Differential speed control device and steering device
By using a differential speed control device, and leveraging the mechanical linkage between the steering wheel and the dual coaxial potentiometers, combined with a linear Hall sensor and controller, the problems of complex structure and high cost of steer-by-wire systems are solved. This achieves simplified design and reliable differential control, reduces hardware costs, and improves the stability and safety of vehicle steering.
CN224545734UActive Publication Date: 2026-07-24SHIJIAZHUANG ZHENGJIE ELECTRONIC TECHNOLOGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHIJIAZHUANG ZHENGJIE ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Existing steer-by-wire systems are complex in structure and expensive, making them difficult to widely apply in electric vehicles.
Method used
A differential speed control device is adopted, which achieves differential speed control of the left and right wheel motors through the mechanical linkage between the steering wheel and the dual coaxial potentiometer, combined with linear Hall sensors and controllers, reducing the dependence on controllers and lowering hardware costs.
Benefits of technology
The mechanical-electronic hybrid design simplifies the steer-by-wire system, reduces hardware costs, and enables reliable differential control, thereby improving vehicle steering stability and safety.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224545734U_ABST
Abstract
The utility model provides a kind of differential speed regulation control device and steering gear, it is related to electric vehicle steering control technical field.The differential speed regulation control device includes: controller, linear hall sensor and steering wheel steering information acquisition module;Wherein, steering wheel steering information acquisition module includes transmission shaft and duplex coaxial potentiometer;Controller includes first controller and second controller;Duplex coaxial potentiometer includes first potentiometer and second potentiometer, the input end of first potentiometer and the ground end of second potentiometer are connected after series linear hall sensor's output, the input of linear hall sensor is connected with the power supply of one controller;The ground end of first potentiometer and the input of second potentiometer are connected after series ground;The sliding contact of first potentiometer and second potentiometer is connected with second controller and first controller respectively, and synchronous rotation is driven under transmission shaft.The utility model can simplify the structure of drive-by-wire steering gear.
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