EP0212609B1 - Electric coil - Google Patents

Electric coil Download PDF

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Publication number
EP0212609B1
EP0212609B1 EP86111402A EP86111402A EP0212609B1 EP 0212609 B1 EP0212609 B1 EP 0212609B1 EP 86111402 A EP86111402 A EP 86111402A EP 86111402 A EP86111402 A EP 86111402A EP 0212609 B1 EP0212609 B1 EP 0212609B1
Authority
EP
European Patent Office
Prior art keywords
end plate
coil
plate
terminals
adapter plate
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
Application number
EP86111402A
Other languages
German (de)
French (fr)
Other versions
EP0212609A1 (en
Inventor
Gerhard Dipl.-Ing. Meindl (Fh)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT86111402T priority Critical patent/ATE43196T1/en
Publication of EP0212609A1 publication Critical patent/EP0212609A1/en
Application granted granted Critical
Publication of EP0212609B1 publication Critical patent/EP0212609B1/en
Expired 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
    • 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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/043—Fixed inductances of the signal type  with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • 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
    • 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
    • H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits

Definitions

  • the invention relates to an electrical coil with a coil body with end flanges with wire guide slots, with the core halves pushed onto the coil body with wire guide slots and with a connection carrier for printed circuit boards with solder connections, onto which the coil is placed and with its winding ends is soldered to the solder connections.
  • This electrical coil has a coil body 7, wound with a winding 12, with wire guide slots 8 and shell core halves 1, 4, which also have wire guide slots 2, 8 and are pushed onto the coil body 7.
  • the shell core halves 1, 4 have central slugs 6, 11 with slug bores 13 and 3, respectively, into which a calibration screw, not shown, is immersed, which is screwed to a threaded sleeve which is guided in the slug bore 13 and is also not shown.
  • connection carrier 9 which carries solder connections 10 for the winding ends of the winding 12, not shown.
  • the present invention has for its object to design this electrical coil so that the winding and its assembly is possible by means of largely automated methods.
  • the invention provides for an electrical coil according to the preamble of claim that one of the end flanges of the coil body is designed as an end plate, which carries solder connections and has openings for the side walls and the middle slug of a shell core half, and that the connection carrier by a adapter plate that can be placed on this end plate is replaced, which has solder connections arranged on its printed circuit board side in a predetermined grid dimension, the ends of which are soldered to the solder connections of the end plate with their ends facing away from them.
  • the end plate which is provided with openings for the shell core side walls and for the central slug of the shell core, keeps the mounting surface for the shell cores free due to its special design, in which the solder connections are offset in the corner regions of the plate. Due to the adapter plate designed with solder connections, these electrical coils can be adapted to any grid arrangement of a printed circuit board.
  • the adapter plate also enables use with coils already defined in terms of their dimensions without changing the winding rule and the grid arrangements on printed circuit boards.
  • the end plate and the adapter plate can carry connection pins as solder connections, the ends of the connection pins of the adapter plate facing away from the circuit board being guided out of the adapter plate to the connection pins of the end plate.
  • solder connections of the adapter and / or end plate can also be designed as layer-shaped connection elements which are soldered to one another, optionally by means of soldering tags and the like.
  • the coil 3 has ferrite shell core halves 1, 4 with wire guide slots 2, 5, which are pushed onto a coil body.
  • the coil former has an annular end flange with centering elements 14 which are immersed in the wire guide slots 2 of the shell core half 1.
  • the coil body wound with a winding 12 has an end plate 20 shown in FIG. 4 as the end flange End plate 20 winding ends 24, 25 of the winding 12 are wound.
  • the end plate is equipped with openings 27 and 28, 28, respectively.
  • FIGS. 3 and 5 designate an adapter plate which has solder connection pins 32 and spacers 31 arranged in a grid dimension for mounting on a circuit board, not shown.
  • the adapter plate 30 rests in some areas on supports 22, 26 of the end plate 20 and in this case snaps in by means of indentations 34, 35, which act as latching elements, into peg-like latching elements 29 or into the supports 22 additionally formed as latching elements.
  • connection pins 23 of the end plate 20 are guided to the connection pins 23 of the end plate 20 and e.g. soldered to them by wave soldering.
  • layer-shaped solder connection elements inserted into the end plate 20 and into the adapter plate 30 can also take place, by means of which the electrical coil is particularly suitable for automated assembly on printed circuit boards.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Glass Compositions (AREA)
  • Discharge Heating (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

