{"id":2753,"date":"2026-06-22T08:44:57","date_gmt":"2026-06-22T08:44:57","guid":{"rendered":"https:\/\/govelocks.com\/?p=2753"},"modified":"2026-06-24T08:54:45","modified_gmt":"2026-06-24T08:54:45","slug":"electric-strike","status":"publish","type":"post","link":"https:\/\/govelocks.com\/vi\/electric-strike\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn L\u1ef1a ch\u1ecdn &amp; T\u00edch h\u1ee3p Kh\u00f3a \u0111i\u1ec7n T\u1eed Th\u01b0\u01a1ng m\u1ea1i"},"content":{"rendered":"<p>M\u1ed9t qu\u1ea3n l\u00fd c\u01a1 s\u1edf g\u1ea7n \u0111\u00e2y cho bi\u1ebft h\u1ecd ch\u1ec9 so s\u00e1nh \u0111i\u1ec7n \u00e1p v\u00e0 l\u1edbp ho\u00e0n thi\u1ec7n khi thay th\u1ebf c\u00e1c ch\u1ed1t c\u1eeda \u0111i\u1ec7n t\u1eed. Ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y quy\u1ebft \u0111\u1ecbnh \u0111\u00f3 g\u00e2y ra c\u00e1c cu\u1ed9c g\u1ecdi l\u1ea1i t\u1ed1n k\u00e9m qu\u00e1 nhi\u1ec1u l\u1ea7n. R\u1ee7i ro mua s\u1eafm th\u1ef1c s\u1ef1 trong ki\u1ec3m so\u00e1t truy c\u1eadp th\u01b0\u01a1ng m\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec7n t\u1eed \u2014 m\u00e0 l\u00e0 kh\u1edbp c\u1ea5u h\u00ecnh c\u01a1 h\u1ecdc c\u1ee7a <strong>kh\u00f3a \u0111i\u1ec7n t\u1eed<\/strong>\u2019v\u1edbi th\u00e2n kh\u00f3a v\u00e0 khung c\u1eeda. Ch\u1ecdn sai \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u1ed1t gi\u1eef ho\u1eb7c b\u1ecf qua \u0111\u1ed9 c\u0103ng hi\u1ec7n c\u00f3 c\u1ee7a c\u1eeda, v\u00e0 ngay c\u1ea3 m\u1ed9t cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed cao c\u1ea5p c\u0169ng s\u1ebd h\u1ecfng trong v\u00f2ng v\u00e0i tu\u1ea7n.<\/p>\n<p>Ch\u00fang t\u00f4i \u0111\u00e3 vi\u1ebft h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 cung c\u1ea5p cho ng\u01b0\u1eddi mua, nh\u00e0 t\u00edch h\u1ee3p v\u00e0 ng\u01b0\u1eddi ch\u1ec9 \u0111\u1ecbnh th\u01b0\u01a1ng m\u1ea1i khung k\u1ef9 thu\u1eadt v\u00e0 l\u1ef1a ch\u1ecdn m\u00e0 ch\u00fang t\u00f4i s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y. N\u00f3 k\u1ebft n\u1ed1i lo\u1ea1i kh\u00f3a, quy t\u1eafc an to\u00e0n ch\u00e1y n\u1ed5 v\u00e0 thi\u1ebft k\u1ebf \u0111i\u1ec7n v\u1edbi m\u1eabu kh\u00f3a \u0111i\u1ec7n t\u1eed \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn trong th\u1ef1c t\u1ebf.<\/p>\n<h2>Kh\u00f3a \u0111i\u1ec7n t\u1eed l\u00e0 g\u00ec v\u00e0 Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong Ki\u1ec3m so\u00e1t Truy c\u1eadp Th\u01b0\u01a1ng m\u1ea1i?<\/h2>\n<p>Kh\u00f3a \u0111i\u1ec7n t\u1eed l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t truy c\u1eadp \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong khung c\u1eeda, thay th\u1ebf m\u1ed9t t\u1ea5m ch\u1ed1t c\u1ed1 \u0111\u1ecbnh ti\u00eau chu\u1ea9n. N\u00f3 s\u1eed d\u1ee5ng m\u1ed9t cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed b\u00ean trong \u0111\u1ec3 nh\u1ea3 m\u1ed9t ch\u1ed1t b\u1ea3n l\u1ec1, cho ph\u00e9p ch\u1ed1t c\u1eeda \u0111i qua m\u00e0 kh\u00f4ng c\u1ea7n xoay ch\u00eca kh\u00f3a th\u1ee7 c\u00f4ng \u2014 nh\u01b0ng ch\u1ec9 khi c\u00f3 \u0111i\u1ec7n ho\u1eb7c m\u1ea5t \u0111i\u1ec7n, t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh.<\/p>\n<h3>C\u00e1c Y\u1ebfu t\u1ed1 C\u01a1 kh\u00ed C\u1ed1t l\u00f5i: Ch\u1ed1t gi\u1eef, Cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed v\u00e0 T\u1ea5m m\u1eb7t<\/h3>\n<p>Ch\u1ed1t gi\u1eef l\u00e0 c\u00e1nh c\u1ed5ng kim lo\u1ea1i xoay ch\u1eb7n ho\u1eb7c nh\u1ea3 ch\u1ed1t kh\u00f3a. \u1ede tr\u1ea1ng th\u00e1i ngh\u1ec9, ch\u1ed1t gi\u1eef gi\u1eef c\u1eeda an to\u00e0n. Khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng tuy\u1ebfn t\u00ednh, k\u00e9o ho\u1eb7c \u0111\u1ea9y m\u1ed9t li\u00ean k\u1ebft gi\u1ea3i ph\u00f3ng ch\u1ed1t gi\u1eef. T\u1ea5m m\u1eb7t c\u1ed1 \u0111\u1ecbnh c\u1ee5m l\u1eafp r\u00e1p b\u00ean trong khung v\u00e0 ph\u1ea3i kh\u1edbp v\u1edbi h\u00ecnh d\u1ea1ng c\u1eaft c\u1ee7a khung c\u1eeda. C\u00f9ng nhau, ba th\u00e0nh ph\u1ea7n n\u00e0y x\u00e1c \u0111\u1ecbnh xem kh\u00f3a \u0111i\u1ec7n t\u1eed c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng h\u00e0ng ng\u00e0y hay h\u1ecfng d\u01b0\u1edbi \u00e1p l\u1ef1c nh\u1eb9.<\/p>\n<p>Ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn c\u1ea5u h\u00ecnh m\u00f4i c\u1ee7a ch\u1ed1t gi\u1eef. M\u00f4i s\u00e2u h\u01a1n gi\u1eef cho ch\u1ed1t kh\u00f3a c\u00f3 h\u00e0nh tr\u00ecnh l\u1edbn h\u01a1n, trong khi m\u00f4i n\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c khung c\u1eeda nh\u00f4m c\u00f3 thanh \u0111\u1ee9ng h\u1eb9p. T\u1ea5m m\u1eb7t c\u00f3 th\u1ec3 ph\u1eb3ng, bo tr\u00f2n ho\u1eb7c c\u00f3 m\u00f4i k\u00e9o d\u00e0i, m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft l\u1eadp c\u1eeda v\u00e0 <a href=\"\/vi\/commercial-door-smart-lock\/\">kh\u00f3a c\u1eeda th\u01b0\u01a1ng m\u1ea1i<\/a> c\u1ee5 th\u1ec3.<\/p>\n<p><strong>K\u1ebft lu\u1eadn k\u1ef9 thu\u1eadt:<\/strong> Cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng m\u00e0 \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u. Cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng ng\u1eaft qu\u00e3ng s\u1ebd qu\u00e1 n\u00f3ng khi \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n trong h\u01a1n v\u00e0i gi\u00e2y; c\u00e1c m\u1eabu ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u1ea5u h\u00ecnh an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n.