FR3067664A1 - LOW VOLTAGE HYBRID TRACTION ARCHITECTURE FOR MOTOR VEHICLE - Google Patents

LOW VOLTAGE HYBRID TRACTION ARCHITECTURE FOR MOTOR VEHICLE Download PDF

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Publication number
FR3067664A1
FR3067664A1 FR1755459A FR1755459A FR3067664A1 FR 3067664 A1 FR3067664 A1 FR 3067664A1 FR 1755459 A FR1755459 A FR 1755459A FR 1755459 A FR1755459 A FR 1755459A FR 3067664 A1 FR3067664 A1 FR 3067664A1
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France
Prior art keywords
traction
traction architecture
gearbox
architecture
input shaft
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Granted
Application number
FR1755459A
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French (fr)
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FR3067664B1 (en
Inventor
Yejin Jin
Paul Armiroli
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Valeo Equipements Electriques Moteur SAS
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Valeo Equipements Electriques Moteur SAS
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Priority to FR1755459A priority Critical patent/FR3067664B1/en
Publication of FR3067664A1 publication Critical patent/FR3067664A1/en
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Publication of FR3067664B1 publication Critical patent/FR3067664B1/en
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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
    • B60K6/48—Parallel 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
    • 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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/442—Series-parallel switching 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
    • 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
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist 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
    • 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
    • B60K6/26—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 motors or the generators
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • 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
    • B60K6/48—Parallel type
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • B60K6/405—Housings
    • 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

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

Abstract

L'invention porte principalement sur une architecture de traction (10) pour véhicule automobile comportant: - un moteur thermique (13), - une boîte de vitesses (16) ayant un arbre d'entrée (16.1) et un arbre de sortie (16.2), - un premier embrayage (KO) interposé entre le moteur thermique (13) et l'arbre d'entrée (16.1) de la boîte de vitesses (16), - une machine électrique tournante (26) de type réversible, ladite machine électrique tournante (26) étant accouplée avec l'arbre d'entrée (16.1) de la boîte de vitesses (16), - la machine électrique tournante (21) étant connectée à un réseau électrique (30) présentant une tension de fonctionnement inférieure à 60Volts.The invention relates mainly to a traction architecture (10) for a motor vehicle comprising: - a heat engine (13), - a gearbox (16) having an input shaft (16.1) and an output shaft (16.2). ), - a first clutch (KO) interposed between the heat engine (13) and the input shaft (16.1) of the gearbox (16), - a reversible type rotating electric machine (26), said machine rotating electric motor (26) being coupled with the input shaft (16.1) of the gearbox (16), - the rotating electrical machine (21) being connected to an electrical network (30) having an operating voltage of less than 60Volts.

Description

ARCHITECTURE DE TRACTION HYBRIDE BASSE TENSION POUR VÉHICULE AUTOMOBILELOW VOLTAGE HYBRID TRACTION ARCHITECTURE FOR MOTOR VEHICLE

La présente invention porte sur une architecture de traction hybride basse tension pour véhicule automobile.The present invention relates to a low-voltage hybrid traction architecture for a motor vehicle.

De façon connue en soi, une chaîne de traction de véhicule automobile comporte un moteur thermique accouplé à une boîte de vitesses par l'intermédiaire d'un embrayage. La boîte de vitesses est reliée mécaniquement aux roues par l'intermédiaire d'un différentiel.In a manner known per se, a motor vehicle traction chain comprises a heat engine coupled to a gearbox by means of a clutch. The gearbox is mechanically connected to the wheels via a differential.

Une machine électrique réversible est accouplée au moteur thermique via la façade accessoires. Cette machine électrique, appelée communément alterno-démarreur, est apte à fonctionner dans un mode générateur pour recharger une batterie du véhicule ainsi que dans un mode moteur pour assurer un démarrage du moteur thermique. Cette machine électrique pourra également être utilisée pour fournir de l'énergie à la batterie lors d'une phase de freinage récupératif.A reversible electric machine is coupled to the heat engine via the accessories front. This electric machine, commonly called alternator-starter, is capable of operating in a generator mode for recharging a vehicle battery as well as in an engine mode for ensuring a starting of the thermal engine. This electric machine can also be used to supply energy to the battery during a regenerative braking phase.

II est connu également d'utiliser une autre machine électrique réversible accouplée à la boîte de vitesses. Cette machine électrique est apte à fonctionner en mode moteur pour assurer une traction du véhicule seule ou en combinaison avec le moteur thermique. Cette machine est également apte à fonctionner en mode générateur pour fournir de l'énergie à la batterie du véhicule.It is also known to use another reversible electric machine coupled to the gearbox. This electric machine is capable of operating in engine mode to provide traction for the vehicle alone or in combination with the heat engine. This machine is also able to operate in generator mode to supply energy to the vehicle battery.

Ces machines électriques sont généralement des machines de forte puissance, de l'ordre de 50kW, connectées sur un réseau électrique présentant une tension de fonctionnement de 300 Volts.These electrical machines are generally high-power machines, of the order of 50 kW, connected to an electrical network having an operating voltage of 300 volts.

II a été observé qu'avec ce type d'architecture les émissions de dioxyde de carbone et autres particules polluantes sont élevées sur les grandes distances de roulage. En effet, sur ces distances, les conditions de roulage sont telles que le véhicule fonctionne le plus souvent en mode thermique. Or, le poids des batteries alimentant le réseau haute tension étant important, le moteur thermique consomme beaucoup de carburant pour assurer seul la traction du véhicule, ce qui engendre une émission importante de dioxyde de carbone et autres particules polluantes.It has been observed that with this type of architecture, the emissions of carbon dioxide and other polluting particles are high over long driving distances. Indeed, over these distances, the driving conditions are such that the vehicle most often operates in thermal mode. However, the weight of the batteries supplying the high voltage network being significant, the heat engine consumes a lot of fuel to ensure only the traction of the vehicle, which generates a significant emission of carbon dioxide and other polluting particles.

En outre, malgré les formations techniques reçues par les opérateurs pour réparer des pannes électriques du véhicule, il existe un risque sécuritaire d'électrocution compte tenu des tensions élevées utilisées pour alimenter les machines électriques de traction.In addition, despite the technical training received by operators to repair electrical faults in the vehicle, there is a risk of electric shock due to the high voltages used to power electric traction machines.

La présente invention vise à remédier efficacement à ces inconvénients en proposant une architecture de traction pour véhicule automobile comportant:The present invention aims to effectively remedy these drawbacks by proposing a traction architecture for a motor vehicle comprising:

- un moteur thermique,- a heat engine,

- une boîte de vitesses ayant un arbre d'entrée et un arbre de sortie,- a gearbox having an input shaft and an output shaft,

- un premier embrayage interposé entre le moteur thermique et l'arbre d'entrée de la boîte de vitesses, caractérisée en ce que ladite architecture de traction comporte en outre une machine électrique tournante de type réversible, ladite machine électrique tournante étant accouplée avec l'arbre d'entrée de la boîte de vitesses,- A first clutch interposed between the engine and the input shaft of the gearbox, characterized in that said traction architecture further comprises a rotary electrical machine of reversible type, said rotary electrical machine being coupled with the gearbox input shaft,

- la machine électrique tournante étant connectée à un réseau électrique présentant une tension de fonctionnement inférieure à 60Volts.- the rotating electrical machine being connected to an electrical network having an operating voltage of less than 60Volts.

L'invention permet ainsi, grâce à l'utilisation d'un réseau électrique inférieur à 60 Volts, d'embarquer des batteries moins lourdes que sur un réseau haute tension classique, ce qui permet de minimiser les émissions de particules polluantes sur les grandes distances lorsque le véhicule fonctionne dans un mode de roulage thermique. L'invention permet en outre de réduire le coût de l'architecture de traction du fait de la taille réduite des machines électriques tournantes. L'invention permet en outre de supprimer le risque sécuritaire, dans la mesure où les tensions mises en œuvre ne sont pas susceptibles de causer une électrocution à l'opérateur intervenant sur le véhicule automobile.The invention thus makes it possible, thanks to the use of an electrical network less than 60 Volts, to carry on lighter batteries than on a conventional high voltage network, which makes it possible to minimize the emissions of polluting particles over long distances. when the vehicle is operating in a thermal driving mode. The invention also makes it possible to reduce the cost of the traction architecture due to the reduced size of the rotating electrical machines. The invention also makes it possible to eliminate the security risk, insofar as the voltages used are not likely to cause electrocution to the operator working on the motor vehicle.

Selon une réalisation, la tension de fonctionnement du réseau électrique est de 48 Volts.According to one embodiment, the operating voltage of the electrical network is 48 Volts.

Selon une réalisation, la machine électrique tournante est montée de façon coaxiale avec l'arbre d'entrée de la boîte de vitesses.According to one embodiment, the rotary electric machine is mounted coaxially with the input shaft of the gearbox.

