EP1634308B1 - Inductive miniature component, in particular an antenna - Google Patents
Inductive miniature component, in particular an antenna Download PDFInfo
- Publication number
- EP1634308B1 EP1634308B1 EP04802950A EP04802950A EP1634308B1 EP 1634308 B1 EP1634308 B1 EP 1634308B1 EP 04802950 A EP04802950 A EP 04802950A EP 04802950 A EP04802950 A EP 04802950A EP 1634308 B1 EP1634308 B1 EP 1634308B1
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- EP
- European Patent Office
- Prior art keywords
- winding
- winding body
- coil
- guide elements
- underside
- Prior art date
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 130
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 239000011149 active material Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
- H01F2005/027—Coils wound on non-magnetic supports, e.g. formers wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
Definitions
- the invention relates to an inductive miniature component, in particular an antenna, with the features of the preamble of claim 1.
- Such a device is described in EP 1 315 178 A1.
- This known device has a cube-shaped winding support, which is provided at its eight corners with raised edges, wherein the distance between an outer surface of a raised edge and the outer surface of the cube corresponds at least to the winding thickness and wherein between two raised edges each circumferential distance spaces for winding guide or Insert the windings are formed.
- the winding support is composed of two hollow half-cubes, which enclose a core of a magnetically active material.
- the invention has the object of providing an inductive miniature device, in particular an antenna, with the features described in the preamble of claim 1 in such a way that a little expensive production is possible, which can be carried out in particular fully automatic, but in particular a secure fit the third coil winding guaranteed.
- a basic idea of the invention is to configure the winding body of the component as a flat, rectangular or polygonal component in such a way that the receiving space arranged within its outer surfaces into which a ferrite core designed as a flat component is inserted fully automatically from above or inserted from the side is, opens to the top or bottom or to one of the narrow sides of the bobbin. Subsequently, the three coil windings are also automatically applied to the winding body.
- the third coil winding is held by the bobbin arranged on the guide elements, which form receiving pockets through which the turns of the third coil winding are passed, held in a secure fit.
- the guide elements are arranged in the corner regions of the winding body, so that the third coil winding is guided particularly securely in these areas.
- the inductive miniature component according to the invention can be produced quickly and inexpensively on appropriately equipped machines.
- the winding body 1 shown in Figs. 1 to 5 in only partially wound state is formed as in its outer contours octagonal, flat component and intended to build an isotropic antenna by three coil windings are applied to him so that the axes of these coil windings in the three each aligned perpendicular to each other spatial directions X, Y and Z point. These spatial directions X, Y and Z are indicated in the drawings.
- the coil windings are applied to the winding body 1, that a first coil winding 2X and a second coil winding 2Y in two perpendicular to each other and parallel to the median plane of the bobbin 1 lying directions of the width and the length of the winding body are wound around this and the third coil winding 2Z along the narrow side of the winding body 1 following its circumference is wound around this.
- the third coil winding 2Z guide elements 3.1 to 3.4 and 4.1 to 4.4 are arranged, which face each other such that can be seen from the drawings, two guide elements 3.1 and 4.1, 3.2 and 4.2, 3.3 and 4.3 and 3.4 and 4.4 respectively form receiving pockets with U-shaped cross-section, in which the turns of the third coil winding 2Z extend.
- each terminal lugs 6.1 to 6.4 arranged to connect the ends of the coil windings and for connecting the device to the tracks of a printed circuit board, not shown.
- the bobbin 1 is made of plastic material and has within its outer surfaces of a guide surfaces 7.1, 7.2, 7.3 limited, substantially parallel to the median plane extending to the top of the bobbin 1 out opening receiving space 5, in which a trained as a flat component ferrite core inserted from above can be. This insertion of the Ferrite core happens before the three coil windings are applied to the former 1.
- the receiving space 5 has the inner contour of a regular octagon. Accordingly, the ferrite core to be inserted therein has the outer shape of a regular octagon.
- the ferrite core can be fixed by gluing in the receiving space.
- FIGS. 6 to 11 show a variant of the winding body according to FIGS. 1 to 5 in the unwound condition.
- the main differences consist in a slightly different embodiment of the guide elements for the third coil winding and the connection elements to which the ends of the coil windings are connected.
