EP1046814B1 - Zündsystem für eine fahrzeugantreibende Brennkraftmaschine - Google Patents

Zündsystem für eine fahrzeugantreibende Brennkraftmaschine Download PDF

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Publication number
EP1046814B1
EP1046814B1 EP00401080A EP00401080A EP1046814B1 EP 1046814 B1 EP1046814 B1 EP 1046814B1 EP 00401080 A EP00401080 A EP 00401080A EP 00401080 A EP00401080 A EP 00401080A EP 1046814 B1 EP1046814 B1 EP 1046814B1
Authority
EP
European Patent Office
Prior art keywords
coils
arc
spark plug
ignition
coil
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 - Lifetime
Application number
EP00401080A
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English (en)
French (fr)
Other versions
EP1046814A1 (de
Inventor
Denis Lambert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP1046814A1 publication Critical patent/EP1046814A1/de
Application granted granted Critical
Publication of EP1046814B1 publication Critical patent/EP1046814B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/10—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having continuous electric sparks
    • 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
    • F02P3/04—Layout of circuits
    • F02P3/045—Layout of circuits for control of the dwell or anti dwell time
    • F02P3/0453—Opening or closing the primary coil circuit with semiconductor devices
    • 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
    • F02P3/04—Layout of circuits
    • F02P3/05—Layout of circuits for control of the magnitude of the current in the ignition coil
    • F02P3/051—Opening or closing the primary coil circuit with semiconductor devices
    • 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

Definitions

  • the present invention relates to an ignition system for an engine of motor vehicle.
  • the invention relates to a system comprising ignition coil means comprising winding means primary connected to a vehicle power source through means for controlling their supply and winding means secondary connected to at least one ignition coil of the engine.
  • Ignition systems conventionally used for engines gasoline vehicles indeed have an ignition coil which ensures the energy storage and increasing the voltage applied to the spark plug and more particularly between the electrodes thereof, in order to create therebetween, an arc or spark.
  • this spark i.e. its duration and its intensity, depend on one hand, on the surrounding conditions in the room corresponding combustion (aerodynamic pressure, richness, temperature, etc.) and on the other hand, the performance of the ignition system (stored energy, secondary inductance, etc.).
  • the generation of the spark is done in two sequential operations, namely a first charging operation during which the coil accumulates a certain amount of energy by feeding its primary winding and a second discharge operation during which the abrupt interruption of the primary current of the coil causes an increase in secondary voltage thereof until generation of the arc between the spark plug electrodes, the energy in the magnetic circuit of the coil dissipating in the arc until its extinction.
  • the duration of the arc is therefore mainly a function of the energy that can store the coil.
  • the arc current representative of the intensity of the spark, is to him function of the impedance of the secondary winding.
  • the spark plug is likely to get dirty and it it is therefore preferable to have a low impedance ignition system secondary and whose high voltage rise time is short.
  • the arc current is generally too large (greater than 100 mA).
  • the fourth solution of multi-spark ignition consists in it to cause a sequence of several short sparks spaced one time required to recharge the coil.
  • the advantage of this solution is that the coil can be compact and has a reduced rise time high voltage.
  • the overall duration of the spark train can be adjusted according to engine operating conditions.
  • the object of the invention is therefore to solve the problems mentioned previously.
  • the invention relates to an ignition system for an engine of a motor vehicle, of the type comprising means forming an ignition coil comprising primary winding means, connected to a vehicle power source through means for controlling their supply and secondary winding means, connected to the minus one engine spark plug.
  • the means forming ignition coil include at least two coils with windings secondary are coupled to at least one candle through means with non-return diode and whose primary windings are associated with control means (compare with 2244 Research Disclosure, 1993, April, No 348, Ensworth, GB).
  • an ignition system for engine of a motor vehicle which comprises means forming an ignition coil, designated by the general reference 1 in this figure, comprising primary winding means, designated by the general reference 2, connected to a power supply source of the vehicle through control means, designated by the general reference 3 in this figure and secondary winding means, designated by the general reference 4, connected to at least one engine spark plug, designated by general reference 5.
  • the system is associated with a single spark plug 5.
  • the means forming an ignition coil comprise at least two separate coils, without magnetic coupling, designated by general references 6 and 7, including the secondary windings, respectively 8 and 9 are coupled to the spark plug 5 through non-return diode means 10 and 11 respectively and whose primary windings 12 and 12 respectively 13, are associated with control means 14 and 15 respectively, allowing during a first phase of operation of striking an arc between the spark plug electrodes, to power the coils simultaneously to achieve the arc voltage between the electrodes of this spark plug, then during a second phase of operation, maintenance of this arc, supplying them alternately to feed the arc without interruption.
  • control means 14 and 15 each consist of a switching member semiconductor, such as for example by an NPN transistor, associated with the primary winding of each coil while being connected between a terminal this primary winding and the ground, the other terminal of this primary winding being connected to the vehicle's power supply source (+ AC).
  • a switching member semiconductor such as for example by an NPN transistor
  • one of the electrodes of the spark plug 5, like for example the electrode 16 is connected to ground, while the other electrode 17 thereof, is connected to the first terminals of the secondary windings 8 and 9 of the coils 6 and 7, through the non-return diode means 10 and 11, while the second terminals of these windings 8 and 9 are connected to ground.
  • Vc1 and Vc2 illustrate the commands applied to the semiconductor switching elements 14 and 15
  • Ip1 and Ip2 illustrate the current flowing in the primary windings of the coils
  • Vs1 and Vs2 illustrate the voltages across the secondary windings of these coils
  • Vs and Is respectively illustrate the voltage and the current at the terminals and in the candle 5.
  • the coil 7 is then recharged that the coil 6 supplies the arc.
  • the coil 7 therefore takes over to supply the spark plug, while the coil 6 is recharged in turn.
  • the delay between the order of a coil and the start of recharging of the other coil ensures the continuity of the arc and avoids applying a voltage too high across the diodes.
  • the current Is circulating in the candle evolves in a sawtooth pattern and a correct adjustment of the coil parameters and excitation times allows to maintain this current between two adjustable limits.
  • the charging and discharging times of these coils can be adjusted according to their characteristics and it is not necessary to have high energy coils. On the contrary, it is interesting to use low secondary impedance coils including voltage rise time secondary is reduced.
  • such an ignition system can be associated with two spark plugs (twin-static ignition), such as for example 5a spark plugs and 5b illustrated in FIG. 3, in which the other elements are designated by reference numbers identical to those used in Figure 1.
  • twin-static ignition such as for example 5a spark plugs and 5b illustrated in FIG. 3, in which the other elements are designated by reference numbers identical to those used in Figure 1.
  • two candles 5a and 5b are therefore associated, first electrodes thereof being connected together to the mass.
  • the other electrode of one of the candles such as for example the candle 5a, is connected to the first terminals of the secondary windings 8 and 9 coils through the non-return diode means 10 and 11, while the other electrode of the other spark plug 5b, is connected to second terminals of the windings 8 and 9 and ground.
  • such a structure also makes it possible to have a low secondary impedance allowing rapid establishment of high voltage, while implementing low energy coils and suitable for one or more several candles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Claims (5)

