EP0980975A1 - Méthode et dispositif pour démarrer un moteur à combustion interne - Google Patents

Méthode et dispositif pour démarrer un moteur à combustion interne Download PDF

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Publication number
EP0980975A1
EP0980975A1 EP99114217A EP99114217A EP0980975A1 EP 0980975 A1 EP0980975 A1 EP 0980975A1 EP 99114217 A EP99114217 A EP 99114217A EP 99114217 A EP99114217 A EP 99114217A EP 0980975 A1 EP0980975 A1 EP 0980975A1
Authority
EP
European Patent Office
Prior art keywords
control unit
starter
electronic control
internal combustion
combustion engine
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
EP99114217A
Other languages
German (de)
English (en)
Other versions
EP0980975B1 (fr
Inventor
Bernd Ehlers
Helmut Smolka
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP0980975A1 publication Critical patent/EP0980975A1/fr
Application granted granted Critical
Publication of EP0980975B1 publication Critical patent/EP0980975B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • 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
    • F02N11/106—Safety devices for stopping or interrupting starter actuation
    • 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
    • F02N2200/044—Starter current

Definitions

  • the invention relates to a method and a device for starting a Internal combustion engine.
  • the starting process When an internal combustion engine is started, the starting process usually takes place monitored by a human person, i.e. the operator recognizes that the Internal combustion engine and ends the starting process. As a result, the starter up to 1 second and more is operated unnecessarily. For this reason, the starter be designed to be more robust than with optimal guidance of the starting process would otherwise be necessary. There are therefore various ways to shorten the start-up process Proposals already known.
  • Voltage fluctuations between terminals 50 and 30 are detected in motor vehicles, from this, rectangular pulses are formed and counted, the switch-off after a certain predetermined number of pulses.
  • a sensor that the speed of the Starter detected and when reaching a certain predetermined high speed Starting process stops.
  • the first embodiment has a relatively high rate of error detections or faults, especially at higher temperatures, since none or too many impulses can arise.
  • the second embodiment is by use an additional sensor relatively expensive.
  • EP 849 467 describes a device for starting an internal combustion engine known that a battery, a starter lock, control electronics, a Starter motor, and a magnetic switch that switches a contact bridge, comprises.
  • the positive pole of the battery is connected to the ignition starter lock, of which a terminal 50 is energized when the ignition starter lock is actuated.
  • the terminal 50 is with a terminal 50 A of the control electronics connected, the switching element when closing the ignition starter lock from terminal 50 A to passage to a terminal 50 B. is switched.
  • the terminal 50 B supplies the magnetic switch with voltage, so that this switches to continuity between its terminals 30 and 45.
  • the switching takes place by means of a magnetic switching bridge that connects the terminal 30 to the terminal 45.
  • the Circuit closed over a line to the starter motor, so that over the Mass of the starter motor is connected to the battery voltage.
  • the magnetic switch serves as a single-track device. The movement of the magnetic switch leads to a movement of a starter pinion of the starter motor in the direction of a Drive pinion of the internal combustion engine, so that this after closing the Magnetic switch are tracked into each other.
  • the control electronics evaluate the amount of Starter current to the magnetic switch and interrupts the starting process Detection of an engine start of the internal combustion engine, even if the operator The starting process itself is still maintained, for example by holding one Ignition key in the starter position or by pressing a start button.
  • a functional lock is advantageously used in the control electronics, the one Start repetition only after a waiting time of approximately 0.5 to 4 seconds after one aborted starting process or after switching off the internal combustion engine enables.
  • the starting process is switched off by opening the Magnetic switch by a control signal from the control electronics.
  • a disadvantage of the known Device is that at the terminal 30 of the magnetic switch, the full battery voltage is present, so that when the magnetic switch is opened it will lead to arcing can, the reinforced closure of the magnetic switch and the contact bridge to Have consequence. This in turn means that the magnetic switch is very robust must be in order to avoid a malfunction.
  • the invention is therefore based on the technical problem, a method and a Device for starting an internal combustion engine to create the problem arcing is avoided.
