CN215377016U - Wear-resistant and high-radiation-resistant power cable - Google Patents
Wear-resistant and high-radiation-resistant power cable Download PDFInfo
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- CN215377016U CN215377016U CN202121714449.6U CN202121714449U CN215377016U CN 215377016 U CN215377016 U CN 215377016U CN 202121714449 U CN202121714449 U CN 202121714449U CN 215377016 U CN215377016 U CN 215377016U
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- power cable
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- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- -1 polyethylene Polymers 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 229920001721 polyimide Polymers 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004642 Polyimide Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 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 description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 4
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
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Classifications
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- 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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Abstract
The utility model relates to the technical field of power cables, in particular to a wear-resistant and high-radiation-resistant power cable, which comprises: the cable core is formed by twisting a plurality of groups of cable cores, and the outer side of the cable core is sequentially coated with a polyimide wrapping layer, a metal braided shielding layer, a water blocking layer, a fireproof layer and a wear-resistant polyethylene sheath layer.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a wear-resistant and high-radiation-resistant power cable.
Background
Cable is a generic term for optical cables, electrical cables, and the like. Cables are used in many applications, mainly for controlling installations, connecting equipment, transmitting power, and the like. In the underground construction process, the normal operation of equipment needs to transmit power by a power cable, and the underground light-transmitting and air-permeable environment is poorer than the ground surface, so that the underground is darker and wetter, most of the existing cables are poor in fire resistance and easy to catch fire; the moisture-proof effect is poor, and the corrosion and aging of the cable are easily caused; and the friction resistance is not good, and the surface is easy to be damaged in the dragging process, thereby bringing potential safety hazards.
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 actively researched and innovated in cooperation with the application of theory, so as to create a wear-resistant and high-radiation-resistant power cable, and the cable is more practical.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the wear-resistant high-radiation-resistant power cable has excellent radiation resistance, high temperature resistance, corrosion resistance and other properties.
In order to achieve the purpose, the utility model adopts the technical scheme that: a wear-resistant high-radiation-resistant power cable comprising: the cable core that forms by the transposition of multiunit sinle silk, the cable core outside cladding has polyimide in proper order around covering, metal woven shield, water blocking layer, flame retardant coating and wear-resisting polyethylene restrictive coating.
Furthermore, the wire core comprises a copper conductor and an ethylene propylene rubber insulating layer coated on the outer side of the copper conductor.
Further, the number of the wire cores is at least 5 groups.
Further, the copper conductor is a plurality of twisted tinned copper wires.
Further, set up the reinforcement core in the intermediate space that forms between the multiunit sinle silk, the reinforcement core includes carbon fiber core and cladding the buffer layer in the carbon fiber core outside.
Furthermore, the water-blocking layer is formed by wrapping a water-blocking tape.
Furthermore, the fireproof layer is formed by wrapping mica tapes.
Furthermore, the metal braided shielding layer is formed by braiding copper wires, the braiding density is larger than 75%, and the diameter of each copper wire is 0.08-0.2 mm.
Further, the outer surface of the wear-resistant polyethylene sheath layer is provided with arc-shaped protrusions, and the arc-shaped protrusions are arranged at equal intervals on the circumference.
Furthermore, the height of the arc-shaped protrusions is 2-5mm, and the gap between every two adjacent arc-shaped protrusions is 2-5 mm.
The utility model has the beneficial effects that: the cable uses the polyimide material as the wrapping layer, the polyimide film has excellent radiation resistance, high temperature resistance, corrosion resistance and other properties, the radiation resistance, the high temperature resistance, the corrosion resistance and other properties of the cable can be greatly improved when the polyimide film is used in the cable, the metal braided shielding layer is arranged in the cable to weaken inductance and reduce loss, so that surrounding communication equipment cannot be interfered, the water blocking layer is arranged to reduce water from immersing into the copper conductor to prevent the copper conductor from being oxidized, the fireproof layer is arranged to prevent the outside from catching fire to ignite the cable, the wear resistance of the cable is increased by arranging the wear-resistant polyethylene sheath layer, the loss of the outer layer of the cable can be reduced in the dragging use process, the service life of the cable is prolonged, and the polyimide film has practicability.
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 diagram of a wear-resistant high-radiation-resistant power cable in an embodiment of the utility model.
Reference numerals: 1. a copper conductor; 2. an ethylene propylene rubber insulating layer; 3. a polyimide lapping layer; 4. a metal braided shield layer; 5. a water resistant layer; 6. a fire barrier layer; 7. a wear-resistant polyethylene sheath layer; 8. a carbon fiber core; 9. a buffer layer; 10. and an arc-shaped bulge.
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 wear-resistant high-radiation-resistant power cable as shown in fig. 1, comprising: the cable core is formed by stranding a plurality of groups of wire cores, a polyimide wrapping layer 3, a metal braided shielding layer 4, a water resisting layer 5, a fireproof layer 6 and a wear-resistant polyethylene sheathing layer 7 are sequentially coated on the outer side of the cable core, a polyimide material is used as the wrapping layer in the cable, a polyimide film has excellent performances of radiation resistance, high temperature resistance, corrosion resistance and the like, the performances of radiation resistance, high temperature resistance, corrosion resistance and the like of the cable can be greatly improved when the polyimide film is used in the cable, the metal braided shielding layer 4 is arranged in the cable to weaken inductance and reduce loss, so that surrounding communication equipment cannot be interfered, the water resisting layer 5 is arranged to reduce water from being immersed into the copper conductor 1 to prevent the copper conductor 1 from being oxidized, the fireproof layer 6 is arranged to prevent the outside from catching fire to ignite the cable, and the wear resistance of the cable is improved by arranging the wear-resistant polyethylene sheathing layer 7, during towing use, the loss of the outer layer of the cable can be reduced, thereby prolonging the service life of the cable.
