CN112937284A - Hybrid power transmission device - Google Patents
Hybrid power transmission device Download PDFInfo
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- CN112937284A CN112937284A CN202110310790.3A CN202110310790A CN112937284A CN 112937284 A CN112937284 A CN 112937284A CN 202110310790 A CN202110310790 A CN 202110310790A CN 112937284 A CN112937284 A CN 112937284A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 238000010248 power generation Methods 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims 2
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- 238000005859 coupling reaction Methods 0.000 claims 2
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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
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- 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
Abstract
The present invention relates to a hybrid power transmission device, the hybrid power transmission system including: the power generation device comprises a driving assembly, a first transmission assembly, a second transmission assembly, a third transmission assembly, a fourth transmission assembly, a power generation transmission assembly, a power output assembly and a synchronizer assembly. The hybrid power transmission system according to the present invention may have improved power performance and reliability.
Description
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a hybrid power transmission system.
Background
With the stricter environmental protection measures in all countries of the world, hybrid vehicles have become a key point in automobile research and development due to their advantages of energy saving, low emission, and compatibility with power requirements, and have already begun to be commercialized.
Disclosure of Invention
The object of the invention is to provide a hybrid drive train with improved dynamics and reliability.
The method is realized by the following technical means:
a hybrid powertrain system comprising: a driving assembly including an engine and a motor, power of the engine being transmitted to the first shaft through a clutch, and power of the motor being transmitted to the third shaft; a first transmission assembly including a first main drive gear rotatably supported on a first shaft and in meshing engagement with the first driven gear, a first driven gear rotatably supported on the third shaft and in meshing engagement with the first driven gear, and a first auxiliary drive gear fixedly disposed on a second shaft; a second transmission assembly including a second main drive gear rotatably supported on the first shaft and in meshing engagement with the second driven gear, a second driven gear rotatably supported on the third shaft and in meshing engagement with the second main drive gear, and a second secondary drive gear fixedly disposed on the second shaft; a third transmission assembly including a third main drive gear and a third driven gear, wherein the third main drive gear is rotatably supported on the first shaft and is in meshed connection with the third driven gear, and the third driven gear is fixedly disposed on the second shaft; a fourth transmission assembly including a fourth main drive gear and a fourth driven gear, wherein the fourth main drive gear is rotatably supported on the first shaft and is in meshing connection with the fourth driven gear, and the fourth driven gear is fixedly disposed on the second shaft; the power generation transmission assembly comprises a power generation driving chain wheel, a power generation driven chain wheel and a chain, wherein the power generation driving chain wheel is rotatably supported on the first shaft through an electromagnetic one-way clutch and is in transmission connection with the power generation driven chain wheel through the chain; a power output assembly comprising a main reduction driving gear, a main reduction driven gear and a differential, wherein the main reduction driving gear is fixedly arranged on the second shaft, the main reduction driven gear is fixedly connected to the differential, and the main reduction driving gear is in meshed connection with the main reduction driven gear; a synchronizer assembly including a first synchronizer fixedly disposed on the first shaft and between the first and second main drive gears to fixedly connect one of the first and second main drive gears to the first shaft, a second synchronizer fixedly disposed on the first shaft and between the third and fourth main drive gears to fixedly connect one of the third and fourth main drive gears to the first shaft, and a third synchronizer fixedly disposed on the third shaft and between the first and second auxiliary drive gears to fixedly connect one of the first and second auxiliary drive gears to the third shaft.
The hybrid powertrain system further includes a controller that enables the hybrid powertrain system to achieve a power-only mode, a power-generating drive mode, and a drive-only mode by controlling one or more of the electromagnetic one-way clutch, the first synchronizer, the second synchronizer, and the third synchronizer.
In the power generation only mode, the controller is configured to: the electromagnetic one-way clutch is engaged and the first, second and third synchronizers are all disengaged, so that the power of the engine is transmitted to the electric machine through the power generation transmission assembly to cause the electric machine operating as a generator to charge a battery.
In the power generation drive mode, the controller is configured to: engaging the electromagnetic one-way clutch and engaging at least one of a first synchronizer, a second synchronizer, and a third synchronizer so that power of the engine is transmitted to the motor through the power generation transmission assembly and to a power output assembly through at least one of the first transmission assembly to the fourth rotation assembly.
In the drive-only mode, the controller is configured to: the electromagnetic one-way clutch is disengaged, and at least one of a first synchronizer, a second synchronizer, and a third synchronizer is engaged, so that the power of the engine is transmitted to a power output assembly through at least one of the first transmission assembly to the fourth rotating assembly.
