CN204289029U - A kind of box lid type oil tank of transformer - Google Patents
A kind of box lid type oil tank of transformer Download PDFInfo
- Publication number
- CN204289029U CN204289029U CN201420751721.1U CN201420751721U CN204289029U CN 204289029 U CN204289029 U CN 204289029U CN 201420751721 U CN201420751721 U CN 201420751721U CN 204289029 U CN204289029 U CN 204289029U
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- CN
- China
- Prior art keywords
- case lid
- transformer
- oil tank
- type oil
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a kind of box lid type oil tank of transformer, it comprises: casing and case lid, and the edge of described case lid is bending structure.The box lid type oil tank of transformer that the utility model provides, compared with prior art, case lid edge is set to bending structure, increases the mechanical strength of case lid, effectively prevents case lid to be out of shape; Save smooth case lid operating time when installing, increase work efficiency, the covering coefficient of case lid is high, extends glue rope ageing time between case lid and fuel tank, and makes the entirety of transformer more attractive in appearance.
Description
Technical field
The utility model relates to field transformer, particularly relates to a kind of oil tank of transformer.
Background technology
Oil tank for oil immersion type transformer is the shell of oil-filled transformer, and transformer body is just placed in the fuel tank of the transformer oil filled.Transformer oil, as a kind of liquid, is in order to dielectric on the one hand, on the other hand as the medium of heat radiation, namely by the circulation of transformer oil, is come out by the heat in winding and iron core.Fuel tank all forms with Plate Welding, and its structural requirement must reach certain mechanical strength, except should meeting transformer ask for something operationally, also should meet maintenance and the requirement of transporting.
The manufacture of current transformer case lid is all plane, and steel plate is thinner, standing time is longer, and plane will deform, and can observe uneven very clearly, parts on case lid depart from predetermined installation site, when operating personnel assemble, first need arrange case lid, after case lid is smooth, parts could be covered by hitch box, also add a job to operating personnel simultaneously.This situation causes very large task directly to operating personnel, and device body installation time extends much greatly, greatly reduces operating efficiency.
Summary of the invention
The object of the present invention is to provide a kind of box lid type oil tank of transformer, yielding with the case lid solving existing box lid type oil tank of transformer, the problems such as structural strength is not high, and radiating efficiency is bad.
Embodiments provide a kind of box lid type oil tank of transformer, it comprises: casing and case lid, the edge of described case lid is bending structure, the inner surface of described case lid arranges strutting piece, and described strutting piece is cross, arc, star or grid-shaped, and described case lid is cast into waveform, the inside bending in edge of described case lid, the outside bending in upper edge of described casing, the two forms socket join structure, and described case lid arranges multiple thermal conductive metal plate.
The box lid type oil tank of transformer that inventive embodiments provides, compared with prior art, case lid edge is set to bending structure, increases the mechanical strength of case lid, effectively prevents case lid to be out of shape; The operating time of smooth case lid is needed when saving installation, increase work efficiency, the covering coefficient of case lid is high, extend glue rope ageing time between case lid and fuel tank, and make the entirety of transformer more attractive in appearance, be cast into waveform by case lid is designed to case lid, increase case lid specific area, increase thermal conductive metal plate, improve radiating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of box lid type oil tank of transformer in the utility model embodiment 1.
Embodiment
Below, the utility model is set forth further with specific embodiment by reference to the accompanying drawings.Should be understood that these embodiments are only for illustration of the utility model, and be not used in restricted scope of the present utility model.It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Please refer to accompanying drawing below and describe in detail in conjunction with the embodiments.
The manufacture considering current transformer box cover is all plane, easily deforms, during installation, needs smooth case lid, could the parts that cover of hitch box, increases the workload of staff, the problems such as inefficiency.The utility model proposes a kind of box lid type oil tank of transformer, its structural strength be high, not mutability, perfect heat-dissipating, ground operating efficiency when effectively can improve installation.
This box lid type oil tank of transformer, comprising: casing and case lid, and the edge of described case lid is bending structure.
Particularly, in the middle of actual production, the case lid of oil tank of transformer can be provided with one or more fasteners or other assemblies, after producing product, during for installing and using in time, due to the effect of assembly gravity, may there is the phenomenons such as uneven, distortion in case lid, case lid is utilized the equipment such as plate shearing machine or bender by case lid by plane, be designed to case lid bending structure.As shown in Figure 1, by edge 3 bending of transformer oil tank cover 1, can increase the mechanical strength of case lid, when placing for a long time, surface there will not be and deforms.
When securing member on case lid or assembly arrange more, case lid is placed for a long time, yet can deform because of the gravity of case lid itself, can arrange strutting piece, to strengthen the mechanical strength of case lid, prevent case lid to be out of shape at case lid inner surface.Strutting piece can adopt various ways, as being set to cross 4, arc, star or grid type, with the planar stability of supporting box cover.
In another way of example, the position not being provided with securing member or assembly can be set to waveform, on the one hand, waveform is larger than the surface area of plane, and surface area is large, and area of dissipation is just large, and radiating effect strengthens; On the other hand, waveform adds the mechanical strength of case lid, and surface integral can not deform, and the installation site of securing member or assembly also can not be departed from, also can arrange strutting piece by the case lid inner surface after bending as required, strutting piece can be set to cross or other forms.
Further, can by inside for the edge of case lid 1 bending, the outside bending in upper edge of oil tank of transformer casing 2, the two forms socket join structure, and the stability of socket join structure is more excellent.After case lid bending, add covering coefficient, can effectively extend for the glue rope ageing time between sealed platform cover and fuel tank.
In order to improve the radiating efficiency of oil tank of transformer further, multiple thermal conductive metal plate can be welded on case lid.Wherein, the size and number of weld metal sheet can set as required flexibly.
With reference to embodiment of the present utility model, explanation is given to the present invention above.But these embodiments are only used to the purpose of this utility model is described, and are not intended to limit scope of the present utility model, and scope of the present utility model is by claims and equivalents thereof.Do not departing from scope of the present utility model, those skilled in the art can make multiple substituting and amendment, and these substitute and amendment all should drop within scope of the present utility model.
Claims (1)
1. a box lid type oil tank of transformer, it is characterized in that, it comprises: casing and case lid, and the edge of described case lid is bending structure, and the inner surface of described case lid arranges strutting piece, described strutting piece is cross, arc, star or grid-shaped, described case lid is cast into waveform, and the inside bending in edge of described case lid, along outside bending on described casing, the two forms socket join structure, and described case lid arranges multiple thermal conductive metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751721.1U CN204289029U (en) | 2014-12-03 | 2014-12-03 | A kind of box lid type oil tank of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751721.1U CN204289029U (en) | 2014-12-03 | 2014-12-03 | A kind of box lid type oil tank of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289029U true CN204289029U (en) | 2015-04-22 |
Family
ID=52872163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420751721.1U Expired - Fee Related CN204289029U (en) | 2014-12-03 | 2014-12-03 | A kind of box lid type oil tank of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204289029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234639A (en) * | 2015-11-12 | 2016-01-13 | 保定天威电气设备结构有限公司 | Control method for flatness and angles of bent power transformer box cover |
-
2014
- 2014-12-03 CN CN201420751721.1U patent/CN204289029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234639A (en) * | 2015-11-12 | 2016-01-13 | 保定天威电气设备结构有限公司 | Control method for flatness and angles of bent power transformer box cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |