{"id":7478,"date":"2025-08-18T08:12:14","date_gmt":"2025-08-18T08:12:14","guid":{"rendered":"https:\/\/www.omch.com\/?p=7478"},"modified":"2025-11-14T09:08:17","modified_gmt":"2025-11-14T09:08:17","slug":"how-do-proximity-sensors-work","status":"publish","type":"post","link":"https:\/\/www.omch.com\/vi\/how-do-proximity-sensors-work\/","title":{"rendered":"C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau?"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay, c\u00f3 h\u00e0ng t\u1ef7 quy tr\u00ecnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi nh\u1eefng b\u1ed9 ph\u1eadn \u1ea9n gi\u1ea5u v\u00e0 trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn ra. Cho d\u00f9 \u0111\u00f3 l\u00e0 nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng ph\u1ee9c t\u1ea1p c\u1ee7a d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t trong nh\u00e0 m\u00e1y hay m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i \u201cc\u01a1 b\u1ea3n\u201d t\u1ef1 \u0111\u1ed9ng gi\u1ea3m \u0111\u1ed9 s\u00e1ng khi c\u00f3 cu\u1ed9c g\u1ecdi \u0111\u1ebfn, ch\u00ednh c\u00e1c c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn l\u00e0 y\u1ebfu t\u1ed1 gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 thi\u1ebft k\u1ebf th\u00f4ng minh tr\u1edf n\u00ean kh\u1ea3 thi \u0111\u1eb1ng sau h\u1eadu tr\u01b0\u1eddng. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y mang l\u1ea1i cho m\u00e1y m\u00f3c m\u1ed9t gi\u00e1c quan c\u01a1 b\u1ea3n \u2013 kh\u1ea3 n\u0103ng \u201cnh\u00ecn th\u1ea5y\u201d ho\u1eb7c \u201cc\u1ea3m nh\u1eadn\u201d s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a b\u1ea5t k\u1ef3 v\u1eadt th\u1ec3 n\u00e0o m\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ch\u1ea1m v\u00e0o n\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng then ch\u1ed1t cho hi\u1ec7u qu\u1ea3, an to\u00e0n v\u00e0 thi\u1ebft k\u1ebf l\u1ea5y ng\u01b0\u1eddi d\u00f9ng l\u00e0m trung t\u00e2m trong h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u1edbn. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00e0m s\u00e1ng t\u1ecf c\u00e1c nguy\u00ean l\u00fd c\u1ee7a nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh n\u00e0y, n\u00eau r\u00f5 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch, \u0111\u1ed3ng th\u1eddi th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng \u1ee9ng d\u1ee5ng mang t\u00ednh \u0111\u1ed9t ph\u00e1 c\u1ee7a ch\u00fang trong c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n

C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u1ea1i tin d\u00f9ng ch\u00fang?<\/h2>\n\n\n\n

\u0110\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u00fang t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta c\u1ea7n hi\u1ec3u b\u1ea3n ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a ch\u00fang c\u0169ng nh\u01b0 nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt m\u00e0 ch\u00fang mang l\u1ea1i so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p c\u01a1 kh\u00ed truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch l\u00e0 g\u00ec?<\/h3>\n\n\n\n

C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 \u1edf g\u1ea7n m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac v\u1eadt l\u00fd. Trong th\u1ef1c t\u1ebf \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i, c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1t ra m\u1ed9t tr\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng v\u00e0o khu v\u1ef1c l\u00e2n c\u1eadn, v\u00ed d\u1ee5 nh\u01b0 tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb, ch\u00f9m tia h\u1ed3ng ngo\u1ea1i, ch\u00f9m s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao, v.v. Sau \u0111\u00f3, c\u1ea3m bi\u1ebfn s\u1ebd ph\u00e2n t\u00edch s\u1ef1 thay \u0111\u1ed5i c\u1ee7a tr\u01b0\u1eddng n\u00e0y ho\u1eb7c t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i t\u1eeb n\u00f3. Khi m\u1ed9t v\u1eadt th\u1ec3 trong v\u00f9ng ph\u00e1t hi\u1ec7n l\u00e0m gi\u00e1n \u0111o\u1ea1n tr\u01b0\u1eddng n\u00e0y, m\u1ea1ch \u0111\u1ea7u ra trong c\u1ea3m bi\u1ebfn s\u1ebd chuy\u1ec3n \u0111\u1ed5i v\u00e0 b\u00e1o hi\u1ec7u s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a v\u1eadt th\u1ec3 \u0111\u00f3 cho h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i (ch\u1eb3ng h\u1ea1n nh\u01b0 PLC, vi \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c m\u00e1y t\u00ednh). \u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt gi\u00fap ph\u00e2n bi\u1ec7t c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn v\u1edbi c\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i c\u01a1 h\u1ecdc kh\u00e1c nh\u01b0 c\u00f4ng t\u1eafc ti\u1ec7m c\u1eadn l\u00e0 c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd kh\u00f4ng ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

\"C\u1ea3m<\/figure>\n\n\n\n

T\u1ea1i sao c\u00f4ng ngh\u1ec7 n\u00e0y l\u1ea1i kh\u00f4ng th\u1ec3 thi\u1ebfu<\/h3>\n\n\n\n

Vi\u1ec7c c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean; \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp t\u1eeb nh\u1eefng l\u1ee3i th\u1ebf v\u1eadn h\u00e0nh n\u1ed5i b\u1eadt m\u00e0 ch\u00fang mang l\u1ea1i, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong t\u1ef1 \u0111\u1ed9ng h\u00f3a hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

