EP1891648A1 - Support device for a toroidal core inductance mounting for an inductive component and inductive component - Google Patents

Support device for a toroidal core inductance mounting for an inductive component and inductive component

Info

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
Application number
EP06722778A
Other languages
German (de)
French (fr)
Other versions
EP1891648B1 (en
Inventor
Günter FEIST
Jürgen STABENOW
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Electronics AG
Original Assignee
Epcos AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Epcos AG filed Critical Epcos AG
Publication of EP1891648A1 publication Critical patent/EP1891648A1/en
Application granted granted Critical
Publication of EP1891648B1 publication Critical patent/EP1891648B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

A carrier device for a toroidal-core choke includes a base plate, which has projecting wire-guiding devices. A holder for an inductive component includes the carrier device and an electrical isolation device. The holder can be part of an inductive component.

Description

Beschreibungdescription
Trägervorrichtung für eine Ringkerndrossel, Halterung für ein induktives Bauelement und induktives BauelementCarrier device for a toroidal core choke, holder for an inductive component and inductive component
Es wird eine Trägervorrichtung für eine Ringkerndrossel sowie eine Halterung mit der Trägervorrichtung beschrieben. Ferner wird ein induktives Bauelement mit der Halterung angegeben.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.
Ein Isolierteil ist z. B. aus der Druckschrift DE 10223995 Cl bekannt. Das Isolierteil umfasst den Ringkern einer Ringkerndrossel und weist Vorsprünge zum Fixieren von Drahtwicklungen sowie zum Einhalten eines Rastermaßes auf. Das Isolierteil weist im Mittelbereich Stege auf, die für die Potentialtrennung sorgen .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.
Ein weiteres Isolierteil ist z. B. aus der Druckschrift DE 10308010 Al bekannt. Das Isolierteil weist radial nach außen verlaufende Stege auf, die durch den Druck in radialer Richtung elastisch verformbar sind.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.
Eine zu lösende Aufgabe besteht darin, eine Halterung für eine Ringkerndrossel mit mehreren voneinander zu isolierenden Wicklungen anzugeben.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.
Es wird eine Trägervorrichtung für eine Ringkerndrossel angegeben. Die Trägervorrichtung umfasst eine Basisplatte, die hervorstehende, langgestreckte Drahtführungsvorrichtungen aufweist .A carrier device for a toroidal core choke is specified. The support device comprises a base plate having protruding, elongated wire guide devices.
Im Folgenden werden bevorzugte Ausgestaltungen der angegebenen Trägervorrichtung erläutert . Die Drahtführungsvorrichtungen erstrecken sich zur Seite der Basisplatte, die zur Aufnahme einer Ringkerndrossel vorgesehen ist .In the following, preferred embodiments of the specified carrier device will be explained. The wire guide devices extend to the side of the base plate, which is intended to receive a toroidal core choke.
Die Höhe einer Drahtführungsvorrichtung ist so gewählt, dass ein darin geführter Draht, der einer Drahtwicklung zugeordnet ist, gegenüber mindestens einer anderen Wicklung derselben Ringkerndrossel beabstandet ist . Die Höhe einer Drahtführungsvorrichtung kann beispielsweise so gewählt sein, dass sie zumindest bis zum Kernlochansatz oder zumindest bis zur Kernlochmitte reicht. Die Höhe einer Drahtführungsvorrichtung kann in einer Variante sogar über die Kernlochmitte hinaus gehen.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.
Die Höhe einer Drahtführungsvorrichtung ist vorzugsweise wesentlich größer als ihr Außenquermaß und/oder das Quermaß eines darin zu führenden Drahtes und/oder die Dicke der Basis- platte .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.
Die Höhe einer Drahtführungsvorrichtung übersteigt das Quermaß eines darin zu führenden Drahtes vorzugsweise um mindestens Faktor zwei, in einer Variante um mindestens Faktor drei .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.
Die Höhe einer Drahtführungsvorrichtung übersteigt in einer vorteilhaften Variante ihr Außenquermaß oder die Dicke der Basisplatte um mindestens Faktor zwei, vorzugsweise um mindestens Faktor drei .In an advantageous variant, 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.
Eine Drahtführungsvorrichtung enthält vorzugsweise mindestens einen Drahtführungskanal, der in einer Variante als eine langgestreckte Rille und in einer weiteren Variante als eine langgestreckte, durchgehende Öffnung ausgebildet ist. In einer bevorzugten Ausführungsform ist zwischen den Draht- führungsvorrichtungen ein Drosselbereich zur Anordnung einer Ringkerndrossel vorgesehen.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. In a preferred embodiment, a throttle region for arranging a toroidal core choke is provided between the wire guide devices.
