CN204991402U - Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination - Google Patents
Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination Download PDFInfo
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- CN204991402U CN204991402U CN201520736653.6U CN201520736653U CN204991402U CN 204991402 U CN204991402 U CN 204991402U CN 201520736653 U CN201520736653 U CN 201520736653U CN 204991402 U CN204991402 U CN 204991402U
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Abstract
The utility model discloses a three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination, rolling up unshakable in one's determination, coil and pressing from both sides tight structure including three -dimensional, three -dimensionally roll up the amorphous strip preparation of adopting unshakable in one's determination, the coil is around putting on the iron core is rolled up to the solid, and press from both sides tight structure and include folder, folder down, going up the folder and being located the three -dimensional top unshakable in one's determination of rolling up, lower folder is located the three -dimensional below unshakable in one's determination of rolling up, and is taut through the screw rod between the upper and lower folder, is provided with the briquetting on the upper and lower folder respectively and compresses tightly the coil. The utility model discloses a tight structure of the clamp structure traditional relatively that three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination adopted, reduced the transformer grow, the ascending size in width side, make to press from both sides the area that tight structure compressed tightly in the transformer coil top and diminish to make the heat dissipation air flue of transformer more unobstructed, strengthened the heat -sinking capability of transformer, reduced the volume of using the steel of pressing from both sides tight structure simultaneously, reduced the manufacturing cost of transformer.
Description
Technical field
The utility model relates to a kind of dry-type transformer, particularly relates to a kind of amorphous core 20kV three dimensional wound core open dry-type transformer.
Background technology
Three-dimensional wound core dry type transformer, because of the three-phase magnetic circuit full symmetric of its iron core, has that magnetic resistance is little, exciting current and a low feature of no-load loss, and therefore economic benefit is very significantly widely used.Clamping structure is an important component part of three-dimensional wound core dry type transformer, clamping structure main body section bar common mostly at present is rectangular tube or channel-section steel, the cross section of rectangular tube or channel-section steel is usually larger, hinder the circulation of transformer heat radiation air flue, reduce the heat-sinking capability of transformer, increase steel using amount, also make the overall dimension of transformer larger, be inconvenient to transport, the clamping structure of the type is divided into upper clamping piece, lower clamping piece, support unshakable in one's determination, base four part, this kind of structure adds the overall height of transformer, raise the center of gravity of transformer, add transformer unsteadiness structurally.
Utility model content
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of amorphous core 20kV three dimensional wound core open dry-type transformer.
The utility model is the technical scheme solving the employing of its technical problem:
A kind of amorphous core 20kV three dimensional wound core open dry-type transformer, comprising:
Three dimensional wound core, adopts amorphous band to make, in vertical triangulation shape;
Coil, around the home on three dimensional wound core, coil comprises low-voltage coil and high-tension coil from the inside to the outside, is provided with insulating cylinder between low-voltage coil and high-tension coil;
Clamping structure, comprises upper clamping piece, lower clamping piece, and described upper clamping piece is positioned at above three dimensional wound core, and lower clamping piece is positioned at below three dimensional wound core, by tie-rod between upper and lower folder, upper and lower folder is respectively arranged with briquetting coil pressing.
As the further improvement of technique scheme, described upper clamping piece comprises the upper clamping piece web of the hexagonal structure be spliced by long steel plate and short steel plate interval, and lower clamping piece comprises the lower clamping piece web with upper clamping piece web same shape, same size.
As the further improvement of technique scheme, described upper clamping piece web and lower clamping piece web are respectively arranged with corresponding horizontal arm-tie, horizontal arm-tie is provided with perforation, described screw rod two ends are each passed through the perforation on horizontal arm-tie and adopt nut check.
As the further improvement of technique scheme, described upper clamping piece web and lower clamping piece web are respectively arranged with briquetting fixture, and described briquetting is fixedly mounted on briquetting fixture.
As the further improvement of technique scheme, the briquetting fixture position of described upper clamping piece is corresponding with the position of the briquetting fixture of lower clamping piece.
As the further improvement of technique scheme, also comprise base, described three dimensional wound core and lower clamping piece are placed on base.
The beneficial effects of the utility model are:
The structure that the clamping structure that amorphous core 20kV three dimensional wound core open dry-type transformer of the present utility model adopts is relatively traditional, decrease the size of transformer on length and width direction, the area that clamping structure is pressed on above transformer coil diminishes, thus make the heat radiation air flue of transformer more unobstructed, enhance the heat-sinking capability of transformer, decrease the steel using amount of clamping structure simultaneously, reduce the production cost of transformer.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of clamping structure;
Fig. 3 is the structural representation of three dimensional wound core.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of amorphous core 20kV three dimensional wound core open dry-type transformer that the utility model provides, comprises three dimensional wound core 1, coil 2, clamping structure 3 and base 4.
Described three dimensional wound core 1 adopts amorphous band to make, in vertical triangulation shape.Described coil 2 is around the home on three dimensional wound core 1, and coil 2 comprises low-voltage coil and high-tension coil from the inside to the outside, is provided with insulating cylinder between low-voltage coil and high-tension coil, coil is respectively arranged with high pressure lead wire structure 21 and low voltage lead structure 22.
Described clamping structure 3 comprises upper clamping piece 31 and lower clamping piece 32, the main body of upper clamping piece 31 is upper clamping piece web 311, upper clamping piece web 311 is the hexagonal structures be spliced by long steel plate and short steel plate interval, and the main body of lower clamping piece 32 is the lower clamping piece webs 321 with upper clamping piece web 311 same shape, same size.Upper clamping piece web 311 is positioned at above three dimensional wound core 1, lower clamping piece web 321 is positioned at below three dimensional wound core 1, upper clamping piece web 311 and lower clamping piece web 321 are respectively arranged with corresponding horizontal arm-tie 331, horizontal arm-tie 331 is respectively arranged with perforation, screw rod 33 two ends of vertically placing are each passed through the perforation on horizontal arm-tie 331, and adopt nut check, upper and lower folder 31,32 can be strained.In addition, described upper clamping piece web 311 with lower clamping piece web 321 is respectively arranged with the briquetting fixture 341 that quantity is equal, position is relative, briquetting fixture 341 is separately installed with briquetting 34, briquetting 34 is for coil pressing 2.
Described base 4 comprises two major trough steel be arranged in parallel, many supporting steels are provided with between two major trough steel, supporting steel coordinates major trough steel, form a support face, for placing three dimensional wound core 1 and lower clamping piece 32, as lower clamping piece web 321 and supporting steel and major trough steel being welded and fixed, lower clamping piece web 321 is fixed on support face.Be connected and fixed by welding or bolt between described major trough steel and supporting steel.Further, the triangular support part 41 exceeding base 4 is provided with at the middle part in support face, for support coil 2.
The structure that the clamping structure 3 that amorphous core 20kV three dimensional wound core open dry-type transformer of the present utility model adopts is relatively traditional, decrease the size of transformer on length and width direction, the area that clamping structure 3 is pressed on above transformer coil diminishes, thus make the heat radiation air flue of transformer more unobstructed, enhance the heat-sinking capability of transformer, decrease the steel using amount of clamping structure 3 simultaneously, reduce the production cost of transformer.In addition, the utility model is also by cancelling support unshakable in one's determination, the triangular support part 41 of supporting stereo rewinding material 1 and coil 2 weight to be sunk in base 4 and lower clamping piece web 321 and base 4 are integrated into parts, the whole height of effective reduction transformer, the overall dimension of further minimizing transformer, make the decentralization of transformer, improve the steadiness of transformer whole structure.
The above, just preferred embodiment of the present utility model, the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (6)
1. an amorphous core 20kV three dimensional wound core open dry-type transformer, is characterized in that, comprising:
Three dimensional wound core, adopts amorphous band to make, in vertical triangulation shape;
Coil, around the home on three dimensional wound core, coil comprises low-voltage coil and high-tension coil from the inside to the outside, is provided with insulating cylinder between low-voltage coil and high-tension coil;
Clamping structure, comprises upper clamping piece, lower clamping piece, and described upper clamping piece is positioned at above three dimensional wound core, and lower clamping piece is positioned at below three dimensional wound core, by tie-rod between upper and lower folder, upper and lower folder is respectively arranged with briquetting coil pressing.
2. a kind of amorphous core 20kV three dimensional wound core open dry-type transformer according to claim 1, it is characterized in that: described upper clamping piece comprises the upper clamping piece web of the hexagonal structure be spliced by long steel plate and short steel plate interval, and lower clamping piece comprises the lower clamping piece web with upper clamping piece web same shape, same size.
3. a kind of amorphous core 20kV three dimensional wound core open dry-type transformer according to claim 2, it is characterized in that: described upper clamping piece web and lower clamping piece web are respectively arranged with corresponding horizontal arm-tie, horizontal arm-tie is provided with perforation, and described screw rod two ends are each passed through the perforation on horizontal arm-tie and adopt nut check.
4. a kind of amorphous core 20kV three dimensional wound core open dry-type transformer according to claim 2, is characterized in that: described upper clamping piece web and lower clamping piece web are respectively arranged with briquetting fixture, and described briquetting is fixedly mounted on briquetting fixture.
5. a kind of amorphous core 20kV three dimensional wound core open dry-type transformer according to claim 4, is characterized in that: the briquetting fixture position of described upper clamping piece is corresponding with the position of the briquetting fixture of lower clamping piece.
6. a kind of amorphous core 20kV three dimensional wound core open dry-type transformer according to claim 1, it is characterized in that: also comprise base, described three dimensional wound core and lower clamping piece are placed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736653.6U CN204991402U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736653.6U CN204991402U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
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| Publication Number | Publication Date |
|---|---|
| CN204991402U true CN204991402U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520736653.6U Active CN204991402U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
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| CN (1) | CN204991402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010684A (en) * | 2016-10-28 | 2018-05-08 | 上海置信电气非晶有限公司 | A kind of three dimensional wound core transformer draws screw-rod structure |
-
2015
- 2015-09-21 CN CN201520736653.6U patent/CN204991402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010684A (en) * | 2016-10-28 | 2018-05-08 | 上海置信电气非晶有限公司 | A kind of three dimensional wound core transformer draws screw-rod structure |
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