CN109686534B - Novel oil immersed transformer shell - Google Patents
Novel oil immersed transformer shell Download PDFInfo
- Publication number
- CN109686534B CN109686534B CN201910025773.8A CN201910025773A CN109686534B CN 109686534 B CN109686534 B CN 109686534B CN 201910025773 A CN201910025773 A CN 201910025773A CN 109686534 B CN109686534 B CN 109686534B
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- Prior art keywords
- oil
- shell
- transformer
- storage cabinet
- contact piece
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a novel oil immersed transformer outer shell, which comprises an outer shell, an oil storage cabinet, an oil pumping tank, a transformer and an inner shell, and is characterized in that: the oil storage tank and the oil pumping box are respectively arranged at the top and the bottom of the outer shell, an oil pipeline is arranged between the oil storage tank and the outer shell, the oil pumping box is connected with the oil storage tank through the oil pipeline, a return pipe is arranged between the inner shell and the outer shell, the transformer is arranged in the inner shell, a supporting pad is arranged at the bottom of the transformer, and the transformer is fixedly connected with the inner shell through the supporting pad; the oil storage cabinet is internally provided with a hydraulic device and a baffle plate. This novel oil-immersed transformer shell through being equipped with the oil pumping tank in the shell bottom, after the cooling oil enters into the oil pumping tank through entering into, the liquid level of cooling oil increases gradually for buoyancy ball obtains buoyancy, and then makes first contact piece and second contact piece contact, thereby makes the oil-well pump switch on power normal work, thereby leads into the oil storage cabinet with refrigerated oil through defeated oil pipe in order to realize cyclic utilization.
Description
Technical Field
The invention relates to the technical field of transformer equipment, in particular to a novel oil immersed transformer shell.
Background
The oil immersed transformer uses oil as the main insulating means of the transformer and depends on the oil as cooling medium, such as oil immersed self-cooling, oil immersed air cooling, oil immersed water cooling, forced oil circulation and the like. Traditional oil-immersed shell can not effectually carry out cyclic utilization to the cooling oil, and the long-time use of transformer back in addition, can a large amount of dust cover on the transformer, and then reduce the radiating efficiency of transformer. Therefore, a novel oil-immersed transformer shell is designed, and the problem that the traditional novel oil-immersed transformer shell is inconvenient to use is solved.
Disclosure of Invention
The invention aims to provide a novel oil immersed transformer shell so as to solve the defects of the prior art and the technical requirements which cannot be met.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel oil-immersed transformer shell, includes shell, oil storage cabinet, oil extraction tank, transformer and inner shell, its characterized in that: the oil storage tank and the oil pumping box are respectively arranged at the top and the bottom of the outer shell, an oil pipeline is arranged between the oil storage tank and the outer shell, the oil pumping box is connected with the oil storage tank through the oil pipeline, a return pipe is arranged between the inner shell and the outer shell, the transformer is arranged in the inner shell, a supporting pad is arranged at the bottom of the transformer, and the transformer is fixedly connected with the inner shell through the supporting pad; the hydraulic device and the baffle plate are arranged in the oil storage cabinet, the baffle plate is rotationally connected with the inner side of the oil storage cabinet through a rotating seat, and the hydraulic device is connected with the baffle plate through a connecting seat; the oil pumping box is internally provided with a rotating rod, a positioning rod, an oil pump, a buoyancy ball, a first contact piece, a second contact piece and a wire, wherein the rotating rod is rotationally connected with the inner side of the oil pumping box through a rotating shaft, the buoyancy ball is fixedly connected with the rotating rod through a connecting seat, the positioning rod is fixedly connected with the inner side of the oil pumping box through welding, and the positioning rod is connected with the oil pump through the wire.
As a preferred embodiment of the invention, the bottom of the rotating rod is provided with a first contact piece, the upper part of the positioning rod is provided with a second contact piece, and the rotating rod is in contact connection with the positioning rod through the first contact piece and the second contact piece.
As a preferred implementation mode of the invention, a plurality of return pipes are arranged in the return pipes, one ends of the return pipes are communicated with a cavity formed by the outer shell and the inner shell after being connected with each other, and the other ends of the return pipes are connected with the oil pumping box through a guide pipe.
