{"id":699656,"date":"2024-08-24T18:36:08","date_gmt":"2024-08-24T17:36:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=699656"},"modified":"2024-08-24T18:36:08","modified_gmt":"2024-08-24T17:36:08","slug":"giai-phap-lam-mat-dien-tu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/giai-phap-lam-mat-dien-tu\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed"},"content":{"rendered":"

Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed: C\u01a1 ch\u1ebf v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.<\/p>\n

\"Gi\u1ea3i<\/p>\n

Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed<\/h2>\n

L\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng trong nh\u00e1nh k\u1ef9 thu\u1eadt nhi\u1ec7t, nh\u1eb1m ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 duy tr\u00ec tu\u1ed5i th\u1ecd. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00e1c gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p v\u00e0 \u0111a d\u1ea1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t ph\u1ed5 bi\u1ebfn:<\/p>\n

1. L\u00e0m m\u00e1t b\u1eb1ng qu\u1ea1t v\u00e0 t\u1ea3n nhi\u1ec7t<\/h2>\n

\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh bao g\u1ed3m:<\/p>\n

<\/p>\n

  • Qu\u1ea1t: T\u1ea1o ra lu\u1ed3ng kh\u00ed \u0111\u1ec3 l\u00e0m m\u00e1t c\u00e1c linh ki\u1ec7n.<\/li>\n
  • T\u1ea3n nhi\u1ec7t: L\u00e0m t\u1eeb nh\u00f4m ho\u1eb7c \u0111\u1ed3ng, gi\u00fap truy\u1ec1n nhi\u1ec7t t\u1eeb linh ki\u1ec7n ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i.<\/li>\n

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

    Khi ho\u1ea1t \u0111\u1ed9ng, qu\u1ea1t th\u1ed5i kh\u00f4ng kh\u00ed qua t\u1ea3n nhi\u1ec7t \u0111\u1ec3 h\u1ea1 nhi\u1ec7t. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh c\u00f4ng su\u1ea5t t\u1ea3n nhi\u1ec7t \\(P\\) l\u00e0:<\/p>\n

    \n\\[ P = \\frac{Q}{\\Delta T} \\]\n<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    <\/p>\n

  • \\(Q\\): L\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n t\u1ea3n (W).<\/li>\n
  • \\(\\Delta T\\): \u0110\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (\u00b0C).<\/li>\n

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

    2. L\u00e0m m\u00e1t b\u1eb1ng ch\u1ea5t l\u1ecfng<\/h2>\n

    L\u00e0m m\u00e1t b\u1eb1ng ch\u1ea5t l\u1ecfng hi\u1ec7u qu\u1ea3 cao h\u01a1n l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng d\u1eabn nhi\u1ec7t nh\u01b0 n\u01b0\u1edbc ho\u1eb7c dung d\u1ecbch d\u1eabn nhi\u1ec7t kh\u00e1c. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • \u0110\u01b0\u1eddng \u1ed1ng d\u1eabn ch\u1ea5t l\u1ecfng: D\u1eabn ch\u1ea5t l\u1ecfng t\u1eeb ngu\u1ed3n nhi\u1ec7t ra ngo\u00e0i.<\/li>\n
  • B\u01a1m: \u0110\u1ea9y ch\u1ea5t l\u1ecfng tu\u1ea7n ho\u00e0n trong h\u1ec7 th\u1ed1ng.<\/li>\n
  • Radiator: L\u00e0m m\u00e1t ch\u1ea5t l\u1ecfng tr\u01b0\u1edbc khi quay l\u1ea1i h\u1ec7 th\u1ed1ng.<\/li>\n

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

    C\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua ch\u1ea5t l\u1ecfng l\u00e0:<\/p>\n

    \n\\[ Q = m \\cdot C_p \\cdot \\Delta T \\]\n<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    <\/p>\n

  • \\(m\\): Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng (kg).<\/li>\n
  • \\(C_p\\): Nhi\u1ec7t dung ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng (J\/kg\u00b7\u00b0C).<\/li>\n
  • \\(\\Delta T\\): \u0110\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (\u00b0C).<\/li>\n

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

    3. L\u00e0m m\u00e1t b\u1eb1ng nhi\u1ec7t \u0111i\u1ec7n<\/h2>\n

    Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 l\u00e0m m\u00e1t c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • M\u00e1y l\u00e0m l\u1ea1nh Peltier: Thi\u1ebft b\u1ecb bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t.<\/li>\n
  • B\u1ed9 \u0111i\u1ec1u khi\u1ec3n: Qu\u1ea3n l\u00fd l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng c\u1ea5p cho m\u00e1y l\u00e0m l\u1ea1nh Peltier.<\/li>\n

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

    C\u00f4ng su\u1ea5t l\u00e0m m\u00e1t \\(P_{cool}\\) c\u1ee7a m\u1ed9t module Peltier \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n

    \n\\[ P_{cool} = \\alpha \\cdot I \\cdot T_c – \\frac{1}{2} I^2 \\cdot R – K \\cdot (T_h – T_c) \\]\n<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    <\/p>\n

  • \\(\\alpha\\): H\u1ec7 s\u1ed1 Seebeck (V\/K).<\/li>\n
  • \\(I\\): D\u00f2ng \u0111i\u1ec7n (A).<\/li>\n
  • \\(T_c\\): Nhi\u1ec7t \u0111\u1ed9 m\u1eb7t l\u1ea1nh (K).<\/li>\n
  • \\(T_h\\): Nhi\u1ec7t \u0111\u1ed9 m\u1eb7t n\u00f3ng (K).<\/li>\n
  • \\(R\\): \u0110i\u1ec7n tr\u1edf c\u1ee7a module (\u03a9).<\/li>\n
  • \\(K\\): H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a module (W\/K).<\/li>\n

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

    Nh\u1edd v\u00e0o c\u00e1c gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t n\u00e0y, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111\u1ed3ng th\u1eddi k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m nguy c\u01a1 h\u1ecfng h\u00f3c do nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed: C\u01a1 ch\u1ebf v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.<\/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":"\nGi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed<\/title>\n<meta name=\"description\" content=\"Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed: C\u01a1 ch\u1ebf v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.\" \/>\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\/giai-phap-lam-mat-dien-tu\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed\" \/>\n<meta property=\"og:description\" content=\"Gi\u1ea3i ph\u00e1p l\u00e0m m\u00e1t \u0111i\u1ec7n t\u1eed: C\u01a1 ch\u1ebf v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/giai-phap-lam-mat-dien-tu\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta 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