CN112519560A - Transmission, range extending type hybrid power system and vehicle - Google Patents

Transmission, range extending type hybrid power system and vehicle Download PDF

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Publication number
CN112519560A
CN112519560A CN202011401361.9A CN202011401361A CN112519560A CN 112519560 A CN112519560 A CN 112519560A CN 202011401361 A CN202011401361 A CN 202011401361A CN 112519560 A CN112519560 A CN 112519560A
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China
Prior art keywords
gear
transmission
output shaft
generator
vehicle
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CN202011401361.9A
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Chinese (zh)
Inventor
施伟
金鑫
李玉强
田均
邹伟
刘石生
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Getrag Jiangxi Transmission Co Ltd
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Getrag Jiangxi Transmission Co Ltd
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Priority to CN202011401361.9A priority Critical patent/CN112519560A/en
Publication of CN112519560A publication Critical patent/CN112519560A/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
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • 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
    • B60K6/28—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 electric energy storing means, e.g. batteries or capacitors
    • 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
    • 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
    • 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)

Abstract

The invention provides a transmission, an extended range hybrid power system and a vehicle, wherein the transmission comprises an input shaft and an output shaft, the output shaft is connected with a differential, the input shaft is connected with a driving motor, the transmission also comprises a planetary gear mechanism and a plurality of groups of gear pairs which are coupled between the output shaft and the input shaft, and the gear pairs are connected with the output shaft through the planetary gear mechanism. The invention can realize a multi-gear transmission by arranging a plurality of groups of gear pairs, improves the energy conversion rate during high-speed running, and is also provided with the planetary gear mechanism, and the gear pairs are connected with the output shaft through the planetary gear mechanism, so that the integral transmission efficiency of the mechanism can be improved, and the energy conversion rate is further improved.

Description

Transmission, range extending type hybrid power system and vehicle
Technical Field
The invention relates to the technical field of hybrid power, in particular to a transmission, a range-extending hybrid power system and a vehicle.
Background
The world faces two challenges of energy shortage and environmental deterioration, the traditional fuel vehicle is seriously puzzled by petroleum crisis and environmental deterioration, and energy conservation and emission reduction gradually become the focus of the automobile industry. The new energy automobile represents the development direction of the automobile industry in the world, is a common choice of all countries in the world and automobile manufacturers, and is mainly composed of a hybrid electric vehicle and a pure electric vehicle on the market at present.
The battery endurance problem is the biggest challenge in the development of pure electric vehicles, and the battery capacity is in direct proportion to the volume and the mass of the battery, which also forms a contradiction, the larger the capacity is, the stronger the endurance is, but the larger the volume and the mass occupied by the battery are, so that the larger the resistance suffered by the vehicle is, the lower the endurance mileage is, and the larger the battery capacity is, the longer the charging time is.
A hybrid vehicle is a vehicle in which a vehicle drive system is combined from two or more individual drive systems that can be operated simultaneously, and the vehicle drive power is provided by the individual drive systems individually or together depending on the actual vehicle driving state. Generally, a hybrid electric vehicle refers to a gasoline-electric hybrid electric vehicle, that is, a conventional engine (a diesel engine or a gasoline engine) and a motor are used as power sources, and a gasoline-electric hybrid electric vehicle generally used in the market is a plug-in hybrid electric vehicle, which is simply a vehicle between an electric vehicle and a fuel vehicle. The electric automobile has an engine, a transmission system, an oil way and an oil tank of the traditional automobile, and also has a battery, a motor and a control circuit of the electric automobile, and the battery has larger capacity and a charging interface.
The plug-in hybrid electric vehicle type is carried with two sets of power systems, so the mass of the whole vehicle is heavier than that of a fuel vehicle type, after the electric quantity of a power battery is consumed, the fuel economy is not as good as that of the fuel vehicle, the complex structure also causes the rise of the cost of the whole vehicle, and in the national new vehicle subsidy policy, the plug-in hybrid electric vehicle is divided into the conventional fuel vehicle type and is not in the preferential policies of green plate hanging, no number limitation, vehicle purchasing subsidy and the like.
