CN211719284U

CN211719284U - Wind energy cable with excellent weather resistance

Info

Publication number: CN211719284U
Application number: CN202020279299.XU
Authority: CN
Inventors: 寇金臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-10-20
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a wind energy cable with excellent weather resistance, which comprises an insulating sheath, wherein a cavity is arranged inside the insulating sheath, a fixed rod is embedded and installed at the central position inside the cavity, inner notches are equidistantly arranged at the outer ends of the fixed rods, outer notches are equidistantly arranged at the positions, corresponding to the inner notches, of the inner wall of the cavity, and insulating layers are embedded and installed at the middle positions, corresponding to the outer notches and the inner notches, inside the cavity, at equal intervals, of the inner wall of the cavity. The flexibility of the fixing rod is strengthened, and the integral bending property of the cable is further ensured.

Description

Wind energy cable with excellent weather resistance

Technical Field

The utility model relates to a wind energy cable technical field specifically is a wind energy cable that weatherability is good.

Background

The wind energy is a novel energy source in the 21 st century, the use amount of the wind energy is gradually increased along with the improvement of the technological level, and the wind energy cable is used for related power supply of a wind driven generator, a wind power field and the like and has the characteristics of weather resistance, softness and the like;

however, when the existing wind energy cable is used, the inner conductor is easily intertwined to affect the transmission efficiency of the cable, and meanwhile, the inner conductor of the cable is easily affected by the external temperature, and in addition, the cable is seriously worn and often breaks, so that for these situations, in order to avoid the above technical problems, it is necessary to provide a wind energy cable with excellent weather resistance to overcome the above defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wind energy cable that weatherability is good can effectively solve the inside conductor that proposes among the above-mentioned background art and appear the phenomenon of intertwining together easily, influences the transmission efficiency of cable, and the inside conductor of cable is influenced by external temperature easily simultaneously, and cable wearing and tearing are serious in addition, often appear the problem of cracked phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme: a wind energy cable with excellent weather resistance comprises an insulating sheath, wherein a cavity is formed in the insulating sheath, a fixing rod is embedded and installed at the center position in the cavity, inner notches are formed in the outer ends of the fixing rod at equal intervals, outer notches are formed in the inner wall of the cavity at positions corresponding to the inner notches at equal intervals, insulating layers are embedded and installed at positions corresponding to the outer notches and the middle portions of the inner notches in the cavity at equal intervals, and conductors are embedded and installed in the insulating layers;

preferably, the outer end of the insulating sheath is fixedly connected with an elastic moisture-proof layer, the outer end of the elastic moisture-proof layer is fixedly connected with a heat insulation layer, the heat insulation layer comprises an aerogel pad and asbestos, the outer end of the heat insulation layer is fixedly connected with an outer sheath, and the outer end of the outer sheath is fixedly connected with a wear-resistant layer.

Preferably, a through hole is formed in the center of the fixing rod, and the fixing rod is made of elastic rubber.

Preferably, the number of the insulating layers and the number of the conductors are five, gaps are reserved among the insulating layers, and the outer diameter of each insulating layer is larger than the distance from the inner wall of the cavity to the outer end of the fixing rod.

Preferably, there are two aerogel pads, the asbestos is fixed between the two aerogel pads, and the outer end of the wear-resistant layer is coated with an anticorrosive paint.

Preferably, the elasticity dampproof course includes water proof membrane, heat preservation, cotton and basic unit absorb water, the cotton embedding of absorbing water is installed between water proof membrane and heat preservation, heat preservation other end fixedly connected with basic unit.

Preferably, the heat-insulating layer is filled with thermoplastic rubber, and the thickness of the heat-insulating layer is greater than that of the waterproof membrane and the base layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with insulating sheath, cavity, dead lever, interior notch, outer notch, insulating layer, conductor and through-hole, fix the conductor inside the cavity through the insulating layer to through interior notch and in the notch cooperation, increase the stability of conductor, avoid the conductor intertwine together, further fixed conductor through the dead lever simultaneously, in addition through the through-hole, reduce the thickness of dead lever, guarantee the holistic bendability of cable.

2. Be provided with insulating layer, aerogel pad, asbestos, oversheath and wearing layer, through the inside aerogel pad of insulating layer and the cooperation of asbestos, improve the thermal-insulated effect of insulating layer, avoid the inside conductor temperature of cable too high, increase the abrasion resistance of cable through the wearing layer simultaneously, through the anticorrosive coating of wearing layer outer end, avoid the wearing layer corruption in addition, improve the life of cable.

3. Be provided with water proof membrane, heat preservation, cotton and basic unit absorb water, avoid the rainwater to get into through the water proof membrane, influence the use of conductor, absorb moisture through the cotton that absorbs water simultaneously to through the heat preservation, guarantee inside temperature, thereby improve the dampproofing effect of cable, increased the weatherability of cable, avoid the cable to damage, reduce the loss.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the area A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the thermal insulation layer of the present invention;

