EP1155236A1 - Zündsteuervorrichtung und -verfahren - Google Patents
Zündsteuervorrichtung und -verfahrenInfo
- Publication number
- EP1155236A1 EP1155236A1 EP99957963A EP99957963A EP1155236A1 EP 1155236 A1 EP1155236 A1 EP 1155236A1 EP 99957963 A EP99957963 A EP 99957963A EP 99957963 A EP99957963 A EP 99957963A EP 1155236 A1 EP1155236 A1 EP 1155236A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- angle
- temperature
- output mode
- charging time
- 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
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
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
-
- 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
- F02P3/053—Opening or closing the primary coil circuit with semiconductor devices using digital techniques
-
- 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
- F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
- F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
- F02P7/077—Circuits therefor, e.g. pulse generators
- F02P7/0775—Electronical verniers
Definitions
- the present invention relates to an ignition control device and a corresponding ignition control method.
- Ignition control devices for controlling ignition events for ignition coil ignition systems or devices essentially have two control functions, the control of one; desired ignition energy via the duty cycle or charging time of the ignition coil and the correct angle control of one
- Ignition pulse over the switch-off time or the end of charging of the ignition coil.
- the ignition energy which is measured in coil ignition systems over a charging time of the ignition coil, is of different lengths depending on the electrical system voltage applied to the electrical circuit of the coil and the time constant of the electrical circuit.
- the respective setpoints are usually stored as a characteristic curve field in the control unit as a function of the speed and possible further engine parameters.
- the setpoints "charging time” and "ignition angle” result in a conflict of objectives when a speed dynamic occurs.
- the angular position of the start of the charging phase that is the closing start angle, must be selected such that the ignition angle is reached after the end of the charging time. This means that the timing of the crankshaft movement must already be known at the time of calculating the ignition event.
- Conventional control devices have an angle sensor wheel for outputting angle signals, which delivers angularly equidistant pulses to the ignition control device.
- the calculation of the ignition events can only be carried out in segments, whereby one segment is the angular interval of 720 ° of the crankshaft divided by the number of cylinders, i.e. 180 ° for a four-cylinder engine. Therefore, the angular positions of the ignition events determined in the calculation can be made via the angle encoder wheel and the timer / counter circuits customary in the ignition control devices are measured with sufficient accuracy, but the calculation itself is based on a detected speed, which is no longer present in the speed dynamics at the point of ignition.
- FIG. 2 shows a schematic illustration of the ignition sequence in a four-cylinder internal combustion engine.
- a complete cycle is 720 ° KW corresponding to a cycle time t z ⁇ .
- FIG. 3 shows a schematic representation of the ignition control functional sequences in the segment of the first cylinder of the four-cylinder internal combustion engine with regard to the control of the ignition coil current I z .
- the speed N is recorded and immediately afterwards the charging time t L and the ignition angle w z (approximately equal to the closing end angle) are taken from a characteristic field B.
- the angle w LB starting from 0 °, is recorded using the crankshaft sensor signal KWS and the output stage of the ignition coil is actuated when the angle W B is reached. Then the charging time t L is controlled with a timer and the control is interrupted after the charging time t has elapsed.
- the angle W LB In the case of the ignition angle output mode, the angle W LB, starting from 0 °, is recorded using the crankshaft sensor signal KWS and the output stage of the ignition coil is actuated when the angle W ⁇ B is reached. With a further counter C2, starting from 0 °, the angle w z is recorded via the crankshaft sensor signal KWS and the control is interrupted when the angle w z is reached.
- the control targets charging time and ignition angle are usually prioritized in ignition control devices. Ent- if one closes for the exact output of the charging time - the so-called charging time output mode - via the timer / counter circuit, the starting angle (speed increase) results in a late offset of the ignition angle. If, on the other hand, the ignition angle is output exactly - so-called ignition angle output mode - the charging time and thus the energy in the ignition coil are reduced in the start dynamics, which can lead to misfires.
