EP0833052B1 - Verbesserungen in der Verwaltung des Abschaltens eines Fahrzeuganlassers - Google Patents

Verbesserungen in der Verwaltung des Abschaltens eines Fahrzeuganlassers Download PDF

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Publication number
EP0833052B1
EP0833052B1 EP97402219A EP97402219A EP0833052B1 EP 0833052 B1 EP0833052 B1 EP 0833052B1 EP 97402219 A EP97402219 A EP 97402219A EP 97402219 A EP97402219 A EP 97402219A EP 0833052 B1 EP0833052 B1 EP 0833052B1
Authority
EP
European Patent Office
Prior art keywords
starter
power supply
supply voltage
voltage
maximum value
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
EP97402219A
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English (en)
French (fr)
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EP0833052A1 (de
Inventor
Jean-Jacques Cabrera
Philippe Baravian
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 Electronique SA
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Valeo Electronique SA
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 Electronique SA filed Critical Valeo Electronique SA
Publication of EP0833052A1 publication Critical patent/EP0833052A1/de
Application granted granted Critical
Publication of EP0833052B1 publication Critical patent/EP0833052B1/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
    • F02N11/10—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
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0848—Circuits or control means specially adapted for starting of engines with means for detecting successful engine start, e.g. to stop 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
    • F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
    • F02N2200/063—Battery voltage

Definitions

  • the present invention relates to methods and starter cut-off management devices of motor vehicle.
  • the comparison to a voltage of predetermined reference does not allow cutting of the starter controlled fairly precisely.
  • battery terminal voltage may vary considerably over time, depending in particular on its state of maintenance or ambient temperature.
  • An object of the invention is to alleviate all or some of these drawbacks.
  • the solution proposed by the invention consists of what we open a time window when the starter switch during which the maximum value taken by said supply voltage, and in that said threshold value is determined as a function of the maximum value measured in said window time.
  • the invention also provides a device for the implementation of this process.
  • Is illustrated in Figure 1 a device for the control of the supply of a starter which includes an electric motor M mounted between a terminal B + to the battery voltage of the vehicle and mass.
  • This device comprises a contactor 1 mounted between the B + terminal of supply to the voltage of the battery and starter D.
  • This contactor is a relay actuated by a winding 2.
  • One end of this winding 2 is connected to the power supply terminal B +. Its other end is connected on the one hand to the source of a MOSFET transistor 3 and on the other hand to a coil 5 connected to ground.
  • the drain of transistor 3 is connected to the terminal supply B +.
  • the grid is connected to the output a unit 4 from which it receives a control voltage.
  • the unit 4 is for example a microprocessor. It generates the control voltage according to the supply terminal B + voltage and position a start switch 6, which is for example an ignition key.
  • Switch 6 is placed between the terminal power supply B + and an input 42 of the unit 4.
  • An input 40 of said unit 4 is connected to the terminal B + via a Zener diode 7 which is passing from said input 40 to said terminal B +.
  • This filter is in FIG. 1 constituted by a resistor R 1 mounted between the diode 7 and the terminal B + and by a capacitor C mounted between the point common to the resistor R 1 and to the diode 7 and the ground.
  • the anode of diode 7 is also connected to ground via a resistor R 2 , the voltage measured at input 40 being the voltage across this resistor R 2 .
  • the supply terminal B + is also connected to an input 41 of the unit 4 by means of a voltage divider bridge which includes a resistor R 3 and a resistor RT variable as a function of the temperature. This assembly allows the unit 4 to know the operating temperature of the starter.
  • the management unit 4 controls, via the transistor 3 operating as a switch, the movement of the power contactor 1.
  • This power contactor 1 has a double function.
  • the management unit 4 opens a time window until time t 2 during which it measures the maximum value U osci taken by the oscillations of the battery voltage.
  • the duration of this time window is by example of the order of 2 or 3 seconds.
  • This value U osci is used with the initial value of the battery voltage U init to determine the threshold voltage which, when reached by the battery voltage, triggers the starter cut-off.
  • the threshold voltage is for example a linear combination of U init and U osci .
  • the voltage U init is of the order of 10 to 14 volts, while the voltage drop U init -U osci is of the order of 4 to 5 volts.
  • the Zener diode 7 allows to bring back the voltage of the battery at a measurable value at the input of the unit 4.
  • the Zener voltage of this diode is for example from 7 to 10 Volts.
  • U Threshold U init - (U init - U osci ) x R
  • R is a coefficient whose value is between 0 and 1, and is determined as a function of the operating temperature.
  • the management unit 4 is connected by an input 41 to the temperature sensor constituted by the resistors Rz and RT, this latter resistance being for example of the CTN type. This assembly allows the unit 4 to measure the operating temperature of the starter D.
  • the microprocessor considers that the engine is blocked or a gear is engaged, and cuts the power to the starter.
  • the starter switch is faulty, for example that it is in the closed position when it should be open, and that the power supply to the starter to protect its control electronics, as well as switch 3 which controls the supply of power.
  • the duration ⁇ t 0 of this time window is for example of the order of 20 ms.

