Apparatus and method for controlling headlight in vehicle and headlight lamp having multifunction structure
First Claim
1. In an apparatus for controlling a headlight for a vehicle having a headlight lamp of a multifunction structure having a plurality of high, middle and low angle and steering headlight filaments each capable of emitting light for providing high, middle and low angle and steering beams, an apparatus for controlling a headlight for a vehicle, comprising:
- a light switch capable of providing an automatic mode to a vehicle driver, said automatic mode capable of automatically changing an on and off time of the headlight and a lighting angle of the headlight;
a vehicle speed sensor for detecting a running speed of a vehicle when an automatic mode is selected by the light switch and generating a vehicle speed signal corresponding to the detected vehicle speed;
an opponent vehicle headlight luminous intensity sensor for detecting a luminous intensity of the opponent vehicle headlight of the vehicle when the automatic mode is selected by the light switch and generating a luminous intensity signal corresponding to the detected opponent vehicle luminous intensity;
a vehicle surrounding luminous intensity sensor for detecting a surrounding luminous intensity of the vehicle when the automatic mode is selected by the light switch and generating a luminous intensity signal corresponding to the detected surrounding luminous intensity;
a controller for determining a lighting step of the headlight in accordance with a vehicle speed, opponent vehicle headlight luminous intensity signal and vehicle surrounding luminous intensity signal from the vehicle speed sensor, the opponent vehicle headlight luminous intensity sensor and the vehicle surrounding luminous intensity sensor and controlling an operation that a corresponding filament among the high, middle and low angle headlight filaments is turned on based on the determined lighting step;
a headlight relay unit for supplying a power to a corresponding selected filament based on the determined lighting step among the high, middle and low angle headlight filaments in accordance with a control of the controller; and
a power unit for supplying a power to each element of the vehicle.
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Abstract
The present invention relates to a headlight lamp (110) having a multifunction structure in which a lighting angle of a headlight of a vehicle is automatically and manually controlled based on a running speed of a vehicle, a brightness of a headlight of an opponent vehicle and a surrounding brightness of a vehicle. The headlight lamp (110) includes a plurality of high angle headlight filaments (115), capable of lighting for providing a high angle beam to a vehicle, a plurality of low angle headlight filaments (111) capable of lighting for providing a low angle beam to the vehicle, low angle headlight reflection covers (112) provided in the low angle headlight filaments (111) respectively, for thereby allowing the light from the low angle headlight filaments (111) to have a low beam pattern angle, and external connection terminals.
14 Citations
15 Claims
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1. In an apparatus for controlling a headlight for a vehicle having a headlight lamp of a multifunction structure having a plurality of high, middle and low angle and steering headlight filaments each capable of emitting light for providing high, middle and low angle and steering beams, an apparatus for controlling a headlight for a vehicle, comprising:
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a light switch capable of providing an automatic mode to a vehicle driver, said automatic mode capable of automatically changing an on and off time of the headlight and a lighting angle of the headlight; a vehicle speed sensor for detecting a running speed of a vehicle when an automatic mode is selected by the light switch and generating a vehicle speed signal corresponding to the detected vehicle speed; an opponent vehicle headlight luminous intensity sensor for detecting a luminous intensity of the opponent vehicle headlight of the vehicle when the automatic mode is selected by the light switch and generating a luminous intensity signal corresponding to the detected opponent vehicle luminous intensity; a vehicle surrounding luminous intensity sensor for detecting a surrounding luminous intensity of the vehicle when the automatic mode is selected by the light switch and generating a luminous intensity signal corresponding to the detected surrounding luminous intensity; a controller for determining a lighting step of the headlight in accordance with a vehicle speed, opponent vehicle headlight luminous intensity signal and vehicle surrounding luminous intensity signal from the vehicle speed sensor, the opponent vehicle headlight luminous intensity sensor and the vehicle surrounding luminous intensity sensor and controlling an operation that a corresponding filament among the high, middle and low angle headlight filaments is turned on based on the determined lighting step; a headlight relay unit for supplying a power to a corresponding selected filament based on the determined lighting step among the high, middle and low angle headlight filaments in accordance with a control of the controller; and a power unit for supplying a power to each element of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. In a method for controlling a headlight of a vehicle using headlight lamps each having a multifunction structure having high, middle, low and steering angle headlight filaments capable of emitting light for providing high, middle, low and steering beams, a method for controlling a headlight of a vehicle, comprising the steps of:
- a step for performing a headlight automatic mode in such a manner that a vehicle driver adjusts a light switch;
a step for detecting a running speed of the vehicle by driving a vehicle speed sensor; a step for determining a lighting step corresponding to the detected vehicle speed from a vehicle speed signal from the vehicle speed sensor; a step for turning on a corresponding filament among the high, middle and low angle headlight filaments in accordance with the determined lighting step; a step for detecting an opponent vehicle headlight luminous intensity of the vehicle by driving an opponent vehicle headlight luminous intensity sensor; a step for determining a lighting step corresponding to the detected opponent vehicle headlight luminous intensity from a luminous intensity signal from the opponent vehicle headlight luminous intensity sensor; a step for turning on a corresponding filament among the high, middle and low angle headlight filaments in accordance with the determined lighting step; a step for detecting the surrounding luminous intensity of the vehicle by driving a vehicle surrounding luminous intensity sensor; a step for determining a lighting step corresponding to the detected vehicle surrounding luminous intensity from a luminous intensity signal from the vehicle surrounding luminous intensity sensor; and a step for turning on a corresponding filament among the high, middle, and low angle filament in accordance with the determined lighting step. - View Dependent Claims (13, 14, 15)
- a step for performing a headlight automatic mode in such a manner that a vehicle driver adjusts a light switch;
Specification