CN204991401U - Three -dimensional book of amorphous 35kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination - Google Patents
Three -dimensional book of amorphous 35kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination Download PDFInfo
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- CN204991401U CN204991401U CN201520736613.1U CN201520736613U CN204991401U CN 204991401 U CN204991401 U CN 204991401U CN 201520736613 U CN201520736613 U CN 201520736613U CN 204991401 U CN204991401 U CN 204991401U
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Abstract
The utility model discloses a three -dimensional book of amorphous 35kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination, it is unshakable in one's determination including the three -dimensional book of the triangle -shaped who adopts the preparation of amorphous strip, three -dimensional roll up unshakable in one's determination going up around having put three group's coils, every group coil includes low voltage coil and high -pressure coil, is provided with low pressure pin configuration and high tension lead structure on the coil, and coil terminal surface from top to bottom is provided with the briquetting that is used for compressing tightly the coil, and the briquetting body is the smooth hexahedron structure of upper and lower terminal surface, hexahedron structure is less than the width towards coil outside one end towards the width of the inboard one end of coil, and its width ratio is the same with the diameter ratio that inside and outside side line enclosed. Through the briquetting that adopts this kind of structure for the inboard heat dissipation channel grow of coil has improved the unbalanced situation of the inside and outside side of coil heat dissipation, has improved dry -type transformer's heat -sinking capability, simultaneously the lower terminal surface of this briquetting in by the coil side direction coil outside crescent, make the briquetting more equitable to the seal face total mark cloth of coil, the packing force is more even.
Description
Technical field
The utility model relates to a kind of dry-type transformer, particularly relates to a kind of amorphous core 35kV 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.The upper and lower end face of dry-type transformer coil is provided with briquetting usually to be fixed coil, the briquetting of dry-type transformer coil common mostly at present is the rectangular structure of rule, but because the temperature inside coil is usually than the height in outside, therefore more heat dissipation channel is needed, and the briquetting of rectangular structure its cover at the area of the medial and lateral of coil the same, be unfavorable for distributing of transformer coil internal heat, cause transformer coil medial and lateral to dispel the heat uneven, have impact on the radiating effect of transformer whole.
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 35kV 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 35kV three dimensional wound core open dry-type transformer, comprise the triangular solid rewinding material adopting amorphous band to make, described three dimensional wound core there are around the home three groups of coils, often organize coil and comprise low-voltage coil and high-tension coil from the inside to the outside, coil is provided with low voltage lead structure and high pressure lead wire structure, coil upper and lower end face is provided with the briquetting for coil pressing, described briquetting body is upper, the hexahedron structure that lower surface is smooth, described hexahedron structure is less than towards the width of coil lateral ends towards the width of coil inner opposite end, its width ratio is with interior, the diameter of outer coil is than identical.
As the further improvement of technique scheme, be provided with upper clamping piece above described coil, below is provided with lower clamping piece, and described briquetting is arranged on upper clamping piece and lower clamping piece respectively.
As the further improvement of technique scheme, described upper clamping piece and lower clamping piece pass through the tie-rod of more than three.
As the further improvement of technique scheme, between described three groups of coils, be provided with dividing plate, improve the insulation property of coil.
As the further improvement of technique scheme, between described low-voltage coil and high-tension coil, be provided with insulating cylinder, improve the insulation property of coil further.
As the further improvement of technique scheme, between described low-voltage coil and high-tension coil, be provided with air flue, be conducive to the heat radiation of coil.
The beneficial effects of the utility model are:
The briquetting that amorphous core 35kV three dimensional wound core open dry-type transformer of the present utility model adopts, its width towards transformer coil inner opposite end is less than towards the width of transformer coil lateral ends, its width ratio is with interior, the diameter of outer ring coil is than identical, by adopting the briquetting of this kind of structure, the heat dissipation channel inside coil is made to become large, improve in coil, the unbalanced situation of outside heat radiation, improve the heat-sinking capability of whole transformer, the lower surface of this briquetting increases outside side direction coil gradually by coil simultaneously, make the compression area distributions of briquetting to coil more reasonable, thrust evenly.
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 structural representation of briquetting.
Embodiment
See figures.1.and.2, a kind of amorphous core 35kV three dimensional wound core open dry-type transformer that the utility model provides, comprise the triangular solid rewinding material 1 adopting amorphous band to make, three dimensional wound core 1 there are around the home three groups of coils 2, often organize coil 2 and comprise low-voltage coil and high-tension coil from the inside to the outside, coil 2 is provided with low voltage lead structure 3 and high pressure lead wire structure 4.Be provided with upper clamping piece 5 above coil 2, below is provided with lower clamping piece 6, by the tie-rod of more than three between upper clamping piece 5 and lower clamping piece 6, upper clamping piece 5 and lower clamping piece 6 is separately installed with the briquetting 7 for coil pressing 2 upper and lower end face.Described briquetting 7 body is the smooth hexahedron structure of upper and lower end face, and described hexahedron structure is less than towards the width of transformer coil 2 lateral ends towards the width of transformer coil 2 inner opposite end, its width than with the diameter of medial and lateral coil 2 than identical.
Further, between three groups of described coils 3, be provided with dividing plate, and often organize between the low-voltage coil of coil 2 and high-tension coil and be provided with insulating cylinder, improve the insulation property of coil 2.Meanwhile, between described low-voltage coil and high-tension coil, be provided with air flue, be conducive to the heat radiation of coil.
The briquetting 7 that amorphous core 35kV three dimensional wound core open dry-type transformer of the present utility model adopts, its width towards transformer coil 2 inner opposite end is less than towards the width of transformer coil 2 lateral ends, its width ratio is with interior, the diameter of outer ring coil 2 is than identical, by adopting the briquetting 7 of this kind of structure, the heat dissipation channel inside coil 2 is made to become large, improve in coil 2, the unbalanced situation of outside heat radiation, improve the heat-sinking capability of whole transformer, the lower surface of this briquetting 7 increases outside side direction coil 2 gradually by coil 2 simultaneously, make the compression area distributions of briquetting 7 pairs of coils 2 more reasonable, thrust evenly.
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 35kV three dimensional wound core open dry-type transformer, it is characterized in that: comprise the triangular solid rewinding material adopting amorphous band to make, described three dimensional wound core there are around the home three groups of coils, often organize coil and comprise low-voltage coil and high-tension coil from the inside to the outside, coil is provided with low voltage lead structure and high pressure lead wire structure, coil upper and lower end face is provided with the briquetting for coil pressing, described briquetting body is upper, the hexahedron structure that lower surface is smooth, described hexahedron structure is less than towards the width of coil lateral ends towards the width of coil inner opposite end, its width ratio is with interior, the diameter of outer coil is than identical.
2. a kind of amorphous core 35kV three dimensional wound core open dry-type transformer according to claim 1, it is characterized in that: be provided with upper clamping piece above described coil, below is provided with lower clamping piece, described briquetting is arranged on upper clamping piece and lower clamping piece respectively.
3. a kind of amorphous core 35kV three dimensional wound core open dry-type transformer according to claim 2, is characterized in that: described upper clamping piece and lower clamping piece pass through the tie-rod of more than three.
4. a kind of amorphous core 35kV three dimensional wound core open dry-type transformer according to claim 1, is characterized in that: be provided with dividing plate between described three groups of coils.
5. a kind of amorphous core 35kV three dimensional wound core open dry-type transformer according to claim 1, is characterized in that: be provided with insulating cylinder between described low-voltage coil and high-tension coil.
6. a kind of amorphous core 35kV three dimensional wound core open dry-type transformer according to claim 5, is characterized in that: be provided with air flue between described low-voltage coil and high-tension coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736613.1U CN204991401U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 35kV 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 |
|---|---|---|---|
| CN201520736613.1U CN204991401U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 35kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991401U true CN204991401U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520736613.1U Active CN204991401U (en) | 2015-09-21 | 2015-09-21 | Three -dimensional book of amorphous 35kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991401U (en) |
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2015
- 2015-09-21 CN CN201520736613.1U patent/CN204991401U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |