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CN115257341A - Multimodal hybrid drive system and method - Google Patents

Multimodal hybrid drive system and method Download PDF

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Publication number
CN115257341A
CN115257341A CN202210863794.9A CN202210863794A CN115257341A CN 115257341 A CN115257341 A CN 115257341A CN 202210863794 A CN202210863794 A CN 202210863794A CN 115257341 A CN115257341 A CN 115257341A
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CN
China
Prior art keywords
gear
motor
input
power
clutch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210863794.9A
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Chinese (zh)
Inventor
余顶建
王文君
晏继斌
刁富强
蔺月萌
张子川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Tsingshan Industrial Co Ltd
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Chongqing Tsingshan Industrial Co Ltd
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Publication date
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Priority to CN202210863794.9A priority Critical patent/CN115257341A/en
Publication of CN115257341A publication Critical patent/CN115257341A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • B60K2006/266—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 with two coaxial motors or generators
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a multi-mode hybrid power driving system.A second motor is connected with a hollow shaft, and a first input gear and a second input gear are respectively fixed on the hollow shaft in the circumferential direction; the input shaft penetrates through the hollow shaft, one end of the input shaft is connected with the engine, and the third input gear and the input shaft are circumferentially fixed; the first-gear driven gear, the second-gear driven gear, the synchronizer and the output gear are respectively fixed on the intermediate shaft in the circumferential direction, the first-gear driven gear is meshed with the first input gear to form a first gear pair, and the second-gear driven gear is meshed with the second input gear to form a second gear pair; the synchronizer is positioned between the first-gear driven gear and the second-gear driven gear, the output gear is matched with the differential, the first motor is fixed with the other end of the input shaft, the third driven gear is fixed with the driving part of the clutch, the driven part of the clutch is fixed with the intermediate shaft, and the third driven gear is meshed with the third input gear to form a third gear pair. The invention can improve the dynamic property and the driving performance of the automobile.

Description

Multi-modal hybrid drive system and method
Technical Field
The invention relates to the technical field of automobile transmission, in particular to a multi-mode hybrid power driving system and a multi-mode hybrid power driving method.
Background
The traditional fuel oil automobile usually uses petroleum as an energy source, and with the shortage of resources and environmental pollution caused by automobile exhaust emission, the national restriction on automobile exhaust emission is more and more strict, so that the research and development directions of many automobile manufacturers gradually tend to new energy automobiles with low emission and low oil consumption.
However, a pure electric vehicle in a new energy vehicle has the problems that the cost of the whole vehicle is high, the charging time is long, the battery life is unstable and the like, which are difficult to solve in a short period, and a hybrid electric vehicle is also taken as a new energy vehicle, and has the advantages of a traditional fuel vehicle and a pure electric vehicle at the same time.
At present, what current hybrid vehicle adopted usually is an engine and a motor, keeps off the position and has generally 5 or more, causes the redundant problem in fender position easily, and the cost is higher, whole car arranges the difficulty, and the limitation of popularization is great, and in addition, some hybrid vehicles can not advance start-up engine, and the effect of economizing on fuel is relatively poor, perhaps power interruption when shifting gears, and the driving experience is felt poorly.
Disclosure of Invention
The invention provides a multi-mode hybrid power driving system and a method, which can improve the dynamic property and the driving performance of an automobile.
The technical scheme for solving the problems is as follows:
the multimode hybrid power driving system comprises a second motor, a hollow shaft, a first input gear, a second input gear, an input shaft, a third input gear, an engine, an output gear, a secondary driven gear, a synchronizer, a primary driven gear, an intermediate shaft and a differential mechanism;
the second motor is connected with the hollow shaft, and the first input gear and the second input gear are respectively fixed on the hollow shaft in the circumferential direction; the input shaft penetrates through the hollow shaft, one end of the input shaft is connected with the engine, and the third input gear and the input shaft are circumferentially fixed;
the first-gear driven gear, the second-gear driven gear, the synchronizer and the output gear are respectively fixed on the intermediate shaft in the circumferential direction, the first-gear driven gear is meshed with the first input gear to form a first gear pair, and the second-gear driven gear is meshed with the second input gear to form a second gear pair; the synchronizer is located one and keeps off driven gear and keep off between the driven gear, and output gear and differential mechanism cooperation still include:
the first motor is fixed to the other end of the input shaft, the third driven gear is fixed to a driving portion of the clutch, a driven portion of the clutch is fixed to the intermediate shaft, and the third driven gear is meshed with the third input gear to form a third gear pair.
