Rotary Electromagnetic Actuator and Car Lamp Low Beam and High Beam Light Switching Device Thereof

摘要

A rotary electromagnetic actuator and a car lamp low beam and high beam light switching device. The rotary electromagnetic actuator, comprising a shell, a rotor, a stator, a rotating shaft and an end cover; a stator winding is arranged on the stator, and the stator is fixedly installed at the inner part of the shell to form a pair of arc-shaped stator magnetic poles on which electric excitation can be applied; the rotor, as an arc-shaped permanent magnet, is fixed on the rotating shaft and is located in a magnetic field space of the arc-shaped magnetic poles of the stator; and the rotor is matched with the arc-shaped stator magnetic poles to form an air gap closing magnetic path; an swing bar extending along radial direction of the rotating shaft is connected to two ends of the rotating shaft respectively; the light screen of the car lamp low beam and high beam light switching device is fixedly connected on the swing bars at two ends of the rotating shaft; and a swing angle of the light screen is identical with a rotating angle of the rotor.

主权项

1. A rotary electromagnetic actuator, comprising a shell, a rotor, a stator, a rotating shaft and an end cover, and used for driving a light screen of a car lamp low beam and high beam light switching device, wherein:
a stator winding is arranged on the stator, and the stator and the stator winding are fixedly mounted in the shell to form a pair of arc-shaped stator magnetic poles on which electric excitation can be applied; the rotor, as an arc-shaped permanent magnet, is fixed on the rotating shaft and is located in a magnetic field space of the arc-shaped magnetic poles of the stator; and the rotor is matched with the arc-shaped stator magnetic poles to form an air gap closing magnetic path; an swing bar extending along radial direction of the rotating shaft is connected to two ends of the rotating shaft respectively; the light screen of the car lamp low beam and high beam light switching device is fixedly connected on the swing bars at two ends of the rotating shaft; and a swing angle of the light screen is identical with a rotating angle of the rotor.