{"id":17640,"date":"2026-03-16T09:00:00","date_gmt":"2026-03-16T01:00:00","guid":{"rendered":"https:\/\/boqiled.com\/?p=17640"},"modified":"2026-03-13T17:39:30","modified_gmt":"2026-03-13T09:39:30","slug":"how-does-a-0-10v-dimmer-work-in-led-lighting-systems","status":"publish","type":"post","link":"https:\/\/boqiled.com\/vi\/how-does-a-0-10v-dimmer-work-in-led-lighting-systems\/","title":{"rendered":"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED?"},"content":{"rendered":"

H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng th\u01b0\u1eddng tr\u00f4ng \u0111\u01a1n gi\u1ea3n \u1edf b\u1ec1 ngo\u00e0i. Tuy nhi\u00ean, nhi\u1ec1u k\u1ef9 s\u01b0 v\u00e0 ng\u01b0\u1eddi mua g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng th\u1ef1c s\u1ef1 c\u1ee7a qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u00ean trong h\u1ec7 th\u1ed1ng LED.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch g\u1eedi t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n DC 0\u201310V \u0111\u1ebfn driver LED t\u01b0\u01a1ng th\u00edch. Driver \u0111\u1ecdc m\u1ee9c \u0111i\u1ec7n \u00e1p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng LED theo t\u1ef7 l\u1ec7 t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec7n \u00e1p th\u1ea5p h\u01a1n t\u1ea1o ra \u00e1nh s\u00e1ng m\u1edd h\u01a1n, trong khi 10V cung c\u1ea5p \u0111\u1ed9 s\u00e1ng t\u1ed1i \u0111a.<\/strong><\/p>\n\n\n\n

\"B\u1ed9
S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0 10v \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n driver LED<\/figcaption><\/figure>\n\n\n\n

Khi t\u00f4i b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c v\u1edbi driver LED, t\u00f4i nh\u1eadn th\u1ea5y nhi\u1ec1u kh\u00e1ch h\u00e0ng hi\u1ec3u v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n LED nh\u01b0ng l\u1ea1i c\u1ea3m th\u1ea5y b\u1ed1i r\u1ed1i v\u1ec1 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng. Trong s\u1ed1 nhi\u1ec1u c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. S\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3 v\u1eabn khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0a th\u00edch trong c\u00e1c d\u1ef1 \u00e1n chi\u1ebfu s\u00e1ng th\u01b0\u01a1ng m\u1ea1i.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Nhi\u1ec1u ng\u01b0\u1eddi mua thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng nghe \u0111\u1ebfn thu\u1eadt ng\u1eef \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V<\/a> th\u01b0\u1eddng xuy\u00ean. Nh\u01b0ng h\u1ecd th\u01b0\u1eddng \u0111\u1eb7t c\u00e2u h\u1ecfi c\u01a1 b\u1ea3n: n\u00f3 th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n chi\u1ebfu s\u00e1ng analog \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u1eb1ng c\u00e1ch g\u1eedi t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p DC t\u1eeb 0 \u0111\u1ebfn 10 volt \u0111\u1ebfn driver LED c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng. M\u1ee9c \u0111i\u1ec7n \u00e1p tr\u1ef1c ti\u1ebfp \u0111i\u1ec1u khi\u1ec3n m\u1ee9c c\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng.<\/strong><\/p>\n\n\n\n

\"B\u1ed9
Giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0 10v b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng chi\u1ebfu s\u00e1ng th\u01b0\u01a1ng m\u1ea1i<\/figcaption><\/figure>\n\n\n\n

\u0110\u1ecbnh ngh\u0129a v\u1ec1 c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V<\/h3>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n chi\u1ebfu s\u00e1ng \u0111i\u1ec7n t\u1eed s\u1edbm nh\u1ea5t. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch g\u1eedi t\u00edn hi\u1ec7u DC \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1ebfn driver.<\/p>\n\n\n\n

N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p. N\u00f3 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n t\u1eeb 0 volt \u0111\u1ebfn 10 volt. Driver LED li\u00ean t\u1ee5c \u0111\u1ecdc t\u00edn hi\u1ec7u n\u00e0y. Sau \u0111\u00f3, n\u00f3 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra c\u1ee7a LED d\u1ef1a tr\u00ean m\u1ee9c \u0111i\u1ec7n \u00e1p.<\/p>\n\n\n\n

