CN111993880A - Hybrid power system - Google Patents
Hybrid power system Download PDFInfo
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- CN111993880A CN111993880A CN202010895277.0A CN202010895277A CN111993880A CN 111993880 A CN111993880 A CN 111993880A CN 202010895277 A CN202010895277 A CN 202010895277A CN 111993880 A CN111993880 A CN 111993880A
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- input shaft
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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
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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
- B60K6/38—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
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The invention belongs to the technical field of automobiles, and discloses a hybrid power system. The output end of a driving motor of the hybrid power system is provided with a first input shaft, the first input shaft is in transmission connection with a differential mechanism through a first transmission assembly, and the differential mechanism is in transmission connection with a transmission shaft of a wheel; the output end of the engine is provided with a second input shaft, the second input shaft is connected to the power generation output shaft through a second transmission assembly in a transmission manner, and the power generation output shaft is connected to the input end of the generator in a transmission manner; the clutch is sleeved on the second input shaft; the hydraulic mechanism is configured to drive the clutch to be combined and separated, so that the second transmission assembly is selectively connected with the first transmission assembly in a transmission mode through the clutch, and the hydraulic mechanism is configured to be selectively transmitted to the first transmission assembly and the second transmission assembly and can be respectively communicated with the clutch, the driving motor and the generator. The hybrid power system realizes complete decoupling of the drive motor and the drive of the engine, and ensures economy and dynamic property.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a hybrid power system.
Background
With increasingly strict requirements on energy conservation and emission reduction regulations, the market of new energy automobiles develops rapidly, and particularly, the electromotion of a power system of electric automobiles and hybrid electric automobiles becomes an untwistable technical trend. At present, a pure electric vehicle is comprehensively influenced by factors such as short battery endurance mileage, long charging time and short battery life, and is difficult to become a mainstream vehicle type in a short period.
Existing hybrid power systems have series, parallel, and series-parallel modes. The series-parallel mode is divided into an electric control stepless (ECVT) hybrid system and a series-parallel structure hybrid system. The existing hybrid power system has the following defects:
1. the electric control stepless (ECVT) technology has the advantages of higher complexity, high manufacturing difficulty and higher cost, can not realize the complete decoupling of the engine and the motor drive, and can not ensure the fuel economy.
2. The driving motor and the generator are coaxially arranged along the axial direction by adopting two flat motors, and a driving motor shaft and a generator shaft are coaxially nested, so that the whole structure is compact. Due to the coaxial nested arrangement, the primary center distance of the driving motor and the primary center distance of the generator cannot be independently distributed, the performance is not favorably improved, meanwhile, the bearing supports at the two ends of the driving motor shaft cannot be realized, the supporting rigidity is influenced, and the production and manufacturing process is relatively complex.
3. The clutch sets up on the jackshaft, and the mounted position of clutch is lower, makes the clutch be in and soaks the state at lubricating oil, though can improve lubricated effect to a certain extent, but the clutch has the energy loss who stirs lubricating oil, and energy resource consumption is great, is unfavorable for energy-conserving economic nature's demand.
4. In the whole working condition and the whole vehicle speed range of the whole vehicle, continuous high-efficiency operation of a driving motor and an engine is difficult to realize in each independent driving mode, and the use requirements of dynamic property and economical efficiency cannot be considered simultaneously.
Disclosure of Invention
The invention aims to provide a hybrid power system which has a good lubricating effect and meets the requirements of dynamic property and economy.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hybrid power system comprising:
the driving device comprises a driving motor, a first input shaft, a first transmission assembly and a differential mechanism, wherein the first input shaft is arranged at the output end of the driving motor, the first input shaft is in transmission connection with the differential mechanism through the first transmission assembly, and the differential mechanism is in transmission connection with a transmission shaft of a wheel and used for driving a vehicle to run;
the power generation device comprises an engine, a second input shaft, a second transmission assembly, a power generation output shaft and a power generator, wherein the second input shaft is arranged at the output end of the engine, the second input shaft is connected to the power generation output shaft in a transmission manner through the second transmission assembly, the power generation output shaft is connected to the input end of the power generator in a transmission manner and used for generating power of the power generator, and the first input shaft, the second input shaft and the power generation output shaft are arranged in parallel;
the clutch is sleeved on the second input shaft;
the hydraulic mechanism is configured to selectively transmit the power to the first transmission assembly and the second transmission assembly, and can be respectively communicated with the clutch, the driving motor and the generator for lubricating and cooling the clutch, the driving motor and the generator.
