CN213583172U - Zero pinhole polyester imide enameled rectangular copper wire for driving motor - Google Patents
Zero pinhole polyester imide enameled rectangular copper wire for driving motor Download PDFInfo
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- CN213583172U CN213583172U CN202022696774.6U CN202022696774U CN213583172U CN 213583172 U CN213583172 U CN 213583172U CN 202022696774 U CN202022696774 U CN 202022696774U CN 213583172 U CN213583172 U CN 213583172U
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- polyester imide
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- enhancement layer
- flat wire
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a zero pinhole polyester imide enameled flat copper wire for driving motor, including copper flat wire (1), the surface of copper flat wire (1) is equipped with a plurality of axial recess (2), the left and right sides face of copper flat wire (1) all is equipped with first enhancement layer (3), first enhancement layer (3) are violently indulged by first glass fiber (31) and aramid fiber (32) and are interweaved and form, the outside of first enhancement layer (3) is equipped with first polyester imide paint layer (4), the upper and lower both sides face of copper flat wire (1) all is equipped with second enhancement layer (5), second enhancement layer (5) are violently indulged by second glass fiber (51) and heat conduction carbon fiber (52) and are interweaved and form, the outside of first polyester imide paint layer (4) and second enhancement layer (5) is equipped with second polyester imide paint layer (6). The utility model has the characteristics of stable in structure, tensile, resistance to compression, anti buckling and heat-sinking capability are good.
Description
Technical Field
The utility model relates to an enameled rectangular copper wire for motor, especially a zero pinhole polyester imide enameled rectangular copper wire for drive motor.
Background
At present, an enameled copper flat wire for a driving motor is difficult to wind into a motor coil due to the common toughness and softness of polyester imide paint, and is easy to damage a paint layer and drop the paint layer during wire embedding; on the other hand, because the temperature rises when the motor runs and the heat dissipation performance of the enameled wire is general, the paint film insulating material can be aged more quickly under a long-term high temperature, and the service life of the enameled wire is seriously shortened. Therefore, the conventional polyester-imide enameled rectangular copper wire for the driving motor has the problems of general toughness, softness and heat dissipation performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a zero pinhole polyester imide enameled rectangular copper wire for driving motor. The utility model has the characteristics of stable in structure, tensile, resistance to compression, anti buckling and heat-sinking capability are good.
The technical scheme of the utility model: zero pinhole polyester imide enameled flat copper wire for driving motor, including the copper flat wire, the surface of copper flat wire is equipped with a plurality of axial recesses, the left and right sides face of copper flat wire all is equipped with first enhancement layer, first enhancement layer is violently indulged by first glass fiber and aramid fiber and interweaves and forms, the outside of first enhancement layer is equipped with first polyester imide lacquer layer, the upper and lower both sides face of copper flat wire all is equipped with the second enhancement layer, the second enhancement layer is violently indulged by second glass fiber and heat conduction carbon fiber and interweaves and forms, the outside of first polyester imide lacquer layer and second enhancement layer is equipped with second polyester imide lacquer layer.
In the zero-pinhole polyester imide enameled rectangular copper wire for the driving motor, the upper side surface and the lower side surface of the rectangular copper wire are planes, and the left side surface and the right side surface of the rectangular copper wire are arc-shaped surfaces.
In the zero-pinhole polyester imide enameled rectangular copper wire for the driving motor, the outer surfaces of the first polyester imide paint layer and the second reinforcing layer are flush.
In the zero-pinhole polyester imide enameled rectangular copper wire for the driving motor, the caliber of the top surface of the groove is smaller than that of the bottom surface of the groove.
In the zero-pinhole polyester imide enameled rectangular copper wire for the driving motor, the first polyester imide paint layer and the second polyester imide paint layer are compact and have no pinholes.
Compared with the prior art, the utility model discloses utilize first enhancement layer and second enhancement layer to protect the outside of copper flat wire respectively, the first enhancement layer comprises first glass fiber and aramid fiber, and intensity is high, high temperature resistant and have higher toughness, improve tensile, resistance to compression, the anti-buckling ability of enameled wire; the second reinforcing layer is composed of second glass fibers and heat-conducting carbon fibers, so that the strength is improved, and the heat dissipation performance is improved; and double polyester imide paints are designed to protect the copper flat wire, so that better insulation protection performance is embodied, and the service life of the enameled wire is prolonged.
First enhancement layer and second enhancement layer can be fixed with the copper flat wire through the adhesive, set up the recess on the surface of copper flat wire for fibre on first enhancement layer and the second enhancement layer can be embedded into in the recess, improves the bonding strength between first enhancement layer and second enhancement layer and the copper flat wire, still further makes first enhancement layer and second enhancement layer and the connection between the copper flat wire more stable through the first polyester imide lacquer layer and the second polyester imide lacquer layer in the outside simultaneously.
Therefore, the utility model has the characteristics of stable in structure, tensile, resistance to compression, anti buckling and heat-sinking capability are good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the first reinforcing layer;
fig. 4 is a schematic structural view of the second reinforcing layer.
The labels in the figures are: 1. a copper flat wire; 2. a groove; 3. a first reinforcing layer; 31. a first glass fiber; 32. aramid fibers; 4. a first polyester imide paint layer; 5. a second reinforcing layer; 51. a second glass fiber; 52. heat conductive carbon fibers; 6. a second layer of polyurethane imide paint.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given.