Die Ringkerndrossel ist zwischen den Drahtführungsvorrichtungen stehend anordenbar . Dabei sind die Stirnflächen der Ringkerndrossel zu den Drahtführungsvorrichtungen gewandt und quer zur Basisplatte angeordnet.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.
Eine Drahtführungsvorrichtung kann ein geschlossenes Profil, ein U-Profil oder ein H-Profil aufweisen. Eine Drahtführungs- Vorrichtung kann z. B. als ein Hohlrohr bzw. Hohlzylinder o- der als ein einseitig offenes Halbrohr ausgebildet sein. Im Prinzip kommen beliebige Querschnitte der Drahtführungsvor- richtung in Betracht .A wire guide device may have a closed profile, a U-profile or an H-profile. A Drahtführungs- 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.
In der Basisplatte können Drahtdurchführungsöffnungen ausgebildet sein, wobei ein Paar dieser Öffnungen zur Einhaltung des Rastermasses einer Drahtwicklung der Ringkerndrossel dient .In the base plate 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.
Die Basisplatte kann in einer Längsrichtung in Randbereiche und mindestens einen zwischen diesen angeordneten Mittelbereich aufgeteilt sein, wobei zwei Drahtführungsvorrichtungen im mindestens einen Mittelbereich angeordnet sind und einander gegenüber liegen.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.
Vorzugsweise sind in jedem Bereich der Basisplatte zwei Drahtdurchführungsöffnungen für jeweils eine Drahtwicklung vorgesehen. Die zwei Drahtdurchführungsöffnungen eines Bereichs sind vorzugsweise entlang einer Querrichtung angeordnet . Ein Drahtführungskanal verläuft quer zur Basisplatte und mündet in eine Drahtdurchführungsöffnung.Preferably, 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.
In einer vorteilhaften Variante weist eine Drahtführungsvorrichtung auf ihrer dem Drosselbereich zugewandten Seite Vorsprünge bzw. Schienen oder Führungen auf, die sich entlang der Hauptachse der DrahtführungsVorrichtungen erstrecken. Die von der Basisplatte abgewandten Enden der Vorsprünge sind vorzugsweise abgeschrägt .In an advantageous variant, 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.
Eine Drahtführungsvorrichtung weist in einer Variante eine zum Drosselbereich gewandte Rastvorrichtung auf, die vorzugsweise durch die Vorsprünge beidseitig begrenzt ist. Die Rastvorrichtung weist beispielsweise eine Rippung oder zur Verzahnung geeignete Rastelemente auf .In a variant, 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.
Die angegebene Trägervorrichtung ist in einer für ein induktives Bauelement vorgesehenen Halterung einsetzbar, die ferner eine im Kernloch einer Ringkerndrossel einsetzbare Halte- Vorrichtung umfasst. Diese Haltevorrichtung kann z. B. mittels ihrer vorzugsweise stirnseitig angeordneten Rastvorrichtung an einer Rastvorrichtung der Drahtführungsvorrichtungen fixierbar sein. Die Rastvorrichtungen der Haltevorrichtung sind dabei vorzugsweise als Gegenstück zu den Rastvorrichtungen der Drahtführungsvorrichtungen ausgebildet . Unter einem Gegenstück ist insbesondere ein formschlüssig zum Original ausgebildetes Passteil zu verstehen.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.
Ein die Rastvorrichtungen tragender Teil der Haltevorrichtung ist in axialer Richtung gegenüber dem Ringkern vorzugsweise beidseitig überstehend ausgebildet. Die Haltevorrichtung ist im Kernloch vorzugsweise durch elastische Kräfte fixierbar. Die Haltevorrichtung ist vorzugsweise aus einem elektrisch isolierenden Material. Sie kann z. B. eine Potentialtrennungsvorrichtung sein, die in einer Variante sternförmig ausgebildet ist .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.
Die beschriebene Halterung ist insbesondere für ein induktives Bauelement mit einer Ringkerndrossel geeignet. Die Ringkerndrossel umfasst einen Ringkern und mehrere um den Kern gewickelte Drahtwicklungen, deren Enden durch die Drahtdurchführungsöffnungen der Basisplatte hindurch geführt sind. Die vorzugsweise als Potentialtrennungsvorrichtung vorgesehene Haltevorrichtung ist in das Kernloch des Ringkerns eingesetzt und zwischen den Drahtführungsvorrichtungen fixiert, wobei Enden einer der Drahtwicklungen in den Drahtführungskanälen der Drahtführungsvorrichtungen geführt sind.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.