The multi-mode hybrid power driving system is driven by combining the clutches, disconnecting the synchronizers, transmitting power to the input shaft by the engine through the torque damper, transmitting the power to the intermediate shaft by the power of the input shaft through the third input gear, the third driven gear and the clutches, transmitting the power to the differential by the intermediate shaft through the output gear, and finally outputting the power by the differential, and simultaneously transmitting the power to the first motor by the engine through the torque damper and the input shaft so that the first motor rotates to charge the battery.
The multi-mode hybrid power driving system is adopted, an engine and a first motor stop running, a clutch is disconnected, a synchronizer is combined with a first driven gear or a second driven gear, power output by a second motor is transmitted to an intermediate shaft through a hollow shaft, a first gear pair or a second gear pair and the synchronizer in sequence, and then the intermediate shaft transmits the power to a differential through an output gear.
The multi-mode hybrid power driving system is adopted for driving, the engine and the second motor run simultaneously, the clutch is combined, the synchronizer is combined with the first driven gear or the second driven gear, and power output by the second motor is transmitted to the intermediate shaft through the hollow shaft, the first gear pair or the second gear pair and the synchronizer in sequence; meanwhile, the power output by the engine is transmitted to the intermediate shaft through the third input gear, the third driven gear and the clutch by the input shaft, then transmitted to the differential by the intermediate shaft through the output gear, and finally output by the differential, and meanwhile, the power output by the engine is transmitted to the first motor by the input shaft, so that the first motor rotates to charge the battery.
The multi-mode hybrid power driving system is adopted in the driving method, the engine and the second motor run simultaneously, the clutch is disconnected, the synchronizer is combined with the first driven gear or the second driven gear, the power output by the engine is transmitted to the first motor through the input shaft, the first motor works to charge the battery, the power output by the second motor is transmitted to the intermediate shaft through the hollow shaft, the first gear pair or the second gear pair and the synchronizer in sequence, then the intermediate shaft transmits the power to the differential through the output gear, and finally the differential outputs the power.
The method adopts a multi-mode hybrid power driving system driving method, when the whole vehicle is braked, a clutch is disconnected, a synchronizer is combined with a first driven gear or a second driven gear, the braking energy of the whole vehicle is transmitted to an intermediate shaft through a differential and an output gear, the intermediate shaft transmits the energy to a second motor through a first gear pair or a second gear pair, and the second motor rotates to charge a battery;
when the whole vehicle idles, the clutch and the synchronizer are disconnected, the engine is in an idling state, and power output by the engine is transmitted to the first motor through the input shaft, so that the first motor rotates to charge the battery.
The multi-mode hybrid power driving system is adopted to drive the clutch and the synchronizer to be disconnected, the second motor stops running, and power output by the first motor is transmitted to the engine through the input shaft, so that the engine is started.
By adopting the driving method of the multi-mode hybrid power driving system, when the second motor drives the gear to shift, the clutch is combined, the power output by the first motor is transmitted to the intermediate shaft through the input shaft, the third input gear, the third driven gear and the clutch in sequence, then the intermediate shaft transmits the power to the differential through the output gear, and finally the differential outputs the power.
The beneficial effects of the invention are as follows: the first motor is used for power compensation in the gear shifting process of the transmission to ensure that power cannot be interrupted, the first motor is used for power assistance in the accelerating process, and the engine can be started during advancing, so that the driving system is ensured to have good dynamic property and driving performance. Two pure electric gears have better adaptability to the high-efficiency region of the second motor, so that the working efficiency and the economical efficiency of the motor are improved. In addition, the first motor and the second motor are arranged on the same side of the transmission, the structure is simple, the space size is small, the driving system tends to be miniaturized, the three-cylinder engine and the four-cylinder engine can be arranged in a three-cylinder engine cabin and a four-cylinder engine cabin in a market, and the three-cylinder engine and the four-cylinder engine can be suitable for more vehicle types. The invention also has various high-efficiency driving modes such as pure electric, pure engine, hybrid driving, energy recovery and the like, so that the engine is kept to operate in a high-efficiency interval, the fuel economy is good, and the aims of reducing the oil consumption and reducing the pollutant emission are fulfilled.
