WO2006039876A1 - Vorrichtung zur potentialtrennung, ringkerndrossel und verfahren zur herstellung der ringkerndrossel - Google Patents
Vorrichtung zur potentialtrennung, ringkerndrossel und verfahren zur herstellung der ringkerndrossel Download PDFInfo
- Publication number
- WO2006039876A1 WO2006039876A1 PCT/DE2005/001154 DE2005001154W WO2006039876A1 WO 2006039876 A1 WO2006039876 A1 WO 2006039876A1 DE 2005001154 W DE2005001154 W DE 2005001154W WO 2006039876 A1 WO2006039876 A1 WO 2006039876A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- potential separation
- toroidal core
- central part
- core
- rotation
- Prior art date
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000002955 isolation Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 5
- 238000000034 method Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
- H01F27/306—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
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/16—Toroidal transformers
Definitions
- the invention relates to a device for potential separation for a toroidal core choke with multiple windings.
- An isolation part suitable for potential separation is z. B. from the document DE 10223995 Cl known.
- the insulating part comprises the toroidal core of a toroidal core choke and has projections for fixing wire windings and for maintaining a grid dimension.
- the insulating part has webs in the middle region, which provide the potential separation.
- the insulating part has radially outwardly extending webs, which are elastically deformable by the pressure in the radial direction.
- the object of the present invention is to provide a device for potential separation, which is inexpensive to manufacture and can be used in a toroidal core choke.
- a device for potential separation is specified, which is suitable for installation in the core hole of a toroidal core.
- the device for electrical isolation comprises a central part and outwardly extending, by the rotation of the central part e- elastically deformable webs, the aufwei ⁇ each at its end facing away from the Mittel ⁇ or facing the toroidal end a vor ⁇ preferably radially extending, rigid insulating aufwei ⁇ sen.
- the insulating region is preferably thickened relative to the web associated therewith.
- the device for electrical isolation is preferably formed ein ⁇ piece.
- the potential separation device can be inserted into the core hole of a toroid without a great deal of effort. When the potential separation device is turned into the core hole, it springs back so far until it is clamped in the core hole. The falling out of the potential separation device from the toroidal core choke is prevented.
- the elastic flexibility of the potential separation device makes it possible, in particular, to compensate for the tolerances in the formation of the core hole.
- the deformable webs are thin-walled spring elements which are bent into the core hole when the potential-separating device is screwed in, as a result of which the insulating regions are withdrawn toward the center, the diameter of the potentiometer being reduced.
- any plastics are suitable which are preferably heat-resistant or fire-resistant.
- a device is preferably provided for frictional connection of a rotary mandrel, which in a variant has a central part formed along the Rotary axis directed blind hole recess for receiving the rotary mandrel represents.
- a breakthrough directed along the axis of rotation can also be provided for receiving the rotary mandrel.
- the device for frictional connection of a rotary mandrel may alternatively have a plurality of recesses formed on the central part and oriented parallel to the axis of rotation for receiving a plurality of rotary mandrels.
- the outer wall of a bag preferably forms a part of a deformable web.
- the pockets preferably run in the plane of rotation obliquely to the radial direction or substantially in the circumferential direction.
- the insulating regions can each have projections for latching the toroidal core, which prevent slipping of the potential separating device in the longitudinal direction (parallel to the axis of rotation).
- These protrusions are preferably provided (when viewed in the longitudinal direction) at both ends of the respective insulating region, a recess being formed in the insulating region in which the toroidal core can be arranged.
- the insulating regions preferably extend substantially in the radial direction.
- the deformable webs are preferably angled in the relaxed state relative to the associated insulating region.
- the angle can z. B. at three Ste ⁇ conditions about 24 °.
- the device for potential separation can be connected in a toroidal inductor with the toroidal core and a plurality of separate the windings are used, wherein the number of Iso ⁇ lier Suitee is equal to the number of windings.
- the deformable webs are stretched after insertion in the core hole in the direction of rotation and exert an elastic force on the insulating regions, which acts in the direction of the toroidal core. Da ⁇ in the insulating region are each pressed against the inner wall of the toroidal core.
- the diameter of the device for potential separation in a relaxed state is greater than the inner diameter of the toroidal core.
- the winding of the toroidal core choke forms the counterbearing during the development of the webs around the central part, wherein the insulating regions in each case rest against a winding (closest in the direction of circulation).
