CN113492667B - Hybrid drive system and vehicle - Google Patents
Hybrid drive system and vehicle Download PDFInfo
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- CN113492667B CN113492667B CN202010201152.3A CN202010201152A CN113492667B CN 113492667 B CN113492667 B CN 113492667B CN 202010201152 A CN202010201152 A CN 202010201152A CN 113492667 B CN113492667 B CN 113492667B
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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
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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
- B60K6/42—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 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
- B60K6/445—Differential gearing distribution 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
- 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
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
本发明属于车辆变速器技术领域，提供一种混合动力驱动系统及车辆，该混合动力驱动系统包括发动机、电机及七挡混合动力变速器，所述七挡混合动力变速器包括离合器K1、离合器K0、第一主减齿轮、2挡从动齿轮、6挡从动齿轮、3挡从动齿轮、第一输出轴、5挡主动齿轮、3挡主动齿轮、1挡主动齿轮、内输入轴、1挡从动齿轮、第二输出轴、5挡从动齿轮、4挡从动齿轮、倒挡齿轮、第二主减齿轮、差速器、差速器齿圈、4/6挡主动齿轮、2挡主动齿轮、外输入轴、离合器K2及同步装置。本发明实施例的混合动力驱动系统，以简单结构实现纯电及混合驱动，达到节能减排的效果，具有轴向长度短、效率高及低能耗等优势。
The present invention belongs to the technical field of vehicle transmission, and provides a hybrid power drive system and a vehicle, wherein the hybrid power drive system comprises an engine, a motor and a seven-speed hybrid power transmission, wherein the seven-speed hybrid power transmission comprises a clutch K1, a clutch K0, a first main reduction gear, a 2nd gear driven gear, a 6th gear driven gear, a 3rd gear driven gear, a first output shaft, a 5th gear driving gear, a 3rd gear driving gear, a 1st gear driving gear, an inner input shaft, a 1st gear driven gear, a second output shaft, a 5th gear driven gear, a 4th gear driven gear, a reverse gear, a second main reduction gear, a differential, a differential gear ring, a 4th/6th gear driving gear, a 2nd gear driving gear, an outer input shaft, a clutch K2 and a synchronization device. The hybrid power drive system of the embodiment of the present invention realizes pure electric and hybrid drive with a simple structure, achieves the effect of energy saving and emission reduction, and has the advantages of short axial length, high efficiency and low energy consumption.
Description
技术领域Technical Field
本发明属于车辆变速器技术领域，特别是涉及一种混合动力驱动系统及车辆。The present invention belongs to the technical field of vehicle transmissions, and in particular relates to a hybrid power drive system and a vehicle.
背景技术Background technique
随着汽车行业的发展，国家对于环境保护的日益重视，汽车排放法规也日趋严格，用户对整车安全性、舒适性及油耗经济性的要求也越来越高，混合动力驱动汽车日益成为传统动力驱动汽车过渡到纯电动驱动汽车期间的主流趋势。With the development of the automobile industry, the country pays more and more attention to environmental protection, automobile emission regulations are becoming more and more stringent, and users have higher and higher requirements for vehicle safety, comfort and fuel economy. Hybrid-powered vehicles are increasingly becoming the mainstream trend during the transition from traditional power-driven vehicles to pure electric-powered vehicles.
混合动力驱动汽车通常采用双离合自动变速器，现有的双离合自动变速器结构较为复杂，通常只能实现部分挡位的纯电及混合驱动，效率低，制造成本高，油耗高，不能够满足日益严峻的排放标准。Hybrid-powered vehicles usually use dual-clutch automatic transmissions. Existing dual-clutch automatic transmissions have a relatively complex structure and can usually only achieve pure electric and hybrid drive in some gears. They have low efficiency, high manufacturing costs, high fuel consumption, and cannot meet increasingly stringent emission standards.
发明内容Summary of the invention
本发明所要解决的技术问题是：针对现有的双离合自动变速器通常只能实现部分挡位的纯电及混合驱动，存在效率低、油耗高，不能够满足日益严峻的排放标准的问题，提供一种混合动力驱动系统及车辆。The technical problem to be solved by the present invention is: in view of the fact that the existing dual-clutch automatic transmission can usually only realize pure electric and hybrid drive in some gears, has the problems of low efficiency, high fuel consumption, and cannot meet the increasingly stringent emission standards, a hybrid power drive system and vehicle are provided.
