{"id":702673,"date":"2024-08-27T21:44:01","date_gmt":"2024-08-27T20:44:01","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=702673"},"modified":"2024-08-27T21:44:01","modified_gmt":"2024-08-27T20:44:01","slug":"thiet-bi-nhiet-do-ung-dung-phan-loai-an-toan-dien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/thiet-bi-nhiet-do-ung-dung-phan-loai-an-toan-dien\/","title":{"rendered":"Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3: \u1ee8ng D\u1ee5ng, Ph\u00e2n Lo\u1ea1i, An To\u00e0n \u0110i\u1ec7n"},"content":{"rendered":"<p class=\"sidekick\">Thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3: \u1ee8ng d\u1ee5ng, ph\u00e2n lo\u1ea1i v\u00e0 an to\u00e0n \u0111i\u1ec7n. C\u00e1ch ch\u00fang h\u1ed7 tr\u1ee3 vi\u1ec7c \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, b\u1ea3o \u0111\u1ea3m hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/thiet_bi_nhiet_do_ung_dung_phan_loai_an_toan_dien.png\" alt=\"Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3: \u1ee8ng D\u1ee5ng, Ph\u00e2n Lo\u1ea1i, An To\u00e0n \u0110i\u1ec7n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3: \u1ee8ng D\u1ee5ng, Ph\u00e2n Lo\u1ea1i, An To\u00e0n \u0110i\u1ec7n<\/h2>\n<p>Trong ng\u00e0nh c\u01a1 kh\u00ed c\u0169ng nh\u01b0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c, thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3 \u0111\u00f3ng vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng. Ch\u00fang gi\u00fap ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 trong c\u00e1c qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 \u1ee9ng d\u1ee5ng, ph\u00e2n lo\u1ea1i v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n \u0111i\u1ec7n khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3.<\/p>\n<h2>\u1ee8ng D\u1ee5ng C\u1ee7a Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3<\/h2>\n<p>Thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><b>Nh\u00e0 m\u00e1y \u0111i\u1ec7n:<\/b> \u0110\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u01a1i n\u01b0\u1edbc v\u00e0 c\u00e1c ch\u1ea5t l\u1ecfng kh\u00e1c.<\/li>\n<li><b>C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/b> \u0110\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/li>\n<li><b>C\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m:<\/b> \u0110\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn v\u00e0 b\u1ea3o qu\u1ea3n.<\/li>\n<li><b>C\u00f4ng nghi\u1ec7p \u00f4 t\u00f4:<\/b> \u0110\u1ec3 gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c.<\/li>\n<\/ul>\n<h2>Ph\u00e2n Lo\u1ea1i Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3, m\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><b>Nhi\u1ec7t \u0111i\u1ec7n tr\u1edf (RTD):<\/b> S\u1eed d\u1ee5ng bi\u1ebfn \u0111\u1ed5i c\u1ee7a \u0111i\u1ec7n tr\u1edf theo nhi\u1ec7t \u0111\u1ed9, th\u01b0\u1eddng d\u00f9ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n<li><b>Thermocouple:<\/b> S\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng Seebeck \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9, ph\u00f9 h\u1ee3p v\u1edbi d\u1ea3i nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/li>\n<li><b>Nhi\u1ec7t k\u1ebf bimetal:<\/b> S\u1eed d\u1ee5ng hai kim lo\u1ea1i c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf kh\u00e1c nhau, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n<li><b>Nhi\u1ec7t k\u1ebf h\u1ed3ng ngo\u1ea1i:<\/b> \u0110o nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi v\u1eadt th\u1ec3, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 t\u1eeb xa v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t kh\u00f3 ti\u1ebfp c\u1eadn.<\/li>\n<\/ul>\n<h2>An To\u00e0n \u0110i\u1ec7n Khi S\u1eed D\u1ee5ng Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3<\/h2>\n<p>An to\u00e0n \u0111i\u1ec7n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p c\u1ea7n tu\u00e2n th\u1ee7:<\/p>\n<ul>\n<li>\u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c d\u00e2y \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb ph\u1ee5 ki\u1ec7n \u0111\u1ea1t chu\u1ea9n \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 \u0111i\u1ec7n.<\/li>\n<li>Ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00e2y b\u1ecb h\u01b0 h\u1ecfng hay m\u1ea5t c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li>Tu\u00e2n th\u1ee7 h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 \u1ee9ng d\u1ee5ng, ph\u00e2n lo\u1ea1i v\u00e0 an to\u00e0n \u0111i\u1ec7n c\u1ee7a thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3 kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n nh\u01b0ng h\u1eefu \u00edch \u0111\u1ec3 ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3: \u1ee8ng d\u1ee5ng, ph\u00e2n lo\u1ea1i v\u00e0 an to\u00e0n \u0111i\u1ec7n. C\u00e1ch ch\u00fang h\u1ed7 tr\u1ee3 vi\u1ec7c \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, b\u1ea3o \u0111\u1ea3m hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n trong c\u00f4ng nghi\u1ec7p.<\/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>Thi\u1ebft B\u1ecb Nhi\u1ec7t \u0110\u1ed3: \u1ee8ng D\u1ee5ng, Ph\u00e2n Lo\u1ea1i, An To\u00e0n \u0110i\u1ec7n<\/title>\n<meta name=\"description\" content=\"Thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed3: \u1ee8ng d\u1ee5ng, ph\u00e2n lo\u1ea1i v\u00e0 an to\u00e0n \u0111i\u1ec7n. 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