CN111055669A - Automobile hybrid power driving device and automobile - Google Patents
Automobile hybrid power driving device and automobile Download PDFInfo
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- CN111055669A CN111055669A CN201911304648.7A CN201911304648A CN111055669A CN 111055669 A CN111055669 A CN 111055669A CN 201911304648 A CN201911304648 A CN 201911304648A CN 111055669 A CN111055669 A CN 111055669A
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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
- 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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped 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
- 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
- B60K2006/381—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 characterized by driveline brakes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses an automobile hybrid power driving device and an automobile, wherein the automobile hybrid power driving device comprises an engine, a motor, a first planetary gear set, a second planetary gear set and a plurality of gear shifting execution elements, wherein the motor and an output shaft of the engine are arranged on the same axis; the first planetary gear ring is connected with the output shaft of the engine into a whole, the first planet carrier is connected with the second planetary gear set through the first clutch and the second clutch, the third brake clutch is arranged at one end far away from the engine, the active end of the third brake clutch is selectively connected with the output shaft of the engine, the passive end of the third brake clutch is fixed on a transmission shell, the third brake clutch is used for releasing or braking the output shaft of the engine, and the motor and the engine are matched with different gear shifting executing elements through the third brake clutch to realize power output of different driving modes and various gears. The invention has the advantages of compact structure, less gear shifting executing elements and improved gear shifting efficiency.
Description
Technical Field
The invention belongs to the field of automobile transmission systems, and particularly relates to an automobile hybrid power driving device and an automobile.
Background
With the gradual increase of the automobile keeping quantity, the new energy automobile is more and more popular with consumers as a relatively environment-friendly travel tool at present. With the stricter and stricter environmental protection measures in various countries in the world, hybrid vehicles become a key point for automobile research and development due to the characteristics of energy conservation, low emission and the like. The hybrid vehicle and the gasoline vehicle can be refueled to a gas station without changing the use habit of the vehicle. The fuel economy performance is high, and the travelling performance is superior, and the engine of hybrid vehicle uses fuel, and when starting, accelerating, owing to have electric motor's assistance, so can reduce the oil consumption, can shut down internal-combustion engine, drive by the battery alone, realize "zero" emission. The dynamic property is superior to that of a pure internal combustion engine automobile with the same displacement, and particularly, when the automobile starts to accelerate, the motor can effectively make up the defect of insufficient torque force of the internal combustion engine at low rotating speed. The motor is adopted to work when the mechanical noise in the vehicle is reduced and the vehicle is in low speed or idling. The engine does not work when the speed does not reach a certain speed, so that the engine can be always kept in the optimal working condition state.
An automatic transmission is one of the most critical components for a hybrid vehicle. The existing hybrid power usually adopts an automatic transmission device with few gears and double motors. The gear is few, and the motor with higher rotating speed and larger torque is needed to meet the driving requirement of road vehicles, so that the defects of high motor power, high cost, large voltage and current and the like are caused.
Disclosure of Invention
The invention aims to solve the problems of double motors and less gears of a hybrid power driving device in the prior art.
The invention provides an automobile hybrid power driving device, which comprises an engine, a motor, a first planetary gear set and a second planetary gear set, wherein the motor and an output shaft of the engine are arranged on the same axis;
the gear shifting executing element comprises a first clutch, a second clutch and a third brake clutch; the first planetary gear set includes a first planet ring gear and a first planet carrier; the first planetary gear ring is connected with the output shaft of the engine into a whole, the first planet carrier is connected with the second planetary gear set through the first clutch and the second clutch, the third brake clutch is arranged at one end far away from the engine, the active end of the third brake clutch is selectively connected with the output shaft of the engine, the passive end of the third brake clutch is fixed on a transmission shell, the third brake clutch is used for releasing or braking the output shaft of the engine, and the motor and the engine are matched with different gear shifting executing elements through the third brake clutch to realize power output of different driving modes and various gears.
Further, the gear shifting execution element further comprises a first brake clutch and a second brake clutch, the first brake clutch is arranged on the outer side of the first clutch and used for braking the second planet large sun gear, the driving end of the second brake clutch is selectively connected with the second planet carrier, and the driven ends of the first brake clutch and the second brake clutch are both fixed on the driving device shell.
