CN215377019U - Moisture-proof cable - Google Patents
Moisture-proof cable Download PDFInfo
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- CN215377019U CN215377019U CN202121804333.1U CN202121804333U CN215377019U CN 215377019 U CN215377019 U CN 215377019U CN 202121804333 U CN202121804333 U CN 202121804333U CN 215377019 U CN215377019 U CN 215377019U
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- Prior art keywords
- moisture
- proof cable
- layer
- cable according
- outer sheath
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- 239000004020 conductor Substances 0.000 claims abstract description 29
- 239000004677 Nylon Substances 0.000 claims abstract description 22
- 229920001778 nylon Polymers 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 238000009421 internal insulation Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 27
- 241000283984 Rodentia Species 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 206010002515 Animal bite Diseases 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cables, in particular to a moisture-proof cable, which comprises: the cable comprises a conductive core, an inner insulating layer, a water blocking layer and an outer sheath, wherein the inner insulating layer, the water blocking layer and the outer sheath are sequentially coated outside the conductive core, the conductive core comprises a single round conductor and a plurality of fan-shaped conductors, the plurality of fan-shaped conductors are jointly arranged around the round conductor, a plurality of bulges are arranged on the outer surface of the outer sheath, the bulges are arranged at equal intervals on the circumference, and a plurality of nylon wires are embedded in the bulges in a prefabricating manner.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a moisture-proof cable.
Background
The application of the cable is very wide, and the common cable is mainly applied to a power system, an information transmission system and the like, and the cable for power information comprises a local cable, a television cable, an optical cable and the like. In China, infrastructure construction is continuously invested, and the requirements of power cables are increasing day by day. Different areas have different performance requirements on power cables, for example, in the construction process of tunnels, culverts or subways, moisture can easily enter the power cables in the using process due to high humidity, so that the power transmission performance of the conductors is influenced, and under the humid environments, a plurality of rodents live in the places, such as rats and the like, gnaw the cables, so that the conductors of the cables are easily exposed in the air, and safety accidents are caused.
In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of scholars to actively make research and innovation, so as to create a moisture-proof cable, which is more practical.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the moisture-proof cable has the technical effects of moisture resistance and reduction of animal bite.
In order to achieve the purpose, the utility model adopts the technical scheme that: a moisture resistant cable comprising: electrically conductive core with cladding in proper order the internal insulation layer, the water-blocking layer and the oversheath in the electrically conductive core outside, electrically conductive core includes single circular conductor and a plurality of fan-shaped conductor, and is a plurality of fan-shaped conductor centers on jointly circular conductor lays, the oversheath surface is provided with the multichannel arch, protruding circumference equidistance is arranged, prefabricated embedding has a plurality of nylon filaments in the arch.
Furthermore, the circular conductor and the fan-shaped conductors are made of tinned copper.
Furthermore, the inner insulating layer is formed by extruding waterproof polyethylene or waterproof polyolefin materials.
Furthermore, the water-resistant layer is formed by extruding and wrapping polyurethane materials.
Further, an outer insulating layer is arranged between the waterproof layer and the outer sheath.
Furthermore, the outer insulating layer is made of radiation cross-linked polyolefin.
Furthermore, a nylon woven net layer is embedded in the outer sheath in a prefabricated mode.
Further, the outer surface of the outer sheath is coated with a layer of anticorrosive coating.
Further, the outer sheath is made of warm water crosslinked polyethylene.
Further, the cross section of the protrusion is in a shape of a semicircle or an isosceles triangle.
The utility model has the beneficial effects that: the conductive core of the utility model is composed of a circular conductor and a plurality of fan-shaped conductors, which are used for improving the roundness of the cable and reducing the gaps among the conductors, thereby reducing the moisture entering the inside of the conductive core, improving the moisture-proof performance of the cable, further blocking the moisture or moisture from entering the inside of the conductive core from the surface of the cable by arranging a water-blocking layer, therefore, the moisture resistance of the cable is improved, the plurality of bulges are arranged on the outer surface of the outer sheath, and the nylon wires are embedded in the bulges in advance, so that the rodent is prevented from biting, when the rodent bites the surface layer of the cable, the most outside bulge is contacted firstly, because the rodent does not like the nylon material, the rodent can bite the nylon wire continuously, therefore, the nylon wire is added into the bulge in advance to prevent the surface layer of the cable from being gnawed, and the cable is practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a moisture-proof cable according to an embodiment of the present invention.
Reference numerals: 1. A circular conductor; 2. a sector conductor; 3. an inner insulating layer; 4. a water resistant layer; 5. an outer sheath; 6. a protrusion; 7. nylon wire; 8. an outer insulating layer; 9. a nylon woven mesh layer; 10. and (4) an anticorrosive coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A moisture resistant cable as shown in fig. 1, comprising: the cable is suitable for underground humid environments such as culverts or tunnels and comprises a conductive core, an inner insulating layer 3, a water-resistant layer 4 and an outer sheath 5, wherein the inner insulating layer, the water-resistant layer and the outer sheath are sequentially coated on the outer side of the conductive core, the inner insulating layer 3, the water-resistant layer 4 and the outer sheath 5 are sequentially coated on the outer side of the conductive core, the conductive core comprises a single circular conductor 1 and a plurality of fan-shaped conductors 2, the fan-shaped conductors 2 are jointly distributed around the circular conductor 1, a plurality of bulges 6 are arranged on the outer surface of the outer sheath 5 at equal intervals, and a plurality of nylon filaments 7 are pre-embedded in the bulges 6. The moisture resistance of the cable is further improved. According to the utility model, the plurality of bulges 6 are arranged on the outer surface of the outer sheath 5, and the plurality of nylon wires 7 are embedded in the bulges 6 in a prefabricated manner, so that the rodent is prevented from being bitten, when the rodent bites the surface layer of the cable, the rodent firstly contacts the bulges 6 on the outermost side, and the rodent does not like a nylon material and bites the nylon wires 7 continuously, so that the surface layer of the cable is prevented from being bitten by adding the nylon wires 7 in advance in the bulges 6.