Preferably, the first transmission assembly comprises:
the first speed reduction driving gear is sleeved on the first input shaft;
an intermediate shaft disposed in parallel with the first input shaft;
the first reduction driven gear is sleeved on the intermediate shaft and is respectively meshed with the first reduction driving gear and the second transmission assembly;
the second speed reduction driving gear is sleeved on the intermediate shaft;
and the second reduction driven gear is meshed with the second reduction driving gear and is in transmission connection with the differential.
Preferably, the differential further comprises a first output shaft, the first output shaft is arranged in parallel with the first input shaft, and the differential is in transmission connection with the wheels through the first output shaft.
Preferably, the second transmission assembly comprises:
the power generation driving gear is sleeved on the second input shaft and connected to the clutch;
the power generation driven gear is sleeved on the power generation output shaft and meshed with the power generation driving gear;
and the starting primary gear is sleeved on the second input shaft and is in clearance fit with the second input shaft, and the starting primary gear is connected to the clutch and is meshed with the first reduction driven gear.
Preferably, the clutch includes a clutch driving part and a clutch driven part, the clutch driving part is connected to the power generation driving gear, the clutch driven part is connected to the primary power generation gear in a transmission manner, and the hydraulic mechanism can drive the clutch driving part to move in a direction approaching to or away from the clutch driven part.
Preferably, the hydraulic mechanism includes:
a first pump gear meshed with the second reduction driven gear;
the output end of the first oil pump is connected to the first pump gear;
a second pump gear meshed with the power generation driving gear;
and the output end of the second oil pump is connected to the second pump gear and communicated with the first oil pump, and the first oil pump and the second oil pump are configured to convey hydraulic oil to the clutch, the generator and the driving motor.
Preferably, the output end of the engine is in transmission connection with the second input shaft through the damper.
Preferably, the method further comprises the following steps:
a first housing for accommodating the drive motor and the generator;
a second housing connected to the first housing and configured to house the first drive assembly, the differential, the second drive assembly, the clutch, and the hydraulic mechanism.
Preferably, the power generation device further comprises a middle shell, the middle shell is located between the first shell and the second shell and is respectively connected with the first shell and the second shell, and two ends of the first input shaft, two ends of the second input shaft and two ends of the power generation output shaft respectively penetrate through the middle shell and the second shell and are in running fit with the middle shell and the second shell.
Preferably, the operation modes of the hybrid system include a drive motor independent drive mode, an engine independent drive mode, a drive motor and engine parallel drive mode and an engine power generation mode.
The invention has the beneficial effects that:
according to the hybrid power system provided by the invention, when the driving motor is in an independent driving mode, the engine does not work, the driving motor drives the first input shaft to rotate, the first input shaft is in transmission connection with the differential mechanism through the first transmission assembly, and the differential mechanism is in transmission connection with the transmission shaft of the wheel and is used for driving the vehicle to run.
When the engine is in an independent driving mode, the driving motor does not work, the engine is in transmission connection with the second transmission assembly through the second input shaft, and the second transmission assembly is in transmission connection with the first transmission assembly through the clutch, so that driving force is transmitted to a transmission shaft of the wheel through the differential mechanism to drive the wheel to rotate;
when the driving motor and the engine are in a parallel driving mode, the driving motor and the engine work simultaneously, the driving motor acts on the first transmission assembly through torque, and the engine acts on the first transmission assembly through the second transmission assembly, so that the driving motor and the engine jointly transmit the torque to a transmission shaft of a wheel;
when the driving motor and the engine are in a series driving mode, the engine works to drive the second input shaft to rotate, the second input shaft is connected to the power generation output shaft through the transmission of the second transmission assembly, the generator is further driven to generate power, the generated electric energy is used for maintaining the driving motor to operate and driving the first input shaft to operate, the first input shaft is connected to the differential mechanism through the transmission of the first transmission assembly, and the differential mechanism is connected to the transmission shaft of the wheel in a transmission mode and used for driving the vehicle to run.
When the engine is in a power generation mode, the driving motor does not work and is in an idling state, the engine drives the second input shaft to rotate, the second input shaft is connected to the power generation output shaft through the second transmission assembly in a transmission mode, and the power generation output shaft is connected to the input end of the power generator in a transmission mode and used for power generation of the power generator.
Therefore, the hybrid power system provides a series-parallel structure, can realize complete decoupling of driving of the driving motor and driving of the engine, ensures that the engine always works in an optimal oil consumption interval, ensures the economical efficiency and dynamic property of the vehicle, and has the advantages of compact structure, lower structural complexity and lower production cost.
The output end of the driving motor is provided with the first input shaft, the output end of the engine is provided with the second input shaft, the power generation output shaft is in transmission connection with the input end of the power generator, the first input shaft, the second input shaft and the power generation output shaft are arranged in parallel, the driving motor and the power generator are both provided with relatively slender motors, the first input shaft and the power generation output shaft are arranged in parallel in the same shell cavity, and the first input shaft and the power generation output shaft are arranged in parallel in a corresponding transmission system, so that one-level center distance independent distribution can be realized.
Because there is certain difference in height between engine and the differential mechanism, locate on the second input shaft through the clutch cover, the second drive assembly passes through clutch selective drive and connects in first drive assembly, makes the clutch set up on being close to the position of engine, compares with prior art clutch setting on the jackshaft, and the position of clutch is higher, can not soak in lubricating oil all the time, has reduced and has stirred the oil loss, the energy saving consumption.
The hydraulic mechanism is configured to drive the clutch to be combined and separated, and plays a role in clutch control; the hydraulic mechanism is configured to selectively transmit power to the first transmission assembly and the second transmission assembly, so that power take-off sources of the hydraulic mechanism are the driving motor and the engine respectively, local materials are used, production cost is saved, and control and cooling requirements of the clutch, the driving motor and the generator can be met under different driving modes; the hydraulic mechanism can be respectively communicated with the driving motor and the generator and used for lubricating the driving motor and the generator, so that the driving motor and the generator are cooled.
Drawings
FIG. 1 is a schematic block diagram of a hybrid powertrain system of the present invention;
FIG. 2 is a schematic illustration of the hybrid powertrain system of the present invention.
In the figure:
1. a drive motor; 2. a first input shaft; 3. a first transmission assembly; 4. a differential mechanism; 5. a second input shaft; 6. a second transmission assembly; 7. a power generation output shaft; 8. a generator; 9. a clutch; 10. a hydraulic mechanism; 11. a first housing; 12. a second housing; 13. a middle housing; 14. a first output shaft; 15. a shock absorber; 16. an engine; 31. a first reduction drive gear; 32. an intermediate shaft; 33. a first reduction driven gear; 34. a second reduction drive gear; 35. a second reduction driven gear;
61. a power generation driving gear; 62. a power generation driven gear; 63. starting a primary gear;
91. a clutch driving part; 92. a clutch driven part;
101. a first pump gear; 102. a first oil pump; 103. a second pump gear; 104. a second oil pump; 105. and a hydraulic valve block.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment provides a hybrid power system which is suitable for a hybrid electric vehicle. As shown in fig. 1-2, the hybrid power system includes a driving motor 1, a first input shaft 2, a first transmission assembly 3, a differential 4, an engine 16, a second input shaft 5, a second transmission assembly 6, a power generation output shaft 7, a generator 8, a clutch 9 and a hydraulic mechanism 10, wherein the first input shaft 2 is arranged at an output end of the driving motor 1, the first input shaft 2 is in transmission connection with the differential 4 through the first transmission assembly 3, and the differential 4 is in transmission connection with a transmission shaft of a wheel for driving the vehicle to run. The output end of the engine 16 is provided with a second input shaft 5, the second input shaft 5 is in transmission connection with a power generation output shaft 7 through a second transmission assembly 6, the power generation output shaft 7 is in transmission connection with the input end of a power generator 8 and used for power generation of the power generator 8, and the first input shaft 2, the second input shaft 5 and the power generation output shaft 7 are arranged in parallel. The clutch 9 is sleeved on the second input shaft 5, the hydraulic mechanism 10 is configured to drive the clutch 9 to be combined and separated, so that the second transmission assembly 6 is selectively connected to the first transmission assembly 3 in a transmission manner through the clutch 9, and the hydraulic mechanism 10 is configured to selectively transmit the transmission to the first transmission assembly 3 and the second transmission assembly 6, can be respectively communicated with the clutch 9, the driving motor 1 and the generator 8, and is used for lubricating the clutch 9, the driving motor 1 and the generator 8.
