{"id":2345,"date":"2023-06-21T08:56:16","date_gmt":"2023-06-21T08:56:16","guid":{"rendered":"https:\/\/www.qinx-power.com\/?post_type=news&#038;p=2345"},"modified":"2026-02-21T09:02:33","modified_gmt":"2026-02-21T09:02:33","slug":"isolated-vs-non-isolated","status":"publish","type":"news","link":"https:\/\/www.qinxpower.com\/vi\/news\/co-lap-so-voi-khong-co-lap\/","title":{"rendered":"R\u00e0o c\u1ea3n ti\u1ec1m \u1ea9n trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n: Gi\u1ea3i th\u00edch v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly"},"content":{"rendered":"<h1><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-2346 size-full\" src=\"https:\/\/www.qinx-power.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated.jpg\" alt=\"C\u00f4 l\u1eadp so v\u1edbi kh\u00f4ng c\u00f4 l\u1eadp\" width=\"1024\" height=\"871\" srcset=\"https:\/\/www.qinxpower.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated.jpg 1024w, https:\/\/www.qinxpower.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated-300x255.jpg 300w, https:\/\/www.qinxpower.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated-768x653.jpg 768w, https:\/\/www.qinxpower.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated-14x12.jpg 14w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>R\u00e0o c\u1ea3n ti\u1ec1m \u1ea9n trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ea1n: Gi\u1ea3i th\u00edch v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly<\/h1>\n<p>Kh\u00e1m ph\u00e1 l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh s\u1ef1 an to\u00e0n, hi\u1ec7u su\u1ea5t v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n trong m\u1ecdi thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. T\u00ecm hi\u1ec3u khi n\u00e0o vi\u1ec7c c\u00e1ch ly l\u00e0 quan tr\u1ecdng nh\u1ea5t v\u00e0 quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u01a1 b\u1ea3n n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ecdi th\u1ee9 nh\u01b0 th\u1ebf n\u00e0o, t\u1eeb thi\u1ebft b\u1ecb y t\u1ebf \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng.<\/p>\n<hr \/>\n<h2><strong>Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i: C\u00e1ch \u0111i\u1ec7n<\/strong><\/h2>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n n\u1eb1m \u1edf ch\u1ed7 li\u1ec7u c\u00f3 s\u1ef1 k\u1ebft n\u1ed1i \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp gi\u1eefa m\u1ea1ch \u0111\u1ea7u v\u00e0o v\u00e0 m\u1ea1ch \u0111\u1ea7u ra hay kh\u00f4ng.<\/p>\n<ul>\n<li><strong>Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly:<\/strong>\u00a0S\u1eed d\u1ee5ng m\u00e1y bi\u1ebfn \u00e1p (ho\u1eb7c b\u1ed9 gh\u00e9p quang) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n v\u1eadt l\u00fd gi\u1eefa \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. C\u00f3\u00a0<strong>kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp<\/strong>.<\/li>\n<li><strong>Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly:<\/strong>\u00a0\u0110\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 chung \u0111i\u1ec3m n\u1ed1i \u0111\u1ea5t ho\u1eb7c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp th\u00f4ng qua c\u00e1c linh ki\u1ec7n nh\u01b0 cu\u1ed9n c\u1ea3m. C\u00f3\u00a0<strong>\u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp<\/strong>.<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh t\u00f3m t\u1eaft<\/strong><\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/th>\n<th>Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>An to\u00e0n &amp; B\u1ea3o v\u1ec7<\/strong><\/td>\n<td><strong>Cao.<\/strong>\u00a0Ng\u0103n ch\u1eb7n \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m truy\u1ec1n \u0111\u1ebfn t\u1ea3i; b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/td>\n<td><strong>Th\u1ea5p.