CN112013085A - Hybrid power gearbox, drive assembly, control method and vehicle - Google Patents
Hybrid power gearbox, drive assembly, control method and vehicle Download PDFInfo
- Publication number
- CN112013085A CN112013085A CN202010833885.9A CN202010833885A CN112013085A CN 112013085 A CN112013085 A CN 112013085A CN 202010833885 A CN202010833885 A CN 202010833885A CN 112013085 A CN112013085 A CN 112013085A
- Authority
- CN
- China
- Prior art keywords
- input shaft
- gear
- synchronizer
- hybrid
- drive gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
-
- 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
- B60K6/44—Series-parallel type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/001—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion convertible for varying the gear-ratio, e.g. for selecting one of several shafts as the input shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a hybrid power gearbox, a drive assembly, a control method and a vehicle, wherein the hybrid power gearbox comprises a first input shaft, a second input shaft, an output shaft, a multi-gear pair and a synchronizer, the first input shaft is used for being in transmission connection with an engine, the engine is in transmission connection with a first motor, the second input shaft is used for being in transmission connection with a second motor, the output shaft is parallel to the first input shaft and the second input shaft, is arranged side by side and is used for being in transmission connection with wheels, the multi-gear pair is arranged between the first input shaft and the output shaft and between the second input shaft and the output shaft, and the synchronizer is selectively in transmission connection with one gear or more gears in the multi-gear pair so as to realize the transmission connection of the first input shaft and the output shaft and/or the second input shaft and the output shaft. The hybrid power gearbox provided by the invention realizes the coupling between the wheels and different power sources by adopting the connection action of the synchronizer, does not need a clutch or a planetary gear, and has the advantages of low system cost, compact structure and small occupied space.
Description
Technical Field
The invention relates to the field of automobile production, in particular to a hybrid power transmission, a drive assembly, a control method and a vehicle.
Background
In recent years, increasingly stringent emission regulations and oil consumption regulations push the automobile industry to make efforts to develop various energy-saving and emission-reducing technologies, and new energy pure electric vehicles, plug-in hybrid power vehicles, extended range hybrid power vehicles, non-plug-in hybrid power vehicles and weak hybrid power vehicles are pushed out to meet the automobile markets with different levels and different power requirements. While meeting regulations, the automotive industry is also seeking low complexity, low cost hybrid systems to accommodate market competition. The common double-motor hybrid system in the market at present mainly realizes the power coupling and decoupling of an engine and a motor through a planet wheel or a clutch.
However, a plurality of power sources in the planetary gear transmission mechanism are connected through the planetary gear all the time and cannot be disconnected, and independent driving of the engine cannot be realized at medium and high speed, so that the efficiency is low, and the defects of high rotating speed and high noise of the engine at high speed exist due to speed ratio limitation. The clutch transmission mechanism has the defects of high manufacturing cost, large occupied volume and unfavorable space utilization in the vehicle.
Disclosure of Invention
The invention mainly aims to provide a hybrid power transmission, a drive assembly, a control method and a vehicle, and aims to provide a transmission mechanism which is applied to a hybrid power system and has low cost, compact structure and good coupling effect.
To achieve the above object, the present invention provides a hybrid transmission, including:
the first input shaft is fixedly provided with a first connecting gear, the first input shaft is used for being in transmission connection with an engine, and the first connecting gear is used for being in transmission connection with a first motor;
the second input shaft is parallel to the first input shaft and is used for being in transmission connection with a second motor;
the output shaft is parallel to the first input shaft and the second input shaft and is arranged side by side, and one end, far away from the first input shaft and the second input shaft, of the output shaft is used for being in transmission connection with wheels;
the multi-gear pair comprises a plurality of driving gears fixedly arranged on the first input shaft and the second input shaft and a plurality of transmission gears fixedly arranged on the output shaft, and the driving gears are meshed with the transmission gears in a one-to-one correspondence manner; and the number of the first and second groups,
the synchronizer is arranged on the first input shaft, the second input shaft and/or the output shaft, and can be selectively in transmission connection with one or more gears in the multi-gear pair so as to realize the transmission connection between the first input shaft and the output shaft and/or between the second input shaft and the output shaft.
In one embodiment, the synchronizer is provided at the output shaft for selective driving connection with one or more of the plurality of transmission gears.
