CN218159947U - High-voltage-withstanding transformer - Google Patents
High-voltage-withstanding transformer Download PDFInfo
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- CN218159947U CN218159947U CN202222044207.1U CN202222044207U CN218159947U CN 218159947 U CN218159947 U CN 218159947U CN 202222044207 U CN202222044207 U CN 202222044207U CN 218159947 U CN218159947 U CN 218159947U
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Abstract
The utility model relates to a high withstand voltage transformer. The transformer comprises a framework, wherein an iron core and a coil winding are arranged on the framework, and the coil winding comprises a primary coil winding and a secondary coil winding. The framework is provided with an installation surface, a high-voltage side lead pin is arranged on one edge of the installation surface, a protruding portion which horizontally protrudes out of the framework and extends outwards is arranged on the edge opposite to the edge on the installation surface, a low-voltage side lead pin is arranged on the protruding portion, and a limiting groove corresponding to each low-voltage side lead pin and used for limiting and matching a corresponding lead of the secondary coil winding is arranged on the side surface of the protruding portion. The side edge of the mounting surface is provided with the protruding part to increase the insulation distance between the high-voltage side lead pin and the low-voltage side lead pin, the limiting groove is arranged to ensure that the lead of the secondary coil winding is limited, the leads of the low-voltage side coil winding are respectively positioned and stably mounted, and the transformer with the structure can greatly improve the withstand voltage of the transformer.
Description
Technical Field
The utility model relates to a transformer field, concretely relates to high withstand voltage transformer.
Background
The transformer is as the most main component part of switching power supply, mainly includes skeleton, magnetic core and coil, and the coil includes primary coil and secondary coil, is provided with high pressure side lead wire stitch and low pressure side lead wire stitch on the skeleton, and high pressure side lead wire stitch corresponds with primary coil and is connected, and low pressure side lead wire stitch corresponds with secondary coil and is connected. The existing transformer framework is more regular, the stitch mounting part for installing the corresponding lead stitch on the framework slightly protrudes out of the coil, if the license publication number is CN 214254089U, the utility model discloses a prevent that the start line of high-voltage side coil winding is broken in insulating framework and transformer recorded, it is protruding to be provided with first installation arch and second installation on the insulating framework, it is the high-voltage side lead stitch to be provided with the high-voltage side terminal pin in the first installation arch, it is the low-voltage side lead stitch to be provided with the low-voltage side terminal pin in the second installation arch, because the transformer high-voltage side stitch and the low-voltage side stitch of this structure are close, lead to the insulating distance to be close, can't be applicable to the power consumption environment of high withstand voltage demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high withstand voltage transformer to high pressure side stitch and low pressure side stitch are close to cause transformer high pressure to tolerate lower problem on the skeleton of transformer among the solution prior art.
In order to achieve the above object, the utility model discloses a high withstand voltage transformer adopts following technical scheme: the utility model provides a high withstand voltage transformer, includes the skeleton, installs iron core and coil winding on the skeleton, and coil winding includes primary coil winding and secondary coil winding, the skeleton has an installation face, and an edge portion of installation face is provided with high pressure side lead wire stitch, and the edge portion relative with above-mentioned edge portion on the installation face is provided with the outstanding skeleton of level and outside extension's bulge, is provided with low pressure side lead wire stitch on the bulge, is provided with the spacing recess of the corresponding spacing complex of lead wire that supplies secondary coil winding that corresponds with each low pressure side lead wire stitch on the side of bulge.
The mounting surface is provided with a plurality of mounting bosses which are perpendicular to the mounting surface and extend, high-voltage side lead pins are correspondingly mounted on the corresponding mounting bosses, and the framework parts of two adjacent mounting bosses are provided with winding structures for limiting and matching corresponding leads of the primary coil winding.
The winding structure comprises a wire cutting groove arranged on the framework, and the length direction of the wire cutting groove and the installation surface are obliquely arranged at an acute angle.
The winding structure comprises a first partition plate and a second partition plate which are arranged along the installation surface of the framework at intervals towards the opposite side surfaces of the installation surface, and a limit groove is formed between the first partition plate and the second partition plate.
The iron core is pasted with an insulating tape.
And an insulating sleeve is sleeved on a lead of the secondary coil winding.
The utility model has the advantages that: the side edge of the mounting surface is provided with the protruding part to increase the insulation distance between the high-voltage side lead pin and the low-voltage side lead pin, the limiting groove is arranged to ensure that the lead of the secondary coil winding is limited, the leads of the low-voltage side coil winding are respectively positioned and stably mounted, and the transformer with the structure can greatly improve the withstand voltage of the transformer.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a high voltage withstand transformer according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partially enlarged view at B in fig. 1.
Detailed Description
The utility model discloses an embodiment of high withstand voltage transformer, as shown in fig. 1-fig. 3, including skeleton 1, install iron core 3 and coil winding 2 on the skeleton 1, coil winding includes primary winding and secondary winding, and the iron core facing has the insulating tape 15, and the insulating tape can set up the multilayer as required.
