EP1155235B1 - Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable - Google Patents
Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable Download PDFInfo
- Publication number
- EP1155235B1 EP1155235B1 EP00988906A EP00988906A EP1155235B1 EP 1155235 B1 EP1155235 B1 EP 1155235B1 EP 00988906 A EP00988906 A EP 00988906A EP 00988906 A EP00988906 A EP 00988906A EP 1155235 B1 EP1155235 B1 EP 1155235B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- contactor
- chosen
- effective
- development
- 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
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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 or control means specially adapted for starting of engines
- F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
-
- 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
- F02N2300/00—Control related aspects of engine starting
- F02N2300/10—Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
- F02N2300/108—Duty cycle control or pulse width modulation [PWM]
Definitions
- the invention relates to methods and devices for control of motor vehicle starters.
- a motor vehicle starter conventionally comprises (fig.1) an electric motor M, a contactor 10, and a circuit control 20 of this contactor 10.
- the contactor 10 includes a coil B (or several) and a mobile core driving a switch K.
- a coil B or several
- a mobile core driving a switch K for more details see document FR-A-2 795 884 filed on June 28 2000, and more specifically in Figure 1 thereof.
- the start switch actuated for example by the key of closed contact
- the mobile core is allowed to move and act on a rod hitched elastically to a moving contact, classically shaped plate intended for the end of the race to come into contact with fixed power supply terminals connected respectively to the positive terminal (+ Bat) of the battery and the electric motor M.
- the switch K thus comprises the mobile contact and the terminals.
- the control circuit 20 includes a transistor T1, placed in series with coil B, as well as a microcontroller 25 for the control of this transistor T1.
- the switch 10 therefore has a role of electric switch between a source (the vehicle battery) and the engine M, and also a role of training means of meshing between the engine M and the engine of the vehicle.
- the contactor 10 is located above motor M being parallel thereto.
- the mobile core is hitched to the upper end of a Fork-shaped lever with spring intervention spring tooth against tooth.
- the lower end of the lever is adapted to act on a launcher having a hub, a pinion and a freewheel interposed between the pinion and the hub; said freewheel comprising an outer portion in the form of a cage secured to hub, an integral internal part of the pinion and rollers intercalated between the internal and external parts.
- the pinion when moved by the lever via the core mobile, is intended to mesh with the starter ring of the internal combustion engine of the motor vehicle, knowing that the launcher hub meshes with an output shaft adapted to be trained directly or indirectly by the engine electric M.
- the mass of a launcher can vary from 1 to 4 according to whether it is intended for a small vehicle starter tourism or a heavyweight starter.
- the friction of a launcher is much more important for a starter with pinion out only for a starter with pinion warhead.
- the microcontroller 25 is placed on a card electronics, and the cards often differ only in the microcontroller programming.
- the map is mounted in the contactor 10 in the vicinity of the fixed core of the contactor 10 as described for example in EP-A-0 751 545 to which reference will be made for more details. The risks are therefore high to confuse the cards and equip by mistake contactors, starters or vehicles, with unsuitable cards.
- the invention proposes to overcome here this disadvantage, that is to say to allow to identify easily and reliably the programming type of a control microcontroller from contactor, especially when it is already mounted on the starter.
- a method power supply of an electric starter switch motor vehicle in which one supplies on a circuit power supply of the contactor an effective power supply signal having a chosen evolution, characterized in that also, on the supply circuit, a signal additional having a shape chosen to facilitate the identification of the evolution of the feed signal effective.
- the invention also proposes a feeding device of a starter contactor of a motor vehicle, comprising a power supply circuit of the contactor and means for provide on this circuit an effective power signal having a chosen evolution, characterized in that it comprises also means to provide, on the circuit a supplementary signal having a chosen form to facilitate the identification of the chosen evolution of the signal effective feeding.
- FIG. 2 there are indicated on the abscissa successively during the displacement of a mobile core of contactor (kernel call period), and the ordinate the report cyclic of the supply voltage of the coil B of the contactor.
