{"id":44036,"date":"2023-04-25T16:33:32","date_gmt":"2023-04-25T21:33:32","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-frequency-do-ultrasonic-humidifiers-use\/"},"modified":"2025-01-21T07:27:44","modified_gmt":"2025-01-21T12:27:44","slug":"what-frequency-do-ultrasonic-humidifiers-use","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/what-frequency-do-ultrasonic-humidifiers-use\/","title":{"rendered":"T\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u1ea1o \u1ea9m si\u00eau \u00e2m l\u00e0 bao nhi\u00eau?"},"content":{"rendered":"<p>M\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u gia \u0111\u00ecnh nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m t\u0103ng \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 y\u00ean t\u0129nh.  Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang d\u1ef1a tr\u00ean vi\u1ec7c s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o ra s\u01b0\u01a1ng m\u00f9 m\u1ecbn. V\u1eady t\u1ea7n s\u1ed1 s\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m n\u00e0y l\u00e0 bao nhi\u00eau v\u00e0 n\u00f3 \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ecm hi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<h3>T\u1ea7n s\u1ed1 si\u00eau \u00e2m v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>M\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m si\u00eau \u00e2m s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 ph\u1eadn g\u1ecdi l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n. B\u1ed9 ph\u1eadn n\u00e0y rung \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 1.7MHz \u0111\u1ebfn 2.5MHz, t\u1ea1o ra s\u00f3ng \u00e2m thanh cao t\u1ea7n. S\u00f3ng \u00e2m n\u00e0y t\u00e1c \u0111\u1ed9ng l\u00ean n\u01b0\u1edbc, t\u1ea1o ra \u00e1p su\u1ea5t \u0111\u1ee7 l\u1edbn \u0111\u1ec3 ph\u00e1 v\u1ee1 b\u1ec1 m\u1eb7t n\u01b0\u1edbc th\u00e0nh nh\u1eefng h\u1ea1t s\u01b0\u01a1ng c\u1ef1c nh\u1ecf.  Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng t\u1ea1o ra nhi\u1ec7t, n\u00ean s\u01b0\u01a1ng \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 nhi\u1ec7t \u0111\u1ed9 g\u1ea7n v\u1edbi nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/p>\n<h3>\u1ea2nh h\u01b0\u1edfng c\u1ee7a t\u1ea7n s\u1ed1 \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t s\u01b0\u01a1ng<\/h3>\n<p>T\u1ea7n s\u1ed1 si\u00eau \u00e2m \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ea1t s\u01b0\u01a1ng \u0111\u01b0\u1ee3c t\u1ea1o ra. T\u1ea7n s\u1ed1 c\u00e0ng cao, h\u1ea1t s\u01b0\u01a1ng c\u00e0ng nh\u1ecf v\u00e0 m\u1ecbn.  \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u01b0\u01a1ng s\u1ebd d\u1ec5 d\u00e0ng khu\u1ebfch t\u00e1n v\u00e0o kh\u00f4ng kh\u00ed h\u01a1n v\u00e0 \u00edt g\u00e2y \u0111\u1ecdng n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t xung quanh.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>T\u1ea7n s\u1ed1 (MHz)<\/th>\n<th>K\u00edch th\u01b0\u1edbc h\u1ea1t s\u01b0\u01a1ng (\u00b5m)<\/th>\n<th>\u0110\u1ed9 khu\u1ebfch t\u00e1n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.7<\/td>\n<td>&gt; 5<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>2.0<\/td>\n<td>3-5<\/td>\n<td>T\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>2.5<\/td>\n<td>&lt; 3<\/td>\n<td>R\u1ea5t t\u1ed1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>T\u1ea7n s\u1ed1 ph\u1ed5 bi\u1ebfn trong m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m<\/h3>\n<p>Ph\u1ea7n l\u1edbn c\u00e1c m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m si\u00eau \u00e2m tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng t\u1eeb 1.7MHz \u0111\u1ebfn 2.5MHz. T\u1ea7n s\u1ed1 1.7MHz ph\u1ed5 bi\u1ebfn \u1edf c\u00e1c d\u00f2ng m\u00e1y gi\u00e1 r\u1ebb h\u01a1n, trong khi t\u1ea7n s\u1ed1 2.4MHz v\u00e0 2.5MHz th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y cao c\u1ea5p h\u01a1n, cho hi\u1ec7u su\u1ea5t t\u1ea1o s\u01b0\u01a1ng t\u1ed1t h\u01a1n v\u00e0 \u00edt ti\u1ebfng \u1ed3n h\u01a1n.<\/p>\n<h3>\u0110\u1ed9 \u1ed3n v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/h3>\n<p>T\u1ea7n s\u1ed1 si\u00eau \u00e2m c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed3n c\u1ee7a m\u00e1y. M\u1eb7c d\u00f9 s\u00f3ng si\u00eau \u00e2m n\u1eb1m ngo\u00e0i ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi, nh\u01b0ng vi\u1ec7c rung \u0111\u1ed9ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t ti\u1ebfng \u1ed3n nh\u1ecf.  C\u00e1c m\u00e1y s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 cao h\u01a1n th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u00eam \u00e1i h\u01a1n. M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng c\u1ee7a m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m si\u00eau \u00e2m th\u01b0\u1eddng kh\u00f4ng qu\u00e1 cao v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o t\u1ea7n s\u1ed1 si\u00eau \u00e2m.<\/p>\n<h3>V\u00ed d\u1ee5 v\u1ec1 t\u1ea7n s\u1ed1 si\u00eau \u00e2m trong th\u1ef1c t\u1ebf<\/h3>\n<p>M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o nh\u00e0 s\u1ea3n xu\u1ea5t c\u0169ng c\u00f4ng b\u1ed1 r\u00f5 r\u00e0ng t\u1ea7n s\u1ed1 si\u00eau \u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng n\u1ebfu t\u00ecm hi\u1ec3u k\u1ef9 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u0111\u00f4i khi ta c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y th\u00f4ng tin n\u00e0y.  V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m c\u1ee7a Beijing Ultrasonic \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 si\u00eau \u00e2m cao \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t t\u1ea1o s\u01b0\u01a1ng.<\/p>\n<p>T\u00f3m l\u1ea1i, t\u1ea7n s\u1ed1 si\u00eau \u00e2m l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m.  Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m v\u1edbi t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng t\u1ea1o s\u01b0\u01a1ng, \u0111\u1ed9 \u1ed3n v\u00e0  \u0111\u1ed9 khu\u1ebfch t\u00e1n s\u01b0\u01a1ng trong kh\u00f4ng gian s\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y t\u1ea1o \u0111\u1ed9 \u1ea9m si\u00eau \u00e2m \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u gia \u0111\u00ecnh nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m t\u0103ng \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 y\u00ean t\u0129nh. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang d\u1ef1a tr\u00ean vi\u1ec7c s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o ra s\u01b0\u01a1ng m\u00f9 m\u1ecbn. V\u1eady t\u1ea7n s\u1ed1 s\u00f3ng<\/p>\n","protected":false},"author":1,"featured_media":26448,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-44036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/44036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=44036"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/44036\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26448"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=44036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=44036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=44036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}