EP2203640A1 - Dispositif pour réguler un fonctionnement à étincelles multiples d'un moteur à combustion interne, et procédé associé - Google Patents

Dispositif pour réguler un fonctionnement à étincelles multiples d'un moteur à combustion interne, et procédé associé

Info

Publication number
EP2203640A1
EP2203640A1 EP08804059A EP08804059A EP2203640A1 EP 2203640 A1 EP2203640 A1 EP 2203640A1 EP 08804059 A EP08804059 A EP 08804059A EP 08804059 A EP08804059 A EP 08804059A EP 2203640 A1 EP2203640 A1 EP 2203640A1
Authority
EP
European Patent Office
Prior art keywords
current
threshold
current threshold
duration
default value
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
EP08804059A
Other languages
German (de)
English (en)
Other versions
EP2203640B1 (fr
Inventor
Mario Maier
Bernhard Opitz
Hartwig Senftleben
Bernd Hilgenberg
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2203640A1 publication Critical patent/EP2203640A1/fr
Application granted granted Critical
Publication of EP2203640B1 publication Critical patent/EP2203640B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02P15/08—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 multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
    • 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
    • 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
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression

Definitions

  • the invention relates to a device for controlling a multiple spark operation of an internal combustion engine having the features mentioned in the preamble of claim 1 on the one hand and an associated method for controlling a multiple spark operation of an internal combustion engine with the features mentioned in the preamble of claim 14 on the other hand.
  • An apparatus and a method for controlling a multiple spark operation of an internal combustion engine of the aforementioned type are generally known.
  • a control unit Based on a control unit is a control of multiple ignition.
  • the inventive device for controlling a multiple spark operation of an internal combustion engine having the features mentioned in claim 1 offers the advantage that, depending on the operating condition of the internal combustion engine, an individual adjustment of the threshold values, in particular current thresholds for the primary stream and / or for the
  • Secondary current can be made.
  • at least one current threshold is programmed. The individual adjustment of the current thresholds thus enables a demand-oriented adjustment of the follow current thresholds of the multiple spark operation in each individual ignition cycle or operating cycle of the internal combustion engine.
  • the present invention in addition to improved fuel ignition, a more reliable operation of the internal combustion engine can be ensured.
  • the improved fuel ignition also has a positive effect on a fuel consumption of the internal combustion engine on the one hand and on a power demand of the internal combustion engine on the other hand.
  • the at least one current threshold is set as a function of a transformer current which can be detected or measured by a detection means, in particular primary current and / or secondary current.
  • a detection means in particular primary current and / or secondary current.
  • the transmission of the default value for the follow current threshold, in particular secondary current shutdown, based on the duration of the period takes place.
  • the duration of the time interval or the pause time between the two control signals of the control unit represents an already existing signal gap, which by a targeted and scheduled
  • Change to a value association can be used.
  • a time interval of 30 ⁇ s can be assigned a secondary current switch-off threshold of 70 mA or a time interval of 160 ⁇ s, a secondary current switch-off threshold of 40 mA.
  • the transmission of the default value takes place in conjunction with a current threshold difference value over the duration of the time period.
  • a value delta is transmitted via the pulse pause, which lowers the respective current threshold during a long pulse pause, for example by 10 mA.
  • the value threshold can be used to raise the corresponding current threshold, for example by 10 mA.
  • a constellation in which a mean pulse break leads to no change in the relevant current threshold.
  • a bidirectional interface between the control unit and the ignition transformer, in particular for the transmission of a spark duration is provided.
  • a feedback of information of the ignition transformer via a switching of a drive current done.
  • the drive current may correspond to 20 mA during the spark duration and to 10 mA during a charge phase.
  • the control unit is then able to determine the spark duration via the current and increases or decreases the secondary current threshold as a function of the required spark duration. This can ultimately be a faulty interpretation of existing pulse pauses, especially in the transmission of current threshold difference values are avoided. Furthermore, it is ensured that the information in the control unit and in the ignition transformer always coincide, whereby a failure of an error in each further ignition cycle is omitted.
  • the transmission of the default value and / or the further default value takes place on the basis of a protocol containing current threshold values over the duration of the time span.
  • the protocol comprises rules which determine the format, the content, the meaning and the sequence of transmitted information between different entities, in particular between the control electronics located in the ignition transformer and the ignition transformer itself or between the control unit and the control electronics.
  • a detection of an amplitude value of a first primary current pulse for adjusting the at least one current threshold, in particular primary current shutdown occurs.
  • the amplitude of the first primary current pulse is thus used to set or program the primary current threshold.
  • the amplitude value of the first pulse corresponds to the current threshold for all subsequent pulses.
  • the current threshold can be increased or decreased by a fixed factor.
  • the amplitude value is used as a default for all other primary current shutdown thresholds and transmitted simultaneously over the break of the secondary current threshold.
  • An embodiment of the invention is also advantageous, in which it is provided that the transmission of a combination of secondary current switch-off threshold and primary current switch-off threshold takes place with the amplitude or the amplitude value of the first primary current pulse.
  • an amplitude of 15 A can be assigned a value combination of 15 A for the primary current turn-off threshold and 40 mA for the secondary current turn-off threshold.
  • the switch-off threshold for the primary current can be 16 A and the switch-off threshold for the secondary current can be 50 mA.
