{"id":676941,"date":"2024-11-08T16:16:55","date_gmt":"2024-11-08T15:16:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=676941"},"modified":"2024-11-08T16:16:55","modified_gmt":"2024-11-08T15:16:55","slug":"cach-ong-ngam-nhiet-phat-hien-muc-tieu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-ong-ngam-nhiet-phat-hien-muc-tieu\/","title":{"rendered":"C\u00e1ch \u1ed1ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau"},"content":{"rendered":"<p class=\"sidekick\">\u1ed0ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 nh\u1eadn di\u1ec7n s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, gi\u00fap ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng y\u1ebfu.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_ong_ngam_nhiet_phat_hien_muc_tieu.png\" alt=\"C\u00e1ch \u1ed1ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch \u1ed0ng Ng\u1eafm Nhi\u1ec7t Ph\u00e1t Hi\u1ec7n M\u1ee5c Ti\u00eau<\/h2>\n<p>\u1ed0ng ng\u1eafm nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb qu\u00e2n s\u1ef1, c\u1ee9u h\u1ed9 \u0111\u1ebfn s\u0103n b\u1eafn v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o m\u00e0 \u1ed1ng ng\u1eafm nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u qua c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<h2>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>\u1ed0ng ng\u1eafm nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd r\u1eb1ng m\u1ecdi v\u1eadt th\u1ec3 \u0111\u1ec1u ph\u00e1t ra b\u1ee9c x\u1ea1 nhi\u1ec7t d\u01b0\u1edbi d\u1ea1ng \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i khi c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i (-273.15\u00b0C ho\u1eb7c 0K). B\u1ee9c x\u1ea1 n\u00e0y bi\u1ebfn \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt th\u1ec3, v\u1eadt th\u1ec3 c\u00e0ng n\u00f3ng th\u00ec b\u1ee9c x\u1ea1 c\u00e0ng nhi\u1ec1u.<\/p>\n<h2>B\u01b0\u1edbc S\u00f3ng H\u1ed3ng Ngo\u1ea1i<\/h2>\n<p>B\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i n\u1eb1m trong kho\u1ea3ng b\u01b0\u1edbc s\u00f3ng t\u1eeb 700 nm \u0111\u1ebfn 1 mm, trong \u0111\u00f3 \u1ed1ng ng\u1eafm nhi\u1ec7t th\u01b0\u1eddng s\u1eed d\u1ee5ng d\u1ea3i b\u01b0\u1edbc s\u00f3ng t\u1eeb 8-14 \u00b5m \u0111\u1ec3 ph\u00e1t hi\u1ec7n tia h\u1ed3ng ngo\u1ea1i ph\u00e1t ra t\u1eeb m\u1ee5c ti\u00eau.<\/p>\n<h2>C\u1ea5u T\u1ea1o c\u1ee7a \u1ed0ng Ng\u1eafm Nhi\u1ec7t<\/h2>\n<ul>\n<li><strong>\u1ed0ng k\u00ednh h\u1ed3ng ngo\u1ea1i (Lens):<\/strong> T\u1eadp trung b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i t\u1eeb m\u1ee5c ti\u00eau l\u00ean c\u1ea3m bi\u1ebfn.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn nhi\u1ec7t (Detector):<\/strong> Chuy\u1ec3n \u0111\u1ed5i b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/li>\n<li><strong>Vi x\u1eed l\u00fd (Processor):<\/strong> X\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh nhi\u1ec7t.<\/li>\n<li><strong>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb (Display):<\/strong> Hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh nhi\u1ec7t cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h2>C\u1ea3m Bi\u1ebfn H\u1ed3ng Ngo\u1ea1i<\/h2>\n<p>C\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh. C\u00f3 hai lo\u1ea1i c\u1ea3m bi\u1ebfn ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p>\n<ol>\n<li><strong>C\u1ea3m bi\u1ebfn kh\u00f4ng l\u00e0m m\u00e1t:<\/strong> R\u1ebb h\u01a1n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf khi ti\u1ebfp x\u00fac v\u1edbi tia h\u1ed3ng ngo\u1ea1i.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn l\u00e0m m\u00e1t:<\/strong> Hi\u1ec7u su\u1ea5t cao h\u01a1n, s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t si\u00eau d\u1eabn \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ee9c x\u1ea1 nhi\u1ec7t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<\/ol>\n<h2>X\u1eed L\u00fd T\u00edn Hi\u1ec7u<\/h2>\n<p>Vi x\u1eed l\u00fd trong \u1ed1ng ng\u1eafm nhi\u1ec7t chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb c\u1ea3m bi\u1ebfn th\u00e0nh h\u00ecnh \u1ea3nh nhi\u1ec7t. M\u00f4i tr\u01b0\u1eddng xung quanh c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh, n\u00ean vi x\u1eed l\u00fd ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p hi\u1ec7u chu\u1ea9n v\u00e0 l\u1ecdc nhi\u1ec5u.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<ul>\n<li><strong>Qu\u00e2n s\u1ef1:<\/strong> Gi\u00fap binh s\u0129 ph\u00e1t hi\u1ec7n k\u1ebb \u0111\u1ecbch trong b\u00f3ng t\u1ed1i ho\u1eb7c trong \u0111i\u1ec1u ki\u1ec7n t\u1ea7m nh\u00ecn h\u1ea1n ch\u1ebf nh\u01b0 kh\u00f3i v\u00e0 s\u01b0\u01a1ng.<\/li>\n<li><strong>C\u1ee9u h\u1ed9:<\/strong> T\u00ecm ki\u1ebfm ng\u01b0\u1eddi m\u1ea5t t\u00edch trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t ho\u1eb7c th\u1ea3m h\u1ecda t\u1ef1 nhi\u00ean.<\/li>\n<li><strong>S\u0103n b\u1eafn:<\/strong> Gi\u00fap th\u1ee3 s\u0103n x\u00e1c \u0111\u1ecbnh con m\u1ed3i v\u00e0o ban \u0111\u00eam m\u00e0 kh\u00f4ng l\u00e0m cho ch\u00fang ho\u1ea3ng s\u1ee3.<\/li>\n<li><strong>Khoa h\u1ecdc:<\/strong> Theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng v\u1eadt trong t\u1ef1 nhi\u00ean ho\u1eb7c c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ecba ch\u1ea5t.<\/li>\n<\/ul>\n<p>Hi v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch \u1ed1ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a n\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ed0ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 nh\u1eadn di\u1ec7n s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, gi\u00fap ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng y\u1ebfu.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch \u1ed1ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau<\/title>\n<meta name=\"description\" content=\"\u1ed0ng ng\u1eafm nhi\u1ec7t ph\u00e1t hi\u1ec7n m\u1ee5c ti\u00eau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111\u1ec3 nh\u1eadn di\u1ec7n s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, gi\u00fap ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng y\u1ebfu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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