- the output method i.e. Load time output or ignition angle output, depending on the properties of the target system, or there is a switchover of the output method at a limit speed. It is usual here to output the charging time during start and to switch to ignition angle output from a limit speed at which the speed sampling is so high-frequency that the dynamic error becomes negligible, but from which, on the other hand, the sensitivity of the torque increases sharply above the ignition angle.
- the charging time is waited for after the charging start angle has been reached and ignited in the coil if the target energy is maintained exactly. This guarantees sufficient energy with minimal power loss.
- the ignition angle is shifted late depending on the closing time and the position of the target ignition angle. In the application of the ignition angle, therefore, at speed in the The order of magnitude of the starter speed expediently adds a dynamic advance in the direction.
- the ignition angle is measured independently of the charging start angle. If acceleration occurs, the device ignites before the charging time has expired. In the application, dynamic acceleration is expediently applied to the charging time in the late direction at high acceleration and low speed.
- the ignition control device according to the invention with the features of claim 1 and the corresponding ignition control method according to claim 5 have the advantage over the known solution approaches that a selection of the ignition method suitable for the current physical conditions of the ignition control device is carried out.
- the invention simplifies the application of the ignition control device, since the mode selection is determined automatically from the current physical conditions. An adaptation to the requirements of different areas of application is thus much easier.
- the charging time output mode is always activated in the case of loss-critical conditions with poor knowledge of the time-angle curve.
- loss-critical conditions are automatically generated from a ne simple calculation model for estimating the temperature in the output stage was recognized. If, based on a loss-critical condition, a decision is made to load the time, this decision will suitably prevail over other possible switchover criteria for reasons of component protection.
- a lead setting device for setting a dynamic lead with positive acceleration in the late direction for the ignition angle output mode at predetermined speeds, preferably at low speeds, and / or for setting a dynamic lead in the early direction for the charging time output mode .
- the detection device for detecting loss-critical states of the output stage of the ignition coil device in the ignition angle output mode has a temperature determination device for determining the temperature of the output stage of the ignition coil device; temperature increase prediction means for predicting a temperature increase of the output stage of the ignition coil device after an ignition event in the ignition angle output mode; and a decision device for Deciding a loss-critical state when the determined temperature increase exceeds a predetermined value and preferably when the detected speed falls below a predetermined value at the same time.
- the temperature determining device for determining the temperature of the final stage of the ignition coil device has a temperature detecting device for detecting the engine temperature and a temperature estimation device for estimating the temperature of the final stage of the ignition coil device based on the detected engine temperature.
- Fig. 2 is a schematic representation of the ignition sequence in a four-cylinder internal combustion engine
- Fig. 3 is a schematic representation of the Zünds control functions in the segment of the first cylinder of the four-cylinder internal combustion engine.
- FIG. 1 shows a flow chart for explaining an exemplary embodiment of the present invention. The following procedure is proposed in this exemplary embodiment.
- a large dynamic reserve is applied to the charging time in the late direction at low speed.
- this can lead to overheating of the output stage of the ignition coil, especially in the static case or in the event of a negative change in the speed.
- the power loss must be minimized, ie it must be switched to the charging time output mode, since in this mode no dynamic advance towards the charging time is added, the additional power loss produced.
- the temperature level of the power amplifier housing is derived from the engine temperature, which is measured in step S100.
- the engine temperature tmot plus an offset is used as the housing temperature of the final stage of the ignition coil.
- the power loss of the output stage is shown as a function of the intended charging time including dynamic reserve.
- the power loss generates a temperature increase via the heat resistors up to the installation location of the power amplifier housing.
- the thermal resistance is shown as a proportionality constant.
- the transition from the base temperature from the output stage (housing temperature) to the level of the temperature increase is represented by a low-pass filter of the first order.