In an embodiment, the plurality of driving gears include a first driving gear and a second driving gear which are arranged on the first input shaft, the plurality of driving gears include a first transmission gear and a second transmission gear which are arranged on the output shaft, the first driving gear is meshed with the first transmission gear, the second driving gear is meshed with the second transmission gear, the synchronizer includes a first synchronizer which is arranged between the first transmission gear and the second transmission gear, and the first synchronizer has a first intermediate position which is decoupled from the first transmission gear and the second transmission gear, a first position which is in transmission connection with the first transmission gear, and a second position which is in transmission connection with the second transmission gear.
In an embodiment, the first input shaft has a driving end for driving connection with the engine, and the first driving gear and the second driving gear are disposed on a side of the first connecting gear away from the driving end.
In an embodiment, the plurality of driving gears include a third driving gear and a fourth driving gear which are arranged on the second input shaft, the plurality of driving gears include a third driving gear and a fourth driving gear which are arranged on the output shaft, the third driving gear is meshed with the third driving gear, the fourth driving gear is meshed with the fourth driving gear, the synchronizer includes a second synchronizer which is arranged between the third driving gear and the fourth driving gear, and the second synchronizer has a second middle position which is decoupled from the third driving gear and the fourth driving gear, a third position which is in transmission connection with the third driving gear, and a fourth position which is in transmission connection with the fourth driving gear.
In one embodiment, a first bevel gear is fixedly arranged at one end of the output shaft, which is far away from the first input shaft and the second input shaft, the first bevel gear is used for being meshed with a second bevel gear, and the second bevel gear is in transmission connection with the wheels through a differential.
The present invention also provides a hybrid drive assembly comprising:
the hybrid transmission as described above;
the engine is in transmission connection with the first input shaft;
the driving end of the first motor is provided with a second connecting gear, and the second connecting gear is meshed with the first connecting gear; and the number of the first and second groups,
and the second motor is in transmission connection with the second input shaft.
In an embodiment, the hybrid drive assembly further includes a rotation speed sensor and a controller, the rotation speed sensor is disposed on the first motor, the second motor, the engine and the output shaft, and the controller is electrically connected to the rotation speed sensor and the synchronizer to control the synchronizer to perform a connection action according to a detection result of the rotation speed sensor.
The invention also provides a vehicle comprising the hybrid power driving assembly.
The present invention also provides a control method of a hybrid drive assembly, the hybrid drive assembly comprising:
a hybrid transmission as above;
the engine is in transmission connection with the first input shaft;
the driving end of the first motor is provided with a second connecting gear, and the second connecting gear is meshed with the first connecting gear; and the number of the first and second groups,
the second motor is in transmission connection with the second input shaft;
the control method of the hybrid power drive assembly comprises the following steps:
acquiring the current working condition of the vehicle, wherein the current working condition of the vehicle comprises the rotating speeds of the first motor, the second motor, the engine and the output shaft;
selecting a hybrid mode of a hybrid power driving assembly according to the current working condition of the vehicle;
when the hybrid mode is pure electric drive, the first synchronizer is controlled to be located at the first middle position, the second synchronizer is located at the third position or the fourth position, and the first motor and the engine are stopped;
when the hybrid mode is series driving, the first synchronizer is controlled to be located at the first middle position, the second synchronizer is located at the third position or the fourth position, and the engine drives the first motor to generate power;
when the hybrid mode is directly driven by the engine, controlling the first synchronizer to be located at the first position or the second position, and controlling the second synchronizer to be located at the middle position;
and when the hybrid mode is parallel driving, controlling the first synchronizer to be located at the first position or the second position, and controlling the second synchronizer to be located at the third position or the fourth position.