为解决上述技术问题，一方面，本发明实施例提供一种混合动力驱动系统，包括发动机、电机及七挡混合动力变速器，所述七挡混合动力变速器包括离合器K1、离合器K0、第一主减齿轮、2挡从动齿轮、6挡从动齿轮、3挡从动齿轮、第一输出轴、5挡主动齿轮、3挡主动齿轮、1挡主动齿轮、内输入轴、1挡从动齿轮、第二输出轴、5挡从动齿轮、4挡从动齿轮、倒挡齿轮、第二主减齿轮、差速器、差速器齿圈、4/6挡主动齿轮、2挡主动齿轮、外输入轴、离合器K2及同步装置：To solve the above technical problems, on the one hand, an embodiment of the present invention provides a hybrid drive system, including an engine, a motor and a seven-speed hybrid transmission, wherein the seven-speed hybrid transmission includes a clutch K1, a clutch K0, a first main reduction gear, a 2nd gear driven gear, a 6th gear driven gear, a 3rd gear driven gear, a first output shaft, a 5th gear driving gear, a 3rd gear driving gear, a 1st gear driving gear, an inner input shaft, a 1st gear driven gear, a second output shaft, a 5th gear driven gear, a 4th gear driven gear, a reverse gear, a second main reduction gear, a differential, a differential ring gear, a 4th/6th gear driving gear, a 2nd gear driving gear, an outer input shaft, a clutch K2 and a synchronization device:
所述外输入轴同轴套设在所述内输入轴的外部，所述内输入轴通过离合器K1与电机连接，所述外输入轴通过离合器K2与电机连接，所述电机通过离合器K0与所述发动机连接；所述内输入轴上向远离发动机的方向依次固定有所述5挡主动齿轮、3挡主动齿轮及1挡主动齿轮，所述外输入轴上向远离发动机的方向依次固定有所述2挡主动齿轮及4/6挡主动齿轮；The outer input shaft is coaxially sleeved on the outside of the inner input shaft, the inner input shaft is connected to the motor through a clutch K1, the outer input shaft is connected to the motor through a clutch K2, and the motor is connected to the engine through a clutch K0; the 5th gear driving gear, the 3rd gear driving gear and the 1st gear driving gear are fixed in sequence on the inner input shaft in a direction away from the engine, and the 2nd gear driving gear and the 4th/6th gear driving gear are fixed in sequence on the outer input shaft in a direction away from the engine;
所述第一输出轴、第二输出轴及外输入轴平行间隔设置，所述第一输出轴上向远离发动机的方向依次空套有所述2挡从动齿轮、6挡从动齿轮及3挡从动齿轮，所述第二输出轴上向远离发动机的方向依次空套有所述倒挡齿轮、4挡从动齿轮、5挡从动齿轮及1挡从动齿轮；所述1挡主动齿轮和1挡从动齿轮啮合，所述2挡从动齿轮同时与所述2挡主动齿轮及倒挡齿轮啮合，所述3挡主动齿轮与所述3挡从动齿轮啮合，所述4/6挡主动齿轮同时与所述4挡从动齿轮及6挡从动齿轮啮合，所述5挡主动齿轮与所述5挡从动齿轮啮合；所述第一主减齿轮固定在所述第一输出轴上，所述第二主减齿轮固定在所述第二输出轴上，所述第一主减齿轮及第二主减齿轮同时与所述差速器齿圈啮合，所述差速器齿圈设置在所述差速器上；The first output shaft, the second output shaft and the external input shaft are arranged in parallel and spaced apart. The first output shaft is provided with the 2nd gear driven gear, the 6th gear driven gear and the 3rd gear driven gear in sequence in a direction away from the engine. The second output shaft is provided with the reverse gear, the 4th gear driven gear, the 5th gear driven gear and the 1st gear driven gear in sequence in a direction away from the engine. The 1st gear driving gear is meshed with the 1st gear driven gear, the 2nd gear driven gear is meshed with the 2nd gear driving gear and the reverse gear at the same time, the 3rd gear driving gear is meshed with the 3rd gear driven gear, the 4/6th gear driving gear is meshed with the 4th gear driven gear and the 6th gear driven gear at the same time, and the 5th gear driving gear is meshed with the 5th gear driven gear. The first main reduction gear is fixed on the first output shaft, the second main reduction gear is fixed on the second output shaft, the first main reduction gear and the second main reduction gear are meshed with the differential gear ring at the same time, and the differential gear ring is arranged on the differential.
所述同步装置用于控制所有的空套齿轮与其所处的输出轴的结合和分离，以实现7个前进挡和倒挡。The synchronization device is used to control the engagement and disengagement of all idler gears with the output shafts on which they are located, so as to realize 7 forward gears and a reverse gear.
根据本发明实施例的混合动力驱动系统，在原有的双离合器式自动变速器基础上增加电机及控制电机和发动机的结合与断开的离合器K0，可以实现纯电驱动模式、发动机直驱与电机驱动并联模式、纯发动机驱动模式、行车充电模式、制动能量回收模式、启动发动机模式及驻车发电模式这7种工作模式，实现七个前进挡位及一个倒挡，从而以简单结构实现纯电及混合驱动，达到节能减排的效果，具有轴向长度短、零件较少、结构紧凑、效率高及低能耗等优势，因为最大限度地利用了双离合器的资源，所以可以较大幅度的降低制造成本及研发成本。According to the hybrid drive system of the embodiment of the present invention, a motor and a clutch K0 for controlling the connection and disconnection of the motor and the engine are added to the original dual-clutch automatic transmission, so that seven working modes including pure electric drive mode, engine direct drive and motor drive parallel mode, pure engine drive mode, driving charging mode, brake energy recovery mode, engine start mode and parking power generation mode can be realized, and seven forward gears and one reverse gear can be realized, so as to realize pure electric and hybrid drive with a simple structure, achieve the effect of energy saving and emission reduction, have the advantages of short axial length, fewer parts, compact structure, high efficiency and low energy consumption, etc., because the resources of the dual clutch are utilized to the maximum extent, the manufacturing cost and R&D cost can be greatly reduced.
此外，倒挡传递借用第一输出轴作为惰轮轴，2挡从动齿轮作为倒挡的传动部件，节省了一个专用的倒挡轴，增加齿轮重复利用，减重并节省成本。倒挡传递路径简单，只使用2挡从动齿轮作为惰轮换向，减少了齿轮啮合数量，传动更平稳，效率更高。取消7挡主动齿轮、7挡从动齿轮，通过借助其它挡位齿轮实现7挡传动，减少齿轮数，结构更紧凑，节约成本。In addition, the reverse transmission uses the first output shaft as the idler shaft, and the 2nd gear driven gear as the reverse transmission component, saving a dedicated reverse shaft, increasing gear reuse, reducing weight and saving costs. The reverse transmission path is simple, and only the 2nd gear driven gear is used as an idler reversing gear, which reduces the number of gear meshing, making the transmission smoother and more efficient. The 7th gear driving gear and the 7th gear driven gear are eliminated, and the 7th gear transmission is achieved by using other gear gears, reducing the number of gears, making the structure more compact and saving costs.
挡位布置中，将低速挡布置在输出轴的两端，远离中间，避免轴的挠度过大。In the gear arrangement, the low-speed gear is arranged at both ends of the output shaft, away from the middle, to avoid excessive deflection of the shaft.
另外，本发明实施例还提供一种车辆，其包括上述的混合动力驱动系统。In addition, an embodiment of the present invention further provides a vehicle, which includes the above-mentioned hybrid power drive system.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明一实施例提供的混合动力驱动系统的框架图。FIG. 1 is a framework diagram of a hybrid power drive system provided by an embodiment of the present invention.
