High-temperature-resistant enameled wire
By opening multiple annular buffer grooves on the inner wall of the outer cover layer of the enameled wire and adopting a multi-layer wrapping structure, the problem of the insulating sleeve deformation and working in high-temperature environments during bending is solved, and better insulation performance and tensile strength are achieved.
Patent Information
- Application Number
- CN202421801314.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-29
AI Technical Summary
When existing enameled wires are bent, the insulating sleeve is prone to wrinkle deformation or cracking, which affects the insulation performance and is difficult to work normally in high temperature environments.
A high-temperature resistant enameled wire is designed. The conductor is wrapped by the inner core, insulating layer, shielding layer, heat insulation layer, reinforcement layer and waterproof layer. The outer protective layer is made of insulating rubber material, and multiple annular buffer grooves are opened on its inner wall.
Through the design of the buffer groove, the wrinkle deformation and cracking of the outer cover when bending is avoided, ensuring the insulation performance and overall tensile strength of the enameled wire, while maintaining normal operation in high temperature environments.
Smart Images
Figure CN222851149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of enameled wires, in particular to a high temperature resistant enameled wire. Background Art
[0002] Enameled wire is the main raw material for products such as motors, electrical appliances and household appliances. In particular, the electric power industry has achieved sustained and rapid growth in recent years. The rapid development of household appliances has brought a wider range of applications for enameled wire, and with it, higher requirements for enameled wire.
[0003] The enameled wire is usually composed of a conductor and an insulating sleeve wrapped around the conductor. However, the existing insulating sleeves are all solid and wrapped around the outer surface of the conductor. This structural design makes it easy for the insulating sleeve at the bending position of the enameled wire to wrinkle and deform when it is bent. Therefore, a high temperature resistant enameled wire is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a high temperature resistant enameled wire to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature resistant enameled wire, comprising an outer sheath and a conductor, wherein the conductor is wrapped in layers from the inside to the outside by an inner core, an insulating layer, a shielding layer, a heat-insulating layer, a reinforcement layer and a waterproof layer, wherein the outer sheath is wrapped around the outer surface of the conductor, and a plurality of buffer grooves are provided on the inner wall of the outer sheath, wherein the buffer grooves are annular structures, and the plurality of buffer grooves are evenly spaced along the axial direction of the outer sheath.
[0006] As a further preferred embodiment of the present technical solution, the outer protective layer is made of insulating rubber material.
[0007] As a further preferred embodiment of the present technical solution, the insulating layer is formed by coating an insulating coating on the outer surface of the inner core, and the thickness of the insulating layer is 10-30 μm.
[0008] As a further preferred embodiment of the present technical solution, the shielding layer is wrapped by a mesh structure woven from copper wires.
[0009] As a further preferred embodiment of the present technical solution, the heat insulation layer is made of glass fiber.
[0010] As a further preferred embodiment of the present technical solution, the reinforcement layer is composed of a plurality of steel wires, and the plurality of steel wires are arranged in a ring-shaped array.
[0011] As a further preferred embodiment of the present technical solution, the waterproof layer is composed of an elastic tireless waterproof roll made of chloroprene rubber.
[0012] The utility model provides a high temperature resistant enameled wire, which has the following beneficial effects:
[0013] The utility model provides a plurality of buffer grooves on the inner wall of the outer sheath so that when the enameled wire is bent, the outer sheath at the bending position has sufficient buffer space, thereby avoiding the situation that the outer sheath is wrinkled, deformed or even cracked due to excessive stress at the bending position. The outer sheath is made of insulating rubber material, which can insulate the conductor inside it, and the insulating layer painted on the outer surface of the inner core can further insulate the inner core, thereby avoiding the insulation performance of the enameled wire being affected by the crack of the outer sheath. The provided heat insulation layer can isolate the inner core from damage caused by the outside world, thereby ensuring that the enameled wire can work normally in a high temperature environment. The provided reinforcement layer can improve the overall tensile strength of the enameled wire, thereby avoiding the enameled wire from breaking during the pulling process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the end structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the structure of the cross section of the utility model;
[0017] Figure 4 It is a schematic diagram of the structure of the outer protective layer in the utility model;
[0018] In the figure: 1. Outer sheath; 2. Conductor; 3. Inner core; 4. Insulation layer; 5. Shielding layer; 6. Thermal insulation layer; 7. Reinforcement layer; 8. Waterproof layer; 9. Buffer groove. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] The utility model provides a technical solution: Figures 1 to 4 As shown, in this embodiment, a high-temperature resistant enameled wire includes an outer sheath 1 and a conductor 2. The conductor 2 is wrapped by an inner core 3, an insulating layer 4, a shielding layer 5, a heat insulation layer 6, a reinforcement layer 7 and a waterproof layer 8 from the inside to the outside. The outer sheath 1 is wrapped around the outer surface of the conductor 2. A plurality of buffer grooves 9 are opened on the inner wall of the outer sheath 1. The buffer grooves 9 are annular structures, and the plurality of buffer grooves 9 are evenly spaced along the axial direction of the outer sheath 1.
