CN102568772B - Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil - Google Patents
Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil Download PDFInfo
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- CN102568772B CN102568772B CN201010606620.1A CN201010606620A CN102568772B CN 102568772 B CN102568772 B CN 102568772B CN 201010606620 A CN201010606620 A CN 201010606620A CN 102568772 B CN102568772 B CN 102568772B
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Abstract
The invention discloses a co-wound high-voltage and low-voltage coil. The co-wound high-voltage and low-voltage coil comprises an iron core and a high-voltage insulating barrel, wherein the high-voltage insulating barrel is arranged at the outer part of the iron core, a high-voltage coil supporting bar is arranged on an outer surface of the high-voltage insulating barrel, and a high-voltage coil is wound at the outer part of the high-voltage coil supporting bar. The co-wound high-voltage and low-voltage coil is characterized in that the high-voltage coil supporting bar is provided with a protruding end relative to the high-voltage coil, a low-voltage soft paper barrel is arranged at the outer part of the protruding end of the high-voltage coil supporting bar, a low-voltage coil supporting bar is arranged at the outer circumference of the low-voltage soft paper barrel, and a low-voltage coil is wound at the outer part of the low-voltage coil supporting bar. According to the invention, the problems of complex winding process and much tooling equipment of the high-voltage and low-voltage coil in the prior art are solved. The co-wound high-voltage and low-voltage coil has the advantages of simple structure, simple winding process, high production efficiency and low cost.
Description
Technical field
The invention discloses a kind of transformer high-low-voltage co-winding coil and winding method thereof, belong to transformer technology field.
Background technology
The winding method of the high and low coil of existing transformer is generally respectively at the arranged outside stay of high and low pressure insulating cylinder, then distinguishes coiling high-tension coil and low-voltage coil.After coiling, then high-tension coil and low-voltage coil are set in together.The shortcoming of this winding method is as follows: each coil winding needs installation and removal twice mold, invisible increase time cost; High and low pressure coiling respectively, need be set in together when loop shaping press-fits, higher to suit required precision, if concentricity support during mounting coil is held bad, occurs decentraction phenomenon, then can have influence on the insulation system of product, can increase time cost simultaneously; High and low pressure coil respectively after coiling coil axial height be difficult to ensure completely the same, interior loop and the overall stationarity of exterior loop poor, integral shaft is poor to consistency, and coil mechanical strength is less better.Because increasing transport and suit operation, the damage of coil insulation system may be caused, increase time cost simultaneously; Need high and low pressure insulating cylinder respectively, therefore mould is more, and the relative production cycle will be grown, and waste material when simultaneously processing insulating cylinder will increase, and material and time cost all can increase; Technological preparation during coil winding increases man-hour, and the corresponding increases of Master Cost such as the glue prepared, overall material and time cost all can increase.Therefore, a kind of more convenient, that can ensure high-voltage coil and low-voltage coil axiality, phase co-altitude, the high and low pressing coiling of transformer reducing suit operation, minimizing insulating cylinder and insulating cylinder mould and winding method thereof become the target that those skilled in the art pursue.
Summary of the invention
The object of the invention is to the complex procedures of the high-voltage coil and low-voltage coil coiling solving existing transformer, the high-voltage coil and low-voltage coil suit problem that precision is low afterwards.
Technical scheme of the present invention is: a kind of transformer high-low-voltage co-winding coil, it comprises iron core, be located at the High-Voltage Insulation cylinder outside iron core, the outer surface of described High-Voltage Insulation cylinder is provided with high-tension coil stay, high-tension coil is wound with outside described high-tension coil stay, it is characterized in that, described high-tension coil stay has the external part stretching out certain altitude relative to described high-tension coil, outside described high-tension coil stay external part, be provided with the soft paper web of a low pressure, the soft paper web of described low pressure is stacked and be rolled into tubular by stagger successively several insulating papers of certain distance of end; The distance staggered in several insulating paper ends of the soft paper web of described low pressure is 10-15mm; Be provided with low-voltage coil stay at the excircle of the soft paper web of described low pressure, outside described low-voltage coil stay, be wound with low-voltage coil.
As preferably, between described high-tension coil and the soft paper web of described low pressure, be provided with little stay.
As preferably, described little stay and described high-tension coil stay are 5mm relative to the height of the external part of described high-tension coil.
