EP2483550A1 - Procédé de contrôle d'un engrènement de pignon d'un système de démarrage - Google Patents

Procédé de contrôle d'un engrènement de pignon d'un système de démarrage

Info

Publication number
EP2483550A1
EP2483550A1 EP10740616A EP10740616A EP2483550A1 EP 2483550 A1 EP2483550 A1 EP 2483550A1 EP 10740616 A EP10740616 A EP 10740616A EP 10740616 A EP10740616 A EP 10740616A EP 2483550 A1 EP2483550 A1 EP 2483550A1
Authority
EP
European Patent Office
Prior art keywords
pinion
rotational speed
driven
drive
indicative
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.)
Withdrawn
Application number
EP10740616A
Other languages
German (de)
English (en)
Inventor
Jie Ge
Apostolos Tsakiris
Stefan Tumback
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 EP2483550A1 publication Critical patent/EP2483550A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/10—Safety devices
    • 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
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
    • F02N2200/022—Engine speed
    • 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
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/041—Starter speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/13—Machine starters

Definitions

  • the present invention relates to the field of starter systems, in particular the start-stop systems.
  • starter systems for driving stationary internal combustion engines, starter systems, in particular pinion starters, are used in which a pinion is meshed with a toothed ring connected to a crankshaft of the internal combustion engine.
  • the pinion is usually driven by an electric motor, so that the internal combustion engine can be driven via a sprocket gear engagement.
  • Starter systems of the aforementioned type are used in particular in so-called start-stop systems, which are used in modern vehicles with so-called automatic start-stop.
  • start-stop systems which are used in modern vehicles with so-called automatic start-stop.
  • the internal combustion engine is switched off when the vehicle is stationary and, for example, driven again to start up.
  • a further development of the aforementioned starter systems has an electronic control of the electric motors to the object, wherein the starter system in addition to the starter also includes a starter or relay control unit, so that the meshing and starting or cranking of the pinion are performed separately
  • An optimized start-stop function with increased comfort is achieved.
  • the separate control of the meshing process, in which the pinion is meshed into the ring gear, and the starting process, in which the pinion is rotated by means of the electric motor in a rotational movement, however, is prone to error especially in the absence of synchronization between the pinion and the ring gear.
  • such an error takes place, for example, when meshing in the outlet of the internal combustion engine or in the so-called pre-start, in which the pinion is meshed before the start of the internal combustion engine.
  • the feed of the pinion can be activated, for example, at the wrong time, for example, a peripheral speed of the ring gear of the engine is still much higher than that of the starter pinion.
  • the starter could be operated before a Einspurende or before the engagement of the teeth of the pinion in the ring gear of the engine, so that the pinion grinds only at the edge of the ring gear and is not inserted, so In addition to an increased noise level increased wear or even destruction of the starter pinion can be expected.
  • the present invention is based on the finding that in order to prevent the above-mentioned problems, an additional check of the meshing of a pinion of a starter system into a ring gear of a drive source to be driven, in particular of an internal combustion engine, is to be carried out.
  • This check may be based, for example, on detection of a rotational speed of the source to be driven after completion of the meshing operation and, for example, after starting the electric motor of the starter to cause the pinion to rotate. If, for example, there is no noticeable rotation, it is possible to conclude that a faulty meshing process has occurred.
  • This check can also be carried out during the lane follow, so that the Einspurvorgang can be canceled in the event of a detected Einpurtendons to avoid consequential damage.
  • the invention relates to a method for checking a meshing of a pinion of a starter system into a ring gear of a driven drive, for example an internal combustion engine, with the steps of detecting a quantity indicative of a rotational speed of the pinion and / or a rotational speed of the drive to be driven, and checking the meshing of the pinion based on the detected quantity or the two detected quantities.
  • the method comprises comparing the magnitude indicative of the speed of the pinion with the magnitude indicative of the speed of the drive to be driven to verify the meshing.
  • a possible Einpurrise can thus be detected in an advantageous manner on the basis of a speed difference.
  • the method comprises comparing the magnitude indicative of the rotational speed of the pinion and / or indicative of the rotational speed of the drive to be driven with a threshold value to check the meshing.
  • the threshold value can be stored as a reference value in a memory, for example, so that the check can always be carried out on the basis of a simple comparison.
  • the method includes initiating a meshing operation to mesh the pinion with the ring gear and comparing the magnitude indicative of the rotational speed of the driven actuator with the magnitude indicative of the rotational speed of the pinion or a threshold, in particular a reference rotational speed or a voltage indicative of a rotational speed, in order to obtain a comparison result, and the interruption of the meshing operation, if the comparison result exceeds a predetermined threshold value, in particular permanently over a predetermined time interval.
  • the pinion is placed in a rotational movement, for example by means of an electric motor, prior to detecting the quantity indicative of the rotational speed of the pinion or of the rotational speed of the drive to be driven.
  • the value indicative of the rotational speed of the drive to be driven is the rotational speed of the drive to be driven, for example the rotational speed of a shaft of the drive to be driven, or an angular position of a piston of the drive to be driven, which may for example be an internal combustion engine.
