CN214254089U - Insulating framework capable of preventing starting line of high-voltage side coil winding from being broken by impact and transformer - Google Patents
Insulating framework capable of preventing starting line of high-voltage side coil winding from being broken by impact and transformer Download PDFInfo
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- CN214254089U CN214254089U CN202120680861.4U CN202120680861U CN214254089U CN 214254089 U CN214254089 U CN 214254089U CN 202120680861 U CN202120680861 U CN 202120680861U CN 214254089 U CN214254089 U CN 214254089U
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- coil winding
- voltage side
- side coil
- skeleton
- axial direction
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Abstract
The utility model relates to a prevent insulating skeleton and transformer that start line of high pressure side coil winding was hit absolutely, insulating skeleton includes the skeleton main part, be provided with at least three baffle in the skeleton main part, form coil winding position between two adjacent baffles, it is protruding to be equipped with first installation arch and second installation on two baffles in the axial direction outside respectively, it is first, the correspondence is equipped with the binding needle in the second installation arch, it is provided with in the high pressure side binding needle department that corresponds with the start line of high pressure side coil winding in the first installation arch and runs through the bellied wire casing of first installation, this wire casing sets up with the axial direction slope of skeleton main part, so that the cell wall of wire casing keeps apart above-mentioned start line and the two of high pressure side coil winding. The obliquely arranged wire grooves enable the starting line of the high-voltage side coil winding to be shielded by the groove walls of the wire grooves, so that the dielectric constant between the starting line and the high-voltage side coil winding is increased by the groove walls, and the starting line of the high-voltage side coil winding is not easy to break.
Description
Technical Field
The utility model relates to a transformer field, concretely relates to prevent insulating skeleton and transformer that the initiating line of high-pressure side coil winding was hit absolutely.
Background
The transformer comprises an insulating framework, at least three partition plates are arranged on the insulating framework at intervals, a coil winding position is formed between every two adjacent partition plates, the coil winding is divided into a low-voltage side coil winding and a high-voltage side coil winding, and mounting wiring pins for mounting bulges are arranged on the two partition plates on the outermost side. In practical use, the start line of the high-voltage side coil winding is often broken, especially at high voltage. Through in-depth analysis, the shaft side of the high-voltage side coil winding is not protected by any insulation even though the insulation tape is arranged outside the high-voltage side coil winding, and particularly, when the high-voltage side coil winding is at a high voltage, the number of turns of the high-voltage side coil winding is large, so that the insulation capacity between the shaft side of the high-voltage side coil winding and the starting line of the high-voltage side coil winding is insufficient, and the starting line of the high-voltage side coil winding is broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an insulating framework for preventing the starting line of the high-voltage side coil winding from being broken; and simultaneously, the utility model aims at still providing an use above-mentioned insulating skeleton's transformer.
In order to achieve the above object, the utility model discloses a prevent insulating skeleton that high-pressure side coil winding's initiating line was hit absolutely adopts following technical scheme: prevent insulating skeleton that start line of high pressure side coil winding was hit absolutely, including the skeleton main part, be provided with at least three baffle along axial direction in the skeleton main part, form coil winding position between two adjacent baffles, correspond respectively on two baffles in the axial direction outside and be provided with first installation arch and second installation arch, be provided with high-pressure side wiring needle in the first installation arch, be provided with low pressure side wiring needle in the second installation arch, be provided with the bellied wire casing of first installation in the high pressure side wiring needle department that corresponds with the start line of high pressure side coil winding in the first installation arch, this wire casing sets up with the axial direction slope of skeleton main part to make the cell wall of wire casing keep apart above-mentioned start line and high pressure side coil winding the two.
And winding posts corresponding to the high-voltage side wiring needles are arranged on the axial side surface of the outer side of the first mounting protrusion.
The number of the partition plates is 4, and the number of the coil winding positions is three.
The utility model discloses a transformer adopts following technical scheme: the utility model provides a transformer, includes insulating skeleton, coil winding and iron core, and insulating skeleton includes the skeleton main part, is provided with at least three baffle along axial direction in the skeleton main part, forms coil winding position between two adjacent baffles, and it is protruding that the correspondence is provided with first installation arch and second installation on two baffles in the axial direction outside respectively, is provided with high-pressure side wiring needle in the first installation arch, is provided with low pressure side wiring needle in the second installation arch, be provided with in the high-pressure side wiring needle department that corresponds with the initiating line of high-pressure side coil winding in the first installation arch and run through the bellied wire casing of first installation, this wire casing sets up with the axial direction slope of skeleton main part to the cell wall that makes the wire casing keeps apart above-mentioned initiating line and the two of high pressure side coil winding.
And winding posts corresponding to the high-voltage side wiring needles are arranged on the axial side surface of the outer side of the first mounting protrusion.
The number of the partition plates is 4, and the number of the coil winding positions is three.