As preferably, described high pressure, low pressure stay are common stay or are comb stays.
A winding method for transformer high-low-voltage co-winding coil, is characterized in that, it comprises the following steps:
First coiling high-tension coil, then arranges the soft paper web of a low pressure outside the high-tension coil that coiling is good; The soft paper web of described low pressure is stacked together by several insulating papers, and staggered 10-15mm successively in the end of often opening paper; Described stacked insulating paper one end is fixed on high-tension coil periphery, then along high-tension coil circumferential direction, insulating paper is closed up, form the soft paper web of low pressure, and be fixed on outside high-tension coil; Low-voltage coil stay is fixed on the soft paper web of low pressure, carries out the coiling of low-voltage coil.
The winding method of transformer high-low-voltage co-winding coil of the present invention, the coiling of wherein said high-tension coil comprises the following steps: put according to a High-Voltage Insulation cylinder point orientation, by high-tension coil stay with being temporarily fixed on High-Voltage Insulation cylinder; Coiling high-tension coil, makes the external part of high-tension coil stay expose high-tension coil certain altitude.
The winding method of transformer high-low-voltage co-winding coil of the present invention, when after described high-tension coil coiling completes, the soft paper web of low pressure is set before, arrange some little stays at described high-tension coil outer round surface, height and the described high-tension coil stay external part of described little stay are contour.
A winding method for transformer high-low-voltage co-winding coil, is characterized in that, it comprises the following steps:
A. put according to a High-Voltage Insulation cylinder point orientation, by high-tension coil stay with being temporarily fixed on High-Voltage Insulation cylinder;
B. coiling high-tension coil, makes the external part of high-tension coil stay expose high-tension coil certain altitude;
D. several insulating papers are stacked together, and staggered 10-15mm successively in the end of often opening paper; Described insulating paper one end is fixed on a place of high-tension coil periphery, along high-tension coil circumferential direction, insulating paper is closed up, form the soft paper web of low pressure, and be fixed on outside high-tension coil;
E. low-voltage coil stay is fixed on the soft paper web of low pressure;
F. coiling low-voltage coil.
The winding method of a kind of transformer high-low-voltage co-winding coil of the present invention, comprises step c before arranging the soft paper web of low pressure: first arrange some little stays at high-tension coil outer round surface, the height of little stay and described high-tension coil stay go out to hold contour.
Of the present invention owing to adopting technique scheme, eliminate low-voltage insulation cylinder, high-tension coil coiling completed directly arranges the soft paper web of a low pressure outward, replace original low-voltage insulation cylinder, thus the disposable coiling completing high pressure, low-voltage coil, without the need to difference coiling high-voltage coil and low-voltage coil, save the processing step of suit, thus simplify technique for coiling, shorten the production cycle, and save the frocks such as the mould that makes low-voltage insulation cylinder.And the soft paper web of low pressure adopts the insulating paper that insulation property electric property is higher, direct disposable coiling, cancel suit step, the consistency of coil dimension and design size can better be ensured, ensure the electric property of product, improve the quality of products.The overall coiling of high-voltage coil and low-voltage coil is shaping, and after coil carries out vacuum pressure impregnation solidification, high-voltage coil and low-voltage coil integrally, strengthens mechanical strength greatly, and then ensures and improve the quality of product.After adopting soft paper web, the large I of cylinder designs as required.Owing to adopting the soft paper web of low pressure, the position and size that change air flue between high-low pressure can be reached by the position adjusting soft paper web, thus improve radiating effect, reach the object reducing temperature rise, improve the quality of products, increase the service life.
Accompanying drawing explanation
Fig. 1 is the sectional view of transformer high-low-voltage co-winding coil of the present invention.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
Fig. 3 is the schematic diagram of the soft paper web of low pressure of transformer high-low-voltage co-winding coil of the present invention.