- the charging time output mode ZWA can be maintained or if the threshold value S is undershot or the threshold NO is exceeded for the rotation number can be switched back to the ignition angle output mode LZA. Additional criteria for the following mode decisions, for example error estimates, etc., can also be incorporated.
- the total charging time is used as the charging time.
- the power loss is also assessed with a factor for the spark band.
- the power loss is a function of the total charge time for an ignition process based on the duration of a work cycle.
- the housing temperature tambient is as follows:
- dtemp is the temperature offset or offset between the housing temperature and the motor temperature.
- the power loss P loss is obtained as a function of the closing time as follows.
- P loss f (closing time) + balance • correction factor
- closing time is the total closing time, i.e. with conventional ignition the charging time and with ignition via a spark band the sum of all closing times
- Correction factor is a correction factor of the power loss balance, since the power loss balance is calculated differently when using residual energy in the spark band ignition.
- the final temperature increase in the output stage results from:
- dt loss is the increase in temperature caused by the loss of power and the thermal power factor is a proportionality constant corresponding to the heat conduction.
- the temperature curve results from a low-pass filter of the first order:
- tend stage tambient + (le ⁇ t / ⁇ ) dt loss
- tend stage is the estimated temperature of the final stage
- t is time
- -Tau- is a time constant
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)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19906391 | 1999-02-16 | ||
DE19906391A DE19906391A1 (de) | 1999-02-16 | 1999-02-16 | Zündsteuervorrichtung und -verfahren |
PCT/DE1999/003568 WO2000049289A1 (de) | 1999-02-16 | 1999-11-10 | Zündsteuervorrichtung und -verfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1155236A1 true EP1155236A1 (de) | 2001-11-21 |
EP1155236B1 EP1155236B1 (de) | 2003-08-27 |
Family
ID=7897636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99957963A Expired - Lifetime EP1155236B1 (de) | 1999-02-16 | 1999-11-10 | Zündsteuervorrichtung und -verfahren |
Country Status (9)
Country | Link |
---|---|
US (1) | US6571783B1 (de) |
EP (1) | EP1155236B1 (de) |
JP (1) | JP2002537518A (de) |
KR (1) | KR100669001B1 (de) |
CN (1) | CN1229574C (de) |
BR (1) | BR9917105B1 (de) |
DE (2) | DE19906391A1 (de) |
RU (1) | RU2001124832A (de) |
WO (1) | WO2000049289A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10012956A1 (de) * | 2000-03-16 | 2001-09-20 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Regelung des Energieangebots für die Zündung einer Brennkraftmaschine |
DE10041443A1 (de) * | 2000-08-23 | 2002-03-07 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine und entsprechende Vorrichtung |
DE10104252C1 (de) * | 2001-01-31 | 2002-08-22 | Siemens Ag | Verfahren zum steuern einer Brennkraftmaschine |
JP4020046B2 (ja) * | 2003-08-29 | 2007-12-12 | 株式会社デンソー | 内燃機関の制御装置 |
US6970780B2 (en) * | 2004-02-13 | 2005-11-29 | Ford Global Technologies, Llc | System and method for transitioning between engine device schedules based on engine operating condition |