说明书附图中的附图标记如下：The reference numerals in the drawings of the specification are as follows:
1、发动机；2、离合器K1；3、离合器K0；4、电机；5、第一主减齿轮；6、2挡从动齿轮；7、2/6挡同步器；8、6挡从动齿轮；9、3挡同步器；10、3挡从动齿轮；11、第一输出轴；12、5挡主动齿轮；13、3挡主动齿轮；14、1挡主动齿轮；15、内输入轴；16、1挡从动齿轮；17、第二输出轴；18、1/5挡同步器；19、7挡同步器；20、5挡从动齿轮；21、4挡从动齿轮；22、4/倒挡同步器；23、倒挡齿轮；24、第二主减齿轮；25、差速器；26、差速器齿圈；27、4/6挡主动齿轮；28、2挡主动齿轮；29、外输入轴；30、离合器K2。1. Engine; 2. Clutch K1; 3. Clutch K0; 4. Motor; 5. First main reduction gear; 6. 2nd gear driven gear; 7. 2nd/6th gear synchronizer; 8. 6th gear driven gear; 9. 3rd gear synchronizer; 10. 3rd gear driven gear; 11. First output shaft; 12. 5th gear driving gear; 13. 3rd gear driving gear; 14. 1st gear driving gear; 15. Inner input shaft; 16. 1st gear driven gear; 17. Second output shaft; 18. 1st/5th gear synchronizer; 19. 7th gear synchronizer; 20. 5th gear driven gear; 21. 4th gear driven gear; 22. 4th/reverse gear synchronizer; 23. Reverse gear; 24. Second main reduction gear; 25. Differential; 26. Differential ring gear; 27. 4th/6th gear driving gear; 28. 2nd gear driving gear; 29. Outer input shaft; 30. Clutch K2.
具体实施方式Detailed ways
为了使本发明所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步的详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
如图1所示，本发明实施例提供的混合动力驱动系统，包括发动机1、电机4及七挡混合动力变速器，所述七挡混合动力变速器包括离合器K12、离合器K03、第一主减齿轮5、2挡从动齿轮6、6挡从动齿轮8、3挡从动齿轮10、第一输出轴11、5挡主动齿轮12、3挡主动齿轮13、1挡主动齿轮14、内输入轴15、1挡从动齿轮16、第二输出轴17、5挡从动齿轮20、4挡从动齿轮21、倒挡齿轮23、第二主减齿轮24、差速器25、差速器齿圈26、4/6挡主动齿轮27、2挡主动齿轮28、外输入轴29、离合器K230及同步装置。As shown in FIG1 , a hybrid drive system provided by an embodiment of the present invention includes an engine 1, a motor 4 and a seven-speed hybrid transmission, wherein the seven-speed hybrid transmission includes a clutch K12, a clutch K03, a first main reduction gear 5, a 2nd gear driven gear 6, a 6th gear driven gear 8, a 3rd gear driven gear 10, a first output shaft 11, a 5th gear driving gear 12, a 3rd gear driving gear 13, a 1st gear driving gear 14, an inner input shaft 15, a 1st gear driven gear 16, a second output shaft 17, a 5th gear driven gear 20, a 4th gear driven gear 21, a reverse gear 23, a second main reduction gear 24, a differential 25, a differential ring gear 26, a 4th/6th gear driving gear 27, a 2nd gear driving gear 28, an outer input shaft 29, a clutch K230 and a synchronization device.
所述外输入轴29同轴套设在所述内输入轴15的外部（外输入轴29为空心轴，嵌套在内输入轴15上），所述内输入轴15通过离合器K12与电机4连接，所述外输入轴29通过离合器K230与电机4连接，所述电机4通过离合器K03与所述发动机1连接，离合器K03控制电机4与发动机1的动力连接与断开，离合器K12控制内输入轴15与电机4的动力连接与断开，离合器K230控制外输入轴29与电机4的动力连接与断开；所述内输入轴15上向远离发动机1的方向依次固定有所述5挡主动齿轮12、3挡主动齿轮13及1挡主动齿轮14，所述外输入轴29上向远离发动机1的方向依次固定有所述2挡主动齿轮28及4/6挡主动齿轮27。The outer input shaft 29 is coaxially sleeved on the outside of the inner input shaft 15 (the outer input shaft 29 is a hollow shaft, nested on the inner input shaft 15), the inner input shaft 15 is connected to the motor 4 through the clutch K12, the outer input shaft 29 is connected to the motor 4 through the clutch K230, the motor 4 is connected to the engine 1 through the clutch K03, the clutch K03 controls the power connection and disconnection between the motor 4 and the engine 1, the clutch K12 controls the power connection and disconnection between the inner input shaft 15 and the motor 4, and the clutch K230 controls the power connection and disconnection between the outer input shaft 29 and the motor 4; the 5th gear driving gear 12, the 3rd gear driving gear 13 and the 1st gear driving gear 14 are fixed to the inner input shaft 15 in sequence in the direction away from the engine 1, and the 2nd gear driving gear 28 and the 4th/6th gear driving gear 27 are fixed to the outer input shaft 29 in sequence in the direction away from the engine 1.
所述第一输出轴11、第二输出轴17及外输入轴29平行间隔设置，所述第一输出轴11上向远离发动机1的方向依次空套有所述2挡从动齿轮6、6挡从动齿轮8及3挡从动齿轮10，所述第二输出轴17上向远离发动机1的方向依次空套有所述倒挡齿轮23、4挡从动齿轮21、5挡从动齿轮20及1挡从动齿轮16；所述1挡主动齿轮14和1挡从动齿轮16啮合，所述2挡从动齿轮6同时与所述2挡主动齿轮28及倒挡齿轮23啮合，所述3挡主动齿轮13与所述3挡从动齿轮10啮合，所述4/6挡主动齿轮27同时与所述4挡从动齿轮21及6挡从动齿轮8啮合，所述5挡主动齿轮12与所述5挡从动齿轮20啮合；所述第一主减齿轮5固定在所述第一输出轴11上，所述第二主减齿轮24固定在所述第二输出轴17上，所述第一主减齿轮5及第二主减齿轮24同时与所述差速器齿圈26啮合，所述差速器齿圈26设置在所述差速器25上。The first output shaft 11, the second output shaft 17 and the external input shaft 29 are arranged in parallel and spaced apart. The first output shaft 11 is provided with the second gear driven gear 6, the sixth gear driven gear 8 and the third gear driven gear 10 in sequence in a direction away from the engine 1. The second output shaft 17 is provided with the reverse gear 23, the fourth gear driven gear 21, the fifth gear driven gear 20 and the first gear driven gear 16 in sequence in a direction away from the engine 1. The first gear driving gear 14 is meshed with the first gear driven gear 16. The second gear driven gear 6 is simultaneously meshed with the second gear driving gear 28 and the reverse gear driven gear 16. The gear 23 is meshed, the 3rd gear driving gear 13 is meshed with the 3rd gear driven gear 10, the 4/6th gear driving gear 27 is meshed with the 4th gear driven gear 21 and the 6th gear driven gear 8 at the same time, and the 5th gear driving gear 12 is meshed with the 5th gear driven gear 20; the first main reduction gear 5 is fixed on the first output shaft 11, and the second main reduction gear 24 is fixed on the second output shaft 17. The first main reduction gear 5 and the second main reduction gear 24 are meshed with the differential ring gear 26 at the same time, and the differential ring gear 26 is arranged on the differential 25.