Some automobile manufacturers begin to consider the extended-range hybrid electric vehicle, the extended-range pure electric vehicle is always driven by a motor, an engine is only responsible for silent power generation, and the extended-range pure electric vehicle can be operated by pure electric power or plug-in power, so that the conversion rate is high, and the oil can be saved; the electric vehicle has good endurance mileage, and can run farther especially in the process that pure electric running and generator running supplement each other; however, most of the range-extending automobiles in the market are single-gear transmissions, and the energy conversion rate is not high when the automobiles run at high speed.
Disclosure of Invention
Based on this, the invention aims to provide a transmission, an extended range hybrid system and a vehicle, so as to solve the technical problem that the energy conversion rate of the existing extended range hybrid system is not high.
According to the embodiment of the invention, the transmission comprises an input shaft, an output shaft, a differential, a driving motor, a planetary gear mechanism and a plurality of groups of gear pairs, wherein the output shaft is connected with the differential, the input shaft is connected with the driving motor, the gear pairs are coupled between the output shaft and the input shaft, and the gear pairs are connected with the output shaft through the planetary gear mechanism.
Preferably, the planetary gear mechanism comprises a sun gear, a gear ring and a planet carrier, the sun gear is connected with the output shaft, the planet carrier is connected with the sun gear, the gear ring is connected with the planet carrier, and the gear pair is connected with the sun gear or the gear ring.
Preferably, the plurality of sets of gear pairs include a first gear pair and a second gear pair.
Preferably, the first gear pair is connected with the gear ring, and the second gear pair is connected with the sun gear.
Preferably, the transmission further includes a clutch that acts on the planetary gear mechanism and effects gear shifting.
Preferably, the transmission further comprises a brake acting on the planetary gear mechanism and effecting braking.
Preferably, the output shaft is connected to the differential through a main reduction gear pair.
According to the embodiment of the invention, the extended range hybrid power system comprises an engine, a differential, a driving motor, a generator, a battery and the transmission, wherein the engine is connected with the generator to drive the generator to generate power, the battery is connected with the generator to store electric energy generated by the generator, the battery is also connected with the driving motor to provide electric energy for the driving motor, and the driving motor is connected with the differential through the transmission.
Preferably, the generator is also connected with the driving motor through a power supply line.
According to an embodiment of the invention, a vehicle includes the extended range hybrid system.
Compared with the prior art: through setting up multiunit gear pair, can realize many grades of derailleurs, energy conversion rate when improving high-speed and traveling still sets up planetary gear mechanism in addition, and the gear pair passes through planetary gear mechanism and connects the output shaft, can improve the whole transmission efficiency of mechanism, further improves energy conversion rate.
Drawings
FIG. 1 is a schematic structural diagram of a transmission in a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an extended range hybrid power system according to a first embodiment of the present invention;
fig. 3-12 are schematic diagrams of energy transmission paths of the extended range hybrid system in different modes according to the first embodiment of the invention.
Description of reference numerals:
1. a drive motor; 2. an input shaft; 3. a first gear driving gear; 4. a second gear driving gear; 5. a brake; 6. a clutch; 7. a second-gear driven gear; 8. a sun gear; 9. a planet carrier; 10. a ring gear; 11. a first-gear driven gear; 12. a driving reduction driven gear; 13. a differential mechanism; 14. a main reduction driving gear; 15. a parking gear; 16. an engine; 17. a generator; 18. a first motor controller; 19. a battery; 20. a second motor controller; 21. and an output shaft.
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1, a transmission according to a first embodiment of the present invention is shown, which includes an input shaft 2 and an output shaft 21, the output shaft 21 is connected to a differential 13, the input shaft 2 is connected to a driving motor 1, the transmission further includes a planetary gear mechanism and a plurality of sets of gear pairs coupled between the output shaft 21 and the input shaft 2, and the gear pairs are connected to the output shaft 21 through the planetary gear mechanism.
Specifically, the planetary gear mechanism is composed of a sun gear 8, a gear ring 10 and a planet carrier 9, the sun gear 8 is connected with an output shaft 21, the planet carrier 9 is connected with the sun gear 8, a planet gear is arranged on the planet carrier 9, the gear ring 10 is connected with the planet carrier 9, and a gear pair is connected with the sun gear 8 or the gear ring 10.
