{"id":4542,"date":"2021-11-10T08:09:00","date_gmt":"2021-11-10T08:09:00","guid":{"rendered":"https:\/\/www.greenstone-tech.com\/?p=4542"},"modified":"2025-10-31T04:34:44","modified_gmt":"2025-10-31T04:34:44","slug":"cach-bao-ve-he-thong-laser-cua-ban-khoi-bi-dong-bang-vao-mua-dong-cac-bien-phap-chong-dong-bang-can-thiet","status":"publish","type":"post","link":"https:\/\/www.greenstone-tech.com\/vi\/how-to-protect-your-laser-system-from-freezing-in-winter-essential-anti-freeze-measures\/","title":{"rendered":"C\u00e1ch b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng laser kh\u1ecfi b\u1ecb \u0111\u00f3ng b\u0103ng v\u00e0o m\u00f9a \u0111\u00f4ng: C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0111\u00f3ng b\u0103ng c\u1ea7n thi\u1ebft"},"content":{"rendered":"

Khi m\u00f9a \u0111\u00f4ng \u0111\u1ebfn, h\u1ea7u h\u1ebft c\u00e1c v\u00f9ng \u0111\u1ec1u ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, g\u00e2y ra m\u1ed1i \u0111e d\u1ecda l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n c\u1ee7a laser v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc<\/strong>\u2014\u0111\u00f3ng b\u0103ng. N\u1ebfu kh\u00f4ng th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba th\u00edch h\u1ee3p, h\u01b0 h\u1ecfng do \u0111\u00f3ng b\u0103ng c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n h\u1ea1i nghi\u00eam tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c cho c\u1ea3 h\u1ec7 th\u1ed1ng laser l\u1eabn h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, d\u1eabn \u0111\u1ebfn nh\u1eefng t\u1ed5n th\u1ea5t t\u1ed1n k\u00e9m.<\/p>\n\n\n\n

\u0110\u1ec3 tr\u00e1nh nh\u1eefng h\u01b0 h\u1ecfng v\u00e0 chi ph\u00ed kh\u00f4ng \u0111\u00e1ng c\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i n\u1eafm r\u00f5 c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111\u00f3ng b\u0103ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho h\u1ec7 th\u1ed1ng laser v\u00e0 m\u00e1y l\u00e0m l\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n\n\n

1. Y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a laser<\/strong><\/h5>\n\n\n\n

Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb<\/strong><\/p>\n\n\n\n

Tham s\u1ed1<\/th>Gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u<\/th>Gi\u00e1 tr\u1ecb t\u1ed1i \u0111a<\/th><\/tr><\/thead>
Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/td>5\u00b0C<\/td>45\u00b0C<\/td><\/tr>
\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i (khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng \u226440\u00b0C)<\/td>10%<\/td>95%<\/td><\/tr>
Nhi\u1ec7t \u0111\u1ed9 b\u1ea3o qu\u1ea3n kh\u00f4<\/td>-40\u00b0C<\/td>75\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ec3 tia laser ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, m\u00f4i tr\u01b0\u1eddng xung quanh ph\u1ea3i duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 trong kho\u1ea3ng 5\u00b0C \u0111\u1ebfn 45\u00b0C<\/strong>. N\u1ebfu kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y, tia laser c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh, ho\u1eb7c trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng v\u0129nh vi\u1ec5n, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m m\u00e1t b\u00ean trong b\u1ecb \u0111\u00f3ng b\u0103ng.<\/p>\n\n\n\n

C\u00e1c t\u00ecnh hu\u1ed1ng d\u1ec5 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng trong c\u00e1c thi\u1ebft b\u1ecb laser (bao g\u1ed3m c\u1ea3 m\u00e1y l\u00e0m l\u1ea1nh):<\/strong><\/h6>\n\n\n\n
    \n
  1. Nhi\u1ec7t \u0111\u1ed9 ngo\u00e0i tr\u1eddi xu\u1ed1ng d\u01b0\u1edbi 0\u00b0C, kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb s\u01b0\u1edfi \u1ea5m v\u00e0 tia laser ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t th\u1eddi gian d\u00e0i.<\/li>\n\n\n\n
  2. Ngay c\u1ea3 khi c\u00f3 thi\u1ebft b\u1ecb s\u01b0\u1edfi \u1ea5m, n\u1ebfu h\u1ec7 th\u1ed1ng s\u01b0\u1edfi ho\u1eb7c \u0111i\u1ec7n b\u1ecb ng\u1eaft trong c\u00e1c k\u1ef3 ngh\u1ec9 l\u1ec5 (v\u00ed d\u1ee5: T\u1ebft Nguy\u00ean \u0111\u00e1n), tia laser kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1eabn c\u00f3 th\u1ec3 b\u1ecb \u0111\u00f3ng b\u0103ng.<\/li>\n\n\n\n
  3. M\u00e1y l\u00e0m l\u1ea1nh n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1eb7t ngo\u00e0i tr\u1eddi.<\/li>\n<\/ol>\n\n\n\n

