CN102760571A - Winding method of high-frequency transformer - Google Patents
Winding method of high-frequency transformer Download PDFInfo
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- CN102760571A CN102760571A CN2012102677811A CN201210267781A CN102760571A CN 102760571 A CN102760571 A CN 102760571A CN 2012102677811 A CN2012102677811 A CN 2012102677811A CN 201210267781 A CN201210267781 A CN 201210267781A CN 102760571 A CN102760571 A CN 102760571A
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Abstract
The invention relates to the technical field of transformers, in particular to a winding method of a high-frequency transformer. The winding method comprises the following steps of: (1) starting two strands for a winding N2 at a framework starting end 7, starting one strand for a winding N3 at a framework starting end 8, and starting one strand for a winding N4 at a framework starting end 10; (2) twisting four strands obtained in the step (1) into a strand of twisted wire; (3) uniformly and tightly winding the twisted wire obtained in the step (2) around a framework winding groove for three layers, hanging the tail end of a strand of wire of the winding N3 at a framework take-up end 9, and hanging the tail end of a strand of wire of the winding N4 at a framework starting end 8; and (4) winding two strands of wires of the winding N2 by one more circle, and hanging the tail ends of the two strands of wires at a framework take-up end 6. The winding method of a secondary winding is changed, so that the electromagnetic coupling among secondary windings can be improved, the phenomenon of voltage drift of secondary windings is avoided, and the performance of the high-frequency transformer is improved.
Description
Technical field
The invention belongs to the transformer technology field, particularly relate to a kind of method for winding of high frequency transformer.
Background technology
The function of power transformer is that power transmission, voltage transformation and insulation are isolated, and as a kind of main soft magnetism electromagnetic component, in power technology He in the power electronic technology, is widely used.
High frequency transformer is the topmost part of Switching Power Supply.High frequency transformer is the power transformer that operating frequency surpasses intermediate frequency (10kHz), be mainly used in and make high-frequency switch power transformer in the high frequency switch power, also is useful on and makes the high frequency inverter transformer in high frequency inverter and the Inverter Welder.
In the prior art, high frequency transformer generally comprises three secondary winding, its winding mode be three-way and around; Interlayer is isolated with adhesive tape, is called the mode of multilayer isolated windings, the mode of this multilayer isolated windings; Coupling is relatively poor between the secondary winding; Cause being applied among the circuit, occur output winding voltage drift (generally being that voltage is higher) easily, be difficult to control.
Summary of the invention
The method for winding that the objective of the invention is to avoid weak point of the prior art and a kind of high frequency transformer is provided; The method for winding of this high frequency transformer can make the electromagnetic coupled between each secondary winding better; Thereby solve the phenomenon of the voltage drift of secondary winding, improve the performance of high frequency transformer.
The object of the invention is realized through following technical scheme.
A kind of method for winding of high frequency transformer is provided, high frequency transformer comprise skeleton, iron core, elementary around
Group and secondary winding, iron core is located at skeleton, and elementary winding and secondary winding all are set around iron core, and it is secondary
The method for winding of winding comprises the steps:
(1) winding N2 is in two strands of skeleton line end 7 end initial lines, winding N3 in skeleton line end 8 end initial lines one, winding N4 in skeleton line end 10 end initial lines one;
(2) four strands with (1) twist into one twistedwire;
(3) twistedwire of (2) is evenly close after three layers around the backbone winding wire casing, the end of the strand of winding N3 is hung on skeleton take-up end 9 ends, the end of the strand of winding N4 is hung on skeleton play line end 8 ends;
(4) with two strands of winding N2 again around a circle, the end of two strands is hung on skeleton take-up end 6 ends.
Preferably, in the step (3), every layer of twistedwire is five circles.
Another is preferred, and two strands of winding N2 are provided with blue insulated hull, and the strand of winding N3 is provided with green insulated hull, and the strand of winding N4 is provided with red insulated hull.
Another is preferred, and the diameter of four strands all is set to 0.35 millimeter.
Another is preferred, and elementary winding comprises winding N1, winding N5 and auxiliary winding N6, and the coiling sequencing of elementary winding and secondary winding is winding N1, secondary winding, winding N5 and auxiliary winding N6.
Preferred, the method for winding of winding N1 is: by skeleton rise line end 3 end initial lines one, one wire-wound backbone winding wire casing is evenly close around two-layer, every layer hang on skeleton take-up end 2 ends behind 48 circles.
Further, the method for winding of winding N5 is: play two strands of line end 2 end initial lines by skeleton, two strands are evenly close around two-layer around the backbone winding wire casing, and every layer hang on skeleton take-up end 1 end behind 30 circles.
