CN209843352U - Aluminum alloy core medium-high voltage fire-resistant power cable - Google Patents

Abstract

The utility model discloses a fire-resistant power cable of high pressure in aluminum alloy core, including the cable conductor, the fixed surface of cable conductor is connected with conductor shield net, one side fixedly connected with heat-conducting layer of cable conductor is kept away from to conductor shield net, one side fixedly connected with insulating layer of conductor shield net is kept away from to the heat-conducting layer, one side fixedly connected with articulamentum of heat-conducting layer is kept away from to the insulating layer, the fire-retardant layer of one side fixedly connected with of articulamentum is kept away from to the articulamentum, one side fixedly connected with oxygen insulating layer of high temperature resistant layer is kept away from to fire-retardant layer, one side fixedly connected with sheath of fire-retardant layer is kept away from to oxygen insulating layer, the utility. This fire-resistant power cable of high pressure in aluminum alloy core has reached the manifold effect of protect function, simple structure, and convenient to use has fire-retardant high temperature resistant function, has reduced oxidation corrosion, and work efficiency is high, has improved the performance of cable.

Description

Aluminum alloy core medium-high voltage fire-resistant power cable

Technical Field

The utility model relates to a power cable technical field specifically is a fire-resistant power cable of high pressure in aluminum alloy core.

Background

With the continuous progress of science and technology, society is developing continuously, and the use of power cables is increasing, so the requirement for power cables is also increasing, the power cables are used for transmitting and distributing electric energy, the power cables are often 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 proportion of the cables is increasing gradually, the power cables are cable products used for transmitting and distributing high-power electric energy in the main line of a power system, and the power cables comprise various voltage grades of 1-500KV and above, and various insulated power cables. At present, the power cable structure that has now on the market is too simple, uses inconveniently, and protect function is single, does not resist high temperature, and fire resistance is poor, and the conflagration takes place easily, causes serious economic loss, has reduced performance, and easy oxidation has reduced work efficiency moreover.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire-resistant power cable of high pressure in aluminum alloy core has solved the structure too simple, uses inconveniently, and protect function is single, does not resist high temperature, and fire resistance is poor, and the conflagration that takes place easily causes serious economic loss, has reduced performance, and easy oxidation has reduced work efficiency's problem moreover.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire-resistant power cable of high pressure in aluminum alloy core, includes cable conductor, cable conductor's fixed surface is connected with conductor shield net, one side fixedly connected with heat-conducting layer that cable conductor was kept away from to conductor shield net, one side fixedly connected with insulating layer that conductor shield net was kept away from to the heat-conducting layer, one side fixedly connected with articulamentum of heat-conducting layer is kept away from to the insulating layer, the fire-retardant layer of one side fixedly connected with of articulamentum is kept away from on the articulamentum, one side fixedly connected with oxygen insulation layer on fire-resistant layer is kept away from on fire-resistant layer, one side fixedly connected with sheath on fire-retardant layer is kept away from on oxygen insulation layer.

Preferably, the heat conduction layer includes the heat conduction layer body, the inside of heat conduction layer body is provided with anti-oxidant granule, heat conduction granule, anti-oxidant granule, heat conduction granule evenly distributed are in the inside of heat conduction layer body.

Preferably, the connecting layer comprises a connecting layer body, and a waterproof layer is arranged on the surface of the connecting layer body.

Preferably, the sheath includes the sheath body, the surface of sheath body is provided with the enhancement layer, the one side that the sheath body was kept away from to the enhancement layer is provided with the dust proof coating, the one side that the enhancement layer was kept away from to the dust proof coating is provided with corrosion-resistant layer, one side that the dust proof coating was kept away from to the corrosion-resistant layer is provided with the wearing layer.

Preferably, the cable conductor is made of aluminum alloy.

(III) advantageous effects

The utility model provides a fire-resistant power cable of high pressure in aluminum alloy core. The method has the following beneficial effects:

(1) the utility model discloses a fire-resistant power cable of high pressure in aluminum alloy core, the surface fixedly connected with conductor shielding net through the cable conductor, one side fixedly connected with heat-conducting layer that the cable conductor was kept away from to the conductor shielding net, one side fixedly connected with insulating layer that the conductor shielding net was kept away from to the heat-conducting layer, one side fixedly connected with tie layer that the heat-conducting layer was kept away from to the insulating layer, one side fixedly connected with insulating layer that the insulating layer was kept away from to the insulating layer, the fire-retardant layer of one side fixedly connected with oxygen-insulating layer of connecting layer is kept away from on the high temperature-resistant layer, one side fixedly connected with sheath of fire-retardant layer is kept away from on the oxygen-insulating layer, the manifold effect of protect function has been reached, and is rational in infrastructure simple, high durability and convenient use, the protecting effect.

Drawings

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

FIG. 2 is a cross-sectional view of a thermally conductive layer;

FIG. 3 is a schematic cross-sectional view of a connecting layer;

fig. 4 is a schematic cross-sectional structure of the sheath.

