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CN-224210896-U - Hybrid gearbox and hybrid system

CN224210896UCN 224210896 UCN224210896 UCN 224210896UCN-224210896-U

Abstract

The present disclosure relates to a hybrid transmission and a hybrid system, and relates to the field of vehicles, the hybrid transmission comprising a first gear set, a second gear set, a third gear set, a gear, a first dog clutch and a second dog clutch; the first dog clutch is engaged with the first gear set for transmitting power of the engine to the wheels in a first engine gear to drive the vehicle, the second dog clutch is engaged with the second gear set for transmitting power of the engine to the wheels in a second engine gear to drive the vehicle, and the second dog clutch is engaged with the gear for transmitting power of the engine to the wheels in a third engine gear to drive the vehicle. Through the technical scheme, the engine can be selectively operated in the three-gear through a small number of gear sets.

Inventors

  • WANG WEIQIAN
  • LIU JIAN
  • ZHOU GUANGDONG
  • SUN XIULING
  • GAO JIANCHENG
  • ZHANG XU
  • FENG JING
  • ZHOU XINGLI
  • CHEN JUNHONG

Assignees

  • 北汽福田汽车股份有限公司

Dates

Publication Date
20260508
Application Date
20231226

Claims (11)

  1. 1. A hybrid transmission, characterized in that it is applied to a vehicle, to which an engine (10) of which the hybrid transmission is connected, comprises a first gear set (51), a second gear set (52), a third gear set (53), a gear (54), a first dog clutch (61) and a second dog clutch (62); -when the first dog clutch (61) is engaged with the first gear set (51), for transmitting power of the engine (10) to wheels in a first engine gear to drive the vehicle; the second dog clutch (62) is engaged with the second gear set (52) for transmitting power of the engine (10) to wheels in a second engine gear to drive the vehicle; The second dog clutch (62) is engaged with the gear (54) for transmitting power of the engine (10) to wheels in a third engine gear to drive the vehicle.
  2. 2. The hybrid transmission according to claim 1, characterized in that it comprises a drive motor (40) and a third gear set (53); The first gear set (51), the second gear set (52), the gear (54) and the third gear set (53) are sequentially arranged between the driving motor (40) and wheels of the vehicle; the first claw clutch (61) is arranged between the first gear set (51) and the second gear set (52), and the second claw clutch (62) is arranged between the third gear set (53) and the second gear set (52); The first gear set (51), the second gear set (52), the gear (54) and the third gear set (53) are used for transmitting power generated by the engine (10) and/or the driving motor (40) to the wheels.
  3. 3. A hybrid transmission as set forth in claim 2, wherein, The vehicle further comprises a generator (30), a transmission mechanism (70) and a power battery (80); the hybrid engine assembly of the vehicle comprises a generator (30), a transmission mechanism (70) and an engine (10), wherein the generator (30) and the transmission mechanism (70) are arranged on the engine (10), or the hybrid gearbox comprises the generator (30) and the transmission mechanism (70); the transmission mechanism (70) is used for transmitting power generated by the engine to the generator (30) so that the generator supplies power for the power battery (80); The power battery (80) is used for supplying power to the driving motor (40) so that the driving motor works to drive the vehicle.
  4. 4. A hybrid transmission according to claim 3, wherein the engine (10) comprises an engine output shaft (11), the hybrid transmission further comprising a transmission input shaft (31), a transmission output shaft (32) and a transmission intermediate shaft (33), the transmission input shaft (31) being coaxial with the transmission output shaft (32); The engine output shaft (11) sequentially passes through the transmission mechanism (70) and the generator (30) to be connected with the first end of the torsional vibration damper (20) of the vehicle, and the first gear set (51) is connected with the driving motor (40); The first end of the gearbox input shaft (31) is connected with the second end of the torsional damper (20), the second end of the gearbox input shaft (31) is connected with the first end of the gearbox output shaft (32), the first gear set (51), the first claw clutch (61), the second gear set (52) and the second claw clutch (62) are sequentially arranged on the gearbox input shaft (31) between the torsional damper (20) and the first end of the gearbox output shaft (32), and the gear (54) and the third gear set (53) are sequentially arranged on the gearbox input shaft (31); The transmission intermediate shaft (33) is parallel to the transmission output shaft (32), the first gear set (51), the second gear set (52) and the third gear set (53) sequentially penetrate through the transmission intermediate shaft (33), and the transmission intermediate shaft (33) is used for transmitting power generated by the engine (10) and/or the driving motor (40) to the wheels.
