EP1462645A1 - Control device of an engine starter of a vehicle - Google Patents
Control device of an engine starter of a vehicle Download PDFInfo
- Publication number
- EP1462645A1 EP1462645A1 EP04290803A EP04290803A EP1462645A1 EP 1462645 A1 EP1462645 A1 EP 1462645A1 EP 04290803 A EP04290803 A EP 04290803A EP 04290803 A EP04290803 A EP 04290803A EP 1462645 A1 EP1462645 A1 EP 1462645A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- starter
- engine
- contactor
- contact
- 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.)
- Granted
Links
- 239000007858 starting material Substances 0.000 title claims description 38
- 238000005259 measurement Methods 0.000 claims description 7
- 238000013021 overheating Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000003416 augmentation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method 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
- F02N11/10—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
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits specially adapted for starting of engines
- F02N11/0851—Circuits 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 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
- 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]
-
- 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
- F02N2300/30—Control related aspects of engine starting characterised by the use of digital means
- F02N2300/302—Control related aspects of engine starting characterised by the use of digital means using data communication
Definitions
- the present invention relates to control motor vehicle starters.
- This microcontroller also allows the management of the PWM (Pulse Width Modulation) for feeding the coil contactor from 0% to 100%.
- PWM Pulse Width Modulation
- One of the aims of the present invention is to remedy these constraints.
- the invention relates to the control of a starter provided a pinion intended to drive the crown of an engine thermal of a motor vehicle comprising a battery, a contactor inserted between the battery, the motor electric starter and control unit electronic to control the closing of the contactor at from a command key and to open said contactor after starting the engine, the motor vehicle with a control computer motor, said control being characterized in that the electronic control unit is connected to the computer motor control and includes a change-over relay, the latter after the starting phase of the engine cuts power to the contactor and switches off PWM signal voltage to other equipment.
- control of the contactor is offset in an engine control unit and limits the thermal and vibration stresses on components.
- the order includes means to scan the battery voltage to detect the inrush current corresponding to the energization of the starter motor.
- the command includes means for incrementing a counter at each attempt to start and increment this counter by function of the time between each start attempt so limit the thermal overheating of the starter and power components of the board.
- control includes means for checking the absence of boost for the starter motor.
- phase t6 includes means to limit the duration of contact maintenance during starting phase of the heat engine.
- the starter control may include a CAN (Controller Aera Network) frame inserted between the engine control computer and control unit electronic to send the latter an order of start the engine, and then give it information on starting the heat engine.
- CAN Controller Aera Network
- Figure 1 shows a diagram of the control of the motor vehicle starter.
- Figure 2 shows the duty cycle of the starter motor contactor.
- Reference 1 designates a battery accumulators whose terminal - is grounded, while terminal + is connected to a pad 2 of a contactor 21 provided a contact 13 and a second pad 4 connected to the power supply to the electric motor of a starter 5 comprising a pinion intended to cooperate with a crown of a heat engine.
- a conductor 6 connected to the engine control computer 7 of which is equipped the vehicle with interposition of a switch 8 constituting the engine ignition and starting key of the vehicle.
- the engine control computer 7 is designed to check the various parameters of the vehicle engine and it is connected by a CAN bus 11 to a microcontroller 9 of a electronic control unit 10 for controlling a change-over relay 12 connected by a line 14 to the line power supply for pad 2 as well as a switching 19 and a safety switch 20.
- the relay inverter 12 is capable of cooperating selectively with a contact 16 connected to the coil 3 of the contactor 21 and with a contact 18.
- the electronic control unit 10 comprises at minimum another output 15 connected to contact 18 and which can power other equipment outside of start-up phases.
- the information is transmitted to the engine control computer 7 which verifies that the engine is stopped, in this case, it retransmits the boot order to the control unit electronic 10.
- control unit electronics determines the average control voltages of the contactor 21.
- the closing of the contactor is detected by the sudden drop in battery voltage caused by the current draw necessary to supply the motor of the starter.
- the engine start is signaled at the electronic control unit 10 by the computer motor control 7 by sending the CAN frame or a analog signal.
