WO1994003724A1 - Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken - Google Patents
Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken Download PDFInfo
- Publication number
- WO1994003724A1 WO1994003724A1 PCT/DE1993/000646 DE9300646W WO9403724A1 WO 1994003724 A1 WO1994003724 A1 WO 1994003724A1 DE 9300646 W DE9300646 W DE 9300646W WO 9403724 A1 WO9403724 A1 WO 9403724A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ignition
- spark
- charging process
- individual
- sequence
- 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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
-
- 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
- F02P3/045—Layout of circuits for control of the dwell or anti dwell time
- F02P3/0453—Opening or closing the primary coil circuit with semiconductor devices
- F02P3/0456—Opening or closing the primary coil circuit with semiconductor devices using digital techniques
Definitions
- the invention is based on an ignition system for internal combustion engines, according to the preamble of the main claim.
- An ignition system for internal combustion engines for generating secondary spark ignitions from DE-PS 23 40 865 is already known.
- a secondary spark ignition is an ignition at the target ignition timing calculated by the control unit, the spark of which, however, is not allowed to burn out completely. Rather, the coil is recharged using the residual energy and ignites again. This process is repeated until the spreadability limit is reached.
- the distributability limit is the crankshaft angle, which the ignition point of the last ignition may not exceed a subsequent spark ignition, since there is otherwise the risk that the ignition spark will fall into the exhaust cycle when the high-voltage distribution is at rest or that the available high voltage will reach the spark plug when the high-voltage distribution is rotating next cylinder is given. In both cases, this would adversely affect the driving behavior of the internal combustion engine. For this reason, the charging process for the last individual ignition of a subsequent spark ignition was previously interrupted when the distributability limit was reached.
- the arrangement according to the invention with the characterizing features of the main claim has the advantage that, in addition to the distributability limit, a further crankshaft angle is introduced, which is obtained by subtracting the closing angle belonging to a charging process of a single ignition from the angle of the distributability limit. This ensures that the charging process of the last individual ignition of the subsequent spark ignition can be completed in any case, so that the stored energy is sufficient to trigger an ignition spark. The triggering of a charging process, which would then be interrupted when the distributability limit was reached, regardless of how fully the coil is charged, is now avoided. This means that there is no unnecessary loss of energy.
- the control unit of the internal combustion engine can also adapt the closing time of each individual ignition of the subsequent spark ignition according to the conditions of the internal combustion engine by detecting the supply voltage, so that here too the primary current is only switched off when the energy stored in the ignition coil triggers a spark on the spark plug under normal operating conditions.
- FIG. 1 shows the basic structure of an ignition system
- Figure 2 schematically Charging processes of the individual ignitions of a subsequent spark ignition over the corresponding time range or the range of the crankshaft angle in which the subsequent spark ignition takes place
- FIG. 3 schematically shows the charging processes of the individual ignitions with different supply voltages.
- FIG. 1 shows the basic structure of an ignition system of an internal combustion engine, not shown.
- a control unit 1 detects, for example, a microprocessor, various operating parameters of the internal combustion engine, such as speed n, pressure p, supply voltage U, temperature T, etc., as input variables 2 in order to determine the ignition timing ZZP on this basis.
- the ignition transistor 4 is activated via a connection 3 of the control unit 1 to switch the current flow in the ignition coil 5 on and off.
- the ignition transistor 4 is connected on the collector side to the supply voltage U via a series circuit with the primary winding 6.
- the ignition transistor 4 On the emitter side, the ignition transistor 4 is connected to ground via a current shunt 7. Between the emitter of the ignition transistor and the current shunt 7 there is a tap 8, from which a voltage proportional to the primary current I is detected via a connection 9 in the control unit 1 during the control of the control transistor 4.
- FIG. 2 shows the time course of the primary current I during the individual ignitions EZ of a subsequent spark ignition FFZ over the range of the crankshaft angle in which the secondary spark ignition is triggered.
- the course of the primary current can also be viewed over time t, for example in relation to top dead center OT.
- the first unit EZ1 is triggered by the control unit. It is possible by recording the Primary current I in the control unit to trigger the ignition only when a predeterminable maximum value I is reached. This is
- the distributability limit VG is entered on the crankshaft angle or time axis, at which point the secondary spark ignition FFZ is interrupted in any case in order to prevent the ignition system from being destroyed.
- the distributability limit VG is 18 ° crankshaft angle after top dead center TDC.
- the dashed line 10 symbolizes the charging process AL of the last individual spark ignition, as has been carried out up to now. It can be clearly seen here that the charging process AL is not sufficient to achieve a predetermined value for the primary current I, so 3 max that an ignition spark is produced under normal operating conditions.
- the charging process of a single ignition is dependent, for example, on the parameters of the ignition coil or the current operating conditions.