Further, the shift execution element still includes one-way clutch, one-way clutch's initiative end with the second planet carrier is connected, one-way clutch's passive end is fixed on the drive arrangement casing, one-way clutch is used for preventing the anticlockwise rotation of second planet carrier.
Further, the first planetary gear set further includes a first planet sun and a first planet pinion;
the first planet sun gear is connected with a motor rotor;
the first planet pinion is supported on the first planet carrier by a bearing, and the first planet pinion is meshed with the first planet sun and the first planet ring, respectively.
Further, the second planetary gear set includes a second planet large sun gear, a second planet small sun gear, a second planet pinion, a second planet long gear, a second planet carrier, and a second planet ring gear;
the second planet big sun gear is connected with the driven end of the first clutch through the brake drum of the first brake clutch;
the second planet small sun gear is connected with a driven end of the second clutch;
the second planet pinions are supported on the second carrier by bearings, the second planet pinions meshing with the second planet pinion sun gear and the second planet long gear;
the second planet long gear is supported on the second planet carrier through a bearing, and the second planet long gear is meshed with the second planet ring gear and the second planet big sun gear;
one end of the second planet carrier supports the second planet pinion and the second planet long gear, and the other end of the second planet carrier is connected with the driving ends of the one-way clutch and the second brake clutch respectively;
the second planetary gear ring is connected with the output gear.
Further, the driving device further comprises an output assembly, the output assembly comprises an output gear, a first intermediate gear, a second intermediate gear, an output shaft and a differential driven gear, the first intermediate gear and the second intermediate gear are arranged on the output shaft, the output gear is arranged between the first planetary gear set and the second planetary gear set, the output gear is meshed with the first intermediate gear, the second intermediate gear is meshed with the differential driven gear, and the differential driven gear outputs power.
Further, the motor comprises a motor stator and a motor rotor, and the motor stator is fixed on the driving device shell.
Further, the output end of the engine is also provided with a dual-mass flywheel, and the dual-mass flywheel is used for starting and transmitting the rotational torque of the engine and improving the rotational inertia of a driving device.
Further, different modes realized by the driving device comprise a pure motor driving mode and an engine driving mode, and the driving device is suitable for a plug-in hybrid electric vehicle.
The invention also provides an automobile which comprises an automobile body, a chassis and the hybrid power driving device, wherein the hybrid power driving device is arranged on the chassis.
The embodiment of the invention has the following beneficial effects:
(1) according to the invention, the third brake clutch is arranged on the engine output shaft far away from one end of the engine and is used for braking the engine output shaft, and the pure electric motor driving mode can be realized by controlling the engagement of the third brake clutch.
(2) According to the invention, the number of the gear shifting executing elements is reduced on the basis of the existing scheme, and the gear shifting executing mechanism for gear shifting only comprises five first clutches, second clutches, first brake clutches, second brake clutches and third brake clutches, so that the gear shifting operation is simpler, and the gear shifting executing efficiency and the gear shifting quality are improved.
(3) The invention is suitable for a plug-in hybrid power scheme, has compact and simple structure, can be produced by modifying the original production line, adopts a pure electric mode at low speed and adopts a shunt mode at medium and high speed, and can meet different driving requirements.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described 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 without creative efforts.
FIG. 1 is a schematic configuration diagram of a hybrid drive apparatus for an automobile according to embodiment 1 of the invention;
FIG. 2 is a schematic view of the first planetary gear set and the second planetary gear set in embodiment 1 of the invention;
wherein the reference numerals in the figures correspond to: 1-engine, 2-engine output shaft, 3-electric machine, 4-first planetary gear set, 5-second planetary gear set, 6-shift actuator, 7-output assembly, 8-drive housing, 9-dual-mass flywheel, 301-motor stator, 302-motor rotor, 401-first planetary sun gear, 402-first planetary pinion, 403-first planetary ring gear, 404-first planet carrier, 501-second planetary sun gear, 502-second planetary sun gear, 503-second planetary pinion, 504-second planetary long gear, 505-second planet carrier, 506-second planetary ring gear, 601-first clutch, 602-second clutch, 603-first brake clutch, 604-one-way clutch, 605-second brake clutch, 606-third brake clutch, 701-output gear, 702-first intermediate gear, 703-second intermediate gear, 704-output shaft, 705-differential driven gear.