In the hybrid power system provided by the embodiment, when the driving motor is in the independent driving mode, the engine 16 does not work, the driving motor 1 drives the first input shaft 2 to rotate, the first input shaft 2 is in transmission connection with the differential 4 through the first transmission assembly 3, and the differential 4 is in transmission connection with the transmission shaft of the wheel for driving the vehicle to run.
In the engine single driving mode, the driving motor 1 does not work, the engine 16 is in transmission connection with the second transmission assembly 6 through the second input shaft 5, the second transmission assembly 6 is in transmission connection with the first transmission assembly 3 through the clutch 9, so that the driving force is transmitted to the transmission shaft of the wheel through the differential 4 to drive the wheel to rotate;
when the driving motor and the engine are in a parallel driving mode, the driving motor 1 and the engine 16 work simultaneously, the driving motor 1 applies torque to the first transmission assembly 3, and the engine 16 applies torque to the first transmission assembly 3 through the second transmission assembly 6, so that the driving motor 1 and the engine 16 jointly transmit the torque to a transmission shaft of a wheel;
when the driving motor and the engine are in a series driving mode, the engine 16 works to drive the second input shaft 5 to rotate, the second input shaft is connected to the power generation output shaft 7 through the second transmission assembly 6 in a transmission mode and further drives the generator 8 to generate power, the generated power is used for maintaining the driving motor 1 to operate and driving the first input shaft 2 to operate, the first input shaft 2 is connected to the differential mechanism 4 through the first transmission assembly 3 in a transmission mode, and the differential mechanism 4 is connected to a transmission shaft of a wheel in a transmission mode and used for driving a vehicle to run.
In the engine power generation mode, the driving motor 1 does not work and is in an idle state, the engine 16 drives the second input shaft 5 to rotate, the second input shaft 5 is in transmission connection with the power generation output shaft 7 through the second transmission assembly 6, and the power generation output shaft 7 is in transmission connection with the input end of the power generator 8 and is used for generating power of the power generator 8.
Therefore, the hybrid power system provides a series-parallel structure, can realize complete decoupling of the drive of the driving motor 1 and the drive of the engine 16, ensures that the engine 16 always works in an optimal oil consumption interval, ensures the economical efficiency and the dynamic property of the vehicle, and has the advantages of compact structure, lower structural complexity and lower production cost.
The output end of the driving motor 1 is provided with a first input shaft 2, the output end of the engine 16 is provided with a second input shaft 5, the power generation output shaft 7 is in transmission connection with the input end of the power generator 8, the first input shaft 2, the second input shaft 5 and the power generation output shaft 7 are arranged in parallel, the driving motor 1 and the power generator 8 are both provided with relatively slender motors, the two motors are arranged in the same shell cavity in parallel, the first input shaft 2 and the power generation output shaft 7 are arranged in parallel in a corresponding transmission system, and one-level center distance independent distribution can be realized.
Because there is certain difference in height between engine 16 and differential 4, locate on second input shaft 5 through clutch 9 cover, second drive assembly 6 passes through clutch 9 selective transmission and connects in first drive assembly 3, makes clutch 9 set up on being close to engine 16's position, compares with prior art clutch setting on the jackshaft, and clutch 9's position is higher, can not soak in lubricating oil all the time, has reduced and has stirred the oil loss, the energy saving consumption.
By providing the hydraulic mechanism 10 configured to drive the clutch 9 to engage and disengage, the hydraulic mechanism 10 functions as a control of the clutch 9; the hydraulic mechanism 10 is configured to selectively transmit power to the first transmission assembly 3 and the second transmission assembly 6, so that power take-off sources of the hydraulic mechanism 10 are the driving motor 1 and the engine 16 respectively, local materials are obtained, and production cost is saved; the hydraulic mechanism 10 can be respectively communicated with the clutch 9, the driving motor 1 and the generator 8 and used for lubricating and cooling the clutch 9, the driving motor 1 and the generator 8, and the control and cooling requirements of the clutch, the driving motor and the generator can be met under different driving modes.
Further, as shown in fig. 1, the hybrid power system further includes a first housing 11 and a second housing 12, where the first housing 11 and the second housing 12 are two cavities on the left and right, where the left and right directions are based on the direction of the vehicle head, the first housing 11 is a left cavity, the first housing 11 is used to accommodate the driving motor 1 and the generator 8, and the driving motor 1 and the generator 8 form a driving module. The second housing 12 is connected to the first housing 11, the second housing 12 is used for accommodating the first transmission assembly 3, the differential 4, the second transmission assembly 6, the clutch 9 and the hydraulic mechanism 10, and the first transmission assembly 3, the differential 4, the second transmission assembly 6, the clutch 9 and the hydraulic mechanism 10 form a transmission module.
Optionally, the hybrid system further includes an intermediate housing 13, the intermediate housing 13 is located between the first housing 11 and the second housing 12 and is connected to the first housing 11 and the second housing 12, respectively, and the intermediate housing 13 functions as an intermediate partition to form the first housing 11 and the second housing 12. Through setting up middle casing 13, the both ends of first input shaft 2, the both ends of second input shaft 5 and the both ends of electricity generation output shaft 7 wear to locate middle casing 13 and second casing 12 respectively and rather than normal running fit, under the mating reaction of middle casing 13 and second casing 12, realize the support of first input shaft 2, second input shaft 5 and electricity generation output shaft 7.
Further, be equipped with motor stator and electric motor rotor on driving motor 1, motor stator passes through interference or bolt fastening in first casing 11, and electric motor rotor's one end is passed through the bearing and is supported on first casing 11, and the other end is as the output, and electric motor rotor's output and the hole clearance fit of first input shaft 2 to realize electric motor rotor location, electric motor rotor's output and first input shaft 2 adopt splined connection simultaneously, realize the torque transmission. Both ends of the first input shaft 2 are supported on the intermediate housing 13 and the second housing 12 through bearings, respectively, to ensure a rotation supporting effect of the first input shaft 2.
Further, the first transmission assembly 3 includes a first reduction driving gear 31, an intermediate shaft 32, a first reduction driven gear 33, a second reduction driving gear 34 and a second reduction driven gear 35, the intermediate shaft 32 and the first input shaft 2 are arranged in parallel, and the first transmission assembly is reasonable in layout, compact in structure, small in occupied area and high in space utilization rate. The first reduction driving gear 31 is sleeved on the first input shaft 2, the first reduction driven gear 33 is sleeved on the intermediate shaft 32 and is respectively meshed with the first reduction driving gear 31 and the second transmission assembly 6, the second reduction driving gear 34 is sleeved on the intermediate shaft 32, the second reduction driven gear 35 is meshed with the second reduction driving gear 34 and is in transmission connection with the differential 4, and preferably, the second reduction driven gear is welded, screwed or riveted with the differential 4.
The jackshaft 32 wears to locate first speed reduction driven gear 33 and second speed reduction driving gear 34 respectively, and second speed reduction driving gear 34 and jackshaft 32 integrated into one piece formula structure, first speed reduction driven gear 33 and jackshaft 32 realize being connected through welding, spline or interference mode, and the bearing support is passed through respectively on middle casing 13 and second casing 12 at the both ends of jackshaft 32 to guarantee jackshaft 32's rotation support effect. The first reduction driven gear 33 is simultaneously engaged with the first reduction driving gear 31 and the second transmission assembly 6 to realize the power reception from the first input shaft 2 and the second input shaft 5, respectively.
The driving motor 1 drives the first speed reduction driving gear 31 to rotate through the first input shaft 2, the first speed reduction driving gear 31 is meshed with the first speed reduction driven gear 33, one-stage speed reduction is achieved, the first speed reduction driven gear 33 drives the intermediate shaft 32 to rotate, and along with the rotation of the intermediate shaft 32, the second speed reduction driving gear 34 and the second speed reduction driven gear 35 are sequentially driven to rotate, and two-stage speed reduction is achieved. The two-stage reduction is realized by the cooperation of the first reduction driven gear 33, the second reduction driving gear 34, and the second reduction driven gear 35 transmits the torque to the wheels through the differential 4.
Optionally, the hybrid power system further comprises a first output shaft 14, the first output shaft 14 is arranged in parallel with the first input shaft 2, and the differential 4 is in transmission connection with wheels through the first output shaft 14. Both ends of the first output shaft 14 are respectively supported on the middle shell 13 and the second shell 12 through bearings so as to ensure the rotation supporting effect of the first output shaft 14.
Further, as shown in fig. 1, the hybrid system further includes a damper 15, and an output end of the engine 16 is drivingly connected to the second input shaft 5 through the damper 15. The damper 15 is embodied as a torque limiting damper, and the second input shaft 5 is connected to the engine 16 through the damper 15 for receiving power transmitted from the engine 16. Both ends of the second input shaft 5 are supported on the intermediate housing 13 and the second housing 12 through bearings, respectively, to ensure the rotation supporting effect of the second input shaft 5.
