EP2996120B1 - Support device for a ring core choke and inductive component - Google Patents
Support device for a ring core choke and inductive component Download PDFInfo
- Publication number
- EP2996120B1 EP2996120B1 EP15188963.1A EP15188963A EP2996120B1 EP 2996120 B1 EP2996120 B1 EP 2996120B1 EP 15188963 A EP15188963 A EP 15188963A EP 2996120 B1 EP2996120 B1 EP 2996120B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support device
- latching
- toroidal core
- fastening devices
- base plate
- 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.)
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- 230000001939 inductive effect Effects 0.000 title claims description 12
- 238000004804 winding Methods 0.000 claims description 21
- 230000013011 mating Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 26
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
Images
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
Definitions
- a carrier device for a toroidal core choke will be described. Furthermore, a holder for an inductive component comprising the carrier device and an inductive component with the holder is described.
- the pamphlets JP H05 46009 U and JP 3 006873 U each show a fastening device with wire guide for a toroidal core choke.
- the document shows DE 10223995 C1 an insulating part, which surrounds 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 A1 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 carrier device for a toroidal core choke.
- a toroidal holding device which has locking devices and which can be fastened by means of these locking devices to a counterpart.
- a support device is specified for a toroidal core, which has a latching device for fastening a Has holding device for the toroidal core.
- the holding device can be fastened in the toroidal core preferably by means of elastic forces.
- the holding device and the carrier device are preferably each formed from an electrically insulating material.
- plastics suitable for injection molding are suitable.
- the specified carrier device and the specified holding device form in an advantageous variant of a holder or a partial housing of an inductive component with a toroidal core choke, wherein the locking devices of the holding device and the carrier device are formed complementary to each other.
- the latching device of a holding device or a carrier device is preferably designed as a latching surface.
- the locking surface can, for. B. have a ribbing.
- the locking devices are preferably arranged on both end sides of the holding device.
- a part of the holding device carrying the latching devices is preferably designed to protrude over the remaining parts of the holding device.
- the holding device can, for. B. may be provided as a potential separation device in a toroidal core choke with multiple windings.
- You can z. B. comprise a star-shaped arrangement of a plurality of webs, wherein at least one of the webs has a latching device, preferably a latching surface.
- the holding device comprises a central part and at least two outwardly extending, elastically deformable webs which can be wound around the middle part and which each have a rigid insulating region at their end remote from the middle part.
- a latching device is arranged on the rigid insulating region.
- at least one latching surface are arranged on both end sides of the insulating region.
- a locking device on the central part - preferably also frontally - be arranged.
- the latching device of the carrier device may comprise two opposing latching surfaces.
- the holding device for a ring core is preferably fastened between these latching surfaces.
- the support device comprises a base plate having protruding, elongated attachment devices and a region disposed between them for receiving a toroidal core choke.
- the fastening devices preferably extend perpendicular to the base plate and have the shape of a rod.
- a toroidal core choke is arranged in a variant between two preferably in a transverse direction opposite each other fastening devices standing.
- a fastening device has at least one latching device facing the throttle region, wherein the latching device comprises at least one latching surface.
- a fastening device may have elongated projections which laterally delimit the latching surface. The remote from the base plate ends of the projections are preferably chamfered.
- the fastening devices are provided in an advantageous variant, also for wire guidance or to comply with the grid dimension of a wire winding of the toroidal core choke.
- they preferably have at least one wire guide channel which runs parallel to the axis of the fastening device or perpendicular to the base plate. The ends of one of the wire windings are guided in the wire guide channels of the fastening devices.
- a wire guide channel is preferably formed as a groove on the side facing away from the throttle region side of the fastening device.
- a fastening device is thus preferably for a plurality of purposes, d. H. used both for fixing the holding device as well as wire guide.
- a multifunctional fastening device preferably has an H-profile.
- the base plate preferably at least two wire feedthrough openings are provided for receiving ends of a wire winding.
- the wire guide channel of a holding device opens into one of these openings.
- FIG. 1 shows a holder for an inductive component with a designed as potential separation device 5 holding device (above) and also in the description of the FIGS. 4 to 6 explained carrier device (below).
- FIG. 2 shows the in FIG. 1 shown holder in another view.
- a potential separation device 5 used in the core hole of the toroidal core 2 of a toroidal core choke is shown in FIG. 3 shown.
- the potential separation device 5 serves as a spacer between wire windings 41, 42, 43 of the toroidal core choke.
- an electrical isolation device 5 may include any toroidal core support.
- toroidal core choke comprises a toroidal core 2 and three wound on this core wire windings 41, 42, 43, each of which is at its own electrical potential.
- the potential separation device 5 is preferably fixed in the core hole by means of elastic forces acting in the radial direction.
- the potential separation device 5 has a central portion 55 and three outgoing from this, star-shaped extending, in this variant elastically deformable webs 501, 502, 503, at the ends facing away from the middle insulating regions 511, 512, 513 are provided.
- potential separation device 5 may be dimensionally stable in another variant and have at their ends facing the toroidal elastically deformable, preferably spreadable devices that press upon insertion of the potential separation device 5 in a core hole against the inner wall of the core hole.
- the webs 521, 522, 523 are arranged in a star shape.
- FIGS. 1 and 2 is indicated by a block arrow that the potential separation device 5 - preferably inserted after insertion into the core hole of a ring core - between the fastening devices 11 and 12 and between this is fixed by means of locking devices 50, 113 in the vertical direction and by means of projections 111, 112 and 121, 122 of the fastening devices 11, 12 in the longitudinal direction.
- 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 insulating region 511 protrudes on both sides of the core and thus suitable for fixing the arrangement of the potential separation device 5 and the core 2.
- FIG. 2 is only one projection 111 or 121 of the fastening device 11 and 12 visible.
- An upper end of the projection 111, 121 has a tapered surface 111a, 121a, respectively.
- beveled surfaces of the projections which are associated with the same fastening device, facing each other, see Fig. 4 ,
- FIG. 2A is the bracket according to FIGS. 1 and 2 shown after locking the potential separation device 5 between fasteners 11 and 12.
- the locking devices of a fastening device and the potential separation device are positively adapted to each other.
- 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.
- FIGS. 4 to 6 a further advantageous embodiment of a carrier device for a toroidal core choke is shown in different views.
- FIGS. 8 to 10 different views of a holder are shown, which comprises this support device and an insertable into a core hole potential separation device 5.
- 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 fastening devices 11 and 12 are mirror-symmetrical. Their design will be explained with reference to the fastening device 11.
- FIG. 4 shows a partial cross-sectional view of the support device according to the second embodiment with a view of the fastening device 11 from the inside.
- the fastening device 11 has on its inner side facing the ring core hole a latching device 113, which is designed here as a latching surface with a ribbing.
- the ribbing extends along the axis of the fastening device 11.
- the ribbing is designed so that the sliding of a potential separation 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 are in the direction of the toroidal core choke facing projections of the fastening device 11. These rails are parallel to the axis of the fastening device.
- the rails 111 and 112 are tapered towards the top of the fastening device such that the introduction of a potential separation device 5 is facilitated.
- the part of the potential separating device 5 facing the fastening device 11 is preferably designed such that it can glide smoothly between the rails 111, 112, but can not slip off laterally.
- FIG. 5 A side view of the carrier device according to FIG. 4 is in FIG. 5 shown. In this case, the outside of the fastening device 11 can be seen.
- the fastening devices 11, 12 each have a substantially H-profile.
- the base plate 10 is divided in a longitudinal direction x into two edge regions and a middle region.
- the fastening devices 11, 12 are arranged in the central region of the base plate 10.
- the fastening devices 11, 12 are transverse to the longitudinal direction x of the base plate 10 facing each other.
- a throttle region for receiving a toroidal core choke is provided between the fastening devices 11, 12 .
- 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 to carry out both ends 32 of the wire winding 42.
- the openings 103 and 104 serve for the passage of ends 33 of the wire winding 43 and the openings 105 and 106 for the passage of ends 31 of the wire winding 41.
- the wire guide channels of the fastening devices 11 and 12 open into the openings 103 and 104, respectively.
- the carrier device is preferably mirror-symmetrical with respect to an axis extending through its center, parallel to the direction x or y.
- spacer feet 60 are arranged for spacing between the base plate 10 and a circuit board, not shown here, provided for mounting the inductive component.
- End portions of the wire coil 43 are fixed by the walls of the fastening devices 11, 12.
- these end cuts in the respective wire guide channel are recessed, so that the wire section in cross-section on the open side of the fastening devices 11, 12 does not project beyond these devices.
- the end portions of the wire winding 43 are guided in the wire guide channel and thereby fixed in the axial direction of the wire guide channel, ie perpendicular to the base plate 10. Characterized in that transverse to the base plate 10 extending end portions of the wire winding 43 are respectively fixed in the wire guide channel of the fastening device 11 and 12, wherein their lateral slipping is prevented, the position of the toroidal core choke relative to the base plate 10 is fixed.
- the fastening 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 fastening devices 11, 12 may have any cross-section or the wire guide channel with an arbitrary cross-section.
- the fastening devices 11, 12 may be formed in a variant as a hollow tube or hollow cylinder.
- the cross section of the wire guide channel is preferably adapted to the shape of the wire end 33.
- the base plate 10 and its fastening devices 11, 12 are preferably produced in one piece, ie in one method step. But it is also possible to manufacture the base plate 10 and the fastening devices 11, 12 made of a material or of different materials separately and firmly, preferably monolithically connect to each other. It is also possible initially to provide the base plate 10 and to produce the fastening devices 11, 12 thereon in a later method step.
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Description
Es wird eine Trägervorrichtung für eine Ringkerndrossel beschrieben. Ferner wird eine Halterung für ein induktives Bauelement aufweisend die Trägervorrichtung und ein induktives Bauelement mit der Halterung beschrieben.A carrier device for a toroidal core choke will be described. Furthermore, a holder for an inductive component comprising the carrier device and an inductive component with the holder is described.
Die Druckschriften
Weiterhin zeigt die Druckschrift
Ein weiteres Isolierteil ist z. B. aus der Druckschrift
Eine zu lösende Aufgabe besteht darin, eine Trägervorrichtung für eine Ringkerndrossel anzugeben.An object to be solved is to specify a carrier device for a toroidal core choke.
Es wird eine in einen Ringkern einsetzbare Haltevorrichtung angegeben, die Rastvorrichtungen aufweist und die mittels dieser Rastvorrichtungen an einem Gegenstück befestigbar ist. Als Gegenstück kann z. B. ein Gehäuse, ein Teilgehäuse oder eine Trägervorrichtung dienen.It is given a usable in a toroidal holding device, which has locking devices and which can be fastened by means of these locking devices to a counterpart. As a counterpart z. B. a housing, a housing part or serve a carrier device.
Des weiteren wird eine Trägervorrichtung für einen Ringkern angegeben, die eine Rastvorrichtung zur Befestigung einer Haltevorrichtung für den Ringkern aufweist.Furthermore, a support device is specified for a toroidal core, which has a latching device for fastening a Has holding device for the toroidal core.
Im Folgenden werden bevorzugte Ausgestaltungen der angegebenen Halte- und Trägervorrichtung erläutert.In the following, preferred embodiments of the specified holding and carrier device will be explained.
Die Haltevorrichtung ist im Ringkernloch vorzugsweise mittels elastischer Kräfte befestigbar.The holding device can be fastened in the toroidal core preferably by means of elastic forces.
Die Haltevorrichtung und die Trägervorrichtung sind vorzugsweise jeweils aus einem elektrisch isolierenden Material gebildet. Insbesondere kommen für einen Spritzguss geeignete Kunststoffe in Betracht.The holding device and the carrier device are preferably each formed from an electrically insulating material. In particular, plastics suitable for injection molding are suitable.
Die angegebene Trägervorrichtung und die angegebene Haltevorrichtung bilden in einer vorteilhaften Variante eine Halterung oder ein Teilgehäuse eines induktiven Bauelements mit einer Ringkerndrossel, wobei die Rastvorrichtungen der Haltevorrichtung und der Trägervorrichtung komplementär zueinander ausgebildet sind.The specified carrier device and the specified holding device form in an advantageous variant of a holder or a partial housing of an inductive component with a toroidal core choke, wherein the locking devices of the holding device and the carrier device are formed complementary to each other.
Möglich ist aber auch, die Haltevorrichtung in einem beliebigen Gehäuse oder Teilgehäuse, das zu diesem Zweck vorgesehene Rastvorrichtungen aufweist, zu befestigen.But it is also possible to attach the holding device in any housing or sub-housing having provided for this purpose locking devices.
Die Rastvorrichtung einer Haltevorrichtung oder einer Trägervorrichtung ist vorzugsweise als eine Rastfläche ausgebildet. Die Rastfläche kann z. B. eine Rippung aufweisen.The latching device of a holding device or a carrier device is preferably designed as a latching surface. The locking surface can, for. B. have a ribbing.
Die Rastvorrichtungen sind vorzugsweise auf beiden Stirnseiten der Haltevorrichtung angeordnet. Ein die Rastvorrichtungen tragender Teil der Haltevorrichtung ist vorzugsweise gegenüber den übrigen Teilen der Haltevorrichtung überstehend ausgebildet.The locking devices are preferably arranged on both end sides of the holding device. A part of the holding device carrying the latching devices is preferably designed to protrude over the remaining parts of the holding device.
Die Haltevorrichtung kann z. B. bei einer Ringkerndrossel mit mehreren Wicklungen als eine Potentialtrennungsvorrichtung vorgesehen sein. Sie kann z. B. eine sternförmige Anordnung von mehreren Stege umfassen, wobei mindestens einer der Stege eine Rastvorrichtung, vorzugsweise eine Rastfläche aufweist.The holding device can, for. B. may be provided as a potential separation device in a toroidal core choke with multiple windings. You can z. B. comprise a star-shaped arrangement of a plurality of webs, wherein at least one of the webs has a latching device, preferably a latching surface.
In einer bevorzugten Variante umfasst die Haltevorrichtung ein Mittelteil und mindestens zwei nach außen verlaufende, elastisch verformbare, um das Mittelteil aufwickelbare Stege, die jeweils an ihrem vom Mittelteil abgewandten Ende einen starren Isolierbereich aufweisen.In a preferred variant, the holding device comprises a central part and at least two outwardly extending, elastically deformable webs which can be wound around the middle part and which each have a rigid insulating region at their end remote from the middle part.
In einer Variante ist eine Rastvorrichtung am starren Isolierbereich angeordnet. Vorzugsweise sind dabei an beiden Stirnseiten des Isolierbereichs jeweils mindestens eine Rastfläche angeordnet. Alternativ kann eine Rastvorrichtung am Mittelteil - vorzugsweise auch stirnseitig - angeordnet sein.In a variant, a latching device is arranged on the rigid insulating region. Preferably, in each case at least one latching surface are arranged on both end sides of the insulating region. Alternatively, a locking device on the central part - preferably also frontally - be arranged.
Die Rastvorrichtung der Trägervorrichtung kann zwei gegenüber liegenden Rastflächen umfassen. Die Haltevorrichtung für einen Ringkern wird vorzugsweise zwischen diesen Rastflächen befestigt.The latching device of the carrier device may comprise two opposing latching surfaces. The holding device for a ring core is preferably fastened between these latching surfaces.
Ferner wird eine erfindungsgemäße Ausführungsform einer Trägervorrichtung beschrieben. Die Trägervorrichtung umfasst eine Basisplatte, die hervorstehende, langgestreckte Befestigungsvorrichtungen und einen zwischen diesen angeordneten Bereich zur Aufnahme einer Ringkerndrossel aufweist. Die Befestigungsvorrichtungen erstrecken sich vorzugsweise senkrecht zur Basisplatte und haben die Form einer Stange.Furthermore, an embodiment of a carrier device according to the invention will be described. The support device comprises a base plate having protruding, elongated attachment devices and a region disposed between them for receiving a toroidal core choke. The fastening devices preferably extend perpendicular to the base plate and have the shape of a rod.
Eine Ringkerndrossel wird in einer Variante zwischen zwei vorzugsweise in einer Querrichtung einander gegenüber liegenden Befestigungsvorrichtungen stehend angeordnet.A toroidal core choke is arranged in a variant between two preferably in a transverse direction opposite each other fastening devices standing.
Eine Befestigungsvorrichtung weist mindestens eine zum Drosselbereich hin gewandte Rastvorrichtung auf, wobei die Rastvorrichtung mindestens eine Rastfläche umfasst. Eine Befestigungsvorrichtung kann langgestreckte Vorsprünge aufweisen, die die Rastfläche seitlich begrenzen. Die von der Basisplatte abgewandten Enden der Vorsprünge sind vorzugsweise abgeschrägt.A fastening device has at least one latching device facing the throttle region, wherein the latching device comprises at least one latching surface. A fastening device may have elongated projections which laterally delimit the latching surface. The remote from the base plate ends of the projections are preferably chamfered.
Die Befestigungsvorrichtungen sind in einer vorteilhaften Variante auch zur Drahtführung bzw. zum Einhalten des Rastermasses einer Drahtwicklung der Ringkerndrossel vorgesehen. Sie weisen dabei jeweils vorzugsweise mindestens einen Drahtführungskanal auf, der parallel zur Achse der Befestigungsvorrichtung bzw. senkrecht zur Basisplatte verläuft. Die Enden einer der Drahtwicklungen werden in den Drahtführungskanälen der Befestigungsvorrichtungen geführt. Ein Drahtführungskanal ist vorzugsweise als eine Rille auf der vom Drosselbereich abgewandten Seite der Befestigungsvorrichtung ausgebildet.The fastening devices are provided in an advantageous variant, also for wire guidance or to comply with the grid dimension of a wire winding of the toroidal core choke. In each case, they preferably have at least one wire guide channel which runs parallel to the axis of the fastening device or perpendicular to the base plate. The ends of one of the wire windings are guided in the wire guide channels of the fastening devices. A wire guide channel is preferably formed as a groove on the side facing away from the throttle region side of the fastening device.
Eine Befestigungsvorrichtung wird also vorzugsweise zu mehreren Zwecken, d. h. sowohl zur Befestigung der Haltevorrichtung als auch zur Drahtführung benutzt. Eine multifunktionale Befestigungsvorrichtung weist vorzugsweise ein H-Profil auf.A fastening device is thus preferably for a plurality of purposes, d. H. used both for fixing the holding device as well as wire guide. A multifunctional fastening device preferably has an H-profile.
