FR3052711B1 - HYBRID VEHICLE POWER PACKAGE COMPRISING AN INDUCTION MOTOR - Google Patents

HYBRID VEHICLE POWER PACKAGE COMPRISING AN INDUCTION MOTOR Download PDF

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Publication number
FR3052711B1
FR3052711B1 FR1655745A FR1655745A FR3052711B1 FR 3052711 B1 FR3052711 B1 FR 3052711B1 FR 1655745 A FR1655745 A FR 1655745A FR 1655745 A FR1655745 A FR 1655745A FR 3052711 B1 FR3052711 B1 FR 3052711B1
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torque
wheels
hybrid vehicle
induction motor
vehicle power
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FR3052711A1 (en
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Velayutham Nainar
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Renault SAS
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Renault SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/448—Electrical distribution type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/28—Eddy-current braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/28—Four wheel or all wheel drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

Groupe motopropulseur de véhicule hybride (10) comprenant un moteur thermique (12), au moins un moteur à induction (14), une première transmission ou essieu (16) qui reçoit un couple d'un premier arbre d'entrée de couple (18) d'un dispositif de répartition de couple (25) et qui transmet un couple à un premier ensemble de roues (26), et une deuxième transmission (20) qui reçoit un couple d'un deuxième arbre d'entrée de couple (22) du moteur à induction (14) et qui transmet un couple à un deuxième ensemble de roues (34). Le groupe motopropulseur de véhicule hybride comprend un générateur synchrone (36) configuré pour commander le moteur à induction (14) en régulant la tension de sortie dudit moteur à induction.Hybrid vehicle power train (10) comprising a heat engine (12), at least one induction motor (14), a first transmission or axle (16) which receives a torque from a first torque input shaft (18) ) of a torque distribution device (25) and which transmits torque to a first set of wheels (26), and a second transmission (20) which receives a torque from a second torque input shaft (22). ) of the induction motor (14) and transmits a torque to a second set of wheels (34). The hybrid vehicle powertrain comprises a synchronous generator (36) configured to control the induction motor (14) by regulating the output voltage of said induction motor.

Description

Groupe motopropulseur de véhicule hybride comportant un moteur à inductionHybrid vehicle power train featuring an induction motor

La présente invention concerne les véhicules automobiles, en particulier un groupe motopropulseur de véhicule hybride comportant une première transmission ou essieu entraîné(e) par un moteur thermique et une deuxième transmission ou essieu entraîné(e) par un moteur à induction qui est lui-même alimenté par le moteur thermique.The present invention relates to motor vehicles, in particular a hybrid vehicle powertrain comprising a first transmission or axle driven by a heat engine and a second transmission or axle driven by an induction motor which is itself powered by the engine.

Un type de groupe motopropulseur ou chaîne de traction hybride utilise une seule source de puissance comme un moteur à combustion interne, par exemple un moteur diesel ou à essence. Un moteur électrique supporte une transmission à quatre roues motrices temporaire pour stabiliser le véhicule et pour s’adapter à des conditions de glissement des roues sur la chaussée. Généralement, la transmission a un premier arbre d’entrée relié au moteur thermique, un deuxième arbre d’entrée relié au moteur électrique, et un embrayage monté sur chaque arbre d’entrée pour relier les arbres d’entrée entre eux. Les arbres d’entrée sont reliés à des arbres de sortie qui délivrent un couple de sortie aux roues du véhicule par l’intermédiaire d’un mécanisme de différentiel.One type of powertrain or hybrid drivetrain uses a single power source such as an internal combustion engine, for example a diesel or gasoline engine. An electric motor supports a temporary four-wheel-drive transmission to stabilize the vehicle and to adapt to wheel slip conditions on the roadway. Generally, the transmission has a first input shaft connected to the heat engine, a second input shaft connected to the electric motor, and a clutch mounted on each input shaft for connecting the input shafts to each other. The input shafts are connected to output shafts which deliver an output torque to the vehicle wheels via a differential mechanism.