Drawings
Fig. 1 is a block diagram of a multi-mode hybrid drive system.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations and positional relationships based on those illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are described in more detail with reference to the drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention in a simple manner. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without making creative efforts, shall fall within the protection scope of the invention. The invention is described in detail below with reference to the following figures and specific examples:
as shown in fig. 1, the multi-mode hybrid driving system of the present invention includes a first motor 1, a second motor 2, a hollow shaft 3, a first input gear 4, a second input gear 5, an input shaft 6, a third input gear 7, an engine 9, a third driven gear 10, a clutch 11, an output gear 12, a second driven gear 13, a synchronizer 14, a first driven gear 15, an intermediate shaft 16, and a differential 17, and the relationship between these components is described in detail below:
the second motor 2 is connected with the hollow shaft 3, and the first input gear 4 and the second input gear 5 are respectively fixed on the hollow shaft 3 in the circumferential direction; the input shaft 6 penetrates through the hollow shaft 3, one end of the input shaft 6 is connected with an engine 9, a third input gear 7 is circumferentially fixed with the input shaft 6, and a third driven gear 10 is meshed with the third input gear 7 to form a third gear pair.
The first motor 1 is fixed to the other end of the input shaft 6, the third driven gear 10 is fixed to a driving portion of the clutch 11, a driven portion of the clutch 11 is fixed to the intermediate shaft 16, the clutch 11 is a dry clutch or a wet clutch, the driving portion of the clutch 11 is a driving hub of the clutch 11, and the driven portion of the clutch 11 is a driven plate of the clutch 11.
The first-gear driven gear 15, the second-gear driven gear 13, the synchronizer 14 and the output gear 12 are respectively fixed on an intermediate shaft 16 in the circumferential direction, the first-gear driven gear 15 is meshed with the first input gear 4 to form a first gear pair, and the second-gear driven gear 13 is meshed with the second input gear 5 to form a second gear pair; the synchronizer 14 is located between the first gear driven gear 15 and the second gear driven gear 13, the output gear 12 is matched with a differential 17, and a differential main reduction gear 18 on the differential 17 is meshed with the output gear 12.
In this embodiment, the hybrid vehicle further includes a torsional damper 8, one end of the torsional damper 8 is fixed to one end of the input shaft 6, and the other end of the torsional damper 8 is fixed to the engine 9.
In this embodiment, the first electric machine 1 and the second electric machine 2 share the same battery set, or different battery sets may be used, and the engine 9 may be a three-cylinder or four-cylinder engine, or other engines with similar functions. The first motor 1 and the second motor 2 are arranged on the same side, and the engine 9 is arranged opposite to the first motor 1 and the second motor 2. The hollow shaft 3, the input shaft 6, the intermediate shaft 16 and the differential 17 are mounted on the transmission housing by bearings.
According to the structure, the multi-mode hybrid power driving system has the following driving modes in different methods:
1. engine only mode:
the clutch 11 is engaged, the synchronizer 14 is disengaged, the engine 9 transmits power to the input shaft 6 through the torque damper 8, the power of the input shaft 6 transmits the power to the intermediate shaft 16 through the third input gear 7, the third driven gear 10 and the clutch 11, then the intermediate shaft 16 transmits the power to the differential 17 through the output gear 12, finally the differential 17 outputs the power, and meanwhile, the engine 9 transmits the power to the first motor 1 through the torque damper 8 and the input shaft 6, so that the first motor 1 rotates to charge the battery.
2. Pure electric drive mode:
when the multi-mode hybrid power driving system is in a pure electric driving mode, the engine 9 and the first motor 1 stop running, the clutch 11 is disconnected, the synchronizer 14 is combined with the first driven gear 15 or the second driven gear 13, power output by the second motor 2 is transmitted to the intermediate shaft 16 through the hollow shaft 3, the first gear pair or the second gear pair and the synchronizer 14 in sequence, and then the intermediate shaft 16 transmits the power to the differential 17 through the output gear 12.
3. Hybrid drive mode:
when the multi-mode hybrid power driving system is in a hybrid driving mode, the engine 9 and the second motor 2 run simultaneously, the clutch 11 is combined, the synchronizer 14 is combined with the first driven gear 15 or the second driven gear 13, and power output by the second motor 2 is transmitted to the intermediate shaft 16 through the hollow shaft 3, the first gear pair or the second gear pair and the synchronizer 14 in sequence; meanwhile, the power output by the engine 9 is transmitted to the intermediate shaft 16 through the input shaft 6 via the third input gear 7, the third driven gear 10 and the clutch 11, then transmitted to the differential 17 through the output gear 12 via the intermediate shaft 16, and finally output by the differential 17, and meanwhile, the power output by the engine 9 is transmitted to the first motor 1 through the input shaft 6, so that the first motor 1 rotates to charge the battery.
