CN220290617U - Transformer oil air insulation sleeve - Google Patents
Transformer oil air insulation sleeve Download PDFInfo
- Publication number
- CN220290617U CN220290617U CN202321423841.4U CN202321423841U CN220290617U CN 220290617 U CN220290617 U CN 220290617U CN 202321423841 U CN202321423841 U CN 202321423841U CN 220290617 U CN220290617 U CN 220290617U
- Authority
- CN
- China
- Prior art keywords
- capacitor core
- insulating
- main flange
- sealing ring
- shaped sealing
- 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.)
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Links
- 238000009413 insulation Methods 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model provides a transformer oil air insulating sleeve device which comprises an upper terminal, a conducting rod, a lower terminal, a sealing gasket, a capacitor core, a main flange, insulating oil, insulating rubber, an outer porcelain sleeve and an O-shaped sealing ring, wherein the upper terminal is connected with the lower terminal through the conducting rod; the main flange and the capacitor core are bonded and sealed by insulating glue, an outer porcelain sleeve is arranged between the main flange and the sealing gasket, and insulating rubber is filled between the outer porcelain sleeve and the capacitor core; an O-shaped sealing ring is arranged below the main flange and is in sealing fit with the capacitor core, and insulating oil is filled below the O-shaped sealing ring. According to the utility model, the outer porcelain sleeve is arranged outside the capacitor core, and the insulating rubber is arranged between the outer porcelain sleeve and the capacitor core, so that the structure between the conductive rod and the porcelain sleeve is not damaged even if the main flange vibrates, and the reliability is high; and moreover, the O-shaped sealing ring which is in sealing fit with the capacitor core is arranged on the lower surface of the main flange, and insulating oil can be contacted with external air only through the O-shaped sealing ring, insulating glue between the main flange and the capacitor core and gaps between the outer porcelain sleeve and the main flange, so that the sealing performance is good.
Description
Technical Field
The utility model relates to an air insulation sleeve of transformer oil.
Background
The transformer bushing is an insulating device for leading the winding out of the transformer, and when the transformer is connected with an overhead wire, an oil-air bushing is required to be configured. At present, a transformer bushing generally adopts a glue dipping paper dry mode or an oil filling mode. For some transformers arranged in places where periodic vibration exists, such as a tail water platform of a hydropower station, a high-speed rail station and the like, a dry sleeve is easy to crack to cause insulation damage, an oil-filled sleeve is difficult to seal, moisture is easy to suck to cause insulation oil degradation, and therefore a sleeve capable of coping with the vibration environment needs to be studied.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an air insulating sleeve of transformer oil, which can ensure the sealing performance and is easy to realize. For this purpose, the utility model adopts the following technical scheme:
the transformer oil air insulating sleeve device comprises an upper terminal, a conductive rod, a lower terminal, a sealing gasket, a capacitor core, a main flange and insulating oil, wherein the upper terminal is connected with the upper end of the conductive rod, the lower end of the conductive rod is connected with the lower terminal, the sealing gasket is arranged at the outer edge of the connection between the upper terminal and the conductive rod, the capacitor core is arranged at the outer diameter of the conductive rod, is sleeved outside the conductive rod and penetrates through the main flange, and the main flange is arranged at the lower half part of the capacitor core; the insulation sleeve device is characterized by further comprising insulation rubber, an outer porcelain sleeve and an O-shaped sealing ring; the main flange and the capacitor core are bonded and sealed by insulating glue, an outer porcelain sleeve is arranged between the main flange and the sealing gasket outside the capacitor core, and insulating rubber is filled between the outer porcelain sleeve and the capacitor core; an O-shaped sealing ring is arranged below the main flange and is in sealing fit with the capacitor core, and insulating oil is filled below the O-shaped sealing ring.
Further, insulating oil below the O-shaped sealing ring is communicated with transformer insulating oil.
Further, the O-shaped sealing ring is bonded to the lower surface of the main flange, and the outer diameter of the O-shaped sealing ring is larger than the range of insulating oil.
Further, the insulating rubber is sleeved outside the capacitor core and is also in sealing fit with the upper surface of the main flange.
According to the utility model, the outer porcelain sleeve is arranged outside the capacitor core and the insulating rubber is arranged between the outer porcelain sleeve and the capacitor core, and the insulating rubber has certain elasticity, so that the structure between the conductive rod and the porcelain sleeve is not damaged even if the main flange vibrates, and the reliability is high; and moreover, the O-shaped sealing ring which is in sealing fit with the capacitor core is arranged on the lower surface of the main flange, and insulating oil can be contacted with external air only through the O-shaped sealing ring, insulating glue between the main flange and the capacitor core and gaps between the outer porcelain sleeve and the main flange, so that the sealing performance is good.
