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EP0921306B1 - Regelvorrichtung für Kraftfahrzeuganlasser - Google Patents

Regelvorrichtung für Kraftfahrzeuganlasser Download PDF

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Publication number
EP0921306B1
EP0921306B1 EP19980403005 EP98403005A EP0921306B1 EP 0921306 B1 EP0921306 B1 EP 0921306B1 EP 19980403005 EP19980403005 EP 19980403005 EP 98403005 A EP98403005 A EP 98403005A EP 0921306 B1 EP0921306 B1 EP 0921306B1
Authority
EP
European Patent Office
Prior art keywords
voltage
control unit
input
control
switch
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
Application number
EP19980403005
Other languages
English (en)
French (fr)
Other versions
EP0921306A3 (de
EP0921306A2 (de
Inventor
Gérard Vilou
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.)
Valeo Equipements Electriques Moteur SAS
Original Assignee
Valeo Equipements Electriques Moteur SAS
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 Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP0921306A2 publication Critical patent/EP0921306A2/de
Publication of EP0921306A3 publication Critical patent/EP0921306A3/de
Application granted granted Critical
Publication of EP0921306B1 publication Critical patent/EP0921306B1/de
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

Definitions

  • the present invention relates to devices for the control of a motor vehicle starter.
  • the invention relates to starter control devices, which have management resources which are permanently under tension.
  • FIG. 1 An example of such a device is illustrated on Figure 1, on which we referenced by M the motor electric starter of a motor vehicle and by l the power contactor which controls the supply of this engine M.
  • This electric motor M is mounted between ground and a + BAT terminal at the supply voltage of the drums.
  • the power contactor l consists of a relay which includes a contact K, which is interposed between the power supply terminal + BAT and the motor M, as well as a winding B with one or more windings.
  • This coil B is mounted, between the + BAT terminal and the ground, in series with a controlled switch T1.
  • This switch T1 is for example a transistor of the type MOSFET, the grid of which is voltage-controlled by a management unit 2 by its terminal S.
  • the management unit 2 is supplied by a link independent of that on which is the start switch 3. It for this purpose has a supply input "Va" which is directly connected to the + Bat terminal.
  • said management unit 2 is constantly under tension and that's why it incorporates usually a standby system, not shown, which limits consumption electronic when the vehicle is not operating and this prevents too rapid discharge of the battery.
  • the operation is as follows.
  • the start switch 3 is closed, for example by activation of the ignition key, the standby system is inhibited and management unit 2 takes over all of its functionality. If the different functions of starter protection do not detect any anomaly, the management unit 2 unlocks the transistor "T1", so as to allow the supply of the winding B of the contactor l. The motor M is then supplied.
  • management unit 2 detects engine start thermal, transistor T1 is blocked and the starter returns to rest. After a specified time, the system returns to the standby state.
  • An object of the invention is to overcome these disadvantages.
  • the invention provides a device for the control of a motor vehicle starter with a management unit which is permanently energized and an input of which is connected to a start command, said management unit commanding the starter electric motor supply in function in particular of the signal it receives on said entrance, characterized in that it further comprises additional means which prevent the command of the supply of the electric motor by said unit of management if the signal received by said unit on its input connected to the controller does not match so effective at a start command signal.
  • the invention also relates to a starter for motor vehicle comprising a control device of the aforementioned type.
  • these means 4 make it possible to do not impose a high voltage on the gate of transistor T1 closing only if both the control voltage generated by the management unit 2 on its output "s" and the voltage on its input “e” are at a high level. This makes it possible to verify that the startup is indeed voluntary.
  • these means 4 include a logic gate "N" of the NAND type (NAND according to Anglo-Saxon terminology commonly employed) which receives respectively the input voltages on input “e” and output “s” of the unit 2.
  • the output of this door N controls the base of a bipolar transistor T2 of the npn type, the collector is connected to the gate of transistor T1 and of which the transmitter is connected to ground.
  • the means 4 do not allow polarization positive of the gate of transistor T1 only if the start switch is closed.
  • a resistor R is also mounted between the output "s" and the gate of transistor T1, so that gate N actually receives the input voltage generated on the output "s", even if T2 is on.
  • the means 4 do not include a carries NAND, but an inverter type I mounting, which is mounted between the input “e” of unit 2 and the base of the transistor T2.
  • This inverter mounting I maintains the grid of T1 at level 0 as long as the start switch 3 is open, regardless of the voltage level of the exits".
  • management unit 2 is not controlled by the start switch, but by control signals transmitted to it by another unit of management which manages for example anti-theft security and engine control.
  • FIG. 4 A variant in this sense has been illustrated on the FIG. 4, in which a motor M of starter, as well as a control device which behaves, in the same way as those of the figures previous, a contactor 1 which includes a contact power K and a winding B, a switch T1 which controls the supply of winding B and a management 2 which controls the switch T1.
  • Said management unit 2 is itself controlled by a second management unit 5, which transmits to it the start order in the form of a coded signal.
  • the control device also includes means 4 which do not allow the positive polarization of the gate of transistor T1 only if the start order is actually sent by unit 5, i.e. if the voltage on input "e" is at its high level.
  • these means are of the type described with reference to the figure 3. They include an inverter mounting I receiving on its input the voltage injected on the input "e” by the decoder 6. The output voltage of this circuit inverter I controls the base of a bipolar transistor T2 npn type, whose transmitter is connected to ground and whose the collector is connected to the gate of transistor T1.
  • the status of the decoder output is linked to a inverter "I" as described in variant 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Claims (10)