- FIG. 2 is identical to FIG. 3 of document FR-A-2. 795 884.
- the coil B is fed through of the transistor T in pulse mode of the modulation type of Pulse width modulation (PWM) according to the English terminology, the transistor T being driven by the microcontroller 25.
- PWM Pulse width modulation
- a duty ratio R 1 which is close to or equal to 100%.
- a high effective intensity passes through the coil B and the movable core is subjected to a force of attraction sufficient to lift it from its rest position and to set it in motion.
- This phase is brief enough to produce a high attraction force on the core only in order to take off the core.
- the transistor T 1 is first (up to a time t 2 ) the seat of a cyclic ratio R2 substantially equal to 50%, so that the effective current in the coil B is just sufficient to overcome residual friction forces, reduced after detachment of the movable core.
- the mobile core continues its movement until closing the contactor, without excessive speed.
- a second interval of this second phase which flows between time t2 and time t3, after a time determined or predetermined in the accidental case where the switch K could not have been closed, especially when Abnormally high forces take place in the contactor, the fork, the launcher and / or the motor M - the moving contact of the switch K not being in contact with the terminals power supply - the microcontroller 25 implements a continuous and progressive increase in the cyclical ratio, going from the ratio R2 to find the ratio R1. This interval ensures, by the progressive increase of the effective intensity, the closing of the contactor 10.
- the duty cycle is maintained at R1 for keep the mobile core in its contact position (closed switch K) with a high attraction force which avoids the rebounds of the mobile core against the fixed core of the contactor.
- the plot of FIG. 3, however, has, according to a characteristic of the invention, a preliminary phase, ranging from a time t -1 to the instant t 0 , during which the winding B receives a train of pulses chosen to be both easily examined by a user, using simple means, and both easily recognizable, ie having easily recognized shape specificities and making it unlikely to be confused with another signal.
- This train of impulses is here specifically adopted with the cyclic ratio evolution described above, to which it is indissociable because programmed in the microcontroller 25 simultaneously with this particular evolution.
- this pulse train L because of that it has a particular form, exclusively associated with the previous cyclical shift, constitutes a marking or intrinsic reference of this command signal particular, intrinsic to the object which it must identify, know the behavior of the microcontroller 25.
- the pulse train here has an R4 duty cycle less than R2, so that the effective intensity resulting from this pulse train does not produce any displacement of the nucleus mobile, so that it has no mechanical effect on the contactor.
- the shape specificities of this pulse train lie here in its total duration T (equal to the difference between t 0 and t -1 ).
- a duration T is chosen different for cards with different behaviors.
- This duration T also corresponds to a number of pulses predetermined.
- an operator can easily identify this number pulses that appeared during this preliminary phase. he takes the control signal for this purpose, for example at the output of the microcontroller 25, at the input of the transistor T1, at the output of the transistor T1, or the voltage across the coil B.
- Such an identification signal can also be detected with the aid of a detection device adapted to the recognize, for example preprogrammed to react to the signal expected.
- This identification signal may alternatively reveal the feeding mode being the seat of a coding.
- Such a coded pulse train may in particular have a ratio of duration between high state and low state which is characteristic of the intensity variation delivered by the card to the coil B at startup.
- Identification can also be done by train coded pulses having at least two levels of duration to the high state.
- the identification signal is for example a Pulse Width Modulation (PWM) type signal.
- PWM Pulse Width Modulation
- a PWM frequency of the signal is programmed, from t -1 to t 3 , which is different from the frequency used after t 0 , and the identification is done by measuring the frequency.
- the identification signal is programmed with a frequency modulation according to a given code.
- the pulse train on the supply circuit of the contactor coil (s), (here before the operation of the contactor 10), presents a coding that identifies the type of programming used in the microcontroller 25, without this pulse train does not put the moving core in motion (but not limited).
- the pulse train reveals a specific programming, and allows for example to distinguish between them control programs that can be very close to any of the others that would be difficult to differentiate if not. It allows for example to differentiate programming adaptive by revealing the type of adaptation they are putting into artwork.
- the additional signal is not a train pulse.