<\/p>\n<h3>Kh\u00f3a \u0111i\u1ec7n t\u1eed so v\u1edbi Kh\u00f3a t\u1eeb (Maglocks): S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 Ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>C\u1ea3 hai thi\u1ebft b\u1ecb \u0111\u1ec1u ki\u1ec3m so\u00e1t truy c\u1eadp, nh\u01b0ng logic ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c h\u1ec7 l\u1ee5y v\u1ec1 quy t\u1eafc ch\u00e1y n\u1ed5 c\u1ee7a ch\u00fang l\u00e0 kh\u00e1c nhau v\u1ec1 c\u01a1 b\u1ea3n. M\u1ed9t <a href=\"\/vi\/electronic-access-control\/\">kh\u00f3a \u0111i\u1ec7n t\u1eed trong h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t truy c\u1eadp<\/a> ho\u1ea1t \u0111\u1ed9ng v\u1edbi ch\u1ed1t v\u1eadt l\u00fd, ngh\u0129a l\u00e0 ng\u01b0\u1eddi b\u00ean trong lu\u00f4n c\u00f3 th\u1ec3 xoay tay n\u1eafm v\u00e0 tho\u00e1t ra \u2014 m\u1ed9t y\u00eau c\u1ea7u trong h\u1ea7u h\u1ebft c\u00e1c quy t\u1eafc tho\u00e1t hi\u1ec3m th\u01b0\u01a1ng m\u1ea1i. Kh\u00f3a t\u1eeb kh\u00f3a c\u1eeda b\u1eb1ng l\u1ef1c h\u00fat v\u00e0 y\u00eau c\u1ea7u c\u00e1c c\u1ea3m bi\u1ebfn PIR, n\u00fat tho\u00e1t ho\u1eb7c c\u01a1 ch\u1ebf \u0111i\u1ec1u ch\u1ec9nh kh\u00ed n\u00e9n b\u1ed5 sung \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc an to\u00e0n sinh m\u1ea1ng.<\/p>\n<p>M\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf: kh\u00f3a \u0111i\u1ec7n t\u1eed ch\u1ec9 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng trong chu k\u1ef3 m\u1edf kh\u00f3a (an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n) ho\u1eb7c khi \u0111ang kh\u00f3a (an to\u00e0n khi c\u00f3 \u0111i\u1ec7n), trong khi kh\u00f3a t\u1eeb ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng li\u00ean t\u1ee5c \u0111\u1ec3 duy tr\u00ec l\u1ef1c gi\u1eef. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u00edch t\u1ee5 nhi\u1ec7t, k\u00edch th\u01b0\u1edbc ngu\u1ed3n \u0111i\u1ec7n v\u00e0 h\u00e0nh vi chuy\u1ec3n \u0111\u1ed5i kh\u1ea9n c\u1ea5p khi m\u1ea5t \u0111i\u1ec7n.<\/p>\n<hr \/>\n<h2>An to\u00e0n khi m\u1ea5t \u0111i\u1ec7n so v\u1edbi An to\u00e0n khi c\u00f3 \u0111i\u1ec7n: C\u00e2n b\u1eb1ng Nhu c\u1ea7u B\u1ea3o m\u1eadt v\u1edbi Quy t\u1eafc An to\u00e0n Sinh m\u1ea1ng<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n (fail-safe) v\u00e0 an to\u00e0n khi c\u00f3 \u0111i\u1ec7n (fail-secure) ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n t\u00ednh m\u1ea1ng v\u00e0 m\u1ee5c ti\u00eau an ninh c\u1ee7a c\u01a1 s\u1edf. Ch\u1ed1t kh\u00f3a an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n (fail-safe) c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n li\u00ean t\u1ee5c \u0111\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i kh\u00f3a v\u00e0 nh\u1ea3 ra khi m\u1ea5t \u0111i\u1ec7n; ch\u1ed1t kh\u00f3a an to\u00e0n khi c\u00f3 \u0111i\u1ec7n (fail-secure) c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 m\u1edf kh\u00f3a v\u00e0 v\u1eabn gi\u1eef tr\u1ea1ng th\u00e1i kh\u00f3a trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n, b\u1ea3o to\u00e0n t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a chu vi.<\/p>\n<h3>An to\u00e0n khi m\u1ea5t \u0111i\u1ec7n (Fail-Safe - Ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 kh\u00f3a) v\u00e0 Tu\u00e2n th\u1ee7 l\u1ed1i tho\u00e1t hi\u1ec3m<\/h3>\n<p><strong>Fail-safe<\/strong> ch\u1ed1t kh\u00f3a l\u00e0 m\u1eb7c \u0111\u1ecbnh tr\u00ean c\u00e1c l\u1ed1i tho\u00e1t hi\u1ec3m \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi NFPA 101 v\u00e0 c\u00e1c quy chu\u1ea9n x\u00e2y d\u1ef1ng \u0111\u1ecba ph\u01b0\u01a1ng. Trong tr\u01b0\u1eddng h\u1ee3p h\u1ecfa ho\u1ea1n ho\u1eb7c m\u1ea5t \u0111i\u1ec7n, c\u1eeda s\u1ebd t\u1ef1 \u0111\u1ed9ng m\u1edf ngay l\u1eadp t\u1ee9c, cho ph\u00e9p ng\u01b0\u1eddi b\u00ean trong tho\u00e1t ra m\u00e0 kh\u00f4ng c\u1ea7n t\u00ecm ch\u00eca kh\u00f3a hay \u0111\u1ea9y thanh tho\u00e1t hi\u1ec3m. Ch\u00fang ta th\u01b0\u1eddng th\u1ea5y lo\u1ea1i n\u00e0y tr\u00ean c\u1eeda c\u1ea7u thang b\u1ed9 n\u1ed9i b\u1ed9, c\u1eeda h\u00e0nh lang ch\u1ed1ng ch\u00e1y v\u00e0 c\u1eeda ngang h\u00e0nh lang c\u1ea7n gi\u1eef ch\u1ed1t \u0111\u1ec3 ph\u00e2n v\u00f9ng nh\u01b0ng ph\u1ea3i nh\u1ea3 ngay l\u1eadp t\u1ee9c trong tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p.<\/p>\n<p>Ng\u01b0\u1eddi ch\u1ec9 \u0111\u1ecbnh n\u00ean ki\u1ec3m tra v\u1edbi C\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng (AHJ), nh\u01b0ng quy t\u1eafc chung l\u00e0: n\u1ebfu c\u1eeda l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a l\u1ed1i tho\u00e1t hi\u1ec3m, th\u00ec g\u1ea7n nh\u01b0 lu\u00f4n y\u00eau c\u1ea7u an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n (fail-safe). \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 pin d\u1ef1 ph\u00f2ng ph\u1ea3i \u0111\u00e1ng tin c\u1eady, v\u00ec m\u1ed9t s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n k\u00e9o d\u00e0i s\u1ebd khi\u1ebfn c\u1eeda kh\u00f4ng kh\u00f3a, c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra l\u1ed7 h\u1ed5ng an ninh.<\/p>\n<h3>An to\u00e0n khi c\u00f3 \u0111i\u1ec7n (Fail-Secure - Ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 m\u1edf kh\u00f3a) v\u00e0 An ninh chu vi<\/h3>\n<p><strong>Fail-secure<\/strong> ch\u1ed1t kh\u00f3a gi\u1eef c\u1eeda kh\u00f3a khi m\u1ea5t \u0111i\u1ec7n, v\u00ec v\u1eady ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u1eeda chu vi t\u00f2a nh\u00e0, ph\u00f2ng m\u00e1y ch\u1ee7 IT, khu v\u1ef1c x\u1eed l\u00fd ti\u1ec1n m\u1eb7t v\u00e0 kho l\u01b0u tr\u1eef an ninh cao. C\u1eeda v\u1eabn an to\u00e0n v\u1ec1 m\u1eb7t v\u1eadt l\u00fd ngay c\u1ea3 khi <a href=\"\/vi\/access-control-panels\/\">b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ki\u1ec3m so\u00e1t truy c\u1eadp<\/a> m\u1ea5t \u0111i\u1ec7n. C\u1ea5u h\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi solenoid v\u00e0 ch\u1ed1t gi\u1eef c\u1ee7a kh\u00f3a ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea5n c\u00f4ng trong th\u1eddi gian m\u1ea5t \u0111i\u1ec7n k\u00e9o d\u00e0i.