An electrical coil has a coil body with at least one end flange with wire guidance slots. Shell core halves are slipped onto the coil body and have guidance slots. A terminal carrier is provided for printed circuit boards having solder connections and onto which the coil is placed. Ends of a winding on the coil body are soldered to the solder terminals. The end flange of the coil body is fashioned as an end plate which carries solder terminals and has passages for the sidewalls and for a center bleb or projection of the one shell core half. The terminal carrier is replaced by an adapter plate that can be plugged onto the end plate. This adapter plate has solder terminals arranged in a prescribed grid dimension on its printed circuit board side, the ends of these solder terminals which face away therefrom being soldered to the solder terminals of the end plate.

Description

Die Erfindung betrifft eine elektrische Spule mit einem Spulenkörper mit Stirnflanschen mit Drahtführungsschlitzen, mit auf den Spulenkörper aufgeschobenen Schatenkernhälften mit Drahtführungsschlitzen und mit einem Anschlußträger für Leiterplatten mit Lötanschlüssen, auf den die Spule aufgesetzt und mit ihren Wickelenden mit den Lötanschlüssen verlötet ist.The invention relates to an electrical coil with a coil body with end flanges with wire guide slots, with the core halves pushed onto the coil body with wire guide slots and with a connection carrier for printed circuit boards with solder connections, onto which the coil is placed and with its winding ends is soldered to the solder connections.

Eine elektrische Spule dieser Art ist zum Beispiel auf Seite 163 des Datenbuchs "Ferrite - Weichmagnetisches SIFERRIT-Material", Ausgabe 1982/83, Herausgeber Siemens Aktiengesellschaft, beschrieben und in Figur 1 und 2 in auseinandergezogener bzw. in geschnittener Ansicht dargestellt, wobei Teile, wie z.B. die Abgleichschraube und der Haltebügel, die zum Verständnis der später erläuterten Erfindung nicht erforderlich sind, nicht gezeigt sind.An electrical coil of this type is described, for example, on page 163 of the data book "Ferrite - Soft Magnetic SIFERRIT Material", edition 1982/83, published by Siemens Aktiengesellschaft, and is shown in an exploded or sectional view in FIGS. 1 and 2, parts, such as the adjustment screw and the bracket, which are not necessary for understanding the invention explained later, are not shown.

Diese elektrische Spule besitzt einen mit einer Wicklung 12 bewickelten Spulenkörper 7 mit Drahtführungsschlitzen 8 und Schalenkernhälften 1, 4, die gleichfalls Drahtführungsschlitze 2, 8 aufweisen und auf den Spulenkörper 7 aufgeschoben sind. Die Schalenkernhälften 1, 4 besitzen Mittelbutzen 6, 11 mit Butzenbohrungen 13, bzw. 3, in die eine nicht dargestellte Abgleichschraube eintaucht, die mit einer in der Butzenbohrung 13 geführten, gleichfalls nicht dargestellten Gewindehülse verschraubt ist.This electrical coil has a coil body 7, wound with a winding 12, with wire guide slots 8 and shell core halves 1, 4, which also have wire guide slots 2, 8 and are pushed onto the coil body 7. The shell core halves 1, 4 have central slugs 6, 11 with slug bores 13 and 3, respectively, into which a calibration screw, not shown, is immersed, which is screwed to a threaded sleeve which is guided in the slug bore 13 and is also not shown.

Die gesamte Anordnung ist auf einen Anschlußträger 9 aufgesetzt, der Lötanschlüsse 10 für die nicht gezeigten Wickelenden der Wicklung 12 trägt.The entire arrangement is placed on a connection carrier 9, which carries solder connections 10 for the winding ends of the winding 12, not shown.

Die Montage und die Bewickelung des Spulenkörpers dieser elektrischen Spule ist aufgrund ihrer Gestaltung weitestgehend nur in manueller Weise möglich.The assembly and winding of the coil body of this electrical coil is largely possible due to its design only in a manual manner.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, diese elektrische Spule so zu gestalten, daß die Bewickelung und ihre Montage mittels weitgehend automatisierter Verfahren möglich ist.The present invention has for its object to design this electrical coil so that the winding and its assembly is possible by means of largely automated methods.

