LED (Light Emitting Diode) headlamp for motor vehicle

Abstract

The invention relates to an LED (Light Emitting Diode) headlamp for a motor vehicle. The LED headlamp for the motor vehicle overcomes the defects that in the prior art, beams between a dipped headlight and a headlight on full beam in the vehicle shelter from each other, the most brilliant central light emitting point of the LED lamps light directly forward to cause dazzle, the brightness of beams lighting forward is nonuniform, and a reflector has a light receiving dead angle and the like. The key points of the technical scheme are that the LED headlamp for the motor vehicle comprises a lamp cup body, a reflector, a transmitting lens, LED lamps, an LED driving circuit board and a radiator assembled and matched correspondingly. The LED headlamp for the motor vehicle is characterized in that the inner cavity of the lamp cup body is divided into an upper part and a lower part separated by a partition board in a horizontal state. A dipped headlight reflector is arranged on the inner wall face on the upper part, and the lower part is divided into a left part and a right part by a partition board. Headlights on full beam are respectively arranged on the inner wall faces of the left and right parts. LED lamps are respectively arranged on the partition boards in the upper, left and right parts. The directions of the central light emitting points of the LED lamps are vertical to the partition boards and the LED lamps directly light the dipped headlight reflector or the reflector of the headlight on full beam, respectively.

Description

technical field [0001] The invention belongs to lighting fixtures for motor vehicles, in particular to an LED type motor vehicle headlamp. Background technique [0002] The same kind of motor vehicle headlights generally used at present, the structure is generally made up of lampshade, lamp housing, reflective bowl, filament bulb, lamp holder, dustproof cover, light adjusting screw etc. There are two filaments in the bulb, one for high beam and one for low beam. The high-beam filament is located at the focus of the reflective bowl, and its reflected light is parallel horizontal light, which is an elliptical spot on the light distribution screen; the low-beam filament is located above the focus of the reflective bowl, and its reflected light is downward parallel light. A cut-off line is produced on the light distribution screen. The light level of the headlight can be adjusted by the light adjustment screw. This headlamp adopting a filament bulb has defects such as large p...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the fact that the existing lights that can be used as motor vehicle headlights have the mutual blocking of the light between the low beam and the high beam in the car light, and the brightest central luminous point of the LED light shines directly forward, causing glare and direction. The brightness of the light beam illuminated before is not uniform, and there are defects such as light-receiving dead angles in the reflector. The purpose of the present invention is to provide an improved LED-type motor vehicle headlight, which can overcome the defects of the prior art.

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