EP2470777A1 - Verfahren zum einspuren eines andrehritzels einer startervorrichtung in einen zahnkranz einer brennkraftmaschine - Google Patents
Verfahren zum einspuren eines andrehritzels einer startervorrichtung in einen zahnkranz einer brennkraftmaschineInfo
- Publication number
- EP2470777A1 EP2470777A1 EP10751860A EP10751860A EP2470777A1 EP 2470777 A1 EP2470777 A1 EP 2470777A1 EP 10751860 A EP10751860 A EP 10751860A EP 10751860 A EP10751860 A EP 10751860A EP 2470777 A1 EP2470777 A1 EP 2470777A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- meshing
- andrehritzels
- pinion
- 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
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/025—Engine noise, e.g. determined by using an acoustic sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
- F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2004—Control related aspects of engine starting characterised by the control method using adaptive control
Definitions
- the invention relates to a method for meshing a Andrehritzels a starter device in a ring gear of an internal combustion engine according to the preamble of claim 1.
- the invention has for its object to perform the engagement process in a starter device of an internal combustion engine quickly, quietly and with reduced mechanical stress.
- the inventive method relates to the meshing or engagement of a Andrehritzels a starter device in a ring gear of an internal combustion engine, wherein before the meshing the speed of the Andrehritzels is tuned to the speed of the ring gear.
- the method is carried out in particular in cases in which the ring gear of the internal combustion engine rotates at a rotational speed greater than zero.
- the starting pinion is accelerated to a minimum rotational speed, which is not necessarily identical to the rotational speed of the ring gear;
- deviations between the speeds of rotation of the starter pinion and ring gear are possible within a permissible, specified amount.
- the method according to the invention thus relates, in a preferred application, to a dynamic meshing operation and is particularly suitable for so-called start-stop systems of internal combustion engines, which are characterized by a large number of switch-off and starting operations.
- the internal combustion engine can already be switched off when it reaches or shortly before a stop, for example, when the limit speed falls below a certain limit. After switching off the internal combustion engine, the engine is already in operation
- Starter device is engaged to restart the fastest possible To allow internal combustion engine.
- the Andren pinion of the starter device is adjustable for this purpose between a disengaged state outside of the ring gear and an engaged, meshing with the ring gear state, even before the engagement or -tracks the Umlaufgeschwindig- speed of Andrehritzels to the rotational speed of the ring gear of the
- a vibration characteristic lies outside of a permissible value range
- the control of the starting pinion is varied during a subsequent engagement process. If the vibration parameter lies outside the permissible value range, this indicates that the teeth of the front sprocket and ring gear meet during the meshing process.
- the likelihood is increased that in the subsequent meshing process the teeth of the starter pinion strike the gaps between the teeth of the ring gear of the internal combustion engine, thereby avoiding the high mechanical load which is caused by a direct impact of teeth. on-tooth arises.
- the noise is reduced, and the Einspurvorgang can be carried out in less time.
- various parameters or characteristic variables can be varied, which determine the activation of the starting pinion. Considered is the pinion speed or the turn-on time at which the pinion speed is accelerated.
- the adjusting movement of the Andrehritzels between disengaged and engaged state can be changed, for example, the advancing speed or the starting time at which the axial advancing of the Andrehritzels begins. In principle, it is possible to have only one variation of one of these parameters or parameters or several parameters. - A - ter. When changing the pinion speed is both an increase and a reduction of the speed into consideration.
- the variation in the control of the starting pinion is carried out in the following directly on a Einspurvorgang with successive teeth Einspurvorgang. If the change proves to be favorable in this subsequent single-track operation, in that the teeth of the starter pinion and ring gear engage in one another in a form-fitting manner, the parameters of the activation process are stored and also retained for the further meshing operations. If it is determined that despite changed parameters again the teeth of the piecing impinge on the teeth of the ring gear during the Einspurvorgangs, in turn, the driving process is varied, with both a change in the same characteristic as well as a change in another characteristic or a change in several Characteristics comes into consideration.
- vibration characteristic concerned is the amplitude, the frequency
- Vibration number and the mean vibration value both one of these characteristics as well as several combined vibration characteristics can be considered.
