EP1143461A1 - Automatically mounted coil - Google Patents
Automatically mounted coil Download PDFInfo
- Publication number
- EP1143461A1 EP1143461A1 EP01000072A EP01000072A EP1143461A1 EP 1143461 A1 EP1143461 A1 EP 1143461A1 EP 01000072 A EP01000072 A EP 01000072A EP 01000072 A EP01000072 A EP 01000072A EP 1143461 A1 EP1143461 A1 EP 1143461A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- windings
- air
- turns
- magnetic material
- 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- Withdrawn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
- 239000000696 magnetic material Substances 0.000 claims abstract description 6
- 230000005415 magnetization Effects 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound 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[Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052737 gold Inorganic materials 0.000 claims abstract description 4
- 239000010931 gold Substances 0.000 claims abstract description 4
- 229910052709 silver Inorganic materials 0.000 claims abstract description 4
- 239000004332 silver Substances 0.000 claims abstract description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound 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Images
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/02—Fixed inductances of the signal type without magnetic core
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—BASIC 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
- H01F27/2823—Wires
Abstract
Description
Die vorliegende Erfindung betrifft eine Spule mit mehreren Windungen.The present invention relates to a coil with multiple turns.
In modernen Elektrogeräten werden oft viele Spulen benötigt, welche auf den Platinen des jeweiligen Elektrogeräts montiert werden. Die Spulen sollen dabei möglichst gute elektrische Eigenschaften mit kompaktem Bauvolumen und hoher Montagefreundlichkeit verbinden. Aus JP-A06 036937 ist eine Spule mit einem magnetischen Kern bekannt, bei welcher der magnetische Streufluss auf ein Minimum reduziert wird, indem die Windungen der Spule und der Kern ein einziges Bauteil bilden.In modern electrical devices, many coils are often required, which are on the circuit boards of the respective electrical device. The coils should be as good as possible electrical Properties with a compact construction volume and easy installation connect. From JP-A06 036937 a coil with a magnetic core is known which reduces the magnetic leakage flux to a minimum by using the Windings of the coil and the core form a single component.
Die Aufgabe der vorliegenden Erfindung ist es, eine Spule zu schaffen, welche minimierte Streuverluste durch Luftspalte zwischen den Windungen der Spule aufweist und eine einfache vollautomatische Montage auf Platinen ermöglicht.The object of the present invention is to provide a coil that minimized Has scattering losses due to air gaps between the turns of the coil and one enables easy, fully automatic assembly on circuit boards.
Die Aufgabe wird bei einer Luftspule erfindungsgemäß dadurch gelöst, dass die Windungen magnetisches Material enthalten. Die Aufgabe wird erfindungsgemäß auch dadurch gelöst, dass die Windungen eine äußere Lage zur Führung eines elektrischen Stroms und im Innern magnetisches Material enthalten. Luftspalte zwischen einzelnen Windungen der Spule sorgen für einen Streufluss und verschlechtern die elektrischen Eigenschaften einer solchen Spule. Um diese Luftspalte zu vermeiden, bestehen die Windungen einer erfindungsgemäßen Spule aus magnetischem Draht. Durch die Magnetkräfte zwischen den einzelnen Windungen der Spule werden diese fest zusammengehalten und so Luftspalte zwischen den Windungen vermieden. Die Windungen der Spule müssen dazu weder zusammengeklebt noch auf einen Kern gewickelt oder mit sonstigen zusätzlichen Mitteln zusammengehalten werden. Die Spule wird in der gewünschten Form gewickelt und behält ihre Form durch die magnetischen Kräfte zwischen den Windungen. Dies erlaubt eine einfache Herstellung besonders bei Fertigung in hohen Stückzahlen.The object is achieved in an air coil according to the invention in that the Coils contain magnetic material. The task is also according to the invention solved in that the turns an outer layer for guiding an electrical Electricity and magnetic material inside. Air gaps between each Windings of the coil cause leakage and deteriorate the electrical Properties of such a coil. To avoid these air gaps, there are Windings of a coil made of magnetic wire according to the invention. Through the Magnetic forces between the individual turns of the coil make them firm held together, thus avoiding air gaps between the turns. The Windings of the coil do not have to be glued together or on a core wrapped or held together by other additional means. The sink is wound in the desired shape and keeps its shape by the magnetic Forces between turns. This allows easy manufacture, especially when High volume production.