所述同步装置用于控制所有的空套齿轮与其所处的输出轴的结合和分离，以实现7个前进挡和倒挡。The synchronization device is used to control the engagement and disengagement of all idler gears with the output shafts on which they are located, so as to realize 7 forward gears and a reverse gear.
在一实施例中，所述同步装置包括2/6挡同步器7、3挡同步器9、1/5挡同步器18、7挡同步器19及4/倒挡同步器22，所述2/6挡同步器7及3挡同步器9设置在所述第一输出轴11上，所述1/5挡同步器18、7挡同步器19及4/倒挡同步器22设置在所述第二输出轴17上。所述2/6挡同步器7位于所述2挡从动齿轮6和6挡从动齿轮8之间，用于控制所述2挡从动齿轮6及6挡从动齿轮8与所述第一输出轴11的结合和分离。所述3挡同步器9位于所述3挡从动齿轮10与6挡从动齿轮8之间，用于控制所述3挡从动齿轮10与所述第一输出轴11的结合和分离。所述1/5挡同步器18位于所述1挡从动齿轮16和5挡从动齿轮20之间，用于控制所述1挡从动齿轮16及5挡从动齿轮20与所述第二输出轴17的结合和分离。所述7挡同步器19位于所述4挡从动齿轮21与5挡从动齿轮20之间，用于控制所述4挡从动齿轮21与5挡从动齿轮20的结合和分离。所述4/倒挡同步器22位于所述4挡从动齿轮21和倒挡齿轮23之间，用于控制所述4挡从动齿轮21及倒挡齿轮23与所述第二输出轴17的结合和分离。In one embodiment, the synchronization device includes a 2/6 gear synchronizer 7, a 3 gear synchronizer 9, a 1/5 gear synchronizer 18, a 7 gear synchronizer 19 and a 4/reverse gear synchronizer 22, wherein the 2/6 gear synchronizer 7 and the 3 gear synchronizer 9 are arranged on the first output shaft 11, and the 1/5 gear synchronizer 18, the 7 gear synchronizer 19 and the 4/reverse gear synchronizer 22 are arranged on the second output shaft 17. The 2/6 gear synchronizer 7 is located between the 2 gear driven gear 6 and the 6 gear driven gear 8, and is used to control the engagement and separation of the 2 gear driven gear 6 and the 6 gear driven gear 8 with the first output shaft 11. The 3 gear synchronizer 9 is located between the 3 gear driven gear 10 and the 6 gear driven gear 8, and is used to control the engagement and separation of the 3 gear driven gear 10 with the first output shaft 11. The 1/5 gear synchronizer 18 is located between the 1st gear driven gear 16 and the 5th gear driven gear 20, and is used to control the engagement and separation of the 1st gear driven gear 16 and the 5th gear driven gear 20 with the second output shaft 17. The 7th gear synchronizer 19 is located between the 4th gear driven gear 21 and the 5th gear driven gear 20, and is used to control the engagement and separation of the 4th gear driven gear 21 and the 5th gear driven gear 20. The 4th/reverse gear synchronizer 22 is located between the 4th gear driven gear 21 and the reverse gear 23, and is used to control the engagement and separation of the 4th gear driven gear 21 and the reverse gear 23 with the second output shaft 17.
即，2挡从动齿轮6和6挡从动齿轮8由2/6挡同步器7选择性连结合实现2挡及6挡动力输出；3挡从动齿轮10由3挡同步器9选择性结合实现3挡动力输出；1挡从动齿轮16和5挡从动齿轮20由1/5挡同步器18选择性结合实现1挡及5挡动力输出；4挡从动齿轮21和5挡从动齿轮20由7挡同步器选择性结合实现7挡动力输出；4挡从动齿轮21和倒挡齿轮23由4/倒挡同步器22选择性结合实现4挡及倒挡动力输出。That is, the 2nd gear driven gear 6 and the 6th gear driven gear 8 are selectively connected by the 2/6th gear synchronizer 7 to achieve 2nd gear and 6th gear power output; the 3rd gear driven gear 10 is selectively connected by the 3rd gear synchronizer 9 to achieve 3rd gear power output; the 1st gear driven gear 16 and the 5th gear driven gear 20 are selectively connected by the 1/5th gear synchronizer 18 to achieve 1st gear and 5th gear power output; the 4th gear driven gear 21 and the 5th gear driven gear 20 are selectively connected by the 7th gear synchronizer to achieve 7th gear power output; the 4th gear driven gear 21 and the reverse gear 23 are selectively connected by the 4/reverse synchronizer 22 to achieve 4th gear and reverse gear power output.
此外，4、6挡共用一个主动齿轮（4/6挡主动齿轮27），2、倒挡共用一个主动齿轮（2挡主动齿轮28），减少了主动齿轮的使用量，缩短了变速器的轴向长度、减轻了变速器的重量。In addition, the 4th and 6th gears share a driving gear (4th/6th gear driving gear 27), and the 2nd and reverse gears share a driving gear (2nd gear driving gear 28), which reduces the use of driving gears, shortens the axial length of the transmission, and reduces the weight of the transmission.
