EP0917718A1 - Bobinage, notamment pour circuit haute tension de bobine d'allumage - Google Patents
Bobinage, notamment pour circuit haute tension de bobine d'allumageInfo
- Publication number
- EP0917718A1 EP0917718A1 EP97936737A EP97936737A EP0917718A1 EP 0917718 A1 EP0917718 A1 EP 0917718A1 EP 97936737 A EP97936737 A EP 97936737A EP 97936737 A EP97936737 A EP 97936737A EP 0917718 A1 EP0917718 A1 EP 0917718A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- length
- turn
- steps
- wire
- 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
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- 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
- H01F41/082—Devices for guiding or positioning the winding material on the former
- H01F41/086—Devices for guiding or positioning the winding material on the former in a special configuration on the former, e.g. orthocyclic coils or open mesh coils
-
- 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
- H01F27/2823—Wires
- H01F2027/2842—Wire coils wound in conical zigzag to reduce voltage between winding turns
Definitions
- the present invention relates to a winding, in particular for a high voltage ignition coil circuit.
- the spark plug terminals are connected to the ends of the secondary winding (high voltage) of a transformer such as an ignition coil, the primary winding of which is connected to a voltage source by through a switch such as a transistor.
- the invention firstly relates to a winding, in particular for a high-voltage ignition coil circuit, characterized in that it is formed, at least in part, of plies of wires substantially frustoconical contiguous to each other continuously.
- a winding according to the invention is therefore carried out on a reel without fin. It will be seen below that, thanks to the arrangement of the plies in truncated cones, according to the invention, the risks of sparking between the turns are considerably reduced.
- each ply is formed of a plurality of turns in series from at least one turn of smaller diameter up to at least one turn of larger diameter and vice versa.
- At least one ply is linked by its turn of smaller diameter to the turn of smaller diameter of one of the adjacent plies, and by its turn of larger diameter to the turn of larger diameter of the other adjacent tablecloth.
- the invention also relates to a method for producing a winding as described above, comprising the steps consisting in: a) winding a thread on a bobbin in a first direction and over a first length; b) continue to wind said wire in the other direction over a second length less than said first length; c) continue to wind said wire in the other direction over a third length greater than said second length, d) repeat steps b) and c) until the desired number of turns is obtained, each step b) being carried out on a length less than that of steps c) which frame it in the succession of steps. In a particular embodiment, all of the steps b) are carried out over the same length.
- all of the steps c) are carried out over the same length.
- FIG. 1 is a schematic representation of a first embodiment
- Figure 3 is a diagram of the embodiment of Figure 2.
- This bobbin has a cylindrical central part 2 and at least one frustoconical end part 3.
- the frustoconical part 3 is connected to the cylindrical part 2 by its base of small diameter.
- the wire 4 begins to be wound at the location of the connection between the parts 2 and 3.
- the winding continues on the part 3 towards the outside of the coil both axially and radially. This forms a first ply of son 5, frustoconical, applied to the part 3 of the bobbin.
- the winding continues radially and axially towards the inside of the bobbin to form a second ply 6, frustoconical, resting on the ply 5.
- the winding continues with a third frustoconical sheet 7 bearing on the sheet 6, and so on. It can therefore be seen that the layers 5, 6, 7, etc. are placed side by side in series.
- the ply 6 is connected to the ply 5 which precedes it by the turns of larger diameter of each of these plies.
- the ply 6 is connected to the ply 7 which follows it by the two turns of larger diameter of each of these two plies.
- FIG. 2 represents a winding mode which avoids the use of a bobbin with a frustoconical end.
- a conventional bobbin is used here comprising a cylindrical hub 8 and an end flange 9 perpendicular to the hub.
- the winding of the wire begins here at one of the axial ends of the hub 8, in contact with the flange 9.
- a first base layer 10 is wound from the flange 9 towards the center of the bobbin over a length L.
- the winding continues in the opposite direction, that is to say towards the flange 9, over a length less than L, ie L-di, to form a second layer which is interrupted before the flange 9.
- the winding resumes in the first direction, namely, towards the center of the winding to form over a length greater than L-di a third winding layer.
- This third layer, of length L-di + d2 therefore extends in the direction of the central part of the bobbin beyond the base layer and the first layer, and on this part of length d 2 is therefore in contact of the hub 10 of the bobbin.