The terms "selectively" or "selectively" and the like in the present invention generally refer to the connection through a clutch or a synchronizer, and the like, and the term "selectively" or "selectively" is used herein because the clutch or the synchronizer has the characteristic of connection and disconnection. "may" in the description of "rotatable" or the like of the present invention means "capable" in a conventional case.
The invention has the following effects:
the hybrid power transmission system can realize the power generation only mode by only combining the electromagnetic one-way clutch, so that the power output can be realized when the vehicle is stopped, and the hybrid power vehicle can meet special requirements of users, such as holding vehicle tailgating and the like. Meanwhile, by separating other synchronizers, the power loss caused by other transmission components of the vehicle can be reduced, and the vehicle economy is improved.
2, by combining the electromagnetic one-way clutch and one or more of the first synchronizer to the third synchronizer, the power output of different gears or gear ratios of the vehicle can be realized under the condition of charging the battery of the vehicle. Thereby improving the reliability of the vehicle.
By simultaneously combining the first synchronizer and the third synchronizer, and by optimizing the arrangement structure of the hybrid power transmission system of the vehicle, an enhanced hybrid driving mode can be realized by simultaneously utilizing the power of the engine and the motor, so that the dynamic property of the vehicle can be improved.
Drawings
Fig. 1 is a schematic diagram of a hybrid powertrain according to a first embodiment.
Fig. 2 is a schematic diagram of a hybrid powertrain according to a second embodiment.
Wherein: 10-engine, 11-clutch, 21-first shaft, 22-first main drive gear, 23-first synchronizer, 24-second main drive gear, 25-third main drive gear, 26-second synchronizer, 27-fourth main drive gear, 31-second shaft, 32-first driven gear, 33-second driven gear, 34-third driven gear, 35-main reduction drive gear, 36-fourth driven gear, 40-differential, 41-main reduction driven gear, 50-motor, 51-third shaft, 52-first auxiliary drive gear, 53-third synchronizer, 54-second auxiliary drive gear, 61-power generation driven sprocket, 62-chain, 63-power generation drive sprocket, 64-electromagnetic one-way clutch, 71-second main reduction gear, 72-fourth synchronizer, 73-second main reduction driven gear, 74-output shaft, 75-support roller bearing.
Detailed Description
A hybrid power transmission system according to a first embodiment will be described below with reference to fig. 1.
The hybrid power transmission system according to the first embodiment includes: the power generation device comprises a driving assembly, a first transmission assembly, a second transmission assembly, a third transmission assembly, a fourth transmission assembly, a power generation transmission assembly, a power output assembly and a synchronizer assembly.
The driving assembly includes an engine 10 and a motor 50, and power of the engine 10 is transmitted to the first shaft 21 through a clutch 11 so that the power of the engine can be selectively output to the first shaft 21. The power of the motor 50 is directly transmitted to the third shaft 51. The first shaft 21 may be arranged in parallel with the third shaft 51, and a second shaft 31 may be further provided between the first shaft 21 and the third shaft 51.
The first transmission assembly may include a first main drive gear 22, a first driven gear 32, and a first auxiliary drive gear 52. The first main drive gear 22 is rotatably supported on the first shaft 21 and is in meshing connection with the first driven gear 32, the first auxiliary drive gear 52 is rotatably supported on the third shaft 51 and is in meshing connection with the first driven gear 32, and the first driven gear 32 is fixedly provided on the second shaft 31. For example, the first main drive gear 22 may be rotatably supported on the first shaft 21 by a bearing or the like, so that the power transmitted by the first shaft 21 may be selectively transmitted to the first main drive gear 22. Similarly, the first auxiliary drive gear 52 may also be rotatably supported on the third shaft 51 by a bearing or the like.
The second transmission assembly may include a second primary drive gear 24, a second driven gear 33, and a second secondary drive gear 54. The second main drive gear 24 is rotatably supported on the first shaft 21 and is in meshing engagement with the second driven gear 33, the second auxiliary drive gear 54 is rotatably supported on the third shaft 51 and is in meshing engagement with the second main drive gear 24, and the second driven gear 33 is fixedly disposed on the second shaft 31. Similarly, the second main drive gear 24 and the second auxiliary drive gear 54 may also be rotatably supported on the respective shafts by bearings or the like.
The third transmission assembly may include a third main drive gear 25 and a third driven gear 34. The third main drive gear 25 is rotatably supported on the first shaft 21, for example, by a bearing, and is in meshing connection with a third driven gear 34, the third driven gear 34 being fixedly provided on the second shaft 31.
