汽车车灯配光技术培训教材(1).ppt
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1、Photometry&Lighting Technology,Main content,Photometry basic notions Photometric regulations Photometric solutions Light sources Lighting technologies Autolamp appearance,Photometry Basic Notions,Photometry notions,Solid Angle 立体角?Luminous Flux 光通量?Illuminance 照度?Luminous intensity 发光强度?,Photometry
2、notions,Solid angle 立体角 球面上某块面积对球心形成的角称为立体角。立体角的单位为Sr。,整个圆球面对应的立体角为4。,Photometry notions,Luminous flux光通量,光源在单位时间内向周围空间辐射并引起视觉的能量,称为光通量.单位lm,Photometry notions,Illuminance 照度,是用来表示被照面(点)上光的强弱。投射到被照面上的光通量与被照面的面积之比称为该面的照度,单位lx。,Photometry notions,Luminous intensity 光源在空间某一特定方向上单位立体角内辐射的光通量,称为光源在该方向上的发
3、光强度,单位cd.,To remind,Photometry notions,Solid angle(sr)=Portion of surface limited by a cone.表面对球心的张角。Luminous flux(lm)=Total amount of light emitted by a light source.发光体发出的光线数量。Illuminance(lx)=Amount of light received by a given surface.被照面接受光通量的密度,用来鉴定被照面的照明。Luminous intensity(cd)=Amount of light
4、coming out of the bulb in a given direction.发光体在某个方向上发出的光通量密度,表明了光通量的空间分布。,Photometric Regulations,REGULATIONS,GB 11564GB 4599GB 4785GB 5920GB 17509GB 15235GB 7258GB 11554GB 4660GB 15766,前位灯后位灯示廓灯和制动灯配光性能,前雾灯配光性能,外部照明和信号装置的安装规定,前照灯配光性能,转向信号灯配光性能,倒车灯配光性能,机动车回复反射器,后雾灯配光性能,中华人民共和国国家标准,机动车运行安全技术条件,道路机动车
5、辆灯泡尺寸、光电性能要求,REGULATIONS,GB 11564GB 4599GB 4785GB 5920GB 17509GB 15235GB 7258GB 11554GB 4660GB 15766,前位灯后位灯示廓灯和制动灯配光性能,前雾灯配光性能,外部照明和信号装置的安装规定,前照灯配光性能,转向信号灯配光性能,倒车灯配光性能,机动车回复反射器,后雾灯配光性能,中华人民共和国国家标准,机动车运行安全技术条件,道路机动车辆灯泡尺寸、光电性能要求,REGULATIONS,R37R98R48R19R7R112R99R6,Fog lamp beam,HID bulbs,Setup on the
6、car,HID bulbs for low and high beams,PO(AV/AR),STOP,Halogen low and high beams,Filament bulbs,ID(AV/AR/SIDE),ECE Regulations,REGULATIONS,R37R98R48R19R7R112R99R6,Fog lamp beam,HID bulbs,Setup on the car,HID bulbs for low and high beams,PO(AV/AR),STOP,Halogen low and high beams,Non sealed bulbs,ID(AV/
7、AR/SIDE),ECE Regulations,R112-Low beam,cut-off,-,1 Posted panels at 100m 2 Posted panels at 50m3 Overhead road signs at 100 m,4 Eyes fixation5 Opposerseyes at 50m6 lane delineators at 50m,Statistical positions of what needs be seen and identified,Headlamp photometric requirements,75R:Point located a
8、t 75m on the right side of the level ground.Its value must be close to that of maximum illuminance.12 lx50R:Point located at 50m on the right side on the level of the ground.12 lxB50L:Point located at 50m on the trajectory of the eye of the driver coming from opposite direction.2 lxHC:In LB,it is a
9、point of dazzling(E0.7 Lx)located in the axis of the lamp.0.8Emax,Physical significance of the principal points,AimingFor a mixed headlamp,the high beam will be aimed as it follows the low beam aimingIf the high beam alone should be aimed,the maximum high beam illuminance should be placed at the HV
10、point.If the high beam is composed by many sources,all of them must be turned on simultaneously for the determination of the high beam maximum illumination point.,R112-High beam,R98 HID Low Beam,R98 HID High Beam,R19 Front Fog lamp,The photometric grid for signaling 配光分布,The color for signaling,Tail
11、 Lamp,Photometry,Feu simple/Single lamp I maxi 12cdEnsemble de plusieurs feux/Assembly of several lamps I maxi 17cdFeu marqu D(aile+coffre)/Lamps marked D(fender+outer)I maxi 8,5 cd,Stop Lamp,Photometry,Feu simple/Single lamp I maxi 185cdEnsemble de plusieurs feux/Assembly of several lamps I maxi 26
12、0cdFeu marqu D(1 aile+1 coffre)/Lamps marked D(fender+outer)I maxi 130 cd,Fog Lamp,Photometry,I maxi 300cd,Reverse,Photometry,Horizontal et plus haut/Horizontal and upper I maxi 300cdEntre 0 et-5/Between 0 and-5 I maxi 600cdEn dessous de 5/Behind 5 I maxi 8000 cd,Turn indicator,Photometry,I maxi 350
13、cd,GB7258 Amendment 1,关于GB 7258-2004机动车运行安全技术条件国家标准第1号修改通知单,经国家标准化管理委员会批准已正式发布,于2006年11月1日起实施。修改内容如下:一、删除第8.4.3条(前照灯的远、近光灯上下并列设置时,近光灯应位于上侧,其它情况下近光灯应位于外侧)的内容。二、第8.4.7.3条中的“在检验前照灯远光光束及远光单光束灯照射位置时”改为:“在检验前照灯远光照射位置时,对于能单独调整远光光束的前照灯”。,GB4599 Update,本标准代替GB 4599-94汽车前照灯配光性能,与前者相比主要变化如下:增加了HS1、HB3、HB4、H7、H
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