In der Basisplatte sind vorzugsweise mindestens zwei Drahtdurchführungsöffnungen zur Aufnahme von Enden einer Drahtwicklung vorgesehen. Der Drahtführungskanal einer Haltevorrichtung mündet in eine dieser Öffnungen.In the base plate preferably at least two wire feedthrough openings are provided for receiving ends of a wire winding. The wire guide channel of a holding device opens into one of these openings.
Im Folgenden wird die angegebene Haltevorrichtung, die Trägervorrichtung, eine Halterung für ein induktives Bauelement und ein induktives Bauelement anhand schematischer und nicht maßstabsgetreuer Figuren erläutert. Es zeigen:
-
Figur 1 in einer perspektivischen Ansicht eine Halteanordnung für ein induktives Bauelement: die Trägervorrichtung gemäßFiguren 4 bis 6 mit Rastvorrichtungen (unten) und eine als Potentialtrennungsvorrichtung ausgebildete Haltevorrichtung gemäßFigur 3 mit einem Gegenraster (oben); -
Figur 2 die Halteanordnung gemäßFigur 1 in einer Teilquerschnittsansicht vor dem Einsetzen der Potentialtrennungsvorrichtung in die Trägervorrichtung; -
Figur 2A die Halteanordnung gemäßFiguren 1 ,2 nach dem Einsschieben der Potentialtrennungsvorrichtung in die Befestigungsvorrichtungen der Trägervorrichtung; -
Figur 3 die Draufsicht auf die Stirnseite einer Ringkerndrossel mit einer im Kernloch eingesetzten Potentialtrennungsvorrichtung; -
Figur 4 eine Trägervorrichtung in einem Querschnitt parallel zur Längsrichtung der Basisplatte; -
eine Seitenansicht auf die Trägervorrichtung gemäßFigur 5Figuren 1 ,2 ,2A und4 ; -
Figur 6 die Trägervorrichtung gemäß in einer Draufsicht von oben;Figuren 4, 5 -
Figuren 7 und 8 verschiedene Ansichten einer weiteren Potentialtrennungsvorrichtung mit sternförmigen Stegen und einer Rastvorrichtung; -
Figur 9 ein induktives Bauelement mit einer Halterung für eine Ringkerndrossel gemäßFigur 1 .
-
FIG. 1 in a perspective view of a holding device for an inductive component: the carrier device according toFIGS. 4 to 6 with locking devices (below) and designed as a potential separation device holding device according toFIG. 3 with a counter-grid (above); -
FIG. 2 the holding arrangement according toFIG. 1 in a partial cross-sectional view prior to insertion of the potential separation device in the carrier device; -
FIG. 2A the holding arrangement according toFIGS. 1 .2 after the potential separation device has been pushed into the fastening devices of the carrier device; -
FIG. 3 the top view of the end face of a toroidal core choke with an inserted in the core hole potential separation device; -
FIG. 4 a support device in a cross section parallel to the longitudinal direction of the base plate; -
FIG. 5 a side view of the carrier device according toFIGS. 1 .2 .2A and4 ; -
FIG. 6 the carrier device according toFIGS. 4, 5 in a plan view from above; -
FIGS. 7 and 8 different views of another potential separation device with star-shaped webs and a locking device; -
FIG. 9 an inductive component with a holder for a toroidal core choke according toFIG. 1 ,
Eine im Kernloch des Ringkerns 2 einer Ringkerndrossel eingesetzte Potentialtrennungsvorrichtung 5 ist in
Nachstehend erläuterte Merkmale einer Potentialtrennungsvorrichtung 5 kann eine beliebige Haltevorrichtung für einen Ringkern aufweisen.The following explained features of an
Die in
Die Potentialtrennungsvorrichtung 5 wird vorzugsweise mittels in radialer Richtung wirkender elastischer Kräfte im Kernloch fixiert.The
Die Potentialtrennungsvorrichtung 5 gemäß