<\/strong>\u00a0Nguy c\u01a1 \u0111i\u1ec7n \u00e1p cao truy\u1ec1n \u0111\u1ebfn \u0111\u1ea7u ra n\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ti\u1ebfng \u1ed3n v\u00e0 nhi\u1ec5u<\/strong><\/td>\n<td><strong>Xu\u1ea5t s\u1eafc.<\/strong>\u00a0Ch\u1eb7n h\u1ea7u h\u1ebft c\u00e1c nhi\u1ec5u v\u00e0 t\u00edn hi\u1ec7u tho\u00e1ng qua t\u1eeb ph\u00eda \u0111\u1ea7u v\u00e0o (v\u00ed d\u1ee5: ti\u1ebfng \u00f9 \u0111i\u1ec7n l\u01b0\u1edbi).<\/td>\n<td><strong>Ngh\u00e8o.<\/strong>\u00a0Nhi\u1ec5u t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng truy\u1ec1n \u0111\u1ebfn t\u00edn hi\u1ec7u \u0111\u1ea7u ra.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u00ednh linh ho\u1ea1t trong thi\u1ebft k\u1ebf m\u1ea1ch<\/strong><\/td>\n<td><strong>Cao.<\/strong>\u00a0\u0110\u1ea7u ra n\u1ed1i \u0111\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec3 h\u1edf ho\u1eb7c \u0111\u1eb7t \u1edf m\u1ed9t \u0111i\u1ec7n th\u1ebf kh\u00e1c, h\u1eefu \u00edch cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/td>\n<td><strong>Th\u1ea5p.<\/strong>\u00a0\u0110i\u1ec3m n\u1ed1i \u0111\u1ea5t \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau.<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u00edch th\u01b0\u1edbc &amp; Chi ph\u00ed<\/strong><\/td>\n<td>Do c\u00f3 b\u1ed9 bi\u1ebfn \u00e1p n\u00ean k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n v\u00e0 gi\u00e1 th\u00e0nh cao h\u01a1n.<\/td>\n<td>Nh\u1ecf h\u01a1n, nh\u1eb9 h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>Hi\u1ec7u qu\u1ea3<\/strong><\/td>\n<td>Th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat do t\u1ed5n hao bi\u1ebfn \u00e1p.<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng cao h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh<\/strong><\/td>\n<td>Th\u01b0\u1eddng\u00a0<strong>b\u1eaft bu\u1ed9c<\/strong>\u00a0D\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ng\u01b0\u1eddi d\u00f9ng (thi\u1ebft b\u1ecb y t\u1ebf, thi\u1ebft b\u1ecb gia d\u1ee5ng).<\/td>\n<td>Th\u00edch h\u1ee3p cho c\u00e1c b\u1ed9 ph\u1eadn k\u00edn, kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c b\u1edfi ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><strong>Ph\u00e2n t\u00edch chi ti\u1ebft &amp; \u1ee8ng d\u1ee5ng<\/strong><\/h2>\n<h3><strong>Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly: S\u1ef1 l\u1ef1a ch\u1ecdn an to\u00e0n<\/strong><\/h3>\n<p>S\u1ef1 c\u00e1ch ly \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua\u00a0<strong>m\u00e1y bi\u1ebfn \u00e1p<\/strong>, thi\u1ebft b\u1ecb n\u00e0y truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng t\u1eeb ph\u00eda s\u01a1 c\u1ea5p (\u0111\u1ea7u v\u00e0o) sang ph\u00eda th\u1ee9 c\u1ea5p (\u0111\u1ea7u ra) b\u1eb1ng t\u1eeb tr\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i d\u00e2y d\u1eabn tr\u1ef1c ti\u1ebfp.<\/p>\n<p><strong>V\u00ec sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng:<\/strong><\/p>\n<ol>\n<li><strong>An to\u00e0n l\u00e0 tr\u00ean h\u1ebft:<\/strong>\u00a0N\u00f3 ng\u0103n ch\u1eb7n \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u nguy hi\u1ec3m t\u1eeb ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c c\u1ee7a thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi\u00a0<strong>thi\u1ebft b\u1ecb y t\u1ebf<\/strong>\u00a0(v\u00ed d\u1ee5: m\u00e1y theo d\u00f5i b\u1ec7nh nh\u00e2n),\u00a0<strong>thi\u1ebft b\u1ecb gia d\u1ee5ng<\/strong>, v\u00e0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o c\u00f3 khung b\u1eb1ng kim lo\u1ea1i.