Zur Lösung dieser Aufgabe sieht die Erfindung bei einer elektrischen Spule gemäß Oberbegriff des Patentanspruches vor, daß einer der Stirnflansche des Spulenkörpers als Stirnplatte ausgebildet ist, die Lötanschlüsse trägt und Durchbrechungen für die Seitenwandungen und den Mittelbutzen der einen Schalenkemhälfte aufweist, und daß der Anschlußträger durch eine auf diese Stimplatte aufsetzbare Adapterplatte ersetzt ist, die auf ihrer Leiterplattenseite in vorgegebenem Rastermaß angeordnete Lötanschlüsse aufweist, die mit ihren hierzu abgekehrten Enden mit den Lötanschlüssen der Stimplatte verlötet sind.To achieve this object, the invention provides for an electrical coil according to the preamble of claim that one of the end flanges of the coil body is designed as an end plate, which carries solder connections and has openings for the side walls and the middle slug of a shell core half, and that the connection carrier by a adapter plate that can be placed on this end plate is replaced, which has solder connections arranged on its printed circuit board side in a predetermined grid dimension, the ends of which are soldered to the solder connections of the end plate with their ends facing away from them.

Durch den Ersatz des lötanschluBlosen Spulenkörperflansches durch eine Stimplatte mit Lötanschlüssen ist die Voraussetzung für eine automatische Bewicklung der Spulenkörper geschaffen. Die Wickelenden der Wicklung werden dabei vom Wickelautomaten unmittelbar an diese Lötanschlüsse angewickelt. Fehler in der Anschlußbelegung, wie sie bei Handbewickelung immer wieder auftreten, sind hier nicht mehr möglich.By replacing the solderless coil body flange with a faceplate with solder connections, the prerequisites for automatic winding of the coil body are created. The winding ends of the winding are wound directly onto these solder connections by the automatic winding machine. Errors in the pin assignment, such as occur repeatedly with manual winding, are no longer possible here.

Die mit Durchbrechungen für die Schalenkernseitenwandungen und für den Mittelbutzen des Schalenkerns ausgestattete Stirnplatte hält aufgrund ihrer besonderen Gestaltung, bei der die Lötanschlüsse in die Eckbereiche der Platte versetzt sind, die Montagefläche für die Schalenkerne frei. Durch die mit Lötanschlüssen ausgebildete Adapterplatte können diese elektrischen Spulen an jede beliebige Rasteranordnung einer Leiterplatte angepaßt werden. Die Adapterplatte ermöglicht auch eine Anwendung bei in ihren Abmessungen bereits festgelegten Spulen ohne Änderung der Wickelvorschrift und der Rasteranordnungen auf Leiterplatten.The end plate, which is provided with openings for the shell core side walls and for the central slug of the shell core, keeps the mounting surface for the shell cores free due to its special design, in which the solder connections are offset in the corner regions of the plate. Due to the adapter plate designed with solder connections, these electrical coils can be adapted to any grid arrangement of a printed circuit board. The adapter plate also enables use with coils already defined in terms of their dimensions without changing the winding rule and the grid arrangements on printed circuit boards.

Die Stirnplatte und die Adapterplatte können als Lötanschlüsse Anschlußstifte tragen, wobei die zur Leiterplattenseite abgekehrten Enden der Anschlußstifte der Adapterplatte aus der Adapterplatte heraus zu den Anschlußstiften der Stimplatte geführt sind.The end plate and the adapter plate can carry connection pins as solder connections, the ends of the connection pins of the adapter plate facing away from the circuit board being guided out of the adapter plate to the connection pins of the end plate.

Die Lötanschlüsse der Adapter- und/oder Stirnplatte können auch als schichtförmige Anschlußelemente ausgebildet sein, die miteinander, gegebenenfalls mittels Lötfahnen und dergl. verlötet sind.The solder connections of the adapter and / or end plate can also be designed as layer-shaped connection elements which are soldered to one another, optionally by means of soldering tags and the like.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles erläutert. Es zeigt:

  • Fig. 3 eine Seitenansicht einer elektrischen Spule nach der Erfindung,
  • Fig. 4 eine Unteransicht einer Stirnplatte nach der Erfindung,
  • Fig. 5 die Unteransicht der Stirnplatte nach Fig. 4 mit aufgesetzter Adapterplatte nach der Erfindung.
The invention is explained below using an exemplary embodiment. It shows:
  • 3 is a side view of an electrical coil according to the invention,
  • 4 is a bottom view of an end plate according to the invention,
  • Fig. 5 is the bottom view of the end plate of FIG. 4 with an adapter plate according to the invention.

