CN219434912U - Maintenance interface design structure for high-voltage bushing end screen adapter - Google Patents
Maintenance interface design structure for high-voltage bushing end screen adapter Download PDFInfo
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- CN219434912U CN219434912U CN202320600879.8U CN202320600879U CN219434912U CN 219434912 U CN219434912 U CN 219434912U CN 202320600879 U CN202320600879 U CN 202320600879U CN 219434912 U CN219434912 U CN 219434912U
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- interface
- overhaul
- end screen
- screen adapter
- design structure
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- 238000013461 design Methods 0.000 title claims abstract description 13
- 238000012423 maintenance Methods 0.000 title claims description 7
- 238000012795 verification Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an overhaul interface design structure for a high-voltage bushing end screen adapter, and particularly relates to the field of power distribution automation. The utility model can ensure that the overhaul interface can carry out overhaul test without dismantling the end screen adapter after the installation of the sleeve body and the end screen adapter is completed, thus ensuring that the end screen adapter is not dismantled and reinstalled for each overhaul test, effectively preventing the sleeve end screen overhaul interface of the end screen adapter from being affected with damp or damaged possibly caused by the disassembly and reinstallation, further reducing overhaul links and ensuring the reliable operation of the sleeve body.
Description
Technical Field
The utility model relates to the technical field of power distribution automation, in particular to an overhaul interface design structure for a high-voltage bushing end screen adapter.
Background
The high-voltage bushing is easy to be influenced by high dielectric and thermal stress to cause faults, and if the high-voltage bushing breaks down, the faults are generally serious, such as causing serious hazard such as fire disaster and the like, so that the high-voltage bushing is forced to be stopped, and therefore, the on-line monitoring of the high-voltage bushing is an indispensable part of an on-line monitoring system of the core power equipment. At present, the insulation condition of the bushing is generally judged according to the technical means of the bushing dielectric loss such as a tangent value, a capacitance, an insulation resistance, bushing body dielectric loss, high-frequency partial discharge and the like.
The high-voltage bushing end screen adapter (end screen adapter for short) is used for on-line monitoring of the state of the capacitive high-voltage bushing equipment, and mainly achieves two functions, namely ensuring reliable grounding after the bushing body is connected with the end screen adapter, and prolonging the grounding wire of the bushing body so as to be used for correctly collecting leakage current or high-frequency signals of the bushing body by a power frequency or high-frequency current sensor. However, since the transformer needs to perform necessary tests during maintenance in order to test whether the state of the sleeve meets the operation requirement in the working process, the common end screen adapter must be disassembled and reinstalled after the test is finished during the maintenance test, which may cause the problem that the tap seat of the end screen test is wetted or damaged.
Disclosure of Invention
The utility model aims to provide an overhaul interface design structure for a high-voltage bushing end screen adapter, which aims to solve the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an overhaul interface design structure for high tension bushing end screen adapter, includes end screen adapter body and overhaul interface, the inside one end of end screen adapter body is located to overhaul the interface and is connected with central bar copper through the change piece, the outside of overhaul the interface is provided with overhaul the interface cover, one side of overhaul the interface is provided with the ground connection and verifies the interface, the outside joint of ground connection verification interface has the ground connection to verify the interface cover.
In a preferred embodiment, the end screen adapter body is arranged in a cylindrical structure, and the overhaul interface is arranged on the end plane of the end screen adapter body, so that the overhaul interface and the overhaul interface cover are convenient to install and use.
In a preferred embodiment, the overhaul interface cover is in threaded connection with the end screen adapter body, a compression spring piece is arranged on the inner side wall of the overhaul interface cover, and the compression spring piece can enable the overhaul interface cover to be in tight connection with the overhaul interface so as to ensure that the earthing is good.
In a preferred embodiment, the bottom of the overhaul interface cover is provided with an annular groove, an annular sealing ring is arranged inside the annular groove, and the arrangement of the annular sealing ring can prevent looseness and seal to ensure that the overhaul interface is waterproof, dustproof and loose-proof.
In a preferred embodiment, the overhaul port and the overhaul port cover are made of conductive metal materials, and the overhaul port cover are made of metal conductive materials, so that a good grounding effect can be achieved.
In a preferred embodiment, the lower extreme outside of access interface cover is provided with the external screw thread, be provided with on the end screen adapter body with external screw thread assorted internal screw thread, the setting of internal screw thread and external screw thread is convenient to overhaul the installation and the dismantlement of interface cover.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the overhaul interface and the grounding verification interface are arranged on the end screen adapter body, so that overhaul tests can be carried out under the condition that the end screen adapter is not disassembled, the technical problem that the end screen test tap seat is wetted or damaged due to disassembly and reinstallation of the end screen adapter in the conventional overhaul test state of the transformer can be solved, the end screen adapter can be ensured not to be disassembled and reinstalled due to each overhaul test, and the end screen adapter can be effectively prevented from being wetted or damaged due to the disassembly and reinstallation of the end screen adapter, so that the reliable operation of the sleeve body is ensured by reducing overhaul links; and be provided with compress tightly spring leaf and ring seal on the access interface lid, can make access interface lid and access interface contact effect better, can realize waterproof dustproof anti-loosening's purpose.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the disassembled structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic cross-sectional view of the service interface of the present utility model.