- the charging process of the first individual ignition is here about 5 ms and the charging process of the subsequent individual firings ALI is 2 ms.
- the charging process of the first individual ignition EZ1 of a subsequent spark ignition FFZ is longer than the charging process AL of the subsequent individual ignition. This fact is due to the fact that, under normal conditions, no residual energy is present in the ignition coil during the charging process of the first single ignition EZ1, while in the subsequent individual ignitions the ignition spark does not completely burn out when the ignition coil is switched on again, and so residual energy is still stored in the ignition coil . Therefore, in addition to the distributability limit VG, another limit value 11 is introduced, which is determined by subtracting a charging process AL from the distributability limit VG.
- a charging process on the coil which has already been initiated at this point 11 is still being completed and is still being ignited. However, if charging has not yet started, ie if the additional limit 11 coincides with the open time, which is, for example, 15 us, no charging, ie no single ignition EZ, is started. It follows from this that the last individual ignition EZ of a subsequent spark ignition FFZ is carried out with the maximum possible spark energy - in the example according to FIG. 2 this is the single ignition EZ4.
- Supply voltage U must also be taken into account when determining the duration of the charging process AL.
- FIGS 3a, 3b and 3c show the course of the primary current I for
- FIG. 3a the primary current profile with a high supply voltage U (large), in FIG. 3b with a medium supply B
- FIG. 3a to 3c shows the course of the primary current of three individual ignitions. It can be seen that the
- FIG. 3a shows that the primary current I before the end of the
- control device 1 detects the supply voltage and calculates a correspondingly adapted charging time for the individual ignition.
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
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93915652A EP0607383B1 (de) | 1992-08-08 | 1993-07-22 | Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken |
JP50488794A JP3194955B2 (ja) | 1992-08-08 | 1993-07-22 | 内燃機関用点火装置 |
US08/211,578 US5462036A (en) | 1992-08-08 | 1993-07-22 | Ignition system for internal combustion engines |
DE59301469T DE59301469D1 (de) | 1992-08-08 | 1993-07-22 | Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4226246A DE4226246A1 (de) | 1992-08-08 | 1992-08-08 | Zündanlage für Brennkraftmaschinen |
DEP4226246.1 | 1992-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994003724A1 true WO1994003724A1 (de) | 1994-02-17 |
Family
ID=6465119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1993/000646 WO1994003724A1 (de) | 1992-08-08 | 1993-07-22 | Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken |
Country Status (6)
Country | Link |
---|---|
US (1) | US5462036A (de) |
EP (1) | EP0607383B1 (de) |
JP (1) | JP3194955B2 (de) |
DE (2) | DE4226246A1 (de) |
ES (1) | ES2082654T3 (de) |
WO (1) | WO1994003724A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6213108B1 (en) * | 1999-05-21 | 2001-04-10 | Delphi Technologies, Inc. | System and method for providing multicharge ignition |
US6378513B1 (en) | 1999-07-22 | 2002-04-30 | Delphi Technologies, Inc. | Multicharge ignition system having secondary current feedback to trigger start of recharge event |
US6186130B1 (en) | 1999-07-22 | 2001-02-13 | Delphi Technologies, Inc. | Multicharge implementation to maximize rate of energy delivery to a spark plug gap |
DE10003109A1 (de) * | 2000-01-26 | 2001-08-02 | Bosch Gmbh Robert | Verfahren zur Erzeugung einer Folge von Hochspannungszündfunken und Hochspannungszündvorrichtung |
US6367318B1 (en) | 2000-03-20 | 2002-04-09 | Delphi Technologies, Inc. | Multicharge ignition system having combustion feedback for termination |
DE10121993B4 (de) | 2001-05-05 | 2004-08-05 | Daimlerchrysler Ag | Zündsystem für Verbrennungsmotoren |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3945362A (en) * | 1973-09-17 | 1976-03-23 | General Motors Corporation | Internal combustion engine ignition system |
DE2753355A1 (de) * | 1977-11-30 | 1979-06-07 | Bosch Gmbh Robert | Zuendanlage, insbesondere fuer brennkraftmaschinen |
