CN211957145U

CN211957145U - Polyester-imide composite enameled rectangular copper wire

Info

Publication number: CN211957145U
Application number: CN202020381794.1U
Authority: CN
Inventors: 董志勇
Original assignee: Guangdong Maimi Electrical Technology Co ltd
Current assignee: Guangdong Maimi Electrical Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-17
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a polyester imide composite enameled flat copper wire, including flat copper wire, the outside of flat copper wire is priming paint layer and polyester imide paint layer in proper order, the priming paint layer is polyurethane paint layer, the outer parcel of polyester imide paint layer has a layer polyethylene layer, the outer parcel of polyethylene layer has a layer polyamide imide film, the outer parcel of polyamide imide film has the tensile layer; the carbon fiber silk threads are arranged in the tensile layer along the length direction of the flat copper wire and are provided with a plurality of strands; the carbon fiber silk threads are arranged in the tensile layer along the length direction of the flat copper wire, and a plurality of strands of carbon fiber silk threads are uniformly arranged along the circumferential direction of the tensile layer respectively; the utility model discloses for current polyester imine composite enamel-cover copper flat wire, improved intensity, water proofness, wearability, alkali resistance, heat-resisting deformability and pull resistance, improved application scope.

Description

Polyester-imide composite enameled rectangular copper wire

Technical Field

The utility model relates to an enameled rectangular copper wire field specifically is a compound enameled rectangular copper wire of polyester-imide.

Background

Polyester paint has good adhesion to copper wires, elasticity, scratch resistance, voltage resistance and solvent resistance, but has poor thermal shock performance, polyester imide paint is enameled wire paint obtained by introducing imide groups on the basis of polyester paint, has good thermal performance, but has poor adhesion to copper wires, the polyester paint is used in a composite mode, the polyester paint is used as primer, the polyester paint is directly coated on the copper wires, the polyester imide paint is coated on the outer layer of the copper wires, the polyester paint on the inner layer is protected through the heat resistance of the polyester imide paint, and polyester imide composite enameled flat copper wires with excellent performance can be obtained, but the polyester imide paint has the defect of poor water resistance, so that the use of the polyester imide composite enameled flat copper wires is still greatly limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound enameled rectangular copper wire of polyester-imide to solve the problem that proposes among the above-mentioned background art.

The utility model discloses a realize like this: the utility model provides a compound enameled rectangular copper wire of polyester-imide, includes the rectangular copper wire, the outside of rectangular copper wire is priming paint layer and polyester-imide paint layer in proper order, the priming paint layer is polyurethane paint layer, the outer parcel of polyester-imide paint layer has one deck polyethylene layer, the outer parcel of polyethylene layer has one deck polyamide-imide film, the outer parcel of polyamide-imide film has the tensile layer.

Furthermore, the tensile layer is a glass fiber layer, and the thickness of the glass fiber layer is 0.03-0.04 mm.

Furthermore, a carbon fiber silk thread is arranged in the tensile layer, the carbon fiber silk thread is arranged along the length direction of the flat copper wire, and a plurality of strands are arranged on the carbon fiber silk thread and are symmetrically arranged above and below the flat copper wire respectively.

Furthermore, a carbon fiber silk thread is arranged in the tensile layer and arranged along the length direction of the flat copper wire, and a plurality of strands are arranged on the carbon fiber silk thread and evenly arranged along the circumferential direction of the tensile layer respectively.

Further, the polyester imide is 180-grade polyester imide or 200-grade polyester imide.

Further, the thickness of the primer layer is 0.05-0.06mm, the thickness of the polyester imide paint layer is 0.018-0.020mm, the thickness of the polyethylene layer is 0.02-0.03mm, and the thickness of the polyamide imide film is 0.035-0.040 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses for current polyester imine composite enamel-cover copper flat wire, improved intensity, water proofness, wearability, alkali resistance, heat-resisting deformability and pull resistance, improved application scope.

2. The tensile layer is the glass fiber layer, and the setting on glass fiber layer has except having improved the utility model discloses a tensile is outside, has still effectively improved the utility model discloses an insulating nature and mechanical strength.