<\/p>\n<p><strong>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n x\u00e1c minh:<\/strong> Trong l\u1eafp \u0111\u1eb7t an to\u00e0n khi c\u00f3 \u0111i\u1ec7n (fail-secure), c\u1eeda v\u1eabn ph\u1ea3i cho ph\u00e9p tho\u00e1t hi\u1ec3m c\u01a1 h\u1ecdc t\u1ef1 do t\u1eeb b\u00ean trong th\u00f4ng qua tay n\u1eafm ho\u1eb7c thanh tho\u00e1t hi\u1ec3m. Ch\u1ed1t kh\u00f3a kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng tho\u00e1t ra; n\u00f3 ch\u1ec9 <em>ng\u0103n ch\u1eb7n vi\u1ec7c x\u00e2m nh\u1eadp t\u1eeb b\u00ean ngo\u00e0i<\/em> khi kh\u00f4ng c\u00f3 \u0111i\u1ec7n.<\/p>\n<hr \/>\n<h2>Ph\u00e2n lo\u1ea1i Kh\u00f3a \u0111i\u1ec7n t\u1eed theo Ph\u1ea7n c\u1ee9ng C\u1eeda V\u1eadt l\u00fd<\/h2>\n<p>B\u1ed9 l\u1ecdc mua s\u1eafm \u0111\u1ea7u ti\u00ean l\u00e0 lo\u1ea1i th\u00e2n kh\u00f3a \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u1eeda. M\u1ed9t ch\u1ed1t kh\u00f3a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho ch\u1ed1t c\u1eeda h\u00ecnh tr\u1ee5 s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1edbi kh\u00f3a \u00e2m t\u01b0\u1eddng n\u1eb7ng ho\u1eb7c thi\u1ebft b\u1ecb tho\u00e1t hi\u1ec3m d\u1ea1ng khung n\u1ed5i. Vi\u1ec7c kh\u1edbp c\u1ea5u h\u00ecnh ch\u1ed1t kh\u00f3a v\u1edbi b\u1ed9 kh\u00f3a s\u1ebd ng\u0103n ng\u1eeba vi\u1ec7c tr\u1ea3 h\u00e0ng v\u00e0 gi\u1eef nguy\u00ean danh s\u00e1ch s\u1ea3n ph\u1ea9m c\u1eeda c\u1ee7a b\u1ea1n.<\/p>\n<h3>Ch\u1ed1t kh\u00f3a cho b\u1ed9 kh\u00f3a h\u00ecnh tr\u1ee5<\/h3>\n<p>Kh\u00f3a h\u00ecnh tr\u1ee5 l\u00e0 lo\u1ea1i kh\u00f3a n\u1ed9i th\u1ea5t th\u01b0\u01a1ng m\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, v\u00e0 ch\u1ed1t kh\u00f3a c\u1ee7a ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi l\u1ed7 c\u1eaft m\u1eb7t tr\u01b0\u1edbc ANSI ti\u00eau chu\u1ea9n 4-7\/8\u2033. Ch\u1ed1t l\u00e0 m\u1ed9t ch\u1ed1t v\u00e1t c\u00f3 l\u00f2 xo \u0111i v\u00e0o m\u1ed9t l\u1ed7 gi\u1eef \u0111\u01a1n. Khi ch\u00fang ta ch\u1ecdn ch\u1ed1t kh\u00f3a \u0111i\u1ec7n t\u1eed h\u00ecnh tr\u1ee5, ch\u00fang ta ki\u1ec3m tra \u0111\u1ed9 nh\u00f4 c\u1ee7a ch\u1ed1t v\u00e0 li\u1ec7u kh\u00f3a c\u00f3 ch\u1ed1t ch\u1ebft ph\u1ee5 tr\u1ee3 c\u1ea7n \u0111\u01b0\u1ee3c nh\u1ea5n hay kh\u00f4ng. Nhi\u1ec1u ch\u1ed1t kh\u00f3a hi\u1ec7n nay ch\u1ea5p nh\u1eadn c\u1ea3 \u0111\u1ed9 \u0111\u1ea9y ch\u1ed1t 1\/2\u2033 v\u00e0 5\/8\u2033 m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c s\u1eeda \u0111\u1ed5i tr\u00ean <a href=\"\/vi\/commercial-storefront-door-smart-lock\/\">an ninh c\u1eeda m\u1eb7t ti\u1ec1n<\/a> d\u1ef1 \u00e1n.<\/p>\n<h3>Ch\u1ed1t kh\u00f3a cho b\u1ed9 kh\u00f3a \u00e2m t\u01b0\u1eddng<\/h3>\n<p>Th\u00e2n kh\u00f3a \u00e2m t\u01b0\u1eddng n\u1eb7ng h\u01a1n v\u00e0 ch\u1ee9a c\u1ea3 ch\u1ed1t v\u00e0 ch\u1ed1t ch\u1ebft trong m\u1ed9t khung h\u00ecnh ch\u1eef nh\u1eadt duy nh\u1ea5t. Ch\u1ed1t kh\u00f3a \u0111i\u1ec7n t\u1eed \u00e2m t\u01b0\u1eddng ph\u1ea3i ch\u1ee9a ch\u1ed1t - v\u00e0 th\u01b0\u1eddng l\u00e0 thu h\u1ed3i ch\u1ed1t ch\u1ebft - trong khung. Ch\u00fang t\u00f4i t\u00ecm ki\u1ebfm c\u00e1c ch\u1ed1t c\u00f3 m\u00f4i k\u00e9o d\u00e0i ra ngo\u00e0i m\u1eb7t khung, v\u00ec c\u00e1c t\u1ea5m kh\u00f3a \u00e2m t\u01b0\u1eddng l\u1edbn h\u01a1n v\u00e0 ch\u1ed1t gi\u1eef ph\u1ea3i \u0103n kh\u1edbp c\u1ea3 hai \u0111i\u1ec3m kh\u00f3a. M\u1ed9t s\u1ed1 ch\u1ed1t \u00e2m t\u01b0\u1eddng c\u0169ng h\u1ed7 tr\u1ee3 c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t \u0111\u1ec3 x\u00e1c nh\u1eadn tr\u1ea1ng th\u00e1i ch\u1ed1t ch\u1ebft, h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1ch s\u1ea1n v\u00e0 y t\u1ebf.<\/p>\n<h3>Ch\u1ed1t kh\u00f3a cho thi\u1ebft b\u1ecb tho\u00e1t hi\u1ec3m d\u1ea1ng khung n\u1ed5i v\u00e0 thanh tho\u00e1t hi\u1ec3m (l\u1eafp n\u1ed5i)<\/h3>\n<p>Thi\u1ebft b\u1ecb tho\u00e1t hi\u1ec3m d\u1ea1ng khung n\u1ed5i c\u00f3 ch\u1ed1t l\u1eafp n\u1ed5i nh\u00f4 v\u00e0o ch\u1ed1t kh\u00f3a tr\u00ean m\u1eb7t khung ho\u1eb7c thanh ngang. Ch\u1ed1t kh\u00f3a \u0111i\u1ec7n t\u1eed \u1edf \u0111\u00e2y th\u01b0\u1eddng l\u00e0 v\u1ecf l\u1eafp n\u1ed5i \u0111\u01b0\u1ee3c b\u1eaft tr\u1ef1c ti\u1ebfp v\u00e0o khung m\u00e0 kh\u00f4ng c\u1ea7n c\u1eaft s\u00e2u v\u00e0o khung c\u1eeda. \u0110i\u1ec1u n\u00e0y b\u1ea3o to\u00e0n t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac c\u1ee7a khung, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c khung kim lo\u1ea1i r\u1ed7ng n\u01a1i vi\u1ec7c c\u1eaft s\u00e2u c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu neo t\u01b0\u1eddng. <strong>Thi\u1ebft b\u1ecb tho\u00e1t Rim<\/strong> l\u00e0 ti\u00eau chu\u1ea9n tr\u00ean <a href=\"\/vi\/smart-door-lock-for-business\/\">b\u1ea3o v\u1ec7 c\u1eeda doanh nghi\u1ec7p<\/a> h\u1ec7 th\u1ed1ng ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 thanh ch\u1ed1ng ho\u1ea3ng lo\u1ea1n. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean x\u00e1c minh b\u1ea3ng c\u1eaft c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 \u0111\u1ed9 s\u00e2u khung t\u1ed1i thi\u1ec3u tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n<hr \/>\n<h2>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh v\u1ec1 k\u1ef9 thu\u1eadt: C\u00e1c c\u1ea5p \u0111\u1ed9 BHMA, l\u1ef1c n\u00e9n ban \u0111\u1ea7u v\u00e0 x\u1ebfp h\u1ea1ng ch\u1ed1ng ch\u00e1y<\/h2>\n<p>C\u00e1c ch\u1ec9 ti\u00eau th\u01b0\u01a1ng m\u1ea1i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng c\u01a1 kh\u00ed c\u1ee7a ch\u1ed1t v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a c\u1eeda c\u0169ng nh\u01b0 ti\u1ebfp x\u00fac m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c ch\u1ecdn ch\u1ed1t m\u00e0 kh\u00f4ng xem x\u00e9t \u0111\u1ebfn l\u1ef1c n\u00e9n v\u1eadt l\u00fd c\u1ee7a c\u1eeda ho\u1eb7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ch\u1ed1ng ch\u00e1y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c c\u01a1 kh\u00ed ho\u1eb7c vi ph\u1ea1m quy \u0111\u1ecbnh v\u1ec1 m\u00e3 s\u1ed1.<\/p>\n<h3>M\u1ee9c \u0111\u1ed9 ch\u1ecbu l\u1ef1c c\u1ee7a BHMA Lo\u1ea1i 1 so v\u1edbi Lo\u1ea1i 2<\/h3>\n<p>BHMA\/ANSI A156.31 \u0111\u1ecbnh ngh\u0129a ba c\u1ea5p \u0111\u1ed9 cho kh\u00f3a \u0111i\u1ec7n. C\u1ea5p \u0111\u1ed9 1 \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1ecbu l\u1ef1c t\u0129nh 1.500 lbs <strong>s\u1ee9c m\u1ea1nh gi\u1eef ch\u1eb7t<\/strong> v\u00e0 h\u01a1n 1.000.000 chu k\u1ef3, trong khi Lo\u1ea1i 2 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ebfn 750 lbs v\u00e0 500.000 chu k\u1ef3. Ch\u00fang t\u00f4i ch\u1ec9 \u0111\u1ecbnh Lo\u1ea1i 1 cho c\u00e1c l\u1ed1i v\u00e0o ch\u00ednh c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao, c\u1eeda c\u01a1 s\u1edf, v\u00e0 b\u1ea5t k\u1ef3 m\u1edf c\u1eeda n\u00e0o ch\u1ecbu s\u1ef1 s\u1eed d\u1ee5ng qu\u00e1 m\u1ee9c. Lo\u1ea1i 2 ph\u00f9 h\u1ee3p cho c\u1eeda v\u0103n ph\u00f2ng n\u1ed9i b\u1ed9 n\u01a1i l\u01b0u l\u01b0\u1ee3ng \u0111i l\u1ea1i d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1t.<\/p>\n<p><strong>C\u1ea3nh b\u00e1o ng\u01b0\u1eddi mua:<\/strong> \u0110\u00e1nh gi\u00e1 c\u1ea5p 1 tr\u00ean gi\u1ea5y kh\u00f4ng \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf n\u1ebfu vi\u1ec7c l\u1eafp \u0111\u1eb7t khung t\u1ea1o ra s\u1ef1 l\u1ec7ch l\u1ea1c. Ng\u01b0\u1eddi mua n\u00ean x\u00e1c minh ch\u1ee9ng nh\u1eadn BHMA tr\u00ean b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 x\u00e1c nh\u1eadn ph\u00f2ng th\u1eed nghi\u1ec7m.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th>\n<th style=\"text-align: left\">Grade 1<\/th>\n<th style=\"text-align: left\">Grade 2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">L\u1ef1c gi\u1eef t\u0129nh (lbs)<\/td>\n<td style=\"text-align: left\">1,500<\/td>\n<td style=\"text-align: left\">750<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Tu\u1ed5i th\u1ecd chu k\u1ef3 (ho\u1ea1t \u0111\u1ed9ng)<\/td>\n<td style=\"text-align: left\">1,000,000+<\/td>\n<td style=\"text-align: left\">500,000<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">S\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/td>\n<td style=\"text-align: left\">C\u00e1c l\u1ed1i v\u00e0o c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao, d\u00e0nh cho t\u1ed5 ch\u1ee9c<\/td>\n<td style=\"text-align: left\">N\u1ed9i th\u1ea5t th\u01b0\u01a1ng m\u1ea1i nh\u1eb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>D\u1eef li\u1ec7u ph\u1ea3n \u00e1nh m\u1ee9c t\u1ed1i thi\u1ec3u c\u1ee7a BHMA A156.31. X\u00e1c nh\u1eadn c\u00e1c b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf t\u1eeb nh\u00e0 cung c\u1ea5p.<\/em><\/p>\n<h3>Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee7a l\u1ef1c \u00e9p c\u1eeda<\/h3>\n<p><strong>L\u1ef1c t\u1ea3i tr\u01b0\u1edbc c\u1ee7a c\u1eeda<\/strong> l\u00e0 \u00e1p l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean b\u1ed9 gi\u1eef b\u1edfi ch\u1ed1t ch\u1eb7n khi c\u1eeda \u0111\u00f3ng \u2014 do c\u1eeda cong v\u00eanh, b\u1ed9 \u0111\u00f3ng m\u1ea1nh, \u00e1p l\u1ef1c x\u1ebfp ch\u1ed3ng t\u1eeb h\u1ec7 th\u1ed1ng HVAC ho\u1eb7c khung kh\u00f4ng \u0111\u1ec1u. N\u1ebfu l\u1ef1c t\u1ea3i tr\u01b0\u1edbc cao, nam ch\u00e2m \u0111i\u1ec7n ph\u1ea3i v\u01b0\u1ee3t qua ma s\u00e1t \u0111\u00f3 \u0111\u1ec3 quay tr\u1ee5c gi\u1eef. M\u1ed9t ch\u1ed1t ch\u1eb7n ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 ch\u1ec9 ph\u00e1t ra ti\u1ebfng k\u00eau b\u00edp v\u00e0 t\u1eeb ch\u1ed1i m\u1edf, m\u1eb7c d\u00f9 nam ch\u00e2m \u0111i\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>C\u00e1c ch\u1ed1t ch\u1eb7n \u0111i\u1ec7n t\u1eed \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3i tr\u01b0\u1edbc v\u00e0 gi\u1ea3i ph\u00f3ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y th\u00f4ng qua li\u00ean k\u1ebft c\u01a1 kh\u00ed ph\u1ee9c h\u1ee3p chuy\u1ec3n \u0111\u1ed5i l\u1ef1c k\u00e9o c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n th\u00e0nh h\u00e0nh \u0111\u1ed9ng cam, gi\u1ea3i ph\u00f3ng b\u1ed9 gi\u1eef d\u01b0\u1edbi l\u1ef1c t\u1ea3i tr\u01b0\u1edbc l\u00ean \u0111\u1ebfn 15\u201330 lbs. Ch\u00fang t\u00f4i lu\u00f4n khuy\u00ean d\u00f9ng \u0111o l\u1ef1c t\u1ea3i tr\u01b0\u1edbc b\u1eb1ng th\u01b0\u1edbc k\u00e9o trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t. N\u1ebfu k\u1ebft qu\u1ea3 v\u01b0\u1ee3t qu\u00e1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ch\u1ed1t, \u0111i\u1ec1u ch\u1ec9nh b\u1ed9 \u0111\u00f3ng ho\u1eb7c n\u00e2ng c\u1ea5p l\u00ean m\u1eabu c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3i tr\u01b0\u1edbc l\u00e0 gi\u1ea3i ph\u00e1p l\u00e2u d\u00e0i duy nh\u1ea5t.