{"id":684776,"date":"2024-11-21T00:31:39","date_gmt":"2024-11-20T23:31:39","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=684776"},"modified":"2024-11-21T00:31:39","modified_gmt":"2024-11-20T23:31:39","slug":"4-loai-tan-nhiet-dung-de-lam-mat-thiet-bi-dien-tu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/4-loai-tan-nhiet-dung-de-lam-mat-thiet-bi-dien-tu\/","title":{"rendered":"4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed"},"content":{"rendered":"<p class=\"sidekick\">4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: T\u00ecm hi\u1ec3u c\u00e1ch l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u1edbi t\u1ea3n nhi\u1ec7t kh\u00ed, t\u1ea3n nhi\u1ec7t l\u1ecfng, \u1ed1ng d\u1eabn nhi\u1ec7t, v\u00e0 t\u1ea3n nhi\u1ec7t pha.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/4_loai_tan_nhiet_dung_de_lam_mat_thiet_bi_dien_tu.png\" alt=\"4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed1n lo\u1ea1i t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed:<\/p>\n<ul>\n<li><strong>T\u1ea3n nhi\u1ec7t qua d\u1eabn nhi\u1ec7t (Heat Sinks)<\/strong><\/li>\n<li><strong>T\u1ea3n nhi\u1ec7t b\u1eb1ng ch\u1ea5t l\u1ecfng (Liquid Cooling Systems)<\/strong><\/li>\n<li><strong>T\u1ea3n nhi\u1ec7t b\u1eb1ng kh\u00ed (Air Cooling Systems)<\/strong><\/li>\n<li><strong>T\u1ea3n nhi\u1ec7t b\u1eb1ng nhi\u1ec7t \u0111i\u1ec7n (Thermoelectric Coolers)<\/strong><\/li>\n<\/ul>\n<h2>T\u1ea3n Nhi\u1ec7t Qua D\u1eabn Nhi\u1ec7t (Heat Sinks)<\/h2>\n<p>Heat sinks l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch d\u1eabn nhi\u1ec7t t\u1eeb linh ki\u1ec7n \u0111i\u1ec7n t\u1eed n\u00f3ng ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng qua m\u1ed9t b\u1ec1 m\u1eb7t l\u1edbn gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng gi\u1ea3i nhi\u1ec7t.<\/p>\n<p>C\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t d\u1eabn ra kh\u1ecfi heat sink:<\/p>\n<pre>Q = \\frac{(T_{hot} - T_{ambient})}{R_{th}}<\/pre>\n<p>Trong \u0111\u00f3, \\(Q\\) l\u00e0 l\u01b0\u1ee3ng nhi\u1ec7t t\u1ea3n ra, \\(T_{hot}\\) l\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, \\(T_{ambient}\\) l\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, v\u00e0 \\(R_{th}\\) l\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t.<\/p>\n<h2>T\u1ea3n Nhi\u1ec7t B\u1eb1ng Ch\u1ea5t L\u1ecfng (Liquid Cooling Systems)<\/h2>\n<p>H\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t b\u1eb1ng ch\u1ea5t l\u1ecfng s\u1eed d\u1ee5ng dung d\u1ecbch l\u00e0m m\u00e1t \u0111\u1ec3 d\u1eabn nhi\u1ec7t t\u1eeb c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed ra ngo\u00e0i. Hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y kh\u00e1 cao, th\u01b0\u1eddng s\u1eed d\u1ee5ng n\u01b0\u1edbc ho\u1eb7c c\u00e1c lo\u1ea1i dung d\u1ecbch kh\u00e1c \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n<p>Qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t th\u01b0\u1eddng bao g\u1ed3m b\u01a1m, \u1ed1ng d\u1eabn, b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 qu\u1ea1t gi\u1ea3i nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h2>T\u1ea3n Nhi\u1ec7t B\u1eb1ng Kh\u00ed (Air Cooling Systems)<\/h2>\n<p>T\u1ea3n nhi\u1ec7t b\u1eb1ng kh\u00ed s\u1eed d\u1ee5ng qu\u1ea1t \u0111\u1ec3 th\u1ed5i kh\u00f4ng kh\u00ed qua c\u00e1c heat sink ho\u1eb7c tr\u1ef1c ti\u1ebfp l\u00ean linh ki\u1ec7n \u0111i\u1ec7n t\u1eed. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n nh\u01b0 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n hay thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed gia \u0111\u00ecnh.<\/p>\n<p>Hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a heat sink. Qu\u1ea1t m\u1ea1nh h\u01a1n th\u01b0\u1eddng c\u1ea7n \u0111\u1ec3 t\u0103ng l\u01b0u l\u01b0\u1ee3ng kh\u00ed nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t.<\/p>\n<h2>T\u1ea3n Nhi\u1ec7t B\u1eb1ng Nhi\u1ec7t \u0110i\u1ec7n (Thermoelectric Coolers)<\/h2>\n<p>T\u1ea3n nhi\u1ec7t b\u1eb1ng nhi\u1ec7t \u0111i\u1ec7n, c\u00f2n g\u1ecdi l\u00e0 c\u00e1c thi\u1ebft b\u1ecb Peltier, s\u1eed d\u1ee5ng hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai m\u1eb7t c\u1ee7a thi\u1ebft b\u1ecb, t\u1eeb \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 c\u1ee7a linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n<p>C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n l\u00e0:<\/p>\n<pre>Q = (P * T_{hot}) \/ 2<\/pre>\n<p>Trong \u0111\u00f3 \\(P\\) l\u00e0 c\u00f4ng su\u1ea5t \u0111i v\u00e0o, \\(T_{hot}\\) l\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t n\u00f3ng.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb Peltier th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u l\u00e0m m\u00e1t nhanh v\u00e0 hi\u1ec7u qu\u1ea3 trong kh\u00f4ng gian nh\u1ecf. Tuy nhi\u00ean, ch\u00fang c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 h\u01a1i \u0111\u1eaft v\u00e0 ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: T\u00ecm hi\u1ec3u c\u00e1ch l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u1edbi t\u1ea3n nhi\u1ec7t kh\u00ed, t\u1ea3n nhi\u1ec7t l\u1ecfng, \u1ed1ng d\u1eabn nhi\u1ec7t, v\u00e0 t\u1ea3n nhi\u1ec7t pha.<\/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>4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed<\/title>\n<meta name=\"description\" content=\"4 Lo\u1ea1i T\u1ea3n Nhi\u1ec7t D\u00f9ng \u0110\u1ec3 L\u00e0m M\u00e1t Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: T\u00ecm hi\u1ec3u c\u00e1ch l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u1edbi t\u1ea3n nhi\u1ec7t kh\u00ed, t\u1ea3n nhi\u1ec7t l\u1ecfng, \u1ed1ng d\u1eabn nhi\u1ec7t, v\u00e0 t\u1ea3n nhi\u1ec7t pha.\" \/>\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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