CN110774883A - Dual-motor hybrid power system for vehicle - Google Patents
Dual-motor hybrid power system for vehicle Download PDFInfo
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- CN110774883A CN110774883A CN201911232668.8A CN201911232668A CN110774883A CN 110774883 A CN110774883 A CN 110774883A CN 201911232668 A CN201911232668 A CN 201911232668A CN 110774883 A CN110774883 A CN 110774883A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a double-motor hybrid power system for a vehicle, wherein a first motor and a second motor are all arranged at a transmission end, the axial size of the double-motor hybrid power system is shorter than that of the double-motor hybrid power system in the prior art, the double-motor hybrid power system can adapt to the arrangement of a three-cylinder four-cylinder machine cabin in the mainstream of the market, and can adapt to more vehicles. The system comprises two motors and a plurality of gears, the motor is used for supplementing torque in the gear shifting process, power cannot be interrupted, and the superior driving performance is improved.
Description
Technical Field
The invention belongs to the field of hybrid power, and particularly relates to a dual-motor hybrid power system for a vehicle.
Prior Art
With the increasing shortage of petroleum supply and the increasing increase of environmental pollution, the development and utilization of new energy vehicles have gradually become a trend. The hybrid electric vehicle in the new energy vehicle can be driven by the engine 22 or the motor of the engine 22 at the same time, and has multiple driving modes, so that the engine 22 and the motor can operate in a high-efficiency region as far as possible, and the hybrid electric vehicle has good fuel economy and low emission. The problem of power cut-off and gear shift exists in double-power switching of an engine and a motor, so that a hybrid power system with smooth and uninterrupted power switching and compact structure is needed to be developed, the gear shifting comfort is improved, and the vehicle is ensured to have good power performance and gear shifting characteristics.
Disclosure of Invention
The double-motor hybrid power system for the vehicle disclosed by the invention has the advantages of smooth power switching, no interruption, compact structure and improvement on gear shifting comfort.
The invention also discloses a vehicle adopting the double-motor hybrid power system, the power switching is smooth and uninterrupted, the structure is compact, and the gear shifting comfort is improved.
The invention discloses a dual-motor hybrid power system for a vehicle, which comprises an engine, a clutch, a transmission, a first motor and a second motor, wherein the engine is connected with the clutch;
the transmission includes: the device comprises an input shaft, an intermediate shaft, a differential, a synchronizer group, an intermediate shaft gear set, an input shaft gear set, a normally meshed gear, a first gear transmission mechanism and a second gear transmission mechanism;
an input shaft gear set is fixed on the input shaft; an intermediate shaft gear set is arranged on the intermediate shaft in a hollow manner, and a synchronizer group and a normally meshed gear are fixedly arranged; the input shaft gear set is meshed with the intermediate shaft gear set, the synchronizer group switches and combines all levels of gear gears of the intermediate shaft gear set, and the normally meshed gear is meshed with an input gear of the differential;
the engine transmits power to the input shaft through the clutch;
the first motor is fixedly connected with a first motor output gear, and the second motor is fixedly connected with a second motor output gear; a first motor output gear of the first motor transmits power to the intermediate shaft through a first gear transmission mechanism; and a second motor output gear of the second motor transmits power to the input shaft through a second gear transmission mechanism.
Furthermore, the first gear transmission mechanism comprises a first motor input gear, a fixedly connected motor synchronizer and a first motor intermediate gear, wherein the first motor input gear is sleeved on the intermediate shaft in an empty way; the first motor output gear is meshed with a first motor intermediate gear, and the first motor intermediate gear is meshed with a first motor input gear;
furthermore, the second gear transmission mechanism comprises a second motor input gear fixedly connected to the input shaft and a second motor intermediate gear; the second motor output gear is meshed with a second motor intermediate gear, and the second motor intermediate gear is meshed with a second motor input gear;
furthermore, the intermediate shaft gear set on the intermediate shaft is a four-gear intermediate shaft gear, a three-gear intermediate shaft gear, a two-gear intermediate shaft gear and a one-gear intermediate shaft gear which are arranged in an empty way from left to right in sequence; the synchronizer group comprises a first synchronizer and a second synchronizer which are fixed on the intermediate shaft; the first synchronizer is switched between a fourth-gear intermediate shaft gear and a third-gear intermediate shaft gear; the second synchronizer is switched between a second-gear intermediate shaft gear and a first-gear intermediate shaft gear;
further, the input shaft gear set on the input shaft is a four-gear input shaft gear, a three-gear input shaft gear, a two-gear input shaft gear and a first-gear input shaft gear which are fixedly arranged from left to right; the four-gear input shaft gear is meshed with the four-gear intermediate shaft gear; the third-gear input shaft gear is meshed with the third-gear intermediate shaft gear; the second-gear input shaft gear is meshed with the second-gear intermediate shaft gear; the first-gear input shaft gear is meshed with the first-gear intermediate shaft gear.
