cover 3, can play insulating effect.
Specifically, the inner side of the cable protective sleeve 1 is filled with a polypropylene mesh belt filling layer 5, and the polypropylene mesh belt filling layer 5 is located on the inner side of the cable protective sleeve 1.
Through above-mentioned technical scheme, through setting up polypropylene guipure filling layer 5, can play pulling force big, wear resistance is good, corrosion-resistant and acid and alkali-resistant effect, makes cable stable in structure, and the appearance is round.
Specifically, the inner side of the cable protective sleeve 1 is provided with a shielding layer 2, and the thickness of the shielding layer 2 is smaller than that of the cable protective sleeve 1.
Through above-mentioned technical scheme, through setting up shielding layer 2, can play the effect of shielding, avoid external signal interference.
Specifically, the first functional layer 12 is disposed on the outer surface of the base layer 11, and the second functional layer 13 is disposed on the inner side of the base layer 11.
Specifically, the high-density polyethylene layer 1201 is provided on the outer surface of the base layer 11, and the PET film layer 1202 is provided on the outer surface of the high-density polyethylene layer 1201.
Through the above technical scheme, the first functional layer 12 comprising the high-density polyethylene layer 1201 and the PET film layer 1202 is provided, wherein the high-density polyethylene layer 1201 has excellent cold resistance, also has excellent electrical insulation performance, corrosion resistance and wear resistance, and the PET film layer 1202 has excellent toughness, tensile strength and impact strength, and also has excellent heat resistance, cold resistance and acid and alkali resistance.
Specifically, the epoxy resin coating 1301 is disposed on the inner side of the base layer 11, and the mica tape layer 1302 is disposed on the inner side of the epoxy resin coating 1301.
Through above-mentioned technical scheme, through setting up epoxy coating 1301, can play corrosion-resistant and acid and alkali-resistant effect, avoid inner structure to cause the corruption ageing because of external factor, through setting up mica tape layer 1302, can play insulating, high temperature resistance and fire-resistant effect.
The working principle of the utility model is as follows: the first functional layer 12 comprising the high-density polyethylene layer 1201 and the PET film layer 1202 is arranged, wherein the high-density polyethylene layer 1201 has excellent cold resistance, good electrical insulation performance, corrosion resistance and wear resistance, the PET film layer 1202 has excellent toughness, tensile strength and impact resistance, and also has excellent heat resistance, cold resistance and acid and alkali resistance, the integral cold resistance can be effectively improved through the cooperation of the structures, the corrosion and damage of the internal structure caused by cold are avoided, the insulation effect can be achieved through the arrangement of the insulation sleeve 3, the cable structure is stable through the arrangement of the polypropylene mesh belt filling layer 5, the tension is large, the wear resistance is good, corrosion resistance and acid and alkali resistance are achieved, the appearance is round, the shielding effect can be achieved through the arrangement of the shielding layer 2, the interference of external signals is avoided, the corrosion resistance and the acid and alkali resistance are prevented, the corrosion aging caused by external factors of the internal structure is avoided through the arrangement of the mica tape layer 1301, and the high temperature insulation, the resistance and the combustion resistance are achieved through the arrangement of the mica tape layer 1302.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a cold-resistant good power cable, includes cable protective sheath (1), its characterized in that: a plurality of conductors (4) are arranged on the inner side of the cable protection sleeve (1);
the cable protective sleeve (1) comprises a base layer (11), a first functional layer (12) and a second functional layer (13), wherein the first functional layer (12) comprises a high-density polyethylene layer (1201) and a PET film layer (1202), and the second functional layer (13) comprises an epoxy resin coating (1301) and a mica tape layer (1302).
2. The power cable with good cold resistance according to claim 1, wherein: the outer surface of the conductor (4) is sleeved with an insulating sleeve (3), and the insulating sleeve (3) is positioned on the inner side of the cable protective sleeve (1).
3. The power cable with good cold resistance according to claim 1, wherein: the inner side of the cable protective sleeve (1) is filled with a polypropylene mesh belt filling layer (5), and the polypropylene mesh belt filling layer (5) is positioned on the inner side of the cable protective sleeve (1).
4. The power cable with good cold resistance according to claim 1, wherein: the inside of cable protective sheath (1) is provided with shielding layer (2), and the thickness of shielding layer (2) is less than the thickness of cable protective sheath (1).
5. The power cable with good cold resistance according to claim 1, wherein: the first functional layer (12) is arranged on the outer surface of the base layer (11), and the second functional layer (13) is arranged on the inner side of the base layer (11).
6. The power cable with good cold resistance according to claim 1, wherein: the high-density polyethylene layer (1201) is arranged on the outer surface of the base layer (11), and the PET film layer (1202) is arranged on the outer surface of the high-density polyethylene layer (1201).
7. The power cable with good cold resistance according to claim 1, wherein: the epoxy resin coating (1301) is arranged on the inner side of the substrate layer (11), and the mica tape layer (1302) is arranged on the inner side of the epoxy resin coating (1301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522895.2U CN220774007U (en) | 2023-09-18 | 2023-09-18 | Power cable with good cold resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522895.2U CN220774007U (en) | 2023-09-18 | 2023-09-18 | Power cable with good cold resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220774007U true CN220774007U (en) | 2024-04-12 |
Family
ID=90614542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322522895.2U Active CN220774007U (en) | 2023-09-18 | 2023-09-18 | Power cable with good cold resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220774007U (en) |
-
2023
- 2023-09-18 CN CN202322522895.2U patent/CN220774007U/en active Active
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