- the invention further relates to a method for producing a toroidal core choke with potential separation, which has the following steps:
- the device for electrical isolation is rotated outside the core hole about an axis of rotation until the insulating regions An ⁇ beaten in the direction of rotation against the windings of the toroidal core choke,
- the middle part is further rotated in relation to the detained insulating regions, the deformation of the deformable webs and the reduction of the diameter of the device for potential separation taking place,
- the device for potential separation is introduced into the core hole of the toroidal core as soon as the diameter of the device for potential separation undershoots the inner diameter of the toroidal core
- the middle part is placed on a rotary mandrel and driven in a force-locking manner during rotation by means of the rotary mandrel.
- Figure IA is a view of a device for potential separation from above
- Figure IB is a view of the device for electrical isolation of Figure IA from the side
- Figure IC the device for potential separation in a non-tensioned state before insertion into the core hole
- FIG. 1D shows the device for potential separation in a prestressed state during or after insertion in the core hole
- FIG. 2 shows a toroidal core choke with a device inserted in the core hole for potential separation
- FIG. 1A shows a device for potential separation, which has a center part 1 with a centrally arranged opening 12 for receiving a leading element of an external rotation device. direction.
- the device for electrical isolation also has three insulating regions 31, 32, 33, which are each connected by means of a thin-walled web 21, 22, 23 fixedly connected to the center part 1 Mit ⁇ .
- the device for potential separation is integrally formed.
- Each web 21 to 23 represents a thin wall, which is aligned parallel to the axis of rotation. Because the webs 21 to 23 have a thin-walled construction, they are easily deformable in a direction which lies in the plane running transversely to the web wall-the plane of rotation.
- the insulating regions 31 to 33 are each aligned in the radial direction.
- the webs run obliquely with respect to the radial direction or with respect to the associated insulating region, wherein each web 21 to 23 which extends in a straight state when not prestressed connects the insulating region 31 to 33 assigned to it and the middle part 1 "diagonally"
- a greater web length is achieved in comparison with the alignment in the radial direction, which increases the flexibility of the web 11.
- pockets 11 are formed at the shoulder of each web, which serve to further extend the respective web.
- the breakthrough 12 is here prismatic or triangular in cross section and aligned along the axis of rotation.
- the aperture or else a blind hole recess corresponding thereto can have a different cross section, which is suitable for guiding (during rotation) of the middle part 1 by an external turning device.
- the rotational force is preferably transmitted formschlüs ⁇ sig of the rotating device to the central part 1.
- the formation of the opening 12 with (in cross-section) at least three vertices is special advantageous. However, it is also possible to form the opening 12 with axes of different lengths in the plane of rotation (eg as an ellipsoid or rectangle).
- the leading element of the rotating device can, but need not be arranged in a form-fitting manner in Mandarin ⁇ break 12.
- a device for electrical isolation in which the insulating regions or webs to each other always the same angle 360 ° / n - at three webs 120 ° - have, where n _> 2 is the number of insulating regions or webs.
- the wall thickness of the webs can, depending on the diameter of the vorge provided core hole z. B. between 0.5 mm and 1 mm.
- the wall thickness of the webs can also be selected depending on the design smaller than 0.5 mm or larger than 1 mm.
- the web length is preferably at least five times greater than its wall thickness.
- the wall thickness of the insulating regions preferably does not fall below the value of 2 mm.
- the height of the potential separation device depends on the height of the toroidal core in which the potential separation device is to be fi xed.
- FIG. 1B shows a schematic side view of the device shown in FIG.
- the length of the Potenti ⁇ altrennvoriques in a direction parallel to the axis of rotation verlauf ⁇ the longitudinal direction exceeds in this variant, the vorgese ⁇ hene height of the toroidal core.
- projections 311, 312; 321, 322 and 331, 332, between which the ring core of the toroidal core choke can be fixed in the longitudinal direction.
- the length of the potential separation device in the longitudinal direction may fall below the intended height of the toroidal core in a further variant or the same.
- the fixing protrusions 311, 312, 321, 322 can even be dispensed with.
- the projections 311, 312, 321, 322 can press against the inner wall of the toroidal core and thus fix the potential separation device in the core hole.
- the potential separation device is shown in a non-prestressed state or before insertion into the core hole, wherein the diameter 51 of a circle comprising the non-prestressed potential separation device is greater than the intended diameter 52 of the core hole.
- the webs 21 to 23 are straight.
- the potential separation device is shown in a pre-stressed state or after insertion in the core hole, wherein the diameter of a circle enclosing the prestressed potential separation device equals the diameter 52 of the core hole.
- Arrows indicate the offset direction 61 of the insulating regions 31 to 33 and the direction of rotation 62.
- the insulating regions 31 to 33 are held firmly during the rotation of the middle part 1, preferably by a wire winding (see FIG. 2), whereby the deformation of the webs 21 to 23 takes place.
