CN216212472U

CN216212472U - Anti-aging and anti-corrosion cable for wind power generation

Info

Publication number: CN216212472U
Application number: CN202122134977.0U
Authority: CN
Inventors: 高鹏; 王波; 徐大伟
Original assignee: Jiangsu Hongfeng Cable Group Co ltd
Current assignee: Jiangsu Hongfeng Cable Group Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-05
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses an anti-aging and anti-corrosion cable for wind power generation, which comprises an inner bushing, wherein a plurality of cable cores are arranged on the inner side of the inner bushing, insulating layers are arranged on the outer sides of the cable cores, a graphite layer is arranged on the inner side of the inner bushing and clings to the inner wall of the inner bushing, an anti-static layer is arranged on the outer side of the inner bushing and clings to the outer wall of the inner bushing, a filling layer is arranged between the inner side of the inner bushing and the cable cores, an outer protective sleeve is arranged on the outer side of the anti-static layer, and a supporting layer is arranged inside the outer protective sleeve. The cable can work normally in a more corrosive environment.

Description

Anti-aging and anti-corrosion cable for wind power generation

Technical Field

The utility model relates to the technical field of new energy, in particular to an anti-aging and anti-corrosion cable for wind power generation.

Background

In recent years, with the rising of the prices of traditional energy sources such as coal, petroleum and the like, wind power generation is used as clean green environment-friendly renewable energy source, is the fastest growing clean energy source with the greatest development prospect in the world, has the characteristics of environmental friendliness, mature technology and global feasibility, is widely applied in all over the world, can completely compete with coal-fired power generation in commerce with the development of technical progress and environmental protection cause, and can be rapidly developed in the market with the development of global economy.

China is a developing country, the coordinated development of economy, energy and environment is an important premise for realizing the modernization target, China is a large energy production country and also a large energy consumption country, and the energy development of China faces the problems of serious environmental pollution, low energy utilization efficiency and small proportion of renewable energy currently, so that the energy structure is adjusted, the emission of greenhouse gas is reduced, the environmental pollution is relieved, the energy safety is enhanced, and the renewable energy is developed, which becomes an effective means for solving the problems of current energy resources and environment; in the future, wind energy will play an increasingly important role in the development of energy in China.

The cable is widely applied to different regions and different industries, so the environment of the cable is very complex, including corrosive environment, the existing cable mainly protects a cable core through a plurality of layers of rubber sheets and steel armor, an anti-corrosion structure is not generally designed in the cable, the cable is only prevented from corrosion through the rubber sheets, but only the rubber sheets are used for dealing with the environment with weak corrosivity, and the rubber sheets are easy to age and crack, so the traditional cable has weak corrosion resistance, cannot deal with the environment with strong corrosivity, and has improvement and promotion.

Therefore, an anti-aging and anti-corrosion cable for wind power generation is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the background, and provides an anti-aging and anti-corrosion cable for wind power generation.

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

the utility model provides a wind power generation is with ageing resistance anticorrosion cable, includes the neck bush, the inboard of neck bush is provided with a plurality of cable cores, the outside of cable core is equipped with the insulating layer, its inner wall is hugged closely to the inboard of neck bush and is equipped with the graphite layer, its outer wall antistatic layer is hugged closely in the outside of neck bush, be equipped with the filling layer between the inside of neck bush and the cable core, the outside of antistatic layer is equipped with outer protective sheath, outer protective sheath's inside is equipped with the supporting layer.

Preferably, the supporting layer is of a wedge-shaped structure, the supporting layer is of a ring-shaped structure and is connected end to end, and the supporting layer is made of polyethylene material.

Preferably, the filling layer is of a fine sheet structure, is made of polypropylene and is closely attached in a staggered manner.

Preferably, the graphite layer is formed by diffusing oxygen to the vicinity of the surface of the material, oxygen molecules are adsorbed at active points of the graphite material due to the diffusion movement of the molecules, the oxygen and carbon react to generate carbon oxide, and the outer surface of the graphite layer is coated with an anti-aging coating.

