EP2102876A1 - Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule - Google Patents
Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspuleInfo
- Publication number
- EP2102876A1 EP2102876A1 EP07856455A EP07856455A EP2102876A1 EP 2102876 A1 EP2102876 A1 EP 2102876A1 EP 07856455 A EP07856455 A EP 07856455A EP 07856455 A EP07856455 A EP 07856455A EP 2102876 A1 EP2102876 A1 EP 2102876A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- layer
- sections
- insulating
- coil
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000004804 winding Methods 0.000 claims abstract description 87
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/327—Encapsulating or impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/127—Encapsulating or impregnating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Definitions
- the invention relates to a method according to the preamble of claim 1 and a transformer coil according to the preamble of claim 4.
- a transformer coil has a coil tube which is surrounded by a secondary winding and a primary winding, the latter being embedded in a block of insulating material, wherein the windings are produced in the so-called filament winding method.
- a first insulating layer is wound on the coil tube, which is separated from the secondary winding by means of spacers, on which a first layer of the winding wire is wound.
- a layer of insulating material is applied to this layer again applied a layer with Wickl ⁇ ngsdraht, this layer has two ply sections, which extend from the two ends of the inner layer of the winding wire to the inside, ie to each other and at a certain distance from each other end up.
- the opposite ends of the inner layer are joined to the adjacent ends of the second ply sections. It should be ensured in known winding process that the opposite ends of the second layer sections do not slide over the inner first layer to the outside. This is achieved in that the opposite ends of the winding windings of the second layer portions at an axial distance from the turn ends of the inner layer, so that the connections of the adjacent turn ends each form an acute angle with the annular surface of the inner first layer; the two angles together form a V-shape whose open side is open to the inner first layer.
- the opposite ends of the third ply portions terminate again at a distance from the adjacent ends of the second ply portions such that the connections of the inner, opposite ends of the second and third ply portions also form an acute angle with each other forming a V-shape whose tip points radially inwards.
- These third storage sections are followed by e.g. two fourth and fifth layer sections whose lengths are shortened axially compared to the previously wound layers, so that form here the V-shapes.
- the object of the invention is to provide a method for producing a transformer coil and a transformer coil of the type mentioned, in which the winding space is better utilized.
- Winding a second winding wire layer which can be wound in one or two layer sections, wherein the opposite end turns of the second winding wire layer or the layer sections lie in the radial plane of the end turns of the inner first winding wire layer,
- a further advantageous embodiment may be that to form the end wall sections L-shaped angle pieces are provided of metal, one leg of which form the end wall sections and the other leg are arranged parallel to the coil tube and are wrapped in the individual insulating layers. These L-shaped elbows can then be easily removed after curing. The resulting slot-like openings can be closed easily with insulating material, or simply remain open.
- the angle pieces in such a way that the legs which form the end wall sections extend over the entire end face of the coil;
- a plurality of L-shaped angle pieces radially spaced, with inner L-shaped angle pieces are wrapped by an inner insulating layer and outer L-shaped brackets of the corresponding outer insulating layer.
- the angle pieces are formed by providing arcuate tubes which are provided at one end with slots which are bent perpendicular to the arcuate portions, so that the Endwandabitese are formed by the vertically bent leg.
- wire winding sections are provided in the bobbin, whose interconnected winding ends lie in a respective radial plane, so that all winding sections lie between two radial planes in which simultaneously the mutually associated and interconnected winding ends, wherein connecting pieces are provided, which extend radially
- the end wall portions may be formed on an insulating tube or coil tube surrounded by the bobbin; it is also possible that L-shaped angle element are provided, the legs of which are perpendicular to each other, wherein one of the legs is held parallel to the winding sections of the insulating layers, whereas the other leg projects radially outward and serves to form the end wall sections.
- angle elements as arc-shaped angle elements, wherein one of the legs forms an arcuate shape and the other legs are bent as a flap perpendicular to it.
- the legs for forming the Endwandabitese can cover the entire face; There is also the possibility that a plurality of angle elements are arranged in different radii, so that the legs forming the end wall sections only cover part of the end faces of the coil body.
- Fig. 1 is a longitudinal sectional view of a first embodiment of a coil according to the invention
- Fig. 2 is a longitudinal sectional view similar to that of Fig. 1 a second embodiment of a coil according to the invention
- Fig. 3 shows an embodiment of an angle piece for the second
- a bobbin 10 which is produced by the process according to the invention, surrounds a coil tube 11, at the ends of which radially adjoining flange-like end wall sections 12, 13, here in the first exemplary embodiment, are integrally formed.
