CN213583162U - Polyamide-imide corona-resistant enameled round copper wire - Google Patents
Polyamide-imide corona-resistant enameled round copper wire Download PDFInfo
- Publication number
- CN213583162U CN213583162U CN202022826560.6U CN202022826560U CN213583162U CN 213583162 U CN213583162 U CN 213583162U CN 202022826560 U CN202022826560 U CN 202022826560U CN 213583162 U CN213583162 U CN 213583162U
- Authority
- CN
- China
- Prior art keywords
- polyamide imide
- copper wire
- corona
- round copper
- polyamideimide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model discloses a polyamide imide corona resistant enameled copper round wire, including copper round wire body (1), copper round wire body (1) surface is equipped with polyester imide lacquer layer (2), nanometer titanium dioxide-polyamide imide composite insulation lacquer (3), first polyamide imide lacquer layer (4), organic silicon resin layer (5), second polyamide imide lacquer layer (6) and nylon lacquer layer (7) in proper order. The utility model discloses an aspect strict control each position of lacquer layer, on the other hand through the thickness ratio between the strict definition nanometer titanium dioxide-polyamideimide composite insulating varnish, first polyamideimide lacquer layer and the second polyamideimide lacquer layer three to can effectively improve the corona resistance of enameled wire.
Description
Technical Field
The utility model relates to an enameled round copper wire, especially a polyamide imide anti-corona enameled round copper wire.
Background
With the development of power electronic technology, the variable frequency speed regulation technology of the motor is rapidly popularized, and development of corona-resistant enameled wires for the variable frequency motor becomes a hot point. The pulse wave generated by the IGBT and PWM speed regulation device for frequency conversion has high peak (voltage peak value), the peak has steep rising voltage, and the frequency (sometimes can reach 20KHz) has the destructive effect on the insulating paint film of the enameled wire, so that the frequency conversion motor using the common enameled wire is easy to generate turn-to-turn breakdown, the service life of the motor is greatly reduced, and the enameled wire capable of resisting corona is required to be used. However, the existing corona-resistant enameled wire has poor corona resistance, and after the corona-resistant enameled wire is used for a period of time, turn-to-turn breakdown still occurs, so that the service life of a motor is influenced. Therefore, the conventional technology has a problem of poor corona resistance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti corona enameled copper round wire of polyamideimide. The utility model has the characteristics of can effectively improve corona resistance.
The technical scheme of the utility model: the polyamide imide corona-resistant enameled round copper wire comprises a round copper wire body, wherein a polyester imide paint layer, a nano titanium dioxide-polyamide imide composite insulating paint, a first polyamide imide paint layer, an organic silicon resin layer, a second polyamide imide paint layer and a nylon paint layer are sequentially arranged on the surface of the round copper wire body.
In the polyamide imide corona-resistant enameled round copper wire, the thickness ratio of the nano titanium dioxide-polyamide imide composite insulating paint to the first polyamide imide paint layer to the second polyamide imide paint layer is 1: 0.8: 1.2.
in the polyamide-imide corona-resistant enameled round copper wire, the surface of the organic silicon resin layer is also provided with spiral grooves in spiral distribution, and composite fibers are embedded in the spiral grooves.
In the polyamide imide corona-resistant enameled round copper wire, the composite fiber comprises a tear-resistant glass fiber and a nano ceramic fiber which are intertwined with each other.
In the polyamide imide corona-resistant enameled round copper wire, the surface of the tear-resistant glass fiber is coated with a metal oxide polyamide imide paint layer.
Compared with the prior art, the utility model discloses a coating in proper order is at the polyesterimide lacquer layer on copper circle line body surface, nanometer titanium dioxide-polyamideimide composite insulating varnish, first polyamideimide lacquer layer, the organosilicon resin layer, mutually support between second polyamideimide lacquer layer and the nylon lacquer layer, the position of each lacquer layer of strict control on the one hand, on the other hand is through the strict limit nanometer titanium dioxide-polyamideimide composite insulating varnish, the thickness ratio between first polyamideimide lacquer layer and the second polyamideimide lacquer layer three, thereby can effectively improve the corona resistance performance of enameled wire. Additionally, the utility model discloses still through set up the helicla flute on the organic silicon resin surface to inlay in the helicla flute and establish the composite fiber who comprises tearing glass fiber and nanometer ceramic fiber, thereby can effectively improve the whole tear resistance performance of enameled wire on the one hand, on the other hand also can further improve the adhesion property of paint film, further improves corona resistance. To sum up, the utility model has the characteristics of can effectively improve corona resistance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: the manufacturing method comprises the following steps of 1-a copper round wire body, 2-a polyester imide paint layer, 3-nano titanium dioxide-polyamide imide composite insulating paint, 4-a first polyamide imide paint layer, 5-an organic silicon resin layer, 6-a second polyamide imide paint layer and 7-a nylon paint layer.
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 polyamide imide corona-resistant enameled round copper wire is shown in figure 1 and comprises a round copper wire body 1, wherein a polyester imide paint layer 2, a nano titanium dioxide-polyamide imide composite insulating paint 3, a first polyamide imide paint layer 4, an organic silicon resin layer 5, a second polyamide imide paint layer 6 and a nylon paint layer 7 are sequentially arranged on the surface of the round copper wire body 1.