  • the positive pole of the battery is directly over the electronic circuit breaker connected to the starter motor.
  • the Einspur silk offers and the switching of the battery voltage Cut.
  • only a small control current is left for the single-track assist device needed.
  • the device 1 for starting an internal combustion engine comprises a battery 2, a Ignition starter lock 3, an electronic control unit 4, a magnetic switch 5, one Starter motor 6 and an electronic circuit breaker 7.
  • the positive pole of battery 2 is on the one hand via the ignition lock 3 with the electronic control unit 4 and on the other hand via the electronic circuit breaker 7 with a terminal one Contact bridge 8 connected.
  • the contact bridge 8 connects the electronic Circuit breaker 7 with the starter motor 6.
  • the contact bridge 8 is through the Magnetic switch 5 opened and closed, the magnetic switch 5 in turn from the electronic control unit 4 is controlled.
  • the magnetic switch 5 serves above it as a single-track aid device, i.e.
  • the electronic control unit 4 is via a Control line 9 connected to the electronic circuit breaker 7, through which the electronic circuit breaker 7 between a low impedance and one high-resistance state can be switched. Furthermore, the electronic one Circuit breaker 7 via measuring lines 10 to 12 with the electronic control unit 4 connected via the current and voltage at the electronic circuit breaker 7 can be monitored.
  • the electronic circuit breaker 7 is preferably as Power-MOS-FET with internal current and voltage monitoring to which the Test leads 10-12 can be connected.
  • the control line 9 is then with connected to the gate of the MOS-FET.
  • An ignition key is used, for example, to initiate a starting process the switch in ignition starter lock 3 closed.
  • the positive pole of battery 2 is located to the electronic control unit 4, which has a control voltage on the Magnetic switch 5 switches through.
  • This control voltage causes the magnetic switch 5th moves and thus a starter pinion connected to the magnetic switch 5 Starter motor is moved in the direction of the internal combustion engine.
  • the starter pinion of the starter motor 6 with a pinion Internal combustion engine in track.
  • the electronic control unit 4 can start the start of the internal combustion engine to capture. After starting the internal combustion engine has been detected, the Control line 9 of the electronic circuit breaker 7 switched to high resistance. this leads to a predominant voltage drop across the electronic circuit breaker 7, so that the remaining voltage difference at the contact bridge 8 with respect to ground is relatively small. In the following, the electronic signal is then transmitted via a control signal Control unit 4 of the magnetic switch 5 is controlled such that the contact bridge 8 again is opened.
  • the Aborting the start process can be initiated by various events. In addition to starting the internal combustion engine, the starting process can be ended can also be made for other reasons. For one, the termination of the Starting process also by opening the ignition starter lock 3 or after one predetermined starter time of 30 seconds, for example.
  • a Another possibility to abort the starting process is the detection of an overload by evaluating the starter current curve via the electronic circuit breaker 7. Must start due to a timeout or an overload shutdown are canceled, a restart is only possible if the switch of the Ignition starter lock 3 was opened beforehand.
  • the electronic circuit breaker 7 connected directly to the starter motor 6 and the Contact bridge 8 saved.
  • the magnetic switch 5 only functions as Einspurzz Anlagen and is only mechanically with starter motor 6 but not electrically connected.
  • the single-track aid device is connected to the electronic control unit 4 connected.
  • the switch in the ignition connection 3 closed, so that the positive pole of the battery 2 with the electronic control unit 4 is connected.
  • the electronic circuit breaker 7, which is in the high-impedance, locked state before starting is the positive pole the battery 2 constantly on the starter motor 6.
  • the electronic control unit 4 detects the closing of the ignition starter lock 3, so the magnetic switch 5 is energized by the electronic control unit 4. Thereby there is a mechanical movement, in the course of which the starter pinion of the Starter motor 6 comes into track with the pinion of the internal combustion engine. Is the Complete the tracking process, the magnetic switch 5 generates a status signal which the line 13 is transferred to the electronic control unit 4. Because of the Status signal then the electronic control unit 4 generates a control signal with which via the control line 9 of the electronic circuit breaker 7 switched to low resistance becomes.