Die Ausgestaltungen nach den Ansprüchen 2 und 3 eignen sich besonders für Anwendungen in der Hochfrequenztechnik, in der meist Luftspulen ohne Kern verwendet werden. Um die Leitfähigkeit für hochfrequente Ströme zu verbessern, ist der magnetische Draht, aus dem die Luftspule gewickelt ist, mit einem besonders für Hochfrequenzanwendungen geeigneten Material beschichtet. Dazu wird der magnetische Draht vor dem Wickeln mit einer Schicht aus Gold, Silber oder Kupfer überzogen.The configurations according to claims 2 and 3 are particularly suitable for applications in high-frequency technology, in which air coils without a core are mostly used. To improve the conductivity for high-frequency currents, the magnetic one Wire from which the air coil is wound, with one especially for high-frequency applications suitable material coated. To do this, the magnetic wire in front of the Wrap covered with a layer of gold, silver or copper.
Mit der Ausgestaltung nach Anspruch 4 wird die Montage der Spule wesentlich erleichtert. Damit der Montageautomat die Form der Spule und ihre richtige Einbaurichtung erkennen kann, muss die Spule die entsprechenden Informationen an den Automaten liefern. Eine einfache Möglichkeit diese Informationen bereit zustellen ist die, dass der Montageautomat einen magnetischen Sensor besitzt, der den Grad und die Art der Magnetisierung der zu montierenden Spule erfasst. Da die Magnetisierung je nach Länge der Spule unterschiedlich ist und Drähte mit unterschiedlicher Magnetisierung verwendet werden können, können unterschiedliche Spulen an ihren magnetischen Eigenschaften erkannt werden.With the configuration according to claim 4, the assembly of the coil is made considerably easier. So that the automatic assembly machine recognizes the shape of the coil and its correct installation direction the coil must have the relevant information on the machine deliver. An easy way to provide this information is that the Automatic assembly machine has a magnetic sensor that detects the degree and type of Magnetization of the coil to be mounted is detected. Because the magnetization depends on the length the coil is different and uses wires with different magnetization can be different coils in their magnetic properties be recognized.
Die Ausgestaltung nach Anspruch 5 erlaubt eine vollautomatische Montage der Spule auf Platinen. Damit kann insbesondere bei SMD-Montage (Surface Mounted Device) eine hohe Fertigungsrate erzielt werden. Bei SMD-Montage werden die Bauteile auf der Seite der Platine befestigt, auf der sie montiert sind.The embodiment according to claim 5 allows a fully automatic assembly of the coil Circuit boards. This can be a particular advantage in the case of SMD mounting (Surface Mounted Device) high production rate can be achieved. With SMD assembly, the components are on the side attached to the board on which they are mounted.
Ein Ausführungsbeispiel der vorliegenden Erfindung wird nachfolgend an Hand mehrer
Figuren beschrieben und näher erläutert. Es zeigen:
Bei herkömmlichen Spulen 1 wie in Figur 1 stellt sich das Problem, dass sich zwischen den Windungen 2 nach dem Wickeln Luftspalte bilden. Diese beeinträchtigen jedoch die elektromagnetischen Eigenschaften der Spule 1. Deshalb bestehen die Windungen 2 der erfindungsgemäßen Spule nach Figur 2 aus magnetischem Draht, wodurch die Windungen 2 ohne weitere Hilfsmittel zusammengehalten werden. Damit behält die Spule 1 nach dem Wickeln ihre endgültige Form und es entstehen keine Luftspalte wie in Figur 1. Gleichzeitig kann ein Montageautomat mit einem magnetischen Sensor an der je nach Länge und Größe der Spule 1 unterschiedlich starken und unterschiedlich gerichteten Magnetisierung zwischen verschiedenen Spulenbautypen unterscheiden. Um die Spule 1 für Hochfrequenzanwendungen zu optimieren, wird der magnetische Draht vor dem Wickeln mit einer Beschichtung 3 aus Gold, Silber, Kupfer oder einem anderen gut leitenden Material überzogen. In Figur 3 ist die erfindungsgemäße Spule 1 auf einer Platine 6 montiert. Die Spule steckt dabei mit ihren Anschlüssen in Bohrungen 4 der Platine und wird von der Unterseite z.B. durch ein Lötverfahren befestigt. In Figur 4 ist die Spule 1 dagegen auf der Oberseite ohne Bohrungen 4 in SMD-Technik befestigt. Dazu weist die Spule besonders gebogene Anschlussbeine 5 auf, welche auf der Platine 6 flächig befestigt werden.In conventional coils 1 as in Figure 1, the problem arises that between the Form windings 2 after winding air gaps. However, these affect the electromagnetic properties of the coil 1. Therefore, the turns 2 of the 2 coil of magnetic wire according to the invention, whereby the turns 2 are held together without further aids. This keeps the coil 1 after winding their final shape and there are no air gaps as in Figure 1. At the same time, an automatic assembly machine with a magnetic sensor can be attached to the Length and size of the coil 1 of different strengths and different directions Differentiate magnetization between different coil types. Around the coil 1 To optimize for high frequency applications, the magnetic wire is in front of the Wrap well with a coating 3 of gold, silver, copper or another conductive material coated. In Figure 3, the coil 1 according to the invention is on a Board 6 mounted. The coil is inserted with its connections in holes 4 Board and is from the bottom e.g. attached by a soldering process. In Figure 4 is the coil 1, however, attached to the top without holes 4 in SMD technology. To the coil has particularly curved connecting legs 5 which are flat on the circuit board 6 be attached.
Bei dem in Figur 5 gezeigten Montageverfahren werden die Spulen 1 mittels eines Elektromagneten vom Automaten ergriffen und auf der Platine 6 platziert, ausgerichtet und befestigt. Alternativ können die Spulen 1 wie in Figur 6 auch mittels Vakuum vom Automaten angesaugt werden und dann montiert werden.In the assembly method shown in Figure 5, the coils 1 are by means of a Electromagnets seized by the machine and placed on the board 6, aligned and attached. Alternatively, the coils 1, as in FIG Automats are sucked in and then assembled.
Claims (5)
dadurch gekennzeichnet, dass die Windungen (2) magnetisches Material enthalten.Air coil (1) with several turns (2),
characterized in that the turns (2) contain magnetic material.
dadurch gekennzeichnet, dass die Windungen (2) eine äußere Lage (3) zur Führung eines elektrischen Stroms und im Innern magnetisches Material enthalten.Coil (1) with several turns (2),
characterized in that the windings (2) contain an outer layer (3) for carrying an electrical current and magnetic material inside.
dadurch gekennzeichnet, dass die Spule (1) eine Luftspule für Hochfrequenzanwendungen ist und
dass die Windungen (2) der Luftspule mit einem Material (3) mit guten Hochfrequenzeigenschaften, insbesondere Kupfer, Gold oder Silber, beschichtet sind.Coil (1) according to claim 1,
characterized in that the coil (1) is an air coil for high frequency applications and
that the windings (2) of the air coil are coated with a material (3) with good high-frequency properties, in particular copper, gold or silver.
dadurch gekennzeichnet, dass Form und Richtung, in der die Spule (1) montiert wird, an der Art und dem Grad der Magnetisierung der Spule (1) erkennbar ist.Coil (1) according to claim 1 or 2,
characterized in that the shape and direction in which the coil (1) is mounted can be recognized by the type and degree of magnetization of the coil (1).
dadurch gekennzeichnet, dass die Spule (1) zur Montage auf einer Platine (6) mittels eines Montageautomaten, welcher durch elektromagnetische Kraft oder Vakuumkraft die Spule (1) greift und auf der Platine (6) platziert, vorgesehen ist.Coil (1) according to claim 1 or 2,
characterized in that the coil (1) is provided for mounting on a circuit board (6) by means of an automatic assembly machine which grips the coil (1) by electromagnetic force or vacuum force and places it on the circuit board (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10016974 | 2000-04-06 | ||
| DE10016974A DE10016974A1 (en) | 2000-04-06 | 2000-04-06 | Automated assembly coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1143461A1 true EP1143461A1 (en) | 2001-10-10 |
Family
ID=7637701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01000072A Withdrawn EP1143461A1 (en) | 2000-04-06 | 2001-03-28 | Automatically mounted coil |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6633219B2 (en) |
| EP (1) | EP1143461A1 (en) |
| JP (1) | JP2001358021A (en) |
| KR (1) | KR20010095333A (en) |
| CN (1) | CN1316750A (en) |
| DE (1) | DE10016974A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008036142A1 (en) * | 2006-06-26 | 2008-03-27 | Battelle Energy Alliance, Llc | Motor/generator |
| EP1970923A1 (en) * | 2005-11-14 | 2008-09-17 | Sumida Corporation | Power inductor |
| US7688036B2 (en) | 2006-06-26 | 2010-03-30 | Battelle Energy Alliance, Llc | System and method for storing energy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002095785A1 (en) * | 2001-05-23 | 2002-11-28 | The Board Of Trustees Of The University Of Illinois | Raised on-chip inductor and method of manufacturing same |
| JP5057259B2 (en) * | 2001-06-06 | 2012-10-24 | 小宮 邦文 | Coil filter and manufacturing method thereof |
| DE102005022927A1 (en) † | 2005-05-13 | 2006-11-16 | Würth Elektronik iBE GmbH | Electrical coil element produced by automatic assembly has coil wound onto a core with increased spacing between sections |
| US20090295520A1 (en) * | 2006-06-26 | 2009-12-03 | Battelle Energy Alliance, Llc | Magnetic structure |
| KR20090046790A (en) * | 2006-06-26 | 2009-05-11 | 배텔레 에너지 얼라이언스, 엘엘씨 | System and method for storing energy |
