EP2416004A2 - Détermination de la durée d'étincelle d'allumage - Google Patents

Détermination de la durée d'étincelle d'allumage Download PDF

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Publication number
EP2416004A2
EP2416004A2 EP11004406A EP11004406A EP2416004A2 EP 2416004 A2 EP2416004 A2 EP 2416004A2 EP 11004406 A EP11004406 A EP 11004406A EP 11004406 A EP11004406 A EP 11004406A EP 2416004 A2 EP2416004 A2 EP 2416004A2
Authority
EP
European Patent Office
Prior art keywords
spark
phase
time
primary
ignition
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
Application number
EP11004406A
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German (de)
English (en)
Other versions
EP2416004B1 (fr
EP2416004A3 (fr
Inventor
Arno Gschirr
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.)
Innio Jenbacher GmbH and Co OG
Original Assignee
GE Jenbacher GmbH and Co OHG
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Publication of EP2416004A2 publication Critical patent/EP2416004A2/fr
Publication of EP2416004A3 publication Critical patent/EP2416004A3/fr
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Publication of EP2416004B1 publication Critical patent/EP2416004B1/fr
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    • 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
    • F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • F02P17/12—Testing characteristics of the spark, ignition voltage or current
    • 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
    • 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
    • F02P3/06—Other installations having capacitive energy storage
    • F02P3/08—Layout of circuits
    • F02P3/0853—Layout of circuits for control of the dwell or anti-dwell time

Definitions

  • the ignition of fuel mixtures can be done by a variety of methods. In internal combustion engines, such as a gas engine, in most cases, the ignition is realized by means of a spark. There are several methods of generating sparks, mainly using an ignition coil ignition system. It is for the ignition of the fuel mixture, mainly via the spark channel, introduced plasma energy (ionization and activation energy) crucial for the quality of the subsequent combustion process. For safe ignition or ignition of the fuel mixture, in addition to the height of the spark current, also significantly the spark duration is crucial. Indirect and direct influences, such as pressure, temperature, mixture composition and Flow rates in the combustion chamber, especially in the area of the spark plug electrodes or spark gap, can significantly influence the spark duration. To assess the effectiveness of an ignition process thus the detection of the spark duration is crucial.
  • the direct dependence on the current in the high-voltage circuit (secondary current of the ignition coil), which equates to the spark current, can be used.
  • EP 707 144 A2 (ROBERT BOSCH GMBH) the use of a clamp meter for the diagnosis of ignition events, wherein a first resonant circuit is provided, whose resonant frequency is matched to rapid ignition current changes that occur during the spark start, and that a second resonant circuit is provided, the resonance is turned off to slow Zündstrom Sungen that exist during the spark burn time.
  • ROBERT BOSCH GMBH proposes a method for detecting misfires.
  • the transformed firing voltage on the primary side is used and a comparison with limit values for a correct ignition is carried out.
  • the currently used methods do not provide information on the spark duration itself, but compare a magnitude measured at the primary side (such as the burn voltage) with previously detected limits for proper ignition timing.
  • the object is achieved by the method according to claim 1 and an ignition device according to claim 9.
  • the present invention is based on a measurement of the timing of the extinguishment of the spark with the aid of the primary current of a high voltage transformer, normally an ignition coil.
  • Each of the individual phases of the spark has a typical characteristic, recognizable, for example, from the different pitch angles of the primary current, caused by the influencing variables acting on these phases on the primary current of the ignition coil.
  • the measurement of the time of extinction of the spark according to the invention may be sufficient if the time at which the spark originated can be derived from other data or is simply assumed to be known.
  • the ignition spark duration determined in this way can be used as a controlled variable for the primary-side energy supply to the ignition coil, in order to adapt the spark characteristic to the conditions in the combustion chamber, and thus to optimize the ignition and combustion process.
  • Fig. 1 shows an ignition device according to the prior art.
  • This has a high-voltage transformer 3, which has a primary side 4 and secondary side 5.
  • the high voltage transformer 3 is formed as a coil.
  • the primary side 4 is connected to a high voltage source 6 to 9.
  • the individual components of the high voltage source are a DC voltage source 6, a high voltage capacitor 7, a freewheeling diode 8 and a switching element 9.
  • the secondary side 5 of the high voltage transformer 3 is connected to a spark gap 10 for the formation of the spark.
  • Fig. 1 is shown connected to the secondary side 5 of the high voltage transformer 3 ammeter, by means of which the secondary current can be measured to ground. In this way, the determination of the spark duration is possible.
  • the measurement according to Fig. 1 However, in the vast majority of ignition systems is not possible because in most ignition systems only the primary side 4 of the high voltage transformer 3 is connected to the ignition system and no measures of the secondary side 5 can be returned.
  • Fig. 2 shows an ignition device 1 according to the invention, in which the method according to Fig. 1 would not be applicable at all.
  • the same components as in the Fig. 1 are denoted by the same reference numerals.
  • at least one current measuring device is connected to the primary side 4 of the high-voltage transformer 3.
  • the current measuring device of the primary current can be done either for example with a current transformer or with a measuring resistor to ground.
  • the Fig. 3 shows a possibility of controlling the primary energy supply for the optimization of the spark energy and the Zündbrennbrennungsdauer using the Zündbrennbrenndauerska by inventively provided evaluation of the primary current measurement. Additionally marked is opposite to the Fig. 2 an evaluation device 12, which the measuring signals of the measuring device 11 (here: ammeter) can be supplied and divided into the time course of the primary current at least in a spark-burning phase and a subsequent freewheeling phase of the high-voltage transformer. The evaluation device 12 sets the transition from the spark firing phase in the freewheeling phase with the timing of the extinction of the spark equal.
  • the measuring signals of the measuring device 11 here: ammeter
  • the evaluation device 12 is part of a control device 13, which uses the determined by the evaluation device 12 Zündfunkendauer as a controlled variable for the primary-side power supply to the high voltage transformer 3.
  • Fig. 4 schematically shows an internal combustion engine 2 of which only a piston-cylinder unit is shown with an ignition device 1 according to the invention.
  • the piston-cylinder unit has a piston 14 that can be moved up and down in a cylinder 15. Visible is a spark gap 10 formed here as a spark plug 16, which is in electrical connection via a line 17 to the secondary side 5 of a high-voltage transformer 3 (here: ignition coil).
  • the primary side 4 of the high voltage transformer 3 is connected via a line 18 to a high voltage source 6 to 9 in electrical connection.
  • Fig. 4 not shown are the evaluation device 12 and the control device 13th
  • Fig. 5 11 shows the profile of the primary current 20 of a high-voltage transformer 3, in this case an ignition coil divided into the four characteristic phases of a spark, the ionization phase 21, the radio breakdown phase 22, the spark-burning phase 23, the time of extinguishing the spark 24 and the ignition coil free-running phase 25.

