Headlight Electric Lighting System

Post on 19-Jan-2016

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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.