- the details of the bobbin of Fig. 1 and 5 corresponding parts are designated by the same reference numerals, which are provided with an apostrophe. A detailed description of the bobbin of Fig. 6 to 11 does not appear necessary.
- the receiving space opens to the underside of the winding body or to one of the narrow sides.
- the ferrite core is then inserted from one of the narrow sides into the receiving space.
- FIGS. 12 to 15 show a second embodiment of a wound body in the wound and unwound state.
- the winding body 11 is in turn formed as a flat, substantially octagonal component, are applied to the three coil windings, in turn, the axes of these coil windings 12X, 12Y, 12Z in the three mutually perpendicular spatial directions X, Y and Z point.
- the coil windings 12X, 12Y, 12Z are applied in the same manner as in the above-described embodiments.
- the circumference of the winding body are projecting, parallel to a median plane of the winding body and on both sides of the Windungsverlaufs the third coil winding 12Z lying guide elements arranged, of which the lying on the underside of the bobbin 11 guide elements 13.1 to 13.4 in Figs. 12 and 14 are visible, while of the lying at the top of the bobbin 11 guide elements only the guide elements 14.1 and 14.2 in Figs. 13 and 15 are visible.
- the guide elements on the upper side and on the lower side face each other in such a way that they form receiving pockets in which the turns of the third coil winding 12Z extend.
- connection elements 16.2 and 16.4 are formed for connecting the device to the conductor tracks of a printed circuit board, not shown.
- the winding body 11 Within its outer surfaces of the winding body 11 has a limited by guide surfaces 17, extending substantially parallel to the median plane, opening to a narrow side of the bobbin 11 toward receiving space 15, in which a trained as a flat component ferrite core 18 is inserted. The insertion of the ferrite core 18 is done before the three coil windings are applied to the winding body 11.
Abstract
Description
Die Erfindung betrifft ein induktives Miniatur-Bauelement, insbesondere eine Antenne, mit den Merkmalen aus dem Oberbegriff von Patentanspruch 1.The invention relates to an inductive miniature component, in particular an antenna, with the features of the preamble of
Ein derartiges Bauelement ist in EP 1 315 178 A1 beschrieben. Dieses bekannte Bauelement besitzt einen würfelförmigen Wicklungsträger, welcher an seinen acht Ecken mit erhabenen Kanten versehen ist, wobei der Abstand zwischen einer Außenfläche einer erhabenen Kante und der Außenmantelfläche des Würfels mindestens der Wicklungsstärke entspricht und wobei zwischen zwei erhabenen Kanten jeweils umlaufende Abstandsräume zur Wicklungsführung bzw. Einlage der Wicklungen gebildet sind. Der Wicklungsträger ist aus zwei hohlen Halbwürfeln zusammengesetzt, welche einen Kern aus einem magnetisch wirksamen Material umschließen.Such a device is described in
Aus US 4 287 809 A ist es bekannt, bei induktiven Bauelementen mit dreidimensionaler Wicklungsanordnung einen von den Wicklungen umfassten Ferritkern zu verwenden. Weiterhin ist es aus US 6 407 677 B 1 und US 2003/0222829 A1 bekannt, bei induktiven Bauelementen mit dreidimensionaler Wicklungsanordnung die Wicklungen direkt auf einen als flaches Bauteil ausgebildeten Ferritkern aufzubringen.From US Pat. No. 4,287,809 A it is known to use a ferrite core comprised of the windings in inductive components with a three-dimensional winding arrangement. Furthermore, it is known from US Pat. Nos. 6,407,677 B1 and 2003/0222829 A1 to apply the windings directly to a ferrite core designed as a flat component in the case of inductive components having a three-dimensional winding arrangement.
