CN103140668A - Ignition coil with a reduced number of components - Google Patents
Ignition coil with a reduced number of components Download PDFInfo
- Publication number
- CN103140668A CN103140668A CN2011800478802A CN201180047880A CN103140668A CN 103140668 A CN103140668 A CN 103140668A CN 2011800478802 A CN2011800478802 A CN 2011800478802A CN 201180047880 A CN201180047880 A CN 201180047880A CN 103140668 A CN103140668 A CN 103140668A
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- CN
- China
- Prior art keywords
- winding
- coil
- zone
- chamber
- spark
- 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
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention relates to an ignition coil for an internal combustion engine, comprising a coil former (2) with a contact element (3) and a high-voltage outgoing line (5), and a winding (9) comprising a winding wire (10) which is arranged on the coil former (2), wherein the coil former (2) comprises a large number of coil chambers (21, 22, 23, 24, 25, 26), and wherein in each case one winding section (11, 12, 13, 14, 15, 16) of the winding (9) is arranged in a coil chamber, wherein the coil former (2) comprises a slot-like channel (4), which runs beneath at least one of the coil chambers, and wherein the winding wire (10) runs through the slot-like channel (4).
Description
Technical field
The present invention relates to the spark coil that has reduced number of components for internal-combustion engine.
Background technique
Spark coil is known with various configuration by prior art.For example by DE19850519A1 known a kind of spark coil, this spark coil be provided with one be used for electrical interference energy that damping occurs at the igniting process spark beyond the Great Wall remove to disturb element.Wherein go to disturb element spark coil axially on consist of inductance and consisted of by winding conducting wire at least in part.But this known spark coil is only applicable to excellent type spark coil and is not suitable for the compact type spark coil.Winding top on this now external known spark coil, be so-called cold side and winding end, be that so-called hot side respectively is connected on a wiring terminal of being done by metal and by the welding of a wire termination cover.Additionally go to disturb foundation that the high pressure between resistance contacts to need an additional contact disk for the wiring terminal of winding overhang with one.
Summary of the invention
The spark coil that is used for internal-combustion engine according to the feature with claim 1 according to the present invention has its advantage by contrast, and namely it has the number of components that has significantly reduced.Can reduce in addition the thermal and mechanical stress in spark coil according to the present invention.This operating life for spark coil plays active influence.It is realized in this wise according to the present invention: spark coil comprises a coil case and a winding that is made of winding conducting wire.Coil case comprises a passage, and this passage extends in the below of winding and imports therein the part of winding conducting wire.Can accomplish according to the present invention thus: winding conducting wire needn't be again be wound around in succession mode in order, and any one position of can leading by the passage in coil case.Therefore each winding section can be arranged in mode arbitrarily.Can make coil case optimization thus, especially the viewpoint from generating heat.
Dependent claims has shown preferred further configuration of the present invention.
Coil case preferably includes a plurality of coil chamber, and wherein each winding section of winding is arranged in a coil chamber.In the case passage extend in coil case at least one coil chamber below.Therefore winding conducting wire can be directed to by the passage in coil case any one coil chamber, and this coil chamber is no longer directly adjacent with a coil chamber that has just wound.
Winding preferably includes one, and the first winding is regional and second winding is regional, and they respectively comprise a plurality of winding sections.Wherein the first winding zone extends to the first Inside coil chamber from an outermost coil chamber on the first end zone of coil case.The second winding zone extends to the second Inside coil chamber from an outermost coil chamber on the second end zone of coil case.Wherein winding conducting wire extends to the outermost coil chamber in the second winding zone by being formed in passage coil case from the first Inside coil chamber in the first winding zone.
Coil case also preferably includes the coil chamber of an odd number.Can accomplish thus: especially between first and second winding zone, an interval can be arranged.Particularly preferably being in the case structure has one without the intermediate coil chamber of winding, so that can realize simple, a symmetrical structure of spark coil.
Coil chamber in the middle of passage also preferably starts from coil case.
When first and second winding zone respectively has three winding sections, can reach a special compact structure.Another preferred configuration spark coil according to the present invention also comprises the high pressure tap of an integral body, and this high pressure tap bolt shape ground is by projection on the excircle of coil case.Spark plug can be realized to the direct contact of high pressure tap by the combination on high pressure tap direct-on-line circle body, so that a wiring terminal, a lead end cover and an additional independent high pressure contact can be saved in the hot side of winding conducting wire.