- a wire winding see FIG. 2
- the corresponding insulating region 31 is moved to the center of the device.
- the offset direction 61 of the Isolierbe ⁇ rich 31 to 33 corresponds to a radial direction.
- the potential separation device As soon as the diameter of the potential separation device reaches the diameter of the core hole, the potential separation device is pushed into the core hole.
- the webs 21 to 23 remain in a tensioned state and exert on the insulating regions 31 to 33 an elastic force acting in the radial direction against the toroidal core and so fixed the Poten ⁇ tialtrennvorraum in the core hole.
- the invention is not limited to the exemplary embodiments explained in FIGS., In particular the shape or the number of illustrated elements. Any number of webs or insulating areas are possible.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Transformers For Measuring Instruments (AREA)
- Insulating Of Coils (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05782179A EP1797572B1 (de) | 2004-10-07 | 2005-06-30 | Vorrichtung zur potentialtrennung, ringkerndrossel und verfahren zur herstellung der ringkerndrossel |
CN200580034415XA CN101036203B (zh) | 2004-10-07 | 2005-06-30 | 用于电位分隔的装置、环形铁芯电抗器和制造环形铁芯电抗器的方法 |
DE502005003679T DE502005003679D1 (de) | 2004-10-07 | 2005-06-30 | Vorrichtung zur potentialtrennung, ringkerndrossel und verfahren zur herstellung der ringkerndrossel |
JP2007534992A JP4582668B2 (ja) | 2004-10-07 | 2005-06-30 | 電位分離のための装置、トロイダルコアチョークおよびトロイダルコアチョークを製作するための方法 |
US11/732,717 US7400224B2 (en) | 2004-10-07 | 2007-04-04 | Device for electrical isolation, toroidal core choke, and method for producing the toroidal core choke |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004048966A DE102004048966A1 (de) | 2004-10-07 | 2004-10-07 | Vorrichtung zur Potentialtrennung, Ringkerndrossel und Verfahren zur Herstellung der Ringkerndrossel |
DE102004048966.1 | 2004-10-07 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/732,717 Continuation US7400224B2 (en) | 2004-10-07 | 2007-04-04 | Device for electrical isolation, toroidal core choke, and method for producing the toroidal core choke |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006039876A1 true WO2006039876A1 (de) | 2006-04-20 |
Family
ID=35840143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/001154 WO2006039876A1 (de) | 2004-10-07 | 2005-06-30 | Vorrichtung zur potentialtrennung, ringkerndrossel und verfahren zur herstellung der ringkerndrossel |
Country Status (6)
Country | Link |
---|---|
US (1) | US7400224B2 (de) |
EP (1) | EP1797572B1 (de) |
JP (1) | JP4582668B2 (de) |
CN (1) | CN101036203B (de) |
DE (2) | DE102004048966A1 (de) |
WO (1) | WO2006039876A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006084450A1 (de) * | 2005-02-11 | 2006-08-17 | Epcos Ag | Isolierteil und ringkerndrossel |
WO2006133663A1 (de) * | 2005-06-16 | 2006-12-21 | Epcos Ag | Trägervorrichtung für eine ringkerndrossel, halterung für ein induktives bauelement und induktives bauelement |
WO2011061258A3 (de) * | 2009-11-19 | 2011-07-14 | Epcos Ag | Vorrichtung zur potentialtrennung und ringkerndrossel |
US8063728B2 (en) | 2004-08-12 | 2011-11-22 | Epcos Ag | Inductive component for high currents and method for the production thereof |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005010342A1 (de) * | 2005-03-07 | 2006-09-14 | Epcos Ag | Induktives Bauelement |
DE102005027942A1 (de) | 2005-06-16 | 2006-12-28 | Epcos Ag | Haltevorrichtung, Trägervorrichtung für eine Ringkerndrossel und induktives Bauelement |
TWI394185B (zh) * | 2009-07-01 | 2013-04-21 | Delta Electronics Inc | 磁性組件及其組裝方法 |
JP5967472B2 (ja) * | 2012-04-20 | 2016-08-10 | 日立金属株式会社 | コイル部品 |
CN103515057B (zh) * | 2012-06-26 | 2016-04-13 | 立讯精密工业股份有限公司 | 磁性模组的制造方法 |
DE102016206171A1 (de) * | 2016-04-13 | 2017-10-19 | Würth Elektronik eiSos Gmbh & Co. KG | Trennelement für eine Ringkerndrossel und Ringkerndrossel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3047603A1 (de) * | 1980-12-17 | 1982-07-22 | Siemens AG, 1000 Berlin und 8000 München | Ringkerndrossel |
EP0258592A1 (de) * | 1986-08-01 | 1988-03-09 | Siemens Aktiengesellschaft | Potentialtrennung für eine Ringkerndrossel |
DE19932475A1 (de) * | 1999-07-12 | 2001-02-01 | Vacuumschmelze Gmbh | Drossel mit Trennsteg |
EP1220242A1 (de) * | 2000-12-27 | 2002-07-03 | Minebea Co., Ltd. | Gleichtaktdrosselspule |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60179013U (ja) * | 1984-05-08 | 1985-11-28 | 株式会社村田製作所 | トロイダル磁心用絶縁ケ−ス |
JPH0246018Y2 (de) * | 1985-01-14 | 1990-12-05 | ||
JPH0648808Y2 (ja) * | 1989-02-15 | 1994-12-12 | 株式会社トーキン | コモンモードチョークコイル |
JPH0945539A (ja) * | 1995-07-31 | 1997-02-14 | Tokin Corp | コモンモードチョークコイル |
JPH09237717A (ja) * | 1996-02-28 | 1997-09-09 | Tokin Corp | コモンモードチョークコイル |
JP2000208343A (ja) * | 1999-01-19 | 2000-07-28 | Okaya Electric Ind Co Ltd | コモンモ―ドチョ―クコイル |
JP2003297650A (ja) * | 2002-04-04 | 2003-10-17 | Hokuriku Denki Seizo Kk | コモンモードチョークコイル |
DE10223995C1 (de) * | 2002-05-29 | 2003-11-27 | Epcos Ag | Spulenkörper und Kerndrossel mit dem Spulenkörper |
DE10308010A1 (de) | 2003-02-25 | 2004-09-09 | Epcos Ag | Isolierteil, Ringkern, Ringkerndrossel und Verfahren zur Herstellung der Ringkerndrossel |
-
2004
- 2004-10-07 DE DE102004048966A patent/DE102004048966A1/de not_active Ceased
-
2005
- 2005-06-30 EP EP05782179A patent/EP1797572B1/de active Active
- 2005-06-30 WO PCT/DE2005/001154 patent/WO2006039876A1/de active IP Right Grant
- 2005-06-30 JP JP2007534992A patent/JP4582668B2/ja active Active
- 2005-06-30 DE DE502005003679T patent/DE502005003679D1/de active Active
- 2005-06-30 CN CN200580034415XA patent/CN101036203B/zh active Active
-
2007
- 2007-04-04 US US11/732,717 patent/US7400224B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3047603A1 (de) * | 1980-12-17 | 1982-07-22 | Siemens AG, 1000 Berlin und 8000 München | Ringkerndrossel |
EP0258592A1 (de) * | 1986-08-01 | 1988-03-09 | Siemens Aktiengesellschaft | Potentialtrennung für eine Ringkerndrossel |
DE19932475A1 (de) * | 1999-07-12 | 2001-02-01 | Vacuumschmelze Gmbh | Drossel mit Trennsteg |
EP1220242A1 (de) * | 2000-12-27 | 2002-07-03 | Minebea Co., Ltd. | Gleichtaktdrosselspule |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8063728B2 (en) | 2004-08-12 | 2011-11-22 | Epcos Ag | Inductive component for high currents and method for the production thereof |
WO2006084450A1 (de) * | 2005-02-11 | 2006-08-17 | Epcos Ag | Isolierteil und ringkerndrossel |
US7990248B2 (en) | 2005-02-11 | 2011-08-02 | Epcos Ag | Insulation alement and toroidal core throttle |
WO2006133663A1 (de) * | 2005-06-16 | 2006-12-21 | Epcos Ag | Trägervorrichtung für eine ringkerndrossel, halterung für ein induktives bauelement und induktives bauelement |
WO2011061258A3 (de) * | 2009-11-19 | 2011-07-14 | Epcos Ag | Vorrichtung zur potentialtrennung und ringkerndrossel |
US8841985B2 (en) | 2009-11-19 | 2014-09-23 | Epcos Ag | Device for electrical isolation and toroidal core choke |
Also Published As
Publication number | Publication date |
---|---|
JP2008516430A (ja) | 2008-05-15 |
EP1797572B1 (de) | 2008-04-09 |
DE502005003679D1 (de) | 2008-05-21 |
EP1797572A1 (de) | 2007-06-20 |
CN101036203B (zh) | 2012-05-23 |
US20070241855A1 (en) | 2007-10-18 |
US7400224B2 (en) | 2008-07-15 |
CN101036203A (zh) | 2007-09-12 |
DE102004048966A1 (de) | 2006-04-13 |
JP4582668B2 (ja) | 2010-11-17 |
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