CN103140668B - Reduce the ignition coil of number of components - Google Patents
Reduce the ignition coil of number of components Download PDFInfo
- Publication number
- CN103140668B CN103140668B CN201180047880.2A CN201180047880A CN103140668B CN 103140668 B CN103140668 B CN 103140668B CN 201180047880 A CN201180047880 A CN 201180047880A CN 103140668 B CN103140668 B CN 103140668B
- Authority
- CN
- China
- Prior art keywords
- winding
- coil
- winding area
- area
- conducting 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.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 141
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The present invention relates to the ignition coil for internal combustion engine, it includes a coil case (2) and a winding (9) being made up of winding conducting wire (10), this coil case has contact element (3) and high-voltage tap (5), this winding is arranged on this coil case (2), wherein, described coil case (2) includes multiple coil chamber (21, 22, 23, 24, 25, 26), each winding sectors (11 of described winding (9), 12, 13, 14, 15, 16) it is arranged in a coil chamber, this coil case (2) includes the passage (4) of a gap-like, this passage extends in the lower section of at least one in described coil chamber, this winding conducting wire (10) extends through the passage (4) of this gap-like.
Description
Technical field
The present invention relates to the ignition coil reducing number of components for internal combustion engine.
Background technology
Ignition coil is known with various different configurations by prior art. Such as by the known a kind of ignition coil of DE19850519A1, this ignition coil is provided with one and goes interfering component for what damp electrical interference energy that spark in ignition process occurs beyond the Great Wall. Interfering component is wherein gone at the axially composition inductance of ignition coil and to be made up of winding conducting wire at least in part. But this known ignition coil is only applicable to rod type ignition coil and is not suitable for compact ignition coil. On this now external known ignition coil, winding top, i.e. so-called cold side and winding end, i.e. so-called hot side are respectively connected on a binding post made by metal and by a wire termination set welding. Additionally the setting up of high pressure contact between interference resistance is gone to need an additional contact chip for the binding post of winding overhang and one.
Summary of the invention
The ignition coil for internal combustion engine according to the present invention has its advantage by contrast, and namely it has the number of components significantly reduced. The thermal and mechanical stress in ignition coil can be reduced further according to the present invention. This plays active influence for the working life of ignition coil. According to the present invention, it realizes in this wise: ignition coil includes a coil case and a winding being made up of winding conducting wire. Coil case includes a passage, and this passage extends in the lower section of winding and imports a part for winding conducting wire wherein. Can accomplish thus according to the present invention: winding conducting wire need not again by order in succession in the way of be wound around, and can be led any one position by the passage in coil case. Therefore each winding sectors can be arranged in an arbitrary manner. Thus can make coil case optimization, especially from the viewpoint of heating.
Dependent claims indicates the preferred configuration further of the present invention.
Coil case preferably includes multiple coil chamber, and wherein each winding sectors of winding is arranged in a coil chamber. Passage extends in the lower section of at least one coil chamber in coil case in the case. Therefore winding conducting wire can be directed to any one coil chamber by the passage in coil case, and this coil chamber is no longer directly adjacent with the coil chamber that has just wound.
Winding preferably includes first winding area and second winding area, and they respectively include multiple winding sectors. Wherein the first winding area extends to the first Inside coil room from an outermost coil chamber the first end region of coil case. Second winding area extends to the second Inside coil room from an outermost coil chamber the second end region of coil case. Wherein winding conducting wire extends to the outermost coil chamber of the second winding area from the first Inside coil room of the first winding area by the passage being formed in coil case.
Coil case preferably includes the coil chamber of an odd number. Thus can accomplish: especially can have an interval between first and second winding area. Simple a, symmetrical structure of ignition coil it particularly preferably is structure in the case and has an intermediate coil room without winding, so that can be realized.
Passage preferably starts from the coil chamber of centre in coil case.
When first and second winding area respectively has three winding sectors, a particularly compact structure can be reached. Another preferred configuration ignition coil according to the present invention also includes an overall high-voltage tap, and this high-voltage tap bolt shape ground is by the excircle projection of coil case. A binding post, a conductor wire end set and an additional independent high voltage contacts spark plug direct contact to high-voltage tap can be realized, so that can be saved in the hot side of winding conducting wire by the combination on high-voltage tap direct-on-line circle body.
High-voltage tap is preferably configured as one and goes interfering component, and its mode is to make winding conducting wire by last coil chamber's guiding high-voltage tap and be wound around in multiple times around high-voltage tap. Thus integrally can constitute one on coil case with the overall high-voltage tap going interfering component.
High-voltage tap is preferably arranged on the zone line in the longitudinal direction being arranged in coil case. Coil case thus according to the present invention is especially usable in compact ignition coil.
Passage does not especially extend parallel to longitudinal axis in coil case. Namely passage projection in the plane of a longitudinal axis including coil case is intersected with this longitudinal axis. Thus can ensure simply rethreading of winding conducting wire.