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u:<\/strong>\u00a0N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t r\u00e0o ch\u1eafn, c\u00e1ch ly c\u00e1c m\u1ea1ch nh\u1ea1y c\u1ea3m (nh\u01b0 c\u1ea3m bi\u1ebfn t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c chip truy\u1ec1n th\u00f4ng) kh\u1ecfi ngu\u1ed3n \u0111i\u1ec7n l\u01b0\u1edbi nhi\u1ec5u ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1.<\/li>\n<li><strong>Lo\u1ea1i b\u1ecf v\u00f2ng l\u1eb7p n\u1ed1i \u0111\u1ea5t:<\/strong>\u00a0Cho ph\u00e9p b\u1ea1n c\u00f3 c\u00e1c \u0111i\u1ec3m n\u1ed1i \u0111\u1ea5t ri\u00eang bi\u1ec7t, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u v\u00f2ng n\u1ed1i \u0111\u1ea5t trong h\u1ec7 th\u1ed1ng \u00e2m thanh ho\u1eb7c thi\u1ebft l\u1eadp thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<p><strong>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong>\u00a0C\u00e1c thi\u1ebft b\u1ecb y t\u1ebf, PLC c\u00f4ng nghi\u1ec7p, thi\u1ebft b\u1ecb ki\u1ec3m tra v\u00e0 \u0111o l\u01b0\u1eddng, giao di\u1ec7n \u00e2m thanh, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n cho thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o m\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng l\u00e0 t\u1ed1i quan tr\u1ecdng.<\/p>\n<h3><strong>B\u1ed9 ngu\u1ed3n kh\u00f4ng c\u00e1ch ly: Thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn nh\u01b0ng hi\u1ec7u n\u0103ng cao<\/strong><\/h3>\n<p>C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u201cbuck\u201d, \u201cboost\u201d ho\u1eb7c \u201cbuck-boost\u201d, n\u00f3 t\u0103ng ho\u1eb7c gi\u1ea3m \u0111i\u1ec7n \u00e1p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng cu\u1ed9n c\u1ea3m v\u00e0 c\u00f4ng t\u1eafc, v\u1edbi \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra d\u00f9ng chung \u0111\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1.<\/p>\n<p><strong>L\u00fd do s\u1eed d\u1ee5ng:<\/strong><\/p>\n<ol>\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc:<\/strong>\u00a0L\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf v\u00e0 chi ph\u00ed th\u1ea5p, ch\u1eb3ng h\u1ea1n nh\u01b0...\u00a0<strong>thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/strong>\u00a0(Tivi, \u0111\u1ea7u thu k\u1ef9 thu\u1eadt s\u1ed1),\u00a0<strong>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n LED<\/strong>, v\u00e0 c\u00e1c m\u1ea1ch con b\u00ean trong tr\u00ean b\u1ea3ng m\u1ea1ch in.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 cao:<\/strong>\u00a0\u00cdt giai \u0111o\u1ea1n chuy\u1ec3n \u0111\u1ed5i h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ch\u1ea1y b\u1eb1ng pin.<\/li>\n<li><strong>\u0110\u01a1n gi\u1ea3n:<\/strong>\u00a0Thi\u1ebft k\u1ebf n\u00e0y \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 y\u00eau c\u1ea7u \u00edt linh ki\u1ec7n h\u01a1n.<\/li>\n<\/ol>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong>\u00a0Do kh\u00f4ng c\u00f3 l\u1edbp c\u00e1ch ly, to\u00e0n b\u1ed9 m\u1ea1ch \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n th\u1ebf &quot;mang \u0111i\u1ec7n \u00e1p&quot; so v\u1edbi m\u1eb7t \u0111\u1ea5t.\u00a0<strong>ph\u1ea3i<\/strong>\u00a0N\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb b\u00ean trong m\u1ed9t h\u1ed9p k\u00edn c\u00e1ch \u0111i\u1ec7n ho\u00e0n to\u00e0n, n\u01a1i ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 ch\u1ea1m v\u00e0o b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n n\u00e0o.<\/p>\n<p><strong>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong>\u00a0\u0110i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1ch ly (v\u00ed d\u1ee5: t\u1ea1o ra 3.3V t\u1eeb \u0111\u01b0\u1eddng d\u1eabn c\u00e1ch ly 12V), b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng gi\u00e1 r\u1ebb v\u00e0 thi\u1ebft b\u1ecb ch\u1ea1y b\u1eb1ng pin.