  5. 5. A hybrid transmission as defined in claim 4, wherein, When the driving mode of the vehicle is a pure electric driving mode, the engine (10) and the generator (30) are not operated, the driving motor (40) is operated, the first claw clutch (61) is disconnected from the first gear set (51), and the second claw clutch (62) is disconnected from the second gear set (52) and the gear (54) to drive the vehicle through the driving motor (40).
  6. 6. A hybrid transmission as defined in claim 4, wherein, When the driving mode of the vehicle is a series driving mode, the engine (10) works, the driving motor (40) works, the generator (30) is driven by the engine (10) to charge a power battery (80) of the vehicle, the first claw clutch (61) is disconnected from the first gear set (51), and the second claw clutch (62) is disconnected from the second gear set (52) and the gear (54) so as to drive the vehicle through the driving motor (40).
  7. 7. A hybrid transmission as defined in claim 4, wherein, When the driving mode of the vehicle is a pure engine driving mode, the engine (10) works, the generator (30) does not work or the generator (30) is driven by the engine (10) to charge a power battery (80) of the vehicle, and the driving motor (40) does not work; The first dog clutch (61) is engaged with the first gear set (51), and the second dog clutch (62) is disengaged from the second gear set (52) and the gear (54) to drive the vehicle through the first engine gear of the engine (10); Or the first dog clutch (61) is disconnected from the first gear set (51), and the second dog clutch (62) is engaged with the second gear set (52) to drive the vehicle through the second engine gear of the engine (10); Or the first dog clutch (61) is disconnected from the first gear set (51), and the second dog clutch (62) is engaged with the gear (54) to drive the vehicle through the third engine gear of the engine (10).
  8. 8. A hybrid transmission as defined in claim 4, wherein, The first dog clutch (61) is engaged with the first gear set (51), and the second dog clutch (62) is disengaged from the second gear set (52) and the gear (54) to drive the vehicle together by the engine (10) and the drive motor (40); or the engine (10) is operated, the generator (30) is not operated, the driving motor (40) is operated, the first dog clutch (61) is disconnected from the first gear set (51), and the second dog clutch (62) is engaged with the second gear set (52) or with the gear (54) to jointly drive the vehicle through the engine (10) and the driving motor (40).
  9. 9. A hybrid transmission as defined in claim 4, wherein, When the driving mode of the vehicle is a parking power generation mode, the engine (10) works, the generator (30) is driven by the engine (10) to charge a power battery (80) of the vehicle, and the driving motor (40) does not work, the first claw clutch (61) is disconnected from the first gear set (51), and the second claw clutch (62) is disconnected from the second gear set (52) and the gear (54); when the driving mode of the vehicle is an energy recovery mode, the generator (30) and/or the driving motor (40) charge the power battery (80) under the drive of a braking system of the vehicle; wherein energy recovery by the drive motor (40) is performed while the first dog clutch (61) is disconnected from the first gear set (51) and the second dog clutch (62) is disconnected from the second gear set (52) and from the gear (54); -energy recovery by the generator (30) when the first dog clutch (61) is disconnected from the first gear set (51) and the second dog clutch (62) is engaged with the gear (54); Energy recovery is performed by the generator (30) or by the generator (30) and drive motor (40) when the first dog clutch (61) is engaged with the first gear set (51) and the second dog clutch (62) is disengaged from the second gear set (52) and from the gear (54), or when the first dog clutch (61) is disengaged from the first gear set (51) and the second dog clutch (62) is engaged with the second gear set (52) or with the gear (54).
  10. 10. The hybrid transmission of claim 4, further comprising at least one other gearset and at least one other dog clutch; The at least one further gearwheel set and the at least one further dog clutch are arranged on the gearbox output shaft (32) in parallel with the gearwheel (54), a first dog clutch (61) and a second dog clutch (62), the at least one further gearwheel set being arranged on the gearbox intermediate shaft (33) in parallel with the first gearwheel set (51) and the second gearwheel set (52).
  11. 11. A hybrid system comprising an engine (10), a power cell (80), and a hybrid gearbox according to any one of claims 1-10.