    (L\u01b0u \u00fd: \u0110\u00e2y l\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p th\u01b0\u1eddng g\u1eb7p nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea5t c\u1ea3.)<\/em><\/p>\n\n\n\n

    2. C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0111\u00f3ng b\u0103ng c\u1ea7n thi\u1ebft cho m\u00e1y laser v\u00e0 m\u00e1y l\u00e0m l\u1ea1nh<\/strong><\/h5>\n\n\n\n

    \u0110\u1ec3 ph\u00f2ng ng\u1eeba h\u01b0 h\u1ecfng do \u0111\u00f3ng b\u0103ng, khuy\u1ebfn ngh\u1ecb th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y:<\/p>\n\n\n\n

    (1) Gi\u1eef cho m\u00e1y l\u00e0m l\u1ea1nh n\u01b0\u1edbc lu\u00f4n \u0111\u01b0\u1ee3c b\u1eadt<\/strong><\/h6>\n\n\n\n

    B\u1ea3o d\u01b0\u1ee1ng m\u00e1y l\u00e0m l\u1ea1nh trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh \u0111\u1ec3 n\u01b0\u1edbc l\u00e0m m\u00e1t ti\u1ebfp t\u1ee5c l\u01b0u th\u00f4ng<\/strong>, ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng \u0111\u00f3ng b\u0103ng b\u00ean trong \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n\n\n\n

    (2) Th\u00eam dung d\u1ecbch ch\u1ed1ng \u0111\u00f4ng chuy\u00ean d\u1ee5ng<\/strong><\/h6>\n\n\n\n
      \n
    • Tr\u1ed9n ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng pha v\u1edbi n\u01b0\u1edbc l\u00e0m m\u00e1t theo t\u1ef7 l\u1ec7 3:7<\/strong> (Ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng 30%, n\u01b0\u1edbc l\u00e0m m\u00e1t 70%).<\/li>\n\n\n\n
    • H\u1ed7n h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng \u0111\u1ebfn -20\u00b0C<\/strong>.<\/li>\n\n\n\n
    • L\u01b0u \u00fd quan tr\u1ecdng: Ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng kh\u00f4ng th\u1ec3 thay th\u1ebf v\u0129nh vi\u1ec5n n\u01b0\u1edbc l\u00e0m m\u00e1t. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng ch\u1ea5t n\u00e0y quanh n\u0103m. Sau m\u00f9a \u0111\u00f4ng, h\u1ec7 th\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ea3 s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc l\u00e0m m\u00e1t m\u1edbi \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng.<\/li>\n<\/ul>\n\n\n\n
      (3) X\u1ea3 n\u01b0\u1edbc l\u00e0m m\u00e1t trong th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng k\u00e9o d\u00e0i<\/strong><\/h6>\n\n\n\n

      Khi m\u00e1y laser, b\u1ed9 l\u00e0m m\u00e1t ho\u1eb7c \u0111\u1ea7u gia c\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1eddi gian d\u00e0i (v\u00ed d\u1ee5: trong k\u1ef3 ngh\u1ec9 l\u1ec5):
      a. T\u1eaft ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n cho m\u00e1y laser v\u00e0 b\u1ed9 l\u00e0m m\u00e1t, \u0111\u1ed3ng th\u1eddi ng\u1eaft c\u1ea7u dao.<\/p>\n\n\n\n

      \"B\u1ea3o<\/figure>\n\n\n\n


      b. Ng\u1eaft k\u1ebft n\u1ed1i c\u00e1c \u1ed1ng n\u01b0\u1edbc gi\u1eefa m\u00e1y laser v\u00e0 m\u00e1y l\u00e0m l\u1ea1nh.<\/p>\n\n\n\n