<\/p>\n<hr \/>\n<h2><strong>C\u00e1i n\u00e0o t\u1ed1t h\u01a1n? \u0110i\u1ec1u \u0111\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/strong><\/h2>\n<p>Kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn n\u00e0o l\u00e0 &quot;t\u1ed1t h\u01a1n&quot; m\u1ed9t c\u00e1ch tuy\u1ec7t \u0111\u1ed1i. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.\u00a0<strong>c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n, m\u00f4i tr\u01b0\u1eddng ti\u1ebfng \u1ed3n v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c thi\u1ebft k\u1ebf<\/strong>.<\/p>\n<p><strong>H\u00e3y ch\u1ecdn ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly n\u1ebfu:<\/strong><\/p>\n<ul>\n<li>Thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd\u00a0<strong>c\u1eafm v\u00e0o ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u<\/strong>\u00a0v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ea1m v\u00e0o n\u00f3 (y\u00eau c\u1ea7u an to\u00e0n).<\/li>\n<li>B\u1ea1n c\u1ea7n\u00a0<strong>ng\u0103n ch\u1eb7n ti\u1ebfng \u1ed3n<\/strong>\u00a0t\u1eeb vi\u1ec7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u1ea1ch t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1 nh\u1ea1y c\u1ea3m.<\/li>\n<li>Thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u\u00a0<strong>\u0111i\u1ec7n th\u1ebf \u0111\u1ea5t kh\u00e1c nhau<\/strong>\u00a0(v\u00ed d\u1ee5: \u0111\u1ed1i v\u1edbi c\u00e1c giao di\u1ec7n truy\u1ec1n th\u00f4ng nh\u01b0 RS-485).<\/li>\n<li><strong>Quy \u0111\u1ecbnh<\/strong>\u00a0(nh\u01b0 IEC\/UL\/CE) y\u00eau c\u1ea7u c\u00e1ch ly \u0111i\u1ec7n cho lo\u1ea1i s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p><strong>Ch\u1ecdn b\u1ed9 ngu\u1ed3n KH\u00d4NG C\u00c1CH LY n\u1ebfu:<\/strong><\/p>\n<ul>\n<li>Thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n l\u00e0\u00a0<strong>\u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n b\u1eb1ng ngu\u1ed3n DC \u0111i\u1ec7n \u00e1p th\u1ea5p an to\u00e0n.<\/strong>\u00a0(gi\u1ed1ng nh\u01b0 pin ho\u1eb7c ngu\u1ed3n cung c\u1ea5p ri\u00eang bi\u1ec7t \u1edf ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n).<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 gi\u00e1 c\u1ea3<\/strong>\u00a0l\u00e0 nh\u1eefng \u0111\u1ed9ng l\u1ef1c ch\u00ednh.<\/li>\n<li>B\u1ea1n c\u1ea7n\u00a0<strong>hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a<\/strong>\u00a0\u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi l\u01b0\u1ee3ng pin.<\/li>\n<li>M\u1ea1ch \u0111i\u1ec7n l\u00e0\u00a0<strong>ho\u00e0n to\u00e0n kh\u00e9p k\u00edn v\u00e0 kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn<\/strong>\u00a0cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<hr \/>\n<h2><strong>Ghi ch\u00fa v\u1ec1 An to\u00e0n &amp; Tu\u00e2n th\u1ee7<\/strong><\/h2>\n<p>\u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 s\u1ea3n ph\u1ea9m n\u00e0o k\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u, vi\u1ec7c c\u00e1ch ly th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng.\u00a0<strong>y\u00eau c\u1ea7u ph\u00e1p l\u00fd<\/strong>. Lu\u00f4n tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n li\u00ean quan (v\u00ed d\u1ee5: IEC 62368-1 cho thi\u1ebft b\u1ecb CNTT, IEC 60601-1 cho thi\u1ebft b\u1ecb y t\u1ebf) trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. S\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly trong \u1ee9ng d\u1ee5ng kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u1ed1i nguy hi\u1ec3m nghi\u00eam tr\u1ecdng v\u1ec1 an to\u00e0n.<\/p>\n<h2><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>Hi\u1ec3u r\u00f5 r\u00e0o c\u1ea3n c\u00e1ch ly l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1ea1nh m\u1ebd.