Kh\u00e1i ni\u1ec7m r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n

\u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n<\/th>\u0110\u1ed9 s\u00e1ng \u0111\u1ea7u ra<\/th><\/tr><\/thead>
10V<\/td>\u0110\u1ed9 s\u00e1ng 100%<\/td><\/tr>
8V<\/td>\u0110\u1ed9 s\u00e1ng ~80%<\/td><\/tr>
5V<\/td>\u0110\u1ed9 s\u00e1ng ~50%<\/td><\/tr>
2V<\/td>\u0110\u1ed9 s\u00e1ng ~20%<\/td><\/tr>
0\u20131V<\/td>\u0110\u1ed9 s\u00e1ng t\u1ed1i thi\u1ec3u ho\u1eb7c T\u1eaeT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H\u1ec7 th\u1ed1ng n\u00e0y t\u00e1ch bi\u1ec7t d\u00e2y ngu\u1ed3n<\/strong> v\u00e0 d\u00e2y \u0111i\u1ec1u khi\u1ec3n<\/strong>. Ngu\u1ed3n AC c\u1ea5p cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED. C\u00e1c d\u00e2y \u0111i\u1ec1u khi\u1ec3n ch\u1ec9 truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n\n\n\n

L\u1ecbch s\u1eed v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec1u khi\u1ec3n chi\u1ebfu s\u00e1ng 0\u201310V<\/h3>\n\n\n\n

\u0110i\u1ec1u khi\u1ec3n 0\u201310V kh\u00f4ng b\u1eaft \u0111\u1ea7u v\u1edbi \u0111\u00e8n LED. N\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng hu\u1ef3nh quang<\/a><\/strong> nhi\u1ec1u th\u1eadp k\u1ef7 tr\u01b0\u1edbc.<\/p>\n\n\n\n

Trong nh\u1eefng ng\u00e0y \u0111\u1ea7u, ch\u1ea5n l\u01b0u hu\u1ef3nh quang s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p analog \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t \u0111\u00e8n. C\u00e1c k\u1ef9 s\u01b0 nh\u1eadn th\u1ea5y h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u00e1ng tin c\u1eady. N\u00f3 c\u0169ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i l\u1edbn.<\/p>\n\n\n\n

Sau \u0111\u00f3, khi \u0111\u00e8n LED tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 \u00e1p d\u1ee5ng c\u00f9ng kh\u00e1i ni\u1ec7m cho b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m r\u1ea5t r\u00f5 r\u00e0ng. C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf t\u00f2a nh\u00e0 \u0111\u00e3 hi\u1ec3u h\u1ec7 th\u1ed1ng n\u00e0y. C\u00e1c th\u1ee3 l\u1eafp \u0111\u1eb7t \u0111\u00e3 bi\u1ebft ph\u01b0\u01a1ng ph\u00e1p \u0111i d\u00e2y. V\u00ec v\u1eady, c\u00f4ng ngh\u1ec7 n\u00e0y chuy\u1ec3n \u0111\u1ed5i m\u01b0\u1ee3t m\u00e0 t\u1eeb h\u1ec7 th\u1ed1ng hu\u1ef3nh quang sang h\u1ec7 th\u1ed1ng LED.<\/p>\n\n\n\n

Ngay c\u1ea3 ng\u00e0y nay, nhi\u1ec1u d\u1ef1 \u00e1n l\u1edbn v\u1eabn d\u1ef1a v\u00e0o ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edfng th\u00e0nh n\u00e0y.<\/p>\n\n\n\n

T\u1ea1i sao \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V v\u1eabn ph\u1ed5 bi\u1ebfn trong chi\u1ebfu s\u00e1ng th\u01b0\u01a1ng m\u1ea1i<\/h3>\n\n\n\n

T\u00f4i th\u01b0\u1eddng th\u1ea5y ng\u01b0\u1eddi mua h\u1ecfi t\u1ea1i sao c\u00f4ng ngh\u1ec7 c\u0169 n\u00e0y v\u1eabn t\u1ed3n t\u1ea1i khi c\u00f3 c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n