In the figure: the cable comprises a cable conductor 1, a conductor shielding net 2, a heat conduction layer 3, a heat conduction layer body 301, antioxidant particles 302, heat conduction particles 303, an insulating layer 4, a connecting layer 5, a connecting layer body 501, a waterproof layer 502, a high temperature resistant layer 6, a flame retardant layer 7, an oxygen insulation layer 8, a sheath 9, a sheath body 901, a reinforcing layer 902, a dust prevention layer 903, an anti-corrosion layer 904 and a wear-resistant layer 905.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-voltage fire-resistant power cable with an aluminum alloy core comprises a cable conductor 1, the cable conductor 1 is made of an aluminum alloy material, the surface of the cable conductor 1 is fixedly connected with a conductor shielding net 2, one side of the conductor shielding net 2, which is far away from the cable conductor 1, is fixedly connected with a heat conduction layer 3, the heat conduction layer 3 improves the heat conduction performance, the heat conduction layer 3 comprises a heat conduction layer body 301, antioxidant particles 302 and heat conduction particles 303 are arranged inside the heat conduction layer body 301, the antioxidant particles 302 and the heat conduction particles 303 are uniformly distributed inside the heat conduction layer body 301, the antioxidant particles 302 can prevent the heat conduction particles 303 from being oxidized by air under a high-temperature environment, the service life is prolonged, the good heat conduction performance of the heat conduction particles 303 is kept, the working efficiency is improved, one side of the heat conduction layer 3, which is, the electric leakage is avoided, the safety performance is improved, one side of the insulating layer 4, which is far away from the heat conducting layer 3, is fixedly connected with a connecting layer 5, the connecting layer 5 comprises a connecting layer body 501, the surface of the connecting layer body 501 is provided with a waterproof layer 502, rainwater can be prevented from entering a cable, further, the oxidation corrosion caused by air is reduced, the service life is prolonged, one side of the connecting layer 5, which is far away from the insulating layer 4, is fixedly connected with a high temperature resistant layer 6, one side of the high temperature resistant layer 6, which is far away from the connecting layer 5, is fixedly connected with a flame retardant layer 7, the high temperature resistant layer 6 and the flame retardant layer 7 have high temperature resistant and fire resistant functions, the use safety factor is high, one side of the flame retardant layer 7, which is far away from the high temperature resistant layer 6, is fixedly connected with an oxygen insulation layer 8, the oxygen insulation layer 8 has the function, the surface of sheath body 901 is provided with enhancement layer 902, and enhancement layer 902 improves self intensity, increase of service life, and one side that sheath body 901 was kept away from to enhancement layer 902 is provided with dust proof layer 903, and one side that enhancement layer 902 was kept away from to dust proof layer 903 is provided with corrosion-resistant layer 904, and one side that dust proof layer 903 was kept away from to corrosion-resistant layer 904 is provided with wearing layer 905.

When in use, firstly, the conductor shielding net 2 is arranged on the surface of the cable conductor 1, which has good shielding effect and can rapidly dissipate heat through the heat conduction layer 3, the anti-oxidation particles 302 and the heat conduction particles 303 are arranged inside the heat conduction layer body 301, the anti-oxidation particles 302 can prevent the heat conduction particles 303 from being oxidized by air under high temperature environment, the service life is prolonged, thereby the good heat conduction performance of the heat conduction particles 303 is kept, the working efficiency is improved, the waterproof layer 502 is arranged on the surface of the connection layer body 501, which can prevent rainwater from invading into the cable, further reduce oxidation corrosion brought by air, the service life is prolonged, the high temperature resistant layer 6 and the flame retardant layer 7 have high temperature and fire resistance functions, the safety factor in use is high, the oxygen insulation layer 8 has the function of oxygen isolation, the oxidation is reduced, the insulation layer 4 and the sheath 9 have the functions, the safety performance is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a fire-resistant power cable of high pressure in aluminum alloy core, includes cable conductor (1), its characterized in that: the utility model discloses a cable conductor's (1) fixed surface is connected with conductor shield net (2), one side fixedly connected with heat-conducting layer (3) of cable conductor (1) are kept away from in conductor shield net (2), one side fixedly connected with insulating layer (4) of conductor shield net (2) are kept away from in heat-conducting layer (3), one side fixedly connected with articulamentum (5) of heat-conducting layer (3) are kept away from in insulating layer (4), one side fixedly connected with high temperature resistant layer (6) of insulating layer (4) are kept away from in articulamentum (5), one side fixedly connected with anoxybiotic layer (8) of high temperature resistant layer (6) are kept away from in resistant layer (6), one side fixedly connected with sheath (9) of fire-retardant layer (7) are kept away from in anoxybiotic layer (8).

2. The aluminum alloy core medium-high voltage fire-resistant power cable according to claim 1, characterized in that: the heat conduction layer (3) comprises a heat conduction layer body (301), wherein the inside of the heat conduction layer body (301) is provided with antioxidant particles (302) and heat conduction particles (303), and the antioxidant particles (302) and the heat conduction particles (303) are uniformly distributed in the heat conduction layer body (301).

3. The aluminum alloy core medium-high voltage fire-resistant power cable according to claim 1, characterized in that: the connecting layer (5) comprises a connecting layer body (501), and a waterproof layer (502) is arranged on the surface of the connecting layer body (501).

4. The aluminum alloy core medium-high voltage fire-resistant power cable according to claim 1, characterized in that: the protective sleeve (9) comprises a protective sleeve body (901), a reinforcing layer (902) is arranged on the surface of the protective sleeve body (901), a dustproof layer (903) is arranged on one side, away from the protective sleeve body (901), of the reinforcing layer (902), a corrosion-resistant layer (904) is arranged on one side, away from the reinforcing layer (902), of the dustproof layer (903), and a wear-resistant layer (905) is arranged on one side, away from the dustproof layer (903), of the corrosion-resistant layer (904).

5. The aluminum alloy core medium-high voltage fire-resistant power cable according to claim 1, characterized in that: the cable conductor (1) is made of aluminum alloy.