LED lens nyob rau hauv daim ntawv thov flashlight
Nov 06, 2018
Cov duab tseem ceeb tshaj plaws yog cov cuab yeej tshaj plaws nyob rau hauv txhua txhua hnub. Niaj hnub no cov flashlights yog cov teeb pom kev zoo xws li lub teeb ci. Cov ntsiab lus tseem ceeb ntawm LED muag tseem ceeb yog qhov tseem ceeb hauv kev siv roj teeb. Ua tib zoo saib daim ntawv ntawm lub teeb nyem thiab cov yam ntxwv ntawm cov lens LED hauv lub teeb xais.
Muaj ob peb daim ntaub ntawv tseem ceeb rau cov phiaj xwm ceev: tub rog thiab tub ceev xwm: tsim kom muaj kev sib tw thiab ua haujlwm tsis zoo, muaj lub teeb siab, ntev muaj zog, muaj zog tuaj yeem ua rau pom kev luv luv thiab dig muag. Kev coj mus muag: xws li cov kws kho mob, kev tsav dav hlau thiab kev tsav tsheb thiab cov neeg caij tsheb. Siv pej xeem siv: xws li khoom phom sij me me, lub teeb taws tsom iav, lub teeb phom me, thiab lwm yam. Kev siv tshwj xeeb, thiab lwm yam: xws li ntau lub teeb khoos phis siab, muaj qhov muaj zog hluav taws xob thiab lwm yam dej num, lossis siv tau ua rooj teeb lub teeb, los yog lub teeb tsom teeb, lossis teeb nyem nrog lwm yam khoom lossis kev ua haujlwm.
Txij li thaum lub teeb nyem siv rau kev xav tau ntau yam, nws tsim nyog yuav tau kho qhov sib txawv ntawm lub lens. High-power LEDs yog dav siv. Feem ntau ntawm cov teeb tsom teeb tsom lens yog qib qis siab PMMA, uas muaj siab kho qhov muag thiab cov khoom nyuab siab. Vim hais tias ntawm qhov sib txawv ntawm daim phais ntawm flashlights, cov ciaj ciam ntawm lawv cov lens LED kuj txawv heev. Piv txwv li, tub ceev xwm tub ceev xwm yuav tsum xav kom lub lens ntsej muag rau 5 degrees me tshaj qhov me me. Lub me me, qhov ntau concentrated lub teeb yuav tsum. Lub teeb khoos pheeb tawj yuav tsum me dua lub lens, thiab lub diameter ntawm lub lens yog 15 hli. -20 hli; lub kaum sab xis ntawm lub teeb nyem lub kaum sab xis loj, lub teeb tsom teeb tsom tau raug xaiv 10, 15, 30 degree, thiab lwm yam .; qhov khaus teeb ze ntawm lub teeb taws tsuas yog ua tau raws li txoj kev npaj taws teeb, yog li cov ntsiab lus ntawm lub teeb khoos phis qis kuj tau xaiv raws li loj li 45 degree. 60 degrees, thiab lwm yam., Ntxiv rau kev siv lub teeb nyem, nws tuaj yeem raug siv los ua lub rooj teeb lossis thaum muaj xwm ceev thaum muaj hluav taws xob tuag.
Feem ntau ntawm lub teeb tsom teeb tsom iav siv lub lens nkaus xwb, ib lub lens rau ib lub lens, lossis ib lub lens lub taub hau ntau lub lens rau ntau lub LEDs ua qhov tseem ceeb, thiab ua kom lub teeb zoo dua thiab ua tiav cov chaw taws teeb.
