CN113525060A - Hybrid vehicle - Google Patents

Hybrid vehicle Download PDF

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Publication number
CN113525060A
CN113525060A CN202110899543.1A CN202110899543A CN113525060A CN 113525060 A CN113525060 A CN 113525060A CN 202110899543 A CN202110899543 A CN 202110899543A CN 113525060 A CN113525060 A CN 113525060A
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CN
China
Prior art keywords
gear
shaft
axle
assembly
bevel gear
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Pending
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CN202110899543.1A
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Chinese (zh)
Inventor
不公告发明人
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Lin Zhuangzhuang
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Lin Zhuangzhuang
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Application filed by Lin Zhuangzhuang filed Critical Lin Zhuangzhuang
Priority to CN202110899543.1A priority Critical patent/CN113525060A/en
Publication of CN113525060A publication Critical patent/CN113525060A/en
Pending legal-status Critical Current

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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
    • B60K6/22—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
    • B60K6/24—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 combustion engines
    • 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
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical 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
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • 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
    • 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
    • B60K6/22—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
    • 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
    • B60K6/54—Transmission for changing ratio
    • 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)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

The present invention relates to a hybrid vehicle comprising a powertrain, a front axle assembly and a rear axle assembly, wherein the powertrain is drivingly connected to the front axle assembly and/or the rear axle assembly for driving the front axle assembly and/or the rear axle assembly. According to the hybrid vehicle of the present invention, it is possible to significantly improve the power performance and off-road performance of the hybrid vehicle while improving the arrangement space for the battery.