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)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (8)

  1. Verfahren zum Steuern des Abschaltens eines Starters für Kraftfahrzeuge gemäß dem die Versorgungsspannung des Starters gemessen und die Stromversorgung des Starters unterbrochen wird, wenn die Spannung einen Grenzwert erreicht,
    dadurch gekennzeichnet, daß ein Zeitfenster (t1 bis t2) beim Schließen des Schützes des Starters geöffnet wird, in dem der Höchstwert (Uosci) gemessen wird, den die Versorgungsspannung erreicht, und daß dieser Grenzwert (Useuil) in Abhängigkeit von dem innerhalb des Zeitfensters gemessenen Höchstwert (Uosci) und dem Wert (Uinit) der Versorgungsspannung vor Betätigung des Starters bestimmt wird.
  2. Verfahren nach Anspruch 1,
    dadurch gekennzeichnet, daß der Grenzwert (Useuil) eine Linearkombination des Höchstwertes (Uosci) und des Wertes (Uinit) der Versorgungsspannung vor Betätigung des Starters ist.
  3. Verfahren nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß zudem beim Schließen des Schützes des Starters ein zweites Zeitfenster ([t1, t3]) geöffnet wird, in dem der Höchstwert (Uosci) gemessen wird, den die Versorgungsspannung des Starters erreicht, und daß davon ausgegangen wird, sofern der Höchstwert (Uosci) nicht über einem bestimmten Grenzwert liegt, daß der Verbrennungsmotor angehalten oder ein Gang eingelegt ist, und die Stromversorgung unterbrochen wird.
  4. Verfahren nach Anspruch 3,
    dadurch gekennzeichnet, daß der Grenzwert, mit dem der Höchstwert verglichen wird, den die Versorgungsspannung in diesem zweiten Zeitfenster erreicht, in Abhängigkeit von dem Höchstwert (Uosci) bestimmt wird, den die Versorgungsspannung im ersten Zeitfenster ([t1 t2]) erreicht.
  5. Verfahren nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß beim Schließen des Steuerschalters (G) des Starters ein Zeitfenster ([t0, t0+Δt0]) geöffnet wird, in dem die Versorgungsspannung der Batterie gemessen wird, und daß beim Absinken der Versorgungsspannung unter einen vorgegebenen Grenzwert (Usdep) davon ausgegangen wird, daß das Schaltschütz (U) des Starters ausgefallen ist, und die Stromversorgung des Starters unterbrochen wird.
  6. Verfahren nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, daß die Versorgungsspannung des Starters über einer Z-Diode (7) gemessen wird.
  7. Verfahren nach einem der vorhergehenden Ansprüche 1 bis 6,
    dadurch gekennzeichnet, daß der zum Abschalten des Starters verwendete Grenzwert (Vseuil) von der Betriebstemperatur abhängt.
  8. Vorrichtung zum Steuern des Abschaltens eines Starters für Kraftfahrzeuge mit Mitteln zum Messen der Versorgungsspannung (B+) des Starters sowie einer Steuereinheit (4), die die Versorgung des Starters unterbricht, wenn diese Spannung einen Grenzwert erreicht,
    dadurch gekennzeichnet, daß die Steuereinheit (4) ein Verfahren nach einem der vorhergehenden Ansprüche anwendet.
EP97402219A 1996-09-27 1997-09-24 Verbesserungen in der Verwaltung des Abschaltens eines Fahrzeuganlassers Expired - Lifetime EP0833052B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9611793 1996-09-27
FR9611793A FR2754017B1 (fr) 1996-09-27 1996-09-27 Perfectionnements a la gestion de la coupure d'un demarreur de vehicule automobile