Selon une réalisation, la machine électrique tournante est montée parallèlement à l'arbre d'entrée de la boîte de vitesses.According to one embodiment, the rotary electric machine is mounted parallel to the input shaft of the gearbox.

Selon une réalisation, la machine électrique tournante est reliée mécaniquement à l'arbre d'entrée par l'intermédiaire d'un dispositif de transmission de mouvement.According to one embodiment, the rotary electric machine is mechanically connected to the input shaft by means of a movement transmission device.

Selon une réalisation, ladite architecture de traction comporte un deuxième embrayage, la machine électrique tournante étant montée entre le premier embrayage et le deuxième embrayage.According to one embodiment, said traction architecture comprises a second clutch, the rotary electrical machine being mounted between the first clutch and the second clutch.

Selon une réalisation, la machine électrique tournante est montée à l'intérieur de la boîte de vitesses.According to one embodiment, the rotary electric machine is mounted inside the gearbox.

Selon une réalisation, la machine électrique tournante est reliée mécaniquement à un pignon interne de la boîte de vitesses par l'intermédiaire d'un système à chaîne ou à engrenage.According to one embodiment, the rotary electric machine is mechanically connected to an internal pinion of the gearbox by means of a chain or gear system.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction d'arrêt et de re-démarrage automatique du moteur thermique.According to one embodiment, said traction architecture is configured so as to be able to perform an automatic stop and restart function of the heat engine.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction permettant à l'une et/ou l'autre des machines électriques d'assister ponctuellement le moteur thermique lors d'une phase de roulage en mode thermique.According to one embodiment, said traction architecture is configured to be able to perform a function allowing one and / or the other of the electrical machines to punctually assist the heat engine during a rolling phase in thermal mode.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction de freinage récupératif permettant à l'une et/ou l'autre des machines électriques de fournir de l'énergie électrique à une batterie lors d'une phase de freinage.According to one embodiment, said traction architecture is configured to be able to perform a regenerative braking function allowing one and / or the other of the electrical machines to supply electrical energy to a battery during a braking phase.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction de roue libre permettant d'automatiser l'ouverture de la chaîne de traction sans action explicite du conducteur pour réduire le régime moteur ou l'arrêter afin de minimiser la consommation en carburant ainsi que les émissions polluantes.According to one embodiment, said traction architecture is configured to be able to perform a freewheeling function making it possible to automate the opening of the traction chain without any explicit action by the driver to reduce the engine speed or stop it in order to minimize the consumption in fuel as well as polluting emissions.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction de décollage électrique du véhicule.According to one embodiment, said traction architecture is configured to be able to perform an electrical takeoff function of the vehicle.

Selon une réalisation, ladite architecture de traction est configurée pour pouvoir réaliser une fonction de roulage électrique.According to one embodiment, said traction architecture is configured to be able to perform an electric driving function.

Selon une réalisation, la machine électrique tournante est une machine électrique synchrone à aimants permanents.According to one embodiment, the rotary electric machine is a synchronous electric machine with permanent magnets.

Selon une réalisation, l'architecture de traction comporte en outre une machine électrique tournante de type réversible accouplée avec le moteur thermique.According to one embodiment, the traction architecture further comprises a rotating electrical machine of the reversible type coupled with the heat engine.

L’invention sera mieux comprise à la lecture de la description qui suit et à l’examen des figures qui l’accompagnent. Ces figures ne sont données qu’à titre illustratif mais nullement limitatif de l’invention.The invention will be better understood on reading the description which follows and on examining the figures which accompany it. These figures are given only by way of illustration but in no way limit the invention.

Les figures 1a à 1c sont des représentations schématiques illustrant différents modes de réalisation d'une architecture de traction pour véhicule automobile selon la présente invention;FIGS. 1a to 1c are schematic representations illustrating different embodiments of a traction architecture for a motor vehicle according to the present invention;

La figure 2 est une représentation schématique des réseaux électriques interfacés mis en œuvre dans la présente invention;FIG. 2 is a schematic representation of the interfaced electrical networks used in the present invention;

La figure 3 est un tableau illustrant les différentes fonctions pouvant être mises en œuvre respectivement avec une architecture à alterno-démarreur seul et avec une architecture selon l'invention comprenant un alternodémarreur utilisé en combinaison avec une machine électrique accouplée sur l'arbre d'entrée de la boîte de vitesses.FIG. 3 is a table illustrating the different functions that can be implemented respectively with an architecture with a starter-only motor and with an architecture according to the invention comprising an alternator starter used in combination with an electric machine coupled to the input shaft of the gearbox.