Stege 521, 522, 523 einer z. B. in
In
An beiden Stirnseiten des starren Isolierbereichs 511 sind als Rippung geformte Rastvorrichtungen 50 ausgebildet. Der starre Isolierbereich 511, also der die Rastvorrichtungen 50 tragende Teil der Potentialtrennungsvorrichtung 5 steht in axialer Richtung auf beiden Seiten über übrige Teile der Potentialtrennungsvorrichtung hinaus. Vorzugsweise ist die axiale Größe der übrigen Teile der Potentialtrennungsvorrichtung an die axiale Größe des Ringkerns angepasst, wobei der Isolierbereich 511 zu beiden Seiten des Kerns hinausragt und somit zur Fixierung der Anordnung aus der Potentialtrennungsvorrichtung 5 und dem Kern 2 geeignet ist.On both end sides of the rigid
In
In
In
Die Befestigungsvorrichtungen 11 und 12 sind spiegelsymmetrisch ausgebildet. Ihre Ausgestaltung wird anhand der Befestigungsvorrichtung 11 erläutert.The
Die Befestigungsvorrichtung 11 weist auf ihrer zum Ringkernloch gewandten Innenseite eine Rastvorrichtung 113, die hier als eine Rastfläche mit einer Rippung ausgebildet ist. Die Rippung verläuft entlang der Achse der Befestigungsvorrichtung 11. Die Rippung ist dabei so ausgebildet, dass das Gleiten einer Potentialtrennungsvorrichtung 5 zur Basisplatte 10 hin möglich, aber das Gleiten in die dazu entgegengesetzte Richtung verhindert ist.The
Die Rastvorrichtung 113 ist zu beiden Seiten durch Schienen 111 und 112 begrenzt. Die Schienen 111 und 112 stellen in Richtung zur Ringkerndrossel gewandte Vorsprünge der Befestigungsvorrichtung 11 dar. Diese Schienen verlaufen parallel zur Achse der Befestigungsvorrichtung.The
Die Schienen 111 und 112 sind zur Oberseite der Befestigungsvorrichtung hin derart abgeschrägt, dass die Einführung einer Potentialtrennvorrichtung 5 erleichtert ist.The
Der zur Befestigungsvorrichtung 11 gewandte Teil der Potentialtrennvorrichtung 5 ist vorzugsweise so ausgebildet, dass er zwischen den Schienen 111, 112 problemlos gleiten, aber seitlich nicht abrutschen kann.The part of the
Eine Seitenansicht der Trägervorrichtung gemäß
In der
Die Basisplatte 10 ist in einer Längsrichtung x in zwei Randbereiche und einen Mittelbereich aufgeteilt. Die Befestigungsvorrichtungen 11, 12 sind im Mittelbereich der Basisplatte 10 angeordnet. Die Befestigungsvorrichtungen 11, 12 stehen quer zur Längsrichtung x der Basisplatte 10 einander gegenüber. Zwischen den Befestigungsvorrichtungen 11, 12 ist ein Drosselbereich zur Aufnahme einer Ringkerndrossel vorgesehen.The
Pro Bereich sind je zwei Drahtdurchführungsöffnungen 101 und 102, 103 und 104, 105 und 106 vorgesehen. Die Öffnungen 101 bis 106 sind paarweise entlang einer Querrichtung y angeordnet. Die Öffnungspaare dienen jeweils zur Einhaltung des Rastermaßes von Enden 31, 32, 33 der jeweiligen Drahtwicklung 41, 42, 43. Die Öffnungen 101 und 102 dienen dabei zur Durchführung von beiden Enden 32 der Drahtwicklung 42. Analog dazu dienen die Öffnungen 103 und 104 zur Durchführung von Enden 33 der Drahtwicklung 43 bzw. die Öffnungen 105 und 106 zur Durchführung von Enden 31 der Drahtwicklung 41.Two
Die Drahtführungskanäle der Befestigungsvorrichtungen 11 und 12 münden in die Öffnungen 103 bzw. 104.The wire guide channels of the
Die Trägervorrichtung ist vorzugsweise bezogen auf eine durch ihre Mitte, parallel zu der Richtung x bzw. y verlaufende Achse spiegelsymmetrisch ausgebildet.The carrier device is preferably mirror-symmetrical with respect to an axis extending through its center, parallel to the direction x or y.
