Hom twg ntawm qhov muag tiv thaiv lub rooj teeb zoo dua?
With the development of science and technology, more and more new products appear, which protect people's health more intimately, and the eye protection table lamp is one of them. Today's children have a heavy learning burden. If children complete their homework under artificial light sources for a long time every day, their eyes are prone to symptoms such as soreness, pain, tearing, and more serious vision loss. So compared to ordinary desk lamps, what is the magical place of eye protection desk lamp that can protect eyesight more? What brand of eye protection desk lamp is better? Let's take a look at it together.
Hom tshuaj tiv thaiv qhov muag lub rooj teeb yog dab tsi zoo dua? Ua ntej tshaj plaws, peb yuav tsum nkag siab tias yog vim li cas lub qhov muag tiv thaiv lub teeb yog qhov muag ntau dua - phooj ywg dua li cov teeb rooj zoo tib yam. Thaum lub teeb lub rooj zoo tib yam ua haujlwm ib txwm nyob rau hauv AC tam sim no ntawm 50 Hz, nws yuav flash txog 100 zaug ib ob. Tib neeg lub zeem muag yog qhov tsis hnov tsw rau flickering ntau tshaj 40 zaug ib ob, tab sis nws tsis txhais hais tias nws tsis muaj txiaj ntsig. Cov neeg muaj kev pheej hmoo heev rau myopia tom qab nyob hauv qab lub teeb ntev ntev thiab tsis saib xyuas qhov muag huv. Lub hauv paus ntsiab lus ntawm lub qhov muag tiv thaiv teeb yog ua kom cov hluav taws xob ntau zaus ntawm 50 Hz mus rau 40, 000 mus rau 55, 000 Hz, thiab qhov flickering zaus ntawm cov teeb rooj teeb ib ob yuav raug txo kom tsawg, thiab qee qhov yuav poob mus rau xoom, yog li tiv thaiv qhov muag. Nta.
Ntxiv rau qhov no, cov xim rendering ntawm qhov muag tiv thaiv teeb yog zoo dua li cov teeb pom kev zoo, thiab lub teeb xim yog ze rau ntuj, uas tiv thaiv qhov muag pom ntau dua. High-qhov muag zoo-cov lus tiv thaiv lub teeb feem ntau muaj cov xaim hluav taws xob txaus- ntu ntu thiab txheej txheej rwb thaiv tsev tuab rau cov hlua hluav taws xob thiab cov xaim hluav taws xob sab hauv. Txhawm rau kom ua tiav kev nyab xeeb zoo dua, siab- qhov muag zoo- lub rooj tiv thaiv lub rooj teeb feem ntau muaj qhov tsawg kawg nkaus ntawm qhov zoo thiab qhov tsis zoo ntawm lub rooj tsav xwm Circuit Court ntau dua 2.5MM. Muaj cov cuab yeej tiv thaiv overcurrent, thiab lub teeb hloov ua tau raws li lub teb chaws yuav tsum tau ua. Lub qhov muag tiv thaiv lub rooj teeb yog qhov zoo dua, uas tseem cuam tshuam nrog kev ua tau zoo ntawm cov kev ua yeeb yam kev nyab xeeb no.
Thaum xaiv hom twg ntawm lub qhov muag tiv thaiv lub rooj teeb zoo dua, koj yuav tsum tau ua tib zoo mloog cov ntsiab lus hauv qab no:
1. Check whether the lamp has stroboscopic, and use the camera function of the mobile phone to see the lamp. If the light is stable, there is no stroboscopic, and it has a certain eye protection effect. If the light flickers, it's strobe, and it can't be cheap.
2. The lamp radiation from the stands. Eye protection lamps without radiation will be marked in stores or online stores, and professional electromagnetic radiation testers will be provided to test. Then there's light.
Qhov nrov tshaj plaws tsis ntev los no yog tri- xim teeb, uas emits lub teeb mos thiab ze rau lub teeb ntuj. Nws raug pom zoo kom yuav lub rooj teeb zoo li no nrog peb lub teeb xim thawj. Thaum kawg, nws kuj yog nyob ntawm seb lub teeb puas zoo tag nrho tom qab - kev muag khoom thiab lub warranty ntev npaum li cas.
