Conductor structure of electromagnetic wire with high heat resistance and ultrahigh conductivity

By covering the conductor core of the electromagnetic wire with a carbon layer, an insulation layer, and a flame-retardant ring, the problem of insufficient toughness of the electromagnetic wire is solved, and a high heat resistance and high conductivity electromagnetic wire structure is achieved, thus enhancing the performance of the electromagnetic wire.

CN224020502UActive Publication Date: 2026-03-20JIANGSU FENGGUANG ELECTROMAGNETIC WIRE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing electromagnetic wires lack sufficient toughness when bent, and their corona resistance and corrosion resistance need to be improved.

Method used

A carbon layer is covered on the conductor core, and an insulation layer, elastic ring, and flame-retardant ring are wrapped around it. Silicone rubber and epoxy resin shells are used in combination to enhance the toughness and heat resistance of the electromagnetic wire.

Benefits of technology

It significantly improves the bending toughness and heat resistance of the electromagnetic wire, while also enhancing its flame retardancy and compressive strength, thus extending its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model particularly relates to a conductor structure of an electromagnetic wire with high heat resistance and ultrahigh conductivity, which belongs to the technical field of electromagnetic wires and comprises a conductor inner core, the conductor inner core is formed by rectangular flat copper wires, a carbon layer used for improving the toughness of the electromagnetic wire is covered on the conductor inner core, and the carbon layer is formed by a carbon film. The carbon layer is fixedly bonded outside the conductor inner core through a hot pressing technology, the carbon layer is wrapped by the insulating layer, the elastic rings are arranged outside the insulating layer at equal intervals, and the flame-retardant ring pieces are arranged between the elastic rings and used for improving the heat dissipation effect of the electromagnetic wire. According to the electromagnetic wire, through the arrangement of the carbon layer covering the conductor inner core and the arrangement of the elastic ring, the toughness of the electromagnetic wire during bending is greatly improved, the practicability of the electromagnetic wire during use is enhanced, meanwhile, the flame retardance of the electromagnetic wire can be provided through the arranged flame-retardant ring piece, and the service life of the electromagnetic wire is prolonged. And the high temperature resistance of the electromagnetic wire can be improved through the single-sided glass cloth reinforced phlogopite tape.
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Description

Technical Field

[0001] This utility model specifically relates to a conductor structure for a high heat-resistant and ultra-high conductivity electromagnetic wire, belonging to the field of electromagnetic wire technology. Background Technology

[0002] Electromagnetic wire is an insulated wire used to manufacture coils or windings in electrical products. It is also called winding wire. Electromagnetic wire must meet various requirements in terms of use and manufacturing process.

[0003] A new type of corona-resistant and corrosion-resistant double-wire coated aluminum electromagnetic wire (publication number: CN221668537U) is disclosed, comprising a coil on which an electromagnetic wire body is wound. The electromagnetic wire body includes two flat conductors and a protective layer. The protective layer includes an insulation layer and a reinforcing layer, with the insulation layer comprising an inner insulation layer and an outer insulation layer. This invention constructs an electromagnetic wire by combining the coil and the electromagnetic wire body. Coating the surfaces of the two flat conductors with a polyester resin film increases their heat resistance and improves their conductivity. The protective layer protects the two flat conductors, extending the lifespan of the electromagnetic wire. The insulation layer improves the insulation performance of the electromagnetic wire, enhancing the reliability of inter-turn insulation in motors. The reinforcing layer increases the electromagnetic wire's corona resistance and corrosion resistance, further extending its lifespan.

[0004] While the existing equipment described above can increase the corona resistance and corrosion resistance of electromagnetic wires, the wires may be bent during use, thus requiring improved toughness. However, the aforementioned equipment falls short in improving the toughness of electromagnetic wires and therefore needs further improvement.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by providing a conductor structure for a high-heat-resistant, ultra-high-conductivity electromagnetic wire, thereby improving the toughness of the electromagnetic wire.

[0007] This utility model achieves the above-mentioned objective through the following technical solution: a conductor structure for a high heat-resistant and ultra-high conductivity electromagnetic wire, comprising a conductor core, a carbon layer for improving the toughness of the electromagnetic wire covering the conductor core, an insulating layer wrapped around the carbon layer, elastic rings evenly spaced outside the insulating layer, and flame-retardant rings between the elastic rings, the flame-retardant rings being used to improve the heat dissipation effect of the electromagnetic wire.

[0008] Furthermore, in order to transmit current and improve conductivity, the conductor core is composed of rectangular flat copper wire.

[0009] Further, in order to improve the toughness of the electromagnetic wire, the carbon layer is composed of a carbon film, which is fixedly bonded to the outside of the conductor inner core by a hot pressing process.

[0010] Further, in order to avoid leakage of the electromagnetic wire, the insulating layer is a polypropylene film, which is wrapped and bonded to the outside of the carbon layer.

[0011] Further, in order to improve the pressure resistance and toughness of the electromagnetic wire, the elastic ring is composed of silicone rubber material.

[0012] Further, in order to enhance the flame resistance of the electromagnetic wire, the flame-retardant ring member is composed of an epoxy resin shell and a flame retardant, which is filled in the epoxy resin shell.

[0013] Further, in order to enhance the body heat resistance of the electromagnetic wire, the outside of the elastic ring is wrapped with a single-sided glass cloth reinforced mica tape.

[0014] Further, in order to improve the gloss of the electromagnetic wire, the single-sided glass cloth reinforced mica tape is coated with electrostatic powder coating.

[0015] The electromagnetic wire of the utility model greatly improves the toughness of the electromagnetic wire when bending, enhances the practicability of the electromagnetic wire when using, and provides the flame resistance of the electromagnetic wire through the setting of the flame-retardant ring member, and improves the high temperature resistance of the electromagnetic wire through the single-sided glass cloth reinforced mica tape. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the distribution position structure schematic view of the utility model;

[0017] Figure 2 It is the explosion view of the utility model;

[0018] Figure 3 It is the distribution position schematic view of the elastic ring and the flame-retardant ring member of the utility model;

[0019] Figure 4 It is the structure schematic view of the flame-retardant ring member of the utility model.

[0020] In the drawing: 1, conductor inner core; 2, carbon layer; 3, insulating layer; 4, elastic ring; 5, flame-retardant ring member; 501, epoxy resin shell; 502, flame retardant; 6, single-sided glass cloth reinforced mica tape; 7, electrostatic powder coating. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0022] Please refer to Figures 1-4 As shown in the figure, a kind of conductor structure of high heat-resistant super-high conductivity magnet wire, including conductor inner core 1, conductor inner core 1 is constituted by rectangular flat copper wire, conductor inner core 1 is covered with carbon layer 2 for improving the toughness of magnet wire, carbon layer 2 is wound and packed with insulating layer 3 outside, the outside of insulating layer 3 is provided with elastic ring 4 at equal intervals, flame-retardant ring 5 is arranged between elastic ring 4, flame-retardant ring 5 is used to improve the heat dissipation effect of magnet wire.

[0023] As Figure 1 Shown, carbon layer 2 is constituted by carbon film, carbon layer 2 is fixedly bonded outside conductor inner core 1 by hot-pressing process, it needs to be noted that the setting of carbon film is more strict, first, first, need to clean the surface of rectangular flat copper wire thoroughly, remove dirt, oxide and other impurities, to ensure that carbon layer 2 can be attached well, can be roughened by mechanical, chemical or electrochemical method, increase the surface area, so as to improve the adhesion of carbon layer 2, according to the need, carbon film is processed into appropriate shape and size, so as to wrap carbon layer 2 on copper wire by hot-pressing mode, then appearance inspection is carried out on wrapped carbon layer 2, to ensure that there is no defect, no bubble, no falling off etc.

