CN210200349U - 200-grade corona-resistant enameled rectangular copper wire - Google Patents
200-grade corona-resistant enameled rectangular copper wire Download PDFInfo
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- CN210200349U CN210200349U CN201921547555.2U CN201921547555U CN210200349U CN 210200349 U CN210200349 U CN 210200349U CN 201921547555 U CN201921547555 U CN 201921547555U CN 210200349 U CN210200349 U CN 210200349U
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Abstract
The utility model discloses a 200-level corona-resistant enameled flat copper wire, which comprises a flat copper wire (1), wherein a first paint layer (2), a metal shielding layer (3), a second paint layer (4) and a wear-resistant layer (5) are sequentially arranged on the outer side of the flat copper wire (1), the thickness of the first paint layer (2) is 0.06-0.08mm, the thickness of the metal shielding layer (3) is 0.03-0.05mm, the thickness of the second paint layer (4) is 0.1-0.12mm, and the thickness of the wear-resistant layer (5) is 0.02-0.04 mm; a plurality of first inclined grooves (6) are formed in the outer side face of the first paint layer (2), a plurality of second inclined grooves (7) are formed in the outer side face of the metal shielding layer (3), and the inclined directions of the first inclined grooves (6) and the second inclined grooves (7) are opposite. The utility model has the advantages of the electromagnetic shield effect is difficult to reduce.
Description
Technical Field
The utility model belongs to new energy automobile driving motor enameled wire field especially relates to a 200 grade corona-resistant enameled rectangular copper wire for new energy automobile driving motor.
Background
The new energy automobile is an automobile taking a storage battery as a power source, and a driving motor converts the energy of the storage battery into mechanical energy for driving the automobile to run. The driving motor is used for a 200-grade corona-resistant enameled flat copper wire (enameled wire for short), a paint layer of the enameled wire is usually formed by compounding multiple layers, a metal shielding layer with a shielding effect on electromagnetic pulses is usually compounded in an interlayer of the paint layer, however, the driving motor can generate high temperature when working, the driving motor is vibrated for a long time along with the running of an automobile, the outer layer of the paint layer is easy to peel off, the metal shielding layer is exposed and oxidized, the shielding effect of the enameled wire on the electromagnetic pulses is low, the strength of the oxidized metal shielding layer is reduced and is likely to peel off, and the shielding effect of the enameled wire on the electromagnetic pulses is further reduced.
Therefore, the existing enameled wire has the defect that the electromagnetic shielding effect is easily reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 200 grade corona resistant enameled flat copper wire. The utility model has the advantages of the electromagnetic shield effect is difficult to reduce.
The technical scheme of the utility model: the 200-grade corona-resistant enameled flat copper wire comprises a flat copper wire, wherein a first paint layer, a metal shielding layer, a second paint layer and a wear-resistant layer are sequentially arranged on the outer side of the flat copper wire, the thickness of the first paint layer is 0.06-0.08mm, the thickness of the metal shielding layer is 0.03-0.05mm, the thickness of the second paint layer is 0.1-0.12mm, and the thickness of the wear-resistant layer is 0.02-0.04 mm; a plurality of first chutes are arranged on the outer side face of the first paint layer, a plurality of second chutes are arranged on the outer side face of the metal shielding layer, and the inclination directions of the first chutes and the second chutes are opposite.
In the aforementioned 200-grade corona-resistant enameled rectangular copper wire, the inclination angles of the first inclined groove and the second inclined groove are the same.
In the aforementioned 200-grade corona-resistant enameled rectangular copper wire, the first paint layer is a polyamide-imide paint layer.
In the aforementioned 200-grade corona-resistant enameled rectangular copper wire, the second paint layer is a nylon fiber silk paint layer.
In the aforementioned 200-grade corona-resistant enameled rectangular copper wire, the abrasion-resistant layer is a polybenzimidazole resin layer.
In the above 200-grade corona-resistant enameled rectangular copper wire, the rectangular copper wire is made of a single crystal copper wire.