Further, the second transmission assembly 6 includes a power generation driving gear 61, a power generation driven gear 62 and a starting primary gear 63, the power generation driving gear 61 is sleeved on the second input shaft 5 and connected to the clutch 9, the power generation driven gear 62 is sleeved on the power generation output shaft 7 and meshed with the power generation driving gear 61, the starting primary gear 63 is sleeved on the second input shaft 5 and in clearance fit with the second input shaft 5, and the starting primary gear 63 is connected to the clutch 9 and in transmission connection with the first reduction driven gear 33.
The second input shaft 5 is inserted into the power generation driving gear 61, the second input shaft 5 and the power generation driving gear 61 are of an integrated structure, the power generation driving gear 61 is meshed with the power generation driven gear 62, the power generation output shaft 7 is inserted into the power generation driven gear 62, the power generation driven gear 62 and the power generation output shaft 7 are preferably of an integrated structure, and the power generation output shaft 7 is connected with the input end of the power generator 8 and used for power generation of the power generator 8. Both ends of the power generation output shaft 7 are respectively supported on the intermediate housing 13 and the second housing 12 through bearings to ensure the rotation supporting effect of the power generation output shaft 7. The engine 16 drives the second input shaft 5 to rotate and drives the power generation driving gear 61 and the power generation driven gear 62 to rotate, so that the power generation output shaft 7 drives the power generator 8 to rotate, and power generation of the power generator 8 is realized.
Specifically, the generator 8 is provided with a generating stator and a generating rotor, the generating stator is fixed in the first shell 11 through interference or bolts, one end of the generating rotor is supported on the first shell 11 through a bearing, the other end of the generating rotor is in clearance fit with an inner hole of the generating output shaft 7, the positioning of the generating rotor is achieved, and meanwhile, the generating rotor and the generating output shaft 7 are connected through splines to achieve torque transmission.
The primary starting gear 63 is sleeved on the second input shaft 5 in an empty manner, the power generation driving gear 61 is connected with the clutch 9, and the primary starting gear 63 is connected with the clutch 9. When the clutch 9 is in the engaged state, the power generation driving gear 61 is drivingly connected to the primary launch gear 63 through the clutch 9, and the primary launch gear 63 is meshed with the first reduction driven gear 33 to transmit power to the wheels through the first transmission assembly 3.
Further, the clutch 9 is embodied as a wet clutch, a dog clutch or a synchronizer, and it is preferable that the clutch 9 is embodied as a wet clutch in the present embodiment. The clutch 9 includes a clutch driving part 91 and a clutch driven part 92, the clutch driving part 91 is connected to the power generation driving gear 61, optionally, the power generation driving gear 61 and the clutch driving part 91 are connected by welding or spline, the clutch driven part 92 is in transmission connection with the launch primary gear 63, optionally, the launch primary gear 63 and the clutch driven part 92 are in an integrated structure or are connected by bolts, and the hydraulic mechanism 10 can drive the clutch driving part 91 to move towards or away from the clutch driven part 92. When the clutch 9 is engaged, the hydraulic mechanism 10 can drive the clutch driving part 91 to move towards the clutch driven part 92, so that the clutch driving part 91 and the clutch driven part 92 are pressed against each other; when the clutch 9 is disengaged, the hydraulic mechanism 10 can drive the clutch driving part 91 to move in a direction away from the clutch driven part 92, and can disengage the clutch driving part 91 and the clutch driven part 92 from each other.
Further, the hydraulic mechanism 10 includes a first pump gear 101, a first oil pump 102, and a hydraulic valve block 105, the hydraulic valve block 105 is installed in the second housing 12, the first pump gear 101 is engaged with the second reduction driven gear 35, and an input end of the first oil pump 102 is connected to the first pump gear 101. The first pump gear 101 is engaged with the second reduction driven gear 35, and the first oil pump 102 is installed in the hydraulic valve block 105 to pump oil by power transmitted from the driving motor 1.
