汽车车灯配光技术培训教材课件.ppt
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1、Photometry&Lighting TechnologyMain contentn Photometry basic notionsn Photometric regulationsn Photometric solutionsn Light sourcesn Lighting technologiesn Autolamp appearance Photometry Basic Notions Photometry notionsn Solid Angle 立体角立体角?n Luminous Flux 光通量光通量?n Illuminance 照度照度?n Luminous intensi
2、ty 发光强度发光强度?Photometry 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lmPhotometry 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
3、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光强度,单位cd.To remindPhotometry notionsnSolid angle(sr)=Portion of surface limited by a Solid angle(sr)=Portion of surface limited by a cone.cone.表面对球心的张角。表面对球心的张角。nLuminous flux(lm)=Total amount of light Luminous flux(lm)=Total amount of light emitted by a light source.e
4、mitted by a light source.发光体发出的光线数量。发光体发出的光线数量。nIlluminance(lx)=Amount of light received by a Illuminance(lx)=Amount of light received by a given surface.given surface.被照面接受光通量的密度,用来鉴定被被照面接受光通量的密度,用来鉴定被照面的照明。照面的照明。nLuminous intensity(cd)=Amount of light coming Luminous intensity(cd)=Amount of light
5、coming out of the bulb in a given direction.out of the bulb in a given direction.发光体在某个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。方向上发出的光通量密度,表明了光通量的空间分布。Photometric RegulationsREGULATIONS 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前位灯后位灯示廓灯和制动灯配光性能性能 前雾灯配光性能前雾灯配光性能
6、外部照明和信号装置的安装规定外部照明和信号装置的安装规定前照灯配光性能前照灯配光性能转向信号灯配光性能转向信号灯配光性能倒车灯配光性能倒车灯配光性能机动车回复反射器机动车回复反射器 后雾灯配光性能后雾灯配光性能中华人民共和国国家标准中华人民共和国国家标准机动车运行安全技术条件机动车运行安全技术条件 道路机动车辆灯泡尺寸、光电性能要求道路机动车辆灯泡尺寸、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前位灯后位灯示廓灯和制动灯配
7、光性能性能 前雾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外部照明和信号装置的安装规定前照灯配光性能前照灯配光性能转向信号灯配光性能转向信号灯配光性能倒车灯配光性能倒车灯配光性能机动车回复反射器机动车回复反射器 后雾灯配光性能后雾灯配光性能中华人民共和国国家标准中华人民共和国国家标准机动车运行安全技术条件机动车运行安全技术条件 道路机动车辆灯泡尺寸、光电性能要求道路机动车辆灯泡尺寸、光电性能要求REGULATIONS R37R98R48R19R7R112R99R6Fog lamp beamHID bulbsSetup on the carHID bulbs for low and h
8、igh beamsPO(AV/AR),STOPHalogen low and high beamsFilament bulbsID(AV/AR/SIDE)ECE RegulationsREGULATIONS R37R98R48R19R7R112R99R6Fog lamp beamHID bulbsSetup on the carHID bulbs for low and high beamsPO(AV/AR),STOPHalogen low and high beamsNon sealed bulbsID(AV/AR/SIDE)ECE Regulations R112-Low beamAimi
9、ng 照准照准:The cut-off allows the low beam correct aiming.It should not overpass either the broken line HV-H1-H4,or the HV-H3 lineFor a RH driving beam,the horizontal cutoff should be placed to the left side of HV and 1%downwards(+/-1 horizontal discrepancy is allowed)Measurement conditions:Measurement
10、s must be carried out with a standard bulbThe current must be established in order to assure the bulb nominal flux,according to regulation(cf.R37)B50L 1%-6%0,57-3,4275R-1%2%-0,571,1475L-1%-6%-0,57-3.4250R-1,5%3%-0,861,7150L-1,5%-6%-0,86-3,4250V-1,5%0%-0,86 025L-3%-15,8%-1,71-925R-3%15,8%-1,71 9HV 0%
11、0%0 0ZIIIRZIIILZ4Z1P1 7%-14%4-8P2 7%0%4 0P3 7%14%48P4P5P6P7P8V(%)2H(%)-43,5%3,5%3,5%0%0%-7%0%7%-14%-7%2200V()H()04-8-4Emin Emax0,4Lx20 Lx0,7Lx2Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx1,5Lx1,5Lx6Lx15Lx12Lx6 Lx6 LxEmin EmaxCLASS ACLASSB3 Lx0,3Lx0,7Lx0,7Lx0,1Lx0,2Lx0,6Lx0,4Lx12Lx12Lx2L
