CN116691318B - Hybrid power mechanism for automobile - Google Patents
Hybrid power mechanism for automobileInfo
- Publication number
- CN116691318B CN116691318B CN202310766986.2A CN202310766986A CN116691318B CN 116691318 B CN116691318 B CN 116691318B CN 202310766986 A CN202310766986 A CN 202310766986A CN 116691318 B CN116691318 B CN 116691318B
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- China
- Prior art keywords
- gear
- input shaft
- clutch
- shaft
- driven
- Prior art date
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Classifications
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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
- 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 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- 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 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 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 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
- 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 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 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 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
- 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—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 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 assembly or relative disposition of components
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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
- 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 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明公开了一种汽车混合动力机构，包括第一输入轴、第一电机、第二电机、差速器、第一离合器、第二离合器、第二输入轴、第三输入轴、行星齿轮机构和第一从动轴，第一离合器与所述第一输入轴和第三输入轴连接，第二离合器与第一输入轴和第二输入轴连接，行星齿轮机构包括太阳轮、行星架和与第三输入轴连接的齿圈，所述第一电机通过第一传动机构与第二离合器连接，所述第二电机与第二传动机构连接，第一从动轴通过减速机构与所述差速器连接，第二传动机构与减速机构连接，第二输入轴通过第三传动机构与第一从动轴连接，行星架通过第四传动机构与第一从动轴连接。
This invention discloses a hybrid powertrain mechanism for automobiles, comprising a first input shaft, a first motor, a second motor, a differential, a first clutch, a second clutch, a second input shaft, a third input shaft, a planetary gear mechanism, and a first driven shaft. The first clutch is connected to the first and third input shafts, and the second clutch is connected to both the first and second input shafts. The planetary gear mechanism includes a sun gear, a planet carrier, and a ring gear connected to the third input shaft. The first motor is connected to the second clutch via a first transmission mechanism, and the second motor is connected to the second transmission mechanism. The first driven shaft is connected to the differential via a reduction mechanism, and the second transmission mechanism is connected to the reduction mechanism. The second input shaft is connected to the first driven shaft via a third transmission mechanism, and the planet carrier is connected to the first driven shaft via a fourth transmission mechanism.
Description
Technical Field
The invention belongs to the technical field of transmission of new energy sources of automobiles, and particularly relates to an automobile hybrid power mechanism.
Background
In the prior art, as disclosed in patent document CN108237893a, in the middle-high speed running process, an engine and a motor are coupled through a planetary mechanism, and two power flows are converged and then output, wherein the electric power flows are generated, stored, taken and driven by the motor. The hybrid power vehicle has the defects that in the middle and high speed running process, an engine and a motor are coupled through a planetary mechanism, and power is output after two power flows are converged, wherein the electric power flows are generated by the motor, stored, taken out and driven electrically, the efficiency is very low, and the fuel consumption is high in the high speed running process.
In addition, as disclosed in patent document CN111572328a, a hybrid vehicle driving apparatus is disclosed, in which, in the middle-high speed driving process, two gears can be driven by using a B1 brake and a C1 clutch to form an engine, so that the vehicle can be directly driven by the engine. The hybrid power vehicle driving device has the defects that in the middle and high speed driving process, the B1 brake and the C1 clutch can be adopted to form an engine to drive two gears, the engine can directly drive the vehicle to drive, no motor power flow exists, and the efficiency is high. However, the disadvantage is that the number of gears is too small, so that the engine cannot work in a high-efficiency zone for a longer time when in direct drive, and the fuel consumption during high-speed cruising cannot be further reduced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides an automobile hybrid power mechanism, which aims to improve the electric power flow efficiency and reduce the oil consumption of the automobile during high-speed cruising.
In order to achieve the aim, the automobile hybrid power mechanism comprises a first input shaft, a first motor, a second motor, a differential mechanism, a first clutch, a second input shaft, a third input shaft, a planetary gear mechanism and a first driven shaft, wherein the first clutch is connected with the first input shaft and the third input shaft, the second clutch is connected with the first input shaft and the second input shaft, the planetary gear mechanism comprises a sun gear, a planet carrier and a gear ring connected with the third input shaft, the first motor is connected with the second clutch through a first transmission mechanism, the second motor is connected with the second transmission mechanism, the first driven shaft is connected with the differential mechanism through a reduction mechanism, the second transmission mechanism is connected with the reduction mechanism, the second input shaft is connected with the first driven shaft through the third transmission mechanism, and the planet carrier is connected with the first driven shaft through a fourth transmission mechanism.
The first transmission mechanism comprises a first gear connected with the first motor, a second gear meshed with the first gear and a third gear meshed with the second gear, and the third gear is connected with the second clutch.
The second transmission mechanism comprises a fourth gear connected with the second motor, a fifth gear meshed with the fourth gear and a sixth gear synchronously rotating with the fifth gear, the speed reducing mechanism comprises a speed reducing driving gear arranged on the first driven shaft and a speed reducing driven gear arranged on the differential and meshed with the speed reducing driving gear, and the sixth gear is meshed with the speed reducing driven gear.
The third transmission mechanism comprises a seventh gear arranged on the second input shaft and an eighth gear meshed with the seventh gear, and the eighth gear is sleeved on the first driven shaft in a hollow mode.
The fourth transmission mechanism comprises a ninth gear and a tenth gear meshed with the ninth gear, and the ninth gear is connected with the planet carrier and the fourth input shaft.
The vehicle hybrid mechanism further includes a first synchronizer for controlling engagement and disengagement between the fourth input shaft and the second input shaft, the third input shaft passing through the fourth input shaft of the second input shaft.
The automobile hybrid power mechanism further includes a second synchronizer for controlling engagement and disengagement between the eighth gear and the first driven shaft.
The automobile hybrid power mechanism further comprises a third synchronizer, the tenth gear is arranged on the second driven shaft, the second driven shaft is sleeved on the first driven shaft in an empty mode, and the third synchronizer is used for controlling the connection and the disconnection between the first driven shaft and the second driven shaft.
The second synchronizer and the third synchronizer are located between the eighth gear and the second driven shaft.
The sun gear is connected with the third clutch.
The automobile hybrid power mechanism has the following advantages:
(1) The driven gear of the first motor is integrated with the second clutch, so that the structure is simplified, the axial length is reduced, and the space arrangement of the hybrid power mechanism on the whole vehicle is facilitated;
(2) The engine is driven to have 4 gears, so that the engine can work in a high-efficiency area for a longer time;
(3) The 4 gear functions are realized by arranging the planetary gear mechanism and the third clutch C1 on the third shorter input shaft. The second motor is generally larger in axial dimension, basically determines the axial length of the hybrid power mechanism, and the added planetary gear mechanism and the third clutch C1 do not influence the axial space of the hybrid power mechanism;
(4) Through the adjustment of parts and structures, the hybrid architecture with 1,2 and 3 gears can be evolved, and the platform of the hybrid architecture is realized.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic structural view of an automotive hybrid mechanism of the present invention;
The gear is marked by 1, a first input shaft, 2, a first motor, 3, a second motor, 4, a differential, 5, a second input shaft, 6, a third input shaft, 7, a first driven shaft, 8, a sun gear, 9, a planet carrier, 10, a gear ring, 11, a first gear, 12, a second gear, 13, a third gear, 14, a fourth gear, 15, a fifth gear, 16, a sixth gear, 17, a seventh gear, 18, an eighth gear, 19, a ninth gear, 20, a tenth gear, 21, a planet gear, 22, a fourth input shaft, 23, a reduction driving gear, 24, a reduction driven gear, 25, a second driven shaft, C0, a first clutch, C1, a third clutch, C2, a second clutch, S1, a first synchronizer, S2, a second synchronizer, S3 and a third synchronizer.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
As shown in fig. 1, the present invention provides a hybrid power mechanism for an automobile, comprising a first input shaft 1, a first motor 2, a second motor 3, a differential 4, a first clutch C0, a second clutch C2, a second input shaft 5, a third input shaft 6, a planetary gear 21 mechanism and a first driven shaft 7, wherein the first clutch C0 is connected with the first input shaft 1 and the third input shaft 6, the second clutch C2 is connected with the first input shaft 1 and the second input shaft 5, the planetary gear 21 mechanism comprises a sun gear 8, a planet carrier 9, a planetary gear 21 rotatably arranged on the planet carrier 9 and a gear ring 10 connected with the third input shaft 6, the planetary gear 21 is meshed with the gear ring 10 and the sun gear 8, the first motor 2 is connected with the second clutch C2 through a first transmission mechanism, the second driven shaft 7 is connected with the differential 4 through a reduction mechanism, the second transmission mechanism is connected with the reduction mechanism, the second input shaft 5 is connected with the first driven shaft 7 through a third transmission mechanism, the fourth driven shaft 7 is connected with the differential 4 through a fourth transmission mechanism.