By way of example and not limitation, in the present embodiment, the multiple gear pairs specifically include a first gear pair and a second gear pair, that is, the extended range hybrid system in the present embodiment has two natural gears, the first gear pair and the second gear pair are sequentially arranged along the input shaft 2 in a direction away from the driving motor 1, the first gear pair is connected to the gear ring 10, and the second gear pair is connected to the sun gear 8. Specifically, the first gear pair comprises a first gear driving gear 3 and a first gear driven gear 11 which are connected in a meshed mode, the first gear driving gear 3 is arranged on the input shaft 2, the first gear driven gear 11 is connected with the gear ring 10, the second gear pair comprises a second gear driving gear 4 and a second gear driven gear 7 which are connected in a meshed mode, the second gear driving gear 4 is arranged on the input shaft 2, and the second gear driven gear 7 is connected with the sun gear 8.
It should be noted that the above example of two natural gears is only one case implemented by the present embodiment, but the present invention is not limited to this, and in other embodiments, the transmission may further include more or less than two natural gears, for example, three sets of gear pairs may be provided, so that the transmission has three natural gears, or four sets of gear pairs may be provided, so that the transmission has four natural gears, and so on.
In addition, the output shaft 21 is connected with the differential 13 through a main reduction gear pair, the main reduction gear pair comprises a main reduction driving gear 14 and a main reduction driven gear 12 which are connected in a meshing manner, the main reduction driving gear 14 is arranged on the output shaft 21, the main reduction driven gear 12 is arranged on the differential 13, so that the output shaft 21 is connected with the differential 13, front wheels and/or rear wheels (not shown) of the vehicle are connected through the differential 13, the vehicle is in a front-driving type when the front wheels are connected, the vehicle is in a rear-driving type when the rear wheels are connected, and the vehicle is in a four-driving type when the front wheels and the rear wheels are connected, so that power is output to the wheels to drive the vehicle. The output shaft 21 is also provided with a parking gear 15, and the parking gear 15 is disposed between the first-speed driven gear 11 and the main reduction drive gear 14.
Besides, the transmission also comprises a clutch 6 acting on the sun gear 8 and realizing gear shifting, and a brake 5 acting on the sun gear 8 and realizing braking, wherein the brake 5 and the clutch 6 are mutually matched to realize the shifting between the first gear and the second gear.
To sum up, derailleur among the embodiment through setting up the vice gear pair of multiunit gear, can realize many grades of derailleurs, improves energy conversion rate when going at high speed, still sets up planetary gear mechanism in addition, and the gear pair passes through planetary gear mechanism and connects the output shaft, can improve the whole transmission efficiency of mechanism, further improves energy conversion rate.
Example two
Referring to fig. 2, an extended range hybrid system according to a second embodiment of the present invention is shown, including an engine 16, a differential 13, a driving motor 1, a generator 17, a battery 19 and a transmission according to the first embodiment, where the engine 16 is connected to the generator 17 to drive the generator 17 to generate power, the battery 19 is connected to the generator 17 to store the power generated by the generator 17, the battery 19 is further connected to the driving motor 1 to provide power for the driving motor 1, the driving motor 1 is connected to the differential 13 through the transmission, specifically, an input shaft 2 of the transmission is connected to the driving motor 1, and an output shaft 21 of the transmission is connected to the transmission.
In addition, the extended range hybrid power system in the embodiment further includes a first motor controller 18 and a second motor controller 20, wherein the first motor controller 18 is connected to the driving motor 1 and is mainly used for controlling the driving motor 1 to operate; the second motor controller 20 is connected to the engine 16 and is mainly used for controlling the operation of the engine 16 and further controlling the operation of the generator 17. The engine 16 may be specifically an internal combustion engine. In addition, the driving motor 1 is also connected to the battery 19 through the first motor controller 18, so that in the braking energy recovery mode, the electric energy generated by the driving motor 1 can be transmitted to the battery 19 through the first motor controller 18 to store the recovered energy in the battery 19.
In addition, the generator 17 is connected to the drive motor 1 via a power supply line (not shown), so that when necessary, electricity can be directly supplied to the drive motor 1 without going to the battery 19 and then to the drive motor 1, reducing energy losses during transmission. As a power supply wiring manner, the generator 17 may transmit electric power to the driving motor 1 through the engine 16, the second motor controller 20, and the first motor controller 18 in sequence (as shown in fig. 9 and 10).
It should be noted that the apparatus provided in the second embodiment of the present invention has the same implementation principle and the same technical effect as the first embodiment, and for the sake of brief description, the corresponding contents in the first embodiment can be referred to for the non-mentioned parts of the embodiment.
Based on the extended range hybrid system structure shown in fig. 2, the extended range hybrid system in the present embodiment has the following modes as shown in table 1:
table 1:
Figure BDA0002817046970000061
the following detailed description will be made on the operation process and the conventional energy path of each component of the system in each mode, with reference to the 10 modes shown in table 1 and the corresponding drawings:
mode 1: when the vehicle is required to be parked, the engine 16 is turned off, the generator 17 is in a free state, the driving motor 1 is turned off, the clutch 6 and the brake 5 are in a disengaged state, and the parking gear 15 is in the P range.
Mode 2: the parking charging mode can select the parking charging mode when the vehicle is in a parking state and the battery 19 is low in charge. At this time, the engine 16 is in a driving state, the generator 17 is in a power generation state, the driving motor 1 is off, the clutch 6 and the brake 5 are in a disengaged state, and the parking gear 15 is in the P range.
Mode 3: and pure reverse gear, when the vehicle needs to be reversed, the engine 16 is in a closed state, the generator 17 is in a free state, the driving motor 1 reversely rotates to drive the vehicle to reverse, the clutch 6 is separated, the brake 5 is engaged, and the parking gear 15 is in a neutral position.
Mode 4: the reverse gear is connected in series, when the vehicle needs to be backed for a long time, the battery 19 can not provide enough electric quantity, the reverse gear series driving can be selected, at the moment, the engine 16 is switched to the driving state from the off state, the generator 17 is switched to the power generation state from the free state, the driving motor 1 is still driven in the reverse rotation direction, the clutch 6 is separated, the brake 5 is engaged, the parking gear 15 is in the neutral position, the alternating current generated by the generator 17 is not transmitted to the battery 19 and is directly used for the driving motor 1, and the energy waste is avoided.
Mode 5: the method comprises the following steps of pure electric first-gear driving, wherein when the vehicle speed is low, an engine 16 is closed, a clutch 6 is separated, a brake 5 is engaged, and a parking gear 15 is in a neutral position; the driving motor 1 drives a first-gear driving gear 3 through the input shaft 2, and then transmits power to a main reduction driving gear 14 through a planet gear of the planet carrier 9, so that the driving mode can be switched to a first-gear series driving mode when the electric quantity is insufficient.
Mode 6: the pure electric two-gear driving mode is characterized in that when the vehicle speed is high, the engine 16 is closed, the clutch 6 is engaged, the brake 5 is disengaged, and the parking gear 15 is in a neutral position; the driving motor 1 drives the second-gear driving gear 4 through the input shaft 2, and then drives the sun gear 8 through the clutch 6 to transmit power to the main reduction driving gear 14, so that the driving mode can be switched to a second-gear series driving mode when the electric quantity is insufficient.
Mode 7: the first-gear series driving is adopted, when the battery 19 is low in electric quantity and the vehicle speed is low, the first-gear series driving is selected, and when the first-gear series driving is in work, the engine 16 is in a driving state, the generator 17 is in a power generation state, the parking gear 15 is in a neutral position, and the driving motor 1 is in a driving state; the driving motor 1 drives the first-gear driving gear 3 through the input shaft 2, power is transmitted to the main reduction driving gear 14 through the planet gear of the planet carrier 9, alternating current generated by the generator 17 is directly transmitted to the driving motor 1 without passing through the battery 19, so that the driving motor 1 drives a vehicle to run, and loss in an energy conversion and transmission process is reduced; the first-gear series driving mode can work for a long time, the engine 16 and the engine 16 are in a high-efficiency region for a long time, and in addition, the battery 19 and the generator 17 simultaneously supply power to the driving motor 1, so that the power performance is improved.