12、x2Lx0,7Lx0,7Lx2*50R0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,7Lx0,3Lx0,6LxZone 3 3 LXZone 1 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 point of dazzling(E0.7
13、 Lx)located in the axis of the lamp.0.8EmaxPhysical significance of the principal pointsHV2L1L2R1RPhotometric requirements:2L2R1L1RHRV(%)H(%)0%0%0%4,5%0%-4,5%0%9%0%-9%MinMAX32 Lx16*75R240Lx16 Lx16 Lx4 Lx4 LxMinMAXCLASS ACLASS B16*75R240Lx16*75R240Lx16*75R240Lx16*75R240Lx48 Lx24 Lx24 Lx6 Lx6 Lx16*75R
14、240Lx16*75R240Lx16*75R240Lx16*75R240Lx16*75R240Lx16*75R240LxEMAX0,8*EMAX0,8*EMAX16*75R240LxAimingFor 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 point.If the high bea
15、m 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 beamH(%)V(%)H()V()EminEMAXHV0%0%001 LxB50L-6%1%-3,42 0,570,5 Lx75R2%-1%1,14-0,57 20Lx50L-6%-1,5%-3,42-0,8620Lx25L1-6%-3%-3,42-1,7230Lx50V0%-1,5%0-0,8
16、6 12Lx50R3%-1,5%1,72-0,86 20Lx25L2-15,8%-3%-9-1,724Lx25R1 15,8%-3%9-1,724LxH(%)V(%)H()V()EminEMAX25L3-26,8%-3%-15-1,722Lx25R2 26,8%-3%15-1,722Lx15L-36,4%-5%-20-2,861Lx15R36,4%-5%20-2,861LxP1-14%7%-840,1LxP20%7%040,1LxP314%7%840,1LxP4-7%3,5%-420,2LxH(%)V(%)H()V()EminEMAXP50%3,5%020,2LxP67%3,5%420,2Lx
17、P70%-14%0-80,1LxP80%-7%0-40,2LxA-BSegment 1-9%9%-1,5%-5,1 5,1-0,866LxC-DSegment 25,6%15,8%1,8%3,2 916LxE-FSegment 3-16,7%15%-7,5%-9,5 8,5-4,320LxEMAXREMAXLH0%H 3%H0H0,7170Lx50Lx75R50R25R125R215RP3P6P2P5BCDFH4H2H3H(%)V(%)B50L50 L 20 lx25L125L225L3 15LP1P4P8P7HVAH(%)E50V75L50LV(%)Inside this zone E1 L
18、ux R98 HID Low Beam R98 HID High BeamAiming:For 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 point.Many differences may compose the high beam,provided that they are me
19、ntioned in the R37 and/or R99 regulations.In that case,all the sources should be turned on when determining the high beam maximum illuminance point(HR)HV2L1L2R1RPhotometric requirements:2L2R1L1RHRV(%)H(%)0%0%0%4,5%0%-4,5%0%9%0%-9%MinMAX70Lx180Lx40 Lx40 Lx10 Lx10 Lx180LxEMAX0,8*EMAX180Lx180Lx180Lx180
20、Lx R19 Front Fog lampV(%)P1HVV(%)H(%)10%50%P10P12P11P6P4P3P7P2P9P8P5P13P18P17P14P15P16P19P20P21H(%)Zone A:0,15 E 1 LXZone B:E 1 LXZone C:E 0,5 LXZone D:Emin=1,5LXZone E:Emin=0,5LXFor every vertical line of zones E et D at least one point should present an illuminance value above Emin.Regulation by z
21、ones(official)Regulation by points(non official)P10%-50%0-26,5P26%-50%3,44-26,5P33%-9%1,72-5,15P40%-9%0-5,15P50%0%00P63%0%1,72 0P76%0%3,440P86%50%3,44 26,5P90%50%026,5P10 0%9%05,15P11 3%9%-1,725,15P12-3%-40%-1,72-21,8P13-6%-40%-3,44-21,8P14-6%-18%-3,44-10,2P15-3%-18%-1,72-10,2P16-3%0%-1,72 0P17P18P1
22、9P20P21V(%)-3,44H(%)0-6%-6%-3%-3%-6%0%18%18%40%40%-3,44-1,72-1,72-3,44V()H()10,210,221,821,8EminEmax1Lx0,5Lx1Lx0,5Lx1,5Lx1,5Lx1,5Lx1,5Lx1,5Lx1,5Lx0,5Lx0,5Lx0,15Lx1Lx1Lx0,5Lx0,5Lx1Lx1Lx1Lx1Lx0,5Lx0,15Lx0,15LxMeasurement conditions:Measurement must be performed with a standard bulb.Input tension shoul
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