- the present invention is not limited to the embodiment described.
- the mocrocontroller 25 can put systematically a continuous increase and progressive cyclical report even in case of good operation.
- this increase in the ratio cyclic can be carried out in a non-progressive way by sudden increase in the cyclical ratio to find the R1 report.
- an effective power supply signal having a chosen evolution and according to the invention is provided also an additional signal having a shape chosen for to facilitate the identification of the evolution of the signal effective feeding.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Relay Circuits (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
- la figure 1 représente un montage d'alimentation d'un contacteur de démarreur conforme à l'état de la technique ;
- la figue 2 est un tracé représentant l'évolution d'un rapport cyclique de tension d'alimentation d'une bobine de contacteur ;
- la figure 3 est un tracé représentant l'évolution d'un rapport cyclique de tension d'alimentation d'une bobine de contacteur, selon l'invention
- la figure 4 représente un train d'impulsions d'identification selon l'invention.
Claims (11)
- Procédé d'alimentation d'un contacteur (10) de démarreur électrique de véhicule automobile dans lequel on fournit sur un circuit d'alimentation (T1, B, 20, 25) du contacteur (10) un signal d'alimentation efficace (R1, R2, R3) ayant une évolution choisie, caractérisé en ce qu'on fournit également, sur le circuit d'alimentation (T1, B, 20, 25), un signal supplémentaire (T, R4) ayant une forme choisie pour faciliter l'identification de l'évolution du signal d'alimentation efficace (R1, R2, R3).
- Procédé selon la revendication 1, caractérisé en ce que le signal supplémentaire (T, R4) est choisi pour n'avoir aucun effet mécanique sur le contacteur (10).
- Procédé selon la revendication 1, caractérisé en ce que le signal supplémentaire (T, R4) est un train d'impulsions.
- Procédé selon la revendication 1, caractérisé en ce que le signal supplémentaire (T,R4) présente une durée choisie (T), spécifique à l'évolution du signal d'alimentation efficace (R1,R2,R3).
- Procédé selon la revendication 3, caractérisé en ce que le signal supplémentaire (T,R4) présente un nombre d'impulsions choisi, spécifique à l'évolution du signal d'alimentation efficace (R1,R2,R3).
- Procédé selon la revendication 3, caractérisé en ce que le train d'impulsions (T, R4) présente un rapport de durée entre un état haut et un état bas qui est spécifique à l'évolution d'intensité efficace.
- Procédé selon la revendication 3, caractérisé en ce que le train d'impulsions (T, R4) constitue un codage dont les états hauts présentent au moins deux durées différentes.
- Procédé selon la revendication 3, caractérisé en ce que le train d'impulsions (T, R4) présente une fréquence (R4) différente de celle utilisée pour mettre en place la variation d'intensité efficace (R1, R2).
- Procédé selon la revendication 3, caractérisé en ce que le train d'impulsions (T, R4) présente une modulation de fréquence choisie.
- Procédé selon la revendication 1, caractérisé en ce que l'on génère le signal supplémentaire (T, R4) avant de générer le signal d'alimentation efficace (R1, R2, R3).
