PHOTOMETRIC STUDY YUAV UA LI CAS YUAV TSUM TAU KEV PAB CUAM THIAB KEV PAB CUAM?
Kev piav qhia ntawm Kev Tshawb Fawb Lub Teeb Photometric
Photometrics yog qhov tseem ceeb hauv cov chaw loj lossis kev lag luam uas xav tau ntau lub teeb pom kev zoo. Nws tso cai rau cov tsim teeb pom kev zoo thiab cov kws tsim vaj tsev txiav txim siab seb qhov chaw puas muaj lub teeb txaus. Nws tuaj yeem ua pov thawj rau lub teeb ci, siv zog, sib npaug, thiab ntau dua. Nws kuj ua rau nws muaj peev xwm npaj rau cov kev xav tau hluav taws xob thiab nkag siab txog cov nuj nqis.
Tsis yog ib qho kev teeb pom kev zoo nkaus xwb, tab sis lub teeb nws tus kheej yog qhov kev kawm ntawm photometric teeb kev tshawb fawb. Cov ntsiab lus "photometrics," "photometric tsom xam," thiab "photometric kev tshawb fawb" tag nrho yog hais txog tib yam tshwm sim. Nws tsom mus rau txoj kev uas lub teeb yuav siv thaum nws tawm ntawm lub teeb thiab nkag mus rau qhov chaw nws nyob hauv. Nws yog ib qho duab ntawm lub teeb tsim los ntawm lub computer. Rau cov neeg ua haujlwm hauv kev tsim teeb pom kev zoo thiab kev tsim khoom lag luam, qhov kev txawj ntse no tseem ceeb heev.
Cov lus nug tseem ceeb txog cov phiaj xwm photometric
Lub phiaj xwm photometric yog dab tsi?
Kev tshuaj xyuas lub computer ntawm qhov pom thiab qhov pom ntawm lub teeb tom qab kev teeb tsa yog hu ua lub phiaj xwm photometric. Peb tuaj yeem tsim tus qauv ntawm qhov chaw uas lub teeb yuav mus, qhov kaj yuav zoo li cas, thiab yuav ua li cas txawm tias nws yuav siv cov qauv siv computer txiav. Peb cov qauv ua kom paub tseeb tias ua ntej koj yuav thiab teeb tsa lub teeb, koj muaj kev npaj ua haujlwm los ntawm.
Daim phiaj duab photometric nyeem li cas?
Ib txoj kev npaj photometric muaj ntau cov ntsiab lus los nyeem. Qhov nruab nrab footcandles (fc) ntawm qhov chaw suav thiab qhov sib xws yog ob tus lej tseem ceeb tshaj plaws los nyeem. Thawj txoj haujlwm yog kom ua tiav koj lub hom phiaj taw qhia thiab kev sib haum xeeb. Nws yuav tsum raug tshuaj xyuas siv ob qho tib si ntsug thiab kab rov tav fc (flat deg). Tus naj npawb ntawm fixtures thiab lawv qhov chaw yuav tsum tau nyeem raws li cov khoom thib ob. Koj yuav tsum paub tseeb tias qhov ntawd puas yog nyiaj txiag thiab lub cev ua tau. Kev ntsuas kom raug, lub teeb xau mus rau cov khoom nyob sib ze, qhov chaw dej nyab, qib kev saib xyuas lub teeb, thiab qhov xav tau fc yam tsawg kawg nkaus, yog tias tsim nyog, yog xav txog ntxiv. Tham nrog koj tus tsim teeb pom kev zoo kom dhau txhua yam.
Hauv kev npaj photometric, fc txhais li cas?
Ib txoj kev npaj photometric "fc" sawv rau footcandles. Qhov ntsuas ntawm lub teeb muaj nyob rau hauv footcandles.
Vim li cas thiaj tsim nyog kawm photometric?
A: Cov qauv siv rau kev teeb pom kev zoo yog pom hauv kev tshawb fawb photometric. Koj yuav tsum tsis txhob pib ua haujlwm yam tsis muaj lub tswv yim meej hauv qhov chaw, thiab qee qhov kev teeb pom kev zoo tuaj yeem nyuaj. Cov khoom siv tsim nyog yuav raug muab tso rau hauv qhov chaw zoo los ntawm kev siv computer simulations los txiav txim seb lub teeb yuav zoo li cas ua ntej. Vim tam sim no tseem ceeb rau kev tiv thaiv lub teeb los ntshav rau hauv cov chaw nyob sib ze thiab ua raws li kev cai lij choj ntuj tsaus, ntau lub nroog thiab cov kab ke hauv nroog yuav thov qhov no.
Adherence yog dab tsi rau lub ntuj tsaus?