DE102004014369A1 (de) * | 2004-03-24 | 2005-10-13 | Robert Bosch Gmbh | Verfahren zur Steuerung einer Brennkraftmaschine |
FR2922966B1 (fr) * | 2007-10-30 | 2010-02-26 | Siemens Vdo Automotive | Procede de commande de l'allumage d'un moteur a essence |
JP4466745B2 (ja) * | 2008-02-08 | 2010-05-26 | トヨタ自動車株式会社 | 内燃機関の制御装置および制御方法 |
KR101171905B1 (ko) * | 2009-06-09 | 2012-08-07 | 기아자동차주식회사 | 엔진의 점화 시스템 및 이의 제어방법 |
JP6274188B2 (ja) * | 2015-11-12 | 2018-02-07 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4121556A (en) | 1975-05-13 | 1978-10-24 | Fabbrica Italiana Magneti Marelli, S.P.A. | Spark advance system for internal combustion engines comprising a device for controlling the charge current in the ignition coil in connection with significant parameters |
DE2648341C2 (de) * | 1976-10-26 | 1984-11-22 | Robert Bosch Gmbh, 7000 Stuttgart | Elektronische Gebereinrichtung |
JPS54158531A (en) | 1978-06-05 | 1979-12-14 | Nippon Denso Co Ltd | Electronic type ignition time controller |
DE3042245A1 (de) | 1980-11-08 | 1982-06-09 | Robert Bosch Gmbh, 7000 Stuttgart | Elektronisches brennkraftmaschinensteuersystem |
JPS60219462A (ja) | 1984-04-16 | 1985-11-02 | Nippon Denso Co Ltd | 内燃機関用点火制御装置 |
JPS61169666A (ja) * | 1985-01-21 | 1986-07-31 | Honda Motor Co Ltd | 内燃エンジンの点火時期制御方法 |
KR930005035B1 (ko) | 1988-03-07 | 1993-06-12 | 미쓰비시전기주식회사 | 점화시기 제어장치 |
JPH0237171A (ja) | 1988-07-26 | 1990-02-07 | Fuji Heavy Ind Ltd | エンジンの点火時期制御装置 |
SE468292B (sv) * | 1991-04-12 | 1992-12-07 | Sem Ab | Saett att styra triggfoerlopp |
JP2697458B2 (ja) | 1992-02-28 | 1998-01-14 | 三菱自動車工業株式会社 | エンジンの点火時期制御装置 |
JPH09242621A (ja) * | 1996-03-07 | 1997-09-16 | Honda Motor Co Ltd | 内燃機関の蒸発燃料制御装置 |
JP3186605B2 (ja) * | 1996-10-25 | 2001-07-11 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
US6135087A (en) * | 1998-12-15 | 2000-10-24 | Chrysler Corporation | Launch spark |
US6237566B1 (en) * | 1999-12-01 | 2001-05-29 | Arctic Cat Inc. | Two-cycle engine with exhaust temperature-controlled ignition timing |
-
1999
- 1999-02-16 DE DE19906391A patent/DE19906391A1/de not_active Withdrawn
- 1999-11-10 DE DE59906805T patent/DE59906805D1/de not_active Expired - Lifetime
- 1999-11-10 BR BRPI9917105-8B1A patent/BR9917105B1/pt not_active IP Right Cessation
- 1999-11-10 KR KR1020017010372A patent/KR100669001B1/ko not_active IP Right Cessation
- 1999-11-10 CN CNB998159913A patent/CN1229574C/zh not_active Expired - Fee Related
- 1999-11-10 RU RU2001124832/06A patent/RU2001124832A/ru not_active Application Discontinuation
- 1999-11-10 JP JP2000600000A patent/JP2002537518A/ja active Pending
- 1999-11-10 EP EP99957963A patent/EP1155236B1/de not_active Expired - Lifetime
- 1999-11-10 US US09/913,798 patent/US6571783B1/en not_active Expired - Fee Related
- 1999-11-10 WO PCT/DE1999/003568 patent/WO2000049289A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0049289A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20010102172A (ko) | 2001-11-15 |
WO2000049289A1 (de) | 2000-08-24 |
DE59906805D1 (de) | 2003-10-02 |
RU2001124832A (ru) | 2003-05-27 |
DE19906391A1 (de) | 2000-08-17 |
BR9917105B1 (pt) | 2013-08-13 |
KR100669001B1 (ko) | 2007-01-17 |
EP1155236B1 (de) | 2003-08-27 |
BR9917105A (pt) | 2001-11-27 |
US6571783B1 (en) | 2003-06-03 |
JP2002537518A (ja) | 2002-11-05 |
CN1334901A (zh) | 2002-02-06 |
CN1229574C (zh) | 2005-11-30 |
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