CN219349827U

CN219349827U - Novel lapped copper flat wire

Info

Publication number: CN219349827U
Application number: CN202320108666.3U
Authority: CN
Inventors: 王晓燕; 杨伟荣; 王晓波
Original assignee: Shanghai Moyuan Industrial Co ltd
Current assignee: Shanghai Moyuan Industrial Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-07-14
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a novel lapped copper flat wire, which improves the high temperature resistance of an internal polyimide paint film layer by adding an inner protective sleeve, a muscovite powder layer and a silicon fiber material on the basis of providing an insulation effect of the polyimide paint film layer, ensures that the polyimide paint film layer provides a good insulation effect, and the silicon fiber layer and the muscovite powder layer provide double insulation, so that the corona resistance is good, the wear resistance is strong, the arrangement of a composite layer can also effectively improve the high temperature resistance, and the composite layer is tightly attached and installed with a groove in a matching way, and the bonding strength is high.

Description

Novel lapped copper flat wire

Technical Field

The utility model relates to the field of cables, in particular to a novel lapped copper flat wire.

Background

The electricity has irreplaceable function in the current social development, so that the development of various fields of each industry is not separated, the generation of electricity utilizes Faraday electromagnetic induction effect, magnetic field is generated through current or induction current is generated by cutting magnetic lines, the mutual conversion of electric energy and magnetic field energy is realized, and the electromagnetic wire is also indispensable as an important component.

At present, most of electromagnetic wires made of copper are pure-coating enameled wires and single-layer glass fiber covered enameled wires, and the electromagnetic wires are single in effect, poor in mechanical property and electrical property, poor in heat resistance and erosion resistance and insufficient in comprehensive performance.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a novel lapped copper flat wire, which adopts the technical scheme that the novel lapped copper flat wire comprises a copper conductor, a polyimide paint film layer, an inner protective sleeve, a muscovite powder layer and an outer protective sleeve, wherein the copper conductor is covered with the polyimide paint film layer, the polyimide film has excellent high and low temperature resistance, electrical insulation, cohesiveness, radiation resistance and dielectric resistance, and provides insulation efficacy for the copper flat wire, and the novel lapped copper flat wire can be used for a long time in the temperature range of-269-280 ℃, so the protective sleeve is sleeved outside the polyimide paint film layer and is used for heat insulation, the protective sleeve is covered with the muscovite powder layer, the muscovite is a good electrical insulator and a good thermal insulator, and can be produced in large quantity, the insulation effect is improved, the muscovite powder layer is fixedly sleeved with the outer protective sleeve, and the muscovite powder layer is surrounded and protected, and is more attractive.

As a preferable technical scheme of the utility model, the copper conductor has a rectangular cross section, and the copper content is not less than 99.95%.

As a preferable technical scheme of the utility model, the thickness of the polyimide paint film layer is 0.2mm-0.4mm.

As a preferable technical scheme of the utility model, a plurality of arc grooves are uniformly formed on the outer side wall of the protective sleeve, the spacing between the arc grooves is 0.3mm-0.4mm, and silicon fiber materials are filled in the arc grooves.

As a preferable technical scheme of the utility model, the muscovite powder layer is externally wound with a composite layer, the composite layer is composed of staggered inner polyimide paint film layers and hot melt adhesive, the composite layer is integrally in a wrapping form, and the inner wall of the outer protective sleeve is provided with grooves corresponding to the composite layer, so that the two layers can be closely attached, and the bonding and fixing strength is ensured.

The utility model has the beneficial effects that: the inner protective sleeve, the muscovite powder layer and the silicon fiber material are added on the basis that the polyimide paint film layer provides an insulating effect to improve the high temperature resistance of the polyimide paint film layer, ensure that the polyimide paint film layer provides a good insulating effect, and the silicon fiber layer and the muscovite powder layer provide double insulation, so that corona resistance is good, abrasion resistance is strong, the high temperature resistance can be effectively improved by setting the composite layer, and the composite layer is tightly attached to the groove in a matched manner, and has high bonding strength.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model after removal of

parts

1, 2 and 4;

fig. 3 is a schematic view of the structure of the removing member 5 of the present utility model.

In the figure: copper conductor 1, polyimide paint film layer 2, inner protective sleeve 3, arc groove 31, silicon fiber material 32, muscovite powder layer 4, composite layer 41, outer protective sleeve 5 and groove 51.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a novel lapped copper flat wire, which adopts the technical scheme that the novel lapped copper flat wire comprises a copper conductor 1, a polyimide paint film layer 2, an inner protective sleeve 3, a muscovite powder layer 4 and an outer protective sleeve 5, wherein the copper conductor 1 is externally coated with one polyimide paint film layer 2, the polyimide paint film layer 2 is externally sheathed with the inner protective sleeve 3, the protective sleeve 3 is externally coated with one muscovite powder layer 4, and the outer protective sleeve 5 is fixedly sheathed outside the muscovite powder layer 4.

As a preferable technical scheme of the utility model, the copper conductor 1 has a rectangular cross section, and the copper content is not less than 99.95%.

As a preferred embodiment of the utility model, the thickness of the polyimide film layer 2 is 0.2mm.

As a preferable technical scheme of the utility model, a plurality of arc grooves 31 are uniformly formed on the outer side wall of the protective sleeve 3, the distance between the arc grooves 31 is 0.3mm, and the arc grooves 31 are filled with silicon fiber materials 32 to provide double insulation.

As a preferable technical scheme of the utility model, a composite layer 41 is wound outside the muscovite powder layer 4, the composite layer is composed of staggered inner polyimide paint film layers and hot melt adhesive, and the inner wall of the outer protective sleeve 5 is provided with grooves 51 corresponding to the positions of the composite layer 41.

Example 2

As a preferred embodiment of the utility model, the thickness of the polyimide film layer 2 is 0.4mm.

As a preferable technical scheme of the utility model, a plurality of arc grooves 31 are uniformly formed on the outer side wall of the protective sleeve 3, the spacing between the arc grooves 31 is 0.4mm, and the arc grooves 31 are filled with silicon fiber materials 32 to provide double insulation.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. The utility model provides a novel lapped copper flat wire which characterized in that: comprises a copper conductor (1), a polyimide paint film layer (2), an inner protective sleeve (3), a muscovite powder layer (4) and an outer protective sleeve (5); the copper conductor (1) is coated with a polyimide paint film layer (2); the polyimide paint film layer (2) is externally sleeved with an inner protective sleeve (3); the protective sleeve (3) is covered with a muscovite powder layer (4); an outer protective sleeve (5) is fixedly sleeved outside the muscovite powder layer (4); the copper conductor (1) has a rectangular cross section, and the copper content of the copper conductor is not less than 99.95%; the thickness of the polyimide paint film layer (2) is 0.2mm-0.4mm; the outer side wall of the protective sleeve (3) is uniformly provided with a plurality of arc grooves (31), and the space between the arc grooves (31) is 0.3mm-0.4mm; the arc groove (31) is filled with silicon fiber materials.

2. The novel lapped copper flat wire according to claim 1, wherein: a composite layer (41) is wound outside the muscovite powder layer (4), and the composite layer consists of staggered inner polyimide paint film layers and hot melt adhesive; the inner wall of the outer protective sleeve (5) is provided with a groove (51) corresponding to the position of the composite layer (41).