The hydraulic mechanism 10 further includes a second pump gear 103 and a second oil pump 104, the second pump gear 103 is engaged with the power generation driving gear 61, an input end of the second oil pump 104 is connected to the second pump gear 103 and communicated with the first oil pump 102, the second pump gear 103 is engaged with the power generation driving gear 61, the second oil pump 104 is installed in the hydraulic valve block 105, the oil pumping is realized by the power transmitted from the engine 16, and the first oil pump 102 and the second oil pump 104 are configured to supply hydraulic oil to the generator 8 and the driving motor 1. The oil passages of the first oil pump 102 and the second oil pump 104 are communicated with each other, and receive high-pressure oil from the first oil pump 102 and the second oil pump 104, so that the driving motor 1 and the generator 8 are cooled, and the clutch 9 is controlled and lubricated.
Preferably, the working modes of the hybrid power system comprise a driving motor independent driving mode, an engine independent driving mode, a driving motor and engine parallel driving mode, a driving motor and engine series driving mode and an engine power generation mode, so that the vehicle can be ensured to have good fuel economy, and meanwhile, the vehicle dynamic property is improved.
When the driving motor is in the independent driving mode, the engine 16 is in a stop state, the power of the driving motor 1 is input through the first input shaft 2, and is transmitted to the first reduction driven gear 33 through the first reduction driving gear 31, the first reduction driven gear 33 drives the intermediate shaft 32 to rotate, and then the power is transmitted to the second reduction driven gear 35 through the second reduction driving gear 34 on the intermediate shaft 32, the second reduction driven gear 35 drives the differential 4 to rotate, and then the power is transmitted to the wheels through the first output shaft 14, so that the driving motor 1 is driven independently;
the engine is in an independent driving mode, the driving motor 1 and the generator 8 are in a stop state, high-pressure oil from the first oil pump 102 and the second oil pump 104 controls the clutch driving part 91 to be connected with the clutch driven part 92 through the hydraulic valve block 105, the power of the engine 16 drives the second input shaft 5 to rotate, after the clutch 9 is connected, the primary gear 63 is started to rotate along with the second input shaft 5, so that the first speed reduction driven gear 33 on the intermediate shaft 32 is driven, the second speed reduction driving gear 34 transmits the power to the second speed reduction driven gear 35, and finally the power is output to wheels through the differential 4, so that the energy-saving requirement of the vehicle during high-speed running is met;
the driving motor and the engine are connected in parallel in a driving mode, the driving motor 1 and the engine 16 work simultaneously, and power is transmitted to wheels simultaneously through the first input shaft 2 and the second input shaft 5 through the respective transmission routes, so that the power requirement of the vehicle during rapid acceleration is met;
in a driving mode of connecting the driving motor and the engine in series, the engine 16 works to drive the second input shaft 5 to rotate, and is in transmission connection with the power generation output shaft 7 through the second transmission assembly 6, so as to drive the generator 8 to generate power, the generated power is used for maintaining the driving motor 1 to operate, so as to drive the first input shaft 2 to operate, the first input shaft 2 is in transmission connection with the differential mechanism 4 through the first transmission assembly 3, and the differential mechanism 4 is in transmission connection with a transmission shaft of a wheel and is used for driving the vehicle to run.
In the engine power generation mode, the engine 16 transmits power to the power generation driven gear 62 through the power generation driving gear 61 on the second input shaft 5 to drive the power generation output shaft 7 to operate, and the output end of the power generation output shaft 7 is connected with the generator 8, so that the generator 8 is driven to operate at a high speed, and mechanical energy is converted into electric energy for charging the battery.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A hybrid powertrain system, comprising:
the driving device comprises a driving motor (1), a first input shaft (2), a first transmission assembly (3) and a differential (4), wherein the first input shaft (2) is arranged at the output end of the driving motor (1), the first input shaft (2) is in transmission connection with the differential (4) through the first transmission assembly (3), and the differential (4) is in transmission connection with a transmission shaft of a wheel and used for driving a vehicle to run;
the power generation device comprises an engine (16), a second input shaft (5), a second transmission assembly (6), a power generation output shaft (7) and a power generator (8), wherein the second input shaft (5) is arranged at the output end of the engine (16), the second input shaft (5) is connected to the power generation output shaft (7) in a transmission mode through the second transmission assembly (6), the power generation output shaft (7) is connected to the input end of the power generator (8) in a transmission mode and used for power generation of the power generator (8), and the first input shaft (2), the second input shaft (5) and the power generation output shaft (7) are arranged in parallel;
the clutch (9) is sleeved on the second input shaft (5);
the hydraulic mechanism (10) is configured to drive the clutch (9) to be connected and disconnected, so that the second transmission assembly (6) is selectively in transmission connection with the first transmission assembly (3) through the clutch (9), and the hydraulic mechanism (10) is configured to be selectively in transmission with the first transmission assembly (3) and the second transmission assembly (6) and can be respectively communicated with the clutch (9), the driving motor (1) and the generator (8) for lubricating and cooling the clutch (9), the driving motor (1) and the generator (8).
