{"id":9218,"date":"2021-05-31T13:21:24","date_gmt":"2021-05-31T06:21:24","guid":{"rendered":"https:\/\/vn-tech.com.vn\/?p=9218"},"modified":"2023-03-01T15:55:17","modified_gmt":"2023-03-01T08:55:17","slug":"cac-loai-van-dieu-khien","status":"publish","type":"post","link":"https:\/\/vn-tech.com.vn\/?p=9218","title":{"rendered":"C\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n"},"content":{"rendered":"<p><strong>VAN \u0110I\u1ec0U KHI\u1ec2N L\u00c0 G\u00cc?<\/strong><\/p>\n<ul>\n<li>Van \u0111i\u1ec1u khi\u1ec3n l\u00e0 lo\u1ea1i van thu\u1ed9c m\u1ed9t trong nh\u1eefng lo\u1ea1i van c\u00f4ng nghi\u1ec7p m\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn trong nh\u00e0 m\u00e1y th\u01b0\u1eddng s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i van c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng th\u00ec v\u1eadn h\u00e0nh b\u1eb1ng th\u1ee7 c\u00f4ng (van tay). Nh\u01b0ng \u0111\u1ed1i v\u1edbi van \u0111i\u1ec1u khi\u1ec3n, van \u0111\u01b0\u1ee3c \u0111\u00f3ng m\u1edf t\u1ef1 \u0111\u1ed9ng b\u1eb1ng \u0111i\u1ec7n ho\u1eb7c kh\u00ed n\u00e9n nh\u1edd v\u00e0o t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n. Van c\u00f3 th\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n on\/off ho\u1eb7c t\u00edn hi\u1ec7u tuy\u1ebfn t\u00ednh \u0111\u00f3ng m\u1edf theo t\u1ef7 l\u1ec7. V\u1edbi t\u00edn hi\u1ec7u tuy\u1ebfn t\u00ednh th\u00ec th\u00f4ng th\u01b0\u1eddng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a ch\u00fang ta v\u1eabn hay d\u00f9ng \u0111\u1ebfn t\u00edn hi\u1ec7u analog 4-20mA, 0-20mA, 0-10V, 1-5V\u2026 V\u1edbi t\u00ednh hi\u1ec7u analog\u00a0 s\u1ebd gi\u00fap van \u0111i\u1ec1u khi\u1ec3n h\u00e0nh tr\u00ecnh \u0111\u00f3ng m\u1edf van theo t\u1ef7 l\u1ec7 % kh\u00e1 nhuy\u1ec5n.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9220 size-full\" src=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien.jpg\" alt=\"\" width=\"1400\" height=\"394\" srcset=\"https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien.jpg 1400w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien-300x84.jpg 300w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien-768x216.jpg 768w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien-1024x288.jpg 1024w, https:\/\/vn-tech.com.vn\/wp-content\/uploads\/2021\/05\/cac-loai-van-dieu-khien-600x169.jpg 600w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/p>\n<p>VAN \u0110I\u1ec0U KHI\u1ec2N C\u00d3 NH\u1eeeNG LO\u1ea0I N\u00c0O?<\/p>\n<p>Van \u0111i\u1ec1u khi\u1ec3n th\u00f4ng th\u01b0\u1eddng c\u00f3 nhi\u1ec1u lo\u1ea1i nh\u01b0ng trong c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng d\u00f9ng c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i nh\u01b0 sau:<\/p>\n<p>Van \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng kh\u00ed n\u00e9n :<\/p>\n<p>Van \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1eadn h\u00e0nh b\u1eb1ng kh\u00ed n\u00e9n k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi ty van. V\u00e0 ngu\u1ed3n nu\u00f4i ho\u00e0n to\u00e0n b\u1eb1ng kh\u00ed n\u00e9n v\u1edbi d\u1ea1ng van on\/off ho\u1eb7c k\u00e8m th\u00eam b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng t\u00ednh hi\u1ec7u \u0111i\u1ec7n \u0111\u1ec3 s\u1eed d\u1ee5ng cho van \u0111i\u1ec1u khi\u1ec3n tuy\u1ebfn t\u00ednh.