EP2625421A1 - Zündspule mit reduzierter bauteileanzahl - Google Patents
Zündspule mit reduzierter bauteileanzahlInfo
- Publication number
- EP2625421A1 EP2625421A1 EP11760508.9A EP11760508A EP2625421A1 EP 2625421 A1 EP2625421 A1 EP 2625421A1 EP 11760508 A EP11760508 A EP 11760508A EP 2625421 A1 EP2625421 A1 EP 2625421A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- bobbin
- ignition coil
- channel
- coil according
- 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
- 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
- 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
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
- H01F2005/022—Coils wound on non-magnetic supports, e.g. formers wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications
Definitions
- the present invention relates to an ignition coil for an internal combustion engine with a reduced number of components.
- an ignition coil which has a suppression element for damping the electrical interference energy which occurs during ignition of the spark plug.
- the suppression element is designed as an inductance in the axial direction of the ignition coil and is at least partially formed from the winding wire.
- this known ignition coil is suitable only for pencil ignition coils and not for Kompaktzündspulen.
- a winding start, the so-called cold side, and a winding end, the so-called hot side each connected to a Anbindepfosten of metal and welded by means of a ferrule.
- an additional contact plate is needed for the production of a high voltage contact between the Anbindepfosten at the coil end and a suppression resistor.
- the ignition coil according to the invention for an internal combustion engine with the
- thermo-mechanical stresses in the ignition coil can be reduced. This has a positive effect on the service life of the ignition coil. According to the invention this is achieved in that the ignition coil from a bobbin and a coil a winding wire comprises.
- the bobbin includes a channel which extends below the Wcklung and in which a part of the winding wire is guided. This makes it possible according to the invention that the Wcklungsdraht no longer needs to be wound in succession, but can be guided through the channel in the bobbin to any position. Individual winding sections can thus in any way
- the bobbin comprises a plurality of coil chambers, wherein in each case one winding section of the winding is arranged in a coil chamber.
- the channel runs in the bobbin below at least one of the coil chambers.
- Spool be performed to any bobbin, which is no longer immediately adjacent to a newly wound bobbin.
- the package comprises a first and a second
- Winding area each comprising a plurality of winding sections.
- the first Waklungs Scheme extends from an outermost coil chamber at a first end portion of the bobbin to a first inner
- the second area of descent extends from one extreme
- the spooling wire runs from the first inner spool chamber of the first spotting area through the channel formed in the spool body to the outermost spotting chamber of the second winding area.
- the bobbin comprises an odd number of
- Coil chambers This makes it possible that in particular a distance between the first and second Wcklungs Hoch is possible.
- a middle coil chamber without winding is particularly preferably formed, so that a simple, symmetrical design of the ignition coil is possible. More preferably, the channel begins in the bobbin at the middle
- the ignition coil further comprises an integral high-voltage outlet which projects in a pin-like manner from an outer circumference of the bobbin.
- the integration of the high voltage output directly to the bobbin direct contact of a spark plug can be done on the high voltage outlet, so that on the hot side of the Wcklungsdrahts on a Anbindepfosten, a
- Wire end ferrule and an additional separate high voltage contact part can be omitted.
- the high voltage output is designed as a suppression element, in which the Wcklungsdraht from the last coil chamber for
- High voltage output is wound around.
- a high-voltage outlet with integrated suppressor element can be integrally formed on the bobbin.
- the high-voltage outlet is arranged on a lying in the longitudinal direction of the bobbin central region.
- the bobbin according to the invention can be used in particular in Kompaktzündspulen.
- the channel in the bobbin is not parallel to a longitudinal axis of the bobbin. That is to say, in a projection into a plane comprising the longitudinal axis of the bobbin, the channel intersects the longitudinal axis. As a result, a simpler guidance of the Waklungsdrahts be ensured.
- FIG. 1 shows a schematic side view of an ignition coil according to an embodiment of the invention
- Figure 2 is a schematic sectional view of the ignition coil of Figure 1.
- the ignition coil 1 comprises a coil body 2 with a cylindrical base region, on the outside of which at least three, for example a plurality of coil chambers 21, 22, 23, 24,
- the ignition coil has a Wcklung 9, which comprises a first Wcklungs Scheme 17 and a second winding region 18, wherein the two
- the winding wire of the winding 9 extends from an end facing away from the second heat-sealing region 17 to an end facing the second winding region 17.
- the Wcklungsdraht continues to run in the second winding region 18 of the first winding region 17 facing away from the first Wcklungs Scheme 17 end facing.
- a middle coil chamber 27 which has a high-voltage outlet 5 and no cooling section, is provided between the first heat-dissipating area 17 and the second winding area 18.
- the channel 4 is formed for example as a groove-shaped recess in the bobbin 2.
- the coil chambers 21, 22,23,24,25,26 are in the axial direction of
- the Wcklungsdraht inserted into the channel 4 can be, runs the channel 4 slit through the dividing walls therethrough.
- the first winding region 17 has at least one winding section 1 1, 12, 13 and the second winding section 17 at least one winding section 14, 15, 16, wherein each winding section 1 1, 12, 13, 14, 15, 16 of the winding 9, for example, in a separate Spool chamber 21, 22, 23, 24, 25, 26 is arranged.
- the Wcklung 9 can begin at a contact element 3.
- the Wcklung 9 is several times wrapped around the pin-like contact element 3.
- the winding 9 is made of a relatively thin spiked wire, preferably copper.
- the Wcklung 9 includes, for example, a plurality of winding sections 11, 12, 13, 14, 15, 16.