The control module controls the first motor and the second motor to rotate or stop;
further, the engine is a three-cylinder or four-cylinder engine;
further, the clutch is a single clutch.
The invention also discloses a vehicle adopting the dual-motor hybrid power system.
The beneficial technical effects of the invention are as follows:
1) the first motor and the second motor are all arranged at the transmission end, the axial size is shorter than that of a double-motor hybrid power system in the prior art, the three-cylinder four-cylinder engine room arrangement can adapt to market mainstream, and more vehicles can be adapted.
2) Including two motors, a plurality of gear, mend through the motor and turn round at the in-process of shifting, power can not break off, increases the driving performance superior sense.
Drawings
Fig. 1 is a structural view of a dual motor hybrid system for a vehicle according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The invention discloses a dual-motor hybrid power system for a vehicle, which comprises an engine 22, a clutch 21, a transmission, a control module, a first motor 1 and a second motor 10.
The transmission includes: input shaft 5, jackshaft 24, differential 25, synchronizer group, jackshaft gear set, input shaft gear set, constant mesh gear 20, first gear drive and second gear drive.
An input shaft gear set is fixed on the input shaft 5; a countershaft gear set is arranged on the countershaft 24 in a hollow manner, and a synchronizer group and a normally meshed gear are fixedly arranged; the input shaft gear set is meshed with the intermediate shaft gear set, the synchronizer group switches and combines all levels of gear gears of the intermediate shaft gear set, and the normally meshed gear is meshed with an input gear of the differential 25;
the engine 22 transmits power to the input shaft 5 through the clutch 21;
the first motor 1 is fixedly connected with a first motor output gear 2, and the second motor 10 is fixedly connected with a second motor output gear 11; the first motor output gear 2 of the first motor 1 transmits power to the intermediate shaft 24 through a first gear transmission mechanism; a second motor output gear 11 of the second motor 10 transmits power to the input shaft 5 through a second gear transmission mechanism.
The first gear transmission mechanism comprises a first motor input gear 23, a fixedly connected motor synchronizer 4 and a first motor intermediate gear 3 which are sleeved on the intermediate shaft 24; the first motor output gear 2 is meshed with the first motor intermediate gear 3, and the first motor intermediate gear 3 is meshed with the first motor input gear 23;
the second gear transmission mechanism comprises a second motor input gear 13 and a second motor intermediate gear 12 which are fixedly connected on the input shaft 5; the second motor output gear 11 is meshed with a second motor intermediate gear 12, and the second motor intermediate gear 12 is meshed with a second motor input gear 13;
the intermediate shaft gear set on the intermediate shaft 24 is a four-gear intermediate shaft gear 14, a three-gear intermediate shaft gear 16, a two-gear intermediate shaft gear 17 and a first-gear intermediate shaft gear 19 which are arranged in an empty sleeve mode from left to right; the synchronizer group comprises a first synchronizer 15 and a second synchronizer 18 fixed on the intermediate shaft 24; the first synchronizer is switched between a fourth-gear intermediate shaft gear and a third-gear intermediate shaft gear; the second synchronizer is switched between the gear of the second-gear intermediate shaft and the gear of the first-gear intermediate shaft;
the input shaft gear set on the input shaft 5 is a four-gear input shaft gear 6, a three-gear input shaft gear 7, a two-gear input shaft gear 8 and a first-gear input shaft gear 9 which are fixedly arranged from left to right; a fourth-gear input shaft gear is meshed with a fourth-gear intermediate shaft gear; the gear of the third-gear input shaft is meshed with the gear of the third-gear intermediate shaft; the second-gear input shaft gear is meshed with the second-gear intermediate shaft gear; the first-gear input shaft gear is meshed with the first-gear intermediate shaft gear.
The control module controls the first motor and the second motor to rotate or stop;
the engine 22 is a three-cylinder or four-cylinder engine, and the clutch 21 is a single clutch.
The invention also discloses a vehicle adopting the dual-motor hybrid power system for the vehicle.
The manner of control of the two-motor hybrid system for a vehicle will be described below:
pure electric mode:
the clutch 21 is in the open state, the engine 22 and the second electric machine 10 are stopped, the first electric machine 1 transmits torque to the intermediate shaft 24, the electric machine synchronizer and the first electric machine input gear 23 on the intermediate shaft 24 are in the engaged state, and the torque of the first electric machine 1 is transmitted to the intermediate shaft 24 and the differential 25 through the first electric machine input gear 23 and the electric machine synchronizer.
The clutch 21 is in the open state, the engine 22 stops running, the first electric machine 1 transmits torque to the intermediate shaft 24, at this time, the electric machine synchronizer and the first electric machine input gear 23 on the intermediate shaft 24 are in the engaged state, and the torque of the first electric machine 1 is transmitted to the intermediate shaft 24 and the differential 25 through the electric machine gear and the electric machine synchronizer. Corresponding gear gears and synchronizers of a synchronizer group and an intermediate shaft gear group on the transmission are in an engaged state, and the second motor 10 transmits torque to the differential 25 from the input shaft 5 and the intermediate shaft 24 through the second gear transmission mechanism and the engaged gear gears and synchronizers.
Engine only mode:
the motor synchronizer 4 on the intermediate shaft 24 is disconnected, the motor gear is in an idle state, the first motor 1 and the second motor 10 stop running, the corresponding gear gears and synchronizers of the synchronizer group on the transmission and the intermediate shaft gear group are in an engaged state, the engine 22 transmits torque to the input shaft 5, and the torque on the input shaft 5 is transmitted to the intermediate shaft 24 and the differential 25 through the engaged gear gears. The engine 22 transmits torque to the second electric machine 10 so that the second electric machine 10 charges the battery.
The first motor input gear 23 and the motor synchronizers on the countershaft 24 are engaged, the corresponding gear gears and synchronizers of the synchronizer group and the countershaft range gear group on the transmission are engaged, the engine 22 transmits torque to the input shaft 5, and the torque on the input shaft 5 is transmitted to the countershaft 24 and the differential 25 through the engaged range gears. The engine 22 transmits torque to the second electric machine 10 so that the second electric machine 10 charges the battery; the torque of the engine 22 is transmitted to the first electric motor 1 through the first motor input gear 23 and the first gear transmission mechanism, so that the first electric motor 1 charges the battery.
Mixing mode:
the clutch 21 is engaged and the first synchronizer 15 and the second synchronizer 18 are disconnected from the corresponding gear, so that all the gears are in an idle state and do not transmit torque. The engine 22, the first electric machine 1 and the second electric machine 10 are all in an operating state. The engine 22 transmits torque to the second electric machine 10 so that the second electric machine 10 charges the battery. The first electric machine 1 is driven by transmitting torque to an intermediate shaft 24 and a differential 25.
The clutch 21 is engaged, the engine 22, the first motor 1 and the second motor 10 are all in an operating state, the first synchronizer 15, the second synchronizer 18 and corresponding gear gears are all in an engaged state, the engine 22 and the second motor 10 transmit torque to the input shaft 5 at the same time, the torque on the input shaft 5 is transmitted to the intermediate shaft 24 and the differential 25 through the engaged gear gears, the first motor 1 transmits the torque to the intermediate shaft 24, at the moment, the motor synchronizer 4 and the first motor input gear 23 on the intermediate shaft 24 are in an engaged state, and the torque of the first motor 1 is transmitted to the intermediate shaft 24 and the differential 23 through the first motor input gear 23 and the motor synchronizer 4. The second electric machine 10 transmits torque to the input shaft 5.
The clutch 21 is engaged, the engine 22 and the first motor 1 are both in an operating state, the first synchronizer 15, the second synchronizer 18 and the corresponding gear are all in an engaged state, wherein the engine 22 transmits torque to the input shaft 5, the torque on the input shaft 5 is transmitted to the intermediate shaft 24 and the differential 25 through the engaged gear, the first motor 1 transmits torque to the intermediate shaft 24, the motor synchronizer and the first motor input gear 23 on the intermediate shaft 24 are in an engaged state at the moment, and the torque of the first motor 1 is transmitted to the intermediate shaft 24 and the differential 25 through the first motor input gear 23 and the motor synchronizer. The engine 22 transmits torque to the second electric machine 10, and the second electric machine 10 charges the battery;
energy recovery:
the clutch 21 is disconnected, the engine 22 and the second motor 10 stop operating, the first motor input gear 23 and the motor synchronizer 4 on the intermediate shaft 24 are in an engaged state, the first synchronizer 15 and the second synchronizer 18 are disconnected from corresponding gear gears, the first motor 1 is in an operating state, and the differential 25 transmits torque to the first motor 1 through the intermediate shaft 24 and the first gear transmission mechanism, so that the first motor 1 charges a battery.