Différents modes de fonctionnement, comme un mode de fonctionnement à moteur thermique seul, un mode de fonctionnement tout électrique et un mode de fonctionnement électriquement variable sont établis en actionnant des freins et/ou embrayages dans différentes combinaisons et en commandant le moteur thermique et le ou les moteur(s) électrique(s).Different modes of operation, such as a single-engine mode of operation, an all-electric mode of operation and an electrically variable mode of operation are established by operating brakes and / or clutches in different combinations and controlling the engine and the engine. the electric motor (s).

Le moteur électrique généralement employé est un moteur synchrone, qui a besoin de dispositifs électroniques pour démarrer. De plus, les moteurs synchrones sont particulièrement onéreux.The generally used electric motor is a synchronous motor, which needs electronic devices to boot. In addition, synchronous motors are particularly expensive.

Le but de la présente invention est de surmonter les inconvénients susmentionnés.The object of the present invention is to overcome the aforementioned drawbacks.

Un but de la présente invention est de proposer un véhicule hybride ayant une transmission à quatre roues motrices avec des coûts de fabrication réduits.An object of the present invention is to provide a hybrid vehicle having a four-wheel drive transmission with reduced manufacturing costs.

Un autre objet particulier de la présente invention est de proposer un véhicule hybride ayant un démarrage facile.Another particular object of the present invention is to provide a hybrid vehicle having an easy start.

Dans un mode de réalisation, un groupe motopropulseur de véhicule hybride comprend un moteur thermique, au moins un moteur à induction, une première transmission qui reçoit un couple d’un premier arbre d’entrée de couple d’un dispositif de répartition de couple ou d’une boîte de transfert et qui transmet un couple à un premier ensemble de roues, et une deuxième transmission qui reçoit un couple d’un deuxième arbre d’entrée de couple du moteur à induction et qui transmet un couple à un deuxième ensemble de roues. L’arbre de transmission qui connecte les roues arrière est simplement remplacé par des fils électriques.In one embodiment, a hybrid vehicle power train comprises a heat engine, at least one induction motor, a first transmission that receives a torque from a first torque input shaft of a torque distribution device or a transfer case that transmits torque to a first set of wheels, and a second transmission that receives a torque from a second torque input shaft of the induction motor and transmits a torque to a second set of wheels; wheels. The drive shaft that connects the rear wheels is simply replaced by electrical wires.

Le groupe motopropulseur de véhicule hybride comprend en outre un générateur synchrone configuré pour commander le moteur à induction en régulant la tension de sortie dudit moteur à induction.The hybrid vehicle powertrain further includes a synchronous generator configured to control the induction motor by regulating the output voltage of said induction motor.

Avantageusement, la première transmission comprend un engrenage planétaire et le dispositif de répartition de couple distribue le couple à des engrenages à rapport fixe ou à un différentiel relié au premier ensemble de roues du véhicule par un premier arbre de sortie de couple.Advantageously, the first transmission comprises a planetary gear and the torque distribution device distributes the torque to fixed ratio gears or to a differential connected to the first set of wheels of the vehicle by a first torque output shaft.

Le générateur synchrone est, par exemple, accouplé à l’engrenage planétaire et au dispositif de répartition de couple qui est accouplé à un arbre d’entrée de générateur.The synchronous generator is, for example, coupled to the planetary gear and to the torque distribution device which is coupled to a generator input shaft.

Dans un mode de réalisation, le groupe motopropulseur de véhicule hybride comprend un dispositif de frein à commande électronique configuré pour commander la fréquence de l’arbre d’entrée de générateur. Le dispositif de frein à commande électronique est par exemple un frein à commande par courants de Foucault.In one embodiment, the hybrid vehicle power train includes an electronically controlled brake device configured to control the frequency of the generator input shaft. The electronically controlled brake device is for example an eddy current brake.

Avantageusement, le générateur synchrone comprend un dispositif de régulation de tension électrique automatique.Advantageously, the synchronous generator comprises an automatic voltage regulation device.