Accompanying drawing explanation
One embodiment of the present of invention is described in detail hereinafter with reference to accompanying drawing. Accompanying drawing represents:
Fig. 1: the schematic side perspective view according to an embodiment of the invention of ignition coil, and
The sectional view of one summary of the ignition coil of Fig. 2: Fig. 1.
Detailed description of the invention
Ignition coil 1 according to a preferred embodiment of the present invention is described in detail hereinafter with reference to Fig. 1 and 2.
As appreciable by Fig. 1 and 2, ignition coil 1 includes a coil case 2 with cylindrical base, constitutes at least three, such as multiple coil chamber 21,22,23,24,25,26,27 in the outside of this coil case. The number of coil chamber is odd number.
This ignition coil has a winding 9, and this winding includes the first winding area 17 and the second winding area 18, and wherein the two winding area 17,18 is such as respectively arranged in the coil chamber 21,22,23,24,25,26 separated.
The winding conducting wire of winding 9 extends to an end towards the second winding area 18 from an end carrying the second winding area 18 in the first winding area 17. Winding conducting wire also extends to an end towards the first winding area 17 from an end carrying the first winding area 17 in the second winding area 18. Such as being provided with an intermediate coil room 27 between the first winding area 17 and the second winding area 18, this intermediate coil room has a high-voltage tap 5 and does not have winding sectors. Extended by a passage 4 in carry the transition portion of end of the first winding area 17 towards the end of the second winding area 18 to the second winding area 18 from the first winding area 17 winding conducting wire at least section. This passage 4 is such as configured to the groove-shaped depression in coil case 2. Coil chamber 21,22,23,24,25,26 is limited by dividing plate in the axial direction. In order to be able to make in winding conducting wire introduction channel 4, passage 4 notch-like ground extends through dividing plate.
First winding area 17 has at least one winding sectors 1,12,13 and the second winding area 18 and has at least one winding sectors 14, and 15,16, wherein each winding sectors 11 of winding 9,12,13,14,15,16 are such as arranged on an independent coil chamber 21, in 22,23,24,25,26.
Winding 9 can begin at a contact element 3. Here winding important place more than 9 is wound around around pin-shaped contact element 3.
Winding 9 is by the winding conducting wire of a relative thin, be especially made up of copper cash. Winding 9 such as includes multiple winding sectors 11,12,13,14,15,16. In addition ignition coil 1 also includes high-voltage tap 5. Owing to the odd number high-voltage tap of coil chamber just may be provided on intermediate coil room 7, so that a symmetrical structure can be reached. On intermediate coil room 27, non-structure has winding sectors.
Coil case 2 includes a first end region 28 and a second end region 29. Being additionally provided with passage 4 in coil case 2, this passage starts from intermediate coil room 27 and on the second end region 29 passing beneath and terminating in coil case 2 of three coil chamber 24,25,26. High-voltage tap 5 is arranged in the zone line on longitudinal X-X of coil case 2. This outer tunnel 4 is so constituted, and namely the passage 4 projection in the plane of a longitudinal axis X-X including coil case 2 is intersected with this longitudinal axis X-X.
As being immediately seen by Fig. 1 and 2, always three winding sectors are attributed to a winding area 17,18. Here the first winding area 17 includes three winding sectors 11,12,13 and the second winding area 18 and includes three winding sectors 14,15,16. Winding 9 is made in this wise in the case, and namely by contact element 3, first winding conducting wire 10 constitutes winding sectors 11, then composition winding sectors 12 and followed by constituting winding sectors 13 and being imported in passage 4 by winding sectors 13. Passage 4 is directed to below winding conducting wire 10 coils room 24,25,26 the second end region 28 and then first lays out winding sectors 14, then lay out winding sectors 15 and followed by laying out winding sectors 16. Winding conducting wire 10 is directed to the high-voltage tap 5 in intermediate coil room 27 by winding sectors 16.
On high-voltage tap 5, winding conducting wire 10 is wound around repeatedly around a core 6, goes interfering component constituting one. Thus this goes interfering component and high-voltage tap 5 to constitute entirety, so that need not add removes interference resistance. It is noted that core 6 can have arbitrary shape corresponding with required application (long, short, wide, narrow); And winding conducting wire can be wound around the number of turns any number of, go interference required for ignition coil around core.
Therefore compared with prior art significantly reduce according to the number of components in the present invention especially hot junction in the region of high-voltage tap 5. Ignition coil further according to the present invention has a heat structure improved, because last winding sectors 16 is disposed in the centre of coil case 2. Thus especially can reduce the temperature fall between the first end region 28 of coil case and the second end region 29. Winding 9 described in this embodiment especially may make up the secondary limit winding of ignition coil. Coil case according to the present invention is also particularly suitable for being used in compact ignition coil.
It should be pointed out that, that winding area 17,18 also can be wrapped on coil case without coil chamber simply at a certain distance.
