PROTECTION DEVICE FOR AN OPTICAL SENSOR AND DRIVING-ASSISTANCE SYSTEM WITH SUCH A PROTECTION DEVICE

The subject of the present invention is a device (3) for protecting an optical sensor (13) of a driver-assistance system (1) for a motor vehicle, the optical sensor (13) comprising an optic (14), andthe protecting device (3) including: an optical element (9) that is configured to be positioned upstream of the optic (14) of the optical sensor (13) and mounted so as to be movable about an axis of rotation (A1); and an actuator (5) that is configured to rotate the optical element (9), characterized in that the protecting device (3) further includes: at least one heating component (7) that is configured to heat the optical element (9) so as to defog or defrost this optical element (9); and an induction system (8) that is configured to supply power to the heating component (7). 本发明的主题是种用于保护机动车辆的驾驶员辅助系统(1)的光学传感器(13)的保护装置(3)，所述光学传感器(13)包括光学器件(14)，以及保护装置(3)包括：·光学元件(9)，其被构造为位于光学传感器(13)的光学器件(14)的上游并且安装成以便围绕旋转轴线(A1)是可动的·和致动器(5)，其构造为旋转光学元件(9)，其特征在于，保护装置(3)还包括：·至少个加热部件(7)，其被构造为加热光学元件(9)以便对光学元件(9)进行除雾或除霜；以及·感应系统(8)，其被构造为向加