    \n
  • T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd<\/strong>: Do c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, ch\u00fang kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 hao m\u00f2n c\u01a1 h\u1ecdc \u2013 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c c\u00f4ng t\u1eafc truy\u1ec1n th\u1ed1ng. Thi\u1ebft k\u1ebf b\u00e1n d\u1eabn n\u00e0y gi\u00fap k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng v\u00e0 gi\u1ea3m thi\u1ec3u nhu c\u1ea7u b\u1ea3o tr\u00ec, t\u1eeb \u0111\u00f3 gi\u00fap gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed trong d\u00e0i h\u1ea1n.<\/li>\n\n\n\n
  • Ho\u1ea1t \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 cao<\/strong>: Kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi qu\u00e1n t\u00ednh c\u01a1 h\u1ecdc, c\u00e1c c\u1ea3m bi\u1ebfn \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 b\u1eadt v\u00e0 t\u1eaft v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c k\u1ef3 cao. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn c\u00e1c qu\u00e1 tr\u00ecnh di\u1ec5n ra nhanh ch\u00f3ng, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ebfm c\u00e1c v\u1eadt th\u1ec3 tr\u00ean b\u0103ng t\u1ea3i chuy\u1ec3n \u0111\u1ed9ng nhanh ho\u1eb7c gi\u00e1m s\u00e1t chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3<\/strong> trong l\u0129nh v\u1ef1c m\u00e1y m\u00f3c.<\/li>\n\n\n\n
  • An to\u00e0n v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong>: T\u00ednh ch\u1ea5t kh\u00f4ng ti\u1ebfp x\u00fac c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y cho ph\u00e9p ch\u00fang ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 m\u00e0 kh\u00f4ng l\u00e0m x\u00e1o tr\u1ed9n ch\u00fang. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n ph\u00e1t hi\u1ec7n l\u00e0 d\u1ec5 v\u1ee1, v\u1eeba \u0111\u01b0\u1ee3c s\u01a1n xong ho\u1eb7c v\u00f4 tr\u00f9ng. Ngo\u00e0i ra, \u0111i\u1ec1u n\u00e0y c\u00f2n gi\u00fap t\u0103ng c\u01b0\u1eddng an to\u00e0n cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh b\u1eb1ng c\u00e1ch cho ph\u00e9p m\u00e1y m\u00f3c c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c khu v\u1ef1c l\u00e2n c\u1eadn<\/strong> s\u1eed d\u1ee5ng tay ho\u1eb7c d\u1ee5ng c\u1ee5 trong c\u00e1c khu v\u1ef1c nguy hi\u1ec3m.<\/li>\n\n\n\n
  • Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u00f4i tr\u01b0\u1eddng<\/strong>: Nhi\u1ec1u lo\u1ea1i c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn \u0111\u01b0\u1ee3c b\u1ecdc k\u00edn trong v\u1ecf b\u1ecdc ch\u1eafc ch\u1eafn, nh\u1edd \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu r\u1ea5t t\u1ed1t tr\u01b0\u1edbc \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/strong> nh\u01b0 b\u1ee5i, \u0111\u1ed9 \u1ea9m, d\u1ea7u m\u1ee1 v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u00f3a h\u1ecdc. \u0110i\u1ec1u n\u00e0y gi\u00fap ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t, n\u01a1i c\u00e1c thi\u1ebft b\u1ecb c\u01a1 kh\u00ed s\u1ebd nhanh ch\u00f3ng b\u1ecb h\u1ecfng.<\/li>\n<\/ul>\n\n\n\n

    Hi\u1ec3u v\u1ec1 b\u1ed1n lo\u1ea1i c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch ch\u00ednh<\/h2>\n\n\n\n

    M\u1eb7c d\u00f9 t\u1ea5t c\u1ea3 c\u00e1c c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn \u0111\u1ec1u d\u1ef1a tr\u00ean c\u00f9ng m\u1ed9t nguy\u00ean l\u00fd ph\u00e1t hi\u1ec7n kh\u00f4ng ti\u1ebfp x\u00fac, nh\u01b0ng ch\u00fang th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i c\u1ea3m bi\u1ebfn ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t v\u1eadt li\u1ec7u c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau, ph\u1ea1m vi ph\u00e1t hi\u1ec7n c\u1ea7n thi\u1ebft v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. Hi\u1ec7n nay c\u00f3 b\u1ed1n lo\u1ea1i c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn ch\u00ednh \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, \u0111\u00f3 l\u00e0 c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng, c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn \u0111i\u1ec7n dung, c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn quang \u0111i\u1ec7n v\u00e0 c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn si\u00eau \u00e2m. C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn c\u1ea3m \u1ee9ng<\/p>\n\n\n\n

    C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng l\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 l\u1ef1c trong t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 kim lo\u1ea1i.<\/p>\n\n\n\n

    Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n

    Ngo\u00e0i ra, c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng s\u1ebd t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb t\u1ea7n s\u1ed1 cao th\u00f4ng qua m\u1ed9t cu\u1ed9n d\u00e2y tr\u00ean b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn. C\u00e1c v\u1eadt th\u1ec3 l\u00e0m t\u1eeb v\u1eadt li\u1ec7u kim lo\u1ea1i (v\u1eadt li\u1ec7u s\u1eaft t\u1eeb ho\u1eb7c v\u1eadt li\u1ec7u kh\u00f4ng s\u1eaft t\u1eeb) s\u1ebd t\u1ea1o ra c\u00e1c d\u00f2ng \u0111i\u1ec7n r\u1ea5t nh\u1ecf, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00f2ng \u0111i\u1ec7n xo\u00e1y, tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a ch\u00fang khi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o tr\u01b0\u1eddng n\u00e0y. C\u00e1c d\u00f2ng \u0111i\u1ec7n xo\u00e1y n\u00e0y g\u00e2y ra s\u1ef1 h\u00ecnh th\u00e0nh c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng th\u1ee9 hai, t\u00e1c \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi tr\u01b0\u1eddng ban \u0111\u1ea7u tr\u00ean c\u1ea3m bi\u1ebfn v\u00e0 l\u00e0m suy y\u1ebfu n\u00f3. S\u1ef1 suy gi\u1ea3m dao \u0111\u1ed9ng c\u1ee7a tr\u01b0\u1eddng n\u00e0y \u0111\u01b0\u1ee3c m\u1ea1ch c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n b\u00ean trong v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111\u1ea7u ra.<\/p>\n\n\n\n

    \u0110\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau: <\/strong>Ch\u1ec9 ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 kim lo\u1ea1i.<\/p>\n\n\n\n

    \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

      \n
    • C\u1ef1c k\u1ef3 ch\u1eafc ch\u1eafn v\u00e0 b\u1ec1n b\u1ec9.<\/li>\n\n\n\n
    • C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee5i, b\u1ea9n, d\u1ea7u m\u1ee1 v\u00e0 \u0111\u1ed9 \u1ea9m r\u1ea5t cao.<\/li>\n\n\n\n
    • T\u1ed1c \u0111\u1ed9 chuy\u1ec3n m\u1ea1ch nhanh v\u00e0 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng r\u1ea5t cao.<\/li>\n\n\n\n
    • C\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao.<\/li>\n<\/ul>\n\n\n\n

      Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

        \n
      • Ch\u1ec9 gi\u1edbi h\u1ea1n trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c m\u1ee5c ti\u00eau kim lo\u1ea1i.<\/li>\n\n\n\n
      • Ph\u1ea1m vi c\u1ea3m bi\u1ebfn t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn, th\u01b0\u1eddng t\u1eeb v\u00e0i milim\u00e9t \u0111\u1ebfn kho\u1ea3ng 60 mm.<\/li>\n<\/ul>\n\n\n\n

        C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn \u0111i\u1ec7n dung<\/h3>\n\n\n\n

        So v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb, c\u1ea3m bi\u1ebfn \u0111i\u1ec7n dung cho ph\u00e9p s\u1eed d\u1ee5ng \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u01a1n.<\/p>\n\n\n\n

        Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n

        C\u1ea3m bi\u1ebfn \u0111i\u1ec7n dung l\u00e0 m\u1ed9t t\u1ee5 \u0111i\u1ec7n h\u1edf, trong \u0111\u00f3 b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ed9t \u0111i\u1ec7n c\u1ef1c, c\u00f2n \u0111i\u1ec7n c\u1ef1c th\u1ee9 hai b\u00ean trong \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec7n c\u1ef1c c\u00f2n l\u1ea1i. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng t\u0129nh \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh. Khi b\u1ea5t k\u1ef3 v\u1eadt th\u1ec3 n\u00e0o, d\u00f9 l\u00e0 v\u1eadt d\u1eabn \u0111i\u1ec7n hay kh\u00f4ng d\u1eabn \u0111i\u1ec7n, ti\u1ebfp c\u1eadn b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c \u0111i\u1ec7n c\u1ef1c s\u1ebd thay \u0111\u1ed5i. S\u1ef1 thay \u0111\u1ed5i n\u00e0y trong t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n dung c\u1ee7a h\u1ec7 th\u1ed1ng. Khi s\u1ef1 thay \u0111\u1ed5i n\u00e0y v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng c\u00e0i \u0111\u1eb7t, c\u1ea3m bi\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n\n\n\n

        \u0110\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau: <\/strong>C\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n h\u1ea7u h\u1ebft m\u1ecdi lo\u1ea1i v\u1eadt li\u1ec7u, bao g\u1ed3m kim lo\u1ea1i, nh\u1ef1a, g\u1ed7, ch\u1ea5t l\u1ecfng, b\u1ed9t v\u00e0 c\u00e1c ch\u1ea5t d\u1ea1ng h\u1ea1t.<\/p>\n\n\n\n

        \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

          \n
        • C\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u.<\/li>\n\n\n\n
        • R\u1ea5t h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng qua th\u00e0nh b\u1ec3 kh\u00f4ng kim lo\u1ea1i.<\/li>\n<\/ul>\n\n\n\n

          Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

            \n
          • D\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng h\u01a1n b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0111\u1ed9 \u1ea9m v\u00e0 h\u01a1i \u1ea9m, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c ph\u1ea3n \u1ee9ng sai.<\/li>\n\n\n\n
          • Ph\u1ea1m vi c\u1ea3m bi\u1ebfn c\u0169ng kh\u00e1 ng\u1eafn.<\/li>\n<\/ul>\n\n\n\n
            \"C\u1ea3m<\/figure>\n\n\n\n

            C\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn quang \u0111i\u1ec7n<\/h3>\n\n\n\n