US4933861A (en) * | 1988-10-03 | 1990-06-12 | Ford Motor Company | Ignition system with feedback controlled dwell |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE396444B (sv) * | 1972-08-21 | 1977-09-19 | Kyberna Gmbh | Tendanordning for en forbrenningsmotor |
US3976043A (en) * | 1974-12-19 | 1976-08-24 | Texaco Inc. | Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine |
US4003354A (en) * | 1974-12-19 | 1977-01-18 | Texaco Inc. | Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine |
DE2529724C3 (de) * | 1975-07-03 | 1982-02-25 | Kyberna Gmbh, 6140 Bensheim | Zündvorrichtung für eine Brennkraftmaschine |
DE2616693C3 (de) * | 1976-04-15 | 1980-09-18 | Robert Bosch Gmbh, 7000 Stuttgart | Zündanlage für Brennkraftmaschinen |
-
1992
- 1992-08-08 DE DE4226246A patent/DE4226246A1/de not_active Withdrawn
-
1993
- 1993-07-22 ES ES93915652T patent/ES2082654T3/es not_active Expired - Lifetime
- 1993-07-22 WO PCT/DE1993/000646 patent/WO1994003724A1/de active IP Right Grant
- 1993-07-22 EP EP93915652A patent/EP0607383B1/de not_active Expired - Lifetime
- 1993-07-22 US US08/211,578 patent/US5462036A/en not_active Expired - Lifetime
- 1993-07-22 JP JP50488794A patent/JP3194955B2/ja not_active Expired - Fee Related
- 1993-07-22 DE DE59301469T patent/DE59301469D1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3945362A (en) * | 1973-09-17 | 1976-03-23 | General Motors Corporation | Internal combustion engine ignition system |
DE2753355A1 (de) * | 1977-11-30 | 1979-06-07 | Bosch Gmbh Robert | Zuendanlage, insbesondere fuer brennkraftmaschinen |
US4933861A (en) * | 1988-10-03 | 1990-06-12 | Ford Motor Company | Ignition system with feedback controlled dwell |
Also Published As
Publication number | Publication date |
---|---|
DE59301469D1 (de) | 1996-02-29 |
EP0607383A1 (de) | 1994-07-27 |
US5462036A (en) | 1995-10-31 |
JPH07500172A (ja) | 1995-01-05 |
DE4226246A1 (de) | 1994-02-10 |
JP3194955B2 (ja) | 2001-08-06 |
ES2082654T3 (es) | 1996-03-16 |
EP0607383B1 (de) | 1996-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0790406B1 (de) | Elektronisches Zündsystem für Brennkraftmaschinen | |
DE10057076B4 (de) | Zündsteuerungsvorrichtung für Brennkraftmaschinen | |
EP0752580B1 (de) | Schaltungsanordnung zur Ionenstrommessung | |
DE69319253T2 (de) | Vielfachfunkenzundsystem mit variabler anzahl von zundfunken fur eine innere brennkraftmaschine | |
EP0640761B2 (de) | Steuerbare Zündanlage | |
EP1254313B1 (de) | Verfahren zur erzeugung einer folge von hochspannungszündfunken und hochspannungszündvorrichtung | |
DE10140120A1 (de) | Verfahren und Vorrichtung zum Betreiben eines Verbrennungsmotors | |
DE102007034390A1 (de) | Verfahren zum Betreiben eines Zündsystems für einen fremdzündbaren Verbrennungsmotor eines Kraftfahrzeugs und Zündsystem | |
DE19733355C2 (de) | Verbrennungszustands-Erfassungsvorrichtung für einen Verbrennungsmotor | |
EP0912828B1 (de) | Verfahren zur erkennung klopfender verbrennung bei einer brennkraftmaschine mit einer wechselspannungszündanlage | |
DE102008045367A1 (de) | Verbrennungsmotor-Zünddiagnosevorrichtung und Verbrennungsmotor-Steuervorrichtung | |
DE102004056844A1 (de) | Schnelle Vielfachfunkenzündung | |
DE2759154A1 (de) | Zuendeinrichtung fuer brennkraftmaschinen | |
EP0607383B1 (de) | Folgefunkenzündanlage für brennkraftmaschinen mit spezieller regelung für den letzten folgezündfunken | |
DE69607738T2 (de) | Zündsteuerschaltung für brennkraftmaschinen | |
DE4041630C2 (de) | ||
WO1994003723A1 (de) | Folgefunkenzündanlage für brennkraftmaschinen mit primärstromregelung | |
DE102014015486A1 (de) | Betriebsarten- und kennfeldabhängig umschaltbare Funkenbandzündung | |
DE4338740C1 (de) | Verfahren zum Reduzieren der Abgasemissionen beim Abstellen von Brennkraftmaschinen | |
DE10028105A1 (de) | Fehlzündungsdetektionssystem mittels Ionenmessung bei einer Schließvorspannung | |
DE19652896B4 (de) | Vorrichtung und Verfahren zur Zylindererkennung in einer Brennkraftmaschine | |
EP0933525B1 (de) | Vorrichtung und Verfahren zur Zylindererkennung in einer Brennkraftmaschine | |
DE19720534C2 (de) | Verfahren zur Beeinflussung des Zündverhaltens von Zündkerzen | |
DE2540776A1 (de) | Zuendsystem fuer brennkraftmaschinen | |
DE725624C (de) | Batteriezuendanlage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1993915652 Country of ref document: EP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 08211578 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1993915652 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1993915652 Country of ref document: EP |