Embodiment
See Fig. 1, Fig. 2 and Fig. 3, transformer high-low-voltage co-winding coil of the present invention, it comprises iron core 1, is located at the High-Voltage Insulation cylinder 2 outside iron core 1, and the outer surface of described High-Voltage Insulation cylinder 2 is provided with 8 high-tension coil stays 3 be evenly arranged, in the present embodiment, this stay 3 is comb stays, outside described high-tension coil stay 3, be wound with high-tension coil 4, and high-tension coil stay 3 has the external part 31 stretching out certain altitude relative to described high-tension coil 4, in the present embodiment, it highly selects 5mm; Outside described high-tension coil stay external part 31, be provided with the soft paper web 5 of a low pressure, see Fig. 3, the soft paper web of this low pressure 5 is stacked and be rolled into tubular and form by stagger successively several insulating papers of certain distance (preferred 10-15mm) of end.Even support is obtained in order to make the soft paper web 5 of low pressure, 8 little stays 8 are provided with between described high-tension coil 4 and the soft paper web of described low pressure 5, little stay 8 circumferential position is in the centre of two adjacent high-tension coil stays 3, little stay 8 is equal with the height of the external part 31 of described high-tension coil stay 3, is also 5mm.Be provided with low-voltage coil stay 6 at the excircle of the soft paper web 5 of described low pressure, this low pressure stay 6 is comb stays, is wound with low-voltage coil 7 outside described low-voltage coil stay 6.
The winding method of the high and low pressing coiling of above-mentioned transformer of the present invention is:
A. according to the position of High-Voltage Insulation cylinder 2 points of sides, high-tension coil stay 3 band is temporarily fixed on High-Voltage Insulation cylinder 2;
B. coiling high-tension coil 4, makes the external part 31 of high-tension coil stay 3 exceed high-tension coil 5mm;
C. arrange some little stays 8 at high-tension coil 4 outer round surface, height and the described high-tension coil stay external part 31 of little stay 8 are contour;
D. several insulating papers are stacked together, and staggered 15mm (preferred 10-15mm) successively in the end of often opening paper; Described insulating paper one end is fixed on a place of high-tension coil 4 periphery, along high-tension coil 4 circumferential direction, insulating paper is closed up, form the soft paper web 5 of low pressure, and be fixed on outside high-tension coil 4 with nylon tape around making the soft paper web 5 of low pressure;
E. low-voltage coil stay 6 is fixed on the soft paper web 5 of low pressure;
F. coiling low-voltage coil 7 is carried out.
Above embodiment is only a preferred embodiment of the present invention; under the present invention's design; also there is a lot of equivalent substitute modes; the present invention be intended to protect a kind of transformer high-low-voltage co-winding coil and high-voltage coil and low-voltage coil close around method, be characterized in high-tension coil and the disposable coiling of low-voltage coil to complete, and with low pressure soft paper web replacement low-voltage insulation cylinder; thus simplify production technology; and save frock, reduce production cost, improve effect.Those skilled in the art's change on this basis, such as, changes the shape of stay, changes the layout quantity of stay and changes the shape of insulating cylinder, all should in protection scope of the present invention.
Claims (8)
1. a transformer high-low-voltage co-winding coil, it comprises iron core, be located at the High-Voltage Insulation cylinder outside iron core, the outer surface of described High-Voltage Insulation cylinder is provided with high-tension coil stay, described high-tension coil stay is comb stays, outside described high-tension coil stay, be wound with high-tension coil, it is characterized in that, described high-tension coil stay has the external part stretching out certain altitude relative to described high-tension coil; The soft paper web of a low pressure is provided with outside the external part of described high-tension coil stay, the soft paper web of described low pressure is stacked and be rolled into tubular by stagger successively several insulating papers of certain distance of end, and the distance staggered in several insulating paper ends of the soft paper web of described low pressure is 10-15mm; Be provided with low-voltage coil stay at the excircle of the soft paper web of described low pressure, outside described low-voltage coil stay, be wound with low-voltage coil; The winding method of described transformer high-low-voltage co-winding coil is, first coiling high-tension coil makes the external part of high-tension coil stay exceed high-tension coil; Then the soft paper web of one low pressure is set outside the high-tension coil that coiling is good; The soft paper web setting steps of described low pressure is stacked together by several insulating papers, and staggered 10-15mm successively in the end of often opening paper; Described stacked insulating paper one end is fixed on high-tension coil periphery, then along high-tension coil circumferential direction, insulating paper is closed up, form the soft paper web of low pressure, and be fixed on outside high-tension coil; Low-voltage coil stay is fixed on the soft paper web of low pressure, coiling low-voltage coil.
2. transformer high-low-voltage co-winding coil according to claim 1, is characterized in that, is provided with little stay between described high-tension coil and the soft paper web of described low pressure.