C\u00e2u tr\u1ea3 l\u1eddi r\u1ea5t \u0111\u01a1n gi\u1ea3n: \u0111\u1ed9 tin c\u1eady v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n

\u0110i\u1ec1u khi\u1ec3n 0\u201310V c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

T\u00ednh n\u0103ng<\/th>L\u1ee3i \u00edch<\/th><\/tr><\/thead>
T\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n<\/td>D\u1ec5 d\u00e0ng cho th\u1ee3 l\u1eafp \u0111\u1eb7t<\/td><\/tr>
Linh ki\u1ec7n chi ph\u00ed th\u1ea5p<\/td>Gi\u00e1 h\u1ec7 th\u1ed1ng th\u1ea5p h\u01a1n<\/td><\/tr>
T\u00edn hi\u1ec7u analog \u1ed5n \u0111\u1ecbnh<\/td>Hi\u1ec7u su\u1ea5t \u0111i\u1ec1u khi\u1ec3n \u0111\u00e1ng tin c\u1eady<\/td><\/tr>
T\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i<\/td>Ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhi\u1ec1u b\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Nhi\u1ec1u d\u1ef1 \u00e1n th\u01b0\u01a1ng m\u1ea1i quan t\u00e2m nhi\u1ec1u h\u01a1n \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady v\u00e0 chi ph\u00ed<\/strong> h\u01a1n l\u00e0 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao. C\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng, nh\u00e0 kho v\u00e0 c\u1eeda h\u00e0ng b\u00e1n l\u1ebb th\u01b0\u1eddng ch\u1ecdn c\u00e1c gi\u1ea3i ph\u00e1p d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao \u0111i\u1ec1u khi\u1ec3n 0\u201310V ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng 0\u201310V ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec3u kh\u00e1i ni\u1ec7m \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p. Nh\u01b0ng h\u1ecd v\u1eabn mu\u1ed1n bi\u1ebft h\u1ec7 th\u1ed1ng th\u1ef1c s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng LED nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n 0\u201310V \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n g\u1eedi \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u0111\u00f3 th\u00e0nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra LED t\u1ef7 l\u1ec7, tr\u1ef1c ti\u1ebfp thay \u0111\u1ed5i c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng.<\/strong><\/p>\n\n\n\n

\"B\u1ed9
Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec1u khi\u1ec3n 0 10v \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n b\u1ed9 \u0111i\u1ec1u khi\u1ec3n led<\/figcaption><\/figure>\n\n\n\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a \u0111i\u1ec1u khi\u1ec3n t\u00edn hi\u1ec7u 0\u201310V<\/h3>\n\n\n\n

Qu\u00e1 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n b\u1eaft \u0111\u1ea7u v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n dimmer.<\/p>\n\n\n\n

Khi ng\u01b0\u1eddi d\u00f9ng di chuy\u1ec3n thanh tr\u01b0\u1ee3t ho\u1eb7c n\u00fam xoay, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra. \u0110i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n n\u1eb1m trong kho\u1ea3ng t\u1eeb 0V \u0111\u1ebfn 10V.<\/p>\n\n\n\n

Hai d\u00e2y \u0111i\u1ec7n \u00e1p th\u1ea5p k\u1ebft n\u1ed1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED. C\u00e1c d\u00e2y n\u00e0y truy\u1ec1n t\u00edn hi\u1ec7u.<\/p>\n\n\n\n

B\u00ean trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED, m\u1ed9t m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n nh\u1ecf \u0111\u1ecdc \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p n\u00e0y th\u00e0nh t\u00edn hi\u1ec7u tham chi\u1ebfu n\u1ed9i b\u1ed9.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra LED t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n

To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c. Khi \u0111i\u1ec7n \u00e1p thay \u0111\u1ed5i, \u0111\u1ed9 s\u00e1ng thay \u0111\u1ed5i ngay l\u1eadp t\u1ee9c.<\/p>\n\n\n\n

M\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ee9c \u0111i\u1ec7n \u00e1p v\u00e0 c\u00f4ng su\u1ea5t \u00e1nh s\u00e1ng<\/h3>\n\n\n\n