The framework is provided with a mounting surface 16, one edge of the mounting surface is provided with a high-voltage side lead pin 5, specifically, one edge of the mounting surface is provided with a plurality of mounting bosses 4 which are perpendicular to the mounting surface and extend, and the high-voltage side lead pin 5 is correspondingly mounted on the corresponding mounting bosses. And winding structures are arranged on the framework parts of the two adjacent mounting bosses so as to limit and match corresponding leads of the primary coil winding. The winding structure comprises a wire cutting groove 7 arranged on the framework, and the length direction of the wire cutting groove and the installation surface are obliquely arranged at an acute angle. The winding structure further comprises a first partition plate 8 and a second partition plate 9 which are arranged along the opposite side surfaces of the mounting surface of the framework at intervals, and a limiting groove is formed between the first partition plate 8 and the second partition plate 9. The tangent groove that the slope set up and the setting of first baffle and second baffle for the initiating line of high pressure side coil winding is sheltered from or is sheltered from by first baffle and second baffle by the cell wall of the spacing groove of slope, has increased the dielectric constant between initiating line and the high pressure side coil winding, makes the initiating line of high pressure side coil winding be difficult to hit by high pressure and cuts off, has prolonged the life of transformer greatly. Specifically, first baffle and second baffle set up in the middle part position, and the tangent line groove sets up in both sides position, and the lead wire of the high-pressure side coil winding of being convenient for alternates the winding.
The side opposite to the side on the mounting surface 16 is provided with a protruding part 10 which horizontally protrudes from the framework and extends outwards, and the protruding part is provided with a low-voltage side lead pin 11. And the side surface of the protruding part is provided with a limiting groove 13 corresponding to each low-voltage side lead pin and used for limiting and matching the corresponding lead of the secondary coil winding, so that each lead of the secondary coil winding returns to the position of the secondary coil winding, and the secondary coil winding is convenient to limit, wind and fix. The distance between the lead wire of the pole coil winding and the low-voltage side lead pin is long due to the arrangement of the protruding part, so that an insulating sleeve needs to be sleeved on the lead wire of the secondary coil winding. The insulating sleeve may be a transparent insulating sleeve 14.
In other embodiments of the present invention, the winding structure may include only the cutting slots corresponding to the number of the high-voltage side lead pins; the winding structure can also only comprise a first clapboard and a second clapboard corresponding to the number of the high-voltage side lead pins; under the condition that the winding of the lead of the high-voltage side coil winding is not influenced, the positions of the tangent groove and the first partition plate and the second partition plate can be adjusted according to actual needs.
Claims (6)
1. The utility model provides a high withstand voltage transformer, includes the skeleton, installs iron core and coil winding on the skeleton, and coil winding includes primary coil winding and secondary coil winding, its characterized in that: the framework is provided with an installation surface, a high-voltage side lead pin is arranged on one edge of the installation surface, a protruding portion which horizontally protrudes out of the framework and extends outwards is arranged on the edge, opposite to the edge, of the installation surface, a low-voltage side lead pin is arranged on the protruding portion, and a limiting groove which corresponds to each low-voltage side lead pin and is used for limiting and matching a corresponding lead of the secondary coil winding is arranged on the side face of the protruding portion.
2. The high-voltage transformer according to claim 1, wherein: the mounting surface is provided with a plurality of mounting bosses which are perpendicular to the mounting surface and extend, high-voltage side lead pins are correspondingly mounted on the corresponding mounting bosses, and the framework parts of two adjacent mounting bosses are provided with winding structures for limiting and matching corresponding leads of the primary coil winding.
3. The high voltage transformer according to claim 2, wherein: the winding structure comprises a wire cutting groove arranged on the framework, and the wire cutting groove is obliquely arranged at an acute angle between the length direction of the wire cutting groove and the installation surface.
4. The high-voltage transformer according to claim 2, wherein: the winding structure comprises a first partition plate and a second partition plate which are arranged along the installation surface of the framework at intervals towards the opposite side surfaces of the installation surface, and a limit groove is formed between the first partition plate and the second partition plate.
5. The high-voltage transformer according to any one of claims 1 to 4, characterized in that: and the iron core is coated with an insulating tape.
6. The high voltage transformer according to claim 1, wherein: and an insulating sleeve is sleeved on a lead of the secondary coil winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222044207.1U CN218159947U (en) | 2022-08-04 | 2022-08-04 | High-voltage-withstanding transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222044207.1U CN218159947U (en) | 2022-08-04 | 2022-08-04 | High-voltage-withstanding transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218159947U true CN218159947U (en) | 2022-12-27 |
Family
ID=84598280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222044207.1U Active CN218159947U (en) | 2022-08-04 | 2022-08-04 | High-voltage-withstanding transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218159947U (en) |
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2022
- 2022-08-04 CN CN202222044207.1U patent/CN218159947U/en active Active
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