DE102007056558A1 - Magnet core for ignition coil, has rolling core formed by rolled sheet, which is coated in electrically insulated manner, where rolling core is arranged between ends of C-shaped, double-T-shaped or U-shaped core body - Google Patents
Magnet core for ignition coil, has rolling core formed by rolled sheet, which is coated in electrically insulated manner, where rolling core is arranged between ends of C-shaped, double-T-shaped or U-shaped core body Download PDFInfo
- Publication number
- DE102007056558A1 DE102007056558A1 DE200710056558 DE102007056558A DE102007056558A1 DE 102007056558 A1 DE102007056558 A1 DE 102007056558A1 DE 200710056558 DE200710056558 DE 200710056558 DE 102007056558 A DE102007056558 A DE 102007056558A DE 102007056558 A1 DE102007056558 A1 DE 102007056558A1
- Authority
- DE
- Germany
- Prior art keywords
- core
- shaped
- magnetic core
- rolling
- roll
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- 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
- H01F27/25—Magnetic cores made from strips or ribbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
Abstract
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einem Magnetkern nach der Gattung des Hauptanspruchs.The The invention is based on a magnetic core according to the preamble of the main claim.
Es
ist schon ein Magnetkern aus der
Vorteile der ErfindungAdvantages of the invention
Der erfindungsgemäße Magnetkern mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, dass der Stanzverlust verringert wird, indem der Magnetkern als Rollkern ausgebildet ist. Der Rollkern wird aus einem Blech hergestellt, das zu einer zylinderförmigen Rolle aufgerollt wird. Bei der Herstellung des Rollkerns tritt keinerlei Stanzverlust auf, so dass die Herstellungskosten deutlich gesenkt werden können.Of the Magnetic core according to the invention with the characterizing Features of the main claim has the advantage over that the punching loss is reduced by the magnetic core as Roll core is formed. The roll core is made of sheet metal, which is rolled up into a cylindrical roll. at the production of the roll core occurs no punching loss, so that the production costs can be significantly reduced.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Hauptanspruch angegebenen Magnetkerns möglich.By the measures listed in the dependent claims are advantageous developments and improvements of the main claim specified magnetic core possible.
Gemäß einem ersten Ausführungsbeispiel hat der Magnetkern einen C-förmigen oder U-förmigen Kernkörper, zwischen dessen Enden ein Rollkern angeordnet ist.According to one First embodiment, the magnetic core has a C-shaped or U-shaped core body, between its ends a roll core is arranged.
Besonders vorteilhaft ist, wenn der Magnetkern einen Doppel-T-förmigen Kernkörper mit zwei Querträgern aufweist, zwischen denen zur Bildung zweier Ringabschnitte zwei Rollkerne angeordnet sind. Auf die Rollkerne werden jeweils mindestens zwei Spulen aufgewickelt, wobei der runde Querschnitt der Rollkerne eine leichte Aufwicklung des Spulendrahtes erlaubt.Especially is advantageous if the magnetic core is a double-T-shaped Core body with two cross beams has, between which two roll cores are arranged to form two ring sections. At least two spools are wound on the roll cores, the round cross-section of the roll cores being a slight rewind of the coil wire allowed.
Sehr vorteilhaft ist es, wenn der Ringabschnitt durch zumindest einen Spalt unterbrochen ist, der zwischen dem Rollkern und dem Kernkörper vorgesehen ist. Auf diese Weise wird erreicht, dass mehr Energie im Magnetkreis gespeichert werden kann, da der Kern zeitlich später in Sättigung geht.Very It is advantageous if the ring section by at least one Gap is interrupted between the roller core and the core body is provided. In this way it is achieved that more energy can be stored in the magnetic circuit as the core is later in time goes into saturation.
Desweiteren vorteilhaft ist, wenn in dem Spalt ein Permanentmagnet angeordnet ist, da auf diese Weise der Magnetkern vorgespannt wird und dadurch mehr Energie speichern kann.Furthermore is advantageous if arranged in the gap, a permanent magnet is because in this way the magnetic core is biased and thereby can store more energy.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert.One Embodiment of the invention is in the drawing shown simplified and in the following description in more detail explained.
Beschreibung der AusführungsbeispieleDescription of the embodiments
Der
erfindungsgemäße Magnetkern wird in einer Vorrichtung
zur Energiespeicherung und Energietransformierung verwendet, beispielsweise
in einer Zündspule. Der Magnetkern
Die Zündspule gemäß dem ersten Ausführungsbeispiel ist beispielsweise eine Kompaktzündspule mit einem Magnetkreis und mit einem oder zwei Hochspannungsausgängen pro Magnetkreis.The Ignition coil according to the first embodiment is for example a Kompaktzündspule with a magnetic circuit and with one or two high voltage outputs per magnetic circuit.
Erfindungsgemäß ist
vorgesehen, dass der Magnetkern
Der
Magnetkern
Gemäß einem
ersten Ausführungsbeispiel ist der Ringabschnitt
Auf
den Rollkern
Bei
dem Magnetkern nach
Der
Magnetkern gemäß der zweiten Ausführung
unterscheidet sich gegenüber der ersten Ausführung
darin, dass der Kernkörper
Der
Doppel-T-förmige Kernkörper
Die
Längserstreckung des Rollkerns
Auf
jeden der Rollkerne
Bei
dem Magnetkern nach
Die
Stabzündspule hat einen Sekundärspulenkörper
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10308077 A1 [0002] - DE 10308077 A1 [0002]
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710056558 DE102007056558A1 (en) | 2007-11-23 | 2007-11-23 | Magnet core for ignition coil, has rolling core formed by rolled sheet, which is coated in electrically insulated manner, where rolling core is arranged between ends of C-shaped, double-T-shaped or U-shaped core body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710056558 DE102007056558A1 (en) | 2007-11-23 | 2007-11-23 | Magnet core for ignition coil, has rolling core formed by rolled sheet, which is coated in electrically insulated manner, where rolling core is arranged between ends of C-shaped, double-T-shaped or U-shaped core body |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007056558A1 true DE102007056558A1 (en) | 2009-05-28 |
Family
ID=40576999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200710056558 Withdrawn DE102007056558A1 (en) | 2007-11-23 | 2007-11-23 | Magnet core for ignition coil, has rolling core formed by rolled sheet, which is coated in electrically insulated manner, where rolling core is arranged between ends of C-shaped, double-T-shaped or U-shaped core body |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007056558A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2969807A1 (en) * | 2010-12-23 | 2012-06-29 | Valeo Sys Controle Moteur Sas | Ignition coil for internal combustion engine of motor vehicle, has magnetic circuit including C-shaped part provided with three straight sections, where magnet is arranged in flared part of second straight section |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10308077A1 (en) | 2003-02-26 | 2004-09-16 | Robert Bosch Gmbh | Device for energy storage and energy transformation |
-
2007
- 2007-11-23 DE DE200710056558 patent/DE102007056558A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10308077A1 (en) | 2003-02-26 | 2004-09-16 | Robert Bosch Gmbh | Device for energy storage and energy transformation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2969807A1 (en) * | 2010-12-23 | 2012-06-29 | Valeo Sys Controle Moteur Sas | Ignition coil for internal combustion engine of motor vehicle, has magnetic circuit including C-shaped part provided with three straight sections, where magnet is arranged in flared part of second straight section |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130601 |