CN112477579A - Automobile driving device and automobile - Google Patents
Automobile driving device and automobile Download PDFInfo
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- CN112477579A CN112477579A CN202011374458.5A CN202011374458A CN112477579A CN 112477579 A CN112477579 A CN 112477579A CN 202011374458 A CN202011374458 A CN 202011374458A CN 112477579 A CN112477579 A CN 112477579A
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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
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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
- 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
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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
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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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
- B60K6/26—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
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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
- B60K6/36—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
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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
- B60K6/38—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
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- 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 relates to an automobile driving device and an automobile, comprising a power generation driving module, an engine, an accelerating gear, a motor driving module and a reducing gear; the power generation driving module comprises at least one power generation motor, one end of each power generation motor is connected with a first transmission gear, the other end of each power generation motor is connected with a second transmission gear, and the second transmission gear is meshed with the reduction gear; the engine is meshed with the first transmission gear through the speed increasing gear, a first clutch is arranged between the engine and the speed increasing gear, and a second clutch is arranged between the power generation motor and the second transmission gear; the motor driving module comprises at least one driving motor, each driving motor is connected with a third transmission gear, the third transmission gear is meshed with a reduction gear, and the reduction gear is connected with automobile wheels. The invention controls the working state of each motor by the combined arrangement of a plurality of motors, can avoid the fault influence of a single motor while meeting the driving, improves the endurance mileage of the whole vehicle and reduces the influence of power interruption.
Description
Technical Field
The invention relates to the technical field of automobile driving, in particular to an automobile driving device and an automobile.
Background
With the increasing energy crisis and environmental pollution problems, countries in the world, especially china as the major automobile, have been advocating and paying attention to the development of electric automobiles, and their electric drive systems have become the key points of research and development of companies. However, in the application field of large-tonnage and long-range vehicles, the vehicles need large output torque, high maximum speed and long endurance mileage.
The scheme is that a single large-torque low-rotation-speed driving motor is adopted in the existing pure electric heavy truck scheme, a multi-gear EMT speed change device and a large-electric-quantity battery loading scheme are matched, the EMT system is high in shift control development difficulty, purchasing and manufacturing costs of the motor and the transmission are high, the requirement on battery electric quantity is high, the cost is increased, meanwhile, the weight of the whole truck is increased, the bearing capacity is reduced, and once the motor fails, the whole truck driving is influenced.
Therefore, it is desirable to provide a driving system with low cost, high efficiency, long endurance, high reliability, and stable power driving.
Disclosure of Invention
The invention aims to solve the technical problems that a driving device in the prior art is small in high-efficiency interval range, low in efficiency, complex in gear shifting logic, obvious in power interruption and the like.
In order to solve the technical problem, the invention discloses an automobile driving device which comprises a power generation driving module, an engine, an accelerating gear, a motor driving module and a decelerating gear, wherein the engine is connected with the accelerating gear;
the power generation driving module comprises at least one power generation motor, one end of each power generation motor is connected with a first transmission gear, the first transmission gear is meshed with the speed increasing gear, the speed increasing gear is connected with the engine, the other end of each power generation motor is connected with a second transmission gear, and the second transmission gear is meshed with the speed reducing gear;
a first clutch is arranged between the engine and the speed-increasing gear, a second clutch is arranged between the power generation motor and the second transmission gear, and the first clutch and the second clutch cannot be combined simultaneously;
the motor driving module comprises at least one driving motor, each driving motor is connected with a third transmission gear, the third transmission gear is meshed with the reduction gear, and the reduction gear is connected with the automobile wheels.
Furthermore, the automobile driving device also comprises a variable speed driving module, and the reduction gear is connected with the automobile wheels through the variable speed driving module.
In one embodiment, the vehicle drive further comprises at least one motor controller for controlling the generator motor and/or for controlling the drive motor.
In an embodiment, the generator motor and the driving motor are circumferentially distributed around the reduction gear.