2. Hybrid powertrain system according to claim 1, characterized in that the first transmission assembly (3) comprises:
a first reduction driving gear (31) sleeved on the first input shaft (2);
an intermediate shaft (32) arranged in parallel with the first input shaft (2);
a first reduction driven gear (33) sleeved on the intermediate shaft (32) and meshed with the first reduction driving gear (31) and the second transmission assembly (6) respectively;
a second reduction driving gear (34) sleeved on the intermediate shaft (32);
a second reduction driven gear (35) meshed with the second reduction driving gear (34) and connected to the differential (4) in a transmission manner.
3. Hybrid system according to claim 2, characterized in that it further comprises a first output shaft (14), said first output shaft (14) being arranged parallel to said first input shaft (2), said differential (4) being drivingly connected to said wheels through said first output shaft (14).
4. Hybrid powertrain system according to claim 2, characterized in that the second transmission assembly (6) comprises:
a power generation driving gear (61) which is sleeved on the second input shaft (5) and connected to the clutch (9);
a power generation driven gear (62) which is fitted to the power generation output shaft (7) and is meshed with the power generation driving gear (61);
and the starting primary gear (63) is sleeved on the second input shaft (5) and can be in clearance fit with the second input shaft (5), and the starting primary gear (63) is connected to the clutch (9) and meshed with the first reduction driven gear (33).
5. The hybrid system according to claim 4, wherein the clutch (9) includes a clutch driving portion (91) and a clutch driven portion (92), the clutch driving portion (91) is connected to the power generation driving gear (61), the clutch driven portion (92) is in transmission connection with the launch primary gear (63), and the hydraulic mechanism (10) can drive the clutch driving portion (91) to move towards or away from the clutch driven portion (92).
6. Hybrid system according to claim 4, characterized in that the hydraulic machine (10) comprises:
a first pump gear (101) meshed with the second reduction driven gear (35);
a first oil pump (102) having an output end connected to the first pump gear (101);
a second pump gear (103) that meshes with the power generation drive gear (61);
a second oil pump (104) having an output end connected to the second pump gear (103) and communicated with the first oil pump (102), wherein the first oil pump (102) and the second oil pump (104) are configured to supply hydraulic oil to the clutch (9), the generator (8) and the driving motor (1).
7. A hybrid system according to claim 1, further comprising a damper (15), the output of the engine (16) being drivingly connected to the second input shaft (5) through the damper (15).
8. The hybrid system of claim 1, further comprising:
a first housing (11) for accommodating the drive motor (1) and the generator (8);
a second housing (12) connected to the first housing (11) and adapted to house the first transmission assembly (3), the differential (4), the second transmission assembly (6), the clutch (9) and the hydraulic machine (10).
9. The hybrid system according to claim 8, further comprising an intermediate housing (13), wherein the intermediate housing (13) is located between the first housing (11) and the second housing (12) and is connected to the first housing and the second housing, respectively, and two ends of the first input shaft (2), two ends of the second input shaft (5), and two ends of the power generation output shaft (7) are respectively inserted into and rotatably engaged with the intermediate housing (13) and the second housing (12).
10. The hybrid system of claim 1, wherein the operating modes of the hybrid system include a drive motor alone drive mode, an engine alone drive mode, a drive motor in parallel with the engine drive mode, and an engine generate mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010895277.0A CN111993880A (en) | 2020-08-31 | 2020-08-31 | Hybrid power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895277.0A CN111993880A (en) | 2020-08-31 | 2020-08-31 | Hybrid power system |
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| CN111993880A true CN111993880A (en) | 2020-11-27 |
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| CN114248615A (en) * | 2021-12-30 | 2022-03-29 | 上海纳铁福传动系统有限公司 | Drive device for hybrid vehicle |
| CN114872538A (en) * | 2022-05-27 | 2022-08-09 | 中国第一汽车股份有限公司 | Multimode electromechanical coupling speed change mechanism and vehicle |
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