EP0773564B1 - Coil bobbin - Google Patents
Coil bobbin Download PDFInfo
- Publication number
- EP0773564B1 EP0773564B1 EP96117287A EP96117287A EP0773564B1 EP 0773564 B1 EP0773564 B1 EP 0773564B1 EP 96117287 A EP96117287 A EP 96117287A EP 96117287 A EP96117287 A EP 96117287A EP 0773564 B1 EP0773564 B1 EP 0773564B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- pin
- winding
- coil bobbin
- opening
- 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.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/10—Connecting leads to windings
Definitions
- the invention relates to a bobbin with a continuous Recess for receiving a double-shell core, with a winding body, flanges formed at both ends are, with at least one flange in Terminal strip extending transversely to the longitudinal axis of the recess is formed, the at least three side by side arranged solder connections for wrapped around the winding body Has winding wires.
- Such a known coil former e.g. described in DE-A-2 944 583 has solder connections Soldering lugs with an approximately rectangular flat cross section, whose width is considerably larger than the height. Around Solder tails are wrapped around the ends of the winding wires Form windings on the winding body. Then be the winding wires are connected to the solder lugs by soldering. At this soldering process occur due to the high soldering temperature and the subsequent cooling changes in length in the winding wire which increase the tension in the winding wire, thereby the soldering quality is impaired and damage or tearing off the winding wire during operation fluctuating working temperatures can occur.
- DE-A-34 33 700 describes a winding body whose solder connections are used in sockets.
- the base are averted and each carry a deflection device Deflection of the winding wire.
- the solder connections are as essential cylindrical pins formed.
- the cylindrical shape allows tight wrapping of the pin with the end of a winding wire, without the risk of the winding wire tearing off arises on sharp edges.
- the pins are in one another spaced bases embedded, which are rounded. This ensures that the winding wire is fed to the pin is easy because the winding wire due to the rounding even if the bobbin is incorrectly aligned with respect to a winder slightly over the base slides and does not get caught.
- a deflection device is also provided around which the winding wire in front the wrapping of the pin is deflected. This deflection device forms a strain relief for the winding wire, so that the tensile stresses occurring during soldering are absorbed.
- the deflection device is preferably radial from the coil former protruding pivot pins formed on the base.
- the invention carries the terminal block on the side facing the winding body wall protruding in the longitudinal direction of the bobbin from the bases have a predetermined distance which is to be passed through of the winding wire or the winding wires.
- the Wall carries a vertically protruding spacer, the End of the height of the winding wire wound on the pin.
- This spacer is used to define a Make distance to the printed circuit board, so that the end of the am Sufficiently wound and soldered winding wire Has clearance to through holes in the printed circuit board and Blind soldering due to covered through holes does not occur can.
- the bobbin 10 has a winding body 12 with a continuous recess 14 for receiving a double-shell core 16, the is shown in the picture above.
- On the winding body 12 are on its ends formed flanges 16, 18 which windings Limit (not shown) on the winding body 12 at the edge.
- Two connecting strips 20, 22 are arranged on the upper flange 16, which segment-like recesses 24 and 26 in the middle to have.
- the terminal strips 20, 22 carry pins 28, of which for a better overview only one with the reference symbol 28 is provided.
- the pins 28 are on both terminal strips 20, 22 aligned along a straight line and have essentially a cylindrical shape.
- the pins 28 are in socles 30 embedded, of which only one with the reference number 30 is provided. Almost vertical in the direction to the longitudinal axis of the respective terminal block 20, 22 a deflection pin 32 perpendicular to the axis on each base 30 from the pin 28, which has a cylindrical shape. Every Sokkel 30 has a rounding 34 toward the top of the pin 28.
- Each terminal block 20, 22 carries on the winding body 12th facing side a in the longitudinal direction of the bobbin 10 protruding wall 36, which of the bases 30 a predetermined Distance. This creates a guideway 38 which for feeding the respective winding wire to the pins 28 is used.
