{"id":9876,"date":"2026-01-28T06:27:13","date_gmt":"2026-01-28T06:27:13","guid":{"rendered":"https:\/\/www.omch.com\/?p=9876"},"modified":"2026-01-28T06:27:15","modified_gmt":"2026-01-28T06:27:15","slug":"what-is-photoelectric-sensor","status":"publish","type":"post","link":"https:\/\/www.omch.com\/vi\/what-is-photoelectric-sensor\/","title":{"rendered":"C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 g\u00ec: Nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n b\u1ea1n c\u1ea7n bi\u1ebft"},"content":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng v\u00e0o n\u0103m 2026, kh\u1ea3 n\u0103ng \u201cnh\u00ecn\u201d v\u00e0 \u201cc\u1ea3m nh\u1eadn\u201d m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c ch\u00ednh l\u00e0 tr\u00e1i tim c\u1ee7a b\u1ea5t k\u1ef3 nh\u00e0 m\u00e1y th\u00f4ng minh n\u00e0o. D\u00f9 \u0111\u00f3 l\u00e0 d\u00e2y chuy\u1ec1n \u0111\u00f3ng g\u00f3i t\u1ed1c \u0111\u1ed9 cao \u1edf Munich hay d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p b\u00e1n d\u1eabn ch\u00ednh x\u00e1c \u1edf Th\u00e2m Quy\u1ebfn, c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 \u0111a n\u0103ng nh\u1ea5t trong b\u1ed9 c\u00f4ng c\u1ee5 c\u1ee7a c\u00e1c k\u1ef9 s\u01b0, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n\n\n\n<p>Nh\u01b0ng c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n ch\u00ednh x\u00e1c l\u00e0 g\u00ec, v\u00e0 b\u1ea1n s\u1ebd l\u00e0m g\u00ec khi ph\u1ea3i l\u1ef1a ch\u1ecdn trong h\u00e0ng ngh\u00ecn s\u1ea3n ph\u1ea9m \u0111\u1ec3 t\u00ecm ra s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p nh\u1ea5t? T\u00e0i li\u1ec7u tham kh\u1ea3o n\u00e0y l\u00e0 m\u1ed9t cu\u1ed9c kh\u00e1m ph\u00e1 to\u00e0n di\u1ec7n v\u00e0 s\u00e2u s\u1eafc v\u1ec1 c\u00f4ng ngh\u1ec7, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 c\u00e1c ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn t\u1ea1o n\u00ean s\u1ef1 xu\u1ea5t s\u1eafc trong ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt l\u00fd \u00e1nh s\u00e1ng: C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n<\/h2>\n\n\n\n<p>\u1ede d\u1ea1ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t, c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd ph\u00e1t v\u00e0 thu nh\u1eadn \u00e1nh s\u00e1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n ho\u1eb7c v\u1eafng m\u1eb7t c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3, c\u0169ng nh\u01b0 kho\u1ea3ng c\u00e1ch \u0111\u1ebfn v\u1eadt th\u1ec3 \u0111\u00f3.<\/p>\n\n\n\n<p>C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a c\u1ea3m bi\u1ebfn c\u1ea3m \u1ee9ng t\u1eeb ho\u1eb7c c\u1ea3m bi\u1ebfn \u0111i\u1ec7n dung, v\u1ed1n b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi b\u1ea3n ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u (kim lo\u1ea1i ho\u1eb7c v\u1eadt li\u1ec7u c\u00f3 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i cao) v\u00e0 kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn ng\u1eafn. Ng\u01b0\u1ee3c l\u1ea1i, c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n t\u1eadn d\u1ee5ng c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a photon \u0111\u1ec3 m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn t\u1eeb v\u00e0i milim\u00e9t \u0111\u1ebfn h\u01a1n 100 m\u00e9t.<\/p>\n\n\n\n<p><strong>Ba tr\u1ee5 c\u1ed9t c\u1ee7a c\u1ea3m bi\u1ebfn<\/strong><\/p>\n\n\n\n<p>T\u1ea5t c\u1ea3 c\u00e1c c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n \u0111\u1ec1u bao g\u1ed3m ba th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>B\u1ed9 ph\u00e1t:<\/strong> Th\u01b0\u1eddng l\u00e0 m\u1ed9t \u0111i-\u1ed1t ph\u00e1t quang (LED) ho\u1eb7c m\u1ed9t \u0111i-\u1ed1t laser. Thi\u1ebft b\u1ecb n\u00e0y t\u1ea1o ra m\u1ed9t ch\u00f9m s\u00e1ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf \u2013 ph\u00e1t xung \u1edf m\u1ed9t t\u1ea7n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 l\u00e0m cho n\u00f3 n\u1ed5i b\u1eadt so v\u1edbi \u00e1nh s\u00e1ng n\u1ec1n (\u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi ho\u1eb7c \u0111\u00e8n nh\u00e0 x\u01b0\u1edfng tr\u00ean tr\u1ea7n).<\/li>\n\n\n\n<li><strong>Ng\u01b0\u1eddi nh\u1eadn:<\/strong> M\u1ed9t phototransistor ho\u1eb7c photodiode c\u00f3 ch\u1ee9c n\u0103ng qu\u00e9t \u00e1nh s\u00e1ng \u1edf t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3 do b\u1ed9 ph\u00e1t ph\u00e1t ra. Khi ph\u00e1t hi\u1ec7n th\u1ea5y \u00e1nh s\u00e1ng (ho\u1eb7c kh\u00f4ng c\u00f3 \u00e1nh s\u00e1ng), n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t t\u00edn hi\u1ec7u \u0111i\u1ec7n nh\u1ecf.<\/li>\n\n\n\n<li><strong>M\u1ea1ch \u0111\u00e1nh gi\u00e1:<\/strong> \u0110\u00e2y ch\u00ednh l\u00e0 \u201cb\u1ed9 n\u00e3o\u201d c\u00f3 ch\u1ee9c n\u0103ng khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u v\u00e0 k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u \u0111\u1ea7u ra, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00f4ng t\u1eafc b\u00f3ng b\u00e1n d\u1eabn PNP ho\u1eb7c NPN, \u0111\u1ec3 th\u00f4ng b\u00e1o cho PLC (B\u1ed9 \u0111i\u1ec1u khi\u1ec3n logic l\u1eadp tr\u00ecnh) r\u1eb1ng \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor1.webp\" alt=\"C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 g\u00ec?\" class=\"wp-image-9872\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor1.