CN206401159U - The shielding construction of dry-type transformer - Google Patents
The shielding construction of dry-type transformer Download PDFInfo
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- CN206401159U CN206401159U CN201621398855.5U CN201621398855U CN206401159U CN 206401159 U CN206401159 U CN 206401159U CN 201621398855 U CN201621398855 U CN 201621398855U CN 206401159 U CN206401159 U CN 206401159U
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- cylinder
- shielding
- glass epoxide
- dry
- copper strips
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Abstract
The utility model discloses a kind of shielding construction of dry-type transformer, it is on dry-type transformer, and the dry-type transformer includes iron core and coil, and iron core has iron core wedge angle；Interior glass epoxide cylinder and outer glass epoxide cylinder are arranged with iron core wedge angle；Interior glass epoxide cylinder and outer glass epoxide cylinder include the epoxy glue and glass tape of tubular；Provided with shielding copper strips and grounding copper band between interior glass epoxide cylinder and outer glass epoxide cylinder；Shielding copper strips is wound in the outside of interior glass epoxide cylinder, and the gap formed between some shielding copper strips rings, adjacent shielding copper strips ring is 5 10mm；Grounding copper band is all connected with each shielding copper strips ring, and extends to the outside of interior glass epoxide cylinder and outer glass epoxide cylinder；Interior glass epoxide cylinder, outer glass epoxide cylinder, shielding copper strips and grounding copper band are formed in one.The utility model uses the shielding construction of integrated type, and its is simple in construction, easy to process；And have the advantages that shield effectiveness is good.
Description
Technical field
The utility model belongs to transformer technology field, more particularly to a kind of shielding construction of dry-type transformer.
Background technology
Dry-type transformer is widely used in local lighting, skyscraper, airport, the place such as harbour CNC plant equipment.Wherein,
The shelf depreciation of 35kV and above high-voltage dry transformer drastically influence the safe operation of product.And iron core wedge angle is to cause
One main cause of shelf depreciation increase.It is to reduce an important measures of shelf depreciation that electrical shielding is carried out to iron core wedge angle.
There is the defect that structural manufacturing process is complicated, shield effectiveness is poor to the method that iron core wedge angle carries out electrical shielding at present.
Utility model content
The technical problems to be solved in the utility model is that there is provided one kind is dry in order to overcome the drawbacks described above that prior art is present
The shielding construction of formula transformer.
The utility model is to solve above-mentioned technical problem by following technical proposals：
A kind of shielding construction of dry-type transformer, its on the dry-type transformer, the dry-type transformer include iron core and
Coil outside iron core, its feature is that the iron core has iron core wedge angle；Interior glass is arranged with the iron core wedge angle
Epoxy cylinder, the outer cover of the interior glass epoxide cylinder is provided with outer glass epoxide cylinder；The interior glass epoxide cylinder and the outer glass
Epoxy glue of the epoxy cylinder including tubular and the glass tape being wound in inside epoxy glue；The interior glass epoxide cylinder and described outer
Provided with shielding copper strips and grounding copper band between glass epoxide cylinder；The shielding copper strips is wound in the outer of the interior glass epoxide cylinder
Portion, and be in the gap that the outside of the interior glass epoxide cylinder is formed between some shielding copper strips rings, adjacent shielding copper strips ring
5-10mm；The grounding copper band is all connected with each shielding copper strips ring, and extends to the interior glass epoxide cylinder and the outer glass
The outside of epoxy cylinder；The interior glass epoxide cylinder, the outer glass epoxide cylinder, the shielding copper strips and the grounding copper band are one
It is body formed.
It is preferred that the thickness of the shielding copper strips is 0.1mm, width is 150-200mm.
It is preferred that the thickness 0.3mm of the grounding copper band, width is 25-35mm.
It is preferred that the width of the grounding copper band is 30mm.
Positive effect of the present utility model is：The utility model uses the shielding construction of integrated type, its structure
Simply, it is easy to process；Under collective effect by shielding copper strips, grounding copper band and glass epoxide cylinder, iron can be effectively reduced
The shelf depreciation of core wedge angle, so as to carry out electrical shielding to iron core wedge angle, it has the advantages that shield effectiveness is good.
Brief description of the drawings
Fig. 1 is the schematic side view of the utility model preferred embodiment.
Fig. 2 is the schematic top plan view of the utility model preferred embodiment.
Fig. 3 is the structural representation of interior glass epoxide cylinder, shielding copper strips and the grounding copper band of the utility model preferred embodiment
Figure.
Embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, a kind of shielding construction of dry-type transformer, it is on dry-type transformer, the dry type
Transformer includes iron core and the coil outside iron core, and the iron core has iron core wedge angle 10；It is arranged with iron core wedge angle 10
Interior glass epoxide cylinder 20, the outer cover of interior glass epoxide cylinder 20 is provided with outer glass epoxide cylinder 40；Interior glass epoxide cylinder 20 and outer glass
Epoxy glue of the glass epoxy cylinder 40 including tubular and the glass tape being wound in inside epoxy glue.
Provided with shielding copper strips 50 and grounding copper band 60 between interior glass epoxide cylinder 20 and outer glass epoxide cylinder 40；Shield copper strips
50 are wound in the outside of interior glass epoxide cylinder 20, and form some shielding copper strips rings 51, phase in the outside of interior glass epoxide cylinder 20
Gap between adjacent shielding copper strips ring 51 is 5-10mm.
Grounding copper band 60 is all connected with each shielding copper strips ring 51, and extends to interior glass epoxide cylinder 20 and outer glass epoxide cylinder
40 outside；Grounding copper band draws ground connection.
Interior glass epoxide cylinder 20, outer glass epoxide cylinder 40, shielding copper strips 50 and grounding copper band 60 are formed in one.
The thickness for shielding copper strips 50 is 0.1mm, and width is 150-200mm.The thickness 0.3mm of grounding copper band 60, width is
25-35m, it is preferred that width is 30mm.
The utility model uses the shielding construction of integrated type, and its is simple in construction, easy to process；By shielding copper strips, connecing
Under the collective effect of ground copper strips and glass epoxide cylinder, the shelf depreciation of iron core wedge angle can be effectively reduced, so as to iron core point
Angle carries out electrical shielding, and it has the advantages that shield effectiveness is good.
Although the foregoing describing embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within protection domain of the present utility model.
Claims (4)
1. a kind of shielding construction of dry-type transformer, it is on dry-type transformer, and the dry-type transformer includes iron core and set
Coil outside iron core, it is characterised in that the iron core has iron core wedge angle；Interior glass ring is arranged with the iron core wedge angle
Oxygen cylinder, the outer cover of the interior glass epoxide cylinder is provided with outer glass epoxide cylinder；The interior glass epoxide cylinder and the outer glass ring
Epoxy glue of the oxygen cylinder including tubular and the glass tape being wound in inside epoxy glue；The interior glass epoxide cylinder and the outer glass
Provided with shielding copper strips and grounding copper band between glass epoxy cylinder；The shielding copper strips is wound in the outside of the interior glass epoxide cylinder,
And be 5- in the outside gap formed between some shielding copper strips rings, adjacent shielding copper strips ring of the interior glass epoxide cylinder
10mm；The grounding copper band is all connected with each shielding copper strips ring, and extends to the interior glass epoxide cylinder and the outer glass ring
The outside of oxygen cylinder；The interior glass epoxide cylinder, the outer glass epoxide cylinder, the shielding copper strips and the grounding copper band are integrated
Shaping.
2. the shielding construction of dry-type transformer as claimed in claim 1, it is characterised in that the thickness of the shielding copper strips is
0.1mm, width is 150-200mm.
3. the shielding construction of dry-type transformer as claimed in claim 1, it is characterised in that the thickness of the grounding copper band
0.3mm, width is 25-35mm.
4. the shielding construction of dry-type transformer as claimed in claim 1, it is characterised in that the width of the grounding copper band is
30mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398855.5U CN206401159U (en) | 2016-12-20 | 2016-12-20 | The shielding construction of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398855.5U CN206401159U (en) | 2016-12-20 | 2016-12-20 | The shielding construction of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401159U true CN206401159U (en) | 2017-08-11 |
Family
ID=59511014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398855.5U Active CN206401159U (en) | 2016-12-20 | 2016-12-20 | The shielding construction of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585142A (en) * | 2018-10-29 | 2019-04-05 | 南瑞集团有限公司 | A kind of shielding and preparation method thereof suitable for poured with epoxy resin winding |
-
2016
- 2016-12-20 CN CN201621398855.5U patent/CN206401159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585142A (en) * | 2018-10-29 | 2019-04-05 | 南瑞集团有限公司 | A kind of shielding and preparation method thereof suitable for poured with epoxy resin winding |
| CN109585142B (en) * | 2018-10-29 | 2020-05-19 | 南瑞集团有限公司 | Shielding suitable for epoxy resin cast winding and manufacturing method thereof |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200722 Address after: No.5 Xinjing East Road, South District, Zhangjiagang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Shanghai Electric Group (Zhangjiagang) Transformer Co., Ltd Address before: 201400, Shanghai, Fengxian District Pu Pu Industrial Zone, Pu Pu Avenue, No. 6 Patentee before: SHANGHAI NANQIAO TRANSFORMER Co.,Ltd. |