The fourth transmission assembly may include a fourth main drive gear 27 and a fourth driven gear 36. The fourth main drive gear 27 is rotatably supported on the first shaft 21 (e.g., by a bearing) and is in meshing engagement with a fourth driven gear 36, the fourth driven gear 36 being fixedly disposed on the second shaft 31.
The power generating transmission assembly may include a power generating drive sprocket 63, a power generating driven sprocket 61 and a chain 62. The power generating drive sprocket 63 is rotatably supported on the first shaft 21 by an electromagnetic one-way clutch 64 and is drivingly connected to the power generating driven sprocket 61 by a chain 62. However, the power generation transmission assembly is not limited thereto, and the engine and the motor may be connected by a gear transmission assembly.
The power take-off assembly may include a main reduction drive gear 35, a main reduction driven gear 41, and a differential 40. The main reduction drive gear 35 is fixedly provided on the second shaft 31, the main reduction driven gear 41 is fixedly connected to the differential 40, and the main reduction drive gear 35 is in meshed connection with the main reduction driven gear 41. Differential 40 may drive an axle connected to the vehicle to provide motive force to the wheels.
The synchronizer assembly may include a first synchronizer 23, a second synchronizer 26, and a third synchronizer 53.
A first synchronizer 23 may be fixedly disposed on the first shaft 21 and between the first and second main drive gears 22, 24 to fixedly connect one of the first and second main drive gears 22, 24 to the first shaft 21.
A second synchronizer 26 may be fixedly disposed on the first shaft 21 and between the third and fourth main drive gears 25, 27 to fixedly connect one of the third and fourth main drive gears 25, 27 to the first shaft 21.
A third synchronizer 53 may be fixedly disposed on the third shaft 51 and between the first and second auxiliary drive gears 52, 54 to fixedly connect one of the first and second auxiliary drive gears 52, 54 to the third shaft 51.
The hybrid transmission system according to the first embodiment may further include a controller that causes the hybrid transmission system to realize the power generation only mode, the power generation driving mode, and the driving only mode by controlling one or more of the electromagnetic one-way clutch 64, the first synchronizer 23, the second synchronizer 26, and the third synchronizer 53.
In the power generation only mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged and the first synchronizer 23, the second synchronizer 26, and the third synchronizer 53 are all disengaged, so that the power of the engine 10 is transmitted to the motor 50 through the power generation transmission assembly to cause the motor operating as a generator to charge the battery.
In the power generation driving mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged, and at least one of the first synchronizer 23, the second synchronizer 26, and the third synchronizer 53 is engaged, so that the power of the engine 10 is transmitted to the motor 50 through the power generation transmission assembly, and is transmitted to the power output assembly through at least one of the first transmission assembly to the fourth rotation assembly.
In the drive only mode, the controller may be configured to: the electromagnetic one-way clutch 64 is disengaged and at least one of the first synchronizer 23, the second synchronizer 26 and the third synchronizer 53 is engaged, so that the power of the engine 10 is transmitted to the power output assembly through at least one of the first transmission assembly to the fourth rotating assembly.
As an example, the driving-only mode may include a first driving mode, a second driving mode, a third driving mode, and a fourth driving mode that are driven only with the engine 10.
In the first driving mode, the controller may be configured to: the first synchronizer 23 is engaged with the first main drive gear 22 so that the power of the engine is transmitted to the power output assembly through the first main drive gear 22 and the first driven gear 32.
In the second driving mode, the controller may be configured to: the first synchronizer 23 is engaged with the second main drive gear 24 so that the power of the engine is transmitted to the power output assembly through the second main drive gear 24 and the second driven gear 33.
In the third driving mode, the controller may be configured to: the second synchronizer 26 is engaged with the third main drive gear 25 so that the power of the engine is transmitted to the power output assembly through the third main drive gear 25 and the third driven gear 34.
In the fourth drive mode, the controller may be configured to: the second synchronizer 26 is engaged with the fourth main drive gear 27 so that the power of the engine is transmitted to the power take-off assembly through the fourth main drive gear 27 and the fourth driven gear 36.
As an example, the driving-only mode may further include a first hybrid driving mode and a second hybrid driving mode that are driven using the engine 10 and the motor 50.
In the first hybrid driving mode, the controller may be configured to: the first synchronizer 23 is engaged with the first main drive gear 22, and the third synchronizer 53 is engaged with the first auxiliary drive gear 52, so that the first driven gear 32 receives power from the engine through the first main drive gear 22 and receives power from the motor 50 through the first auxiliary drive gear 52, and transmits the received power to the power output assembly.
In the second hybrid driving mode, the controller may be configured to: the first synchronizer 23 is engaged with the second main drive gear 24, and the third synchronizer 53 is engaged with the second subsidiary drive gear 54, so that the second driven gear 33 receives power from the engine through the second main drive gear 24 and power from the motor 50 through the second subsidiary drive gear 54, and transmits the received power to the power output assembly.
As an example, the power generation driving mode may include a first power generation driving mode, a second power generation driving mode, a third power generation driving mode, and a fourth power generation driving mode.
In the first power generation driving mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged, and the first synchronizer 23 is engaged with the first main drive gear 22. In the second power generation driving mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged, and the first synchronizer 23 is engaged with the second main drive gear 24. In the third power generation driving mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged, and the second synchronizer 26 is engaged with the third main drive gear 25. In the fourth power generation driving mode, the controller may be configured to: the electromagnetic one-way clutch 64 is engaged, and the second synchronizer 26 is engaged with the fourth main drive gear 27.
The above describes some of the operation modes that the hybrid power transmission system according to the first embodiment can achieve, but the entire operation modes are not limited thereto.
Hereinafter, a hybrid power transmission system according to a second embodiment will be described with reference to fig. 2.
The hybrid transmission system according to the second embodiment differs from the hybrid transmission system according to the first embodiment in that: arrangement of the power output assembly.
The power output assembly of the hybrid power transmission system according to the second embodiment may include a second main reduction gear 71, a fourth synchronizer 72, a second main reduction driven gear 73, an output shaft 74, and a support roller bearing 75.
The second drive reduction gear 71 is fixedly disposed on the second shaft 31 and is in meshing connection with the second drive reduction driven gear 73. The second drive and driven gear 73 is supported on the output shaft 74 through a support roller bearing 75. The fourth synchronizer 72 is provided on the first shaft 21, and the first shaft 21 can be selectively connected to the output shaft 74 through the fourth synchronizer 72, so that the power of the engine can be directly output to the output shaft 74.
Claims (8)
1. A hybrid powertrain system, comprising:
a drive assembly including an engine (10) and a motor (50), power of the engine (10) being transmitted to a first shaft (21) through a clutch (11), power of the motor (50) being transmitted to a third shaft (51);
a first transmission assembly comprising a first main drive gear (22), a first driven gear (32) and a first auxiliary drive gear (52), wherein the first main drive gear (22) is rotatably supported on a first shaft (21) and is in meshing connection with the first driven gear (32), the first auxiliary drive gear (52) is rotatably supported on the third shaft (51) and is in meshing connection with the first driven gear (32), and the first driven gear (32) is fixedly arranged on a second shaft (31);
a second transmission assembly comprising a second main drive gear (24), a second driven gear (33) and a second auxiliary drive gear (54), wherein the second main drive gear (24) is rotatably supported on the first shaft (21) and is in meshing connection with the second driven gear (33), the second auxiliary drive gear (54) is rotatably supported on the third shaft (51) and is in meshing connection with the second main drive gear (24), and the second driven gear (33) is fixedly arranged on the second shaft (31);
a third transmission assembly comprising a third main drive gear (25) and a third driven gear (34), wherein the third main drive gear (25) is rotatably supported on the first shaft (21) and is in meshed connection with the third driven gear (34), and the third driven gear (34) is fixedly arranged on the second shaft (31);
a fourth transmission assembly comprising a fourth main drive gear (27) and a fourth driven gear (36), wherein the fourth main drive gear (27) is rotatably supported on the first shaft (21) and is in meshed connection with the fourth driven gear (36), and the fourth driven gear (36) is fixedly arranged on the second shaft (31);
a power generation transmission assembly including a power generation drive sprocket (63), a power generation driven sprocket (61), and a chain (62), the power generation drive sprocket (63) being rotatably supported on the first shaft (21) by an electromagnetic one-way clutch (64) and being in transmission connection with the power generation driven sprocket (61) by the chain (62);
a power output assembly comprising a main reduction driving gear (35), a main reduction driven gear (41) and a differential (40), wherein the main reduction driving gear (35) is fixedly arranged on the second shaft (31), the main reduction driven gear (41) is fixedly connected to the differential (40), and the main reduction driving gear (35) is in meshed connection with the main reduction driven gear (41);
a synchronizer assembly comprising a first synchronizer (23), a second synchronizer (26) and a third synchronizer (53),
the first synchronizer (23) is fixedly disposed on the first shaft (21) and between the first main drive gear (22) and the second main drive gear (24) to fixedly connect one of the first main drive gear (22) and the second main drive gear (24) to the first shaft (21),
the second synchronizer (26) is fixedly disposed on the first shaft (21) and between the third main drive gear (25) and the fourth main drive gear (27) to fixedly connect one of the third main drive gear (25) and the fourth main drive gear (27) to the first shaft (21),
the third synchronizer (53) is fixedly disposed on the third shaft (51) and between the first secondary drive gear (52) and the second secondary drive gear (54) to fixedly connect one of the first secondary drive gear (52) and the second secondary drive gear (54) to the third shaft (51);
the hybrid powertrain system further includes a controller that causes the hybrid powertrain system to achieve a power-only mode, a power-generating drive mode, and a drive-only mode by controlling one or more of the electromagnetic one-way clutch (64), the first synchronizer (23), the second synchronizer (26), and the third synchronizer (53).
