CN201274186Y - Electric cable special for wind energy - Google Patents

Abstract

The utility model belongs to the technical field of cables, in particular to a special wind energy cable which comprises a conductor, an isolating layer, an insulating layer and a protective cover layer; the conductor consists of a plurality of strands of multiple stranded tinned fine copper wires; the isolating layer consists of non-woven cloth which is wound on the surface of the conductor; the protective cover layer is made of chlorosulfonated polyethylene; the insulating layer is made of ternary ethylenepropylene rubber; the special wind energy cable also comprises a heat temperature resistant layer, a lining layer and a cord layer; the isolating layer is wrapped on the surface of the conductor which is provided with a tinned layer on the surface; a high temperature resistant layer, the insulating layer, the lining layer, the cord layer and the protective cover layer are subsequently wrapped outside the isolating layer; the high temperature resistant layer is made of silicon rubber; the lining layer is made of polyolefine; the cord layer is woven by nylon and fine copper wire; the special wind energy cable has the advantages of simple and reasonable structure, low cost, no pollution, quite strong flexibility, elasticity, tearresistance, low temperature resistance, safe use, quite good environment and economic benefit, and is specially used in wind power fields at home and abroad.

Description

The wind energy private cable

Technical field:

The utility model belongs to the cable technology field, refers in particular to a kind of wind energy private cable.

Background technology:

Wind energy is as the regenerative resource of cleaning, and is widely distributed with it, the amount of accumulateing is huge, advantage such as pollution-free, and makes various countries, the whole world more and more higher to the attention degree of wind energy, and available wind energy is can total amount than developable water also big on the earth.Along with development of global economy, wind energy market also develops rapidly.Along with the development of technological progress and environmental protection cause, wind power generation will can be competed with coal fired power generation fully commercial.China's wind-powered electricity generation industry is also keeping the situation of high speed development in recent years, but also has very big gap with the development level of international wind-powered electricity generation industry, domestic wind power equipment mainly relies on import, externally dependence is strong, though wind power cost has descended much, but the advantage of comparing the thermoelectricity cost can't obviously be given prominence in a short time, and the development of wind-powered electricity generation industry also has a lot of hindering factors, and wherein the manufacturing expense of wind energy cable is high also is one of key factor that hinders China's wind power generation.

China's wind energy content is very big, distribution is wide, but China region is wide, and the wind scale difference is bigger, and north-south climate difference is also bigger, require ability-30 ℃ and following low temperature as: northern area, function such as the coastal area then requires to possess anti-salt fog, anti-damp and hot, mould proof; In wind generator set design, for avoiding the frequent pay-off of great turbine, turbine is gone off course with the wind, reversed for three weeks continuously, just revolution resets again; Wind energy cable connects blower fan tower bucket and ground column foot, the vertical use.Under above-mentioned specific operational environment, also higher to the requirement of wind energy cable, need have fabulous lower temperature resistance and resistance to water, and in features such as coastal use corrosion resistances.At various geography and environmental condition, 200720038451.X number Chinese patent discloses a kind of structure of wind energy cable, twist the wrapped compound nonwoven cloth separator of tinned copper wire conductive surface again in multiply, peripheral hardware rubber composite 3GI3 insulating barrier extrudes rubber composite 3GM3 restrictive coating more again.This product has solved the conduction problem of wind power generation, but its weak point is: the one, and bad mechanical property, the 2nd, heat-resisting quantity, corrosion resistance, poor insulativity.

Summary of the invention:

The purpose of this utility model provides that a kind of softness, anticorrosion, good springiness, tear resistance are good, the wind energy private cable of high-and low-temperature resistance.