Im Folgenden wird die Trägervorrichtung, die Halterung für ein induktives Bauelement und ein induktives Bauelement anhand schematischer und nicht maßstabsgetreuer Figuren erläutert. Es zeigen:In the following, the carrier device, the holder for an inductive component and an inductive component will be explained with reference to schematic and not to scale figures. Show it:
Figur 1 eine beispielhafte Trägervorrichtung für eine Ringkerndrossel in einer perspektivischen Ansicht;1 shows an exemplary carrier device for a toroidal core choke in a perspective view;
Figur 2 die Trägervorrichtung gemäß Figur 1 in einer Draufsicht von oben;FIG. 2 shows the carrier device according to FIG. 1 in a plan view from above;
Figur 3 ein induktives Bauelement mit einer Ringkerndrossel, der Trägervorrichtung für die Ringkerndrossel gemäß Figur 1 und einer in das Kernloch eingesetzten Potentialtrennungsvorrichtung; Figur 4 eine weitere Trägervorrichtung in einem Querschnitt parallel zur Längsrichtung der Basisplatte;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;
Figur 5 eine Seitenansicht auf die Trägervorrichtung gemäß Figuren 4 , 8 ;Figure 5 is a side view of the carrier device according to Figures 4, 8;
Figur 6 die Trägervorrichtung gemäß Figuren 4 , 8 in einer Draufsicht von oben;FIG. 6 shows the carrier device according to FIGS. 4, 8 in a plan view from above;
Figur 7 die Trägervorrichtung gemäß Figuren 1 und 8 in einem Querschnitt quer zur Längsrichtung der Basisplatte;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;
Figur 8 in einer perspektivischen Ansicht eine Halteanordnung für ein induktives Bauelement: die Trägervorrichtung gemäß Figuren 4, 8 (unten) und eine als Gegenstück zu dieser ausgebildete Potentialtrennungsvorrichtung (oben) ;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;
Figur 9 die Halteanordnung gemäß Figur 8 in einer Teilquer- schnittsansicht vor dem Einsetzen der Potentialtrennungsvor- richtung in die Trägervorrichtung;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;
Figur 10 die Halteanordnung gemäß Figuren 8, 9 nach dem Einsetzen der Potentialtrennungsvorrichtung in die Trägervorrichtung.FIG. 10 shows the holding arrangement according to FIGS. 8, 9 after insertion of the potential separation device into the carrier device.
Figuren 1, 2 und 7 zeigen verschiedene Ansichten einer Trägervorrichtung, die als Träger für einen Spulenkörper bzw. eine Ringkerndrossel dient. Ein gesamtes induktives Bauelement mit dieser Trägervorrichtung ist in Figur 3 gezeigt. In Figur 7 ist ein Querschnitt der Trägervorrichtung im Bereich von Drahtdurchführungsöffnungen 105 und 106 gezeigt. Die Trägervorrichtung umfasst eine Basisplatte 10, die in eine Richtung (nach oben) hervorstehende Drahtführungsvorrichtungen 11, 12 aufweist. Die Drahtführungsvorrichtungen 11, 12 sind stangenartige Gebilde mit jeweils einem vom Drosselbereich abgewandten Drahtführungskana1. Die Drahtführungsvor- richtungen 11, 12 sind hier mit einem U-Profil ausgebildet.Figures 1, 2 and 7 show various views of a carrier device serving as a carrier for a bobbin or a toroidal core choke. An entire inductive component with this carrier device is shown in FIG. 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 Drahtführungsvor- directions 11, 12 are formed here with a U-profile.
Die Trägervorrichtung ist vorzugsweise aus einem elektrisch isolierenden Material gefertigt. Insbesondere kommen für einen Spritzguss geeignete Kunststoffe in Betracht.The carrier device is preferably made of an electrically insulating material. In particular, plastics suitable for injection molding are suitable.
Die Basisplatte 10 und die Drahtführungsvorrichtungen 11, 12 sind vorzugsweise in einem Stück, d. h. in einem Verfahrensschritt erzeugt. Möglich ist aber auch, die Basisplatte 10 und die Drahtführungsvorrichtungen 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 Drahtführungsvorrichtungen 11, 12 zu erzeugen.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.
Die in Figur 3 zu sehende Ringkerndrossel umfasst einen Ringkern 2 und drei auf diesen Kern aufgewickelten Drahtwicklungen 41, 42, 43, die jeweils auf einem eigenen elektrischen Potential liegen.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.