- a query is made as to whether one or more of the vibration characteristics lie within or outside a permissible range.
- the invention can be used in internal combustion engines with starter device and a control or control device in which the process runs.
- a knock sensor is expediently used, which is arranged on the crankcase or on the cylinder head of the internal combustion engine and over which the of
- a knock sensor For example, a piezoelectric sensor is used. On the basis of a characteristic measurement signal curve, it can be determined whether the measured oscillations actually result from a meeting of the teeth of the starting pinion and ring gear during the meshing operation.
- 1 is a block diagram of an internal combustion engine with a starter device
- FIG. 2 is a schematic representation of the rows of teeth of starter pinion on the starter device and sprocket on the internal combustion engine during a Einspurvorganges, with multiple teeth directly meet,
- FIG. 3 shows various graphs with curves of the vibration signal of the internal combustion engine taken up by a knock sensor, with respective associated travel of the starter pinion during the meshing process
- the internal combustion engine 1 is started by means of a starter device 2, which comprises an electric starter motor 3, an actuator 4 with an engagement lever 5 for the axial adjustment of a starting pinion 6 and a control unit 7.
- a starter device 2 which comprises an electric starter motor 3, an actuator 4 with an engagement lever 5 for the axial adjustment of a starting pinion 6 and a control unit 7.
- the engagement or Einspurvorgang carried out by actuation of the actuator 4, whereupon the engagement lever 5 in the disengaged, not in engagement with the ring gear 8 on the internal combustion engine 1 Andrehritzel 6 moves axially forward in the engaged oriserpurten state, in which the teeth of the Andrehritzels 6 mesh with the teeth of the connected to the crankshaft of the engine sprocket 8.
- the speed of the Andrehritzels 6 can be increased even before engagement.
- the rotational speed of the starting pinion 6 is particularly dependent on the rotational speed of the ring gear 8, with Deviations in the speeds of starter pinion 6 and ring gear 8 are allowed up to a predetermined level.
- the electric power supply of the starter device 2 via a battery 10.
- the operation of the electric starter motor 3 and the actuator for engagement and disengagement of the Andrehritzels 6 via control signals of the control or control unit 7, which communicates with another control unit 9 of the internal combustion engine.
- the internal combustion engine 1 is equipped with a knock sensor 1 1, which is preferably designed as a piezoelectric sensor, in which mechanical vibrations generate a voltage.
- the signals of the knock sensor 1 1 are supplied to the motor vehicle control unit 9 and / or the control or control unit 7 of the starter device 2 as input signals.
- the control of the starter device 2, so both the electric starter motor 3 and the electric actuator 4, takes place in dependence of the measurement signals of the knock sensor 1 first
- Fig. 2 a striking of the teeth 6a of Andrehritzels 6 is shown on the teeth 8a of the ring gear 8 in a schematic manner. This condition can occur during engagement, with basically both just one tooth
- FIG. 3 various diagrams are shown, wherein the upper diagrams represent the measured over the knock sensor on the internal combustion engine waveform that arises during the engagement process in the internal combustion engine, and the lower diagrams reflect the respectively associated travel of Andrehritzels.
- the diagram at the top left stands for a meet several teeth of Andrehritzels on several teeth of the ring gear at the moment of engagement, as shown in Fig. 2.
- This process leads to several oscillations with a relatively high amplitude. This corresponds to the course of the travel 13 of the piecing, the course first remains at a medium level and oscillates around this average level, until finally the teeth of Andrehritzels protrude into the gaps between adjacent teeth of the ring gear and the starting pinion reaches its final position Has.
- the flowchart of FIG. 4 shows the individual method steps.
- the measured vibrations are evaluated, in particular with regard to vibration characteristics such as amplitude, number of oscillations, frequency and mean vibration value.
