DE102004031886A1 - Substrate, has coil arrangement two back-to-back partial windings arranged on core, where arrangement is fixed on substrate at its ends and between its ends by respective wire ends, and partial windings have same winding count - Google Patents

Substrate, has coil arrangement two back-to-back partial windings arranged on core, where arrangement is fixed on substrate at its ends and between its ends by respective wire ends, and partial windings have same winding count Download PDF

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Publication number
DE102004031886A1
DE102004031886A1 DE102004031886A DE102004031886A DE102004031886A1 DE 102004031886 A1 DE102004031886 A1 DE 102004031886A1 DE 102004031886 A DE102004031886 A DE 102004031886A DE 102004031886 A DE102004031886 A DE 102004031886A DE 102004031886 A1 DE102004031886 A1 DE 102004031886A1
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Germany
Prior art keywords
substrate
coil arrangement
partial windings
wire ends
core
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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DE102004031886A
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German (de)
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Robert Bosch GmbH
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Robert Bosch GmbH
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Priority to DE102004031886A priority Critical patent/DE102004031886A1/en
Publication of DE102004031886A1 publication Critical patent/DE102004031886A1/en
Withdrawn legal-status Critical Current

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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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • 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
    • H01F17/045—Fixed inductances of the signal type  with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/1003—Non-printed inductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The substrate has a coil arrangement (10) with a magnetic core (13) and two direct back-to-back partial windings (16, 19) arranged on the core. The coil arrangement is fixed on the substrate at its ends by a wire ends (22). The coil arrangement is fixed on the substrate between its ends by wire ends (28). The partial windings have same winding count and the wire ends (22) are electrically connected with one another by a conductor.

Description

Stand der TechnikState of technology

Es sind Drosselspulen bekannt, die aus einem Ferritkern mit einer um diesen Kern gewickelten Kupferdrahtwicklung bestehen. Diese Kupferdrahtwicklung hat zwei Drahtenden, die vom Kern abstehen und für den Einbau bzw. für die Montage auf eine Leiterplatte durch dort eingebrachte Öffnungen gesteckt und mit der Leiterplatte durch Löten befestigt sind.It are known choke coils, which consist of a ferrite core with a consist of this core wound copper wire winding. This copper wire winding has two wire ends that protrude from the core and for installation or assembly placed on a circuit board through openings introduced there and with the PCB by soldering are attached.

Bei diesen Ausführungen ist nachteilig, dass diese Befestigungstechnik nicht dazu geeignet ist, hohe Vibrationsbelastungen zu ermöglichen. Um die Standfestigkeit zu erhöhen, werden in solchen Einsatzfällen zusätzliche Befestigungsmaßnahmen erforderlich. So werden bspw. zusätzliche Bauelementträger oder Haltefedern gewählt oder die Drosselspule wird mit dem Substrat verklebt. Schließlich besteht auch die Möglichkeit, die Baugruppe mit der Spule komplett zu vergießen, um dadurch eine ausreichende Festigkeit zu erzielen.at these statements is disadvantageous that this fastening technique is not suitable is to allow high vibration loads. To the stability to increase, be in such cases additional fastening measures required. For example, additional component carriers or Retaining springs selected or the choke coil is bonded to the substrate. Finally, too the possibility, To completely shed the assembly with the coil, thereby a sufficient To achieve strength.

Vorteile der ErfindungAdvantages of invention

Das erfindungsgemäße Substrat mit darauf elektrisch leitfähig befestigter Spulenanordnung hat den Vorteil, dass ohne zusätzliche Befestigungsteile die Standfestigkeit gegenüber Vibrationsbelastungen deutlich erhöht ist.The inventive substrate with electrically conductive on it attached coil assembly has the advantage that without additional Fasteners the stability against vibration loads significantly elevated is.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen des Substrats mit darauf elektrisch leitfähig befestigter Spulenanordnung möglich. Durch Aufspaltung einer Induktivität auf Teilwicklungen mit im wesentlichen gleicher Windungszahl ist die Belastbarkeit der Teilspulen gleichmäßig verteilt.By in the subclaims listed activities are advantageous developments of the substrate with it electrically conductive fixed coil arrangement possible. By splitting an inductance on partial windings with in essentially the same number of turns is the load capacity of the partial coils equally distributed.