Les éléments identiques, similaires, ou analogues, conservent la même référence d’une figure à l’autre.Identical, similar, or analogous elements retain the same reference from one figure to another.

Les figures 1a, 1b, et 1c, montrent une architecture de traction 10 pour véhicule automobile comportant une chaîne de traction 11 implantée sur le train avant 12 d'un véhicule automobile.FIGS. 1a, 1b, and 1c show a traction architecture 10 for a motor vehicle comprising a traction chain 11 installed on the front axle 12 of a motor vehicle.

Cette chaîne de traction 11 comporte un moteur thermique 13 et une boîte de vitesses 16 munie d'un arbre d'entrée 16.1 et d'un arbre de sortie 16.2 connecté aux roues par l'intermédiaire d'un différentiel 17.This traction chain 11 comprises a heat engine 13 and a gearbox 16 provided with an input shaft 16.1 and an output shaft 16.2 connected to the wheels by means of a differential 17.

Un embrayage KO est interposé entre le moteur thermique 13 et l'arbre d'entrée 16.1 de la boîte de vitesses 16.A clutch KO is interposed between the heat engine 13 and the input shaft 16.1 of the gearbox 16.

Une machine électrique tournante 21 de type réversible est accouplée au moteur thermique 13 via la façade accessoires. Le dispositif de transmission de mouvement 22 entre le moteur thermique 13 et la machine électrique 21 pourra par exemple comporter une courroie coopérant avec des poulies îo portées respectivement par le vilebrequin et l'arbre de la machine 21.A rotating electrical machine 21 of the reversible type is coupled to the heat engine 13 via the accessories front. The movement transmission device 22 between the heat engine 13 and the electric machine 21 may for example include a belt cooperating with pulleys carried respectively by the crankshaft and the machine shaft 21.

Cette machine électrique 21, appelée communément alterno-démarreur, est apte à fonctionner dans un mode générateur pour recharger une batterie 24 du véhicule ainsi que dans un mode moteur pour assurer un démarrage du moteur thermique 13 alors que le véhicule est à l'arrêt ou lors d'une transition d'un mode de roulage électrique vers un mode de roulage thermique. Cette machine électrique 21 pourra également être utilisée pour fournir de l'énergie à la batterie 24 lors d'une phase de freinage récupératif. La machine électrique 21 pourra être supprimée (cf. figure 1b) dans le cas où l'on fait appel à deux embrayages KO et K1.This electric machine 21, commonly called alternator-starter, is capable of operating in a generator mode for recharging a battery 24 of the vehicle as well as in an engine mode for ensuring a starting of the thermal engine 13 while the vehicle is stopped or during a transition from an electric driving mode to a thermal driving mode. This electric machine 21 can also be used to supply energy to the battery 24 during a regenerative braking phase. The electric machine 21 can be omitted (cf. FIG. 1b) in the case where two clutches KO and K1 are used.

En outre, une deuxième machine électrique tournante 26 de type réversible est accouplée avec l'arbre d'entrée 16.1 de la boîte de vitesses 16. La machine électrique 26 est apte à fonctionner dans un mode générateur lors d'une phase de freinage récupératif pour recharger la batterie 24 ainsi que dans un mode moteur pour assurer un roulage électrique du véhicule.In addition, a second rotary electrical machine 26 of reversible type is coupled with the input shaft 16.1 of the gearbox 16. The electrical machine 26 is capable of operating in a generator mode during a regenerative braking phase for recharge the battery 24 as well as in an engine mode to ensure the electric running of the vehicle.

La machine électrique 26 est associée à un onduleur qui pourra être fixé à l'arrière de la machine 26 ou être séparé de la machine 26. Le circuit de refroidissement de l'onduleur et des machines électriques 21, 26 pourra être à base d'eau ou d'huile.The electric machine 26 is associated with an inverter which can be fixed to the rear of the machine 26 or can be separated from the machine 26. The cooling circuit of the inverter and the electric machines 21, 26 can be based on water or oil.

Dans le mode de réalisation de la figure 1a, la machine électrique 26 est montée de façon coaxiale avec l'arbre d'entrée 16.1 de la boîte de vitessesIn the embodiment of Figure 1a, the electric machine 26 is mounted coaxially with the input shaft 16.1 of the gearbox

16. La machine électrique 26 présente alors la même vitesse de rotation que celle du moteur thermique 13.16. The electric machine 26 then has the same speed of rotation as that of the heat engine 13.