4. A range-extended driving mode:
the engine 9 and the second motor 2 run simultaneously, the clutch 11 is disconnected, the synchronizer 14 is combined with the first driven gear 15 or the second driven gear 13, the power output by the engine 9 is transmitted to the first motor 1 through the input shaft 6, the first motor 1 is enabled to work to charge the battery, the power output by the second motor 2 is transmitted to the intermediate shaft 16 through the hollow shaft 3, the first gear pair or the second gear pair and the synchronizer 14 in sequence, then the intermediate shaft 16 transmits the power to the differential 17 through the output gear 12, and finally the differential 17 outputs the power.
5. Energy recovery mode:
when the whole vehicle is braked, the clutch 11 is disconnected, the synchronizer 14 is combined with the first driven gear 15 or the second driven gear 13, the braking energy of the whole vehicle is transmitted to the intermediate shaft 16 through the differential 17 and the output gear 12, the intermediate shaft 16 transmits the energy to the second motor 2 through the first gear pair or the second gear pair, and the second motor 2 is enabled to rotate to be used for charging the battery;
when the whole vehicle is idling, the clutch 11 and the synchronizer 14 are both disconnected, the engine 9 is in an idling state, power output by the engine 9 is transmitted to the first motor 1 through the input shaft 6, and the first motor 1 is rotated to charge the battery.
6. Starting an engine mode:
the clutch 11 and the synchronizer 14 are disconnected, the second motor 2 stops running, and the power output by the first motor 1 is transmitted to the engine 9 through the input shaft 6, so that the engine is started, and the purpose of starting the engine 9 is achieved.
7. And (3) power compensation mode:
when the second motor 2 drives the gear to shift, the clutch 11 is combined, the power output by the first motor 1 is transmitted to the intermediate shaft 16 through the input shaft 6, the third input gear 7, the third driven gear 10 and the clutch 11 in sequence, then the intermediate shaft 16 transmits the power to the differential 17 through the output gear 12, and finally the differential 17 outputs the power, so that the power compensation and the power uninterrupted are realized.

Claims (10)

1.多模态的混合动力驱动系统，包括第二电机（2）、空心轴（3）、第一输入齿轮（4）、第二输入齿轮（5）、输入轴（6）、第三输入齿轮（7）、发动机（9）、输出齿轮（12）、二挡从动齿轮（13）、同步器（14）、一挡从动齿轮（15）、中间轴（16）、差速器（17）；1. A multi-mode hybrid drive system, including a second motor (2), a hollow shaft (3), a first input gear (4), a second input gear (5), an input shaft (6), and a third input Gear (7), engine (9), output gear (12), second gear driven gear (13), synchronizer (14), first gear driven gear (15), intermediate shaft (16), differential ( 17); 第二电机（2）与空心轴（3）连接，第一输入齿轮（4）和第二输入齿轮（5）分别周向固定在空心轴（3）上；输入轴（6）穿过空心轴（3），输入轴（6）的一端与发动机（9）连接，第三输入齿轮（7）与输入轴（6）周向固定；The second motor (2) is connected with the hollow shaft (3), and the first input gear (4) and the second input gear (5) are respectively circumferentially fixed on the hollow shaft (3); the input shaft (6) passes through the hollow shaft (3), one end of the input shaft (6) is connected to the engine (9), and the third input gear (7) is circumferentially fixed to the input shaft (6); 一挡从动齿轮（15）、二挡从动齿轮（13）、同步器（14）以及输出齿轮（12）分别周向固定在在中间轴（16）上，一挡从动齿轮（15）与第一输入齿轮（4）啮合形成第一齿轮副，二挡从动齿轮（13）与第二输入齿轮（5）啮合形成第二齿轮副；同步器（14）位于一挡从动齿轮（15）和二挡从动齿轮（13）之间，输出齿轮（12）与差速器（17）配合，其特征在于，还包括：The first gear driven gear (15), the second gear driven gear (13), the synchronizer (14) and the output gear (12) are respectively circumferentially fixed on the intermediate shaft (16), and the first gear driven gear (15) It meshes with the first input gear (4) to form the first gear pair, and the second gear driven gear (13) meshes with the second input gear (5) to form the second gear pair; the synchronizer (14) is located on the first gear driven gear ( Between 15) and the second gear driven gear (13), the output gear (12) cooperates with the differential (17), which is characterized in that it also includes: 第一电机（1）、第三从动齿轮（10）、离合器（11），第一电机（1）与输入轴（6）的另一端固定，第三从动齿轮（10）与离合器（11）的驱动部分固定，离合器（11）的从动部分与中间轴（16）固定，第三从动齿轮（10）与第三输入齿轮（7）啮合形成第三齿轮副。