In the figure: 1. a last screen adapter body; 2. an overhaul interface; 3. a transfer sheet; 4. an overhaul interface cover; 5. a ground verification interface; 6. a ground verification interface cover; 7. a compression spring piece; 8. and (5) an annular sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides an overhaul interface design structure for a high-voltage bushing end screen adapter, which comprises an end screen adapter body 1 and an overhaul interface 2, wherein one end of the overhaul interface 2 positioned in the end screen adapter body 1 is connected with a central copper bar through a switching sheet 3, an overhaul interface cover 4 is arranged on the outer side of the overhaul interface 2, a ground verification interface 5 is arranged on one side of the overhaul interface 2, and a ground verification interface cover 6 is clamped on the outer side of the ground verification interface 5.
In a preferred embodiment, the end screen adapter body 1 is arranged in a cylindrical structure, and the overhaul interface 2 is arranged on the end plane of the end screen adapter body 1, so that the end plane of the end screen adapter body 1 is convenient for installing the overhaul interface 2.
In a preferred embodiment, the overhaul interface cover 4 is in threaded connection with the end screen adapter body 1, a compression spring piece 7 is arranged on the inner side wall of the overhaul interface cover 4, and the compression spring piece 7 is arranged to facilitate the overhaul interface cover 4 to be attached to the overhaul interface 2, so that the tight connection ensures that the grounding is good.
In a preferred embodiment, the bottom of the overhaul interface cover 4 is provided with an annular groove, an annular sealing ring 8 is arranged inside the annular groove, and the arrangement of the annular sealing ring 8 can ensure that the overhaul interface 2 is waterproof, dustproof and loose-proof.
In a preferred embodiment, the service interface 2 and the service interface cover 4 are made of conductive metal materials, and the service interface 2 and the service interface cover 4 made of metal materials can achieve good grounding effect.
In a preferred embodiment, the lower extreme outside of access port cover 4 is provided with the external screw thread, be provided with on the end screen adapter body 1 with external screw thread assorted internal screw thread, the setting of internal screw thread and external screw thread makes things convenient for the installation and the dismantlement of access port cover 4.
When the overhaul interface cover 4 is particularly used for protecting the overhaul interface 2, the bottom end of the overhaul interface cover 4 is screwed and rotated to be connected with the end screen adapter body 1, the annular sealing ring 8 is in contact with the end screen adapter body 1 after being in threaded connection, so that the aim of preventing water, dust and loosening is fulfilled, moreover, the compaction spring piece 7 can enable the overhaul interface cover 4 to be tightly connected with the overhaul interface 2 to ensure that the earthing is good, and the overhaul interface cover 4 is unscrewed when the overhaul interface cover is used, and the overhaul of the end screen adapter body 1 is realized by using the overhaul interface 2; and be provided with compress tightly spring leaf and ring seal on the access interface lid, can make access interface lid and access interface contact effect better, can realize waterproof dustproof anti-loosening's purpose.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an overhaul interface design structure for adapter is shielded to high tension bushing end, includes end shield adapter body (1) and overhauls interface (2), overhaul interface (2) are located the inside one end of end shield adapter body (1) and are connected its characterized in that through adapter piece (3) and central bar copper: the outside of maintenance interface (2) is provided with maintenance interface cover (4), one side of maintenance interface (2) is provided with ground connection and verifies interface (5), the outside joint of ground connection verification interface (5) has ground connection to verify interface cover (6).
2. A service interface design structure for a high voltage bushing end screen adapter according to claim 1, characterized in that: the end screen adapter body (1) is in a cylindrical structure, and the overhaul interface (2) is arranged on the tail end plane of the end screen adapter body (1).
3. A service interface design structure for a high voltage bushing end screen adapter according to claim 1, characterized in that: the overhaul interface cover (4) is connected with the end screen adapter body (1) through threads, and a compression spring piece (7) is arranged on the inner side wall of the overhaul interface cover (4).
4. A service interface design structure for a high voltage bushing end screen adapter according to claim 3, characterized in that: the bottom of access cover (4) is provided with the ring channel, ring channel inside is provided with annular sealing washer (8).
5. A service interface design structure for a high voltage bushing end screen adapter according to claim 1, characterized in that: the overhaul interface (2) and the overhaul interface cover (4) are made of conductive metal materials.
6. A service interface design structure for a high voltage bushing end screen adapter according to claim 3, characterized in that: the outer side of the lower end of the overhaul interface cover (4) is provided with external threads, and the end screen adapter body (1) is provided with internal threads matched with the external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600879.8U CN219434912U (en) | 2023-03-24 | 2023-03-24 | Maintenance interface design structure for high-voltage bushing end screen adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600879.8U CN219434912U (en) | 2023-03-24 | 2023-03-24 | Maintenance interface design structure for high-voltage bushing end screen adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219434912U true CN219434912U (en) | 2023-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320600879.8U Active CN219434912U (en) | 2023-03-24 | 2023-03-24 | Maintenance interface design structure for high-voltage bushing end screen adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219434912U (en) |
-
2023
- 2023-03-24 CN CN202320600879.8U patent/CN219434912U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gong Liqun Inventor after: Li Jian Inventor after: Xu Weida Inventor after: Ye Yuan Inventor after: Hu Jinzhong Inventor before: Gong Liqun Inventor before: Li Jian Inventor before: Xu Weida Inventor before: Ye Yuan Inventor before: Hu Jinzhong |