Anti-aging cable for wind power generation

Abstract

The utility model belongs to the field of cables, and particularly relates to an anti-aging cable for wind power generation, which comprises a sheath, an anti-oxidation layer is arranged on the outer side of the sheath, a wear-resistant layer is arranged on the outer side of the anti-oxidation layer, a shielding layer is arranged in the sheath, an elastic layer is arranged in the shielding layer, and an anti-aging layer is arranged on the outer side of the anti-oxidation layer. A high-temperature-resistant layer is arranged in the elastic layer, and a wire core is arranged in the high-temperature-resistant layer. According to the utility model, oxidation of the sheath is avoided by arranging the anti-oxidation layer, heat conduction of the cable cores is reduced by arranging the high-temperature-resistant layer, high-temperature oxidation of the sheath is further avoided, the anti-aging performance of the whole cable is stronger when the cable is used, and interference of the cable cores during signal transmission is prevented by arranging the shielding layer.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to an aging-resistant cable for wind power generation. Background Art

[0002] The utility model patent with the patent authorization announcement number CN203760205U discloses a cable for wind power generation, including a power core, a radiation cross-linked polyolefin outer sheath, an aluminum-plastic composite armor layer and an insulating shielding layer. The power core is formed by wrapping three silver-plated copper core twisted conductors in a finished shape with a flame-retardant filling rope wrapped around the sheath, and a ground wire core is arranged on the outside of two adjacent silver-plated copper core twisted conductors; the insulating shielding layer is extruded outside the power core; the radiation cross-linked polyolefin outer sheath and the aluminum-plastic composite armor layer are sequentially extruded on the insulating shielding layer from the outside to the inside. In addition to the performance characteristics of low temperature resistance, torsion resistance, impact resistance, tear resistance, etc., the utility model also has excellent shielding performance and current stability. However, when the device is in use, the outer layer of the cable is prone to aging after long-term use, resulting in a reduced service life of the device. Utility Model Content

[0003] The utility model aims to provide an aging-resistant cable for wind power generation, which solves the problem that the outer layer of the cable is prone to aging due to long-term use, resulting in a reduction in the service life of the device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aging-resistant cable for wind power generation, comprising a sheath, an anti-oxidation layer is arranged on the outside of the sheath, a wear-resistant layer is arranged on the outside of the anti-oxidation layer, a shielding layer is arranged inside the sheath, an elastic layer is arranged inside the shielding layer, a high-temperature resistant layer is arranged inside the elastic layer, and a wire core is arranged inside the high-temperature resistant layer.

[0005] Preferably, the thickness of the anti-oxidation layer is 0.5 mm, and the anti-oxidation layer is made of silicon carbide. By providing the anti-oxidation layer, oxidation of the sheath can be avoided.

[0006] Preferably, the wear-resistant layer has a thickness of 0.43 mm and is made of ceramic particles. By providing the wear-resistant layer, the wear and tear of the outer layer can be reduced.

[0007] Preferably, the outer side of the wear-resistant layer is provided with a plurality of convex strips distributed in an annular array, and the convex strips are made of rubber material. By providing the convex strips, the overall strength of the cable is increased.

[0008] Preferably, the thickness of the shielding layer is 1 mm, and the shielding layer is made of copper wire. By providing the shielding layer, interference between the wire cores during signal transmission can be prevented.

[0009] Preferably, the thickness of the elastic layer is 0.53 mm, and the elastic layer is made of ceramic silicone rubber. By providing the elastic layer, the elasticity and strength of the internal structure of the cable are improved.

[0010] Preferably, the thickness of the high temperature resistant layer is 0.8 mm, and the high temperature resistant layer is made of cross-linked polyethylene. By providing the high temperature resistant layer, the heat conduction of the wire core is reduced.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model avoids oxidation of the sheath by arranging an anti-oxidation layer, reduces heat conduction of the wire core by arranging a high-temperature resistant layer, and thus avoids high-temperature oxidation of the sheath, thereby making the cable as a whole more resistant to aging when in use. At the same time, the shielding layer is arranged to prevent interference of the wire core when transmitting signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 Front view of .