Specifically, as shown in fig. 1, the first input shaft 1, the second input shaft 5 and the third input shaft 6 are coaxially arranged, one end of the first input shaft 1 is connected with the engine, the other end of the first input shaft 1 is connected with the first clutch C0 and the second clutch C2, the second input shaft 5 is a hollow shaft, the third input shaft 6 passes through the second input shaft 5, one end of the third input shaft 6 is connected with the first clutch C0, the other end of the third input shaft 6 is coaxially and fixedly connected with the gear ring 10, the first clutch C0 is used for controlling the combination and the separation between the first input shaft 1 and the third input shaft 6, and when the first clutch C0 is in a combined state, the first input shaft 1 can drive the third input shaft 6 to synchronously rotate through the first clutch C0. One end of the second input shaft 5 is connected with a second clutch C2, the second clutch C2 is used for controlling the combination and the separation between the first input shaft 1 and the second input shaft 5, and when the second clutch C2 is in a combination state, the first input shaft 1 can drive the second input shaft 5 to synchronously rotate through the second clutch C2.
As shown in fig. 1, the first transmission mechanism includes a first gear 11 connected to the first motor 2, a second gear 12 meshed with the first gear 11, and a third gear 13 meshed with the second gear 12, the third gear 13 being connected to the first clutch C0 and the second clutch C2. The first gear 11 is fixedly connected with a motor shaft of the first motor 2, the second gear 12 is positioned between the first gear 11 and the third gear 13, and the third gear 13 is sleeved on the second input shaft in an empty mode.
As shown in fig. 1, the second transmission mechanism includes a fourth gear 14 connected to the second motor 3, a fifth gear 15 meshed with the fourth gear 14, and a sixth gear 16 rotated in synchronization with the fifth gear 15, the reduction mechanism includes a reduction driving gear 23 provided on the first driven shaft 7, and a reduction driven gear 24 provided on the differential 4 and meshed with the reduction driving gear 23, and the sixth gear 16 is meshed with the reduction driven gear 24. The fourth gear 14 is fixedly connected with the motor shaft of the second motor 3, the fifth gear 15 and the sixth gear 16 are arranged on the same motor auxiliary shaft, the diameter of the sixth gear 16 is smaller than that of the reduction driven gear 24, and the reduction driven gear 24 is fixedly arranged on the differential mechanism 4. The reduction driving gear 23 is fixedly connected with the first driven shaft 7 in a coaxial manner, and the first driven shaft 7 is parallel to the first input shaft 1.
As shown in fig. 1, the third transmission mechanism includes a seventh gear 17 disposed on the second input shaft 5 and an eighth gear 18 meshed with the seventh gear 17, the eighth gear 18 is sleeved on the first driven shaft 7, the eighth gear 18 can rotate relative to the first driven shaft 7, and the seventh gear 17 and the second input shaft 5 are coaxially and fixedly connected.