      \"B\u1ea3o<\/figure>\n\n\n\n


      c. S\u1eed d\u1ee5ng kh\u00ed n\u00e9n (<3,5 bar, s\u1ea1ch v\u00e0 kh\u00f4ng ch\u1ee9a d\u1ea7u)<\/strong> \u0111\u1ec3 x\u1ea3 h\u1ebft n\u01b0\u1edbc c\u00f2n s\u00f3t l\u1ea1i trong c\u1ea3 m\u00e1y laser v\u00e0 b\u1ed9 l\u00e0m m\u00e1t, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u1ea3 h\u1ebft n\u01b0\u1edbc.<\/p>\n\n\n\n

      3. C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0111\u00f3ng b\u0103ng cho \u0111\u1ea7u x\u1eed l\u00fd, \u0111\u1ea7u s\u1ee3i quang v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m m\u00e1t<\/strong><\/h5>\n\n\n\n

      \u0110\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c:<\/p>\n\n\n\n

        \n
      • S\u1eed d\u1ee5ng kh\u00ed n\u00e9n (<3,5 bar)<\/strong> \u0111\u1ec3 th\u1ed5i qua c\u00e1c c\u1eeda v\u00e0o v\u00e0 c\u1eeda ra<\/strong> c\u1ee7a \u0111\u1ea7u x\u1eed l\u00fd v\u00e0 \u0111\u1ea7u s\u1ee3i quang, \u0111\u1ec3 \u0111\u1ea9y h\u1ebft n\u01b0\u1edbc b\u1ecb k\u1eb9t ra ngo\u00e0i.<\/li>\n\n\n\n
      • \u0110\u1ea3m b\u1ea3o \u0111\u01b0\u1eddng \u1ed1ng ph\u1ee5<\/strong> c\u0169ng \u0111\u01b0\u1ee3c x\u1ea3 h\u1ebft \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0111\u00f3ng b\u0103ng.<\/li>\n<\/ul>\n\n\n\n
        K\u1ebft lu\u1eadn<\/strong><\/h5>\n\n\n\n

        Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f4ng l\u1ea1nh b\u1eb1ng laser l\u00e0 m\u1ed9t r\u1ee7i ro nghi\u00eam tr\u1ecdng v\u00e0o m\u00f9a \u0111\u00f4ng<\/strong>. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba, hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c v\u00e0 ph\u1ea3i thay th\u1ebf t\u1ed1n k\u00e9m. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 \u0111\u00fang c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u1ed1ng \u0111\u00f3ng b\u0103ng<\/strong>\u2014bao g\u1ed3m vi\u1ec7c duy tr\u00ec l\u01b0u th\u00f4ng li\u00ean t\u1ee5c, s\u1eed d\u1ee5ng dung d\u1ecbch ch\u1ed1ng \u0111\u00f4ng chuy\u00ean d\u1ee5ng v\u00e0 x\u1ea3 n\u01b0\u1edbc kh\u1ecfi \u0111\u01b0\u1eddng \u1ed1ng trong th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng\u2014b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y laser v\u00e0 m\u00e1y l\u00e0m l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh su\u1ed1t m\u00f9a \u0111\u00f4ng.<\/p>\n\n\n\n

        Greenstone-Tech xin nh\u1eafc nh\u1edf t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng r\u1eb1ng th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba tr\u01b0\u1edbc khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng<\/strong>, gi\u00fap b\u1ea3o v\u1ec7 c\u1ea3 hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb l\u1eabn kho\u1ea3n \u0111\u1ea7u t\u01b0 d\u00e0i h\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

        With the arrival of winter, most regions experience low temperatures, posing the greatest threat to the safety of lasers and water cooling systems\u2014freezing. If proper precautions are not taken, freezing damage can severely and irreversibly harm both the laser and the chiller system, leading to costly losses. To prevent unnecessary damage and expenses, it is […]<\/p>\n","protected":false},"author":1,"featured_media":4540,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,3,1],"tags":[101],"table_tags":[],"class_list":["post-4542","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-professional-knowledge","category-blog","category-uncategorized","tag-graham-luo"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/4542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=4542"}],"version-history":[{"count":4,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/4542\/revisions"}],"predecessor-version":[{"id":5246,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/4542\/revisions\/5246"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/media\/4540"}],"wp:attachment":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=4542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/categories?post=4542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/tags?post=4542"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/table_tags?post=4542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}