CN217822113U

CN217822113U - Full-insulation flat transposition aluminum cable

Info

Publication number: CN217822113U
Application number: CN202221409266.8U
Authority: CN
Inventors: 田卉莘; 栾立群; 张永杰
Original assignee: Tianjin Xiaomao Wire Cable Co ltd
Current assignee: Tianjin Xiaomao Wire Cable Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-15
Anticipated expiration: 2032-06-08

Abstract

The utility model provides a flat transposition aluminum cable of full insulation belongs to the cable field. Including the cable core, the cable inoxidizing coating parcel is arranged in the cable core outside, the cable inoxidizing coating includes the armour layer, outer insulating layer, the armour layer is around twining on arranging the cable core in, the armour layer outside is equipped with outer insulating layer, the armour layer is the continuous sleeve structure of strip structure along the spiral line winding formation, and the mutual overlap joint in edge, outer insulating layer is the outer protective structure of insulating material formation, the cable core includes a plurality of single strand cables, the winding of single strand cable forms, the single strand cable is a plurality of for a set of, and be provided with two sets ofly, the winding each other between two sets of cables, the single strand cable of the same group is the spiral winding, can form the heat dissipation cavity, carry out the hot diffusion of cable.

Description

Full-insulation flat transposition aluminum cable

Technical Field

The utility model provides a flat transposition aluminum cable of full insulation belongs to the cable field.

Background

At present, a common flat transposed aluminum conductor is mainly used in an extra-high voltage and ultra-high voltage grid reactor, but in the operation of a power grid, the reactor and a transformer are always in full-load and overload operation, and the temperature rise of windings in the reactor and the transformer is easily overhigh; especially, the impact of high voltage and large current caused by various disasters in the power grid easily causes that an electric reactor and a transformer reach very high temperature instantly, and the power supply efficiency and the safety of the power grid are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a flat transposition aluminum cable of full insulation, the one that provides is through cable winding formation heat dissipation cavity, carries out the aluminum cable structure that the cable supported. Simple structure and convenient use.

The utility model relates to a flat transposition aluminum cable of full insulation is realized like this, the utility model relates to a flat transposition aluminum cable of full insulation: the cable core comprises a plurality of single-strand cables which are wound to form a single-strand cable, the single-strand cables in the same group are in a rectangular structure in a serious spiral axial projection cross section, the inner side width of the rectangle is equal to the diameter of the single-strand cables, the spiral structure formed by the two groups of single-strand cables is wound to form a spiral structure, the spiral structure is wound to form a joint corresponding to the surface, the insulating layer is clamped between the two groups of single-strand cables, a heat dissipation interval is arranged between the two groups of single-strand cables, and the two groups of single-strand cables are arranged at equal intervals;

the single-strand cable is an aluminum core, and an insulating coating is arranged on the surface of the single-strand cable;

the armor layer is wound around a maximum projected profile formed by the single-stranded cable;

middle part insulating layer is for moulding the membrane, and corresponds laminating department with single strand cable and form the bonding:

the outer insulating layer is wrapped on the armor layer through a thermoplastic process;

the armor layer is formed by winding a steel belt.

Has the advantages that:

1. a heat dissipation cavity can be formed, and the heat of the cable can be dissipated fiercely;

2. the hollow arrangement is adopted, so that the compression resistance is improved;

3. simple structure and convenient use.

Drawings

Fig. 1 is the aluminum core three-dimensional structure diagram of the flat transposition aluminum cable of the utility model.

Fig. 2 is the sectional structure schematic diagram of the fully insulated flat transposed aluminum cable of the present invention.

Fig. 3 is a side view of a cable core of the fully insulated flat transposed aluminum cable of the present invention.

Fig. 4 is the utility model relates to a structural schematic diagram of cable core of full-insulated flat transposition aluminum cable.