<\/p>\n<h3>X\u1ebfp h\u1ea1ng ch\u00e1y (UL 10C) v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1eddi ti\u1ebft (X\u1ebfp h\u1ea1ng IP)<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u1eeda c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1eeda, ch\u1ed1t ch\u1eb7n \u0111i\u1ec7n ph\u1ea3i l\u00e0 <strong>\u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u00e1y UL 10C<\/strong> cho b\u1ed9 l\u1eafp r\u00e1p c\u1eeda c\u1ee5 th\u1ec3. Ch\u1ee9ng nh\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u1ed1t kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y \u00e1p l\u1ef1c d\u01b0\u01a1ng c\u1ee7a c\u1eeda. Ch\u00fang t\u00f4i t\u00ecm ki\u1ebfm c\u00e1c ch\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ph\u00f9 h\u1ee3p v\u1edbi l\u00f5i c\u1eeda (kim lo\u1ea1i r\u1ed7ng, g\u1ed7) v\u00e0 th\u1eddi gian ch\u1ecbu l\u1eeda (20, 45, 60 ho\u1eb7c 90 ph\u00fat). M\u1ed9t ch\u1ed1t kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c nh\u00e3n ch\u1ed1ng ch\u00e1y c\u1ee7a c\u1eeda.<\/p>\n<p>Khi x\u00e1c \u0111\u1ecbnh ch\u1ed1t ch\u1eb7n \u0111i\u1ec7n ngo\u00e0i tr\u1eddi, x\u00e1c minh x\u1ebfp h\u1ea1ng IP (Ch\u1ed1ng x\u00e2m nh\u1eadp): t\u1ed1i thi\u1ec3u IP54 cho c\u00e1c l\u1ed1i v\u00e0o c\u00f3 m\u00e1i che, IP65 ho\u1eb7c cao h\u01a1n cho c\u00e1c v\u1ecb tr\u00ed ph\u01a1i n\u1eafng. M\u1eb7t tr\u01b0\u1edbc b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 cu\u1ed9n coil nam ch\u00e2m \u0111\u01b0\u1ee3c nh\u1ed3i k\u00edn ng\u0103n ng\u1eeba h\u01a1i \u1ea9m x\u00e2m nh\u1eadp v\u00e0 \u0103n m\u00f2n. Ch\u00fang t\u00f4i c\u0169ng ki\u1ec3m tra ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng n\u1ebfu c\u1eeda \u0111\u1ed1i m\u1eb7t tr\u1ef1c ti\u1ebfp v\u1edbi \u00e1nh n\u1eafng ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3ng b\u0103ng; m\u1ed9t s\u1ed1 nam ch\u00e2m \u0111i\u1ec7n b\u1ecb k\u1eb9t d\u01b0\u1edbi -30\u00b0F.<\/p>\n<hr \/>\n<h2>Thi\u1ebft k\u1ebf \u0111i\u1ec7n: \u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng, D\u00f2ng ti\u00eau th\u1ee5 v\u00e0 Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n<\/h2>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ed1t ch\u1eb7n \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ph\u00f9 h\u1ee3p gi\u1eefa \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng ti\u00eau th\u1ee5 c\u1ee7a thi\u1ebft b\u1ecb v\u1edbi ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p, c\u00f3 b\u1ed9 l\u1ecdc. D\u00f2ng \u0111i\u1ec7n ho\u1eb7c <strong>s\u1ee5t \u00e1p<\/strong> tr\u00ean c\u00e1c \u0111\u01b0\u1eddng d\u00e2y d\u00e0i g\u00e2y ra h\u1ecfng h\u00f3c nam ch\u00e2m \u0111i\u1ec7n v\u00e0 kh\u00f3a kh\u00f4ng li\u00ean t\u1ee5c.<\/p>\n<h3>H\u1ec7 th\u1ed1ng 12V DC so v\u1edbi 24V DC v\u00e0 AC<\/h3>\n<p>Ng\u00e0y nay, h\u1ea7u h\u1ebft b\u1ed9 \u0111i\u1ec1u khi\u1ec3n truy c\u1eadp xu\u1ea5t ra 12V DC ho\u1eb7c 24V DC. 24V DC \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c d\u00e2y d\u00e0i v\u00ec gi\u1ea3m m\u1ed9t n\u1eeda d\u00f2ng ti\u00eau th\u1ee5 cho c\u00f9ng c\u00f4ng su\u1ea5t nam ch\u00e2m \u0111i\u1ec7n, gi\u1ea3m s\u1ee5t \u00e1p. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng c\u0169 v\u1eabn s\u1eed d\u1ee5ng ch\u1ed1t AC (12VAC ho\u1eb7c 24VAC) ph\u00e1t ra ti\u1ebfng \u1ed3n khi ho\u1ea1t \u0111\u1ed9ng. Ti\u1ebfng \u1ed3n n\u00e0y l\u00e0 b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng AC, nh\u01b0ng c\u00e1c m\u1eabu DC th\u00ec im l\u1eb7ng v\u00e0 ph\u1ed5 bi\u1ebfn h\u01a1n trong c\u00e1c d\u1ef1 \u00e1n m\u1edbi.<\/p>\n<p>Ch\u00fang t\u00f4i th\u1ea5y c\u00e1c nh\u00e0 t\u00edch h\u1ee3p ti\u00eau chu\u1ea9n h\u00f3a s\u1eed d\u1ee5ng 24V DC cho to\u00e0n b\u1ed9 t\u00f2a nh\u00e0 \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c mua ngu\u1ed3n \u0111i\u1ec7n. N\u1ebfu b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u1ec9 cung c\u1ea5p 12V, c\u1ea7n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u0103ng \u00e1p ho\u1eb7c ngu\u1ed3n ri\u00eang bi\u1ec7t. Lu\u00f4n x\u00e1c nh\u1eadn \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh c\u1ee7a ch\u1ed1t v\u00e0 \u0111\u1ed9 dung sai c\u1ee7a n\u00f3; m\u1ed9t ch\u1ed1t c\u00f3 x\u1ebfp h\u1ea1ng 12V DC \u00b110% s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u1edf 10.5V.<\/p>\n<h3>Chu k\u1ef3 l\u00e0m vi\u1ec7c c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n: Li\u00ean t\u1ee5c so v\u1edbi gi\u00e1n \u0111o\u1ea1n<\/h3>\n<p>Chu k\u1ef3 l\u00e0m vi\u1ec7c c\u1ee7a nam ch\u00e2m \u0111i\u1ec7n l\u00e0 th\u00f4ng s\u1ed1 b\u1ecb b\u1ecf qua nhi\u1ec1u nh\u1ea5t trong qu\u00e1 tr\u00ecnh mua s\u1eafm. M\u1ed9t nam ch\u00e2m \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng theo ch\u1ebf \u0111\u1ed9 gi\u00e1n \u0111o\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong 2\u20135 gi\u00e2y m\u1ed7i l\u1ea7n k\u00edch ho\u1ea1t. N\u1ebfu s\u1eed d\u1ee5ng trong \u1ee9ng d\u1ee5ng an to\u00e0n khi m\u1ea5t \u0111i\u1ec7n, n\u01a1i nam ch\u00e2m \u0111i\u1ec7n ph\u1ea3i gi\u1eef trong nhi\u1ec1u gi\u1edd, cu\u1ed9n d\u00e2y s\u1ebd qu\u00e1 n\u00f3ng, c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u01b0 h\u1ecfng, v\u00e0 ch\u1ed1t s\u1ebd h\u1ecfng v\u0129nh vi\u1ec5n \u2014 \u0111\u00f4i khi ch\u1ec9 trong v\u00e0i ng\u00e0y.<\/p>\n<p>Ch\u00fang t\u00f4i y\u00eau c\u1ea7u <strong>nam ch\u00e2m \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c<\/strong> \u0111\u00e1nh gi\u00e1 cho b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t an to\u00e0n n\u00e0o. C\u00e1c cu\u1ed9n solenoid ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c s\u1eed d\u1ee5ng l\u1edbp c\u00e1ch nhi\u1ec7t ch\u1ecbu nhi\u1ec7t cao h\u01a1n v\u00e0 th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t ch\u1ed1t c\u01a1 kh\u00ed gi\u1eef ch\u1ed1t m\u00e0 kh\u00f4ng c\u1ea7n d\u00f2ng \u0111i\u1ec7n duy tr\u00ec. Khi \u0111\u00e1nh gi\u00e1 m\u1ed9t b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, h\u00e3y t\u00ecm ki\u1ebfm c\u1ee5 th\u1ec3 \u201cho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c\u201d ho\u1eb7c \u201cchu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng 100%\u201d.<\/p>\n<h3>T\u00ednh to\u00e1n S\u1ee5t \u00e1p v\u00e0 K\u00edch th\u01b0\u1edbc Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n<\/h3>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p hi\u1ec7u qu\u1ea3 t\u1ea1i ch\u1ed1t, s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c: V_drop = (2 * L * R_per_ft * I) trong \u0111\u00f3 L l\u00e0 chi\u1ec1u d\u00e0i d\u00e2y m\u1ed9t chi\u1ec1u t\u00ednh b\u1eb1ng feet, R_per_ft l\u00e0 \u0111i\u1ec7n tr\u1edf c\u1ee7a d\u00e2y (v\u00ed d\u1ee5, d\u00e2y 18 AWG: 0.00638 ohms\/ft t\u1ea1i 20\u00b0C), v\u00e0 I l\u00e0 d\u00f2ng ti\u00eau th\u1ee5 c\u1ee7a ch\u1ed1t t\u00ednh b\u1eb1ng ampe. N\u1ebfu \u0111i\u1ec7n \u00e1p t\u1ea1i \u0111\u1ea7u ra gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng t\u1ed1i thi\u1ec3u c\u1ee7a ch\u1ed1t, cu\u1ed9n solenoid s\u1ebd kh\u00f4ng k\u00e9o v\u00e0o.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t tham kh\u1ea3o nhanh cho ch\u1ed1t 24V DC, 0.3 A:<\/p>\n<ul>\n<li>18 AWG l\u00ean \u0111\u1ebfn 150 ft: s\u1ee5t \u00e1p \u2248 0.57V \u2014 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/li>\n<li>18 AWG l\u00ean \u0111\u1ebfn 300 ft: s\u1ee5t \u00e1p \u2248 1.15V \u2014 c\u1eadn bi\u00ean, ki\u1ec3m tra dung sai<\/li>\n<li>22 AWG l\u00ean \u0111\u1ebfn 150 ft: s\u1ee5t \u00e1p \u2248 1.45V \u2014 c\u00f3 th\u1ec3 d\u01b0\u1edbi ng\u01b0\u1ee1ng<\/li>\n<\/ul>\n<p>Ch\u00fang t\u00f4i c\u0169ng khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn ngu\u1ed3n \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t g\u1ea5p 150% t\u1ea3i li\u00ean t\u1ee5c t\u1ed5ng c\u1ed9ng, bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c l\u1ea7n k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi, \u0111\u1ec3 ng\u0103n s\u1ee5t \u00e1p trong th\u1eddi gian nhu c\u1ea7u cao \u0111i\u1ec3m. \u0110\u1ed1i v\u1edbi <a href=\"\/vi\/poe-access-control\/\">Ki\u1ec3m so\u00e1t truy c\u1eadp PoE<\/a> h\u1ec7 th\u1ed1ng, b\u1ed9 c\u1ea5p ngu\u1ed3n PoE chuy\u00ean d\u1ee5ng v\u1edbi ng\u00e2n s\u00e1ch \u0111\u1ee7 cho m\u1ed7i c\u1ed5ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<hr \/>\n<h2>Nh\u1eefng Sai L\u1ea7m Ph\u1ed5 Bi\u1ebfn Khi L\u1eafp \u0110\u1eb7t, C\u0103n Ch\u1ec9nh v\u00e0 T\u00edch H\u1ee3p C\u1ea7n Tr\u00e1nh<\/h2>\n<p>H\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh v\u1edbi ch\u1ed1t \u0111i\u1ec7n b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c c\u0103n ch\u1ec9nh k\u00e9m gi\u1eefa ch\u1ed1t kh\u00f3a v\u00e0 ng\u00e0m gi\u1eef c\u1ee7a ch\u1ed1t \u0111i\u1ec7n, thay v\u00ec l\u1ed7i \u0111i\u1ec7n. L\u1eafp \u0111\u1eb7t c\u01a1 kh\u00ed \u0111\u00fang c\u00e1ch l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c cu\u1ed9c g\u1ecdi b\u1ea3o tr\u00ec li\u00ean t\u1ee5c.<\/p>\n<h3>Sai l\u1ec7ch ngang c\u1ee7a ch\u1ed1t kh\u00f3a v\u00e0 ng\u00e0m gi\u1eef<\/h3>\n<p>N\u1ebfu ch\u1ed1t kh\u00f3a \u0111i v\u00e0o ng\u00e0m gi\u1eef qu\u00e1 s\u00e2u, n\u00f3 s\u1ebd t\u1ea1o \u00e1p l\u1ef1c l\u00ean ng\u00e0m gi\u1eef theo h\u01b0\u1edbng l\u00ean tr\u00ean; qu\u00e1 n\u00f4ng, v\u00e0 c\u1eeda s\u1ebd kh\u00f4ng kh\u00f3a v\u00ec ch\u1ed1t kh\u00f4ng bao gi\u1edd v\u00e0o h\u1ebft. K\u1ebft qu\u1ea3 l\u00e0 ch\u1ed1t \u0111i\u1ec7n b\u1ecb k\u1eb9t ho\u1eb7c c\u1eeda b\u1eadt m\u1edf v\u1edbi l\u1ef1c nh\u1eb9. Ch\u00fang t\u00f4i c\u0103n ch\u1ec9nh ng\u00e0m gi\u1eef sao cho ch\u1ed1t kh\u00f3a \u0103n v\u00e0o kho\u1ea3ng 1\/8\u2033 \u0111\u1ebfn 3\/16\u2033 sau m\u00e9p, kh\u00f4ng b\u1ecb k\u1eb9t d\u1ecdc. Vi\u1ec7c ch\u00eam b\u1ea3n l\u1ec1 th\u01b0\u1eddng kh\u1eafc ph\u1ee5c sai l\u1ec7ch ngang hi\u1ec7u qu\u1ea3 h\u01a1n l\u00e0 di chuy\u1ec3n v\u1ecb tr\u00ed ch\u1ed1t \u0111i\u1ec7n.<\/p>\n<h3>C\u1eaft sai v\u00e0 suy gi\u1ea3m t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac khung<\/h3>\n<p>C\u1eaft khung \u0111\u1ec3 l\u1eafp ch\u1ed1t \u0111i\u1ec7n l\u00e0 m\u1ed9t quy tr\u00ecnh m\u1ed9t chi\u1ec1u. Lo\u1ea1i b\u1ecf qu\u00e1 nhi\u1ec1u kim lo\u1ea1i g\u1ea7n m\u1eb7t ho\u1eb7c \u0111i\u1ec3m neo khung, v\u00e0 khung c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u2014 c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t kim lo\u1ea1i r\u1ed7ng ho\u1eb7c l\u00e0m suy y\u1ebfu kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y. Ch\u00fang t\u00f4i lu\u00f4n khuy\u00ean d\u00f9ng c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1t \u0111i\u1ec7n <a href=\"\/vi\/products\/\">c\u1ea5u h\u00ecnh th\u1ea5p<\/a> y\u00eau c\u1ea7u lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u khung t\u1ed1i thi\u1ec3u, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi khung ch\u1ed1ng ch\u00e1y. Khi kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi vi\u1ec7c c\u1eaft s\u00e2u, ch\u00fang t\u00f4i gia c\u1ed1 khung b\u1eb1ng \u1ed1ng h\u1ed9p h\u00e0n ho\u1eb7c t\u1ea5m \u0111\u1ec7m \u0111\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u1ed9 c\u1ee9ng.