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)
EP11004406.2A 2010-08-06 2011-05-30 Détermination de la durée d'étincelle d'allumage Active EP2416004B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0132810A AT510034B1 (de) 2010-08-06 2010-08-06 Zündfunkenbrenndauerbestimmung

Publications (3)

Publication Number Publication Date
EP2416004A2 true EP2416004A2 (fr) 2012-02-08
EP2416004A3 EP2416004A3 (fr) 2014-05-21
EP2416004B1 EP2416004B1 (fr) 2017-11-29

Family

ID=44880975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11004406.2A Active EP2416004B1 (fr) 2010-08-06 2011-05-30 Détermination de la durée d'étincelle d'allumage

Country Status (3)

Country Link
US (1) US8662059B2 (fr)
EP (1) EP2416004B1 (fr)
AT (1) AT510034B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150340846A1 (en) * 2014-05-21 2015-11-26 Caterpillar Inc. Detection system for determining spark voltage
US10731621B2 (en) 2016-12-21 2020-08-04 Caterpillar Inc. Ignition system having combustion initiation detection
DE102017104953B4 (de) * 2017-03-09 2021-09-30 Borgwarner Ludwigsburg Gmbh Verfahren zum Betreiben einer Zündspule sowie Zündspule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027043A1 (fr) 1993-05-19 1994-11-24 Robert Bosch Gmbh Systeme d'allumage pour moteurs a combustion interne comprenant un dispositif de detection des defauts d'allumage par comparaison avec des allumages de reference de la meme bobine d'allumage
EP0707144A2 (fr) 1994-10-13 1996-04-17 Robert Bosch Gmbh Dispositif de détection des signaux d'allumage
US6283103B1 (en) 1998-04-13 2001-09-04 Woodward Governor Company Methods and apparatus for controlling spark duration in an internal combustion engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924985A1 (de) * 1989-07-28 1991-02-07 Volkswagen Ag Vollelektronische zuendeinrichtung fuer eine brennkraftmaschine
DE4116642C2 (de) * 1990-08-25 2000-05-11 Bosch Gmbh Robert Zündanlage einer Brennkraftmaschine mit einer Überwachungsschaltung zum Erkennen von Zündaussetzern
US6457464B1 (en) * 1996-04-29 2002-10-01 Honeywell International Inc. High pulse rate spark ignition system
DE19953710B4 (de) * 1999-11-08 2010-06-17 Robert Bosch Gmbh Verfahren und Vorrichtung zur Meßfenster-Positionierung für die Ionenstrommessung
JP4462747B2 (ja) * 2000-10-31 2010-05-12 日本特殊陶業株式会社 内燃機関用点火装置
DE10121993B4 (de) * 2001-05-05 2004-08-05 Daimlerchrysler Ag Zündsystem für Verbrennungsmotoren
US6701896B2 (en) * 2001-11-13 2004-03-09 Prufrex-Elektro-Apparatebau, Inh. Helga Müller, geb. Dutschke Microelectronic ignition method and ignition module with ignition spark burn-time prolonging for an internal combustion engine
AT504369B8 (de) * 2006-05-12 2008-09-15 Ge Jenbacher Gmbh & Co Ohg Zündeinrichtung für eine brennkraftmaschine
DE102007051249A1 (de) * 2007-10-26 2009-04-30 Robert Bosch Gmbh Vorrichtung zur Regelung eines Mehrfachfunkenbetriebs einer Verbrennungskraftmaschine und zugehöriges Verfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027043A1 (fr) 1993-05-19 1994-11-24 Robert Bosch Gmbh Systeme d'allumage pour moteurs a combustion interne comprenant un dispositif de detection des defauts d'allumage par comparaison avec des allumages de reference de la meme bobine d'allumage
EP0707144A2 (fr) 1994-10-13 1996-04-17 Robert Bosch Gmbh Dispositif de détection des signaux d'allumage
US6283103B1 (en) 1998-04-13 2001-09-04 Woodward Governor Company Methods and apparatus for controlling spark duration in an internal combustion engine

Also Published As

Publication number Publication date
US20120031382A1 (en) 2012-02-09
AT510034A4 (de) 2012-01-15
EP2416004B1 (fr) 2017-11-29
EP2416004A3 (fr) 2014-05-21
AT510034B1 (de) 2012-01-15
US8662059B2 (en) 2014-03-04

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