CN211879068U - Power cable - Google Patents

Power cable Download PDF

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Publication number
CN211879068U
CN211879068U CN202020453015.4U CN202020453015U CN211879068U CN 211879068 U CN211879068 U CN 211879068U CN 202020453015 U CN202020453015 U CN 202020453015U CN 211879068 U CN211879068 U CN 211879068U
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CN
China
Prior art keywords
layer
outside
cable
power cable
dampproof course
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Active
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CN202020453015.4U
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Chinese (zh)
Inventor
张抒怀
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Kunming Kunming Railway Cable Co.,Ltd.
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张抒怀
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Priority to CN202020453015.4U priority Critical patent/CN211879068U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme 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 a power cable technical field especially relates to a power cable, including the cable core, the outside of cable core is equipped with the structural protection layer, the inside packing of structural protection layer has insulating filling layer, the outside of structural protection layer is equipped with the metallic shield, the outside of metallic shield is equipped with the fire prevention insulating layer, the outside of fire prevention insulating layer is equipped with the dampproof course, the inside of dampproof course is equipped with the filling layer, the dampproof course outside is equipped with the enhancement layer, the inside of enhancement layer is equipped with a plurality of strengthening ribs, the outside of enhancement layer is equipped with first inoxidizing coating, the outer wall of first inoxidizing coating is equipped with protective coating, this cable reasonable in design simple structure, the function of the abundant cable of very big degree, has promoted the protective capacities of cable, has prolonged life, is fit for promoting.