- the ignition coil 1 comprises the high-voltage outlet 5. Due to the odd number of coil chambers, the high-voltage outlet 5 can be arranged on the middle coil chamber 27, so that a symmetrical structure is achieved. At the middle bobbin 27, no winding section is formed.
- the bobbin 1 comprises a first end portion 28 and a second end portion 29.
- the channel 4 is provided, which starts at the middle bobbin 27 and under the three
- Spool chambers 24, 25, 26 is guided and ends at the second end portion 29 of the bobbin 2.
- the high-voltage outlet 5 is arranged in the longitudinal direction X-X of the bobbin 2 in the central region. Further, the channel 4 is formed such that in a projection on a plane which comprises the longitudinal axis X-X of the bobbin 2, the channel 4 intersects the longitudinal axis X-X.
- the first winding region 17 comprises the three Wcklungsabête 11, 12, 13 and the second winding region 18 includes the three Wcklungsabroughe 14, 15, 16.
- the Wcklung 9 is designed such that, starting from the contact element 3, the winding wire 10 first, the winding section 1 1, then the winding section 12 and then the Wcklungsabêt 13 forms and from the winding section 13 is guided in the channel 4.
- the spooling wire 10 is wound around a core 6 several times to form a suppression element. So that's it
- the core 6 may have any shape, according to a desired application (long, short, wide, narrow), and that the winding wire in any number of windings, which are required for the suppression of the ignition coil, around the core can be wrapped around.
- the number of components, in particular at the hot end in the region of the high-voltage outlet 5, can be significantly reduced in comparison with the prior art. Furthermore, the inventive
- Winding portion 16 is disposed near the center of the bobbin 2.
- the Wcklung 9 described in the embodiment is designed in particular as a secondary winding of the ignition coil.
- the bobbin according to the invention is also particularly suitable for use in
- winding sections 17, 18 also without
- Spool chambers can be easily wound on the bobbin with a certain distance.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010041992 | 2010-10-05 | ||
DE201110082236 DE102011082236A1 (de) | 2010-10-05 | 2011-09-07 | Zündspule mit reduzierter Bauteileanzahl |
PCT/EP2011/066688 WO2012045605A1 (de) | 2010-10-05 | 2011-09-26 | Zündspule mit reduzierter bauteileanzahl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2625421A1 true EP2625421A1 (de) | 2013-08-14 |
EP2625421B1 EP2625421B1 (de) | 2014-08-06 |
Family
ID=44674815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11760508.9A Not-in-force EP2625421B1 (de) | 2010-10-05 | 2011-09-26 | Zündspule mit reduzierter bauteileanzahl |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2625421B1 (de) |
CN (1) | CN103140668B (de) |
BR (1) | BR112013007966A8 (de) |
DE (1) | DE102011082236A1 (de) |
WO (1) | WO2012045605A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014212002B3 (de) * | 2014-06-23 | 2015-12-10 | Walter Seidl | Wechselspannungszündsystem |
EP3131101A1 (de) * | 2015-08-12 | 2017-02-15 | Mahle International GmbH | Spulenkörper für eine elektrische spule, elektrische spule mit solch einem spulenkörper |
CN106324085A (zh) * | 2016-08-30 | 2017-01-11 | 中国海洋石油总公司 | 一种脉冲涡流检测探头 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158407U (ja) * | 1982-04-15 | 1983-10-22 | 阪神エレクトリツク株式会社 | 点火コイルの分割巻線型ボビン |
JPS5937711U (ja) * | 1982-09-03 | 1984-03-09 | 株式会社デンソー | 点火コイル用高圧ボビン |
US5315280A (en) * | 1991-06-21 | 1994-05-24 | Motorola Lighting, Inc. | Bobbin for electrical windings |
DE19850519A1 (de) | 1998-11-03 | 2000-05-04 | Bosch Gmbh Robert | Zündvorrichtung für eine Brennkraftmaschine |
TW498361B (en) * | 2001-04-04 | 2002-08-11 | Delta Electronics Inc | Winding structure and method of transformer |
JP2008041799A (ja) * | 2006-08-03 | 2008-02-21 | Hanshin Electric Co Ltd | 内燃機関用点火コイル |
DE102006048901A1 (de) * | 2006-10-17 | 2008-07-17 | Robert Bosch Gmbh | Zündspule, insbesondere für eine Brennkraftmaschine eines Kraftfahrzeuges |
JP4860543B2 (ja) * | 2007-04-27 | 2012-01-25 | 東洋電装株式会社 | 点火コイル |
DE102008040858A1 (de) * | 2008-07-30 | 2010-02-04 | Robert Bosch Gmbh | Zündspule |
-
2011
- 2011-09-07 DE DE201110082236 patent/DE102011082236A1/de not_active Withdrawn
- 2011-09-26 EP EP11760508.9A patent/EP2625421B1/de not_active Not-in-force
- 2011-09-26 CN CN201180047880.2A patent/CN103140668B/zh not_active Expired - Fee Related
- 2011-09-26 WO PCT/EP2011/066688 patent/WO2012045605A1/de active Application Filing
- 2011-09-26 BR BR112013007966A patent/BR112013007966A8/pt not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2012045605A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103140668B (zh) | 2016-06-08 |
BR112013007966A8 (pt) | 2016-10-25 |
BR112013007966A2 (pt) | 2016-06-21 |
WO2012045605A1 (de) | 2012-04-12 |
EP2625421B1 (de) | 2014-08-06 |
CN103140668A (zh) | 2013-06-05 |
DE102011082236A1 (de) | 2012-04-05 |
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