More specifically, the circular conductor 1 and the plurality of fan-shaped conductors 2 are made of tin-plated copper, and the tin-plated copper has high conductivity and good oxidation resistance.
More specifically, the inner insulating layer 3 is formed by extruding waterproof polyethylene or waterproof polyolefin, and the waterproof polyethylene or polyolefin with waterproof performance can further improve the waterproof performance of the cable and prevent moisture from permeating into the conductive core.
More specifically, the water-blocking layer 4 is formed by extruding polyurethane materials.
In order to further increase the insulation of the cable, an outer insulation layer 8 is also arranged between the water-resistant layer 4 and the outer sheath 5.
More specifically, the outer insulating layer 8 is made of radiation cross-linked polyolefin, and is good in waterproofness and ageing resistance.
In order to further promote the rodent-resistant nature of cable and gnaw the performance, the prefabricated embedding has one deck nylon to weave stratum reticulare 9 in the oversheath 5, the mode through the prefabricated embedding is added the nylon material and is compared more conventional direct set the nylon weaving layer 9 to the cable between certain two-layer in the oversheath 5 of cable, can make nylon weave net stronger with the oversheath 5's of cable cohesion, prevent to take place inside skew at the tractive in-process, and there is the clearance inside the nylon weave net, the mode through the prefabricated embedding can prevent that nylon from weaving the stratum reticulare 9 the inside and getting into moisture.
In order to increase the corrosion protection of the cable, the outer surface of the outer sheath 5 is coated with a corrosion protection coating 10.
More specifically, the outer sheath 5 is made of warm water crosslinked polyethylene.
More specifically, the cross section of the bulge 6 is in a semicircular shape or an isosceles triangle shape, the bulges 6 in the two shapes can be processed in the mean square mode, and the structure is simple.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A moisture resistant cable, comprising: electrically conductive core with cladding in proper order internal insulation layer (3), water-blocking layer (4) and oversheath (5) in the electrically conductive core outside, electrically conductive core includes single circular conductor (1) and a plurality of fan-shaped conductor (2), and is a plurality of fan-shaped conductor (2) center on jointly circular conductor (1) is laid, oversheath (5) surface is provided with the protruding (6) of multichannel, protruding (6) circumference equidistance is arranged, prefabricated embedding has a plurality of nylon silks (7) in protruding (6).
2. Moisture-proof cable according to claim 1, characterized in that the round conductor (1) and the plurality of sector conductors (2) are made of tin-plated copper.
3. Moisture-proof cable according to claim 1, characterized in that the inner insulating layer (3) is extruded from a waterproof polyethylene or a waterproof polyolefin.
4. Moisture-proof cable according to claim 1, characterized in that the moisture-proof layer (4) is extruded from a polyurethane material.
5. Moisture-proof cable according to claim 1, characterized in that an outer insulation layer (8) is further provided between the moisture-proof layer (4) and the outer sheath (5).
6. Moisture-proof cable according to claim 5, characterized in that the outer insulating layer (8) is of radiation-crosslinked polyolefin.
7. Moisture-proof cable as claimed in claim 1, characterized in that said outer sheath (5) is internally preformed with a layer of woven mesh of nylon (9).
8. Moisture-proof cable according to claim 1, characterized in that the outer surface of the outer sheath (5) is coated with a corrosion-resistant coating (10).
9. Moisture-proof cable according to claim 1, characterized in that the outer sheath (5) is of warm water cross-linked polyethylene.
10. Moisture-proof cable according to claim 1, characterized in that the cross-sectional shape of the protrusion (6) is semicircular or isosceles triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804333.1U CN215377019U (en) | 2021-08-03 | 2021-08-03 | Moisture-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121804333.1U CN215377019U (en) | 2021-08-03 | 2021-08-03 | Moisture-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377019U true CN215377019U (en) | 2021-12-31 |
Family
ID=79615273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121804333.1U Active CN215377019U (en) | 2021-08-03 | 2021-08-03 | Moisture-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377019U (en) |
-
2021
- 2021-08-03 CN CN202121804333.1U patent/CN215377019U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 9 Yuanjiang Road, Lusigang Economic Development Zone, Qidong City, Nantong City, Jiangsu Province, China, 214205 Patentee after: Yusheng Electric Co.,Ltd. Country or region after: China Address before: 214205 No.101 hengtongdao, Xinjie street, Yixing City, Wuxi City, Jiangsu Province Patentee before: Yusheng Electric Co.,Ltd. Country or region before: China |