Detailed Description
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 of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
as shown in fig. 1-2, embodiment 1 of the present invention provides a hybrid drive device for an automobile and an automobile, including an engine 1, a motor 3 disposed on the same axis with an engine output shaft 2, a first planetary gear set 4 and a second planetary gear set 5, wherein a plurality of shift actuators 6 are disposed outside the first planetary gear set 4 and the second planetary gear set 5;
the first planetary gear set 4 includes a first planetary sun gear 401, a first planetary pinion 402, a first planetary ring 403, and a first carrier 404; the second planetary gear set 5 includes a second large planetary sun gear 501, a second small planetary sun gear 502, second pinion gears 503, a second long planetary gear 504, a second carrier 505, and a second ring gear 506; the gear shifting actuating element 6 comprises a first clutch 601, a second clutch 602, a first brake clutch 603, a second brake clutch 605, a third brake clutch 606 and a one-way clutch 604;
the first planet sun gear 401 is connected with the motor rotor 301; the first planetary pinion 402 is supported on the first carrier 404 by bearings, and the first planetary pinion 402 is meshed with the first planetary sun gear 401 and the first planetary ring gear 403, respectively; the first planetary ring gear 403 is integrally connected to the engine output shaft 2, and the first carrier 404 is connected to the second planetary gear set 5 through the first clutch 601 and the second clutch 602.
In the embodiment of the present invention, the first planet carrier 404 is selectively connected with the second planet big sun gear 501 through a first clutch 601, the first planet carrier 404 is selectively connected with the second planet small sun gear 502 through a second clutch 602, and a first brake clutch 603 is arranged between the first clutch 601 and the second planet big sun gear 501 for braking the second planet big sun gear 501.
The second planet big sun gear 501 is connected with the driven end of the first clutch 601 through the brake drum of the first brake clutch 603; the second planet small sun gear 502 is connected with the driven end of the second clutch 602; the second pinion gears 503 are supported by the second carrier 505 through bearings, and the second pinion gears 503 are engaged with the second pinion sun gear 502 and the second planetary long gear 504; the second planetary long gear 504 is supported on the second carrier 505 by a bearing, and the second planetary long gear 504 is meshed with the second planetary ring gear 506 and the second planetary large sun gear 501; one end of the second planet carrier 505 supports the second pinion 503 and the second planet long gear 504, and the other end of the second planet carrier 505 is connected with the driving ends of the one-way clutch 604 and the second brake clutch 605 respectively; the second planetary ring gear 506 is connected to the output gear 701. The one-way clutch 604 and the second brake clutch 605 are fixed at their passive ends to the drive housing 8. Wherein the one-way clutch 604 is used for preventing the second planet carrier 505 from rotating counterclockwise.
The third brake clutch 606 is arranged at one end far away from the engine 1, an active end of the third brake clutch 606 is connected with the engine output shaft 2 and the second planetary gear ring 403 into a whole and coaxially rotates, a passive end of the third brake clutch 606 is fixed on the transmission housing 8, the third brake clutch 606 is used for releasing or braking the engine output shaft 2, and the motor 3 and the engine 1 are matched with different gear shifting executing elements 6 through the third brake clutch 606 to realize power output of different driving modes and various gears.
Specifically, the drive device further includes an output assembly 7, the output assembly 7 includes an output gear 701, a first intermediate gear 702, a second intermediate gear 703, an output shaft 704, and a differential driven gear 705, the first intermediate gear 702 and the second intermediate gear 703 are disposed on the output shaft 704, the output gear 701 is disposed between the first planetary gear set 4 and the second planetary gear set 5, the output gear 701 is meshed with the first intermediate gear 702, the second intermediate gear 703 is meshed with the differential driven gear 705, and the differential driven gear 705 outputs power.
Specifically, the motor 3 includes a motor stator 301 and a motor rotor 302, and the motor stator 301 is fixed to the drive device housing 8. In the embodiment of the invention, the driving device is of a single-motor structure.
Specifically, the output end of the engine 1 is further provided with a dual-mass flywheel 9, and the dual-mass flywheel 9 is used for starting and transmitting the rotation torque of the engine 1 and improving the rotation inertia of a driving device.
Specifically, the different modes realized by the driving device comprise a pure motor driving mode and an engine driving mode, and the driving device is suitable for a plug-in hybrid electric vehicle.
The shift actuators function to constrain certain members of the planetary gear set, including fixing and bringing them to 0 or connecting a member to rotate at a specified speed. By appropriate selection of the basic elements to be restrained and the manner of restraint in the planetary gear sets, different gear ratios can be achieved, forming different gears. In the embodiment of the invention, different driving modes can be realized, when the third brake clutch 606 is controlled to be engaged, a pure electric driving mode of 3 gears can be realized by matching with other gear shifting execution elements, and when the third brake clutch 606 is controlled to be disengaged, a driving mode of shunting the motor and the engine can be realized by matching with other gear shifting execution elements.
The first clutch 601 and the second clutch 602 are used for connection or driving to realize power transmission. In the embodiment of the present invention, the first clutch 601 and the second clutch 602 are wet multi-plate clutches or dry multi-plate clutches. The brake clutch serves to fix a basic element of the planetary gear set, and one end of the brake clutch is connected with the driving device shell in operation so that the brake clutch is fixed and cannot rotate.
The invention also provides an automobile which comprises an automobile body, a chassis and the hybrid power driving device, wherein the hybrid power driving device is arranged on the chassis.
The invention relates to a driving mode which can be realized by a hybrid power driving device of an automobile and a control method thereof, which comprises the following steps:
(I) a motor starting engine mode:
the second brake clutch 605, the first clutch 601 and the second clutch 602 are engaged, the first planet carrier 404 is braked and does not rotate, the motor rotor 302 rotates under the driving of the electromagnetic force of the motor stator 301, the engine output shaft 2 is driven to rotate through the first planet sun gear 401 and the first planet ring 403 in a speed reduction mode, and the engine 1 is started.
(II) a motor driving mode:
at low speeds, a motor drive mode may be employed, at which time the engine 1 and dual mass flywheel 10 may be deactivated.
Electric driving mode of first gear: when the second clutch 602, the second brake clutch 605 and the third brake clutch 606 are engaged, the first planetary ring 403 is braked, and the motor rotor 302 rotates under the electromagnetic force of the motor stator 301, driving the first planetary sun gear 401 → the first planet carrier 404 → the second clutch 602 → the second planet small sun gear 502 → the second planet ring gear 506 → the output gear 701 to output power, driving the vehicle to run. At this time, the second brake clutch 605 brakes the second planet carrier 505 to be still and not to rotate, and the deceleration function is realized; the first planetary gear 403 is braked and the first planetary gear set 4 becomes the speed reduction function outputting power.
Two-gear electric driving mode: when the second clutch 602, the first brake clutch 603, and the third brake 606 are engaged, the motor rotor 302 rotates under the electromagnetic force of the motor stator 301, driving the first planetary sun gear 401 → the first carrier 404 → the second clutch 602 → the second planetary small sun gear 502 → the second planetary ring gear 506 → the output gear 701, and outputting power to drive the vehicle to travel. At this time, the first brake clutch 603 brakes the second planetary large sun gear 501 so as not to rotate, and the second carrier 505 is rotatable and transmits power.
Three-gear electric driving mode: when the second clutch 602, the third clutch 603, and the third brake 606 are engaged, the motor rotor 302 rotates by the electromagnetic force of the motor stator 301, and drives the first planetary sun gear 401 → the first carrier 404 → the second clutch 602 and the first clutch 601 → the second planetary ring gear 506 → the output gear 701, at which time, the second planetary gear set 5 rotates as a whole, power is transmitted, and the output power drives the vehicle to travel.
Reverse electric drive mode: above three keep off position, when the motor reverse rotation, can realize three reverse gears.
And (III) a motor and engine split driving mode:
during medium and high speed running, the split driving mode can be adopted. The engine driving power flow is that the engine is fixed at a certain oil-saving rotating speed and outputs the power flow with the fixed rotating speed of the engine; the motor power flow is that the motor adjusts the running speed of the vehicle through positive rotation and negative rotation, and the two power flows output power through the confluence planetary mechanism.
