CN102930963B - Power transformer and manufacture method thereof - Google Patents
Power transformer and manufacture method thereof Download PDFInfo
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- CN102930963B CN102930963B CN201210401671.XA CN201210401671A CN102930963B CN 102930963 B CN102930963 B CN 102930963B CN 201210401671 A CN201210401671 A CN 201210401671A CN 102930963 B CN102930963 B CN 102930963B
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- winding
- nexine
- isolated part
- power transformer
- outer winding
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 131
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000002657 fibrous material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Transformer Cooling (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of power transformer, comprise nexine winding and outer winding, comprise further: isolated part, described isolated part is arranged between described nexine winding and outer winding; Support component, described support component is arranged between described isolated part and described nexine winding, and/or between isolated part and outer winding, has passage between described nexine winding and outer winding; Fluid media (medium), described fluid media (medium) fills in described passage.The invention also discloses the manufacture method of above-mentioned power transformer.The present invention has the advantages such as perfect heat-dissipating, application be wide.
Description
Technical field
The present invention relates to voltage transformer, particularly relate to a kind of power transformer and manufacture method thereof of heat dispersion excellence.
Background technology
Power transformer is one of capital equipment of power plant and electric substation.The effect of transformer is many-sided, boosted voltage electric energy can not only be delivered to electricity consumption area, voltage can also be reduced to use voltage at different levels, to meet the needs of electricity consumption.
Common power transformer major part is oil immersed type.Iron core and winding all soak and are filling with among the fuel tank of transformer oil, and the end points of each winding causes the outside of fuel tank by insulating sleeve, so as with outer connection.Fig. 1 schematically illustrates the basic system figure of power transformer of the prior art, as shown in Figure 1, in oil-immersed power transformer, internal layer winding 21 and outer winding 11 closely close, the heat that winding produces is taken away by the peripheral transformer oil of whole winding.Such power transformer has many deficiencies, as:
1, heat dispersion is poor, and together, transformer oil is difficult to take away these heats fast the heat accumulation that winding produces, and easily the accidents such as transformer burns occurs, is difficult to be applied in high-power transformer;
2, volume is large, needing to make winding be immersed in transformer oil, in order to obtain better radiating effect, needing relatively large container to hold.
Summary of the invention
The technical problem that the present invention solves is the above-mentioned defect overcoming prior art existence, provides the power transformer that a kind of heat dispersion is excellent, safe, and the manufacture method of the simple power transformer of a kind of technique.
The object of the invention is to be achieved through the following technical solutions:
A kind of power transformer, comprises nexine winding and outer winding, comprises further:
Isolated part, described isolated part is arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolated part and described nexine winding, and/or between isolated part and outer winding, has passage between described nexine winding and outer winding;
Fluid media (medium), described fluid media (medium) fills in described passage.
According to above-mentioned power transformer, preferably, described nexine winding and outer winding are oval tubular.
According to above-mentioned power transformer, preferably, described isolated part is that corrugated is wavy or step-like.
According to above-mentioned power transformer, preferably, described isolated part and/or support component adopt fiber material.
According to above-mentioned power transformer, preferably, described nexine winding and/or outer winding are divided into radius of curvature major part and smaller portions, and described support component is arranged on the outside of the inner side of the curvature smaller portions of described outer winding and/or the curvature smaller portions of nexine winding.
According to above-mentioned power transformer, preferably, described passage is in the axis of described nexine winding and/or outer winding.
According to above-mentioned power transformer, alternatively, described fluid media (medium) is insulating oil.
Object of the present invention is also achieved by the following technical programs:
A manufacture method for power transformer, comprises winding fitting step, and described winding configuration step is further comprising the steps:
(A1) nexine winding is installed additional;
(A2) at the arranged outside isolated part of described nexine winding, the inner side of described isolated part and/or arranged outside support component;
(A3) at the outer winding of the arranged outside of described isolated part, between described nexine winding and outer winding, there is passage;
(A4) in described passage, fluid media (medium) is filled with.
According to above-mentioned manufacture method, preferably, described isolated part is that corrugated is wavy or step-like.
According to above-mentioned manufacture method, preferably, described isolated part and/or support component adopt the fiber material of insulation.
According to above-mentioned manufacture method, preferably, described nexine winding and/or outer winding are divided into radius of curvature major part and smaller portions, and described support component is arranged on the outside of the inner side of the radius of curvature smaller portions of described outer winding and/or the radius of curvature smaller portions of nexine winding.
According to above-mentioned manufacture method, preferably, described passage is formed at the axis of described nexine winding and/or outer winding.
Compared with prior art, the present invention has following beneficial effect:
1, good heat dissipation effect.Passage is set between nexine winding and outer winding, makes fluid take away the heat of winding generation fast, in time, make power transformer safe and reliable, can be applied in high-power transformer;
2, volume is little, between winding, arrange passage, although increase the spacing between winding, without the need to being immersed in relatively large container by winding, can reduce the volume of power transformer.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art it is easily understood that: these accompanying drawings only for illustrating technical scheme of the present invention, and and are not intended to be construed as limiting protection scope of the present invention.In figure:
Fig. 1 is the basic block diagram of a kind of power transformer of the prior art;
Fig. 2 is the basic block diagram of the power transformer of the embodiment of the present invention 1;
Fig. 3 is the vertical view of the power transformer of the embodiment of the present invention 1;
Fig. 4 is the flow chart of the power transformer manufacture method of the embodiment of the present invention 1;
Fig. 5 is the basic block diagram of the power transformer of the embodiment of the present invention 2.
Embodiment
Fig. 2-5 and following description describe Alternate embodiments of the present invention and how to implement to instruct those skilled in the art and to reproduce the present invention.In order to instruct technical solution of the present invention, simplifying or having eliminated some conventional aspects.Those skilled in the art should understand that the modification that is derived from these execution modes or replace will within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present invention in every way.Thus, the present invention is not limited to following Alternate embodiments, and only by claim and their equivalents.
Embodiment 1:
Fig. 2 schematically illustrates the basic block diagram of the power transformer of the embodiment of the present invention, and as shown in Figure 2, described power transformer comprises
Nexine winding 21 and outer winding 11, described nexine winding 21 and outer winding 11 are state of the art, do not repeat them here.Preferably, described nexine winding and the oval tubular of outer winding shape can certainly be other shapes, as cylindrical shape etc.
Isolated part, Fig. 3 schematically illustrates isolated part and the strutting piece basic block diagram of the embodiment of the present invention, and as shown in Figure 3, described isolated part 31 is arranged between described nexine winding 21 and outer winding 11; Described isolated part can adopt insulation (as fiber material) or non-insulating material, is preferably insulating material.
Support component 32, described support component 32 is arranged between described isolated part 31 and described nexine winding 21, and/or between isolated part 31 and outer winding 11, for supporting described isolated part 31, thus make, between described nexine winding 31 and outer winding 11, there is passage 41.In order to form passage better, preferably, described isolated part is wavy or step-like or other shape of corrugated; Described passage is in the axis of described nexine winding and/or outer winding.
Fluid media (medium), described fluid media (medium) fills in described passage, thus takes away the heat of winding generation fast, in time.Alternatively, described fluid media (medium) adopts the insulating oil of good heat conductivity.
Fig. 4 schematically illustrates the flow chart of the power transformer manufacture method of the embodiment of the present invention, and described manufacture method comprises winding fitting step, and as shown in Figure 4, described winding fitting step is further comprising the steps:
(A1) nexine winding is installed additional;
(A2) at the arranged outside isolated part of described nexine winding, the inner side of described isolated part and/or arranged outside support component;
Fig. 3 schematically illustrates isolated part and the strutting piece basic block diagram of the embodiment of the present invention, and as shown in Figure 3, described isolated part is arranged between described nexine winding and outer winding; Described isolated part can adopt insulation (as fiber material) or non-insulating material, is preferably insulating material;
Described support component is arranged between described isolated part and described nexine winding, and/or between isolated part and outer winding, for supporting described isolated part, thus makes to have the space that can form fluid passage between described nexine winding and outer winding;
(A3) at the outer winding of the arranged outside of described isolated part, between described nexine winding and outer winding, there is passage;
In order to form passage better, preferably, described isolated part is wavy or step-like or other shape of corrugated; Described passage is in the axis of described nexine winding and/or outer winding.
(A4) in described passage, be filled with fluid media (medium), the heat that described fluid media (medium) produces for taking away winding, thus effectively reduce the temperature of winding, ensure that power transformer is stable, work safely.
In above-mentioned manufacture method, the concrete set-up mode of nexine winding and outer winding is the state of the art, does not repeat them here.
Be according to the benefit that the embodiment of the present invention 1 reaches: be used for by arranging between winding the passage that accommodating belt walks the fluid media (medium) of heat, thus take away the amount of heat of winding generation fast, in time, and then ensure that voltage transformer is stablized, worked safely, lay the foundation for power transformer is applied in more complicated, wider field.
Embodiment 2:
Power transformer according to embodiment 1 and the application examples of manufacture method thereof, in this application examples, as shown in Figure 5, described isolated part 31 adopts paper material, have corrugated, and arrange strutting piece 32 at described bending part, described strutting piece 32 also adopts paper material.The production method of described isolated part is: smooth cardboard by bender, thus obtains the papery part of corrugated.Described nexine winding 21 and outer winding 11 are in oval tubular, be divided into radius of curvature major part and smaller portions, in radius of curvature smaller portions, the pressure that described isolated part bears is larger, therefore support component 32 described in the inner side of radius of curvature smaller portions of described outer winding 11 and the arranged outside of the radius of curvature smaller portions of nexine winding 21, thus make to form fluid passage 41 in the axis along described nexine and outer winding, utilize the oil be filled with in fluid passage 41 to remove to take away the amount of heat of winding generation better.
Embodiment 3:
Power transformer according to embodiment 1 and the application examples of manufacture method thereof, in this application examples, described isolated part adopts paper material, and have wavy, and arrange strutting piece at described interior bending part, described strutting piece also adopts paper material.Described nexine winding and outer winding are oval tubular, be divided into radius of curvature major part and smaller portions, in radius of curvature smaller portions, the pressure that described isolated part bears is larger, therefore support component described in the arranged outside of the inner side of the radius of curvature smaller portions of described outer winding and the radius of curvature smaller portions of nexine winding, thus make to form fluid passage in the axis along described nexine and outer winding.
Above-described embodiment is only the shape exemplarily giving isolated part employing, can also be other shape certainly, as step-like; Nexine winding and outer winding can also adopt other shapes such as cylindric; Isolated part and support component can also adopt other material, as ambroin.
Claims (9)
1. a power transformer, comprises nexine winding and outer winding, it is characterized in that: described power transformer comprises further:
Isolated part, described isolated part is arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolated part and described nexine winding, and/or between isolated part and outer winding, has passage between described nexine winding and outer winding; Described nexine winding and outer winding are oval tubular, described nexine winding and/or outer winding are divided into radius of curvature major part and smaller portions, and described support component is only arranged on the outside of the inner side of the radius of curvature smaller portions of described outer winding and the radius of curvature smaller portions of nexine winding;
Heat transmission dielectric fluid medium, described fluid media (medium) fills in described passage.
2. power transformer according to claim 1, is characterized in that: described isolated part is that corrugated is wavy or step-like.
3. power transformer according to claim 1, is characterized in that: described isolated part and/or support component adopt fiber material.
4. power transformer according to claim 1, is characterized in that: described passage is in the axis of described nexine winding and/or outer winding.
5. power transformer according to claim 1, is characterized in that: described fluid media (medium) is insulating oil.
6. a manufacture method for power transformer, comprises winding fitting step, it is characterized in that: described winding configuration step is further comprising the steps:
(A1) nexine winding is installed additional;
(A2) at the arranged outside isolated part of described nexine winding, the inner side of described isolated part and/or arranged outside support component; Described nexine winding and outer winding are oval tubular, described nexine winding and/or outer winding are divided into radius of curvature major part and smaller portions, and described support component is only arranged on the outside of the inner side of the radius of curvature smaller portions of described outer winding and the radius of curvature smaller portions of nexine winding;
(A3) at the outer winding of the arranged outside of described isolated part, between described nexine winding and outer winding, there is passage;
(A4) in described passage, heat transmission dielectric fluid medium is filled with.
7. manufacture method according to claim 6, is characterized in that: described isolated part is that corrugated is wavy or step-like.
8. manufacture method according to claim 6, is characterized in that: described isolated part and/or support component adopt the fiber material of insulation.
9. manufacture method according to claim 6, is characterized in that: described passage is formed at the axis of described nexine winding and/or outer winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210401671.XA CN102930963B (en) | 2012-10-22 | 2012-10-22 | Power transformer and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210401671.XA CN102930963B (en) | 2012-10-22 | 2012-10-22 | Power transformer and manufacture method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102930963A CN102930963A (en) | 2013-02-13 |
| CN102930963B true CN102930963B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210401671.XA Active CN102930963B (en) | 2012-10-22 | 2012-10-22 | Power transformer and manufacture method thereof |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104576011A (en) * | 2014-12-17 | 2015-04-29 | 芜湖金牛电气股份有限公司 | Manufacturing device and method of power transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226819A (en) * | 2007-11-26 | 2008-07-23 | 青岛青波变压器股份有限公司 | Method for coiling iron-core transformer winding using cuprum aluminum composite conductor and winding thereof |
| CN201315231Y (en) * | 2008-10-28 | 2009-09-23 | 青州市福利电力变压器厂 | An oil-immersed transformer low-voltage winding |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN202917310U (en) * | 2012-10-22 | 2013-05-01 | 芜湖金牛电气股份有限公司 | Power transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08115827A (en) * | 1994-08-23 | 1996-05-07 | Fuji Electric Co Ltd | Support device of gas-insulated-transformer winding and its manufacture |
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2012
- 2012-10-22 CN CN201210401671.XA patent/CN102930963B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226819A (en) * | 2007-11-26 | 2008-07-23 | 青岛青波变压器股份有限公司 | Method for coiling iron-core transformer winding using cuprum aluminum composite conductor and winding thereof |
| CN201315231Y (en) * | 2008-10-28 | 2009-09-23 | 青州市福利电力变压器厂 | An oil-immersed transformer low-voltage winding |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN202917310U (en) * | 2012-10-22 | 2013-05-01 | 芜湖金牛电气股份有限公司 | Power transformer |
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| Publication number | Publication date |
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| CN102930963A (en) | 2013-02-13 |
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Denomination of invention: Power transformer and its manufacturing method Effective date of registration: 20220321 Granted publication date: 20150930 Pledgee: Anhui Nanling Rural Commercial Bank Co.,Ltd. Pledgor: WUHU JINNIU ELECTRIC Co.,Ltd. Registration number: Y2022980002827 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20150930 Pledgee: Anhui Nanling Rural Commercial Bank Co.,Ltd. Pledgor: WUHU JINNIU ELECTRIC Co.,Ltd. Registration number: Y2022980002827 |