CN211016737U - Magnetic component - Google Patents
Magnetic component Download PDFInfo
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- CN211016737U CN211016737U CN201922045033.9U CN201922045033U CN211016737U CN 211016737 U CN211016737 U CN 211016737U CN 201922045033 U CN201922045033 U CN 201922045033U CN 211016737 U CN211016737 U CN 211016737U
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- insulating
- magnetic component
- insulating layer
- foundation structure
- magnetic
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Abstract
The utility model discloses a magnetic component, which is used in the rail transit industry and comprises a magnetic component foundation structure and an insulating layer, wherein the insulating layer wraps the whole magnetic component foundation structure; the insulating layer is formed by R-grade insulating paint through a vacuum pressure impregnation process. The utility model discloses after magnetic components's foundation structure is accomplished in the preparation, pass through vacuum pressure impregnation technology with whole foundation structure and form the insulating layer on foundation structure's surface, this insulating layer adopts R level insulated paint to improve magnetic components's design temperature rise, the design temperature rise can reach 220 degrees centigrade.
Description
Technical Field
The utility model relates to a track traffic technical field, concretely relates to magnetic component.
Background
With the vigorous development of the rail transit industry in China, the requirements of magnetic components for various purposes in the rail transit industry are naturally great, and how to miniaturize and lighten the magnetic components becomes the consistent requirement of each whole vehicle company. The traditional magnetic components are all H-level insulation, and the designed temperature rise can only reach 125K according to the industry regulation of rail transit. The design temperature rise refers to the maximum temperature allowed to be reached by the magnetic component during design, and the insulation performance of the magnetic component can still be guaranteed at the maximum temperature.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem that: the insulation design temperature of the magnetic component in the rail transit industry is improved.
In order to solve the technical problem, the utility model provides a following technical scheme: a magnetic component comprises a magnetic component base structure and an insulating layer, wherein the insulating layer wraps the whole magnetic component base structure; the insulating layer is formed by R-grade insulating paint through a vacuum pressure impregnation process; the magnetic component is used in the rail transit industry.
The magnetic components include reactors and transformers, and the basic structure of the magnetic components is a conventional structure in the prior art, and includes, for example, an iron core and a coil (or called an electromagnetic wire) wound on the iron core. The utility model discloses after magnetic components's foundation structure is accomplished in the preparation, pass through vacuum pressure impregnation technology with whole foundation structure and form the insulating layer on foundation structure's surface, this insulating layer adopts R level insulated paint to improve magnetic components's design temperature rise.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic diagram of a basic structure of a magnetic component.
The symbols in the drawings illustrate that:
10. an iron core; 20. insulating supporting plates; 30. insulating paper; 40. an electromagnetic wire.
Detailed Description
A magnetic component is used in the rail transit industry.
The magnetic component comprises a magnetic component base structure and an insulating layer, wherein the insulating layer is formed by R-grade insulating paint through a vacuum pressure impregnation process and wraps the whole magnetic component base structure.
As shown in fig. 1, the basic structure of the magnetic component includes an iron core 10, an insulating supporting plate 20, insulating paper 30 and electromagnetic wires 40, the electromagnetic wires are wound on the iron core in a multi-layer manner, namely, a plurality of layers of electromagnetic wires are wound on the iron core, the insulating supporting plate is arranged between two adjacent layers of the electromagnetic wires inside and outside, and the insulating paper and the insulating adhesive tape are wrapped on the periphery of each layer of the electromagnetic wires. After the insulating paper wraps the electromagnetic wire, the insulating tape is bonded with the joint of the insulating paper, and the insulating paper is fixed on the electromagnetic wire, or after the insulating paper wraps the electromagnetic wire, the insulating tape is wound on the insulating paper again, and the insulating paper is fixed on the electromagnetic wire.
Alternatively, the insulating paper 30 may have a temperature resistance rating of R, and preferably, the insulating paper 30 is NOMEX (R) insulating paper from dupont, usa.
As an option, the insulating adhesive tape is 3M insulating adhesive tape.
Alternatively, the insulating support plate 20 is a glass fiber rod, specifically, a SG-200 glass fiber rod is selected.
After the basic structure of the magnetic component is manufactured, an insulating layer is formed on the surface of the whole basic structure through a vacuum pressure impregnation process. Specifically, first, a paint dip tank is cleaned; secondly, predrying the paint dipping tank; thirdly, putting the basic structure of the magnetic component into a paint dipping tank; fourthly, vacuumizing the paint dipping tank, wherein the vacuum degree is 0.1Mpa, and maintaining the time for 120 minutes; fifthly, injecting the insulating paint into a paint dipping tank, standing for 10 minutes and pressurizing; maintaining the pressure for 180 minutes, and then releasing the pressure to 0.5-0.6Mpa for one time; sixthly, returning paint; seventhly, dripping paint, keeping the air pressure at 0.2Mpa for 60 minutes; eighthly, releasing the pressure to normal pressure for the second time, and taking the basic structure of the magnetic component out of the tank; ninth, putting the basic structure of the magnetic component into a fixing furnace, and drying and curing at 160 ℃ for 480 minutes; and tenth, discharging, and forming insulating paint on the surface of the basic structure of the magnetic component.
Wherein, the insulating impregnating varnish is CB-1105HTC insulating varnish from Dolph company. The highest temperature that the insulating layer of the magnetic component can endure is 220 degrees, i.e. the design temperature is up to 220 degrees.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. A magnetic component comprises a magnetic component base structure and an insulating layer, and is characterized in that: the insulating layer wraps the whole basic structure of the magnetic component; the insulating layer is formed by R-grade insulating paint through a vacuum pressure impregnation process; the magnetic component is used in the rail transit industry.
2. A magnetic component as claimed in claim 1, wherein: the maximum temperature that the insulating layer can withstand is 220 degrees.
3. A magnetic component as claimed in claim 1, wherein: magnetic components and parts foundation structure includes iron core (10), insulating fagging (20), insulating paper (30), electromagnetic wire (40), and the electromagnetic wire is equipped with insulating fagging with multilayer form winding on the iron core between the adjacent two-layer electromagnetic wire, and the peripheral parcel of each layer of electromagnetic wire has insulating paper and insulating sticky tape.
4. A magnetic component as claimed in claim 3, wherein: the temperature resistant grade of the insulating paper (30) is R grade.
5. A magnetic component as claimed in claim 3, wherein: the insulating supporting plate (20) is a glass fiber rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045033.9U CN211016737U (en) | 2019-11-25 | 2019-11-25 | Magnetic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045033.9U CN211016737U (en) | 2019-11-25 | 2019-11-25 | Magnetic component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211016737U true CN211016737U (en) | 2020-07-14 |
Family
ID=71475596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922045033.9U Active CN211016737U (en) | 2019-11-25 | 2019-11-25 | Magnetic component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211016737U (en) |
-
2019
- 2019-11-25 CN CN201922045033.9U patent/CN211016737U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
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