3. Be provided with the carbon fiber silk thread in the tensile layer, the carbon fiber silk thread sets up along the length direction of flat type copper line, and glass fiber low price is though improving in certain the utility model discloses a tensile resistance, but promote not obvious, the carbon fiber is high in price, but tensile strength is very good, through set up stranded carbon fiber silk thread in the glass fiber layer for the not big basis of cost increase has improved greatly the utility model discloses a tensile resistance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a polyester-imide composite enameled rectangular copper wire according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a flat polyester-imide composite enameled wire according to a second embodiment of the present invention;

fig. 3 is a schematic structural view of a polyester-imide composite enameled rectangular copper wire according to the third embodiment of the present invention.

In the figure: 1. flat copper wire; 2. a primer layer; 3. a polyester imide paint layer; 4. a polyethylene layer; 5. a polyamide-imide film; 6. a tensile layer; 7. carbon fiber filaments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, in the present embodiment, a flat copper wire covered with polyester-imide composite paint includes a flat copper wire 1, a primer layer 2 and a polyester-imide paint layer 3 are sequentially disposed on an outer side of the flat copper wire 1, the primer layer 2 is a polyurethane paint layer, a polyethylene layer 4 is wrapped outside the polyester-imide paint layer 3, a polyamide-imide film 5 is wrapped outside the polyethylene layer 4, and a tensile layer 6 is wrapped outside the polyamide-imide film 5. The tensile layer 6 is a glass fiber layer, and the thickness of the glass fiber layer is 0.03-0.04 mm.

The utility model discloses a theory of operation: the primer adopts polyurethane paint, which has the advantage of strong adhesive force with polyester paint and is suitable for being used as the primer layer 2, but the primer has the advantage of automatic tin feeding in molten tin without scraping paint, is particularly suitable for the use of telecommunication equipment and instruments, and improves the application range of the utility model; because the polyester imide paint has poor water resistance, the polyester imide paint is wrapped by the polyethylene layer 4, so that external water vapor can be effectively isolated, and the polyester imide paint layer 3 can be effectively prevented from being damaged when the polyester imide paint is used in a humid environment, so that the polyester imide paint is suitable for being used in the humid environment, and the application range of the polyester imide paint is improved; the polyethylene layer 4 is not wear-resistant, in order to protect the polyethylene layer, the outer side of the polyethylene layer is wrapped by a polyamide-imide film 5, the polyamide-imide has good wear resistance, and the polyethylene layer 4 can be effectively protected, so that the polyethylene layer 4 is not easy to be worn out, and the polyamide-imide has high strength, good alkali resistance and high thermal deformation temperature, thereby improving the strength of the utility model, ensuring that the utility model is suitable for being used in high-temperature and alkaline environments, and improving the application range of the utility model; wrap up one deck tensile layer 6 again in polyamideimide film 5's the outside, improved the utility model discloses a tensile nature makes the utility model is suitable for an in can receiving great tensile force's environment, further improved the utility model discloses an application scope.

Compared with the prior art, the utility model discloses for current compound enameled copper flat wire of polyester imine, improved intensity, water proofness, wearability, alkali resistance, thermal deformation resistance and pull resistance, improved application scope.

Example two:

referring to fig. 2, in the present embodiment, a flat copper wire covered with polyester-imide composite paint includes a flat copper wire 1, a primer layer 2 and a polyester-imide paint layer 3 are sequentially disposed on an outer side of the flat copper wire 1, the polyester-imide is 180-grade polyester-imide, the primer layer 2 is a polyurethane paint layer, the primer layer 2 is 0.05mm thick, the polyester-imide paint layer 3 is 0.018mm thick, the polyester-imide paint layer 3 is wrapped with a polyethylene layer 4, the polyethylene layer 4 is 0.02mm thick, the polyethylene layer 4 is wrapped with a polyamide-imide film 5, the polyamide-imide film 5 is 0.035mm thick, and the polyamide-imide film 5 is wrapped with a tensile layer 6. The tensile layer 6 is a glass fiber layer, the thickness of the glass fiber layer is 0.03mm, and the arrangement of the glass fiber layer not only improves the tensile property of the utility model, but also effectively improves the insulation property and the mechanical strength of the utility model; the carbon fiber silk threads 7 are arranged in the tensile layer 6, the carbon fiber silk threads 7 are arranged along the length direction of the flat copper wire 1, and a plurality of strands of the carbon fiber silk threads 7 are symmetrically arranged above and below the flat copper wire 1 respectively; glass fiber low price, though improved in a definite sense the utility model discloses a pull resistance, but promote not obvious, the carbon fiber price is high, but tensile strength is very good, through set up stranded carbon fiber silk thread 7 in the glass fiber layer for the cost increase has improved greatly on the little basis the utility model discloses a pull resistance.