As a preferred implementation mode of the invention, the inner side of the inner shell is provided with the activated carbon layer, and the activated carbon layer is fixedly connected with the inner side of the inner shell in an embedded manner through the clamping groove.
As a preferred implementation mode of the invention, two ends of the oil delivery pipe are respectively communicated with the shell and the oil storage cabinet through connecting seats.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the traditional novel oil immersed transformer shell, the improved novel oil immersed transformer shell is provided with the oil pumping tank at the bottom of the shell, when cooling oil enters the oil pumping tank, the liquid level of the cooling oil is gradually increased, so that the buoyancy ball obtains buoyancy, and further the first contact piece is contacted with the second contact piece, thereby enabling the oil pump to be powered on for normal operation, and the cooled oil is guided into the oil storage cabinet through the oil conveying pipe, so that recycling is realized.
2. Compared with the traditional novel oil-immersed transformer shell, the improved novel oil-immersed transformer shell is provided with the active carbon layer on the inner side of the inner shell, and the active carbon layer adsorbs dust inside the inner shell, so that the dust is prevented from being covered on the transformer, and the radiating efficiency of the transformer is improved.
Drawings
FIG. 1 is a schematic diagram of a novel oil immersed transformer housing structure according to the present invention;
fig. 2 is a schematic diagram of the internal structure of a novel oil-immersed transformer shell oil storage cabinet;
fig. 3 is a schematic diagram of the internal structure of a novel oil pumping tank of an oil immersed transformer shell.
In the figure: the oil tank comprises an outer shell-1, an oil storage cabinet-2, an oil pumping box-3, a transformer-4, an inner shell-5, an oil delivery pipe-6, a return pipe-7, an active carbon layer-8, a supporting pad-9, a hydraulic device-10, a baffle plate-11, a rotating rod-12, a positioning rod-13, an oil pump-14, a buoyancy ball-15, a first contact piece-16, a second contact piece-17 and a lead-18.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel oil-immersed transformer shell, includes shell 1, oil storage cabinet 2, pumping box 3, transformer 4 and inner shell 5, its characterized in that: the oil storage cabinet 2 and the oil pumping box 3 are respectively arranged at the top and the bottom of the outer shell 1, an oil delivery pipe 6 is arranged between the oil storage cabinet 2 and the outer shell 1, the oil pumping box 3 is connected with the oil storage cabinet 2 through the oil delivery pipe 6, a return pipe 7 is arranged between the inner shell 5 and the outer shell 1, the transformer 4 is arranged inside the inner shell 5, a supporting pad 9 is arranged at the bottom of the transformer 4, and the transformer 4 is fixedly connected with the inner shell 5 through the supporting pad 9; the inside of the oil storage cabinet 2 is provided with a hydraulic device 10 and a baffle plate 11, the baffle plate 11 is rotationally connected with the inner side of the oil storage cabinet 2 through a rotating seat, and the hydraulic device 10 is connected with the baffle plate 11 through a connecting seat; the inside dwang 12, locating lever 13, oil-well pump 14, buoyancy ball 15, first contact 16, second contact 17 and wire 18 of being equipped with of pumping unit 3, dwang 12 passes through the rotation axis and rotates with pumping unit 3 inboard to be connected, and buoyancy ball 15 passes through connecting seat and dwang 12 fixed connection, and locating lever 13 passes through welding and pumping unit 3 inboard fixed connection, locating lever 13 passes through wire 18 and is connected with oil-well pump 14.
Referring to fig. 3, a first contact piece 16 is disposed at the bottom of the rotating rod 12, a second contact piece 17 is disposed at the upper portion of the positioning rod 13, the rotating rod 12 is in contact connection with the positioning rod 13 through the first contact piece 16 and the second contact piece 17, when the cooling oil in the oil pumping box 3 increases gradually, the buoyancy ball 15 generates buoyancy, and the first contact piece 16 is in contact with the second contact piece 17, so that the circuit is turned on, and the oil pump 14 normally works to guide the cooling oil into the oil storage tank 2 through 6.