Dans le mode de réalisation de la figure 1b, la machine électrique 26 est montée parallèlement à l'arbre d'entrée 16.1 de la boîte de vitesses 16. A cet effet, la machine électrique 26 est reliée mécaniquement à l'arbre d'entrée 16.1 par l'intermédiaire d'un dispositif de transmission de mouvement 27, par exemple à engrenages ou à chaîne ou par courroie. La machine électrique 26 présente alors une vitesse qui est proportionnelle à celle du moteur thermique 13 suivant un rapport de démultiplication.In the embodiment of Figure 1b, the electric machine 26 is mounted parallel to the input shaft 16.1 of the gearbox 16. For this purpose, the electric machine 26 is mechanically connected to the input shaft 16.1 by means of a movement transmission device 27, for example with gears or with a chain or with a belt. The electric machine 26 then has a speed which is proportional to that of the heat engine 13 in a gear ratio.

îo Dans ces deux modes de réalisation, on fait appel à un deuxième embrayage K1. La machine électrique 26 est montée entre le premier embrayage KO et le deuxième embrayage K1.îo In these two embodiments, use is made of a second clutch K1. The electric machine 26 is mounted between the first clutch KO and the second clutch K1.

Ainsi, dans un mode de fonctionnement électrique, l'embrayage KO est ouvert tandis que K1 est fermé. Dans un mode de fonctionnement thermique, les deux embrayages KO et K1 sont fermés.Thus, in an electrical operating mode, the clutch KO is open while K1 is closed. In a thermal operating mode, the two clutches KO and K1 are closed.

Lors d'une transition du mode de fonctionnement électrique au mode de fonctionnement thermique, l'embrayage K1 est ouvert le temps que l'embrayage KO se ferme lors du démarrage du moteur thermique 13 assuré par l'alterno-démarreur 21, puis l'embrayage K1 est de nouveau fermé.During a transition from the electrical operating mode to the thermal operating mode, the clutch K1 is open while the clutch KO closes during the start of the thermal engine 13 provided by the alternator-starter 21, then the clutch K1 is closed again.

Alternativement, les deux embrayages KO, K1 sont mis en glissement le temps du démarrage du moteur thermique 13. Les embrayages KO et K1 peuvent alors être à moitié fermé, et le moteur monte en régime pour démarrer le moteur.Alternatively, the two clutches KO, K1 are slid during the start-up time of the heat engine 13. The clutches KO and K1 can then be half closed, and the engine rises to start the engine.

Dans le mode de réalisation de la figure 1c, la machine électrique 26 est montée à l'intérieur de la boîte de vitesses 16. La machine électrique 26 est reliée mécaniquement à un pignon interne de la boîte de vitesses 16 par l'intermédiaire d'un système à chaîne ou à engrenages 28. Dans ce cas, l'embrayage K1 est supprimé.In the embodiment of FIG. 1c, the electric machine 26 is mounted inside the gearbox 16. The electric machine 26 is mechanically connected to an internal pinion of the gearbox 16 by means of a chain or gear system 28. In this case, the clutch K1 is eliminated.

Comme on peut le voir sur la figure 2, les deux machines électriques 21, 26 sont connectées à un premier réseau électrique 30 sur lequel est également branchée la batterie 24. Ce réseau électrique 30 présente une tension deAs can be seen in FIG. 2, the two electrical machines 21, 26 are connected to a first electrical network 30 to which the battery 24 is also connected. This electrical network 30 has a voltage of

Ί fonctionnement inférieure à 60 Volts. Avantageusement, la tension de fonctionnement du réseau électrique 30 est de 48 Volts. D'autres charges électriques 31 pourront également être connectées sur le réseau électriqueΊ operation below 60 Volts. Advantageously, the operating voltage of the electrical network 30 is 48 Volts. Other electrical charges 31 may also be connected to the electrical network

30.30.

Chaque machine électrique 21,26 pourra présenter une puissance comprise entre 15kW et 25 kW et fournir un couple compris entre 55Nm et 100Nm en fonction de sa longueur. Les machines électriques 21, 26 pourront par exemple être des machines de type synchrone à aimants permanents.Each electric machine 21,26 can have a power between 15 kW and 25 kW and provide a torque between 55Nm and 100Nm depending on its length. The electric machines 21, 26 could for example be machines of the synchronous type with permanent magnets.