Further, the method for winding of auxiliary winding N6 is: by skeleton rise line end 5 end initial lines one, one wire-wound backbone winding wire casing is evenly close around one deck, this layer is 17 circles, then hang on skeleton take-up end 4 ends.
Further, being provided with insulating tape between the different windings, the method to set up of insulating tape is following:
(1) before the backbone winding wire casing does not wind the line, insulating tape one deck is set earlier;
(2) behind the intact winding N1 of coiling, three layers of insulating tapes are set;
(3) behind the intact secondary winding of coiling, three layers of insulating tapes are set;
(4) behind the intact winding N5 of coiling, it is two-layer that insulating tape is set;
(5) behind the intact auxiliary winding N6 of coiling, three layers of insulating tapes are set.
Another is preferred, is provided with one deck insulating tape between the two-layer coiling of winding N1.
Beneficial effect of the present invention is following:
The present invention can make the electromagnetic coupled between each secondary winding better through changing the method for winding of secondary winding, thereby solves the phenomenon of the voltage drift of secondary winding, improves the performance of high frequency transformer.
Description of drawings
Utilize accompanying drawing that the present invention is further specified, but the content in the accompanying drawing does not constitute any restriction of the present invention.
Fig. 1 is the coiling principle schematic of a kind of high frequency transformer of the present invention.
Fig. 2 is a schematic cross-section of a kind of high frequency transformer of the present invention.
In Fig. 1 and Fig. 2, include:
Embodiment
In conjunction with following examples the present invention is described further.
The method for winding of a kind of high frequency transformer of present embodiment; High frequency transformer comprises skeleton, iron core, elementary winding and secondary winding, and iron core is located at skeleton, and elementary winding and secondary winding all are set around iron core; As depicted in figs. 1 and 2, the method for winding of its secondary winding comprises the steps:
(1) winding N2 is in two strands of skeleton line end 7 end initial lines, winding N3 in skeleton line end 8 end initial lines one, winding N4 in skeleton line end 10 end initial lines one;
(2) four strands with (1) twist into one twistedwire;
(3) twistedwire of (2) is evenly close after three layers around the backbone winding wire casing, the end of the strand of winding N3 is hung on skeleton take-up end 9 ends, the end of the strand of winding N4 is hung on skeleton play line end 8 ends;
(4) with two strands of winding N2 again around a circle, the end of two strands is hung on skeleton take-up end 6 ends.
In the past, the method for winding of secondary winding was: winding N2 elder generation pitch of the laps, and then around 15 circles, coiling is three layers altogether simultaneously for winding N2, winding N3 and winding N4, and interlayer uses insulating tape 100 to isolate, and is called the mode of multilayer isolated windings.This secondary rolling thread mode makes that the electromagnetic coupled of the winding between secondary is relatively poor, causes being applied among the circuit, occurs output winding voltage drift (generally being that voltage is higher) easily, is difficult to control.The present invention can make the electromagnetic coupled between each secondary winding better through changing the method for winding of secondary winding, thereby solves the phenomenon of the voltage drift of secondary winding, improves the performance of high frequency transformer.
Concrete, in the step (3), every layer of twistedwire is five circles.
Concrete, two strands of winding N2 are provided with blue insulated hull, and the strand of winding N3 is provided with green insulated hull, and the strand of winding N4 is provided with red insulated hull.The line of different windings is provided with the insulated hull of different colours, convenient identification.
Concrete, the diameter of four strands all is set to 0.35 millimeter.
A kind of method for winding of high frequency transformer; Other structures of present embodiment are identical with embodiment 1; Difference is: elementary winding comprises winding N1, winding N5 and auxiliary winding N6, and the coiling sequencing of elementary winding and secondary winding is winding N1, secondary winding, winding N5 and auxiliary winding N6.
Method for winding between elementary winding and the secondary winding is called the sandwich winding; Following advantage is arranged: the leakage inductance that 1, can reduce transformer; And the benefit that the minimizing leakage inductance is brought is that due to voltage spikes can reduce, and the voltage stress of MOSFET (metal-oxide half field effect transistor Metal-Oxide-Semiconductor Field-Effect Transistor) is reduced;
2, improve EMI (electromagnetic interference): the common mode disturbances electric current that is caused by MOSFET and fin also can reduce, thereby improves EMI; Owing to added a secondary winding in elementary centre; So reduced the interlayer distributed capacitance of primary, and the minimizing of layer capacitance will make the parasitic oscillation in the circuit reduce; Can reduce the electric current and voltage stress of MOSFET and secondary commutation pipe equally, improve EMI.