Furthermore, the variable speed driving module comprises a driving input assembly, an intermediate transmission assembly and a driving output assembly, the driving input assembly comprises a driving input shaft and a fourth transmission gear, the intermediate transmission assembly comprises an intermediate transmission shaft, a fifth transmission gear and a sixth transmission gear, and the driving output assembly comprises a seventh transmission gear and a transmission output shaft;
one end of the transmission input shaft is connected with the reduction gear, the other end of the transmission input shaft is connected with the fourth transmission gear, the fifth transmission gear is meshed with the fourth transmission gear and connected with the intermediate transmission shaft, the other end of the intermediate transmission shaft is connected with the sixth transmission gear, the seventh transmission gear is meshed with the sixth transmission gear and connected with the transmission output shaft, and the other end of the transmission output shaft is connected with the wheel transmission module.
Furthermore, the variable speed drive module further comprises a gear shifting device, the gear shifting device is arranged on the intermediate transmission shaft, and the gear shifting device is used for controlling the transmission output shaft to be connected with the seventh transmission gear or controlling the transmission output shaft to be connected with the transmission input shaft.
Furthermore, the automobile driving device further comprises a wheel transmission module, the wheel transmission module comprises a differential assembly and a vehicle axle, one end of the differential assembly is connected with the reduction gear or the transmission output shaft, the other end of the differential assembly is connected with the vehicle axle, and the other end of the vehicle axle is connected with the automobile wheels.
In an embodiment, the first clutch is one of a friction clutch and an electromagnetic clutch, and the second clutch is one of a friction clutch and an electromagnetic clutch.
In one embodiment, the shifting device is a coupling sleeve or a dog clutch.
Furthermore, the invention also provides an automobile which comprises the automobile driving device.
The invention can meet the requirements of both motor power generation and motor driving by arranging at least one power generation motor and at least one driving motor, and can ensure that a power system is kept in a high-efficiency interval under most conditions by controlling the working states of the power generation motor and the driving motor, thereby improving the operating efficiency of the motor and the driving system, improving the dynamic property of a vehicle and the endurance capacity of the whole vehicle, avoiding the influence of single motor faults on the driving condition and ensuring the running reliability of the whole vehicle by the combined arrangement of multiple motors.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a driving device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the arrangement of the drive unit of FIG. 1;
FIG. 3 is a schematic diagram of an arrangement of a generator and a driving motor according to an embodiment of the present invention
FIG. 4 is a schematic structural diagram of a driving device according to another embodiment of the present invention;
FIG. 5 is a schematic view of the arrangement of the drive unit of FIG. 3;
FIG. 6 is a schematic structural diagram of a driving device according to another embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a driving device according to another embodiment of the present invention;
in the figure, 1-engine 2-power generation driving module, 21-power generation motor 3-motor driving module, 31-driving motor, 4-speed change driving module, 41-driving input assembly, 411-transmission input shaft, 412-fourth transmission gear, 42-intermediate transmission assembly, 421-intermediate transmission shaft, 422-fifth transmission gear, 423-sixth transmission gear, 43-driving output assembly, 431-seventh transmission gear, 432-transmission output shaft, 44-gear shifting device, 5-wheel transmission module, 51-differential assembly, 52-vehicle axle, 6-speed increasing gear, 7-speed reducing gear, 8-first transmission gear, 9-second transmission gear, 10-third transmission gear, 11-motor controller, 12-first clutch, 13-second clutch.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
in order to solve the problems in the prior art, the invention discloses an automobile driving device, which comprises a power generation driving module 2, an engine 1, a speed-up gear 6, a motor driving module 3 and a speed-down gear 7, wherein the power generation driving module 2 is connected with the engine 1 through a transmission line;
the power generation driving module 2 comprises at least one power generation motor 21, one end of each power generation motor 21 is connected with a first transmission gear 8, the other end of each power generation motor is connected with a second transmission gear 9, and the second transmission gear 9 is meshed with the reduction gear 7; specifically, one end of each generator motor 21 is connected with a first transmission gear 8, and the other end of each generator motor is connected with a second transmission gear 9.
