CN212380185U

CN212380185U - Aluminum core crosslinked polyethylene insulated overhead cable

Info

Publication number: CN212380185U
Application number: CN202021452167.9U
Authority: CN
Inventors: 马荣丰
Original assignee: Kunming Red Star Cable Co ltd
Current assignee: Kunming Red Star Cable Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-01-19
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses an aluminium core crosslinked polyethylene insulated overhead cable, including several conductive core, conductive core has two at least, and each conductive core's outside wraps up in proper order and sets up the modification layer, and each conductive core equipartition that the parcel has the modification layer is in the design insulating layer the center of design insulating layer is provided with the enhancement line, design insulating layer outside wraps up in proper order and sets up fire-retardant layer, armor and insulating wearing layer, then be provided with low temperature resistant layer between armor and the insulating wearing layer. The utility model avoids the short circuit caused by the cross of a plurality of insulated cables; the buffer of the anti-creeping safe insulated cable is realized; the fire-retardant layer increases the fire behavior of cable, and armor and enhancement line strengthen the intensity of cable possess anti low temperature effect simultaneously, can be used for using under the low temperature environment, very big increase of service life.

Description

Aluminum core crosslinked polyethylene insulated overhead cable

Technical Field

The utility model belongs to the technical field of transmission cable, especially, relate to an insulating aerial [ insulated ] cable of aluminium core crosslinked polyethylene.

Background

The insulated cable is used for data transmission. The insulating cable conductor is excellent in material, and the anti-creeping performance is improved. The existing insulated cable has the following defects in use:

firstly, the fire prevention aspect has deficiencies; secondly, when a plurality of insulated cables are horizontally erected, the problem of short circuit caused by crossing exists.

Therefore, the development of a novel cable with fire prevention and short circuit functions is the key to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides an insulating aerial [ insulated ] cable of aluminium core crosslinked polyethylene.

The utility model discloses a following technical scheme realizes: the cable comprises a plurality of conductive wire cores, wherein the number of the conductive wire cores is at least two, the outer part of each conductive wire core is sequentially wrapped with a modification layer, each conductive wire core wrapped with the modification layer is uniformly distributed in a shaping insulating layer, a reinforcing wire is arranged at the center of the shaping insulating layer, the outer part of the shaping insulating layer is sequentially wrapped with a flame-retardant layer, an armor layer and an insulating wear-resistant layer, and a low-temperature-resistant layer is arranged between the armor layer and the insulating wear-resistant layer.

The utility model has the advantages that: the utility model avoids the short circuit caused by the cross of a plurality of insulated cables; the buffer of the anti-creeping safe insulated cable is realized; the fire-retardant layer increases the fire behavior of cable, and the intensity of armor and reinforced line reinforcing cable possesses anti low temperature effect simultaneously, can be used for using under the low temperature environment, and the fire resistance heat-resisting ability is excellent, and electrically conductive effectual, intensity is big, is provided with insulating wearing layer, and insulating effectual, the wearability is strong, very big increase of service life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

reference numbers in the figures: 1-conductive wire core, 2-modified layer, 3-shaped insulating layer, 4-reinforcing wire, 5-flame retardant layer, 6-armor layer, 7-insulating wear-resistant layer, 8-low temperature resistant layer and 9-shielding layer.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided with reference to the accompanying drawings.

The aluminum core crosslinked polyethylene insulated overhead cable shown in fig. 1 comprises a plurality of conductive wire cores 1, wherein at least two conductive wire cores 1 are provided, the outside of each conductive wire core 1 is sequentially wrapped with a modification layer 2, each conductive wire core 1 wrapped with the modification layer 2 is uniformly distributed in a shaping insulation layer 3, a reinforcing wire 4 is arranged at the center of the shaping insulation layer 3, the outside of the shaping insulation layer 3 is sequentially wrapped with a flame retardant layer 5, an armor layer 6 and an insulating wear-resistant layer 7, and a low temperature resistant layer 8 is arranged between the armor layer 6 and the insulating wear-resistant layer 7.

The low temperature resistant layer 8 is made of low temperature resistant TPE materials and is low temperature resistant.

The modified layer 2 is made of silicon rubber material.

And a shielding layer 9 is arranged outside the modified layer 2.

The flame-retardant layer 5 is made of polyvinyl chloride material.

The reinforcing wire 4 is a steel wire, and the tensile strength of the cable is enhanced.

The conductive wire core 1 is made of copper.

Claims

1. The utility model provides an insulating aerial [ insulated ] cable of aluminium core crosslinked polyethylene, includes several conductive core (1), its characterized in that: the novel cable is characterized in that the number of the conductive wire cores (1) is at least two, the outside of each conductive wire core (1) is sequentially wrapped with a modification layer (2), each conductive wire core (1) wrapped with the modification layer (2) is uniformly distributed in a shaping insulating layer (3), a reinforcing wire (4) is arranged at the center of the shaping insulating layer (3), the outside of the shaping insulating layer (3) is sequentially wrapped with a flame-retardant layer (5), an armor layer (6) and an insulating wear-resistant layer (7), and a low-temperature-resistant layer (8) is arranged between the armor layer (6) and the insulating wear-resistant layer (7).

2. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: the low-temperature-resistant layer (8) is made of a low-temperature-resistant TPE material.

3. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: the modified layer (2) is made of silicon rubber material.

4. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: and a shielding layer (9) is arranged outside the modified layer (2).

5. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: the flame-retardant layer (5) is made of polyvinyl chloride material.

6. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: the reinforcing wire (4) is a steel wire.

7. The aluminum core crosslinked polyethylene insulated overhead cable of claim 1, wherein: the conductive wire core (1) is made of copper.