EP1058278A2 - Circuit magnétique bobine - Google Patents
Circuit magnétique bobine Download PDFInfo
- Publication number
- EP1058278A2 EP1058278A2 EP00810068A EP00810068A EP1058278A2 EP 1058278 A2 EP1058278 A2 EP 1058278A2 EP 00810068 A EP00810068 A EP 00810068A EP 00810068 A EP00810068 A EP 00810068A EP 1058278 A2 EP1058278 A2 EP 1058278A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- magnetic
- mandrel
- magnetic core
- magnetic circuit
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- 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
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
-
- 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
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53257—Means comprising hand-manipulatable implement
Definitions
- the present invention relates to a wound magnetic circuit and a method of manufacture of such a circuit.
- Wound magnetic circuits are used in many fields among which are current sensors and transformers. In applications such as current sensors, accuracy is closely related to the magnetic properties of the materials used and the precision of manufacturing. Achieving desired precision is often against the need reduce the manufacturing cost and reduce the size of the components.
- the angle ⁇ of the cone can be very small and have, for example, a value tan ⁇ between 0.001 and 0.01. The difference in coil diameter between the ends is thus negligible.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Coil Winding Methods And Apparatuses (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (12)
- Procédé de fabrication d'un circuit magnétique bobiné (1) ayant une bobine électrique (2) et un noyau magnétique (3) comportant les étapes de réaliser la bobine (2) en bobinant un fil conducteur (6) sur un mandrin (12) ayant une surface extérieure légèrement conique (14), d'enfiler la bobine (2) sur un noyau magnétique (3) en forme de spire ouverte ayant des extrémités (16, 16'), cette spire étant d'abord formée avant l'établissement des propriétés magnétiques spécifiées du matériau magnétique de la spire, et de déformer les extrémités (16, 16') du noyau magnétique dans une direction essentiellement orthogonale (O) au plan du circuit magnétique bobiné pour les rapprocher.
- Procédé selon la revendication 1, caractérisé en ce que la bobine (2) est enfilée sur le noyau magnétique (3) pendant l'enlèvement du mandrin (12).
- Procédé selon la revendication 2, caractérisé en ce qu'une extrémité (16) du noyau magnétique (3) est insérée dans une cavité (15) à une extrémité (13) du mandrin (12) pour faciliter l'enfilement de la bobine (2) sur le noyau magnétique (3).
- Procédé selon une des revendications précédentes, caractérisé en ce que, avant ou pendant l'opération du bobinage, on dispose un flasque (4) sur le mandrin (12) pour former une extrémité antérieure (19) de la bobine (2), cette extrémité étant destinée à être enfilée en premier sur le noyau magnétique (3).
- Circuit magnétique bobiné (1) comportant une bobine électrique (2) et un noyau magnétique (3), la bobine (2) comportant un fil conducteur (6), un flasque (4) et un connecteur (5), le flasque (4) et le connecteur (5) étant disposés, chacun, à une extrémité respective de la bobine (2), la bobine étant montée sur le noyau magnétique (3) formé d'un fil magnétique de forme torique.
- Circuit magnétique bobiné selon la revendication précédente, caractérisé en ce que la cavité intérieure (7) de la bobine (2) a une forme légèrement conique.
- Circuit magnétique bobiné selon l'une des revendications 5 ou 6, caractérisé en ce qu'il est fabriqué par un des procédés selon l'une des revendications 1 à 4.
- Dispositif pour la fabrication d'un circuit magnétique bobiné comportant une bobine (2) monté sur un noyau magnétique (3) de forme torique, le dispositif comportant un mandrin (12) autour duquel la bobine est formée, le mandrin comportant une surface extérieure (14) de forme légèrement conique.
- Dispositif selon la revendication précédente, caractérisé en ce que l'angle a du cône à une valeur tan α se situant entre 0, 001 et 0, 01.
- Dispositif selon la revendication 8 ou 9, caractérisé en ce que le mandrin (14) comporte une cavité (15) à son extrémité (13) pour permettre l'insertion de l'extrémité (16) du noyau magnétique (3) dans la cavité.
- Dispositif selon l'une des revendications 8 à 10, caractérisé en ce qu'il comporte un poussoir (20) ayant une course suffisante pour pousser la bobine (2) hors du mandrin (12).
- Dispositif selon la revendication 12, caractérisé en ce que le poussoir (20) a la forme d'une fourchette.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH105699 | 1999-06-04 | ||
CH105699 | 1999-06-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1058278A2 true EP1058278A2 (fr) | 2000-12-06 |
EP1058278A3 EP1058278A3 (fr) | 2000-12-13 |
EP1058278B1 EP1058278B1 (fr) | 2012-02-29 |
Family
ID=4201421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00810068A Expired - Lifetime EP1058278B1 (fr) | 1999-06-04 | 2000-01-25 | Circuit magnétique bobine |
Country Status (3)
Country | Link |
---|---|
US (2) | US6640419B2 (fr) |
EP (1) | EP1058278B1 (fr) |
JP (1) | JP3618638B2 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7653600B2 (en) * | 1997-05-30 | 2010-01-26 | Capital Security Systems, Inc. | Automated document cashing system |
EP1058278B1 (fr) * | 1999-06-04 | 2012-02-29 | Liaisons Electroniques-Mecaniques Lem S.A. | Circuit magnétique bobine |
US7555462B2 (en) * | 2001-04-12 | 2009-06-30 | International Business Machines Corporation | Method and apparatus for incorporating scanned checks into financial applications |
US7741945B2 (en) * | 2008-01-24 | 2010-06-22 | Abb Technology Ag | Dry-type transformer with improved terminal construction and mounting system therefor |
JP6085284B2 (ja) * | 2014-11-25 | 2017-02-22 | 株式会社エス・エッチ・ティ | 空芯コイル挿入装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4041415A1 (de) * | 1989-12-29 | 1991-07-04 | Aisin Aw Co | Spulenvorrichtung fuer elektromagnetische ventile |
EP0504503A1 (fr) * | 1991-03-22 | 1992-09-23 | KBE Elektrotechnik GmbH | Ensemble de conditionnement pour un rouleaux de câbles électriques en forme de cône tronqué |
EP0668596A1 (fr) * | 1994-02-16 | 1995-08-23 | Mecagis | Procédé de fabrication d'un bobinage sur un circuit magnétique torique |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1994534A (en) | 1932-04-23 | 1935-03-19 | Rca Corp | Inductance coil and method of manufacture thereof |
DE3067225D1 (en) * | 1979-12-26 | 1984-04-26 | Tokyo Shibaura Electric Co | Coil manufacturing apparatus |
JPS57120314A (en) | 1981-01-17 | 1982-07-27 | Hitachi Cable Ltd | Manufacture of doughnut type coil |
JPS59147415A (ja) | 1983-02-09 | 1984-08-23 | Hitachi Metals Ltd | 巻鉄心 |
US4639665A (en) | 1983-08-22 | 1987-01-27 | Borg-Warner Corporation | Sensing system for measuring a parameter |
US4616682A (en) * | 1984-01-13 | 1986-10-14 | U.S. Philips Corporation | Method of manufacturing helically wound filaments and filaments manufactured by means of this method |
JPS60152012A (ja) | 1984-01-19 | 1985-08-10 | Sharp Corp | トランス |
CH662000A5 (fr) | 1985-02-05 | 1987-08-31 | Lem Sa | Transformateur d'intensite pour courant continu et alternatif. |
WO1987004559A1 (fr) | 1986-01-15 | 1987-07-30 | American Light Corporation | Procede de fabrication d'enroulements toroidaux |
CH679527A5 (fr) | 1989-04-13 | 1992-02-28 | Lem Liaisons Electron Mec | |
US5172052A (en) | 1990-07-23 | 1992-12-15 | Iimorrow, Inc. | Current sensor assembly and method |
US5103163A (en) | 1990-10-17 | 1992-04-07 | California Institute Of Technology | Current transducer |
CH685892A5 (fr) | 1992-01-21 | 1995-10-31 | Lem S.A. | Procédé de montage d'une bobine électrique sur un circuit magnétique à entrefer |
FR2703467B1 (fr) | 1993-03-29 | 1995-06-30 | Mecagis | Capteur de courant à effet Hall à flux nul destiné en particulier aux véhicules automobiles et scooters électriques. |
GB9412310D0 (en) | 1994-06-20 | 1994-08-10 | Boc Group Plc | Recovery of substances from exhaust streams |
EP1058278B1 (fr) * | 1999-06-04 | 2012-02-29 | Liaisons Electroniques-Mecaniques Lem S.A. | Circuit magnétique bobine |
US6232863B1 (en) * | 2000-03-03 | 2001-05-15 | Delphi Technologies, Inc. | Spool assembly for an ignition coil |
JP2002057047A (ja) * | 2000-08-08 | 2002-02-22 | Minebea Co Ltd | コモンモードチョークコイル |
JP4186457B2 (ja) * | 2001-07-30 | 2008-11-26 | 富士ゼロックス株式会社 | 磁場発生用磁心、およびこれを用いた電子写真装置 |
US6762666B2 (en) * | 2002-05-07 | 2004-07-13 | Defond Manufacturing Limited | Toroidal core for a toroid |
-
2000
- 2000-01-25 EP EP00810068A patent/EP1058278B1/fr not_active Expired - Lifetime
- 2000-03-15 US US09/525,999 patent/US6640419B2/en not_active Expired - Lifetime
- 2000-05-15 JP JP2000142126A patent/JP3618638B2/ja not_active Expired - Fee Related
-
2003
- 2003-07-30 US US10/630,463 patent/US6987439B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4041415A1 (de) * | 1989-12-29 | 1991-07-04 | Aisin Aw Co | Spulenvorrichtung fuer elektromagnetische ventile |
EP0504503A1 (fr) * | 1991-03-22 | 1992-09-23 | KBE Elektrotechnik GmbH | Ensemble de conditionnement pour un rouleaux de câbles électriques en forme de cône tronqué |
EP0668596A1 (fr) * | 1994-02-16 | 1995-08-23 | Mecagis | Procédé de fabrication d'un bobinage sur un circuit magnétique torique |
Also Published As
Publication number | Publication date |
---|---|
US6987439B2 (en) | 2006-01-17 |
US20040021540A1 (en) | 2004-02-05 |
JP3618638B2 (ja) | 2005-02-09 |
US6640419B2 (en) | 2003-11-04 |
US20030115742A1 (en) | 2003-06-26 |
EP1058278A3 (fr) | 2000-12-13 |
EP1058278B1 (fr) | 2012-02-29 |
JP2000348960A (ja) | 2000-12-15 |
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