The engine 1 passes through increasing gear 6 with the meshing of first drive gear 8, engine 1 with be provided with first clutch 12 between the increasing gear 6, generator motor 21 with be provided with second clutch 13 between the second drive gear 9, it is preferred, first clutch 12 is any one of friction clutch or electromagnetic clutch, second clutch 13 also is any one of friction clutch or electromagnetic clutch. The engine 1 and the speed increasing gear 6 are combined or separated by operating the combination or separation of the first clutch 12, so that the power generation motor 21 generates power or supplies electric quantity for starting the engine 1 (when the clutch 12 is combined), or the engine and the power generation motor are separated, and the power generation motor is used as a driving motor to drive and supply power (when the clutch 12 is separated). The combination or separation of the generator motor 21 and the second transmission gear 9 is realized by operating the combination or separation of the second clutch 13, so that the generator 21 generates electricity or provides electricity for starting the engine 1 (when the clutch 13 is separated), or the generator motor 21 is driven as a driving motor to provide power (when the clutch 13 is separated).
The motor driving module 3 comprises at least one driving motor 31, each driving motor 31 is meshed with the reduction gear 7 through a third transmission gear 10, and the reduction gear 7 is connected with the automobile wheel.
Preferably, the generator motor 21 and the driving motor 31 in this embodiment are the same type of motor with the same parameters and performance. Preferably a small torque, high rotational speed motor.
It can be understood that, through selecting for use the generating motor 21 and the driving motor 31 of little moment of torsion, high rotational speed, because its rotational speed is high, the high efficiency interval covers extensively, and generating motor 21 and driving motor 31 can the combination arrange, can be so that the motor all keeps at the high efficiency interval under most operating modes, has effectively promoted motor efficiency, can effectively reduce manufacturing cost simultaneously.
Furthermore, due to the combined arrangement of the motors, other motors can still continue to drive after one or more motors are in failure, the automobile can be ensured to continue to run, and the reliability of the driving device of the whole automobile is improved.
Preferably, in this embodiment, the power generation driving module 2 includes a power generation motor 21, the motor driving module 3 includes three driving motors 31, specifically includes a first driving motor, a second driving motor and a third driving motor, the first driving motor, the second driving motor and the third driving motor all have one end idle, the other end is connected with a third transmission gear 10 respectively, the first driving motor, the second driving motor and the third transmission gear 10 of the third driving motor end connection all mesh with the reduction gear 7.
In an embodiment, as shown in fig. 3, the generator motor 21, the first driving motor 31, the second driving motor 31, and the third driving motor 31 are circumferentially distributed around the reduction gear 7. Specifically, the generator motor 21 and the driving motor 31 may be sequentially arranged or may be arranged at intervals, where the sequential arrangement may be that the generator motor 21 is sequentially arranged first and the driving motor 31 is arranged again, and the interval arrangement may be that one driving motor 31 is arranged after one generator motor 21 is arranged, and then one generator motor 21 is arranged, and the remaining motors are sequentially arranged until the numbers of the generator motors 21 and the driving motors 31 are not equal to each other.
Further, the driving device further comprises at least one motor controller 11, wherein the motor controller 11 is configured to control the generator motor 21 and/or the driving motor 31. It is understood that one motor controller 11 may control one generator motor 21 or one driving motor 31, one motor controller 11 may control one generator motor 21 and one driving motor 31, one motor controller 11 may control a plurality of generator motors 21 or a plurality of driving motors 31, and the setting may be performed according to the actual situation, and is not limited specifically here.
Preferably, in the present embodiment, the driving apparatus includes 3 motor controllers 11, specifically, a single motor controller for controlling the generator motor 21, a dual motor controller for simultaneously controlling the first driving motor and the second driving motor, and an integrated single motor controller integrated with an automatic speed change control function for controlling the third driving motor 31.
It can be understood that different power generation motors or different driving motors are controlled by setting different motor controllers to control different power generation motors or different driving motors respectively, when one motor controller fails, other motor controllers can continue to control the responding motor to continue to work, the service efficiency of the whole vehicle is improved, and the two-gear transmission is controlled and integrated in the single motor controller by combining the double motors and the single motor controller, so that the control difficulty of the motors and the transmission is reduced, and the related control development cost is saved.
Further, the driving device further comprises a wheel transmission module 5, the wheel transmission module 5 comprises a differential assembly 51 and a vehicle axle 52, one end of the differential assembly 51 is connected with the reduction gear 7, the other end of the differential assembly 51 is connected with the vehicle axle 52, and the other end of the vehicle axle 52 is connected with the vehicle wheel.
The invention can meet the requirements of both motor power generation and motor drive by arranging at least one power generation motor and at least one driving motor according to the requirements of the whole vehicle, ensures that a power system is kept in a high-efficiency interval under most conditions by controlling the working states of the power generation motor and the driving motor, improves the operating efficiency of the motor and the driving system, improves the dynamic property of the vehicle and the endurance capacity of the whole vehicle, and can avoid the influence of single motor faults on the driving condition and ensure the reliability of the whole vehicle operation by the combined arrangement of multiple motors
Example 2:
further, in order to solve the problems in the prior art, the embodiment also discloses another schematic structural diagram of the automobile driving device; as shown in fig. 4 and fig. 5, different from embodiment 1, in this embodiment, the driving device further includes a variable speed driving module 4, the variable speed driving module 4 includes a driving input assembly 41, an intermediate transmission assembly 42 and a driving output assembly 43, the driving input assembly 41 includes a transmission input shaft 411 and a fourth transmission gear 412, the intermediate transmission assembly 42 includes an intermediate transmission shaft 421, a fifth transmission gear 422 and a sixth transmission gear 423, and the driving output assembly 43 includes a seventh transmission gear 431 and a transmission output shaft 432;
one end of the transmission input shaft 411 is connected with the reduction gear 7, the other end of the transmission input shaft 411 is connected with the fourth transmission gear 412, the fifth transmission gear 422 is meshed with the fourth transmission gear 412 and is connected with the intermediate transmission shaft 421, the other end of the intermediate transmission shaft 421 is connected with the sixth transmission gear 423, the seventh transmission gear 431 is meshed with the sixth transmission gear 423 and is connected with the transmission output shaft 432, and the other end of the transmission output shaft 432 is connected with the wheel transmission module 5.
Preferably, the transmission input shaft 411 and the fourth transmission gear 412 are integrally formed by shaft teeth, the fifth transmission gear 422 and the sixth transmission gear 423 are respectively connected with the intermediate transmission shaft 421 through splines or a shrink fit mode, the seventh transmission gear 431 is mounted on the transmission output shaft 432 through a needle bearing, and the seventh transmission gear 431 can circumferentially rotate on the transmission output shaft 432.
Further, the variable speed drive module 4 further includes a gear shifting device 44, the gear shifting device 44 is disposed on the intermediate transmission shaft 421, and the gear shifting device 44 is configured to control the transmission output shaft 432 to be connected to the seventh transmission gear 431, or control the transmission output shaft 432 to be connected to the transmission input shaft 411. Preferably, the shifting device 44 is a coupling sleeve or dog clutch.
Through setting up gearshift, can realize the switching that different kept off the position to can satisfy the demand that whole car high torque starts, accelerates or high-speed cruises according to whole car operating mode. In this embodiment, the two-gear shifting device 44 is adopted, so that the requirements of low speed and large torque of the whole vehicle can be met, the requirement of efficient running of the whole vehicle can be met, and meanwhile, the cost of the transmission and the development difficulty of a control strategy are reduced.
Further, the power generation drive module 2, the motor drive module 3, and the transmission drive module 4 are collectively disposed in a transmission case (as indicated by the dotted line in the drawing). Through with electricity generation drive module 2, motor drive module 3 and variable speed drive module 4 uses the derailleur casing to construct as the carrier, convenient assembling has improved the structural uniformity.
Further, in this embodiment, one end of the differential assembly 51 is connected to the transmission output shaft 432, the other end of the differential assembly 51 is connected to the vehicle axle 52, and the other end of the vehicle axle 52 is connected to the vehicle wheels.
Specifically, in the present embodiment, when the vehicle is actually running, the motors are used in combination to realize the various operation modes listed in table 1.
TABLE 1
| Mode of operation | Engine state | First clutch | Second clutch | Number of generator motors | Number of driving motors | Gear position |
| EV1 | Stop | Separation of | Bonding of | 0 | 4 | 1 |
| EV2 | Stop | Separation of | Bonding of | 0 | 4 | 2 |
| EV3 | Stop | Separation of | Separation of | 0 | 3 | 1 |
| EV4 | Stop | Separation of | Separation of | 0 | 3 | 2 |
| EV5 | Starting up | Bonding of | Separation of | 1 | 3 | 1 |
| EV6 | Starting up | Bonding of | Separation of | 1 | 3 | 2 |
Specifically, the operation modes in table 1 are described as follows:
when the engine 1 is stopped, the first clutch 12 is disengaged, the second clutch 13 is engaged, the generator motor 21, the first drive motor, the second drive motor and the third drive motor are simultaneously operated, and the shifting device 44 is in the first gear state, the first-gear electric-only drive mode EV1 is defined;
when the engine 1 is stopped, the first clutch 12 is disengaged, the second clutch 13 is engaged, the generator motor 21, the first drive motor, the second drive motor, and the third drive motor operate simultaneously, and the shift device 44 is in the second gear state, a second-gear electric-only drive mode EV2 is defined;
when the engine 1 is stopped, the first clutch 12 is disengaged, the second clutch 13 is disengaged, the first drive motor, the second drive motor, and the third drive motor are operated, and the shift device 44 is in the first gear state, a third-gear electric-only drive mode EV3 is defined;
when the engine 1 is stopped, the first clutch 12 is disengaged, the second clutch 13 is disengaged, the first drive motor, the second drive motor and the third drive motor are operated, and the shifting device 44 is in the second gear state, the fourth gear electric only drive mode EV4 is defined;
when the engine 1 is started, the first clutch 12 is engaged, the second clutch 13 is disengaged, the generator motor 21 performs power generation operation, the first drive motor, the second drive motor and the third drive motor perform drive operation, and the shift device 44 is in the first gear state, the fifth gear range-extending drive mode EV5 is defined;
when the engine 1 is started, the first clutch 12 is engaged, the second clutch 13 is disengaged, the generator motor 21 performs the power generating operation, the first drive motor, the second drive motor, and the third drive motor perform the driving operation, and the shift device 44 is in the second gear state, a sixth gear range-increasing drive mode EV6 is defined.
It will be appreciated that the above-described,
the invention can meet the requirements of both motor power generation and motor driving by arranging at least one power generation motor and at least one driving motor, and can ensure that a power system is kept in a high-efficiency interval under most conditions by controlling the working states of the power generation motor and the driving motor, thereby improving the operating efficiency of the motor and the driving system, improving the dynamic property of a vehicle and the endurance capacity of the whole vehicle, avoiding the influence of single motor faults on the driving condition and ensuring the running reliability of the whole vehicle by the combined arrangement of multiple motors.
Example 3:
further, the present embodiment provides another schematic structural diagram of the driving apparatus of the automobile, as shown in fig. 6, which is different from embodiment 2, in the present embodiment, the power generation driving module 2 includes two power generation motors 21, specifically, a first power generation motor and a second power generation motor, one end of the first generator is connected with a first transmission gear 8, the other end of the first generator is connected with a second transmission gear 9, one end of the second generating motor is also connected with a first transmission gear 8, the other end of the second generating motor is also connected with a second transmission gear 9, the speed increasing gear 6 is respectively meshed with first transmission gears 8 respectively connected with the end parts of the first power generation motor and the second power generation motor, the reduction gear 7 is engaged with a second transmission gear 9 respectively connected to the other end portions of the first generator and the second generator. The engine 1 is meshed with the speed-increasing gear 6, a first clutch 12 is arranged between the engine 1 and the speed-increasing gear 6, and second clutches 13 are arranged between the first power generator and the second transmission gear 9 and between the second power generator and the second transmission gear 9.
The motor driving module 3 comprises two driving motors 31, and specifically comprises a fourth driving motor and a fifth driving motor, one end of the fourth driving motor is suspended, the other end of the fourth driving motor is connected with a third transmission gear 10, the other end of the fifth driving motor is also suspended, the other end of the fifth driving motor is connected with a third transmission gear 10, and the reduction gear 7 is respectively meshed with the first transmission gear 8 at the end parts of the first power generator and the second power generator and the third transmission gear 10 at the end parts of the fourth driving motor and the fifth driving motor.
Further, in the present embodiment, the driving apparatus includes two motor controllers 11, specifically, a first dual-motor controller and a second dual-motor controller, the first dual-motor controller is configured to control the first power generator and the second power generator simultaneously, and the second dual-motor controller is configured to control the fourth driving motor and the fifth driving motor simultaneously.
The invention can meet the requirements of both motor power generation and motor driving by arranging at least one power generation motor and at least one driving motor, and can ensure that a power system is kept in a high-efficiency interval under most conditions by controlling the working states of the power generation motor and the driving motor, thereby improving the operating efficiency of the motor and the driving system, improving the dynamic property of a vehicle and the endurance capacity of the whole vehicle, avoiding the influence of single motor faults on the driving condition and ensuring the running reliability of the whole vehicle by the combined arrangement of multiple motors.
Example 4:
further, different numbers of the generator motors 21 and the driving motors 31 can be specifically set according to the motor characteristics and the matched vehicle type, and the embodiment provides another structural schematic diagram of the vehicle driving device, as shown in fig. 7, unlike the above-described embodiment 2, in the present embodiment, the power generation drive module 2 includes one power generation motor 21, one end of the generating motor 21 is connected with a first transmission gear 8, the other end is connected with a second transmission gear 9, the engine 1 is connected with an accelerating gear 6, the accelerating gear 6 is meshed with the first transmission gear 8, the motor driving module 3 comprises a driving motor 31, one end of the driving motor 31 is suspended, the other end is connected with a third transmission gear 10, and the reduction gear 7 is respectively meshed with the second transmission gear 9 at the end part of the generating motor 21 and the third transmission gear 10 at the end part of the driving motor 31.
Specifically, in this embodiment, several operation modes as described in table 2 may be implemented.
TABLE 2
| Mode of operation | Engine state | First clutch | Second clutch | Number of generator motors | Number of driving motors | Gear position |
| EV1' | Stop | Separation of | Separation of | 0 | 1 | 1 |
| EV2' | Stop | Separation of | Separation of | 0 | 1 | 2 |
| EV3' | Stop | Separation of | Bonding of | 0 | 2 | 1 |
| EV4' | Stop | Separation of | Bonding of | 0 | 2 | 2 |
| EV5' | Starting up | Bonding of | Separation of | 1 | 1 | 1 |
| EV6' | Starting up | Bonding of | Separation of | 1 | 1 | 2 |
It is understood that the functions of the functional components (clutch, engine, driving motor, generating motor, etc.) in table 2 are specifically listed, and detailed descriptions thereof are omitted.
Example 5:
further, the embodiment also provides an automobile, and the automobile comprises the automobile driving device.