The utility model has the advantages that: the starting line of the high-voltage side coil winding can be shielded by the groove wall of the wire groove through the obliquely arranged wire groove, so that the dielectric constant between the starting line and the high-voltage side coil winding is increased by the groove wall, the starting line of the high-voltage side coil winding is not easy to break, and the service life of the transformer is greatly prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an insulating bobbin in an embodiment of a transformer according to the present invention;
fig. 2 is a schematic view of a winding structure of a start line of the high voltage side coil winding of fig. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
The utility model discloses an embodiment of transformer, as shown in fig. 1-fig. 3, including insulating skeleton, coil winding and iron core, insulating skeleton includes skeleton main part 1, is provided with four baffles 2 along the axial direction on the skeleton main part 1, forms coil winding position 3 between two adjacent baffles, and the quantity in coil winding position is 3 in this embodiment, forms the transformer insulation skeleton in multislot. Two clapboards at the outermost side in the axial direction are correspondingly provided with a first mounting bulge 4 and a second mounting bulge 6 respectively, the first mounting bulge is provided with a high-voltage side wiring needle 5, and the second mounting bulge is provided with a low-voltage side wiring needle 7. The first mounting protrusion is provided with a wire slot 8 which penetrates through the first mounting protrusion at a high-voltage side wiring needle corresponding to a starting wire of the high-voltage side coil winding, and the wire slot is obliquely arranged with the axial direction of the framework main body so that the starting wire and the high-voltage side coil winding are separated by the slot wall of the wire slot. And winding posts 9 corresponding to the high-voltage side wiring needles are arranged on the outer axial side surface of the first mounting protrusion.
When the transformer is used, the start line 10 of the high-voltage side coil winding passes through the obliquely arranged wire groove and is wound on the winding post and is finally wound on the wiring pin, and the obliquely arranged wire groove enables the start line of the high-voltage side coil winding to be shielded by the groove wall of the wire groove, so that the dielectric constant between the start line and the high-voltage side coil winding is increased by the groove wall, the start line of the high-voltage side coil winding is not easy to break, and the service life of the transformer is greatly prolonged.
The utility model discloses an in other embodiments, the quantity of baffle can be adjusted according to actual need, also can be for three, and the quantity of coil winding position is two this moment.
The utility model discloses an embodiment of insulating skeleton and the structure box of the insulating skeleton in each embodiment of above-mentioned transformer, this is no longer repeated.
Claims (6)
1. Prevent insulating skeleton that high pressure side coil winding's initiating line was hit absolutely, including the skeleton main part, be provided with at least three baffle along axial direction in the skeleton main part, form coil winding position between two adjacent baffles, correspond respectively on two baffles in the axial direction outside and be provided with first installation arch and second installation arch, be provided with high-pressure side wiring needle in the first installation arch, be provided with low pressure side wiring needle in the second installation arch, its characterized in that: the first mounting protrusion is provided with a wire slot which penetrates through the first mounting protrusion at a high-voltage side wiring needle corresponding to a starting wire of the high-voltage side coil winding, and the wire slot is obliquely arranged with the axial direction of the framework main body so that the starting wire and the high-voltage side coil winding are separated by the slot wall of the wire slot.
2. The insulating framework for preventing the start line of the high-voltage side coil winding from being broken by the impact according to claim 1, wherein: and winding posts corresponding to the high-voltage side wiring needles are arranged on the axial side surface of the outer side of the first mounting protrusion.
3. The insulating skeleton of claim 1 or 2, which prevents the start line of the high-voltage side coil winding from being broken, wherein: the number of the partition plates is 4, and the number of the coil winding positions is three.
4. The utility model provides a transformer, includes insulating skeleton, coil winding and iron core, and insulating skeleton includes the skeleton main part, is provided with at least three baffle along axial direction in the skeleton main part, forms coil winding position between two adjacent baffles, and it is protruding that two baffles in the axial direction outside correspond respectively on being provided with first installation arch and second installation arch, are provided with high-pressure side wiring needle in the first installation arch, are provided with low pressure side wiring needle in the second installation arch, its characterized in that: the first mounting protrusion is provided with a wire slot which penetrates through the first mounting protrusion at a high-voltage side wiring needle corresponding to a starting wire of the high-voltage side coil winding, and the wire slot is obliquely arranged with the axial direction of the framework main body so that the starting wire and the high-voltage side coil winding are separated by the slot wall of the wire slot.
5. The transformer of claim 4, wherein: and winding posts corresponding to the high-voltage side wiring needles are arranged on the axial side surface of the outer side of the first mounting protrusion.
6. The transformer according to claim 4 or 5, wherein: the number of the partition plates is 4, and the number of the coil winding positions is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680861.4U CN214254089U (en) | 2021-04-02 | 2021-04-02 | Insulating framework capable of preventing starting line of high-voltage side coil winding from being broken by impact and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680861.4U CN214254089U (en) | 2021-04-02 | 2021-04-02 | Insulating framework capable of preventing starting line of high-voltage side coil winding from being broken by impact and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254089U true CN214254089U (en) | 2021-09-21 |
Family
ID=77728631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120680861.4U Active CN214254089U (en) | 2021-04-02 | 2021-04-02 | Insulating framework capable of preventing starting line of high-voltage side coil winding from being broken by impact and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254089U (en) |
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2021
- 2021-04-02 CN CN202120680861.4U patent/CN214254089U/en active Active
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