The invention provides a hybrid power gearbox which comprises a first input shaft, a second input shaft, an output shaft, a multi-gear pair and a synchronizer, wherein the first input shaft is used for being in transmission connection with an engine, the engine is in transmission connection with a first motor, the second input shaft is used for being in transmission connection with a second motor, the output shaft is parallel to the first input shaft and the second input shaft, is arranged side by side and is used for being in transmission connection with wheels, the multi-gear pair is arranged between the first input shaft and the output shaft and between the second input shaft and the output shaft, and the synchronizer is selectively in transmission connection with one gear or more gears in the multi-gear pair so as to realize the transmission connection of the first input shaft and the output shaft and/or between the second input shaft and the output shaft. The hybrid power gearbox provided by the invention realizes coupling and decoupling among the wheels, the engine and the second motor by adopting a mode of controlling the connection action of the synchronizer, does not need to adopt a clutch or a planetary gear, and has the advantages of high coupling efficiency, low system cost, compact structure and small occupied space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a transmission structure of an embodiment of a hybrid drive assembly provided in the present invention;
FIG. 2 is a schematic block diagram of the control system of the hybrid drive assembly of FIG. 1;
FIG. 3 is a flow chart illustrating a method of controlling the hybrid drive assembly of FIG. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
41 | |
| 10 | |
42 | |
| 11 | |
43 | |
| 12 | |
44 | |
| 21 | First connecting |
50 | Synchronizer |
| 22 | Second connecting |
51 | |
| 23 | |
52 | |
| 24 | |
60 | |
| 20 | Differential gear | 61 | Rotating speed sensor |
| 31 | A |
200 | |
| 32 | The |
201 | |
| 33 | |
202 | Second |
| 34 | The |
300 | Wheel of vehicle |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a vehicle which is driven by a hybrid power system. Specifically, the vehicle has a hybrid drive assembly, and referring to fig. 1, the hybrid drive assembly includes a hybrid transmission 100 and three power sources including an engine 200, a first electric machine 201, and a second electric machine 202. In one embodiment, referring to fig. 2, the hybrid drive assembly further includes a controller 60, the controller 60 is capable of obtaining the current operating condition of the vehicle, in one embodiment, the current operating condition of the vehicle includes a vehicle speed, a battery state of charge SOC, an accelerator opening, a brake pedal opening, a driver hybrid mode switch signal, and the like, and the controller 60 selects the hybrid mode of the hybrid drive assembly according to the current operating condition of the vehicle. In an embodiment, the hybrid drive assembly further includes a rotation speed sensor 61, the rotation speed sensor 61 is disposed on the first motor 201, the second motor 202, the engine 200 and the output shaft 10, and the controller 60 is electrically connected to the rotation speed sensor 61, so as to accurately obtain information about a current operating condition of the vehicle according to a detection result of the rotation speed sensor 61.
In this embodiment, the different hybrid modes correspond to different driving modes, and in this embodiment, the operation of the first electric machine 201 and the second electric machine 202 means that the electric machines are in a motor mode for converting electric energy into mechanical energy, do not operate, i.e., are in a state of not converting electric energy into mechanical energy nor converting mechanical energy into electric energy, and are in a power generation mode, i.e., are in a state of converting mechanical energy into electric energy. Under different hybrid modes, the hybrid transmission 100 performs corresponding transmission actions, so that the wheels 300 are coupled with different power sources, and the engine 200, the first motor 201 and the second motor 202 are switched to corresponding working modes to meet the driving requirements under different hybrid modes. The following description will be made regarding the structure and operation of the hybrid transmission 100.
In the present embodiment, referring to fig. 1, the hybrid transmission 100 includes a first input shaft 11, a second input shaft 12, an output shaft 10, a multi-gear pair and a synchronizer 50, wherein a first connecting gear 21 is fixedly disposed on the first input shaft 11, the first input shaft 11 is configured to be in transmission connection with an engine 200, and the first connecting gear 21 is configured to be in transmission connection with a first motor 201. The second input shaft 12 is parallel to the first input shaft 11, the second input shaft 12 is used for being in transmission connection with the second motor 202, the output shaft 10 is parallel to the first input shaft 11 and the second input shaft 12 and is arranged side by side, one end, far away from the first input shaft 11 and the second input shaft 12, of the output shaft 10 is used for being in transmission connection with a wheel 300, the multi-gear pair comprises a plurality of driving gears fixedly arranged on the first input shaft 11 and the second input shaft 12 and a plurality of transmission gears fixedly arranged on the output shaft 10, and each driving gear is meshed with each transmission gear in a one-to-one correspondence manner. The synchronizer 50 is disposed on the first input shaft 11, the second input shaft 12, and/or the output shaft 10, and the synchronizer 50 is selectively in transmission connection with one or more gears of the multi-gear pair to realize transmission connection between the first input shaft 11 and the output shaft 10, and/or between the second input shaft 12 and the output shaft 10.
In the present embodiment, the specific structure of the synchronizer 50 is not limited as long as the synchronizer can perform selective transmission connection in a multi-gear pair to realize the coupling between the first input shaft 11 and/or the second input shaft 12 and the output shaft 10. In the embodiment, the synchronizer 50 in the gearbox is used for transmission, a clutch or a planetary gear is not needed, the coupling efficiency is high, the system cost is low, and the structure is compact and the occupied space is small.