Concrete, the method for winding of winding N1 is: by skeleton rise line end 3 end initial lines one, one wire-wound backbone winding wire casing is evenly close around two-layer, every layer hang on skeleton take-up end 2 ends behind 48 circles.
Concrete, the method for winding of winding N5 is: play two strands of line end 2 end initial lines by skeleton, two strands are evenly close around two-layer around the backbone winding wire casing, and every layer hang on skeleton take-up end 1 end behind 30 circles.
Concrete, the method for winding of auxiliary winding N6 is: by skeleton rise line end 5 end initial lines one, one wire-wound backbone winding wire casing is evenly close around one deck, this layer is 17 circles, then hang on skeleton take-up end 4 ends.
Concrete, being provided with insulating tape 100 between the different windings, the method to set up of insulating tape 100 is following:
(1) before the backbone winding wire casing does not wind the line, insulating tape 100 one decks is set earlier;
(2) behind the intact winding N1 of coiling, 100 3 layers of insulating tapes are set;
(3) behind the intact secondary winding of coiling, 100 3 layers of insulating tapes are set;
(4) behind the intact winding N5 of coiling, it is two-layer that insulating tape 100 is set;
(5) behind the intact auxiliary winding N6 of coiling, 100 3 layers of insulating tapes are set.
Concrete, be provided with one deck insulating tape 100 between the two-layer coiling of winding N1.
Concrete, the diameter of the line of winding N1 and winding N6 is 0.32 millimeter, and the diameter of the line of winding N5 is 0.26 millimeter.
Should be noted that at last; Above embodiment only is used to technical scheme of the present invention is described but not to the restriction of protection range of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (10)
1. the method for winding of a high frequency transformer; High frequency transformer comprises skeleton, iron core, elementary winding and secondary winding; Iron core is located at skeleton, and elementary winding and secondary winding all are set around iron core, it is characterized in that: the method for winding of secondary winding comprises the steps:
(1) winding N2 is in two strands of skeleton line end 7 end initial lines, winding N3 in skeleton line end 8 end initial lines one, winding N4 in skeleton line end 10 end initial lines one;
(2) four strands with (1) twist into one twistedwire;
(3) twistedwire of (2) is evenly close after three layers around the backbone winding wire casing, the end of the strand of winding N3 is hung on skeleton take-up end 9 ends, the end of the strand of winding N4 is hung on skeleton play line end 8 ends;
(4) with two strands of winding N2 again around a circle, the end of two strands is hung on skeleton take-up end 6 ends.
2. the method for winding of a kind of high frequency transformer according to claim 1, it is characterized in that: in the step (3), the number of turns of every layer of twistedwire winding is five circles.
3. the method for winding of a kind of high frequency transformer according to claim 1, it is characterized in that: two strands of winding N2 are provided with blue insulated hull, and the strand of winding N3 is provided with green insulated hull, and the strand of winding N4 is provided with red insulated hull.
4. the method for winding of a kind of high frequency transformer according to claim 1, it is characterized in that: the diameter of four strands all is set to 0.35 millimeter.
5. the method for winding of a kind of high frequency transformer according to claim 1; It is characterized in that: elementary winding comprises winding N1, winding N5 and auxiliary winding N6, and the coiling sequencing of elementary winding and secondary winding is winding N1, secondary winding, winding N5 and auxiliary winding N6.
6. the method for winding of a kind of high frequency transformer according to claim 5 is characterized in that:
The method for winding of winding N1 is: by skeleton rise line end 3 end initial lines one, one wire-wound backbone winding wire casing is evenly close around two-layer, every layer hang on skeleton take-up end 2 ends behind 48 circles.
7. the method for winding of a kind of high frequency transformer according to claim 6; It is characterized in that: the method for winding of winding N5 is: play two strands of line end 2 end initial lines by skeleton; Two strands are evenly close around two-layer around the backbone winding wire casing, and every layer hang on skeleton take-up end 1 end behind 30 circles.
8. the method for winding of a kind of high frequency transformer according to claim 7; It is characterized in that: the method for winding of auxiliary winding N6 is: by skeleton rise line end 5 end initial lines one; One wire-wound backbone winding wire casing is evenly close around one deck, and this layer is 17 circles, then hang on skeleton take-up end 4 ends.
9. the method for winding of a kind of high frequency transformer according to claim 8, it is characterized in that: be provided with insulating tape between the different windings, the method to set up of insulating tape is following:
(1) before the backbone winding wire casing does not wind the line, insulating tape one deck is set earlier;
(2) behind the intact winding N1 of coiling, three layers of insulating tapes are set;
(3) behind the intact secondary winding of coiling, three layers of insulating tapes are set;
(4) behind the intact winding N5 of coiling, it is two-layer that insulating tape is set;
(5) behind the intact auxiliary winding N6 of coiling, three layers of insulating tapes are set.