Der Erfindung liegt die Aufgabe zugrunde, ein induktives Miniatur-Bauelement, insbesondere eine Antenne, mit den im Oberbegriff des Patentanspruchs 1 beschriebenen Merkmalen so auszubilden, dass eine wenig aufwendige Herstellung möglich ist, die insbesondere vollautomatisch durchgeführt werden kann, die aber insbesondere einen sicheren Sitz der dritten Spulenwicklung gewährleistet.The invention has the object of providing an inductive miniature device, in particular an antenna, with the features described in the preamble of
Die Lösung dieser Aufgabe geschieht erfindungsgemäß wie im kennzeichnenden Teil des Patentanspruchs 1 angegeben. Vorteilhafte Weiterbildungen des erfindungsgemäßen Bauelements sind in den abhängigen Vorrichtungsansprüchen beschrieben. Ein Verfahren zur automatischen Herstellung des erfindungsgemäßen Bauelements ist im Verfahrensanspruch 7 beschrieben.The solution of this problem is done according to the invention as indicated in the characterizing part of
Ein Grundgedanke der Erfindung besteht darin, den Wickelkörper des Bauelements insgesamt als flaches, rechteckiges oder vieleckiges Bauteil auszubilden, und zwar derart, dass der innerhalb seiner Außenflächen angeordnete Aufnahmeraum, in den ein als flaches Bauelement ausgebildeter Ferritkern vollautomatisch von oben eingesetzt oder von der Seite eingeschoben wird, sich zur Oberseite oder Unterseite oder zu einer der Schmalseiten des Wickelkörpers hin öffnet. Anschließend daran werden ebenfalls automatisch die drei Spulenwicklungen auf den Wickelkörper aufgebracht. Hierbei wird die dritte Spulenwicklung durch die am Wickelkörper angeordneten Führungselemente, welche Aufnahmetaschen bilden, durch welche die Windungen der dritten Spulenwicklung hindurchgeführt werden, in einem sicheren Sitz gehalten. Die Führungselemente sind in den Eckbereichen des Wickelkörpers angeordnet, so dass die dritte Spulenwicklung in diesen Bereichen besonders sicher geführt ist.A basic idea of the invention is to configure the winding body of the component as a flat, rectangular or polygonal component in such a way that the receiving space arranged within its outer surfaces into which a ferrite core designed as a flat component is inserted fully automatically from above or inserted from the side is, opens to the top or bottom or to one of the narrow sides of the bobbin. Subsequently, the three coil windings are also automatically applied to the winding body. Here, the third coil winding is held by the bobbin arranged on the guide elements, which form receiving pockets through which the turns of the third coil winding are passed, held in a secure fit. The guide elements are arranged in the corner regions of the winding body, so that the third coil winding is guided particularly securely in these areas.
Das erfindungsgemäße induktive Miniatur-Bauelement lässt sich rasch und wenig aufwendig auf entsprechend ausgestatteten Automaten herstellen.The inductive miniature component according to the invention can be produced quickly and inexpensively on appropriately equipped machines.
Im folgenden wird anhand er beigefügten Zeichnungen ein Ausführungsbeispiel für ein induktives Miniatur-Bauelement nach der Erfindung näher erläutert.In the following, an exemplary embodiment of an inductive miniature component according to the invention is explained in more detail with reference to the accompanying drawings.
In den Zeichnungen zeigen:
- Fig. 1
- in einer ersten Ausführungsform den nur teilweise mit zwei Wicklungen bewickelten Wickelkörper eines Miniatur-Bauelements von unten gesehen;
- Fig. 2
- den teilweise mit drei Wicklungen bewickelten Wickelkörper nach Fig. 1 in einer Ansicht auf die Schmalseite;
- Fig. 3.
- den Wickelkörper nach Fig. 1 und 2 in einer Ansicht von oben;
- Fig. 4
- einen Schnitt nach der Linie A-B in Fig. 3;
- Fig. 5
- einen Schnitt nach der Linie C-D in Fig. 3;
- Fig. 6
- in einer Darstellung analog Fig. 1 eine Variante des Wickelkörpers im unbewickelten Zustand;
- Fig. 7 u. 8
- den Wickelkörper nach Fig. 6 jeweils in einer Ansicht auf die Schmalseite;
- Fig. 9
- den Wickelkörper nach Fig. 6 bis 8 in einer Ansicht von oben;
- Fig. 10
- einen Schnitt nach der Linie A'-B' in Fig. 9;
- Fig. 11
- einen Schnitt nach der Linie C'-D' in Fig. 9;
- Fig. 12
- in einer zweiten Ausführungsform den mit drei Wicklungen bewickelten Wickelkörper eines Miniatur-Bauelements von unten gesehen;
- Fig. 13
- den Wickelkörper nach Fig. 12 im teilweise bewickelten Zustand in einer Ansicht auf die Schmalseite;
- Fig. 14
- in einer Darstellung analog Fig. 12 den Wickelkörper im unbewickelten Zustand;
- Fig. 15
- in einer Darstellung analog Fig. 13 den Wickelkörper im unbewickelten Zustand.
- Fig. 1
- in a first embodiment seen from below, the winding body of a miniature component wound only partially with two windings;
- Fig. 2
- the partially wound with three windings winding body of Figure 1 in a view on the narrow side.
- Fig. 3.
- the winding body of Figure 1 and 2 in a view from above.
- Fig. 4
- a section along the line AB in Fig. 3;
- Fig. 5
- a section along the line CD in Fig. 3;
- Fig. 6
- in a representation analogous to Figure 1, a variant of the winding body in the unwound condition.
- Fig. 7 u. 8th
- the winding body of Figure 6 respectively in a view on the narrow side.
- Fig. 9
- the winding body of Figure 6 to 8 in a view from above.
- Fig. 10
- a section along the line A'-B 'in Fig. 9;
- Fig. 11
- a section along the line C'-D 'in Fig. 9;
- Fig. 12
- in a second embodiment seen from below, the winding body wound with three windings of a miniature device;
- Fig. 13
- the winding body of Figure 12 in partially wound state in a view on the narrow side.
- Fig. 14
- in a representation analogous to Figure 12 the winding body in the unwound condition.
- Fig. 15
- in a representation analogous to FIG. 13, the winding body in the unwound condition.
Der in den Fig. 1 bis 5 im nur teilweise bewickelten Zustand dargestellte Wickelkörper 1 ist als in seinen Außenumrissen achteckiges, flaches Bauteil ausgebildet und zum Aufbau einer isotropen Antenne gedacht, indem auf ihn drei Spulenwicklungen derart aufgebracht werden, dass die Achsen dieser Spulenwicklungen in die drei jeweils senkrecht zueinander ausgerichteten Raumrichtungen X, Y und Z weisen. Diese Raumrichtungen X, Y und Z sind in den Zeichnungen angegeben. Die Spulenwicklungen sind so auf den Wickelkörper 1 aufgebracht, dass eine erste Spulenwicklung 2X und eine zweite Spulenwicklung 2Y in zwei senkrecht zueinander und parallel zur Mittelebene des Wickelkörpers 1 liegenden Richtungen der Breite und der Länge des Wickelkörpers um diesen herumgewickelt sind und die dritte Spulenwicklung 2Z entlang der Schmalseite des Wickelkörpers 1 seinem Umfang folgend um diesen herumgewickelt ist.The winding
In den vier Eckbereichen des Wickelkörpers 1 sind den Umfang des Wickelkörpers überragende, parallel zu einer Mittelebene des Wickelkörpers verlaufende und zu beiden Seiten des Windungsverlaufs der dritten Spulenwicklung 2Z liegende Führungselemente 3.1 bis 3.4 und 4.1 bis 4.4 angeordnet, die derart einander gegenüberliegen, dass, wie aus den Zeichnungen zu ersehen, jeweils zwei Führungselemente 3.1 und 4.1, 3.2 und 4.2, 3.3 und 4.3 sowie 3.4 und 4.4 Aufnahmetaschen mit U-förmigem Querschnitt bilden, in denen die Windungen der dritten Spulenwicklung 2Z verlaufen.In the four corner regions of the winding