<\/p>\n<hr \/>\n<h2>Ma tr\u1eadn v\u00e0 Danh s\u00e1ch ki\u1ec3m tra mua ch\u1ed1t \u0111i\u1ec7n B2B<\/h2>\n<p>S\u1eed d\u1ee5ng ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh n\u00e0y \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu ph\u1ea7n c\u1ee9ng c\u1eeda v\u1eadt l\u00fd, c\u1ea5u tr\u00fac khung v\u00e0 c\u00e1c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi ch\u1ecdn m\u1eabu ch\u1ed1t \u0111i\u1ec7n.<\/p>\n<h3>So s\u00e1nh t\u00ednh t\u01b0\u01a1ng th\u00edch ph\u1ea7n c\u1ee9ng v\u00e0 b\u1ed9 kh\u00f3a<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Lo\u1ea1i kh\u00f3a<\/th>\n<th style=\"text-align: left\">C\u1ea5u h\u00ecnh ch\u1ed1t \u0111i\u1ec7n<\/th>\n<th style=\"text-align: left\">V\u1ebft c\u1eaft \u0111i\u1ec3n h\u00ecnh<\/th>\n<th style=\"text-align: left\">\u0110\u1ed9 b\u1ec1n gi\u1eef trung b\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">H\u00ecnh tr\u1ee5<\/td>\n<td style=\"text-align: left\">B\u1ea3ng m\u1eb7t ANSI 4-7\/8\u2033<\/td>\n<td style=\"text-align: left\">Ch\u1ecbu t\u1ea3i ti\u00eau chu\u1ea9n, n\u00f4ng<\/td>\n<td style=\"text-align: left\">750\u20131.500 lbs<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Kh\u00f3a mortise<\/td>\n<td style=\"text-align: left\">L\u1ee3i m\u1edf m\u1edf r\u1ed9ng, kh\u00f3a ch\u1ebft recapture<\/td>\n<td style=\"text-align: left\">H\u1ed9p khung s\u00e2u<\/td>\n<td style=\"text-align: left\">1.200\u20131.500 lbs<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Tho\u00e1t ra b\u1eb1ng v\u00e0nh<\/td>\n<td style=\"text-align: left\">V\u1ecf b\u1ecdc g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t<\/td>\n<td style=\"text-align: left\">C\u1eaft t\u1ed1i thi\u1ec3u ho\u1eb7c kh\u00f4ng c\u1eaft<\/td>\n<td style=\"text-align: left\">Th\u00f4ng th\u01b0\u1eddng 1.500 lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>S\u1ee9c gi\u1eef ch\u1eb7t \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea l\u00e0 \u0111i\u1ec3n h\u00ecnh cho c\u00e1c m\u1eabu BHMA Lo\u1ea1i 1. Lu\u00f4n x\u00e1c nh\u1eadn v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t.<\/em><\/p>\n<h3>Danh s\u00e1ch ki\u1ec3m tra Tu\u00e2n th\u1ee7 ph\u00e1p l\u00fd v\u00e0 M\u00f4i tr\u01b0\u1eddng<\/h3>\n<p>Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng danh s\u00e1ch n\u00e0y trong c\u00e1c \u0111\u00e1nh gi\u00e1 mua h\u00e0ng \u0111\u1ec3 tr\u00e1nh thay th\u1ebf v\u00e0o giai \u0111o\u1ea1n cu\u1ed1i:<\/p>\n<ul>\n<li>X\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a ch\u1ed1t <strong>UL 10C<\/strong> li\u1ec7t k\u00ea cho x\u1ebfp h\u1ea1ng ch\u00e1y c\u1ee7a b\u1ed9 c\u1eeda.<\/li>\n<li>X\u00e1c nh\u1eadn ch\u1ebf \u0111\u1ed9 tho\u00e1t hi\u1ec3m ( an to\u00e0n th\u1ea5t b\u1ea1i \/ an to\u00e0n b\u1ea3o m\u1eadt th\u1ea5t b\u1ea1i ) v\u1edbi th\u01b0 ch\u1ea5p thu\u1eadn c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd \u0111\u1ecba ph\u01b0\u01a1ng.<\/li>\n<li>Ki\u1ec3m tra ch\u1ee9ng nh\u1eadn X\u1ebfp h\u1ea1ng BHMA so v\u1edbi ph\u00e2n t\u00edch giao th\u00f4ng.<\/li>\n<li>Xem x\u00e9t x\u1ebfp h\u1ea1ng IP v\u00e0 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 cho c\u00e1c m\u1edf c\u1eeda ngo\u00e0i tr\u1eddi.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o ho\u00e0n thi\u1ec7n m\u1eb7t m\u1eb7t n\u1ea1 v\u00e0 k\u00edch th\u01b0\u1edbc c\u1eaft ph\u00f9 h\u1ee3p v\u1edbi khung hi\u1ec7n c\u00f3 ho\u1eb7c \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt ki\u1ebfn tr\u00fac.<\/li>\n<li>X\u00e1c nh\u1eadn ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n c\u00f3 th\u1ec3 cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c li\u00ean t\u1ee5c cho t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u00f9ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>X\u00e1c nh\u1eadn r\u1eb1ng c\u00e1c ch\u1ebf \u0111\u1ed9 v\u01b0\u1ee3t qua kh\u1ea9n c\u1ea5p (giao di\u1ec7n b\u00e1o ch\u00e1y) s\u1ebd gi\u1ea3i ph\u00f3ng ch\u1ed1t nh\u01b0 y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi <a href=\"\/vi\/commercial-access-control-locks\/\">kh\u00f3a ki\u1ec3m so\u00e1t truy c\u1eadp th\u01b0\u01a1ng m\u1ea1i<\/a>, c\u00e1c b\u01b0\u1edbc x\u00e1c minh n\u00e0y gi\u1ea3m thi\u1ec3u c\u00e1c \u0111\u01a1n h\u00e0ng thay \u0111\u1ed5i v\u00e0 gi\u1eef cho ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n \u0111\u00fang k\u1ebf ho\u1ea1ch.<\/p>\n<hr \/>\n<h2>S\u1eb5n s\u00e0ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea7n c\u1ee9ng ki\u1ec3m so\u00e1t truy c\u1eadp c\u1ee7a b\u1ea1n?<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn ch\u1ed1t \u0111i\u1ec7n ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi b\u1ea3n v\u1ebd ki\u1ebfn tr\u00fac, t\u00ednh to\u00e1n t\u1ea3i \u0111i\u1ec7n v\u00e0 m\u00e3 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u1ecba ph\u01b0\u01a1ng. Ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y r\u1eb1ng m\u1ed9t cu\u1ed9c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt 15 ph\u00fat gi\u00fap ng\u0103n ch\u1eb7n h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i l\u1eafp \u0111\u1eb7t th\u1ef1c \u0111\u1ecba v\u00e0 h\u1ed7 tr\u1ee3 nh\u00f3m mua h\u00e0ng x\u00e1c \u0111\u1ecbnh \u0111\u00fang m\u00e3 s\u1ed1 linh ki\u1ec7n s\u1edbm.