- a first insulating layer 14 is applied, preferably wound.
- This insulating layer 14 like all other insulating layers (see below), may contain a fibrous web impregnated with thermosetting plastic.
- the insulating layer 14 extends to the end wall portions 12,13.
- a first winding layer 15 is wound, which is shown in Fig. 1 (as well as in Fig. 2) drawn as a line.
- a rectangular winding wire can be used.
- a winding wire with a rectangular shape could also be used with a circular cross-section. The cross-sectional shape is so far for the invention is not important.
- the winding wire layer 15 terminates at a certain distance D from the end wall portions 12,13.
- a second insulating layer 16 is applied, that is wound, again up to the end wall sections 12,13.
- two winding layer sections 17,18 are wound, the opposite ends lie in the radial plane in which the ends of the first winding layer 15 lie and whose opposite ends 19,20 are arranged at a distance D1 from each other.
- the winding layers 15, 17 and 18 are connected to one another by radially extending connecting elements 21, 22, wherein these connecting elements 21, 22 lie in the planes in which the ends of the first winding layer 15 lie.
- a third insulating layer 23 is wound, thereon two third winding sections 24,25 whose lengths are similar to those of the second winding sections 17,18 and with these at their opposite ends by means of radial links similar to those with the reference numerals 21st 22, thereafter a fourth insulating layer (not numbered) and thereon two fourth winding sections 26, 27, another insulating layer and thereon two fifth winding sections 26, 27, and thereon the outer insulating layer.
- the third winding sections 24, 25 are connected to the fourth winding sections 26, 27 with connecting elements in the radial plane of the ends of the first winding layer 15 and the fourth to the fifth winding sections at the mutually facing ends, the length of the fourth and fifth winding sections is less than the length of the second and third winding sections 17,24; 18.25.
- a plurality of circumferentially uniformly spaced spacer 30 Within the coil tube 11 are a plurality of circumferentially uniformly spaced spacer 30. Within the spacer 30 are secondary windings 31, which are indicated here only schematically. The space between the Anstandshaltern 30, which are radially aligned and extend over the entire length of the coil tube 11, is flowed through axially by a cooling fluid. The assignment of the secondary windings 31 and the spacers to the Spulerohr 11 are not relevant to the invention.
- the end wall portions are formed by angle pieces, which are shown in perspective in FIG.
- the end wall portions are formed by angle pieces, which are shown in perspective in FIG.
- the tabs 40, 41 and 42 formed between the peripheral ends 38, 39 and the slots 36, 37 are bent radially outward so that the slots 36, 37 become V-shaped.
- the elbow 35 forms the leg 43 of the elbow, which has received the reference numeral 44 in FIG. 4 in total.
- the axially extending leg 43 is wrapped with the first insulating layer 16 in the bobbin.
- many elbows (which are shown in FIG. 3) is required that the angle pieces of FIG. 3 cover the entire circumference of the coil tube. After curing of the insulating material, the elbows can be removed. Which thereby resulting openings can remain free or sealed with insulating material.
- angle pieces are provided, the radially aligned legs of which cover the entire end faces of the bobbin.
- the arcuate pieces 35 extend to the outer radius e.g. are adapted in the region of the third winding sections.
- the lobes have a radial length which is adapted to the installation point on the bobbin, wherein the lobes of all the angle pieces are each in a radial plane, which here correspond to the Stirnebenen the bobbin.
- the legs 43 of the outer angle pieces are then enveloped by the corresponding insulating layers.
- transformer cores 50 are shown in dashed lines, which engage with a leg 51 in the region within the secondary winding 31.
