CN216957551U

CN216957551U - Oil-impregnated paper insulation power cable

Info

Publication number: CN216957551U
Application number: CN202122823938.1U
Authority: CN
Inventors: 王蓬勃
Original assignee: Individual
Current assignee: Shaanxi Zhengao Electronic Intelligent Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-12
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of power cables, and discloses an oil-impregnated paper insulated power cable which comprises a supporting layer, wherein the supporting layer is in a round sleeve shape, a filling layer is arranged on the inner side of the supporting layer, an installation through hole is horizontally formed in the filling layer from front to back, a wire core is horizontally arranged in the installation through hole, a heat dissipation layer is sleeved on the outer side of the supporting layer, a buffer layer is arranged between the heat dissipation layer and the supporting layer, a second heat dissipation hole is uniformly formed in the outer surface of the heat dissipation layer in a penetrating mode, an oil-impregnated paper layer is uniformly arranged on the outer surface of the heat dissipation layer, a heat preservation layer is uniformly arranged on the outer surface of the oil-impregnated paper layer, buffer holes are horizontally formed in the heat preservation layer from front to back, and the buffer holes are uniformly formed in the heat preservation layer in a circle in a surrounding mode. This oil-immersed paper insulation power cable, through setting up filling layer and louvre one and go out the heat conduction that the sinle silk produced, improve the life of sinle silk, through setting up buffer layer and gentle punching a hole, provide this power cable's shock resistance.

Description

Oil-impregnated paper insulation power cable

Technical Field

The utility model relates to the technical field of power cables, in particular to an oil-impregnated paper insulated power cable.

Background

With the rapid development of power cable buried laying engineering, the cable protection sleeve is made of Polyethylene (PE) and a high-quality steel pipe through sand blasting and shot blasting pretreatment, plastic dipping or coating, and heating and curing processes. It is one of the most commonly used electrically insulating tubes for protecting wires and cables. It is widely used because of its good insulating property, high chemical stability, no rusting, no aging, and adaptability to harsh environment. The existing insulated power cable has the advantages of general power transmission effect, poor structural stability, easy aging and short service life, so that the oil-impregnated paper insulated power cable is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil-impregnated paper insulated power cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an oil-impregnated paper insulated power cable comprises a supporting layer, wherein the supporting layer is arranged in a circular sleeve manner, a filling layer is arranged on the inner side of the supporting layer, an installation through hole is horizontally formed in the inner part of the filling layer from front to back, a wire core is horizontally arranged in the installation through hole, a heat dissipation layer is sleeved on the outer side of the supporting layer, a buffer layer is arranged between the heat dissipation layer and the supporting layer, a second heat dissipation hole is uniformly formed in the outer surface of the heat dissipation layer in a penetrating manner, an oil-impregnated paper layer is uniformly arranged on the outer surface of the heat dissipation layer, a heat preservation layer is uniformly arranged on the outer surface of the oil-impregnated paper layer, buffer holes are horizontally formed in the heat preservation layer from front to back, the buffer holes are surrounded into a circle and are uniformly arranged in the heat preservation layer, a heat insulation layer is uniformly arranged on the outer surface of the heat preservation layer, a flame retardant layer is uniformly arranged on the outer surface of the flame retardant layer, and a protective layer is uniformly arranged on the outer surface of the flame retardant layer, through setting up filling layer and louvre one the heat conduction that produces the sinle silk goes out, improves the life of sinle silk.

Preferably, the sinle silk surface evenly is provided with the insulating layer, the insulating layer surface evenly is provided with the shielding layer, the shielding layer surface evenly is provided with louvre one.

Preferably, insulating layer inner wall and sinle silk surface fixed connection, shielding layer inner wall and insulating layer surface fixed connection, shielding layer outer surface and installation through-hole inner wall fixed connection, the insulating layer is made by the butadiene rubber material, the shielding layer is worked out by the metal copper wire and forms.

Preferably, the buffer layer cross-section sets up for the wave, the buffer layer thickness is 3mm, the buffer layer is made by the silica gel material, the heat dissipation layer is made by graphite alkene material, through setting up the buffer layer and slowly punching the hole, provides this power cable's shock resistance.

Preferably, the inner side surface of the heat insulation layer is fixedly connected with the outer surface of the oil-immersed paper layer, the inner wall of the heat insulation layer is fixedly connected with the outer surface of the heat insulation layer, the heat insulation layer is made of polyurethane foam materials, and the heat insulation layer is made of aerogel felt materials made of nano silicon dioxide.

Preferably, the inner wall of the flame-retardant layer is fixedly connected with the outer surface of the heat insulation layer, the thickness of the flame-retardant layer is 4mm, and the flame-retardant layer is made of a flame-retardant chenille layer material.

Preferably, inoxidizing coating inner wall and fire-retardant layer surface fixed connection, the protective layer thickness is 3mm, the inoxidizing coating is made by the PET material.

Compared with the prior art, the utility model has the beneficial effects that: this oil-immersed paper insulation power cable, through setting up filling layer and louvre one and go out the heat conduction that the sinle silk produced, improve the life of sinle silk, through setting up buffer layer and gentle punching a hole, provide this power cable's shock resistance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall front structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention.

In the figure: the insulation layer comprises a supporting layer 1, a filling layer 2, mounting through holes 3, a wire core 4, an insulation layer 5, a shielding layer 6, a first heat dissipation hole 7, a heat dissipation layer 8, a second heat dissipation hole 9, a buffer layer 10, an oil-immersed paper layer 11, a heat insulation layer 12, a buffer hole 13, a heat insulation layer 14, a flame-retardant layer 15 and a protective layer 16.

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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an oil-impregnated paper insulated power cable comprises a supporting layer 1, wherein the supporting layer 1 is arranged in a round sleeve shape, a filling layer 2 is arranged on the inner side of the supporting layer 1, a mounting through hole 3 is horizontally formed in the filling layer 2 from front to back, a wire core 4 is horizontally arranged in the mounting through hole 3, heat generated by the wire core 4 is conducted out by arranging the filling layer 2 and a heat dissipation hole I7, the service life of the wire core 4 is prolonged, a heat dissipation layer 8 is sleeved on the outer side of the supporting layer 1, a buffer layer 10 is arranged between the heat dissipation layer 8 and the supporting layer 1, a heat dissipation hole II 9 is uniformly communicated with the outer surface of the heat dissipation layer 8, an oil-impregnated paper layer 11 is uniformly arranged on the outer surface of the oil-impregnated paper layer 11, a heat preservation layer 12 is uniformly arranged on the outer surface of the heat preservation layer 12 from front to back, buffer holes 13 are horizontally formed in a circle by enclosing the buffer holes 13 and are uniformly arranged in the heat preservation layer 12, and a heat preservation layer 14 is uniformly arranged on the outer surface of the heat preservation layer 12, the outer surface of the heat insulation layer 14 is uniformly provided with a flame retardant layer 15, the outer surface of the flame retardant layer 15 is uniformly provided with a protective layer 16, the outer surface of the wire core 4 is uniformly provided with an insulating layer 5, the outer surface of the insulating layer 5 is uniformly provided with a shielding layer 6, the outer surface of the shielding layer 6 is uniformly provided with a first heat dissipation hole 7, the inner wall of the insulating layer 5 is fixedly connected with the outer surface of the wire core 4, the inner wall of the shielding layer 6 is fixedly connected with the outer surface of the insulating layer 5, the outer surface of the shielding layer 6 is fixedly connected with the inner wall of the installation through hole 3, the insulating layer 5 is made of butadiene rubber material, the shielding layer 6 is woven by metal copper wires, the section of the buffer layer 10 is in a wave shape, the thickness of the buffer layer 10 is 3mm, the buffer layer 10 is made of silica gel material, the heat dissipation layer 8 is made of graphene material, the buffer layer 10 and the slow punching hole 13 are arranged to provide the impact resistance of the power cable, and the inner side surface of the heat insulation layer 12 is fixedly connected with the outer surface of the oil-immersed paper layer 11, insulating layer 14 inner wall and 12 outer fixed surface connections of heat preservation, the heat preservation is made by polyurethane foam, insulating layer 14 is made by the aerogel felt material that nano-silica made, 15 inner walls of fire-retardant layer and 15 outer fixed surface connections of insulating layer, 15 thickness on fire-retardant layer are 4mm, 15 layers of fire-retardant layer are made by fire-retardant chenille layer material, 16 inner walls of inoxidizing coating and 15 outer fixed surface connections of fire-retardant layer, 16 thickness of inoxidizing coating are 3mm, inoxidizing coating 16 is made by the PET material.

During the use, go out the heat conduction that sinle silk 4 produced through setting up filling layer 2 and louvre 7, improve sinle silk 4's life, through setting up buffer layer 10 and the 13 that slowly punches a hole, provide this power cable's shock resistance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oily paper insulation power cable, includes supporting layer (1), its characterized in that: the round sleeve type heat insulation layer is characterized in that the supporting layer (1) is arranged in a round sleeve type manner, a filling layer (2) is arranged on the inner side of the supporting layer (1), an installation through hole (3) is horizontally formed in the filling layer (2) from front to back, a wire core (4) is horizontally arranged in the installation through hole (3), a heat dissipation layer (8) is sleeved on the outer side of the supporting layer (1), a buffer layer (10) is arranged between the heat dissipation layer (8) and the supporting layer (1), heat dissipation holes (9) are uniformly formed in the outer surface of the heat dissipation layer (8) in a penetrating manner, an oil-immersed paper layer (11) is uniformly arranged on the outer surface of the oil-immersed paper layer (11), a heat insulation layer (12) is uniformly arranged on the outer surface of the heat insulation layer (12), buffer holes (13) are horizontally formed in the heat insulation layer (12) from front to back, a circle of the buffer holes (13) is uniformly formed in the heat insulation layer (12), and a heat insulation layer (14) is uniformly arranged on the outer surface of the heat insulation layer (12), the outer surface of the heat insulation layer (14) is uniformly provided with a flame retardant layer (15), and the outer surface of the flame retardant layer (15) is uniformly provided with a protective layer (16).

2. The oil-impregnated paper insulated power cable according to claim 1, characterized in that: the cable comprises a cable core (4), wherein an insulating layer (5) is uniformly arranged on the outer surface of the cable core (4), a shielding layer (6) is uniformly arranged on the outer surface of the insulating layer (5), and heat dissipation holes I (7) are uniformly formed in the outer surface of the shielding layer (6).

3. The oil-impregnated paper insulated power cable of claim 2, wherein: insulating layer (5) inner wall and sinle silk (4) fixed surface are connected, shielding layer (6) inner wall and insulating layer (5) fixed surface are connected, shielding layer (6) surface and installation through-hole (3) inner wall fixed connection, insulating layer (5) are made by the butadiene rubber material, shielding layer (6) are worked out by the metal copper wire and are formed.

4. The oil-impregnated paper insulated power cable of claim 1, wherein: buffer layer (10) cross-section is the wave setting, buffer layer (10) thickness is 3mm, buffer layer (10) are made by the silica gel material, heat dissipation layer (8) are made by graphite alkene material.

5. The oil-impregnated paper insulated power cable according to claim 1, characterized in that: the inner side face of the heat insulation layer (12) is fixedly connected with the outer surface of the oil-immersed paper layer (11), the inner wall of the heat insulation layer (14) is fixedly connected with the outer surface of the heat insulation layer (12), the heat insulation layer is made of polyurethane foam materials, and the heat insulation layer (14) is made of aerogel felt materials made of nano silicon dioxide.

6. The oil-impregnated paper insulated power cable according to claim 1, characterized in that: the inner wall of the flame-retardant layer (15) is fixedly connected with the outer surface of the heat-insulating layer (14), the thickness of the flame-retardant layer (15) is 4mm, and the flame-retardant layer (15) is made of a flame-retardant chenille layer material.

7. The oil-impregnated paper insulated power cable according to claim 1, characterized in that: the inner wall of the protective layer (16) is fixedly connected with the outer surface of the flame-retardant layer (15), the thickness of the protective layer (16) is 3mm, and the protective layer (16) is made of PET materials.