<\/p>\n<p>C\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng kh\u00ed n\u00e9n th\u00f4ng d\u1ee5ng nh\u01b0:<\/p>\n<ul>\n<li>Van c\u1ea7u \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n<\/li>\n<li>Van 3 ng\u00e3 \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n<\/li>\n<li>Van 2 ng\u00e3 \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n<\/li>\n<li>Van bi \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n<\/li>\n<li>Van b\u01b0\u1edbm \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n<\/li>\n<\/ul>\n<p>Van \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n :<\/p>\n<p>Van \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1eadn h\u00e0nh b\u1eb1ng \u0111i\u1ec7n k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi ty c\u1ee7a van. V\u00e0 ngu\u1ed3n \u0111i\u1ec1u khi\u1ec3n ho\u00e0n to\u00e0n b\u1eb1ng t\u00ednh hi\u1ec7u \u0111i\u1ec7n. Ngu\u1ed3n \u0111i\u1ec7n s\u1eed d\u1ee5ng th\u00f4ng d\u1ee5ng nh\u01b0 24V, 220V, 380V. \u0110\u1ed9ng c\u01a1 c\u0169ng c\u00f3 2 d\u1ea1ng \u0111i\u1ec1u khi\u1ec3n l\u00e0 tuy\u1ebfn t\u00ednh theo t\u00edn hi\u1ec7u nh\u1eadn l\u00e0 analog v\u00e0 d\u1ea1ng \u0111\u00f3ng m\u1edf on\/off.<\/p>\n<p>C\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n th\u00f4ng d\u1ee5ng nh\u01b0:<\/p>\n<ul>\n<li>Van c\u1ea7u \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n lo\u1ea1i On\/off ho\u1eb7c tuy\u1ebfn t\u00ednh<\/li>\n<li>Van 3 ng\u00e3 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n On\/off ho\u1eb7c tuy\u1ebfn t\u00ednh<\/li>\n<li>Van 2 ng\u00e3 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n On\/off ho\u1eb7c tuy\u1ebfn t\u00ednh<\/li>\n<li>Van bi \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n<\/li>\n<li>Van b\u01b0\u1edbm \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n<\/li>\n<\/ul>\n<p>S\u1ef0 KH\u00c1C BI\u1ec6T GI\u1eeeA VAN \u0110I\u1ec0U KHI\u1ec2N TUY\u1ebeN T\u00cdNH \u2013 VAN \u0110I\u1ec0U KHI\u1ec2N ON\/OFF?<\/p>\n<ul>\n<li>Van \u0111i\u1ec1u khi\u1ec3n tuy\u1ebfn t\u00ednh l\u00e0 lo\u1ea1i van c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n analog\u00a0 nh\u1edd v\u00e0o b\u1ed9 positioner gi\u00fap van \u0111\u00f3ng m\u1edf theo t\u1ef7 l\u1ec7 0-100% t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u00ednh hi\u1ec7u xu\u1ea5t ra t\u1eeb b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. Hi\u1ec7n t\u1ea1i van \u0111i\u1ec1u khi\u1ec3n tuy\u1ebfn t\u00ednh \u0111\u01b0\u1ee3c d\u00f9ng r\u1ea5t nhi\u1ec1u trong c\u00e1c d\u00e2y chuy\u1ec3n s\u1ea3n xu\u1ea5t trong nh\u00e0 m\u00e1y, v\u00ec l\u00fd do van \u0111i\u1ec1u khi\u1ec3n tuy\u1ebfn t\u00ednh c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c m\u00f4i ch\u1ea5t \u0111i qua van v\u1edbi m\u1ed9t l\u01b0u l\u01b0\u1ee3ng, \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li>Van \u0111i\u1ec1u khi\u1ec3n on\/off l\u00e0 lo\u1ea1i van nh\u1eadn t\u00edn hi\u1ec7u \u0111i\u1ec7n ho\u1eb7c t\u00ednh hi\u1ec7u kh\u00ed n\u00e9n c\u1ea5p v\u00e0o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. T\u1eeb \u0111\u00f3 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n xu\u1ea5t t\u00edn hi\u1ec7u \u0111\u00f3ng h\u1ebft 100% ho\u1eb7c m\u1edf h\u1ebft 100% theo h\u00e0nh tr\u00ecnh \u0111\u00f3ng m\u1edf c\u1ee7a van.