在一实施例中，所述第一输出轴11上向远离发动机1的方向依次排布有所述第一主减齿轮5、2挡从动齿轮6、2/6挡同步器7、6挡从动齿轮8、3挡同步器9及3挡从动齿轮10。所述第二输出轴17上向远离发动机1的方向依次排布有所述第二主减齿轮24、倒挡齿轮23、4/倒挡同步器22、4挡从动齿轮21、5挡从动齿轮20、1/5挡同步器18及1挡从动齿轮16。In one embodiment, the first output shaft 11 is sequentially arranged with the first main reduction gear 5, the 2nd gear driven gear 6, the 2nd/6th gear synchronizer 7, the 6th gear driven gear 8, the 3rd gear synchronizer 9 and the 3rd gear driven gear 10 in the direction away from the engine 1. The second output shaft 17 is sequentially arranged with the second main reduction gear 24, the reverse gear 23, the 4th/reverse gear synchronizer 22, the 4th gear driven gear 21, the 5th gear driven gear 20, the 1st/5th gear synchronizer 18 and the 1st gear driven gear 16 in the direction away from the engine 1.
在一实施例中，所述2/6挡同步器7及3挡同步器9的齿毂通过花键连接在所述第一输出轴11上。所述1/5挡同步器18及4/倒挡同步器22的齿毂通过花键连接在所述第二输出轴17上。所述7挡同步器19的齿毂与所述5挡从动齿轮20固定，因而当7挡同步器19与4挡从动齿轮21结合时，4挡从动齿轮21与5挡从动齿轮20结合，并同步旋转。In one embodiment, the gear hubs of the 2/6 gear synchronizer 7 and the 3 gear synchronizer 9 are splined to the first output shaft 11. The gear hubs of the 1/5 gear synchronizer 18 and the 4/reverse gear synchronizer 22 are splined to the second output shaft 17. The gear hub of the 7 gear synchronizer 19 is fixed to the 5 gear driven gear 20, so when the 7 gear synchronizer 19 is combined with the 4 gear driven gear 21, the 4 gear driven gear 21 is combined with the 5 gear driven gear 20 and rotates synchronously.
在一实施例中，所述2挡从动齿轮6、2挡主动齿轮28及倒挡齿轮23为共面齿轮组，所述4/6挡主动齿轮27、4挡从动齿轮21及6挡从动齿轮8为共面齿轮组，所述第一主减齿轮5、第二主减齿轮24及差速器齿圈26为共面齿轮组。通过构造共面齿轮组能够减小变速器的轴向尺寸，降低变速器的体积。In one embodiment, the 2nd gear driven gear 6, the 2nd gear driving gear 28 and the reverse gear 23 are coplanar gear sets, the 4th/6th gear driving gear 27, the 4th gear driven gear 21 and the 6th gear driven gear 8 are coplanar gear sets, and the first main reduction gear 5, the second main reduction gear 24 and the differential ring gear 26 are coplanar gear sets. By constructing the coplanar gear sets, the axial dimension of the transmission can be reduced and the volume of the transmission can be reduced.
在一实施例中，所述内输入轴15及所述外输入轴29的两端通过轴承转动支撑在变速器壳体上，所述第一输出轴11的两端通过轴承转动支撑在变速器壳体上，所述第二输出轴17的两端通过轴承转动支撑在变速器壳体上。以实现各个轴的稳定支撑。In one embodiment, both ends of the inner input shaft 15 and the outer input shaft 29 are rotatably supported on the transmission housing through bearings, both ends of the first output shaft 11 are rotatably supported on the transmission housing through bearings, and both ends of the second output shaft 17 are rotatably supported on the transmission housing through bearings, so as to achieve stable support of each shaft.
在一实施例中，所述5挡主动齿轮12、3挡主动齿轮13及1挡主动齿轮14通过焊接、花键连接、过盈压装或一体成型等方式固定在所述内输入轴15上。所述2挡主动齿轮28及4/6挡主动齿轮27通过焊接、花键连接、过盈压装或一体成型等方式固定在所述外输入轴29上。In one embodiment, the 5th gear driving gear 12, the 3rd gear driving gear 13 and the 1st gear driving gear 14 are fixed to the inner input shaft 15 by welding, spline connection, interference fit or integral molding. The 2nd gear driving gear 28 and the 4th/6th gear driving gear 27 are fixed to the outer input shaft 29 by welding, spline connection, interference fit or integral molding.
在一实施例中，所述2挡从动齿轮6、6挡从动齿轮8及3挡从动齿轮10通过轴承空套在所述第一输出轴11上；所述倒挡齿轮23、4挡从动齿轮21、5挡从动齿轮20及1挡从动齿轮16通过轴承空套在所述第二输出轴17上。In one embodiment, the 2nd gear driven gear 6, the 6th gear driven gear 8 and the 3rd gear driven gear 10 are loosely mounted on the first output shaft 11 via bearings; the reverse gear 23, the 4th gear driven gear 21, the 5th gear driven gear 20 and the 1st gear driven gear 16 are loosely mounted on the second output shaft 17 via bearings.
在一实施例中，所述离合器K12与离合器K230集成为双离合器，所述双离合器与离合器K03同轴布置，所述离合器K03的一端与所述电机4的转子通过焊接等方式固定连接，所述离合器K03的另一端通过焊接等方式与所述发动机1的输出轴固定连接。In one embodiment, the clutch K12 and the clutch K230 are integrated into a dual clutch, and the dual clutch is coaxially arranged with the clutch K03. One end of the clutch K03 is fixedly connected to the rotor of the motor 4 by welding or the like, and the other end of the clutch K03 is fixedly connected to the output shaft of the engine 1 by welding or the like.