[0021] The outer sheath 1 is made of insulating rubber material, which can isolate the conductor 2 inside it.
[0022] The insulating layer 4 is formed by applying insulating paint on the outer surface of the inner core 3, and the thickness of the insulating layer 4 is 10-30 μm. The inner core 3 can be further insulated by the provided insulating layer 4 to prevent the insulation performance of the enameled wire from being affected by the rupture of the outer sheath 1.
[0023] The shielding layer 5 is wrapped with a mesh structure woven from copper wires, which can prevent interference signals from entering the inner layer and interfering with the inner core 3, while reducing the loss of transmission signals.
[0024] The heat insulating layer 6 is made of glass fiber, and the heat insulating layer 6 can isolate the inner core 3 from damage caused by the outside world, thereby ensuring that the enameled wire can work normally in a high temperature environment.
[0025] The reinforcement layer 7 is composed of a plurality of steel wires, and the plurality of steel wires are arranged in a ring-shaped array.
[0026] By providing the reinforcement layer 7, the overall tensile strength of the enameled wire can be improved, thereby preventing the enameled wire from breaking during the pulling process.
[0027] The waterproof layer 8 is made of an elastic non-tire waterproof roll made of chloroprene rubber.
[0028] The utility model provides a high temperature resistant enameled wire, and the specific working principle is as follows:
[0029] By opening a plurality of buffer grooves 9 on the inner wall of the outer sheath 1, when the enameled wire is bent, the outer sheath 1 at the bending position has sufficient buffer space to avoid excessive stress at the bending position causing wrinkles, deformation or even rupture of the outer sheath 1. The outer sheath 1 is made of insulating rubber material, which can insulate the conductor 2 inside it, and the insulating layer 4 coated on the outer surface of the inner core 3 can further insulate the inner core 3 to avoid the insulation performance of the enameled wire being affected by the rupture of the outer sheath 1. The provided heat insulation layer 6 can isolate the inner core 3 from damage caused by the outside world, ensuring that the enameled wire can work normally in a high temperature environment. The provided reinforcement layer 7 can improve the overall tensile strength of the enameled wire to avoid the enameled wire from breaking during the pulling process.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high temperature resistant enameled wire, comprising an outer sheath (1) and a conductor (2), characterized in that: The conductor (2) is wrapped in layers from the inside to the outside, including an inner core (3), an insulating layer (4), a shielding layer (5), a heat insulating layer (6), a reinforcement layer (7) and a waterproof layer (8); the outer sheath (1) is wrapped around the outer surface of the conductor (2); a plurality of buffer grooves (9) are provided on the inner wall of the outer sheath (1); the buffer grooves (9) are annular in structure; and the plurality of buffer grooves (9) are distributed at equal intervals along the axial direction of the outer sheath (1).
2. The high temperature resistant enameled wire according to claim 1, characterized in that: The outer protective layer (1) is made of insulating rubber material.
3. The high temperature resistant enameled wire according to claim 1, characterized in that: The insulating layer (4) is formed by applying insulating paint on the outer surface of the inner core (3), and the thickness of the insulating layer (4) is 10-30 μm.
4. The high temperature resistant enameled wire according to claim 1, characterized in that: The shielding layer (5) is wrapped in a mesh structure woven from copper wires.
5. The high temperature resistant enameled wire according to claim 1, characterized in that: The heat insulation layer (6) is made of glass fiber.
6. The high temperature resistant enameled wire according to claim 1, characterized in that: The reinforcement layer (7) is composed of a plurality of steel wires, and the plurality of steel wires are arranged in a ring-shaped array.
7. The high temperature resistant enameled wire according to claim 1, characterized in that: The waterproof layer (8) is composed of an elastic tireless waterproof coiled material made of chloroprene rubber.