Le réseau électrique 30 est interfacé avec un deuxième réseau électrique 34 îo basse tension par l'intermédiaire d'un convertisseur continu/continu 35. Un démarreur 36 assurant les démarrages à froid du moteur thermique 13, ainsi que des consommateurs électriques 37 du véhicule de type éclairage, actionneurs de vitres ou de sièges, et contrôle moteur, sont connectés au réseau électrique 34. Ce réseau électrique 34 associé à une batterie 40 présente une tension de fonctionnement inférieure à celle du premier réseau électrique 30. La tension de fonctionnement du réseau électrique 34 est de préférence de l'ordre de 12 Volts. Suivant certaines configurations, il est possible de supprimer la présence du démarreur 36.The electrical network 30 is interfaced with a second low voltage electrical network 34 via a DC / DC converter 35. A starter 36 ensuring the cold starts of the heat engine 13, as well as electrical consumers 37 of the vehicle. lighting type, window or seat actuators, and engine control, are connected to the electrical network 34. This electrical network 34 associated with a battery 40 has an operating voltage lower than that of the first electrical network 30. The operating voltage of the network electric 34 is preferably of the order of 12 volts. According to certain configurations, it is possible to remove the presence of starter 36.

Dans un mode de réalisation particulier, il sera possible d'implanter l'onduleur de la machine électrique 26 ainsi que le convertisseur 35 à l'intérieur d'un même boîtier.In a particular embodiment, it will be possible to install the inverter of the electric machine 26 as well as the converter 35 inside the same housing.

Comme cela est illustré par la figure 3, une telle architecture 10 permet, grâce à la première machine électrique 21, d'assurer une fonction d'arrêt et de redémarrage automatique du moteur thermique 13 en fonction des conditions de circulation (fonction dite STT pour stop and start en anglais).As illustrated by FIG. 3, such an architecture 10 makes it possible, thanks to the first electric machine 21, to provide an automatic stop and restart function for the heat engine 13 as a function of traffic conditions (so-called STT function for stop and start in English).

Une fonction dite boost en anglais permet à l'une et/ou l'autre des machines électriques 21, 26 d'assister ponctuellement le moteur thermique 13 lors d'une phase de roulage en mode thermique.A function called boost in English allows one and / or the other of the electric machines 21, 26 to punctually assist the heat engine 13 during a rolling phase in thermal mode.

Une fonction de freinage récupératif permet à l'une et/ou l'autre des machines électriques 21,26 de fournir de l'énergie électrique à la batterie 24 lors d'une phase de freinage. L'utilisation simultanée des deux machines électriques 21,26 permet de maximiser l'énergie récupérée par la batterie 24 lors du freinage.A regenerative braking function allows one and / or the other of the electric machines 21, 26 to supply electrical energy to the battery 24 during a braking phase. The simultaneous use of the two electric machines 21, 26 makes it possible to maximize the energy recovered by the battery 24 during braking.

Une fonction de roue libre, dite de coasting en anglais, permet d'automatiser l'ouverture de la chaîne de traction 11 sans action explicite du conducteur pour réduire le régime moteur ou l'arrêter afin de minimiser la consommation en carburant ainsi que les émissions polluantes. S'il a été arrêté, la machine électrique 21 ou la machine 26 ou le démarreur pourra assurer le re-démarrage du moteur thermique 13.A freewheeling function, called coasting in English, makes it possible to automate the opening of the traction chain 11 without any explicit action by the driver to reduce the engine speed or stop it in order to minimize fuel consumption as well as emissions polluting. If it has been stopped, the electric machine 21 or the machine 26 or the starter can restart the heat engine 13.

En outre, par rapport à un alterno-démarreur 21 seul, l'architecture 10 permet îo de disposer d'un couple électrique à l'arrêt du véhicule pour assurer notamment un décollage du véhicule (fonction dite de take off en anglais).In addition, with respect to an alternator-starter 21 alone, the architecture 10 makes it possible to have an electrical torque when the vehicle is stopped to ensure in particular take-off of the vehicle (so-called take off function).

La machine électrique 26 permet également d'assurer un roulage électrique pur. Le roulage électrique pourra être sollicité juste après une sortie de phase de roulage en roue libre. Dans certaines situations de vie dans lesquelles la batterie 24 est vide, la machine électrique 21 pourra fournir directement une énergie électrique à la machine électrique 26 pour assurer une traction du véhicule.The electric machine 26 also makes it possible to ensure pure electric driving. The electric drive may be requested just after a freewheeling phase exit. In certain life situations in which the battery 24 is empty, the electric machine 21 can directly supply electric energy to the electric machine 26 to ensure traction of the vehicle.

Grâce au roulage électrique pur, à la fonction de freinage récupératif par les deux machines électriques 21, 26, ainsi qu'au poids réduit des batteries utilisées 24, 40, l'invention permet un gain en carburant de l'ordre de 20% lors des roulages sur de longues distances.Thanks to the pure electric driving, to the regenerative braking function by the two electric machines 21, 26, as well as to the reduced weight of the batteries used 24, 40, the invention allows a gain in fuel of the order of 20% during taxiing over long distances.