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c tr\u00ean m\u1ed9t d\u1ef1 \u00e1n th\u01b0\u01a1ng m\u1ea1i nhi\u1ec1u c\u1eeda, h\u00e3y li\u00ean h\u1ec7 v\u1edbi nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i v\u1edbi l\u1ecbch tr\u00ecnh c\u1eeda, v\u1eadt li\u1ec7u khung, m\u1eabu kh\u00f3a v\u00e0 y\u00eau c\u1ea7u chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng. Ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 gi\u00e1 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c ho\u00e0n thi\u1ec7n t\u00f9y ch\u1ec9nh tr\u1ef1c ti\u1ebfp t\u1eeb nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i <a href=\"\/vi\/electronic-door-lock-factory\/\">d\u00f2ng s\u1ea3n xu\u1ea5t kh\u00f3a \u0111i\u1ec7n t\u1eed.<\/a> Vi\u1ec7c c\u00f3 s\u1eb5n c\u00e1c y\u00eau c\u1ea7u tho\u00e1t hi\u1ec3m c\u1ee7a ki\u1ec3m tra ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u00e0 s\u01a1 \u0111\u1ed3 wiring \u0111\u01a1n gi\u1ea3n s\u1ebd gi\u00fap cu\u1ed9c g\u1ecdi hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<hr \/>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ch\u1ed1t \u0111i\u1ec7n v\u00e0 kh\u00f3a t\u1eeb l\u00e0 g\u00ec?<\/h3>\n<p>Ch\u1ed1t \u0111i\u1ec7n t\u00edch h\u1ee3p v\u1edbi ch\u1ed1t c\u01a1 h\u1ecdc v\u00e0 cho ph\u00e9p tho\u00e1t hi\u1ec3m t\u1ef1 do b\u1eb1ng c\u00e1ch xoay tay n\u1eafm b\u00ean trong, trong khi kh\u00f3a t\u1eeb gi\u1eef c\u1eeda \u0111\u00f3ng b\u1eb1ng nam ch\u00e2m \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u c\u1ea3m bi\u1ebfn tho\u00e1t hi\u1ec3m b\u1ed5 sung c\u00f9ng n\u00fat tho\u00e1t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng m\u00e3 ph\u00f2ng ch\u00e1y. Ch\u1ed1t l\u1eafp trong khung; kh\u00f3a t\u1eeb l\u1eafp tr\u00ean m\u1eb7t khung v\u00e0 c\u1eeda.<\/p>\n<h3>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ed1t \u0111i\u1ec7n tr\u00ean c\u1eeda th\u01b0\u01a1ng m\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1eeda kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng ch\u1ed1t ph\u1ea3i \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea UL 10C v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1eeda cho b\u1ed9 c\u1eeda c\u1ee5 th\u1ec3 \u0111\u00f3. N\u00f3 c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh l\u00e0 fail-secure \u0111\u1ec3 gi\u1eef ch\u1ed1t ho\u1ea1t \u0111\u1ed9ng trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n, \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t kh\u00f3i v\u00e0 l\u1eeda.<\/p>\n<h3>T\u1ea1i sao ch\u1ed1t \u0111i\u1ec7n c\u1ee7a t\u00f4i l\u1ea1i k\u00eau \u00f9 \u00f9 nh\u01b0ng kh\u00f4ng m\u1edf kh\u00f3a?<\/h3>\n<p>Ti\u1ebfng k\u00eau \u00f9 th\u01b0\u1eddng ch\u1ec9 ra ngu\u1ed3n \u0111i\u1ec7n AC (th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c ch\u1ed1t c\u0169), nh\u01b0ng vi\u1ec7c kh\u00f4ng m\u1edf kh\u00f3a th\u01b0\u1eddng do \u00e1p l\u1ef1c n\u1ea1p qu\u00e1 m\u1ee9c l\u00ean b\u1ed9 gi\u1eef, cu\u1ed9n solenoid b\u1ecb ch\u00e1y ho\u1eb7c \u0111i\u1ec7n \u00e1p th\u1ea5p t\u1ea1i \u0111\u1ea7u ra c\u1ee7a ch\u1ed1t do gi\u1ea3m \u0111i\u1ec7n \u00e1p qua d\u00e2y d\u00e0i.<\/p>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 preload c\u1ee7a c\u1eeda?<\/h3>\n<p>\u0110i\u1ec1u ch\u1ec9nh b\u1ed9 \u0111\u00f3ng c\u1eeda \u0111\u1ec3 gi\u1ea3m l\u1ef1c \u0111\u00f3ng, k\u00ea shim b\u00ean b\u1ea3n l\u1ec1 \u0111\u1ec3 c\u0103n ch\u1ec9nh ch\u1ed1t, ho\u1eb7c n\u00e2ng c\u1ea5p l\u00ean m\u1eabu ch\u1ed1t \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u01a1 ch\u1ebf gi\u1ea3i ph\u00f3ng preload. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, c\u1ee7ng c\u1ed1 khung \u0111\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng g\u00e2y k\u1eb9t.<\/p>\n<h3>C\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t kh\u00f3a \u0111i\u1ec7n ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng b\u1ea1n ph\u1ea3i ch\u1ec9 \u0111\u1ecbnh kh\u00f3a \u0111i\u1ec7n ch\u1ecbu ngo\u00e0i tr\u1eddi v\u1edbi x\u1ebfp h\u1ea1ng IP65 tr\u1edf l\u00ean, m\u1eb7t b\u00edch b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, v\u00e0 \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn. X\u00e1c minh ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 tr\u00e1nh h\u1ecfng solenoid trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3ng b\u0103ng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao.<\/p>","protected":false},"excerpt":{"rendered":"<p>A facility manager told us recently that they only compared voltage and finish when replacing door strikes. We\u2019ve seen that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2753","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-knowledge"],"_links":{"self":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/comments?post=2753"}],"version-history":[{"count":2,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2753\/revisions"}],"predecessor-version":[{"id":2756,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/posts\/2753\/revisions\/2756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/media\/2755"}],"wp:attachment":[{"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/media?parent=2753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/categories?post=2753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/govelocks.com\/vi\/wp-json\/wp\/v2\/tags?post=2753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}