Die elektrische Spule nach Fig. 3 besitzt Ferrit-Schalenkernhälften 1, 4 mit Drahtführungsschlitzen 2, 5, die auf einen Spulenkörper aufgeschoben sind. Der Spulenkörper weist einen kreisringförmigen Stirnflansch mit Zentrierelementen 14 auf, die in die Drahtführungsschlitze 2 der Schalenkernhälfte 1 eintauchen. An dem hierzu entgegengesetzen Stirnende trägt der mit einer Wicklung 12 bewickelte Spulenkörper als Stirnflansch eine in Fig. 4 gezeigte Stirnplatte 20. Diese rechteckförmige Stirnplatte weist in ihren Eckbereichen Lötanschlußstifte 23 auf, an welche durch die Drahtführungsschlitze 5 der Schalenkernhälfte 4 und durch die Drahtführungsschlitze 21 der Stirnplatte 20 herausgeführte Wickelenden 24, 25 der Wicklung 12 angewickelt sind. Zur Durchführung der Schalenkemwandungen der Schalenkemhälfte 4 und ihres Mittelbutzens ist die Stirnplatte mit Durchbrechungen 27 bzw. 28, 28 ausgerüstet.3 has ferrite shell core halves 1, 4 with wire guide slots 2, 5, which are pushed onto a coil body. The coil former has an annular end flange with centering elements 14 which are immersed in the wire guide slots 2 of the shell core half 1. On the opposite front end, the coil body wound with a winding 12 has an end plate 20 shown in FIG. 4 as the end flange End plate 20 winding ends 24, 25 of the winding 12 are wound. To carry out the shell core walls of the shell core half 4 and its central slug, the end plate is equipped with openings 27 and 28, 28, respectively.

Mit 30 ist in Fig. 3 und 5 eine Adapterplatte bezeichnet, die zur Montage auf einer nicht dargestellten Leiterplatte im Rastermaß angeordnete Lötanschlußstifte 32 und Abstandshalter 31 aufweist. Die Adapterplatte 30 liegt im montierten Zustand bereichsweise auf Auflager 22, 26 der Stimplatte 20 auf und rastet dabei mittels strichliniert angedeuteter, als Rastelemente wirkender Absenkungen 34, 35 in zapfenartige Rastelemente 29 bzw. in die zusätzlich als Rastelemente ausgebildeten Auflager 22 ein.30 and 30 in FIGS. 3 and 5 designate an adapter plate which has solder connection pins 32 and spacers 31 arranged in a grid dimension for mounting on a circuit board, not shown. In the assembled state, the adapter plate 30 rests in some areas on supports 22, 26 of the end plate 20 and in this case snaps in by means of indentations 34, 35, which act as latching elements, into peg-like latching elements 29 or into the supports 22 additionally formed as latching elements.

Die von der Leiterplattenseite abgekehrten Enden 33 der Lötanschlußstifte 32 der Adapterplatte 30 sind zu den Anschlußstiften 23 der Stirnplatte 20 geführt und z.B. durch Schwalllöten mit diesen verlötet.The ends 33 of the solder connection pins 32 of the adapter plate 30 facing away from the circuit board side are guided to the connection pins 23 of the end plate 20 and e.g. soldered to them by wave soldering.

An die Stelle dieser Lötanschlußstifte können auch schichtförmige, in die Stimplatte 20 und in die Adapterplatte 30 eingesetzte Lötanschlußelemente treten, durch welche die elektrische Spule in besonders hohem Maße zur automatisierten Bestückung auf Leiterplatten geeignet ist.In place of these solder pins, layer-shaped solder connection elements inserted into the end plate 20 and into the adapter plate 30 can also take place, by means of which the electrical coil is particularly suitable for automated assembly on printed circuit boards.

Claims (3)

1. Electric coil comprising coil former having end flanges with wire guide slots, comprising pot-core halves which are pushed onto the coil former and have wire guide slots, and comprising a connection carrier for printed-circuit boards having soldering terminals, onto which the coil is pushed, and contacted electrically, especially soldered, welded or clamped, with its winding ends to the soldering terminals, characterized in that one of the end flanges of the coil former is constructed as end plate (20), which carries soldering terminals (23), and has openings (27, 28, 29) for the side walls and the central slugs (6) of one pot-core half (4), and in that the connection carrier is replaced by an adapter plate (30), which can be mounted on this end plate (20), and has soldering terminals (32) at a pre-set contact spacing on its printed-circuit board side, which terminals are contacted electrically, especially soldered, welded or clamped, with their ends (33) averted herefrom to the soldering terminals (23) of the end plate (20).
2. Electric coil according to Claim 1, characterized in that the end plate (20) and the adapter plate (30) carry connector pins (23 or 32), the ends of the connector pins (33) of the adapter plate (30) averted from the printed-circuit board side being led out of the adapter plate to the connector pins (23) of the end plate (20).
3. Electric coil according to Claim 1, characterized in that the soldering terminals of the adapter and/or end plate (30 or 20) are constructed as layer-shaped connector elements, which are soldered to one another, if necessary by means of soldering lugs.
EP86111402A 1985-08-22 1986-08-18 Electric coil Expired EP0212609B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86111402T ATE43196T1 (en) 1985-08-22 1986-08-18 ELECTRIC COIL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3530094 1985-08-22
DE3530094 1985-08-22

Publications (2)

Publication Number Publication Date
EP0212609A1 EP0212609A1 (en) 1987-03-04
EP0212609B1 true EP0212609B1 (en) 1989-05-17

Family

ID=6279141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86111402A Expired EP0212609B1 (en) 1985-08-22 1986-08-18 Electric coil

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US (1) US4769625A (en)
EP (1) EP0212609B1 (en)
AT (1) ATE43196T1 (en)
DE (1) DE3663415D1 (en)

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JPH02118314U (en) * 1989-03-09 1990-09-21
EP0413848A1 (en) * 1989-08-25 1991-02-27 Siemens Aktiengesellschaft Adaptor plate for electric coils
US5179365A (en) * 1989-12-29 1993-01-12 At&T Bell Laboratories Multiple turn low profile magnetic component using sheet windings
JPH05152138A (en) * 1991-11-28 1993-06-18 Tohoku Ricoh Co Ltd Bobbin for high-frequency core
US5567999A (en) * 1992-02-20 1996-10-22 Dana Corporation Bobbin structure for electromagnetic coil assembly
JPH07220949A (en) * 1994-01-31 1995-08-18 Mitsumi Electric Co Ltd Coil device
JP3497276B2 (en) * 1994-07-20 2004-02-16 松下電器産業株式会社 Inductance element and manufacturing method thereof
GB2296387B (en) * 1994-12-02 1999-10-13 Dale Electronics Low profile inductor/transformer component
JPH118140A (en) * 1997-06-16 1999-01-12 Ngk Spark Plug Co Ltd High-voltage transformer
US6081180A (en) * 1998-09-22 2000-06-27 Power Trends, Inc. Toroid coil holder with removable top
US6501362B1 (en) 2000-11-28 2002-12-31 Umec Usa, Inc. Ferrite core
JP5090364B2 (en) * 2006-10-31 2012-12-05 三菱電機株式会社 Sheet type transformer and discharge lamp lighting device
KR101994405B1 (en) 2010-06-11 2019-06-28 가부시키가이샤 리코 Apparatus and method for preventing an information storage device from falling from a removable device
JP6094233B2 (en) * 2012-05-14 2017-03-15 住友電気工業株式会社 Superconducting magnet
CN104124042A (en) * 2013-04-23 2014-10-29 恩菲斯能源公司 Magnetic component and transformer made therefrom

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US2343675A (en) * 1941-01-06 1944-03-07 Franklin P Kenyon Plug-in transformer
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DE3324078A1 (en) * 1983-07-04 1985-01-17 Götz-Udo 6391 Grävenwiesbach Hartmann Insulating material housing

Also Published As

Publication number Publication date
US4769625A (en) 1988-09-06
EP0212609A1 (en) 1987-03-04
ATE43196T1 (en) 1989-06-15
DE3663415D1 (en) 1989-06-22

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