The synchronizer 50 may be provided on the first input shaft 11 and the second input shaft 12, or may be provided on the output shaft 10, as long as the coupling and decoupling of the first input shaft 11 and the second input shaft 12 with the output shaft 10 can be achieved. In one embodiment, the synchronizer 50 is provided on the output shaft 10 for selective driving connection with one or more of the plurality of driving gears. Thus, in the state that the wheel 300 is decoupled from the engine 200 or the second motor 202, the gear pair is not driven to rotate, unnecessary transmission of gears is reduced, and abrasion of components and overall burden of the hybrid power system are reduced.
On the basis of the previous embodiment, the driving gears include a first driving gear 31 and a second driving gear 32 which are arranged on the first input shaft 11, the transmission gears include a first transmission gear 41 and a second transmission gear 42 which are arranged on the output shaft 10, the first driving gear 31 is meshed with the first transmission gear 41, the second driving gear 32 is meshed with the second transmission gear 42, the synchronizer 50 includes a first synchronizer 51 which is arranged between the first transmission gear 41 and the second transmission gear 42, and the first synchronizer 51 has a first intermediate position which is decoupled from the first transmission gear 41 and the second transmission gear 42, a first position which is in transmission connection with the first transmission gear 41, and a second position which is in transmission connection with the second transmission gear 42. In the present embodiment, the first driving gear 31 and the first transmission gear 41, and the second driving gear 32 and the second transmission gear 42 have different transmission coefficients, and the first synchronizer 51 is switched among the first intermediate position, the first position and the second position by operating the first synchronizer 51, so as to realize at least two-gear speed change of the engine 200.
Further, the first input shaft 11 has a driving end for driving connection with the engine 200, and the first driving gear 31 and the second driving gear 32 are disposed on a side of the first connecting gear 21 away from the driving end. The first connecting gear 21 is engaged with the second connecting gear 22, so that transmission between the first motor 201 and the engine 200 is realized. It can be understood that a storage battery is provided in the vehicle, when the first electric machine 201 is in the motor mode, the battery supplies power to the first electric machine 201, the first electric machine 201 outputs a set torque to drag the engine 200 to a target rotation speed to complete the starting of the engine 200, and when the first electric machine 201 is in the power generation mode, the torque output by the engine 200 is received, and the mechanical energy output by the engine 200 is converted into electric energy to be output to the storage battery for charging.
In one embodiment, the plurality of driving gears includes a third driving gear 33 and a fourth driving gear 34 disposed on the second input shaft 12, the plurality of driving gears includes a third driving gear 43 and a fourth driving gear 44 disposed on the output shaft 10, the third driving gear 33 is engaged with the third driving gear 43, the fourth driving gear 34 is engaged with the fourth driving gear 44, the synchronizer 50 includes a second synchronizer 52 disposed between the third driving gear 43 and the fourth driving gear 44, the second synchronizer 52 has a second intermediate position decoupled from the third driving gear 43 and the fourth driving gear 44, a third position drivingly connected to the third driving gear 43, and a fourth position drivingly connected to the fourth driving gear 44. In the present embodiment, the third driving gear 33 and the third transmission gear 43, and the fourth driving gear 34 and the fourth transmission gear 44 have different transmission coefficients, and the second synchronizer 52 is switched between the second intermediate position, the third position and the fourth position by operating the second synchronizer 52, so as to realize at least two-gear shift of the second motor 202.
In the present embodiment, referring to fig. 1, a first bevel gear 23 is fixedly disposed at an end of the output shaft 10 away from the first input shaft 11 and the second input shaft 12, the first bevel gear 23 is configured to mesh with a second bevel gear 24, and the second bevel gear is in transmission connection with the wheel 300 through a differential 20. In this manner, the driving of the wheel 300 is achieved in a simple manner.
In one embodiment, the hybrid mode includes electric-only drive, series drive, direct drive of engine 200, and parallel drive. With reference to fig. 3, the method for driving the hybrid drive assembly according to the present embodiment includes the following steps:
s100, acquiring the current working condition of the vehicle, wherein the current working condition of the vehicle comprises the rotating speeds of the first motor 201, the second motor 202, the engine 200 and the output shaft 10;
in this step, the rotation speeds of the first electric machine 201, the second electric machine 202, the engine 200 and the output shaft 10 are only one reference index of the current operating condition of the vehicle. The current working conditions of the vehicle can specifically comprise vehicle speed, battery capacity SOC, accelerator opening, brake pedal opening, a driver hybrid mode switch signal and the like.