Dans un mode de réalisation, la deuxième transmission comprend un mécanisme différentiel placé entre le deuxième arbre d’entrée de couple du moteur à induction et un deuxième arbre de sortie de couple qui entraîne le deuxième ensemble de roues.In one embodiment, the second transmission includes a differential mechanism located between the second torque input shaft of the induction motor and a second torque output shaft that drives the second set of wheels.

Dans un autre mode de réalisation, le groupe motopropulseur de véhicule hybride comprend deux moteurs à induction individuels, configurés chacun pour entraîner l’une des roues du deuxième ensemble de roues.In another embodiment, the hybrid vehicle powertrain comprises two individual induction motors, each configured to drive one of the wheels of the second set of wheels.

Dans un mode de réalisation, le premier ensemble de roues est l’ensemble des roues avant du véhicule et le deuxième ensemble de roues est l’ensemble des roues arrière du véhicule. En variante, le premier ensemble de roues peut être l’ensemble de roues arrière du véhicule hybride et le deuxième ensemble de roues peut être l’ensemble de roues avant du véhicule.In one embodiment, the first set of wheels is the set of front wheels of the vehicle and the second set of wheels is the set of rear wheels of the vehicle. Alternatively, the first set of wheels may be the set of rear wheels of the hybrid vehicle and the second set of wheels may be the set of front wheels of the vehicle.

La présente invention sera mieux comprise à la lecture de la description détaillée d’un nombre de modes de réalisation considérés uniquement à titre d’exemples non limitatifs et illustrés par le dessin annexé, qui montre une vue schématique d’un groupe motopropulseur de véhicule hybride selon la présente invention.The present invention will be better understood on reading the detailed description of a number of embodiments considered solely by way of nonlimiting examples and illustrated by the appended drawing, which shows a schematic view of a hybrid powertrain powertrain. according to the present invention.

Comme montré sur la figure 1, un groupe motopropulseur de véhicule hybride 10 comprend un moteur thermique 12, un moteur à induction 14, une première transmission 16 qui reçoit un couple d’un premier arbre d’entrée de couple 18 du moteur thermique 12, et une deuxième transmission 20 qui reçoit un couple d’un deuxième arbre d’entrée de couple 22 du moteur à induction 14.As shown in FIG. 1, a hybrid vehicle powertrain 10 comprises a heat engine 12, an induction motor 14, a first transmission 16 which receives a torque from a first torque input shaft 18 of the heat engine 12, and a second transmission 20 which receives a torque from a second torque input shaft 22 of the induction motor 14.

La première transmission 16 comprend une boîte de vitesses, comme par exemple un engrenage planétaire 24 et un dispositif de répartition de couple 25 qui distribue le couple à des engrenages à rapport fixe ou à un différentiel relié à un premier ensemble de roues 26 du véhicule par un premier arbre de sortie de couple 28.The first transmission 16 comprises a gearbox, such as for example a planetary gear 24 and a torque distribution device 25 which distributes the torque to fixed ratio gears or to a differential connected to a first set of wheels 26 of the vehicle by a first torque output shaft 28.

Comme représenté, la deuxième transmission 20 comprend un mécanisme de différentiel 30 placé entre le deuxième arbre d’entrée de couple 22 du moteur à induction 14 et un deuxième arbre de sortie de couple 32 qui entraîne un deuxième ensemble de roues 34.As shown, the second transmission 20 comprises a differential mechanism 30 placed between the second torque input shaft 22 of the induction motor 14 and a second torque output shaft 32 which drives a second set of wheels 34.

Comme montré, le premier ensemble de roues 26 est l’ensemble des roues avant du véhicule hybride et le deuxième ensemble de roues 34 est l’ensemble des roues arrière du véhicule. En variante, le premier ensemble de roues 26 peut être l’ensemble des roues arrière du véhicule hybride et le deuxième ensemble de roues 34 peut être l’ensemble des roues avant du véhicule.As shown, the first set of wheels 26 is the set of front wheels of the hybrid vehicle and the second set of wheels 34 is the set of rear wheels of the vehicle. Alternatively, the first set of wheels 26 may be the set of rear wheels of the hybrid vehicle and the second set of wheels 34 may be all of the front wheels of the vehicle.