Compared with the prior art, the utility model discloses a set up the chute at the lateral surface of first lacquer layer and the lateral surface of metallic shield layer, make first lacquer layer, have great bonding strength between metallic shield layer and the second lacquer layer, and each layer thickness of rational distribution, make first lacquer layer, metallic shield layer and second lacquer layer combine into stable, the overall structure that is difficult to peel off, this overall structure can make the enameled wire have good corona resistance, increase the wearing layer at this overall structure's skin, make the enameled wire be difficult to wear (mainly the scotch wearing and tearing of driving motor coiling process), prevent the scratch of overall structure part, the opposite slope direction of two chutes makes each layer in the overall structure receive the pulling force distribution when the enameled wire winds, avoid single layer atress to excessively take place the fracture, avoid the enameled wire to take place to damage in the in-process of coiling driving motor, the success rate of driving the motor is improved. Nylon fiber can improve the pliability and the tensile strength of second lacquer layer, is difficult to take place the fracture at the wire winding in-process of enameled wire, can make the metallic shield layer still can not expose the oxidation after long-term the use, also can protect the inside metallic shield layer and the first lacquer layer of second lacquer layer not to take place the fracture, makes the metallic shield layer can maintain the complete cladding to the copper ribbon line, so, the utility model discloses a metallic shield layer is difficult to the oxidation, also is difficult for the fracture, the utility model discloses electromagnetic pulse shielding effect is still better after long-time the use. The utility model discloses an on two skewed slots incline direction is opposite, can make the internal stress that the enameled wire produced when the wire winding comparatively balanced, and each lacquer layer is difficult to all ftractures under the stress action on the enameled wire, and further assurance metallic shield is difficult to expose the oxidation after long-time the use. The utility model discloses a flat copper wire adopts single crystal copper line, and heat conductivity and conductivity are better, and it is few to generate heat, and the heat dissipation is fast, and this also helps preventing each lacquer layer ageing, delays the speed that electromagnetic shield effect reduced.
Therefore, the utility model has the advantages of electromagnetic shield effect is difficult to reduce.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the present invention.
The labels in the figures are: 1-copper flat wire, 2-first paint layer, 3-metal shielding layer, 4-second paint layer, 5-wear-resistant layer, 6-first inclined groove and 7-second inclined groove.
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. The 200-grade corona-resistant enameled flat copper wire comprises a flat copper wire 1, wherein a first paint layer 2, a metal shielding layer 3, a second paint layer 4 and a wear-resistant layer 5 are sequentially arranged on the outer side of the flat copper wire 1, the thickness of the first paint layer 2 is 0.06-0.08mm, the thickness of the metal shielding layer 3 is 0.03-0.05mm, the thickness of the second paint layer 4 is 0.1-0.12mm, and the thickness of the wear-resistant layer 5 is 0.02-0.04 mm; a plurality of first inclined grooves 6 are formed in the outer side face of the first paint layer 2, a plurality of second inclined grooves 7 are formed in the outer side face of the metal shielding layer 3, and the inclined directions of the first inclined grooves 6 and the second inclined grooves 7 are opposite. The inclined groove means that the length direction of the groove has an inclined included angle compared with the length direction of the enameled wire. The metal shielding layer 3 is made of the existing metal shielding paint.
The inclination angles of the first chute 6 and the second chute 7 are the same.
The first lacquer layer 2 is a polyamide imide lacquer layer.
The second paint layer 4 is a nylon fiber silk paint layer. The second paint layer 4 is obtained by mixing nylon fiber yarns and polyamide imide paint, covering the metal shielding layer 3 with the mixture, and drying the mixture.
The wear resistant layer 5 is a layer of polybenzimidazole resin.
The copper flat wire 1 is made of a single crystal copper wire.
The first inclined grooves 6 are formed on the outer side surface of the first paint layer 2 in a rolling mode; the second inclined groove 7 is formed on the outer side surface of the metal shielding layer 3 in a rolling mode.
