EP0864745B1 - Vorrichtung zum Steuern eines Anlassschützes für einen Kraftfahrzeug - Google Patents

Vorrichtung zum Steuern eines Anlassschützes für einen Kraftfahrzeug Download PDF

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Publication number
EP0864745B1
EP0864745B1 EP98400554A EP98400554A EP0864745B1 EP 0864745 B1 EP0864745 B1 EP 0864745B1 EP 98400554 A EP98400554 A EP 98400554A EP 98400554 A EP98400554 A EP 98400554A EP 0864745 B1 EP0864745 B1 EP 0864745B1
Authority
EP
European Patent Office
Prior art keywords
coil
contactor
transistor
starter motor
controls
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
EP98400554A
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English (en)
French (fr)
Other versions
EP0864745A1 (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
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Valeo Equipements Electriques Moteur SAS
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Publication date
Application filed by Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP0864745A1 publication Critical patent/EP0864745A1/de
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Publication of EP0864745B1 publication Critical patent/EP0864745B1/de
Anticipated expiration legal-status Critical
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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
    • 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
    • F02N2200/043—Starter voltage

Definitions

  • the present invention relates to devices for controlling a vehicle starter switch automobile.
  • Document US Pat. No. 5,345,901 describes a device for controlling a motor vehicle starter switch.
  • the contactor comprises a power contact which controls the electrical supply to the starter and two coils which control the movement of the contact.
  • One of the coils is mounted between the battery voltage supply terminal and the electric motor.
  • the device further includes a microprocessor for managing the starter control, as well as a relay which controls the supply of the coils. This microprocessor controls the opening of the relay when the voltage V A -V B between the two fixed points of the contact is greater than a threshold ⁇ V REF .
  • a starter D which includes an electric motor M mounted between a terminal B + power supply to battery voltage and ground.
  • Electric motor supply is controlled by a contactor 1 mounted between said terminal B + and the motor M.
  • This contactor 1 is a relay which includes a plunger core (not shown) actuated by a winding call 2 and a holding coil 3 for pushing and maintain a power contact in the closed position 1a.
  • the call winding 2 is mounted between the end of the motor M which is opposite to the ground and the winding 3, said coil 3 being connected to ground by its end opposite.
  • the coils 2 and 3 are connected to the source of a transistor 4 whose drain is connected to terminal B +, via the ignition key switch 6.
  • this transistor 4 is controlled, for example in all or nothing, by a microprocessor 5 - also connected to the supply terminal B + - which injects a voltage of control on the gate of transistor 4.
  • This microprocessor 5 is for example, as illustrated in FIG. 1, integrated with relay 1 and transistor 4 inside of the starter casing. It can also be located outside the starter, anywhere in the vehicle.
  • the call coil 2 is chosen with very resistance lower than that of the holding coil 3.
  • the resistance of electric motor M when stopped negligible compared to the resistance of the windings 2 and 3, the intensity which passes through said transistor 4 is maximum as long as contactor 1 is not closed. This produces a significant and rapid heating of the transistor 4.
  • the transistor 4 feeding only the coil of maintenance 3, whose current consumption is low, the heating of said transistor 4 is considerably reduced.
  • the transistor 4 is then very quickly destroyed by excessive heating.
  • An object of the invention is to overcome this disadvantage.
  • the invention also relates to a device for control of the power supply of a vehicle starter automobile which comprises a contactor comprising a power contact which controls the motor supply starter motor and at least one coil which controls the movement of said contact, characterized in that that it further comprises a device for controlling contactor of the aforementioned type.
  • the starter illustrated in Figure 2 has a structure similar to that illustrated in FIG. 1 and additionally has a connection 8 between point 7 on the one hand common to motor M and to coil 2 and on the other hand a analog / digital converter at input of microprocessor 5.
  • This link 8 injects the audit voltage point 7 in the microprocessor 5.
  • the microprocessor 5 determines the value U of the voltage at point 7 (step 11) and compares this value with a threshold value U 0 data (test 12).
  • the threshold value U 0 is chosen so as to be characteristic of the appearance of a positive voltage at point 7, appearance which is due to the passage of a current in the call coil 2 and through the motor M.
  • U 0 is for example advantageously between 1 and 8 Volts.
  • the time T 1 is chosen to be greater than the time T o which normally elapses between the closing of the contact switch 6 of the vehicle and the closing of the power contact 1a.
  • This time T o is usually between 20 and 200 milliseconds.
  • the microprocessor 5 controls the blocking of the transistor 4 by delivering to the gate thereof a zero voltage (step 13).
  • T 1 having been suitably chosen, such a command makes it possible to interrupt the starting process before the heating of transistor 4 has become too great and deteriorates said transistor 4.
  • step 14 the microprocessor 5 continues the starting process (step 14).
  • the invention would apply from the same way in the event that the current control that realizes the transistor would not be an all or nothing type but progressive, the relay may then not include only one coil instead of a call coil and a holding coil.
  • the device for electronic starter control shown in figure 1 has the advantage of being of the "autonomous" type, that is to say not to require any other electrical connection than those used by conventional starters not electronic, namely a control cable allowing the connection with the vehicle's contact switch, a power supply cable connected to a terminal such as the positive terminal of the battery, and a return to ground by the carcass of the starter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor And Converter Starters (AREA)
  • Relay Circuits (AREA)
  • Control Of Direct Current Motors (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Claims (7)