Lub ntuj tsaus yog lub tswv yim ntawm kev ua kom lub teeb nyob rau theem qis, qhov twg nws yuav tsis cuam tshuam rau cov tsiaj qus los yog astronomy, thiab nyob deb ntawm qib siab dua. Feem ntau cov cai tam sim no xav tau tsawg kawg yog qee qhov kev xav txog kev tswj hwm lub ntuj qhov tsaus ntuj, lossis Tsaus Ntuj Ua Raws Cai, feem ntau hu ua lub teeb paug. Raws li lub teeb tsuas yog ci rau qhov xav tau, cov kev cai no tsis tsuas yog muaj txiaj ntsig zoo rau ib puag ncig tab sis kuj txuag hluav taws xob.
Ib qho Synopsis ntawm Photometric Light Design History
Thaum ntxov xyoo 1990, kev tshawb fawb txog teeb pom kev zoo photometric pib ua kom zoo. Photometry yuav tsum tau nyob rau tib lub sijhawm raws li kev nce qib ntawm cov thev naus laus zis sai thiab kev sib tw hnyav hauv cov teeb pom kev zoo. Txoj kev loj hlob ntawm photometric xyaum tsis tshwm sim kom txog rau thaum IES tau tsim thiab cov kev tshawb fawb photometric tau ua tib zoo khaws cia.
cov lus txhais rau qee cov lus tseem ceeb
Lo lus Greek "photo," uas txhais tau hais tias lub teeb, yog qhov uas lo lus "photometry" originates. Kev kawm thiab ntsuas lub teeb yog hu ua photometry. Lub zog radiant ntawm txhua lub wavelength yog hnyav thiab xam nyob rau hauv niaj hnub photometry sciences siv lub luminosity muaj nuj nqi uas simulates tib neeg rhiab heev rau lub teeb. Txoj kev kawm ntawm lub teeb tam sim no hu ua photometrics.
Lumen yog SI unit rau lub luminous flux, uas yuav tsum tau txiav txim siab raws li ib feem ntawm kev tsom xam photometric. Nws yog qhov ntsuas ntawm lub teeb tso zis, kom nws yooj yim. Ua kom siv tau rau "60 watt sib npaug" hauv cov ntsiab lus incandescent yog qhov sib txawv ntawm qhov ua rau cov lumens. Nws muaj 800 lumen teeb. Lumens tam sim no yuav tsum to taub zoo ib yam li mais. Rau kuv lub teeb hauv chav nyob, kuv xav tau kwv yees li 1200 lumens. Txawm hais tias nws yuav siv sij hawm me ntsis, peb yuav ua tiav. Yog tias koj xav tau kev paub txog nws, nws sib npaug ntawm lub teeb tawm ib ob los ntawm ib qho chaw sib xws ntawm ib lub candela hauv ib chav tsev ntawm ib lub steradian.
Hauv photometry, lux yog chav tsev siv los ntsuas qhov hnyav npaum li cas lub teeb pom kev zoo rau tib neeg lub qhov muag. Nws ntsuas lub teeb flux rau ib chav tsev thiab muab tau los ntawm SI raws li ib chav tsev ntawm luminous emittance thiab illuminance. Nyob rau hauv cov nqe lus ntawm lumens ib square meter, nws yog ib tug.
Ib chav tsev uas tsis yog SI ntawm lub teeb siv los yog illuminance yog ko taw-tso tswm ciab. Hauv cov cheeb tsam ntawm lub ntiaj teb uas SAE units tau siv, chav tsev no nquag ua haujlwm thaum tsim cov qauv teeb pom kev zoo. "Lub teeb ci ntsa iab rau ntawm qhov chaw los ntawm qhov tsis yog-candela qhov chaw uas yog ib ko taw deb" yog dab tsi ib ko taw-tswj yog txhais li.
Luminaire - Lo lus "luminaire" yog siv los xaiv cov khoom siv hluav taws xob uas suav nrog lub teeb hluav taws xob uas tawm lub teeb, suav nrog cov teeb pom kev zoo, teeb pom kev zoo, thiab lwm yam khoom siv hluav taws xob.
Lub sij hawm ISOlines yog hais txog ib txoj kab sib npaug ntawm cov khoom sib npaug vim tias lo lus Greek ISO, los ntawm qhov nws muab los, txhais tau tias sib npaug. ISOlines pab tus tsim teeb pom kev zoo hauv kev pom cov teeb pom kev zoo ntawm cov phiaj xwm teeb pom kev zoo los ntawm kev pom photometric. Cov kab no tuaj yeem muab ntxiv rau hauv daim duab kos duab lossis teeb pom kev zoo los pab txheeb xyuas thaj chaw uas muaj teeb pom kev ntau dhau lossis tsawg dhau los ntawm kev sib raug zoo rau ntau yam taw tes-tso tswm ciab qhov tseem ceeb.
Thaum twg yog Photometric Analysis lossis Tsim Tsim?