[0015] In the figure: 1. sheath; 2. anti-oxidation layer; 3. wear-resistant layer; 4. convex strip; 5. shielding layer; 6. elastic layer; 7. high temperature resistant layer; 8. wire core. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 2A wind power generation aging-resistant cable comprises a sheath 1, an anti-oxidation layer 2 is arranged on the outside of the sheath 1, the thickness of the anti-oxidation layer 2 is 0.5 mm, the anti-oxidation layer 2 is made of silicon carbide, and the oxidation of the sheath 1 is avoided by setting the anti-oxidation layer 2, a wear-resistant layer 3 is arranged on the outside of the anti-oxidation layer 2, the thickness of the wear-resistant layer 3 is 0.43 mm, the wear-resistant layer 3 is made of ceramic particles, and the wear and cracking of the outer layer is reduced by setting the wear-resistant layer 3, a plurality of convex strips 4 distributed in a ring array are arranged on the outside of the wear-resistant layer 3, and the convex strips 4 are made of rubber. By setting the convex strips 4, the overall strength of the cable is increased, and the inner part of the sheath 1 is provided with a plurality of convex strips 4 distributed in a ring array, and the convex strips 4 are made of rubber. By setting the convex strips 4, the overall strength of the cable is increased. A shielding layer 5 is provided, the thickness of the shielding layer 5 is 1mm, the shielding layer 5 is made of copper silk belt, and the shielding layer 5 is provided to prevent the wire core 8 from interfering when transmitting signals, an elastic layer 6 is provided inside the shielding layer 5, the thickness of the elastic layer 6 is 0.53mm, the elastic layer 6 is made of ceramic silicone rubber, and the elastic layer 6 is provided to improve the elasticity and strength of the internal structure of the cable, a high temperature resistant layer 7 is provided inside the elastic layer 6, the thickness of the high temperature resistant layer 7 is 0.8mm, the high temperature resistant layer 7 is made of cross-linked polyethylene, and the high temperature resistant layer 7 is provided to reduce the heat conduction of the wire core 8, and the wire core 8 is provided inside the high temperature resistant layer 7.

[0018] The specific implementation process of the utility model is as follows: when in use, by setting the anti-oxidation layer 2, the oxidation of the sheath 1 is avoided, by setting the wear-resistant layer 3, the wear and tear of the outer layer is reduced, by setting the convex strips 4, the overall strength of the cable is increased, by setting the elastic layer 6, the elasticity and strength of the internal structure of the cable are improved, by setting the high temperature resistant layer 7, the heat conduction of the core 8 is reduced, and the high temperature oxidation of the sheath 1 is avoided, so that the overall cable has stronger anti-aging performance when in use, and at the same time, by setting the shielding layer 5, the core 8 is prevented from interfering when transmitting signals.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aging-resistant cable for wind power generation, comprising a sheath (1), characterized in that: An anti-oxidation layer (2) is arranged on the outside of the sheath (1), a wear-resistant layer (3) is arranged on the outside of the anti-oxidation layer (2), a shielding layer (5) is arranged on the inside of the sheath (1), an elastic layer (6) is arranged on the inside of the shielding layer (5), a high-temperature resistant layer (7) is arranged on the inside of the elastic layer (6), and a wire core (8) is arranged on the inside of the high-temperature resistant layer (7).

2. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The anti-oxidation layer (2) has a thickness of 0.5 mm and is made of silicon carbide.

3. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The wear-resistant layer (3) has a thickness of 0.43 mm and is made of ceramic particles.

4. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The outer side of the wear-resistant layer (3) is provided with a plurality of convex strips (4) distributed in a ring array, and the convex strips (4) are made of rubber material.

5. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The shielding layer (5) has a thickness of 1 mm and is made of copper wire.

6. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The elastic layer (6) has a thickness of 0.53 mm and is made of ceramic silicone rubber.

7. The aging-resistant cable for wind power generation according to claim 1, characterized in that: The high temperature resistant layer (7) has a thickness of 0.8 mm and is made of cross-linked polyethylene.

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