{"id":673333,"date":"2024-09-23T07:23:54","date_gmt":"2024-09-23T06:23:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=673333"},"modified":"2024-09-23T07:23:54","modified_gmt":"2024-09-23T06:23:54","slug":"may-phat-nhiet-dien-chuyen-doi-nhiet-thanh-dien-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/may-phat-nhiet-dien-chuyen-doi-nhiet-thanh-dien-nhu-the-nao\/","title":{"rendered":"M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<p class=\"sidekick\">M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n nh\u1edd hi\u1ec7u \u1ee9ng Seebeck, t\u1ea1o ra \u0111i\u1ec7n n\u0103ng t\u1eeb s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai ngu\u1ed3n nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/may_phat_nhiet_dien_chuyen_doi_nhiet_thanh_dien_nhu_the_nao.png\" alt=\"M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n nh\u01b0 th\u1ebf n\u00e0o\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt d\u00f9ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u0103ng l\u01b0\u1ee3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong vi\u1ec7c t\u1eadn d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ngu\u1ed3n nhi\u1ec7t th\u1ea3i ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. V\u1eady, l\u00e0m th\u1ebf n\u00e0o m\u00e0 m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh n\u00e0y?<\/p>\n<h2>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n<\/h2>\n<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a \u0111\u1ecbnh lu\u1eadt th\u1ee9 hai c\u1ee7a nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc v\u00e0 hi\u1ec7u \u1ee9ng nhi\u1ec7t Peltier-Seebeck. Nhi\u1ec1u lo\u1ea1i m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u b\u00e1n d\u1eabn \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n khi c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai \u0111\u1ea7u c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y.<\/p>\n<h2>Hi\u1ec7u \u1ee9ng Seebeck<\/h2>\n<p>Hi\u1ec7u \u1ee9ng Seebeck l\u00e0 m\u1ed9t hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111i\u1ec7n trong \u0111\u00f3 m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u1ea5t r\u1eafn t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p khi c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9. Ph\u01b0\u01a1ng tr\u00ecnh c\u1ee7a hi\u1ec7u \u1ee9ng Seebeck c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c vi\u1ebft nh\u01b0 sau:<\/p>\n<p>\n    \\( \\Delta V = -S \\Delta T \\)\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\Delta V\\) l\u00e0 \u0111i\u1ec7n \u00e1p t\u1ea1o ra<\/li>\n<li>S l\u00e0 h\u1ec7 s\u1ed1 Seebeck c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<li>\\(\\Delta T\\) l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai \u0111\u1ea7u c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac c\u1ee7a m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n<\/h2>\n<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n th\u01b0\u1eddng bao g\u1ed3m c\u00e1c ph\u1ea7n ch\u00ednh sau:<\/p>\n<ul>\n<li><strong>Ch\u1ea5t b\u00e1n d\u1eabn:<\/strong> \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u ch\u00ednh t\u1ea1o ra \u0111i\u1ec7n \u00e1p d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng Seebeck.<\/li>\n<li><strong>Thanh nhi\u1ec7t:<\/strong> \u0110\u00e2y l\u00e0 ph\u1ea7n gi\u00fap duy tr\u00ec s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai \u0111\u1ea7u ch\u1ea5t b\u00e1n d\u1eabn.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t:<\/strong> \u0110\u00e2y l\u00e0 ph\u1ea7n r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec7t th\u1ea3i v\u00e0 duy tr\u00ec s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n:<\/strong> Ph\u1ea7n n\u00e0y s\u1ebd thu th\u1eadp v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p t\u1ea1o ra th\u00e0nh d\u00f2ng \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o:<\/strong> S\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ho\u1eb7c nhi\u1ec7t t\u1eeb tr\u00e1i \u0111\u1ea5t \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n.<\/li>\n<li><strong>T\u1eadn d\u1ee5ng nhi\u1ec7t th\u1ea3i:<\/strong> Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb nhi\u1ec7t th\u1ea3i trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p ho\u1eb7c \u0111\u1ed9ng c\u01a1 xe c\u1ed9.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng:<\/strong> C\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn nh\u01b0 \u0111\u1ed3ng h\u1ed3, c\u1ea3m bi\u1ebfn, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng s\u1eed d\u1ee5ng nhi\u1ec7t t\u1eeb c\u01a1 th\u1ec3 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ec1m n\u0103ng trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u m\u1edbi v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ea3i ti\u1ebfn, m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n trong vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng b\u1ec1n v\u1eefng v\u00e0 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c ngu\u1ed3n nhi\u1ec7t c\u00f3 s\u1eb5n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t th\u00e0nh \u0111i\u1ec7n nh\u1edd hi\u1ec7u \u1ee9ng Seebeck, t\u1ea1o ra \u0111i\u1ec7n n\u0103ng t\u1eeb s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai ngu\u1ed3n nhi\u1ec7t.<\/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 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