En variante, le groupe motopropulseur de véhicule hybride peut comprendre deux moteurs à induction, chacun entraînant une roue du deuxième ensemble de roues. Dans ce cas, la deuxième transmission n’est pas pourvue d’un mécanisme différentiel.Alternatively, the hybrid vehicle powertrain may comprise two induction motors, each driving a wheel of the second set of wheels. In this case, the second transmission is not provided with a differential mechanism.

Comme représenté, le groupe motopropulseur de véhicule hybride comprend un générateur synchrone 36 configuré pour commander le moteur à induction 14 en régulant la tension de sortie du moteur à induction. Le générateur synchrone 36 est accouplé au dispositif de répartition de couple 25 au moyen d’un arbre d’entrée de générateur 38. La fréquence de l’arbre d’entrée de générateur 38 est commandée par un dispositif de frein à commande électronique 40. Le dispositif de frein à commande électronique 40 peut être par exemple un frein à commande par courants de Foucault, un frein assisté ou n’importe quelle technologie de frein à commande électronique adaptée pour gérer la vitesse d’entrée de l’arbre de générateur 38.As shown, the hybrid vehicle powertrain comprises a synchronous generator 36 configured to control the induction motor 14 by regulating the output voltage of the induction motor. The synchronous generator 36 is coupled to the torque distribution device 25 by means of a generator input shaft 38. The frequency of the generator input shaft 38 is controlled by an electronically controlled brake device 40. The electronically controlled brake device 40 may be, for example, an eddy current brake, an assisted brake, or any electronically controlled brake technology adapted to handle the input speed of the generator shaft. .

Le générateur synchrone 36 comprend un régulateur de tension électrique automatique (non représenté) afin d’ajuster l’excitation et de maintenir la tension de sortie dans toutes les conditions de charge de travail. En effet, à vitesse constante, la tension du générateur synchrone 36 est fonction de l’excitation dudit générateur et de l’amplitude de la charge. Comme la tension du générateur synchrone 36 chute quand la charge augmente, l’excitation doit être augmentée.The synchronous generator 36 includes an automatic voltage regulator (not shown) to adjust the excitation and maintain the output voltage under all workload conditions. Indeed, at constant speed, the voltage of the synchronous generator 36 is a function of the excitation of said generator and the amplitude of the load. As the voltage of the synchronous generator 36 drops as the load increases, the excitation must be increased.

Le moteur à induction est ainsi apte à l’auto-démarrage grâce à son magnétisme résiduel. En effet, dès que le moteur à induction tourne, une petite tension de sortie est produite qui crée un courant dans le régulateur de tension automatique du générateur, lequel augmente à son tour la tension de sortie.The induction motor is thus suitable for self-starting thanks to its residual magnetism. Indeed, as soon as the induction motor rotates, a small output voltage is produced which creates a current in the automatic voltage regulator of the generator, which in turn increases the output voltage.

Grâce à la présente invention, le véhicule hybride peut être mû à la fois par le moteur thermique et par le moteur à induction, et agit ainsi comme un véhicule à quatre roues motrices.Thanks to the present invention, the hybrid vehicle can be driven by both the engine and the induction motor, and thus acts as a four-wheel drive vehicle.

En outre, l’utilisation d’un moteur à induction réduit les coûts de fabrication. Le moteur à induction peut démarrer sans l’aide de dispositifs électroniques complexes.In addition, the use of an induction motor reduces manufacturing costs. The induction motor can start without the aid of complex electronic devices.