As shown in fig. 1, the fourth transmission mechanism includes a ninth gear 19 and a tenth gear 20 meshed with the ninth gear 19, the ninth gear 19 being connected with the carrier 9 and the fourth input shaft 22. The fourth input shaft 22 is a hollow shaft, and the third input shaft 6 passes through the second input shaft 5 and the fourth input shaft 22. The ninth gear 19 is fixedly connected with one end of the fourth input shaft 22 and is coaxial with the fourth input shaft 22, the ninth gear 19 is fixedly connected with the planet carrier 9 and is coaxial with the planet carrier 9, and the ninth gear 19 is positioned between the gear ring 10 and the fourth input shaft 22. The transmission ratio of the third transmission mechanism is larger than that of the fourth transmission mechanism.
As shown in fig. 1, the automotive hybrid mechanism of the invention further includes a first synchronizer S1 for controlling engagement and disengagement between the fourth input shaft 22 and the second input shaft 5, a second synchronizer S2 for controlling engagement and disengagement between the eighth gear 18 and the first driven shaft 7, and a third synchronizer S3 for controlling engagement and disengagement between the first driven shaft 7 and the second driven shaft 25. The first synchronizer S1 is disposed on the fourth input shaft 22, one end of the second input shaft 5 is sleeved on the fourth input shaft 22, and the fourth input shaft 22 can provide a supporting function for the second input shaft 5. The second synchronizer S2 and the third synchronizer S3 are arranged on the first driven shaft 7, the tenth gear 20 is arranged on the second driven shaft 25 and is in coaxial fixed connection with the second driven shaft 25, the second driven shaft 25 is sleeved on the first driven shaft 7 in a hollow mode and is coaxial with the first driven shaft 7, the second synchronizer S2 and the third synchronizer S3 are located between the eighth gear 18 and the second driven shaft 25, and the eighth gear 18 is located between the second synchronizer S2 and the reduction driving gear 23.
As shown in fig. 1, the sun gear 8 is connected to a third clutch C1, the third clutch C1 is used to control the engagement and disengagement between the transmission case and the sun gear 8, and when the third clutch C1 is in the engaged state, the sun gear 8 is braked and the sun gear 8 cannot rotate.
The engine runs at a rotating speed corresponding to the lowest oil consumption point, the engine drives the first clutch C0 or the second clutch C2 to rotate and output power, the first motor 2 runs in the same direction as the running direction of the engine, the engine drives the first motor 2 to run through the first transmission mechanism, the first motor 2 serves as a generator to charge a power battery on an automobile, and the power generated by the engine is transmitted to the differential 4 through the first input shaft 1, the second clutch C2, the second input shaft 5, the third transmission mechanism, the first driven shaft 7 and the speed reducing mechanism in sequence to drive the automobile to run. When the engine and motor parallel driving mode is operated, when the load is larger than the torque at the lowest point of engine oil consumption, the second motor 3 is a motor, the second motor 3 outputs torque, and the power generated by the second motor 3 is sequentially transmitted to the differential 4 through the second transmission mechanism and the reduction driven gear 24.
When the vehicle speed reaches a set value and the vehicle runs at constant speed cruising, the vehicle hybrid mechanism works in an engine direct driving mode, the first motor 2 stops running, the second clutch C2 is in a separation state, the first clutch C0 and the third clutch C1 are in a combination state, the sun gear 8 is braked, the sun gear 8 cannot rotate, the first synchronizer S1 and the second synchronizer S2 are in a combination state, the fourth input shaft 22 and the second input shaft 5 can synchronously rotate, the first driven shaft 7 and the eighth gear 18 can synchronously rotate, the engine drives the first clutch C0 to rotate through the first input shaft 1, and power generated by the engine sequentially passes through the first input shaft 1, the first clutch C0, the third input shaft 6, the gear ring 10, the planet carrier 9, the ninth gear 19, the first synchronizer S1, the seventh gear 17, the eighth gear 18, the second synchronizer S2, the first driven shaft 7, the speed reduction gear 23, the speed reduction driven gear 24, the differential 4 and the output shaft to form a first gear transmission ratio, and the vehicle is driven to run.
