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1、led手电筒基础知识大全（LEDflashlightbasicknowledgeDaquan）LEDflashlightbasicknowledgeDaquanFirstthebasicprincipleofLEDflashlightflashlight:bytheluminousbody,batteries,circuit,shell,reflectiveglass,warehouse,circuitswitchandothercomponents,thebasicprincipleofthecurrentfromthebattery,andthen
2、reachesthecircuitandthroughthecircuittoadjustthevoltageandcurrent,andthenoutputtotheluminousbody,forlighting.Thefirstchapter:lightflashlightwithluminousbody:LEDflashlight,halogenlamp,xenonlampandordinarylightbulbs(withtungstenxenonandonlyxenonHID),lightilluminantisnotcommonlyuse
3、dinthisisnottosay.AsfarasI'mconcerned,thebrightnessunitsofeachLEDaremarkedwithlumens(Lumens),thatis,theluminousfluxnormallyreferredto.1,LED:recentlythemostpopularistheLED,Chinesefullnameis"led",smallpowerLEDaregenerallylongusedin1AAor3AA,Idonotsaythis,poweristoosmall,thehousehol
4、dcanalso,butoutdoormorethanthepoor,highpoweraboveaboutoutdooruse3W,themainrepresentativeiscurrentlythemostpopularAmericanCREELED,longservicelife,accordingtothemanufacturer'sdataupto100thousandhours.Talkabouttheparametersofthemainmodels:(1)P3350mAbrightness73.9-80.6Lumens,700mAbr
5、ightness119.7-130.6Lumens(2)P4350mAbrightness80.6-87.4Lumens,700mAbrightness130.6-141.6Lumens(3)Q2350mAbrightness87.4-93.9Lumens,700mAbrightness141.6-152.1Lumens(4)Q3350mAbrightness93.9-100.4Lumens,700mAbrightness152.1-162.6Lumens(5)Q4350mAbrightness100.4-107Lumens,maximumcurren
6、t1000mA(6)thebrightnessofQ5350mAis107-114Lumens,andthemaximumcurrentis1000mA(upto220-250lm)Althoughalotofmodels,wearemostcommonlyusedP4,Q2andQ5,whichisnowthemostpopularthanQ5,becauseofhighefficiency,brightness,currentcanreach1A,thehighestbrightnesscanreach250lumens.LEDcolortempe
7、rature:eachtypeofLED,butalsoaccordingtothecolortemperaturedifferenceisdividedintodifferentkinds,suchasQ5hasQ5WB,Q5WC,etc.,Q2hasQ2WB,Q2WC,Q25Aandsoon.Thebasiccolortemperaturefrom5000-10000K,accordingtothevalueofWJ,WD,WC,WB,WA,K,popularspeakingisthatthelowerthecolortemperature,the
8、moreyellow,thehigherthewhite.HereIjustgiveyouab