  • a plurality of usable criteria for checking the meshing of the pinion are provided.
  • the quantity indicative of the rotational speed of the pinion is an electrical voltage induced by rotation of the pinion, in particular a voltage induced in an electric motor of the starter system due to the rotation of the pinion, or a rotational speed of the pinion or a torque transmittable by the pinion.
  • the pinion is driven by an electric motor, wherein for detecting the indicative of the rotational speed of the pinion size, an electrical voltage induced at an internal resistance of a turn of the electric motor is detected.
  • the invention relates to a start-stop system comprising a pinion, an electric motor for driving the pinion, a device for meshing the pinion in a ring gear of a drive to be driven, for example an internal combustion engine, and a checking device for checking the meshing of the pinion Pinion based on a pointing to a speed of the pinion or to a speed of the driven drive size.
  • the checking device is designed to carry out the method according to the invention for checking the meshing.
  • the invention relates to a computer program with a program code for carrying out the method for checking a pinion of a pinion when the computer program is executed on a computer.
  • Fig. 2 is a start-stop system.
  • FIG. 1 shows a flow chart of a method for checking a meshing of a pinion of a starter system with a ring gear of a driven drive with the step of detecting 101 indicative of the speed of the pinion or the rotational speed of the drive to be driven, and the step of checking 103rd of tracking based on the detected magnitude.
  • the method may further comprise the step of comparing 105 sizes with each other or each with a threshold.
  • the flowchart shown in FIG. 1 simultaneously clarifies the structure of a device, which is set up and provided for example by programming technology or in hardware, to execute the method for checking the meshing.
  • Fig. 2 shows a starter system with an electric motor 201 and a pinion 203.
  • the starter system further comprises a Einspurwicklung 205, which is arranged for example in a relay, and a starter winding 207 for starting the starting process.
  • the starter winding 207 may also be arranged in a relay or in the relay mentioned above.
  • the starter system may further include a first switch 209, such as a transistor, and a second switch 21 1, which may be used to initiate or control the aforementioned operations.
  • the second switch 21 1 is connected, for example, to a terminal of the electric motor 201, wherein a resistor 213, for example a resistor R v , is arranged between the electric motor 201 and the switch 21 1.
  • the starter system further includes a starter control 215 which activates the switches 209 and 21 1.
  • the starter control further comprises a first terminal 217 connected to the resistor 213 and a second terminal 219 connected to the wire connected to the electric motor 201.
  • a motor controller 221 is provided, which is connected to the starter control 215 and to a relay 223 which opens or closes a switch 225. If the switch 225 is closed, then a voltage applied to the input of the winding 205 or the winding 207 is supplied.
  • the pinion 203 is advanced by means of a lever and a spring and in a in Fig. 2 also shown sprocket 227, in the ideal case, Schemespurt.
  • the electric motor 201 After the rotation of the pinion 203 by means of the electric motor 201, it is possible, for example, to detect a rotational speed of the internal combustion engine which is detected in a vehicle anyway.
  • the current and the voltage can be detected via the terminals 219 and 217 in order to detect a voltage induced in the motor 201 by a rotation of the pinion. This can be determined for example from a difference of the detected voltage and a product of the current with an internal resistance of the motor 201.
  • the inventive concept allows a waiver a measurement of the positions of the pinion and a Einspurankers the electric motor, which allows easy implementation.
  • a speed monitoring of the internal combustion engine can be carried out in particular when starting the starter, wherein the starting process can be stopped if, for example, no rotation of a shaft or a flywheel or the ring gear of the internal combustion engine is detected.
  • an overload of the starter during the starting process which can be caused for example by a blockage, can also be monitored over time so that damage to the starter in the event of a blockage can be avoided by interrupting the meshing process.
  • a first protection function in the event of lane entry may provide for a motor speed check, for example, via the CAN (Controller Area Network) in a 10 ms task and a maximum difference over an expected one Synchronous speed, which represents a threshold to be tested. If, for example, the rotational speed difference permanently exceeds a limit value An_max over a certain period of time, which may be, for example, 30 ms, the meshing process is aborted, for example.
  • the aforementioned protective function can be activated during the Einspurvorgangs.
  • a second protection function in the case of a pre-start phase can be defined, for example, as follows: after a certain time of, for example, 150 ms after an activation of the start process using the pre-start, for example when starting the starter at both the key start and the start Stop-Start, the engine speed is read in via CAN, for example. Is at- For example, no later than after a further specific time of, for example, 50 ms, no engine speed greater than a speed threshold of, for example, 20 rpm, the starting process can be interrupted.
  • the second protection function also provides protection against overload by blocking the internal combustion engine, since the required motor movement is then likewise not achieved within the specified time.
  • the controls 215 and 227 shown in FIG. 2 may be combined in a control unit, for example in an engine control unit, which may be set up in terms of programming.
  • the switches 209, 21 1 and 225 shown in FIG. 2 can be realized, for example, as a semiconductor switch or as a relay switch.
  • the inventive concept can be used in all known start-stop starter systems, in which the single-track and the starter operation are controlled separately.
  • Such start-stop starters can be used for example in cars or in so-called light CVs (CV: Consumer Vehicle).