Claims (11)
1. for the ignition coil of internal combustion engine, including:
One coil case (2), and
The winding (9) that one is made up of winding conducting wire (10), it is arranged on this coil case (2),
Wherein, this coil case (2) includes a passage (4), and this passage extends in this winding (9) lower section, and
This winding conducting wire (10) extends through this passage (4),
Wherein, described winding (9) includes first winding area (17) and second winding area (18), and they are respectively arranged in coil chamber (21,22,23,24,25,26) separately,
It is characterized in that,
Described winding conducting wire extends to an end towards the second winding area (18) from an end carrying the second winding area (18) in the first winding area (17), described winding conducting wire extends to an end towards the first winding area (17) from an end carrying the first winding area (17) in the second winding area (18), and
Wherein, being extended by described passage (4) towards the end of described second winding area to the ground of winding conducting wire (10) at least section described in the transition portion of the end carrying described first winding area of described second winding area (18) from described first winding area (17)
Wherein, described first winding area (17) includes at least one winding sectors (11,12,13) and described second winding area (17) includes at least one winding sectors (14,15,16), wherein, each winding sectors (11,12,13 of described winding (9), 14,15,16) an independent coil chamber (21 it is arranged on, 22,23,24,25,26) in
Wherein, being provided with an intermediate coil room (27) between described first winding area (17) and described second winding area (18), this intermediate coil room has a high-voltage tap (5) and does not have winding sectors.
2. ignition coil according to claim 1, it is characterised in that: described coil case (2) includes multiple coil chamber (21,22,23,24,25,26), each winding sectors (11,12 of described winding (9), 13,14,15,16) coil chamber (21,22,23 it is arranged on, 24,25,26) in.
3. ignition coil according to claim 2, it is characterised in that:
The winding (9) of described first winding area (17) includes multiple winding sectors (11,12,13) and second winding area (18) with multiple winding sectors (14,15,16),
Wherein, described in described first winding area (17), winding conducting wire extends to the first Inside coil room (23) from an outermost coil chamber (21) the first end region (28) of described coil case, described in described second winding area (18), winding conducting wire extends to the second Inside coil room (26) from an outermost coil chamber (24) the second end region (29) of described coil case
Wherein, described winding conducting wire (10) extends to the described outermost coil chamber (24) of described second winding area (18) from the described first Inside coil room (23) of described first winding area (17) by described passage (4).
4. the ignition coil any one of claims 1 to 3, it is characterised in that: it is provided with odd number coil chamber (21,22,23,24,25,26,27).
5. ignition coil according to claim 3, it is characterised in that: described passage (4) starts from described intermediate coil room (27).
6. the ignition coil any one of claims 1 to 3, it is characterised in that: described passage is configured to the depression of flute profile.
7. the ignition coil any one of claims 1 to 3, it is characterised in that: described first and second winding area (17,18) respectively includes three winding sectors.
8. the ignition coil any one of claims 1 to 3, it is characterised in that: described high-voltage tap (5) bolt shape ground is by the excircle projection of described coil case (2).
9. the ignition coil any one of claims 1 to 3, it is characterized in that: going interfering component the upper structure of described high-voltage tap (5), its mode is that the described winding conducting wire (10) core (6) on described high-voltage tap (5) is wound around in multiple times.
10. the ignition coil any one of claims 1 to 3, it is characterised in that: described high-voltage tap (5) is arranged on the centre in the longitudinal direction (X-X) of described coil case (2).
11. the ignition coil any one of claims 1 to 3, it is characterized in that: described passage (4) is arranged in this wise so that the described passage (4) projection in the plane of a longitudinal axis (X-X) including described coil case (2) is intersected with this longitudinal axis (X-X) of described coil case (2).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010041992.3 | 2010-10-05 | ||
| DE102010041992 | 2010-10-05 | ||
| DE201110082236 DE102011082236A1 (en) | 2010-10-05 | 2011-09-07 | Ignition coil with reduced number of components |
| DE102011082236.4 | 2011-09-07 | ||
| 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 CN103140668A (en) | 2013-06-05 |
| CN103140668B true 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) |
Families Citing this family (3)
| 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 |
| CN106324085A (en) * | 2016-08-30 | 2017-01-11 | 中国海洋石油总公司 | Pulse eddy current testing probe |
Citations (5)
| 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 |
| JP2008277536A (en) * | 2007-04-27 | 2008-11-13 | Toyo Denso Co Ltd | Ignition coil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW498361B (en) * | 2001-04-04 | 2002-08-11 | Delta Electronics Inc | Winding structure and method of transformer |
| 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 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 CN CN201180047880.2A patent/CN103140668B/en not_active Expired - Fee Related
- 2011-09-26 WO PCT/EP2011/066688 patent/WO2012045605A1/en active Application Filing
Patent Citations (5)
| 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 |
| JP2008277536A (en) * | 2007-04-27 | 2008-11-13 | Toyo Denso Co Ltd | Ignition coil |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013007966A2 (en) | 2016-06-21 |
| DE102011082236A1 (en) | 2012-04-05 |
| WO2012045605A1 (en) | 2012-04-12 |
| BR112013007966A8 (en) | 2016-10-25 |
| EP2625421A1 (en) | 2013-08-14 |
| EP2625421B1 (en) | 2014-08-06 |
| CN103140668A (en) | 2013-06-05 |
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|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170926 |