Die Drahtführungsvorrichtungen 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. Die Basisplatte 10 ist in einer Längsrichtung x in zwei Randbereiche und einen Mittelbereich aufgeteilt . Die Drahtfüh- rungsvorrichtungen 11, 12 sind im Mittelbereich der Basisplatte 10 angeordnet. Die Drahtführungsvorrichtungen 11, 12 stehen quer zur Längsrichtung x der Basisplatte 10 einander gegenüber. Zwischen den Drahtführungsvorrichtungen 11, 12 ist ein Drosselbereich zur Aufnahme einer Ringkerndrossel vorgesehen.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.
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 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. Analogously serve the openings 103 and 104 for Conduction of ends 33 of the wire winding 43 and the openings 105 and 106 for the passage of ends 31 of the wire winding 41st
Die Drahtführungskanäle der Drahtführungsvorriehtungen 11 und 12 münden in die Öffnungen 103 bzw. 104.The wire guide channels of the Drahtführungsvorriehtungen 11 and 12 open into the openings 103 and 104, respectively.
Die Trägervorrichtung ist vorzugsweise bezogen auf eine durch ihre Mitte, parallel zu der Richtung x bzw. y verlaufende Achse symmetrisch ausgebildet.The carrier device is preferably formed symmetrically with respect to an axis extending through its center, parallel to the direction x or y.
Die Öffnungen 101 bis 106 sind vorzugsweise wie in Fig. 7 gezeigte Öffnungen 105, 106 ausgebildet, wobei sie einen Abschnitt mit senkrecht zur Hauptfläche der Basisplatte 10 verlaufenden Innenwänden sowie einen weiteren Abschnitt aufweisen, der im Querschnitt zur Oberseite der Basisplatte hin eine Verbreiterung aufweist. Der letztere Abschnitt erleichtert das Einführen der Drahtenden 31, 32, 33 in die jeweilige Öffnung. Der Querschnitt und der Quermaß des ersteren Abschnitts der jeweiligen Öffnung ist vorzugsweise an den Querschnitt bzw. den Außenmaß des Drahtendes 31, 32, 33 angepasst.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.
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 vorgesehen.On the underside of the base plate 10 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.
Endabschnitte der Drahtwicklung 43 sind durch die Wände der Drahtführungsvorrichtungen 11, 12 fixiert. Vorzugsweise sind diese Endschnitte im jeweiligen Drahtführungskanal versenkt, so dass der Drahtabschnitt im Querschnitt auf der offenen Seite der Drahtführungsvorrichtungen 11, 12 über diese Vorrichtungen hinaus nicht übersteht .End portions of the wire winding 43 are fixed by the walls of the wire guide devices 11, 12. Preferably, 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.
Die Drahtführungsvorrichtungen 11, 12 weisen jeweils eine Fläche IIa bzw. 12a auf, die zur Oberseite dieser Vorrichtungen gewandt ist und schräg zu ihrer Mantelfläche und ihrer Oberseite verläuft. Diese Schräge erleichtert das Einführen eines Ringkerns zwischen den Drahtführungsvorrichtungen 11, 12.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.
In Figur 3 ist ein induktives Bauelement mit einer bereits erläuterten Trägervorrichtung und einer als Gegenstück zu dieser ausgebildeten Potentialtrennungsvorrichtung 5 gezeigt.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.
Die Endabschnitte der Drahtwicklung 43 sind jeweils in Axialrichtung des Drahtführungskanals, also quer zur Basisplatte 10 fixiert. Dadurch, dass quer zur Basisplatte 10 verlaufende Endabschnitte der Drahtwicklung 43 jeweils im Drahtführungs- kanal der Drahtführungsvorrichtung 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 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.
Die auch in Fig. 8 gezeigte Potentialtrennungsvorrichtung 5 ist in das Kernloch des Ringkerns 2 eingesetzt. Sie weist ein Mittelteil 55 sowie drei von diesem ausgehende, sternförmig verlaufende, in dieser Variante elastisch verformbare Stege 501 bis 503 auf, an dessen von der Mitte abgewandten Enden Isolierbereiche 511, 512, 513 vorgesehen sind.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.
Die Stege einer Potentialtrennungsvorrichtung können in einer weiteren Variante formfest sein und an ihren zum Ringkern gewandten Enden elastisch verformbare, vorzugsweise spreizbare Vorrichtungen aufweisen.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.
In Figuren 4 bis 6 ist eine weitere vorteilhafte Ausführungs- form einer Trägervorrichtung für eine Ringkerndrossel in verschiedenen Ansichten gezeigt. In Figuren 8 bis 10 sind verschiedene Ansichten einer Halterung gezeigt, welche diese Trägervorrichtung und eine in ein Kernloch einsetzbare Potentialtrennungsvorrichtung 5 umfasst. Die Trägervorrichtung gemäß der zweiten Ausführungsform ist bis auf die unten erläuterten und aus den Figuren ersichtlichen Unterschiede vorzugsweise im Wesentlichen wie die Trägervorrichtung gemäß der ersten Ausführungsform ausgebildet .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.