In the drawings:

1. a single strand cable; 2. a heat dissipation interval; 3. a middle insulating layer; 4. an armor layer; 5. an outer insulating layer.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

According to the illustrations of FIGS. 1-4: the utility model relates to a flat transposition aluminum cable of full insulation is realized like this, the utility model relates to a flat transposition aluminum cable of full insulation: the cable comprises a cable core and a cable protective layer, wherein the cable protective layer is wrapped and arranged on the outer side of the cable core and comprises an armor layer 4 and an outer insulating layer 5, the armor layer 4 is wound and arranged on the cable core, the outer insulating layer 5 is arranged on the outer side of the armor layer 4, the armor layer 4 is a continuous sleeve structure formed by winding a strip structure along a spiral line, the edges of the armor layer and the outer insulating layer are mutually overlapped, the outer insulating layer 5 is an outer protective structure formed by insulating materials, the cable core comprises a plurality of single-strand cables 1, the single-strand cables 1 are wound and formed, a plurality of the single-strand cables 1 are in one group and are provided with two groups, the two groups of the cables are mutually wound and wound, the single-strand cables 1 in the same group are spirally wound and have a spiral pitch which is the sum of the diameters of all the single-strand cables 1, the single-stranded cable 1 in the same group has a rectangular structure in a severe spiral axial projection cross section, the width of the inner side of the rectangle is equal to the diameter of a single-stranded cable 1, the spiral structure formed by the two groups of single-stranded cables 1 is wound and is attached to the corresponding surface, a middle insulating layer 3 is clamped between the two groups of single-stranded cables 1, a heat dissipation interval 2 is arranged between the two groups of single-stranded cables 1, the heat dissipation interval 2 is arranged at equal intervals, the two groups of single-stranded cables 1 are wound and formed, when the cable is used, the heat dissipation interval 2 formed by winding the single-stranded cable 1 forms heat diffusion and is synchronous to form a hollow structure, the overall compression resistance of the cable is improved, a deformation cache region extruded by external force is formed by the heat dissipation interval 2, the single-stranded cable 1 is an aluminum core, and an insulating coating is arranged on the surface of the single-stranded cable 1; the armor layer 4 is wound around the maximum projection profile formed by the single strand cable 1; the middle insulating layer 3 is a plastic film and forms adhesion with the corresponding joint of the single-stranded cable 1; the outer insulating layer 5 is wrapped on the armor layer 4 through a thermoplastic process; the armor layer 4 is formed by winding a steel belt; the purpose of heat dissipation protection is carried out to transposition aluminium cable to reaching.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an all-insulated flat transposition aluminum cable, includes cable core, cable inoxidizing coating, and cable inoxidizing coating parcel is arranged in the cable core outside, and the cable inoxidizing coating includes armour layer (4), outer insulating layer (5), its characterized in that: armor layer (4) winding is arranged in on the cable core, armor layer (4) outside is equipped with outer insulating layer (5), armor layer (4) are the continuous sleeve structure that strip structure formed along spiral winding, and the edge overlap joint each other, outer insulating layer (5) are the outer protective structure of insulating material formation, the cable core includes a plurality of singlestrand cables (1), singlestrand cable (1) winding forms, singlestrand cable (1) is a plurality of to a set of, and be provided with two sets ofly, winding each other between two sets of cables, singlestrand cable (1) of the same group is spiral winding, and be the diameter sum of all singlestrand cables (1) for spiral pitch, singlestrand cable (1) serious spiral axial projection cross-section of the same group is the rectangle structure, and the inboard width of rectangle equals singlestrand cable (1) diameter, the spiral structure winding that two sets of singlestrand cables (1) formed, and correspond the face and form the laminating, centre portion insulating layer (3) is held between two sets of singlestrand cables (1), be provided with heat dissipation interval (2) between two sets of singlestrand cables (1), heat dissipation interval (2) formation equidistance.

2. The fully insulated transposed aluminum cable of claim 1, wherein: the single-stranded cable (1) is an aluminum core, and the surface of the single-stranded cable is provided with an insulating coating.

3. The fully insulated flat transposed aluminum cable of claim 1, wherein: the armor layer (4) is wound around the maximum projection profile formed by the single-stranded cable (1).

4. The fully insulated transposed aluminum cable of claim 1, wherein: middle part insulating layer (3) are for moulding the membrane, and correspond laminating department with single strand cable (1) and form the bonding.

5. The fully insulated transposed aluminum cable of claim 1, wherein: the outer insulating layer (5) is wrapped on the armor layer (4) through a thermoplastic process.

6. The fully insulated flat transposed aluminum cable of claim 1, wherein: the armor layer (4) is formed by winding a steel belt.