LED Stadium TeebBrightness yuav tsum muaj rau kev ua si
Teeb pom kev zoorau cov chaw ua si yuav tsum ua tau raws li cov qauv kev ci ntsa iab. Cov qauv no ua kom pom kev pom zoo rau cov neeg koom, cov neeg ua haujlwm, thiab cov neeg saib. Lawv kuj txhais cov kev cai rau kev tshaj tawm hauv TV zoo. Cov ntaub ntawv no qhia txog qhov tseem ceeb ntawm qhov ci ntsa iab thiab cov qauv tsim rau kev ua kis las teeb pom kev zoo.
Nkag siab txog Illuminance Classifications thiab Standards
Lub Illuminating Engineering Society (IES) muab lub hauv paus ntsiab lus rau kev ua kis las teeb pom kev zoo. Kev faib tawm IES yog nyob ntawm theem ntawm kev ua si thiab cov neeg saib pom. Chav kawm I chaw muaj kev tshaj lij lossis cov koom txoos loj hauv tsev kawm qib siab nrog ntau dua 5,000 tus neeg saib. Chav Kawm II siv rau kev sib tw hauv tsev kawm qib siab lossis cov tsev kawm theem siab uas muaj txog li 5,000 tus neeg saib. Chav Kawm III suav nrog cov kev sib tw ua si nrog cov chaw zaum tsawg. Chav kawm IV suav nrog kev cob qhia thiab thaj chaw hauv zej zog uas tsis muaj cov neeg saib mus tas li.
Txhua qhov kev faib tawm tau txhais lub hom phiaj teeb pom kev ntsuas hauv footcandles (fc) lossis lux. Kab rov tav illuminance hais txog lub teeb ntog ntawm qhov chaw ua si. Vertical illuminance yog qhov tseem ceeb rau kev nkag siab tob ntawm cov neeg ua si thiab cov koob yees duab hauv TV. Uniformity ratios, xws li U1 (yam tsawg kawg rau nruab nrab) thiab U2 (yam tsawg kawg nkaus mus rau siab tshaj), dictate qhov sib xws ntawm lub teeb kis. Kev tsis zoo sib xws ua rau cov duab ntxoov ntxoo thiab pom kev phom sij.
Illuminance Targets los ntawm Kev Ua Si thiab Kev Sib Tw Qib
Qhov yuav tsum tau muaj qhov ci ntsa iab sib txawv ntawm cov kis las thiab qib kev sib tw. Cov lus hauv qab no nthuav tawm cov txiaj ntsig tseem ceeb rau kev ua kis las loj raws li IES cov lus qhia.
Table 1: Cov Txheej Txheem Teebmeem Teebmeem rau Kev Xaiv Cov Kev Ua Si
|
Kev ua si nawv |
Qib sib tw |
IES Class |
Nruab nrab Kab rov tav Illuminance (fc) |
Uniformity (U2) |
Vertical Illuminance (fc) rau TV |
|---|---|---|---|---|---|
|
Football (Asmeskas) |
Kev tshaj lij / TV tshaj tawm |
I |
100 fc |
0.7 |
140 fc (lub koob yees duab loj) |
|
Football (Asmeskas) |
Collegiate / High School Varsity |
II |
50fc ua |
0.6 |
Tsis xav tau |
|
Ncaws pob |
Kev tshaj lij / TV tshaj tawm |
I |
75fc ua |
0.7 |
100 fc (lub koob yees duab loj) |
|
Ncaws pob |
Club / Amateur League |
III |
30fc ua |
0.5 |
Tsis xav tau |
|
Baseball (Infield/Outfield) |
Kev tshaj lij / TV tshaj tawm |
I |
100/70 fc |
0.7 |
140 fc (lub koob yees duab loj) |
|
Baseball |
Tsev kawm ntawv theem siab |
II |
50/30 fc ib |
0.6 |
Tsis xav tau |
|
Ntaus pob tesniv |
Kev Sib Tw Sib Tw |
I |
75fc ua |
0.7 |
100 fc |
|
Ntaus pob tesniv |
Chaw Ua Si Ua Si |
IV |
20 fc ua |
0.4 |
Tsis xav tau |
Cov chaw tuav ntau yam kis las yuav tsum tsim kom muaj kev nruj tshaj plaws. Ib qho chaw siv ntau hom siv rau kev ncaws pob hmo ntuj thiab ncaws pob yuav tsum tau teeb pom kev zoo raws li tus qauv ncaws pob siab dua.
Kev Kawm Txuj Ci: Ib Chav Kawm II Collegiate Soccer Field
Ib tug photometric tsom xam validates ua raws li ua ntej installation. Cov ntaub ntawv no tshuaj xyuas kev tswj hwm kev sib tw ncaws pob (360 ft x 225 ft) tsim los rau kev sib tw IES Class II.
Project Parameters:
Kev ua si nawv:Ncaws pob
Qib:Collegiate (NCA)
IES Class:II
Target Maintained Illuminance:50 fc nruab nrab kab rov tav
Lub Hom Phiaj Uniformity (U2):> 0.6
Teb Dimensions:360 ft x 225 ft
Lub Teeb Pom Kev Pom Zoo:
Hom Fixture:1000W LED asymmetric teeb pom kev zoo
Fixture Quantity:48 units
Mounting:Rau (6) ncej, siab 80 feet
Beam Distribution:Hom V (rau ncej-mounted perimeter teeb)
Tswj System:Dimmable tsav tsheb (0-10V) rau ntau qhov chaw ua haujlwm
Cov txiaj ntsig ntawm Photometric Summary:
Nruab nrab Kab rov tav Illuminance:52,4f ib
Yam tsawg kawg Kab rov tav Illuminance:36,7fc ua
Uniformity (U2): 0.70
Qhov siab tshaj plaws - rau - Tsawg kawg qhov sib piv: 1.43:1
Cov txiaj ntsig tau lees paub tias tus qauv tsim tshaj li IES Class II lub hom phiaj. Lub kaw lus muab ntsug illuminance txaus rau kev tshaj tawm hauv cheeb tsam. Lub peev xwm dimming tso cai txo qis rau 30 fc rau kev xyaum, txuag lub zog.