Die Drahtführungsvorrichtungen 11 und 12 sind Spiegelsymmetrisch ausgebildet. Ihre Ausgestaltung wird anhand der Draht - führungsvorrichtung 11 erläutert. Figur 4 zeigt eine Teilquerschnittsansicht der Trägervorrichtung gemäß der zweiten Ausführungsform mit einer Ansicht auf die Drahtführungsvorrichtung 11 von innen.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.
Die Drahtführungsvorrichtung 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 Drahtführungsvorrichtung 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 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.
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 Draht- führungsvorrichtung 11 dar. Diese Schienen verlaufen parallel zur Achse der Drahtführungsvorrichtung .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.
Die Schienen 111 und 112 sind zur Oberseite der Drahtführungsvorrichtung hin derart abgeschrägt, dass die Einführung einer Potentialtrennvorrichtung 5 erleichtert ist.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.
Der zur Drahtführungsvorrichtung 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 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.
Eine Seitenansicht der Trägervorrichtung gemäß Figur 4 ist in Figur 5 gezeigt. Dabei ist die Außenseite der Drahtführungs- Vorrichtung 11 zu sehen. Der Schnitt AA der Trägervorrichtung gemäß Fig. 4 bis 6 ist in Figur 7 gezeigt . Der Schnitt BB dieser Trägervorrichtung ist in Fig. 9 und 10 zu sehen.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.
In der Figur 6 ist gezeigt, dass die Drahtführungsvorrichtun- gen 11, 12 jeweils im Wesentlichen ein H-Profil aufweisen.FIG. 6 shows that the wire guide devices 11, 12 each have essentially an H-profile.
Figur 8 zeigt eine Halterung für ein induktives Bauelement mit einer Potentialtrennungsvorrichtung 5 (oben) und einer in Zusammenhang mit den Figuren 4 bis 6 bereits erläuterten Trägervorrichtung (unten) .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).
Die Potentialtrennungsvorrichtung 5 wird im Kernloch des Ringkerns 2 eingesetzt und vorzugsweise z. B. mittels elastischer Kräfte in diesem fixiert. Mit einem Blockpfeil ist angedeutet, dass die Potentialtrennungsvorrichtung 5 - vorzugsweise nach dem Einsetzen in das Kernloch eines Ringkernes - zwischen den Drahtführungsvorrichtungen 11 und 12 eingeschoben und zwischen diesen mittels Rastvorrichtungen 50, 113 in vertikaler Richtung sowie mittels Vorsprünge der Drahtführungsvorrichtungen in Längsrichtung fixiert wird.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.
Figur 9 zeigt die in Figur 8 gezeigte Halterung in einer weiteren Ansicht .FIG. 9 shows the holder shown in FIG. 8 in a further view.
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 Iso- lierbereich 511 zu beiden Seiten des Kerns hinausragt und somit zur Fixierung der Anordnung aus der Potentialtrennungs- vorrichtung 5 und dem Kern 2 geeignet ist .On both end sides of the rigid insulating region 511, latching devices 50 designed as ribs are formed. 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. Preferably, 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 Lierbereich 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.
In Figur 9 ist jeweils nur ein Vorsprung 111 bzw. 121 der Drahtführungsvorrichtung 11 bzw. 12 sichtbar. Ein oberes Ende des Vorsprungs 111, 121 weist eine abgeschrägte Fläche lila bzw. 121a auf. Dabei sind abgeschrägte Flächen der Vorsprünge, die derselben Drahtführungsvorrichtung zugeordnet sind, zueinander gewandt .In 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. In this case, beveled surfaces of the projections, which are assigned to the same wire guide device, facing each other.
In Figur 10 ist die Halterung gemäß Figuren 8 und 9 nach dem Einrasten der Potentialtrennungsvorrichtung 5 zwischen Drahtführungsvorrichtungen 11 und 12 gezeigt . Die Rastvorrichtungen einer Drahtführungsvorrichtung und der Potentialtrennungsvorrichtung sind formschlüssig aneinander angepasst . Die Rastvorrichtungen 50, 113, 123 sind als Rastgesperre ausgebildet, wobei die Bewegung der Potentialtrennungsvorrichtung 5 nach oben durch die Vorzugsrichtung der Zahnung verhindert wird.In 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.
Die Drahtführungsvorrichtungen 11, 12 können einen beliebigen Querschnitt bzw. den Drahtführungskanal mit einem beliebigen Querschnitt aufweisen. Die Drahtführungsvorrichtungen 11, 12 können in einer Variante als Hohlröhre bzw. HohlZylinder ausgebildet sein. Der Querschnitt des Drahtführungskanals ist vorzugsweise an die Form des Drahtes 31 bis 33 angepasst.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.
Die Form der Basisplatte kann beliebig gewählt sein, obwohl eine rechteckige oder quadratische Ausführung bevorzugt ist.The shape of the base plate may be arbitrary, although a rectangular or square design is preferable.
Die Anzahl der Drahtwicklungen kann von drei abweichen. Die Anzahl der Drahtdurchführungsöffnungen ist vorzugsweise an die Anzahl der Drahtwicklungen angepasst. Bei einer Anzahl N > 3 Drahtwicklungen sind vorzugsweise N-2 Mittelbereiche der Basisplatte 10 vorgesehen, wobei jedem dieser Mittelbereiche ein Paar einander gegenüber liegenden Drahtführungsvorrich- tungen zugeordnet ist . The number of wire windings may differ from three. The number of wire feedthrough openings is preferably on adapted the number of wire windings. With a number of N> 3 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.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
10 Basisplatte10 base plate
101 - 106 Rasteröffnungen101 - 106 grid openings
II, 12 DrahtführungsvorrichtungII, 12 wire guide device
III, 112, 121 Schienen 113, 123 Rastvorrichtung 2 RingkernIII, 112, 121 rails 113, 123 locking device 2 toroidal core
31, 32, 33 Enden der Drahtwicklungen31, 32, 33 Ends of wire windings
41, 42, 43 Drahtwicklungen41, 42, 43 Wire windings
5 Potentialtrennungsvorrichtung5 potential separation device
50 Rastfläche50 locking surface
501, 502, 503 verformbare Stege501, 502, 503 deformable webs
511, 512, 513 Isolierbereiche511, 512, 513 isolation areas
55 Mittelteil der Potentialtrennungsvorrichtung55 middle part of the potential separation device
60 Distanzfüße 60 distance feet

Claims

Patentansprüche claims
1. Trägervorrichtung für eine Ringkerndrossel, mit einer Basisplatte (10) , die hervorstehende, langgestreckte Drahtführungsvorrichtungen (11, 12) aufweist.A carrier apparatus for a toroidal core choke, comprising a base plate (10) having protruding, elongated wire guide devices (11, 12).
2. Trägervorrichtung nach Anspruch 1, wobei sich die Drahtführungsvorrichtungen (11, 12) zu der Seite der Basisplatte (10) erstrecken, die zur Aufnahme einer Ringkerndrossel vorgesehen ist.2. A carrier device according to claim 1, wherein the wire guide devices (11, 12) extend to the side of the base plate (10), which is provided for receiving a toroidal core choke.
3. Trägervorrichtung nach Anspruch 1 oder 2 , wobei die Höhe der Drahtführungsvorrichtungen (11, 12) das Quermaß eines darin zu führenden Drahtes um mindestens den Faktor zwei übersteigt .3. A carrier device according to claim 1 or 2, wherein the height of the wire guide devices (11, 12) exceeds the transverse dimension of a wire to be guided therein by at least a factor of two.
4. Trägervorrichtung nach Anspruch 1 oder 2 , wobei die Höhe der Drahtführungsvorrichtungen (11, 12) ihr Außenquermaß um mindestens den Faktor zwei übersteigt .4. Carrier device according to claim 1 or 2, wherein the height of the wire guide devices (11, 12) exceeds their outer transverse dimension by at least a factor of two.
5. Trägervorrichtung nach Anspruch 1 oder 2 , wobei die Höhe der Drahtführungsvorrichtungen (11, 12) die Dicke der Basisplatte (10) um mindestens den Faktor zwei ü- bersteigt .5. Carrier device according to claim 1 or 2, wherein the height of the wire guide devices (11, 12) exceeds the thickness of the base plate (10) by at least a factor of two times.
6. Trägervorrichtung nach einem der Ansprüche 1 bis 5, wobei die Drahtführungsvorrichtungen (11, 12) jeweils mindestens einen Drahtführungskanal enthalten.6. Carrier device according to one of claims 1 to 5, wherein the wire guide devices (11, 12) each comprise at least one wire guide channel.
7. Trägervorrichtung nach einem der Ansprüche 1 bis 6, wobei auf der Basisplatte (10) zwischen den Drahtführungsvorrichtungen (11, 12) ein Drosselbereich zur Anordnung einer Ringkerndrossel vorgesehen ist. 7. Carrier device according to one of claims 1 to 6, wherein on the base plate (10) between the wire guide devices (11, 12), a throttle region is provided for the arrangement of a toroidal core choke.