\u00a0<strong>Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly mang l\u1ea1i s\u1ef1 an to\u00e0n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u nh\u01b0ng l\u1ea1i c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 chi ph\u00ed. Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n nh\u1ecf g\u1ecdn, hi\u1ec7u qu\u1ea3 khi y\u1ebfu t\u1ed1 an to\u00e0n \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft \u1edf nh\u1eefng kh\u00eda c\u1ea1nh kh\u00e1c.<\/strong>\u00a0B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn ki\u1ebfn tr\u00fac ngu\u1ed3n \u0111i\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng, b\u1ea1n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c \u0111\u1ed9 tin c\u1eady, s\u1ef1 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 hi\u1ec7u n\u0103ng.<\/p>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>The Hidden Barrier in Your Electronics: Isolated vs. Non-Isolated Power Explained Discover the critical engineering choice that determines safety, performance, and compliance in every electronic device. Learn when isolation matters most and how this fundamental design decision impacts everything from medical equipment to consumer gadgets. Core Concept: Electrical Isolation The fundamental difference lies in whether [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2346,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"_excerptai":0,"_xhaitool_aitasks":false,"_xhaitool_aitasks_status":false,"_aiimage_cueword":"","_aiimage_status":0,"_xhai_excerpt":"","_joinchat":[],"footnotes":""},"news_center":[67],"class_list":["post-2345","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_center-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Isolated vs Non-Isolated<\/title>\n<meta name=\"description\" content=\"Isolated supplies provide safety and noise protection at the expense of size and cost. Non-isolated supplies offer compact, efficient power where safety is already addressed elsewhere.\" \/>\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.qinxpower.com\/vi\/news\/co-lap-so-voi-khong-co-lap\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Hidden Barrier in Your Electronics: Isolated vs. Non-Isolated Power Explained\" \/>\n<meta property=\"og:description\" content=\"Isolated supplies provide safety and noise protection at the expense of size and cost. Non-isolated supplies offer compact, efficient power where safety is already addressed elsewhere.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.qinxpower.com\/vi\/news\/co-lap-so-voi-khong-co-lap\/\" \/>\n<meta property=\"og:site_name\" content=\"QINXPOWER\u00ae\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-21T09:02:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.qinxpower.com\/wp-content\/uploads\/Isolated-vs-Non-Isolated.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"871\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.qinxpower.com\\\/news\\\/isolated-vs-non-isolated\\\/\",\"url\":\"https:\\\/\\\/www.qinxpower.com\\\/news\\\/isolated-vs-non-isolated\\\/\",\"name\":\"Isolated vs Non-Isolated\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.qinxpower.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.qinxpower.com\\\/news\\\/isolated-vs-non-isolated\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.qinxpower.com\\\/news\\\/isolated-vs-non-isolated\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.qinxpower.com\\\/wp-content\\\/uploads\\\/Isolated-vs-Non-Isolated.jpg\",\"datePublished\":\"2023-06-21T08:56:16+00:00\",\"dateModified\":\"2026-02-21T09:02:33+00:00\",\"description\":\"Isolated supplies provide safety and noise protection at the expense of size and cost. 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