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)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

L'invention concerne un procédé de contrôle d'un engrènement de pignon d'un système de démarrage dans une couronne dentée d'un entraînement à entraîner. Ledit procédé consiste à détecter (101) une grandeur indiquant une vitesse de rotation du pignon ou une vitesse de rotation de l'entraînement à entraîner, et à contrôler (103) l'engrènement sur la base de la grandeur détectée.
EP10740616A 2009-09-30 2010-08-03 Procédé de contrôle d'un engrènement de pignon d'un système de démarrage Withdrawn EP2483550A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009045159A DE102009045159A1 (de) 2009-09-30 2009-09-30 Verfahren zum Überprüfen eines Einspurens eines Ritzels eines Startersystems
PCT/EP2010/061275 WO2011038959A1 (fr) 2009-09-30 2010-08-03 Procédé de contrôle d'un engrènement de pignon d'un système de démarrage

Publications (1)

Publication Number Publication Date
EP2483550A1 true EP2483550A1 (fr) 2012-08-08

Family

ID=42988409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10740616A Withdrawn EP2483550A1 (fr) 2009-09-30 2010-08-03 Procédé de contrôle d'un engrènement de pignon d'un système de démarrage

Country Status (5)

Country Link
US (1) US20120216634A1 (fr)
EP (1) EP2483550A1 (fr)
CN (1) CN102510945A (fr)
DE (1) DE102009045159A1 (fr)
WO (1) WO2011038959A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
CN102635477A (zh) * 2012-04-20 2012-08-15 潍柴动力股份有限公司 一种起动机空转的检测方法及装置
US20140096642A1 (en) * 2012-10-05 2014-04-10 Remy Technologies, Llc Starter motor
WO2016067411A1 (fr) * 2014-10-30 2016-05-06 三菱重工コンプレッサ株式会社 Dispositif rotatif
FR3052813A1 (fr) * 2016-06-15 2017-12-22 Peugeot Citroen Automobiles Sa Procede de recalage d’une estimation d’un regime de synchronisation d’un demarreur avec un regime moteur lors d’un redemarrage
DE102018108103A1 (de) * 2018-04-05 2019-10-10 Seg Automotive Germany Gmbh Verfahren zur Überwachung eines Startes eines Verbrennungsmotors, Überwachungsvorrichtung und Starter

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JPH05240131A (ja) * 1992-02-28 1993-09-17 Hitachi Ltd 内燃機関用エアポンプの制御装置及び内燃機関の制御装置
DE19914904A1 (de) * 1999-04-01 2000-10-05 Bosch Gmbh Robert Startvorrichtung zum Andrehen einer Brennkraftmaschine
JP2000291517A (ja) * 1999-04-05 2000-10-17 Toyota Motor Corp エンジンのスタータ制御装置
FR2818703B1 (fr) * 2000-12-22 2003-02-07 Valeo Equip Electr Moteur Procede et dispositif de commande de l'alimentation d'un moteur electrique de demarreur de vehicule automobile
DE102005004326A1 (de) * 2004-08-17 2006-02-23 Robert Bosch Gmbh Startvorrichtung für einen Verbrennungsmotor mit separatem Einrück- und Startvorgang
JP4238816B2 (ja) * 2004-11-02 2009-03-18 トヨタ自動車株式会社 内燃機関の始動装置及びその始動装置に備えられたスタータギアユニット
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
DE102006039112A1 (de) * 2006-08-21 2008-02-28 Robert Bosch Gmbh Verfahren zum Ermitteln der Drehzahl eines Starters
JP2008163818A (ja) * 2006-12-28 2008-07-17 Hitachi Ltd スタータ
JP5573227B2 (ja) * 2010-03-01 2014-08-20 株式会社デンソー スタータ制御装置
JP5276697B2 (ja) * 2011-06-15 2013-08-28 三菱電機株式会社 車載エンジンの始動制御装置

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
WO2011038959A1 (fr) 2011-04-07
CN102510945A (zh) 2012-06-20
DE102009045159A1 (de) 2011-03-31
US20120216634A1 (en) 2012-08-30

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