The clutch 21 is disconnected, the engine 22 stops running, the first motor gear 23 and the motor synchronizer on the intermediate shaft 24 are in an engaged state, the first synchronizer 15 or the second synchronizer 18 and the corresponding gear are in an engaged state, the first motor 1 is in a running state, and the differential 23 transmits torque to the first motor 1 through the intermediate shaft 24 and the first gear transmission mechanism, so that the first motor 1 charges the battery. The second electric machine 10 is in operation and the differential 25 transmits torque to the second electric machine 10 via the intermediate shaft 24, the input shaft 5 and the second gear mechanism, so that the second electric machine 10 charges the battery.
The clutch 21 is disconnected, the engine 22 stops running, the first motor gear 23 and the motor synchronizer on the intermediate shaft 24 are in an engaged state, the first synchronizer 15 or the second synchronizer 18 and the corresponding gear are in an engaged state, the first motor 1 is in a running state, and the differential 25 transmits torque to the first motor 1 through the intermediate shaft 24 and the first gear transmission mechanism, so that the first motor 1 charges the battery. The second electric machine 10 is in operation and the differential 25 transmits torque to the second electric machine 10 via the intermediate shaft 24 gear, the input shaft 5 and the second gear transmission, so that the second electric machine 10 charges the battery.
Starting the engine:
the clutch 21 is engaged, the first electric machine 1 is stopped, and the engine 22 is started by the second electric machine 10. Or
The clutch 21 is engaged, the first electric machine 1 stops operating, the first synchronizer 15 or the second synchronizer 18 on the intermediate shaft 24 and the corresponding gear are both in an engaged state, the second electric machine 10 operates, the second electric machine 10 transmits torque to the engine 22 through the intermediate shaft 24 and the input shaft 5, starts the engine 22, and simultaneously transmits torque to the input shaft 5, the intermediate shaft 24 and the differential 25 for driving.
Or
The clutch 21 is engaged, the first electric machine 1 is operated, the first electric machine gear 23 on the intermediate shaft 24 is engaged with the electric machine synchronizer, the first synchronizer 15 or the second synchronizer 18 on the intermediate shaft 24 and the corresponding gear are both in an engaged state, the first electric machine 1 transmits torque to the engine 22 through the intermediate shaft 24 and the input shaft 5, starts the engine 22, simultaneously transmits torque to the intermediate shaft 24 and the differential 25 for driving, and transmits torque to the second electric machine 10, so that the second electric machine 10 charges the battery. Or
The clutch 21 is engaged, the first electric machine 1 is operated, the second electric machine 10 is operated, the first electric machine gear and the synchronizer are engaged on the intermediate shaft 24, the first synchronizer 15 or the second synchronizer 18 on the intermediate shaft 24 and the corresponding gear are in an engaged state, the first electric machine 1 transmits torque to the engine 22 through the intermediate shaft 24 and the input shaft 5, starts the engine 22 and simultaneously transmits the torque to the intermediate shaft 24 and the differential 25 for driving, and the second electric machine 10 simultaneously transmits the torque to the input shaft 5, the intermediate shaft 24 and the differential 25 for driving and starting the engine 22.
Gear shifting:
the first motor 1 transmits torque to the intermediate shaft 24 and the differential 25 for driving, the clutch 21 is in a separation state, a gear to be engaged of the transmission is engaged with a synchronizer to be engaged, and at the moment, the dual-motor hybrid power system for the vehicle is free of power interruption in the gear shifting process, so that the gear shifting performance of the whole vehicle is improved.
Claims (9)
1. A dual motor hybrid system for a vehicle, characterized by: the hybrid power transmission device comprises an engine (22), a clutch (21), a transmission, a first motor (1) and a second motor (10);
the transmission includes: the device comprises an input shaft (5), an intermediate shaft (24), a differential (25), a synchronizer group, an intermediate shaft gear set, an input shaft gear set, a constant mesh gear (20), a first gear transmission mechanism and a second gear transmission mechanism;
an input shaft gear set is fixed on the input shaft (5); a countershaft gear set, a synchronizer group and a constant mesh gear (20) are arranged on the countershaft (24) in a hollow way; the input shaft gear set is meshed with the intermediate shaft gear set, the synchronizer group switches and combines all levels of gear gears of the intermediate shaft gear set, and the normally meshed gear (20) is meshed with an input gear of a differential (25);
the engine (22) transmits power to the input shaft (5) through the clutch (21);
the first motor (1) is fixedly connected with a first motor output gear (2), and the second motor (10) is fixedly connected with a second motor output gear (11); a first motor output gear (2) of the first motor (1) transmits power to an intermediate shaft (24) through a first gear transmission mechanism; and a second motor output gear (11) of the second motor (10) transmits power to the input shaft (5) through a second gear transmission mechanism.
