Automotive headlamp high beam, low beam automatic change device

摘要

An object of the present invention is to automatically adjust a high beam and a low beam according to the vehicle speed to secure a driver's watch. The headlamp apparatus of the conventional automobile has a problem that it is inconvenient to use since the driver manually selects the high beam and the low beam of the headlamp using the dimmer switch regardless of the speed of the vehicle. In order to solve this problem, the present invention provides a headlamp relay for supplying power to a headlamp driver when a driver operates a light switch to illuminate the headlamp, a vehicle speed sensor for detecting and outputting the speed of the vehicle in response to the operation of the light switch, A controller for comparing the speed value detected from the vehicle speed sensor with a predetermined reference value and automatically controlling the headlamp to a high beam or a low beam according to a result of the comparison; And a head lamp driving unit for driving the beam.