CN216212427U - High heat-resistant enameled wire - Google Patents
High heat-resistant enameled wire Download PDFInfo
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- CN216212427U CN216212427U CN202122469390.5U CN202122469390U CN216212427U CN 216212427 U CN216212427 U CN 216212427U CN 202122469390 U CN202122469390 U CN 202122469390U CN 216212427 U CN216212427 U CN 216212427U
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- copper core
- enameled wire
- outer copper
- insulating layer
- high heat
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Abstract
The utility model discloses a high-heat-resistance enameled wire which comprises an inner copper core wire (1), wherein a plurality of outer copper core wires (2) are uniformly arranged on the periphery of the inner copper core wire (1), a plurality of convex edges (21) are arranged on the surface of each outer copper core wire (2), a first insulating layer (3) covering all the outer copper core wires (2) is arranged outside each outer copper core wire (2), a plurality of anti-tearing fibers (4) are uniformly arranged on the periphery of each first insulating layer (3), a plurality of annular grooves (41) are formed in the surface of each anti-tearing fiber (4) along the length direction, and a second insulating layer (5) covering all the anti-tearing fibers (4) is arranged outside each anti-tearing fiber (4). The utility model has the characteristics of strong heat resistance and good flexibility.
Description
Technical Field
The utility model relates to an enameled wire, in particular to a high-heat-resistance enameled wire.
Background
The enameled wire is a main variety of winding wires and consists of a conductor and an insulating layer, and a bare wire is annealed and softened and then is subjected to painting and baking for multiple times. The enameled wire is very extensive in the application in the electrician field, and the during operation conducts electricity through the conductive core, plays insulating effect through the insulating layer simultaneously, improves the security of enameled wire when using. However, the enameled wire generates a large amount of heat during use, and is easily burned out by overheating particularly when applied to a case where a current is large and a voltage is large, and has a problem that a new heat-resistant property is not satisfactory and a service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-heat-resistance enameled wire. The utility model has the characteristics of strong heat resistance and good flexibility.
The technical scheme of the utility model is as follows: high heat-resisting enameled wire, including interior copper core, the periphery of interior copper core evenly is equipped with a plurality of outer copper core, and the surface of outer copper core is equipped with a plurality of beads, and the outside of outer copper core is equipped with the first insulation layer of all outer copper core of cladding, and the periphery on first insulation layer evenly is equipped with a plurality of anti fibre of tearing, and the fibrous surface of tearing is equipped with a plurality of annular grooves along length direction, and the fibrous outside of tearing is equipped with the fibrous second insulating layer of all anti fibre of cladding.
In the high heat-resistant enameled wire, the annular groove is of a shape with a large opening and a small bottom.
In the aforementioned high heat-resistant enameled wire, the diameter of the outer copper core wire is smaller than the diameter of the inner copper core wire.
In the aforementioned high heat-resistant enameled wire, the tear-resistant fiber has a diameter smaller than that of the outer copper core wire.
In the high heat-resistant enameled wire, the first insulating layer is made of polyester imide paint; the second insulating layer is made of polyamide-imide paint.
Compared with the prior art, the utility model adopts a mode of combining a plurality of inner copper core wires and outer copper core wires, increases the electric conduction and heat conduction areas, improves the heat resistance and the strength of the enameled wire, and the surface of the outer copper core wires is provided with the convex edges, increases the friction force between the outer copper core wires and between the inner copper core wires and the outer copper core wires, and enhances the bonding strength between the copper core wires; the polyester imide paint and the polyamide imide paint are respectively used as a first insulating layer and a second insulating layer, so that the enameled wire has higher temperature resistance level and better adhesive force, and tear-resistant fibers are arranged between the first insulating layer and the second insulating layer, so that the flexibility is improved, the possibility of paint film cracking after the enameled wire is stressed is reduced, and the bonding strength and the structural stability of the paint layers are also improved; the surface of the tear-resistant fiber is provided with the annular groove, so that the bending performance and the deformation performance of the enameled wire are improved.
Therefore, the utility model has the characteristics of strong heat resistance and good flexibility.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an outer copper core wire;
FIG. 3 is a schematic representation of the structure of a tear resistant fiber.
