{"id":2232,"date":"2025-03-04T21:06:45","date_gmt":"2025-03-04T13:06:45","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2232"},"modified":"2025-03-06T22:37:20","modified_gmt":"2025-03-06T14:37:20","slug":"thiet-ke-va-san-xuat-den-va-den-long-chong-chay-no-led","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/vi\/anh-sang\/thiet-ke-va-san-xuat-den-va-den-long-chong-chay-no-led\/","title":{"rendered":"Thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111\u00e8n l\u1ed3ng."},"content":{"rendered":"

Thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111\u00e8n l\u1ed3ng.<\/strong><\/strong><\/h1>\n\n\n\n

Thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y n\u1ed5 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c lo\u1ea1i I, II v\u00e0 III. \u0110\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 lo\u1ea1i II v\u00e0 III kh\u00f4ng d\u00f9ng trong khai th\u00e1c m\u1ecf ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 kh\u00ed ho\u1eb7c b\u1ee5i d\u1ec5 ch\u00e1y n\u1ed5, nh\u01b0 d\u1ea7u kh\u00ed, h\u00f3a d\u1ea7u, h\u00f3a ch\u1ea5t, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh kh\u00e1c. Theo ph\u00e2n t\u00edch v\u1ec1 thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5, c\u00e1c lo\u1ea1i ch\u00ednh bao g\u1ed3m ch\u1ed1ng ch\u00e1y n\u1ed5, t\u0103ng c\u01b0\u1eddng an to\u00e0n v\u00e0 lo\u1ea1i composite. Hi\u1ec7n nay, lo\u1ea1i ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 lo\u1ea1i \u0111\u00e8n chi\u1ebfu s\u00e1ng ch\u1ee7 \u0111\u1ea1o. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch c\u00e1c quan \u0111i\u1ec3m v\u00e0 k\u1ebft lu\u1eadn v\u1ec1 quy tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

I. \u0110\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u00e8n LED<\/strong><\/strong><\/h2>\n\n\n\n

   Tr\u01b0\u1edbc h\u1ebft l\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. \u0110\u00e8n LED v\u00e0 \u0111\u00e8n l\u1ed3ng LED ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p th\u1ea5p d\u01b0\u1edbi ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c. Trong c\u00f9ng m\u1ed9t hi\u1ec7u \u1ee9ng chi\u1ebfu s\u00e1ng, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng ch\u1ec9 b\u1eb1ng 1\/10 so v\u1edbi \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 1\/2 so v\u1edbi \u0111\u00e8n hu\u1ef3nh quang. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, n\u01a1i th\u01b0\u1eddng y\u00eau c\u1ea7u chi\u1ebfu s\u00e1ng li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i, hi\u1ec7u qu\u1ea3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng c\u00e0ng tr\u1edf n\u00ean \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

Th\u1ee9 hai, v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, \u0111\u00e8n LED l\u00e0 m\u1ed9t ngu\u1ed3n s\u00e1ng b\u1ec1n b\u1ec9, ch\u1ecbu va \u0111\u1eadp, kh\u00f4ng v\u1ee1, c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m. Ngu\u1ed3n s\u00e1ng LED c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p linh ho\u1ea1t, l\u00e0 s\u1ea3n ph\u1ea9m chi\u1ebfu s\u00e1ng compact d\u1ec5 ph\u00e1t tri\u1ec3n, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec. Ngu\u1ed3n s\u00e1ng LED hi\u1ec7n nay c\u00f3 gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi c\u00e1c ngu\u1ed3n s\u00e1ng truy\u1ec1n th\u1ed1ng, nh\u01b0ng t\u1eeb g\u00f3c \u0111\u1ed9 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, v\u1edbi th\u1eddi gian ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong m\u1ed9t n\u0103m c\u00f3 th\u1ec3 thu h\u1ed3i chi ph\u00ed \u0111\u1ea7u t\u01b0 cho ngu\u1ed3n s\u00e1ng, c\u00f3 th\u1ec3 t\u1ea1o ra gi\u00e1 tr\u1ecb ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng g\u1ea5p nhi\u1ec1u l\u1ea7n l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n