Drawings
The utility model will be further described with reference to the drawings and detailed description.
FIG. 1 is a cross-sectional view of an embodiment of the present utility model;
fig. 2 is a top view of an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
Reference is made to the accompanying drawings. The utility model provides an air insulating sleeve device for transformer oil, which comprises an upper terminal 1, a conducting rod 2, a lower terminal 3, a sealing gasket 4, an outer porcelain sleeve 5, a capacitor core 6, insulating rubber 7, an O-shaped sealing ring 8, a main flange 9 and insulating oil 10. The upper terminal 1 is connected with the conducting rod 2, and the other end of the conducting rod 2 is connected with the lower terminal 3; a sealing gasket 4 is arranged at the outer edge of the connection between the upper terminal 1 and the conductive rod 2; the outer diameter of the conducting rod 2 is provided with a capacitor core 6, and the capacitor core 6 is sleeved outside the conducting rod and penetrates through the main flange 9; the main flange 9 is arranged at the lower half part of the capacitor core 6, is bonded and sealed with the capacitor core 6 by insulating glue, an outer porcelain sleeve 5 is arranged between the main flange 9 and the sealing gasket 4 outside the capacitor core 6, and insulating rubber 7 is filled between the outer porcelain sleeve 5 and the capacitor core 6; an O-shaped sealing ring 8,O type sealing ring 8 is arranged below the main flange 9 and is in sealing fit with the capacitor core, and insulating oil 10 communicated with insulating oil of the transformer is filled below the O-shaped sealing ring 8.
The O-shaped sealing ring 8 is bonded to the lower surface of the main flange 9, and the outer diameter of the O-shaped sealing ring 8 is larger than the insulating oil range.
Further, the insulating rubber 7 is sleeved outside the capacitor core 6 and is also in sealing fit with the upper surface of the main flange.
The main flange 9 is provided with bolt holes and is fixed on the transformer shell, and the material is an insulating material, and can be epoxy resin or a composite insulating material.
The foregoing is merely illustrative of specific embodiments of this utility model and is not intended to limit the scope of the utility model, but it is to be construed as limited to only those equivalent changes and modifications which will occur to those skilled in the art without departing from the spirit and principles of the utility model as defined in the appended claims.
Claims (4)
1. The transformer oil air insulating sleeve device comprises an upper terminal, a conductive rod, a lower terminal, a sealing gasket, a capacitor core, a main flange and insulating oil, wherein the upper terminal is connected with the upper end of the conductive rod, the lower end of the conductive rod is connected with the lower terminal, the sealing gasket is arranged at the outer edge of the connection between the upper terminal and the conductive rod, the capacitor core is arranged at the outer diameter of the conductive rod, is sleeved outside the conductive rod and penetrates through the main flange, and the main flange is arranged at the lower half part of the capacitor core; the insulation sleeve device is characterized by further comprising insulation rubber, an outer porcelain sleeve and an O-shaped sealing ring; the main flange and the capacitor core are bonded and sealed by insulating glue, an outer porcelain sleeve is arranged between the main flange and the sealing gasket outside the capacitor core, and insulating rubber is filled between the outer porcelain sleeve and the capacitor core; an O-shaped sealing ring is arranged below the main flange and is in sealing fit with the capacitor core, and insulating oil is filled below the O-shaped sealing ring.
2. A transformer oil air insulating sleeve device as claimed in claim 1, wherein insulating oil below the O-ring is in communication with transformer insulating oil.
3. The transformer oil air insulating sleeve device according to claim 1, wherein the O-shaped sealing ring is adhered to the lower surface of the main flange, and the outer diameter of the O-shaped sealing ring is larger than the range of insulating oil.
4. A transformer oil air insulating sleeve device as recited in claim 1 wherein said insulating rubber is wrapped around said capacitor core and is also in sealing engagement with the upper surface of said main flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321423841.4U CN220290617U (en) | 2023-06-06 | 2023-06-06 | Transformer oil air insulation sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321423841.4U CN220290617U (en) | 2023-06-06 | 2023-06-06 | Transformer oil air insulation sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220290617U true CN220290617U (en) | 2024-01-02 |
Family
ID=89335845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321423841.4U Active CN220290617U (en) | 2023-06-06 | 2023-06-06 | Transformer oil air insulation sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220290617U (en) |
-
2023
- 2023-06-06 CN CN202321423841.4U patent/CN220290617U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |