CN220753199U - Low-voltage bushing seat and transformer - Google Patents
Low-voltage bushing seat and transformer Download PDFInfo
- Publication number
- CN220753199U CN220753199U CN202322427656.9U CN202322427656U CN220753199U CN 220753199 U CN220753199 U CN 220753199U CN 202322427656 U CN202322427656 U CN 202322427656U CN 220753199 U CN220753199 U CN 220753199U
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- oil tank
- low
- low pressure
- hexagonal
- transformer
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- 238000009434 installation Methods 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 19
- 238000003032 molecular docking Methods 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims 2
- 230000013011 mating Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The application discloses low pressure bushing seat, including the pedestal, the pedestal is including connecting portion, installation department and operating means, and wherein connecting portion sets up at the pedestal rear, and connecting portion are connected with the hexagon oil tank through the welding, and connecting portion is including last connecting portion, lower connecting portion and side connecting portion, and last connecting portion sets up to trapezoidal opening, and trapezoidal opening is used for interfacing with the minor face of hexagon oil tank; the installation part is arranged in front of the seat body, the installation part is provided with an installation hole, and the low-voltage sleeve penetrates into the hexagonal oil tank from the installation hole to be connected; the operating part is arranged above the mounting part, a hand hole is formed in the operating part, and a cover plate for covering the hand hole is arranged on the operating part. The application also discloses a transformer of using above-mentioned low pressure bushing seat, uses above-mentioned low pressure bushing seat, can set up the low pressure sleeve pipe on the short side of hexagon oil tank, makes low pressure sleeve pipe and install the high pressure sleeve pipe on the long side relatively, has solved the sleeve pipe angle problem that the hexagon oil tank exists.
Description
Technical Field
The application relates to the field of transformers, in particular to a low-voltage bushing seat and a transformer using the same.
Background
Transformers are important components in power transmission and transformation equipment of a power grid, and in some application occasions, the purpose of convenient operation or material saving is achieved by arranging transformer bushings on the side surfaces. However, in the case of the three-dimensional wound core transformer, the oil tank used is mostly a hexagonal oil tank. When the hexagonal oil tank is used, according to the structure that the long sides and the short sides of the existing hexagonal oil tank are alternately arranged, the opposite sides of the long sides are short sides. The structure of the existing transformer bushing is that the existing transformer bushing cannot be matched with the short side of the hexagonal oil tank in shape and size according to the long side of the hexagonal oil tank, if the high-low voltage bushing of the transformer is required to be arranged on the side surface of the transformer at the same time, the low-voltage bushing and the high-voltage bushing are required to be arranged on the two long sides of the oil tank respectively, but the angle of the high-low voltage bushing is 120 degrees, and the transformer bushing is different from the conventional line routing direction and the conventional connection habit, so that difficulty is brought to transformer installation.
Disclosure of Invention
In order to solve one of the technical problems existing in the prior art, the application provides a low-voltage sleeve seat, which can be used for arranging a low-voltage sleeve on the short side of a hexagonal oil tank, so that the low-voltage sleeve is opposite to a high-voltage sleeve arranged on the long side, and the problem of sleeve angle is solved.
In addition, the application also provides a transformer using the low-voltage bushing seat,
according to an embodiment of the first aspect of the present utility model, a low-pressure casing seat comprises a seat body, wherein the seat body comprises a connecting part, a mounting part and an operating part, and the low-pressure casing seat comprises:
the connecting part is arranged at the rear of the seat body and is connected with the hexagonal oil tank through welding, the connecting part comprises an upper connecting part, a lower connecting part and a side connecting part, the upper connecting part and the lower connecting part are both provided with trapezoid openings, and the trapezoid openings are used for being in butt joint with the short sides of the hexagonal oil tank;
the installation part is arranged in front of the seat body, an installation hole is formed in the installation part, and the low-voltage sleeve penetrates into the hexagonal oil tank from the installation hole to be connected;
the operation part is arranged above the installation part, a hand hole is formed in the operation part, the hand hole is communicated with the space in the base body and is used for operating and connecting the transformer lead wire and the sleeve, and a cover plate for covering the hand hole is arranged on the operation part.
The low-pressure sleeve seat according to the embodiment of the first aspect of the utility model has at least the following beneficial effects: the low-pressure sleeve seat is provided with a connecting part, a trapezoid opening is formed in the connecting part, the connecting part can be butted with the short side of the hexagonal oil tank, and welding fixation is not affected. By using the low-voltage sleeve seat of the embodiment, the low-voltage sleeve can be arranged on the short side of the hexagonal oil tank, so that the low-voltage sleeve is opposite to the high-voltage sleeve arranged on the long side, and the problem of sleeve angle of the hexagonal oil tank is solved.
According to the low-pressure cannula holder of the first aspect of the utility model, the lower connecting portion is provided as a trapezoidal opening abutting against the short side of the hexagonal oil tank.
According to the low-pressure cannula holder of the first aspect of the utility model, the lower connecting part is arranged as a transverse straight edge.
According to the low-pressure sleeve seat disclosed by the first aspect of the utility model, the side connecting part is a vertical edge, and the side connecting part is vertically attached to the hexagonal oil tank.
According to the low-voltage bushing seat disclosed by the first aspect of the utility model, the operating part extends from the top of the mounting part obliquely to the upper rear, the operating part is obliquely arranged, and the hand holes in the operating part are obliquely arranged, so that a worker can conveniently operate the connection of the transformer leads and the bushing from above.
According to the low-pressure sleeve seat provided by the first aspect of the utility model, the sealing element is arranged between the cover plate and the operation part, so that the sealing performance is improved, and oil leakage is prevented.
According to the low-pressure sleeve seat disclosed by the utility model, the sealing element is a rubber element or a plastic element, so that the low-pressure sleeve seat has certain flexibility and a better sealing effect.
According to the low-pressure sleeve seat disclosed by the first aspect of the utility model, the operation part is provided with a plurality of studs, the cover plate is provided with the butt joint holes corresponding to the studs, the cover plate covers the operation part, the studs penetrate through the butt joint holes, the cover plate is positioned, and then the nut is used for locking.
According to the low-pressure casing seat disclosed by the first aspect of the utility model, the operation part is provided with a plurality of studs, the cover plate and the sealing element are respectively provided with a butt joint hole corresponding to the studs, the cover plate and the sealing element are covered on the operation part, the studs penetrate through the butt joint holes to position the cover plate and the sealing element, and then the cover plate and the sealing element are locked by adopting nuts.
According to an embodiment of the second aspect of the present utility model, a transformer includes:
the hexagonal oil tank is internally used for placing the transformer main body;
the high-pressure sleeve seat is arranged at any long edge of the hexagonal oil tank and is used for installing and fixing a high-pressure sleeve;
according to the low-pressure sleeve seat disclosed by the first aspect of the utility model, the low-pressure sleeve seat is arranged at the short side of the hexagonal oil tank, the position of the low-pressure sleeve seat is opposite to that of the high-pressure sleeve seat, and the low-pressure sleeve seat is used for installing and fixing a low-pressure sleeve.
The transformer according to the embodiment of the second aspect of the utility model has at least the following beneficial effects: the transformer of this application has the low pressure bushing seat of first aspect embodiment, at the in-process of installation, high pressure bushing seat sets up in the long limit department of hexagon oil tank, and the low pressure bushing seat sets up in the minor face department of hexagon oil tank, and the position and the high pressure bushing seat of low pressure bushing seat are relative, have solved sleeve angle problem, and the high low pressure wiring of transformer keeps sharp, makes things convenient for the installation of transformer.
According to the transformer of the second aspect of the utility model, in the low-voltage bushing holder, the top edge of the trapezoid opening is in contact with and welded to the short edge of the hexagonal oil tank, and the two oblique edges of the trapezoid opening are in contact with and welded to the two long edges of the hexagonal oil tank.
According to the transformer of the second aspect of the utility model, the plurality of radiating fins are arranged on the remaining long sides and the remaining short sides of the hexagonal oil tank, and the radiating fins are orderly arranged, so that the radiating efficiency of the transformer is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.
Fig. 1 is a schematic structural view of a low-pressure casing seat provided in the present application.
Fig. 2 is a schematic view of the back of the low pressure cannula mount of fig. 1.
Fig. 3 is a schematic view of the back structure of another low pressure bushing receptacle provided herein.
Fig. 4 is a schematic structural diagram of one of the transformers provided in the present application.
Reference numerals illustrate:
a base 100; a connection portion 110; an upper connection part 111; a lower connection portion 112; a side connection portion 113; a mounting portion 120; a mounting hole 121; an operation unit 130; a hand hole 131; a stud 132; a seal 200; a through hole 210; a first docking aperture 220; a cover plate 300; a second docking aperture 310; a hexagonal oil tank 400; a long side 401; short side 402; a high pressure cannula mount 410; a high voltage bushing 411; a low pressure cannula mount 420; low pressure cannula 421.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through intermediate media and intermediate structures, and can be communication between the two elements, indirect communication or interaction relationship between the two elements.
In the description of the present application, the meaning of a plurality means one or more, the meaning of a plurality (or a plurality of) means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and that greater than, less than, within, etc. is understood to include the present number. If any, the terms "first," "second," etc. are used for distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Embodiments of the present application are further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the application provides a low pressure bushing seat 420, including pedestal 100, pedestal 100 is enclosed by the polylith panel beating and is formed, and pedestal 100 one side is open for dock with the oil tank, and the other direction of pedestal 100 needs to realize sealedly, and the oil tank of pedestal 100 and transformer is docked the back, forms the space of holding partial transformer part and heat dissipation oil in the pedestal 100.
As shown in fig. 1, the enclosure wall of the base 100 includes a connection portion 110, an installation portion 120, and an operation portion 130.
Specifically, the connection portion 110 is provided at the rear of the body 100, and the connection portion 110 is connected to the side of the hexagonal oil tank 400 by welding. As shown in fig. 2, the connection part 110 includes an upper connection part 111, a lower connection part 112, and a side connection part 113, wherein the upper connection part 111 and the lower connection part 112 are both provided as trapezoid openings, and the side connection part 113 is a vertical side. The trapezoid opening is used for abutting with the short side 402 of the hexagonal oil tank 400, and the side connecting portion 113 vertically abuts against the hexagonal oil tank 400. As shown in fig. 3, the top edge of the trapezoid opening is in contact with and welded to the short side 402 of the hexagonal oil tank 400, and the two oblique sides of the trapezoid opening are in contact with and welded to the two long sides of the hexagonal oil tank 400 adjacent to the short side 402.
As shown in fig. 1, the mounting portion 120 is provided in front of the seat body 100, and the mounting portion 120 is provided with mounting holes 121. As shown in fig. 3, the low pressure sleeve 421 is connected to the hexagonal oil tank 400 by penetrating from the mounting hole 121. Further, a sealing ring is provided between the low pressure sleeve 421 and the mounting hole 121.
As shown in fig. 1, the operation portion 130 is provided above the mounting portion 120, and the operation portion 130 extends obliquely rearward and upward from the top of the mounting portion 120. The hand hole 131 is arranged on the operation part 130, the hand hole 131 on the operation part 130 is obliquely arranged, the hand hole 131 is communicated with the inner space of the base body 100, and a worker can conveniently operate the connection of the transformer lead wire and the sleeve from the upper side to the inside of the low-voltage sleeve base 420.
As shown in fig. 1, a cover plate 300 for covering the hand hole 131 is further provided on the operation portion 130, and in the present embodiment, a seal 200 is provided between the cover plate 300 and the operation portion 130. The sealing member 200 is preferably a rubber member or a plastic member, and has a certain flexibility, so that the sealing performance of the low-pressure sleeve seat 420 can be improved, and oil leakage can be prevented. The sealing member 200 is provided with the through-holes 210 corresponding to the hand holes 131, without interfering with the wiring and maintenance operations of workers. In this embodiment, the operation portion 130 is provided with a plurality of studs 132, the sealing member 200 is provided with a first docking hole 220, the cover plate 300 is provided with a second docking hole 310, and the first docking hole 220 and the second docking hole 310 correspond to the positions of the studs 132. The sealing member 200 and the cover plate 300 are sequentially covered on the operation part 130, the stud 132 passes through the first and second docking holes 220 and 310, positions the cover plate 300 and the sealing member 200, and then is locked using a nut. The cover plate 300 is mainly used for sealing the hand hole 131, preventing external foreign matters from falling into the internal space of the low-voltage sleeve seat 420 from the hand hole 131, and preventing people from contacting the electrified fittings in the low-voltage sleeve seat 420 by mistake.
It is easily understood that in other embodiments of the present application, the provision of a separate member of the sealing member 200 may be omitted, and the cover plate 300 may be directly covered on the operation portion 130, or the sealing member 200 may be integrally provided on the surface of the cover plate 300 contacting the operation portion 130, which is still within the scope of the present application.
Referring to fig. 3, another embodiment of a low pressure cannula holder 420 is provided, comprising a holder body 100, wherein a connecting portion 110, a mounting portion 120 and an operating portion 130 are included in a surrounding wall of the holder body 100. The connection portion 110 is provided at the rear of the body 100, and the connection portion 110 is connected to the side of the hexagonal oil tank 400 by welding. As shown in fig. 3, the connection portion 110 includes an upper connection portion 111, a lower connection portion 112, and a side connection portion 113, wherein, unlike the previous embodiment, the upper connection portion 111 is provided as a trapezoid opening, the lower connection portion 112 is provided as a lateral straight edge, and the side connection portion 113 is provided as a vertical straight edge. Both the trapezoidal opening of the upper connecting portion 111 and the lateral straight edge of the lower connecting portion 112 are used to butt against the short edge 402 of the hexagonal oil tank 400, and the side connecting portion 113 vertically abuts against the hexagonal oil tank 400. This embodiment provides another possibility for a low pressure cannula holder 420. Further, it is easily conceivable that the present application is not limited to the two embodiments described above.
As shown in fig. 4, the present application also provides a transformer including a hexagonal oil tank 400 for housing a transformer body, the hexagonal oil tank 400 having three long sides 401 and three short sides 402, the long sides 401 and the short sides 402 being alternately arranged. Wherein, at a certain long side 401, a high-voltage sleeve seat 410 is arranged, and a high-voltage sleeve 411 is arranged and fixed on the high-voltage sleeve seat 410; a low-pressure sleeve holder 420 is provided at a short side 402 opposite to the long side 401, and a low-pressure sleeve 421 is attached and fixed to the low-pressure sleeve holder 420.
As shown in fig. 4, since the connection portion 110 of the low-pressure cannula holder 420 is provided with a trapezoid opening, the top edge of the trapezoid opening is in contact with and welded to the short side 402 of the hexagonal oil tank 400, and the two oblique edges of the trapezoid opening are in contact with and welded to the two long sides of the hexagonal oil tank 400 adjacent to the short side 402. Here, it is required that the length of the top edge of the trapezoid opening is the same as the length of the short side 402 of the hexagonal oil tank 400, or that the length of the top edge of the trapezoid opening is slightly larger than the length of the short side 402 of the hexagonal oil tank 400; meanwhile, the angles of the two oblique sides and the top side of the trapezoid opening are 120 degrees, and are consistent with the angle of the hexagonal oil tank 400, so that the trapezoid opening is tightly attached to the side of the hexagonal oil tank 400, and the side connecting part 113 is also vertically tightly attached to the long side of the hexagonal oil tank 400.
Further, as shown in fig. 3, a plurality of cooling fins are disposed on the remaining long side 401 and the short side 402 of the hexagonal oil tank 400, and the cooling fins are arranged in order, so that the cooling efficiency of the transformer is improved.
The low-pressure sleeve seat 420 that this application provided is provided with connecting portion 110, is provided with trapezoidal opening on connecting portion 110, can dock with the minor face 402 of hexagon oil tank 400, and does not influence welded fastening. The transformer that this application provided has above-mentioned low pressure bushing seat 420, at the in-process of installation, high pressure bushing seat 410 sets up in the long limit 401 department of hexagon oil tank 400, and low pressure bushing seat 420 sets up in the minor face 402 department of hexagon oil tank 400, and the position and the high pressure bushing seat 410 of low pressure bushing seat 420 are relative, have solved sleeve angle problem, and the high low pressure wiring of transformer keeps sharp, makes things convenient for the installation of transformer.
While the preferred embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit and scope of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (10)
1. The utility model provides a low pressure bushing seat, its characterized in that includes the pedestal, the pedestal is including connecting portion, installation department and operating portion, wherein:
the connecting part is arranged at the rear of the seat body and is connected with the hexagonal oil tank through welding, and comprises an upper connecting part, a lower connecting part and a side connecting part, wherein the upper connecting part is provided with a trapezoid opening, and the trapezoid opening is used for being butted with the short side of the hexagonal oil tank;
the installation part is arranged in front of the seat body, an installation hole is formed in the installation part, and the low-voltage sleeve penetrates into the hexagonal oil tank from the installation hole to be connected;
the operation part is arranged above the installation part, a hand hole is formed in the operation part, the hand hole is communicated with the space in the base body and is used for operating and connecting the transformer lead wire and the sleeve, and a cover plate for covering the hand hole is arranged on the operation part.
2. The low pressure cannula holder of claim 1, wherein the lower connector is configured as a trapezoidal opening that interfaces with a short side of a hexagonal fuel tank.
3. The low pressure cannula holder of claim 1, wherein the lower connection portion is configured as a transverse straight edge.
4. A low pressure cannula holder according to claim 2 or 3, wherein the side connection is a vertical edge, the side connection fitting vertically into a hexagonal fuel tank.
5. The low pressure cannula holder of claim 1, wherein the operating portion extends obliquely rearward and upward from a top of the mounting portion.
6. The low pressure cannula holder of claim 5, wherein a seal is disposed between the cover plate and the operating portion.
7. The low pressure bushing receptacle of claim 5, wherein said operating portion includes a plurality of studs and said cover plate includes mating holes corresponding to said studs.
8. The low pressure cannula holder of claim 6, wherein the operating portion is provided with a plurality of studs, and the cover plate and the sealing member are respectively provided with docking holes corresponding to the studs.
9. A transformer, comprising:
the hexagonal oil tank is internally used for placing the transformer main body;
the high-pressure sleeve seat is arranged at any long edge of the hexagonal oil tank and is used for installing and fixing a high-pressure sleeve;
the low-pressure cannula holder according to any one of claims 1 to 8, which is provided at a short side of the hexagonal oil tank, the low-pressure cannula holder being positioned opposite the high-pressure cannula holder, the low-pressure cannula holder being adapted to mount a stationary low-pressure cannula.
10. The transformer of claim 9, wherein in the low-voltage bushing block, the top edge of the trapezoid opening is in contact with and welded to the short side of the hexagonal oil tank, and the two oblique edges of the trapezoid opening are in contact with and welded to the two long sides of the hexagonal oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427656.9U CN220753199U (en) | 2023-09-06 | 2023-09-06 | Low-voltage bushing seat and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322427656.9U CN220753199U (en) | 2023-09-06 | 2023-09-06 | Low-voltage bushing seat and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753199U true CN220753199U (en) | 2024-04-09 |
Family
ID=90551897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322427656.9U Active CN220753199U (en) | 2023-09-06 | 2023-09-06 | Low-voltage bushing seat and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753199U (en) |
-
2023
- 2023-09-06 CN CN202322427656.9U patent/CN220753199U/en active Active
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