Auf der Unterseite der Basisplatte 10 sind Distanzfüße 60 zur Abstandhaltung zwischen der Basisplatte 10 und einer hier nicht gezeigten, zur Montage des induktiven Bauelements vorgesehenen Leiterplatte angeordnet.On the underside of the
Endabschnitte der Drahtwicklung 43 sind durch die Wände der Befestigungsvorrichtungen 11, 12 fixiert. Vorzugsweise sind diese Endschnitte im jeweiligen Drahtführungskanal versenkt, so dass der Drahtabschnitt im Querschnitt auf der offenen Seite der Befestigungsvorrichtungen 11, 12 über diese Vorrichtungen hinaus nicht übersteht.End portions of the
Die Endabschnitte der Drahtwicklung 43 sind im Drahtführungskanal geführt und dadurch in Axialrichtung des Drahtführungskanals, also senkrecht zur Basisplatte 10 fixiert. Dadurch, dass quer zur Basisplatte 10 verlaufende Endabschnitte der Drahtwicklung 43 jeweils im Drahtführungskanal der Befestigungsvorrichtung 11 bzw. 12 fixiert sind, wobei ihr seitliches Ausrutschen verhindert wird, ist auch die Lage der Ringkerndrossel gegenüber der Basisplatte 10 fixiert.The end portions of the wire winding 43 are guided in the wire guide channel and thereby fixed in the axial direction of the wire guide channel, ie perpendicular to the
Die Befestigungsvorrichtungen 11, 12 dienen jeweils zu einer sicheren Abstandhaltung der Drahtenden 33 der Drahtwicklung 43 von den anderen Drahtwicklungen 41, 42. Dadurch ist es möglich, Drahtwicklungen ohne eine Isolierhülle zu verwenden. Es können mit einem Isolierlack überzogene oder ggf. sogar nicht isolierte Drahtwicklungen benutzt werden.The
Die Befestigungsvorrichtungen 11, 12 können einen beliebigen Querschnitt bzw. den Drahtführungskanal mit einem beliebigen Querschnitt aufweisen. Die Befestigungsvorrichtungen 11, 12 können in einer Variante als Hohlröhre bzw. Hohlzylinder ausgebildet sein. Der Querschnitt des Drahtführungskanals ist vorzugsweise an die Form des Drahtendes 33 angepasst.The
Die Basisplatte 10 und ihre Befestigungsvorrichtungen 11, 12 sind vorzugsweise in einem Stück, d. h. in einem Verfahrensschritt erzeugt. Möglich ist aber auch, die Basisplatte 10 und die Befestigungsvorrichtungen 11, 12 aus einem Material oder aus jeweils verschiedenen Materialien separat zu fertigen und fest, vorzugsweise monolithisch miteinander zu verbinden. Möglich ist auch, zunächst die Basisplatte 10 bereitzustellen und auf dieser in einem späteren Verfahrensschritt die Befestigungsvorrichtungen 11, 12 zu erzeugen.The
- 1010
- Basisplattebaseplate
- 101 - 106101 - 106
- Rasteröffnungenscreen apertures
- 11, 1211, 12
- Befestigungsvorrichtungfastening device
- 111, 112, 121, 122111, 112, 121, 122
- Vorsprüngeprojections
- 111a, 121a111a, 121a
- abgeschrägte Flächenbevelled surfaces
- 113, 123113, 123
- Rastervorrichtungrasterizer
- 22
- Ringkerntoroidal
- 31, 32, 3331, 32, 33
- Enden der DrahtwicklungenEnds of wire windings
- 41, 42, 4341, 42, 43
- Drahtwicklungenwire windings
- 55
- PotentialtrennungsvorrichtungIsolation device
- 5050
- RastflächeRest area
- 501, 502, 503501, 502, 503
- verformbare Stegedeformable webs
- 511, 512, 513511, 512, 513
- Isolierbereicheinsulating regions
- 521, 522, 523521, 522, 523
- StegeStege
- 5555
- Mittelteil der PotentialtrennungsvorrichtungMiddle part of the potential separation device
Claims (14)
- Support device for a toroidal core (2) of a toroidal core inductor,
having a base plate (10) which has projecting, elongate fastening devices (11, 12) and a region for accommodating the toroidal core inductor, which region is arranged between the said fastening devices,
wherein the fastening devices (11, 12) each have at least one latching device (113, 123) which faces the said region for fastening a holding device for the toroidal core, wherein the latching device (113, 123) comprises at least one latching area, and
wherein the fastening devices (11, 12) each have a wire guide channel,
characterized in that
the latching area (113, 123) has a ribbed portion which runs along the axis of the fastening device (11, 12) and is designed such that sliding in the direction of the base plate (10) is possible but sliding in the opposite direction is prevented. - Support device according to Claim 1, wherein the latching device (113, 123) comprises two opposite latching areas (113, 123).
- Support device according to either of Claims 1 and 2, wherein the fastening devices (11, 12) are each in the form of a bar which runs perpendicular to the base plate (10).
- Support device according to one of Claims 1 to 3, in which the fastening devices (11, 12) have elongate projections (111, 112, 121, 122) which laterally delimit the latching areas (113, 123).
- Support device according to Claim 4, wherein the ends of the projections (111, 112, 121, 122), which ends are averted from the base plate (10), are bevelled.
- Support device according to one of Claims 1 to 5, wherein the wire guide channel runs transversely in relation to the base plate (10).
- Support device according to one of Claims 1 to 6, wherein the wire guide channel is formed on that side of the fastening devices (11, 12) which is averted from the inductor region.
- Support device according to Claim 7, wherein the wire guide channel is in the form of a groove.
- Support device according to one of Claims 1 to 8, wherein a toroidal core inductor can be arranged uprightly between the fastening devices (11, 12).
- Support device according to one of Claims 1 to 9, wherein the fastening devices (11, 12) have an H-shaped profile.
- Support device according to one of Claims 1 to 10, wherein at least two wire leadthrough openings (101-106) for receiving ends of a wire winding (41, 42, 43) are provided in the base plate (10).
- Support device according to one of Claims 1 to 11, wherein the wire guide channel of a holding device (11, 12) opens out into one of the wire leadthrough openings (103, 104).
- Holder for an inductive component- having the support device according to one of Claims 1 to 12,- having a holding device (5) which can be inserted into the toroidal core of an inductor and which has latching devices (50),- wherein the latching devices (50, 113) of the holding device (5) and of the support device are formed as mating pieces to one another.
- Inductive component- having a holder according to Claim 13,- having a toroidal core inductor which comprises a toroidal core (2) and a plurality of wire windings (41, 42, 43),- wherein the holding device (5) is inserted into the core hole of the toroidal core inductor and is fixed between the fastening devices (11, 12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005027942A DE102005027942A1 (en) | 2005-06-16 | 2005-06-16 | Holding device, carrier device for a toroidal core choke and inductive component |
EP06753215.0A EP1891647B1 (en) | 2005-06-16 | 2006-05-31 | Mounting device support device for a toroidal core inductance and inductive component |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06753215.0A Division-Into EP1891647B1 (en) | 2005-06-16 | 2006-05-31 | Mounting device support device for a toroidal core inductance and inductive component |
EP06753215.0A Division EP1891647B1 (en) | 2005-06-16 | 2006-05-31 | Mounting device support device for a toroidal core inductance and inductive component |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2996120A1 EP2996120A1 (en) | 2016-03-16 |
EP2996120B1 true EP2996120B1 (en) | 2017-06-28 |
Family
ID=36782554
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06753215.0A Active EP1891647B1 (en) | 2005-06-16 | 2006-05-31 | Mounting device support device for a toroidal core inductance and inductive component |
EP15188963.1A Active EP2996120B1 (en) | 2005-06-16 | 2006-05-31 | Support device for a ring core choke and inductive component |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06753215.0A Active EP1891647B1 (en) | 2005-06-16 | 2006-05-31 | Mounting device support device for a toroidal core inductance and inductive component |
Country Status (6)
Country | Link |
---|---|
US (1) | US7479865B2 (en) |
EP (2) | EP1891647B1 (en) |
JP (1) | JP4886776B2 (en) |
CN (1) | CN101199031B (en) |
DE (1) | DE102005027942A1 (en) |
WO (1) | WO2006133671A1 (en) |
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US8519813B2 (en) * | 2004-06-17 | 2013-08-27 | Grant A. MacLennan | Liquid cooled inductor apparatus and method of use thereof |
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US8373530B2 (en) | 2004-06-17 | 2013-02-12 | Grant A. MacLennan | Power converter method and apparatus |
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US8624696B2 (en) * | 2004-06-17 | 2014-01-07 | Grant A. MacLennan | Inductor apparatus and method of manufacture thereof |
DE102004039230A1 (en) * | 2004-08-12 | 2006-02-23 | Epcos Ag | Inductive component for high currents and method for its production |
DE102005006344A1 (en) * | 2005-02-11 | 2006-08-17 | Epcos Ag | Insulating part and toroidal core choke |
DE102005010342A1 (en) * | 2005-03-07 | 2006-09-14 | Epcos Ag | Inductive component |
US8947187B2 (en) | 2005-06-17 | 2015-02-03 | Grant A. MacLennan | Inductor apparatus and method of manufacture thereof |
US8125777B1 (en) | 2008-07-03 | 2012-02-28 | Ctm Magnetics, Inc. | Methods and apparatus for electrical components |
US8816808B2 (en) | 2007-08-22 | 2014-08-26 | Grant A. MacLennan | Method and apparatus for cooling an annular inductor |
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-
2005
- 2005-06-16 DE DE102005027942A patent/DE102005027942A1/en not_active Ceased
-
2006
- 2006-05-31 CN CN2006800214555A patent/CN101199031B/en active Active
- 2006-05-31 EP EP06753215.0A patent/EP1891647B1/en active Active
- 2006-05-31 EP EP15188963.1A patent/EP2996120B1/en active Active
- 2006-05-31 JP JP2008516117A patent/JP4886776B2/en active Active
- 2006-05-31 WO PCT/DE2006/000933 patent/WO2006133671A1/en active Application Filing
-
2007
- 2007-12-14 US US11/957,185 patent/US7479865B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2006133671A1 (en) | 2006-12-21 |
US20080117009A1 (en) | 2008-05-22 |
DE102005027942A1 (en) | 2006-12-28 |
JP4886776B2 (en) | 2012-02-29 |
CN101199031B (en) | 2010-12-08 |
US7479865B2 (en) | 2009-01-20 |
EP1891647B1 (en) | 2016-07-06 |
EP1891647A1 (en) | 2008-02-27 |
CN101199031A (en) | 2008-06-11 |
EP2996120A1 (en) | 2016-03-16 |
JP2008544503A (en) | 2008-12-04 |
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