- the electronic control unit 10 increments its number counter attempting to start a certain value, decrements it as a function of time before next start attempt and calculates the number maximum possible start attempt.
- control unit electronics 10 quits starter mode by switching the changeover relay 12 for output 15 to send a PWM signal to other equipment.
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)
- Motor And Converter Starters (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
La présente invention se rapporte à la commande des démarreurs de véhicules automobiles.The present invention relates to control motor vehicle starters.
Sur le circuit des démarreurs contrôlés électroniquement, on insère un microcontrôleur qui permet de réaliser les fonctions de contrôle c'est-à-dire : antidémarrage du démarreur lorsque le moteur tourne, protection thermique du démarreur, protection contre les survoltages, arrêt automatique du démarreur.On the circuit of controlled starters electronically, we insert a microcontroller which allows to carry out the control functions, that is to say: immobilizer of the starter when the engine is running, starter thermal protection, protection against boosters, automatic starter stop.
Ce microcontrôleur permet également la gestion du PWM (Pulse Width Modulation)d'alimentation de la bobine du contacteur de 0% à 100%.This microcontroller also allows the management of the PWM (Pulse Width Modulation) for feeding the coil contactor from 0% to 100%.
Toutefois, les éléments électroniques sont soumis à des contraintes thermiques et vibratoires importantes.However, electronic items are subject to significant thermal and vibration constraints.
L'un des buts de la présente invention est de remédier à ces contraintes.One of the aims of the present invention is to remedy these constraints.
L'invention vise la commande d'un démarreur pourvu d'un pignon destiné à entraíner la couronne d'un moteur thermique d'un véhicule automobile comportant une batterie, un contacteur inséré entre la batterie, le moteur électrique du démarreur et une unité de contrôle électronique pour commander la fermeture du contacteur à partir d'une clé de commande et pour ouvrir ledit contacteur après le démarrage du moteur thermique, le véhicule automobile comportant un calculateur contrôle moteur, ladite commande étant caractérisée en ce que l'unité de contrôle électronique est reliée au calculateur contrôle moteur et comporte un relais inverseur, ce dernier après la phase de démarrage du moteur thermique coupe l'alimentation du contacteur et fait l'aiguillage hors tension des signaux PWM vers un autre équipement.The invention relates to the control of a starter provided a pinion intended to drive the crown of an engine thermal of a motor vehicle comprising a battery, a contactor inserted between the battery, the motor electric starter and control unit electronic to control the closing of the contactor at from a command key and to open said contactor after starting the engine, the motor vehicle with a control computer motor, said control being characterized in that the electronic control unit is connected to the computer motor control and includes a change-over relay, the latter after the starting phase of the engine cuts power to the contactor and switches off PWM signal voltage to other equipment.
Grâce à cette disposition, la commande du contacteur est déportée dans un calculateur moteur et on limite les contraintes thermiques et vibratoires sur les composants.Thanks to this arrangement, the control of the contactor is offset in an engine control unit and limits the thermal and vibration stresses on components.
De préférence, la commande comporte des moyens pour scruter la tension de la batterie afin de détecter le courant d'appel correspondant à la mise sous tension du moteur du démarreur.Preferably, the order includes means to scan the battery voltage to detect the inrush current corresponding to the energization of the starter motor.
Suivant une autre caractéristique, la commande comporte des moyens pour incrémenter un compteur à chaque tentative de démarrage et désincrémenter ce compteur en fonction du temps entre chaque tentative de démarrage afin de limiter les échauffements thermiques du démarreur et des composants de puissance de la carte.According to another characteristic, the command includes means for incrementing a counter at each attempt to start and increment this counter by function of the time between each start attempt so limit the thermal overheating of the starter and power components of the board.
Suivant encore une autre caractéristique, la commande comporte des moyens de contrôle de l'absence de survoltage pour le moteur du démarreur.According to yet another characteristic, the control includes means for checking the absence of boost for the starter motor.