8. Trägervorrichtung nach Anspruch 7 , wobei die Ringkerndrossel zwischen den Drahtführungsvorrichtungen (11, 12) stehend anordenbar ist.8. Carrier device according to claim 7, wherein the toroidal core choke between the wire guide devices (11, 12) can be arranged standing.
9. Trägervorrichtung nach einem der Ansprüche 1 bis 8, wobei die Drahtführungsvorrichtungen (11, 12) ein U-Profil aufweisen.9. Carrier device according to one of claims 1 to 8, wherein the wire guide devices (11, 12) have a U-profile.
10. Trägervorrichtung nach einem der Ansprüche 1 bis 8, wobei die Drahtführungsvorrichtungen (11, 12) jeweils als ein Hohlrohr ausgebildet sind.10. Carrier device according to one of claims 1 to 8, wherein the wire guide devices (11, 12) are each formed as a hollow tube.
11. Trägervorrichtung nach einem der Ansprüche 1 bis 10, wobei in der Basisplatte (10) Drahtdurchführungsöffnungen11. Carrier device according to one of claims 1 to 10, wherein in the base plate (10) wire feedthrough openings
(101 - 106) ausgebildet sind.(101 - 106) are formed.
12. Trägervorrichtung nach einem der Ansprüche 1 bis 11, wobei die Basisplatte (10) in einer Längsrichtung in Randbereiche und mindestens einen zwischen diesen angeordneten Mittelbereich aufgeteilt ist, wobei Drahtführungsvorrichtungen (11, 12) im mindestens einen Mittelbereich angeordnet sind.12. Carrier device according to one of claims 1 to 11, wherein the base plate (10) is divided in a longitudinal direction into edge regions and at least one arranged between these central region, wherein wire guide devices (11, 12) are arranged in at least one central region.
13. Trägervorrichtung nach Anspruch 12, wobei in jedem Bereich der Basisplatte (10) zwei Drahtdurch- führungsδffnungen (101 - 106) für jeweils eine Drahtwicklung (41, 42, 43) vorgesehen sind.13. Carrier device according to claim 12, wherein in each area of the base plate (10) two wire feed-through openings (101 - 106) are provided for each one wire winding (41, 42, 43).
14. Trägervorrichtung nach Anspruch 12 oder 13 , wobei die zwei Drahtdurchführungsöffnungen (101 - 106) eines Bereichs entlang einer Querrichtung angeordnet sind. The carrier device according to claim 12 or 13, wherein the two wire feedthrough openings (101-106) of a region are arranged along a transverse direction.
15. Trägervorrichtung nach einem der Ansprüche 12 bis 14, wobei die Drahtführungskanäle quer zur Basisplatte (10) verlaufen und in die Drahtdurchführungsöffnungen (103, 104) münden.15. Carrier device according to one of claims 12 to 14, wherein the wire guide channels extend transversely to the base plate (10) and in the wire feedthrough openings (103, 104) open.
16. Trägervorrichtung nach einem der Ansprüche 7 bis 15, wobei eine Drahtführungsvorrichtung (11, 12) auf ihrer dem Drosselbereich zugewandten Seite Vorsprünge (111, 112) aufweist, die entlang der Hauptachse der Drahtführungsvorrich- tungen (11, 12) verlaufen.16. Carrier device according to one of claims 7 to 15, wherein a wire guide device (11, 12) on its side facing the throttle area projections (111, 112) which along the main axis of the Drahtführungsvorrich- lines (11, 12) extend.
17. Trägervorriehtung nach Anspruch 16, wobei ein von der Basisplatte (10) abgewandtes Ende eines Vorsprungs (111, 112) abgeschrägt ist.17. Trägerervorriehtung according to claim 16, wherein one of the base plate (10) facing away from the end of a projection (111, 112) is chamfered.
18. Trägervorrichtung nach einem der Ansprüche 7 bis 17, wobei eine Drahtführungsvorrichtung (11, 12) eine zum Drosselbereich gewandte Rastvorrichtung (113) aufweist.18. Carrier device according to one of claims 7 to 17, wherein a wire guide device (11, 12) has a throttle region facing the locking device (113).
19. Trägervorrichtung nach Anspruch 18, wobei eine Rastvorrichtung (113) der jeweiligen Drahtfüh- rungsvorrichtung (11, 12) durch die Vorsprünge (111, 112) seitlich begrenzt ist.19. Carrier device according to claim 18, wherein a latching device (113) of the respective wire guide device (11, 12) is laterally delimited by the projections (111, 112).