As shown in fig. 1-4, a zero-pinhole polyester imide enameled flat copper wire for a driving motor comprises a flat copper wire 1, wherein a plurality of axial grooves 2 are formed in the surface of the flat copper wire 1, first reinforcing layers 3 are arranged on the left side surface and the right side surface of the flat copper wire 1, the first reinforcing layers 3 are formed by transversely and longitudinally interweaving first glass fibers 31 and aramid fibers 32, a first polyester imide paint layer 4 is arranged outside the first reinforcing layers 3, second reinforcing layers 5 are arranged on the upper side surface and the lower side surface of the flat copper wire 1, the second reinforcing layers 5 are formed by transversely and longitudinally interweaving second glass fibers 51 and heat-conducting carbon fibers 52, and a second polyester imide paint layer 6 is arranged outside the first polyester imide paint layer 4 and the second reinforcing layers 5.
The upper side surface and the lower side surface of the copper flat wire 1 are planes, and the left side surface and the right side surface of the copper flat wire 1 are arc-shaped surfaces.
The outer surfaces of the first polyester imide paint layer 4 and the second reinforcing layer 5 are equal. So that the second polyurethane paint layer 6 is smooth.
The caliber of the top surface of the groove 2 is smaller than that of the bottom surface of the groove 2.
The first polyester imide paint layer 4 and the second polyester imide paint layer 6 are compact and have no pinholes.
The working principle is as follows: the first reinforcing layer 3 and the second reinforcing layer 5 are used for respectively protecting the outer part of the copper flat wire 1, and because the left side surface and the right side surface of the copper flat wire 1 are easy to concentrate stress, the first reinforcing layer 3 and the first polyester imide paint layer 4 are arranged for better protecting the copper flat wire 1, the first reinforcing layer 3 is composed of first glass fibers 31 and aramid fibers 32, the strength is high, the high temperature resistance is realized, the toughness is high, and the tensile, compressive and bending resistance of the enameled wire is improved; the upper side surface and the lower side surface of the copper flat wire 1 are planes, and are protected by the second reinforcing layer 5, and the second reinforcing layer 5 is composed of second glass fibers 51 and heat-conducting carbon fibers 52, so that the strength is improved, and the heat dissipation performance is also improved; the fibers in the first reinforcing layer 3 and the second reinforcing layer 5 can also be fibers coated with polyester imide paint, and the double polyester imide paint is designed to perform key protection on the arc-shaped surface of the flat copper wire 1, so that better insulation and protection performance is embodied, and the service life of the enameled wire is prolonged.
The first reinforcing layer 3 and the second reinforcing layer 5 can be fixed with the copper flat wire 1 through adhesive, and the groove 2 is formed in the surface of the copper flat wire 1, so that fibers on the first reinforcing layer 3 and the second reinforcing layer 5 can be embedded into the groove 2, and the bonding strength between the first reinforcing layer 3 and the copper flat wire 1 and the bonding strength between the second reinforcing layer 5 and the copper flat wire 1 are improved. The connection between the first reinforcing layer 3 and the second reinforcing layer 5 and the copper flat wire 1 is further stabilized by the first polyester imide paint layer 4 and the second polyester imide paint layer 6 on the outer side.
The part of the utility model not detailed is prior art.
Claims (5)
1. Zero pinhole polyester imide enameled rectangular copper wire for driving motor, its characterized in that: including copper flat wire (1), the surface of copper flat wire (1) is equipped with a plurality of axial recess (2), the left and right sides face of copper flat wire (1) all is equipped with first enhancement layer (3), first enhancement layer (3) are violently indulged by first glass fiber (31) and aramid fiber (32) and are interweaved and form, the outside of first enhancement layer (3) is equipped with first polyester imide lacquer layer (4), the upper and lower both sides face of copper flat wire (1) all is equipped with second enhancement layer (5), second enhancement layer (5) are violently indulged by second glass fiber (51) and heat conduction carbon fiber (52) and are interweaved and form, the outside of first polyester imide lacquer layer (4) and second enhancement layer (5) is equipped with second polyester imide lacquer layer (6).
2. The zero-pinhole polyester imide enameled rectangular copper wire for the drive motor according to claim 1, characterized in that: the upper side surface and the lower side surface of the copper flat wire (1) are planes, and the left side surface and the right side surface of the copper flat wire (1) are arc-shaped surfaces.
3. The zero-pinhole polyester imide enameled rectangular copper wire for the drive motor according to claim 1, characterized in that: the outer surfaces of the first polyester imide paint layer (4) and the second reinforcing layer (5) are flush.
4. The zero-pinhole polyester imide enameled rectangular copper wire for the drive motor according to claim 1, characterized in that: the caliber of the top surface of the groove (2) is smaller than that of the bottom surface of the groove (2).
5. The zero-pinhole polyester imide enameled rectangular copper wire for the drive motor according to claim 1, characterized in that: the first polyester imide paint layer (4) and the second polyester imide paint layer (6) are compact and have no pinholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696774.6U CN213583172U (en) | 2020-11-20 | 2020-11-20 | Zero pinhole polyester imide enameled rectangular copper wire for driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696774.6U CN213583172U (en) | 2020-11-20 | 2020-11-20 | Zero pinhole polyester imide enameled rectangular copper wire for driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583172U true CN213583172U (en) | 2021-06-29 |
Family
ID=76539149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022696774.6U Active CN213583172U (en) | 2020-11-20 | 2020-11-20 | Zero pinhole polyester imide enameled rectangular copper wire for driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213583172U (en) |
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2020
- 2020-11-20 CN CN202022696774.6U patent/CN213583172U/en active Active
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