Sind die Drahtenden in die gleiche Richtung orientiert so kann die Spulenanordnung mit üblichen Lötverfahren befestigt werden.are the wire ends oriented in the same direction so the coil assembly with usual soldering methods be attached.

Durch die weiteren Maßnahmen ist es möglich, die Spulenanordnung mittels SMD-Technik auf dem Substrat zu befestigen.By the further measures Is it possible, the coil arrangement by means of SMD technology to fix on the substrate.

Schließlich lässt sich durch die Verbindung zueinander gewandten Drahtenden zweier Teilwicklungen über das Substrat und einem dort aufgebrachten Leiter die Gesamtinduktivität herstellen.Finally, you can through the connection facing each other wire ends of two partial windings on the Substrate and a conductor applied there produce the total inductance.

Zeichnungendrawings

In den Zeichnungen sind zwei Ausführungsbeispiele von Spulenanordnungen und deren Befestigung auf einem Substrat dargestellt. Es zeigen:In The drawings are two embodiments represented by coil assemblies and their attachment to a substrate. Show it:

1 eine räumliche Ansicht einer Spulenanordnung nach einem ersten Beispiel, 1 a spatial view of a coil assembly according to a first example,

2 eine Seitenansicht der Spulenanordnung auf einem Substrat nach dem ersten Beispiel, 2 a side view of the coil assembly on a substrate according to the first example,

3 eine Unteransicht der Spulenanordnung nach einem zweiten Beispiel, 3 a bottom view of the coil assembly according to a second example,

4 eine Seitenansicht der Spulenanordnung auf einem Substrat nach dem zweiten Beispiel 4 a side view of the coil assembly on a substrate according to the second example

Beschreibungdescription

In 1 ist eine erste Spulenanordnung 10 in räumlicher Ansicht dargestellt. Die Spulenanordnung 10 weist einen Kern 13 auf, der vorzugsweise ein Ferritkern ist. Auf dem Kern 13 sind zwei gleichsinnig gewickelte Teilwicklungen 16 und 19 angeordnet, die unmittelbar aufeinander folgen. Die Teilwicklungen 16 und 19 weisen im Wesentlichen eine gleiche Windungszahl auf. Jede Teilwicklung 16 und 19 hat ein Drahtende 22 an je einem Ende der Spulenanordnung 10 mittels derer die Spulenanordnung 10 auf einem Substrat 25 befestigt ist. Zwischen den Drahtenden 22 am Ende der Spulenanordnung sind weitere Drahtenden 28 einer jeden Teilwicklung 16 und 19, über die die Spulenanordnung 10 zwischen deren Enden auf dem Substrat 25 zusätzlich befestigt ist. Die Drahtenden 22 und 28 sind in die gleiche Richtung orientiert und in das Substrat 25 eingelötet.In 1 is a first coil arrangement 10 shown in a spatial view. The coil arrangement 10 has a core 13 on, which is preferably a ferrite core. On the core 13 are two wound in the same direction partial windings 16 and 19 arranged, which follow each other directly. The partial windings 16 and 19 have substantially the same number of turns. Every partial winding 16 and 19 has a wire end 22 at each one end of the coil assembly 10 by means of which the coil arrangement 10 on a substrate 25 is attached. Between the wire ends 22 at the end of the coil assembly are more wire ends 28 every sub-winding 16 and 19 about which the coil arrangement 10 between their ends on the substrate 25 additionally attached. The wire ends 22 and 28 are oriented in the same direction and in the substrate 25 soldered.

In 2 sind beispielhaft die Lagen der Drahtenden 22 und 28 zueinander dargestellt. Die Aufstandspunkte der Drahtenden bilden insgesamt ein Viereck, so dass eine Abstützung gegen Vibrationen besonders wirksam ist.In 2 are exemplary the positions of the wire ends 22 and 28 shown to each other. The Aufstandspunkte the wire ends form a total of a square, so that a support against vibration is particularly effective.