An den äußeren Kanten der Führungselemente 3.1 bis 3.4 an der Unterseite des Wickelkörpers 1 sind jeweils Anschlussfahnen 6.1 bis 6.4 angeordnet zum Anschluss der Enden der Spulenwicklungen und zum Anschluss des Bauelements an die Leiterbahnen einer nicht dargestellten Leiterplatte.At the outer edges of the guide elements 3.1 to 3.4 at the bottom of the
Der Wickelkörper 1 besteht aus Kunststoffmaterial und besitzt innerhalb seiner Außenflächen einen von Führungsflächen 7.1, 7.2, 7.3 begrenzten, im wesentlichen parallel zur Mittelebene verlaufenden, sich zur Oberseite des Wickelkörpers 1 hin öffnenden Aufnahmeraum 5, in den ein als flaches Bauteil ausgebildeter Ferritkern von oben eingesetzt werden kann. Dieses Einsetzen des Ferritkerns geschieht, bevor die drei Spulenwicklungen auf den Wickelkörper 1 aufgebracht werden.The
Im dargestellten Ausführungsbeispiel besitzt der Aufnahmeraum 5 die Innenkontur eines regelmäßigen Achtecks. Dementsprechend besitzt der in ihn einzusetzende Ferritkern die Außenform eines regelmäßigen Achtecks. Der Ferritkern kann durch Verkleben im Aufnahmeraum fixiert sein.In the illustrated embodiment, the receiving
Die Fig. 6 bis 11 zeigen eine Variante des Wickelkörpers nach Fig. 1 bis 5 im unbewickelten Zustand. Die wesentlichen Unterschiede bestehen in einer etwas anderen Ausgestaltung der Führungselemente für die dritte Spulenwicklung sowie der Anschlusselemente, an welche die Enden der Spulenwicklungen angeschlossen sind. In den Fig. 6 bis 11 sind die den Einzelheiten des Wickelkörpers nach Fig. 1 und 5 entsprechenden Teile mit den gleichen Bezugsziffern bezeichnet, die mit einem Apostrophstrich versehen sind. Eine ausführliche Beschreibung des Wickelkörpers nach Fig. 6 bis 11 erscheint nicht erforderlich.FIGS. 6 to 11 show a variant of the winding body according to FIGS. 1 to 5 in the unwound condition. The main differences consist in a slightly different embodiment of the guide elements for the third coil winding and the connection elements to which the ends of the coil windings are connected. In Figs. 6 to 11, the details of the bobbin of Fig. 1 and 5 corresponding parts are designated by the same reference numerals, which are provided with an apostrophe. A detailed description of the bobbin of Fig. 6 to 11 does not appear necessary.
Selbstverständlich sind auch Ausführungsformen möglich, bei denen sich der Aufnahmeraum zur Unterseite des Wickelkörpers oder zu einer der Schmalseiten hin öffnet. Im letzteren Fall wird der Ferritkern dann von einer der Schmalseiten her in den Aufnahmeraum eingeschoben.Of course, embodiments are possible in which the receiving space opens to the underside of the winding body or to one of the narrow sides. In the latter case, the ferrite core is then inserted from one of the narrow sides into the receiving space.
In den Fig. 12 bis 15 ist im bewickelten und unbewickelten Zustand eine zweite Ausführungsform eines Wickelkörpers dargestellt.FIGS. 12 to 15 show a second embodiment of a wound body in the wound and unwound state.
Der Wickelkörper 11 ist wiederum als flaches, im wesentlichen achteckiges Bauteil ausgebildet, auf den drei Spulenwicklungen derart aufgebracht sind, dass wiederum die Achsen dieser Spulenwicklungen 12X, 12Y, 12Z in die drei jeweils senkrecht zueinander ausgerichteten Raumrichtungen X, Y und Z weisen. Die Spulenwicklungen 12X, 12Y, 12Z sind in der gleichen Weise aufgebracht wie bei den oben beschriebenen Ausführungsformen.The winding
In den vier Eckbereichen des Wickelkörpers 11 sind den Umfang des Wickelkörpers überragende, parallel zu einer Mittelebene des Wickelkörpers verlaufende und zu beiden Seiten des Windungsverlaufs der dritten Spulenwicklung 12Z liegende Führungselemente angeordnet, von denen die an der Unterseite des Wickelkörpers 11 liegenden Führungselemente 13.1 bis 13.4 in den Fig. 12 und 14 sichtbar sind, während von den an der Oberseite des Wickelkörpers 11 liegenden Führungselementen nur die Führungselemente 14.1 und 14.2 in den Fig. 13 und 15 sichtbar sind. Die Führungselemente an der Oberseite und an der Unterseite liegen wiederum derart einander gegenüber, dass sie Aufnahmetaschen bilden, in denen die Windungen der dritten Spulenwicklung 12Z verlaufen. Um Fortsätze der an der Unterseite angeordneten Führungselemente 13.2 und 13.4 sind jeweils die Enden von Spulenwicklungen herumgewickelt und dort verlötet, so dass Anschlusselemente 16.2 bzw. 16.4 gebildet werden zum Anschluss des Bauelements an die Leiterbahnen einer nicht dargestellten Leiterplatte.In the four corner regions of the winding
Innerhalb seiner Außenflächen besitzt der Wickelkörper 11 einen von Führungsflächen 17 begrenzten, im wesentlichen parallel zur Mittelebene verlaufenden, sich zu einer Schmalseite des Wickelkörpers 11 hin öffnenden Aufnahmeraum 15, in den ein als flaches Bauteil ausgebildeter Ferritkern 18 eingeschoben ist. Das Einschieben des Ferritkerns 18 geschieht, bevor die drei Spulenwicklungen auf den Wickelkörper 11 aufgebracht werden.Within its outer surfaces of the winding
Im folgenden werden Verfahren beschrieben, nach denen ein induktives Miniatur-Bauelement, wie anhand der Fig. 1 bis 5 bzw. Fig. 12 bis 15 beschrieben, auf einem entsprechend ausgestatteten Fertigungsautomaten hergestellt werden kann.In the following, methods are described according to which a miniature inductive component, as described with reference to FIGS. 1 to 5 or FIGS. 12 to 15, can be produced on a correspondingly equipped production machine.
Im Fall eines Bauelements nach Fig. 1 bis 5 laufen folgende Verfahrensschritte automatisch ab:
- a) Herstellen eines Wickelkörpers aus Kunststoffinaterial mit einem Aufnahmeraum für einen Ferritkern und mit einstückig angeordneten Führungselementen an der Oberseite und an der Unterseite;
- b) Bereitstellen eines als flaches Bauteil ausgebildeten Ferritkerns;
- c) Einsetzen des Ferritkerns von oben in den Aufnahmeraum des Wickelkörpers;
- d) Wickeln einer ersten und zweiten Spulenwicklung auf den Wickelkörper in zwei senkrecht zueinander in der Mittelebene des Wickelkörpers liegenden Richtungen;
- e) Wickeln einer dritten Spulenwicklung entlang der Schmalseite des Wickelkörpers in den Raum zwischen den Führungselementen der Oberseite und den Führungselementen der Unterseite;
- f) Verbinden der Wicklungsenden der drei Spulenwicklungen mit Kontaktelementen an der Unterseite des Wickelkörpers durch Löten;
- g) Abführen des Bauelements zum Messen und Verpacken.
- a) producing a bobbin of plastic material having a receiving space for a ferrite core and with integrally arranged guide elements on the top and bottom;
- b) providing a ferrite core designed as a flat component;
- c) inserting the ferrite core from above into the receiving space of the winding body;
- d) winding a first and second coil winding on the winding body in two directions perpendicular to each other in the median plane of the winding body directions;
- e) winding a third coil winding along the narrow side of the bobbin in the space between the guide elements of the top and the guide elements of the bottom;
- f) connecting the winding ends of the three coil windings with contact elements on the underside of the wound body by soldering;
- g) removal of the device for measuring and packaging.
Im Fall eines Bauelements nach Fig. 12 bis 15 laufen folgende Verfahrensschritte automatisch ab:
- a) Herstellen eines Wickelkörpers aus Kunststoffmaterial mit einem Aufnahmeraum für einen Ferritkern und mit einstückig angeordneten Führungselementen an der Oberseite und an der Unterseite;
- b) Bereitstellen eines als flaches Bauteil ausgebildeten Ferritkerns;
- c) Einschieben des Ferritkerns von der Schmalseite her in den Aufnahmeraum des Wickelkörpers;
- d) Wickeln einer ersten und zweiten Spulenwicklung auf den Wickelkörper in zwei senkrecht zueinander in der Mittelebene des Wickelkörpers liegenden Richtungen;
- e) Wickeln einer dritten Spulenwicklung entlang der Schmalseite des Wickelkörpers in den Raum zwischen den Führungselementen der Oberseite und den Führungselementen der Unterseite;
- f) Wickeln der Wicklungsenden der drei Spulenwicklungen um Vorsprünge der Führungselemente an der Unterseite des Wickelkörpers und Verlöten der Enden;
- g) Abführen des Bauelements zum Messen und Verpacken.
- a) producing a bobbin of plastic material having a receiving space for a ferrite core and with integrally arranged guide elements on the top and bottom;
- b) providing a ferrite core designed as a flat component;
- c) inserting the ferrite core from the narrow side into the receiving space of the wound body;
- d) winding a first and second coil winding on the winding body in two directions perpendicular to each other in the median plane of the winding body directions;
- e) winding a third coil winding along the narrow side of the bobbin in the space between the guide elements of the top and the guide elements of the bottom;
- f) winding the winding ends of the three coil windings around projections of the guide elements on the underside of the winding body and soldering the ends;
- g) removal of the device for measuring and packaging.
Claims (7)
- Inductive miniature component, in particular antenna, with a winding body (1, 11) to which three coil windings (2X, 2Y, 2Z, 12X, 12Y, 12Z) are applied such that the axes of these coil windings point in the three directions in space in each case oriented perpendicularly to one another, wherein a first (2X, 12X) and a second (2Y, 12Y) coil winding are wound in two directions in space (X, Y), lying perpendicularly to one another in the central plane of the winding body (1, 11), of the width and the length of the winding body around the latter and the third coil winding (2Z, 12Z) is wound along the narrow side of the winding body around the latter while following its circumference, wherein the winding body (1, 11) comprises guide elements (3.1-3.4, 13.1-13.4) in corner regions for guiding the third coil winding (2Z, 12Z) at one of its sides and the component has a core (18), encompassed by the coil windings, of magnetically active material and the winding body (1, 11), which consists of plastics material, comprises within its external surface a receiving chamber (5, 15) containing guide surfaces (7.1-7.3, 17) and extending substantially parallel to the central plane, into which chamber the core (18) is inserted or pushed, characterised in that the winding body (1, 11) is formed as a flat, rectangular or polygonal structural part and the core as a flat structural part consisting of a ferrite and the receiving chamber (5, 15) opens towards the top side or underside or towards one of the narrow sides of the winding body.
- Miniature component according to Claim 1, characterised in that the receiving chamber (5) has the internal contour of a regular octagon.
- Miniature component according to Claim 1 or 2, characterised in that the winding body (1, 11) has a polygonal external contour and guide elements (3.1 to 3.4, 4.1 to 4.4, 13.1 to 13.4, 14.1, 14.2) are disposed in four corner regions at the top side and the underside of the winding body (1, 11), which elements project beyond the circumference of the winding body, extend parallel to the central plane of the winding body and in each case lie on both sides of the winding path of the third coil winding (2Z, 12Z).
- Miniature component according to Claim 3, characterised in that the guide elements (3.1 to 3.4, 4.1 to 4.4, 13.1 to 13.4, 14.1, 14.2) in each case lie opposite one another at the top side and the underside of the winding body (1, 11) such that they form receiving pockets with a U-shaped cross section in which the turns of the third coil winding (2Z, 12Z) extend.
- Miniature component according to Claim 3 or 4, characterised in that contact elements (6.1 to 6.4) are in each case disposed on the guide elements (3.1 to 3.4) of the underside of the winding body (1), to which elements the winding ends of the coil windings are connected.
- Miniature component according to Claim 5, characterised in that the contact elements (6.1 to 6.4) are formed as contact feet with which the component can be mounted on a printed circuit board and connected to the conductor tracks of the printed circuit board.
