{"id":3065,"date":"2021-12-23T16:46:47","date_gmt":"2021-12-23T09:46:47","guid":{"rendered":"https:\/\/vilight.vn\/website\/?p=3065"},"modified":"2023-05-23T02:34:41","modified_gmt":"2023-05-23T02:34:41","slug":"lua-chon-den-chieu-sang","status":"publish","type":"post","link":"https:\/\/vilight.vn\/website\/lua-chon-den-chieu-sang\/","title":{"rendered":"L\u1ef1a ch\u1ecdn \u0111\u00e8n chi\u1ebfu s\u00e1ng"},"content":{"rendered":"

Ch\u1ecdn \u0111\u00e8n chi\u1ebfu s\u00e1ng d\u1ef1a tr\u00ean CCT, \u0111\u1ed9 ho\u00e0n m\u00e0u CRI, ch\u1ec9 s\u1ed1 R9 trong CRI, h\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a URG … :<\/h1>\n

 <\/p>\n

1. Nhi\u1ec7t \u0111\u1ed9 m\u00e0u CCT (Color Temperature\/CCT) :<\/h2>\n

ch\u1ec9 s\u1ed1 R9 trong CRI<\/p>\n

– \u0110\u1ec3 ch\u1ecdn \u0111\u00e8n chi\u1ebfu s\u00e1ng ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh, \u0111\u1ea7u ti\u00ean ph\u1ea3i l\u1ef1a ch\u1ecdn nhi\u1ec7t \u0111\u1ed9 m\u00e0u CCT(m\u00e0u s\u1eafc \u00e1nh s\u00e1ng) ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng. \u00c1nh s\u00e1ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 m\u00e0u kh\u00e1c nhau, khi chi\u1ebfu s\u00e1ng s\u1ebd t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng c\u1ea3m nh\u1eadn r\u1ea5t kh\u00e1c bi\u1ec7t.<\/p>\n

– Nhi\u1ec7t \u0111\u1ed9 m\u00e0u \u00e1nh s\u00e1ng th\u01b0\u1eddng t\u1eeb 2.700K \u0111\u1ebfn 6.000K<\/p>\n

H\u00ecnh \u1ea3nh minh h\u1ecda m\u00e0u s\u1eafc \u00e1nh s\u00e1ng chi\u1ebfu l\u00ean c\u00e1c v\u1eadt th\u1ec3 :
\njustify
\nno-repeat;left top;;
\nauto<\/p>\n

\"nhiet-do-mau-anh-sang-color-tempertature\"
\nfull<\/p>\n

M\u00e0u s\u1eafc \u00e1nh s\u00e1ng t\u1ea1o n\u00ean c\u00e1c hi\u1ec7u \u1ee9ng c\u1ea3m nh\u1eadn kh\u00e1c bi\u1ec7t :<\/p>\n

\"color-temp-shades\"
\nlarge
\ncenter<\/p>\n

2. Ch\u1ecdn m\u00e0u s\u1eafc \u00e1nh s\u00e1ng n\u00e0o ?<\/h2>\n

– Nhi\u1ec7t \u0111\u1ed9 m\u00e0u CCT c\u1ee7a \u00e1nh s\u00e1ng khi s\u1eed d\u1ee5ng \u0111\u00fang, s\u1ebd l\u00e0m t\u0103ng s\u1ef1 tinh t\u1ebf c\u1ee7a kh\u00f4ng gian chi\u1ebfu s\u00e1ng.<\/p>\n

– M\u00e0u tr\u1eafng \u1ea5m (2600K \u0111\u1ebfn 3200K) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t trong ph\u00f2ng kh\u00e1ch, ph\u00f2ng \u0103n, ph\u00f2ng ng\u1ee7 v\u00e0 h\u00e0nh lang \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u \u1ee9ng th\u01b0 gi\u00e3n.<\/p>\n

– M\u00e0u tr\u1eafng l\u1ea1nh (3200K \u0111\u1ebfn 4500K) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t \u1edf nh\u1eefng khu v\u1ef1c c\u1ea7n \u00e1nh s\u00e1ng trong l\u00e0nh, t\u1ef1 nhi\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0 trong nh\u00e0 b\u1ebfp, ph\u00f2ng h\u1ecdc, ph\u00f2ng t\u1eafm, v\u0103n ph\u00f2ng (\u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 t\u1ec9nh t\u00e1o), x\u01b0\u1edfng, si\u00eau th\u1ecb v\u00e0 c\u1eeda h\u00e0ng b\u00e1n l\u1ebb.<\/p>\n