Tej yam tseem ceeb uas cuam tshuam rau Brightness Achievement
Ntau yam khoom siv kho vajtse thiab tsim qauv txiav txim siab seb lub kaw lus puas ua tau raws li cov qauv ci ntsa iab.
Fixture Luminous Efficacy thiab Distribution:Lub teeb pom kev zoo yog ntsuas hauv lumens. Kev ua tau zoo (lumens per watt) txiav txim siab lub zog hluav taws xob xav tau. Kev faib khoom kho qhov muag (NEMA beam type) coj lumens mus rau qhov chaw. Asymmetric optics (hom III, IV, thiab V) yog tus qauv rau perimeter ncej tsim kom ua kom muaj kev tiv thaiv ntau tshaj plaws thiab txo qhov pom kev tawg.
Ncej Qhov Chaw thiab Mounting Qhov siab:Ncej qhov chaw thiab qhov siab yog muab los ntawm daim teb geometry. Qhov siab mounting siab (70-100 ft) txhim kho kev sib haum xeeb rau cov teb loj tab sis xav tau kev sib tw nrog kev siv ntau dua. Qhov kev teeb tsa yuav tsum tsis txhob muaj qhov muag tsis pom kev rau cov players thiab cov neeg saib. Cov qauv tsim qauv siv plaub lossis rau tus ncej tso rau ntawm qhov chaw sab nraud.
Lub Teeb Loss Factors thiab Kev Npaj Kho Kom Zoo:Muab xam lub hom phiaj illuminance yog "tso tseg" qhov tseem ceeb, accounting rau yav tom ntej lub teeb depreciation. Cov neeg tsim qauv siv cov yam ntxwv rau luminaire av depreciation (LDD), teeb lumen depreciation (LLD), thiab ambient kub. Ib qho LLD yam raws li cov chaw tsim khoom L70 / L90 qhov ntsuas yog qhov tseem ceeb. Lub kaw lus tsim los tsis muaj kev saib xyuas zoo yuav ua tsis tau raws li cov qauv hauv nws lub neej ua haujlwm.
Kev Tshawb Fawb Txog Kev Ua Raws Cai thiab Kev Pabcuam Kev Tsim Qauv
Cov neeg saib xyuas chaw yuav tsum txheeb xyuas kev ua raws li cov qauv tsim nyog. IES RP-6 series yog cov lus qhia tseem ceeb hauv North America. Lwm cov qauv suav nrog UEFA cov lus qhia rau kev ncaws pob thiab NCAA phau ntawv qhia rau kev sib tw ncaws pob.
Kev koom nrog tus tsim teeb pom kev zoo yog tsim nyog rau txhua qhov project Class I, II, lossis III. Tus tsim qauv yuav tsim ib qho kev kawm photometric siv software uas tau lees paub (xws li AGi32, Dialux). Qhov kev tshawb fawb no yog qhov tseeb ua pov thawj. Nws muab cov phiaj xwm teeb pom kev zoo, ntsuas kev sib luag, thiab kev tsom xam glare. Nws tseem ua haujlwm raws li daim ntawv qhia tshwj xeeb rau kev sib tw sib tw.
Glossary of Technical Terms
Footcandle (fc):Ib chav tsev ntawm illuminance ntawm ib qho chaw. Ib tug footcandle yog ib lumen ib square feet.
Lumen:Ib chav ntsuas ntawm qhov ntsuas tag nrho ntawm qhov pom lub teeb tawm los ntawm qhov chaw.
Uniformity (U1 & U2):Qhov sib piv piav txog qhov sib npaug ntawm lub teeb ntawm qhov chaw. U1=E_min / E_avg. U2=E_min / E_max.
Vertical Illuminance:Illuminance ntsuas ntawm lub dav hlau ntsug, tseem ceeb heev rau kev ua haujlwm lub koob yees duab thiab cov neeg ua si lub ntsej muag paub.
Kev tshawb fawb Photometric:Lub koos pij tawj- tsim teeb pom kev zoo simulation kwv yees kev ntsuas kev ua tau zoo rau kev tsim qauv.
NEMA Beam Hom:Ib qho kev faib ua ke rau lub teeb faib qauv ntawm lub teeb dej nyab.
Cov ntaub ntawv thiab cov qauv kev lag luam
Illuminating Engineering Society. * ANSI/IES RP-6-20: Kev Ua Si thiab Chaw Ua Si Teeb Pom Kev *. New York: IES, 2020.
National Collegiate Athletic Association.NCAA Sports Lighting Guidelines. Indianapolis: NCAAB, 2019.
Fédération Internationale de Football Association.FIFA Football Stadiums: Cov Lus Pom Zoo thiab Cov Lus Qhia. Zurich: FIFA, 2021.
International Commission on Illumination (CIE).CIE 150: 2017 Phau ntawv qhia txog qhov txwv ntawm qhov cuam tshuam ntawm Obtrusive Teeb los ntawm Sab Nraud Teeb Pom Kev Teeb. Vienna: CIE, 2017.