FIG. 4 is a schematic view of the inner structure of the elastic moisture barrier of the present invention;

reference numbers in the figures: 1. an insulating sheath; 2. a chamber; 3. fixing the rod; 4. an inner notch; 5. an outer notch; 6. an insulating layer; 7. a conductor; 8. an elastic moisture barrier; 9. a thermal insulation layer; 10. an aerogel pad; 11. asbestos; 12. an outer sheath; 13. a wear layer; 14. a through hole; 15. a water-resistant film; 16. a heat-insulating layer; 17. absorbent cotton; 18. a base layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a wind energy cable with excellent weather resistance, which comprises an insulating sheath 1, a cavity 2 is arranged inside the insulating sheath 1, a fixed rod 3 is embedded and installed at the central position inside the cavity 2, in order to increase the elasticity of the fixing rod 3, a through hole 14 is arranged at the central position of the fixing rod 3, the fixing rod 3 is made of elastic rubber, inner notches 4 are arranged at the outer ends of the fixing rod 3 at equal intervals, outer notches 5 are arranged at the positions, corresponding to the inner notches 4, of the inner wall of the cavity 2 at equal intervals, insulating layers 6 are embedded and installed at the positions, corresponding to the outer notches 5 and the middle parts of the inner notches 4, inside the cavity 2 at equal intervals, conductors 7 are embedded and installed inside the insulating layers, meanwhile, the bending property of the cable is not influenced, the number of the insulating layers 6 and the number of the conductors 7 are five, gaps are reserved between the insulating layers 6, and the outer diameter of each insulating layer 6 is larger than the distance from the inner wall of the cavity 2 to the outer end of the fixing rod 3;

the outer end of the insulating sheath 1 is fixedly connected with an elastic moisture-proof layer 8, the outer end of the elastic moisture-proof layer 8 is fixedly connected with a heat insulation layer 9, the heat insulation layer 9 comprises aerogel pads 10 and asbestos 11, the outer end of the heat insulation layer 9 is fixedly connected with an outer sheath 12, the outer end of the outer sheath 12 is fixedly connected with a wear-resistant layer 13, in order to improve the heat insulation effect, the number of the aerogel pads 10 is two, the asbestos 11 is fixed between the two aerogel pads 10, and the outer end of the wear-resistant layer 13 is coated;

in order to avoid conductor 7 to wet, elasticity dampproof course 8 includes water proof membrane 15, heat preservation 16, cotton 17 and basic unit 18 absorb water, and the cotton 17 embedding of absorbing water is installed between water proof membrane 15 and heat preservation 16, and heat preservation 16 other end fixedly connected with basic unit 18, in order to guarantee thermal-insulated damp-proof effect, does not influence the bending property of cable simultaneously, and heat preservation 16 inside is filled there is thermoplastic rubber, and the thickness of heat preservation 16 is greater than the thickness of water proof membrane 15 and basic unit 18.

The utility model discloses a theory of operation and use flow: in the process of using the wind energy cable with excellent weather resistance, firstly, the inner notch 4 is matched with the outer notch 5 to fix the insulating layer 6 in the cavity 2, the stability of the insulating layer 6 is further improved through the fixing rod 3, the insulating layer 6 is prevented from being intertwined, in addition, the thickness of the fixing rod 3 is reduced through the through hole 14, the bending property of the fixing rod 3 is strengthened, and the elasticity of the cable is ensured;

then, the external temperature is blocked by the heat insulation layer 9, the use of the inner conductor 7 is prevented from being influenced by the external high temperature, meanwhile, the heat insulation effect is improved by the matching of the aerogel pad 10 and the asbestos 11, the overall flexibility of the cable is ensured, the wear-resisting effect of the cable is improved by the wear-resisting layer 13, meanwhile, the corrosion of the anti-corrosion coating at the outer end of the wear-resisting layer 13 is avoided, and the service life of the cable is prolonged;

finally, the waterproof membrane 15 through the inside of elasticity dampproof course 8 reduces the entering of vapor to through the cotton 17 absorption moisture that absorbs water, avoid inner conductor 7 to wet, guarantee simultaneously through heat preservation 16 that the internal temperature can not run off, avoid the internal temperature lower, influence conductor 7's use, and then increase the adaptability of cable, improve weatherability, increase the life of cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind energy cable with excellent weather resistance comprises an insulating sheath (1), and is characterized in that: a cavity (2) is formed in the insulating sheath (1), a fixing rod (3) is embedded and installed at the center position in the cavity (2), inner notches (4) are formed in the outer ends of the fixing rods (3) at equal intervals, outer notches (5) are formed in the inner wall of the cavity (2) at equal intervals corresponding to the positions of the inner notches (4), insulating layers (6) are embedded and installed in the cavity (2) at equal intervals corresponding to the positions of the outer notches (5) and the middle positions of the inner notches (4), and conductors (7) are embedded and installed in the insulating layers (6);

insulating sheath (1) outer end fixed connection has elasticity dampproof course (8), elasticity dampproof course (8) outer end fixedly connected with insulating layer (9), insulating layer (9) are including aerogel pad (10) and asbestos (11), insulating layer (9) outer end fixedly connected with oversheath (12), oversheath (12) outer end fixedly connected with wearing layer (13).

2. A wind energy cable with excellent weather resistance according to claim 1, wherein: the fixing rod (3) is characterized in that a through hole (14) is formed in the center of the fixing rod (3), and the fixing rod (3) is made of elastic rubber.

3. A wind energy cable with excellent weather resistance according to claim 1, wherein: insulating layer (6) and conductor (7) are total five, and all leave the space between insulating layer (6), the external diameter of insulating layer (6) is greater than the distance of cavity (2) inner wall to dead lever (3) outer end.

4. A wind energy cable with excellent weather resistance according to claim 1, wherein: the number of the aerogel pads (10) is two, the asbestos (11) is fixed between the two aerogel pads (10), and the outer end of the wear-resistant layer (13) is coated with anticorrosive paint.

5. A wind energy cable with excellent weather resistance according to claim 1, wherein: elastic moisture-proof layer (8) include water proof membrane (15), heat preservation (16), absorb water cotton (17) and basic unit (18), it installs between water proof membrane (15) and heat preservation (16) to absorb water cotton (17) embedding, heat preservation (16) other end fixedly connected with basic unit (18).

6. The wind energy cable of claim 5, wherein: the heat-insulating layer (16) is filled with thermoplastic rubber, and the thickness of the heat-insulating layer (16) is larger than that of the waterproof film (15) and the base layer (18).