CN209929038U - Power cable for wind power generation - Google Patents

Abstract

The utility model discloses a power cable for wind power generation, including cable core overcoat and cable core, sun-proof layer has been installed to cable core overcoat outside, sun-proof layer outside scribbles the waterproof layer, the layer that absorbs water has been installed to cable core overcoat inner wall, the inside insulating tube that is fixed with of cable core overcoat, the cable core is installed inside the insulating tube, the cable core is formed by the transposition of insulating core, the heat preservation has been installed to the insulating tube surface. The utility model discloses sun-proof layer has been set up in cable core overcoat outside, and sun-proof layer has the reflection, radiation and hollow microsphere thermal insulation are in sun-proof thermal-insulated cooling coating of an organic whole, can carry out the high reflection to the solar infrared ray of 400nm-2500nm scope, visible light and ultraviolet ray, and the waterproof layer of transparent material has been set up in sun-proof layer outside, use the back for a long time, slow down cable core overcoat ageing, when using under the external environment, messenger's cable core overcoat that can be better is able to bear the wind and rain and beat, make the cable have strong sun-proof, prevent wind, anti-oxidation function.

Description

A kind of power cable for wind power generation

technical field

The utility model relates to the technical field of power cables, in particular to a power cable for wind power generation.

Background technique

Power cables are cables used to transmit and distribute electrical energy. Power cables are often used in urban underground power grids, power station lead-out lines, internal power supply in industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cable is a cable product used to transmit and distribute high-power electrical energy in the main line of the power system, including 1-500KV and above various voltage levels and various insulation power cables.

Wire and cable have played a very important linking role in my country's infrastructure construction. With the continuous development of our country, for the power cable industry, the traditional industry model has been unable to adapt to the development of the currency market for the changing currency market and demand. Therefore, for many enterprises, the transformation of the industry is urgent, so there are many types of power cables on the market. However, the power cables on the market are easy to age after long-term use, and in cold weather, the use is easily affected and cannot meet the needs of actual use. Therefore, there is an urgent need for improved technology to improve this equipment.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a power cable for wind power generation, which solves the problems that the power cables on the market are easy to age after long-term use, and the use is easily affected in cold weather.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a power cable for wind power generation, comprising a cable core jacket and a cable core, a sunscreen layer is installed on the outside of the cable core jacket, and a waterproof layer is coated on the outside of the sunscreen layer , the inner wall of the cable core jacket is provided with a water-absorbing layer, an insulating tube is fixed inside the cable core jacket, the cable core is arranged inside the insulating tube, and the cable core is twisted by insulating wire cores. An insulating layer is arranged on the outer surface of the insulating tube.

Preferably, the sunscreen layer is a sunscreen, heat-insulating and cooling paint that integrates reflection, radiation and hollow microbeads, and the sunscreen layer can highly reflect solar infrared, visible and ultraviolet rays in the range of 400nm-2500nm.

Preferably, the waterproof layer is transparent waterproof glue.

Preferably, the water-absorbing layer is made of a super-absorbent resin material.

Preferably, the thermal insulation layer is a composite silicate thermal insulation coating, and the temperature range suitable for the thermal insulation layer is -40°C to +80°C.

(3) Beneficial effects

The utility model provides a power cable for wind power generation, which has the following beneficial effects:

(1) The utility model is provided with a sunscreen layer on the outside of the cable core jacket, and the sunscreen layer is a sunscreen, heat-insulating and cooling coating that integrates reflection, radiation and hollow microbead heat-insulation and heat-insulation. Visible light and ultraviolet rays are highly reflective, and a waterproof layer of transparent material is set on the outside of the sunscreen layer. After long-term use, the aging of the cable core jacket can be slowed down. When used in an external environment, the cable core jacket can better withstand wind, water and rain. , so that the cable has strong sunscreen, windproof and antioxidant functions.

(2) The utility model is provided with a water absorbing layer on the inner wall of the cable core jacket. When the cable core jacket is damaged, through the function of the water absorbing layer, the infiltrated water can be well absorbed, preventing the water from entering the cable core and affecting the use, so that the cable can be used. Has strong water resistance.

(3) The utility model is provided with a thermal insulation layer on the outer surface of the insulating pipe, and the thermal insulation layer is a composite silicate thermal insulation coating, and the adaptable temperature range is -40 ° C to +80 ° C, so that the cable has strong thermal insulation and cold resistance functions, Moreover, the cost of the composite silicate thermal insulation coating is relatively low, which can reduce the overall production cost of the cable.

Description of drawings

Fig. 1 is the front view of the utility model;

Figure 2 is a top view of the utility model.

The reference signs in the figure are: 1, cable core jacket; 2, sunscreen layer; 3, waterproof layer; 4, water absorption layer; 5, insulating tube; 6, cable core; 7, thermal insulation layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-2, the present utility model provides a technical solution: a power cable for wind power generation, comprising a cable core jacket 1, a sunscreen layer 2, a waterproof layer 3, a water absorption layer 4, an insulating tube 5, and a cable core 6 And the thermal insulation layer 7, a sunscreen layer 2 is installed on the outside of the cable core jacket 1, and the sunscreen layer 2 is a sunscreen, heat-insulating and cooling coating that integrates reflection, radiation and hollow microbead thermal insulation. The solar infrared, visible light and ultraviolet rays are highly reflective. After long-term use, the aging of the cable core jacket 1 will be slowed down. The exterior of the sunscreen layer 2 is coated with a waterproof layer 3. The waterproof layer 3 is transparent waterproof glue. It is good to make the cable core jacket 1 withstand wind, water and rain without affecting the anti-ultraviolet function of the sunscreen layer 2. The inner wall of the cable core jacket 1 is provided with a water-absorbing layer 4. The water-absorbing layer 4 is made of superabsorbent resin material. When the cable core jacket 1 After damage, through the function of the water absorbing layer 4, the infiltrated water can be well absorbed, preventing the water from entering the cable core 6 and affecting the use. The cable core jacket 1 is fixed with an insulating tube 5, and the cable core 6 is installed inside the insulating tube 5. , the cable core 6 is made of twisted insulating wire cores, the outer surface of the insulating tube 5 is provided with a thermal insulation layer 7, the thermal insulation layer 7 is a composite silicate thermal insulation coating, and the temperature range of the thermal insulation layer 7 is -40°C to +80°C ℃, through the function of the thermal insulation layer 7, the cable will have strong thermal insulation and cold resistance functions.

Working principle: Before using the power cable for wind power generation, it is first necessary to have a simple understanding of the structure of the entire power cable for wind power generation. Good reflection of ultraviolet rays, after long-term use, the aging of the cable core jacket 1 is slowed down, and through the function of the transparent waterproof layer 3 outside the sunscreen layer 2, it can be well waterproofed, and when used in an external environment, the cable core can be better The jacket 1 is resistant to wind, water and rain, so that the cable has strong sunscreen, windproof and waterproof functions. When the cable core jacket 1 is damaged, the water absorbing layer 4 can well absorb the infiltrating water and prevent water from entering the cable core 6. It affects the use, and through the function of the thermal insulation layer 7, it can be more suitable for use in cold weather, has a strong cold resistance effect, and is convenient for long-term use.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a power cable for wind power generation, includes cable core overcoat (1) and cable core (6), its characterized in that: sun-proof layer (2) have been installed to cable core overcoat (1) outside, sun-proof layer (2) outside scribbles waterproof layer (3), layer (4) absorb water have been installed to cable core overcoat (1) inner wall, cable core overcoat (1) inside is fixed with insulating tube (5), cable core (6) are installed inside insulating tube (5), cable core (6) are formed by the transposition of insulation core, heat preservation (7) have been installed to insulating tube (5) surface.

2. The power cable for wind power generation according to claim 1, wherein: the sun-proof layer (2) is a sun-proof heat insulation cooling coating integrating reflection, radiation and hollow microsphere heat insulation, and the sun-proof layer (2) can highly reflect solar infrared rays, visible light and ultraviolet rays within the range of 400nm-2500 nm.

3. The power cable for wind power generation according to claim 1, wherein: the waterproof layer (3) is transparent waterproof glue.

4. The power cable for wind power generation according to claim 1, wherein: the water absorption layer (4) is made of super absorbent resin material.

5. The power cable for wind power generation according to claim 1, wherein: the heat-insulating layer (7) is a composite silicate heat-insulating coating, and the temperature range of the heat-insulating layer (7) is-40 ℃ to +80 ℃.

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