CN215118387U

CN215118387U - High-frequency integrally-formed enameled copper wire

Info

Publication number: CN215118387U
Application number: CN202121292422.2U
Authority: CN
Inventors: 顾正韡; 沈兴良; 张华高; 金新根; 施旭峰; 顾永明
Original assignee: Huzhou Grandwall Shaped Wire Co ltd
Current assignee: Huzhou Grandwall Shaped Wire Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-10
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a high frequency is enameled copper line for integrated into one piece, include the sandwich layer that constitutes by a plurality of copper cores (1), be equipped with division bar (2) that are used for keeping apart copper core (1) between adjacent copper core (1), the outside cladding of sandwich layer has interior division layer (3), the outside of interior division layer (3) is equipped with outer isolation layer (4), it has the toroidal cavity to reserve between interior division layer (3) and outer isolation layer (4), be equipped with a plurality of integrated into one piece's resistant briquetting (51) and boss (52) along circumference in the toroidal cavity, the both sides of boss (51) are equipped with dashpot (511), the both sides of boss (52) are equipped with support bar (521), form heat dissipation space (53) between boss (51) and boss (52). The utility model discloses under the basis that intensity is high, have that heat dispersion is good, withstand voltage resistant crooked characteristics.

Description

High-frequency integrally-formed enameled copper wire

Technical Field

The utility model relates to an enameled copper wire, especially high frequency is enameled copper wire for integrated into one piece.

Background

The enameled wire is an important accessory of electrical equipment and is composed of a conductor and a plurality of insulating layers coated on the conductor, and the bare wire is annealed and softened and then is subjected to painting and baking for multiple times. However, it is not easy to produce a product which meets both the standard requirements and the customer requirements, and it is influenced by the quality of raw materials, process parameters, production equipment, environment and other factors, so that the quality characteristics of various enameled wires are different, but the enameled wires have four properties of mechanical properties, chemical properties, electrical properties and thermal properties.

The traditional enameled wire generally comprises a copper wire body and a paint layer, and the enameled wire is low in strength and toughness and is easy to wear in the process of winding and dragging the enameled wire; in order to improve the strength of the enameled wire, a plurality of layers of insulating paint are coated outside the copper conductor body, so that the enameled wire is easy to radiate a large amount of heat generated during working, the phenomenon of overheating and burning is caused, the number of layers of the enameled wire is more, the bending resistance of the enameled wire is weakened, and the breakage of an external paint layer is easy to cause during bending.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency is enameled copper line for integrated into one piece. The utility model discloses under the basis that intensity is high, have that heat dispersion is good, withstand voltage resistant crooked characteristics.

The technical scheme of the utility model: high frequency is enameled copper line for integrated into one piece, include the sandwich layer that comprises a plurality of copper cores, be equipped with the parting strip that is used for keeping apart the copper core between the adjacent copper core, the outside cladding of sandwich layer has interior isolation layer, the outside of interior isolation layer is equipped with outer isolation layer, it has toroidal cavity to reserve between interior isolation layer and the outer isolation layer, be equipped with a plurality of integrated into one piece's resistant briquetting and boss along circumference in the toroidal cavity, the both sides of resistant briquetting are equipped with the dashpot, the both sides of boss are equipped with the support bar, form the heat dissipation space between resistant briquetting and the boss.

In the aforementioned high frequency integrated into one piece is with enameled copper wire, the copper core includes the copper wire conductor, and the outside cladding of copper wire conductor has the polyimide layer.

In the enameled copper wire for high-frequency integrated molding, the surface of the isolating strip is provided with a plurality of radially distributed heat dissipation grooves.

In the enameled copper wire for high-frequency integrated molding, the cross section of the pressure-resistant block is in an I shape, the cross section of the reinforcing block is in a cross shape, and the pressure-resistant block and the reinforcing block are distributed in a staggered manner and are respectively attached to the inner isolation layer and the outer isolation layer.

In the enameled copper wire for high-frequency integrated molding, a plurality of annular connecting strips for connecting the pressure-resistant block and the reinforcing block are further arranged between the outer isolation layer and the inner isolation layer.

In the enameled copper wire for high-frequency integrated molding, the outer isolation layer is a polyester imide layer, and the inner isolation layer is a polyamide imide layer.

Compared with the prior art, the utility model utilizes the isolating bars to isolate the copper cores inside, thereby improving the internal strength and the protection effect on the copper cores; the heat generated when the copper core works is dispersed, so that the phenomenon of local overheating of the core layer caused by heat accumulation is avoided; the combination of the pressure-resistant blocks and the reinforcing blocks jointly form the protection and heat dissipation effects on the core layer, so that the wear resistance and heat dissipation performance are improved, and the phenomenon that the core layer is exposed due to wear is reduced; the arranged pressure-resistant block plays a role in enabling the enameled copper wire to have good compression resistance and bending resistance; the arranged reinforcing block improves the strength and tensile property of the enameled copper wire, and the connecting strip is used for connecting the pressure-resistant block and the reinforcing block, so that the stability of the integral structure of the enameled copper wire is better; the enameled copper wire has good fireproof, waterproof, heat-resistant and mechanical properties through the heavy isolation protection effect of the outer isolation layer, the inner isolation layer and the polyimide layer.

Therefore, the utility model discloses under the basis that intensity is high, have that heat dispersion is good, withstand voltage resistant crooked characteristics.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a separator.

