EP1891648A1 - Trägervorrichtung für eine ringkerndrossel, halterung für ein induktives bauelement und induktives bauelement - Google Patents
Trägervorrichtung für eine ringkerndrossel, halterung für ein induktives bauelement und induktives bauelementInfo
- Publication number
- EP1891648A1 EP1891648A1 EP06722778A EP06722778A EP1891648A1 EP 1891648 A1 EP1891648 A1 EP 1891648A1 EP 06722778 A EP06722778 A EP 06722778A EP 06722778 A EP06722778 A EP 06722778A EP 1891648 A1 EP1891648 A1 EP 1891648A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire guide
- wire
- carrier device
- base plate
- guide devices
- 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
- 230000001939 inductive effect Effects 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000012777 electrically insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002966 varnish 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
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or 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
- a carrier device for a toroidal core choke and a holder with the carrier device will be described. Furthermore, an inductive component is specified with the holder.
- An insulating part 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.
- Another insulating part is z. B. from the document DE 10308010 Al known.
- the insulating part has radially outwardly extending webs, which are elastically deformable by the pressure in the radial direction.
- An object to be solved is to specify a holder for a toroidal core choke with a plurality of windings to be insulated from one another.
- a carrier device for a toroidal core choke is specified.
- the support device comprises a base plate having protruding, elongated wire guide devices.
- the wire guide devices extend to the side of the base plate, which is intended to receive a toroidal core choke.
- the height of a wire guiding device is selected so that a wire guided therein, which is associated with a wire winding, is spaced from at least one other winding of the same annular core choke.
- the height of a wire guiding device may for example be selected so that it extends at least to the core hole set or at least to the center of the core hole. The height of a wire guide device can even go beyond the core hole center in one variant.
- the height of a wire guiding device is preferably substantially greater than its external transverse dimension and / or the transverse dimension of a wire to be guided therein and / or the thickness of the base plate.
- the height of a wire guiding device preferably exceeds the transverse dimension of a wire to be guided therein by at least a factor of two, in one variant by at least a factor of three.
- the height of a wire guiding device exceeds its outer transverse dimension or the thickness of the base plate by at least a factor of two, preferably by at least a factor of three.
- a wire guide device preferably includes at least one wire guide channel, which is designed in one variant as an elongate groove and in another variant as an elongated, through-opening.
- a throttle region for arranging a toroidal core choke is provided between the wire guide devices.
- the toroidal core choke can be arranged standing between the wire guide devices.
- the end faces of the toroidal core choke are turned to the wire guide devices and arranged transversely to the base plate.
- a wire guide device may have a closed profile, a U-profile or an H-profile.
- a Draht Operations- device can, for. B. as a hollow tube or hollow cylinder o- be designed as a one-sided open half pipe. In principle, any cross-sections of the wire guide device come into consideration.
- wire feedthrough openings may be formed, wherein a pair of these openings serves to maintain the grid dimension of a wire winding of the toroidal core choke.
- the base plate may be divided in a longitudinal direction into edge regions and at least one central region arranged between these, wherein two wire guide devices are arranged in the at least one central region and face each other.
- two wire leadthrough openings are provided for each wire winding in each area of the base plate.
- the two wire feedthrough openings of a region are preferably arranged along a transverse direction.
- a wire guide channel extends transversely to the base plate and opens into a wire feedthrough opening.
- a wire guide device has on its side facing the throttle region projections or rails or guides which extend along the main axis of the wire guide devices.
- the remote from the base plate ends of the projections are preferably chamfered.
- a wire guiding device has a latching device which faces the throttle region and which is preferably bounded on both sides by the projections.
- the latching device has, for example, a ribbing or latching elements suitable for toothing.
- the specified carrier device can be used in a holder provided for an inductive component, which further comprises a holding device which can be inserted in the core hole of a toroidal core choke.
- This holding device can, for. B. be fixed by means of its preferably frontally arranged locking device on a locking device of the wire guide devices.
- the locking devices of the holding device are preferably formed as a counterpart to the locking devices of the wire guide devices.
- a counterpart is to be understood as meaning, in particular, a fitting part formed in a form-fitting manner with respect to the original.