Mode 8: the second-gear series driving is adopted, when the battery 19 is low in electric quantity and high in vehicle speed, the second-gear series driving is selected, and when the second-gear series driving is in work, the engine 16 is in a driving state, the generator 17 is in a power generation state, the parking gear 15 is in a neutral position, and the driving motor 1 is in a driving state; the driving motor 1 drives the second-gear driving gear 4 through the input shaft 2, the sun gear 8 is driven through the clutch 6 to transmit power to the main reduction driving gear 14, alternating current generated by the generator 17 is directly transmitted to the driving motor 1 without passing through the battery 19, so that the driving motor 1 drives a vehicle to run, and loss in an energy conversion and transmission process is reduced; the second-gear series driving mode can work for a long time, the engine 16 is in a high-efficiency region for a long time, and in addition, the battery 19 and the generator 17 simultaneously supply power to the driving motor 1, so that the power performance is improved.
Mode 9: when the first-gear energy recovery device works in a pure electric first gear or a reverse gear, when a speed reduction mode is met, the first-gear energy recovery device can select the first-gear energy recovery device, at the moment, the generator 17 is in a free state, the clutch 6 is separated, the brake 5 is engaged, the parking gear 15 is in a neutral position, and the driving motor 1 is in a power generation state; during power generation, the ac power generated by the drive motor 1 is transmitted to the battery 19 via the first motor controller 18 and stored in the battery 19.
Mode 10: the energy recovery of the second gear, when the pure electric second gear works, when encountering a deceleration mode, the energy recovery of the second gear can be selected, at the moment, the generator 17 is in a free state, the clutch 6 is engaged, the brake 5 is disengaged, the parking gear 15 is in a neutral position, and the driving motor 1 is in a power generation state; during power generation, the ac power generated by the drive motor 1 is transmitted to the battery 19 via the first motor controller 18 and stored in the battery 19.
EXAMPLE III
A third embodiment of the invention proposes a vehicle including the extended range hybrid system described in the second embodiment above.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The transmission is characterized by comprising an input shaft, an output shaft, a differential, a driving motor, a planetary gear mechanism and a plurality of groups of gear pairs, wherein the gear pairs are coupled between the output shaft and the input shaft, and are connected with the output shaft through the planetary gear mechanism.
2. The transmission of claim 1, wherein the planetary gear mechanism is comprised of a sun gear, a ring gear, and a planet carrier, the sun gear being connected to the output shaft, the planet carrier being connected to the sun gear, the ring gear being connected to the planet carrier, and the range gear pair being connected to either the sun gear or the ring gear.
3. The transmission of claim 2, wherein the plurality of sets of gear pairs include a first gear pair and a second gear pair.
4. The transmission of claim 3, wherein the first gear pair is connected to the ring gear and the second gear pair is connected to the sun gear.
5. A transmission according to any one of claims 1 to 4, characterised in that the transmission further comprises a clutch acting on the planetary gear mechanism and effecting gear shifting.
6. A transmission as claimed in any one of claims 1 to 4, further comprising a brake acting on the planetary gear mechanism and effecting braking.
7. The transmission of any one of claims 1-4, wherein the output shaft is coupled to the differential through a main reduction gear pair.
8. An extended range hybrid system, comprising an engine, a differential, a driving motor, a generator, a battery and the transmission of any one of claims 1 to 7, wherein the engine is connected to the generator to drive the generator to generate electricity, the battery is connected to the generator to store the electric energy generated by the generator, the battery is further connected to the driving motor to provide the electric energy for the driving motor, and the driving motor is connected to the differential through the transmission.
9. The extended range hybrid system of claim 8, wherein the generator is further connected to the drive motor by a power line.
10. A vehicle comprising the extended range hybrid system of any one of claims 8-9.
CN202011401361.9A 2020-12-03 2020-12-03 Transmission, range extending type hybrid power system and vehicle Pending CN112519560A (en)

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Application publication date: 20210319