M\u1ed9t l\u1ea7n n\u1eefa, hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng cao. Sau h\u00e0ng th\u1eadp k\u1ef7 ph\u00e1t tri\u1ec3n, hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng c\u1ee7a LED \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. Hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng c\u1ee7a c\u00e1c ngu\u1ed3n s\u00e1ng truy\u1ec1n th\u1ed1ng l\u00e0 12-24 lm\/W, \u0111\u00e8n hu\u1ef3nh quang 50-70 lm\/W, \u0111\u00e8n natri 90-140 lm\/W, ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 b\u1ecb m\u1ea5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. Hi\u1ec7u su\u1ea5t ph\u00e1t s\u00e1ng c\u1ee7a LED \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n l\u00ean 80-200 lm\/W, c\u00f3 t\u00ednh \u0111\u01a1n s\u1eafc quang h\u1ecdc t\u1ed1t, ph\u1ed5 h\u1eb9p, c\u00f3 th\u1ec3 ph\u00e1t ra \u00e1nh s\u00e1ng m\u00e0u tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n l\u1ecdc.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, tu\u1ed5i th\u1ecd cao. Vi\u1ec7c s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111i\u1ec7n t\u1eed, ph\u00e1t quang tr\u01b0\u1eddng \u00e1nh s\u00e1ng, ph\u00e1t quang s\u1ee3i \u0111\u1ed1t d\u1ec5 b\u1ecb ch\u00e1y, bay h\u01a1i nhi\u1ec7t, suy gi\u1ea3m \u00e1nh s\u00e1ng, v.v. \u0110\u00e8n LED c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, \u0111\u01b0\u1ee3c b\u1ecdc b\u1eb1ng nh\u1ef1a epoxy, c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp v\u00e0 rung \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u01b0\u1eddng \u0111\u1ed9 cao, v\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng. Tu\u1ed5i th\u1ecd trung b\u00ecnh l\u00ean \u0111\u1ebfn 100.000 gi\u1edd. Tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n LED v\u00e0 \u0111\u00e8n l\u1ed3ng c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 5 \u0111\u1ebfn 10 n\u0103m, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed b\u1ea3o tr\u00ec \u0111\u00e8n v\u00e0 \u0111\u00e8n l\u1ed3ng, \u0111\u1ed3ng th\u1eddi tr\u00e1nh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 ph\u1ea3i thay th\u1ebf \u0111\u00e8n v\u00e0 \u0111\u00e8n l\u1ed3ng th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n

II. Nguy\u00ean l\u00fd ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ee7a \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/strong><\/h2>\n\n\n\n

   \u0110\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 ngu\u1ed3n s\u00e1ng, ngu\u1ed3n \u0111i\u1ec7n v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y n\u1ed5 kh\u00ed \u0111\u1ec1u \u0111\u01b0\u1ee3c bao b\u1ecdc trong v\u1ecf b\u1ecdc. Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra ch\u00e1y n\u1ed5, v\u1ecf b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng, \u0111\u1ed3ng th\u1eddi ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a kh\u00ed n\u1ed5 b\u00ean ngo\u00e0i do c\u00e1c lo\u1ea1i kh\u00ed kh\u00e1c nhau g\u00e2y ra, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

III<\/strong>. Thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 \u0111\u00e8n l\u1ed3ng ch\u1ed1ng ch\u00e1y n\u1ed5.<\/strong><\/strong><\/h2>\n\n\n\n

3.1 C\u1ea5u tr\u00fac s\u1ea3n ph\u1ea9m<\/strong><\/strong><\/h3>\n\n\n\n

    V\u1ecf \u0111\u00e8n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a v\u1ee5 n\u1ed5 b\u00ean trong. D\u1ef1a tr\u00ean s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed, v\u1ecf \u0111\u00e8n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00fac t\u1eeb h\u1ee3p kim kim lo\u1ea1i nh\u1eb9 (ZL102). C\u00e1c m\u1ed1i n\u1ed1i ch\u1ed1ng n\u1ed5 th\u01b0\u1eddng c\u00f3 d\u1ea1ng ren, ph\u1eb3ng, tr\u1ee5 v\u00e0 c\u00e1c d\u1ea1ng kh\u00e1c; \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ch\u1ed1ng n\u1ed5 kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 6,3 \u03bcm, v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1c m\u1ed1i n\u1ed1i ch\u1ed1ng n\u1ed5, k\u00edch th\u01b0\u1edbc th\u1ec3 t\u00edch b\u00ean trong c\u1ee7a khoang ch\u1ed1ng n\u1ed5 v\u00e0 khe h\u1edf ch\u1ed1ng n\u1ed5 c\u00f3 m\u1ed1i quan h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi nhau.<\/p>\n\n\n\n

\u0110\u00e8n ch\u1ed1ng ch\u00e1y n\u1ed5 th\u01b0\u1eddng bao g\u1ed3m khoang ngu\u1ed3n s\u00e1ng, khoang ngu\u1ed3n \u0111i\u1ec7n v\u00e0 khoang d\u00e2y d\u1eabn.<\/p>\n\n\n\n

    V\u1ecf \u0111\u00e8n bao g\u1ed3m v\u1ecf ngo\u00e0i, ngu\u1ed3n s\u00e1ng, n\u1eafp trong su\u1ed1t, g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c. V\u1ecf \u0111\u00e8n l\u00e0 ph\u1ea7n ph\u00e1t s\u00e1ng c\u1ee7a to\u00e0n b\u1ed9 \u0111\u00e8n, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 b\u1ed9 ph\u1eadn ch\u00ednh sinh nhi\u1ec7t, do \u0111\u00f3 v\u1ecf \u0111\u00e8n ngo\u00e0i vi\u1ec7c c\u00f3 \u0111\u1ed9 b\u1ec1n nh\u1ea5t \u0111\u1ecbnh, c\u00f2n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t t\u1ed1t, \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u00e8n v\u00e0 \u0111\u00e8n l\u1ed3ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a nh\u00f3m nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng. N\u1eafp trong su\u1ed1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng k\u00ednh c\u01b0\u1eddng l\u1ef1c. C\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 d\u00e1n n\u1eafp trong su\u1ed1t b\u1eb1ng nh\u1ef1a epoxy v\u00e0o v\u1ecf khoang ch\u1ee9a ngu\u1ed3n s\u00e1ng v\u00e0 s\u1eed d\u1ee5ng v\u00f2ng \u00e1p l\u1ef1c \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh, nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

Khoang ngu\u1ed3n \u0111i\u1ec7n bao g\u1ed3m v\u1ecf, ngu\u1ed3n \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c \u0111\u1ea7u n\u1ed1i d\u00e2y.<\/p>\n\n\n\n

Khoang d\u00e2y \u0111i\u1ec7n l\u00e0 khoang ch\u1ee9a c\u1ee7a \u0111\u00e8n v\u00e0 \u0111\u00e8n l\u1ed3ng, \u0111\u1ed3ng th\u1eddi l\u00e0 n\u01a1i t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i. Tr\u1ecdng t\u00e2m c\u1ee7a n\u00f3 l\u00e0 thi\u1ebft k\u1ebf v\u00e0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u01b0a d\u00e2y v\u00e0o. Thi\u1ebft b\u1ecb \u0111\u01b0a d\u00e2y v\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00e8n v\u00e0 \u0111\u00e8n l\u1ed3ng ch\u1ed1ng ch\u00e1y n\u1ed5, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0a d\u00e2y v\u00e0o b\u1eb1ng v\u00f2ng \u0111\u1ec7m k\u00edn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0a d\u00e2y v\u00e0o b\u1eb1ng \u0111\u1ec7m k\u00edn. Vi\u1ec7c l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb d\u1eabn d\u00e2y theo h\u00ecnh th\u1ee9c \u0111\u00f3ng k\u00edn c\u1ea7n ph\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi k\u00edch th\u01b0\u1edbc v\u00f2ng \u0111\u1ec7m c\u1ee7a d\u00e2y c\u00e1p, v\u00e0 ph\u1ea3i si\u1ebft ch\u1eb7t v\u00edt n\u00e9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n\n\n\n