Publications (2)

Publication Number Publication Date
EP0833052A1 EP0833052A1 (de) 1998-04-01
EP0833052B1 true EP0833052B1 (de) 2003-04-02

Family

ID=9496121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97402219A Expired - Lifetime EP0833052B1 (de) 1996-09-27 1997-09-24 Verbesserungen in der Verwaltung des Abschaltens eines Fahrzeuganlassers

Country Status (4)

Country Link
US (1) US5970936A (de)
EP (1) EP0833052B1 (de)
DE (1) DE69720360T2 (de)
FR (1) FR2754017B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1105642B1 (de) * 1998-07-01 2002-12-11 Robert Bosch Gmbh Verfahren zur startabschaltung einer brennkraftmaschine
CA2316641C (en) * 2000-08-22 2010-04-13 Jack Wisnia Remote control car starter
US6438487B1 (en) 2001-02-21 2002-08-20 Ford Global Technologies, Inc. Method and system for determining the operational state of a vehicle starter motor
US6435158B1 (en) 2001-02-21 2002-08-20 Ford Global Technologies, Inc. Method and system for preventing reverse running of internal combustion engine
JP3861686B2 (ja) * 2001-12-28 2006-12-20 日産自動車株式会社 エンジンの始動用制御装置
KR100535137B1 (ko) * 2003-11-04 2005-12-07 현대자동차주식회사 배터리 전원 라인 단선시의 림프 홈 방법
DE102004025240B4 (de) * 2004-05-22 2014-03-27 Robert Bosch Gmbh Startunterdrückung für Verbrennungsmotoren mit E-Starter
US8112185B2 (en) * 2006-11-15 2012-02-07 Dei Headquarters, Inc. Remote engine start confirmation and vehicle monitoring and control system
US9616849B1 (en) * 2009-06-26 2017-04-11 United Services Automobile Association Systems and methods for providing driving insurance for an individual driver
DE102010042396A1 (de) * 2010-10-13 2012-04-19 Robert Bosch Gmbh Spannungssteuerung in einem Bordnetz
FR2986277A1 (fr) * 2012-01-31 2013-08-02 Peugeot Citroen Automobiles Sa Procede de detection et de determination des defaillances d'un demarreur de type a post-pre engagement
US10838795B2 (en) * 2012-07-05 2020-11-17 Infineon Technologies Ag Monitoring circuit with a signature watchdog
JP6364897B2 (ja) * 2014-04-02 2018-08-01 株式会社デンソー エンジン始動装置
US9500174B2 (en) * 2014-04-03 2016-11-22 Remy Technologies, L.L.C. Internal combustion engine having a change of mind (COM) starter system and a COM starter system
KR102323407B1 (ko) * 2017-09-08 2021-11-05 현대자동차주식회사 캠 샤프트 위치 센서 고장 시의 차량 시동 제어 방법
CN112366656A (zh) * 2020-11-10 2021-02-12 珠海格力电器股份有限公司 电机控制方法、装置、电机设备及用电设备
CN112901392B (zh) * 2021-02-04 2023-02-03 重庆隆鑫通航发动机制造有限公司 一种发动机的启动系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947051A (en) * 1988-01-22 1990-08-07 Mitsubishi Denki Kabushiki Kaisha Starter protector for an engine
JP2606381B2 (ja) * 1989-08-08 1997-04-30 株式会社デンソー スタータによるエンジン始動状態検出装置及びその装置を用いたスタータの自動始動装置
US5349931A (en) * 1993-06-28 1994-09-27 Design Tech International, Inc. Automatic vehicle starter
JP3042968B2 (ja) * 1994-07-07 2000-05-22 中央発條株式会社 エンジン遠隔始動システム
US5601058A (en) * 1995-03-06 1997-02-11 The United States Of America As Represented By The Department Of Energy Starting apparatus for internal combustion engines

Also Published As

Publication number Publication date
EP0833052A1 (de) 1998-04-01
FR2754017B1 (fr) 1998-12-18
FR2754017A1 (fr) 1998-04-03
DE69720360D1 (de) 2003-05-08
DE69720360T2 (de) 2004-03-04
US5970936A (en) 1999-10-26

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