Anti-ultraviolet and anti-aging 35KV power cable

Abstract

The utility model relates to the technical field of cables, in particular to an ultraviolet-proof aging-resistant 35KV power cable, which comprises a power conductor, an insulating layer, a shielding layer, an inner sheath and a protective layer, the insulating layer, the shielding layer, the inner sheath and the protective layer are sequentially coated outside the power conductor, an ultraviolet-proof protective film is coated outside the protective layer, and the protective layer comprises an inner weather-proof layer and an outer aging-proof layer. Compared with the prior art, the power cable is externally provided with the protection layer composed of the inner weather-proof layer and the outer anti-aging layer and the anti-ultraviolet protection film coated on the surface of the protection layer, so that the power cable has anti-aging and anti-ultraviolet functions, the aging of the power cable is delayed, and the service life is prolonged; through the insulating layer with a heat conduction function, the shielding layer which is a metal net, the inner sheath with built-in heat conduction particles and the protection layer, heat generated in the use process of the power conductor can be conducted to the outside of the power cable, heat accumulation is avoided, and aging of the power cable is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is 35KV power cable for preventing ultraviolet line and ageing. BACKGROUND

[0002] Power cable is the cable for transmission and distribution of electric energy, most of the use environment is in the open air, long -term exposure to sunlight, is irradiated by ultraviolet, and the outer sheath of power cable is easy to ageing, simultaneously, the power cable in the use process, the core will produce a large amount of heat, and the heat gathers in the protective sleeve, accelerates the ageing of protective sleeve, and the existing power cable only satisfies the wear -resisting and the performance of fire -retardant, but does not have the function of ageing -resistant and preventing ultraviolet. SUMMARY

[0003] In order to solve the above technical problem, the utility model provides a 35KV power cable for preventing ultraviolet line and ageing.

[0004] The technical problem to be solved by the utility model is realized by the following technical scheme:

[0005] 35KV power cable for preventing ultraviolet line and ageing, including power conductor, insulating layer, shielding layer, inner sheath and protective layer that are covered in the power conductor outside in turn, the outer covering of the protective layer has the ultraviolet protection film of preventing, the protective layer includes inner weather layer and outer anti -aging layer.

[0006] As the further improvement of the utility model, the inner sheath, inner weather layer and outer anti -aging layer all mix with the heat conduction particle in.

[0007] As the further improvement of the utility model, the insulating layer is the heat -conducting insulating polyethylene sleeve.

[0008] As the further improvement of the utility model, the shielding layer is the metal net.

[0009] As the further improvement of the utility model, the inner sheath is the flexible fluorocarbon coating.

[0010] The utility model has the advantages of:

[0011] Compared with the prior art, the utility model is provided with the protective layer that is composed of inner weather layer and outer anti -aging layer and the ultraviolet protection film of preventing that is covered on the surface of the protective layer on the outside of the power cable, so that the power cable has the ageing -resistant and ultraviolet -resistant functions, delays the ageing of the power cable and improves the service life, the heat generated in the use process of the power conductor can be conducted to the outside of the power cable through the insulating layer with the heat -conducting function, the shielding layer of the metal net, the inner sheath with the heat -conducting particle and the protective layer, heat accumulation is avoided, and the ageing of the power cable is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further described below in connection with the drawings and examples:

[0013] Fig. 1 It is sectional structure schematic diagram of the utility model;

[0014] Fig. 2 It is sectional structure schematic diagram of the protective layer.

[0015] In the drawing: 1, power conductor;2, insulating layer;3, shielding layer;4, inner sheath;5, protective layer;51, inner weather-resistant layer;52, outer anti-aging layer;6, ultraviolet protection film;7, heat-conducting particles. Specific implementation

[0016] In order to make the utility model realizes the technical means, the creation feature, achieves the purpose and the function easy to understand, the utility model is further described below in connection with the drawings and examples.

[0017] As Figs. 1-2 Shown, the ultraviolet resistant and aging-resistant 35KV power cable mainly comprises power conductor 1, insulating layer 2, shielding layer 3, inner sheath 4, protective layer 5, ultraviolet protection film 6 that are covered in order on the outside of power conductor 1.

[0018] Power conductor 1 is annealed copper wire.Insulating layer 2 is heat-conducting insulating polyethylene sleeve, which has heat-conducting performance while insulating.Shielding layer 3 is metal mesh, which is specifically metal mesh that is twisted and woven with copper wire and aluminum wire in the embodiment.

[0019] Inner sheath 4 is flexible fluorocarbon coating, which can improve the impact resistance of the outer sheath layer, avoid the influence of external stress factors on the outer sheath layer, and make it not easy to be damaged.

[0020] Protective layer 5 includes inner weather-resistant layer 51 and outer anti-aging layer 52.Inner weather-resistant layer 51 is acrylic coating, which can reduce the influence of external environment and climate change on power cable, so that the power cable can always guarantee the use performance.Outer anti-aging layer 52 is aging-resistant modified butadiene styrene rubber sleeve.

[0021] Ultraviolet protection film 6 is polyethylene film coated with ultraviolet absorber.In addition, inner sheath 4, inner weather-resistant layer 51 and outer anti-aging layer 52 all contain heat-conducting particles 7.

[0022] The utility model discloses the heat generated in the use process of power conductor 1 is transferred to inner sheath 4 through insulating layer 2 and shielding layer 3, and then the heat is conducted to the outside of power cable through heat-conducting particles 7.Ultraviolet protection film 6 located outside the power cable can effectively absorb ultraviolet rays, thereby delaying the aging of power cable.

[0023] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A 35 KV power cable for protection against UV and ageing, characterized in that: The power conductor (1), the insulating layer (2), the shielding layer (3), the inner sheath (4) and the protective layer (5) are sequentially coated outside the power conductor (1), the outer protective layer (5) is coated with an ultraviolet protection film (6), the protective layer (5) comprises an inner weather-resistant layer (51) and an outer anti-aging layer (52); the inner sheath (4), the inner weather-resistant layer (51) and the outer anti-aging layer (52) all contain heat-conducting particles (7).

2. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The insulating layer (2) is a heat-conducting insulating polyethylene sleeve.

3. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The shielding layer (3) is a metal mesh.

4. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The inner sheath (4) is a flexible fluorocarbon coating.

5. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The inner weather-resistant layer (51) is an acrylic coating.

6. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The outer anti-aging layer (52) is an aging-resistant modified butadiene styrene rubber sleeve.

7. The 35 KV power cable for protection against UV and ageing according to claim 1, characterized in that: The ultraviolet protection film (6) is a polyethylene film coated with an ultraviolet absorber.

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