La commande du démarreur comporte différentes phases représentant le rapport cyclique de la commande du contacteur du démarreur, soit :
- t1 correspondant au contrôle préliminaire des interrupteurs, de la mesure de la tension de la batterie et de la mesure de la température de celle-ci ;
- t2 rapport cyclique 100% pour décollement du contact vers la position de fermeture du contacteur ;
- t3 rapport cyclique pour accostage en douceur du pignon du démarreur ;
- t4 augmentation du rapport cyclique jusqu'à fermeture du contact si celui-ci n'est pas fermé ;
- t5 détection de la fermeture du contact et application d'un rapport cyclique proche de 100% pour maintenir le contact fermé ;
- t6 maintien du contact pendant la phase de démarrage du moteur thermique.
- t1 corresponding to the preliminary check of the switches, of the measurement of the battery voltage and of the measurement of the temperature thereof;
- t2 duty cycle 100% for detachment of the contact to the closed position of the contactor;
- t3 duty cycle for smooth approach of the starter pinion;
- t4 increase in the duty cycle until the contact is closed if the contact is not closed;
- t5 detection of contact closure and application of a duty cycle close to 100% to keep the contact closed;
- t6 maintaining contact during the starting phase of the engine.
De préférence, la phase t6 comporte des moyens pour limiter la durée de maintien du contact durant la phase de démarrage du moteur thermique.Preferably, phase t6 includes means to limit the duration of contact maintenance during starting phase of the heat engine.
Enfin, la commande du démarreur peut comporter une trame CAN (Controller Aera Network) insérée entre le calculateur contrôle moteur et l'unité de contrôle électronique pour envoyer à cette dernière un ordre de démarrage du moteur thermique, et ensuite lui donner l'information du démarrage du moteur thermique.Finally, the starter control may include a CAN (Controller Aera Network) frame inserted between the engine control computer and control unit electronic to send the latter an order of start the engine, and then give it information on starting the heat engine.
L'invention va maintenant être décrite avec plus de détails en se référant à un mode de réalisation particulier donné à titre d'exemple seulement et représenté aux dessins annexés. The invention will now be described with more details with reference to an embodiment particular given by way of example only and shown to the accompanying drawings.
Figure 1 montre un schéma de la commande du démarreur d'un véhicule automobile.Figure 1 shows a diagram of the control of the motor vehicle starter.
Figure 2 montre le rapport cyclique de commande du contacteur du moteur du démarreur.Figure 2 shows the duty cycle of the starter motor contactor.
La référence 1 désigne une batterie
d'accumulateurs dont la borne - est à la masse, tandis que
la borne + est reliée à un plot 2 d'un contacteur 21 pourvu
d'un contact 13 et d'un second plot 4 relié à
l'alimentation du moteur électrique d'un démarreur 5
comportant un pignon destiné à coopérer avec une couronne
d'un moteur thermique.
A la borne + de la batterie 1 est branché un
conducteur 6 relié au calculateur contrôle moteur 7 dont
est équipé le véhicule avec interposition d'un interrupteur
8 constituant la clé de contact et de démarrage du moteur
du véhicule.To the + terminal of
Le calculateur contrôle moteur 7 est agencé pour
vérifier les différents paramètres du moteur du véhicule et
il est relié par un bus CAN 11 à un microcontrôleur 9 d'une
unité de contrôle électronique 10 destinée à commander un
relais inverseur 12 relié par une ligne 14 à la ligne
d'alimentation du plot 2 ainsi qu'à un interrupteur de
découpage 19 et un interrupteur de sécurité 20. Le relais
inverseur 12 est susceptible de coopérer sélectivement avec
un contact 16 relié à la bobine 3 du contacteur 21 et avec
un contact 18.The
L'unité de contrôle électronique 10 comporte au
minimum une autre sortie 15 reliée au contact 18 et qui
permet d'alimenter d'autres équipements en dehors des
phases de démarrage.The
Lorsque la clé de contact est tournée pour
commander le démarrage du moteur, l'information est
transmise au calculateur contrôle moteur 7 qui vérifie que
le moteur est bien arrêté, dans ce cas, il retransmet
l'ordre de démarrage vers l'unité de contrôle
électronique 10.When the ignition key is turned to
order the engine to start, the information is
transmitted to the
L'unité de contrôle électronique 10 permet de vérifier un certain nombre de paramètres, soit :
- le contrôle préliminaire des interrupteurs de puissance ;
- interrupteurs de découpage et interrupteurs de sécurité ;
- la valeur d'un certain nombre de démarrage par le contrôle d'un compteur ;
- le contrôle de la tension de la
batterie 1 ; - le contrôle de l'absence de survoltage pour le démarreur ;
- la détermination du nombre d'essais de démarrage possible sans surchauffe du démarreur.
- preliminary control of power switches;
- cutting switches and safety switches;
- the value of a certain number of starts by checking a counter;
- checking the voltage of
battery 1; - checking that there is no overvoltage for the starter;
- determining the number of starting attempts possible without overheating the starter.
De ces différentes mesures, l'unité de contrôle
électronique détermine les tensions moyennes de commande du
contacteur 21. From these different measurements, the control unit
electronics determines the average control voltages of the
Les différentes phases sont représentées à la figure 2 qui représente le rapport cyclique de la commande de la bobine du contacteur du démarreur :
- t1 correspond aux contrôles préliminaires des interrupteurs, mesure de la tension de la batterie et mesure de la température de celle-ci ;
- t2 rapport cyclique 100% pour décollement du
contact 13 ; - t3 rapport cyclique pour commander l'accostage du pignon du démarreur en douceur avec la couronne du moteur thermique du véhicule ;
- t4 augmentation du rapport cyclique dans le cas
de non-fermeture du
contact 13 jusqu'à fermeture de celui-ci ; - t5 détection de la fermeture du
contact 3, un rapport cyclique proche de 100% étant appliqué pour fermer le contacteur ou le maintenir fermé malgré les rebonds et la chute de tension de la batterie ; - t6 phase de maintien du contacteur pendant le démarrage du moteur thermique. La durée de cette phase est limitée pour éviter la surchauffe du démarreur.
- t1 corresponds to the preliminary checks of the switches, measurement of the battery voltage and measurement of the temperature thereof;
- t2 100% duty cycle for separation of
contact 13; - t3 duty cycle for controlling the soft start of the starter pinion with the crown of the vehicle's heat engine;
- t4 increase in the duty cycle in the case of
contact 13 not being closed until contact is closed; - t5 detection of the closure of
contact 3, a duty cycle close to 100% being applied to close the contactor or keep it closed despite rebounds and the drop in voltage of the battery; - t6 contactor maintenance phase during the heat engine start-up. The duration of this phase is limited to avoid overheating the starter.
La fermeture du contacteur est détectée par la brusque chute de la tension de la batterie engendrée par l'appel de courant nécessaire à l'alimentation du moteur du démarreur. The closing of the contactor is detected by the sudden drop in battery voltage caused by the current draw necessary to supply the motor of the starter.
Le démarrage du moteur thermique est signalé à
l'unité de contrôle électronique 10 par le calculateur
contrôle moteur 7 par l'envoi de la trame CAN ou d'un
signal analogique.The engine start is signaled at
the
L'unité de contrôle électronique 10 incrémente son
compteur de nombre de tentative de démarrage d'une certaine
valeur, le désincrémente en fonction du temps avant la
prochaine tentative de démarrage et calcule le nombre
maximum de tentative de démarrage possible.The
Après la phase t6, l'unité de contrôle
électronique 10 abandonne le mode démarreur en commutant le
relais inverseur 12 pour la sortie 15 afin d'envoyer un
signal PWM vers un autre équipement.After phase t6, the
Bien entendu, l'invention n'est pas limitée au mode de réalisation qui vient d'être décrit et représenté. On pourra y apporter de nombreuses modifications de détail sans sortir pour cela du cadre de l'invention.Of course, the invention is not limited to embodiment which has just been described and represented. We can make many modifications in detail without departing from the scope of the invention.
