GB 11564-1998 机动车回复反射器

NationalStandardofPeople’sRepublicofChina

RetroReflectorforMotorVehicles

GB11564--****

SubstitutionofGB/T11564—89

1Scope

Thisstandardspecifiesthetechnicalrequirements,testingmethodsandinspectionrulesforretro

reflectorofmotorvehicles.

Thisstandardappliestovarioustyperetroreflectorsusedonmotorcycles,motorvehiclesand

trailers.

2Normativereferences

Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constitute

provisionsofthisstandard.Atthetimeofpublication,theeditionsindicatedwerevalid.All

standardsaresubjecttorevision,andpartiestoagreementsbasedonthisstandardareencouraged

toinvestigatethepossibilityofapplyingthemostrecenteditionsofthestandardsindicated

below.

GB/T3978—1994StandardIlluminantsandIlluminating-viewingConditions

3Definitions

Forthepurposeofthisstandard,followingstandardsareapplied.

3.1RetroReflection

Meansthereflectioninwhichlightisreflectedindirectionsclosetothedirectionfromwhichit

came.Thispropertyismaintainedoverwidevariationsoftheilluminationangle;

3.2RetroReflectingOpticalUnit

Meansacombinationofopticalcomponentsproducingretroreflection;

3.3RetroReflector1)(hereinafterreferredtoas“reflector”)

Meansanassemblycomprisingoneormoreretroreflectingopticalunitsandhavingthefunction

ofretroreflection.

3.4IlluminatingSurfaceofaRetroReflector(hereinafterreferredtoas“illuminatingsurfaceofa

reflector”or“illuminatingsurface”)meansthetotalvisiblesurfaceoftheretroreflectingoptical

unitswhichappearscontinuousatthenormalobservationdistances.

3.5AxisofReference(NC)

Meansacharacteristicaxistobedefinedbythemanufactureroftheretroreflector,whichserves

asreferencelinefortheilluminationanglesinphotometricmeasurementsandinreflectorfitting.

00

(H=0,V=0)

3.6CenterofReference(C)

Meanstheintersectionoftheaxisofreferencewiththeilluminatingsurface.Itisspecifiedbythe

manufacturerofthereflector.

ApprovedbyCSBTSon1998-10-19EffectiveDate:1999-10-01

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3.7ObservationAngle(α)

Meanstheanglebetweenthestraightlinesconnectingthecenterofreferencetothecenterofthe

receiverandtothecentreofthesourceofillumination.

3.8IlluminationAngle(β)

Meanstheanglebetweenthestraightlinesconnectingthecentreofreferencetothecentreofthe

sourceofilluminationandtheaxisofreference.

3.9AngleofRotation(ε)

Meanstheanglethroughwhichtheretroreflectorisrotatedaboutitsaxisofreferencestarting

fromonegivenposition.

3.10IlluminationoftheRetroReflector(E)

Meanstheilluminationmeasuredinaplaneperpendiculartotheincidentraysandatthe

referencecenterofreflector.

3.11Co-efficientofLuminousIntensity(CIL）

Meansthequotientoftheluminousintensityreflectedinthedirectionobservationangle,divided

bytheilluminationofreflectorforgivenilluminationangle,observationangle,andangleof

rotation.

4TechnicalRequirements

4.1GeneralSpecification

4.1.1Reflectorsmustcontinuetofunctionsatisfactorilyinnormaluse.Theoutersurfaceofreflector

mustbesmooth,delicateandeasytoclean,andprotuberancesitmayexhibitmustnotprevent

easycleaningandconvenientmaintenance.Inaddition,theymustnothaveanydefectindesign

ormanufacturethatisdetrimentaltotheirefficientoperation.

4.1.2Thecomponentsofreflectorsmustnotbecapableofbeingeasilydismantled.Theiropticalunits

maynotbereplaceable.

4.1.3ForreflectorofClassIIIAandIVAtheirmeansoffixationshallbesuchthattheyallowastable

anddurableconnectionbetweenthereflectorandthevehicle.

4.2SpecificationofShape,DimensionandStructure

4.2.1Reflectorsaredividedintothreeclassesaccordingtophotometriccharacteristic:ClassIA,Class

IIIA(onlyusedontrailers)andClassIVA.

4.2.2TheshapeoftheilluminatingsurfaceofreflectorinClassIAmustbesimple,otherthantriangle

shape,andnoteasilyconfusedatnormalobservationdistancewithaletter,adigitoratriangle.

Thisnotwithstanding,ashaperesemblingthelettersordigitsofsimpleformO,I,Uor8is

permissible.

4.2.3TheilluminatingsurfaceofreflectorinclassIIIAmusthavetheshapeofanequilateraltriangle.

Iftheword“TOP”isinscribedinonecorner,theapexofthatcornermustbedirectedupwards.

Theilluminatingsurfacemayormaynothaveatitscentreatriangular,non-retroreflectingarea

(withsidesparalleltothoseoftheoutertriangle).Theouteredges(A)ofthetriangular

illuminatingsurfaceshallbebetween150mmand200mmlong.Thewidthofthesides(B),

measuredatrightanglestothelatter,shallbeequaltoatleast20%oftheeffectivelength

betweentheextremitiesoftheilluminatingsurface.Theilluminatingsurfacemayormaynotbe

continuous.Inanycase,theshortestdistancebetweentwoadjacentreflectingopticalunits(C)

mustnotexceed15mm.Thenumberofseparateretroreflectingopticalunitsincludingthecorner

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unitsshallnotbelessthanfouroneachsideofthetriangle.Thedimensionrequirementisshown

inFig.1.

Fig.1

4.2.4TheshapeofthelightemittingsurfaceofreflectorinclassIVAmustbesimple,otherthan

triangle,andnoteasilyconfusedatnormalobservationdistanceswithaletter,adigitoratriangle.

However,ashaperesemblingthelettersanddigitsofsimpleform,O,I,Uand8ispermissible.

2

Thelightemittingsurfaceofthereflectormustbeatleast25cm.

4.2.5Reflectormayconsistofacombinedopticalunitandfilter,whichmustbesodesignedthatthey

cannotbeseperatedundernormalconditionsofuse.Thecolouringoffiltersbymeansofpaintor

varnishisnotpermitted.

4.3Colorimetricspecificationsofreflector

4.3.1Thecolouringofreflectorshallbered,amberorclear(white).

4.3.2WhenthereflectorisilluminatedbystandardilluminantAspecifiedinGB3978,withan

observationangle(α)of20′andailluminationangle(β)ofV=H=0°,(orβofV=±5°,

H=0°forclearreflector),thetrichromaticco-ordinatesofthereflectedluminousfluxmustbe

withinthefollowinglimits:

RED:limittowardsyellow:y≤0.335

limittowardspurple:z≤0.008

AMBER:limittowardsyellow:y≤0.429

limittowardsred:y≥0.398

limittowardswhite:z≤0.007

4.3.3Clearreflcetormustnotproduceaselectivereflection,thatistosay,thetrichromaticco-ordinates

“x”and“y”ofthestandardilluminant“A”usedtoilluminatethereflectormustnotundergoa

changeofmorethan0.01afterreflectionbyreflector.

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