The high pressure tap is preferably configured as one and removes to disturb element, and its mode is make winding conducting wire by last coil chamber's guiding high pressure tap and repeatedly be wound around around the high pressure tap.Can integrally consist of the high pressure tap of removing to disturb element with integral body thus on coil case.
The high pressure tap also preferably be arranged on be arranged in coil case vertically on zone line.Especially can use in the compact type spark coil according to coil case of the present invention thus.
Passage does not especially extend with longitudinal axis in coil case abreast.Namely in the projection on the plane of a longitudinal axis that comprises coil case, passage and this longitudinal axis intersect.Can guarantee that thus simply wearing of winding conducting wire lead.
Description of drawings
Describe one embodiment of the present of invention in detail hereinafter with reference to accompanying drawing.Represent in accompanying drawing:
Fig. 1: the summary side view according to an embodiment of the invention of spark coil, and
The sectional view of a summary of the spark coil of Fig. 2: Fig. 1.
Embodiment
Describe according to a preferred embodiment of the present invention spark coil 1 in detail hereinafter with reference to Fig. 1 and 2.
As by Fig. 1 and 2 appreciable, spark coil 1 comprises a coil case 2 with cylindrical base, consists of at least three, a plurality of coil chamber 21,22,23,24,25,26,27 for example in the outside of this coil case.The number of coil chamber is odd number.
This spark coil has a winding 9, and this winding comprises the 17 and second winding zone 18, the first winding zone, and wherein these two winding zones 17,18 for example respectively are arranged in the coil chamber 21,22,23,24,25,26 that separates.
The winding conducting wire of winding 9 extends to one towards the end in the second winding zone 18 from an end of carrying the second winding zone 18 in the first winding zone 17.Winding conducting wire also extends to one towards the end in the first winding zone 17 from an end of carrying the first winding zone 17 in the second winding zone 18.For example be provided with an intermediate coil chamber 27 between the 17 and second winding zone 18, the first winding zone, this intermediate coil chamber has a high pressure tap 5 and does not have the winding section.Winding conducting wire extends by a passage 4 on section ground at least the transition portion of the end of carrying the first winding zone 17 from the end in 17 towards second winding zones 18, the first winding zone to the second winding zone 18.This passage 4 for example is configured to the groove-shaped depression in coil case 2. Coil chamber 21,22,23,24,25,26 are limited by dividing plate in the axial direction.In order to make in winding conducting wire introduction channel 4, to pass to passage 4 notch-like dividing plate and extend.
The first winding zone 17 has at least one winding section 1,12,13 and the second winding zone 18 has at least one winding section 14,15,16, wherein each winding section 11 of winding 9,12,13,14,15,16 for example are arranged on an independent coil chamber 21, in 22,23,24,25,26.
Winding 9 can start from a contact member 3.Here winding 9 is wound around around pin-shaped contact member 3 multiplely.
As can directly being seen by Fig. 1 and 2, always three winding sections are summed up as a winding zone 17,18.Here the first winding zone 17 comprises that three winding sections 11,12,13 and the second winding zone 18 comprise three winding sections 14,15,16.Winding 9 is made in this wise in the case, is namely set out by contact member 3, and at first winding conducting wire 10 consists of winding section 11, then consists of winding section 12 and then consist of winding section 13 again and be imported in passage 4 by winding section 13.Winding conducting wire 10 is through coil chamber 24,25 in passage 4, is directed to the second end zone 28 below 26 and then first lays out winding section 14, then lays out winding section 15 and then lay out again winding section 16.Winding conducting wire 10 is directed to high pressure tap 5 in intermediate coil chamber 27 by winding section 16.
Winding conducting wire 10 is wound around repeatedly around a core 6 in high pressure tap 5, removes to disturb element to consist of one.Thus this to go to disturb element and high pressure tap 5 to consist of whole so that do not need to add remove to disturb resistance.Should point out, core 6 can have and the corresponding arbitrary shape of required application (length, short, wide, narrow); And winding conducting wire can around core be wound around arbitrary number, go to disturb the required number of turns for spark coil.
Therefore according to the present invention especially the number of components on the hot junction in the zone of high pressure tap 5 compared with prior art reduced significantly.Spark coil according to the present invention has the heat structure of an improvement in addition, because last winding section 16 is disposed in the centre of coil case 2.Especially can reduce thus the first end zone 28 of coil case and the temperature fall between the second end zone 29.Described winding 9 especially can consist of the inferior limit winding of spark coil in this embodiment.Also be particularly suitable for using in the compact type spark coil according to coil case of the present invention.