Referring to fig. 1, the return pipe 7 is internally provided with a plurality of return pipes, after the return pipes are connected with each other, one end of the return pipe is communicated with a cavity formed by the outer shell 1 and the inner shell 5, the other end of the return pipe is connected with the oil pumping box 3 through a conduit, and the cooling in the cavity absorbs heat emitted by the transformer 4 and then enters the return pipe 7 for cooling, and then enters the oil pumping box 3 through the conduit.
Referring to fig. 1, an activated carbon layer 8 is disposed on the inner side of the inner case 5, the activated carbon layer 8 is fixedly connected with the inner side of the inner case 5 by a clamping groove, and the activated carbon layer 8 adsorbs dust inside the inner case 5, so as to reduce the influence of the dust on heat dissipation of the transformer 4.
Referring to fig. 1, two ends of the oil delivery pipe 6 are respectively communicated with the outer shell 1 and the oil storage cabinet 2 through connecting seats, and after the baffle plate 11 is opened under the action of the hydraulic device 10, oil stored in the oil storage cabinet 2 enters into a cavity between the outer shell 1 and the inner shell 5 through the oil delivery pipe 6.
The invention relates to an oil storage tank, an oil pumping tank, a transformer, an inner shell, an oil delivery pipe, a return pipe, an active carbon layer, a supporting pad, a hydraulic device, a baffle plate, an oil well pump, a buoyancy ball, a first contact piece, a second contact piece, a wire and a wire, wherein the components are all universal standard components or components known to a person skilled in the art, the structure and the principle of the oil pumping tank are known by the person skilled in the art through technical manuals or are known through a conventional experimental method, the oil pumping tank is arranged at the bottom of the oil pumping tank, the active carbon layer is arranged at the inner side of the inner shell, and the oil pumping tank can effectively realize the recycling of cooling oil and can improve the heat dissipation speed of the transformer through the mutual combination of the components.
Working principle: the baffle plate 11 rotates upwards under the effect of the hydraulic press 10, and then the cooling oil in the oil storage cabinet 2 enters into the cavity formed by the outer shell 1 and the inner shell 5 through the oil conveying pipe 6, and then the heat emitted by the transformer 4 is absorbed, the cooling oil in the cavity flows under the effect of the return pipe 7, the cooling oil absorbing the heat enters into the return pipe 7 and then enters into the oil pumping box 3 through the guide pipe, as the liquid level of the cooling oil in the oil pumping box 3 increases, the buoyancy ball 15 is further caused, the first contact piece 16 is further caused to be in contact with the second contact piece 17, so that the power supply is connected, the oil pump 14 works normally, and then the cooling oil stored in the oil pumping box 3 is led into the oil storage cabinet 2 through the oil conveying pipe 6, and then the recycling of the cooling oil is realized, and the active carbon layer 8 at the inner side of the inner shell 5 can remove dust in the air inside the inner shell 5, and further the heat dissipation efficiency of the transformer 4 is improved.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. Novel oil-immersed transformer shell, including shell (1), oil storage cabinet (2), oil pumping case (3), transformer (4) and inner shell (5), its characterized in that: the oil storage cabinet (2) and the oil pumping box (3) are respectively arranged at the top and the bottom of the outer shell (1), an oil conveying pipe (6) is arranged between the oil storage cabinet (2) and the outer shell (1), the oil pumping box (3) is connected with the oil storage cabinet (2) through the oil conveying pipe (6), a return pipe (7) is arranged between the inner shell (5) and the outer shell (1), the transformer (4) is arranged inside the inner shell (5), a supporting pad (9) is arranged at the bottom of the transformer (4), and the transformer (4) is fixedly connected with the inner shell (5) through the supporting pad (9);
the oil storage cabinet (2) is internally provided with a hydraulic device (10) and a baffle plate (11), the baffle plate (11) is rotationally connected with the inner side of the oil storage cabinet (2) through a rotating seat, and the hydraulic device (10) is connected with the baffle plate (11) through a connecting seat;
the oil pumping box is characterized in that a rotating rod (12), a positioning rod (13), an oil pump (14), a buoyancy ball (15), a first contact piece (16), a second contact piece (17) and a wire (18) are arranged in the oil pumping box (3), the rotating rod (12) is rotationally connected with the inner side of the oil pumping box (3) through a rotating shaft, the buoyancy ball (15) is fixedly connected with the rotating rod (12) through a connecting seat, the positioning rod (13) is fixedly connected with the inner side of the oil pumping box (3) through welding, and the positioning rod (13) is connected with the oil pump (14) through the wire (18);
the bottom of the rotating rod (12) is provided with a first contact piece (16), the upper part of the positioning rod (13) is provided with a second contact piece (17), and the rotating rod (12) is in contact connection with the positioning rod (13) through the first contact piece (16) and the second contact piece (17);
the number of the reflux pipes (7) is multiple, one end of the reflux pipes is communicated with a cavity formed by the outer shell (1) and the inner shell (5) after being connected with each other, and the other end of the reflux pipes is connected with the oil pumping box (3) through a guide pipe.