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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
EP99114217A 1998-08-20 1999-07-26 Méthode et dispositif pour démarrer un moteur à combustion interne Expired - Lifetime EP0980975B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19837782A DE19837782A1 (de) 1998-08-20 1998-08-20 Verfahren und Vorrichtung zum Anlassen einer Brennkraftmaschine
DE19837782 1998-08-20

Publications (2)

Publication Number Publication Date
EP0980975A1 true EP0980975A1 (fr) 2000-02-23
EP0980975B1 EP0980975B1 (fr) 2004-10-06

Family

ID=7878138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114217A Expired - Lifetime EP0980975B1 (fr) 1998-08-20 1999-07-26 Méthode et dispositif pour démarrer un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP0980975B1 (fr)
AT (1) ATE278873T1 (fr)
DE (2) DE19837782A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002365712B8 (en) * 2001-12-04 2003-06-17 Halliburton Energy Services, Inc. Methods and compositions for sealing an expandable tubular in a wellbore
FR2836702A1 (fr) * 2002-03-04 2003-09-05 Valeo Equip Electr Moteur Systeme de demarrage
US7471001B2 (en) * 2006-09-18 2008-12-30 Mtu Friedrichshafen Gmbh Internal combustion engine with electronic power module

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021408B4 (de) * 2000-04-27 2011-08-11 Volkswagen AG, 38440 Bordnetz für Kraftfahrzeuge
DE10028834A1 (de) * 2000-06-09 2001-12-13 Volkswagen Ag Vorrichtung zum Anlassen einer Brennkraftmaschine
DE10059902A1 (de) * 2000-12-01 2002-06-06 Bosch Gmbh Robert Starteinrichtung für Verbrennungsmotoren von Kraftfahrzeugen
DE10155111A1 (de) * 2001-11-09 2003-05-22 Bosch Gmbh Robert Startvorrichtung für eine Brennkraftmaschine
DE10210537A1 (de) * 2002-03-05 2003-09-18 Volkswagen Ag Anlasserschaltung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698567A (en) * 1980-01-09 1981-08-08 Mitsubishi Electric Corp Engine starting device
EP0849467A1 (fr) * 1996-12-18 1998-06-24 Volkswagen Aktiengesellschaft Démarreur muni d'un détecteur électronique du démarrage du moteur

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698567A (en) * 1980-01-09 1981-08-08 Mitsubishi Electric Corp Engine starting device
EP0849467A1 (fr) * 1996-12-18 1998-06-24 Volkswagen Aktiengesellschaft Démarreur muni d'un détecteur électronique du démarrage du moteur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 172 (M - 095) 31 October 1981 (1981-10-31) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002365712B8 (en) * 2001-12-04 2003-06-17 Halliburton Energy Services, Inc. Methods and compositions for sealing an expandable tubular in a wellbore
AU2002365712B2 (en) * 2001-12-04 2008-01-17 Halliburton Energy Services, Inc. Methods and compositions for sealing an expandable tubular in a wellbore
FR2836702A1 (fr) * 2002-03-04 2003-09-05 Valeo Equip Electr Moteur Systeme de demarrage
WO2003074866A1 (fr) * 2002-03-04 2003-09-12 Valeo Equipements Electriques Moteur Système de démarrage
US7471001B2 (en) * 2006-09-18 2008-12-30 Mtu Friedrichshafen Gmbh Internal combustion engine with electronic power module

Also Published As

Publication number Publication date
DE19837782A1 (de) 2000-02-24
DE59910714D1 (de) 2004-11-11
ATE278873T1 (de) 2004-10-15
EP0980975B1 (fr) 2004-10-06

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