Lors de la transition du mode de roulage électrique vers le mode de roulage thermique, l'énergie de la batterie 24 est utilisée afin de démarrer le moteur thermique 13 à l'aide de la machine 21. Il sera possible de contrôler un niveau de charge suffisant de la batterie 24 permettant le démarrage du moteur thermique 13. Si ce n'est pas le cas, le calculateur moteur pourra commander l'arrêt du mode de roulage électrique afin de disposer d'un niveau d'énergie minimum. Le convertisseur 35 pourra également être utilisé pour transférer de l'énergie depuis la batterie 12 Volts vers la batterie 48During the transition from electric driving mode to thermal driving mode, the energy of the battery 24 is used in order to start the heat engine 13 using the machine 21. It will be possible to control a charge level sufficient battery 24 allowing the engine 13 to start. If this is not the case, the engine control unit can order the stopping of the electric driving mode in order to have a minimum energy level. The converter 35 can also be used to transfer energy from the 12 Volt battery to the battery 48

Volts afin de garantir le démarrage du moteur thermique 13 par la machine électrique 21.Volts to guarantee the starting of the heat engine 13 by the electric machine 21.

Bien entendu, la description qui précède a été donnée à titre d'exemple uniquement et ne limite pas le domaine de l'invention dont on ne sortirait pas en remplaçant les différents éléments par tous autres équivalents.Of course, the foregoing description has been given by way of example only and does not limit the scope of the invention from which one would not depart by replacing the various elements with any other equivalent.

En outre, les différentes caractéristiques, variantes, et/ou formes de 5 réalisation de la présente invention peuvent être associées les unes avec les autres selon diverses combinaisons, dans la mesure où elles ne sont pas incompatibles ou exclusives les unes des autres.Furthermore, the various features, variations, and / or embodiments of the present invention can be combined with one another in various combinations, insofar as they are not incompatible or mutually exclusive of each other.

Claims (15)

