WO2003067078A1 - Module electronique pour bobine d'allumage de moteur a combustion interne - Google Patents
Module electronique pour bobine d'allumage de moteur a combustion interne Download PDFInfo
- Publication number
- WO2003067078A1 WO2003067078A1 PCT/FR2003/000378 FR0300378W WO03067078A1 WO 2003067078 A1 WO2003067078 A1 WO 2003067078A1 FR 0300378 W FR0300378 W FR 0300378W WO 03067078 A1 WO03067078 A1 WO 03067078A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electronic
- ignition coil
- electrical
- housing
- electronic module
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/02—Details
- H01T13/04—Means providing electrical connection to sparking plugs
- H01T13/05—Means providing electrical connection to sparking plugs combined with interference suppressing or shielding means
-
- 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
Definitions
- the present invention relates to an electronic module for an internal combustion engine ignition coil, an ignition coil and a method of manufacturing an ignition coil.
- the ignition coils consist essentially of a transformer intended to supply a voltage peak which, in turn, will cause a spark at the electrodes of a spark plug located inside an internal combustion engine cylinder.
- FIG. 1 schematically illustrates the prior art.
- This figure shows an ignition coil 1 composed of a primary winding 2 and a secondary winding 3.
- the ends of the primary winding 2 are connected on one side to the vehicle battery and on the other side to an electronic control unit 4, and the output of the ignition coil is connected to the input of a spark plug 5.
- diode 6 it is also known to use a diode 6 to limit the risk of producing an unwanted spark between the electrodes of the spark plug 5 during charging of the primary 2.
- This diode 6 can be mounted as shown in the drawing between the secondary and the ignition coil primary 1.
- the present invention aims to overcome these drawbacks.
- the invention aims to provide an electronic module capable of integrating the various electronic components capable of being used in combination with the transformer of the ignition coil.
- a first object of the invention is an electronic module for an ignition coil of an internal combustion engine, in particular of a motor vehicle, this module comprising at least:
- connection terminal able to connect said module to a high voltage output of an electrical transformer of ignition coil
- connection terminal able to connect said module to the input of a spark plug; means for electrically connecting said electronic circuit to said connection terminals.
- the various electronic components associated with the transformer part of the ignition coil are integrated in a single envelope provided with the necessary connection means so as to form an electronic module capable of being assembled in a single block on the ignition coil. 'ignition.
- said envelope defines a generally cylindrical interior volume open at its axial ends, at least one of these ends being closed by a first cap forming a connection terminal.
- said first cap can form the connection terminal capable of connecting said module to the input of the spark plug.
- the second axial end of said volume can be closed by a second cap forming the connection terminal capable of connecting said module to the high voltage output of the electrical transformer of the ignition coil, said caps delimiting in said volume an enclosure in which are arranged. said electronic components.
- the second axial end of said volume is open, a partition being disposed in said volume at an axially intermediate location so as to delimit an enclosure in said volume with said first cap, part of said components electronic being disposed in said enclosure and the other part of said electronic components being disposed in said volume outside said enclosure between its open end and said partition.
- the electronic module according to the invention may include elastic means in said enclosure for maintaining an electrical connection between said at least two electronic components so as to form an electronic circuit.
- means can be provided in said enclosure for connecting said electronic circuit to at least one of said caps and / or to said partition.
- At least one of said electronic components disposed in said enclosure is a generally cylindrical component provided at at least one of its ends with a contact pad capable of ensuring an electrical connection with one of said caps and / or said partition and / or said elastic means.
- At least one of said electronic components external to said enclosure is of the type comprising external connection wires , one of these wires being electrically connected to the face of said partition outside said enclosure.
- at least one of said electronic components external to said enclosure may be of the type comprising external connection wires, one of these wires being electrically connected to a connection pad capable of connecting said module to the high output. voltage from the electrical transformer to the ignition coil or to the input of a spark plug.
- At least one of said electronic components can be an electrical resistor and another electronic component can be a diode, said components being electrically connected in series.