S200, selecting a hybrid mode of the hybrid power driving assembly according to the current working condition of the vehicle;
in this step, the hybrid mode includes pure electric drive, series drive, direct drive and parallel drive of the engine 200. In the pure electric drive mode, the engine 200 and the first motor 201 are not operated, and the second motor 202 is coupled with the output shaft 10 to drive the wheels 300 to rotate. In series drive, the generator drives the first electric machine 201 to generate electricity and supply power to the battery, the battery supplies power to the second electric machine 202, and the second electric machine 202 is coupled with the output shaft 10 to drive the wheels 300 to rotate. In the direct drive mode of the engine 200, the engine 200 is coupled to the output shaft 10, the second electric machine 202 is decoupled from the output shaft 10, and the engine 200 drives the wheels 300 to rotate. In the parallel mode, the engine 200 and the second electric machine 202 are both coupled to the output shaft 10 to drive the wheels 300 to rotate.
S300, when the hybrid mode is pure electric drive, controlling the first synchronizer 51 to be located at the first middle position, controlling the second synchronizer 52 to be located at the third position or the fourth position, and stopping the first motor and the engine 200;
when the hybrid mode is the series driving mode, the first synchronizer 51 is controlled to be located at the first intermediate position, the second synchronizer 52 is controlled to be located at the third position or the fourth position, and the engine 200 drives the first motor 201 to generate power;
when the hybrid mode is the direct drive of the engine 200, controlling the first synchronizer 51 to be located at the first position or the second position, and controlling the second synchronizer 52 to be located at the intermediate position;
when the hybrid mode is the parallel driving mode, the first synchronizer 51 is controlled to be located at the first position or the second position, and the second synchronizer 52 is controlled to be located at the third position or the fourth position.
In this step, the controller 60 selects an appropriate coupling mode according to the current hybrid mode, and specifically, the first synchronizer 51 and the second synchronizer 52 are driven to switch to appropriate positions to realize the transmission coupling in different hybrid modes, thereby realizing the switching between the hybrid modes.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A hybrid transmission, comprising:
the first input shaft is fixedly provided with a first connecting gear, the first input shaft is used for being in transmission connection with an engine, and the first connecting gear is used for being in transmission connection with a first motor;
the second input shaft is parallel to the first input shaft and is used for being in transmission connection with a second motor;
the output shaft is parallel to the first input shaft and the second input shaft and is arranged side by side, and one end, far away from the first input shaft and the second input shaft, of the output shaft is used for being in transmission connection with wheels;
the multi-gear pair comprises a plurality of driving gears fixedly arranged on the first input shaft and the second input shaft and a plurality of transmission gears fixedly arranged on the output shaft, and the driving gears are meshed with the transmission gears in a one-to-one correspondence manner; and the number of the first and second groups,
the synchronizer is arranged on the first input shaft, the second input shaft and/or the output shaft, and can be selectively in transmission connection with one or more gears in the multi-gear pair so as to realize the transmission connection between the first input shaft and the output shaft and/or between the second input shaft and the output shaft.
2. A hybrid transmission according to claim 1, wherein said synchronizer is provided at said output shaft for selective driving connection with one or more of said plurality of drive gears.
3. The hybrid transmission of claim 2, wherein the plurality of drive gears includes a first drive gear and a second drive gear disposed on the first input shaft, and the plurality of drive gears includes a first drive gear and a second drive gear disposed on the output shaft, the first drive gear being engaged with the first drive gear, the second drive gear being engaged with the second drive gear, the synchronizer including a first synchronizer disposed between the first drive gear and the second drive gear, the first synchronizer having a first intermediate position decoupled from the first drive gear and the second drive gear, a first position drivingly connected to the first drive gear, and a second position drivingly connected to the second drive gear.
4. A hybrid transmission as claimed in claim 3 wherein said first input shaft has a drive end for driving connection with said engine, said first drive gear and said second drive gear being disposed on a side of said first connecting gear remote from said drive end.
