Drive system and vehicle
CN121671310BActive Publication Date: 2026-08-28ZHEJIANG LEAPPOWER TECH CO LTD +1
Patent Information
- Application Number
- CN202511886750.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-12
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2045-12-12
AI Technical Summary
Technical Problem
[0002]现有车辆中，松开油门或踩动刹车时，电机作为发电机工作，将车辆动能转化为电能存储到电池中为能量回收模式，从电机的驱动模式切换到能量回收模式时可能因为速比与转速不匹配、能量回收系统介入不平滑、控制系统响应不及时等因素出现顿挫，影响车辆驾驶体验
Benefits of technology
[0014]本申请方案的一种驱动系统以及车辆，具有以下有益效果：传动部件包括驱动桥；动力组件包括第一电机和第二电机，第一电机和第二电机均与驱动桥连接，第一电机具有用于输出扭矩的驱动模式以及车辆制动状态下的能量回收模式；响应于第一电机从驱动模式切换为能量回收模式，控制组件用于控制第二电机向第一电机提供补偿扭矩，第二电机的补偿扭矩与第一电机在驱动模式下的输出扭矩的旋转方向相反。第一电机用于输出动力通过驱动桥驱动驱动轮，以进一步驱动车辆，第一电机输出扭矩驱动车辆的模式为驱动模式；当车辆处于制动减速状态，第一电机停止输出扭矩，第一电机作为发电机工作，此时第一电机所处的模式为能量回收模式。响应于第一电机从驱动模式切换为能量回收模式，第二电机提供的补偿扭矩输送至第一电机，如此设计采用电机控制补偿扭矩，能够提升响应效率，由于第二电机的补偿扭矩与第一电机在驱动模式下的输出扭矩的旋转方向相反，第二电机的补偿扭矩能够在第一电机从驱动模式切换为能量回收模式的情况下反向推动传动部件，使传动部件在模式切换的瞬间不会扭矩中断，传动部件中各个零件能够在第二电机的补偿扭矩的作用下呈线性下降，进而使能量回收系统平滑介入，以使各个零件之间的转速相互匹配，降低了模式切换过程中扭矩中断造成的顿挫感。
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN121671310B_ABST
Abstract
The application relates to the technical field of vehicle engineering, in particular to a driving system and a vehicle. The first motor and the second motor are connected with a driving axle, the first motor has a driving mode for outputting torque and an energy recovery mode in a vehicle braking state; in response to the first motor switching from the driving mode to the energy recovery mode, the control assembly is used for controlling the second motor to provide a compensation torque to the first motor, the compensation torque of the second motor is opposite to the rotating direction of the output torque of the first motor in the driving mode. The design adopts motor control compensation torque, can improve response efficiency, the compensation torque of the second motor can reversely push the transmission component in the case that the first motor switches from the driving mode to the energy recovery mode, each part in the transmission component can linearly descend under the action of the compensation torque of the second motor, and then the energy recovery system is smoothly intervened, and the jerk caused by torque interruption in the mode switching process is reduced.
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Citation Information
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