Preferably, the surface of antistatic layer is equipped with electrically conductive silk, electrically conductive silk quantity is a plurality of groups, electrically conductive silk is the surface of level form gomphosis in antistatic layer.

Preferably, the thickness of the graphite layer is at least 0.5mm, the coating on the surface of the graphite layer is a multilayer coating structure, and the multilayer coating is a glass coating or a ceramic coating.

Preferably, the filling layer is a single-phase blend modified by adding nitrile rubber with acrylonitrile content of% -%, the density of the filling layer is 1.25g/cm3, the tensile yield strength is 14.4MPa, and the elongation at break is more than or equal to 600%.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the graphite layer is arranged to enable oxygen to diffuse to the position near the surface of the material, oxygen molecules are adsorbed at active points of the graphite material due to the diffusion movement of molecules, oxygen and carbon react to generate carbon oxide, the outer surface of the graphite layer is coated with the anti-aging coating, the thickness of the graphite layer is further set to be at least 0.5mm, the coating on the surface of the graphite layer is of a multilayer coating structure, and the multilayer coating is a glass coating or a ceramic coating and cannot react with corrosive substances, so that the corrosive substances can be prevented from continuously entering the inner layer of the cable, the cable is effectively protected, and the cable can normally work in a stronger corrosive environment;

2. according to the utility model, the conductive wire is arranged on the surface of the antistatic layer, so that the whole cable has an antistatic effect, free electrons are contained in the conductive wire, the antistatic property has no humidity dependence, the conductive charge half-life period is short, and under any condition, static electricity can be eliminated in a very short time, so that the anti-aging effect of the cable is further improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an anti-aging and anti-corrosion cable for wind power generation according to the present invention;

FIG. 2 is a schematic structural diagram of an insulating layer of the anti-aging and anti-corrosion cable for wind power generation provided by the utility model;

FIG. 3 is an enlarged schematic structural view of the aging-resistant and corrosion-resistant cable for wind power generation at the position A in FIG. 1;

FIG. 4 is a schematic overall sectional structure view of the anti-aging and anti-corrosion cable for wind power generation according to the present invention;

reference numerals: 1. a cable core; 2. an insulating layer; 3. a filling layer; 4. a graphite layer; 5. an inner liner; 6. an antistatic layer; 8. a partition layer; 9. an outer protective sheath; 10. and (4) a support layer.

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.

Referring to fig. 1-4, an anti-aging and anti-corrosion cable for wind power generation comprises an inner bushing 5, wherein a plurality of cable cores 1 are arranged on the inner side of the inner bushing 5, an insulating layer 2 is arranged on the outer side of each cable core 1, a graphite layer 4 is arranged on the inner side of the inner bushing 5 and clings to the inner wall of the inner bushing, an antistatic layer 6 on the outer wall of the inner bushing 5 is clings to the outer side of the inner bushing 5, a filling layer 3 is arranged between the inner part of the inner bushing 5 and the cable cores 1, an outer protective sleeve 9 is arranged on the outer side of the antistatic layer 6, and a supporting layer 10 is arranged inside the outer protective sleeve 9.

In this embodiment, the layers are integrally formed or bonded together by epoxy, and the diameter increases from the outside.

In this embodiment, the supporting layer 10 is a wedge-shaped structure, the supporting layer 10 is a ring-shaped structure and is connected end to end, and the supporting layer 10 is made of polyethylene material to ensure the overall supporting strength.

In this embodiment, the filling layer 3 is a fine sheet structure, and the filling layer 3 is made of polypropylene material and closely attached in a staggered manner, so as to ensure the overall tensile resistance and prevent the tearing phenomenon caused by dragging.

In the embodiment, the graphite layer 4 is formed by diffusing oxygen to the vicinity of the surface of the material, oxygen molecules are adsorbed at active points of the graphite material due to the diffusion movement of the molecules, the oxygen and carbon react to generate carbon oxide, and the outer surface of the graphite layer 4 is coated with an anti-aging coating.