More specifically, the wire core comprises a copper conductor 1 and an ethylene propylene rubber insulating layer 2 coated on the outer side of the copper conductor 1, and the ethylene propylene rubber has excellent ozone resistance, heat resistance and other aging resistance because the main chain of the ethylene propylene rubber is composed of chemically stable saturated hydrocarbon, has the characteristic of ultraviolet radiation resistance, and can effectively increase the radiation resistance of the cable when used in the cable material.
More specifically, the quantity of sinle silk is 5 groups at least, and multiunit sinle silk more can increase the circularity of cable, prevents that the cable from taking place to warp after long-term the use.
More specifically, copper conductor 1 is the tinned wire that many twists together, and the tinned wire is the conventional material of cable, and self is difficult for taking place the oxidation, and electric conductivity is good under the long-term use.
In order to increase the tensile property of the cable, a reinforcing core is arranged in a middle gap formed between the multiple groups of wire cores, and the reinforcing core comprises a carbon fiber core 8 and a buffer layer 9 coated on the outer side of the carbon fiber core 8.
More specifically, the water-blocking layer 5 is formed by wrapping a water-blocking tape, and the water-blocking tape is made of a conventional water-blocking material in cable materials and has a good water-blocking effect.
More specifically, the fireproof layer 6 is formed by wrapping mica tapes, and the mica tapes are not flammable and have a good flame-retardant effect.
More specifically, the metal braided shield layer 4 is braided by copper wires, the braiding density is greater than 75%, the diameter of the copper wires is 0.08mm-0.2mm, and the shielding effect of the metal braided shield layer 4 is enhanced by designing the braiding density to be greater than 75%.
In order to increase the wearability of wear-resisting polyethylene restrictive coating 7, wear-resisting polyethylene restrictive coating 7 surface is provided with the protruding 10 of arc, and the protruding 10 circumference equidistance of arc is arranged, comes with ground direct contact through setting up the protruding 10 of arc to effectively prevent that wear-resisting polyethylene restrictive coating 7 body from producing the friction with ground contact, thereby increased the wearability of cable, the inner layer structure of protection cable.
More specifically, the height of the arc-shaped protrusions 10 is 2-5mm, the gap between every two adjacent arc-shaped protrusions 10 is 2-5mm, the processing is convenient, the arc-shaped protrusions 10 can guarantee the contact between the wear-resistant polyethylene sheath layer 7 body and the ground within the range, the material consumption is low, and the material cost is low.
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 wear-resistant high-radiation-resistant power cable, comprising: the cable core that forms by the transposition of multiunit sinle silk, the cable core outside cladding has polyimide in proper order around covering (3), metal woven shield (4), water blocking layer (5), flame retardant coating (6) and wear-resisting polyethylene restrictive coating (7).
2. The abrasion-resistant high-radiation-resistant power cable according to claim 1, wherein the wire core comprises a copper conductor (1) and an ethylene propylene rubber insulating layer (2) coated outside the copper conductor (1).
3. A wear-resistant high-radiation-resistant power cable according to claim 1, characterized in that the number of cores is at least 5 groups.
4. A wear-resistant high-radiation-resistant power cable according to claim 2, characterized in that the copper conductor (1) is a plurality of twisted tinned copper wires.
5. A wear-resistant high-radiation-resistant power cable according to claim 1, characterized in that a reinforcing core is arranged in the intermediate space formed between the groups of cores, and the reinforcing core comprises a carbon fiber core (8) and a buffer layer (9) coated outside the carbon fiber core (8).
6. The abrasion-resistant high-radiation-resistant power cable according to claim 1, wherein the water-blocking layer (5) is formed by wrapping a water-blocking tape.
7. A wear-resistant high-radiation-resistant power cable according to claim 1, wherein the fire-resistant layer (6) is wrapped with mica tape.
8. A wear-resistant high-radiation-resistant power cable according to claim 1, characterized in that the metallic braided shield (4) is braided from copper wires with a braiding density of more than 75%, the diameter of the copper wires being 0.08-0.2 mm.
9. The abrasion-resistant high-radiation-resistant power cable according to claim 1, wherein the outer surface of the abrasion-resistant polyethylene sheath layer (7) is provided with arc-shaped protrusions (10), and the arc-shaped protrusions (10) are circumferentially arranged at equal intervals.
10. A wear-resistant high-radiation-resistant power cable according to claim 9, characterized in that the height of the arc-shaped protrusions (10) is 2-5mm, and the gap between adjacent arc-shaped protrusions (10) is 2-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714449.6U CN215377016U (en) | 2021-07-26 | 2021-07-26 | Wear-resistant and high-radiation-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714449.6U CN215377016U (en) | 2021-07-26 | 2021-07-26 | Wear-resistant and high-radiation-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377016U true CN215377016U (en) | 2021-12-31 |
Family
ID=79612124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121714449.6U Active CN215377016U (en) | 2021-07-26 | 2021-07-26 | Wear-resistant and high-radiation-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377016U (en) |
-
2021
- 2021-07-26 CN CN202121714449.6U patent/CN215377016U/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 |