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor1-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor1-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor1-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 n\u00e0y t\u1eadn d\u1ee5ng <strong>Hi\u1ec7u \u1ee9ng quang \u0111i\u1ec7n n\u1ed9i t\u1ea1i<\/strong> b\u00ean trong m\u1ed9t photodiode. Khi b\u1ed9 thu b\u1eaft \u0111\u01b0\u1ee3c t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3 c\u1ee7a <strong>ch\u00f9m \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf<\/strong>, n\u00f3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c photon th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf nhi\u1ec5u t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh. Trong l\u0129nh v\u1ef1c c\u1ea3m bi\u1ebfn c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, ch\u00fang ta quan t\u00e2m \u0111\u1ebfn c\u00e1ch \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau ph\u1ea3n \u1ee9ng v\u1edbi ch\u00f9m \u00e1nh s\u00e1ng n\u00e0y \u2014 li\u1ec7u n\u00f3 c\u00f3 l\u00e0m ch\u00f9m \u00e1nh s\u00e1ng \u0111\u00f3 b\u1ecb gi\u00e1n \u0111o\u1ea1n, ph\u1ea3n x\u1ea1 hay t\u00e1n x\u1ea1 hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u1eafm v\u1eefng ba ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh c\u1ea3m bi\u1ebfn ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n<p>Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n ch\u00ednh l\u00e0 r\u1ea5t quan tr\u1ecdng, b\u1edfi kho\u1ea3ng 80% t\u1ed5ng s\u1ed1 t\u00e1c v\u1ee5 c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb n\u00e0y. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n c\u1ee5 th\u1ec3 gi\u00fap c\u00e1c k\u1ef9 s\u01b0 t\u1ed1i \u01b0u h\u00f3a v\u1ec1 m\u1eb7t chi ph\u00ed v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 xuy\u00ean ch\u00f9m (ch\u1ebf \u0111\u1ed9 \u0111\u1ed1i di\u1ec7n)<\/strong><\/li>\n<\/ol>\n\n\n\n<p>B\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu \u0111\u01b0\u1ee3c \u0111\u1eb7t trong hai thi\u1ebft b\u1ecb kh\u00e1c nhau, n\u1eb1m \u0111\u1ed1i di\u1ec7n tr\u1ef1c ti\u1ebfp v\u1edbi nhau.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong> B\u1ed9 ph\u00e1t g\u1eedi m\u1ed9t ch\u00f9m tia li\u00ean t\u1ee5c \u0111\u1ebfn b\u1ed9 thu. C\u1ea3m bi\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi c\u00f3 v\u1eadt th\u1ec3 \u201cc\u1ea3n\u201d ch\u00f9m tia n\u00e0y.<\/li>\n\n\n\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> Ph\u1ea1m vi c\u1ea3m bi\u1ebfn xa nh\u1ea5t (l\u00ean \u0111\u1ebfn 100m+), \u0111\u1ed9 tin c\u1eady cao v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng b\u1ea9n, n\u01a1i b\u1ee5i c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf c\u00e1c t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 y\u1ebfu.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Vi\u1ec7c n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111i d\u00e2y \u1edf c\u1ea3 hai ph\u00eda c\u1ee7a \u1ee9ng d\u1ee5ng, khi\u1ebfn cho vi\u1ec7c l\u1eafp \u0111\u1eb7t tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 ph\u1ea3n quang<\/strong><\/li>\n<\/ol>\n\n\n\n<p>C\u1ea3 b\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t chung trong c\u00f9ng m\u1ed9t v\u1ecf, v\u00e0 m\u1ed9t b\u1ed9 ph\u1ea3n x\u1ea1 ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u1ed1i di\u1ec7n v\u1edbi c\u1ea3m bi\u1ebfn.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong> \u00c1nh s\u00e1ng truy\u1ec1n \u0111\u1ebfn g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 v\u00e0 quay tr\u1edf l\u1ea1i b\u1ed9 thu. Khi ch\u00f9m s\u00e1ng \u0111i v\u00e0 v\u1ec1 n\u00e0y b\u1ecb m\u1ed9t v\u1eadt c\u1ea3n ch\u1eb7n l\u1ea1i, v\u1eadt \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/li>\n\n\n\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> Ch\u1ec9 c\u1ea7n n\u1ed1i d\u00e2y \u1edf m\u1ed9t b\u00ean. Lo\u1ea1i n\u00e0y c\u0169ng r\u1ebb h\u01a1n so v\u1edbi lo\u1ea1i tia xuy\u00ean qua \u1edf kho\u1ea3ng c\u00e1ch trung b\u00ecnh.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> C\u00f3 th\u1ec3 b\u1ecb \u0111\u00e1nh l\u1eeba b\u1edfi c\u00e1c v\u1eadt th\u1ec3 s\u00e1ng b\u00f3ng (nh\u01b0 m\u1ed9t chi\u1ebfc lon kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng) ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng tr\u1edf l\u1ea1i c\u1ea3m bi\u1ebfn, t\u1ea1o hi\u1ec7u \u1ee9ng gi\u1ed1ng nh\u01b0 t\u1ea5m ph\u1ea3n x\u1ea1. (L\u01b0u \u00fd: S\u1eed d\u1ee5ng m\u1ed9t <strong>b\u1ecb ph\u00e2n c\u1ef1c<\/strong> (phi\u00ean b\u1ea3n n\u00e0y \u0111\u00e3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 n\u00e0y).<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 khu\u1ebfch t\u00e1n (c\u1eadn c\u1ea3nh)<\/strong><\/li>\n<\/ol>\n\n\n\n<p>B\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t chung trong c\u00f9ng m\u1ed9t v\u1ecf, v\u00e0 \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c ph\u1ea3n x\u1ea1 t\u1eeb v\u1eadt th\u1ec3 m\u1ee5c ti\u00eau.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong> C\u1ea3m bi\u1ebfn ph\u00e1t ra \u00e1nh s\u00e1ng; n\u1ebfu c\u00f3 v\u1eadt th\u1ec3 di chuy\u1ec3n qua tr\u01b0\u1edbc c\u1ea3m bi\u1ebfn, \u00e1nh s\u00e1ng s\u1ebd ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i b\u1ed9 thu.<\/li>\n\n\n\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> D\u1ec5 l\u1eafp \u0111\u1eb7t nh\u1ea5t. Kh\u00f4ng c\u1ea7n g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 hay b\u1ed9 thu t\u00edn hi\u1ec7u ri\u00eang.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ph\u1ea1m vi ph\u00e1t hi\u1ec7n ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u00e0u s\u1eafc, ch\u1ea5t li\u1ec7u v\u00e0 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt th\u1ec3. M\u1ed9t chi\u1ebfc l\u1ed1p cao su m\u00e0u \u0111en s\u1ebd kh\u00f3 nh\u1eadn ra h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ed9t chi\u1ebfc h\u1ed9p m\u00e0u tr\u1eafng l\u00e0m b\u1eb1ng b\u00eca c\u1ee9ng.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor2.webp\" alt=\"C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 g\u00ec?\" class=\"wp-image-9873\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor2.