            C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n (hay c\u1ea3m bi\u1ebfn quang h\u1ecdc) s\u1eed d\u1ee5ng ch\u00f9m \u00e1nh s\u00e1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a v\u1eadt th\u1ec3.<\/p>\n\n\n\n

            Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n

            C\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh: b\u1ed9 ph\u00e1t (th\u01b0\u1eddng l\u00e0 \u0111\u00e8n LED h\u1ed3ng ngo\u1ea1i ho\u1eb7c \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn) v\u00e0 b\u1ed9 thu (photodiode ho\u1eb7c phototransistor). Ch\u00fang ho\u1ea1t \u0111\u1ed9ng theo m\u1ed9t trong ba ch\u1ebf \u0111\u1ed9 ch\u00ednh sau:<\/p>\n\n\n\n

            C\u1ea3m bi\u1ebfn xuy\u00ean ch\u00f9m<\/strong>: B\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu \u0111\u01b0\u1ee3c \u0111\u1eb7t trong hai v\u1ecf ri\u00eang bi\u1ec7t, h\u01b0\u1edbng v\u1ec1 ph\u00eda nhau. M\u1ed9t v\u1eadt th\u1ec3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n khi n\u00f3 c\u1eaft ngang ch\u00f9m \u00e1nh s\u00e1ng gi\u1eefa hai b\u1ed9 ph\u1eadn n\u00e0y.<\/p>\n\n\n\n

            Ph\u1ea3n quang<\/strong>: B\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00f9ng m\u1ed9t v\u1ecf. Ch\u00f9m s\u00e1ng \u0111\u01b0\u1ee3c ph\u1ea3n x\u1ea1 qua m\u1ed9t g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 \u0111\u1eb7c bi\u1ec7t, v\u00e0 v\u1eadt th\u1ec3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n khi n\u00f3 c\u1ea3n tr\u1edf \u0111\u01b0\u1eddng \u0111i c\u1ee7a ch\u00f9m s\u00e1ng n\u00e0y.<\/p>\n\n\n\n

            Ph\u1ea3n x\u1ea1 khu\u1ebfch t\u00e1n<\/strong>: B\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu n\u1eb1m trong c\u00f9ng m\u1ed9t v\u1ecf, v\u00e0 c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean ch\u00f9m \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 tr\u1ef1c ti\u1ebfp t\u1eeb ch\u00ednh v\u1eadt th\u1ec3 m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

            \u0110\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau: <\/strong>Ph\u00e1t hi\u1ec7n h\u1ea7u h\u1ebft c\u00e1c v\u1eadt th\u1ec3 m\u1edd \u0111\u1ee5c ho\u1eb7c b\u00e1n m\u1edd \u0111\u1ee5c.<\/p>\n\n\n\n

            \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

              \n
            • C\u00f3 ph\u1ea1m vi c\u1ea3m bi\u1ebfn r\u1ed9ng h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng ho\u1eb7c \u0111i\u1ec7n dung, c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi h\u00e0ng m\u00e9t.<\/li>\n\n\n\n
            • R\u1ea5t linh ho\u1ea1t v\u00e0 c\u00f3 s\u1eb5n trong nhi\u1ec1u c\u1ea5u h\u00ecnh kh\u00e1c nhau.<\/li>\n<\/ul>\n\n\n\n

              Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/p>\n\n\n\n

                \n
              • Hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00e0u s\u1eafc, \u0111\u1ed9 ph\u1ea3n x\u1ea1 v\u00e0 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t c\u1ee7a m\u1ee5c ti\u00eau.<\/li>\n\n\n\n
              • \u1ed0ng k\u00ednh c\u00f3 th\u1ec3 b\u1ecb b\u1ee5i, b\u1ea9n ho\u1eb7c h\u01a1i \u1ea9m che khu\u1ea5t, do \u0111\u00f3 c\u1ea7n ph\u1ea3i v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3.<\/li>\n<\/ul>\n\n\n\n

                C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch si\u00eau \u00e2m<\/h3>\n\n\n\n

                C\u1ea3m bi\u1ebfn si\u00eau \u00e2m s\u1eed d\u1ee5ng s\u00f3ng \u00e2m \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch v\u00e0 ph\u00e1t hi\u1ec7n v\u1eadt th\u1ec3, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u1ec7 th\u1ed1ng sonar.<\/p>\n\n\n\n

                Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n

                C\u1ea3m bi\u1ebfn ph\u00e1t ra m\u1ed9t xung \u00e2m thanh ng\u1eafn, t\u1ea7n s\u1ed1 cao. Sau \u0111\u00f3, c\u1ea3m bi\u1ebfn chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 l\u1eafng nghe, ch\u1edd \u0111\u1ee3i \u00e2m thanh ph\u1ea3n x\u1ea1 t\u1eeb v\u1eadt th\u1ec3 v\u00e0 quay tr\u1edf l\u1ea1i d\u01b0\u1edbi d\u1ea1ng ti\u1ebfng vang. B\u1ed9 vi x\u1eed l\u00fd c\u1ee7a c\u1ea3m bi\u1ebfn \u0111o th\u1eddi gian tr\u00f4i qua gi\u1eefa l\u00fac ph\u00e1t ra v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c \u00e2m thanh (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cTh\u1eddi gian bay\u201d). D\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9 \u00e2m thanh, b\u1ed9 vi x\u1eed l\u00fd t\u00ednh to\u00e1n ch\u00ednh x\u00e1c kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt th\u1ec3.<\/p>\n\n\n\n

