CN220691857U - Magnetic shielding device for transformer oil tank - Google Patents
Magnetic shielding device for transformer oil tank Download PDFInfo
- Publication number
- CN220691857U CN220691857U CN202321811332.9U CN202321811332U CN220691857U CN 220691857 U CN220691857 U CN 220691857U CN 202321811332 U CN202321811332 U CN 202321811332U CN 220691857 U CN220691857 U CN 220691857U
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- Prior art keywords
- plate
- shielding
- magnetic shielding
- transformer
- shield plate
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- 239000003921 oil Substances 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 8
- 230000005389 magnetism Effects 0.000 description 5
- 230000002730 additional effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model belongs to the technical field of magnetic shielding of transformer oil tanks, in particular to a magnetic shielding device for a transformer oil tank, which comprises a transformer oil tank main body, wherein an installation clamping groove is formed in the outer side of the transformer oil tank main body, an installation bottom plate is arranged at the bottom of the transformer oil tank main body, a magnetic shielding mechanism is arranged on the transformer oil tank main body, a limiting piece is arranged on the inner wall of the magnetic shielding mechanism, the magnetic shielding mechanism comprises a first shielding plate, a second shielding plate and a first protection shielding plate, a connecting assembly is arranged between the first shielding plate and the second shielding plate, and an outer frame is arranged on the first protection shielding plate. According to the utility model, the clamping groove, the magnetic shielding mechanism, the limiting piece, the first shielding plate, the second shielding plate, the first protection shielding plate and the buffer spring are arranged, so that the whole shielding mechanism is more convenient to install, no additional fixing piece is needed, the operation is convenient, the magnetic shielding effect of transformer equipment is ensured, the effect of slowly releasing external force can be achieved, and the functionality of the magnetic shielding mechanism can be improved.
Description
Technical Field
The utility model relates to the technical field of magnetic shielding of transformer oil tanks, in particular to a magnetic shielding device for a transformer oil tank.
Background
In a transformer, a magnetic shielding device is usually arranged on the inner tank wall of a large-sized transformer, so that when leakage magnetic flux generated by a transformer winding flows through the tank wall of a transformer oil tank, the tank wall of the transformer oil tank is locally overheated, the normal operation of the transformer is affected, and a large potential safety hazard exists, and therefore, the inner wall of the oil tank of the transformer is close to the winding part and adopts the magnetic shielding structure.
The prior art has the following problems:
when the magnetic shielding device for the transformer oil tank in the prior art is arranged on the transformer oil tank, the whole installation structure is complex, the operation is inconvenient, and the current magnetic shielding device for the transformer oil tank has only a magnetic shielding effect, so that the additional effect of the transformer oil tank is single, and the whole functionality can be further improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the magnetic shielding device for the transformer oil tank, which solves the problems that the whole installation structure is complex, the operation is inconvenient, the magnetic shielding effect of the current magnetic shielding device for the transformer oil tank is only that the additional effect of the transformer oil tank is single, and the whole functionality can be further improved when the magnetic shielding device existing at present is installed on the transformer oil tank.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a magnetic shielding device for transformer tank, includes transformer tank main part, the mounting draw-in groove has been seted up in the transformer tank main part outside, transformer tank main part bottom is provided with mounting plate, be provided with magnetic shielding mechanism in the transformer tank main part, magnetic shielding mechanism inner wall is provided with the limiting piece, magnetic shielding mechanism includes first shield plate, second shield plate, first protection shield plate, be provided with the linking subassembly between first shield plate, the second shield plate, be provided with the frame on the first protection shield plate, be provided with buffer spring between first protection shield plate and the second shield plate, the mounting plate has seted up the mounting plate, be provided with bottom shield plate in the mounting plate, transformer tank main part top is provided with the top shield plate, be provided with the second protection shield plate on the top shield plate, first shield plate includes the silicon steel sheet.
As a preferred technical scheme of the utility model: the transformer oil tank is characterized in that the mounting groove is matched with the transformer oil tank main body, the same mounting clamping groove is formed in the top shielding plate, and a limiting piece which is longer than the limiting condition of the inner side of the magnetic shielding mechanism is arranged at the top of the transformer oil tank main body.
As a preferred technical scheme of the utility model: the limiting piece is specifically made of rubber and is matched with the mounting clamping groove, and the limiting piece is mounted on the inner side of the first shielding plate.
As a preferred technical scheme of the utility model: the connecting assembly is provided with a plurality of groups, and two ends of the connecting assembly are fixedly connected to the first shielding plate and the second shielding plate respectively.
As a preferred technical scheme of the utility model: damping parts are arranged at two ends of the buffer springs, the buffer springs are in a plurality of groups, and the two ends of the buffer springs are respectively and fixedly arranged between the second shielding plate and the first protection shielding plate.