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor2-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor2-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor2-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">V\u01b0\u1ee3t ra ngo\u00e0i nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n: C\u00e1c ch\u1ebf \u0111\u1ed9 chuy\u00ean d\u1ee5ng cho m\u00f4i tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p<\/h2>\n\n\n\n<p>C\u00e1c ch\u1ebf \u0111\u1ed9 ti\u00eau chu\u1ea9n \u0111\u00f4i khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 khi m\u00f4i tr\u01b0\u1eddng tr\u1edf n\u00ean \u201c\u1ed3n \u00e0o\u201d ho\u1eb7c m\u1ee5c ti\u00eau l\u00e0 \u201ckh\u00f3 kh\u0103n\u201d. \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng \u201ctr\u01b0\u1eddng h\u1ee3p ngo\u1ea1i l\u1ec7\u201d v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt n\u00e0y, c\u00e1c ch\u1ebf \u0111\u1ed9 ph\u00e1i sinh chuy\u00ean d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/strong><strong> \u0110\u1ecbnh v\u1ecb m\u1ee5c ti\u00eau: Ch\u00f9m tia h\u1ed9i t\u1ee5 &amp; BGS<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>Ch\u00f9m tia h\u1ed9i t\u1ee5 (ti\u00eau \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh):<\/strong> Kh\u00e1c v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn khu\u1ebfch t\u00e1n ti\u00eau chu\u1ea9n ph\u00e1t ra ch\u00f9m s\u00e1ng h\u00ecnh n\u00f3n ph\u00e2n k\u1ef3, c\u1ea3m bi\u1ebfn ch\u00f9m s\u00e1ng h\u1ed9i t\u1ee5 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng th\u1ea5u k\u00ednh b\u00ean trong \u0111\u1ec3 h\u1ed9i t\u1ee5 \u00e1nh s\u00e1ng v\u00e0o m\u1ed9t \u201c\u0111i\u1ec3m t\u1ed1i \u01b0u\u201d c\u1ef1c nh\u1ecf, c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao \u1edf m\u1ed9t kho\u1ea3ng c\u00e1ch c\u1ed1 \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u1ea3m bi\u1ebfn ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 c\u1ef1c k\u1ef3 nh\u1ecf (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t s\u1ee3i d\u00e2y m\u1ecfng) v\u00e0 b\u1ecf qua b\u1ea5t k\u1ef3 v\u1eadt th\u1ec3 n\u00e0o \u1edf n\u1ec1n ph\u00eda sau, ch\u1ec9 c\u00e1ch \u0111i\u1ec3m ti\u00eau c\u1ef1 v\u00e0i milim\u00e9t.<\/p>\n\n\n\n<p><strong>Kh\u1eed n\u1ec1n (BGS):<\/strong> C\u1ea3m bi\u1ebfn khu\u1ebfch t\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. BGS s\u1eed d\u1ee5ng <strong>C\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p tam gi\u00e1c<\/strong>. Thay v\u00ec ch\u1ec9 \u0111o l\u01b0\u1eddng <em>s\u1ed1 ti\u1ec1n<\/em> khi \u00e1nh s\u00e1ng quay tr\u1edf l\u1ea1i, n\u00f3 \u0111o \u0111\u01b0\u1ee3c <em>g\u00f3c<\/em> c\u1ee7a ch\u00f9m tia ph\u1ea3n x\u1ea1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn v\u1ecb tr\u00ed (PSD) ho\u1eb7c m\u1ea3ng CMOS.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1ea5n \u0111\u1ec1 m\u00e0 n\u00f3 gi\u1ea3i quy\u1ebft:<\/strong> C\u00e1c c\u1ea3m bi\u1ebfn khu\u1ebfch t\u00e1n truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng b\u1ecb m\u00e0u s\u1eafc \u0111\u00e1nh l\u1eeba \u2014 m\u1ed9t b\u1ee9c t\u01b0\u1eddng tr\u1eafng \u1edf xa c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t v\u1eadt th\u1ec3 m\u00e0u \u0111en \u1edf g\u1ea7n.<\/li>\n\n\n\n<li><strong>L\u1ee3i th\u1ebf c\u1ee7a BGS:<\/strong> N\u00f3 \u201cnh\u1eadn bi\u1ebft\u201d kho\u1ea3ng c\u00e1ch, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u00e0u s\u1eafc. M\u1ed9t v\u1eadt th\u1ec3 b\u1eb1ng cao su m\u00e0u \u0111en n\u1eb1m tr\u00ean b\u0103ng t\u1ea3i kim lo\u1ea1i b\u00f3ng lo\u00e1ng r\u1ea5t d\u1ec5 nh\u1eadn ra, v\u00ec c\u1ea3m bi\u1ebfn ch\u1ec9 b\u1ecf qua t\u1ea5t c\u1ea3 nh\u1eefng v\u1eadt th\u1ec3 n\u1eb1m ngo\u00e0i kho\u1ea3ng c\u00e1ch \u0111\u00e3 \u0111\u1ecbnh tr\u01b0\u1edbc.<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 kh\u1ea3 n\u0103ng quan s\u00e1t: FGS v\u00e0 ph\u00e1t hi\u1ec7n v\u1eadt th\u1ec3 r\u00f5 n\u00e9t<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>Kh\u1eed nhi\u1ec5u n\u1ec1n tr\u01b0\u1edbc (FGS):<\/strong> FGS l\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi BGS. H\u1ec7 th\u1ed1ng n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu c\u1ed1 \u0111\u1ecbnh (ch\u1eb3ng h\u1ea1n nh\u01b0 b\u0103ng t\u1ea3i). Khi \u0111\u1ed1i t\u01b0\u1ee3ng qu\u00e1 m\u1ecfng, qu\u00e1 t\u1ed1i ho\u1eb7c c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng m\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn, c\u1ea3m bi\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t do t\u00edn hi\u1ec7u t\u1eeb b\u0103ng t\u1ea3i b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng \u00e1n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean khi c\u1ea7n ph\u00e1t hi\u1ec7n c\u00e1c chi ti\u1ebft nh\u1ef1a ph\u1eb3ng, m\u00e0u \u0111en ho\u1eb7c c\u00e1c m\u00e0ng m\u1ecfng c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<p><strong>Ph\u00e1t hi\u1ec7n v\u1eadt th\u1ec3 r\u00f5 n\u00e9t:<\/strong> C\u00e1c c\u1ea3m bi\u1ebfn ti\u00eau chu\u1ea9n g\u1eb7p kh\u00f3 kh\u0103n khi ph\u00e1t hi\u1ec7n v\u1eadt li\u1ec7u th\u1ee7y tinh ho\u1eb7c PET v\u00ec \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 xuy\u00ean qua ch\u00fang. <strong>G\u00e2y tranh c\u00e3i <\/strong><strong>B\u1ed9 l\u1ecdc<\/strong> v\u00e0 c\u00e1c m\u1ea1ch \u0111i\u1ec7n c\u00f3 \u0111\u1ed9 nh\u1ea1y cao \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c c\u1ea3m bi\u1ebfn chuy\u00ean d\u1ee5ng d\u00e0nh cho v\u1eadt th\u1ec3 trong su\u1ed1t. Vi\u1ec7c ph\u00e2n t\u00edch nh\u1eefng thay \u0111\u1ed5i nh\u1ecf nh\u1ea5t v\u1ec1 ph\u00e2n c\u1ef1c v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng \u0111i qua v\u1eadt li\u1ec7u trong su\u1ed1t gi\u00fap mang l\u1ea1i k\u1ebft qu\u1ea3 \u0111\u1ebfm \u0111\u00e1ng tin c\u1eady 100% trong c\u00e1c d\u00e2y chuy\u1ec1n \u0111\u00f3ng chai v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Vi m\u00f4 h\u00f3a v\u00e0 <\/strong><strong>An to\u00e0n<\/strong><strong>: C\u1ea3m bi\u1ebfn s\u1ee3i quang v\u00e0 c\u1ea3m bi\u1ebfn di\u1ec7n t\u00edch<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>C\u1ea3m bi\u1ebfn s\u1ee3i quang:<\/strong> Nh\u1edd vi\u1ec7c t\u00e1ch bi\u1ec7t b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed (b\u1ed9 khu\u1ebfch \u0111\u1ea1i) v\u00e0 \u0111\u1ea7u d\u00f2 th\u00f4ng qua m\u1ed9t s\u1ee3i c\u00e1p quang linh ho\u1ea1t, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111\u1eb7t \u201ccon m\u1eaft\u201d n\u00e0y v\u00e0o nh\u1eefng kh\u00f4ng gian nh\u1ecf b\u00e9, ch\u1ec9 b\u1eb1ng \u0111\u1ea7u kim. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u00f2 nung b\u00e1n d\u1eabn ho\u1eb7c m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y n\u1ed5.