本发明实施例的混合动力驱动系统，在原有的双离合器式自动变速器基础上增加电机及控制电机4和发动机1的结合与断开的离合器K03，可以实现纯电驱动模式、发动机直驱与电机驱动并联模式、纯发动机驱动模式、行车充电模式、制动能量回收模式、启动发动机模式及驻车发电模式这7种工作模式，实现七个前进挡位及一个倒挡，从而以简单结构实现纯电及混合驱动，达到节能减排的效果，具有轴向长度短、零件较少、结构紧凑、效率高及低能耗等优势，因为最大限度地利用了双离合器的资源，所以可以较大幅度的降低制造成本及研发成本。The hybrid drive system of the embodiment of the present invention adds a motor and a clutch K03 for controlling the connection and disconnection of the motor 4 and the engine 1 on the basis of the original dual-clutch automatic transmission, and can realize seven working modes, namely, pure electric drive mode, engine direct drive and motor drive parallel mode, pure engine drive mode, driving charging mode, brake energy recovery mode, engine start mode and parking power generation mode, and realize seven forward gears and one reverse gear, thereby realizing pure electric and hybrid drive with a simple structure, achieving the effect of energy conservation and emission reduction, and having the advantages of short axial length, fewer parts, compact structure, high efficiency and low energy consumption, etc., because the resources of the dual clutch are utilized to the maximum extent, the manufacturing cost and R&D cost can be greatly reduced.
此外，倒挡传递借用第一输出轴11作为惰轮轴，2挡从动齿轮6作为倒挡的传动部件，节省了一个专用的倒挡轴，增加齿轮重复利用，减重并节省成本。倒挡传递路径简单，只使用2挡从动齿轮作为惰轮换向，减少了齿轮啮合数量，传动更平稳，效率更高。取消7挡主动齿轮、7挡从动齿轮，通过借助其它挡位齿轮实现7挡传动，减少齿轮数，结构更紧凑，节约成本。In addition, the reverse transmission uses the first output shaft 11 as an idler shaft, and the 2nd gear driven gear 6 as a reverse transmission component, which saves a dedicated reverse shaft, increases gear reuse, reduces weight and saves costs. The reverse transmission path is simple, and only the 2nd gear driven gear is used as an idler reversing gear, which reduces the number of gear meshing, makes the transmission smoother and more efficient. The 7th gear driving gear and the 7th gear driven gear are eliminated, and the 7th gear transmission is achieved by using other gear gears, reducing the number of gears, making the structure more compact and saving costs.
1、倒挡各自由两个不同的离合器控制（1挡由离合器K12控制，倒挡由离合器K2 30控制），有利于提高离合器的使用寿命。1. The reverse gear is controlled by two different clutches (the first gear is controlled by clutch K12, and the reverse gear is controlled by clutch K2 30), which is beneficial to improve the service life of the clutch.
挡位布置中，将低速挡布置在输出轴的两端，靠近用于支撑轴旋转的轴承，远离中间，避免轴的挠度过大，减小挡位齿轮的传递误差，有利于变速器整机NVH性能的提升。In the gear arrangement, the low-speed gear is arranged at both ends of the output shaft, close to the bearings used to support the rotation of the shaft and away from the middle, to avoid excessive deflection of the shaft and reduce the transmission error of the gear gear, which is beneficial to the improvement of the NVH performance of the entire transmission.
七个工作模式可以适用于各种路况，保证发动机1始终运转在最佳工作区域，提高发动机1的运行效率，节能减排。The seven working modes can be applied to various road conditions, ensuring that the engine 1 always operates in the optimal working area, improving the operating efficiency of the engine 1, and saving energy and reducing emissions.
通过控制离合器K12、离合器K230、离合器K03及各个同步器（即2/6挡同步器7、3挡同步器9、1/5挡同步器18及4/倒挡同步器22）不同工作状态，能够实现七个前进挡和一个倒挡，以此构建出混合动力驱动系统。By controlling the different working states of clutch K12, clutch K230, clutch K03 and each synchronizer (i.e. 2/6 gear synchronizer 7, 3 gear synchronizer 9, 1/5 gear synchronizer 18 and 4/reverse gear synchronizer 22), seven forward gears and one reverse gear can be achieved, thereby constructing a hybrid power drive system.
本实施例共有7种工作模式：纯电驱动模式、发动机直驱与电机驱动并联模式、纯发动机驱动模式、行车充电模式、制动能量回收模式、启动发动机模式及驻车发电模式，能实现七个前进挡位及一个倒挡。This embodiment has a total of 7 working modes: pure electric drive mode, engine direct drive and motor drive parallel mode, pure engine drive mode, driving charging mode, brake energy recovery mode, engine start mode and parking power generation mode, which can achieve seven forward gears and one reverse gear.
各工作模式的工作情况如下：The working conditions of each working mode are as follows:
纯电驱动模式：在此工况下，离合器K03断开，发动机1不参与驱动，电机4作为驱动电机的纯电模式，可用于车辆起步、交通拥堵等低速工况；离合器K12与离合器K230选择性闭合以实现电机4驱动下的奇偶挡位。或当车辆在良好路面平稳行驶时，断开离合器K03，减少车辆行驶中发动机的负载，减少滑行时的行驶阻力。Pure electric driving mode: In this working condition, the clutch K03 is disconnected, the engine 1 does not participate in the driving, and the motor 4 is used as the pure electric mode of the driving motor, which can be used in low-speed working conditions such as vehicle starting and traffic congestion; the clutch K12 and the clutch K230 are selectively closed to achieve odd and even gears driven by the motor 4. Or when the vehicle is running smoothly on a good road, the clutch K03 is disconnected to reduce the load on the engine during vehicle driving and reduce the driving resistance during coasting.
发动机直驱与电机并联驱动模式：在此工况下，离合器K03结合，可实现发动机1与电机4并联驱动，电机4既可作发电机又可作驱动电机使用，根据车辆及发动机运行工况的具体需求而定。当发动机1提供的功率不足时，可通过电机4提供额外转矩，实现并联驱动模式，提升系统动力；当发动机1处于经济区运行时，电机4不提供动力驱动，实现纯发动机驱动模式；若发动机输出功率过剩时，电机4作发电机使用，为电池充电，最大限度利用发动机1能量，实现行车充电模式。离合器K12与离合器K230选择性闭合以实现电机4与发动机1同时驱动下的奇偶挡位。Engine direct drive and motor parallel drive mode: Under this working condition, clutch K03 is engaged to realize parallel drive of engine 1 and motor 4. Motor 4 can be used as both a generator and a drive motor, depending on the specific needs of the vehicle and engine operating conditions. When the power provided by engine 1 is insufficient, additional torque can be provided by motor 4 to realize parallel drive mode and improve system power; when engine 1 is operating in the economic zone, motor 4 does not provide power drive to realize pure engine drive mode; if the engine output power is excessive, motor 4 is used as a generator to charge the battery, maximize the use of engine 1 energy, and realize driving charging mode. Clutch K12 and clutch K230 are selectively closed to realize odd and even gears when motor 4 and engine 1 are driven simultaneously.
制动能量回收模式:在此工况下，离合器K03断开，主要用于当高速行驶车辆出现长时间制动时，制动器所再生出的能量通过功率转换器存储在电池中，实现制动能量回收。Braking energy recovery mode: In this operating condition, the clutch K03 is disconnected. It is mainly used when the high-speed vehicle brakes for a long time. The energy regenerated by the brake is stored in the battery through the power converter to achieve braking energy recovery.
启动发动机模式：在此工况下，离合器K03结合，电机4可替代传统车中的起动机，利用电机4实现发动机启动，可用于纯电模式下功率不足以满足车辆驱动功率需求或者电池电量偏低时，必须引入发动机1时，结合离合器K03启动发动机1；或当长制动过程即将完成，需要重新启动发动机1时，可利用制动能量使发动机1重新启动。Engine start mode: Under this condition, the clutch K03 is engaged, and the motor 4 can replace the starter in the traditional vehicle. The motor 4 is used to start the engine. It can be used when the power in the pure electric mode is insufficient to meet the vehicle's driving power requirements or the battery power is low, and the engine 1 must be introduced. The clutch K03 is combined to start the engine 1; or when a long braking process is about to be completed and the engine 1 needs to be restarted, the braking energy can be used to restart the engine 1.
驻车发电模式：在此工况下，离合器K03结合，当车辆处于驻车情况下，电池电量偏低时，可通过发动机1带动电机4发电。Parking power generation mode: In this operating condition, the clutch K03 is engaged. When the vehicle is parked and the battery power is low, the engine 1 can drive the motor 4 to generate electricity.
本实施例提供的混合动力驱动系统可实现7个前进挡及一个倒挡。The hybrid power drive system provided in this embodiment can realize 7 forward gears and one reverse gear.
下面结合图1对本实施例的混合动力驱动系统工作在各挡位时的动力传递路线进行说明（以下动力源为电机4与发动机1构成的混合动力总成）：The power transmission route of the hybrid drive system of this embodiment when working in each gear is described below in conjunction with FIG. 1 (the power source is a hybrid powertrain consisting of a motor 4 and an engine 1):
一挡动力传动路线：离合器K12闭合（离合器K230断开），1/5挡同步器18与1挡从动齿轮16结合，动力源提供的扭矩通过离合器K1（2）传递至内输入轴15上的1挡主动齿轮14，经由1挡主动齿轮14传到1挡从动齿轮16。通过1/5挡同步器18与1挡从动齿轮16的结合将扭矩传递到第二输出轴17上的第二主减齿轮24，再通过差速器齿圈26，并最终由差速器25输出动力。First gear power transmission route: Clutch K12 is closed (clutch K230 is open), the 1/5 gear synchronizer 18 is engaged with the 1st gear driven gear 16, and the torque provided by the power source is transmitted to the 1st gear driving gear 14 on the inner input shaft 15 through the clutch K1 (2), and then transmitted to the 1st gear driven gear 16 through the 1st gear driving gear 14. The torque is transmitted to the second main reduction gear 24 on the second output shaft 17 through the combination of the 1/5 gear synchronizer 18 and the 1st gear driven gear 16, and then through the differential gear ring 26, and finally the power is output by the differential 25.
二挡动力传动路线：离合器K230闭合（离合器K12断开），2/6挡同步器7与2挡从动齿轮6结合，动力源提供的扭矩通过离合器K230传递至外输入轴29上的2挡主动齿轮28，经由2挡主动齿轮28传到2挡从动齿轮6。通过2/6挡同步器7与2挡从动齿轮6的结合将扭矩传递到第一输出轴11上的第一主减齿轮5，再通过差速器齿圈26，并最终由差速器25输出动力。Second gear power transmission route: Clutch K230 is closed (clutch K12 is open), 2/6 gear synchronizer 7 is combined with 2 gear driven gear 6, and the torque provided by the power source is transmitted to 2 gear driving gear 28 on the external input shaft 29 through clutch K230, and then transmitted to 2 gear driven gear 6 through 2 gear driving gear 28. The torque is transmitted to the first main reduction gear 5 on the first output shaft 11 through the combination of 2/6 gear synchronizer 7 and 2 gear driven gear 6, and then through the differential gear ring 26, and finally the power is output by the differential 25.
三挡动力传动路线：离合器K12闭合（离合器K230断开），3挡同步器9与3挡从动齿轮10结合，动力源提供的扭矩通过离合器K12传递至内输入轴15上的3挡主动齿轮13，经由3挡主动齿轮13传到3挡从动齿轮10。通过3挡同步器9与3挡从动齿轮10的结合将扭矩传递到第一输出轴11上的第一主减齿轮5，再通过差速器齿圈26，并最终由差速器25输出动力。The third gear power transmission route: the clutch K12 is closed (the clutch K230 is disconnected), the third gear synchronizer 9 is combined with the third gear driven gear 10, and the torque provided by the power source is transmitted to the third gear driving gear 13 on the inner input shaft 15 through the clutch K12, and then transmitted to the third gear driven gear 10 through the third gear driving gear 13. The torque is transmitted to the first main reduction gear 5 on the first output shaft 11 through the combination of the third gear synchronizer 9 and the third gear driven gear 10, and then through the differential gear ring 26, and finally the power is output by the differential 25.