- Each wall 36 carries spacers 40 that define one Set the distance to a printed circuit board (not shown).
- the height of the respective spacer element 40 is designed that a winding wire wound on pin 28 and the associated There is sufficient distance between the solder and the printed circuit board and the end of the winding wire or the solder pads not that Plug the through hole on the printed circuit board into which the Pin 28 is inserted. This prevents incorrect soldering.
- the two flanges 16, 18 each have a directional recess 42 (only the lower directional recess 42 can be seen) for a winding mandrel of the winding machine. This directional recess thus puts the positional relationship between the bobbin 10 and Winding machine firmly.
- the double-shell core 16 shown in the upper part of the figure has one middle column part 44, which in the recess 14 of the Winding body 12 fits.
- the outer shape of the magnetic core 16 is such that the upper and lower sections 46 approximate flush on the inner surfaces of the terminal strips 20, 22 and Stop surfaces 48 abut.
- FIG. 2 schematically shows the course of a winding wire 50 from the winding body 12 to the pin 28.
- the winding wire 50 is passed through the recess 24 over the guide track 38 and reaches forward between two bases 30 to the deflecting pin 32, by which it is redirected. Then the Winding wire 50 led to the bottom of the pin 28, on it the rounding 34 rests. After that, the winding wire becomes 50 ⁇ m the pin 28 wrapped.
- the rounding 34 enables a winding wire guide without hooking the winding wire 50.
- FIG. 3 shows a top view of the coil former 10 Figure 1, and leaves parts that are hidden in Figure 1, recognize better. The same parts have the same reference numerals Mistake.
- the pins 28 of the two terminal strips lie in levels parallel to the longitudinal axis of the bobbin 10 and show in the same direction. This makes it possible to get the wrapped up Ends of the winding wires on all pins 28 in one Soldering process, e.g. by dip soldering.
- the pins 28 are preferred have a pair of flattened side surfaces so that one Cylindrical shape is created, which is flattened on the side. Farther the cylindrical surface is corrugated. The in Transition area between flat side surface and cylinder surface resulting edge serves as a tear-off edge for the wound Winding wire. More details about the design of the pins 28 are in German utility model 295 12 324.9.
Description
Die Erfindung betrifft einen Spulenkörper mit einer durchgehenden Ausnehmung für die Aufnahme eines zweischaligen Kerns, mit einem Wickelkörper, an dessen beiden Enden Flansche ausgebildet sind, wobei an mindestens einem Flansch eine in Querrichtung zur Längsachse der Ausnehmung erstreckende Anschlußleiste ausgebildet ist, die mindestens drei nebeneinander angeordnete Lötanschlüsse für um den Wickelkörper gewikkelte Wickeldrähte hat.The invention relates to a bobbin with a continuous Recess for receiving a double-shell core, with a winding body, flanges formed at both ends are, with at least one flange in Terminal strip extending transversely to the longitudinal axis of the recess is formed, the at least three side by side arranged solder connections for wrapped around the winding body Has winding wires.
Ein derartiger bekannter Spulenkörper, wie er z.B. in der DE-A-2 944 583 beschrieben ist, hat als Lötanschlüsse Lötfahnen mit annähernd rechteckigem flachen Querschnitt, dessen Breite erheblich größer ist als die Höhe. Um diese Lötfahnen werden Enden der Wickeldrähte gewickelt, welche Wicklungen auf dem Wickelkörper bilden. Anschließend werden die Wickeldrähte mit den Lötfahnen durch Löten verbunden. Bei diesem Lötvorgang treten infolge der hohen Löttemperatur und dem nachfolgenden Abkühlen Längenänderungen im Wickeldraht auf, welche die Zugspannung im Wickeldraht erhöhen, wodurch die Lötqualität beeinträchtigt wird und eine Beschädigung oder ein Abreißen des Wickeldrahtes während des Betriebs unter schwankenden Arbeitstemperaturen auftreten kann. Außerdem ist beim bekannten Spulenkörper das Umwickeln einer Lötfahne mit dem Wickeldraht in einer automatischen Wickelmaschine aufwendig, da die Führung des Wickeldrahtes vom Wickelkörper zur Lötfahne kompliziert ist und an den Kanten der Lötfahnen bei straffer Wickeldrahtführung der Wickeldraht abreißen kann.Such a known coil former, e.g. described in DE-A-2 944 583 has solder connections Soldering lugs with an approximately rectangular flat cross section, whose width is considerably larger than the height. Around Solder tails are wrapped around the ends of the winding wires Form windings on the winding body. Then be the winding wires are connected to the solder lugs by soldering. At this soldering process occur due to the high soldering temperature and the subsequent cooling changes in length in the winding wire which increase the tension in the winding wire, thereby the soldering quality is impaired and damage or tearing off the winding wire during operation fluctuating working temperatures can occur. Moreover is the winding of a solder tail in the known coil former with the winding wire in an automatic winding machine expensive because the winding wire is guided by the winding body to the solder tail is complicated and on the edges of the solder tails If the winding wire guide is tight, tear off the winding wire can.
Aus der WO 93/00691 ist es bekannt, als Lötanschlüsse zylindrische Stifte zu verwenden, die in einer Ebene quer zur Längsachse vertikal abstehen. Ein Abschnitt des jeweiligen Stiftes wird mit Draht umwickelt.It is known from WO 93/00691 as solder connections to use cylindrical pins in a plane transverse to Protrude vertically. A section of each The pen is wrapped with wire.
In der DE-A-34 33 700 ist ein Wickelkörper beschrieben, dessen Lötanschlüsse in Sockeln eingesetzt sind. Die Sockel sind abgewendet und tragen jeweils eine Umlenkvorrichtung zum Umlenken des Wickeldrahtes.DE-A-34 33 700 describes a winding body whose solder connections are used in sockets. The base are averted and each carry a deflection device Deflection of the winding wire.
Es ist Aufgabe der Erfindung, einen Spulenkörper anzugeben, der ein einfaches automatisches Wickeln gestattet und der betriebssicher arbeitet.It is an object of the invention to provide a coil former which allows easy automatic winding and is reliable is working.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.
Bei der Erfindung sind die Lötanschlüsse als im wesentlichen zylindrische Stifte ausgebildet. Die Zylinderform gestattet ein straffes Umwickeln des Stiftes mit dem Ende eines Wickeldrahtes, ohne daß die Gefahr eines Abreißens des Wickeldrahtes an scharfen Kanten entsteht. Die Stifte sind in voneinander beabstandeten Sockeln eingebettet, die abgerundet sind. Dadurch wird erreicht, daß die Zuführung des Wickeldrahtes zum Stift problemlos ist, da der Wickeldraht aufgrund der Abrundung auch bei fehlerhafter Ausrichtung des Spulenkörpers in bezug auf eine Wickelvorrichtung leicht über den Sockel gleitet und sich nicht verhakt. Erfindungsgemäß ist ferner eine Umlenkvorrichtung vorgesehen, um die der Wickeldraht vor dem Umwickeln des Stiftes umgelenkt ist. Diese Umlenkvorrichtung bildet eine Zugentlastung für den Wickeldraht, so daß die beim Löten auftretenden Zugspannungen abgefangen werden. In the invention, the solder connections are as essential cylindrical pins formed. The cylindrical shape allows tight wrapping of the pin with the end of a winding wire, without the risk of the winding wire tearing off arises on sharp edges. The pins are in one another spaced bases embedded, which are rounded. This ensures that the winding wire is fed to the pin is easy because the winding wire due to the rounding even if the bobbin is incorrectly aligned with respect to a winder slightly over the base slides and does not get caught. According to the invention is also a deflection device is provided around which the winding wire in front the wrapping of the pin is deflected. This deflection device forms a strain relief for the winding wire, so that the tensile stresses occurring during soldering are absorbed.
Vorzugsweise ist die Umlenkvorrichtung als radial vom Spulenkörper am Sockel abstehender Umlenkzapfen ausgebildet. Durch diese Anordnung ist es möglich, den Bewegungsablauf von Wickelvorrichtung und Spulenkörper zueinander in einem numerisch gesteuerten Wickelautomaten optimal zu gestalten, da lediglich Schwenkbewegungen um 90° ausgeführt werden müssen. Die Verwendung eines zylindrischen Umlenkzapfens reduziert die Gefahr des Abreißens des Wickeldrahtes auch bei straffer Wickeldrahtführung.The deflection device is preferably radial from the coil former protruding pivot pins formed on the base. By this arrangement it is possible to change the sequence of movements Winding device and bobbin to each other in one numerical controlled winding machines to optimally design, because only swivel movements of 90 ° have to be carried out. The use of a cylindrical diverter pin is reduced the risk of tearing off the winding wire even with tauter Winding wire guide.
Gemäß der Erfindung trägt die Anschlußleiste auf der dem Wickelkörper zugewandten Seite eine in Längsrichtung des Spulenkörpers vorstehende Wand, die von den Sockeln einen vorbestimmten Abstand hat, welcher zum Hindurchführen des Wickeldrahtes oder der Wickeldrähte dient. Durch diese Maßnahmen wird für den oder die Wickeldrähte eine Führungsbahn geschaffen, die ein kreuzungsfreies Zuführen der Enden der Wickeldrähte zu den Stiften gewährleistet.According to the invention carries the terminal block on the side facing the winding body wall protruding in the longitudinal direction of the bobbin from the bases have a predetermined distance which is to be passed through of the winding wire or the winding wires. Through these measures, one for the winding wire or Guideway created, the crossing-free feeding of the Guaranteed ends of the winding wires to the pins.
Eine andere Ausführungsform der Erfindung sieht vor, daß die Wand einen vertikal abstehenden Abstandhalter trägt, dessen Ende die Höhe des am Stift angewickelten Wickeldrahtes übersteigt. Dieser Abstandhalter dient dazu, einen definierten Abstand zur Printplatte herzustellen, so daß das Ende des am Stift angewickelten und angelöteten Wickeldrahtes ausreichenden Abstand zu Durchgangslöchern in der Printplatte hat und Blindlötungen infolge abgedeckter Durchgangslöcher nicht entstehen können.Another embodiment of the invention provides that the Wall carries a vertically protruding spacer, the End of the height of the winding wire wound on the pin. This spacer is used to define a Make distance to the printed circuit board, so that the end of the am Sufficiently wound and soldered winding wire Has clearance to through holes in the printed circuit board and Blind soldering due to covered through holes does not occur can.
Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnungen beschrieben. Darin zeigen:
- Figur 1
- eine perspektivische Ansicht des neuen Spulenkörpers sowie eine perspektivische Ansicht eines Ferrit-Kerns,
- Figur 2
- eine Ansicht des Spulenkörpers mit einem um einen Stift gewickelten Wickeldrahtende, und
- Figur 3
- eine Draufsicht auf den Spulenkörper nach Figur 1.
- Figure 1
- a perspective view of the new coil former and a perspective view of a ferrite core,
- Figure 2
- a view of the coil body with a winding wire end wound around a pin, and
- Figure 3
- a plan view of the bobbin according to Figure 1.
In Figur 1 ist ein Ausführungsbeispiel eines Spulenkörpers 10
nach der Erfindung perspektivisch dargestellt. Der Spulenkörper
10 hat einen Wickelkörper 12 mit einer durchgehenden Ausnehmung
14 für die Aufnahme eines zweischaligen Kerns 16, der
im Bildteil oben dargestellt ist. Am Wickelkörper 12 sind an
seinen Enden Flansche 16, 18 ausgebildet, welche Wicklungen
(nicht dargestellt) auf dem Wickelkörper 12 randseitig begrenzen.1 shows an embodiment of a coil former 10
shown in perspective according to the invention. The
Am oberen Flansch 16 sind zwei Anschlußleisten 20, 22 angeordnet,
welche mittig segmentartige Ausnehmungen 24 bzw. 26
haben. Die Anschlußleisten 20, 22 tragen Stifte 28, von denen
zur besseren Übersicht lediglich einer mit dem Bezugszeichen
28 versehen ist. Die Stifte 28 sind auf beiden Anschlußleisten
20, 22 längs einer Geraden ausgerichtet und haben im wesentlichen
eine zylindrische Form. Die Stifte 28 sind in Sokkeln
30 eingebettet, von denen lediglich einer mit dem Bezugszeichen
30 versehen ist. In Richtung annähernd senkrecht
zu der Längsachse der jeweiligen Anschlußleiste 20, 22 steht
an jedem Sockel 30 ein Umlenkzapfen 32 senkrecht zur Achse
des Stiftes 28 ab, der eine zylindrische Form hat. Jeder Sokkel
30 hat nach oben zum Stift 28 eine Abrundung 34.Two connecting
Jede Anschlußleiste 20, 22 trägt auf der dem Wickelkörper 12
zugewandten Seite eine in Längsrichtug des Spulenkörpers 10
vorstehende Wand 36, welche von den Sockeln 30 einen vorbestimmten
Abstand hat. Dadurch wird eine Führungsbahn 38 geschaffen,
welche zum Zuführen des jeweiligen Wicklungsdrahtes
zu den Stiften 28 dient. Each
Jede Wand 36 trägt Abstandselemente 40, die einen definierten
Abstand zu einer Printplatte (nicht dargestellt) einstellen.
Die Höhe des jeweiligen Abstandselements 40 ist so ausgelegt,
daß ein am Stift 28 angewickelter Wickeldraht sowie das zugehörige
Lötzinn ausreichenden Abstand von der Printplatte hat
und das Ende des Wickeldrahtes oder der Lötbatzen nicht das
Durchgangsloch auf der Printplatte verstopfen, in die der
Stift 28 eingesetzt ist. Fehllötungen werden somit verhindert.Each
Die beiden Flansche 16, 18 haben je eine Richtausnehmung 42
(lediglich die untere Richtausnehmung 42 ist zu erkennen) für
einen Wickeldorn der Wickelmaschine. Diese Richtausnehmung
legt somit die Lagebeziehung zwischen Spulenkörper 10 und
Wickelmaschine fest.The two
Der im oberen Bildteil gezeigte zweischalige Kern 16 hat ein
mittleres Säulenteil 44, welches in die Ausnehmung 14 des
Wickelkörpers 12 paßt. Die äußere Form des Magnetkerns 16 ist
derart, daß der obere und der untere Abschnitt 46 annähernd
bündig an den Innenflächen der Anschlußleisten 20, 22 bzw. an
Anschlagflächen 48 anliegen.The double-
Figur 2 zeigt schematisch den Verlauf eines Wickeldrahtes 50
vom Wickelkörper 12 zum Stift 28. Der Wickeldraht 50 wird
durch die Ausnehmung 24 über die Führungsbahn 38 geführt und
gelangt zwischen zwei Sockeln 30 nach vorne zum Umlenkzapfen
32, durch den er umgelenkt wird. Anschließend wird der
Wickeldraht 50 zum Grund des Stiftes 28 geführt, wobei er auf
der Abrundung 34 aufliegt. Danach wird der Wickeldraht 50 um
den Stift 28 gewickelt. Durch die Umlenkung des Wickeldrahtes
um den Umlenkzapfen 32 entsteht eine Zugentlastung, so daß
auch bei straffer Wickeldrahtführung die Gefahr der Beschädigung
oder des Abreißens verringert ist. Die Abrundung 34 ermöglicht
eine Wickeldrahtführung ohne Verhaken des Wickeldrahtes
50. FIG. 2 schematically shows the course of a winding
Figur 3 zeigt eine Draufsicht auf den Spulenkörper 10 nach Figur 1, und läßt Teile, die in der Figur 1 verdeckt sind, besser erkennen. Gleiche Teile sind mit gleichen Bezugszeichen versehen.FIG. 3 shows a top view of the coil former 10 Figure 1, and leaves parts that are hidden in Figure 1, recognize better. The same parts have the same reference numerals Mistake.
Die Stifte 28 der beiden Anschlußleisten liegen in Ebenen
parallel zur Längsachse des Spulenkörpers 10 und zeigen in
dieselbe Richtung. Dadurch ist es möglich, die angewickelten
Enden der Wickeldrähte an allen Stiften 28 in einem einzigen
Lötvorgang, z.B. durch Tauchlöten, zu verlöten.The
Es ist noch darauf hinzuweisen, daß die Stifte 28 vorzugsweise
ein Paar abgeflachter Seitenflächen haben, so daß eine
Zylinderform entsteht, die seitlich abgeflacht ist. Weiterhin
hat die zylinderförmige Oberfläche eine Riffelung. Die im
Übergangsbereich zwischen flacher Seitenfläche und Zylinderfläche
entstehende Kante dient als Abrißkante für den angewickelten
Wickeldraht. Weitere Einzelheiten über die Ausgestaltung
der Stifte 28 sind im deutschen Gebrauchsmuster 295
12 324.9 beschrieben.It should be noted that the
Claims (5)
- A coil bobbin having a continuous opening (14) to receive a two-part core (16), comprising a coil former (12), at the two ends of which flanges (16, 18) are formed, a terminal strip (20, 22) which extends in the transverse direction relative to the longitudinal axis of the opening (14) being formed on at least one flange (16) and having at least three solder connections (28) disposed side by side for coil wires (50) wound around the coil former (12),
characterised in thatthe solder connections are constructed as substantially cylindrical pins (28) which are embedded in spaced-apart sockets (30) which project vertically in a plane transversely to the longitudinal axis,in that each socket (30) is rounded on the side facing the associated pin (28) and carries a deflecting device around which the coil wire (50) is deflected before being wound around the pin (28), andin that the terminal strip (20, 22) on the side facing the coil former (12) has a wall (36) which projects in the longitudinal direction of the coil bobbin (10) and which is spaced a predetermined amount from the sockets (30), such space serving for the passage of the coil wire or wires (50). - A coil bobbin according to claim 1, characterised in that the deflecting device is constructed as a preferably cylindrical deflection lug (32) which projects at right angles from the terminal strip on the socket.
- A coil bobbin according to claim 1 or 2, characterised in that the wall (36) carries a vertically projecting spacer (40), the end of which projects above the height of the coil wire (50) wound on the pin (28) and/or of the solder.
- A coil bobbin according to any one of the preceding claims, characterised in that each flange (16, 18) has at least one opening (24) in the form of a sector and in that the coil wires (50) are passed through this opening (24) to the pins (28).
- A coil bobbin according to any one of the preceding claims, characterised in that at least one flange has a directional opening (42) for a mandrel of a coil-winding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29622856U DE29622856U1 (en) | 1995-11-07 | 1996-10-28 | Bobbin |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19541447 | 1995-11-07 | ||
| DE19541447A DE19541447A1 (en) | 1995-11-07 | 1995-11-07 | Bobbin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0773564A1 EP0773564A1 (en) | 1997-05-14 |
| EP0773564B1 true EP0773564B1 (en) | 1999-04-14 |
Family
ID=7776823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96117287A Expired - Lifetime EP0773564B1 (en) | 1995-11-07 | 1996-10-28 | Coil bobbin |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6559749B1 (en) |
| EP (1) | EP0773564B1 (en) |
| DE (2) | DE19541447A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008012479U1 (en) | 2008-09-19 | 2010-02-11 | Weiner, René | Spool having a through recess for receiving a core |
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| DE29722005U1 (en) * | 1997-12-15 | 1998-02-12 | Schiller Electronik Gmbh | Inductive component |
| JP2004179498A (en) * | 2002-11-28 | 2004-06-24 | Minebea Co Ltd | Coil bobbin structure |
| US7068136B2 (en) * | 2004-03-24 | 2006-06-27 | Osram Sylvania Inc. | Lead-in for electronic bobbins |
| US7068137B2 (en) * | 2004-03-24 | 2006-06-27 | Osram Sylvania Inc. | Strain-relieving wire lead-in |
| GB0806255D0 (en) * | 2008-04-07 | 2008-05-14 | Delphi Tech Inc | Mounting device for a coil |
| US8102237B2 (en) * | 2008-06-12 | 2012-01-24 | Power Integrations, Inc. | Low profile coil-wound bobbin |
| TW201118894A (en) * | 2009-11-16 | 2011-06-01 | Delta Electronics Inc | Magnetic assembly, assembly method thereof and combination structure of magnetic assembly and circuit carrier |
| JP5890334B2 (en) * | 2013-02-04 | 2016-03-22 | トヨタ自動車株式会社 | Reactor |
| US9362044B1 (en) * | 2013-03-04 | 2016-06-07 | Universal Lighting Technologies, Inc. | Magnetic component with multiple pin row bobbin |
| TWI493578B (en) * | 2013-03-13 | 2015-07-21 | Yujing Technology Co Ltd | The improved structure of the wire frame |
| JP6152615B2 (en) * | 2013-03-28 | 2017-06-28 | Fdk株式会社 | Winding parts |
| CN106104724B (en) * | 2014-03-14 | 2018-05-08 | 夏普株式会社 | Transformer and supply unit |
| TW201619990A (en) * | 2014-11-18 | 2016-06-01 | 台達電子工業股份有限公司 | Transformer and bobbin thereof |
| JP7035482B2 (en) | 2017-11-24 | 2022-03-15 | Tdk株式会社 | Winding parts |
| JP7062925B2 (en) * | 2017-11-24 | 2022-05-09 | Tdk株式会社 | Winding parts |
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| DE3004747C2 (en) * | 1980-02-08 | 1982-05-06 | Siemens AG, 1000 Berlin und 8000 München | Bobbins for electric coils |
| DE3040536C2 (en) * | 1980-10-28 | 1984-08-09 | Norbert 5275 Bergneustadt Weiner | Bobbin |
| DE3433700A1 (en) * | 1984-09-13 | 1986-03-20 | Siemens AG, 1000 Berlin und 8000 München | Winding former for an electrical transformer |
| JPS6218016A (en) * | 1985-07-17 | 1987-01-27 | Matsushita Electric Ind Co Ltd | Transformer |
| JPS6329916A (en) * | 1986-07-23 | 1988-02-08 | Matsushita Electric Ind Co Ltd | Transformer |
| US4890085A (en) * | 1987-10-21 | 1989-12-26 | Tdk Electronic Co., Ltd. | Terminal fitted bobbin |
| US5008644A (en) * | 1989-08-31 | 1991-04-16 | At&T Bell Laboratories | Terminal assembly for linear magnetic component bobbin |
| US5281942A (en) * | 1991-06-21 | 1994-01-25 | Motorola Lighting, Inc. | Bobbin for an electrical winding and method of manufacture |
| DE4136005C1 (en) * | 1991-10-31 | 1992-10-29 | Siemens Ag, 8000 Muenchen, De |
-
1995
- 1995-11-07 DE DE19541447A patent/DE19541447A1/en not_active Withdrawn
-
1996
- 1996-10-07 US US08/726,515 patent/US6559749B1/en not_active Expired - Lifetime
- 1996-10-28 EP EP96117287A patent/EP0773564B1/en not_active Expired - Lifetime
- 1996-10-28 DE DE59601652T patent/DE59601652D1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008012479U1 (en) | 2008-09-19 | 2010-02-11 | Weiner, René | Spool having a through recess for receiving a core |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0773564A1 (en) | 1997-05-14 |
| US6559749B1 (en) | 2003-05-06 |
| DE19541447A1 (en) | 1997-05-15 |
| DE59601652D1 (en) | 1999-05-20 |
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