Description

Hybrid gearbox and hybrid system Technical Field The present disclosure relates to the field of vehicles, and in particular, to a hybrid transmission and a hybrid system. Background With the development of the automobile industry and the enhancement of the energy-saving and environment-friendly concept, the market share of the dual-motor hybrid transmission is gradually increased, in the prior art, the dynamic performance and the user experience of a vehicle are possibly poor under the condition of fewer gears, in the case of multiple gears, more gears or gear sets are needed to be adopted for gear switching, the volume and the weight of the hybrid transmission are large, and in sum, the technical problem that the hybrid transmission adopting fewer gear sets and capable of realizing multi-gear switching is needed to be solved is provided. Disclosure of utility model To overcome the problems in the related art, the present disclosure provides a hybrid transmission and a hybrid system. According to a first aspect of embodiments of the present disclosure, there is provided a hybrid transmission for use in a vehicle, an engine of the vehicle being connected to the hybrid transmission, the hybrid transmission comprising a first gear set, a second gear set, a third gear set, a gear, a first dog clutch and a second dog clutch; The first dog clutch is combined with the first gear set for transmitting power of the engine to wheels in a first engine gear to drive the vehicle; The second dog clutch is combined with the second gear set for transmitting power of the engine to wheels in a second engine gear to drive the vehicle; The second dog clutch, when engaged with the gear, is configured to transfer power of the engine to wheels in a third engine gear to drive the vehicle. Optionally, the hybrid gearbox comprises a drive motor and a third gear set; The first gear set, the second gear set, the gear and the third gear set are sequentially arranged between the driving motor and wheels of the vehicle; the first claw clutch is arranged between the first gear set and the second gear set, and the second claw clutch is arranged between the third gear set and the second gear set; The first gear set, the second gear set, the gears and the third gear set are used for transmitting power generated by the engine and/or the driving motor to the wheels. Optionally, the vehicle further comprises a generator, a transmission mechanism and a power battery; The hybrid engine assembly of the vehicle comprises a generator, a transmission mechanism and an engine, wherein the generator and the transmission mechanism are arranged on the engine, or the hybrid gearbox comprises the generator and the transmission mechanism; The transmission mechanism is used for transmitting power generated by the engine to the generator so that the generator supplies power for the power battery; the power battery is used for supplying power to the driving motor so that the driving motor works to drive the vehicle. Optionally, the engine comprises an engine output shaft, and the hybrid gearbox further comprises a gearbox input shaft, a gearbox output shaft and a gearbox intermediate shaft, wherein the gearbox input shaft and the gearbox output shaft are coaxial; the engine output shaft sequentially penetrates through the transmission mechanism and the generator to be connected with the first end of the torsional damper of the vehicle; The first end of the gearbox input shaft is connected with the second end of the torsional damper, and the second end of the gearbox input shaft is connected with the first end of the gearbox output shaft; the first gear set, the first claw clutch, the second gear set and the second claw clutch are sequentially arranged on the gearbox input shaft between the torsional damper and the first end of the gearbox output shaft; the transmission intermediate shaft is parallel to the transmission output shaft, the first gear set, the second gear set and the third gear set sequentially penetrate through the transmission intermediate shaft, and the transmission intermediate shaft is used for transmitting power generated by the engine and/or the driving motor to the wheels. Optionally, when the driving mode of the vehicle is a pure electric driving mode, the engine and the generator are not operated, the driving motor is operated, the first claw clutch is disconnected from the first gear set, and the second claw clutch is disconnected from the second gear set and the gear to drive the vehicle through the driving motor. Optionally, when the driving mode of the vehicle is a series driving mode, the engine works, the driving motor works, the generator charges a power battery of the vehicle under the driving of the engine, the first claw clutch is disconnected from the first gear set, and the second claw clutch is disconnected from the second gear set and the gear so as to drive the vehicle through the driving motor. Optionally, when the driving