The labels in the figures are: 1. an inner copper core wire; 2. an outer copper core wire; 21. a rib; 3. a first insulating layer; 4. a tear resistant fiber; 41. an annular groove; 5. a second insulating layer.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Example (b):
as shown in fig. 1-3, the high heat-resistant enameled wire includes an inner copper core wire 1, a plurality of outer copper core wires 2 are uniformly disposed around the inner copper core wire 1, a plurality of ribs 21 are disposed on the surface of the outer copper core wires 2, a first insulating layer 3 covering all the outer copper core wires 2 is disposed outside the outer copper core wires 2, a plurality of tear-resistant fibers 4 are uniformly disposed around the first insulating layer 3, a plurality of annular grooves 41 are disposed on the surface of the tear-resistant fibers 4 along the length direction, and a second insulating layer 5 covering all the tear-resistant fibers 4 is disposed outside the tear-resistant fibers 4.
The annular groove 41 has a large opening and a small bottom. The diameter of the outer copper core wire 2 is smaller than that of the inner copper core wire 1. The tear resistant fibers 4 have a diameter smaller than the diameter of the outer copper core 2. The first insulating layer 3 is made of polyester imide paint; the second insulating layer 5 is made of polyamide-imide paint.
The working principle is as follows: the electric conduction and heat conduction area of the enameled wire is increased by combining a plurality of inner copper core wires 1 and outer copper core wires 2, the heat resistance and the strength of the enameled wire are improved, and the surfaces of the outer copper core wires 2 are provided with the convex edges 21, so that the friction force between the outer copper core wires 2 and between the inner copper core wires 1 and the outer copper core wires 2 is increased, and the bonding strength between the copper core wires is enhanced; the polyester imide paint and the polyamide imide paint are respectively used as the first insulating layer 3 and the second insulating layer 5, so that the enameled wire has higher temperature resistance level and better adhesive force, the tear-resistant fiber 4 is arranged between the first insulating layer 3 and the second insulating layer 5, the flexibility of the enameled wire is improved, the possibility of paint film cracking after the enameled wire is stressed is reduced, and the bonding strength and the structural stability of the paint layers are also improved; the annular groove 41 is formed in the surface of the tear-resistant fiber 4, so that on one hand, a heat dissipation effect is achieved, and on the other hand, the bending performance and the deformation performance of the enameled wire are improved.
The present invention is not described in detail in the prior art and is not specifically described herein.
Claims (5)
1. High heat-resisting enameled wire, its characterized in that: including interior copper core (1), the periphery of interior copper core (1) evenly is equipped with a plurality of outer copper core (2), the surface of outer copper core (2) is equipped with a plurality of beads (21), the outside of outer copper core (2) is equipped with first insulation layer (3) of all outer copper core (2) of cladding, the periphery of first insulation layer (3) evenly is equipped with a plurality of anti fibre of tearing (4), the surface of anti fibre of tearing (4) is equipped with a plurality of annular groove (41) along length direction, the outside of anti fibre of tearing (4) is equipped with second insulation layer (5) of all anti fibre of tearing of cladding (4).
2. The high heat-resistant enameled wire according to claim 1, wherein: the annular groove (41) is large in opening and small in bottom.
3. The high heat-resistant enameled wire according to claim 1, wherein: the diameter of the outer copper core wire (2) is smaller than that of the inner copper core wire (1).
4. The high heat-resistant enameled wire according to claim 1, wherein: the diameter of the tear-resistant fiber (4) is smaller than that of the outer copper core wire (2).
5. The high heat-resistant enameled wire according to claim 1, wherein: the first insulating layer (3) adopts polyester-imide paint; the second insulating layer (5) is made of polyamide-imide paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469390.5U CN216212427U (en) | 2021-10-13 | 2021-10-13 | High heat-resistant enameled wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469390.5U CN216212427U (en) | 2021-10-13 | 2021-10-13 | High heat-resistant enameled wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212427U true CN216212427U (en) | 2022-04-05 |
Family
ID=80866027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122469390.5U Active CN216212427U (en) | 2021-10-13 | 2021-10-13 | High heat-resistant enameled wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212427U (en) |
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2021
- 2021-10-13 CN CN202122469390.5U patent/CN216212427U/en active Active
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