As a preferred technical scheme of the utility model: the first protection shielding plates are four groups in total and are matched with the outer frame, and the mounting structure of the second protection shielding plates is consistent with that of the first protection shielding plates.
As a preferred technical scheme of the utility model: the two groups of silicon steel sheets are combined to form a first shielding plate, and the composition structures of a second shielding plate of the first shielding plate, a first protection shielding plate, a bottom shielding plate and a top shielding plate are consistent.
Compared with the prior art, the utility model provides the magnetic shielding device for the transformer oil tank, which has the following beneficial effects:
this magnetic shielding device for transformer tank, through setting up installation draw-in groove, magnetism shielding mechanism, the restriction piece, first shield plate, the second shield plate, first protection shield plate, buffer spring, the restriction piece will support in the installation draw-in groove, thereby the position of restriction magnetism shielding mechanism, whole shielding mechanism installs more conveniently, do not need other mounting, convenient operation, first shield plate in the magnetism shielding mechanism, the second shield plate, first protection shield plate will play the magnetic shielding effect simultaneously, ensure transformer equipment's magnetic shielding effect, and after magnetism shielding mechanism installs, external force acts on transformer tank main part, impact can preferentially act on first protection shield plate, afterwards first protection shield plate atress and transfer buffer spring, buffer spring cooperation both ends's damping structure can reach good buffering effect, can reach the effect of slowly-releasing external force, second protection shield plate on the top shield plate is the same, can promote magnetism shielding mechanism's functional.
Drawings
FIG. 1 is a schematic view of the overall disassembly of the present utility model;
FIG. 2 is a schematic view showing an internal structure of a magnetic shielding mechanism of the present utility model;
FIG. 3 is a schematic view of the mounting base plate structure of the present utility model;
fig. 4 is a schematic view of a first shielding plate assembly structure according to the present utility model.
In the figure: 1. a transformer tank body; 2. installing a clamping groove; 3. a mounting base plate; 4. a magnetic shielding mechanism; 5. a restriction member; 6. a first shielding plate; 7. a second shielding plate; 8. a joining assembly; 9. an outer frame; 10. a first protective shield plate; 11. a buffer spring; 12. a mounting groove; 13. a bottom shielding plate; 14. a second protective shield plate; 15. a top shield plate; 16. and a silicon steel sheet.
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 to 4, in the present embodiment: the utility model provides a magnetic shielding device for transformer tank, including transformer tank main part 1, mounting clamping groove 2 has been seted up in the transformer tank main part 1 outside, transformer tank main part 1 bottom is provided with mounting plate 3, be provided with magnetic shielding mechanism 4 on the transformer tank main part 1, magnetic shielding mechanism 4 inner wall is provided with limiting piece 5, magnetic shielding mechanism 4 includes first shield plate 6, second shield plate 7, first protection shield plate 10, be provided with linking subassembly 8 between first shield plate 6, second shield plate 7, be provided with frame 9 on the first protection shield plate 10, be provided with buffer spring 11 between first protection shield plate 10 and the second shield plate 7, mounting plate 12 has been seted up on the mounting plate 3, be provided with bottom shield plate 13 in the mounting plate 12, transformer tank main part 1 top is provided with top shield plate 15, be provided with second protection shield plate 14 on the top shield plate 15, first shield plate 6 includes silicon steel sheet 16.
In the embodiment, the mounting groove 12 is matched with the transformer oil tank main body 1; the limiting piece 5 is specifically made of rubber and is matched with the mounting clamping groove 2, the same mounting clamping groove 2 is formed in the top shielding plate 15, the longer limiting piece 5 compared with the limiting piece 5 on the inner side of the magnetic shielding mechanism 4 is arranged at the top of the transformer tank main body 1, the limiting piece 5 is mounted on the inner side of the first shielding plate 6, and the magnetic shielding mechanism 4 and the top shielding plate 15 can be conveniently mounted through the limiting piece 5 and the mounting clamping groove 2; the connecting components 8 are in a plurality of groups, two ends of the connecting components 8 are fixedly connected to the first shielding plate 6 and the second shielding plate 7 respectively, and the first shielding plate 6 and the second shielding plate 7 can be conveniently connected through the connecting components 8; damping pieces are arranged at two ends of the buffer springs 11, the buffer springs 11 are in a plurality of groups, two ends of the buffer springs 11 are respectively and fixedly arranged between the second shielding plate 7 and the first protection shielding plate 10, and the buffer springs 11 are matched with the first protection shielding plate 10 to achieve the effect of releasing external force; four groups of first protective shielding plates 10 are matched with the outer frame 9, and the mounting structure of the second protective shielding plates 14 is consistent with that of the first protective shielding plates 10; the two groups of silicon steel sheets 16 are combined to form the first shielding plate 6, and the first shielding plate 6, the second shielding plate 7, the first protection shielding plate 10, the bottom shielding plate 13 and the top shielding plate 15 have the same composition structure.
The working principle and the using flow of the utility model are as follows: in the in-service use, with transformer tank main part 1 fixed mounting in mounting groove 12, make contact between bottom shield 13 and the transformer tank main part 1, afterwards install transformer tank main part 1 through mounting plate 3 in suitable position and with corresponding transformer between can, establish the outside at transformer tank main part 1 with magnetic shielding mechanism 4 fixed mounting, make rubber material's limiter 5 corresponding the place in mounting draw-in groove 2 simultaneously, rubber material's limiter 5 will support in mounting draw-in groove 2, thereby restrict the position of magnetic shielding mechanism 4, then cover top shield 15 on the top of transformer tank main part 1, and simultaneously, the limiter 5 at transformer tank main part 1 top will block on mounting draw-in groove 2 on top shield 15, thereby make top shield 15 obtain the installation, whole shielding mechanism installs more conveniently, do not need other mounting, convenient operation, first shield 6 in the magnetic shielding mechanism 4, second shield 7, first protection shield 10 will play the magnetic shielding effect simultaneously, transformer oil equipment's magnetic shielding effect, and after the installation of magnetic shielding mechanism 4 guarantee, first shielding mechanism 1 can be under the effect of first buffer layer, can reach the impact force on the first buffer layer of buffer layer 11, can reach the buffer effect of buffer layer 11 when the first buffer layer of buffer layer 1, can reach the external force of buffer layer 11, and the buffer effect of buffer layer is reached, can reach the top shield 11.
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 (7)
1. The utility model provides a magnetic shielding device for transformer tank, its characterized in that, including transformer tank main part (1), install draw-in groove (2) have been seted up in transformer tank main part (1) outside, transformer tank main part (1) bottom is provided with mounting plate (3), be provided with magnetic shielding mechanism (4) on transformer tank main part (1), magnetic shielding mechanism (4) inner wall is provided with finite piece (5), magnetic shielding mechanism (4) include first shield plate (6), second shield plate (7), first protection shield plate (10), be provided with linking subassembly (8) between first shield plate (6), second shield plate (7), be provided with frame (9) on first protection shield plate (10), be provided with buffer spring (11) between first protection shield plate (10) and second shield plate (7), mounting plate (12) have been seted up on mounting plate (3), be provided with bottom shield plate (13) in mounting plate (12), transformer tank main part (1) top is provided with top shield plate (15), be provided with on second shield plate (14) steel sheet (16).
2. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: the transformer oil tank is characterized in that the mounting groove (12) is matched with the transformer oil tank main body (1), the same mounting clamping groove (2) is formed in the top shielding plate (15), and a longer limiting piece (5) compared with the limiting piece (5) on the inner side of the magnetic shielding mechanism (4) is arranged at the top of the transformer oil tank main body (1).
3. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: the limiting piece (5) is specifically made of rubber and is matched with the mounting clamping groove (2), and the limiting piece (5) is mounted on the inner side of the first shielding plate (6).
4. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: the connecting components (8) share a plurality of groups, and two ends of the connecting components (8) are fixedly connected to the first shielding plate (6) and the second shielding plate (7) respectively.
5. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: damping pieces are arranged at two ends of the buffer springs (11), the buffer springs (11) share a plurality of groups, and two ends of the buffer springs (11) are respectively and fixedly arranged between the second shielding plate (7) and the first protection shielding plate (10).
6. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: the first protective shielding plates (10) are four groups in total and are matched with the outer frame (9), and the mounting structure of the second protective shielding plates (14) is consistent with that of the first protective shielding plates (10).
7. A magnetic shielding device for a transformer tank as claimed in claim 1, wherein: the two groups of silicon steel sheets (16) are combined to form a first shielding plate (6), and the composition structures of a second shielding plate (7), a first protection shielding plate (10), a bottom shielding plate (13) and a top shielding plate (15) of the first shielding plate (6) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811332.9U CN220691857U (en) | 2023-07-11 | 2023-07-11 | Magnetic shielding device for transformer oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811332.9U CN220691857U (en) | 2023-07-11 | 2023-07-11 | Magnetic shielding device for transformer oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220691857U true CN220691857U (en) | 2024-03-29 |
Family
ID=90403967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321811332.9U Active CN220691857U (en) | 2023-07-11 | 2023-07-11 | Magnetic shielding device for transformer oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220691857U (en) |
-
2023
- 2023-07-11 CN CN202321811332.9U patent/CN220691857U/en active Active
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