Description

Hybrid vehicle
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a hybrid vehicle.
Background
Hybrid vehicles generally require a large battery arrangement space, resulting in a compression of an arrangement space for arranging an engine or a transmission in the vehicle. Furthermore, different vehicle types may have different battery arrangement positions, and therefore, different power train arrangements are often required for different vehicle types.
Disclosure of Invention
The invention aims to provide a hybrid vehicle.
The method is realized by the following technical means:
a hybrid vehicle comprises a powertrain, a front axle assembly and a rear axle assembly, wherein the powertrain is drivingly connected to the front and/or rear axle assembly to drive the front and/or rear axle assembly.
The powertrain includes an engine, a first clutch, a first electric machine, a second clutch, and a transmission.
Wherein the first clutch is disposed between the engine and the first electric machine to selectively drivingly connect the engine to the first electric machine to selectively transmit the driving force of the engine to the first electric machine, and the second clutch is disposed between the first electric machine and the transmission to selectively drivingly connect the first electric machine to the transmission so that the transmission can receive the driving force from the engine and/or the first electric machine and transmit the driving force to a front axle assembly and/or a rear axle assembly through a transmission output shaft.
The front axle assembly is drivingly connected to the transmission output shaft and includes a front axle differential and wheels.
Wherein the front axle differential is drivingly connected to the transmission output shaft of the transmission, and the wheels are disposed on both sides of and drivingly connected to the front axle differential to receive drive power from the engine and/or the first electric machine.
The rear axle assembly is drivingly connected to the transmission output shaft and includes a rear axle first half shaft, a second electric motor, a first planetary gear assembly, a fourth bevel gear, a rear axle differential, a second planetary gear assembly, a third electric motor, and a rear axle second half shaft.
Wherein the rear differential is disposed between the rear first axle half shaft and the rear second axle half shaft, the rear differential being drivingly connected to the transmission output shaft through the fourth bevel gear, and the rear differential being further drivingly connected to the rear first axle half shaft and the rear second axle half shaft to transfer drive force received by the rear differential from the transmission output shaft to the rear first axle half shaft and the rear second axle half shaft, respectively.
Wherein said second motor is drivingly connected to said first planetary gear assembly for transmitting drive to said first planetary gear assembly, said first planetary gear assembly is also drivingly connected to said rear axle first half shaft such that said rear axle first half shaft is capable of receiving drive from said second motor, said third motor is drivingly connected to said second planetary gear assembly for transmitting drive to said second planetary gear assembly, said second planetary gear assembly is also drivingly connected to said rear axle second half shaft such that said rear axle second half shaft is capable of receiving drive from said third motor.
Wherein the first planetary gear assembly includes a first carrier fixedly connected to the rear axle first half shaft and rotatably supporting the first planetary gear, a first sun gear externally meshed with the first planetary gear and disposed within the first ring gear, a first ring gear internally meshed with the first planetary gear, and an output shaft of the second motor is drivingly connected to the first sun gear.
Wherein the second planetary gear assembly includes a second sun gear, a second planet gear, a second ring gear, and a second planet carrier fixedly connected to the rear axle second axle shaft and rotatably supporting the second planet gear, the second sun gear is in external engagement with the second planet gear and disposed within the second ring gear, the second ring gear is in internal engagement with the second planet gear, and an output shaft of the third electric machine is drivingly connected to the second sun gear.
The invention has the following effects:
the hybrid vehicle according to the invention can realize two powertrain arrangements, the first being an engine transverse arrangement and the second being an engine longitudinal arrangement. Through the two arrangement modes, the hybrid power vehicle with the battery arrangement position can be widely applied to the hybrid power vehicle with the battery arrangement position, and therefore the applicability is improved.