Example three:

referring to fig. 3, in the present embodiment, a polyester imide composite enameled flat copper wire includes a flat copper wire 1, a primer layer 2 and a polyester imide paint layer 3 are sequentially disposed on an outer side of the flat copper wire 1, the polyester imide is 200-grade polyester imide, the primer layer 2 is a polyurethane paint layer, a thickness of the primer layer 2 is 0.06mm, a thickness of the polyester imide paint layer 3 is 0.020mm, a polyethylene layer 4 is wrapped outside the polyester imide paint layer 3, a thickness of the polyethylene layer 4 is 0.03mm, a polyamide imide film 5 is wrapped outside the polyethylene layer 4, a thickness of the polyamide imide film 5 is 0.040mm, and a tensile layer 6 is wrapped outside the polyamide imide film 5. The tensile layer 6 is a glass fiber layer, the thickness of the glass fiber layer is 0.04mm, and the arrangement of the glass fiber layer not only improves the tensile property of the utility model, but also effectively improves the insulation property and the mechanical strength of the utility model; the carbon fiber silk threads 7 are arranged in the tensile layer 6, the carbon fiber silk threads 7 are arranged along the length direction of the flat copper wire 1, and a plurality of strands of the carbon fiber silk threads 7 are uniformly arranged along the circumferential direction of the tensile layer 6 respectively; glass fiber low price, though improved in a definite sense the utility model discloses a pull resistance, but promote not obvious, the carbon fiber price is high, but tensile strength is very good, through set up stranded carbon fiber silk thread 7 in the glass fiber layer for the cost increase has improved greatly on the little basis the utility model discloses a pull resistance.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. The utility model provides a compound enameled rectangular copper wire of polyester-imide, includes rectangular copper wire (1), the outside of rectangular copper wire (1) is priming paint layer (2) and polyester-imide paint layer (3) in proper order, a serial communication port, priming paint layer (2) are polyurethane paint layer, the outer parcel of polyester-imide paint layer (3) has one deck polyethylene layer (4), the outer parcel of polyethylene layer (4) has one deck polyamide-imide film (5), the outer parcel of polyamide-imide film (5) has tensile layer (6).

2. The polyesterimide composite enameled rectangular copper wire as claimed in claim 1, wherein the tensile layer (6) is a glass fiber layer, and the thickness of the glass fiber layer is 0.03-0.04 mm.

3. The polyesterimide composite enameled rectangular copper wire is characterized in that a carbon fiber silk thread (7) is arranged in the tensile layer (6), the carbon fiber silk thread (7) is arranged along the length direction of the rectangular copper wire (1), and a plurality of strands of the carbon fiber silk thread (7) are symmetrically arranged above and below the rectangular copper wire (1).

4. The polyesterimide composite enameled rectangular copper wire is characterized in that a carbon fiber thread (7) is arranged in the tensile layer (6), the carbon fiber thread (7) is arranged along the length direction of the rectangular copper wire (1), and a plurality of strands are arranged on the carbon fiber thread (7) and are uniformly arranged along the circumferential direction of the tensile layer (6).

5. The polyesterimide composite enameled rectangular copper wire as claimed in any one of claims 1 to 4, wherein the polyesterimide is 180-grade polyesterimide or 200-grade polyesterimide.

6. The polyesterimide composite enameled rectangular copper wire according to claim 5, wherein the thickness of the primer layer (2) is 0.05-0.06mm, the thickness of the polyesterimide paint layer (3) is 0.018-0.020mm, the thickness of the polyethylene layer (4) is 0.02-0.03mm, and the thickness of the polyamideimide film (5) is 0.035-0.040 mm.