2. The hybrid powertrain system of claim 1, wherein in the electric-only mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and disengaging all of the first synchronizer (23), the second synchronizer (26) and the third synchronizer (53) so that the power of the engine (10) is transmitted to the motor (50) through the power generation transmission assembly to cause the motor operating as a generator to charge a battery;
in the power generation drive mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and at least one of a first synchronizer (23), a second synchronizer (26), and a third synchronizer (53) such that power of the engine (10) is transmitted to the motor (50) through the power generation transmission assembly and to a power output assembly through at least one of the first transmission assembly to the fourth rotating assembly;
in the drive-only mode, the controller is configured to: disengaging the electromagnetic one-way clutch (64) and engaging at least one of a first synchronizer (23), a second synchronizer (26), and a third synchronizer (53) such that power of the engine (10) is transmitted to a power output assembly through at least one of the first transmission assembly to the fourth rotating assembly.
3. The hybrid powertrain system of claim 2, wherein the drive-only modes include a first drive mode, a second drive mode, a third drive mode, and a fourth drive mode that are driven only with the engine (10).
4. The hybrid powertrain system of claim 3,
in the first driving mode, the controller is configured to: coupling the first synchronizer (23) with the first main drive gear (22) so that the power of the engine is transmitted to the power output assembly through the first main drive gear (22) and a first driven gear (32),
in the second driving mode, the controller is configured to: coupling the first synchronizer (23) with the second main drive gear (24) so that the power of the engine is transmitted to the power output assembly through the second main drive gear (24) and a second driven gear (33);
in the third driving mode, the controller is configured to: engaging the second synchronizer (26) with the third main drive gear (25) so that power of the engine is transmitted to the power take-off assembly through the third main drive gear (25) and a third driven gear (34);
in the fourth drive mode, the controller is configured to: engaging the second synchronizer (26) with the fourth main drive gear (27) such that power of the engine is transmitted to the power take off assembly through the fourth main drive gear (27) and a fourth driven gear (36).
5. The hybrid powertrain system of claim 2, wherein the drive-only modes further include a first hybrid drive mode and a second hybrid drive mode that drive with the engine (10) and the electric machine (50).
6. The hybrid powertrain system of claim 2,
in the first hybrid driving mode, the controller is configured to: engaging the first synchronizer (23) with the first main drive gear (22) and engaging the third synchronizer (53) with the first auxiliary drive gear (52), thereby causing the first driven gear (32) to receive power from an engine through the first main drive gear (22) and power from the motor (50) through the first auxiliary drive gear (52) and transmit the received power to the power output assembly;
in the second hybrid driving mode, the controller is configured to: engaging the first synchronizer (23) with the second main drive gear (24) and engaging the third synchronizer (53) with the second auxiliary drive gear (54) so that the second driven gear (33) receives power from an engine through the second main drive gear (24) and receives power from the motor (50) through the second auxiliary drive gear (54) and transmits the received power to the power output assembly.
7. The hybrid powertrain system of claims 2-6, wherein the electric-generating drive modes include a first electric-generating drive mode, a second electric-generating drive mode, a third electric-generating drive mode, and a fourth electric-generating drive mode.
8. The hybrid powertrain system of claim 7,
in the first power generation driving mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and engaging the first synchronizer (23) with the first main drive gear (22);
in the second power generation driving mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and engaging the first synchronizer (23) with the second main drive gear (24);
in the third power generation driving mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and engaging the second synchronizer (26) with the third main drive gear (25);
in the fourth power generation driving mode, the controller is configured to: engaging the electromagnetic one-way clutch (64) and engaging the second synchronizer (26) with the fourth main drive gear (27).
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Application publication date: 20210611 |