5. The hybrid transmission of claim 3, wherein said plurality of drive gears includes a third drive gear and a fourth drive gear disposed on said second input shaft, and wherein said plurality of drive gears includes a third drive gear and a fourth drive gear disposed on said output shaft, said third drive gear meshing with said third drive gear, said fourth drive gear meshing with said fourth drive gear, and wherein said synchronizer includes a second synchronizer disposed between said third drive gear and said fourth drive gear, said second synchronizer having a second intermediate position decoupled from said third drive gear and said fourth drive gear, a third position drivingly connected to said third drive gear, and a fourth position drivingly connected to said fourth drive gear.
6. The hybrid transmission of claim 1, wherein a first bevel gear is fixed to an end of the output shaft remote from the first input shaft and the second input shaft, the first bevel gear is configured to engage with a second bevel gear, and the second bevel gear is in driving connection with the wheels through a differential.
7. A hybrid drive assembly, comprising:
the hybrid transmission of any one of claims 1 to 6;
the engine is in transmission connection with the first input shaft;
the driving end of the first motor is provided with a second connecting gear, and the second connecting gear is meshed with the first connecting gear; and the number of the first and second groups,
and the second motor is in transmission connection with the second input shaft.
8. A hybrid drive assembly in accordance with claim 7, wherein said hybrid drive assembly further comprises a rotational speed sensor and a controller, said rotational speed sensor is disposed on said first electric machine, said second electric machine, said engine and said output shaft, said controller is electrically connected to said rotational speed sensor and said synchronizer for controlling said synchronizer to perform a connecting operation according to a detection result of said rotational speed sensor.
9. A vehicle comprising a hybrid drive assembly according to claim 7 or 8.
10. A method of controlling a hybrid drive assembly, the hybrid drive assembly comprising:
the hybrid transmission of claim 5;
the engine is in transmission connection with the first input shaft;
the driving end of the first motor is provided with a second connecting gear, and the second connecting gear is meshed with the first connecting gear; and the number of the first and second groups,
the second motor is in transmission connection with the second input shaft;
the control method of the hybrid power drive assembly comprises the following steps:
acquiring the current working condition of the vehicle, wherein the current working condition of the vehicle comprises the rotating speeds of the first motor, the second motor, the engine and the output shaft;
selecting a hybrid mode of a hybrid power driving assembly according to the current working condition of the vehicle;
when the hybrid mode is pure electric drive, the first synchronizer is controlled to be located at the first middle position, the second synchronizer is located at the third position or the fourth position, and the first motor and the engine are stopped;
when the hybrid mode is series driving, the first synchronizer is controlled to be located at the first middle position, the second synchronizer is located at the third position or the fourth position, and the engine drives the first motor to generate power;
when the hybrid mode is directly driven by the engine, controlling the first synchronizer to be located at the first position or the second position, and controlling the second synchronizer to be located at the middle position;
and when the hybrid mode is parallel driving, controlling the first synchronizer to be located at the first position or the second position, and controlling the second synchronizer to be located at the third position or the fourth position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833885.9A CN112013085A (en) | 2020-08-18 | 2020-08-18 | Hybrid power gearbox, drive assembly, control method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833885.9A CN112013085A (en) | 2020-08-18 | 2020-08-18 | Hybrid power gearbox, drive assembly, control method and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112013085A true CN112013085A (en) | 2020-12-01 |
Family
ID=73504976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010833885.9A Pending CN112013085A (en) | 2020-08-18 | 2020-08-18 | Hybrid power gearbox, drive assembly, control method and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013085A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524223A (en) * | 2020-12-09 | 2021-03-19 | 江苏新能源汽车研究院有限公司 | Double-gear type gear shifting hybrid power gearbox adopting synchronizer and clutch |
| CN113665344A (en) * | 2021-08-05 | 2021-11-19 | 南通大任永磁电机制造有限公司 | Dual-motor four-speed-ratio range-extended electric vehicle power assembly and electric vehicle |
| WO2023273005A1 (en) * | 2021-06-29 | 2023-01-05 | 奇瑞汽车股份有限公司 | Vehicle hybrid power assembly, control method, and vehicle |
| WO2023071093A1 (en) * | 2021-10-27 | 2023-05-04 | 奇瑞汽车股份有限公司 | Hybrid system and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000272360A (en) * | 1999-03-24 | 2000-10-03 | Daihatsu Motor Co Ltd | Hybrid car with automatic manual transmission |
| CN208682600U (en) * | 2018-06-30 | 2019-04-02 | 吉泰车辆技术（苏州）有限公司 | The transmission system of hybrid-powered motor speed variator |
| CN109835169A (en) * | 2017-11-29 | 2019-06-04 | 上汽通用汽车有限公司 | Hybrid power transmission system and vehicle |
| CN111469650A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动***有限公司 | Hybrid power driving system, control method and vehicle |
| CN111497586A (en) * | 2020-05-28 | 2020-08-07 | 格特拉克（江西）传动***有限公司 | Hybrid power driving system, control method and vehicle |
-
2020
- 2020-08-18 CN CN202010833885.9A patent/CN112013085A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000272360A (en) * | 1999-03-24 | 2000-10-03 | Daihatsu Motor Co Ltd | Hybrid car with automatic manual transmission |
| CN109835169A (en) * | 2017-11-29 | 2019-06-04 | 上汽通用汽车有限公司 | Hybrid power transmission system and vehicle |
| CN208682600U (en) * | 2018-06-30 | 2019-04-02 | 吉泰车辆技术（苏州）有限公司 | The transmission system of hybrid-powered motor speed variator |
| CN111469650A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动***有限公司 | Hybrid power driving system, control method and vehicle |
| CN111497586A (en) * | 2020-05-28 | 2020-08-07 | 格特拉克（江西）传动***有限公司 | Hybrid power driving system, control method and vehicle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524223A (en) * | 2020-12-09 | 2021-03-19 | 江苏新能源汽车研究院有限公司 | Double-gear type gear shifting hybrid power gearbox adopting synchronizer and clutch |
| WO2023273005A1 (en) * | 2021-06-29 | 2023-01-05 | 奇瑞汽车股份有限公司 | Vehicle hybrid power assembly, control method, and vehicle |
| CN113665344A (en) * | 2021-08-05 | 2021-11-19 | 南通大任永磁电机制造有限公司 | Dual-motor four-speed-ratio range-extended electric vehicle power assembly and electric vehicle |
| CN113665344B (en) * | 2021-08-05 | 2023-12-15 | 南通大任永磁电机制造有限公司 | Dual-motor four-speed-ratio range-extended electric vehicle power assembly and electric vehicle |
| WO2023071093A1 (en) * | 2021-10-27 | 2023-05-04 | 奇瑞汽车股份有限公司 | Hybrid system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112013085A (en) | Hybrid power gearbox, drive assembly, control method and vehicle | |
| CN102259583B (en) | Hybrid power-driven system and vehicle provided with same | |
| CN203962884U (en) | For the double-clutch speed changer system of hybrid electric vehicle and install its automobile | |
| US8083016B2 (en) | Vehicle with hybrid powertrain | |
| CN102275496B (en) | Series-parallel connection hybrid power driving system | |
| CN104477023A (en) | Multi-degree-of-freedom power gear-shifting parallel form hybrid power multi-gear speed changing box | |
| CN203142374U (en) | Transmission of HEV (hybrid electric vehicle) | |
| CN214138222U (en) | Dual-motor hybrid power driving system | |
| CN113173067A (en) | Hybrid power device, control system and automobile | |
| CN110816253B (en) | Gear ring-free planetary gear train hybrid power system | |
| CN102248882A (en) | Series-parallel hybrid power coupling device | |
| CN109649151B (en) | Transmission system of plug-in double-row hybrid electric vehicle | |
| CN110578777A (en) | Gearbox for hybrid power | |
| CN111516483B (en) | Two-gear power shift power coupling transmission device, hybrid vehicle and operation method of hybrid vehicle | |
| CN114857222A (en) | Multi-mode automotive electromechanical compound transmission | |
| CN112477579B (en) | Automobile driving device and automobile | |
| CN101462482A (en) | Novel double-motor series-parallel connection hybrid power assembly configuration | |
| CN114148157A (en) | Dual-motor dual-clutch hybrid power gearbox | |
| CN113199931A (en) | Hybrid drive for a motor vehicle | |
| CN113978230A (en) | Dual-motor hybrid power system, vehicle, and drive control method and device | |
| CN220764079U (en) | Wheel driving system | |
| CN218805199U (en) | CVT transmission system for hybrid power | |
| CN111483312A (en) | Hybrid power system, hybrid power driving method, and mobile tool | |
| CN220220380U (en) | Hybrid system and vehicle | |
| CN215360904U (en) | Power transmission system of hybrid electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201201 |