  • the amplitude may have a value of 17 A.
  • control unit depending on the operating condition of the internal combustion engine adjusts the duration of the period, at the end of the period, a measurement and storage of the pending secondary current value, which serves as the default value of the associated follow current threshold, in particular secondary current thresholds , which gives a further alternative to the aforementioned value specifications.
  • the transmission of the default value and / or the further default value takes place over the duration of the second control signal on the basis of a protocol containing current threshold values or on the basis of a value signal including the current threshold values, in particular pulse width modulated value signal.
  • a protocol containing current threshold values or on the basis of a value signal including the current threshold values, in particular pulse width modulated value signal is a suitable for single-wire interface protocol or provide a suitable pulse width modulated signal.
  • very short pulses can be used, which can be filtered out for a standard function. The transmitted information is processed in this case only in the next ignition cycle.
  • FIG. 2 shows a further diagram with a drive signal course, in particular a course of a drive voltage, as well as with a
  • FIG. 5 shows a further diagram with a Anberichtverlauf, in particular course of a drive voltage, and with a primary current waveform and with a secondary current waveform, in which the setting of the primary and the Sekundärstrom- Abschaltschwelle, in particular on the basis of a Abschaltschwellen-
  • FIG. 1 shows a diagram 10 which includes the profile of a drive voltage 11, the profile of a primary current 12 and the profile of a secondary current 13.
  • a controller transmits a first pulse 14 and a second pulse 15 when using a single-wire interface in an ignition cycle.
  • the first pulse 14 corresponds to the pulse of a conventional transistor coil ignition, the controller specifying both a charge duration and an ignition timing ,
  • the second pulse 15 predetermines the duration of a multiple spark phase.
  • the two pulses 14, 15 - also referred to as drive signals - there is a pulse pause 16 or a period of time, the relative according to FIG briefly fails and is used to program at least one current threshold. If the pause time 16 between the two pulses 14, 15 transmitted by the control unit is coded, information or data values, such as, for example, values of a secondary current threshold 17, can be transmitted to the ignition transformer, in particular via the pulse pause 16
  • the Ignition coil to be transmitted.
  • the coding can be done by different variants.
  • the pulse pause 16 has a value of 10 ⁇ s and thus corresponds to a secondary current switch-off threshold 17 of 80 mA, which corresponds to a high cut-off current is the same.
  • a primary current Abschaltschwelle 18 is given.
  • the pulse duration has 16 values of 30 ⁇ s, 60 ⁇ s, 100 ⁇ s or 160 ⁇ s, while the secondary current switch-off threshold 17 is set to values of 70 mA, 60 mA, 50 mA or 40 mA.
  • the secondary current switch-off threshold 17 with the latter value of 40 mA corresponds to the pulse pause 16 in the amount of 160 ⁇ s, which reflects a low switch-off current with a comparatively long pulse pause.
  • the diagram according to FIG. 2 corresponds to the diagram according to FIG. 1 and likewise has the profile of the drive signal 11, the profile of the primary current 12 with associated primary current switch-off threshold 18 and the course of the secondary current 13.
  • FIG. 3 shows a diagram 30 which reproduces the course of the drive voltage 11, the profile of a drive current 19 and the course of the primary current 12 and the profile of the secondary current 13.
  • a current threshold difference value or else a value delta is transmitted via the pulse pause 16.
  • a long pulse break in this context means a lowering of the current threshold by 10 mA.
  • a brief pause in the pulse causes the current threshold to increase by 10 mA.
  • a medium pause duration does not change anything.
  • a bidirectional interface between the controller and the ignition transformer can be provided. In this case, a feedback of information of the ignition transformer via a switching of a drive current done.
  • the drive current 19 may correspond to a value 21 of 20 mA during a spark-burning period and another value 22 of 10 mA during a charging phase.
  • the control unit is then able to determine the spark duration via the current and increases or decreases the secondary current threshold as a function of the required spark duration. This ensures that the information in the control unit and in the
  • Ignition transformer always coincide, whereby a failure of an error in each additional ignition cycle is omitted.
  • FIG. 4 shows a diagram 40 which represents the profile of the drive voltage 11, the profile of the primary current 12 and the profile of the secondary current 13.
  • a combination of values from the secondary current switch-off threshold 17 and the primary current switch-off threshold 18 is transmitted over the length of the pulse pause 16.
  • the duration of the pulse pause 16 of 160 microseconds corresponds to 50 mA for the secondary current Abschaltschwelle 17 and 17 A for the primary current Abschaltschwelle 18.
  • Figure 5 whose
  • Diagram 50 also the course of the drive signal 11, the course of the primary current 12 and the course of the secondary current 13, the duration of the pulse pause is 100 microseconds, so that for the secondary current Abschaltschwelle 17 is a value of 50 mA and for the primary current Abschaltschwelle 18th are assigned a value of 15A. Further assignments have a current threshold ratio of 70 mA to 17 A for a pulse pause of 60 ⁇ s and a current threshold ratio of 70 mA to 15 A for the secondary current switch-off threshold 17 or for the primary current switch-off threshold 18 for a pulse pause of 30 ⁇ s.
  • FIG. 6 shows a diagram 60 which includes the profile of the drive voltage 11 and the profile of the primary current 12 and the profile of the secondary current 13.
  • the transmission of the information about the current thresholds in this case takes place during the multiple spark phase, ie during the second pulse 15.
  • To transmit the information and values can be a for Single-wire interfaces suitable protocol are used.
  • the multiple spark phase or its signal curve is the basis for programming the current thresholds. Alternatively, this can also be a pulse width modulated signal application.
  • very short pulses 15.1 to 15.4 are used, which can be filtered out for a standard function.
  • the transmitted information is processed in this case only in the next ignition cycle, since the multiple spark phase or its signal itself serves as an information carrier.

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)

Abstract

L'invention concerne un dispositif pour réguler un fonctionnement à étincelles multiples d'un moteur à combustion interne, dans le cas duquel un transformateur d'allumage peut, afin de délivrer ou d'interrompre une énergie d'étincelle d'allumage, être désactivé ou réactivé à l'aide d'au moins une onde de courant. Selon l'invention, la ou les ondes de courant sont programmables.
EP08804059.7A 2007-10-26 2008-09-11 Commande électronique, dispositif de commande et procédé pour commander une opération d'allumage multiple d'un moteur à combustion interne Active EP2203640B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007051249A DE102007051249A1 (de) 2007-10-26 2007-10-26 Vorrichtung zur Regelung eines Mehrfachfunkenbetriebs einer Verbrennungskraftmaschine und zugehöriges Verfahren
PCT/EP2008/062094 WO2009053162A1 (fr) 2007-10-26 2008-09-11 Dispositif pour réguler un fonctionnement à étincelles multiples d'un moteur à combustion interne, et procédé associé

Publications (2)

Publication Number Publication Date
EP2203640A1 true EP2203640A1 (fr) 2010-07-07
EP2203640B1 EP2203640B1 (fr) 2019-01-23

Family

ID=40111090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08804059.7A Active EP2203640B1 (fr) 2007-10-26 2008-09-11 Commande électronique, dispositif de commande et procédé pour commander une opération d'allumage multiple d'un moteur à combustion interne

Country Status (8)

Country Link
US (1) US9745946B2 (fr)
EP (1) EP2203640B1 (fr)
JP (1) JP5351895B2 (fr)
KR (1) KR101583847B1 (fr)
CN (1) CN101835973B (fr)
DE (1) DE102007051249A1 (fr)
RU (1) RU2482323C2 (fr)
WO (1) WO2009053162A1 (fr)

Cited By (1)

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WO2023025586A1 (fr) 2021-08-26 2023-03-02 Vitesco Technologies GmbH Procédé d'allumage d'un moteur thermique d'un véhicule automobile

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Also Published As

Publication number Publication date
US9745946B2 (en) 2017-08-29
WO2009053162A1 (fr) 2009-04-30
CN101835973B (zh) 2012-06-13
RU2482323C2 (ru) 2013-05-20
JP5351895B2 (ja) 2013-11-27
EP2203640B1 (fr) 2019-01-23
DE102007051249A1 (de) 2009-04-30
CN101835973A (zh) 2010-09-15
JP2011501022A (ja) 2011-01-06
US20110270506A1 (en) 2011-11-03
KR20100084637A (ko) 2010-07-27
RU2010120795A (ru) 2011-12-10
KR101583847B1 (ko) 2016-01-08

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