2. The novel oil immersed transformer housing of claim 1, wherein: the inner side of the inner shell (5) is provided with an active carbon layer (8), and the active carbon layer (8) is inlaid and fixedly connected with the inner side of the inner shell (5) through a clamping groove.
3. The novel oil immersed transformer housing of claim 1, wherein: the two ends of the oil delivery pipe (6) are respectively communicated with the shell (1) and the oil storage cabinet (2) through connecting seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025773.8A CN109686534B (en) | 2019-01-11 | 2019-01-11 | Novel oil immersed transformer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910025773.8A CN109686534B (en) | 2019-01-11 | 2019-01-11 | Novel oil immersed transformer shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686534A CN109686534A (en) | 2019-04-26 |
| CN109686534B true CN109686534B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910025773.8A Active CN109686534B (en) | 2019-01-11 | 2019-01-11 | Novel oil immersed transformer shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686534B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111710500B (en) * | 2020-06-22 | 2021-02-02 | 苏变电气股份有限公司 | Energy-saving and environment-friendly transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330902A (en) * | 1964-07-14 | 1967-07-11 | Nakazawa Shinji | Conservator for oil-filled transformer |
| JPH08330147A (en) * | 1995-06-05 | 1996-12-13 | Toshiba Corp | Monitoring method for cooler |
| KR20090116058A (en) * | 2008-05-06 | 2009-11-11 | (주)케이제이다이나텍 | Apparatus for removing moisture for transformer oils |
| CN204242749U (en) * | 2014-09-30 | 2015-04-01 | 国家电网公司 | There is the oil-filled transformer of Automatic clearance function |
| CN207409346U (en) * | 2017-10-10 | 2018-05-25 | 安徽明辉电气有限公司 | One kind is used for wet type transformer environment-friendly type oiling device |
| CN208045260U (en) * | 2018-05-07 | 2018-11-02 | 江西天昶电气科技有限公司 | A kind of oil-immersed transformer of good heat dissipation effect |
-
2019
- 2019-01-11 CN CN201910025773.8A patent/CN109686534B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330902A (en) * | 1964-07-14 | 1967-07-11 | Nakazawa Shinji | Conservator for oil-filled transformer |
| JPH08330147A (en) * | 1995-06-05 | 1996-12-13 | Toshiba Corp | Monitoring method for cooler |
| KR20090116058A (en) * | 2008-05-06 | 2009-11-11 | (주)케이제이다이나텍 | Apparatus for removing moisture for transformer oils |
| CN204242749U (en) * | 2014-09-30 | 2015-04-01 | 国家电网公司 | There is the oil-filled transformer of Automatic clearance function |
| CN207409346U (en) * | 2017-10-10 | 2018-05-25 | 安徽明辉电气有限公司 | One kind is used for wet type transformer environment-friendly type oiling device |
| CN208045260U (en) * | 2018-05-07 | 2018-11-02 | 江西天昶电气科技有限公司 | A kind of oil-immersed transformer of good heat dissipation effect |
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| Publication number | Publication date |
|---|---|
| CN109686534A (en) | 2019-04-26 |
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