CN217157767U

CN217157767U - Carbon fiber composite core overhead insulated cable

Info

Publication number: CN217157767U
Application number: CN202220460883.4U
Authority: CN
Inventors: 赵士银; 彭书礼; 李朝峰; 王延春; 李爱芳; 曹点点
Original assignee: Jiangsu Ruilong Electric Power Technology Research Institute Co ltd; Jiangsu Nari Yinlong Cable Co ltd
Current assignee: Jiangsu Ruilong Electric Power Technology Research Institute Co ltd; Jiangsu Nari Yinlong Cable Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-09
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a carbon-fibre composite core aerial insulated cable, including the carbon-fibre composite core, one side outer wall parcel of carbon-fibre composite core has the inner circle layer, and one side outer wall on inner circle layer is provided with the second filler, the outer wall parcel of second filler has the inner support layer, and the outer wall of inner support layer is provided with the filler, the outer wall parcel of filler has outer supporting ring, the inner support layer is the polygon star, and a plurality of angle degrees of inner support layer equal and be evenly distributed, outer supporting ring is the polygon, and the limit number of outer supporting ring corresponds with the angle of inner support layer mutually, the interior angle of outer supporting ring is connected with the angular point of inner support layer, the outer wall of outer supporting ring is provided with the third filler, and the outer wall parcel of third filler has the outer circle layer. The utility model discloses an aerial insulated cable of carbon-fibre composite core has the effect of suffering the destruction in order to ensure that the sinle silk does not receive the influence of external force to give the sufficient holding power of sinle silk.

Description

Carbon fiber composite core overhead insulated cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a carbon fiber composite core overhead insulated cable.

Background

The overhead cable (called overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special cable made up by adopting the similar production process of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. The aerial cable is a single core, and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core threaded structure (the wire core can be duralumin or duralumin wire) and the like according to different structures. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable has wide transmission application at home and abroad.

Under the prior art, for guaranteeing that the sinle silk of cable is difficult to receive the damage, can set up filler protection sinle silk in the cable, but the protective effect who only sets up the filler is limited, when receiving to destroy vigorously, still can lead to the sinle silk to receive the injury, for solving this problem, we have provided following scheme.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a carbon fiber composite core aerial insulated cable aims at solving the not enough technical problem of cable core protection.

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

the utility model provides a carbon-fibre composite core aerial insulated cable, includes the carbon-fibre composite core, one side outer wall parcel of carbon-fibre composite core has the inner circle layer, and one side outer wall on inner circle layer is provided with the second filler, the outer wall parcel of second filler has interior supporting layer, and the outer wall of interior supporting layer is provided with the filler, the outer wall parcel of filler has outer supporting ring.

Through being provided with interior supporting layer and outer supporting layer, interior supporting layer and outer supporting layer all are the rubber material, also can give certain holding power in plasticity, based on the characteristic of the many heart unifications of the multi-angle star of interior supporting layer, have support stability, the structure of being connected with interior supporting layer corner point in outer supporting layer interior angle makes whole bearing structure more stable simultaneously, can the big degree, the diversified dynamics that bears the external world and give, thereby give the perfect protection of carbon fiber composite core, in order to guarantee the life of cable.

In a preferred scheme, the outer wall of the outer support ring is provided with a third filler, and the outer wall of the third filler is wrapped by an outer ring layer.

Through being provided with the filler, first filler and second filler, the filler is the plastics material, be used for connecting interior support ring and outer support ring, with the connection fastening degree between consolidating, the second filler is the silicon rubber material, also can give certain protection effect when having insulating effect, the third filler is the bubble cotton, in supplementary type of moulding, also played flame retardant efficiency, the three combines together when increasing the protection to the compound core of carbon fiber, the safety in utilization performance of cable has also been strengthened.

In a preferred scheme, the outer wall of the outer ring layer is provided with a plurality of convex strips, and the convex strips are distributed in an equal density mode.

Through being provided with the sand grip, the sand grip distributes on the surface of outer lane layer, has played the effect of reinforcing friction power, when the staff installs the cable, can avoid the cable landing at will, simultaneously in the installation, also can increase the friction power of cable and installing support junction to make the installation more fasten, reinforcing installation effect.

In a preferred scheme, the outer ring layer comprises a rubber outer ring, and the outer wall of the rubber outer ring is wrapped with a wear-resistant coating.

The wear-resistant coating is uniformly sprayed outside the rubber outer ring, so that the cable can be used outdoors for a long time in time, and the rubber outer ring of the cable cannot be easily degraded, thereby ensuring the service life of the cable.

From the above, a carbon fiber composite core aerial insulated cable, includes the carbon fiber composite core, one side outer wall parcel of carbon fiber composite core has the inner circle layer, and one side outer wall of inner circle layer is provided with the second filler, the outer wall parcel of second filler has the inner supporting layer, and the outer wall of inner supporting layer is provided with the filler, the outer wall parcel of filler has outer support circle. The utility model provides a carbon-fibre composite core aerial insulated cable has the enough holding power of giving the sinle silk and suffers the technological effect of destruction in order to ensure that the sinle silk does not receive the influence of external force.