The utility model is achieved in that the wind energy private cable, include the conductor that the surface is provided with tin coating, separator, insulating barrier and restrictive coating, described conductor is that multiply is twisted zinc-plated thin copper wire again, described separator is that nonwoven fabrics is wrapped at conductive surface, described restrictive coating is made by chlorosulfonated polyethylene, described insulating barrier is made by ethylene-propylene diene copolymer, it is characterized in that: also include high-temperature-resistant layer, inner covering and cord ply, described separator is coated on the conductive surface that the surface is provided with tin coating, separator coats high-temperature-resistant layer outward successively, insulating barrier, inner covering, cord ply and restrictive coating, described high-temperature-resistant layer is made by silicon rubber, described inner covering is the cotton ginning band, made by polyolefin, described cord ply is by nylon, the thin copper wire braiding forms.

The thickness of above-mentioned silicon rubber is 0.3-0.6mm.

The outstanding compared to existing technology advantage of the utility model is:

1, the utility model is simple and reasonable, manufactures easily, and cost is low, pollution-free;

2, the utlity model has stronger flexibility, elasticity, tear resistance, high-low temperature resistant and reach-60 ℃-120 ℃, anticorrosive property, impact resistance, resistance to compression, stretch-proof;

3, the utility model is safe in utilization, has favorable economic benefit and environmental benefit, suits in big, the humorous wave height of carrying voltage fluctuation, high low temperature great disparity, needs to use as the wind energy transmission cable under the strong adverse circumstances of mechanical performance.

Description of drawings:

Fig. 1 is a cross-sectional schematic of the present utility model;

Fig. 2 is the A portion enlarged drawing of Fig. 1.

Embodiment:

With specific embodiment the utility model is further described below, referring to Fig. 1-2:

The wind energy private cable is that the outer surface that is provided with the conductor 1 of tin coating 12 on the surface is coated with separator 2, high-temperature-resistant layer 3, insulating barrier 4, inner covering 5, cord ply 6 and restrictive coating 7 successively.

Twisting zinc-plated thin copper wire 11 again with multiply is conductor 1, and copper wire 11 has good electrical conductivity, and tin coating 12 can prevent corrosion, at conductor 1 surperficial wrapped nonwoven fabrics as separator 2; Separator 2 is coated with silicon rubber as high-temperature-resistant layer 3, and high-temperature-resistant layer 3 is outside equipped with the insulating barrier 4 that is formed by ethylene-propylene diene copolymer; Insulating barrier 4 is coated with the inner covering of being made by polyolefin 5; The inner covering 5 outer cord plys 6 that form by nylon, thin copper wire braiding that are coated with again; At last be coated with the restrictive coating of making by chlorosulfonated polyethylene 7 at cord ply 6.

The utility model is simple and reasonable, manufactures easily, and cost is low, pollution-free; Have stronger flexibility, elasticity, tear resistance, resistant of high or low temperature (can bear the temperature between-60 ℃-120 ℃), anticorrosive property, impact resistance, resistance to compression, stretch-proof; Carrying voltage fluctuation and harmonic wave are big; Compact conformation, safe in utilization, have environmental benefit and economic benefit preferably, be exclusively used in domestic and international wind energy turbine set.

The foregoing description only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection range of the present utility model.

Claims (2)

1, the wind energy private cable, include the conductor that the surface is provided with tin coating, separator, insulating barrier and restrictive coating, described conductor is that multiply is twisted zinc-plated thin copper wire again, described separator is that nonwoven fabrics is wrapped at conductive surface, described restrictive coating is made by chlorosulfonated polyethylene, described insulating barrier is made by ethylene-propylene diene copolymer, it is characterized in that: also include high-temperature-resistant layer, inner covering and cord ply, described separator is coated on the conductive surface that the surface is provided with tin coating, separator coats high-temperature-resistant layer outward successively, insulating barrier, inner covering, cord ply and restrictive coating, described high-temperature-resistant layer is made by silicon rubber, described inner covering is the cotton ginning band, made by polyolefin, described cord ply is by nylon, the thin copper wire braiding forms.

2, wind energy private cable according to claim 1 is characterized in that: the thickness of described silicon rubber is 0.3-0.6mm.

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