  1. Vorrichtung zur Steuerung eines Anlaßschützes eines Kraftfahrzeuganlassers, wobei das besagte Anlaßschütz (1) einen Leistungskontakt (1a), der die Stromversorgung des Elektromotors des Anlassers steuert, und wenigstens eine Wicklung (2, 3), die die Verstellung des besagten Kontakts (1a) steuert, umfaßt, wobei eine der Wicklungen (2, 3) des besagten Anlaßschützes (1) zwischen der Speiseklemme zum Anschluß an die Batteriespannung und dem Elektromotor (M) angebracht ist, wobei die besagte Vorrichtung eine Einheit (5) zur Regelung der Steuerung des Anlassers (D) sowie ein durch die besagte Regelungseinheit (5) kontrolliertes Steuerelement (4) umfaßt, das die Stromversorgung der Wicklung bzw. Wicklungen (2, 3) des Anlaßschützes (1) steuert, dadurch gekennzeichnet, daß das Steuerelement (4) ein Transistor ist und daß die Regetungseinheit (5) Mittel umfaßt, um das Sperren des Transistors (4) zu steuern, wenn nach Ablauf einer vorbestimmten Zeit im Anschluß an das Schließen des Zündschalters (6) des Fahrzeugs die Spannung an einem gegebenen Punkt zwischen der Wicklung und dem Motor nicht größer als ein vorbestimmter Schwellenwert (U0) ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei der Regelungseinheit (5) um einen Mikroprozessor handelt und daß dieser Mikroprozessor an einem Analog/Digital-Wandler-Eingang die Spannung an dem besagten Punkt zwischen der besagten Wicklung (2, 3) und dem besagten Elektromotor (M) erhält.
  3. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Transistor (4) durch die Regelungseinheit (5) mit zwei Schaltstufen gesteuert wird.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Regelungseinheit (5) den Transistor (4) so steuert, daß eine progressive Stromversorgung der Wicklung bzw. Wicklungen des Anlaßschützes (1) herbeigeführt wird.
  5. Vorrichtung zur Steuerung der Stromversorgung eines Kraftfahrzeuganlassers (D), die ein Anlaßschütz (1) mit einem Leistungskontakt, der die Stromversorgung des Elektromotors des Anlassers steuert, und wenigstens einer Wicklung (2, 3) umfaßt, die die Verstellung des besagten Kontakts steuert, dadurch gekennzeichnet, daβ sie außerdem eine Vorrichtung zur Steuerung eines Anlaßschützes (1) nach einem der vorangehenden Ansprüche umfaßt.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Anlaßschütz (1) eine Einzugswicklung (2) und eine Haltewicklung (3) umfaßt.
  7. Kraftfahrzeuganlasser, dadurch gekennzeichnet, daß er eine Vorrichtung zur Steuerung der Stromversorgung nach Anspruch 5 beinhaltet.
EP98400554A 1997-03-14 1998-03-10 Vorrichtung zum Steuern eines Anlassschützes für einen Kraftfahrzeug Expired - Lifetime EP0864745B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9703090 1997-03-14
FR9703090A FR2760910B1 (fr) 1997-03-14 1997-03-14 Dispositif pour la commande d'un contacteur de demarreur de vehicule automobile