- the electrical resistance is arranged to be electrically connected to the high voltage output of the electrical transformer of the ignition coil and the diode is arranged to be electrically connected to the input of the spark plug. ignition.
- a second object of the invention is an ignition coil of an internal combustion engine, in particular of a motor vehicle, comprising an electronic module as described above.
- this ignition coil comprises a housing forming a first housing for an electrical transformer and a conduit for electrical connection means with an inlet of a spark plug, said housing forming a second housing for said module between said housing for the electrical transformer and said conduit.
- the ignition coil may include elastic means in said conduit to ensure an electrical connection between said first cap and said inlet of a spark plug .
- the coil can comprise an insulating resin overmolding said electrical transformer and extending in the direction of said conduit to said second cap.
- an insulating resin can overmold said electric transformer and extend in the direction from said conduit to said partition.
- the ignition coil may include elastic means of electrical connection between the high voltage output of the electrical transformer and said electronic module.
- a third object of the invention is a method of manufacturing an ignition coil for an internal combustion engine, in particular of a motor vehicle, this method comprising the steps consisting in:
- Figure 2 is a sectional view of an ignition coil according to the invention
- Figure 3 is a sectional view of an electronic module according to the invention, such as that of the ignition coil of Figure 2;
- FIG. 4 is a partial sectional view of an ignition coil according to another embodiment.
- FIG. 2 shows an ignition coil 10 mounted on the cylinder head 11 of an internal combustion engine.
- the ignition coil 10 comprises a housing 12, made of molded plastic.
- the housing 12 forms a first housing 13 for a transformer 14, a second housing 15 for an electronic module 16 which will be described below with reference to FIG. 3, and a conduit 17 in which is disposed, in a known manner, a spring 18 ensuring the electrical connection between the ignition coil 10 and a spark plug (not shown) mounted at the bottom of the cylinder head well receiving the conduit 17.
- the transformer 14 is also produced in a known manner with, for example, a magnetic core, a primary winding, a primary winding, a concentric secondary winding and a winding and a magnetic flux return circuit.
- the primary winding of the transformer 14 is connected to a connector 19 for input of the coil, this connector itself being connected to an electronic control unit not shown.
- An elastic contact blade 20 is connected at one of its ends to the output of the secondary winding of the transformer 14 while its other end is supported on the input terminal of the electronic module 16 which will now be described with reference to FIG. 3.
- This module 16 comprises a casing 21 of molded plastic material defining a cylindrical interior volume 22, for example of circular section. Each end of the volume 22 is closed by a conductive cap 23, 24 which can for example be force-fitted or glued to maintain it on the module.
- the side walls of the volume 22 and the caps 23, 24 delimit an enclosure which receives a diode 25 and a resistor 26.
- Each of these components is generally cylindrical and has two end contact pads 27, 27 ', respectively 28, 28 .
- a spring 29 is disposed in the enclosure between the components 25 and 26 so as to separate them from one another by pressing the stud 27 of the component 25 against the cap 23 and the stud 28 'of the component 26 against the cap 24, while ensuring electrical contact between the pads 27 ′ and 28.
- the components 25 and 26 form an electrical circuit whose connection terminals with the external environment are constituted by the caps 23 and 24.
- An insulating resin is then poured into the housing 13 so as to overmold the transformer 14. This resin extends to the cap 23 which acts as a sealing element. This resin is then polymerized.
- FIG. 4 essentially aims to prevent an electric arc from occurring in the air contained in the volume 22 between the terminals 27 and 27 'of the diode 25.
- the envelope 21 receives only the end cap 24 intended to ensure the connection with the spring 18, its other end remaining open.
- an intermediate partition 30 is force-fitted or glued in the axially middle zone of the casing 21 so as to form a sealing element.
- the inner walls of the envelope 21 define with the cap 24 and the partition 30 a chamber 31.
- the resistor 26 is disposed inside the enclosure 31.
- a spring 32 is disposed between the resistor 26 and the partition 30 to apply the contact pad 28 'against the cap 24 and ensure an electrical connection between the resistor and the partition 30.