<\/li>\n<li>Van \u0111i\u1ec1u khi\u1ec3n c\u00f3 xu\u1ea5t x\u1ee9 t\u1eeb \u0110\u1ee9c th\u00ec ch\u1ec9 c\u00f3 van c\u1ee7a h\u00e3ng KFM l\u00e0 gi\u00e1 th\u1ea5p nh\u1ea5t th\u1ecb tr\u01b0\u1eddng ngo\u00e0i ra c\u00f2n c\u00f3 van \u0111i\u1ec1u khi\u1ec3n c\u1ee7a Ari ho\u1eb7c van \u0111i\u1ec1u Bealz c\u00f3 gi\u00e1 cao h\u01a1n m\u1ed9t t\u00ed . \u1ede m\u1ed9t ph\u00e2n kh\u00fac kh\u00e1c th\u00ec c\u00f3 van \u0111i\u1ec1u khi\u1ec3n Samson nh\u01b0ng c\u00f3 gi\u00e1 cao h\u01a1n h\u1eb3n so v\u1edbi c\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n t\u1ea1i \u0110\u1ee9c .<\/li>\n<li>C\u00f4ng ty Vi\u1ec7t Nh\u1eadt t\u1ef1 h\u00e0o l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ed9c quy\u1ec1n th\u01b0\u01a1ng hi\u1ec7u KFM t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam, V\u1edbi \u0111\u1ed9i ng\u0169 qu\u1ea3n l\u00fd v\u00e0 nh\u00e2n vi\u00ean c\u00f3 nhi\u1ec1u b\u1ec1 d\u1ea7y kinh nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o h\u00e0ng n\u0103m t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi, Qua \u0111\u00f3 C\u00f4ng Ty Vi\u1ec7t Nh\u1eadt kh\u00f4ng ch\u1ec9 l\u00e0 nh\u00e0 cung c\u1ea5p s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 t\u1ed1t nh\u1ea5t, m\u00e0 c\u00f2n t\u01b0 v\u1ea5n nh\u1eefng gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u cho kh\u00e1ch h\u00e0ng.<\/li>\n<\/ul>\n<div dir=\"auto\">\u2014\u2014\u2013<\/div>\n<div dir=\"auto\"><strong><a href=\"https:\/\/vntechgroup.com.vn\/\" target=\"_blank\" rel=\"noopener\">VNTECH GROUP<\/a>\u00a0\u2013 Your Partner For Automation, Instrumentation &amp; Industrial Valves<\/strong><\/div>\n<div dir=\"auto\">Hotline: 0918 113 733<\/div>\n<div dir=\"auto\">Email: info@vntechgroup.com.vn<\/div>\n","protected":false},"excerpt":{"rendered":"<p>VAN \u0110I\u1ec0U KHI\u1ec2N L\u00c0 G\u00cc? Van \u0111i\u1ec1u khi\u1ec3n l\u00e0 lo\u1ea1i van thu\u1ed9c m\u1ed9t trong nh\u1eefng lo\u1ea1i van c\u00f4ng nghi\u1ec7p m\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn trong nh\u00e0 m\u00e1y th\u01b0\u1eddng s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i van c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng th\u00ec v\u1eadn h\u00e0nh b\u1eb1ng th\u1ee7 c\u00f4ng (van tay). Nh\u01b0ng \u0111\u1ed1i v\u1edbi van \u0111i\u1ec1u khi\u1ec3n, van \u0111\u01b0\u1ee3c &#8230; <a title=\"C\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n\" class=\"read-more\" href=\"https:\/\/vn-tech.com.vn\/?p=9218\" aria-label=\"More on C\u00e1c lo\u1ea1i van \u0111i\u1ec1u khi\u1ec3n\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":8,"featured_media":9220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-duoc-phan-loai"],"lang":"vi","translations":{"vi":9218},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9218"}],"collection":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9218"}],"version-history":[{"count":5,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9218\/revisions"}],"predecessor-version":[{"id":18377,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/9218\/revisions\/18377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/media\/9220"}],"wp:attachment":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}