Publications (2)

Publication Number Publication Date
EP0864745A1 EP0864745A1 (de) 1998-09-16
EP0864745B1 true EP0864745B1 (de) 2003-05-02

Family

ID=9504780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400554A Expired - Lifetime EP0864745B1 (de) 1997-03-14 1998-03-10 Vorrichtung zum Steuern eines Anlassschützes für einen Kraftfahrzeug

Country Status (5)

Country Link
US (1) US6003484A (de)
EP (1) EP0864745B1 (de)
DE (1) DE69813940T2 (de)
ES (1) ES2198664T3 (de)
FR (1) FR2760910B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4308408B2 (ja) 2000-04-28 2009-08-05 パナソニック株式会社 二次電池の入出力制御装置
FR2839344B1 (fr) 2002-03-29 2005-12-02 Valeo Equip Electr Moteur Circuit de commande electronique d'un contacteur de demarreur de vehicule automobile, equipe de moyens de correction en cas de non fermeture du contact de puissance
JP3861876B2 (ja) * 2003-12-22 2006-12-27 日産自動車株式会社 エンジン始動制御装置とその方法
EP2568159A1 (de) * 2010-05-07 2013-03-13 Hitachi Automotive Systems, Ltd. Motorstarter und verfahren zur steuerung des motorstarters
CN104847560B (zh) * 2014-02-19 2017-07-07 北京佩特来电器有限公司 一种电子继电器、具有保护功能的起动机及其控制方法
GB2537690B (en) * 2015-04-23 2021-08-18 Gm Global Tech Operations Llc Method of controlling the slew rate of a mosfet and apparatus thereof
CN106884753B (zh) * 2015-12-16 2019-07-02 北京佩特来电器有限公司 起动机及其主动啮合控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967351A (en) * 1975-04-18 1976-07-06 Melvin Rosenberg Clasp
FR2311191A1 (fr) * 1975-05-15 1976-12-10 Ducellier & Cie Dispositif de coupure automatique du demarreur d'un vehicule automobile
US4345554A (en) * 1979-11-19 1982-08-24 Hildreth Donald M Vehicle engine remote starter control and protective system
JPH0633749B2 (ja) * 1985-02-20 1994-05-02 株式会社日立製作所 永久磁石式始動電動機の動作検出装置
US4947051A (en) * 1988-01-22 1990-08-07 Mitsubishi Denki Kabushiki Kaisha Starter protector for an engine
IT1263110B (it) * 1992-03-24 1996-07-30 Magneti Marelli Spa Sistema di avviamento per un motore a combustione interna e solenoide utilizzabile in tale sistema di avviamento
US5345901A (en) * 1993-07-26 1994-09-13 Carrier Corporation Starter motor protection system
US5622148A (en) * 1995-12-04 1997-04-22 Ford Motor Company Control for a motor vehicle cranking system
FR2745336B1 (fr) * 1996-02-28 1998-05-07 Valeo Equip Electr Moteur Procede et dispositif pour la coupure d'un demarreur de vehicule automobile apres demarrage de son moteur thermique
FR2746449B1 (fr) * 1996-03-21 1998-06-12 Valeo Equip Electr Moteur Procede et dispositif pour la commande d'un contacteur d'alimentation d'un demarreur de vehicule automobile
IT1285351B1 (it) * 1996-05-21 1998-06-03 Magneti Marelli Spa Dispositivo di avviamento per motore a combustione interna.

Also Published As

Publication number Publication date
DE69813940D1 (de) 2003-06-05
DE69813940T2 (de) 2004-05-19
US6003484A (en) 1999-12-21
EP0864745A1 (de) 1998-09-16
FR2760910A1 (fr) 1998-09-18
ES2198664T3 (es) 2004-02-01
FR2760910B1 (fr) 1999-05-28

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