The first motor (1), the third driven gear (10), the clutch (11), the first motor (1) and the other end of the input shaft (6) are fixed, the third driven gear (10) and the clutch (11) ) is fixed, the driven part of the clutch (11) is fixed to the intermediate shaft (16), and the third driven gear (10) meshes with the third input gear (7) to form a third gear pair. 2.根据权利要求1所述的多模态的混合动力驱动系统，其特征在于，还包括扭矩减震器（8），扭矩减震器（8）的一端与输入轴（6）的一端固定，扭矩减震器（8）的另一端与发动机（9）固定。2. The multi-mode hybrid drive system according to claim 1, further comprising a torque shock absorber (8), one end of the torque shock absorber (8) is fixed to one end of the input shaft (6) , the other end of the torque shock absorber (8) is fixed with the engine (9). 3.根据权利要求1所述的多模态的混合动力驱动系统，其特征在于，离合器（11）采用干式离合器或湿式离合器。3. The multi-mode hybrid drive system according to claim 1, characterized in that the clutch (11) is a dry clutch or a wet clutch. 4.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，离合器（11）结合，同步器（14）断开，发动机（9）经扭矩减震器（8）向输入轴（6）传递动力，输入轴（6）的动力经第三输入齿轮（7）、第三从动齿轮（10）、离合器（11）将动力传递到中间轴（16）上，然后中间轴（16）通过输出齿轮（12）将动力传递给差速器（17），最终由差速器（17）输出动力，同时，发动机（9）经扭矩减震器（8）、输入轴（6）将动力传递给第一电机（1），使第一电机（1）旋转以用于对电池进行充电。4. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that, the clutch (11) is engaged, the synchronizer (14) is disconnected, and the engine (9) is torque-reduced The vibrator (8) transmits power to the input shaft (6), and the power of the input shaft (6) transmits the power to the intermediate shaft ( 16), then the intermediate shaft (16) transmits the power to the differential (17) through the output gear (12), and finally the differential (17) outputs the power. At the same time, the engine (9) passes through the torque absorber ( 8). The input shaft (6) transmits power to the first motor (1), so that the first motor (1) rotates for charging the battery. 5.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，发动机（9）和第一电机（1）停止运转，离合器（11）断开，同步器（14）与第一从动齿轮（15）或者第二从动齿轮（13）结合，第二电机（2)输出的动力依次经空心轴（3）、第一齿轮副或第二齿轮副、同步器（14）传递到中间轴（16），然后中间轴（16）通过输出齿轮（12）将动力传递给差速器（17）。5. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that the engine (9) and the first motor (1) are stopped, the clutch (11) is disconnected, The synchronizer (14) is combined with the first driven gear (15) or the second driven gear (13), and the power output by the second motor (2) passes through the hollow shaft (3), the first gear pair or the second gear in sequence The auxiliary and synchronizer (14) transmit to the intermediate shaft (16), and then the intermediate shaft (16) transmits the power to the differential (17) through the output gear (12). 6.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，发动机（9）和第二电机（2）同时运转，离合器（11）结合，同步器（14）与第一从动齿轮（15）或者第二从动齿轮（13）结合，第二电机（2)输出的动力依次经空心轴（3）、第一齿轮副或第二齿轮副、同步器（14）传递到中间轴（16）；同时，发动机（9）输出的动力由输入轴（6）经第三输入齿轮（7）、第三从动齿轮（10）、离合器（11）传递到中间轴（16）上，再由中间轴（16）通过输出齿轮（12）传递给差速器（17），最终由差速器（17）输出动力，同时发动机（9）输出的动力由输入轴（6）传递给第一电机（1），使第一电机（1）旋转以用于对电池进行充电。6. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that the engine (9) and the second motor (2) run simultaneously, the clutch (11) is engaged, and the synchronization The device (14) is combined with the first driven gear (15) or the second driven gear (13), and the power output by the second motor (2) passes through the hollow shaft (3), the first gear pair or the second gear pair in sequence , the synchronizer (14) is transmitted to the intermediate shaft (16); at the same time, the power output by the engine (9) is passed by the input shaft (6) through the third input gear (7), the third driven gear (10), the clutch (11 ) to the intermediate shaft (16), and then the intermediate shaft (16) transmits to the differential (17) through the output gear (12), and finally the differential (17) outputs power, and the engine (9) outputs The power is transmitted to the first motor (1) by the input shaft (6), so that the first motor (1) rotates for charging the battery. 