Nrog rau qhov kev pab cuam photometric thiab qhov chaw teeb tsa uas yuav tsum tau tsim thiab hloov kho, ib qho kev kawm photometric tuaj yeem ua tiav. Koj tuaj yeem pom dab tsi ua haujlwm, dab tsi tsis ua, thiab dab tsi tuaj yeem hloov kho los ntawm qhov no. tso cai rau kev simulation-raws li kev hloov kho los ntawm tus tsim teeb pom kev zoo thiab cov neeg siv khoom ua ntej kev tsim kho tiag tiag pib. Cov xwm txheej hauv qab no hu rau kev tsom xam photometric:
Pab nrog Kev Npaj Teeb Pom Kev
Ua ntej koj yuav cov luminaires, kev kawm photometric yog ib txoj hauv kev zoo los xyuas seb qhov teeb pom kev zoo yuav ua li cas rau qhov chaw. Koj tuaj yeem ua qhov kev npaj zoo tshaj plaws ua ntej thiab ua tiav tom qab ua kev yuav khoom.
Kev them nyiaj ntxiv
Thaum koj tau txais kev teeb tsa tshiab rau chav tsev thiab xav paub seb qhov teeb pom kev zoo kawg yuav zoo li cas, kev kawm photometric yuav muaj txiaj ntsig zoo. Qhov ntawd tshem tawm cov ntsiab lus ntawm kev xav, thiab tus kws tshaj lij tuaj yeem taw qhia koj txoj hauv kev kom raug.
Teeb pom kev zoo tsim ua ntej kev teeb tsa
Ua ntej cov teeb pom kev zoo tau teeb tsa tiag tiag, koj tuaj yeem pom tias koj chav yuav tshwm sim li cas tom qab lawv tau muab tso rau siv kev tshuaj ntsuam photometric. Los ntawm kev ua qhov no, koj tsis txhob poob siab ntawm qhov tsis tau txais qhov koj xav tau thiab yuav tsum tau hloov kho cov khoom tom qab, nrog rau cov nuj nqis ntxiv uas yuav tsum tau hloov kho qhov tseem ceeb tom qab ntawd.
Saib xyuas cov cai hauv zos
Txhawm rau kom ntseeg tau tias cov teeb pom kev zoo ua tiav cov teeb pom kev hauv zos thiab qhov me me kom tsis muaj teeb pom kev rau hauv ib qho chaw lag luam lossis thaj chaw nyob ib puag ncig, kev tshuaj xyuas photometric feem ntau ua. Feem ntau cov kev cai hauv zos txwv tsis pub txawm tias ib ko taw-tswj taws ntawm lub teeb trespassing. Nws ua rau kev txiav txim siab ua qhov kev ntsuam xyuas ua ntej pib tsim kho.
IES Light Files yog dab tsi?
Peb tag nrho cov khoom muag ntawm cov teeb pom kev zoo muaj cov ntaub ntawv IES. Xav txog nws li teeb pom kev zoo CAD cov ntaub ntawv. muaj cov ntaub ntawv hais txog lub kaum sab xis ntawm lub teeb thiab kev siv lub teeb. Lub Illuminating Engineering Society yog lub npe hu ua IES.
Txij li ob peb lub xyoo dhau los, muaj ntau txoj hauv kev los ntsuas lub teeb. Txawm li cas los xij, qhov xav tau ntawm kev khaws cia thiab tsim cov ntaub ntawv photometric tsuas yog tsis ntev los no tau nce ntxiv, ib nrab vim yog cov khoos phis tawj thiab lawv cov kev nkag tau yooj yim. Txij li thaum muaj ntau lab tus LEDs muaj, yuav tsum muaj cov qauv zoo ib yam. Vim li no, IES, lossis Illuminating Engineering Society of America, uas yog ib pab pawg ua haujlwm nrog ob qho tib si khaws cov ntaub ntawv duab thiab tsim cov duab duab duab, tau nce siab. Lawv tau txo cov teeb pom kev zoo tsim thiab cov neeg teeb tsa los ntawm kev tso lawv cov ntaub ntawv IES rau khaws cov ntaub ntawv photometric hauv xyoo 1986.
Lub luminous flux thiab kev siv ntawm lub fixture yog ob yam ntaub ntawv tseem ceeb uas ua rau cov ntaub ntawv IES. Tus tsim teeb pom kev zoo tuaj yeem siv ob qho no los txiav txim siab lub teeb pom kev ntawm lub teeb pom kev zoo thiab nws yuav cuam tshuam li cas rau qhov chaw. Ib lub goniophotometer yog siv los tsim cov ntaub ntawv xav tau los txiav txim qhov teeb pom kev zoo. Daim duab lub ntiaj teb loj heev. Tom qab qhov nruab nrab ntawm lub teeb, lub qhov rooj kaw. Cov dej ntws thiab kev siv zog yog ntsuas los ntawm cov sensors sab hauv.
