{"id":676308,"date":"2024-11-17T00:35:34","date_gmt":"2024-11-16T23:35:34","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=676308"},"modified":"2024-11-17T00:35:34","modified_gmt":"2024-11-16T23:35:34","slug":"nguyen-ly-hoat-dong-cua-tu-lanh-ruou-nhiet-dien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/nguyen-ly-hoat-dong-cua-tu-lanh-ruou-nhiet-dien\/","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n"},"content":{"rendered":"<p class=\"sidekick\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n: Hi\u1ec3u c\u00e1ch t\u1ee7 l\u1ea1nh d\u00f9ng hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 l\u00e0m m\u00e1t r\u01b0\u1ee3u, gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/nguyen_ly_hoat_dong_cua_tu_lanh_ruou_nhiet_dien.png\" alt=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n<\/h2>\n<p>T\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n l\u00e0 thi\u1ebft b\u1ecb gi\u00fap b\u1ea3o qu\u1ea3n r\u01b0\u1ee3u t\u1ea1i nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n Peltier. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n.<\/p>\n<h2>Hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n Peltier<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t \u0111i\u1ec7n Peltier \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi Jean Charles Athanase Peltier v\u00e0o n\u0103m 1834. Khi m\u1ed9t d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua hai v\u1eadt li\u1ec7u b\u00e1n d\u1eabn kh\u00e1c nhau \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, m\u1ed9t m\u1eb7t s\u1ebd ph\u00e1t nhi\u1ec7t v\u00e0 m\u1eb7t kia s\u1ebd thu nhi\u1ec7t. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h2>C\u1ea5u t\u1ea1o v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>M\u1ed9t t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh nh\u01b0 sau:<\/p>\n<ul>\n<li><strong>M\u00f4-\u0111un Peltier:<\/strong> \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh t\u1ea1o ra s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9. Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u00f4-\u0111un n\u00e0y, m\u1ed9t m\u1eb7t s\u1ebd tr\u1edf n\u00ean r\u1ea5t n\u00f3ng trong khi m\u1eb7t kia tr\u1edf n\u00ean r\u1ea5t l\u1ea1nh.<\/li>\n<li><strong>T\u1ea3n nhi\u1ec7t:<\/strong> \u0110\u1ec3 m\u1eb7t n\u00f3ng c\u1ee7a m\u00f4-\u0111un Peltier kh\u00f4ng b\u1ecb qu\u00e1 nhi\u1ec7t, m\u1ed9t t\u1ea3n nhi\u1ec7t ho\u1eb7c qu\u1ea1t l\u00e0m m\u00e1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 gi\u1ea3i nhi\u1ec7t.<\/li>\n<li><strong>Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n:<\/strong> \u0110\u1ec3 cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n cho m\u00f4-\u0111un Peltier, t\u1ee7 l\u1ea1nh c\u1ea7n c\u00f3 ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n ph\u00f9 h\u1ee3p.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n:<\/strong> Bao g\u1ed3m c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 b\u00ean trong t\u1ee7 l\u1ea1nh \u1ed5n \u0111\u1ecbnh theo y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n<p>Qu\u00e1 tr\u00ecnh l\u00e0m l\u1ea1nh di\u1ec5n ra nh\u01b0 sau:<\/p>\n<ol>\n<li>Khi b\u1eadt ngu\u1ed3n, d\u00f2ng \u0111i\u1ec7n s\u1ebd ch\u1ea1y qua m\u00f4-\u0111un Peltier.<\/li>\n<li>M\u1eb7t l\u1ea1nh c\u1ee7a m\u00f4-\u0111un Peltier s\u1ebd h\u00fat nhi\u1ec7t t\u1eeb kh\u00f4ng gian b\u00ean trong t\u1ee7 l\u1ea1nh v\u00e0 chuy\u1ec3n nhi\u1ec7t \u0111\u00f3 ra ngo\u00e0i qua m\u1eb7t n\u00f3ng.<\/li>\n<li>T\u1ea3n nhi\u1ec7t ho\u1eb7c qu\u1ea1t l\u00e0m m\u00e1t s\u1ebd th\u1ea3i nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i, gi\u00fap duy tr\u00ec s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 s\u1ebd gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 b\u00ean trong t\u1ee7 l\u1ea1nh lu\u00f4n \u0111\u01b0\u1ee3c duy tr\u00ec trong kho\u1ea3ng mong mu\u1ed1n.<\/li>\n<\/ol>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h2>\n<p><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n<ul>\n<li><strong>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn:<\/strong> T\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n c\u00f3 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, d\u1ec5 d\u00e0ng \u0111\u1eb7t trong c\u00e1c kh\u00f4ng gian nh\u1ecf h\u1eb9p.<\/li>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng \u00eam \u00e1i:<\/strong> Kh\u00f4ng s\u1eed d\u1ee5ng m\u00e1y n\u00e9n c\u01a1 h\u1ecdc n\u00ean t\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng r\u1ea5t \u00eam.<\/li>\n<li><strong>An to\u00e0n v\u00e0 b\u1ec1n b\u1ec9:<\/strong> Do kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, t\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n th\u01b0\u1eddng \u00edt g\u1eb7p s\u1ef1 c\u1ed1 v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd cao.<\/li>\n<\/ul>\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n<ul>\n<li><strong>Hi\u1ec7u su\u1ea5t l\u00e0m l\u1ea1nh th\u1ea5p:<\/strong> M\u00f4-\u0111un Peltier kh\u00f4ng hi\u1ec7u qu\u1ea3 nh\u01b0 m\u00e1y n\u00e9n, do \u0111\u00f3 t\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u00e0m l\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t th\u1ea5p.<\/li>\n<li><strong>Tie\u0302u th\u1ee5 \u0111i\u1ec7n n\u0103ng:<\/strong> So v\u1edbi hi\u1ec7u su\u1ea5t l\u00e0m l\u1ea1nh, t\u1ee7 l\u1ea1nh nhi\u1ec7t \u0111i\u1ec7n c\u00f3 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>T\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o qu\u1ea3n r\u01b0\u1ee3u l\u00fd t\u01b0\u1edfng nh\u1edd ho\u1ea1t \u0111\u1ed9ng \u00eam v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn. D\u00f9 hi\u1ec7u su\u1ea5t l\u00e0m l\u1ea1nh kh\u00f4ng cao, nh\u01b0ng v\u1edbi c\u00e1c \u01b0u \u0111i\u1ec3m k\u1ec3 tr\u00ean, lo\u1ea1i t\u1ee7 l\u1ea1nh n\u00e0y v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u gia \u0111\u00ecnh v\u00e0 nh\u00e0 h\u00e0ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh r\u01b0\u1ee3u nhi\u1ec7t \u0111i\u1ec7n: Hi\u1ec3u c\u00e1ch t\u1ee7 l\u1ea1nh d\u00f9ng hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 l\u00e0m m\u00e1t r\u01b0\u1ee3u, gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o qu\u1ea3n ch\u1ea5t l\u01b0\u1ee3ng.<\/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 - 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