Fourth gear: when the second clutch 602 and the second brake clutch 605 are engaged, a split drive mode is established. The electric drive power flow is: the motor rotor 302 rotates by the electromagnetic force of the motor stator 301, driving the first planetary sun gear 401 → the first carrier 404; the first power flow of the engine is: the engine 1 drives the engine output shaft 2 to drive the first planetary gear 403 to rotate; two power flows converge through the first planetary gear set 4 to drive the second clutch 602 and the second planet pinion 502. The two power flows are merged through the second planetary gear set 5, and the vehicle is driven to run by the output power of the output assembly 7.
Fifthly, gear shifting: when the second clutch 602 and the first brake 603 are engaged, a split drive mode is established. The electric drive power flow is: the motor rotor 302 rotates by the electromagnetic force of the motor stator 301, driving the first planetary sun gear 401; the first power flow of the engine is: the engine 1 drives the engine output shaft 2 to drive the first planetary gear 403 to rotate; the two power flows converge through the first planetary gear set 4, through the first carrier 404 → the second clutch 602 → the second planet pinion and sun gear 502 into the second planetary gear set 5; the two power are summarized, and the vehicle is driven to run through the output assembly 7 by the output power of the second planetary gear ring 506.
A sixth gear: when the first clutch 601 and the second clutch 602 are engaged, a split drive mode is formed. The electric drive power flow is: the motor rotor 302 rotates by the electromagnetic force of the motor stator 301, driving the first planetary sun gear 401 → the first carrier 404; the first power flow of the engine is: the engine 1 drives the engine output shaft 2 to drive the first planetary gear 403 to rotate; two power flows converge through the first planetary gear set 4 to drive the first clutch 601, the second clutch 602, the second planet large sun gear 501 and the second planet small sun gear 502. The two power flows are merged through the second planetary gear set 5, and the vehicle is driven to run by the output power of the output assembly 7.
In the motor and engine split driving mode, the motor can adjust the output rotation speed of the second planetary gear set 5, so that the engine always works in the fuel saving region, and meanwhile, the motor can enter the charging mode.
According to the invention, the third brake clutch is arranged on the engine output shaft far away from one end of the engine and is used for braking the engine output shaft, and the pure electric motor driving mode can be realized by controlling the engagement of the third brake clutch. According to the invention, the number of the gear shifting executing elements is reduced on the basis of the existing scheme, and the gear shifting executing elements for gear shifting only comprise five of the first clutch, the second clutch, the first brake clutch, the second brake clutch and the third brake clutch, so that the gear shifting operation is simpler, and the gear shifting executing efficiency and the gear shifting quality are improved. The invention is suitable for a plug-in hybrid power scheme, has compact and simple structure, can be produced by modifying the original production line, adopts a pure electric mode at low speed and adopts a shunt mode at medium and high speed, and can meet different driving requirements.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The hybrid power driving device of the automobile is characterized by comprising an engine (1), a motor (3) arranged on the same axis with an engine output shaft (2), a first planetary gear set (4) and a second planetary gear set (5), wherein a plurality of gear shifting executing elements (6) are arranged on the outer sides of the first planetary gear set (4) and the second planetary gear set (5);
the gear shifting executing element (6) comprises a first clutch (601), a second clutch (602) and a third brake clutch (606); the first planetary gear set (4) comprises a first planet ring gear (403) and a first planet carrier (404); the first planet gear ring (403) is connected with the engine output shaft (2) into a whole, the first planet carrier (404) is connected to the second planetary gear set (5) via the first clutch (601) and a second clutch (602), the third brake clutch (606) is disposed at an end remote from the engine (1), the driving end of the third brake clutch (606) is selectively connected with the engine output shaft (2), the passive end of the third brake clutch (606) is fixed to the transmission housing (8), the third brake clutch (606) is used for releasing or braking the engine output shaft (2), the motor (3) and the engine (1) are matched with different gear shifting executing elements (6) through the third brake clutch (606) to realize power output of different driving modes and various gears.