- the maximum radial potential difference within the coil is equal to the potential difference between the last turn of the first layer and the first turn of the last layer in such a cross section. If we take the hypothesis of a coil of 18,300 turns for 40 kV of total potential difference,
- n 15 and that the maximum potential difference corresponds to that of 1365, turns being 3 kV for a difference potential between two layers of 380 V.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9609955 | 1996-08-07 | ||
FR9609955A FR2752328B1 (fr) | 1996-08-07 | 1996-08-07 | Bobinage, notamment pour circuit haute tension de bobine d'allumage |
PCT/FR1997/001450 WO1998006114A1 (fr) | 1996-08-07 | 1997-08-05 | Bobinage, notamment pour circuit haute tension de bobine d'allumage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0917718A1 true EP0917718A1 (fr) | 1999-05-26 |
EP0917718B1 EP0917718B1 (fr) | 2002-09-25 |
Family
ID=9494889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97936737A Expired - Lifetime EP0917718B1 (fr) | 1996-08-07 | 1997-08-05 | Procede de realisation d'un bobinage, notamment d'un bobinage pour circuit haute tension de bobine d'allumage |
Country Status (12)
Country | Link |
---|---|
US (1) | US6069549A (fr) |
EP (1) | EP0917718B1 (fr) |
JP (1) | JP2000515686A (fr) |
KR (1) | KR20000029807A (fr) |
AT (1) | ATE225078T1 (fr) |
AU (1) | AU3945097A (fr) |
BR (1) | BR9710803A (fr) |
DE (1) | DE69715877T2 (fr) |
EA (1) | EA001459B1 (fr) |
ES (1) | ES2183209T3 (fr) |
FR (1) | FR2752328B1 (fr) |
WO (1) | WO1998006114A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2822583B1 (fr) * | 2001-03-21 | 2003-06-20 | Sagem | Bobine d'allumage a rayonnement electromagnetiques reduit |
FR2822584B1 (fr) * | 2001-03-21 | 2003-06-20 | Sagem | Bobine d'allumage a rayonnement electromagnetique reduit |
US7295094B2 (en) * | 2002-04-12 | 2007-11-13 | Det International Holding Limited | Low profile magnetic element |
DE10344892A1 (de) * | 2003-09-26 | 2005-04-21 | Bosch Gmbh Robert | Zündspule für einen Ottomotor und Verfahren zu deren Herstellung |
JP3852778B2 (ja) * | 2004-02-18 | 2006-12-06 | スミダコーポレーション株式会社 | コイル、該コイルを用いたアンテナおよびトランス |
RU2547808C2 (ru) * | 2013-07-24 | 2015-04-10 | Открытое акционерное общество "ОКБ-Планета" ОАО "ОКБ-Планета" | Катушка индуктивности |
JP6631481B2 (ja) * | 2016-11-18 | 2020-01-15 | 株式会社村田製作所 | インダクタ部品 |
JP7218587B2 (ja) * | 2019-01-28 | 2023-02-07 | Tdk株式会社 | コイル部品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH90162A (de) * | 1919-06-30 | 1921-08-16 | Siemens Ag | Hochspannungswicklung für Hochspannungstransformatoren, die als Lagenwicklung derart ausgebildet ist, dass die achsialen Längen der durch isolierende Schichten voneinander getrennten Windungslagen auch nach aussen abgestuft sind. |
CH196451A (de) * | 1936-05-27 | 1938-03-15 | Jakob Bohli | Hochspannungsspule. |
US2256730A (en) * | 1940-08-29 | 1941-09-23 | Thayer Company | Drop front for carriages |
JPS60107813A (ja) * | 1983-11-17 | 1985-06-13 | Nippon Denso Co Ltd | 点火コイル |
DE3507732A1 (de) * | 1985-03-05 | 1986-09-18 | Dyckerhoff & Widmann AG, 8000 München | Zugglied fuer einen felsbolzen oder dergleichen |
US4794361A (en) * | 1988-03-10 | 1988-12-27 | General Motors Corporation | Coil winding method for maximum utilization of winding envelope |
JP2727461B2 (ja) * | 1988-12-02 | 1998-03-11 | 株式会社キジマ | 電気巻線部品の巻線方法 |
US5124681A (en) * | 1991-04-26 | 1992-06-23 | Delta Electronics, Inc. | Winding construction for a transformer |
FR2677802B1 (fr) * | 1991-06-14 | 1994-09-09 | Alsthom Gec | Bobinage electrique et son procede d'enroulement. |
EP0750324B1 (fr) * | 1995-06-19 | 2000-10-25 | Denso Corporation | Bobine électromagnétique |
-
1996
- 1996-08-07 FR FR9609955A patent/FR2752328B1/fr not_active Expired - Lifetime
-
1997
- 1997-08-05 DE DE69715877T patent/DE69715877T2/de not_active Expired - Lifetime
- 1997-08-05 AT AT97936737T patent/ATE225078T1/de not_active IP Right Cessation
- 1997-08-05 BR BR9710803-0A patent/BR9710803A/pt not_active IP Right Cessation
- 1997-08-05 ES ES97936737T patent/ES2183209T3/es not_active Expired - Lifetime
- 1997-08-05 WO PCT/FR1997/001450 patent/WO1998006114A1/fr active IP Right Grant
- 1997-08-05 KR KR1019997000943A patent/KR20000029807A/ko not_active Application Discontinuation
- 1997-08-05 US US09/147,588 patent/US6069549A/en not_active Expired - Lifetime
- 1997-08-05 EA EA199900188A patent/EA001459B1/ru not_active IP Right Cessation
- 1997-08-05 EP EP97936737A patent/EP0917718B1/fr not_active Expired - Lifetime
- 1997-08-05 AU AU39450/97A patent/AU3945097A/en not_active Abandoned
- 1997-08-05 JP JP10507685A patent/JP2000515686A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9806114A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998006114A1 (fr) | 1998-02-12 |
US6069549A (en) | 2000-05-30 |
EA199900188A1 (ru) | 1999-06-24 |
ATE225078T1 (de) | 2002-10-15 |
FR2752328B1 (fr) | 1998-10-09 |
DE69715877T2 (de) | 2003-05-22 |
DE69715877D1 (de) | 2002-10-31 |
FR2752328A1 (fr) | 1998-02-13 |
EA001459B1 (ru) | 2001-04-23 |
ES2183209T3 (es) | 2003-03-16 |
AU3945097A (en) | 1998-02-25 |
JP2000515686A (ja) | 2000-11-21 |
EP0917718B1 (fr) | 2002-09-25 |
BR9710803A (pt) | 2005-06-28 |
KR20000029807A (ko) | 2000-05-25 |
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