2, the hybrid power assembly according to the invention can realize hybrid driving of the engine and the first motor, and can realize four-wheel driving by utilizing the front axle differential and the rear axle differential, thereby improving the off-road performance and the timely response capability of the vehicle. Further, the structure of the transmission system can be simplified and the arrangement space for the battery can be increased by simply making the rear axle differential receive the driving force of the engine and/or the first electric motor by using the bevel gear integrated on the front axle differential.
And 3, the second motor and the third motor are respectively arranged on two sides of the rear axle differential mechanism, so that wheels on two sides of the rear axle differential mechanism can be respectively driven, and the off-road performance of the vehicle is further improved. When the front wheel or the rear wheel of the vehicle sinks into the hollow area, one or both of the third motor and the fourth motor can be used for driving, so that the power performance of the vehicle is further improved.
Drawings
Fig. 1 is a schematic diagram of the structure of a hybrid vehicle according to the present invention.
Fig. 2 is a schematic view of a rear axle assembly of a hybrid vehicle according to the present invention.
Fig. 3 is a schematic view of another structure of the hybrid vehicle according to the present invention.
Wherein: 10-engine, 11-first clutch, 12-first electric machine, 13-second clutch, 14-transmission, 15-main reducing driving gear, 16-main reducing driven gear, 17-front axle differential, 18-wheel, 19-first bevel gear, 20-second bevel gear, 21-third clutch, 22-third bevel gear, 23-transfer case, 24-front axle drive shaft, 25-fifth bevel gear, 26-sixth bevel gear, 30-rear axle assembly, 301-rear axle first half shaft, 302-first planet carrier, 303-first planet gear, 304-first big ring gear, 305-first sun gear, 306-second electric machine, 307-fourth bevel gear, 308-rear axle differential, 309-third electric machine, 310-second sun gear, 311-second planet gear, 312-second ring gear, 313-second planet carrier, 314-rear axle second half shaft.
Detailed Description
The present invention provides a hybrid vehicle, and a hybrid vehicle according to the present invention will be described in detail below with reference to fig. 1 to 3.
The hybrid vehicle according to the invention includes a powertrain, a front axle assembly, and a rear axle assembly 30. The powertrain is drivingly connected to the front and/or rear axle assembly 30 to drive the front and/or rear axle assembly 30.
The powertrain may include an engine 10, a first clutch 11, a first electric machine 12, a second clutch 13, and a transmission 14. Both the engine 10 and the first motor 12 can serve as drive sources to provide driving force for the hybrid vehicle.
The first clutch 11 is provided between the engine 10 and the first electric machine 12 to selectively drivingly connect the engine 10 to the first electric machine 12, thereby selectively transmitting the driving force of the engine 10 to the first electric machine 12. For example, when the first clutch 11 is engaged, the engine 10 and the first electric machine 12 may be connected together so that the first electric machine 12 may receive power from the engine 10, and when the first clutch 11 is disengaged, the engine 10 and the first electric machine 12 may be separated so that they may operate independently of each other.
The second clutch 13 is disposed between the first electric machine 12 and the transmission 14 to selectively drivingly connect the first electric machine 12 to the transmission 14 such that the transmission 14 is capable of receiving drive from the engine 10 and/or the first electric machine 12 and transmitting drive to the front and/or rear axle assemblies via the transmission output shaft. For example, when the second clutch 13 is engaged, the transmission 14 and the first electric machine 12 may be connected together so that the transmission 14 may receive power from the first electric machine 12, and when the second clutch 13 is disengaged, the transmission 14 and the first electric machine 12 may be separated so that the transmission 14 cannot receive power from the engine or the first electric machine, at which time the hybrid vehicle may be in a stopped state.
The front axle assembly is drivingly connected to the transmission output shaft and includes a front axle differential 17 and wheels 18.
A front differential 17 is drivingly connected to a transmission output shaft of the transmission 14, and wheels 18 are provided on both sides of the front differential 17 and drivingly connected to the front differential 17 to receive drive power from the engine 10 and/or the first electric machine 12.
The rear axle assembly 30 is drivingly connected to the transmission output shaft and includes a rear axle first half-shaft 301, a second electric motor 306, a first planetary gear assembly, a fourth bevel gear 307, a rear axle differential 308, a second planetary gear assembly, a third electric motor 309, and a rear axle second half-shaft 314.
