Thaum tsim kom muaj chaw ua haujlwm nyab xeeb, rau cov neeg siv khoom lossis cov neeg ua haujlwm, ib qho ntawm thawj qhov chaw koj yuav tsum xav txog yog koj qhov chaw nres tsheb teeb pom kev zoo. Thaum cov qhua thiab cov neeg ua haujlwm tuaj thiab mus, lawv muaj kev pheej hmoo ntawm kev phom sij lossis teeb meem kev nyab xeeb los ntawm koj qhov chaw nres tsheb. Feem ntau, nws muaj peev xwm ua rau koj qhib rau kev sib foob rau cov xwm txheej uas yuav tshwm sim hauv thaj chaw uas tsis muaj teeb pom kev zoo rau qhov chaw nres tsheb. Qee zaum, qhov chaw tsaus nti hauv qhov chaw nres tsheb tuaj yeem txhawb nqa kev ua txhaum cai. Yog li ntawd, qhov tseem ceeb ntawm qhov chaw nres tsheb txaus teeb pom kev zoo tsis tuaj yeem overstated. Tab sis thaum koj tau txiav txim siab los hloov koj qhov chaw nres tsheb nrog lub tshuab teeb pom kev zoo LED, koj yuav xav tau ntau lub teeb?
Tsom ntsoov rau Footcandles rau hauv av thiab Uniformity.
Footcandles yog chav ntsuas feem ntau siv los ntawm cov kws paub txog teeb pom kev zoo los xam cov teeb pom kev hauv qhov chaw sab nraum zoov thiab kev lag luam. Ib tug ko taw-tswj tswm ciab, los ntawm txhais tau tias, yog lub illuminance ntawm ib tug square foot saum npoo los ntawm ib tug uniform qhov chaw ntawm lub teeb. Nws yog, yog li ntawd, ib qho kev ntsuas ntawm lub teeb uas ncav cuag thaj tsam ntawm qhov chaw. Los ntawm lub teeb ci candela, lub teeb poob ntawm ib square feet ntawm cheeb tsam sib npaug ib lumen ib square feet.
Ib tug functional determinant rau lub teeb txaus txaus yog lub activeness ntawm cheeb tsam. Qee zaum .5 fc tuaj yeem txaus nyob rau hauv qhov chaw ua haujlwm tsawg, thaum nyob hauv thaj chaw ua haujlwm siab, tsib fc yog tus qauv. Txawm li cas los xij, nws tsis yog qhov tsis yooj yim los nrhiav cov chaw nres tsheb uas muaj qhov qis qis qis qis qis qis dua qhov kev pom zoo ntawm cov kws paub txog teeb pom kev zoo, uas yog qhov tseem ceeb txhais tau tias tsis pom kev thiab rov hais dua. Cov kws paub txog teeb pom kev zoo pom zoo kom pom qhov tsawg kawg nkaus ntawm 1 fc thoob plaws thaj chaw uas xav tau thiab 2 txog 4 fc yog qhov tsim nyog rau kev thov rov hais dua thiab pom kev pom zoo.
Teeb pom kev zoo sib xws (uas txhais tau hais tias tib neeg kev nkag siab ntawm qhov sib npaug ntawm qhov teeb pom kev zoo li cas faib thoob plaws hauv qhov chaw nres tsheb) yog qhia raws li qhov piv ntawm qhov siab tshaj plaws-rau-tsawg illumination theem (qis tshaj lub teeb nyeem ntawv thiab nruab nrab lub teeb theem ntawm ib cheeb tsam tshwj xeeb). Tam sim no, qhov pom zoo piv rau feem ntau cov chaw nres tsheb sab nraum zoov yog 3: 1. Nrog rau cov thev naus laus zis LED, muaj qhov sib xws zoo heev tsim los ntawm qhov zoo ntawm cov teeb no. Feem ntau, thaum lub teeb pom kev tsis sib xws, nws yog qhov tshwm sim ntawm qhov chaw nruab nrab ntawm cov khoom siv. Feem ntau, lwm yam kev kho kom zoo nkauj, xws li ntoo, nkag mus rau hauv txoj kev, uas ua rau nyuaj rau qhov sib xws