20. Trägervorrichtung nach Anspruch 19, wobei eine Rastvorrichtung (113) eine Rippung aufweist.20. Carrier device according to claim 19, wherein a latching device (113) has a ribbing.
21. Trägervorrichtung nach einem der Ansprüche 1 bis 20, wobei die Basisplatte (10) auf ihrer Unterseite Distanzfüße aufweist .21. Carrier device according to one of claims 1 to 20, wherein the base plate (10) has spacer feet on its underside.
22. Halterung für ein induktives Bauelement,22. holder for an inductive component,
- mit der Trägervorrichtung nach einem der Ansprüche 1 bis 21,with the support device according to one of claims 1 to 21,
- mit einer im Kernloch einer Ringkerndrossel einsetzbaren Potentialtrennungsvorrichtung (5) , die an einer Rastvorrich- tung (113, 123) der Drahtführungsvorrichtungen (11, 12) fixierbar ist .- With an insertable in the core hole of a toroidal core choke potential separation device (5) which at a Rastvorrich- tion (113, 123) of the wire guide devices (11, 12) is fixable.
23. Halterung nach Anspruch 22, wobei die Potentialtrennungsvorrichtung (5) stirnseitig Rastvorrichtungen (50) aufweist, die auf Rastvorrichtungen (113, 123) der Drahtführungsvorrichtungen (11, 12) fixierbar sind.23. Holder according to claim 22, wherein the potential separation device (5) has front side latching devices (50) which can be fixed on latching devices (113, 123) of the wire guide devices (11, 12).
24. Halterung nach Anspruch 23, wobei die Rastvorrichtungen (50) der Potentialtrennungsvorrichtung (5) als Gegenstück zu den Rastvorrichtungen (113, 123) der Drahtführungsvorrichtungen (11, 12) ausgebildet sind.24. Holder according to claim 23, wherein the latching devices (50) of the potential separation device (5) as a counterpart to the latching devices (113, 123) of the wire guide devices (11, 12) are formed.
25. Induktives Bauelement,25. Inductive component,
- mit einer Halterung nach einem der Ansprüche 21 bis 24,- with a holder according to one of claims 21 to 24,
- mit einem Ringkern (2) und mehreren Drahtwicklungen (41, 42, 43), deren Enden (31, 32, 33) durch die Drahtdurchführungsöffnungen (101 - 106) der Basisplatte (10) hindurch geführt sind,- having a toroidal core (2) and a plurality of wire windings (41, 42, 43) whose ends (31, 32, 33) through the wire feedthrough openings (101 - 106) are guided through the base plate (10),
- wobei die Potentialtrennungsvorrichtung (5) im Kernloch des Ringkerns (2) eingesetzt und an den Drahtführungsvorrichtungen (11, 12) fixiert ist,- wherein the potential separation device (5) in the core hole of the toroidal core (2) used and fixed to the wire guide devices (11, 12),
- wobei Enden (33) einer der Drahtwicklungen (41, 42, 43) in den Drahtführungsvorrichtungen (11, 12) geführt sind. - Wherein ends (33) of one of the wire windings (41, 42, 43) in the wire guide devices (11, 12) are guided.
EP06722778A 2005-06-16 2006-04-11 Support device for a toroidal core inductance and inductive component Active EP1891648B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005027943A DE102005027943A1 (en) 2005-06-16 2005-06-16 Carrier device for a toroidal core choke, holder for an inductive component and inductive component
PCT/DE2006/000641 WO2006133663A1 (en) 2005-06-16 2006-04-11 Support device for a toroidal core inductance mounting for an inductive component and inductive component

Publications (2)

Publication Number Publication Date
EP1891648A1 true EP1891648A1 (en) 2008-02-27
EP1891648B1 EP1891648B1 (en) 2010-08-04

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US (1) US7880579B2 (en)
EP (1) EP1891648B1 (en)
JP (1) JP5065261B2 (en)
CN (1) CN101199032B (en)
AT (1) ATE476746T1 (en)
DE (2) DE102005027943A1 (en)
WO (1) WO2006133663A1 (en)

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Also Published As

Publication number Publication date
ATE476746T1 (en) 2010-08-15
JP5065261B2 (en) 2012-10-31
CN101199032A (en) 2008-06-11
WO2006133663A1 (en) 2006-12-21
DE502006007599D1 (en) 2010-09-16
DE102005027943A1 (en) 2006-12-28
JP2008547188A (en) 2008-12-25
US20080129436A1 (en) 2008-06-05
US7880579B2 (en) 2011-02-01
CN101199032B (en) 2011-12-14
EP1891648B1 (en) 2010-08-04

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