The invention discloses a coaxial double-motor two-gear-box two-in-one driving unit which comprises a driving motor and a gearbox, the driving motor comprises a motor shell, a front end cover, a rear end cover and a motor shaft, and a first driving assembly and a second driving assembly are arranged in the motor shell; the first driving assembly comprises a first rotor iron core, a first stator and a first rotary transformer, the second driving assembly comprises a second rotor iron core, a second stator and a second rotary transformer, and the first rotor iron core and the second rotor iron core are sequentially connected to the motor shaft in the axial direction; the first stator and the second stator are sequentially fixed on the motor shell along the axial direction; the gearbox is a two-gear gearbox and is installed on one side of a front end cover of the driving motor, a motor shaft extends out of the front end cover into the gearbox to be connected with the gearbox, the requirement for high power and large torque of the driving unit is met, meanwhile, the single-machine current can be effectively reduced, the cost of a controller is reduced, and the efficient interval of the driving unit is enlarged through reasonable torque distribution.
本发明公开了一种共轴双电机两档箱二合一驱动单元,包括驱动电机和变速箱,其中:所述驱动电机包括电机壳体、前端盖、后端盖和电机轴,所述电机壳体内设置有第一驱动组件和第二驱动组件,所述第一驱动组件包括第一转子铁芯、第一定子和第一旋转变压器,第二驱动组件包括第二转子铁芯、第二定子和第二旋转变压器,所述第一转子铁芯和第二转子铁芯沿轴向依次连接在电机轴上,第一定子和第二定子沿轴向依次固定于电机壳体上;所述变速箱为两档变速箱,其装于驱动电机的前端盖一侧,电机轴伸出前端盖至变速箱内连接变速箱,本发明满足驱动单元大功率大扭矩的同时可有效的降低单机电流,降低控制器成本,通过合理的扭矩分配扩大了驱动单元的高效区间。
Coaxial double-motor two-gear-box two-in-one driving unit
一种共轴双电机两档箱二合一驱动单元
2023-01-06
Patent
Electronic Resource
Chinese
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Double-row planetary gear coaxial type electric driving system
European Patent Office | 2022
|Two-gear coaxial dual-motor composite electric driving device
European Patent Office | 2024
|