It is understood that the number of the generator motors and the number of the driving motors listed in the above embodiment are only a preferred implementation, and in other implementable schemes, the number of the generator motors may be three or four or other numbers, the number of the driving motors may be four or five or other numbers, and a specific matching setting may be specifically performed according to the motor characteristics and the vehicle type, and is not limited specifically here.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The automobile driving device is characterized by comprising a power generation driving module (2), an engine (1), a speed increasing gear (6), a motor driving module (3) and a speed reducing gear (7);
the power generation driving module (2) comprises at least one power generation motor (21), one end of each power generation motor (21) is correspondingly connected with a first transmission gear (8), the other end of each power generation motor (21) is correspondingly connected with a second transmission gear (9), and the second transmission gear (9) is meshed with the reduction gear (7);
the engine (1) is meshed with the first transmission gear (8) through the speed-increasing gear (6), a first clutch (12) is arranged between the engine (1) and the speed-increasing gear (6), and a second clutch (13) is arranged between the power generation motor (21) and the second transmission gear (9);
the motor driving module (3) comprises at least one driving motor (31), each driving motor (31) is correspondingly connected with a third transmission gear (10), the third transmission gears (10) are meshed with the reduction gears (7), and the reduction gears (7) are connected with automobile wheels.
2. The vehicle drive according to claim 1, characterized in that it further comprises a variable-speed drive module (4), the reduction gear (7) being connected to the vehicle wheels via the variable-speed drive module (4).
3. The vehicle drive according to claim 1, characterized in that the vehicle drive further comprises at least one motor controller (11), the motor controller (11) being used for controlling the generator motor (21) and/or for controlling the drive motor (31).
4. The vehicle drive according to claim 1, wherein the generator motor (21) and the drive motor (31) are circumferentially distributed centering on the reduction gear (7).
5. The automotive drive of claim 2, characterised in that the variable speed drive module (4) comprises a drive input assembly (41), an intermediate transmission assembly (42) and a drive output assembly (43), the drive input assembly (41) comprising a transmission input shaft (411) and a fourth transmission gear (412), the intermediate transmission assembly (42) comprising an intermediate transmission shaft (421), a fifth transmission gear (422) and a sixth transmission gear (423), the drive output assembly (43) comprising a seventh transmission gear (431) and a transmission output shaft (432);
one end of the transmission input shaft (411) is connected with the reduction gear (7), the other end of the transmission input shaft (411) is connected with the fourth transmission gear (412), the fifth transmission gear (422) is meshed with the fourth transmission gear (412) and is connected with the intermediate transmission shaft (421), the other end of the intermediate transmission shaft (421) is connected with the sixth transmission gear (423), the seventh transmission gear (431) is meshed with the sixth transmission gear (423) and is connected with the transmission output shaft (432), and the other end of the transmission output shaft (432) is connected with the wheel transmission module (5).
6. The vehicle drive according to claim 5, characterized in that the variable speed drive module (4) further comprises a gear shift device (44), the gear shift device (44) being arranged on the intermediate transmission shaft (421), the gear shift device (44) being configured to control the connection of the transmission output shaft (432) to the seventh transmission gear (431) or to control the connection of the transmission output shaft (432) to the transmission input shaft (411).
7. The vehicle drive according to claim 6, characterized in that the vehicle drive further comprises a wheel transmission module (5), the wheel transmission module (5) comprising a differential assembly (51) and a vehicle axle (52), one end of the differential assembly (51) being connected to the reduction gear (7) or the transmission output shaft (432), the other end of the differential assembly (51) being connected to the vehicle axle (52), the other end of the vehicle axle (52) being connected to a vehicle wheel.
8. The vehicle drive device according to claim 1, wherein the first clutch (12) is any one of a friction clutch and an electromagnetic clutch, and the second clutch (13) is any one of a friction clutch and an electromagnetic clutch.
9. The vehicle drive as claimed in claim 6, characterized in that the shifting device (44) is a coupling sleeve or a dog clutch.
10. A motor vehicle, characterized in that it comprises a motor vehicle drive according to any one of claims 1-9.
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| CN113043828A (en) * | 2021-03-18 | 2021-06-29 | 江苏大学 | Transmission of vehicle hybrid power system and control method |
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