The labels in the figures are: 1. a copper core; 11. a copper wire conductor; 12. a polyimide layer; 2. a spacer bar; 21. a heat sink; 3. an inner barrier layer; 4. an outer isolation layer; 51. pressure resistant blocks; 511. a buffer tank; 52. a reinforcing block; 521. a supporting strip; 53. a heat dissipation void; 54. and (4) connecting strips.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b):

as shown in fig. 1-2, the enameled copper wire for high-frequency integrated molding comprises a core layer formed by a plurality of copper cores 1, wherein each copper core 1 comprises a copper wire conductor 11, and a polyimide layer 12 is coated outside each copper wire conductor 11. Be equipped with the parting strip 2 that is used for keeping apart copper core 1 between adjacent copper core 1, the surface of parting strip 2 is equipped with a plurality of radially distributed's radiating groove 21. The isolating bars 2 are used for isolating the internal copper cores 1 from each other, so that the internal strength is improved, the protection effect on the copper cores 1 is enhanced, and the interference and impact of the outside on the copper cores 1 are reduced; and the heat generated by the copper core 1 during operation is insulated and dispersed, and is dissipated through the heat dissipation grooves 21, so that the heat dissipation performance is improved, and the phenomenon of local overheating of the core layer caused by heat accumulation is avoided.

The outside cladding of sandwich layer has interior isolation layer 3, and the outside of interior isolation layer 3 is equipped with outer isolation layer 4, outer isolation layer 4 is the polyester imide layer, and interior isolation layer 3 is the polyamide imide layer. An annular cavity is reserved between the inner isolation layer 3 and the outer isolation layer 4, a plurality of integrally formed pressure-resistant blocks 51 and reinforcing blocks 52 are arranged in the annular cavity along the circumferential direction, the cross section of each pressure-resistant block 51 is I-shaped, the cross section of each reinforcing block 52 is cross-shaped, and the pressure-resistant blocks 51 and the reinforcing blocks 52 are distributed in a staggered mode and are respectively attached to the inner isolation layer 3 and the outer isolation layer 4; buffer grooves 511 are arranged on two sides of the pressure resistant block 51, supporting bars 521 are arranged on two sides of the reinforcing block 52, and a heat dissipation gap 53 is formed between the pressure resistant block 51 and the reinforcing block 52. A plurality of annular connecting strips 54 for connecting the pressure-resistant blocks 51 and the reinforcing blocks 52 are also arranged between the outer isolation layer 4 and the inner isolation layer 3.

The anti-pressing block 51 is utilized to enable the enameled copper wire to have good compression resistance and bending resistance, and the buffer grooves 511 on the two sides of the anti-pressing block 51 are utilized to provide an extrusion gap, so that the cracking phenomenon of the enameled copper wire coating is reduced; the reinforcing block 52 that sets up improves the intensity and the tensile strength of enameled copper line to utilize connecting strip 54 to connect withstand voltage piece 51 and reinforcing block 52, make enameled copper line overall structure stability better, connecting strip 54 can be aramid fiber or steel wire, intensity is high. And the combination of the pressure-resistant block 51 and the reinforcing block 52 also jointly plays a role in protecting and radiating the core layer, so that the wear resistance and the radiating performance are improved, and the phenomenon that the core layer is exposed due to wear is reduced.

By utilizing the heavy isolation effect of the outer isolation layer 4, the inner isolation layer 3 and the polyimide layer 12, the enameled copper wire has good fireproof, waterproof, heat-resistant and mechanical properties.

The details of the present invention are not described in the prior art, and therefore, are not specifically described herein.

Claims

1. High frequency is enameled copper line for integrated into one piece, its characterized in that: including the sandwich layer that constitutes by a plurality of copper cores (1), be equipped with division bar (2) that are used for keeping apart copper core (1) between adjacent copper core (1), the outside cladding of sandwich layer has interior separation layer (3), the outside of interior separation layer (3) is equipped with outer isolation layer (4), it has the toroidal cavity to reserve between interior separation layer (3) and outer isolation layer (4), be equipped with a plurality of integrated into one piece's resistant briquetting (51) and boss (52) along circumference in the toroidal cavity, the both sides of withstand voltage piece (51) are equipped with dashpot (511), the both sides of boss (52) are equipped with support bar (521), form heat dissipation space (53) between withstand voltage piece (51) and boss (52).

2. The enameled copper wire for high-frequency integrated molding according to claim 1, wherein: the copper core (1) comprises a copper wire conductor (11), and a polyimide layer (12) is coated outside the copper wire conductor (11).

3. The enameled copper wire for high-frequency integrated molding according to claim 1, wherein: the surface of the isolating bar (2) is provided with a plurality of radially distributed radiating grooves (21).

4. The enameled copper wire for high-frequency integrated molding according to claim 1, wherein: the cross section of the pressure resistant block (51) is I-shaped, the cross section of the reinforcing block (52) is cross-shaped, and the pressure resistant block (51) and the reinforcing block (52) are distributed in a staggered mode and are respectively attached to the inner isolation layer (3) and the outer isolation layer (4).

5. The enameled copper wire for high-frequency integrated molding according to claim 1, wherein: and a plurality of annular connecting strips (54) for connecting the pressure-resistant block (51) and the reinforcing block (52) are also arranged between the outer isolation layer (4) and the inner isolation layer (3).

6. The enameled copper wire for high-frequency integrated molding according to claim 1, wherein: the outer isolation layer (4) is a polyester imide layer, and the inner isolation layer (3) is a polyamide imide layer.