- this has nothing to do with the invention described here, but merely serves for better understanding.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07856455T PL2102876T3 (pl) | 2006-12-19 | 2007-12-07 | Sposób wytwarzania cewki transformatora i cewka transformatorowa wytworzona tym sposobem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006060567A DE102006060567A1 (de) | 2006-12-19 | 2006-12-19 | Verfahren zur Herstellung einer Transformatorspule und eine nach diesem Verfahren hergestellten Transformatorspule |
PCT/EP2007/010650 WO2008074409A1 (de) | 2006-12-19 | 2007-12-07 | Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2102876A1 true EP2102876A1 (de) | 2009-09-23 |
EP2102876B1 EP2102876B1 (de) | 2013-04-17 |
Family
ID=39322463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07856455.6A Not-in-force EP2102876B1 (de) | 2006-12-19 | 2007-12-07 | Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule |
Country Status (10)
Country | Link |
---|---|
US (1) | US7847665B2 (de) |
EP (1) | EP2102876B1 (de) |
KR (1) | KR101398029B1 (de) |
CN (1) | CN101689422B (de) |
BR (1) | BRPI0720381A2 (de) |
DE (1) | DE102006060567A1 (de) |
EG (1) | EG25706A (de) |
ES (1) | ES2406069T3 (de) |
PL (1) | PL2102876T3 (de) |
WO (1) | WO2008074409A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2474986A1 (de) * | 2011-01-05 | 2012-07-11 | ABB Technology AG | Transformatorwicklung |
CN103247435A (zh) * | 2012-02-13 | 2013-08-14 | 新华都特种电气股份有限公司 | 一种缠绕式线圈结构及加工方法 |
CN112117125B (zh) * | 2020-08-27 | 2022-04-08 | 江门市蓬江区恒驰新材料有限公司 | 一种自动化线圈缠胶带设备 |
CN112331467B (zh) * | 2020-11-23 | 2022-08-16 | 广东电网有限责任公司广州供电局 | 一种电抗器抗震设计的方法及装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4518941A (en) * | 1983-11-16 | 1985-05-21 | Nihon Kohden Corporation | Pulse transformer for switching power supplies |
US5374810A (en) * | 1992-06-05 | 1994-12-20 | Gantt; Jackie L. | Induction heating transformer and method of winding same |
US5404123A (en) * | 1993-03-01 | 1995-04-04 | At&T Corp. | Modular transformer structure providing enhanced leakage inductance and winding isolation |
US5861791A (en) | 1995-06-21 | 1999-01-19 | Brunswick Corporation | Ignition coil with non-filtering/non-segregating secondary winding separators |
JPH1032127A (ja) | 1996-07-15 | 1998-02-03 | Yamaha Corp | 変圧器およびその組立方法 |
US6404316B1 (en) * | 2000-05-09 | 2002-06-11 | Lucent Technologies Inc. | Magnetic device and method of manufacture therefor |
US6549431B2 (en) * | 2001-03-08 | 2003-04-15 | Power Integrations, Inc. | Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
JP3578163B2 (ja) * | 2002-05-31 | 2004-10-20 | ソニー株式会社 | 昇圧トランス |
US20040003492A1 (en) | 2002-07-02 | 2004-01-08 | Chi-Chih Wu | Method for winding transformers |
EP1831902B1 (de) * | 2004-12-27 | 2010-04-21 | ABB Technology AG | Elektrische induktionseinrichtung für hochspannungsanwendungen |
-
2006
- 2006-12-19 DE DE102006060567A patent/DE102006060567A1/de not_active Withdrawn
-
2007
- 2007-12-07 BR BRPI0720381-0A2A patent/BRPI0720381A2/pt not_active IP Right Cessation
- 2007-12-07 KR KR1020097012476A patent/KR101398029B1/ko not_active IP Right Cessation
- 2007-12-07 WO PCT/EP2007/010650 patent/WO2008074409A1/de active Application Filing
- 2007-12-07 ES ES07856455T patent/ES2406069T3/es active Active
- 2007-12-07 CN CN2007800472424A patent/CN101689422B/zh not_active Expired - Fee Related
- 2007-12-07 US US12/520,359 patent/US7847665B2/en not_active Expired - Fee Related
- 2007-12-07 EP EP07856455.6A patent/EP2102876B1/de not_active Not-in-force
- 2007-12-07 PL PL07856455T patent/PL2102876T3/pl unknown
-
2009
- 2009-06-14 EG EG2009060894A patent/EG25706A/xx active
Non-Patent Citations (1)
Title |
---|
See references of WO2008074409A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101689422B (zh) | 2012-06-20 |
KR20090101180A (ko) | 2009-09-24 |
EP2102876B1 (de) | 2013-04-17 |
KR101398029B1 (ko) | 2014-05-27 |
DE102006060567A1 (de) | 2008-06-26 |
BRPI0720381A2 (pt) | 2013-12-31 |
EG25706A (en) | 2012-05-27 |
US7847665B2 (en) | 2010-12-07 |
CN101689422A (zh) | 2010-03-31 |
ES2406069T3 (es) | 2013-06-05 |
PL2102876T3 (pl) | 2013-08-30 |
US20090309685A1 (en) | 2009-12-17 |
WO2008074409A1 (de) | 2008-06-26 |
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