[0024] As Figure 1 Shown, insulating layer 3 is polypropylene film, insulating layer 3 is wound and bonded outside carbon layer 2, it needs to be noted that polypropylene film has the characteristics of thin, light, good insulating property, when setting insulating layer 3, carbon layer 2 needs to be cleaned and roughened to improve the adhesion of insulating layer 3, then insulating film is wound on carbon layer 2, then insulating layer 3 is tightly combined with carbon layer 2 by hot-pressing and processing.

[0025] As Figure 1 Shown, elastic ring 4 is constituted by silicone rubber material, it needs to be noted that silicone rubber is a kind of high-grade elastic material, which has good temperature resistance and chemical resistance, it can maintain stable performance under high temperature, low temperature and chemical corrosion and other high requirement environment, and then the toughness of magnet wire itself can be improved by the design of silicone rubber.

[0026] As Figure 4As shown, the flame-retardant ring 5 is composed of an epoxy resin shell 501 and a flame retardant 502, the flame retardant 502 is filled in the epoxy resin shell 501, so as to improve the flame retardance of the electromagnetic wire when the electromagnetic wire appears spark, at this time through the epoxy resin shell 501 and the flame retardant 502.

[0027] As shown in the drawings, the outer part of the elastic ring 4 is wrapped with a single-sided glass cloth reinforced mica tape 6, it should be noted that the single-sided glass cloth reinforced mica tape 6 uses mica paper as the base material, and glass fiber cloth as the reinforcing material, and is bonded with silicone resin adhesive, and then is subjected to high temperature baking, drying, cutting and other steps, which can make the electromagnetic wire have the characteristics of high temperature resistance. Figure 1

[0028] As shown in the drawings, the single-sided glass cloth reinforced mica tape 6 is coated with electrostatic powder coating 7, it should be noted that the electrostatic powder coating 7 can form a dense coating, which can effectively prevent the base material from being corroded, oxidized and worn, thereby prolonging the service life of the object, and the coating has the characteristics of good waterproofness, moisture resistance, ultraviolet resistance and chemical corrosion resistance, and can effectively protect the surface of the metal product. Figure 1

[0029] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.​​

Claims

1. A conductor structure for a high heat-resistant, ultra-high conductivity electromagnetic wire, comprising a conductor core (1), characterized in that: The conductor core (1) is covered with a carbon layer (2) for improving the toughness of the electromagnetic wire. An insulating layer (3) is wrapped around the carbon layer (2). Elastic rings (4) are arranged at equal intervals on the outside of the insulating layer (3). Flame-retardant rings (5) are arranged between the elastic rings (4). The flame-retardant rings (5) are used to improve the heat dissipation effect of the electromagnetic wire.

2. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 1, characterized in that: The conductor core (1) is composed of rectangular flat copper wire.

3. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 2, characterized in that: The carbon layer (2) is composed of a carbon film and is fixedly bonded to the outside of the conductor core (1) by hot pressing.

4. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 1, characterized in that: The insulating layer (3) is a polypropylene film, and the insulating layer (3) is wrapped and bonded to the outside of the carbon layer (2).

5. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 1, characterized in that: The elastic ring (4) is made of silicone rubber.

6. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 5, characterized in that: The flame-retardant ring (5) is composed of an epoxy resin shell (501) and a flame retardant (502), and the flame retardant (502) is filled inside the epoxy resin shell (501).

7. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 1, characterized in that: The elastic ring (4) is wrapped with a single-sided glass cloth reinforced phlogopite mica tape (6).

8. The conductor structure of the high heat-resistant, ultra-high conductivity electromagnetic wire as described in claim 7, characterized in that: The single-sided glass cloth reinforcing mica tape (6) is coated with electrostatic powder coating (7).

Citation Information

Patent Citations

  • Corona-resistant corrosion-resistant double-wire film-coated aluminum electromagnetic wire

    CN221668537U