3.2 Thi\u1ebft k\u1ebf ngu\u1ed3n \u0111i\u1ec7n<\/strong><\/strong><\/h3>\n\n\n\n

   Theo ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n cho \u0111\u00e8n LED, th\u01b0\u1eddng c\u00f3 hai gi\u1ea3i ph\u00e1p. Th\u1ee9 nh\u1ea5t l\u00e0 ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n \u0111a nh\u00f3m, cung c\u1ea5p nhi\u1ec1u ngu\u1ed3n d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, m\u1ed7i ngu\u1ed3n d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ri\u00eang cho t\u1eebng \u0111\u00e8n LED. C\u00e1c k\u1ebft h\u1ee3p n\u00e0y r\u1ea5t linh ho\u1ea1t. S\u1ef1 c\u1ed1 c\u1ee7a m\u1ed9t \u0111\u00e8n LED s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c \u0111\u00e8n LED kh\u00e1c. Th\u1ee9 hai l\u00e0 ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c t\u1ea5t c\u1ea3 trong m\u1ed9t, thi\u1ebfu t\u00ednh linh ho\u1ea1t, ngh\u0129a l\u00e0 s\u1ef1 c\u1ed1 c\u1ee7a m\u1ed9t \u0111\u00e8n LED s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u00e8n LED kh\u00e1c. T\u1eeb g\u00f3c \u0111\u1ed9 h\u1ec7 th\u1ed1ng, d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111\u1ed9 tin c\u1eady v\u00e0 ph\u00e2n t\u00edch, vi\u1ec7c k\u1ebft n\u1ed1i series-parallel \u0111\u01a1n gi\u1ea3n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb. Xem x\u00e9t t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan, t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng c\u1ee7a to\u00e0n b\u1ed9 ngu\u1ed3n s\u00e1ng l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. Do \u0111\u00f3, c\u00e1c gi\u1ea3i ph\u00e1p ngu\u1ed3n \u0111i\u1ec7n DC t\u1eadp trung d\u1ef1a tr\u00ean nhi\u1ec1u ch\u1ebf \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ngu\u1ed3n \u0111i\u1ec7n DC t\u1eadp trung \u0111i\u1ec7n \u00e1p cao \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m r\u1ed9ng r\u00e3i. Ngu\u1ed3n \u0111i\u1ec7n DC t\u1eadp trung c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 tin c\u1eady h\u1ec7 th\u1ed1ng cao, hi\u1ec7u su\u1ea5t cao v\u00e0 chi ph\u00ed th\u1ea5p. Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, m\u00f4-\u0111un v\u00e0 th\u00f4ng minh gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u00ednh d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

3.3 Thi\u1ebft k\u1ebf ngu\u1ed3n s\u00e1ng<\/strong><\/strong><\/h3>\n\n\n\n

   Theo ph\u00e2n lo\u1ea1i v\u1eadt li\u1ec7u ph\u00e1t s\u00e1ng, ngu\u1ed3n s\u00e1ng \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: ngu\u1ed3n s\u00e1ng b\u00e1n d\u1eabn v\u00e0 ngu\u1ed3n s\u00e1ng ph\u00f3ng \u0111i\u1ec7n kh\u00ed. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i-\u1ed1t ph\u00e1t s\u00e1ng b\u00e1n d\u1eabn (LED) di\u1ec5n ra r\u1ea5t nhanh. Ngu\u1ed3n s\u00e1ng LED \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, khai th\u00e1c m\u1ecf, tr\u01b0\u1eddng h\u1ecdc, b\u1ec7nh vi\u1ec7n, \u0111\u01b0\u1eddng ph\u1ed1 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng trong nh\u00e0 v\u00e0 ngo\u00e0i tr\u1eddi kh\u00e1c. Trong ph\u00e2n t\u00edch nguy\u00ean l\u00fd ph\u00e1t s\u00e1ng, ngu\u1ed3n s\u00e1ng ph\u00f3ng \u0111i\u1ec7n kh\u00ed s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i kh\u00ed tr\u01a1 kh\u00e1c nhau \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 ph\u00e1t s\u00e1ng c\u1ee7a ngu\u1ed3n s\u00e1ng, nh\u01b0 l\u01b0u l\u01b0\u1ee3ng \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9 m\u00e0u, kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c. \u0110\u1ed1i v\u1edbi \u00e1nh s\u00e1ng ph\u00e1t ra t\u1eeb ngu\u1ed3n s\u00e1ng b\u00e1n d\u1eabn, kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 quang \u0111i\u1ec7n li\u00ean quan. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ngu\u1ed3n s\u00e1ng LED kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 80\u00b0C. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n s\u1ebd gi\u1ea3m. T\u1ef7 l\u1ec7 ph\u00e1t s\u00e1ng c\u1ee7a LED cho th\u1ea5y r\u1eb1ng khi nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp \u0111i\u1ec3m c\u1ee7a LED kho\u1ea3ng 50\u00b0C, t\u1ef7 l\u1ec7 ph\u00e1t s\u00e1ng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111\u00e8n l\u00e0 100%.<\/p>\n\n\n\n

