{"id":703850,"date":"2024-08-12T04:26:44","date_gmt":"2024-08-12T03:26:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=703850"},"modified":"2024-08-12T04:26:44","modified_gmt":"2024-08-12T03:26:44","slug":"cong-tac-dong-nhiet-phat-hien-nhiet-do-kiem-soat-dong-chay","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cong-tac-dong-nhiet-phat-hien-nhiet-do-kiem-soat-dong-chay\/","title":{"rendered":"C\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t | Ph\u00e1t Hi\u1ec7n Nhi\u1ec7t \u0110\u1ed9, Ki\u1ec3m So\u00e1t D\u00f2ng Ch\u1ea3y"},"content":{"rendered":"<p class=\"sidekick\">C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t: thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. T\u0103ng hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 s\u01b0\u1edfi \u1ea5m v\u1edbi c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn n\u00e0y.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cong_tac_dong_nhiet_phat_hien_nhiet_do_kiem_soat_dong_chay.png\" alt=\"C\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t | Ph\u00e1t Hi\u1ec7n Nhi\u1ec7t \u0110\u1ed9, Ki\u1ec3m So\u00e1t D\u00f2ng Ch\u1ea3y\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t | Ph\u00e1t Hi\u1ec7n Nhi\u1ec7t \u0110\u1ed9, Ki\u1ec3m So\u00e1t D\u00f2ng Ch\u1ea3y<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, c\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p.<\/p>\n<h2>C\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t L\u00e0 G\u00ec?<\/h2>\n<p>C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t (thermal flow switch) l\u00e0 m\u1ed9t lo\u1ea1i c\u00f4ng t\u1eafc s\u1eed d\u1ee5ng nguy\u00ean l\u00fd nhi\u1ec7t h\u1ecdc \u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 ho\u1eb7c d\u01b0\u1edbi m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, c\u00f4ng t\u1eafc n\u00e0y s\u1ebd thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i (t\u1eeb \u0111\u00f3ng sang m\u1edf ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i) \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng ho\u1eb7c ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed \u0111\u00f3.<\/p>\n<h2>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y. C\u00f3 hai lo\u1ea1i ch\u00ednh:<\/p>\n<ul>\n<li><b>C\u00f4ng t\u1eafc nhi\u1ec7t ki\u1ec3u c\u1ea3m bi\u1ebfn:<\/b> S\u1eed d\u1ee5ng c\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed trong d\u00f2ng ch\u1ea3y \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y t\u0103ng l\u00ean, c\u1ea3m bi\u1ebfn s\u1ebd g\u1eedi t\u00edn hi\u1ec7u v\u00e0 c\u00f4ng t\u1eafc s\u1ebd thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i.<\/li>\n<li><b>C\u00f4ng t\u1eafc nhi\u1ec7t ki\u1ec3u d\u00e2y \u0111\u1ed3ng:<\/b> S\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 c\u1ea3m nh\u1eadn s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, d\u00e2y \u0111\u1ed3ng m\u1edf r\u1ed9ng v\u00e0 k\u00edch ho\u1ea1t c\u00f4ng t\u1eafc.<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n<p>C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/p>\n<ol>\n<li><b>H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t:<\/b> C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n qu\u1ea1t l\u00e0m m\u00e1t ho\u1eb7c b\u01a1m n\u01b0\u1edbc l\u00e0m m\u00e1t d\u1ef1a tr\u00ean nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng s\u01b0\u1edfi:<\/b> Trong c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m, c\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t gi\u00fap ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 duy tr\u00ec m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><b>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/b> C\u00e1c nh\u00e0 m\u00e1y v\u00e0 x\u01b0\u1edfng s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng c\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb kh\u1ecfi qu\u00e1 nhi\u1ec7t, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ol>\n<h2>T\u1ea7m Quan Tr\u1ecdng C\u1ee7a C\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t<\/h2>\n<p>V\u1edbi kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, c\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c r\u1ee7i ro li\u00ean quan \u0111\u1ebfn qu\u00e1 nhi\u1ec7t ho\u1eb7c thi\u1ebfu nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt nhi\u1ec7t hi\u1ec7n \u0111\u1ea1i. T\u1eeb vi\u1ec7c ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y, thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t: thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. T\u0103ng hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 s\u01b0\u1edfi \u1ea5m v\u1edbi c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn n\u00e0y.<\/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\u00f4ng T\u1eafc D\u00f2ng Nhi\u1ec7t | Ph\u00e1t Hi\u1ec7n Nhi\u1ec7t \u0110\u1ed9, Ki\u1ec3m So\u00e1t D\u00f2ng Ch\u1ea3y<\/title>\n<meta name=\"description\" content=\"C\u00f4ng t\u1eafc d\u00f2ng nhi\u1ec7t: thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. 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