Headlight Electric Lighting System
27
Trade Theory Electric, Lighting System 27 Pages
description
Headlight electric lighting system
Transcript of Headlight Electric Lighting System
Trade Theory
Electric, Lighting System27 Pages
Trade Theory Incandescent-Lamp
Bilux Lamp12 Volt, 45/40 Watt
Filament for high beam
Filament for low beam
Shield
Electric Connection, 3x
Glass Bulb
Lamp Base
Positioner
Positioner, 3x
Trade Theory Halogen-Lamp
Filament for high beam
Filament for low beam
Shield
Electric Connection, 3x
Glass Bulb
Lamp Base
Positioner
Positioner, 3x
Bulb Type : H4 (dual-filament)12 Volt, 60/55 Watt
Side view
Trade Theory Halogen-Lamp
Bulb Type : H4(dual-filament)
12 Volt, 60/55 Watt
Rear view
15°
Front view
Trade Theory Halogen-Lamp
Bulb Type : H3(single-filament)
Different Types of Halogen Lamps
H1 = Single FilamentH3 = Single FilamentH4 = Dual FilamentH7 = Single FilamentHB3 = Single FilamentHB4 = Single Filament
Filament
Electric Connection (+)Glass Bulb
Lamp Base (-)
Trade Theory Halogen-Lamp
Priciple of Function
... ... .. ... .
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Halogen filling(Jodine or Bromine)
Tungsten filamentof low beam
Shield
Tungsten halogenideTungsten evaporate Tungsten deposits
200 .... 1400 C °
Tungsten filamentof high beam
Trade Theory Incandescent Lamp
Single Filament
Glass BulbLamp Socket Base (-)
Electric Connection (+)
Vacuum Bulb
Trade Theory Illumination Technology
High Beam
Lamp
Reflector
Low Beam
Ray projection
Trade Theory Illumination Technology
High Beam
Lamp
Reflector
Lense
The Lense generates desireddistribution pattern
Ray projection
Trade Theory Illumination Technology
Principle of a Lense
Asymetric elementfor left traffic
Asymetric elementfor right traffic
Trade Theory
Break point 15°
Headlamp-pattern test screenFor right traffic
100 mm
Height ofHeadlamp
Center
Declination line
Illumination Technology
Trade Theory
Headlamp-pattern test screenFor left traffic
100 mm
Height ofHeadlamp
CenterDeclination line
Illumination Technology
Breakpoint 15°
Trade Theory Illumination Technology
Headlamp-pattern test screenTraditional method
10 m
Test screen
Center point of headlamp
Declination lineDeclination100 mm
Trade Theory
Headlight patternFor righ traffic
Delineation line withasymmetrical low beam
Central mark for middleof high beam
Illumination Technology
Trade Theory
Headlight patternFor left traffic
Central mark for middleof high beam
Illumination Technology
Delineation line withasymmetrical low beam
Trade Theory Road-surface illumination
Asymetric lightRight traffic
Symetric light
Trade Theory Road-surface illumination
Asymetric lightLeft traffic
Symetric light
Trade Theory Road-surface illumination
Two vehicles meet at night with asymetric light
Trade Theory Road-surface illumination
Unladen steady-state operation
Under acceleration or with rear load
During braking
Illumination range on level surface without headlight leveling control
Trade Theory
Design configurations of head lamps
High/LowBeam
Low Beam
High Beam High Beam
Fog Lamp
Low Beam
Headlamps
Trade Theory Gaseous-discharge lamp
Lamp base Glass capsulewith UV shield
Electrical lead
Discharge chamber ElectrodesElectric connection
Bulb Type : D2S
Trade Theory Gaseous-discharge Lamp
Individual parts
Ignition unit
ECU(Electronic control unit)
Vehicle electrical system
Lense
Reflector
Bulb
Trade Theory Sealed Beam
Low BeamHigh Beam
Electricalconnection
ReflectorLense
Inert gas filling
Sealing
Trade Theory Homofocal reflector
Base reflectorHigh beam reflector
Low beam bulb
Supplementary reflectors
High beam bulb
Fog-lamp reflector
Fog-lamp bulb
Modern Headlamp with stepped reflector
Trade Theory
Lenght of Radiation
1013
1011
10-13
1013
109
107
10-510-3
103105
10
10-1
10-7
10-9
10-11
Cosmic radiation
Radar
Television
Infra red radiation
Ultra violet radiation
X-Ray radiation
Gama radiation
LW
MW
KW
UKW
redorange
green
blue violetblue
violet
yellowVisiblelightLight
Note : 1 nm = 10 (0,000 001 mm)-6
Physics
Trade Theory
Visible Light
380 nm
780 nm
555 nm
Physics
Trade Theory
Development
Road-surface illumination
Infrared-laser head lightIn future infrared-laser headlight will increasefhe visibility distance of the deep-light from40 up to 150 meters. Since infrared-light is notvisible it can not blind the traffic.The street scenery is projected to a screen onthe dasboard.