A rear differential 308 is disposed between the rear first axle shaft 301 and the rear second axle shaft 314, the rear differential 308 being drivingly connected to the transmission output shaft via a fourth bevel gear 307, and the rear differential 308 also being drivingly connected to the rear first axle shaft 301 and the rear second axle shaft 314 to transfer drive force received by the rear differential 308 from the transmission output shaft to the rear first axle shaft 301 and the rear second axle shaft 314, respectively.
The second motor 306 is drivingly connected to the first planetary gear assembly to transmit drive to the first planetary gear assembly, the first planetary gear assembly is also drivingly connected to the rear axle first half-shaft 301 such that the rear axle first half-shaft 301 can receive drive from the second motor 306, the third motor 309 is drivingly connected to the second planetary gear assembly to transmit drive to the second planetary gear assembly, the second planetary gear assembly is also drivingly connected to the rear axle second half-shaft 314 such that the rear axle second half-shaft 314 can receive drive from the third motor 309.
The first planetary gear assembly includes a first carrier 302, first planetary gears 303, a first ring gear 304, and a first sun gear 305, the first carrier 302 is fixedly connected to the rear axle first half shaft 301 and rotatably supports the first planetary gears 303, the first sun gear 305 is externally meshed with the first planetary gears 303 and disposed inside the first ring gear 304, the first ring gear 304 is internally meshed with the first planetary gears 303, and an output shaft of the second motor 306 is drivingly connected to the first sun gear 305.
The second epicyclic gear assembly comprises a second sun gear 310, a second planet gear 311, a second ring gear 312 and a second planet carrier 313, the second planet carrier 313 being fixedly connected to the rear axle second half shaft 314 and rotatably supporting the second planet gear 311, the second sun gear 310 being in external engagement with the second planet gear 311 and being disposed within the second ring gear 312, the second ring gear 312 being in internal engagement with the second planet gear 311, the output shaft of the third electrical machine 309 being drivingly connected to the second sun gear 310.
Referring to fig. 1, the front axle assembly may further include a driving reduction gear 15, a driving reduction driven gear 16, a first bevel gear 19, a second bevel gear 20, a third clutch 21, and a third bevel gear 22.
The drive reduction driving gear 15 is drivingly connected to a transmission output shaft, and is in meshed connection with a drive reduction driven gear 16, and the drive reduction driven gear 16 is fixedly connected to a front differential 17 to transmit a driving force received from the drive reduction driving gear 15 to the front differential 17.
The front axle differential 17 is also fixedly provided with a first bevel gear 19, a second bevel gear 20 is in meshing connection with the first bevel gear 19, a third bevel gear 22 is selectively coupled to the second bevel gear 20 through a third clutch 21, and the third bevel gear 22 is in meshing connection with a fourth bevel gear 307. For example, the third bevel gear 22 may be connected to the second bevel gear 20 when the third clutch 21 is engaged, and the third bevel gear 22 may be disconnected from the second bevel gear 20 when the third clutch 21 is disengaged.
In this embodiment, the engine 10 is disposed laterally and in parallel with the first electric machine 12 and the transmission 14 at the front end of the front axle differential 17.
Referring to fig. 3, the front axle assembly may further include a third clutch 21, a third bevel gear 22, a transfer case 23, a front axle drive shaft 24, a fifth bevel gear 25, and a sixth bevel gear 26.
The third bevel gear 22 is in meshing engagement with the fourth bevel gear 307, and the third clutch 21 is disposed between the third bevel gear 22 and the transmission output shaft, one end of the transfer case 23 is fixedly connected to the transmission output shaft, and the other end of the transfer case 23 is fixedly connected to the front axle propeller shaft 24, and the front axle propeller shaft 24 is drivingly connected to the front differential 17 through the fifth bevel gear 25 and the sixth bevel gear 26 that are in meshing engagement with each other.
For example, when the third clutch 21 is engaged, the third bevel gear 22 may be connected to the transmission output shaft, and when the third clutch 21 is disengaged, the third bevel gear 22 may be disconnected from the transmission output shaft.
In this example, the engine 10 may be disposed longitudinally and in parallel with the first electric machine 12 and the transmission 14 between the front and rear axle assemblies.

