汽车车灯发展史及发展现状.ppt

Group Members: Yuan Chen (陈源) Bo Liang (梁波) --Brief History And Development Automobile Lamp Automobile Lamp History of Automobile Lamp Two Different Classifications New Technology History of Automobile Lamp Hand lamp The Columbia In 1887 The Earliest Headlight---- a hand lamp. In 1898 The first car applied headlight and tail light----The Columbia(哥伦比亚号) In 1916 Turn signals(转向灯) was born humoro-usly by Thomas C. H .Appl-ied to automobile from 1938 to 1940. In 1905 The acetylene(乙炔) lamp was used in car for the first time History of Automobile Lamp In 1868 First traffic lights(red and green) appeared in London,they are applied extensively in 1914 In 1920 Three colors traffic lights was invented by William potts(威廉姆·波茨) History of Automobile Lamp 1917 Cadillac A Product of?OSRAM(?欧司朗) In 1913 The helix tungsten filament incande-scent lamp(螺旋钨丝白炽灯) was invented and used to car by Cadillac. In 1920 Reversing light(倒车灯) was invented . In 1924 Double wire bulb（双灯丝灯泡） was used to change headlamp from distance light and dim head lights. History of Automobile Lamp 1922 ?Buick In 1920 Lamp was fixed inside the car for the first time by GM. History of Automobile Lamp In 1988 Parabolic Mirror （抛物面反射镜) was used to the headlights, side lights and tail lights. 2003奥迪Pikes Peak quattro概念车车灯 HID xenon lamp In 1991 BMW found High Intensity Discharge(HID)(高强度气体放电) principles In 1995 HID xenon lamp was first used for Mercedes(梅赛德斯) e-class sedan In 2005 White Light-Emitting Diode(LEDs) were first used to the AUDI A8L W12 headlamps for the first time. History of Automobile Lamp In 2014 Sport?Laserlight?Concept first used laser headlight In 2011 BMW began studying laser headlight（激光大灯）. History of Automobile Lamp Audi Sport?Laserlight?Concept The Classification According to Application Toplight(顶灯) Reading Lamp(阅读灯) Compartment Lights(行李厢灯) Door Lamp(门灯) lights outside the car Headlight(大灯) Clearance Lamp(示廓灯) Foglight(雾