- a diode 32 is disposed in the envelope 21 between the partition 30 and the open end of this envelope.
- This diode 32 has two connection wires, one of which 33 is welded to the outside of the partition 30, seen from the enclosure 31.
- the other connection wire 34 projects outside the envelope 21.
- the insulating resin 35 is poured into the housing to extend to the partition 30, thereby overmolding the diode 32. The risks of creating an arc between the connection wires of this diode are thus limited.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/503,844 US20050161031A1 (en) | 2002-02-08 | 2003-02-06 | Electronic module for internal combustion engine ignition coil |
AU2003226864A AU2003226864A1 (en) | 2002-02-08 | 2003-02-06 | Electronic module for internal combustion engine ignition coil |
DE60317773T DE60317773T2 (de) | 2002-02-08 | 2003-02-06 | Elektronisches modul für verbrennungsmotor-zündspule |
EP03737343A EP1478846B1 (fr) | 2002-02-08 | 2003-02-06 | Module electronique pour bobine d allumage de moteur a combu stion interne |
JP2003566403A JP4376062B2 (ja) | 2002-02-08 | 2003-02-06 | 内燃エンジンの点火コイル用電子モジュール |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0201576A FR2835886B1 (fr) | 2002-02-08 | 2002-02-08 | Module electronique pour bobine d'allumage de moteur a combustion interne |
FR02/01576 | 2002-02-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003067078A1 true WO2003067078A1 (fr) | 2003-08-14 |
Family
ID=27620033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/000378 WO2003067078A1 (fr) | 2002-02-08 | 2003-02-06 | Module electronique pour bobine d'allumage de moteur a combustion interne |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050161031A1 (fr) |
EP (1) | EP1478846B1 (fr) |
JP (1) | JP4376062B2 (fr) |
CN (1) | CN100507261C (fr) |
AU (1) | AU2003226864A1 (fr) |
DE (1) | DE60317773T2 (fr) |
FR (1) | FR2835886B1 (fr) |
WO (1) | WO2003067078A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005043044B4 (de) * | 2005-05-19 | 2013-05-16 | Mitsubishi Denki K.K. | Zündvorrichtung für einen Verbrennungsmotor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100844553B1 (ko) * | 2006-08-24 | 2008-07-08 | 현대자동차주식회사 | 엔진의 점화코일 어셈블리 |
CN104226849A (zh) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | 火花塞帽陶瓷电阻的加工方法 |
JP6537445B2 (ja) * | 2015-11-26 | 2019-07-03 | 日立オートモティブシステムズ阪神株式会社 | 内燃機関用点火コイル |
DE102017116277B4 (de) | 2016-07-21 | 2023-06-22 | Borgwarner Ludwigsburg Gmbh | Zündspule und Verfahren zum Herstellen einer Zündspule |
US10916370B2 (en) * | 2018-03-09 | 2021-02-09 | GM Global Technology Operations LLC | Engine assembly with vibration-isolated ignition coil apparatus |
JP2020056362A (ja) * | 2018-10-03 | 2020-04-09 | ダイヤモンド電機株式会社 | 内燃機関用点火コイル |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0268528A1 (fr) * | 1986-11-18 | 1988-05-25 | Automobiles Peugeot | Dispositif d'allumage pour moteur à combustion |
DE3732827A1 (de) * | 1987-09-29 | 1989-04-06 | Beru Werk Ruprecht Gmbh Co A | Hochspannungs-zuendanlage |
US5379745A (en) * | 1991-05-31 | 1995-01-10 | Robert Bosch Gmbh | Ignition system for internal combustion engines with high-tension switches |
