CN214254023U - Transformer with heat dissipation air duct - Google Patents
Transformer with heat dissipation air duct Download PDFInfo
- Publication number
- CN214254023U CN214254023U CN202120193257.9U CN202120193257U CN214254023U CN 214254023 U CN214254023 U CN 214254023U CN 202120193257 U CN202120193257 U CN 202120193257U CN 214254023 U CN214254023 U CN 214254023U
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- insulating
- transformer
- air duct
- magnetic ring
- heat dissipation
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Abstract
The utility model discloses a transformer with a heat dissipation air duct, which comprises a magnetic ring, a primary winding group and a secondary winding group, wherein an insulating shell is sleeved outside the magnetic ring, an insulating seat is connected below the insulating shell, and a plurality of pins are arranged on the insulating seat; the fan is arranged below the insulating seat, the ventilating cavity is formed in the insulating seat corresponding to the fan, the air channel is formed in the insulating shell and communicated with the inner cavity of the insulating shell, the lower end of the air channel is communicated with the ventilating cavity, and the upper end of the air channel is open. The utility model is provided with the insulating shell outside the magnetic ring, thereby the surface of the magnetic ring does not need to be sprayed with insulating paint, the stress influence on the magnetic ring can be effectively reduced, the stability of the electrical property of the magnetic ring is improved, and the insulating safety is increased; the insulating shell is provided with the air duct which is matched with the fan, so that ventilation and heat dissipation of the transformer are facilitated, and the service life of the transformer is prolonged.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to transformer with radiating air duct.
Background
At present, the switching power supply is widely used due to advantages of small size, low cost, stable performance and the like, and a high-frequency switching transformer is one of the most important components of the switching power supply. The existing switch transformer has small volume, large power and poor heat dissipation effect, and is easy to damage the transformer due to overhigh temperature in the use process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a transformer with radiating air duct, aim at improving the radiating effect of transformer, prolong the life of transformer.
In order to achieve the above object, the utility model adopts the following technical scheme: a transformer with a heat dissipation air duct comprises a magnetic ring, a primary winding group and a secondary winding group, wherein an insulating shell is sleeved outside the magnetic ring, an insulating seat is connected below the insulating shell, and a plurality of pins are arranged on the insulating seat; the fan is arranged below the insulating seat, the ventilating cavity is formed in the insulating seat corresponding to the fan, the air channel is formed in the insulating shell, the lower end of the air channel is communicated with the ventilating cavity, and the upper end of the air channel is open.
Furthermore, an insulating screen plate is arranged at the upper end of the air duct.
Further, an installation groove is arranged below the insulating seat, a ventilating plate is arranged at the bottom of the installation groove, and the fan is arranged on the ventilating plate.
Further, the primary winding group is composed of a twisted wire wound outside the insulating case.
Furthermore, a winding hole is formed in the middle of the insulating shell, and the secondary winding group is sleeved in the winding hole and is formed by bending a copper sheet.
The utility model has the advantages that:
the insulating shell is arranged outside the magnetic ring, so that insulating paint is not required to be sprayed on the surface of the magnetic ring, the stress influence on the magnetic ring can be effectively reduced, the stability of the electrical property of the magnetic ring is improved, and the insulating safety is improved; the insulating shell is provided with the air duct which is matched with the fan, so that ventilation and heat dissipation of the transformer are facilitated, and the service life of the transformer is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial sectional view of an insulation case according to the present invention.
1. The magnetic ring comprises a magnetic ring 2, an insulating shell 3, an insulating base 4, a pin 5, a stranded wire 6, a winding hole 7, a secondary winding group 8, a mounting groove 9, a ventilating plate 10, a fan 11, an air duct 12, an insulating screen 13 and a ventilating cavity.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 2, a transformer with a heat dissipation air duct 11 includes a magnetic ring 1, a primary winding set, and a secondary winding set 7, wherein an insulating casing 2 is sleeved outside the magnetic ring 1; an insulating seat 3 is arranged below the insulating shell 2, and a plurality of pins 4 are arranged on the insulating seat 3. The insulating shell 2 plays a role in protecting the magnetic ring 1, can replace insulating paint sprayed on the surface of the magnetic ring 1, can effectively reduce the stress influence on the magnetic ring, improves the stability of the electrical performance of the magnetic ring, and increases the insulating safety.
The primary winding group is composed of a twisted wire 5 wound outside the insulating case 2; the middle of the insulating shell 2 is provided with a winding hole 6, and the secondary winding group is sleeved in the winding hole 6 and is formed by bending a copper sheet.
In order to improve the heat dissipation effect of the radiator, the following settings are carried out:
3 below of insulator seat is equipped with a mounting groove 8, 8 bottoms in mounting groove are equipped with ventilating board 9, are equipped with a fan 10 and locate on the ventilating board 9. An air duct 11 is arranged on the insulating shell 2, and the air duct 11 is communicated with the inner cavity of the insulating shell 2. The upper end of the air duct 11 is open, an insulating screen 12 is arranged at the open position of the air duct, and the insulating screen 12 is used for protection on one hand and ventilation on the other hand. And a ventilation cavity 13 is arranged on the insulating base 3 corresponding to the fan 10, and the ventilation cavity 13 is communicated with the air duct 11.
During operation, the fan 10 blows air, and the air passes through the ventilation cavity 13 and the air duct 11 in sequence and finally passes through the insulating net plate 12 to perform gas interaction, so that the purposes of ventilation and heat dissipation are achieved.
What has been described above is only the preferred embodiment of the transformer with heat dissipation air duct disclosed in the present invention, and it should be noted that, for those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, and these all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a transformer with heat dissipation wind channel, includes magnetic ring, elementary winding group and secondary winding group, its characterized in that: an insulating shell is sleeved outside the magnetic ring, an insulating seat is connected below the insulating shell, and a plurality of pins are arranged on the insulating seat; the fan is arranged below the insulating seat, the ventilating cavity is formed in the insulating seat corresponding to the fan, the air channel is formed in the insulating shell and communicated with the inner cavity of the insulating shell, the lower end of the air channel is communicated with the ventilating cavity, and the upper end of the air channel is open.
2. The transformer with the heat dissipation air duct of claim 1, wherein: an insulating screen plate is arranged at the upper end of the air duct.
3. The transformer with the heat dissipation air duct of claim 1, wherein: the insulating seat below is equipped with a mounting groove, the mounting groove bottom is equipped with the ventilating board, the fan is located on the ventilating board.
4. The transformer with the heat dissipation air duct of claim 1, wherein: the primary winding group is composed of a twisted wire wound outside the insulating case.
5. The transformer with the heat dissipation air duct of claim 1, wherein: the middle of the insulating shell is provided with a winding hole, and the secondary winding group is sleeved in the winding hole and is formed by bending a copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193257.9U CN214254023U (en) | 2021-01-23 | 2021-01-23 | Transformer with heat dissipation air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193257.9U CN214254023U (en) | 2021-01-23 | 2021-01-23 | Transformer with heat dissipation air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254023U true CN214254023U (en) | 2021-09-21 |
Family
ID=77752242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120193257.9U Active CN214254023U (en) | 2021-01-23 | 2021-01-23 | Transformer with heat dissipation air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254023U (en) |
-
2021
- 2021-01-23 CN CN202120193257.9U patent/CN214254023U/en active Active
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