CN215265636U

CN215265636U - Anticreep high temperature resistant power cable

Info

Publication number: CN215265636U
Application number: CN202120708062.3U
Authority: CN
Inventors: 苏浩晴; 苏璇; 张金利
Original assignee: Nanjing Sulan Cable Manufacturing Co ltd
Current assignee: Nanjing Sulan Cable Manufacturing Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-21
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an anti-creeping high-temperature-resistant power cable, which comprises a heat dissipation component, a conductive component and a filling layer; the radiating assembly is arranged in the center of the anti-creeping high-temperature-resistant power cable, a radiating silicone layer is arranged on the outer side of the radiating assembly, a conductive assembly is arranged around the radiating assembly, and filling layers are arranged on the outer sides of the radiating assembly and the conductive assembly and uniformly coated on the outer sides of the radiating assembly and the conductive assembly; an outer insulating layer is coated on the outer side of the filling layer, a shielding layer is coated on the outer side of the outer insulating layer, an anticorrosive layer is coated on the outer side of the shielding layer, an inner protective sleeve is coated on the outer side of the anticorrosive layer, a heat-preservation cotton layer is coated on the outer side of the inner protective sleeve, and an outer protective sleeve is coated on the outer side of the heat-preservation cotton layer; the heat dissipation assembly consists of a heat absorption ring, an annular heat conduction sheet, a graphite heat dissipation layer and heat dissipation holes; the anti-creeping high-temperature-resistant power cable improves the high-temperature-resistant performance of the cable and can effectively prevent the generation of a creepage phenomenon.

Description

Anticreep high temperature resistant power cable

Technical Field

The utility model relates to a power cable field, in particular to anticreep high temperature resistant power cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including 1-500K and above various voltage classes, various insulated power cables. Power cables are used in today's society and are widespread, and they play an important role in the transmission of electric circuits. However, in the use process of the existing power cable, the cable is in a high-temperature state due to external conditions and self electrification, so that the use of the cable is seriously influenced, and the service life of the cable is shortened; in addition, the cable is often affected by external force and damages the protective layer of the cable, so that the cable generates a leakage phenomenon and serious harm is caused to people.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a anticreep high temperature resistant power cable can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-creeping high-temperature-resistant power cable comprises a heat dissipation assembly, a conductive assembly and a filling layer; the radiating assembly is arranged in the center of the anti-creeping high-temperature-resistant power cable, the outer side of the radiating assembly is provided with a radiating silicone layer, the periphery of the radiating assembly is provided with three groups of conducting assemblies, the three groups of conducting assemblies are uniformly distributed around the radiating assembly, the outer sides of the radiating assembly and the conducting assemblies are provided with filling layers, and the filling layers are uniformly coated on the outer sides of the radiating assembly and the conducting assemblies; an outer insulating layer is coated on the outer side of the filling layer, a shielding layer is coated on the outer side of the outer insulating layer, an anticorrosive layer is coated on the outer side of the shielding layer, an inner protective sleeve is coated on the outer side of the anticorrosive layer, a heat-preservation cotton layer is coated on the outer side of the inner protective sleeve, and an outer protective sleeve is coated on the outer side of the heat-preservation cotton layer; the heat dissipation assembly consists of a heat absorption ring, an annular heat conduction sheet, a graphite heat dissipation layer and heat dissipation holes; the heat absorption ring is fixed at the tail end of the support rod, an annular heat conduction sheet is arranged inside the heat absorption ring, a graphite heat dissipation layer is filled in the annular heat conduction sheet, and heat dissipation holes are formed in the graphite heat dissipation layer; the anticorrosive coating is made of polyethylene.

Preferably, the outer side of the outer protective sleeve is provided with protrusions, the protrusions are eighteen groups in total, and the protrusions are uniformly arrayed on the outer side of the outer protective sleeve.

Preferably, the outside of radiator unit is provided with the bracing piece, and the bracing piece is three in total, and the one end of bracing piece is fixed in radiator unit, and the other end of bracing piece is fixed on the cotton layer of heat preservation.

Preferably, the conductive assembly consists of an inner insulating layer, a heat conducting silicone layer and a conductor; the conductor is made of copper alloy, the outer side of the conductor is coated with a heat conduction silicone grease layer, and the outer side of the heat conduction silicone grease layer is coated with an inner insulating layer.

Preferably, the heat-conducting silicone grease layer is made of a high-heat-conducting insulating organic silicon material.

