CN213459383U - Composite dry type transformer sleeve - Google Patents
Composite dry type transformer sleeve Download PDFInfo
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- CN213459383U CN213459383U CN202022735759.8U CN202022735759U CN213459383U CN 213459383 U CN213459383 U CN 213459383U CN 202022735759 U CN202022735759 U CN 202022735759U CN 213459383 U CN213459383 U CN 213459383U
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- epoxy resin
- resin main
- connecting flange
- silicon rubber
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Abstract
The utility model relates to a composite dry-type transformer bushing, which comprises a conductive rod, an epoxy resin main body, a connecting flange, a shielding system and a silicon rubber umbrella cover; the conducting rod is inserted on the central shaft of the epoxy resin main body, and two ends of the conducting rod are exposed out of the body; the connecting flange is fixed outside the epoxy resin main body; a shielding system is additionally arranged in the epoxy resin main body, and the shielding system is a cylindrical copper net and is connected with the connecting flange; and a silicon rubber umbrella cover is arranged outside the epoxy resin main body on one side of the connecting flange and used for encapsulating the epoxy resin main body. The utility model discloses simple structure, small, light in weight, appearance are pleasing to the eye, and long service life still can effectively avoid leading to the distribution facility operation accident that the product was punctured and arouses because of long-term discharge.
Description
Technical Field
The utility model relates to a transformer bushing insulator technical field, concretely relates to compound dry-type transformer bushing.
Background
The transformer bushing is a main insulation device outside the transformer box, and the outgoing lines of the transformer winding must penetrate through the insulation bushing to insulate the outgoing lines and the outgoing lines from the transformer shell, and meanwhile, the transformer bushing plays a role in fixing the outgoing lines. Most of the existing low-voltage transformer sleeves are pure ceramic sleeves, the electric field between the conductor and the insulating sleeve is not uniformly distributed, the corona discharge phenomenon is easily generated, the existing low-voltage transformer sleeves are in the state for a long time, the insulation aging of products can be accelerated, the service life of the products is reduced on one hand, the products can be punctured due to long-term discharge on the other hand, and therefore the running accidents of power distribution facilities can be caused, and the epoxy composite transformer sleeves can effectively solve the problems.
Disclosure of Invention
For solving current high voltage transformer sleeve pipe the problem, the utility model provides a long service life can effectively avoid leading to the compound dry-type transformer sleeve pipe that the product was punctured because of long-term discharge.
The utility model discloses above-mentioned purpose of insulator is realized through following technical scheme:
a composite dry-type transformer bushing comprises a conductive rod, an epoxy resin main body, a connecting flange, a shielding system and a silicon rubber umbrella cover; the conducting rod is inserted on the central shaft of the epoxy resin main body, and two ends of the conducting rod are exposed out of the body; the connecting flange is fixed outside the epoxy resin main body; a shielding system is additionally arranged in the epoxy resin main body, and the shielding system is a cylindrical copper net and is connected with the connecting flange; and a silicon rubber umbrella cover is arranged outside the epoxy resin main body on one side of the connecting flange and used for encapsulating the epoxy resin main body.
The main body of the epoxy resin is spindle-shaped.
The conducting rod and the epoxy resin main body are integrally formed.
The connecting flange is fixed at the position close to the middle part outside the epoxy resin main body.
The shielding system is arranged inside the position of the connecting flange, and the length of the shielding system is longer than the height of the connecting flange.
The silicon rubber umbrella cover consists of a large umbrella skirt and a small umbrella skirt.
The silicone rubber umbrella cover is made of synthetic silicone rubber vulcanized at high temperature.
The utility model has the advantages that: the novel power distribution device has the advantages of simple structure, small volume, light weight, attractive appearance, good pollution resistance, effective prevention of pollution flashover, long service life and capability of effectively avoiding power distribution facility operation accidents caused by breakdown of products due to long-term discharge.
Drawings
Fig. 1 is a schematic diagram of the composite dry-type transformer bushing structure of the present invention.