7.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，发动机（9）和第二电机（2）同时运转，离合器（11）断开，同步器（14）与第一从动齿轮（15）或者第二从动齿轮（13）结合，发动机（9）输出的动力由输入轴（6）传递给第一电机（1），使第一电机（1）工作以用于对电池进行充电，第二电机（2）输出的动力依次经空心轴（3）、第一齿轮副或第二齿轮副、同步器（14）传递到中间轴（16），然后中间轴（16）通过输出齿轮（12）将动力传递给差速器（17），最终由差速器（17）输出动力。7. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that the engine (9) and the second electric motor (2) are running at the same time, the clutch (11) is disconnected, The synchronizer (14) is combined with the first driven gear (15) or the second driven gear (13), and the power output by the engine (9) is transmitted to the first motor (1) by the input shaft (6), so that the first The motor (1) works to charge the battery, and the power output by the second motor (2) is transmitted to the intermediate shaft ( 16), then the intermediate shaft (16) transmits the power to the differential (17) through the output gear (12), and finally the differential (17) outputs the power. 8.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，当整车制动时，离合器（11）断开，同步器（14）与第一从动齿轮（15）或第二从动齿轮（13）结合，整车制动能量通过差速器（17）、输出齿轮（12）传递至中间轴（16），中间轴（16）再通过第一齿轮副或第二齿轮副将能量传递至第二电机（2），使第二电机（2）旋转以用于对电池进行充电；8. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that, when the vehicle brakes, the clutch (11) is disconnected, and the synchronizer (14) and the first Combined with the first driven gear (15) or the second driven gear (13), the braking energy of the whole vehicle is transmitted to the intermediate shaft (16) through the differential (17) and the output gear (12), and then the intermediate shaft (16) transmitting energy to the second motor (2) through the first gear pair or the second gear pair, so that the second motor (2) rotates for charging the battery; 当整车怠速时，使离合器（11）和同步器（14）均断开，发动机（9）处于怠速状态，发动机（9）输出的动力通过输入轴（6）传递给第一电机（1），使第一电机（1）旋转以用于对电池进行充电。When the vehicle is idling, both the clutch (11) and the synchronizer (14) are disconnected, the engine (9) is in an idling state, and the power output by the engine (9) is transmitted to the first motor (1) through the input shaft (6) , to rotate the first motor (1) for charging the battery. 9.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，使离合器（11）和同步器（14）均断开，第二电机（2）停止运行，第一电机（1）输出的动力经输入轴（6）传递到发动机（9），从而启动发动机（9）。9. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that the clutch (11) and the synchronizer (14) are both disconnected, and the second motor (2) Stop running, the power output by the first motor (1) is transmitted to the engine (9) through the input shaft (6), thereby starting the engine (9). 10.采用权利要求1-3任意一项所述多模态的混合动力驱动系统的驱动方法，其特征在于，第二电机（2）驱动档位换档过程时，离合器（11）结合，第一电机（1）输出的动力依次通过输入轴（6）、第三输入齿轮（7）、第三从动齿轮（10）、离合器（11）传递到中间轴（16），然后中间轴（16）通过输出齿轮（12）将动力传递给差速器（17），最终由差速器（17）输出动力。10. The driving method of the multi-mode hybrid drive system according to any one of claims 1-3, characterized in that, when the second motor (2) drives the gear shifting process, the clutch (11) is engaged, and the second The power output by a motor (1) is sequentially transmitted to the intermediate shaft (16) through the input shaft (6), the third input gear (7), the third driven gear (10), and the clutch (11), and then the intermediate shaft (16 ) transmits the power to the differential (17) through the output gear (12), and finally the power is output by the differential (17).
CN202210863794.9A 2022-07-22 2022-07-22 Multimodal hybrid drive system and method Pending CN115257341A (en)

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