Description

Power cable
Technical Field
The utility model relates to a power cable technical field especially relates to a power cable.
Background
The power cable is called as artery and nerve of national economy, is an indispensable basic device for transmitting electric energy, transmitting information, manufacturing various motors, instruments and meters and realizing electromagnetic energy conversion, is a necessary basic product in future electrification and information society, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, and has the proportion gradually increased in the power line. The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises various insulated power cables with voltage grades of 1-500KV and above, but the existing power cable has a large number of defects, such as low structural strength, moisture and fire resistance, and greatly reduced service life, and therefore the power cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that has structural strength low among the prior art, can not dampproofing fire prevention, and the power cable who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a power cable, includes the cable core, the outside of cable core is equipped with the structural protection layer, the inside packing of structural protection layer has insulating filling layer, the outside of structural protection layer is equipped with the metallic shield layer, the outside of metallic shield layer is equipped with the fire prevention insulating layer, the outside of fire prevention insulating layer is equipped with the dampproof course, the inside of dampproof course is equipped with the filling layer, the dampproof course outside is equipped with the enhancement layer, the inside of enhancement layer is equipped with a plurality of strengthening ribs, the outside of enhancement layer is equipped with first inoxidizing coating, the outer wall of first inoxidizing coating is equipped with protective coating.
Preferably, the first protective layer is of an insulating high-density polyethylene material structure, and the protective coating is of an asphalt anticorrosive paint structure.
Preferably, the reinforcing layer is made of resin-vulcanized butyl rubber, the reinforcing ribs are made of heat-resistant glass fiber materials, the reinforcing ribs are uniformly filled in the reinforcing layer in a surrounding manner, and the reinforcing ribs are wound by asbestos fibers woven into a net shape.
Preferably, a filling layer which is arranged in a circle in a shape like a Chinese character 'hui' is arranged inside the moisture-proof layer, and the filling layer is compressed activated carbon powder.
Preferably, the metal shielding layer is a net cage-shaped structure woven by ultra-light metallized fibers, and the fireproof heat insulation layer is made of resin vulcanized butyl rubber materials.
The utility model provides a pair of power cable, beneficial effect lies in: through setting up first inoxidizing coating and protective coating, the wear-resisting corrosion resisting property of cable has been promoted, through setting up enhancement layer and strengthening rib have promoted the structural strength of cable, through setting up the dampproof course, the protection cable avoids leading to the short circuit because of weing, influence life through setting up the metallic shield layer, come to carry out electrostatic shielding to inside cable core, it makes the cable impaired to avoid leading to local overstock for electrostatic induction, this cable reasonable in design simple structure, the function of cable has been richened to very big degree, the protective capacities of cable has been promoted, the service life is prolonged, and the novel electrostatic shielding cable is suitable for being promoted.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of a power cable according to the present invention.
In the figure: the cable comprises a protective coating 1, a first protective layer 2, a reinforcing rib 3, a reinforcing layer 4, a moisture-proof layer 5, a filling layer 6, a fireproof heat-insulating layer 7, a metal shielding layer 8, a structural protective layer 9, an insulating filling layer 10 and a cable core 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a power cable, including cable core 11, cable core 11's outside is equipped with structural protection layer 9, structural protection layer 9's inside packing has insulating filling layer 10, structural protection layer 9's outside is equipped with metallic shield 8, metallic shield 8's outside is equipped with fire prevention insulating layer 7, fire prevention insulating layer 7's outside is equipped with dampproof course 5, dampproof course 5's inside is equipped with filling layer 6, dampproof course 5 outside is equipped with enhancement layer 4, the inside of enhancement layer 4 is equipped with a plurality of strengthening ribs 3, the outside of enhancement layer 4 is equipped with first inoxidizing coating 2, the outer wall of first inoxidizing coating 2 is equipped with protective coating 1.
The first protective layer 2 is an insulating high-density polyethylene material structure, the protective coating 1 is an asphalt anticorrosive coating structure, the wear-resistant and anticorrosive performance of the cable is improved, the reinforcing layer 4 is a butyl rubber material vulcanized by resin, the reinforcing ribs 3 are heat-resistant glass fiber materials, the reinforcing ribs 3 are uniformly filled in the reinforcing layer 4 in an annular mode, the reinforcing ribs 3 are wound by woven reticular asbestos fibers, the structural strength of the cable is improved, the filling layer 6 arranged in a circle in a shape like a Chinese character 'hui' is arranged in the moisture-proof layer 5, the filling layer 6 is compressed activated carbon powder, the cable is protected from short circuit caused by dampness, the service life of the cable is influenced, the metal shielding layer 8 is a mesh cage structure woven by ultra-light metal-plated fibers, the cable is prevented from being damaged due to local overstock caused by electrostatic induction, the fireproof thermal insulation layer 7 is a resin vulcanized butyl rubber material, the fireproof and high-temperature resistance of the cable is, further prolonging the service life.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a power cable, includes cable core (11), its characterized in that, the outside of cable core (11) is equipped with structural protection layer (9), the inside packing of structural protection layer (9) has insulating filling layer (10), the outside of structural protection layer (9) is equipped with metallic shield (8), the outside of metallic shield (8) is equipped with fire prevention insulating layer (7), the outside of fire prevention insulating layer (7) is equipped with dampproof course (5), the inside of dampproof course (5) is equipped with filling layer (6), dampproof course (5) outside is equipped with enhancement layer (4), the inside of enhancement layer (4) is equipped with a plurality of strengthening ribs (3), the outside of enhancement layer (4) is equipped with first inoxidizing coating (2), the outer wall of first inoxidizing coating (2) is equipped with protective coating (1).
2. A power cable according to claim 1, characterized in that said first protective layer (2) is of insulating high density polyethylene material construction and said protective coating (1) is of asphalt anti-corrosive paint construction.
3. A power cable according to claim 1, characterized in that the reinforcing layer (4) is a resin-vulcanized butyl rubber material, the reinforcing ribs (3) are heat-resistant glass fibre material, and the reinforcing ribs (3) are uniformly filled around the inside of the reinforcing layer (4), and the reinforcing ribs (3) are wound with asbestos fibres woven in a net-like shape.
4. A power cable according to claim 1, characterized in that the moisture barrier (5) is internally provided with a filler layer (6) arranged circumferentially in a zigzag shape, and the filler layer (6) is compressed activated carbon powder.
5. A power cable according to claim 1, characterized in that said metallic shielding layer (8) is a cage-like structure woven from ultra-light metallized fibers and said fire-resistant insulating layer (7) is a resin-vulcanized butyl rubber material.
CN202020453015.4U 2020-04-01 2020-04-01 Power cable Active CN211879068U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020453015.4U CN211879068U (en) 2020-04-01 2020-04-01 Power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020453015.4U CN211879068U (en) 2020-04-01 2020-04-01 Power cable

Publications (1)

Publication Number Publication Date
CN211879068U true CN211879068U (en) 2020-11-06

Family

ID=73257438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020453015.4U Active CN211879068U (en) 2020-04-01 2020-04-01 Power cable

Country Status (1)

Country Link
CN (1) CN211879068U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220104

Address after: 651700 No. 18 Tianshui Road, Yanglin Industrial Park, Songming County, Kunming City, Yunnan Province

Patentee after: Kunming Kunming Railway Cable Co.,Ltd.

Address before: 458000 No.102, unit 4, West Building 7, Green Manor, Qibin Avenue, Qibin District, Hebi City, Henan Province

Patentee before: Zhang Shuhuai

TR01 Transfer of patent right