  1. Vorrichtung zur Steuerung eines Kraftfahrzeuganlassers mit einer Regelungseinheit (2), die ständig unter Spannung steht und von der ein Eingang mit einem Anlaßsteuerorgan (3, 5) verbunden ist, wobei die besagte Regelungseinheit (2) die Stromversorgung des Elektromotors des Anlassers insbesondere in Abhängigkeit von dem Signal steuert, das sie an dem besagten Eingang empfängt, dadurch gekennzeichnet, daß sie außerdem komplementäre Mittel (4) umfaßt, die die Steuerung der Stromversorgung des Elektromotors durch die besagte Regelungseinheit (2) verhindern, wenn das Signal, das durch die besagte Einheit an ihrem mit dem Steuerorgan (3, 5) verbundenen Eingang empfangen wird, nicht effektiv einem Anlaßsteuersignal entspricht.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Regelungseinheit (2) an ihrem Eingang, der mit dem Steuerorgan (3, 5) verbunden ist, eine Spannung empfängt, die sich je nachdem, ob der Anlaßvorgang durch das besagte Steuerorgan angesteuert wird oder nicht, auf einem hohen Pegel oder auf einem niedrigen Pegel befindet, und daß die komplementären Mittel (4) Mittel umfassen, die die Steuerung der Stromversorgung des Elektromotors durch die besagte Regelungseinheit (2) nur dann zulassen, wenn sich die Spannung an dem besagten Eingang auf ihrem Pegel befindet, der der Steuerung des Anlaßvorgangs durch das Steuerorgan (3, 5) entspricht.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Regelungseinheit (2) eine Ausgangsspannung erzeugt, deren Pegel einen Schalter (T1) steuert, der seinerseits die Stromversorgung des Elektromotors (M) des Anlassers steuert, wobei die komplementären Mittel (4) die Steuerspannung des besagten Schalters auf einem Pegel halten, der die Stromversorgung des Elektromotors verhindert, wenn sich die Spannung am Eingang der Regelungseinheit (2) auf einem Pegel befindet, der dem Nichtvorliegen einer Anlaßsteuerung durch das Steuerorgan (3, 5) entspricht.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die komplementären Mittel (4) Mittel in der Ausführung mit Logikgatter(n) umfassen, die eingangsseitig die Eingangsspannung der Regelungseinheit (2) und die Steuerspannung an deren Ausgang empfangen.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß sich die Eingangsspannung der Regelungseinheit (2) bei einer Anlaßsteuerung durch das Steuerorgan (3, 5) auf einem hohen Pegel befindet, wobei der Schalter, der die Stromversorgung des Elektromotors steuert, geschlossen ist, wenn sich seine Steuerspannung auf einem hohen Pegel befindet, wobei die komplementären Mittel (4) ein NICHT UND-Logikgatter umfassen, das eingangsseitig die Eingangsspannung der Regelungseinheit (2) und die Steuerspannung an deren Ausgang empfängt, wobei die Ausgangsspannung des besagten Gatters die Basis eines Transistors ansteuert, der zwischen der Masse und einem Punkt geschaltet ist, der außerdem mit dem Ausgang der Regelungseinheit (2) verbunden ist und dessen Spannung den Schalter steuert.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß Widerstandsmittel (R) zwischen dem besagten Steuerpunkt des Schalters und dem Ausgang der Regelungseinheit eingefügt sind.
  7. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß sich die Eingangsspannung der Regelungseinheit (2) bei einer Anlaßsteuerung durch das Steuerorgan (3, 5) auf einem hohen Pegel befindet, wobei der Schalter, der die Stromversorgung des Elektromotors steuert, geschlossen ist, wenn sich seine Steuerspannung auf einem hohen Pegel befindet, wobei die komplementären Mittel (4) eine Inverterschaltung (I) umfassen, die eingangsseitig die Eingangsspannung der Regelungseinheit (2) empfängt und deren Ausgangsspannung die Basis eines Transistors (T2) ansteuert, der zwischen der Masse und einem Punkt geschaltet ist, der außerdem mit dem Ausgang der Regelungseinheit (2) verbunden ist und dessen Spannung den Schalter (T1) steuert.
  8. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Steuerorgan (3, 5) ein Anlaßschalter (3) ist.
  9. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Steuerorgan (3, 5) aus einer zweiten Regelungseinheit (5) besteht, die an die erste Regelungseinheit (2) einen Anlaßbefehl in Form eines kodierten Signals überträgt, und daß die besagte Vorrichtung Dekodiermittel (6) umfaßt, die zwischen dem Eingang der ersten Regelungseinheit (5) und der zweiten Regelungseinheit (2) eingefügt sind und die dieses kodierte Signal in ein Spannungssignal umwandeln.
  10. Kraftfahrzeuganlasser, dadurch gekennzeichnet, daß er eine Steuervorrichtung nach einem der vorangehenden Ansprüche umfaßt.
EP19980403005 1997-12-03 1998-12-01 Regelvorrichtung für Kraftfahrzeuganlasser Expired - Lifetime EP0921306B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9715223A FR2771781B1 (fr) 1997-12-03 1997-12-03 Dispositif pour la commande d'un demarreur de vehicule automobile
FR9715223 1997-12-03