The principle is as follows: the utility model discloses a lateral surface at first lacquer layer and metallic shield's lateral surface set up the chute, make first lacquer layer, great bonding strength has between metallic shield and the second lacquer layer, and each layer thickness of rational distribution, make first lacquer layer, metallic shield and second lacquer layer combine into stably, the overall structure that is difficult to peel off, the outer increase wearing layer of overall structure here, make the enameled wire be difficult to wearing and tearing (mainly be the scotch wearing and tearing of driving motor coiling process), prevent the scratch of overall structure part, the existence of two chutes also makes the pulling force distribution that each layer received when the enameled wire winding in the overall structure more even, avoid single layer atress excessively to take place the fracture, avoid the enameled wire to take place to damage at coiling driving motor's in-process, improve driving motor's success rate. Nylon fiber can improve the pliability and the tensile strength of second lacquer layer, is difficult to take place the fracture at the wire winding in-process of enameled wire, can make the metallic shield layer still can not expose the oxidation after long-term the use, also can protect the inside metallic shield layer and the first lacquer layer of second lacquer layer not to take place the fracture, makes the metallic shield layer can maintain the complete cladding to the copper ribbon line, so, the utility model discloses a metallic shield layer is difficult to the oxidation, also is difficult for the fracture, the utility model discloses electromagnetic pulse shielding effect is still better after long-time the use. The utility model discloses an on two skewed slots incline direction is opposite, can make the internal stress that the enameled wire produced when the wire winding comparatively balanced, and each lacquer layer is difficult to all ftractures under the stress action on the enameled wire, and further assurance metallic shield is difficult to expose the oxidation after long-time the use. The utility model discloses a flat copper wire adopts single crystal copper line, and heat conductivity and conductivity are better, and it is few to generate heat, and the heat dissipation is fast, and this also helps preventing each lacquer layer ageing, delays the speed that electromagnetic shield effect reduced.
Therefore, the utility model has the advantages of electromagnetic shield effect is difficult to reduce.
Claims (6)
1.200 grade corona resistant enameled rectangular copper wire, its characterized in that: the copper flat wire comprises a copper flat wire (1), wherein a first paint layer (2), a metal shielding layer (3), a second paint layer (4) and a wear-resistant layer (5) are sequentially arranged on the outer side of the copper flat wire (1), the thickness of the first paint layer (2) is 0.06-0.08mm, the thickness of the metal shielding layer (3) is 0.03-0.05mm, the thickness of the second paint layer (4) is 0.1-0.12mm, and the thickness of the wear-resistant layer (5) is 0.02-0.04 mm; a plurality of first inclined grooves (6) are formed in the outer side face of the first paint layer (2), a plurality of second inclined grooves (7) are formed in the outer side face of the metal shielding layer (3), and the inclined directions of the first inclined grooves (6) and the second inclined grooves (7) are opposite.
2. The class 200 corona resistant enameled flat copper wire of claim 1, characterized in that: the inclination angles of the first chute (6) and the second chute (7) are the same.
3. The class 200 corona resistant enameled flat copper wire of claim 1, characterized in that: the first paint layer (2) is a polyamide imide paint layer.
4. The class 200 corona resistant enameled flat copper wire of claim 1, characterized in that: the second paint layer (4) is a nylon fiber silk paint layer.
5. The class 200 corona resistant enameled flat copper wire of claim 1, characterized in that: the wear-resistant layer (5) is a polybenzimidazole resin layer.
6. The class 200 corona resistant enameled flat copper wire of claim 1, characterized in that: the copper flat wire (1) is made of a single crystal copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547555.2U CN210200349U (en) | 2019-09-18 | 2019-09-18 | 200-grade corona-resistant enameled rectangular copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921547555.2U CN210200349U (en) | 2019-09-18 | 2019-09-18 | 200-grade corona-resistant enameled rectangular copper wire |
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| Publication Number | Publication Date |
|---|---|
| CN210200349U true CN210200349U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921547555.2U Active CN210200349U (en) | 2019-09-18 | 2019-09-18 | 200-grade corona-resistant enameled rectangular copper wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088429A1 (en) * | 2020-10-30 | 2022-05-05 | 歌尔股份有限公司 | Conductive wire material, coil, and apparatus |
| WO2022088427A1 (en) * | 2020-10-30 | 2022-05-05 | 歌尔股份有限公司 | Conductive wire, conductive coil, and conductive device |
-
2019
- 2019-09-18 CN CN201921547555.2U patent/CN210200349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088429A1 (en) * | 2020-10-30 | 2022-05-05 | 歌尔股份有限公司 | Conductive wire material, coil, and apparatus |
| WO2022088427A1 (en) * | 2020-10-30 | 2022-05-05 | 歌尔股份有限公司 | Conductive wire, conductive coil, and conductive device |
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Address after: 313000 no.897 Xin'an Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Great Wall Electric New Material Technology Co., Ltd Address before: 313000 no.18-61, industrial road, Nanhu high tech Industrial Park, Wuxing District, Huzhou City, Zhejiang Province Patentee before: Huzhou Great Wall Electrical New Material Technology Co., Ltd |