When the automobile speed reaches a set value and the automobile runs at constant speed cruising, the automobile hybrid power mechanism works in an engine direct driving mode, the first motor 2 stops running, the first clutch C0 is in a separation state, the second clutch C2 is in a combination state, the second synchronizer S2 is in a combination state, the first driven shaft 7 and the eighth gear 18 can synchronously rotate, the engine drives the second clutch C2 to rotate through the first input shaft 1, and power generated by the engine sequentially passes through the first input shaft 1, the second clutch C2, the second input shaft 5, the seventh gear 17, the eighth gear 18, the second synchronizer S2, the first driven shaft 7, the reduction driving gear 23, the reduction driven gear 24, the differential 4 and the output shaft to form a second gear transmission speed ratio so as to drive the automobile to run.
When the vehicle speed reaches a set value and the vehicle runs at constant speed cruising, the vehicle hybrid mechanism works in an engine direct driving mode, the first motor 2 stops running, the second clutch C2 is in a separation state, the first clutch C0 and the third clutch C1 are in a combination state, the sun gear 8 is braked, the sun gear 8 cannot rotate, the third synchronizer S3 is in a combination state, the first driven shaft 7 and the second driven shaft 25 can synchronously rotate, the engine drives the first clutch C0 to rotate through the first input shaft 1, and power generated by the engine sequentially passes through the first input shaft 1, the first clutch C0, the third input shaft 6, the gear ring 10, the planet carrier 9, the ninth gear 19, the tenth gear 20, the third synchronizer S3, the first driven shaft 7, the speed reduction driving gear 23, the speed reduction driven gear 24, the differential 4 and the output shaft to form a third gear transmission speed ratio so as to drive the vehicle to run.
When the automobile speed reaches a set value and the automobile runs at constant speed cruising, the automobile hybrid power mechanism works in an engine direct driving mode, the first motor 2 stops running, the first clutch C0 and the third clutch C1 are in a separation state, the second clutch C2 is in a combination state, the first synchronizer S1 and the third synchronizer S3 are in a combination state, the fourth input shaft 22 and the second input shaft 5 can synchronously rotate, the first driven shaft 7 and the second driven shaft 25 can synchronously rotate, the engine drives the second clutch C2 to rotate through the first input shaft 1, and power generated by the engine sequentially passes through the first input shaft 1, the second clutch C2, the second input shaft 5, the first synchronizer S1, the ninth gear 19, the tenth gear 20, the third synchronizer S3, the first driven shaft 7, the reduction driving gear 23, the differential 4 and the output shaft to form a four-gear ratio, so that the automobile is driven to run.
The automobile hybrid power mechanism adopts the clutch and the gear transmission mechanism with simple structures to form 4 engine direct drive gears, so that the problem of low electric power flow efficiency can not occur. Because 4 gears are arranged, the engine can work in a high-efficiency interval for a longer time when in direct drive, and the oil consumption is further reduced when the engine cruises at a high speed.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. It is within the scope of the present invention to apply the above-described concepts and technical solutions of the present invention directly to other applications, as long as they are various insubstantial modifications made by using the method concepts and technical solutions of the present invention, or not.
Claims (7)
1. The automobile hybrid power mechanism comprises a first input shaft, a first motor, a second motor and a differential mechanism and is characterized by further comprising a first clutch, a second input shaft, a third input shaft, a planetary gear mechanism and a first driven shaft, wherein the first clutch is connected with the first input shaft and the third input shaft, the second clutch is connected with the first input shaft and the second input shaft, the planetary gear mechanism comprises a sun gear, a planet carrier and a gear ring connected with the third input shaft, the first motor is connected with the second clutch through a first transmission mechanism, the second motor is connected with a second transmission mechanism, the first driven shaft is connected with the differential mechanism through a speed reducing mechanism, the second transmission mechanism is connected with the speed reducing mechanism, the second input shaft is connected with the first driven shaft through a third transmission mechanism, and the planet carrier is connected with the first driven shaft through a fourth transmission mechanism;
The first transmission mechanism comprises a first gear connected with the first motor, a second gear meshed with the first gear and a third gear meshed with the second gear, and the third gear is connected with the second clutch;
The second transmission mechanism comprises a fourth gear connected with the second motor, a fifth gear meshed with the fourth gear and a sixth gear synchronously rotating with the fifth gear, the speed reducing mechanism comprises a speed reducing driving gear arranged on the first driven shaft and a speed reducing driven gear arranged on the differential and meshed with the speed reducing driving gear, and the sixth gear is meshed with the speed reducing driven gear;
the third transmission mechanism comprises a seventh gear arranged on the second input shaft and an eighth gear meshed with the seventh gear, and the eighth gear is sleeved on the first driven shaft in a hollow mode.