2. A hybrid drive for a motor vehicle according to claim 1, characterized in that the shift actuator (6) further comprises a first brake clutch (603) and a second brake clutch (605), the first brake clutch (603) being arranged outside the first clutch (601) for braking the second planetary sun gear (501), the active end of the second brake clutch (605) being selectively connected to the second planet carrier (505), the passive ends of the first brake clutch (603) and the second brake clutch (605) being fixed to the drive housing (8).
3. The hybrid drive device of claim 2, wherein the shift actuator (6) further comprises a one-way clutch (604), an active end of the one-way clutch (604) is connected with the second planet carrier (505), a passive end of the one-way clutch (604) is fixed on the drive device housing (8), and the one-way clutch (604) is used for preventing the second planet carrier (505) from rotating counterclockwise.
4. A hybrid drive for a motor vehicle according to claim 1, characterized in that the first planetary gear set (4) further comprises a first planetary sun gear (401) and a first planetary pinion (402);
the first planet sun gear (401) is connected with a motor rotor (302);
the first planet pinion (402) is supported on the first planet carrier (404) by bearings, the first planet pinion (402) meshing with the first planet sun (401) and the first planet ring (403), respectively.
5. A hybrid drive for a vehicle according to claim 3, characterized in that said second planetary gear set (5) comprises a second big planetary sun gear (501), a second small planetary sun gear (502), a second pinion (503), a second long planetary gear (504), a second planet carrier (505) and a second planet ring gear (506);
the second planet big sun gear (501) is connected with the driven end of the first clutch (601) through the brake drum of the first brake clutch (603);
the second planet small sun gear (502) is connected with the driven end of the second clutch (602);
the second planet pinion (503) is supported on the second planet carrier (505) by a bearing, the second planet pinion (503) meshing with the second planet pinion sun gear (502) and the second planet long gear (504);
the second planet long gear (504) is supported on the second planet carrier (505) through a bearing, and the second planet long gear (504) is meshed with the second planet ring gear (506) and the second planet big sun gear (501);
one end of the second planet carrier (505) supports the second planet pinion (503) and the second planet long gear (504), and the other end of the second planet carrier (505) is connected with the driving ends of the one-way clutch (604) and the second brake clutch (605);
the second planetary ring gear (506) is connected with an output gear (701).
6. A hybrid drive for a vehicle according to claim 1, further comprising an output assembly (7), said output assembly (7) comprising an output gear (701), a first intermediate gear (702), a second intermediate gear (703), an output shaft (704) and a differential driven gear (705), said first intermediate gear (702) and said second intermediate gear (703) being arranged on said output shaft (704), said output gear (701) being arranged between said first planetary gear set (4) and said second planetary gear set (5), said output gear (701) being in mesh with said first intermediate gear (702), said second intermediate gear (703) being in mesh with said differential driven gear (705), said differential driven gear (705) outputting power.
7. A hybrid drive for a vehicle according to claim 1, characterized in that the electric machine (3) comprises a machine stator (301) and a machine rotor (302), the machine stator (301) being fixed to the drive housing (8).
8. A hybrid vehicle drive according to claim 5, characterized in that the output of the engine (1) is also provided with a dual mass flywheel (9), said dual mass flywheel (9) being used to start and transmit the rotational torque of the engine (1) and to increase the rotational inertia of the drive.
9. A hybrid vehicle drive as claimed in claim 1, wherein the drive is adapted to implement different modes including a motor-only drive mode and an engine drive mode, suitable for plug-in hybrid vehicles.
10. A motor vehicle comprising a body, a chassis and a hybrid drive as claimed in any one of claims 1 to 9, characterized in that the hybrid drive is arranged on the chassis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911304648.7A CN111055669A (en) | 2019-12-17 | 2019-12-17 | Automobile hybrid power driving device and automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911304648.7A CN111055669A (en) | 2019-12-17 | 2019-12-17 | Automobile hybrid power driving device and automobile |
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| CN111055669A true CN111055669A (en) | 2020-04-24 |
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| CN201911304648.7A Pending CN111055669A (en) | 2019-12-17 | 2019-12-17 | Automobile hybrid power driving device and automobile |
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| CN112406512A (en) * | 2020-10-29 | 2021-02-26 | 东风汽车集团有限公司 | Hybrid power driving method and device, power system, vehicle and related equipment |
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Application publication date: 20200424 |