{"id":684282,"date":"2024-09-05T10:19:22","date_gmt":"2024-09-05T09:19:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=684282"},"modified":"2024-09-05T10:19:22","modified_gmt":"2024-09-05T09:19:22","slug":"8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/","title":{"rendered":"8 Lo\u1ea1i C\u1ea3m Bi\u1ebfn D\u00f2ng Nhi\u1ec7t Cho \u0110o L\u01b0\u1eddng Nhi\u1ec7t \u0110\u1ed9"},"content":{"rendered":"

8 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, ch\u00ednh x\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.<\/p>\n

\"8<\/p>\n

8 Lo\u1ea1i C\u1ea3m Bi\u1ebfn D\u00f2ng Nhi\u1ec7t Cho \u0110o L\u01b0\u1eddng Nhi\u1ec7t \u0110\u1ed9<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. C\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 8 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9.<\/p>\n

<\/p>\n

  • Nhi\u1ec7t \u0111i\u1ec7n tr\u1edf (RTD)<\/b><\/li>\n

    Nhi\u1ec7t \u0111i\u1ec7n tr\u1edf s\u1eed d\u1ee5ng s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf c\u1ee7a v\u1eadt li\u1ec7u khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i. V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t cho RTD l\u00e0 platin v\u00ec n\u00f3 c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao v\u00e0 m\u1ed1i quan h\u1ec7 tuy\u1ebfn t\u00ednh gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec7n tr\u1edf.<\/p>\n

  • Thermistor<\/b><\/li>\n

    Thermistor c\u0169ng \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf, nh\u01b0ng v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng th\u01b0\u1eddng l\u00e0 g\u1ed1m ho\u1eb7c polymer. Thermistor nh\u1ea1y h\u01a1n so v\u1edbi RTD nh\u01b0ng kh\u00f4ng tuy\u1ebfn t\u00ednh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 nh\u1ea1y cao.<\/p>\n

  • Thermocouple<\/b><\/li>\n

    Thermocouple \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n. \u0110\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb hai lo\u1ea1i kim lo\u1ea1i kh\u00e1c nhau, khi c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u1edf hai \u0111\u1ea7u n\u1ed1i s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p, cho ph\u00e9p \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9. Thermocouple c\u00f3 d\u1ea3i \u0111o r\u1ed9ng v\u00e0 \u0111\u00e1p \u1ee9ng nhanh.<\/p>\n

  • C\u1ea7u n\u1ed1i Wheatstone<\/b><\/li>\n

    C\u1ea7u n\u1ed1i Wheatstone l\u00e0 m\u1ed9t m\u1ea1ch \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o c\u00e1c \u0111i\u1ec7n tr\u1edf r\u1ea5t nh\u1ecf, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 nh\u01b0 RTD v\u00e0 thermistor. B\u1eb1ng c\u00e1ch c\u00e2n b\u1eb1ng c\u1ea7u n\u1ed1i, nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

  • C\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i (IR)<\/b><\/li>\n

    C\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n b\u1ee9c x\u1ea1 nhi\u1ec7t t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng ti\u1ebfp x\u00fac, r\u1ea5t h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111o nhi\u1ec7t \u0111\u1ed9 \u1edf xa ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n

  • Thermopile<\/b><\/li>\n

    Thermopile l\u00e0 m\u1ed9t d\u00e3y c\u1ee7a thermocouple n\u1ed1i ti\u1ebfp, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ee9c x\u1ea1 nhi\u1ec7t. Nhi\u1ec1u thermocouple k\u1ebft h\u1ee3p l\u1ea1i gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 nh\u1ea1y, cho ph\u00e9p \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ebfn r\u1ea5t th\u1ea5p.<\/p>\n

  • C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 b\u00e1n d\u1eabn<\/b><\/li>\n

    Lo\u1ea1i c\u1ea3m bi\u1ebfn n\u00e0y s\u1eed d\u1ee5ng c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p (IC) \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong d\u1ea3i nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng.<\/p>\n

  • Bimetallic Strip<\/b><\/li>\n

    Bimetallic Strip l\u00e0 m\u1ed9t d\u1ea3i kim lo\u1ea1i k\u00e9p g\u1ed3m hai lo\u1ea1i kim lo\u1ea1i kh\u00e1c nhau gh\u00e9p l\u1ea1i. Khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, hai kim lo\u1ea1i gi\u00e3n n\u1edf kh\u00e1c nhau, l\u00e0m cong d\u1ea3i kim lo\u1ea1i v\u00e0 \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 cong c\u1ee7a d\u1ea3i.<\/p>\n

    <\/u1><\/p>\n

    M\u1ed7i lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn n\u00e0y s\u1ebd gi\u00fap l\u1ef1a ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p cho nhu c\u1ea7u \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3.<\/p>\n","protected":false},"excerpt":{"rendered":"

    8 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, ch\u00ednh x\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.<\/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":"\n8 Lo\u1ea1i C\u1ea3m Bi\u1ebfn D\u00f2ng Nhi\u1ec7t Cho \u0110o L\u01b0\u1eddng Nhi\u1ec7t \u0110\u1ed9<\/title>\n<meta name=\"description\" content=\"8 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, ch\u00ednh x\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"8 Lo\u1ea1i C\u1ea3m Bi\u1ebfn D\u00f2ng Nhi\u1ec7t Cho \u0110o L\u01b0\u1eddng Nhi\u1ec7t \u0110\u1ed9\" \/>\n<meta property=\"og:description\" content=\"8 lo\u1ea1i c\u1ea3m bi\u1ebfn d\u00f2ng nhi\u1ec7t \u0111o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, ch\u00ednh x\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-05T09:19:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/8_loai_cam_bien_dong_nhiet_cho_do_luong_nhiet_do.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"3 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi-VN\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/8_loai_cam_bien_dong_nhiet_cho_do_luong_nhiet_do.png\",\"width\":1000,\"height\":1000,\"caption\":\"8 Lo\\u1ea1i C\\u1ea3m Bi\\u1ebfn D\\u00f2ng Nhi\\u1ec7t Cho \\u0110o L\\u01b0\\u1eddng Nhi\\u1ec7t \\u0110\\u1ed9\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/\",\"name\":\"8 Lo\\u1ea1i C\\u1ea3m Bi\\u1ebfn D\\u00f2ng Nhi\\u1ec7t Cho \\u0110o L\\u01b0\\u1eddng Nhi\\u1ec7t \\u0110\\u1ed9\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/#primaryimage\"},\"datePublished\":\"2024-09-05T09:19:22+00:00\",\"dateModified\":\"2024-09-05T09:19:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"8 lo\\u1ea1i c\\u1ea3m bi\\u1ebfn d\\u00f2ng nhi\\u1ec7t \\u0111o l\\u01b0\\u1eddng nhi\\u1ec7t \\u0111\\u1ed9 hi\\u1ec7u qu\\u1ea3, ch\\u00ednh x\\u00e1c cho c\\u00e1c \\u1ee9ng d\\u1ee5ng c\\u00f4ng nghi\\u1ec7p. H\\u01b0\\u1edbng d\\u1eabn chi ti\\u1ebft t\\u1eebng lo\\u1ea1i, l\\u1ee3i \\u00edch v\\u00e0 c\\u00e1ch s\\u1eed d\\u1ee5ng.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/8-loai-cam-bien-dong-nhiet-cho-do-luong-nhiet-do\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/684282"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/comments?post=684282"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/684282\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/media?parent=684282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/categories?post=684282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/tags?post=684282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}