Should be pointed out that winding zone 17,18 also can be wrapped on coil case simply at a certain distance without coil chamber.
Claims (14)
1. be used for the spark coil of internal-combustion engine, comprise:
A coil case (2), and
A winding (9) that is consisted of by winding conducting wire (10), it is arranged on this coil case (2),
Wherein, this coil case (2) comprises a passage (4), and this passage extends in below this winding (9), and
This winding conducting wire (10) passes this passage (4) and extends.
2. according to claim 1 spark coil is characterized in that:
Described winding (9) comprises first a winding zone (17) and second a winding zone (18), and they respectively are arranged in coil chamber (21,22,23,24,25,26) separately,
Wherein, described winding conducting wire extends to one towards the end in the second winding zone (18) from an end of carrying the second winding zone (18) in the first winding zone (17), described winding conducting wire extends to one towards the end in the first winding zone (17) from an end of carrying the first winding zone (17) in the second winding zone (18), and
Wherein, passing through described passage (4) extension in section ground at least from winding conducting wire (10) described in the transition portion of the end in described the first winding zone towards the end in described the second winding zone to carrying of described the second winding zone (18) in described the first winding zone (17).
3. according to the spark coil of any one in above claim, it is characterized in that: described the first winding zone (17) comprises at least one winding section (11,12,13) and described the second winding zone (17) comprise at least one winding section (14,15,16), wherein, each winding section (11,12 of described winding (9), 13,14,15,16) be arranged on an independent coil chamber (21,22,23,24,25,26) in.
4. according to claim 3 spark coil, it is characterized in that: be provided with an intermediate coil chamber (27) between described the first winding zone (17) and described the second winding regional (18), this intermediate coil chamber has a high pressure tap (5) and does not have the winding section.
5. according to claim 1 spark coil, it is characterized in that: described coil case (2) comprises a plurality of coil chamber (21,22,23,24,25,26), each winding section (11,12 of described winding (9), 13,14,15,16) be arranged on a coil chamber (21,22,23,24,25,26) in.
6. according to claim 5 spark coil is characterized in that:
The winding (9) in described the first winding zone (17) comprises a plurality of winding sections (11,12,13) and second a winding zone (18) with a plurality of winding sections (14,15,16),
Wherein, extend to the first Inside coil chamber (23) at winding conducting wire described in described the first winding zone (17) from the outermost coil chamber (21) on the first end zone (28) of described coil case, extend to the second Inside coil chamber (26) at winding conducting wire described in described the second winding zone (18) from the outermost coil chamber (24) on the second end zone (29) of described coil case
Wherein, described winding conducting wire (10) extends to the described outermost coil chamber (24) in described the second winding zone (18) from the described first Inside coil chamber (23) in described the first winding zone (17) by described passage (4).
7. according to the spark coil of any one in above claim, it is characterized in that: be provided with odd number coil chamber (21,22,23,24,25,26,27).
8. according to claim 6 or 7 spark coil, it is characterized in that: described passage (4) starts from described intermediate coil chamber (27).
9. according to the spark coil of any one in above claim, it is characterized in that: described channels configuration becomes the depression of flute profile.
10. the spark coil of any one according to claim 3 to 9 is characterized in that: described first and second winding zone (17,18) respectively comprises three winding sections.
11. the spark coil according to any one in above claim is characterized in that: described high pressure tap (5) bolt shape ground is by projection on the excircle of described coil case (2).
12. the spark coil according to any one in above claim is characterized in that: remove to disturb element one of the upper structure of described high pressure tap (5), its mode is that the core (6) of described winding conducting wire (10) in described high pressure tap (5) repeatedly is wound around.
13. the spark coil according to any one in above claim is characterized in that: described high pressure tap (5) is arranged on the centre on vertical (X-X) of described coil case (2).