Die zueinander gewandten Drahtenden 28 zweier Teilwicklungen 16 bzw. 19 sind über das Substrat 25 und einen dort aufgebrachten Leiter 30 miteinander elektrisch verbunden.The mutually facing wire ends 28 two partial windings 16 respectively. 19 are over the substrate 25 and a ladder applied there 30 electrically connected to each other.

In 3 zeigt eine Unteransicht einer zweiten Spulenanordnung 10. Als Unterschied zum ersten Ausführungsbeispiel lässt sich hier nennen, dass die Drahtenden 22 und 28 einer jeden Teilwicklung 16 bzw. 19 zueinander entgegengesetzt orientiert sind. Dadurch, dass die Drahtenden um 180° wechselseitig zum Kern 13 orientiert sind, ist die Spulenanordnung 10 für Oberflächenlötung geeignet. Die Drahtenden 22 und 28 sind zum Kern 13 tangential orientiert und bilden vorzugsweise eine gemeinsame Ebene (Drahtenden koplanar).In 3 shows a bottom view of a second coil assembly 10 , As a difference from the first embodiment can be mentioned here that the wire ends 22 and 28 every sub-winding 16 respectively. 19 oriented opposite to each other. Because the wire ends are 180 ° alternating with each other 13 are oriented, is the coil arrangement 10 suitable for surface soldering. The wire ends 22 and 28 are to the core 13 tangentially oriented and preferably form a common plane (wire ends coplanar).

4 zeigt eine Seitenansicht auf das zweite Ausführungsbeispiel. In 5 ist eine Anprägung 33 eines Drahtendes 22 bzw. 28 erkennbar. Diese Maßnahme führt zu einer besonders guten Ebenheit der Drahtenden 22 bzw. 28, so dass dies besonders gut als SMD-Bauteil auf der Substratoberfläche zu befestigen sind. 4 shows a side view of the second embodiment. In 5 is an imprint 33 a wire end 22 respectively. 28 recognizable. This measure leads to a particularly good flatness of the wire ends 22 respectively. 28 so this is special good as an SMD component to attach to the substrate surface.

Die Drahtenden sind vorzugsweise verzinnt.The Wire ends are preferably tinned.

Dieses hier beschriebene Prinzip ist analog auch auf Spulenanordnungen mit drei und mehr Teilwicklungen anwendbar.This The principle described here is analogous to coil arrangements applicable with three and more partial windings.

Claims (7)

Substrat mit darauf elektrisch leitfähig befestigter Spulenanordnung (10) mit einem Kern (13), insbesondere einem Ferritkern, dadurch gekennzeichnet, dass die Spulenanordnung (10) auf dem Kern (13) zumindest zwei unmittelbar aufeinanderfolgende Teilwicklungen (16, 19) aufweist und einerseits durch je ein Drahtende (22) an je einem Ende der Spulenanordnung (10) die Spulenanordnung (10) auf dem Substrat (25) befestigt ist und andererseits die Spulenanordnung (10) durch andere Drahtenden (28) der Spulenanordnung (10) zwischen deren Enden auf dem Substrat (25) befestigt ist.Substrate with electrically conductively mounted coil arrangement ( 10 ) with a core ( 13 ), in particular a ferrite core, characterized in that the coil arrangement ( 10 ) on the core ( 13 ) at least two immediately successive partial windings ( 16 . 19 ) and on the one hand by a respective wire end ( 22 ) at each end of the coil assembly ( 10 ) the coil arrangement ( 10 ) on the substrate ( 25 ) and on the other hand the coil arrangement ( 10 ) by other wire ends ( 28 ) of the coil arrangement ( 10 ) between their ends on the substrate ( 25 ) is attached. Substrat mit Spulenanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Teilwicklungen (16, 19) im Wesentlichen eine gleiche Windungszahl aufweisen.Substrate with coil arrangement according to claim 1, characterized in that the partial windings ( 16 . 19 ) have substantially the same number of turns. Substrat mit Spulenanordnung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Drahtenden (22, 28) in die gleiche Richtung orientiert und eingelötet sind.Substrate with coil arrangement according to claim 1 or claim 2, characterized in that the wire ends ( 22 . 28 ) are oriented and soldered in the same direction. Substrat mit Spulenanordnung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Drahtenden (22, 18) einer Teilwicklung (16, 19) zueinander entgegengesetzt orientiert sind.Substrate with coil arrangement according to claim 1 or claim 2, characterized in that the wire ends ( 22 . 18 ) a partial winding ( 16 . 19 ) are oriented opposite to each other. Substrat mit Spulenanordnung nach Anspruch 4, dadurch gekennzeichnet, dass die Drahtenden (22, 28) zum Kern (13) tangential orientiert sind.Substrate with coil arrangement according to claim 4, characterized in that the wire ends ( 22 . 28 ) to the core ( 13 ) are tangentially oriented. Substrat mit Spulenanordnung nach Anspruch 5, dadurch gekennzeichnet, dass die Drahtenden (22, 28) koplanar sind.Substrate with coil arrangement according to claim 5, characterized in that the wire ends ( 22 . 28 ) are coplanar. Substrat mit Spulenanordnung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die zueinander gewandten Drahtenden (28) zweier Teilwicklungen über das Substrat und einem dort aufgebrachten Leiter miteinander elektrisch verbunden sind.Substrate with coil arrangement according to one of the preceding claims, characterized in that the mutually facing wire ends ( 28 ) of two partial windings via the substrate and a conductor applied there are electrically connected to each other.
DE102004031886A 2004-06-30 2004-06-30 Substrate, has coil arrangement two back-to-back partial windings arranged on core, where arrangement is fixed on substrate at its ends and between its ends by respective wire ends, and partial windings have same winding count Withdrawn DE102004031886A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102004031886A DE102004031886A1 (en) 2004-06-30 2004-06-30 Substrate, has coil arrangement two back-to-back partial windings arranged on core, where arrangement is fixed on substrate at its ends and between its ends by respective wire ends, and partial windings have same winding count