| US20100013345A1 (en) * | 2006-06-26 | 2010-01-21 | Battelle Energy Alliance, Llc | Bi-metal coil |
| DE102006034261A1 (en) * | 2006-07-18 | 2008-01-24 | Würth Elektronik eiSos Gmbh & Co. KG | Coplanar assembly |
| FR2906420B1 (en) * | 2006-09-27 | 2008-11-21 | Thales Sa | AGILE FILTER OF COMPACT POWER, IN PARTICULAR FOR RADIO COMMUNICATION SYSTEM AMPLIFICATION MODULE. |
| TWI319959B (en) * | 2006-11-29 | 2010-01-21 | Image transmission interface | |
| US20090256666A1 (en) * | 2008-04-14 | 2009-10-15 | Shieh Ming-Ming | Inductor and a coil thereof |
| CN103839661B (en) | 2014-03-12 | 2017-06-20 | 华为技术有限公司 | A kind of taper inductance, printed circuit board (PCB) and optical module |
| JP6428387B2 (en) * | 2015-03-06 | 2018-11-28 | 株式会社デンソー | Power converter |
| KR102400978B1 (en) * | 2015-09-30 | 2022-05-23 | 삼성전자주식회사 | Circuit board in power supply, electronic apparatus including the same and inductor |
| GB2553842B (en) | 2016-09-16 | 2021-04-07 | Drayson Tech Europe Ltd | Three dimensional coil and method of making the same for inductive power transfer systems |
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| DE3615308A1 (en) * | 1986-05-06 | 1987-12-17 | Huettlinger Johann Leonhard | Deformation of connecting wires of air-cored coils |
| JPH01276508A (en) * | 1988-04-27 | 1989-11-07 | Honda Motor Co Ltd | Electromagnetic coil conductive wire and electromagnetic coil |
| JPH0636937A (en) * | 1992-07-16 | 1994-02-10 | Tokin Corp | Inductor and its manufacture |
| DE9420283U1 (en) * | 1994-12-19 | 1995-03-30 | Hagn Erwin | Electrical component, in particular coil, preferably for SMD assembly technology |
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| US4402027A (en) * | 1981-08-18 | 1983-08-30 | Matsushita Electric Industrial Co., Ltd. | Magnetic transducer with built-in step-up transformer |
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| US5107366A (en) * | 1989-09-28 | 1992-04-21 | Nicolet Instrument Corporation | High efficiency electromagnetic coil apparatus and method |
| US6227450B1 (en) * | 1990-09-11 | 2001-05-08 | Metrologic Instruments, Inc. | Electronically-controlled mechanically-damped off-resonant light beam scanning mechanism and code symbol readers employing the same |
| US5221892A (en) * | 1991-10-04 | 1993-06-22 | Sullivan Richard A | Flux compression transformer |
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2000
- 2000-04-06 DE DE10016974A patent/DE10016974A1/en not_active Withdrawn
-
2001
- 2001-03-28 EP EP01000072A patent/EP1143461A1/en not_active Withdrawn
- 2001-04-03 CN CN01117889A patent/CN1316750A/en active Pending
- 2001-04-03 US US09/825,278 patent/US6633219B2/en not_active Expired - Fee Related
- 2001-04-04 JP JP2001105511A patent/JP2001358021A/en active Pending
- 2001-04-04 KR KR1020010018032A patent/KR20010095333A/en not_active Application Discontinuation
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| DE3615308A1 (en) * | 1986-05-06 | 1987-12-17 | Huettlinger Johann Leonhard | Deformation of connecting wires of air-cored coils |
| JPH01276508A (en) * | 1988-04-27 | 1989-11-07 | Honda Motor Co Ltd | Electromagnetic coil conductive wire and electromagnetic coil |
| JPH0636937A (en) * | 1992-07-16 | 1994-02-10 | Tokin Corp | Inductor and its manufacture |
| DE9420283U1 (en) * | 1994-12-19 | 1995-03-30 | Hagn Erwin | Electrical component, in particular coil, preferably for SMD assembly technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1970923A1 (en) * | 2005-11-14 | 2008-09-17 | Sumida Corporation | Power inductor |
| EP1970923A4 (en) * | 2005-11-14 | 2009-01-07 | Sumida Corp | Power inductor |
| WO2008036142A1 (en) * | 2006-06-26 | 2008-03-27 | Battelle Energy Alliance, Llc | Motor/generator |
| US7688036B2 (en) | 2006-06-26 | 2010-03-30 | Battelle Energy Alliance, Llc | System and method for storing energy |
Also Published As
| Publication number | Publication date |
|---|---|
| US20010033175A1 (en) | 2001-10-25 |
| CN1316750A (en) | 2001-10-10 |
| KR20010095333A (en) | 2001-11-03 |
| US6633219B2 (en) | 2003-10-14 |
| JP2001358021A (en) | 2001-12-26 |
| DE10016974A1 (en) | 2001-10-11 |
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