3. transformer high-low-voltage co-winding coil according to claim 2, is characterized in that, described little stay and described high-tension coil stay are 5mm relative to the height of the external part of described high-tension coil.
4. transformer high-low-voltage co-winding coil according to claim 1 and 2, is characterized in that, described low-voltage coil stay is common stay or is comb stays.
5. transformer high-low-voltage co-winding coil according to claim 1, is characterized in that, described coiling high-tension coil comprises the following steps: according to the position of the High-Voltage Insulation cylinder side of dividing, and is temporarily fixed at by high-tension coil stay on High-Voltage Insulation cylinder; Coiling high-tension coil, makes the external part of high-tension coil stay expose high-tension coil certain altitude.
6. transformer high-low-voltage co-winding coil according to claim 5, is characterized in that,
After described high-tension coil coiling completes, the soft paper web of low pressure is set before, at high-tension coil outer round surface, some little stays are set, the height of described little stay and the external part of described high-tension coil stay contour.
7. a winding method for transformer high-low-voltage co-winding coil, is characterized in that, it comprises the following steps:
A. put according to a point orientation for High-Voltage Insulation cylinder, high-tension coil stay is temporarily fixed on High-Voltage Insulation cylinder; High-tension coil stay adopts comb stays;
B. coiling high-tension coil, makes the external part of high-tension coil stay expose high-tension coil certain altitude;
D. several insulating papers are stacked together, and staggered 10-15mm successively in the end of often opening paper; Described insulating paper one end is fixed on a place of high-tension coil periphery, along high-tension coil circumferential direction, insulating paper is closed up, form the soft paper web of low pressure, and be fixed on outside high-tension coil;
E. low-voltage coil stay is fixed on the soft paper web of low pressure;
F. coiling low-voltage coil.
8. the winding method of a kind of transformer high-low-voltage co-winding coil according to claim 7, is characterized in that, comprises the following steps before arranging the soft paper web of low pressure:
C. first some little stays are set at high-tension coil outer round surface, the height of little stay and described high-tension coil stay go out to hold contour.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010606620.1A CN102568772B (en) | 2010-12-27 | 2010-12-27 | Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil |
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| CN201010606620.1A CN102568772B (en) | 2010-12-27 | 2010-12-27 | Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil |
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| CN102568772A CN102568772A (en) | 2012-07-11 |
| CN102568772B true CN102568772B (en) | 2015-02-18 |
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| CN103487664B (en) * | 2013-09-05 | 2016-08-17 | 北京工业大学 | A kind of stairstepping inductance coil winding method being applied to inductance sensor |
| CN104009598A (en) * | 2014-05-14 | 2014-08-27 | 含山县众力铸造有限公司 | Wire coiling device for reducer |
| CN104217852B (en) * | 2014-08-07 | 2016-06-22 | 山西万科医用设备有限公司 | Phenolic aldehyde paper web surface flat type copper wire vertical-coiling device |
| CN107546034B (en) * | 2017-09-04 | 2020-09-29 | 四川省崇州市恒达电子厂 | Production method of iron core segmented high-voltage ring transformer |
| CN108335870A (en) * | 2017-12-25 | 2018-07-27 | 中铁第勘察设计院集团有限公司 | The volume iron core tractive transformer coil and winding method of coiling of high-voltage coil and low-voltage coil |
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| CN101692408A (en) * | 2009-09-21 | 2010-04-07 | 保定天威集团有限公司 | Method for hybrid major insulation of oil immersed transformer |
| CN201936728U (en) * | 2010-12-27 | 2011-08-17 | 新华都特种电气股份有限公司 | Transformer high-low-voltage co-winding coil |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS60229322A (en) * | 1984-04-27 | 1985-11-14 | Toshiba Corp | Manufacture of outdoor reactor |
| CN2295268Y (en) * | 1997-05-06 | 1998-10-21 | 哈尔滨变压器厂 | High-impedance power transformer |
| CN2755748Y (en) * | 2004-12-08 | 2006-02-01 | 许继集团有限公司 | Open ventilating dry transformer with retardant paper paint-immersed insulation |
| CN201075331Y (en) * | 2007-05-09 | 2008-06-18 | 上海昊德电气有限公司 | Bar structure of phase shift commutation dry-type transformer |
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| CN101692408A (en) * | 2009-09-21 | 2010-04-07 | 保定天威集团有限公司 | Method for hybrid major insulation of oil immersed transformer |
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