<\/p>\n\n\n\n<p><strong>C\u1ea3m bi\u1ebfn v\u00f9ng (R\u00e8m \u00e1nh s\u00e1ng):<\/strong> Khi m\u1ed9t ch\u00f9m tia duy nh\u1ea5t l\u00e0 kh\u00f4ng \u0111\u1ee7, c\u1ea3m bi\u1ebfn di\u1ec7n t\u00edch s\u1ebd t\u1ea1o ra m\u1ed9t \u201cb\u1ee9c m\u00e0n \u00e1nh s\u00e1ng\u201d. Nh\u1edd c\u00f3 nhi\u1ec1u c\u1eb7p b\u1ed9 ph\u00e1t\/b\u1ed9 thu trong c\u00f9ng m\u1ed9t m\u1ea3ng, ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 r\u01a1i xu\u1ed1ng b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng 2D. C\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 an to\u00e0n v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c v\u1eadt th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng b\u1ea5t th\u01b0\u1eddng, v\u1ed1n c\u00f3 th\u1ec3 l\u1ecdt qua c\u1ea3m bi\u1ebfn \u0111i\u1ec3m \u0111\u01a1n l\u1ebb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn ngu\u1ed3n s\u00e1ng: H\u1ed3ng ngo\u1ea1i, \u0111\u00e8n LED \u0111\u1ecf v\u00e0 tia laser<\/h2>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn ngu\u1ed3n s\u00e1ng ph\u00f9 h\u1ee3p c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ebf \u0111\u1ed9 c\u1ea3m bi\u1ebfn.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Ngu\u1ed3n s\u00e1ng<\/td><td>Kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb<\/td><td>Ph\u1ea1m vi c\u1ea3m bi\u1ebfn<\/td><td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td><td>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/td><\/tr><tr><td>H\u1ed3ng ngo\u1ea1i (IR)<\/td><td>V\u00f4 h\u00ecnh<\/td><td>Cao<\/td><td>Trung b\u00ecnh<\/td><td>M\u00f4i tr\u01b0\u1eddng b\u1ea9n, nhu c\u1ea7u c\u00f4ng su\u1ea5t cao<\/td><\/tr><tr><td>\u0110\u00e8n LED m\u00e0u \u0111\u1ecf c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y<\/td><td>R\u00f5 r\u00e0ng<\/td><td>Trung b\u00ecnh<\/td><td>Trung b\u00ecnh<\/td><td>D\u00f9ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch, d\u1ec5 c\u0103n ch\u1ec9nh<\/td><\/tr><tr><td>Laser (Lo\u1ea1i 1\/2)<\/td><td>\u0110i\u1ec3m s\u00e1ng nh\u1ecf x\u00edu<\/td><td>C\u1ef1c \u0111oan<\/td><td>R\u1ea5t cao<\/td><td>C\u00e1c chi ti\u1ebft nh\u1ecf, \u0111\u1ed9 ch\u00ednh x\u00e1c \u1edf kho\u1ea3ng c\u00e1ch xa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn laser l\u00e0 lo\u1ea1i ch\u00ednh x\u00e1c nh\u1ea5t nh\u01b0ng gi\u00e1 th\u00e0nh l\u1ea1i cao h\u01a1n. Trong ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng th\u00f4ng d\u1ee5ng, m\u1ed9t <strong>M\u00e0u \u0111\u1ecf nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c <\/strong><strong>LED<\/strong> s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n v\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap k\u1ef9 thu\u1eadt vi\u00ean x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed m\u00e0 c\u1ea3m bi\u1ebfn h\u01b0\u1edbng t\u1edbi khi l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 m\u1ecdi k\u1ef9 s\u01b0 \u0111\u1ec1u ph\u1ea3i n\u1eafm r\u00f5<\/h2>\n\n\n\n<p>Khi so s\u00e1nh c\u00e1c b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u0111\u1eebng ch\u1ec9 ch\u00fa \u00fd \u0111\u1ebfn \u201cPh\u1ea1m vi c\u1ea3m bi\u1ebfn\u201d. \u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 ba th\u00f4ng s\u1ed1 sau \u0111\u00e2y:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 l\u1ee3i d\u01b0<\/strong><\/li>\n<\/ol>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u01b0\u1eddng b\u1ecb b\u1ecf qua nh\u1ea5t nh\u01b0ng l\u1ea1i r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea3m bi\u1ebfn l\u00e0 h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i d\u01b0. \u0110\u00e2y l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra t\u00edn hi\u1ec7u \u0111\u1ea7u ra.<\/p>\n\n\n\n<p><strong>C\u00f4ng th\u1ee9c: \u0110\u1ed9 l\u1ee3i d\u01b0 = N\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng nh\u1eadn \u0111\u01b0\u1ee3c \/ Ng\u01b0\u1ee1ng t\u1ed1i thi\u1ec3u<\/strong><\/p>\n\n\n\n<p>Trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng l\u00fd t\u01b0\u1edfng, s\u1ea1ch nh\u01b0 ph\u00f2ng th\u00ed nghi\u1ec7m, h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i 1,0 l\u00e0 \u0111\u1ee7. Tuy nhi\u00ean, m\u00f4i tr\u01b0\u1eddng nh\u00e0 m\u00e1y hi\u1ebfm khi ho\u00e0n h\u1ea3o. B\u1ee5i, h\u01a1i n\u01b0\u1edbc, s\u01b0\u01a1ng d\u1ea7u v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t b\u00e1m tr\u00ean th\u1ea5u k\u00ednh \u0111\u1ec1u s\u1ebd l\u00e0m suy gi\u1ea3m t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00f4i tr\u01b0\u1eddng s\u1ea1ch:<\/strong> M\u1ee9c l\u1ee3i nhu\u1eadn v\u01b0\u1ee3t m\u1ee9c l\u00e0 <strong>1,5 l\u1ea7n<\/strong> l\u00e0 \u0111\u1ee7.<\/li>\n\n\n\n<li><strong>H\u01a1i b\u1ea9n (B\u1ee5i nh\u1eb9\/\u0111\u1ed9 \u1ea9m nh\u1eb9):<\/strong> H\u00e3y h\u01b0\u1edbng t\u1edbi <strong>5x<\/strong> \u0111\u1ed9 l\u1ee3i d\u01b0.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t (kh\u00f3i d\u00e0y \u0111\u1eb7c, phun n\u01b0\u1edbc r\u1eeda ho\u1eb7c b\u1ee5i d\u00e0y \u0111\u1eb7c):<\/strong> B\u1ea1n n\u00ean t\u00ecm nh\u1eefng c\u1ea3m bi\u1ebfn c\u00f3 <strong>T\u1eeb 10 l\u1ea7n \u0111\u1ebfn 50 l\u1ea7n<\/strong> t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u v\u01b0\u1ee3t m\u1ee9c \u0111\u1ec3 \u201cv\u01b0\u1ee3t qua\u201d nhi\u1ec5u v\u00e0 tr\u00e1nh c\u00e1c t\u00edn hi\u1ec7u k\u00edch ho\u1ea1t sai.<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Th\u1eddi gian ph\u1ea3n h\u1ed3i<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 cao, s\u1ef1 ch\u00eanh l\u1ec7ch ch\u1ec9 v\u00e0i mili gi\u00e2y c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u1ed9t g\u00f3i h\u00e0ng c\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i \u0111\u00fang hay s\u1ebd x\u1ea3y ra va ch\u1ea1m. C\u00e1c c\u1ea3m bi\u1ebfn hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng c\u00f3 th\u1eddi gian ph\u1ea3n h\u1ed3i l\u00e0 <strong>0,5 ms \u0111\u1ebfn 2 ms<\/strong>.