2. The hybrid vehicle as set forth in claim 1, wherein said fourth transmission includes a ninth gear and a tenth gear meshed with the ninth gear, the ninth gear being connected with said carrier and fourth input shaft.
3. The hybrid vehicle of claim 2, further comprising a first synchronizer for controlling engagement and disengagement between said fourth input shaft and said second input shaft, said third input shaft passing through and said second input shaft fourth input shaft.
4. The hybrid vehicle mechanism as set forth in claim 2, further comprising a second synchronizer for controlling engagement and disengagement between said eighth gear and said first driven shaft.
5. The hybrid vehicle mechanism as set forth in claim 4, further comprising a third synchronizer disposed on the second driven shaft, the second driven shaft being over-fitted with the first driven shaft, the third synchronizer being for controlling engagement and disengagement between the first driven shaft and the second driven shaft.
6. The hybrid vehicle mechanism as set forth in claim 5, wherein said second synchronizer and said third synchronizer are located between said eighth gear and said second driven shaft.
7. The hybrid vehicle according to claim 1 to 6, wherein the sun gear is connected to the third clutch.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110466338A (en) * | 2019-08-22 | 2019-11-19 | 中汽研（天津）汽车工程研究院有限公司 | A kind of single planetary row power dividing hybrid power system |
| CN116039365A (en) * | 2022-10-25 | 2023-05-02 | 南京邦奇自动变速箱有限公司 | Hybrid power mechanism for automobile |
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| JP3640954B2 (en) * | 2003-06-12 | 2005-04-20 | 本田技研工業株式会社 | Power transmission device for hybrid vehicle |
| JP5309000B2 (en) * | 2009-11-24 | 2013-10-09 | 本田技研工業株式会社 | Hybrid vehicle |
| CN102720809B (en) * | 2011-03-30 | 2016-03-02 | 比亚迪股份有限公司 | A kind of speed changer and comprise the vehicle of this speed changer |
| CN105329097B (en) * | 2014-07-31 | 2019-06-21 | 比亚迪股份有限公司 | Powertrain for vehicle and vehicle having the same |
| CN104842772B (en) * | 2015-03-27 | 2016-04-13 | 比亚迪股份有限公司 | Power drive system and there is its vehicle |
| CN108001201B (en) * | 2016-10-31 | 2021-07-09 | 比亚迪股份有限公司 | Powertrain of a vehicle and vehicle having the same |
| KR102529390B1 (en) * | 2018-06-14 | 2023-05-04 | 현대자동차 주식회사 | Power transmission apparatus for vehicle |
| CN113719607A (en) * | 2021-07-16 | 2021-11-30 | 重庆青山工业有限责任公司 | DCT power device adopting planetary gear transmission |
| CN116238316A (en) * | 2023-01-06 | 2023-06-09 | 中国第一汽车股份有限公司 | Hybrid power system and vehicle with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466338A (en) * | 2019-08-22 | 2019-11-19 | 中汽研（天津）汽车工程研究院有限公司 | A kind of single planetary row power dividing hybrid power system |
| CN116039365A (en) * | 2022-10-25 | 2023-05-02 | 南京邦奇自动变速箱有限公司 | Hybrid power mechanism for automobile |
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