– \u00c1nh s\u00e1ng ban ng\u00e0y (t\u1eeb 4500K tr\u1edf l\u00ean) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t \u1edf nh\u1eefng n\u01a1i b\u1ea1n mu\u1ed1n c\u00f3 hi\u1ec7u \u1ee9ng r\u1ea5t s\u00e1ng, \u0111i\u1ec3n h\u00ecnh l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, b\u1ec7nh vi\u1ec7n v\u00e0 \u0111\u00e8n chi\u1ebfu s\u00e1ng an ninh.
\njustify
\nno-repeat;left top;;
\nauto<\/p>\n

\"Color-Temp\"
\nfull
\ncenter
\n\u00c1nh s\u00e1ng m\u00e0u tr\u1eafng \u1ea5m v\u00e0 tr\u1eafng s\u00e1ng chi\u1ebfu l\u00ean c\u00f9ng 1 c\u0103n ph\u00f2ng<\/p>\n

3. \u0110\u1ed9 ho\u00e0n m\u00e0u CRI (CRI – Color Rendering Index) :<\/h2>\n

– Ch\u1ec9 s\u1ed1 ho\u00e0n m\u00e0u CRI l\u00e0 ch\u1ec9 s\u1ed1 ph\u1ea3n \u00e1nh s\u1ef1 trung th\u1ef1c c\u1ee7a \u00e1nh s\u00e1ng, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 th\u00f4ng qua s\u1ef1 trung th\u1ef1c c\u1ee7a m\u00e0u s\u1eafc v\u1eadt th\u1ec3 khi \u0111\u01b0\u1ee3c \u00e1nh s\u00e1ng \u0111\u00f3 chi\u1ebfu v\u00e0o.<\/p>\n

– Ch\u1ec9 s\u1ed1 ho\u00e0n m\u00e0u c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi (\u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean) \u0111\u01b0\u1ee3c l\u1ea5y l\u00e0m chu\u1ea9n, \u0111\u1ec3 so s\u00e1nh v\u00e0 x\u00e1c \u0111\u1ecbnh m\u00e0u c\u1ee7a c\u00e1c ngu\u1ed3n \u00e1nh s\u00e1ng nh\u00e2n t\u1ea1o. Quy \u01b0\u1edbc \u0111\u1ed9 ho\u00e0n m\u00e0u c\u1ee7a \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi l\u00e0 CRI =100. C\u00e1c ngu\u1ed3n s\u00e1ng t\u1ed1t l\u00e0 c\u00e1c ngu\u1ed3n s\u00e1ng c\u00f3 ch\u1ec9 s\u1ed1 CRI t\u1eeb 80 \u2013 95. CRI c\u00e0ng cao th\u00ec m\u1ee9c \u0111\u1ed9 \u0111\u1eb9p, m\u1ee9c \u0111\u1ed9 ch\u00e2n th\u1ef1c, s\u1ed1ng \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 c\u00e0ng cao.<\/p>\n

– \u0110\u1ed1i v\u1edbi chi\u1ebfu s\u00e1ng \u0111\u01b0\u1eddng ph\u1ed1, CRI t\u1ed1i thi\u1ec3u 70, m\u1edbi \u0111\u1ea3m b\u1ea3o cho an to\u00e0n giao th\u00f4ng.<\/p>\n

– \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong nh\u00e0, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i \u0111\u00e8n c\u00f3 CRI t\u1ed1i thi\u1ec3u 80.
\njustify
\nno-repeat;left top;;
\nauto<\/p>\n

\"color-rending-index-la-gi-cri-la-gi-do-hoan-mau-la-gi\"
\nfull
\ncenter
\nS\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a v\u1eadt th\u1ec3 khi \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng b\u1eb1ng \u00e1nh s\u00e1ng c\u00f3 CRI kh\u00e1c nhau<\/p>\n