The thickness ratio of the nano titanium dioxide-polyamide imide composite insulating paint 3 to the first polyamide imide paint layer 4 to the second polyamide imide paint layer 6 is 1: 0.8: 1.2.
the surface of the organic silicon resin layer 5 is also provided with spiral grooves which are distributed spirally, and composite fibers are embedded in the spiral grooves.
The composite fiber comprises intertwined tear resistant glass fibers and nano ceramic fibers.
The surface of the tear-resistant glass fiber is coated with a metal oxide polyamide imide paint layer.
The metal oxide polyamideimide paint layer refers to the polyamideimide paint mixed with metal oxide. The metal oxide may be iron oxide or the like.
The utility model discloses a preparation process: the method comprises the following steps of sequentially coating a polyester imide paint layer, a nano titanium dioxide-polyamide imide composite insulating paint, a first polyamide imide paint layer and an organic silicon resin layer on the surface of a copper round wire body, pressing a spiral groove on the surface of the organic silicon resin layer, embedding composite fibers in the spiral groove, and then continuously and sequentially coating a second polyamide imide paint layer and a nylon paint layer.
Claims (5)
1. Polyamide-imide corona-resistant enameled round copper wire, which is characterized in that: the wire comprises a round copper wire body (1), wherein a polyester imide paint layer (2), a nano titanium dioxide-polyamide imide composite insulating paint (3), a first polyamide imide paint layer (4), an organic silicon resin layer (5), a second polyamide imide paint layer (6) and a nylon paint layer (7) are sequentially arranged on the surface of the round copper wire body (1).
2. The polyamideimide corona resistant enameled round copper wire according to claim 1, characterized in that: the thickness ratio of the nano titanium dioxide-polyamide imide composite insulating paint (3) to the first polyamide imide paint layer (4) to the second polyamide imide paint layer (6) is 1: 0.8: 1.2.
3. the polyamideimide corona resistant enameled round copper wire according to claim 1, characterized in that: the surface of the organic silicon resin layer (5) is also provided with spiral grooves which are distributed spirally, and composite fibers are embedded in the spiral grooves.
4. The polyamideimide corona resistant enameled round copper wire according to claim 3, characterized in that: the composite fiber comprises intertwined tear resistant glass fibers and nano ceramic fibers.
5. The polyamideimide corona resistant enameled round copper wire according to claim 4, characterized in that: the surface of the tear-resistant glass fiber is coated with a metal oxide polyamide imide paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826560.6U CN213583162U (en) | 2020-11-30 | 2020-11-30 | Polyamide-imide corona-resistant enameled round copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826560.6U CN213583162U (en) | 2020-11-30 | 2020-11-30 | Polyamide-imide corona-resistant enameled round copper wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583162U true CN213583162U (en) | 2021-06-29 |
Family
ID=76544377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022826560.6U Active CN213583162U (en) | 2020-11-30 | 2020-11-30 | Polyamide-imide corona-resistant enameled round copper wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213583162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464348A (en) * | 2021-08-12 | 2022-05-10 | 上海蔚兰动力科技有限公司 | Corona-resistant enameled round wire and preparation method thereof |
-
2020
- 2020-11-30 CN CN202022826560.6U patent/CN213583162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464348A (en) * | 2021-08-12 | 2022-05-10 | 上海蔚兰动力科技有限公司 | Corona-resistant enameled round wire and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101958158B (en) | Method for preparing corona-resistant enameled wire and product | |
| US10796814B2 (en) | Insulated winding wire with conformal coatings | |
| JP2002075066A (en) | Self-lubricative enamel wire | |
| CN213583162U (en) | Polyamide-imide corona-resistant enameled round copper wire | |
| TWI529749B (en) | A electric insulating wire of a multilayer coating layers | |
| US20110155417A1 (en) | Conducting wire structure and method of manufacturing a conducting wire core | |
| JP6589783B2 (en) | Enameled wire, method for producing the enameled wire, coil using the enameled wire, and electrical component using the coil | |
| CN203746451U (en) | Multi-coating high performance varnished wire | |
| WO2008132978A1 (en) | Insulated electrical wire, electrical coil, and motor | |
| CN105336451A (en) | Autohension corona-resistant enamelled wire and preparation method thereof | |
| CN208157100U (en) | 220 grades of Inverter fed motor polyamidoimide enameling copper strap wires | |
| CN1326157C (en) | Corona-proof conductor | |
| CN105976924A (en) | Self-lubricating corona resistance composite enamelled wire | |
| TWI644328B (en) | An insulated copper line and the method manufacturing the same | |
| CN113314254A (en) | Corona-resistant enameled wire | |
| CN219476345U (en) | High-temperature-resistant variable-frequency enameled rectangular copper wire for driving motor of new energy automobile | |
| JP4061981B2 (en) | Inverter surge resistant coil insulation varnish and inverter surge resistant coil | |
| KR20040015035A (en) | Iron core exhibiting excellent insulating property at end face, and method for coating end face of iron core | |
| CN2273042Y (en) | Heat-bonding enameled wire | |
| CN203882655U (en) | 200-grade anti-pulse-voltage composite enameled wire | |
| CN2641770Y (en) | Thermal-bonding direct-welding superthick composite enamelled copper twisted wire | |
| CN201378454Y (en) | Polyester/polyamide composite enameled round copper wire | |
| CN220651674U (en) | Zero pinhole polyurethane paint copper round wire for enamelled stranded wire | |
| CN220340934U (en) | Multi-performance self-adhesive insulated wire | |
| CN215770563U (en) | Corona-resistant enameled wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |