CN102982979A - Pancake coil wound three-phase transformer - Google Patents
Pancake coil wound three-phase transformer Download PDFInfo
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- CN102982979A CN102982979A CN2012105772752A CN201210577275A CN102982979A CN 102982979 A CN102982979 A CN 102982979A CN 2012105772752 A CN2012105772752 A CN 2012105772752A CN 201210577275 A CN201210577275 A CN 201210577275A CN 102982979 A CN102982979 A CN 102982979A
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Abstract
The invention discloses a pancake coil wound three-phase transformer, which comprises an iron core and windings, wherein each winding comprises a primary winding and a secondary winding; the primary winding of each winding comprises a plurality of pancake primary coils; the secondary winding of each winding comprises a plurality of pancake secondary coils which are the same as the pancake primary coils of each winding in number; each single pancake secondary coil of each winding is adjacent to the corresponding single pancake primary coil to form a branch winding; and the pancake primary coils of the branch windings of each winding are adjacent to one another. The pancake coils are superposed, a clearance is formed between each two adjacent pancake coils, and a magnetic leakage sheet is clamped between the pancake secondary coil and the pancake primary coil of each branch winding. Therefore, the pancake coil of the pancake coil wound three-phase transformer has the characteristics of small intermediate diameter, material conservation and the like, effectively improves electric density, shortens the whole volume, and has good ventilation and heat dissipation performance; and furthermore, the leakage inductance is adjusted by the magnetic leakage sheet, so that the process is convenient to operate and easy to control and a relatively large leakage inductance is obtained by a relatively small magnetic branch.
Description
Technical field
The present invention relates to the field transformer technology, refer in particular to a kind of crossover coil winding three-phase transformer.
Background technology
In electric equipment and radio-circuit, transformer is commonly used for lifting voltage, and transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage.
Traditional three-phase transformer includes the iron core with three iron core column and a plurality of transverse sheets and the winding that is placed on each iron core column, this winding includes elementary pitch of the laps and secondary pitch of the laps, common elementary pitch of the laps and secondary pitch of the laps are drum type coil, manufacture with practical application in can find, there are many defectives in it, for example, overall volume is large, it is large to take up room, and is not easy to arrange; Heat radiation is difficult, is unfavorable for safeguarding the performance of coil; And the leakage inductance of the three-phase transformer in the conventional art is difficult for management and control.
Therefore, need to work out a kind of new technical scheme and solve the problems referred to above.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose provides a kind of crossover coil winding three-phase transformer, its effectively promoted electric close, dwindle overall volume, have good ventilation and heat performance, and utilize the leakage field sheet to adjust leakage inductance, obtain larger leakage inductance with less magnetic branch road.
For achieving the above object, the present invention adopts following technical scheme:
A kind of crossover coil winding three-phase transformer, include iron core, winding and be used for the fixedly fixed structure of winding and iron core, this iron core comprises three iron core column and is arranged at respectively upper end transverse sheet and the lower end transverse sheet of iron core column upper and lower end, this winding is placed on the iron core column, and each winding includes armature winding and secondary winding;
The armature winding of each winding includes some cake formula primary coils, and the secondary winding of each winding includes the cake formula secondary coil of equal number, wherein, single cake formula secondary coil on each winding is adjacent with corresponding single cake formula primary coil is arranged to a sub-winding, and the adjacent setting of cake formula primary coil of each sub-winding on each winding;
Be folded with the leakage field sheet between the cake formula secondary coil of each sub-winding and the cake formula primary coil, and, aforementioned along between iron core column direction any adjacent the cake formula secondary coil and cake formula primary coil, between any adjacent the cake formula secondary coil and cake formula secondary coil, all be formed with the gap between any adjacent cake formula primary coil and the cake formula primary coil, be folded with the bakelite plate of insulation usefulness in each gap, each cake formula is inferior, the tap of primary coil stretches out in the winding outside from corresponding aforementioned gap respectively;
This fixed structure includes the first securing member and the second securing member; Wherein, this first securing member includes the first locking screw and is closely set in respectively the first fixed head of lower end transverse sheet left and right side, each first fixed head includes starting stave and the first level board that extends from the outside vertical bending of starting stave bottom one, this first locking screw runs through lower end transverse sheet and two starting staves and is locked on two starting staves, and, offer some installing holes on this first level board; This second securing member comprises mounting panel, the second locking screw and is closely set in respectively the second fixed head of upper end transverse sheet left and right side, each second fixed head includes the second riser and the second level board that extends from the outside vertical bending of the second riser bottom one, this second locking screw runs through upper end transverse sheet and two second risers and is locked on two second risers, this mounting panel is locked on the second level board, and aforementioned cake formula is inferior, the winding backward upper extension setting in the outside is stretched out respectively in the tap of primary coil and form the tap link on mounting panel.
As a kind of preferred version, a plurality of cake formula primary coil tap on the described same iron core column compiles in the winding outside and is connected to same tap link, and a plurality of cake formula secondary coil tap on the same iron core column compiles in the winding outside and is connected to another tap link.
As a kind of preferred version, described cake formula secondary coil and cake formula primary coil all round wire-wound system all form.
The present invention compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, it mainly is by adopting the disc coil stack to arrange, and be formed with the gap between adjacent disc coil, and be folded with the leakage field sheet between the cake formula secondary coil of each sub-winding and the cake formula primary coil; So, adopt its central diameter of disc coil little, economize, provide cost savings with material, and the superposing type setting, it is close to promote electricity, dwindles overall volume, gap between adjacent disc coil is so that winding has good ventilation and heat performance, and, by being set, the leakage field sheet adjusts leakage inductance, and its technological operation is convenient, easily management and control obtains larger leakage inductance with less magnetic branch road; Next is that aforementioned biscuit formula coil all adopts round wire-wound system, to improve the high frequency skin effect.
For more clearly setting forth architectural feature of the present invention and effect, the present invention is described in detail below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the assembling schematic perspective view of the present invention's preferred embodiment;
Fig. 2 is the decomposition texture schematic diagram of the present invention's preferred embodiment;
Fig. 3 is the front view of the present invention's preferred embodiment;
Fig. 4 is the end view of the present invention's preferred embodiment;
Fig. 5 is the vertical view of the present invention's preferred embodiment;
Fig. 6 is the concrete structure schematic diagram of iron core in the present invention's the preferred embodiment;
Fig. 7 is the electrical schematic diagram of the present invention's preferred embodiment.
The accompanying drawing identifier declaration:
10, iron core 11, iron core column
121, upper end transverse sheet 122, lower end transverse sheet
20, winding
21, cake formula primary coil 22, cake formula secondary coil
201, gap 30, leakage field sheet
40, bakelite plate 50, the first securing member
51, the first locking screw 52, the first fixed head
521, starting stave 522, the first level board
5221, installing hole
60, the second securing member 61, mounting panel
62, the second locking screw 63, the second fixed head
631, the second riser 632, the second level board
70, tap 71, tap link.
Embodiment
Please refer to Fig. 1 to shown in Figure 7, it has demonstrated the concrete structure of the present invention's preferred embodiment, this crossover coil winding three-phase transformer includes iron core 10, winding and is used for the fixedly fixed structure of winding and iron core 10, this iron core 10 comprises three iron core column 11 and is arranged at respectively upper end transverse sheet 121 and the lower end transverse sheet 122 of iron core column 11 upper and lower ends, this winding is placed on the iron core column, and each winding includes armature winding and secondary winding; The armature winding of this each winding 20 includes some cake formula primary coils 21, and the secondary winding of each winding 20 includes the cake formula secondary coil 22 of equal number, inferior, primary coil all designs cake formula structure, be herein the coil of considering cake formula structure have central diameter little, with the advantage of material province; This cake formula secondary coil 22 and cake formula primary coil 21 all round wire-wound system all form, and are conducive to improve the high frequency skin effect; Wherein, the single cake formula secondary coil 22 on each winding 20 and corresponding single cake formula primary coil 21 are adjacent is arranged to a sub-winding, and the cake formula primary coil 21 adjacent settings of each sub-winding on each winding 20.
Be folded with leakage field sheet 30 between the cake formula secondary coil 22 of each sub-winding and the cake formula primary coil 21, adjust the size of leakage inductance by this leakage field sheet 30, it is easy to operate, and, aforementioned along between iron core column 11 directions any adjacent the cake formula secondary coil 22 and cake formula primary coil 21, between any adjacent the cake formula secondary coil 22 and cake formula secondary coil 22, all be formed with gap 201 between any adjacent cake formula primary coil 21 and the cake formula primary coil 21, be folded with the bakelite plate 40 of insulation usefulness in each gap 201; Each cake formula is inferior, the tap 70 of primary coil stretches out in the winding outside from corresponding aforementioned gap 201 respectively.
This fixed structure includes the first securing member 50 and the second securing member 60;
Wherein, this first securing member 50 includes the first locking screw 51 and is closely set in respectively the first fixed head 52 of lower end transverse sheet 122 left and right sides, each first fixed head 52 includes starting stave 521 and the first level board 522 that extends from the outside vertical bending of starting stave 521 bottom one, this first locking screw 51 runs through lower end transverse sheet 122 and two starting staves 521 and is locked on two starting staves 521, and, offer some installing holes 5221 on this first level board 522;
This second securing member 60 comprises mounting panel 61, the second locking screw 62 and be closely set in respectively transverse sheet 121 left sides, upper end, second fixed head 63 on right side, each second fixed head 63 includes the second riser 631 and the second level board 632 that extends from the outside vertical bending of the second riser 631 bottom one, this second locking screw 62 runs through upper end transverse sheet 121 and two second risers 631 and is locked on two second risers 631, this mounting panel 61 is locked on the second level board 632, and aforementioned cake formula is inferior, the tap 70 of primary coil is stretched out respectively the winding backward upper extension setting in the outside and form tap link 71 on mounting panel 61.A plurality of cake formula primary coil tap 70 on the same iron core column 11 compiles in the winding outside and is connected to same tap link 71, and, a plurality of cake formula secondary coil tap 70 on the same iron core column 11 compiles in the winding outside and is connected to another tap link 71, its compact conformation, overall volume are less, simultaneously, this kind structural design of tap 70 also is conducive to the overall construction intensity of transformer.
Design focal point of the present invention is that it mainly is to arrange by adopting disc coil to superpose, and is formed with the gap between adjacent disc coil, and is folded with the leakage field sheet between the cake formula secondary coil of each sub-winding and the cake formula primary coil; So, adopt its central diameter of disc coil little, economize, provide cost savings with material, and the superposing type setting, it is close to promote electricity, dwindles overall volume, gap between adjacent disc coil is so that winding has good ventilation and heat performance, and, by being set, the leakage field sheet adjusts leakage inductance, and its technological operation is convenient, easily management and control obtains larger leakage inductance with less magnetic branch road; Next is that aforementioned biscuit formula coil all adopts round wire-wound system, to improve the high frequency skin effect.
The above, it only is preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. crossover coil winding three-phase transformer, include iron core, winding and be used for the fixedly fixed structure of winding and iron core, this iron core comprises three iron core column and is arranged at respectively upper end transverse sheet and the lower end transverse sheet of iron core column upper and lower end, this winding is placed on the iron core column, each winding includes armature winding and secondary winding, it is characterized in that:
The armature winding of each winding includes some cake formula primary coils, and the secondary winding of each winding includes the cake formula secondary coil of equal number, wherein, single cake formula secondary coil on each winding is adjacent with corresponding single cake formula primary coil is arranged to a sub-winding, and the adjacent setting of cake formula primary coil of each sub-winding on each winding;
Be folded with the leakage field sheet between the cake formula secondary coil of each sub-winding and the cake formula primary coil, and, aforementioned along between iron core column direction any adjacent the cake formula secondary coil and cake formula primary coil, between any adjacent the cake formula secondary coil and cake formula secondary coil, all be formed with the gap between any adjacent cake formula primary coil and the cake formula primary coil, be folded with the bakelite plate of insulation usefulness in each gap, each cake formula is inferior, the tap of primary coil stretches out in the winding outside from corresponding aforementioned gap respectively;
This fixed structure includes the first securing member and the second securing member; Wherein, this first securing member includes the first locking screw and is closely set in respectively the first fixed head of lower end transverse sheet left and right side, each first fixed head includes starting stave and the first level board that extends from the outside vertical bending of starting stave bottom one, this first locking screw runs through lower end transverse sheet and two starting staves and is locked on two starting staves, and, offer some installing holes on this first level board; This second securing member comprises mounting panel, the second locking screw and is closely set in respectively the second fixed head of upper end transverse sheet left and right side, each second fixed head includes the second riser and the second level board that extends from the outside vertical bending of the second riser bottom one, this second locking screw runs through upper end transverse sheet and two second risers and is locked on two second risers, this mounting panel is locked on the second level board, and aforementioned cake formula is inferior, the winding backward upper extension setting in the outside is stretched out respectively in the tap of primary coil and form the tap link on mounting panel.
2. crossover coil winding three-phase transformer according to claim 1, it is characterized in that: a plurality of cake formula primary coil tap on the described same iron core column compiles in the winding outside and is connected to same tap link, and a plurality of cake formula secondary coil tap on the same iron core column compiles in the winding outside and is connected to another tap link.
3. crossover coil winding three-phase transformer according to claim 1 is characterized in that: described cake formula secondary coil and cake formula primary coil all round wire-wound system all form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577275.2A CN102982979B (en) | 2012-12-27 | 2012-12-27 | Pancake coil wound three-phase transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577275.2A CN102982979B (en) | 2012-12-27 | 2012-12-27 | Pancake coil wound three-phase transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102982979A true CN102982979A (en) | 2013-03-20 |
| CN102982979B CN102982979B (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577275.2A Expired - Fee Related CN102982979B (en) | 2012-12-27 | 2012-12-27 | Pancake coil wound three-phase transformer |
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| CN (1) | CN102982979B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337347A (en) * | 2013-06-20 | 2013-10-02 | 张家港市华为电子有限公司 | High-power frameless industrial frequency transformer |
| CN103680888A (en) * | 2013-11-29 | 2014-03-26 | 西安交通大学苏州研究院 | Magnetic-integration three-phase filter transformer |
| CN105185553A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Three-phase pancake inversion transformer for balancing leakage inductance |
| CN105390242A (en) * | 2015-11-05 | 2016-03-09 | 苏州腾冉电气设备股份有限公司 | Secondary iron core of leakage transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641810A (en) * | 2004-01-11 | 2005-07-20 | 浙江沪光变压器有限公司 | C-class non-sealed coil dry transformer |
| US20080024263A1 (en) * | 2006-07-28 | 2008-01-31 | Delta Electronics, Inc. | Inductor |
| CN201142266Y (en) * | 2007-12-17 | 2008-10-29 | 北京利德华福电气技术有限公司 | Transformer device used in non-network side reactor high-voltage frequency convertor |
| WO2012076334A1 (en) * | 2010-12-08 | 2012-06-14 | Siemens Aktiengesellschaft | Current transformer assembly |
-
2012
- 2012-12-27 CN CN201210577275.2A patent/CN102982979B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1641810A (en) * | 2004-01-11 | 2005-07-20 | 浙江沪光变压器有限公司 | C-class non-sealed coil dry transformer |
| US20080024263A1 (en) * | 2006-07-28 | 2008-01-31 | Delta Electronics, Inc. | Inductor |
| CN201142266Y (en) * | 2007-12-17 | 2008-10-29 | 北京利德华福电气技术有限公司 | Transformer device used in non-network side reactor high-voltage frequency convertor |
| WO2012076334A1 (en) * | 2010-12-08 | 2012-06-14 | Siemens Aktiengesellschaft | Current transformer assembly |
Non-Patent Citations (1)
| Title |
|---|
| 王余尽,潘妙琼,钟梅: "《变压器识图》", 31 January 2009, 化学工业出版社, article ""变压器识图"", pages: 44 - 17 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337347A (en) * | 2013-06-20 | 2013-10-02 | 张家港市华为电子有限公司 | High-power frameless industrial frequency transformer |
| CN103680888A (en) * | 2013-11-29 | 2014-03-26 | 西安交通大学苏州研究院 | Magnetic-integration three-phase filter transformer |
| CN103680888B (en) * | 2013-11-29 | 2016-05-04 | 西安交通大学苏州研究院 | The integrated three-phase filter transformer of a kind of magnetic |
| CN105185553A (en) * | 2015-09-14 | 2015-12-23 | 广东新昇电业科技股份有限公司 | Three-phase pancake inversion transformer for balancing leakage inductance |
| CN105390242A (en) * | 2015-11-05 | 2016-03-09 | 苏州腾冉电气设备股份有限公司 | Secondary iron core of leakage transformer |
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| Publication number | Publication date |
|---|---|
| CN102982979B (en) | 2016-03-02 |
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Granted publication date: 20160302 Termination date: 20181227 |