14. the spark coil according to any one in above claim, it is characterized in that: described passage (4) arranges in this wise, makes passage (4) described in the projection on the plane of a longitudinal axis (X-X) that comprises described coil case (2) and this longitudinal axis (X-X) of described coil case (2) intersect.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010041992 | 2010-10-05 | ||
| DE102010041992.3 | 2010-10-05 | ||
| DE102011082236.4 | 2011-09-07 | ||
| DE201110082236 DE102011082236A1 (en) | 2010-10-05 | 2011-09-07 | Ignition coil with reduced number of components |
| PCT/EP2011/066688 WO2012045605A1 (en) | 2010-10-05 | 2011-09-26 | Ignition coil with a reduced number of components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103140668A true CN103140668A (en) | 2013-06-05 |
| CN103140668B CN103140668B (en) | 2016-06-08 |
Family
ID=44674815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180047880.2A Expired - Fee Related CN103140668B (en) | 2010-10-05 | 2011-09-26 | Reduce the ignition coil of number of components |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2625421B1 (en) |
| CN (1) | CN103140668B (en) |
| BR (1) | BR112013007966A8 (en) |
| DE (1) | DE102011082236A1 (en) |
| WO (1) | WO2012045605A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324085A (en) * | 2016-08-30 | 2017-01-11 | 中国海洋石油总公司 | Pulse eddy current testing probe |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014212002B3 (en) * | 2014-06-23 | 2015-12-10 | Walter Seidl | Wechselspannungszündsystem |
| EP3131101A1 (en) * | 2015-08-12 | 2017-02-15 | Mahle International GmbH | Coil former for an electrical coil, electrical coil comprising such a coil former |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158407U (en) * | 1982-04-15 | 1983-10-22 | 阪神エレクトリツク株式会社 | Ignition coil split winding bobbin |
| JPS5937711U (en) * | 1982-09-03 | 1984-03-09 | 株式会社デンソー | High pressure bobbin for ignition coil |
| US5315280A (en) * | 1991-06-21 | 1994-05-24 | Motorola Lighting, Inc. | Bobbin for electrical windings |
| DE19850519A1 (en) * | 1998-11-03 | 2000-05-04 | Bosch Gmbh Robert | Ignition arrangement for internal combustion engine has noise suppression element as inductance that damps noise energy by AC impedance and is at least partly formed by winding wire |
| US20020145498A1 (en) * | 2001-04-04 | 2002-10-10 | Ming Yeh | Wire-winding structure and method for a transformer |
| JP2008277536A (en) * | 2007-04-27 | 2008-11-13 | Toyo Denso Co Ltd | Ignition coil |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008041799A (en) * | 2006-08-03 | 2008-02-21 | Hanshin Electric Co Ltd | Ignition coil for internal combustion engine |
| DE102006048901A1 (en) * | 2006-10-17 | 2008-07-17 | Robert Bosch Gmbh | Ignition coil, in particular for an internal combustion engine of a motor vehicle |
| DE102008040858A1 (en) * | 2008-07-30 | 2010-02-04 | Robert Bosch Gmbh | Ignition coil i.e. rod ignition coil, for use in constant voltage system of motor vehicle, has chamber walls laterally separate chambers, where ratio of length of chambers to wall thickness of walls lies in range between preset values |
-
2011
- 2011-09-07 DE DE201110082236 patent/DE102011082236A1/en not_active Withdrawn
- 2011-09-26 CN CN201180047880.2A patent/CN103140668B/en not_active Expired - Fee Related
- 2011-09-26 EP EP11760508.9A patent/EP2625421B1/en not_active Not-in-force
- 2011-09-26 BR BR112013007966A patent/BR112013007966A8/en not_active IP Right Cessation
- 2011-09-26 WO PCT/EP2011/066688 patent/WO2012045605A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158407U (en) * | 1982-04-15 | 1983-10-22 | 阪神エレクトリツク株式会社 | Ignition coil split winding bobbin |
| JPS5937711U (en) * | 1982-09-03 | 1984-03-09 | 株式会社デンソー | High pressure bobbin for ignition coil |
| US5315280A (en) * | 1991-06-21 | 1994-05-24 | Motorola Lighting, Inc. | Bobbin for electrical windings |
| DE19850519A1 (en) * | 1998-11-03 | 2000-05-04 | Bosch Gmbh Robert | Ignition arrangement for internal combustion engine has noise suppression element as inductance that damps noise energy by AC impedance and is at least partly formed by winding wire |
| US20020145498A1 (en) * | 2001-04-04 | 2002-10-10 | Ming Yeh | Wire-winding structure and method for a transformer |
| JP2008277536A (en) * | 2007-04-27 | 2008-11-13 | Toyo Denso Co Ltd | Ignition coil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324085A (en) * | 2016-08-30 | 2017-01-11 | 中国海洋石油总公司 | Pulse eddy current testing probe |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013007966A2 (en) | 2016-06-21 |
| CN103140668B (en) | 2016-06-08 |
| BR112013007966A8 (en) | 2016-10-25 |
| EP2625421A1 (en) | 2013-08-14 |
| WO2012045605A1 (en) | 2012-04-12 |
| DE102011082236A1 (en) | 2012-04-05 |
| EP2625421B1 (en) | 2014-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |