EP0773564B1 - Spulenkörper - Google Patents
Spulenkörper 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
Links
Images
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
- 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.
Claims (5)
- Spulenkörper mit einer durchgehenden Ausnehmung (14) für die Aufnahme eines zweischaligen Kerns (16),mit einem Wickelkörper (12), an dessen beiden Enden Flansche (16, 18) ausgebildet sind,wobei an mindestens einem Flansch (16) eine in Querrichtung zur Längsachse der Ausnehmung (14) sich erstreckende Anschlußleiste (20, 22) ausgebildet ist,die mindestens drei nebeneinander angeordnete Lötanschlüsse (28) für um den Wickelkörper (12) gewickelte Wickeldrähte (50) hat,die Lötanschlüsse als im wesentlichen zylindrische Stifte (28) ausgebildet sind, die in einer Ebene quer zur Längsachse vertikal abstehend in voneinander beabstandeten Sockeln (30) eingebettet sind,daß jeder Sockel (30) auf der dem zugeordneten Stift (28) zugewandten Seite abgerundet ist und eine Umlenkvorrichtung trägt, um die der Wickeldraht (50) vor dem Umwickeln des Stiftes (28) umgelenkt ist, unddaß die Anschlußleiste (20, 22) auf der dem Wickelkörper (12) zugewandten Seite eine in Längsrichtung des Spulenkörpers (10) vorstehende Wand (36) trägt, die von den Sockeln (30) einen vorbestimmten Abstand hat, welcher zum Hindurchführen des Wickeldrahtes (50) oder der Wickeldrähte dient.
- Spulenkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Umlenkvorrichtung als senkrecht von der Anschlußleiste am Sockel abstehender, vorzugsweise zylindrischer Umlenkzapfen (32) ausgebildet ist.
- Spulenkörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Wand (36) einen vertikal abstehenden Abstandshalter (40) trägt, dessen Ende die Höhe des am Stift (28) angewickelten Wickeldrahtes (50) bzw. der Lötmasse übersteigt.
- Spulenkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß jeder Flansch (16, 18) mindestens eine Ausnehmung (24) in Form eines Sektors hat, und daß die Wickeldrähte (50) durch diese Ausnehmung (24) hindurch zu den Stiften (28) geführt werden.
- Spulenkörper nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens ein Flansch eine Richtausnehmung (42) für einen Wickeldorn einer Wickelmaschine hat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29622856U DE29622856U1 (de) | 1995-11-07 | 1996-10-28 | Spulenkörper |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19541447 | 1995-11-07 | ||
DE19541447A DE19541447A1 (de) | 1995-11-07 | 1995-11-07 | Spulenkörper |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0773564A1 EP0773564A1 (de) | 1997-05-14 |
EP0773564B1 true EP0773564B1 (de) | 1999-04-14 |
Family
ID=7776823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96117287A Expired - Lifetime EP0773564B1 (de) | 1995-11-07 | 1996-10-28 | Spulenkörper |
Country Status (3)
Country | Link |
---|---|
US (1) | US6559749B1 (de) |
EP (1) | EP0773564B1 (de) |
DE (2) | DE19541447A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008012479U1 (de) | 2008-09-19 | 2010-02-11 | Weiner, René | Spulenkörper mit einer durchgehenden Ausnehmung zur Aufnahme eines Kerns |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29722005U1 (de) * | 1997-12-15 | 1998-02-12 | Schiller Electronik Gmbh | Induktives Bauglied |
JP2004179498A (ja) * | 2002-11-28 | 2004-06-24 | Minebea Co Ltd | コイルボビン構造 |
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 (ja) * | 2013-02-04 | 2016-03-22 | トヨタ自動車株式会社 | リアクトル |
US9362044B1 (en) * | 2013-03-04 | 2016-06-07 | Universal Lighting Technologies, Inc. | Magnetic component with multiple pin row bobbin |
TWI493578B (zh) * | 2013-03-13 | 2015-07-21 | Yujing Technology Co Ltd | The improved structure of the wire frame |
JP6152615B2 (ja) * | 2013-03-28 | 2017-06-28 | Fdk株式会社 | 巻線部品 |
US20170047159A1 (en) * | 2014-03-14 | 2017-02-16 | Sharp Kabushiki Kaisha | Transformer and power source device |
TW201619990A (zh) * | 2014-11-18 | 2016-06-01 | 台達電子工業股份有限公司 | 變壓器及其導線架 |
JP7035482B2 (ja) | 2017-11-24 | 2022-03-15 | Tdk株式会社 | 巻線部品 |
JP7062925B2 (ja) * | 2017-11-24 | 2022-05-09 | Tdk株式会社 | 巻線部品 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1883910U (de) * | 1963-04-26 | 1963-12-05 | Siemens Ag | Selbsttragender spulenkoerper, insbesondere fuer relais. |
DE2305700C3 (de) * | 1973-02-06 | 1975-08-14 | Norbert 5275 Bergneustadt Weiner | Spulenkörper |
GB2035706B (en) * | 1978-11-09 | 1983-05-05 | Tdk Electronics Co Ltd | Inductance element |
JPS55165616A (en) * | 1979-06-11 | 1980-12-24 | Matsushita Electric Ind Co Ltd | Apparatus for manufacturing inductive parts |
DE3004747C2 (de) * | 1980-02-08 | 1982-05-06 | Siemens AG, 1000 Berlin und 8000 München | Spulenkörper für elektrische Spulen |
DE3040536C2 (de) * | 1980-10-28 | 1984-08-09 | Norbert 5275 Bergneustadt Weiner | Spulenkörper |
DE3433700A1 (de) * | 1984-09-13 | 1986-03-20 | Siemens AG, 1000 Berlin und 8000 München | Wickelkoerper fuer einen elektrischen uebertrager |
JPS6218016A (ja) * | 1985-07-17 | 1987-01-27 | Matsushita Electric Ind Co Ltd | トランス |
JPS6329916A (ja) * | 1986-07-23 | 1988-02-08 | Matsushita Electric Ind Co Ltd | トランス |
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 (de) * | 1991-10-31 | 1992-10-29 | Siemens Ag, 8000 Muenchen, De |
-
1995
- 1995-11-07 DE DE19541447A patent/DE19541447A1/de 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/de not_active Expired - Lifetime
- 1996-10-28 DE DE59601652T patent/DE59601652D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008012479U1 (de) | 2008-09-19 | 2010-02-11 | Weiner, René | Spulenkörper mit einer durchgehenden Ausnehmung zur Aufnahme eines Kerns |
Also Published As
Publication number | Publication date |
---|---|
US6559749B1 (en) | 2003-05-06 |
DE19541447A1 (de) | 1997-05-15 |
EP0773564A1 (de) | 1997-05-14 |
DE59601652D1 (de) | 1999-05-20 |
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