EP0980975B1 - Verfahren und Vorrichtung zum Anlassen einer Brennkraftmaschine - Google Patents
Verfahren und Vorrichtung zum Anlassen einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP0980975B1 EP0980975B1 EP99114217A EP99114217A EP0980975B1 EP 0980975 B1 EP0980975 B1 EP 0980975B1 EP 99114217 A EP99114217 A EP 99114217A EP 99114217 A EP99114217 A EP 99114217A EP 0980975 B1 EP0980975 B1 EP 0980975B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control unit
- electronic control
- starter
- electronic
- internal combustion
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 30
- 238000002485 combustion reaction Methods 0.000 title claims description 28
- 239000007858 starting material Substances 0.000 claims abstract description 65
- 238000005259 measurement Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
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 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 detected in motor vehicles from this, rectangular pulses are formed and counted, the switch-off after one 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, an ignition 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 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 switches 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.
- 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 allows.
- 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 cause arcing can, which a reinforced closure of the magnetic switch and the contact bridge to Consequence. This in turn means that the magnetic switch is very robust must be in order to avoid a malfunction.
- JP-560 98 567 describes a device for starting an internal combustion engine known, comprising a battery, a starter switch and a starter motor. There is a switchable contact bridge between the battery and the starter motor Power transistor arranged, the operation of the Starter motor should be made possible in the saturation range.
- 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 connected to the via an electronic circuit breaker Starter motor connected, the electronic circuit breaker via a Control line is connected to the electronic control unit that the Controls single-track device.
- the single-track aid device and the Circuit of the battery voltage must be separated. This will make for the Single-track assistance device only requires a small control current.
- the single-track aid device is in the form of a magnetic switch formed, being between the electronic circuit breaker and the starter motor a contact bridge switchable by the magnetic switch is arranged and the electronic one Circuit breaker via at least one measuring line with the electronic control unit connected is.
- the magnetic switch can be switched to almost zero voltage become.
- the electronic circuit breaker is closed after the Starting process switched to high resistance before the magnetic switch is opened. The The starter current is then evaluated on the electronic circuit breaker and no longer on the magnetic switch.
- 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 by 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 is used 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-resistance and a 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 the start of 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 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 can be canceled, a restart is only possible if the switch of the Ignition starter lock 3 was previously opened.
- the electronic circuit breaker 7 directly connected to the starter motor 6 and the Contact bridge 8 saved.
- the magnetic switch 5 only functions as Single-track aid device and is only mechanically not with starter motor 6 electrically connected. Via a line 13, the single-track aid device is connected to the electronic control unit 4 connected. To initiate the start process is again 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. Via 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 during 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 low 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)
- Valve Device For Special Equipments (AREA)
- Means For Warming Up And Starting Carburetors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
- Fig. 1
- ein schematisches Blockschaltbild einer Vorrichtung zum Anlassen einer Brennkraftmaschine mit integrierter Einspurhilfeeinrichtung und Starterstromschaltung und
- Fig. 2
- ein schematisches Blockschaltbild einer Vorrichtung zum Anlassen einer Brennkraftmaschine mit separater Einspurhilfeeinrichtung und Starterstromschaltung.
Claims (5)
- Vorrichtung (1) zum Anlassen einer Brennkraftmaschine, umfassend eine Batterie (2), ein Zündanlaßschloß (3), eine elektronische Steuereinheit (4), eine Einspurhilfeeinrichtung und einen Startermotor (6), wobei der Pluspol der Batterie (2) über das Zündanlaßschloß (3) mit der elektronischen Steuereinheit (4) verbunden ist, die die Einspurhilfeeinrichtung ansteuert,
dadurch gekennzeichnet, dass
der Pluspol der Batterie (2) über einen elektronischen Leistungsschalter (7) mit dem Startermotor (6) verbunden ist, wobei der elektronische Leistungsschalter (7) über eine Steuerleitung (9) mit der elektronischen Steuereinheit (4) verbunden ist. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Einspurhilfeeinrichtung als Magnetschalter (5) ausgebildet ist, wobei zwischen dem elektronischen Leistungsschalter (7) und dem Startermotor (6) eine vom Magnetschalter (5) schaltbare Kontaktbrücke (8) angeordnet ist und der elektronische Leistungsschalter (7) über mindestens eine Messleitung (10-12) mit der elektronischen Steuereinheit (4) verbunden ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der elektronische Leistungsschalter (7) als MOS-FET ausgebildet ist.
- Verfahren zum Anlassen einer Brennkraftmaschine, mittels einer Vorrichtung nach Anspruch 1, umfassend folgende Verfahrensschritte:a) Einleiten des Startvorganges durch Schließen des Zündanlaßschlosses (3),b) Ansteuern der Einspurhilfeeinrichtung durch die elektronische Steuereinheit (4),c) Erfassen der Einspurung des Starterritzels durch die Einspurhilfeeinrichtung,d) Übertragen eines Statussignals von der Einspurhilfeeinrichtung an die elektronische Steuereinheit (4),e) Durchschalten des elektronischen Leistungsschalters (7) durch die elektronische Steuereinheit (4) über die Steuerleitung (9),f) Erfassen einer Startabbruchbedingung oder des Starts der Brennkraftmaschine durch die elektronische Steuereinheit (4) undg) Sperren des elektronischen Leistungsschalter (7) durch die elektronische Steuereinheit (4).
- Verfahren zum Anlassen einer Brennkraftmaschine nach Anspruch 4, mittels einer Vorrichtung nach Anspruch 2, umfassend folgende Verfahrensschritte:a) Einleiten des Startvorganges durch Schließen des Zündanlaßschlosses (3),b) Bestromen des Magnetschalters (5) durch die elektronische Steuereinheit (4),c) Vorspuren eines Starterritzels des Starfermotors (6) durch den Magnetschalter (5) bis das Starterritzel in ein Ritzel der Brennkraftmaschine eingespurt ist,d) Schließen einer Kontaktbrücke (8) durch den Magnetschalter (5) nachdem das Starterritzel eingespurt ist,e) Erfassen der geschlossenen Kontaktbrücke (8) durch die elektrische Steuereinheit (4) über die Meßleitung (10-12),f) Durchschalten des elektronischen Leistungsschalters (7) durch die elektronische Steuereinheit (4) über die Steuerleitung (9),g) Erfassen einer Startabbruchbedingung oder des Starts der Brennkraftmaschine durch die elektronische Steuereinheit (4),h) Sperren des elektronischen Leistungsschalter (7) durch die elektronische Steuereinheit (4) undi) Öffnen der Kontaktbrücke (8) durch vorzeichengerechtes Bestromen des Magnetschalters (5) durch die elektronische Steuereinheit (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19837782 | 1998-08-20 | ||
| DE19837782A DE19837782A1 (de) | 1998-08-20 | 1998-08-20 | Verfahren und Vorrichtung zum Anlassen einer Brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0980975A1 EP0980975A1 (de) | 2000-02-23 |
| EP0980975B1 true EP0980975B1 (de) | 2004-10-06 |
Family
ID=7878138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99114217A Expired - Lifetime EP0980975B1 (de) | 1998-08-20 | 1999-07-26 | Verfahren und Vorrichtung zum Anlassen einer Brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0980975B1 (de) |
| AT (1) | ATE278873T1 (de) |
| DE (2) | DE19837782A1 (de) |
Families Citing this family (8)
| 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 |
| US7040404B2 (en) * | 2001-12-04 | 2006-05-09 | Halliburton Energy Services, Inc. | Methods and compositions for sealing an expandable tubular in a wellbore |
| FR2836702B1 (fr) * | 2002-03-04 | 2006-01-27 | Valeo Equip Electr Moteur | Systeme de demarrage |
| DE10210537A1 (de) * | 2002-03-05 | 2003-09-18 | Volkswagen Ag | Anlasserschaltung |
| DE102006044346B3 (de) * | 2006-09-18 | 2008-02-07 | Mtu Friedrichshafen Gmbh | Brennkraftmaschine mit einem elektronischen Leistungsmodul |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5698567A (en) * | 1980-01-09 | 1981-08-08 | Mitsubishi Electric Corp | Engine starting device |
| DE59710081D1 (de) * | 1996-12-18 | 2003-06-18 | Volkswagen Ag | Anlasser mit elektronischer Motorstarterkennung |
-
1998
- 1998-08-20 DE DE19837782A patent/DE19837782A1/de not_active Withdrawn
-
1999
- 1999-07-26 EP EP99114217A patent/EP0980975B1/de not_active Expired - Lifetime
- 1999-07-26 AT AT99114217T patent/ATE278873T1/de not_active IP Right Cessation
- 1999-07-26 DE DE59910714T patent/DE59910714D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0980975A1 (de) | 2000-02-23 |
| DE59910714D1 (de) | 2004-11-11 |
| DE19837782A1 (de) | 2000-02-24 |
| ATE278873T1 (de) | 2004-10-15 |
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