US5394302A (en) * | 1993-06-01 | 1995-02-28 | Robert Bosch Gmbh | Ignition coil for internal combustion engines |
DE19909211A1 (de) * | 1998-03-24 | 1999-09-30 | Bremicker Auto Elektrik | Elektrische Stabzündspule |
EP1176681A1 (fr) * | 2000-07-28 | 2002-01-30 | Federal-Mogul Ignition Srl | Bobine d'allumage pour véhicules |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0445557B1 (fr) * | 1990-03-08 | 1994-08-24 | Nippondenso Co., Ltd. | Bobinage d'allumage pour moteur à combustion interne |
JP2981702B2 (ja) * | 1992-08-27 | 1999-11-22 | 愛三工業株式会社 | 内燃機関用点火コイル |
US5419300A (en) * | 1992-11-10 | 1995-05-30 | Honda Giken Kogyo Kabushiki Kaisha | Ignition coil unit with ignition voltage detective capacitor for internal combustion engine |
JP3131669B2 (ja) * | 1992-11-10 | 2001-02-05 | 本田技研工業株式会社 | 点火コイル一体結合型点火プラグキャップ |
JP2000294434A (ja) * | 1999-04-02 | 2000-10-20 | Hanshin Electric Co Ltd | 内燃機関用点火コイル |
JP3708799B2 (ja) * | 2000-06-15 | 2005-10-19 | 三菱電機株式会社 | 内燃機関用点火コイル |
US6374816B1 (en) * | 2001-04-23 | 2002-04-23 | Omnitek Engineering Corporation | Apparatus and method for combustion initiation |
JP4209400B2 (ja) * | 2005-03-23 | 2009-01-14 | 三菱電機株式会社 | 内燃機関用点火装置 |
-
2002
- 2002-02-08 FR FR0201576A patent/FR2835886B1/fr not_active Expired - Fee Related
-
2003
- 2003-02-06 DE DE60317773T patent/DE60317773T2/de not_active Expired - Lifetime
- 2003-02-06 CN CNB038079801A patent/CN100507261C/zh not_active Expired - Fee Related
- 2003-02-06 US US10/503,844 patent/US20050161031A1/en not_active Abandoned
- 2003-02-06 WO PCT/FR2003/000378 patent/WO2003067078A1/fr active IP Right Grant
- 2003-02-06 JP JP2003566403A patent/JP4376062B2/ja not_active Expired - Fee Related
- 2003-02-06 AU AU2003226864A patent/AU2003226864A1/en not_active Abandoned
- 2003-02-06 EP EP03737343A patent/EP1478846B1/fr not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0268528A1 (fr) * | 1986-11-18 | 1988-05-25 | Automobiles Peugeot | Dispositif d'allumage pour moteur à combustion |
DE3732827A1 (de) * | 1987-09-29 | 1989-04-06 | Beru Werk Ruprecht Gmbh Co A | Hochspannungs-zuendanlage |
US5379745A (en) * | 1991-05-31 | 1995-01-10 | Robert Bosch Gmbh | Ignition system for internal combustion engines with high-tension switches |
US5394302A (en) * | 1993-06-01 | 1995-02-28 | Robert Bosch Gmbh | Ignition coil for internal combustion engines |
DE19909211A1 (de) * | 1998-03-24 | 1999-09-30 | Bremicker Auto Elektrik | Elektrische Stabzündspule |
EP1176681A1 (fr) * | 2000-07-28 | 2002-01-30 | Federal-Mogul Ignition Srl | Bobine d'allumage pour véhicules |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005043044B4 (de) * | 2005-05-19 | 2013-05-16 | Mitsubishi Denki K.K. | Zündvorrichtung für einen Verbrennungsmotor |
Also Published As
Publication number | Publication date |
---|---|
CN1646803A (zh) | 2005-07-27 |
DE60317773D1 (de) | 2008-01-10 |
US20050161031A1 (en) | 2005-07-28 |
EP1478846A1 (fr) | 2004-11-24 |
CN100507261C (zh) | 2009-07-01 |
JP4376062B2 (ja) | 2009-12-02 |
AU2003226864A1 (en) | 2003-09-02 |
FR2835886B1 (fr) | 2004-11-12 |
FR2835886A1 (fr) | 2003-08-15 |
JP2005529263A (ja) | 2005-09-29 |
EP1478846B1 (fr) | 2007-11-28 |
DE60317773T2 (de) | 2008-12-24 |
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