Qhov chaw uas xav tau kev kawm Photometric
Kev soj ntsuam zoo ntawm cov teeb pom kev zoo thiab kev xaiv teeb pom kev zoo rau ntau qhov chaw sab hauv tsev thiab sab nraum zoov tuaj yeem ua tiav siv cov thev naus laus zis photometric. Cov chaw hauv qab no tuaj yeem ntiav cov kev tshawb fawb photometric kom pom qhov teeb pom kev zoo tshaj plaws:
Txhawm rau tsim cov phiaj xwm teeb pom kev zoo rau cov tsev kho mob uas txaus siab rau txhua qhov kev xav tau ntawm cov teeb pom kev sib txawv, kev tsom xam photometric yog tsim nyog. Piv txwv li, thaj chaw txais tos yuav pom zoo dua cov pawg ntseeg. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tau xav txog cov kev cai hauv zos, uas qhov kev tsom xam photometric yog qhov tseem ceeb heev.
Sab nraum zoov
Puas muaj chaw ua si lossis chaw nres tsheb sab nraud uas koj xav siv hmo ntuj thiab? Kev npaj txoj hauv kev zoo tshaj plaws los teeb tsa koj thaj chaw sab nraum zoov thiab kos xim rau cov yam ntxwv tseem ceeb yuav ua kom yooj yim dua nrog kev pab ntawm kev tsom xam teeb pom kev zoo photometric. Tsis tas li ntawd, koj yuav tsum ua raws li cov cai hauv zos.
Chaw nres tsheb
Cov chaw lag luam, xws li chaw nres tsheb teeb pom kev zoo, xav tau kev kuaj xyuas photometric. Qhov tsawg kawg nkaus, siab kawg, thiab txhais tau tias lub teeb yuav tsum tau ua raws li txoj cai. Tsis tas li ntawd, qhov no saib xyuas cov teeb meem kev nyab xeeb thiab pab tiv thaiv txhua yam kev lav phib xaub los ntawm kev ua txhaum cai hauv zos.
Lub tsev khaws khoom
Kev ntsuam xyuas photometric, tshwj xeeb tshaj yog ua ntej kev tsim kho, tuaj yeem pab koj tswj cov teeb pom kev zoo ib yam thoob plaws hauv koj lub tsev rau khoom. Ua ntej koj yuav ib lub teeb ci LED siab, lub teeb pom kev zoo photometric yuav muab cov kev xaiv teeb pom kev zoo tshaj plaws rau koj, thiab koj tuaj yeem hloov kho raws li koj xav tau.
Khw muag khoom
Hauv cov khw muag khoom xws li cov khw muag khoom noj khoom haus, cov teeb pom kev zoo yuav tsum txaus thiab sib xws kom cov txiv hmab txiv ntoo tau pom zoo thiab cov neeg yuav khoom tuaj yeem pom sai. Nws yuav tsum tau ua ib qho kev tsom xam photometric ntawm lub khw muag khoom. Los ntawm kev siv lub teeb pom kev sib txawv ntawm qhov chaw koj xav pom, koj tuaj yeem muaj kev teeb pom kev tshwj xeeb rau cov khoom tshiab. Txoj hauv kev yooj yim tshaj plaws kom ua tiav nws yog los ntawm kev tsom xam photometric.
Cov chaw ua si / chaw ntau pob
Qhov chaw nquag tshaj plaws uas yuav tsum tau kuaj xyuas photometric yog cov chaw ua kis las thiab chaw ua si teeb. Txoj kev tshawb no muaj kev paub txog kev teeb tsa thiab seb qhov layout puas yuav ua tau raws li qhov yuav tsum tau muaj rau kev ua kis las tshwj xeeb lossis qib kev sib tw. zoo ib yam li cov teeb pom kev zoo siv rau hauv cov tsev hais plaub ntaus pob tesniv, uas yuav tsum zoo ib yam thoob plaws txhua lub tsev hais plaub.
Yuav tsum ua li cas rau kev kawm photometric?
Ib qho CAD sawv cev ntawm cov qauv lossis qhov chaw yuav pab tau thaum xaj kev kawm photometric rau qhov chaw; txwv tsis pub, tag nrho cov ntaub ntawv yuav tsum tau nkag manually. IES muab cov ntaub ntawv hom ntawv, thiab cov ntaub ntawv tsim nyog raug muab rho tawm raws li cov lus qhia.
Cov kws paub txog teeb pom kev zoo tuaj yeem nkag mus rau luminaires, ncej, autos, tsev, ntoo, thiab lwm yam khoom uas yuav cuam tshuam rau thaj chaw zoo li cas rau kev kawm photometric. Tom qab ntawd cov theem teeb raug xam los ntawm qhov kev pab cuam photometric siv cov ntaub ntawv nkag.
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