                \u0110\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau: <\/strong>C\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n h\u1ea7u h\u1ebft m\u1ecdi v\u1eadt th\u1ec3 ph\u1ea3n x\u1ea1 \u00e2m thanh, b\u1ea5t k\u1ec3 m\u00e0u s\u1eafc, \u0111\u1ed9 trong su\u1ed1t hay \u0111\u1ed9 b\u00f3ng c\u1ee7a b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u1ea3 th\u1ee7y tinh trong su\u1ed1t, ch\u1ea5t l\u1ecfng v\u00e0 kim lo\u1ea1i s\u00e1ng b\u00f3ng.<\/p>\n\n\n\n

                \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

                  \n
                • C\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 trong su\u1ed1t ho\u1eb7c c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u r\u1ea5t t\u1ed1t.<\/li>\n\n\n\n
                • Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00e0u s\u1eafc.<\/li>\n\n\n\n
                • C\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch, kh\u00f4ng ch\u1ec9 \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n.<\/li>\n<\/ul>\n\n\n\n

                  Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

                    \n
                  • Th\u1eddi gian ph\u1ea3n h\u1ed3i ch\u1eadm h\u01a1n so v\u1edbi c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n.<\/li>\n\n\n\n
                  • C\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m, c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u00e2m thanh nh\u01b0 x\u1ed1p ho\u1eb7c v\u1ea3i.<\/li>\n\n\n\n
                  • C\u00f3 th\u1ec3 c\u00f3 m\u1ed9t \u201cv\u00f9ng m\u00f9\u201d n\u1eb1m r\u1ea5t g\u1ea7n b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn, n\u01a1i kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n\n\n\n

                    T\u1ed5ng quan v\u1ec1 c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch<\/h2>\n\n\n\n
                    Lo\u1ea1i c\u1ea3m bi\u1ebfn<\/td>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/td>C\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c<\/td>Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/td>Nh\u1eefng h\u1ea1n ch\u1ebf th\u01b0\u1eddng g\u1eb7p<\/td><\/tr>
                    D\u1eabn xu\u1ea5t<\/strong><\/td>Ph\u00e1t hi\u1ec7n s\u1ef1 x\u00e1o tr\u1ed9n trong tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb th\u00f4ng qua d\u00f2ng \u0111i\u1ec7n xo\u00e1y.<\/td>Ch\u1ec9 kim lo\u1ea1i (kim lo\u1ea1i \u0111en v\u00e0 kim lo\u1ea1i m\u00e0u).<\/td>C\u1ef1c k\u1ef3 b\u1ec1n b\u1ec9, ch\u1ed1ng b\u1ee5i v\u00e0 ch\u1ed1ng \u1ea9m, t\u1ed1c \u0111\u1ed9 cao.<\/td>Ph\u1ea1m vi ph\u00e1t hi\u1ec7n ng\u1eafn, ch\u1ec9 ph\u00e1t hi\u1ec7n kim lo\u1ea1i.<\/td><\/tr>
                    Dung l\u01b0\u1ee3ng<\/strong><\/td>Ph\u00e1t hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n dung do m\u1ed9t v\u1eadt th\u1ec3 \u1edf g\u1ea7n g\u00e2y ra.<\/td>H\u1ea7u nh\u01b0 b\u1ea5t k\u1ef3 lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o (ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng, b\u1ed9t).<\/td>C\u00f3 t\u00ednh linh ho\u1ea1t cao, c\u00f3 th\u1ec3 \u201cnh\u00ecn xuy\u00ean qua\u201d c\u00e1c th\u00f9ng ch\u1ee9a phi kim lo\u1ea1i.<\/td>D\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 \u1ea9m, ph\u1ea1m vi c\u1ea3m bi\u1ebfn h\u1eb9p h\u01a1n.<\/td><\/tr>
                    Quang \u0111i\u1ec7n<\/strong><\/td>Ph\u00e1t ra m\u1ed9t ch\u00f9m \u00e1nh s\u00e1ng v\u00e0 ph\u00e1t hi\u1ec7n s\u1ef1 ph\u1ea3n x\u1ea1 ho\u1eb7c s\u1ef1 gi\u00e1n \u0111o\u1ea1n c\u1ee7a ch\u00f9m \u00e1nh s\u00e1ng \u0111\u00f3.<\/td>H\u1ea7u h\u1ebft c\u00e1c v\u1eadt th\u1ec3 kh\u00f4ng trong su\u1ed1t.<\/td>Kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn xa, nhi\u1ec1u ch\u1ebf \u0111\u1ed9 linh ho\u1ea1t (ch\u1ebf \u0111\u1ed9 xuy\u00ean tia, v.v.).<\/td>Do \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00e0u s\u1eafc\/\u0111\u1ed9 ph\u1ea3n x\u1ea1 c\u1ee7a v\u1eadt th\u1ec3, th\u1ea5u k\u00ednh c\u00f3 th\u1ec3 b\u1ecb b\u00e1m b\u1ea9n.<\/td><\/tr>
                    Si\u00eau \u00e2m<\/strong><\/td>Ph\u00e1t ra m\u1ed9t xung \u00e2m thanh v\u00e0 \u0111o th\u1eddi gian truy\u1ec1n \u0111i c\u1ee7a ti\u1ebfng vang.<\/td>B\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 \u00e2m thanh, k\u1ec3 c\u1ea3 c\u00e1c v\u1eadt th\u1ec3 trong su\u1ed1t.<\/td>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00e0u s\u1eafc\/\u0111\u1ed9 trong su\u1ed1t, cho ph\u00e9p \u0111o kho\u1ea3ng c\u00e1ch.<\/td>Th\u1eddi gian ph\u1ea3n h\u1ed3i ch\u1eadm h\u01a1n, c\u00f3 v\u00f9ng m\u00f9, hi\u1ec7u qu\u1ea3 k\u00e9m khi x\u1eed l\u00fd v\u1eadt li\u1ec7u m\u1ec1m.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                    \u1ee8ng d\u1ee5ng c\u1ea3m bi\u1ebfn \u0111\u1ec3 th\u00fac \u0111\u1ea9y t\u1ef1 \u0111\u1ed9ng h\u00f3a trong ng\u00e0nh s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n