Claims (6)

1. A hybrid vehicle, characterized in that the hybrid vehicle comprises a powertrain, a front axle assembly and a rear axle assembly (30), wherein the powertrain is drivingly connected to the front and/or rear axle assembly (30) to drive the front and/or rear axle assembly (30),
the power assembly comprises an engine (10), a first clutch (11), a first motor (12), a second clutch (13) and a transmission (14),
wherein the first clutch (11) is provided between the engine (10) and the first electric machine (12) to selectively drivingly connect the engine (10) to the first electric machine (12) to selectively transmit the driving force of the engine (10) to the first electric machine (12), and the second clutch (13) is provided between the first electric machine (12) and the transmission (14) to selectively drivingly connect the first electric machine (12) to the transmission (14), so that the transmission (14) can receive the driving force from the engine (10) and/or the first electric machine (12) and transmit the driving force to a front axle assembly and/or a rear axle assembly through a transmission output shaft;
the front axle assembly is drivingly connected to the transmission output shaft and comprises a front axle differential (17) and wheels (18),
wherein the front axle differential (17) is drivingly connected to the transmission output shaft of the transmission (14), and the wheels (18) are disposed on both sides of the front axle differential (17) and drivingly connected to the front axle differential (17) to receive driving force from the engine (10) and/or the first electric machine (12);
the rear axle assembly (30) is drivingly connected to the transmission output shaft and comprises a rear axle first half-shaft (301), a second electric motor (306), a first planetary gear assembly, a fourth bevel gear (307), a rear axle differential (308), a second planetary gear assembly, a third electric motor (309) and a rear axle second half-shaft (314);
wherein the rear differential (308) is disposed between the rear first axle shaft (301) and the rear second axle shaft (314), the rear differential (308) being drivingly connected to the transmission output shaft by the fourth bevel gear (307), and the rear differential (308) being further drivingly connected to the rear first axle shaft (301) and the rear second axle shaft (314) for transmitting drive force received by the rear differential (308) from the transmission output shaft to the rear first axle shaft (301) and the rear second axle shaft (314), respectively.
2. A hybrid vehicle according to claim 1, characterized in that the second electric machine (306) is drivingly connected to the first planetary gear assembly for transmitting driving force to the first planetary gear assembly, the first planetary gear assembly being further drivingly connected to the rear axle first half-shaft (301) such that the rear axle first half-shaft (301) is able to receive driving force from the second electric machine (306), the third electric machine (309) being drivingly connected to the second planetary gear assembly for transmitting driving force to the second planetary gear assembly, the second planetary gear assembly being further drivingly connected to the rear axle second half-shaft (314) such that the rear axle second half-shaft (314) is able to receive driving force from the third electric machine (309),
wherein the first planetary gear assembly comprises a first planet carrier (302), a first planet gear (303), a first ring gear (304) and a first sun gear (305), the first planet carrier (302) being fixedly connected to the rear axle first half shaft (301) and rotatably supporting the first planet gear (303), the first sun gear (305) being in external engagement with the first planet gear (303) and being arranged within the first ring gear (304), the first ring gear (304) being in internal engagement with the first planet gear (303), an output shaft of the second electrical machine (306) being drivingly connected to the first sun gear (305),
wherein the second epicyclic gear assembly comprises a second sun gear (310), a second planet gear (311), a second ring gear (312) and a second planet carrier (313), the second planet carrier (313) being fixedly connected to the rear axle second axle shaft (314) and rotatably supporting the second planet gear (311), the second sun gear (310) being in external engagement with the second planet gear (311) and being disposed within the second ring gear (312), the second ring gear (312) being in internal engagement with the second planet gear (311), the output shaft of the third electrical machine (309) being drivingly connected to the second sun gear (310).
3. Hybrid vehicle according to claim 1, characterized in that the front axle assembly further comprises a main reduction drive gear (15), a main reduction driven gear (16), a first bevel gear (19), a second bevel gear (20), a third clutch (21) and a third bevel gear (22),
wherein the main reduction drive gear (15) is drivingly connected to the transmission output shaft and is in meshed connection with a main reduction driven gear (16), the main reduction driven gear (16) being fixedly connected to the front axle differential (17) to transmit a drive force received from the main reduction drive gear (15) to the front axle differential (17),
the front axle differential (17) is also fixedly provided with a first bevel gear (19), the second bevel gear (20) is in meshing connection with the first bevel gear (19), the third bevel gear (22) is selectively combined to the second bevel gear (20) through the third clutch (21), and the third bevel gear (22) is in meshing connection with the fourth bevel gear (307).
4. Hybrid vehicle according to claim 2, characterized in that the engine (10) is arranged laterally and in parallel with the first electric machine (12) and the transmission (14) at the front end of the front differential (17).
5. Hybrid vehicle according to claim 1, characterized in that the front axle assembly further comprises a third clutch (21), a third bevel gear (22), a transfer case (23), a front axle drive shaft (24), a fifth bevel gear (25) and a sixth bevel gear (26),
wherein the third bevel gear (22) is in meshing connection with the fourth bevel gear (307), and the third clutch (21) is arranged between the third bevel gear (22) and the transmission output shaft, one end of the transfer case (23) is fixedly connected to the transmission output shaft, and the other end of the transfer case (23) is fixedly connected to the front axle transmission shaft (24), and the front axle transmission shaft (24) is drivingly connected to the front differential (17) through the fifth bevel gear (25) and the sixth bevel gear (26) which are in meshing connection with each other.
6. The hybrid vehicle of claim 1, characterized in that the engine (10) is arranged longitudinally and in parallel with the first electric machine (12) and the transmission (14) between a front axle assembly and the rear axle assembly.
CN202110899543.1A 2021-08-06 2021-08-06 Hybrid vehicle Pending CN113525060A (en)

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CN202110899543.1A CN113525060A (en) 2021-08-06 2021-08-06 Hybrid vehicle

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Application publication date: 20211022