CN201332002Y - Dual-oil duct coil of transformer - Google Patents
Dual-oil duct coil of transformer Download PDFInfo
- Publication number
- CN201332002Y CN201332002Y CNU2009200786983U CN200920078698U CN201332002Y CN 201332002 Y CN201332002 Y CN 201332002Y CN U2009200786983 U CNU2009200786983 U CN U2009200786983U CN 200920078698 U CN200920078698 U CN 200920078698U CN 201332002 Y CN201332002 Y CN 201332002Y
- Authority
- CN
- China
- Prior art keywords
- coils
- oil duct
- dual
- insulating end
- round copper
- 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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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a dual-oil duct coil of a transformer, comprising corrugated boards, angle rings and insulating end coils arranged at the upper and lower ends, and enameling round copper coils; wherein the angle rings are separately arranged at the outer ends of the insulating end coils at the upper and lower ends; the enameling round copper coils, corrugated boards and boards are arranged between the insulating end coils at the upper and lower ends; a mind oil duct is arranged in the enameling round copper coils; oil ducts, which are dual-oil ducts, are arranged between the said copper coils. The utility model employs dual-oil duct layer type coils which are layered coils having two cooling oil ducts inside, increasing two cooling faces, greatly improving the cooling capability of coils, reducing the temperature rise of coils. The utility model raises the current density and reduces copper consumption, so as to effectively improve products reliability and the economic benefit of enterprises.
Description
Technical field
The utility model belongs to the components and parts field of power equipment, specifically relates to the two oil duct coils of a kind of transformer.
Background technology
At present for the coil in the transformer, especially capacity 〉=630kVA, traditional single oil duct layer coil of electric pressure 〉=35kV, its heat dispersion is relatively poor, great majority are that loss also is not up to state standards, and temperature rise just exceeds standard greatly, undoubtedly can accelerating coil aging, shorten the useful life of coil, so need improve.
The utility model content
The purpose of this utility model is to address the above problem, and provides a kind of transformer simple in structure, perfect heat-dissipating two oil duct coils.
For reaching the foregoing invention purpose, the technical scheme that is adopted is: the two oil duct coils of a kind of transformer, mainly by corrugated board, the square ring and the insulating end ring at two ends up and down, and the enamel insulated round copper wire circle connects and composes, wherein square ring is placed in the outer end of two ends insulating end ring up and down respectively, between the insulating end ring at two ends, be provided with main oil gallery in the enamel insulated round copper wire circle about enamel insulated round copper wire circle, corrugated board and cardboard place, be provided with oil duct in the gap between the described copper coil.Described oil duct is two oil ducts.
The utility model adopts two oil duct layer coils, promptly is provided with two heat radiation oil ducts a layer coil inside, owing to increased by two radiating surfaces, has improved the heat-sinking capability of coil greatly, has reduced coil temperature rise.Like this, in the national standard exhaustion range, can carry high electric density, reduce copper consumption.One has effectively strengthened reliability of products, and two have also improved economic benefit of enterprises.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the cross-sectional structure schematic diagram of the enamel insulated round copper wire circle of copper coil formation;
Wherein: 1-corrugated board, 2-square ring, 3-insulating end ring, 4-cardboard cylinder, 5-cardboard, the insulation of 6-end, 7-enamel insulated round copper wire circle, 8-stay, 9-oil duct, 10-main oil gallery.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As shown in Figure 1, the two oil duct coils of a kind of transformer, mainly by corrugated board 1, the square ring 2 and the insulating end ring 3 at two ends up and down, and enamel insulated round copper wire circle 7 connects and composes, wherein square ring 2 is placed in the outer end of two ends insulating end ring 3 up and down respectively, between the insulating end ring 3 at two ends, be provided with main oil gallery 10 in the enamel insulated round copper wire circle 7 about enamel insulated round copper wire circle 7, corrugated board 1 and cardboard 5 place, be provided with two oil ducts 9 in the gap between the described copper coil 9.
Claims (2)
1, the two oil duct coils of a kind of transformer, mainly by corrugated board (1), square ring at two ends (2) and insulating end ring (3) up and down, and enamel insulated round copper wire circle (7) connects and composes, wherein square ring (2) is placed in the outer end of two ends insulating end ring (3) up and down respectively, enamel insulated round copper wire circle (7), corrugated board (1) and cardboard (5) place between the insulating end ring (3) at two ends up and down, be provided with main oil gallery (10) in the enamel insulated round copper wire circle (7), it is characterized in that: be provided with oil duct (9) in the gap between the described enamel insulated round copper wire circle (7).
2, the two oil duct coils of transformer according to claim 1 is characterized in that: described oil duct (9) is two oil ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200786983U CN201332002Y (en) | 2009-01-16 | 2009-01-16 | Dual-oil duct coil of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200786983U CN201332002Y (en) | 2009-01-16 | 2009-01-16 | Dual-oil duct coil of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332002Y true CN201332002Y (en) | 2009-10-21 |
Family
ID=41225384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200786983U Expired - Fee Related CN201332002Y (en) | 2009-01-16 | 2009-01-16 | Dual-oil duct coil of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201332002Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097203A (en) * | 2010-12-17 | 2011-06-15 | 辽宁华冶集团发展有限公司 | Main insulating structure of 220KV three-phase three-coil power transformer |
-
2009
- 2009-01-16 CN CNU2009200786983U patent/CN201332002Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097203A (en) * | 2010-12-17 | 2011-06-15 | 辽宁华冶集团发展有限公司 | Main insulating structure of 220KV three-phase three-coil power transformer |
| CN102097203B (en) * | 2010-12-17 | 2012-05-30 | 辽宁华冶集团发展有限公司 | Main insulating structure of 220KV three-phase three-coil power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20130116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |