{"id":26410,"date":"2022-08-27T14:40:48","date_gmt":"2022-08-27T07:40:48","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=26410"},"modified":"2024-07-02T02:06:12","modified_gmt":"2024-07-01T19:06:12","slug":"ro-le-la-gi-cau-tao-va-ung-dung-cua-ro-le-tren-thuc-te","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=26410","title":{"rendered":"R\u01a1 le l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a r\u01a1 le tr\u00ean th\u1ef1c t\u1ebf"},"content":{"rendered":"

R\u01a1 le<\/strong> hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 Relay. N\u00f3 l\u00e0 thi\u1ebft b\u1ecb v\u00f4 c\u00f9ng quan tr\u1ecdng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n. V\u1eady b\u1ea1n \u0111\u00e3 bi\u1ebft r\u01a1 le l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a r\u01a1 le tr\u00ean th\u1ef1c t\u1ebf nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u00ecm l\u1eddi gi\u1ea3i \u0111\u00e1p nh\u00e9!<\/span><\/p>\n

\"R\u01a1
R\u01a1 le l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a r\u01a1 le tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n

Xem th\u00eam:\u00a0HLV. D\u01b0\u01a1ng \u0110\u1ee9c Hi\u1ebfu h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 Card Wifi<\/a><\/span><\/p><\/blockquote>\n

R\u01a1 le l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

R\u01a1 le (Relay) l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc thay \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9ng b\u1eb1ng \u0111i\u1ec7n. C\u00f4ng t\u1eafc n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u00f3ng c\u1eaft c\u00e1c d\u00f2ng \u0111i\u1ec7n l\u1edbn m\u00e0 h\u1ec7 th\u1ed1ng kh\u00f4ng th\u1ec3 can thi\u1ec7p tr\u1ef1c ti\u1ebfp. N\u00f3 t\u00edch h\u1ee3p trong thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c b\u1eb1ng c\u00e1ch b\u1eadt v\u00e0 t\u1eaft c\u00f4ng t\u1eafc.<\/span><\/p>\n

\"H\u00ecnh
H\u00ecnh \u1ea3nh r\u01a1 le tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n

C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a r\u01a1 le<\/strong><\/span><\/h2>\n

R\u01a1 le c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u1ea3 b\u1eb1ng c\u1ea3 2 c\u00e1ch: \u0110i\u1ec7n v\u00e0 c\u01a1. R\u01a1 le bao g\u1ed3m 1 t\u1eadp h\u1ee3p nh\u1eefng ti\u1ebfp \u0111i\u1ec3m v\u00e0 nam ch\u00e2m \u0111i\u1ec7n, gi\u00fap th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i gi\u1eefa b\u1eadt v\u00e0 t\u1eaft.<\/span><\/p>\n

C\u1ea5u t\u1ea1o c\u1ee7a r\u01a1 le \u0111\u01b0\u1ee3c chia ra th\u00e0nh:<\/span><\/p>\n

Ti\u1ebfp \u0111i\u1ec3m\u00a0<\/span><\/h3>\n

\u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a r\u01a1 le. N\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a r\u01a1 le. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ti\u1ebfp \u0111i\u1ec3m l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.\u00a0<\/span><\/p>\n

V\u00f2ng bi<\/span><\/h3>\n

V\u00f2ng bi \u0111\u01a1n, bi nhi\u1ec1u v\u00f2ng, bi tr\u1ee5c hay b\u1ea1c \u0111\u1ea1n l\u00e0 nh\u1eefng v\u00ed d\u1ee5 v\u1ec1 v\u00f2ng bi. M\u1ed9t v\u00f2ng bi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1eb1m \u0111\u1ea1t \u0111\u1ed9 nh\u1ea1y t\u1ed1i \u0111a v\u00e0 ma s\u00e1t t\u1ed1i thi\u1ec3u. \u1ed4 bi \u0111a c\u00f3 h\u1ec7 s\u1ed1 ma s\u00e1t nh\u1ecf v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t h\u01a1n.<\/span><\/p>\n

Thi\u1ebft k\u1ebf c\u01a1 \u0111i\u1ec7n<\/span><\/h3>\n

K\u1ebft c\u1ea5u c\u01a1 \u0111i\u1ec7n bao g\u1ed3m vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c m\u1ea1ch t\u1eeb v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u01a1 h\u1ecdc l\u00f5i, nan hoa v\u00e0 c\u00e1nh tay \u0111\u00f2n. \u0110\u1ec3 hi\u1ec7u su\u1ea5t c\u1ee7a \u0111o\u1ea1n m\u1ea1ch t\u1ed1i \u0111a th\u00ec ph\u1ea3i gi\u1eef c\u1ea3m kh\u00e1ng \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb \u1edf m\u1ee9c nh\u1ecf nh\u1ea5t.<\/span><\/p>\n

\u0110\u1ea7u cu\u1ed1i v\u00e0 v\u1ecf<\/span><\/h3>\n

C\u00f9ng v\u1edbi l\u00f2 xo, m\u1ed9t ph\u1ea7n \u1ee9ng \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p v\u1edbi nam ch\u00e2m v\u00e0 \u0111\u1ebf. Nh\u1edd c\u00e1ch ly l\u00f2 xo kh\u1ecfi ph\u1ea7n c\u1ee9ng, c\u00e1c kh\u1ed1i \u0111\u00fac s\u1ebd t\u1ea1o ra \u0111\u01b0\u1ee3c s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc. C\u00e1c ti\u1ebfp \u0111i\u1ec3m v\u0129nh vi\u1ec5n th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00e0n c\u1ed1 \u0111\u1ecbnh tr\u00ean li\u00ean k\u1ebft \u0111\u1ea7u cu\u1ed1i.<\/span><\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a R\u01a1le tr\u00ean th\u1ef1c t\u1ebf<\/strong><\/span><\/h2>\n

M\u1ed9t v\u00e0i \u1ee9ng d\u1ee5ng n\u1ed5i tr\u1ed9i c\u1ee7a R\u01a1 le tr\u00ean th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/span><\/p>\n