四挡动力传动路线：离合器K230闭合（离合器K12断开），4/倒挡同步器22与4挡从动齿轮21结合，动力源提供的扭矩通过离合器K230传递至外输入轴29上的4/6挡主动齿轮27，经由4/6挡主动齿轮27传到4挡从动齿轮21。通过4/倒挡同步器22与4挡从动齿轮21的结合将扭矩传递到第二输出轴17上的第二主减齿轮24，再通过差速器齿圈26，并最终由差速器25输出动力。Fourth gear power transmission route: Clutch K230 is closed (clutch K12 is open), 4/reverse gear synchronizer 22 is combined with 4th gear driven gear 21, and the torque provided by the power source is transmitted to 4/6th gear driving gear 27 on the outer input shaft 29 through clutch K230, and then transmitted to 4th gear driven gear 21 through 4/6th gear driving gear 27. The torque is transmitted to the second main reduction gear 24 on the second output shaft 17 through the combination of 4/reverse gear synchronizer 22 and 4th gear driven gear 21, and then through the differential gear ring 26, and finally the power is output by the differential 25.
五挡动力传动路线：离合器K12闭合（离合器K230断开），1/5挡同步器18与5挡从动齿轮20结合，动力源提供的扭矩通过离合器K12传递至内输入轴15上的5挡主动齿轮12，经由5挡主动齿轮12传到5挡从动齿轮20。通过1/5挡同步器18与5挡从动齿轮20的结合将扭矩传递到第二输出轴17上的第二主减齿轮24，再通过差速器齿圈26，并最终由差速器25输出动力。Five-speed power transmission route: Clutch K12 is closed (clutch K230 is open), 1/5-speed synchronizer 18 is combined with 5-speed driven gear 20, and the torque provided by the power source is transmitted to 5-speed driving gear 12 on the inner input shaft 15 through clutch K12, and then transmitted to 5-speed driven gear 20 through 5-speed driving gear 12. The torque is transmitted to the second main reduction gear 24 on the second output shaft 17 through the combination of 1/5-speed synchronizer 18 and 5-speed driven gear 20, and then through the differential gear ring 26, and finally the power is output by the differential 25.
六挡动力传动路线：离合器K230闭合（离合器K12断开），2/6挡同步器7与6挡从动齿轮8结合，动力源提供的扭矩通过离合器K230传递至外输入轴29上的4/6挡主动齿轮27，经由4/6挡主动齿轮27传到6挡从动齿轮8。通过2/6挡同步器7与6挡从动齿轮8的结合将扭矩传递到第一输出轴11上的第一主减齿轮5，再通过差速器齿圈26，并最终由差速器25输出动力。Six-speed power transmission route: Clutch K230 is closed (clutch K12 is open), 2/6-speed synchronizer 7 is combined with 6-speed driven gear 8, and the torque provided by the power source is transmitted to 4/6-speed driving gear 27 on the external input shaft 29 through clutch K230, and then transmitted to 6-speed driven gear 8 through 4/6-speed driving gear 27. The torque is transmitted to the first main reduction gear 5 on the first output shaft 11 through the combination of 2/6-speed synchronizer 7 and 6-speed driven gear 8, and then through the differential gear ring 26, and finally the power is output by the differential 25.
七挡动力传动路线：离合器K12闭合（离合器K230断开），7挡同步器19与4挡从动齿轮21结合，2/6挡同步器7与6挡从动齿轮8结合，动力源提供的扭矩通过离合器K12传递至内输入轴15上的5挡主动齿轮12，经由5挡主动齿轮12传到5挡从动齿轮20与7挡同步器19。通过7挡同步器19与4挡从动齿轮21的结合传递到4挡从动齿轮21，4挡从动齿轮21将扭矩传递到4/6挡主动齿轮27，4/6挡主动齿轮27将扭矩传递到6挡从动齿轮8，再通过2/6挡同步器7与6挡从动齿轮8的结合将扭矩传递到第一输出轴11上的第一主减齿轮5，再通过差速器齿圈26，并最终由差速器25输出动力。Seven-speed power transmission route: clutch K12 is closed (clutch K230 is open), 7th gear synchronizer 19 is combined with 4th gear driven gear 21, 2nd/6th gear synchronizer 7 is combined with 6th gear driven gear 8, and the torque provided by the power source is transmitted to 5th gear driving gear 12 on inner input shaft 15 through clutch K12, and then transmitted to 5th gear driven gear 20 and 7th gear synchronizer 19 through 5th gear driving gear 12. The torque is transmitted to 4th gear driven gear 21 through the combination of 7th gear synchronizer 19 and 4th gear driven gear 21, and 4th gear driven gear 21 transmits the torque to 4th/6th gear driving gear 27, and 4th/6th gear driving gear 27 transmits the torque to 6th gear driven gear 8, and then transmits the torque to the first main reduction gear 5 on the first output shaft 11 through the combination of 2nd/6th gear synchronizer 7 and 6th gear driven gear 8, and then transmits the torque through differential gear ring 26, and finally outputs the power through differential 25.
倒挡动力传递路线：离合器K230闭合（离合器K12断开），4/倒挡同步器22与倒挡齿轮23结合，动力源提供的扭矩通过离合器K230传递至外输入轴29上的2挡主动齿轮28，经由2挡主动齿轮28传到2挡从动齿轮6，由2挡从动齿轮6传到倒挡齿轮23，再通过4/倒挡同步器22与倒挡齿轮23的结合将扭矩传递到第二输出轴17上的第二主减齿轮24，再通过差速器齿圈26，并最终由差速器25输出动力。Reverse gear power transmission route: clutch K230 is closed (clutch K12 is disconnected), the 4/reverse gear synchronizer 22 is combined with the reverse gear 23, and the torque provided by the power source is transmitted to the 2nd gear driving gear 28 on the outer input shaft 29 through the clutch K230, and is transmitted to the 2nd gear driven gear 6 through the 2nd gear driving gear 28, and is transmitted to the reverse gear 23 by the 2nd gear driven gear 6, and then the torque is transmitted to the second main reduction gear 24 on the second output shaft 17 through the combination of the 4/reverse gear synchronizer 22 and the reverse gear 23, and then through the differential ring gear 26, and finally the power is output by the differential 25.
另外，本发明一实施例还提供了一种车辆，其包括上述实施例的混合动力驱动系统。In addition, an embodiment of the present invention further provides a vehicle, which includes the hybrid drive system of the above embodiment.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
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