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u0110\u1ea7u ra<\/strong><strong> Lo\u1ea1i: <\/strong><strong>PNP<\/strong><strong> so v\u1edbi NPN<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PNP (Mua s\u1eafm):<\/strong> Lo\u1ea1i n\u00e0y r\u1ea5t ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2u \u00c2u v\u00e0 B\u1eafc M\u1ef9. C\u1ea3m bi\u1ebfn k\u1ebft n\u1ed1i t\u1ea3i v\u1edbi \u0111i\u1ec7n \u00e1p d\u01b0\u01a1ng.<\/li>\n\n\n\n<li><strong>NPN (lo\u1ea1i ch\u00ecm):<\/strong> Ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2u \u00c1. C\u1ea3m bi\u1ebfn n\u00e0y t\u1ea1o ra k\u1ebft n\u1ed1i gi\u1eefa t\u1ea3i v\u00e0 c\u1ef1c \u00e2m (\u0111\u1ea5t).<\/li>\n\n\n\n<li><em>L\u01b0u \u00fd: Hi\u1ec7n nay, nhi\u1ec1u c\u1ea3m bi\u1ebfn hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u cung c\u1ea5p c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111\u1ea7u ra \u201cT\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n\u201d ho\u1eb7c \u201cPush-Pull\u201d, c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u1ea3 hai ch\u1ebf \u0111\u1ed9 tr\u00ean.<\/em><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng trong ng\u00e0nh: Gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c trong l\u0129nh v\u1ef1c c\u1ea3m bi\u1ebfn trong th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<p>L\u00fd thuy\u1ebft th\u00ec g\u1ecdn g\u00e0ng, trong khi khu v\u1ef1c s\u1ea3n xu\u1ea5t th\u01b0\u1eddng b\u1eeba b\u1ed9n, \u1ed3n \u00e0o v\u00e0 kh\u00f3 ki\u1ec3m so\u00e1t. Th\u00e0nh c\u00f4ng trong t\u1ef1 \u0111\u1ed9ng h\u00f3a kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 vi\u1ec7c ch\u1ecdn m\u1ed9t c\u1ea3m bi\u1ebfn; m\u00e0 c\u00f2n l\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c nh\u1eefng \u201ckh\u00f3 kh\u0103n\u201d c\u1ee7a m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Th\u1ef1c ph\u1ea9m &amp; \u0110\u1ed3 u\u1ed1ng: Th\u00e1ch th\u1ee9c trong vi\u1ec7c r\u1eeda s\u1ea1ch<\/strong><\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn trong ng\u00e0nh n\u00e0y h\u00e0ng ng\u00e0y ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc n\u00f3ng, h\u01a1i n\u01b0\u1edbc v\u00e0 c\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 \u01b0a th\u00edch:<\/strong><strong>Ph\u00e2n c\u1ef1c v\u00e0 ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c<\/strong> ho\u1eb7c <strong>Ph\u00e1t hi\u1ec7n v\u1eadt th\u1ec3 r\u00f5 n\u00e9t<\/strong>.<\/li>\n\n\n\n<li><strong>B\u1ed1i c\u1ea3nh:<\/strong> Ph\u00e1t hi\u1ec7n chai PET trong su\u1ed1t ho\u1eb7c l\u1ecd th\u1ee7y tinh tr\u00ean b\u0103ng t\u1ea3i t\u1ed1c \u0111\u1ed9 cao.<\/li>\n\n\n\n<li><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 (Y\u1ebfu t\u1ed1 \u201cs\u01b0\u01a1ng m\u00f9\u201d):<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>V\u1ea5n \u0111\u1ec1:<\/em> H\u01a1i n\u01b0\u1edbc ho\u1eb7c h\u01a1i ng\u01b0ng t\u1ee5 khi\u1ebfn c\u1ea3m bi\u1ebfn \u201cnh\u1eadn di\u1ec7n\u201d m\u1ed9t v\u1eadt th\u1ec3 r\u1eafn trong khi th\u1ef1c t\u1ebf kh\u00f4ng c\u00f3 v\u1eadt th\u1ec3 n\u00e0o c\u1ea3.<\/li>\n\n\n\n<li><em>Gi\u1ea3i ph\u00e1p:<\/em> S\u1eed d\u1ee5ng c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 nh\u1ea1y cao <strong>\u0110\u1ed9 l\u1ee3i d\u01b0<\/strong> \u0111\u1ec3 \u201cxuy\u00ean qua\u201d l\u1edbp s\u01b0\u01a1ng m\u00f9. N\u1ebfu v\u1eabn x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng b\u00e1o \u0111\u1ed9ng sai, h\u00e3y ki\u1ec3m tra xem \u1ed1ng k\u00ednh c\u00f3 b\u1ecb m\u1edd s\u01b0\u01a1ng kh\u00f4ng \u2014 vi\u1ec7c n\u00e2ng c\u1ea5p l\u00ean c\u1ea3m bi\u1ebfn c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng s\u01b0\u01a1ng m\u00f9 chuy\u00ean d\u1ee5ng ho\u1eb7c \u1ed1ng k\u00ednh c\u00f3 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a OMCH:<\/strong> \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c trong qu\u00e1 tr\u00ecnh r\u1eeda tr\u00f4i n\u00e0y, d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c ph\u1ea9m c\u1ee7a OMCH \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t <strong>V\u1ecf b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c b\u1ecdc k\u00edn ho\u00e0n to\u00e0n theo ti\u00eau chu\u1ea9n IP69K<\/strong>, \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong ph\u1ea7n kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u1edf tr\u00ean s\u1ebd kh\u00f4ng bao gi\u1edd g\u00e2y h\u01b0 h\u1ecfng cho c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed b\u00ean trong.<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>B\u00e1n d\u1eabn &amp; \u0110i\u1ec7n t\u1eed: C\u00e1c <\/strong><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/strong><strong> Th\u1eed th\u00e1ch<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Khi ph\u1ea3i x\u1eed l\u00fd c\u00e1c linh ki\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng micron, vi\u1ec7c s\u1eed d\u1ee5ng ch\u00f9m tia c\u1ea3m bi\u1ebfn ti\u00eau chu\u1ea9n c\u0169ng gi\u1ed1ng nh\u01b0 c\u1ed1 g\u1eafng ph\u1eabu thu\u1eadt b\u1eb1ng m\u1ed9t chi\u1ebfc b\u00faa t\u1ea1 v\u1eady.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor3.webp\" alt=\"C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 g\u00ec?\" class=\"wp-image-9874\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor3.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor3-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor3-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor3-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 \u01b0a th\u00edch:<\/strong><strong>Ch\u00f9m tia laser h\u1ed9i t\u1ee5<\/strong> ho\u1eb7c <strong>S\u1ee3i quang<\/strong>.<\/li>\n\n\n\n<li><strong>B\u1ed1i c\u1ea3nh:<\/strong> Ph\u00e1t hi\u1ec7n m\u00e9p c\u1ee7a t\u1ea5m wafer silicon ho\u1eb7c s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t \u0111i\u1ec7n tr\u1edf c\u1ee1 0201.<\/li>\n\n\n\n<li><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 (Ph\u1ea7n \u201c<\/strong><strong>\u0110\u1ed9 dao \u0111\u1ed9ng<\/strong><strong>\u201d Y\u1ebfu t\u1ed1):<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>V\u1ea5n \u0111\u1ec1:<\/em> Nh\u1eefng rung \u0111\u1ed9ng nh\u1ecf trong m\u00e1y khi\u1ebfn \u0111\u1ea7u ra b\u1ecb \u201cchatter\u201d (b\u1eadt t\u1eaft li\u00ean t\u1ee5c).<\/li>\n\n\n\n<li><em>Gi\u1ea3i ph\u00e1p:<\/em> \u0110i\u1ec1u ch\u1ec9nh c\u1ea3m bi\u1ebfn <strong>Hi\u1ec7u \u1ee9ng tr\u1ec5<\/strong> ho\u1eb7c tri\u1ec3n khai m\u1ed9t d\u1ef1 \u00e1n nh\u1ecf <strong>B\u1ed9 h\u1eb9n gi\u1edd tr\u1ec5 t\u1eaft<\/strong> trong m\u1ea1ch logic PLC c\u1ee7a b\u1ea1n \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh t\u00edn hi\u1ec7u. \u0110\u1ea3m b\u1ea3o \u0111i\u1ec3m h\u1ed9i t\u1ee5 c\u1ee7a ch\u00f9m tia h\u1ed9i t\u1ee5 n\u1eb1m ch\u00ednh x\u00e1c tr\u00ean \u0111\u01b0\u1eddng \u0111i c\u1ee7a m\u1ee5c ti\u00eau.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>OMCH <\/strong><strong>Edge<\/strong><strong>:<\/strong> \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c kho\u1ea3ng tr\u1ed1ng c\u1ef1c k\u1ef3 h\u1eb9p, <strong>C\u1ea3m bi\u1ebfn s\u1ee3i quang OMCH<\/strong> mang l\u1ea1i \u0111\u1ed9 ch\u00ednh x\u00e1c \u201ct\u1eebng \u0111\u1ea7u kim\u201d. K\u1ec3 t\u1eeb n\u0103m 1986, ch\u00fang t\u00f4i \u0111\u00e3 kh\u00f4ng ng\u1eebng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c \u0111i-\u1ed1t laser nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 l\u1eb7p l\u1ea1i \u1edf m\u1ee9c micron \u2013 ti\u00eau chu\u1ea9n m\u00e0 h\u01a1n 72.000 kh\u00e1ch h\u00e0ng trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t c\u00f4ng ngh\u1ec7 cao tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111ang y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Logistics v\u00e0 Kho b\u00e3i: Th\u00e1ch th\u1ee9c v\u1ec1 quy m\u00f4<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Nh\u1eefng k\u1ebb th\u00f9 l\u1edbn nh\u1ea5t trong kho h\u00e0ng ch\u00ednh l\u00e0 kho\u1ea3ng c\u00e1ch, b\u1ee5i b\u1ea9n v\u00e0 h\u00ecnh d\u1ea1ng r\u1ea5t b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u00e1c ki\u1ec7n h\u00e0ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ebf \u0111\u1ed9 \u01b0a th\u00edch:<\/strong><strong>C\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i xuy\u00ean ch\u00f9m tia t\u1ea7m xa<\/strong> ho\u1eb7c <strong>C\u1ea3m bi\u1ebfn v\u00f9ng (R\u00e8m \u00e1nh s\u00e1ng)<\/strong>.<\/li>\n\n\n\n<li><strong>B\u1ed1i c\u1ea3nh:<\/strong> Ph\u00e1t hi\u1ec7n m\u1ed9t pallet \u0111ang \u0111i v\u00e0o l\u1ed1i \u0111i d\u00e0i 50 m\u00e9t ho\u1eb7c m\u1ed9t th\u00f9ng c\u00e1c-t\u00f4ng \u0111\u00e3 b\u1ecb b\u1eb9p.<\/li>\n\n\n\n<li><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 (Y\u1ebfu t\u1ed1 \u201cC\u0103n ch\u1ec9nh\u201d):<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>V\u1ea5n \u0111\u1ec1:<\/em> Ngay c\u1ea3 khi kho\u1ea3ng c\u00e1ch xa, t\u00edn hi\u1ec7u v\u1eabn b\u1ecb m\u1ea5t n\u1ebfu gi\u00e1 \u0111\u1ee1 b\u1ecb l\u1ec7ch 1 \u0111\u1ed9.<\/li>\n\n\n\n<li><em>Gi\u1ea3i ph\u00e1p:<\/em> C\u00f3 c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 <strong>M\u00e0u \u0111\u1ecf nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c <\/strong><strong>LED<\/strong> ngu\u1ed3n \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u0103n ch\u1ec9nh b\u1eb1ng tay. Trong tr\u01b0\u1eddng h\u1ee3p m\u00f4i tr\u01b0\u1eddng xung quanh c\u00f3 nhi\u1ec1u b\u1ee5i, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t <strong>H\u1ed3ng ngo\u1ea1i (<\/strong><strong>IR<\/strong><strong>)<\/strong> ngu\u1ed3n s\u00e1ng n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean th\u1ea5u c\u00e1c h\u1ea1t b\u1ee5i t\u1ed1t h\u01a1n so v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>OMCH <\/strong><strong>Edge<\/strong><strong>:<\/strong> OMCH c\u00f3 <strong>H\u01a1n 3.000 m\u00e3 h\u00e0ng<\/strong>, ch\u00ednh v\u00ec v\u1eady m\u00e0 c\u00f4ng ty cung c\u1ea5p d\u1ecbch v\u1ee5 \u201cm\u1ed9t c\u1eeda\u201d trong l\u0129nh v\u1ef1c logistics. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 c\u1ea3m bi\u1ebfn tia xuy\u00ean qua t\u1ea7m xa 50m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ho\u1eb7c m\u1ed9t c\u1ea3m bi\u1ebfn khu\u1ebfch t\u00e1n nh\u1ecf g\u1eafn tr\u00ean c\u00e1nh tay robot, s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i <strong>7 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t<\/strong> H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111\u01a1n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u1ea1i sao c\u00e1c k\u1ef9 s\u01b0 tin t\u01b0\u1edfng OMCH <\/strong><strong>H\u1ec7 sinh th\u00e1i<\/strong><\/p>\n\n\n\n<p>Ngo\u00e0i ph\u1ea7n c\u1ee9ng, \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t ch\u00ednh l\u00e0 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3. Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 g\u00e2y thi\u1ec7t h\u1ea1i h\u00e0ng ngh\u00ecn \u0111\u00f4 la m\u1ed7i ph\u00fat, v\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 l\u00fd do ch\u00fang t\u00f4i \u0111\u00e3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng h\u1ea1 t\u1ea7ng qu\u1ed1c t\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 hi\u1ec7n di\u1ec7n tr\u00ean to\u00e0n c\u1ea7u:<\/strong> V\u1edbi 86 chi nh\u00e1nh t\u1ea1i Trung Qu\u1ed1c v\u00e0 m\u1ea1ng l\u01b0\u1edbi nh\u00e0 ph\u00e2n ph\u1ed1i t\u1ea1i h\u01a1n 100 qu\u1ed1c gia, linh ki\u1ec7n lu\u00f4n s\u1eb5n c\u00f3 ngay g\u1ea7n b\u1ea1n.<\/li>\n\n\n\n<li><strong>Ph\u1ea3n \u1ee9ng nhanh:<\/strong> Ch\u00fang t\u00f4i cung c\u1ea5p <strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong> \u0111\u1ec3 gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c c\u00e1c y\u1ebfu t\u1ed1 \u201cFog\u201d ho\u1eb7c \u201cJitter\u201d n\u00eau tr\u00ean theo th\u1eddi gian th\u1ef1c.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn:<\/strong> M\u1ed7i s\u1ea3n ph\u1ea9m \u0111\u1ec1u ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng <strong>C\u00e1c ti\u00eau chu\u1ea9n IEC<\/strong>, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t h\u1ec7 th\u1ed1ng to\u00e0n di\u1ec7n <strong>b\u1ea3o h\u00e0nh m\u1ed9t n\u0103m<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><strong>Gi\u00e1 tr\u1ecb c\u1ee7a OMCH:<\/strong> Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p cho qu\u00fd kh\u00e1ch m\u1ed9t linh ki\u1ec7n m\u00e0 c\u00f2n mang \u0111\u1ebfn s\u1ef1 tin c\u1eady, gi\u00fap qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 \u201cc\u00e0i \u0111\u1eb7t m\u1ed9t l\u1ea7n v\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng n\u1eefa\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch m\u1ea1ng C\u00f4ng nghi\u1ec7p 4.0: IO-Link v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn th\u00f4ng minh \u1ee9ng d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/h2>\n\n\n\n<p>C\u00e0ng v\u1ec1 cu\u1ed1i n\u0103m 2026, c\u00e1c c\u1ea3m bi\u1ebfn \u201cth\u00f4ng th\u01b0\u1eddng\u201d c\u00e0ng \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00e1c c\u1ea3m bi\u1ebfn \u201cth\u00f4ng minh\u201d. Vi\u1ec7c tri\u1ec3n khai <strong>IO-Link<\/strong> C\u00f4ng ngh\u1ec7 \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta giao ti\u1ebfp v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>C\u1ea5u h\u00ecnh t\u1eeb xa<\/strong><\/li>\n<\/ol>\n\n\n\n<p>Thay v\u00ec ph\u1ea3i leo thang \u0111\u1ec3 v\u1eb7n m\u1ed9t chi\u1ebft \u00e1p nh\u1ecf b\u1eb1ng tu\u1ed1c-n\u01a1-v\u00edt, c\u00e1c k\u1ef9 s\u01b0 gi\u1edd \u0111\u00e2y c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1ea1y, logic th\u1eddi gian (tr\u00ec ho\u00e3n b\u1eadt\/tr\u00ec ho\u00e3n t\u1eaft) v\u00e0 c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng s\u00e1ng\/t\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb PLC ho\u1eb7c \u1ee9ng d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>B\u1ea3o tr\u00ec d\u1ef1 b\u00e1o<\/strong><\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn th\u00f4ng minh hi\u1ec7n \u0111\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00ecnh. Khi \u1ed1ng k\u00ednh b\u1ecb b\u00e1m b\u1ee5i v\u00e0 m\u1ee9c khu\u1ebfch \u0111\u1ea1i d\u01b0 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c an to\u00e0n, c\u1ea3m bi\u1ebfn s\u1ebd g\u1eedi c\u1ea3nh b\u00e1o \u201c\u1ed1ng k\u00ednh b\u1ea9n\u201d \u0111\u1ebfn ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n tr\u01b0\u1edbc khi x\u1ea3y ra s\u1ef1 c\u1ed1. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>X\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/strong><\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c c\u1ea3m bi\u1ebfn ti\u00ean ti\u1ebfn h\u01a1n hi\u1ec7n nay c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa m\u1ee5c ti\u00eau th\u1ef1c s\u1ef1 v\u00e0 c\u00e1c ph\u1ea3n x\u1ea1 \u201cg\u00e2y nhi\u1ec5u\u201d t\u1eeb h\u01a1i n\u01b0\u1edbc, s\u01b0\u01a1ng m\u00f9 ho\u1eb7c m\u1ea3nh v\u1ee1 r\u01a1i xu\u1ed1ng, nh\u1edd \u0111\u00f3 s\u1ed1 l\u1ea7n b\u00e1o \u0111\u1ed9ng gi\u1ea3 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor4.webp\" alt=\"C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 g\u00ec?\" class=\"wp-image-9875\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor4.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor4-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor4-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2026\/01\/what-is-photoelectric-sensor4-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng: 5 b\u01b0\u1edbc \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 quy tr\u00ecnh ra quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt m\u00e0 b\u1ea1n n\u00ean tu\u00e2n theo \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n ph\u00f9 h\u1ee3p nh\u1ea5t cho d\u1ef1 \u00e1n ti\u1ebfp theo c\u1ee7a m\u00ecnh. B\u1eb1ng c\u00e1ch tr\u1ea3 l\u1eddi n\u0103m c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n s\u1ebd \u0111i t\u1eeb ph\u00e2n lo\u1ea1i chung \u0111\u1ebfn m\u00e3 s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>X\u00e1c \u0111\u1ecbnh ch\u1ea5t li\u1ec7u v\u00e0 m\u00e0u s\u1eafc m\u1ee5c ti\u00eau<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e2u h\u1ecfi:<\/strong> K\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t, \u0111\u1ed9 trong su\u1ed1t v\u00e0 k\u00edch th\u01b0\u1edbc nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n\n\n\n<li><strong>K\u1ebft qu\u1ea3:<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>N\u1ebfu \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 m\u00e0u t\u1ed1i ho\u1eb7c n\u1eb1m tr\u00ean n\u1ec1n s\u00e1ng<\/em><em>:<\/em> Ch\u1ecdn <strong>Kh\u1eed n\u1ec1n (BGS)<\/strong>.<\/li>\n\n\n\n<li><em>N\u1ebfu v\u1eadt th\u1ec3 l\u00e0 kim lo\u1ea1i ho\u1eb7c nh\u1ef1a c\u00f3 b\u1ec1 m\u1eb7t b\u00f3ng:<\/em> Ch\u1ecdn <strong>Ph\u00e2n c\u1ef1c v\u00e0 ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c<\/strong>.<\/li>\n\n\n\n<li><em>N\u1ebfu v\u1eadt th\u1ec3 trong su\u1ed1t (th\u1ee7y tinh\/PET):<\/em> Ch\u1ecdn m\u1ed9t chuy\u00ean ng\u00e0nh <strong>Ph\u00e1t hi\u1ec7n v\u1eadt th\u1ec3 r\u00f5 n\u00e9t<\/strong> M\u00f4 h\u00ecnh.<\/li>\n\n\n\n<li><em>N\u1ebfu \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf (linh ki\u1ec7n SMD):<\/em> Ch\u1ecdn <strong>Ch\u00f9m tia h\u1ed9i t\u1ee5<\/strong> ho\u1eb7c <strong>Laser<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u0110\u00e1nh gi\u00e1 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng <\/strong><strong>M\u00f4i tr\u01b0\u1eddng<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e2u h\u1ecfi:<\/strong> \u0110i\u1ec1u ki\u1ec7n v\u1eadt l\u00fd t\u1ea1i v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n\n\n\n<li><strong>K\u1ebft qu\u1ea3:<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>R\u1eeda b\u1eb1ng \u00e1p l\u1ef1c cao (Th\u1ef1c ph\u1ea9m\/<\/em><em>D\u01b0\u1ee3c ph\u1ea9m<\/em><em>):<\/em> B\u1ea1n ph\u1ea3i ch\u1ecdn <strong>c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u1ea1t ti\u00eau chu\u1ea9n<\/strong> IP67 ho\u1eb7c IP69K.<\/li>\n\n\n\n<li><em>v\u1edbi v\u1ecf b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c nh\u1ef1a ch\u1ecbu va \u0111\u1eadp.<\/em> S\u1eed d\u1ee5ng <strong>H\u1ed3ng ngo\u1ea1i (<\/strong><strong>IR<\/strong><strong>)<\/strong> B\u1ee5i d\u00e0y \u0111\u1eb7c ho\u1eb7c s\u01b0\u01a1ng m\u00f9 (x\u01b0\u1edfng c\u01b0a\/x\u01b0\u1edfng \u0111\u00fac): <strong>\u0110\u1ed9 l\u1ee3i d\u01b0<\/strong> c\u00e1c ngu\u1ed3n c\u00f3 \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i cao.<\/li>\n\n\n\n<li><em>(t\u1ed1i thi\u1ec3u 10x).<\/em> Kh\u00f4ng gian ch\u1eadt h\u1eb9p\/h\u1ea1n ch\u1ebf: <strong>S\u1ee3i quang<\/strong> N\u00ean ch\u1ecdn.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>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><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e2u h\u1ecfi:<\/strong> X\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch c\u1ea3m bi\u1ebfn<\/li>\n\n\n\n<li><strong>K\u1ebft qu\u1ea3:<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>Kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa c\u1ea3m bi\u1ebfn v\u00e0 m\u1ee5c ti\u00eau l\u00e0 bao nhi\u00eau?<\/em><strong>C\u1ea3m bi\u1ebfn xuy\u00ean tia<\/strong> T\u1ea7m xa (&gt;10 m\u00e9t):.<\/li>\n\n\n\n<li><em>Trung b\u00ecnh<\/em><em> l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady duy nh\u1ea5t.<\/em><strong>T\u1ea7m trung (1\u20135 m\u00e9t):<\/strong> Lo\u1ea1i ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c.<\/li>\n\n\n\n<li><em>v\u1edbi g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 g\u00f3c vu\u00f4ng l\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/em><strong>Ph\u1ed5 bi\u1ebfn<\/strong> ho\u1eb7c <strong>BGS<\/strong> T\u1ea7m g\u1ea7n (&lt;1 m\u00e9t):.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>c\u00e1c ch\u1ebf \u0111\u1ed9 n\u00e0y mang l\u1ea1i gi\u1ea3i ph\u00e1p l\u1eafp \u0111\u1eb7t g\u1ecdn nh\u1eb9 nh\u1ea5t. <\/strong><strong>\u0110\u1ea7u ra<\/strong><strong> Ki\u1ec3m tra c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec7n v\u00e0<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e2u h\u1ecfi:<\/strong> Y\u00eau c\u1ea7u<\/li>\n\n\n\n<li><strong>K\u1ebft qu\u1ea3:<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>PLC ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u t\u00edn hi\u1ec7u n\u00e0o?<\/em> PLC ch\u00e2u \u00c2u\/B\u1eafc M\u1ef9: <strong>Th\u01b0\u1eddng y\u00eau c\u1ea7u<\/strong>.<\/li>\n\n\n\n<li><em>PNP (Ngu\u1ed3n d\u01b0\u01a1ng)<\/em> PLC ch\u00e2u \u00c2u\/B\u1eafc M\u1ef9: <strong>PLC ch\u00e2u \u00c1:<\/strong>.<\/li>\n\n\n\n<li><em>NPN (Ngu\u1ed3n \u00e2m) <\/em><em>\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng<\/em><em> C\u00f4ng nghi\u1ec7p 4.0<\/em> hi\u1ec7n \u0111\u1ea1i: <strong>IO-Link<\/strong> \u0110\u1ea3m b\u1ea3o c\u1ea3m bi\u1ebfn.<\/li>\n\n\n\n<li><em>t\u01b0\u01a1ng th\u00edch v\u1edbi d\u1eef li\u1ec7u ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1.<\/em><em> Y\u00eau c\u1ea7u<\/em> v\u1ec1 t\u00edn hi\u1ec7u t\u01b0\u01a1ng t\u1ef1: <strong>N\u1ebfu b\u1ea1n c\u1ea7n \u0111o kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c, h\u00e3y ch\u1ecdn m\u1eabu<\/strong> c\u00f3 \u0111\u1ea7u ra t\u01b0\u01a1ng t\u1ef1 0-10V ho\u1eb7c 4-20mA.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>.<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e2u h\u1ecfi:<\/strong> X\u00e1c nh\u1eadn k\u1ebft n\u1ed1i c\u01a1 kh\u00ed v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t<\/li>\n\n\n\n<li><strong>K\u1ebft qu\u1ea3:<\/strong>\n<ul class=\"wp-block-list\">\n<li><em>C\u1ea3m bi\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y v\u00e0 b\u1ea3o tr\u00ec nh\u01b0 th\u1ebf n\u00e0o?<\/em> D\u1ec5 thay th\u1ebf\/B\u1ea3o tr\u00ec nhanh ch\u00f3ng: <strong>S\u1eed d\u1ee5ng lo\u1ea1i<\/strong> \u0111\u1ea7u n\u1ed1i M8 ho\u1eb7c M12.<\/li>\n\n\n\n<li><em>Kh\u00f4ng gian r\u1ea5t ch\u1eadt h\u1eb9p\/L\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh:<\/em> S\u1eed d\u1ee5ng <strong>C\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ed1i s\u1eb5n<\/strong> \u0111\u1ec3 ti\u1ebft ki\u1ec7m kho\u1ea3ng tr\u1ed1ng cho \u0111\u1ea7u n\u1ed1i.<\/li>\n\n\n\n<li><em>Rung \u0111\u1ed9ng m\u1ea1nh:<\/em> Ch\u1ecdn c\u00e1c c\u1ea3m bi\u1ebfn c\u00f3 gi\u00e1 \u0111\u1ee1 t\u00edch h\u1ee3p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c cao.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n<p>C\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 c\u01a1 ch\u1ebf v\u1eadt l\u00fd ph\u1ee9c t\u1ea1p. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng, ngu\u1ed3n s\u00e1ng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng nhanh h\u01a1n, th\u00f4ng minh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng v\u00e0o n\u0103m 2026, kh\u1ea3 n\u0103ng \u201cnh\u00ecn\u201d v\u00e0 \u201cc\u1ea3m nh\u1eadn\u201d m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c ch\u00ednh l\u00e0 tr\u00e1i tim c\u1ee7a b\u1ea5t k\u1ef3 nh\u00e0 m\u00e1y th\u00f4ng minh n\u00e0o. D\u00f9 \u0111\u00f3 l\u00e0 d\u00e2y chuy\u1ec1n \u0111\u00f3ng g\u00f3i t\u1ed1c \u0111\u1ed9 cao \u1edf Munich hay d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p b\u00e1n d\u1eabn ch\u00ednh x\u00e1c \u1edf Th\u00e2m Quy\u1ebfn, c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 \u0111a n\u0103ng nh\u1ea5t trong b\u1ed9 c\u00f4ng c\u1ee5 c\u1ee7a c\u00e1c k\u1ef9 s\u01b0, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>","protected":false},"author":4,"featured_media":9871,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What Is Photoelectric Sensor: Key Concepts Explained","_seopress_titles_desc":"Curious about what photoelectric sensor is? Discover the basics, how it works, and its applications in our informative blog post.","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9876","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=9876"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9876\/revisions"}],"predecessor-version":[{"id":9879,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9876\/revisions\/9879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/9871"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=9876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=9876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=9876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}