In this embodiment, the surface of the antistatic layer 6 is provided with a plurality of groups of conductive threads, and the conductive threads are horizontally embedded on the surface of the antistatic layer 6.

In this embodiment, the conductive wires are provided on the surface of the antistatic layer 6, so that the cable has an antistatic effect as a whole, and since the conductive wires contain free electrons therein, the antistatic property thereof has no humidity dependence, and the conductive charge half-life is short, and in any case, static electricity can be eliminated in a very short time.

In this embodiment, the thickness of the graphite layer 4 is at least 0.5mm, and the coating layer on the surface of the graphite layer 4 is a multilayer coating structure, and the multilayer coating layer is a glass coating layer or a ceramic coating layer.

In this embodiment, the ceramic coating is a silicide-series material that is resistant to aging.

In the embodiment, the anti-aging agent is added into the graphite matrix to reduce the oxidation rate of the material, and the outer surface of the graphite material is coated with the anti-aging coating to isolate the graphite material from oxidizing gas, so that the gas is prevented from entering the material, and the anti-aging property of the graphite material is improved. The specific technical approach is as follows: solution dipping method, matrix modification method and surface coating anti-aging coating.

In the embodiment, the filling layer 3 is a single-phase blend modified by adding nitrile rubber with 20-36% of acrylonitrile content, the density of the filling layer 3 is 1.25g/cm3, the tensile yield strength is 14.4MPa, and the elongation at break is more than or equal to 600%.

In the embodiment, 30-50% of polyvinyl chloride resin is added and blended to prepare the modified polyvinyl chloride resin, and the blending process adopts two kinds of latex, and the two kinds of latex are mixed according to the required proportion and then subjected to the working procedures of coagulation, washing, drying, heat treatment and the like, so that the ozone resistance and weather aging resistance are improved, and the tensile strength, the stress at definite elongation, the tear resistance, the heat resistance and the flame resistance are improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a wind power generation is with ageing resistance anticorrosion cable, its characterized in that, includes interior bush (5), the inboard of interior bush (5) is provided with a plurality of cable cores (1), the outside of cable core (1) is equipped with insulating layer (2), its inner wall is hugged closely to the inboard of interior bush (5) and is equipped with graphite layer (4), its outer wall antistatic layer (6) are hugged closely in the outside of interior bush (5), be equipped with filling layer (3) between the inside of interior bush (5) and cable core (1), the outside of antistatic layer (6) is equipped with outer protective sheath (9), the inside of outer protective sheath (9) is equipped with supporting layer (10).

2. The anti-aging and anti-corrosion cable for wind power generation according to claim 1, wherein the supporting layer (10) is in a wedge-shaped structure, the supporting layer (10) is in a ring-shaped structure and is connected end to end, and the supporting layer (10) is made of polyethylene material.

3. The anti-aging and anti-corrosion cable for wind power generation according to claim 1, wherein the filling layer (3) has a fine sheet structure, and the filling layer (3) is made of polypropylene and closely attached in a staggered manner.

4. The anti-aging and anti-corrosion cable for wind power generation according to claim 1, wherein the graphite layer (4) is formed by diffusing oxygen near the surface of the material, oxygen molecules are adsorbed at active sites of the graphite material due to the diffusion movement of the molecules, and the oxygen and carbon react to form carbon oxides, and the outer surface of the graphite layer (4) is coated with an anti-aging coating.

5. The anti-aging and anti-corrosion cable for wind power generation according to claim 1, wherein the surface of the antistatic layer (6) is provided with a plurality of groups of conductive wires, and the conductive wires are horizontally embedded in the surface of the antistatic layer (6).

6. The anti-aging and anti-corrosion cable for wind power generation according to claim 4, wherein the thickness of the graphite layer (4) is at least 0.5mm, the coating on the surface of the graphite layer (4) is a multi-layer coating structure, and the multi-layer coating is a glass coating or a ceramic coating.

7. The anti-aging and anti-corrosion cable for wind power generation according to claim 3, wherein the filler layer (3) is a single-phase blend modified by adding nitrile rubber with 20-36% acrylonitrile content.