Low-voltage redundant circuit, vehicle control method, vehicle and storage medium
By introducing low-voltage redundant circuits into the integrated controller and using the second voltage converter as backup power supply, the problem of unstable power supply of traditional integrated controllers is solved, ensuring the normal operation of critical vehicle systems and improving safety.
CN120191307APending Publication Date: 2025-06-24GREAT WALL NEW ENERGY COMMERCIAL VEHICLE CO LTD
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Patent Information
- Application Number
- CN202311787182.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2025-06-24
AI Technical Summary
Technical Problem
The power supply of traditional integrated controllers is unstable, which affects vehicle safety.
Method used
A low-voltage redundant circuit is designed, including a first voltage converter, a second voltage converter, an integrated controller, a power battery and a storage battery, and power supply through the second voltage converter as a backup to ensure that the target load control module in the integrated controller always has a stable power supply.
Benefits of technology
In the event of a failure of the main voltage converter, it can quickly switch to the backup voltage converter, ensuring the normal operation of the vehicle's critical system and improving the safety of the vehicle.
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Smart Images
Figure CN120191307A_ABST
Abstract
The invention provides a low-voltage redundant circuit, a vehicle control method, a vehicle and a storage medium, and belongs to the technical field of automobiles, the low-voltage redundant circuit comprises a first voltage converter, a second voltage converter, an integrated controller, a power battery and a storage battery, and the integrated controller comprises a control module of at least one target load; the input ends of the first voltage converter and the second voltage converter are connected with the power battery; the output end of the first voltage converter is connected with the input end of the storage battery and the integrated controller, and the output end of the storage battery is connected with the input end of the integrated controller; the output end of the second voltage converter is connected with the input end of the control module of at least one target load in the integrated controller. When the first voltage converter cannot supply power due to a fault, the second voltage converter is started to supply power to the control module of the at least one target load, so that normal operation of the at least one load is ensured, normal operation of the vehicle is ensured, and the safety of the vehicle is improved.
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