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004031886A DE102004031886A1 (en) 2004-06-30 2004-06-30 Substrate, has coil arrangement two back-to-back partial windings arranged on core, where arrangement is fixed on substrate at its ends and between its ends by respective wire ends, and partial windings have same winding count

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DE102004031886A1 true DE102004031886A1 (en) 2006-01-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1752997A1 (en) * 2004-06-04 2007-02-14 Sumida Corporation Inductor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815102U (en) * 1960-05-20 1960-07-21 Fernseh Gmbh SPOOL HOLDER.
US4759120A (en) * 1986-05-30 1988-07-26 Bel Fuse Inc. Method for surface mounting a coil
DE8305566U1 (en) * 1983-02-26 1989-09-07 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
DE9307224U1 (en) * 1993-05-12 1993-07-15 Kathrein-Werke Kg, 8200 Rosenheim, De
DE20309539U1 (en) * 2002-06-20 2003-09-04 Schaffner Emv Ag Luterbach Printed circuit especially for controlling locking system of car doors consists of at least three circuit boards, one ferrite core and at least a winding around the core
DE10214853A1 (en) * 2002-04-04 2003-10-23 Philips Intellectual Property Printed circuit board with a coil recessed in a recess

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815102U (en) * 1960-05-20 1960-07-21 Fernseh Gmbh SPOOL HOLDER.
DE8305566U1 (en) * 1983-02-26 1989-09-07 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
US4759120A (en) * 1986-05-30 1988-07-26 Bel Fuse Inc. Method for surface mounting a coil
DE9307224U1 (en) * 1993-05-12 1993-07-15 Kathrein-Werke Kg, 8200 Rosenheim, De
DE10214853A1 (en) * 2002-04-04 2003-10-23 Philips Intellectual Property Printed circuit board with a coil recessed in a recess
DE20309539U1 (en) * 2002-06-20 2003-09-04 Schaffner Emv Ag Luterbach Printed circuit especially for controlling locking system of car doors consists of at least three circuit boards, one ferrite core and at least a winding around the core

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1752997A1 (en) * 2004-06-04 2007-02-14 Sumida Corporation Inductor
EP1752997A4 (en) * 2004-06-04 2007-07-04 Sumida Corp Inductor
US7411477B2 (en) 2004-06-04 2008-08-12 Sumida Corporation Inductor

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Effective date: 20110701