Drawings

Fig. 1 is a schematic view of an overall appearance structure of a carbon fiber composite core overhead insulated cable provided by the present invention;

fig. 2 is a schematic view of an overall cross-sectional structure of a carbon fiber composite core overhead insulated cable provided by the present invention;

fig. 3 is a schematic structural view of an inner ring layer of the carbon fiber composite core overhead insulated cable provided by the present invention;

fig. 4 is the outer ring layer of the carbon fiber composite core overhead insulated cable provided by the utility model forms a schematic structural diagram.

In the figure: 1. an outer race layer; 2. a convex strip; 3. an outer support ring; 4. an inner support layer; 5. a filler; 6. a second filler; 7. an inner ring layer; 8. a carbon fiber composite core; 9. a third filler; 101. a wear-resistant coating; 102. a rubber outer ring; 701. an insulating layer; 702. a flame retardant layer; 703. aluminum foil.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model discloses a carbon fiber composite core overhead insulated cable mainly is applied to cable laying's scene.

Referring to fig. 1 and 2, the carbon fiber composite core overhead insulated cable comprises a carbon fiber composite core 8, wherein an inner ring layer 7 wraps the outer wall of one side of the carbon fiber composite core 8, a second filler 6 is arranged on the outer wall of one side of the inner ring layer 7, an inner supporting layer 4 wraps the outer wall of the second filler 6, a filler 5 is arranged on the outer wall of the inner supporting layer 4, and an outer supporting ring 3 wraps the outer wall of the filler 5.

Referring to fig. 1 and 2, in a preferred embodiment, the inner support layer 4 is a multi-angular star shape, and the plurality of angular angles of the inner support layer 4 are equal and uniformly distributed.

Referring to fig. 1 and 2, in a preferred embodiment, the outer support ring 3 is polygonal, the number of sides of the outer support ring 3 corresponds to the number of corners of the inner support layer 4, and the inner corners of the outer support ring 3 are connected to the corners of the inner support layer 4.

Referring to fig. 1 and 2, in a preferred embodiment, the outer wall of the outer support ring 3 is provided with a third filler 9, and the outer wall of the third filler 9 is wrapped with the outer ring layer 1.

Referring to fig. 4, in a preferred embodiment, a plurality of ribs 2 are provided on the outer wall of the outer ring layer 1, and the plurality of ribs 2 are distributed in an equal density.

Referring to fig. 4, in a preferred embodiment, the outer race layer 1 includes a rubber outer race 102, and the outer wall of the rubber outer race 102 is coated with a wear-resistant coating 101.

Referring to fig. 3, in a preferred embodiment, the inner hoop layer 7 includes a flame retardant layer 702, an outer wall of the flame retardant layer 702 is wrapped with an insulating layer 701, and an inner wall of the flame retardant layer 702 is wrapped with an aluminum foil 703.

The working principle is as follows: when the cable is in use, under the action of the inner supporting layer 4 in the shape of the multilateral star, based on the characteristic of integration of multiple centers of the multilateral star, the inner supporting layer 4 after being molded can bear pressure in multiple aspects, meanwhile, the outer supporting layer 3 at the periphery of the inner supporting layer 4 is used for performing secondary protection on a wire core, under the connection structure of the inner supporting layer 4 and the outer supporting layer 3, the protection structure is more perfect, the service life of the wire core is ensured, and meanwhile, under the action of the filler 5, the second filler 6 and the third filler 9, the effects of insulation, flame retardance and support are achieved, and the use safety of the cable is further ensured.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.

Claims

1. The utility model provides a carbon-fibre composite core aerial insulated cable, includes carbon-fibre composite core (8), its characterized in that, one side outer wall parcel of carbon-fibre composite core (8) has inner circle layer (7), and one side outer wall of inner circle layer (7) is provided with second filler (6), the outer wall parcel of second filler (6) has interior supporting layer (4), and the outer wall of interior supporting layer (4) is provided with filler (5), the outer wall parcel of filler (5) has outer supporting ring (3).

2. The carbon fiber composite core aerial insulated cable according to claim 1, characterized in that the inner supporting layer (4) is a polygonal star shape, and a plurality of angles of the inner supporting layer (4) are equal and uniformly distributed.

3. The carbon fiber composite core overhead insulated cable according to claim 2, characterized in that the outer support ring (3) is polygonal, the number of sides of the outer support ring (3) corresponds to the angle of the inner support layer (4), and the inner angle of the outer support ring (3) is connected with the angular point of the inner support layer (4).

4. The carbon fiber composite core overhead insulated cable according to claim 1, characterized in that the outer wall of the outer support ring (3) is provided with a third filler (9), and the outer wall of the third filler (9) is wrapped with the outer ring layer (1).

5. The carbon fiber composite core overhead insulated cable of claim 4, wherein the outer wall of the outer ring layer (1) is provided with a plurality of convex strips (2), and the plurality of convex strips (2) are distributed in an equal density.

6. The carbon fiber composite core overhead insulated cable of claim 5, wherein the outer ring layer (1) comprises a rubber outer ring (102), and the outer wall of the rubber outer ring (102) is wrapped with a wear-resistant coating (101).

7. The carbon fiber composite core overhead insulated cable of claim 1, wherein the inner ring layer (7) comprises a flame retardant layer (702), an insulating layer (701) is wrapped on the outer wall of the flame retardant layer (702), and an aluminum foil (703) is wrapped on the inner wall of the flame retardant layer (702).