Publications (3)

Publication Number Publication Date
EP0921306A2 EP0921306A2 (de) 1999-06-09
EP0921306A3 EP0921306A3 (de) 1999-06-16
EP0921306B1 true EP0921306B1 (de) 2003-02-05

Family

ID=9514102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980403005 Expired - Lifetime EP0921306B1 (de) 1997-12-03 1998-12-01 Regelvorrichtung für Kraftfahrzeuganlasser

Country Status (4)

Country Link
EP (1) EP0921306B1 (de)
DE (1) DE69811190T2 (de)
ES (1) ES2192756T3 (de)
FR (1) FR2771781B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19831865A1 (de) 1998-07-16 2000-01-20 Basf Ag Verwendung von Schwefel-organischen Verbindungen als Mittel zur bathochromen Verschiebung der UV/Vis-Absorptionsbande von Carotinoiden
FR2802981B1 (fr) * 1999-12-28 2002-03-29 Valeo Equip Electr Moteur Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable
DE102006001578B4 (de) * 2005-02-05 2017-11-23 Schaeffler Technologies AG & Co. KG Verfahren zur Steuerung eines Triebstrangs eines Fahrzeugs in einer Notfahrsituation
US7343241B2 (en) * 2006-05-11 2008-03-11 Gm Global Technology Operations, Inc. Security software layer protection for engine start

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101780A (en) * 1991-04-02 1992-04-07 Globe-Union Inc. Reduced starting load system for an automobile engine
DE4344355A1 (de) * 1993-01-16 1994-07-21 Volkswagen Ag Starteinrichtung für eine Brennkraftmaschine mit einem elektrischen Startermotor
DE4341279A1 (de) * 1993-12-03 1995-06-08 Bosch Gmbh Robert Schaltungsanordnung und Verfahren zur Startwiederholung von Brennkraftmaschinen

Also Published As

Publication number Publication date
FR2771781A1 (fr) 1999-06-04
EP0921306A3 (de) 1999-06-16
EP0921306A2 (de) 1999-06-09
FR2771781B1 (fr) 2000-02-18
DE69811190D1 (de) 2003-03-13
ES2192756T3 (es) 2003-10-16
DE69811190T2 (de) 2003-10-23

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