                    C\u00e1c c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t l\u00e0 nh\u1eefng b\u01b0\u1edbc c\u01a1 b\u1ea3n c\u1ee7a qu\u00e1 tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a. H\u00e0ng tr\u0103m c\u1ea3m bi\u1ebfn n\u00e0y tr\u00ean m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c quy tr\u00ecnh v\u1eadn h\u00e0nh tr\u01a1n tru, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t c\u00f3 th\u1ec3. Vi\u1ec7c x\u00e1c minh v\u1ecb tr\u00ed c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i tr\u00ean m\u00e1y m\u00f3c, k\u1eb9p v\u00e0 gi\u00e1 \u0111\u1ee1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn t\u1eeb t\u00ednh. Ti\u1ebfp t\u1ee5c v\u1edbi v\u00ed d\u1ee5 tr\u00ean, m\u1ed9t c\u1ea3m bi\u1ebfn s\u1ebd b\u00e1o hi\u1ec7u cho c\u00e1nh tay robot bi\u1ebft r\u1eb1ng khung kim lo\u1ea1i \u0111\u00e3 \u1edf \u0111\u00fang v\u1ecb tr\u00ed tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u h\u00e0n. Tr\u00ean h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i, vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ebfm c\u00e1c v\u1eadt th\u1ec3 l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00e0 c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho m\u1ee5c \u0111\u00edch n\u00e0y; c\u1ea3m bi\u1ebfn ch\u00f9m xuy\u00ean c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i chai \u0111\u1ec1u \u0111i qua v\u00e0 c\u1ea3m bi\u1ebfn khu\u1ebfch t\u00e1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u00e3n \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00e1n l\u00ean h\u1ed9p. Ph\u1ea3n h\u1ed3i li\u00ean t\u1ee5c nh\u01b0 v\u1eady gi\u00fap vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n tr\u1edf n\u00ean ch\u00ednh x\u00e1c, s\u1ed1 l\u01b0\u1ee3ng l\u1ed7i \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u v\u00e0 n\u0103ng su\u1ea5t \u0111\u1ea1t m\u1ee9c c\u1ef1c cao.<\/p>\n\n\n\n

                    N\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n

                    Tuy nhi\u00ean, ngo\u00e0i khu v\u1ef1c nh\u00e0 m\u00e1y, c\u00e1c c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch c\u00f2n l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a nh\u1eefng thi\u1ebft b\u1ecb m\u00e0 ch\u00fang ta \u0111\u1ec1u s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y. H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u quen thu\u1ed9c v\u1edbi lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u00f3 l\u00e0 c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch h\u1ed3ng ngo\u1ea1i (IR) trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u1ee7a b\u1ea1n. Khi b\u1ea1n k\u1eb9p \u0111i\u1ec7n tho\u1ea1i v\u00e0o tai \u0111\u1ec3 n\u00f3i chuy\u1ec7n, m\u00e0n h\u00ecnh s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1eaft \u0111\u1ec3 tr\u00e1nh ti\u1ebfp x\u00fac kh\u00f4ng mong mu\u1ed1n v\u1edbi da m\u1eb7t c\u0169ng nh\u01b0 ti\u1ebft ki\u1ec7m pin. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd m\u1ed9t \u0111\u00e8n LED h\u1ed3ng ngo\u1ea1i nh\u1ecf ph\u00e1t ra ch\u00f9m tia h\u1ed3ng ngo\u1ea1i v\u00f4 h\u00ecnh v\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng \u0111\u1ecdc ph\u1ea3n x\u1ea1 c\u1ee7a ch\u00f9m tia \u0111\u00f3. Khi khu\u00f4n m\u1eb7t b\u1ea1n \u1edf g\u1ea7n, c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 r\u1ea5t cao, khi\u1ebfn ph\u1ea7n m\u1ec1m t\u1eaft m\u00e0n h\u00ecnh v\u00e0 m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng. S\u1ef1 t\u01b0\u01a1ng t\u00e1c m\u01b0\u1ee3t m\u00e0, d\u1ec5 d\u00e0ng nh\u01b0 v\u1eady l\u00e0 m\u1ed9t v\u00ed d\u1ee5 ho\u00e0n h\u1ea3o v\u1ec1 c\u00e1ch c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng th\u00f4ng minh v\u00e0 t\u1ef1 nhi\u00ean h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng Android v\u00e0 di \u0111\u1ed9ng.<\/p>\n\n\n\n

                    N\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n b\u1eb1ng c\u1ea3m bi\u1ebfn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4<\/h2>\n\n\n\n

                    C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, v\u1edbi ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 n\u00e2ng cao an to\u00e0n cho xe v\u00e0 s\u1ef1 ti\u1ec7n l\u1ee3i cho ng\u01b0\u1eddi l\u00e1i. Ti\u1ebfng b\u00edp quen thu\u1ed9c c\u1ee7a h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u1ed7 xe ch\u00ednh l\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u1ea3n xe. C\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y ph\u00e1t ra c\u00e1c xung \u00e2m thanh khi xe l\u00f9i. \u00c2m thanh s\u1ebd d\u1ed9i l\u1ea1i khi c\u00f3 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt nh\u01b0 xe kh\u00e1c, l\u1ec1 \u0111\u01b0\u1eddng ho\u1eb7c ng\u01b0\u1eddi \u0111i b\u1ed9 \u1edf ph\u00eda sau xe. B\u1eb1ng c\u00e1ch t\u00ednh to\u00e1n th\u1eddi gian truy\u1ec1n \u00e2m, h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch \u0111\u1ebfn ch\u01b0\u1edbng ng\u1ea1i v\u1eadt v\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y th\u00e0nh t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0\/ho\u1eb7c t\u00edn hi\u1ec7u h\u00ecnh \u1ea3nh \u0111\u1ec3 th\u00f4ng b\u00e1o cho ng\u01b0\u1eddi l\u00e1i. \u0110\u1ed1i t\u01b0\u1ee3ng c\u00e0ng g\u1ea7n, ti\u1ebfng b\u00edp s\u1ebd c\u00e0ng d\u1ed3n d\u1eadp. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed7 xe kh\u00f4ng th\u00e0nh c\u00f4ng \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p v\u00e0 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed7 xe t\u1ef1 \u0111\u1ed9ng v\u00e0 h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 ng\u01b0\u1eddi l\u00e1i (ADAS) ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n

                    \"C\u1ea3m<\/figure>\n\n\n\n

                    C\u00e1ch ch\u1ecdn c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n

                    Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn ph\u00f9 h\u1ee3p t\u1eeb h\u00e0ng ngh\u00ecn m\u1eabu s\u1ea3n ph\u1ea9m hi\u1ec7n c\u00f3 l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt quan tr\u1ecdng. \u0110\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c, c\u1ea7n ph\u1ea3i \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng. K\u1ef9 s\u01b0 ho\u1eb7c k\u1ef9 thu\u1eadt vi\u00ean n\u00ean tu\u00e2n theo m\u1ed9t quy tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh r\u00f5 r\u00e0ng:<\/p>\n\n\n\n

                      \n
                    • X\u00e1c \u0111\u1ecbnh v\u1eadt li\u1ec7u m\u1ee5c ti\u00eau<\/strong>: V\u1eadt c\u1ea7n ph\u00e1t hi\u1ec7n c\u00f3 ph\u1ea3i l\u00e0 kim lo\u1ea1i kh\u00f4ng? N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3, th\u00ec c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn b\u1ec1n b\u1ec9 v\u00e0 ti\u1ebft ki\u1ec7m nh\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p v\u1eadt c\u1ea7n ph\u00e1t hi\u1ec7n l\u00e0 phi kim lo\u1ea1i, ch\u1ea5t l\u1ecfng ho\u1eb7c b\u1ed9t, th\u00ec c\u1ea7n s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn \u0111i\u1ec7n dung, quang \u0111i\u1ec7n ho\u1eb7c si\u00eau \u00e2m.<\/li>\n\n\n\n
                    • c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1eeb xa.<\/strong>: C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng v\u00e0 c\u1ea3m bi\u1ebfn \u0111i\u1ec7n dung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi kho\u1ea3ng c\u00e1ch \u0111o ng\u1eafn (v\u00e0i milim\u00e9t). C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t khi c\u1ea7n \u0111o c\u00e1c kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n, t\u1eeb v\u00e0i centim\u00e9t \u0111\u1ebfn nhi\u1ec1u m\u00e9t. C\u1ea3m bi\u1ebfn si\u00eau \u00e2m n\u1eb1m \u1edf kho\u1ea3ng gi\u1eefa, ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi t\u1eeb v\u00e0i centim\u00e9t \u0111\u1ebfn v\u00e0i m\u00e9t.<\/li>\n\n\n\n
                    • Ph\u00e2n t\u00edch m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/strong>: C\u1ea3m bi\u1ebfn c\u00f3 ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi b\u1ee5i, n\u01b0\u1edbc, d\u1ea7u ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng? C\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t b\u1ec1n b\u1ec9 trong m\u00f4i tr\u01b0\u1eddng b\u1ea9n v\u00e0 nhi\u1ec1u b\u1ee5i b\u1ea9n. \u1ed0ng k\u00ednh c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi b\u1ecb che khu\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 nhi\u1ec1u b\u1ee5i ho\u1eb7c h\u01a1i n\u01b0\u1edbc.<\/li>\n\n\n\n
                    • Xem x\u00e9t c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u1ee5c ti\u00eau<\/strong>: Ngo\u00e0i ch\u1ea5t li\u1ec7u, c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c c\u0169ng r\u1ea5t quan tr\u1ecdng. M\u1ee5c ti\u00eau c\u00f3 trong su\u1ed1t nh\u01b0 m\u1ed9t chai th\u1ee7y tinh kh\u00f4ng? N\u00ean s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c ho\u1eb7c c\u1ea3m bi\u1ebfn si\u00eau \u00e2m. M\u1ee5c ti\u00eau c\u00f3 m\u00e0u s\u1eafc kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t kh\u00f4ng? C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n khu\u1ebfch t\u00e1n s\u1ebd k\u00e9m tin c\u1eady h\u01a1n so v\u1edbi c\u1ea3m bi\u1ebfn si\u00eau \u00e2m, v\u1ed1n kh\u00f4ng ph\u00e2n bi\u1ec7t m\u00e0u s\u1eafc.<\/li>\n\n\n\n
                    • \u0110\u00e1nh gi\u00e1 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/strong>: Khi c\u1ea7n m\u1ed9t con s\u1ed1 ch\u00ednh x\u00e1c trong vi\u1ec7c \u0111\u1ebfm ho\u1eb7c \u0111\u1ecbnh v\u1ecb v\u00e0 t\u1ed1c \u0111\u1ed9 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, c\u1ea7n ph\u1ea3i k\u1ebft h\u1ee3p th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh c\u1ee7a c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb v\u00e0 c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n. Trong nh\u1eefng \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao trong vi\u1ec7c \u0111o kho\u1ea3ng c\u00e1ch, c\u1ea3m bi\u1ebfn si\u00eau \u00e2m ho\u1eb7c c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n laser chuy\u00ean d\u1ee5ng s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n\n\n\n