  1. Zündsystem für einen Kraftfahrzeugmotor des Typs enthaltend Mittel (1), die eine Zündspule bilden, umfassend Mittel (2), die eine Primärwicklung bilden, die an eine Betriebsstromversorgung des Fahrzeugs über Steuermittel (3) für ihre Versorgung angeschlossen sind, und Mittel, die eine Sekundärwicklung (4) bilden, die an wenigstens eine Zündkerze (5; 5a, 5b) des Motors angeschlossen sind, wobei die Mittel, die die Zündspule bilden, wenigstens zwei Spulen (6, 7) umfassen, deren Sekundärwicklungen (8, 9) über Mittel mit Diode zur Rückflusssperrung (10, 11) an wenigstens eine Zündkerze angeschlossen sind, und deren Primärwicklungen mit Steuermitteln (14, 15) verbunden sind, dadurch gekennzeichnet, dass diese Steuermittel ermöglichen, während einer ersten Betriebsphase der Zündung eines Lichtbogens zwischen den Elektroden der Zündkerze die Spulen gleichzeitig mit Strom zu versorgen, um die Überschlagsspannung zwischen den Elektroden dieser Kerze zu erreichen, und dann während einer zweiten Betriebsphase der Aufrechterhaltung dieses Lichtbogens diese abwechselnd zu versorgen, um den Lichtbogen ohne Unterbrechung zu versorgen.
  2. System nach Anspruch 1, dadurch gekennzeichnet, dass die Steuermittel eine Halbleiterschalteinrichtung (14, 15) umfassen, die mit einer Primärwicklung jeder Spule (6, 7) verbunden ist.
  3. System nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zwei Spulen (6, 7) mit einer Zündkerze (5) verbunden sind, deren eine Elektrode (16) an die Masse angeschlossen ist und deren andere Elektrode (17) an erste Anschlüsse der Sekundärwicklungen (8, 9) der Spulen (6, 7) über die Mittel mit Diode zur Rückflusssperrung (10, 11) angeschlossen ist, wobei zweite Anschlüsse dieser Sekundärwicklungen (8, 9) an die Masse angeschlossen sind.
  4. System nach irgendeinem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die zwei Spulen (6, 7) mit zwei Zündkerzen (5a, 5b) verbunden sind, deren erste Elektroden gemeinsam an die Masse angeschlossen sind, wobei die zweite Elektrode einer der Zündkerzen (5a) an erste Anschlüsse der Sekundärwicklungen (8, 9) der Spulen (6, 7) über die Mittel mit Diode zur Rückflusssperrung (10, 11) angeschlossen ist, und die zweite Elektrode der anderen Zündkerze (5b) an zweite Anschlüsse der Sekundärwicklungen (8, 9) der Spulen (6, 7) und an die Masse angeschlossen ist.
  5. System nach irgendeinem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Halbleiterschalteinrichtungen (14, 15) NPN-Transistoren enthalten.
EP00401080A 1999-04-19 2000-04-18 Zündsystem für eine fahrzeugantreibende Brennkraftmaschine Expired - Lifetime EP1046814B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904895 1999-04-19
FR9904895A FR2792373A1 (fr) 1999-04-19 1999-04-19 Systeme d'allumage pour moteur de vehicule automobile

Publications (2)

Publication Number Publication Date
EP1046814A1 EP1046814A1 (de) 2000-10-25
EP1046814B1 true EP1046814B1 (de) 2004-07-14

Family

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Application Number Title Priority Date Filing Date
EP00401080A Expired - Lifetime EP1046814B1 (de) 1999-04-19 2000-04-18 Zündsystem für eine fahrzeugantreibende Brennkraftmaschine

Country Status (4)

Country Link
EP (1) EP1046814B1 (de)
AT (1) ATE271188T1 (de)
DE (1) DE60012073T2 (de)
FR (1) FR2792373A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231511A1 (de) * 2002-07-12 2004-01-15 Audi Ag Zündspulensystem mit wenigstens zwei induktiven Spulen
EP2325476B1 (de) * 2009-11-20 2016-04-13 Delphi Technologies, Inc. Gekoppeltes Mehrzündsystem mit einem intelligenten Steuerkreis
JP5210361B2 (ja) * 2010-07-14 2013-06-12 日本特殊陶業株式会社 プラズマジェット点火プラグの点火装置、及び、点火システム
DE102012106207B3 (de) 2012-03-14 2013-05-23 Borgwarner Beru Systems Gmbh Verfahren zum Ansteuern einer Funkenstrecke, insbesondere einer Zündkerze
DE102012106158A1 (de) * 2012-07-09 2014-01-09 Borgwarner Beru Systems Gmbh Induktive Zündanlage für einen Otto-Motor
GB201521184D0 (en) 2015-12-01 2016-01-13 Delphi Internat Operations Luxembourg S À R L Gaseous fuel injectors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859228A (de) * 1971-11-29 1973-08-20
JPS59226274A (ja) * 1983-06-07 1984-12-19 Nippon Denso Co Ltd 内燃機関用点火装置
US4915087A (en) * 1988-09-29 1990-04-10 Ford Motor Company Ignition system with enhanced combustion and fault tolerance
US5228425A (en) * 1991-01-04 1993-07-20 Sylvan Simons Ignition system for internal combustion engine

Also Published As

Publication number Publication date
ATE271188T1 (de) 2004-07-15
FR2792373A1 (fr) 2000-10-20
DE60012073T2 (de) 2005-09-15
DE60012073D1 (de) 2004-08-19
EP1046814A1 (de) 2000-10-25

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