- At least one vibration parameter is checked for exceeding an admissible value range. If this is not the case, all vibration parameters are within the permissible range, and following the no-branch ("N"), the system returns to the beginning of the process, which is repeated at cyclic intervals Engaging the teeth of the starting pinion in the gaps between teeth of the ring gear, but if one or more of the observed vibration parameters are outside the allowable range, the yes branch ("Y") is followed. proceeded to the next method step 23, in which a parameter of the control of Andrehritzels is varied. This parameter is, for example, the pinion speed, which can be increased or decreased, by the start-up time at which the electric starter motor is started and the starter pinion is accelerated to the desired speed, or at
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009028870A DE102009028870A1 (de) | 2009-08-26 | 2009-08-26 | Verfahren zum Einspuren eines Andrehritzels einer Startervorrichtung in einen Zahnkranz einer Brennkraftmaschine |
PCT/EP2010/062044 WO2011023613A1 (de) | 2009-08-26 | 2010-08-18 | Verfahren zum einspuren eines andrehritzels einer startervorrichtung in einen zahnkranz einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2470777A1 true EP2470777A1 (de) | 2012-07-04 |
EP2470777B1 EP2470777B1 (de) | 2015-03-04 |
Family
ID=43063332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10751860.7A Not-in-force EP2470777B1 (de) | 2009-08-26 | 2010-08-18 | Verfahren zum einspuren eines andrehritzels einer startervorrichtung in einen zahnkranz einer brennkraftmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US8813707B2 (de) |
EP (1) | EP2470777B1 (de) |
DE (1) | DE102009028870A1 (de) |
WO (1) | WO2011023613A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011078839A1 (de) * | 2011-07-08 | 2013-01-10 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Überwachen eines Einspurvorgangs eines Einspurritzels eines Startermotors |
FR2987083B1 (fr) * | 2012-02-16 | 2015-11-13 | Valeo Equip Electr Moteur | Dispositif de demarrage d'un moteur thermique d'un vehicule automobile muni d'un capteur de deplacements et procede associe |
DE102015219505B4 (de) | 2015-10-08 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Ritzelstartergetriebe mit korrigierter Zahnradgeometrie |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1279543B1 (it) * | 1995-02-17 | 1997-12-16 | Magneti Marelli Spa | Dispositivo per il controllo elettronico di un elettromagnete di innesto, in particolare per un motorino d'avviamento. |
EP1154153B1 (de) * | 2000-05-09 | 2007-04-04 | Denso Corporation | Anlassverfahren für einen Verbrennungsmotor gemäss Freilauf-Haltezustand |
DE10218011A1 (de) * | 2002-04-23 | 2003-11-06 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Detektion der Beendigung eines Startvorgangs bei einer Brennkraftmaschine eines Kraftfahrzeugs |
JP2005098245A (ja) * | 2003-09-26 | 2005-04-14 | Hitachi Ltd | スタータの異常検出装置及び方法 |
DE102006011644A1 (de) | 2006-03-06 | 2007-09-13 | Robert Bosch Gmbh | Vorrichtung mit einem ersten Getriebeteil zum Einspuren in ein zweites Getriebeteil, insbesondere Startvorrichtung mit einem Ritzel zum Einspuren in einen Zahnkranz einer Brennkraftmaschine sowie Verfahren zum Betrieb einer derartigen Vorrichtung |
FR2925616A1 (fr) * | 2007-12-20 | 2009-06-26 | Renault Sas | Procede de commande pour demarreur d'un moteur a combustion et son application |
JP5251687B2 (ja) * | 2009-04-02 | 2013-07-31 | 株式会社デンソー | スタータ |
-
2009
- 2009-08-26 DE DE102009028870A patent/DE102009028870A1/de not_active Withdrawn
-
2010
- 2010-08-18 US US13/392,324 patent/US8813707B2/en not_active Expired - Fee Related
- 2010-08-18 EP EP10751860.7A patent/EP2470777B1/de not_active Not-in-force
- 2010-08-18 WO PCT/EP2010/062044 patent/WO2011023613A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2011023613A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2470777B1 (de) | 2015-03-04 |
WO2011023613A1 (de) | 2011-03-03 |
US8813707B2 (en) | 2014-08-26 |
US20120204826A1 (en) | 2012-08-16 |
DE102009028870A1 (de) | 2011-03-03 |
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