                      T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch trong l\u0129nh v\u1ef1c robot v\u00e0 IoT<\/h2>\n\n\n\n

                      Ch\u1ee9c n\u0103ng c\u1ee7a c\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. Ch\u00fang \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong l\u0129nh v\u1ef1c IoT v\u00e0 robot. \u0110\u1ed1i v\u1edbi c\u00e1c robot h\u1ee3p t\u00e1c (\u201ccobot\u201d) hi\u1ec7n nay \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong c\u00f9ng kh\u00f4ng gian v\u1edbi con ng\u01b0\u1eddi, ng\u01b0\u1eddi ta d\u1ef1a v\u00e0o m\u1ed9t b\u1ed9 c\u1ea3m bi\u1ebfn ti\u00ean ti\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng b\u1ea3o v\u1ec7 \u1ea3o, gi\u00fap gi\u1ea3m ho\u1eb7c d\u1eebng t\u1ed1c \u0111\u1ed9 c\u1ee7a robot khi con ng\u01b0\u1eddi \u0111\u1ebfn qu\u00e1 g\u1ea7n. C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch l\u00e0 c\u00e1c thi\u1ebft b\u1ecb thu th\u1eadp d\u1eef li\u1ec7u quan tr\u1ecdng nh\u1ea5t trong m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng l\u1edbn c\u1ee7a IoT. Ch\u00fang gi\u00fap c\u00e1c t\u00f2a nh\u00e0 th\u00f4ng minh x\u00e1c \u0111\u1ecbnh ai \u0111ang c\u00f3 m\u1eb7t trong ph\u00f2ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00e1nh s\u00e1ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, c\u00e1c h\u1ec7 th\u1ed1ng n\u00f4ng nghi\u1ec7p th\u00f4ng minh ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 \u0111\u1ea7y c\u1ee7a th\u00f9ng ch\u1ee9a ng\u0169 c\u1ed1c, v\u00e0 c\u00e1c doanh nghi\u1ec7p logistics theo d\u00f5i c\u00e1c g\u00f3i h\u00e0ng di chuy\u1ec3n qua kho h\u00e0ng. V\u1edbi k\u00edch th\u01b0\u1edbc ng\u00e0y c\u00e0ng thu nh\u1ecf c\u00f9ng hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i ng\u00e0y c\u00e0ng cao (s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y), kh\u1ea3 n\u0103ng cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf th\u00e0nh \u0111\u1ed9ng l\u1ef1c \u0111\u1ed5i m\u1edbi th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ebf h\u1ec7 h\u1ec7 th\u1ed1ng th\u00f4ng minh, k\u1ebft n\u1ed1i ti\u1ebfp theo.<\/p>","protected":false},"excerpt":{"rendered":"

                      Trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay, c\u00f3 h\u00e0ng t\u1ef7 quy tr\u00ecnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi nh\u1eefng b\u1ed9 ph\u1eadn \u1ea9n gi\u1ea5u v\u00e0 trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn ra. D\u00f9 \u0111\u00f3 l\u00e0 nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng ph\u1ee9c t\u1ea1p tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t trong nh\u00e0 m\u00e1y hay m\u00e0n h\u00ecnh \u0111i\u1ec7n tho\u1ea1i \u0111\u01a1n gi\u1ea3n m\u1edd d\u1ea7n khi c\u00f3 cu\u1ed9c g\u1ecdi \u0111\u1ebfn, ch\u00ednh c\u00e1c c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn l\u00e0 y\u1ebfu t\u1ed1 gi\u00fap hi\u1ec7n th\u1ef1c h\u00f3a t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 thi\u1ebft k\u1ebf th\u00f4ng minh [\u2026]<\/p>","protected":false},"author":4,"featured_media":7488,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"How Do Proximity Sensors Work? Applications in Industries","_seopress_titles_desc":"Discover how do proximity sensors work in various industries. Find out what's a proximity sensor and its key applications in our latest blog post!","_seopress_robots_index":"","footnotes":""},"categories":[46],"tags":[],"class_list":["post-7478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-control"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/7478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/comments?post=7478"}],"version-history":[{"count":3,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/7478\/revisions"}],"predecessor-version":[{"id":8796,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/7478\/revisions\/8796"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/7488"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=7478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=7478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=7478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}