Compared with the prior art, the utility model discloses following beneficial effect has: the anti-creeping high-temperature-resistant power cable is internally provided with the outer protective sleeve and the inner protective sleeve, so that the external protection of the cable is increased, and the cable is prevented from being damaged by external force and generating a creepage phenomenon; the arrangement of the bulge, the support rod, the outer protective sleeve and the inner protective sleeve increases the stability of the power cable in use, increases the protection strength of the power cable, and avoids the damage of the cable caused by external force in use; the anti-corrosion layer has water-resistant permeability, so that the power cable is prevented from being corroded by water; the arrangement of the outer insulating layer and the inner insulating layer improves the insulating property of the cable and avoids the generation of electric leakage; the heat-conducting silicone grease layer, the heat absorption ring, the annular heat-conducting fin, the graphite heat dissipation layer and the heat dissipation holes improve the heat transmission in the cable, facilitate the control of the temperature change in the cable and improve the heat resistance of the cable; the heat insulation cotton layer can prevent external heat from entering the cable, so that the operation of the cable and the service life of the cable are influenced; the anti-creeping high-temperature-resistant power cable improves the high-temperature-resistant performance of the cable and can effectively prevent the generation of a creepage phenomenon.

Drawings

Fig. 1 is the utility model relates to an anticreep high temperature resistant power cable's overall structure schematic diagram.

Fig. 2 is a schematic structural diagram of a conductive assembly in an anti-creeping high-temperature-resistant power cable of the present invention.

Fig. 3 is a schematic structural view of a heat dissipation bracket in an anti-creeping high-temperature-resistant power cable of the present invention.

In the figure: 1. a protrusion; 2. an outer protective sheath; 3. a heat insulation cotton layer; 4. an inner protective sheath; 5. an anticorrosive layer; 6. a shielding layer; 7. an outer insulating layer; 8. a heat-dissipating silicone layer; 9. a heat dissipating component; 10. a conductive component; 11. a filling layer; 12. a support bar; 13. a heat absorption ring; 14. an annular heat conducting fin; 15. a graphite heat dissipation layer; 16. heat dissipation holes; 17. an inner insulating layer; 18. a thermally conductive silicone layer; 19. a conductor.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an anti-creeping high-temperature-resistant power cable includes a heat dissipation component 9, a conductive component 10, and a filling layer 11; the heat dissipation assembly 9 is arranged in the center of the anti-creeping high-temperature-resistant power cable, the heat dissipation silicone layer 8 is arranged on the outer side of the heat dissipation assembly 9, the conductive assemblies 10 are arranged around the heat dissipation assembly 9, the conductive assemblies 10 are three groups in total, the three groups of conductive assemblies 10 are uniformly distributed around the heat dissipation assembly 9, the outer sides of the heat dissipation assembly 9 and the conductive assemblies 10 are provided with the filling layers 11, and the filling layers 11 are uniformly coated on the outer sides of the heat dissipation assembly 9 and the conductive assemblies 10; the outer side of the filling layer 11 is wrapped with an outer insulating layer 7, the outer side of the outer insulating layer 7 is wrapped with a shielding layer 6, the outer side of the shielding layer 6 is wrapped with an anticorrosive layer 5, the outer side of the anticorrosive layer 5 is wrapped with an inner protective sleeve 4, the outer side of the inner protective sleeve 4 is wrapped with a heat-insulating cotton layer 3, the outer side of the heat-insulating cotton layer 3 is wrapped with an outer protective sleeve 2, the outer side of the outer protective sleeve 2 is provided with protrusions 1, the protrusions 1 are eighteen in number, and are evenly arrayed on the outer side of the outer protective sleeve 2; the outer side of the heat dissipation assembly 9 is provided with three support rods 12, one end of each support rod 12 is fixed in the heat dissipation assembly 9, and the other end of each support rod 12 is fixed on the heat insulation cotton layer 3 and used for stabilizing the cable; the heat dissipation assembly 9 consists of a heat absorption ring 13, an annular heat conduction sheet 14, a graphite heat dissipation layer 15 and heat dissipation holes 16 and is used for heat dissipation; the heat absorption ring 13 is fixed at the tail end of the support rod 12, an annular heat conduction sheet 14 is arranged inside the heat absorption ring 13, a graphite heat dissipation layer 15 is filled in the annular heat conduction sheet 14, and heat dissipation holes 16 are formed in the graphite heat dissipation layer 15; the conductive assembly 10 is composed of an inner insulating layer 17, a heat conducting silicone layer 18 and a conductor 19 and is used for conducting electricity; the conductor 19 is made of copper alloy, the outer side of the conductor 19 is coated with a heat-conducting silicone grease layer 18, and the outer side of the heat-conducting silicone grease layer 18 is coated with an inner insulating layer 17 for preventing electric leakage; the anti-corrosion layer 5 is made of polyethylene, has water-resistant permeability and prevents the power cable from being corroded by water; the heat-conducting silicone grease layer 18 is made of high-heat-conducting insulating silicone material and has excellent heat conductivity.

It should be noted that, the utility model relates to an anticreep high temperature resistant power cable, when using, the arrangement of the bulge 1, the support rod 12, the outer protective sleeve 2 and the inner protective sleeve 4 increases the stability of the power cable when using, increases the protective strength of the power cable, and avoids the damage of the cable caused by external force when using; the anticorrosive layer 5 has water-resistant permeability, and prevents the power cable from being corroded by water; the arrangement of the outer insulating layer 7 and the inner insulating layer 17 improves the insulating property of the cable and avoids the generation of electric leakage; the heat-conducting silicone grease layer 18, the heat absorption ring 13, the annular heat-conducting fins 14, the graphite heat dissipation layer 15 and the heat dissipation holes 16 improve the heat transmission in the cable, facilitate the control of the temperature change in the cable and improve the heat resistance of the cable; the heat preservation cotton layer 3 can prevent that external heat from entering into in the cable, influence the operation of cable and the life of cable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anti-creeping high-temperature-resistant power cable comprises a heat dissipation component (9), a conductive component (10) and a filling layer (11); the method is characterized in that: the anti-creeping high-temperature-resistant power cable is characterized in that the heat dissipation assembly (9) is arranged in the center of the anti-creeping high-temperature-resistant power cable, heat dissipation silicone layers (8) are arranged on the outer sides of the heat dissipation assembly (9), conductive assemblies (10) are arranged around the heat dissipation assembly (9), the number of the conductive assemblies (10) is three, the three conductive assemblies (10) are uniformly distributed around the heat dissipation assembly (9), filling layers (11) are arranged on the outer sides of the heat dissipation assembly (9) and the conductive assemblies (10), and the filling layers (11) are uniformly coated on the outer sides of the heat dissipation assembly (9) and the conductive assemblies (10); an outer insulating layer (7) is coated on the outer side of the filling layer (11), a shielding layer (6) is coated on the outer side of the outer insulating layer (7), an anticorrosive layer (5) is coated on the outer side of the shielding layer (6), an inner protective sleeve (4) is coated on the outer side of the anticorrosive layer (5), a heat-insulating cotton layer (3) is coated on the outer side of the inner protective sleeve (4), and an outer protective sleeve (2) is coated on the outer side of the heat-insulating cotton layer (3); the heat dissipation assembly (9) consists of a heat absorption ring (13), an annular heat conduction sheet (14), a graphite heat dissipation layer (15) and heat dissipation holes (16); the heat absorption ring (13) is fixed at the tail end of the support rod (12), an annular heat conduction sheet (14) is arranged inside the heat absorption ring (13), a graphite heat dissipation layer (15) is filled in the annular heat conduction sheet (14), and heat dissipation holes (16) are formed in the graphite heat dissipation layer (15); the anticorrosive layer (5) is made of polyethylene.

2. The electric leakage-proof high-temperature-resistant power cable according to claim 1, wherein: the outside of outer protective sheath (2) is provided with arch (1), and arch (1) is total eighteen groups, and even array is in the outside of outer protective sheath (2).

3. The electric leakage-proof high-temperature-resistant power cable according to claim 1, wherein: the outside of radiator unit (9) is provided with bracing piece (12), and bracing piece (12) are three in total, and the one end of bracing piece (12) is fixed in radiator unit (9), and the other end of bracing piece (12) is fixed on heat preservation cotton layer (3).

4. The electric leakage-proof high-temperature-resistant power cable according to claim 1, wherein: the conductive assembly (10) is composed of an inner insulating layer (17), a heat-conducting silicone layer (18) and a conductor (19); the conductor (19) is made of copper alloy, the outer side of the conductor (19) is coated with a heat-conducting silicone grease layer (18), and the outer side of the heat-conducting silicone grease layer (18) is coated with an inner insulating layer (17).

5. The electric leakage-proof high-temperature-resistant power cable according to claim 4, wherein: the heat-conducting silicone grease layer (18) is made of high-heat-conducting insulating organic silicon materials.