10. the method for winding of a kind of high frequency transformer according to claim 9 is characterized in that: be provided with one deck insulating tape between the two-layer coiling of winding N1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210267781.1A CN102760571B (en) | 2012-07-31 | 2012-07-31 | Winding method of high-frequency transformer |
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| CN201210267781.1A CN102760571B (en) | 2012-07-31 | 2012-07-31 | Winding method of high-frequency transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606440A (en) * | 2013-12-02 | 2014-02-26 | 佛山市欧立电子有限公司 | Method and structure for winding wire of high-frequency transformer |
| CN105301385A (en) * | 2015-09-22 | 2016-02-03 | 东莞市奥海电源科技有限公司 | Method for detecting charger transformer EMC performance and circuit and tool |
| CN105914014A (en) * | 2016-05-05 | 2016-08-31 | 上海兆启新能源科技有限公司 | Single-phase high-power magnetic integrated high-frequency transformer |
| CN106024373A (en) * | 2016-07-28 | 2016-10-12 | 东莞市大忠电子有限公司 | Winding technology of transformer and transformer manufactured with winding technology |
| CN111986918A (en) * | 2020-08-24 | 2020-11-24 | 西南交通大学青岛轨道交通研究院 | Electromagnetic coil winding method |
| CN112466633A (en) * | 2020-11-10 | 2021-03-09 | 佛山市欧立电子有限公司 | Foil wound transformer |
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| JPS524013A (en) * | 1975-06-30 | 1977-01-12 | Mitsubishi Electric Corp | Winding method of the transformer |
| JPH04260312A (en) * | 1991-02-14 | 1992-09-16 | Kijima:Kk | Winding method for miniature transformer |
| JP2008060251A (en) * | 2006-08-30 | 2008-03-13 | Mitsubishi Electric Corp | Ignitor for internal combustion engine, and method of manufacturing secondary coil thereof |
| CN101567252A (en) * | 2009-02-12 | 2009-10-28 | 陈钦裕 | Novel winding method for high-frequency transformer coils |
| CN101789308A (en) * | 2010-03-19 | 2010-07-28 | 株洲南车时代电气股份有限公司 | Winding method for high-frequency transformer winding and high-frequency transformer |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS524013A (en) * | 1975-06-30 | 1977-01-12 | Mitsubishi Electric Corp | Winding method of the transformer |
| JPH04260312A (en) * | 1991-02-14 | 1992-09-16 | Kijima:Kk | Winding method for miniature transformer |
| JP2008060251A (en) * | 2006-08-30 | 2008-03-13 | Mitsubishi Electric Corp | Ignitor for internal combustion engine, and method of manufacturing secondary coil thereof |
| CN101567252A (en) * | 2009-02-12 | 2009-10-28 | 陈钦裕 | Novel winding method for high-frequency transformer coils |
| CN101789308A (en) * | 2010-03-19 | 2010-07-28 | 株洲南车时代电气股份有限公司 | Winding method for high-frequency transformer winding and high-frequency transformer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606440A (en) * | 2013-12-02 | 2014-02-26 | 佛山市欧立电子有限公司 | Method and structure for winding wire of high-frequency transformer |
| CN103606440B (en) * | 2013-12-02 | 2016-04-13 | 佛山市欧立电子有限公司 | A kind of method for winding of high frequency transformer and structure |
| CN105301385A (en) * | 2015-09-22 | 2016-02-03 | 东莞市奥海电源科技有限公司 | Method for detecting charger transformer EMC performance and circuit and tool |
| CN105914014A (en) * | 2016-05-05 | 2016-08-31 | 上海兆启新能源科技有限公司 | Single-phase high-power magnetic integrated high-frequency transformer |
| CN106024373A (en) * | 2016-07-28 | 2016-10-12 | 东莞市大忠电子有限公司 | Winding technology of transformer and transformer manufactured with winding technology |
| CN106024373B (en) * | 2016-07-28 | 2018-07-03 | 东莞市大忠电子有限公司 | The wire winding of a kind of transformer and using transformer made of the wire winding |
| CN111986918A (en) * | 2020-08-24 | 2020-11-24 | 西南交通大学青岛轨道交通研究院 | Electromagnetic coil winding method |
| CN112466633A (en) * | 2020-11-10 | 2021-03-09 | 佛山市欧立电子有限公司 | Foil wound transformer |
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| CN102760571B (en) | 2014-01-22 |
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