- Method for producing a miniature component according to any one of Claims 1 to 6, characterised by the following automatically proceeding method steps:a) producing a winding body from plastics material with a receiving chamber for a ferrite core and with integrally disposed guide elements at the top side and at the underside;b) providing a ferrite core formed as a flat structural part;c) pushing the ferrite core from the narrow side into the receiving chamber of the winding body;d) winding a first and second coil winding onto the winding body in two directions lying perpendicularly to one another in the central plane of the winding body;e) winding a third coil winding along the narrow side of the winding body into the space between the guide elements of the top side and the guide elements of the underside;f) winding the winding ends of the coil windings around projections of the guide elements at the underside of the winding body and soldering the ends;g) taking the component away for testing and packaging.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10361233A DE10361233A1 (en) | 2003-12-24 | 2003-12-24 | Inductive miniature component, in particular antenna |
| PCT/DE2004/002763 WO2005062316A2 (en) | 2003-12-24 | 2004-12-17 | Inductive miniature component, in particular an antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1634308A2 EP1634308A2 (en) | 2006-03-15 |
| EP1634308B1 true EP1634308B1 (en) | 2007-02-07 |
Family
ID=34706581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04802950A Not-in-force EP1634308B1 (en) | 2003-12-24 | 2004-12-17 | Inductive miniature component, in particular an antenna |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1634308B1 (en) |
| AT (1) | ATE353469T1 (en) |
| DE (2) | DE10361233A1 (en) |
| WO (1) | WO2005062316A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11688536B2 (en) | 2017-02-09 | 2023-06-27 | Premo, S.A. | Inductor device, method of manufacturing same and antenna |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101065345B1 (en) | 2006-04-07 | 2011-09-20 | 스미다 코포레이션 가부시키가이샤 | Antenna coil |
| DE102006049485A1 (en) * | 2006-10-17 | 2008-04-24 | Tyco Electronics Belgium Ec N.V. | End cap for an inductive component and inductive component |
| DE202008004315U1 (en) * | 2008-03-29 | 2009-08-06 | Neosid Pemetzrieder Gmbh & Co. Kg | Inductive component, in particular antenna |
| WO2013099546A1 (en) * | 2011-12-28 | 2013-07-04 | 日本発條株式会社 | Contactless information medium, contactless information medium bobbin member, main body member for contactless information medium, manufacturing method for contactless information medium |
| RU2573180C1 (en) * | 2014-10-13 | 2016-01-20 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") | Compact broadband three-component receiving antenna device |
| KR20240034870A (en) * | 2021-08-03 | 2024-03-14 | 프레모, 에세.엘레. | Surface mount induction coil components for mounting on printed circuit boards |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4287809A (en) * | 1979-08-20 | 1981-09-08 | Honeywell Inc. | Helmet-mounted sighting system |
| FR2787654A1 (en) * | 1998-12-21 | 2000-06-23 | Valeo Securite Habitacle | LOW FREQUENCY COMMUNICATION DEVICE BY MAGNETIC COUPLING |
| US7126450B2 (en) * | 1999-06-21 | 2006-10-24 | Access Business Group International Llc | Inductively powered apparatus |
| JP2003092509A (en) * | 2001-07-13 | 2003-03-28 | Sumida Corporation | Antenna coil |
| DE10157796A1 (en) * | 2001-11-27 | 2003-06-05 | Abb Research Ltd | Three-dimensional winding arrangement |
| JP3829761B2 (en) * | 2002-06-04 | 2006-10-04 | 株式会社デンソー | Receiving antenna, portable device |
-
2003
- 2003-12-24 DE DE10361233A patent/DE10361233A1/en not_active Withdrawn
-
2004
- 2004-12-17 EP EP04802950A patent/EP1634308B1/en not_active Not-in-force
- 2004-12-17 AT AT04802950T patent/ATE353469T1/en not_active IP Right Cessation
- 2004-12-17 WO PCT/DE2004/002763 patent/WO2005062316A2/en active IP Right Grant
- 2004-12-17 DE DE502004002866T patent/DE502004002866D1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11688536B2 (en) | 2017-02-09 | 2023-06-27 | Premo, S.A. | Inductor device, method of manufacturing same and antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1634308A2 (en) | 2006-03-15 |
| DE10361233A1 (en) | 2005-07-28 |
| WO2005062316A3 (en) | 2005-11-17 |
| DE502004002866D1 (en) | 2007-03-22 |
| ATE353469T1 (en) | 2007-02-15 |
| WO2005062316A2 (en) | 2005-07-07 |
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