A vehicle mode switching method, device, system and vehicle
By controlling the coordinated operation of the clutch and electric motor in hybrid vehicles, the engine can be started quickly and torque can be adjusted, solving the problem of slow mode switching speed and improving power response and driving experience.
CN122300448APending Publication Date: 2026-06-30GREAT WALL MOTOR CO LTD
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Patent Information
- Application Number
- CN202411995883.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-06-30
AI Technical Summary
Technical Problem
When a hybrid vehicle switches from pure electric rear-wheel drive mode to power split mode, it needs to control multiple components, resulting in a slow switching speed and affecting power response performance and driving experience.
Method used
By controlling the clutch engagement and using the first motor to drive the engine sequentially through the power splitting mechanism and the clutch, the engine can be started quickly. Torque adjustment is performed on the engine and motor to ensure rapid switching of the synchronizer and achieve rapid and stable switching of vehicle modes.
Benefits of technology
The mode switching speed has been improved, enhancing power response performance and the user driving experience, and ensuring a smooth switching process.
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Smart Images
Figure CN122300448A_ABST
Abstract
This application provides a vehicle mode switching method, apparatus, system, and vehicle, belonging to the field of vehicle technology. The embodiments of this application, when the vehicle meets the mode switching conditions from pure electric rear-wheel drive mode to power-split mode, control the clutch to close, and utilize a first motor to sequentially drive the engine through the power-split mechanism and the clutch. This enables rapid engine start-up. Furthermore, by adjusting the torque of the engine and the first motor, rapid closure of the first and second synchronizers can be achieved while ensuring safe gear shifting. This effectively improves the mode switching speed while ensuring smooth switching, achieving faster power response and enhancing the user's driving experience.
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