\"do-hoan-mau-color-rending-index-cri-den-led\"
\nfull
\nCh\u1ec9 s\u1ed1 R9 trong CRI c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 m\u00e0u \u0111\u1ecf
\n\u0110\u1ed9 ho\u00e0n m\u00e0u (CRI) c\u00e0ng l\u1edbn, m\u00e0u s\u1eafc c\u1ee7a v\u1eadt th\u1ec3 c\u00e0ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trung th\u1ef1c<\/p>\n

Ch\u1ec9 s\u1ed1 R9 trong CRI :<\/h2>\n

– R9 l\u00e0 m\u1ed9t trong nh\u1eefng m\u00e0u kh\u00f4ng c\u00f3 trong \u0111o CRI, tuy nhi\u00ean b\u1ea5t c\u1ee9 khi n\u00e0o ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng LED \u0111\u01b0\u1ee3c b\u00e0n t\u1edbi, th\u00ec R9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp. V\u00ec t\u1ef7 l\u1ec7 m\u1ed9t v\u00e0i ph\u1ea7n tr\u0103m c\u1ee7a m\u00e0u \u0111\u1ecf g\u1ea7n nh\u01b0 c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y trong b\u1ea5t k\u00ec m\u00e0u n\u00e0o (m\u00e0u \u0111\u1ecf c\u00f3 th\u1ec3 tr\u1ed9n v\u1edbi c\u00e1c m\u00e0u s\u1eafc kh\u00e1c \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00e0u s\u1eafc kh\u00e1c), do \u0111\u00f3 kh\u1ea3 n\u0103ng sao ch\u00e9p ch\u00ednh x\u00e1c m\u00e0u \u0111\u1ecf l\u00e0 ch\u00eca kh\u00f3a l\u00e0m cho m\u00e0u s\u1eafc c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c h\u01a1n. \u0110\u00e8n c\u00f3 gi\u00e1 tr\u1ecb R9 cao t\u1ea1o ra m\u00e0u s\u1eafc s\u1ed1ng \u0111\u1ed9ng nh\u1ea5t.<\/p>\n

– T\u1ea1i sao gi\u00e1 tr\u1ecb R9 l\u1ea1i quan tr\u1ecdng? M\u00e0u s\u1eafc c\u1ee7a nhi\u1ec1u m\u1eb7t h\u00e0ng, bao g\u1ed3m th\u1ecbt, c\u00e1, rau v\u00e0 hoa qu\u1ea3, c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1ea5t l\u1ee3i b\u1edfi vi\u1ec7c v\u1ebd m\u00e0u \u0111\u1ecf kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n

– Ch\u1ec9 s\u1ed1 R9 trong CRI t\u1eeb 50 tr\u1edf l\u00ean s\u1ebd \u0111\u01b0\u1ee3c coi l\u00e0 “t\u1ed1t” cho c\u00e1c \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng.<\/p>\n

– Trong c\u00e1c khu v\u1ef1c \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng nh\u00e0 h\u00e0ng, khu v\u1ef1c b\u00e1n l\u1ebb, trang tr\u00ed ngh\u1ec7 thu\u1eadt … \u0111\u00f2i h\u1ecfi \u0111\u00e8n ph\u1ea3i c\u00f3 ch\u1ec9 s\u1ed1 R9 cao. Nhi\u1ec1u m\u1eb7t h\u00e0ng th\u1ef1c ph\u1ea9m nh\u01b0 th\u1ecbt, c\u00e1, tr\u00e1i c\u00e2y, v\u00e0 rau qu\u1ea3 mang nhi\u1ec1u m\u00e0u \u0111\u1ecf n\u00ean n\u1ebfu b\u00f3ng \u0111\u00e8n hi\u1ec3n th\u1ecb nh\u1eefng m\u1eb7t h\u00e0ng \u0111\u00f3 kh\u00f4ng c\u00f3 m\u1ee9c R9 th\u1ea5p, th\u1ee9c \u0103n c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn m\u00e0u, d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00f4ng h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng.
\njustify
\nno-repeat;left top;;
\nauto<\/p>\n

4. H\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a URG (\u0111\u1ed9 ch\u00f3i l\u00f3a m\u1ea5t ti\u1ec7n nghi):<\/h2>\n

– UGR \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 h\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a \u0111\u1ed3ng nh\u1ea5t (\u0111\u1ed9 ch\u00f3i l\u00f3a m\u1ea5t ti\u1ec7n nghi) m\u00e0 m\u1eaft con ng\u01b0\u1eddi c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c. V\u00ed d\u1ee5 khi ta nh\u00ecn v\u00e0o m\u1eb7t \u0111\u01b0\u1eddng th\u00ec kh\u00f4ng c\u00f3 c\u1ea3m nh\u1eadn ch\u00f3i l\u00f3a. Tr\u01b0\u1eddng h\u1ee3p v\u1edbi t\u1edd gi\u1ea5y tr\u1eafng m\u00e0 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o t\u0103ng d\u1ea7n, \u0111\u1ebfn m\u1ed9t c\u01b0\u1eddng \u0111\u1ed9 n\u00e0o \u0111\u00f3 th\u00ec s\u1ebd c\u1ea3m nh\u1eadn ch\u00f3i l\u00f3a (Khi \u0111\u00f3 UGR l\u00e0 13). T\u1eeb ng\u01b0\u1ee1ng c\u1ea3m nh\u1eadn ch\u00f3i \u0111\u00f3 khi t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o th\u00ec m\u1eaft c\u00e0ng c\u1ea3m nh\u1eadn kh\u00f3 ch\u1ecbu v\u1ec1 \u0111\u1ed9 ch\u00f3i, khi \u0111\u00f3 ta g\u1ecdi l\u00e0 \u0111\u1ed9 ch\u00f3i l\u00f3a m\u1ea5t ti\u1ec7n nghi.<\/p>\n

– Thang gi\u00e1 tr\u1ecb c\u1ee7a UGR: 13 – 16 – 19 – 22 – 25 – 28. Con s\u1ed1 13 l\u00e0 con s\u1ed1 m\u1eaft ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c ch\u00f3i l\u00f3a t\u1eeb v\u1eadt chi\u1ebfu s\u00e1ng hay v\u1eadt chi\u1ebfu s\u00e1ng th\u1ee9 c\u1ea5p. UGR c\u00e0ng t\u0103ng th\u00ec \u0111\u1ed9 ch\u00f3i c\u00e0ng t\u0103ng.<\/p>\n

H\u1ec7 s\u1ed1 ch\u00f3a l\u00f3a URG Theo TCVN7114-2008 :
\njustify
\nno-repeat;left top;;
\nauto<\/p>\n

\"he-so-choi-loa-cho-tung-khu-vuc-chieu-sang\"
\nfull
\ncenter
\nB\u1ea3ng th\u00f4ng s\u1ed1 h\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a URG quy \u0111\u1ecbnh cho t\u1eebng khu v\u1ef1c
\nH\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a URG quy \u0111\u1ecbnh cho t\u1eebng khu v\u1ef1c chi\u1ebfu s\u00e1ng<\/p>\n

\"den-downlight-co-he-so-choi-loa-thap\"
\nfull
\ncenter
\nB\u1ed9 \u0111\u00e8n v\u1edbi h\u1ec7 s\u1ed1 ch\u00f3i l\u00f3a URG = 9
\nMinh h\u1ecda \u0111\u00e8n LED Downlight c\u00f3 h\u1ec7 s\u1ed1 ch\u00f3a l\u00f3a th\u1ea5p<\/p>\n

C\u00e1c k\u00eanh tham kh\u1ea3o m\u1edf r\u1ed9ng :<\/h2>\n

– K\u00eanh Youtube Vilight<\/a><\/p>\n

– K\u00eanh Facebook Vilight<\/a>
\nno-repeat;left top;;
\nauto<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng, s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ed1i v\u1edbi t\u1eebng c\u00f4ng n\u0103ng s\u1eed d\u1ee5ng, c\u00e1c kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp chi ti\u1ebft trong b\u00e0i vi\u1ebft n\u00e0y.<\/p>\n","protected":false},"author":1,"featured_media":3067,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[310],"tags":[],"class_list":["post-3065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-huong-dan"],"yoast_head":"\nNhi\u1ec7t \u0111\u1ed9 m\u00e0u CCT, \u0111\u1ed9 ho\u00e0n m\u00e0u CRI, ch\u1ec9 s\u1ed1 R9 CRI, h\u1ec7 s\u1ed1 ch\u00f3i 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