2. The dual motor hybrid system for a vehicle according to claim 1, wherein: the first gear transmission mechanism comprises a first motor input gear (23) which is sleeved on the intermediate shaft (24), a motor synchronizer (4) which is fixedly connected and a first motor intermediate gear (3); the first motor output gear (2) is meshed with the first motor intermediate gear (3), and the first motor intermediate gear (3) is meshed with the first motor input gear (23).
3. The dual motor hybrid system for a vehicle according to claim 2, wherein: the second gear transmission mechanism comprises a second motor input gear (13) and a second motor intermediate gear (12), wherein the second motor input gear (13) is fixedly connected to the input shaft (5); the second motor output gear (11) is meshed with a second motor intermediate gear (12), and the second motor intermediate gear (12) is meshed with a second motor input gear (13).
4. The dual motor hybrid system for a vehicle according to claim 3, wherein: the intermediate shaft gear set on the intermediate shaft (24) is a four-gear intermediate shaft gear (14), a three-gear intermediate shaft gear (16), a two-gear intermediate shaft gear (17) and a first-gear intermediate shaft gear (19) which are arranged in an empty way from left to right in sequence; the group of synchronizers comprises a first synchronizer (15) and a second synchronizer (18) fixed on the intermediate shaft (24); the first synchronizer (15) is switched between a fourth-gear countershaft gear (14) and a third-gear countershaft gear (16); the second synchronizer (18) is switched between the second-gear countershaft range gear (17) and the first-gear countershaft range gear (19).
5. The dual motor hybrid system for a vehicle according to claim 4, wherein: the input shaft gear set on the input shaft (5) is a four-gear input shaft gear (6), a three-gear input shaft gear (7), a two-gear input shaft gear (8) and a one-gear input shaft gear (9) which are fixedly arranged from left to right; the four-gear input shaft gear is meshed with the four-gear intermediate shaft gear; the third-gear input shaft gear is meshed with the third-gear intermediate shaft gear; the second-gear input shaft gear is meshed with the second-gear intermediate shaft gear; the first-gear input shaft gear is meshed with the first-gear intermediate shaft gear.
6. The dual motor hybrid system for a vehicle according to claim 5, wherein: the control module controls the first motor and the second motor to rotate or stop.
7. The dual motor hybrid system for a vehicle according to claim 6, wherein: the engine (22) is a three-cylinder or four-cylinder engine.
8. The dual motor hybrid system for a vehicle according to claim 7, wherein: the clutch (21) is a single clutch.
9. A vehicle employing the two-motor hybrid system according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232668.8A CN110774883A (en) | 2019-12-05 | 2019-12-05 | Dual-motor hybrid power system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232668.8A CN110774883A (en) | 2019-12-05 | 2019-12-05 | Dual-motor hybrid power system for vehicle |
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| Publication Number | Publication Date |
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| CN110774883A true CN110774883A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911232668.8A Pending CN110774883A (en) | 2019-12-05 | 2019-12-05 | Dual-motor hybrid power system for vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230456A (en) * | 2022-09-15 | 2022-10-25 | 绵阳富临精工股份有限公司 | Dual-motor hybrid power system |
| CN115431748A (en) * | 2021-06-03 | 2022-12-06 | 上海汽车集团股份有限公司 | Dual-motor hybrid transmission, hybrid transmission system and vehicle |
-
2019
- 2019-12-05 CN CN201911232668.8A patent/CN110774883A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431748A (en) * | 2021-06-03 | 2022-12-06 | 上海汽车集团股份有限公司 | Dual-motor hybrid transmission, hybrid transmission system and vehicle |
| CN115230456A (en) * | 2022-09-15 | 2022-10-25 | 绵阳富临精工股份有限公司 | Dual-motor hybrid power system |
| CN115230456B (en) * | 2022-09-15 | 2022-12-09 | 绵阳富临精工股份有限公司 | Dual-motor hybrid power system |
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