- a part of the holding device carrying the latching devices is preferably designed to protrude on both sides in the axial direction with respect to the ring core.
- the holding device is preferably fixable in the core hole by elastic forces.
- the holding device is preferably made of an electrically insulating material. You can z. B. be an isolation device, which is designed star-shaped in a variant.
- the described holder is particularly suitable for an inductive component with a toroidal core choke.
- the toroidal core choke comprises a toroidal core and a plurality of wire windings wound around the core, whose ends are passed through the wire penetrating openings of the base plate.
- the preferably provided as potential separation device holding device is inserted into the core hole of the toroidal core and fixed between the wire guide devices, wherein ends of one of the wire windings are guided in the wire guide channels of the wire guide devices.
- FIG. 1 shows an exemplary carrier device for a toroidal core choke in a perspective view
- FIG. 2 shows the carrier device according to FIG. 1 in a plan view from above;
- FIG. 3 shows an inductive component with a toroidal core choke, the carrier device for the toroidal core choke according to FIG. 1 and an electrical isolation device inserted in the core hole;
- FIG. 4 shows a further carrier device in a cross section parallel to the longitudinal direction of the base plate;
- FIG. 5 is a side view of the carrier device according to Figures 4, 8;
- FIG. 6 shows the carrier device according to FIGS. 4, 8 in a plan view from above;
- FIG. 7 shows the carrier device according to FIGS. 1 and 8 in a cross section transverse to the longitudinal direction of the base plate;
- FIG. 8 shows a perspective view of an inductive component holding arrangement: the carrier device according to FIGS. 4, 8 (bottom) and an electrical isolation device (top) formed as a counterpart to it;
- FIG. 9 shows the holding arrangement according to FIG. 8 in a partial cross-sectional view before insertion of the potential separation device into the carrier device;
- FIG. 10 shows the holding arrangement according to FIGS. 8, 9 after insertion of the potential separation device into the carrier device.
- FIG. 7 shows a cross section of the carrier device in the region of wire feedthrough openings 105 and 106.
- the support device comprises a base plate 10 having wire guide devices 11, 12 protruding in a direction (upward).
- the wire guide devices 11, 12 are bar-like structures, each with a wire guide channel 1 facing away from the throttle area.
- the Draht Resultssvor- directions 11, 12 are formed here with a U-profile.
- the carrier device is preferably made of an electrically insulating material.
- plastics suitable for injection molding are suitable.
- the base plate 10 and the wire guide devices 11, 12 are preferably in one piece, i. H. generated in a process step. It is also possible, however, to manufacture the base plate 10 and the wire guide devices 11, 12 separately from a material or from respectively different materials and to connect them firmly, preferably monolithically, to one another. It is also possible initially to provide the base plate 10 and to produce the wire guide devices 11, 12 thereon in a later method step.
- the toroidal core choke to be seen in FIG. 3 comprises a toroidal core 2 and three wire windings 41, 42, 43 wound onto this core, each of which is at its own electrical potential.
- the wire guide devices 11, 12 each serve for a secure spacing of the wire ends 33 of the wire winding 43 from the other wire windings 41, 42. This makes it possible to use wire windings without an insulating sheath. It can be used with an insulating varnish or possibly even not insulated wire windings.
- the base plate 10 is divided in a longitudinal direction x into two edge regions and a middle region.
- the wire guide devices 11, 12 are arranged in the middle region of the base plate 10.
- the wire guide devices 11, 12 are transverse to the longitudinal direction x of the base plate 10 facing each other. Between the wire guide devices 11, 12, a throttle area for receiving a toroidal core choke is provided.
- Two wire feedthrough openings 101 and 102, 103 and 104, 105 and 106 are provided per area.
- the openings 101 to 106 are arranged in pairs along a transverse direction y.
- the pairs of openings serve in each case to maintain the grid dimension of ends 31, 32, 33 of the respective wire winding 41, 42, 43.
- the openings 101 and 102 serve for the passage of both ends 32 of the wire winding 42.
- the wire guide channels of the Draht Equipmentsvorriehtungen 11 and 12 open into the openings 103 and 104, respectively.
- the carrier device is preferably formed symmetrically with respect to an axis extending through its center, parallel to the direction x or y.
- the openings 101 to 106 are preferably formed as shown in Fig. 7 openings 105, 106, wherein they have a portion with perpendicular to the main surface of the base plate 10 extending inner walls and another portion which has a widening in cross section to the top of the base plate.
- the latter section facilitates the insertion of the wire ends 31, 32, 33 in the respective opening.
- the cross-section and the transverse dimension of the former portion of the respective opening is preferably adapted to the cross-section or the outer dimension of the wire end 31, 32, 33.
- spacer feet 60 are provided for spacing between the base plate 10 and a not shown here, provided for mounting the inductive component circuit board.
- End portions of the wire winding 43 are fixed by the walls of the wire guide devices 11, 12.
- these end cuts are recessed in the respective wire guide channel, so that the wire section in cross section on the open side of the wire guide devices 11, 12 does not protrude beyond these devices.
- the wire guide devices 11, 12 each have a surface IIa or 12a, which faces the top of these devices and extends obliquely to its lateral surface and its top. This bevel facilitates the insertion of a toroidal core between the wire guide devices 11, 12.
- FIG. 3 shows an inductive component with an already explained carrier device and an electrical potential separation device 5 designed as a counterpart to it.
- the end portions of the wire winding 43 are each fixed in the axial direction of the wire guide channel, ie transversely to the base plate 10. Characterized in that transverse to the base plate 10 extending end portions of the wire winding 43 are each fixed in the wire guide channel of the wire guide device 11 and 12, whereby their lateral slipping is prevented, the position of the toroidal core choke is fixed relative to the base plate 10.
- the potential separation device 5 shown in FIG. 8 is inserted into the core hole of the toroidal core 2. It has a central part 55 and three outgoing from this, star-shaped, in this variant elastically deformable webs 501 to 503, at the ends facing away from the center insulating 511, 512, 513 are provided.
- the webs of an electrical isolation device can be dimensionally stable in a further variant and have elastically deformable, preferably expandable, devices at their ends facing the toroidal core.
- FIGS. 4 to 6 show a further advantageous embodiment of a carrier device for a toroidal core choke in various views.
- FIGS. 8 to 10 show various views of a holder which comprises this carrier device and an electrodeposition device 5 which can be inserted into a core hole.
- the support device according to the second embodiment is preferably substantially the same as the support device according to the first embodiment except for the differences explained below and apparent from the figures.
- the wire guide devices 11 and 12 are mirror-symmetrical. Its design will be explained with reference to the wire guide device 11.
- Figure 4 shows a partial cross-sectional view of the support device according to the second embodiment with a view of the wire guide device 11 from the inside.
- the wire guide device 11 has on its inner side facing the ring core hole a locking device 113, which is designed here as a latching surface with a ribbing.
- the ribbing extends along the axis of the wire guide device 11.
- the ribbing is designed so that the sliding of an electrical isolation device 5 to the base plate 10 out possible, but the sliding in the opposite direction is prevented.
- the latching device 113 is bounded on both sides by rails 111 and 112.
- the rails 111 and 112 represent projections of the wire guide device 11 facing the toroidal core choke. These rails run parallel to the axis of the wire guiding device.
- the rails 111 and 112 are tapered towards the top of the wire guide device such that the introduction of a potential separation device 5 is facilitated.
- the part of the potential separating device 5 facing the wire guiding device 11 is preferably designed such that it can glide smoothly between the rails 111, 112, but can not slide off laterally.
- FIG. 4 A side view of the carrier device according to FIG. 4 is shown in FIG. In this case, the outside of the wire guiding device 11 can be seen.
- the section AA of the carrier device according to FIGS. 4 to 6 is shown in FIG.
- the section BB of this carrier device can be seen in FIGS. 9 and 10.
- FIG. 6 shows that the wire guide devices 11, 12 each have essentially an H-profile.
- FIG. 8 shows a holder for an inductive component with an electrical isolation device 5 (top) and a carrier device already explained in connection with FIGS. 4 to 6 (bottom).
- the potential separation device 5 is inserted in the core hole of the toroidal core 2 and preferably z. B. fixed by means of elastic forces in this. With a block arrow is indicated that the potential separation device 5 - preferably inserted after insertion into the core hole of a toroidal core between the wire guide devices 11 and 12 and is fixed between them by means of locking devices 50, 113 in the vertical direction and by means of projections of the wire guide devices in the longitudinal direction.
- FIG. 9 shows the holder shown in FIG. 8 in a further view.
- latching devices 50 designed as ribs are formed on both end sides of the rigid insulating region 511.
- the rigid insulating region 511 that is to say the part of the potential separation device 5 carrying the latching devices 50, protrudes in the axial direction on both sides beyond remaining parts of the potential separation device.
- the axial size of the remaining parts of the potential separation device is adapted to the axial size of the toroidal core, wherein the iso Lier Scheme 511 protrudes on both sides of the core and thus for fixing the arrangement of the potential separation device 5 and the core 2 is suitable.
- FIG. 9 only one projection 111 or 121 of the wire guide device 11 or 12 is visible.
- An upper end of the projection 111, 121 has a beveled surface purple or 121a.
- beveled surfaces of the projections which are assigned to the same wire guide device, facing each other.
- FIG. 10 the holder according to FIGS. 8 and 9 is shown after snapping the potential separating device 5 between wire guiding devices 11 and 12.
- the locking devices of a wire guide device and the potential separation device are adapted to one another in a form-fitting manner.
- the locking devices 50, 113, 123 are designed as a locking mechanism, wherein the movement of the potential separation device 5 is prevented upwards by the preferred direction of the toothing.
- the wire guide devices 11, 12 may have any cross section or the wire guide channel with an arbitrary cross section.
- the wire guide devices 11, 12 may be formed in a variant as a hollow tube or a hollow cylinder.
- the cross section of the wire guide channel is preferably adapted to the shape of the wire 31 to 33.
- the shape of the base plate may be arbitrary, although a rectangular or square design is preferable.
- the number of wire windings may differ from three.
- the number of wire feedthrough openings is preferably on adapted the number of wire windings.
- N-2 middle areas of the base plate 10 are preferably provided, wherein each of these middle areas is assigned a pair of wire guide devices lying opposite one another.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005027943A DE102005027943A1 (de) | 2005-06-16 | 2005-06-16 | Trägervorrichtung für eine Ringkerndrossel, Halterung für ein induktives Bauelement und induktives Bauelement |
PCT/DE2006/000641 WO2006133663A1 (de) | 2005-06-16 | 2006-04-11 | Trägervorrichtung für eine ringkerndrossel, halterung für ein induktives bauelement und induktives bauelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1891648A1 true EP1891648A1 (de) | 2008-02-27 |
EP1891648B1 EP1891648B1 (de) | 2010-08-04 |
Family
ID=36753988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06722778A Active EP1891648B1 (de) | 2005-06-16 | 2006-04-11 | Trägervorrichtung für eine ringkerndrossel und induktives bauelement |
Country Status (7)
Country | Link |
---|---|
US (1) | US7880579B2 (de) |
EP (1) | EP1891648B1 (de) |
JP (1) | JP5065261B2 (de) |
CN (1) | CN101199032B (de) |
AT (1) | ATE476746T1 (de) |
DE (2) | DE102005027943A1 (de) |
WO (1) | WO2006133663A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004039230A1 (de) * | 2004-08-12 | 2006-02-23 | Epcos Ag | Induktives Bauelement für hohe Ströme und Verfahren zu dessen Herstellung |
DE102005006344A1 (de) * | 2005-02-11 | 2006-08-17 | Epcos Ag | Isolierteil und Ringkerndrossel |
DE102005010342A1 (de) * | 2005-03-07 | 2006-09-14 | Epcos Ag | Induktives Bauelement |
US20110074383A1 (en) * | 2009-09-29 | 2011-03-31 | Astec International Limited | Assemblies and Methods for Sensing Current Through Semiconductor Device Leads |
DE102009054001A1 (de) * | 2009-11-19 | 2011-08-04 | Epcos Ag, 81669 | Vorrichtung zur Potentialtrennung und Ringkerndrossel |
US8754734B2 (en) * | 2010-02-11 | 2014-06-17 | Pulse Electronics, Inc. | Simplified inductive devices and methods |
CN103093924A (zh) * | 2011-11-04 | 2013-05-08 | 旭丽电子(广州)有限公司 | 电感元件及制造电感元件的方法 |
US20130293331A1 (en) * | 2012-05-03 | 2013-11-07 | Control Techniques Ltd | Component for clamping choke to chassis |
CN105632691B (zh) * | 2014-11-14 | 2019-06-14 | 伊顿智能动力有限公司 | 立绕环形电感器的支架装置及电感器 |
JP6210601B2 (ja) * | 2014-12-17 | 2017-10-11 | オートリブ日信ブレーキシステムジャパン株式会社 | 電子制御ユニット |
JP6525676B2 (ja) * | 2015-03-31 | 2019-06-05 | ヴィオニア日信ブレーキシステムジャパン株式会社 | ブレーキ制御装置用チョークコイル |
KR101649349B1 (ko) * | 2015-04-02 | 2016-08-19 | 우진공업주식회사 | 코일 마운트 |
DE102015107605B4 (de) | 2015-05-13 | 2018-01-25 | Sma Solar Technology Ag | Induktives Bauelement für Leiterplattenmontage und Wechselrichter mit einem leiterplattenmontierten induktiven Bauelement |
WO2017147129A1 (en) * | 2016-02-24 | 2017-08-31 | Murata Manufacturing Co., Ltd. | Substrate-embedded transformer with improved isolation |
CN107017076B (zh) * | 2016-07-27 | 2018-06-15 | 何排枝 | 一种钢胶复合型电流互感器 |
CN106935383B (zh) * | 2016-07-27 | 2018-05-08 | 何排枝 | 一种塑胶复合型电流互感器 |
CN106816280B (zh) * | 2016-12-14 | 2018-07-17 | 北京无线电测量研究所 | 一种高频开关变压器 |
WO2020160849A1 (en) | 2019-02-08 | 2020-08-13 | Eaton Intelligent Power Limited | Inductors with core structure supporting multiple air flow modes |
DE112020002565T5 (de) * | 2019-06-03 | 2022-02-24 | Alps Alpine Co., Ltd. | Drossel |
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DE8015111U1 (de) * | 1980-06-06 | 1980-09-04 | Vogt Gmbh & Co Kg, 8391 Erlau | Stromkompensierte entstoerdrossel fuer hoehere stroeme |
DE3047603A1 (de) * | 1980-12-17 | 1982-07-22 | Siemens AG, 1000 Berlin und 8000 München | Ringkerndrossel |
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JPS5972710U (ja) * | 1982-11-08 | 1984-05-17 | 株式会社トーキン | トロイダルコイル |
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US4833436A (en) * | 1986-09-12 | 1989-05-23 | Kuhlman Corporation | Formed metal core blocking |
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-
2005
- 2005-06-16 DE DE102005027943A patent/DE102005027943A1/de not_active Ceased
-
2006
- 2006-04-11 DE DE502006007599T patent/DE502006007599D1/de active Active
- 2006-04-11 CN CN2006800215115A patent/CN101199032B/zh active Active
- 2006-04-11 JP JP2008516115A patent/JP5065261B2/ja active Active
- 2006-04-11 WO PCT/DE2006/000641 patent/WO2006133663A1/de active Application Filing
- 2006-04-11 EP EP06722778A patent/EP1891648B1/de active Active
- 2006-04-11 AT AT06722778T patent/ATE476746T1/de active
-
2007
- 2007-12-14 US US11/956,726 patent/US7880579B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006133663A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101199032A (zh) | 2008-06-11 |
DE502006007599D1 (de) | 2010-09-16 |
EP1891648B1 (de) | 2010-08-04 |
WO2006133663A1 (de) | 2006-12-21 |
JP2008547188A (ja) | 2008-12-25 |
DE102005027943A1 (de) | 2006-12-28 |
US7880579B2 (en) | 2011-02-01 |
US20080129436A1 (en) | 2008-06-05 |
ATE476746T1 (de) | 2010-08-15 |
CN101199032B (zh) | 2011-12-14 |
JP5065261B2 (ja) | 2012-10-31 |
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