In order to solve the safety problem of a steer-by-wire system, the steering wheel turning angle detection device with the redundant safety device is provided and comprises a hydraulic cylinder body, a bearing, a driving piston, a driven fork, a limiting sliding device, a connecting shaft, a spring, a cylindrical cam, a sealing bearing, a driven piston, a sensing detection shaft, a displacement detection device and an unlocking assembly. The hydraulic cylinder body is internally provided with a large cavity and a detection cavity, and the large cavity and the detection cavity are connected through a flow channel. A cylindrical cam is arranged in the large cavity, a connecting shaft is connected to the interior of the cylindrical cam through a spring, the connecting shaft descends to enable the transmission system to form mechanical connection in an emergency, a driven piston is arranged in the detection cavity, and the sensing detection shaft is connected to the driven piston; a set of safety device is added, mechanical connection of the steering wheel and the drive-by-wire chassis can be achieved in emergency, and the driving safety is greatly improved.
针对线控转向系统的安全性问题,提供了一种具有冗余安全装置的方向盘转角检测装置,包含液压缸体、轴承、主动活塞、从动叉、限位滑动装置、连接轴、弹簧、圆柱凸轮、密封轴承、从动活塞、传感检测轴、位移检测装置、解锁组件;所述液压缸体内部设有大空腔和检测腔两个腔体,所述大空腔和检测腔通过流道相连;所述大空腔内设置有圆柱凸轮,圆柱凸轮中通过弹簧连接有连接轴,在紧急情况下,连接轴下降使传动系统形成机械连接,所述检测腔中设有从动活塞,所述从动活塞上连接有所述传感检测轴;本发明增加一套安全转置,可以在紧急时刻实现方向盘与线控底盘的机械连接,极大提升了驾驶安全性。
Steering wheel turning angle detection device with redundant safety device
一种具有冗余安全装置的方向盘转角检测装置
2023-09-05
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
Automobile steering wheel turning angle indicating device
European Patent Office | 2021
|