   Hi\u1ec7n nay, ngu\u1ed3n s\u00e1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong g\u00f3i s\u1ea3n ph\u1ea9m l\u00e0: COB t\u00edch h\u1ee3p, 2835, 3030, 3535, 5050, 5054, 7070. Thi\u1ebft k\u1ebf s\u1eed d\u1ee5ng g\u00f3i nh\u1ecf, sau \u0111\u00f3 l\u00e0 chu\u1ed7i, v\u1edbi thi\u1ebft k\u1ebf ngu\u1ed3n s\u00e1ng ph\u00e2n t\u00e1n, giao di\u1ec7n th\u00e2n thi\u1ec7n, di\u1ec7n t\u00edch t\u1ea3n nhi\u1ec7t l\u1edbn, ph\u00e2n ph\u1ed1i nhi\u1ec7t \u0111\u1ec1u, kh\u00f4ng g\u00e2y qu\u00e1 nhi\u1ec7t c\u1ee5c b\u1ed9, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u00e8n LED v\u00e0 \u0111\u00e8n l\u1ed3ng.<\/p>\n\n\n\n

\u0110\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 l\u00e0 lo\u1ea1i \u0111\u00e8n ch\u1ed1ng ch\u00e1y n\u1ed5 ch\u1ee7 \u0111\u1ea1o, \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c ch\u1ed1ng ch\u00e1y n\u1ed5. Tuy nhi\u00ean, v\u1eabn c\u00f2n nhi\u1ec1u v\u1ea5n \u0111\u1ec1 c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00f4ng ngh\u1ec7 m\u1edbi. Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 c\u1ea7n gi\u1ea3m chi ph\u00ed, t\u1ed1i \u01b0u h\u00f3a ph\u01b0\u01a1ng ph\u00e1p t\u1ea3n nhi\u1ec7t, l\u1ef1a ch\u1ecdn ngu\u1ed3n \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh h\u1ee3p l\u00fd, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t \u0111\u00e8n LED ch\u1ed1ng ch\u00e1y n\u1ed5 ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>","protected":false},"excerpt":{"rendered":"

LED explosion-proof lamps and lanterns design and manufacturing Electrical equipment used in explosive environments is divided into Class I, Class II and Class III. Class II and Class III non-mining LED explosion-proof lamps are mainly used in industries where flammable and explosive gases or dusts exist, such as petroleum, petrochemicals, chemicals, pharmaceuticals and so on. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8,7],"tags":[],"class_list":["post-2232","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment","category-light"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/vi\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"LED explosion-proof lamps and lanterns design and manufacturing Electrical equipment used in explosive environments is divided into Class I, Class II and Class III. Class II and Class III non-mining LED explosion-proof lamps are mainly used in industries where flammable and explosive gases or dusts exist, such as petroleum, petrochemicals, chemicals, pharmaceuticals and so on.…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/comments?post=2232"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2232\/revisions"}],"predecessor-version":[{"id":2287,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/posts\/2232\/revisions\/2287"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/media?parent=2232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/categories?post=2232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/vi\/wp-json\/wp\/v2\/tags?post=2232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}