M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111i\u1ec7n \u00e1p v\u00e0 \u0111\u1ed9 s\u00e1ng g\u1ea7n nh\u01b0 tuy\u1ebfn t\u00ednh.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u00e1nh s\u00e1ng \u0111\u1ea7u ra tu\u00e2n theo \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n m\u1ed9t c\u00e1ch t\u1ef7 l\u1ec7.<\/p>\n\n\n\n

M\u1ee9c \u0111i\u1ec7n \u00e1p<\/th>Ph\u1ea3n h\u1ed3i c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/th>\u0110\u1ed9 s\u00e1ng LED<\/th><\/tr><\/thead>
10V<\/td>D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra t\u1ed1i \u0111a<\/td>100%<\/td><\/tr>
7V<\/td>D\u00f2ng \u0111i\u1ec7n gi\u1ea3m<\/td>~70%<\/td><\/tr>
5V<\/td>D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra m\u1ed9t n\u1eeda<\/td>~50%<\/td><\/tr>
2V<\/td>D\u00f2ng \u0111i\u1ec7n r\u1ea5t th\u1ea5p<\/td>~20%<\/td><\/tr>
0\u20131V<\/td>D\u00f2ng \u0111i\u1ec7n t\u1ed1i thi\u1ec3u<\/td>\u00c1nh s\u00e1ng t\u1ed1i thi\u1ec3u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tuy nhi\u00ean, m\u1ed7i nh\u00e0 s\u1ea3n xu\u1ea5t driver c\u00f3 th\u1ec3 tri\u1ec3n khai c\u00e1c \u0111\u01b0\u1eddng cong dimming h\u01a1i kh\u00e1c nhau.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 driver s\u1eed d\u1ee5ng dimming tuy\u1ebfn t\u00ednh<\/strong>. C\u00e1c lo\u1ea1i kh\u00e1c s\u1eed d\u1ee5ng dimming logarit<\/strong> \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eadn th\u1ee9c c\u1ee7a m\u1eaft ng\u01b0\u1eddi.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf n\u00e0y c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m dimming tr\u1ef1c quan.<\/p>\n\n\n\n

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\"\u0110\u01b0\u1eddng
boqi 0-10V dimming tuy\u1ebfn t\u00ednh<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n
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\"boqi
boqi 0-10V dimming logarit<\/strong><\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

C\u00e1ch driver LED ph\u1ea3n h\u1ed3i t\u00edn hi\u1ec7u 0\u201310V<\/h3>\n\n\n\n

Driver LED \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng nh\u1ea5t trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n dimming ch\u1ec9 g\u1eedi t\u00edn hi\u1ec7u. Driver th\u1ef1c hi\u1ec7n vi\u1ec7c ki\u1ec3m so\u00e1t c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

B\u00ean trong driver, m\u1ed9t m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p analog th\u00e0nh l\u1ec7nh \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n.<\/p>\n\n\n\n

Driver \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra b\u1eb1ng \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t n\u1ed9i b\u1ed9.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n<\/th>Ch\u1ee9c n\u0103ng<\/th><\/tr><\/thead>
Ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u<\/td>\u0110\u1ecdc \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n<\/td><\/tr>
X\u1eed l\u00fd \u0111i\u1ec1u khi\u1ec3n<\/td>Chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p th\u00e0nh l\u1ec7nh dimming<\/td><\/tr>
\u0110i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n<\/td>\u0110i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra LED<\/td><\/tr>
\u1ed4n \u0111\u1ecbnh \u0111\u1ea7u ra<\/td>Duy tr\u00ec \u00e1nh s\u00e1ng \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Driver ch\u1ea5t l\u01b0\u1ee3ng cao c\u0169ng bao g\u1ed3m b\u1ed9 l\u1ecdc v\u00e0 kh\u1eed nhi\u1ec5u. C\u00e1c t\u00ednh n\u0103ng n\u00e0y ng\u0103n ng\u1eeba nh\u1ea5p nh\u00e1y v\u00e0 \u0111\u1ea3m b\u1ea3o dimming m\u01b0\u1ee3t m\u00e0.<\/p>\n\n\n\n

Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i, ch\u1ea5t l\u01b0\u1ee3ng driver th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh h\u1ec7 th\u1ed1ng dimming c\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t hay kh\u00f4ng.<\/p>\n\n\n\n

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