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0303883 | 2003-03-28 | ||
| FR0303883A FR2853018B1 (en) | 2003-03-28 | 2003-03-28 | CONTROLLING THE STARTER OF A THERMAL MOTOR OF A MOTOR VEHICLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1462645A1 true EP1462645A1 (en) | 2004-09-29 |
| EP1462645B1 EP1462645B1 (en) | 2006-01-18 |
Family
ID=32799778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20040290803 Expired - Lifetime EP1462645B1 (en) | 2003-03-28 | 2004-03-25 | Control device of an engine starter of a vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1462645B1 (en) |
| DE (1) | DE602004000337T2 (en) |
| ES (1) | ES2256826T3 (en) |
| FR (1) | FR2853018B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013014385A2 (en) | 2011-07-26 | 2013-01-31 | Valeo Equipements Electriques Moteur | Mobile assembly comprising a starter drive unit and a control lever, for meshing with a starter ring gear of a heat engine, and a heat engine starter comprising such an assembly |
| DE102018009455A1 (en) | 2017-12-11 | 2019-06-13 | Valeo Equipements Electriques Moteur | Electric motor for a starter of an internal combustion engine and starter, which is equipped with such an electric motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725488A (en) * | 1951-10-03 | 1955-11-29 | Leece Neville Co | Series-parallel switch and battery circuit |
| US5798577A (en) * | 1996-02-29 | 1998-08-25 | Vehicle Enhancement Systems, Inc. | Tractor/trailor cranking management system and method |
| US5886419A (en) * | 1995-08-31 | 1999-03-23 | Hitachi, Ltd. | Apparatus for driving electrical loads provided at a car |
| FR2802981A1 (en) * | 1999-12-28 | 2001-06-29 | Valeo Equip Electr Moteur | Identifying motor vehicle starting circuit microcontroller card by including before commencement of normal cycle pulses which are easily identified but do not cause any contactor operation |
| US6497209B1 (en) * | 1999-09-10 | 2002-12-24 | Intra International Ab | System and method for protecting a cranking subsystem |
-
2003
- 2003-03-28 FR FR0303883A patent/FR2853018B1/en not_active Expired - Fee Related
-
2004
- 2004-03-25 EP EP20040290803 patent/EP1462645B1/en not_active Expired - Lifetime
- 2004-03-25 ES ES04290803T patent/ES2256826T3/en not_active Expired - Lifetime
- 2004-03-25 DE DE200460000337 patent/DE602004000337T2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2725488A (en) * | 1951-10-03 | 1955-11-29 | Leece Neville Co | Series-parallel switch and battery circuit |
| US5886419A (en) * | 1995-08-31 | 1999-03-23 | Hitachi, Ltd. | Apparatus for driving electrical loads provided at a car |
| US5798577A (en) * | 1996-02-29 | 1998-08-25 | Vehicle Enhancement Systems, Inc. | Tractor/trailor cranking management system and method |
| US6497209B1 (en) * | 1999-09-10 | 2002-12-24 | Intra International Ab | System and method for protecting a cranking subsystem |
| FR2802981A1 (en) * | 1999-12-28 | 2001-06-29 | Valeo Equip Electr Moteur | Identifying motor vehicle starting circuit microcontroller card by including before commencement of normal cycle pulses which are easily identified but do not cause any contactor operation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013014385A2 (en) | 2011-07-26 | 2013-01-31 | Valeo Equipements Electriques Moteur | Mobile assembly comprising a starter drive unit and a control lever, for meshing with a starter ring gear of a heat engine, and a heat engine starter comprising such an assembly |
| DE102018009455A1 (en) | 2017-12-11 | 2019-06-13 | Valeo Equipements Electriques Moteur | Electric motor for a starter of an internal combustion engine and starter, which is equipped with such an electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2853018B1 (en) | 2005-05-13 |
| EP1462645B1 (en) | 2006-01-18 |
| FR2853018A1 (en) | 2004-10-01 |
| DE602004000337T2 (en) | 2006-07-13 |
| DE602004000337D1 (en) | 2006-04-06 |
| ES2256826T3 (en) | 2006-07-16 |
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