Claims (6)

REVENDICATIONS 1. Groupe motopropulseur de véhicule hybride (10) comprenant un moteur thermique (12), au moins un moteur à induction (14), une première transmission (16) qui reçoit un couple d’un premier arbre d’entrée de couple (18) du moteur thermique (12) et qui transmet un couple à un premier ensemble de roues (26), et une deuxième transmission (20) qui reçoit un couple d’un deuxième arbre d’entrée de couple (22) du moteur à induction (14) et qui transmet un couple à un deuxième ensemble de roues (34), ladite première transmission comprenant un engrenage planétaire (24) et un dispositif de répartition de couple (25) qui distribue le couple à des engrenages à rapport fixe reliés au premier ensemble de roues (26) du véhicule par un premier arbre de sortie de couple (28), caractérisé en ce que le groupe motopropulseur de véhicule hybride comprend un générateur synchrone (36) accouplé au dispositif de répartition de couple (25) au moyen d’un arbre d’entrée de générateur (38) et configuré pour commander le moteur à induction (14) en régulant la tension de sortie dudit moteur à induction et en ce qu’il comprend un dispositif de frein à commande électronique (40) configuré pour commander la fréquence de l’arbre d’entrée de générateur (38).A hybrid vehicle power train (10) comprising a heat engine (12), at least one induction motor (14), a first transmission (16) which receives a torque of a first torque input shaft (18). ) of the heat engine (12) and which transmits a torque to a first set of wheels (26), and a second transmission (20) which receives a torque of a second torque input shaft (22) of the induction motor (14) and transmitting a torque to a second set of wheels (34), said first transmission comprising a sun gear (24) and a torque distribution device (25) which distributes the torque to fixed ratio gears connected to the first set of wheels (26) of the vehicle by a first torque output shaft (28), characterized in that the hybrid vehicle powertrain comprises a synchronous generator (36) coupled to the torque distribution device (25) by means of an input tree of g an energer (38) and configured to control the induction motor (14) by regulating the output voltage of said induction motor and comprising an electronically controlled brake device (40) configured to control the frequency of the generator input shaft (38). 2. Groupe motopropulseur de véhicule hybride selon la revendication 1, dans lequel le dispositif de frein à commande électronique (40) est un frein à commande par courants de Foucault.The hybrid vehicle power train of claim 1, wherein the electronically controlled brake device (40) is an eddy current brake. 3. Groupe motopropulseur de véhicule hybride selon l’une quelconque des revendications précédentes, dans lequel le générateur synchrone (36) comprend un dispositif de régulation de tension électrique automatique.A hybrid vehicle power train as claimed in any one of the preceding claims, wherein the synchronous generator (36) comprises an automatic voltage regulator. 4. Groupe motopropulseur de véhicule hybride selon l’une quelconque des revendications précédentes, dans lequel la deuxième transmission comprend un mécanisme différentiel (30) placé entre le deuxième arbre d’entrée de couple (22) du moteur à induction (14) et un deuxième arbre de sortie de couple (32) qui entraîne le deuxième ensemble de roues (34).A hybrid vehicle power train according to any one of the preceding claims, wherein the second transmission comprises a differential mechanism (30) located between the second torque input shaft (22) of the induction motor (14) and a second torque output shaft (32) which drives the second set of wheels (34). 5. Groupe motopropulseur de véhicule hybride selon l’une quelconque des revendications 1 à 3, comprenant deux moteurs à induction individuels, configurés chacun pour entraîner l’une des roues du deuxième ensemble de roues (34).A hybrid vehicle power train according to any one of claims 1 to 3, comprising two individual induction motors, each configured to drive one of the wheels of the second set of wheels (34). 6. Groupe motopropulseur de véhicule hybride selon l’une quelconque des revendications précédentes, dans lequel le premier ensemble de roues (26) est l’ensemble des roues avant du véhicule hybride et le deuxième ensemble de roues (34) est l’ensemble des roues arrière du véhicule.A hybrid vehicle power train according to any one of the preceding claims, wherein the first set of wheels (26) is the set of front wheels of the hybrid vehicle and the second set of wheels (34) is the set of rear wheels of the vehicle.
FR1655745A 2016-06-21 2016-06-21 HYBRID VEHICLE POWER PACKAGE COMPRISING AN INDUCTION MOTOR Active FR3052711B1 (en)

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