- Dispositif d'alimentation d'un contacteur (10) de démarreur de véhicule automobile, comportant un circuit d'alimentation (T1, B, 20, 25) du contacteur (10) et des mcvens (25, T1) pour fournir sur ce circuit (T1, B, 20, 25) un signal d'alimentation efficace (R1, R2, R3) ayant une évolution choisie, caractérisé en ce qu'il comporte également des moyens pour fournir (25, T1), sur le circuit d'alimentation (T1, B, 20, 25), un signal supplémentaire (T, R4) ayant une forme chcisie pour faciliter l'identification de l'évolution choisie du signal d'alimentation efficace (R1, R2, R3).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9916573 | 1999-12-28 | ||
FR9916573A FR2802981B1 (fr) | 1999-12-28 | 1999-12-28 | Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable |
PCT/FR2000/003447 WO2001048372A1 (fr) | 1999-12-28 | 2000-12-08 | Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1155235A1 EP1155235A1 (fr) | 2001-11-21 |
EP1155235B1 true EP1155235B1 (fr) | 2005-03-02 |
Family
ID=9553907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00988906A Expired - Lifetime EP1155235B1 (fr) | 1999-12-28 | 2000-12-08 | Procede et dispositif d'alimentation de contacteur de demarreur electrique de vehicule automobile a comportement determinable |
Country Status (7)
Country | Link |
---|---|
US (1) | US6708429B1 (fr) |
EP (1) | EP1155235B1 (fr) |
KR (1) | KR100714538B1 (fr) |
DE (1) | DE60018391T2 (fr) |
ES (1) | ES2239062T3 (fr) |
FR (1) | FR2802981B1 (fr) |
WO (1) | WO2001048372A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FR2853018B1 (fr) * | 2003-03-28 | 2005-05-13 | Valeo Electronique Sys Liaison | Commande du demarreur d'un moteur thermique d'un vehicule automobile |
US7479711B2 (en) * | 2006-10-23 | 2009-01-20 | Ford Global Technologies, Llc | System and method for controlling cycling of a vehicle contactor |
WO2016205598A1 (fr) | 2015-06-19 | 2016-12-22 | Briggs & Stratton Corporation | Moteur de démarreur doté d'un commutateur à semi-conducteurs intégré |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2999016B2 (ja) * | 1991-05-17 | 2000-01-17 | アスコ株式会社 | 車両安全装置の制御システム |
US5579194A (en) * | 1994-12-13 | 1996-11-26 | Eaton Corporation | Motor starter with dual-slope integrator |
FR2736100B1 (fr) * | 1995-06-27 | 1997-08-01 | Valeo Equip Electr Moteur | Contacteur de demarreur comportant un circuit electronique de commande integre au contacteur, et demarreur de vehicule comportant un tel contacteur |
FR2736099B1 (fr) * | 1995-06-27 | 1997-08-01 | Valeo Equip Electr Moteur | Demarreur de vehicule automobile et contacteur pour un tel demarreur comportant un relais auxiliaire de commande integre au contacteur |
FR2771781B1 (fr) * | 1997-12-03 | 2000-02-18 | Valeo Equip Electr Moteur | Dispositif pour la commande d'un demarreur de vehicule automobile |
FR2771780B1 (fr) * | 1997-12-03 | 2000-02-18 | Valeo Equip Electr Moteur | Procede et dispositif pour la commande de l'alimentation du bobinage d'un contacteur de demarreur de vehicule automobile |
FR2795884B1 (fr) * | 1999-06-30 | 2001-09-21 | Valeo Equip Electr Moteur | Procede d'entrainement progressif d'un contacteur du demarreur de vehicule |
-
1999
- 1999-12-28 FR FR9916573A patent/FR2802981B1/fr not_active Expired - Fee Related
-
2000
- 2000-12-08 DE DE60018391T patent/DE60018391T2/de not_active Expired - Lifetime
- 2000-12-08 ES ES00988906T patent/ES2239062T3/es not_active Expired - Lifetime
- 2000-12-08 EP EP00988906A patent/EP1155235B1/fr not_active Expired - Lifetime
- 2000-12-08 WO PCT/FR2000/003447 patent/WO2001048372A1/fr active IP Right Grant
- 2000-12-08 KR KR1020017010966A patent/KR100714538B1/ko not_active IP Right Cessation
- 2000-12-18 US US09/914,396 patent/US6708429B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1155235A1 (fr) | 2001-11-21 |
KR100714538B1 (ko) | 2007-05-07 |
KR20020005603A (ko) | 2002-01-17 |
FR2802981A1 (fr) | 2001-06-29 |
FR2802981B1 (fr) | 2002-03-29 |
WO2001048372A1 (fr) | 2001-07-05 |
DE60018391D1 (de) | 2005-04-07 |
DE60018391T2 (de) | 2006-04-06 |
ES2239062T3 (es) | 2005-09-16 |
US6708429B1 (en) | 2004-03-23 |
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