REVENDICATIONS 1. Architecture de traction (10) pour véhicule automobile comportant:1. Traction architecture (10) for a motor vehicle comprising: - un moteur thermique (13),- a heat engine (13), - une boîte de vitesses (16) ayant un arbre d'entrée (16.1) et un arbre de sortie (16.2),- a gearbox (16) having an input shaft (16.1) and an output shaft (16.2), - un premier embrayage (KO) interposé entre le moteur thermique (13) et l'arbre d'entrée (16.1) de la boîte de vitesses (16), caractérisée en ce que ladite architecture de traction (10) comporte en outre une machine électrique tournante (26) de type réversible, ladite machine électrique tournante (26) étant accouplée avec l'arbre d'entrée (16.1 ) de la boîte de vitesses (16),- a first clutch (KO) interposed between the heat engine (13) and the input shaft (16.1) of the gearbox (16), characterized in that said traction architecture (10) further comprises a machine rotary electric motor (26) of reversible type, said rotary electric machine (26) being coupled with the input shaft (16.1) of the gearbox (16), - la machine électrique tournante (21) étant connectée à un réseau électrique (30) présentant une tension de fonctionnement inférieure à 60Volts.- the rotary electrical machine (21) being connected to an electrical network (30) having an operating voltage of less than 60Volts. 2. Architecture de traction (10) selon la revendication 1, caractérisée en ce que la tension de fonctionnement du réseau électrique (30) est de 48Volts.2. Traction architecture (10) according to claim 1, characterized in that the operating voltage of the electrical network (30) is 48Volts. 3. Architecture de traction (10) selon la revendication 1 ou 2, caractérisée en ce que la machine électrique tournante (26) est montée de façon coaxiale avec l'arbre d'entrée (16.1) de la boîte de vitesses (16).3. Traction architecture (10) according to claim 1 or 2, characterized in that the rotary electrical machine (26) is mounted coaxially with the input shaft (16.1) of the gearbox (16). 4. Architecture de traction (10) selon la revendication 1 ou 2, caractérisée en ce que la machine électrique tournante (26) est montée parallèlement à l'arbre d'entrée (16.1) de la boîte de vitesses (16).4. Traction architecture (10) according to claim 1 or 2, characterized in that the rotary electrical machine (26) is mounted parallel to the input shaft (16.1) of the gearbox (16). 5. Architecture de traction (10) selon la revendication 4, caractérisée en ce que la machine électrique tournante (26) est reliée mécaniquement à l'arbre d'entrée (16.1) par l'intermédiaire d'un dispositif de transmission de mouvement (27).5. Traction architecture (10) according to claim 4, characterized in that the rotary electrical machine (26) is mechanically connected to the input shaft (16.1) via a movement transmission device ( 27). 6. Architecture de traction (10) selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu’elle comporte un deuxième embrayage (K1), la machine électrique tournante (26) étant montée entre le premier embrayage (KO) et le deuxième embrayage (K1).6. Traction architecture (10) according to any one of claims 1 to 5, characterized in that it comprises a second clutch (K1), the rotary electric machine (26) being mounted between the first clutch (KO) and the second clutch (K1). 7. Architecture de traction (10) selon la revendication 1 ou 2, caractérisée en ce que la machine électrique tournante (26) est montée à l'intérieur de la boîte de vitesses (16).7. Traction architecture (10) according to claim 1 or 2, characterized in that the rotary electric machine (26) is mounted inside the gearbox (16). 8. Architecture de traction (10) selon la revendication 7, caractérisée 5 en ce que la machine électrique tournante (26) est reliée mécaniquement à un pignon interne de la boîte de vitesses par l'intermédiaire d'un système à chaîne ou à engrenage (28).8. Traction architecture (10) according to claim 7, characterized in that the rotary electrical machine (26) is mechanically connected to an internal pinion of the gearbox via a chain or gear system. (28). 9. Architecture de traction (10) selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle est configurée pour pouvoir îo réaliser une fonction d'arrêt et de re-démarrage automatique du moteur thermique (13).9. Traction architecture (10) according to any one of claims 1 to 8, characterized in that it is configured to be able to achieve an automatic stop and restart function of the heat engine (13). 10. Architecture de traction (10) selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'elle est configurée pour pouvoir réaliser une fonction permettant à l'une et/ou l'autre des machines10. Traction architecture (10) according to any one of claims 1 to 9, characterized in that it is configured to be able to perform a function allowing one and / or the other of the machines 15 électriques (21, 26) d'assister ponctuellement le moteur thermique (13) lors d'une phase de roulage en mode thermique.15 electrics (21, 26) punctually assist the heat engine (13) during a rolling phase in thermal mode. 11. Architecture de traction (10) selon l'une quelconque des revendications 1 à 10, caractérisée en ce qu'elle est configurée pour pouvoir réaliser une fonction de freinage récupératif permettant à l'une et/ou l'autre11. Traction architecture (10) according to any one of claims 1 to 10, characterized in that it is configured to be able to perform a regenerative braking function allowing one and / or the other 20 des machines électriques (21, 26) de fournir de l'énergie électrique à une batterie (24) lors d'une phase de freinage.20 electric machines (21, 26) supplying electrical energy to a battery (24) during a braking phase. 12. Architecture de traction (10) selon l'une quelconque des revendications 1 à 11, caractérisée en ce qu'elle est configurée pour pouvoir réaliser une fonction de roue libre permettant d'automatiser l'ouverture de la12. Traction architecture (10) according to any one of claims 1 to 11, characterized in that it is configured to be able to perform a freewheeling function making it possible to automate the opening of the 25 chaîne de traction (11) sans action explicite du conducteur pour réduire le régime moteur ou l'arrêter afin de minimiser la consommation en carburant ainsi que les émissions polluantes.25 traction chain (11) without explicit action by the driver to reduce the engine speed or stop it in order to minimize fuel consumption and polluting emissions. 13. Architecture de traction (10) selon l'une quelconque des revendications 1 à 12, caractérisée en ce qu'elle est configurée pour pouvoir13. Traction architecture (10) according to any one of claims 1 to 12, characterized in that it is configured to be able 30 réaliser une fonction de décollage électrique du véhicule.30 perform an electrical takeoff function of the vehicle. 14. Architecture de traction (10) selon l'une quelconque des revendications 1 à 13, caractérisée en ce qu'elle est configurée pour pouvoir réaliser une fonction de roulage électrique.14. Traction architecture (10) according to any one of claims 1 to 13, characterized in that it is configured to be able to perform an electric rolling function. 15. Architecture de traction (10) selon l'une quelconque des revendications 1 à 14, caractérisée en ce qu'elle comporte en outre une15. Traction architecture (10) according to any one of claims 1 to 14, characterized in that it further comprises a 5 machine électrique tournante (26) accouplée avec le moteur thermique (13).5 rotary electrical machine (26) coupled with the heat engine (13).
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