In the figure: the conductive rod comprises a conductive rod 1, an epoxy resin main body 2, a connecting flange 3, a shielding system 4 and a silicon rubber umbrella cover 5.
Detailed Description
As shown in fig. 1, a composite dry type transformer bushing includes a conductive rod 1, an epoxy resin main body 2, a connecting flange 3, a shielding system 4 and a silicone rubber umbrella cover 5. The epoxy resin main body 2 is spindle-shaped, is formed at high temperature by adopting an APG gel forming process, and plays a role in mechanical support of the main body and internal electrical insulation. The conducting rod 1 is inserted into the central shaft of the epoxy resin main body 2, and two ends of the conducting rod are exposed out of the body and are integrally formed with the epoxy resin main body 2. The connecting flange 3 is fixed at the position close to the middle part outside the epoxy resin main body 2 and plays a role in mechanical connection with the product main body and the outside. The shielding system 4 is additionally arranged in the epoxy resin main body 2, the shielding system 4 is a cylindrical copper net, is arranged in the position of the connecting flange 3, is longer than the connecting flange 3, and is connected with the connecting flange 3. The shielding system can improve the electric field distribution of the electric conductor and the connecting flange area and solve the corona discharge phenomenon. And a silicon rubber umbrella cover 5 consisting of large and small umbrella skirts is arranged outside the epoxy resin main body 2 on one side of the connecting flange 3, and the epoxy resin main body 2 is encapsulated by the silicon rubber umbrella cover 5. The silicon rubber umbrella cover 5 is formed by vulcanizing synthetic silicon rubber at high temperature and has good electrical insulation performance. The silicon rubber umbrella cover 5 is an outer insulation part of the product, has good aging resistance and hydrophobic performance, provides necessary creepage distance to ensure that the insulator has good pollution resistance, and effectively prevents pollution flashover.
Claims (7)
1. A composite dry-type transformer bushing comprises a conductive rod (1), an epoxy resin main body (2), a connecting flange (3), a shielding system (4) and a silicon rubber umbrella cover (5); the method is characterized in that: the conducting rod (1) is inserted on the central shaft of the epoxy resin main body (2), and two ends of the conducting rod are exposed out of the body; the connecting flange (3) is fixed outside the epoxy resin main body (2); a shielding system (4) is additionally arranged in the epoxy resin main body (2), and the shielding system (4) is a cylindrical copper net and is connected with the connecting flange (3); and a silicon rubber umbrella cover (5) is arranged outside the epoxy resin main body (2) on one side of the connecting flange (3), and the epoxy resin main body (2) is encapsulated by the silicon rubber umbrella cover (5).
2. The composite dry transformer bushing of claim 1, wherein: the epoxy resin main body (2) is spindle-shaped.
3. Composite dry-type transformer bushing according to claim 1 or 2, characterized in that: the conducting rod (1) and the epoxy resin main body (2) are integrally formed.
4. Composite dry-type transformer bushing according to claim 1 or 2, characterized in that: the connecting flange (3) is fixed at the position, close to the middle part, outside the epoxy resin main body (2).
5. The composite dry transformer bushing of claim 1, wherein: the shielding system (4) is arranged inside the position where the connecting flange (3) is located, and the length of the shielding system is longer than the height of the connecting flange (3).
6. The composite dry transformer bushing of claim 1, wherein: the silicon rubber umbrella cover (5) is composed of a large umbrella skirt and a small umbrella skirt.
7. Composite dry-type transformer bushing according to claim 1 or 6, characterized in that: the silicon rubber umbrella cover (5) is synthetic silicon rubber vulcanized at high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022735759.8U CN213459383U (en) | 2020-11-11 | 2020-11-11 | Composite dry type transformer sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022735759.8U CN213459383U (en) | 2020-11-11 | 2020-11-11 | Composite dry type transformer sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459383U true CN213459383U (en) | 2021-06-15 |
Family
ID=76303329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022735759.8U Active CN213459383U (en) | 2020-11-11 | 2020-11-11 | Composite dry type transformer sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459383U (en) |
-
2020
- 2020-11-11 CN CN202022735759.8U patent/CN213459383U/en active Active
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