{"id":51068,"date":"2023-04-21T14:12:38","date_gmt":"2023-04-21T19:12:38","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-do-ultrasonic-cleaners-work\/"},"modified":"2025-01-21T07:11:32","modified_gmt":"2025-01-21T12:11:32","slug":"how-do-ultrasonic-cleaners-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-do-ultrasonic-cleaners-work\/","title":{"rendered":"B\u00ed m\u1eadt l\u00e0m s\u1ea1ch si\u00eau \u00e2m: Hi\u1ec7u qu\u1ea3 \u0111\u1ebfn t\u1eeb \u0111\u00e2u?"},"content":{"rendered":"<p>M\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 nha khoa \u0111\u1ebfn c\u00f4ng nghi\u1ec7p v\u00e0 gia d\u1ee5ng. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00f4ng ngh\u1ec7 l\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3 n\u00e0y.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m<\/h3>\n<p>M\u00e1y r\u1eeda si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd cavitation (hi\u1ec7n t\u01b0\u1ee3ng t\u1ea1o xoang). Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi s\u00f3ng si\u00eau \u00e2m, l\u00e0 nh\u1eefng s\u00f3ng \u00e2m thanh c\u00f3 t\u1ea7n s\u1ed1 cao h\u01a1n ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi, \u0111\u01b0\u1ee3c truy\u1ec1n qua ch\u1ea5t l\u1ecfng. S\u00f3ng si\u00eau \u00e2m t\u1ea1o ra c\u00e1c bong b\u00f3ng ch\u00e2n kh\u00f4ng nh\u1ecf li ti trong ch\u1ea5t l\u1ecfng. C\u00e1c bong b\u00f3ng n\u00e0y ph\u00e1t tri\u1ec3n v\u00e0 v\u1ee1 ra v\u1edbi m\u1ed9t l\u1ef1c c\u1ef1c m\u1ea1nh, t\u1ea1o ra nh\u1eefng lu\u1ed3ng vi m\u00f4 (microjet)  t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ec1 m\u1eb7t v\u1eadt c\u1ea7n l\u00e0m s\u1ea1ch.<\/p>\n<h3>Qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch<\/h3>\n<p>Qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch di\u1ec5n ra khi c\u00e1c lu\u1ed3ng vi m\u00f4 n\u00e0y va \u0111\u1eadp v\u00e0o b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3, \u0111\u00e1nh b\u1eadt c\u00e1c ch\u1ea5t b\u1ea9n, d\u1ea7u m\u1ee1, r\u1ec9 s\u00e9t v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c.  V\u00ec k\u00edch th\u01b0\u1edbc c\u1ef1c nh\u1ecf c\u1ee7a bong b\u00f3ng, ch\u00fang c\u00f3 th\u1ec3 len l\u1ecfi v\u00e0o nh\u1eefng khe k\u1ebd, g\u00f3c c\u1ea1nh m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch th\u00f4ng th\u01b0\u1eddng kh\u00f3 ti\u1ebfp c\u1eadn. \u0110i\u1ec1u n\u00e0y gi\u00fap m\u00e1y r\u1eeda si\u00eau \u00e2m l\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3 c\u1ea3 nh\u1eefng v\u1eadt th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m<\/h3>\n<p>M\u1ed9t m\u00e1y r\u1eeda si\u00eau \u00e2m th\u01b0\u1eddng bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>Ch\u1ee9c n\u0103ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ed9 t\u1ea1o s\u00f3ng si\u00eau \u00e2m (transducer)<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc d\u01b0\u1edbi d\u1ea1ng s\u00f3ng si\u00eau \u00e2m.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ec3 ch\u1ee9a<\/td>\n<td>Ch\u1ee9a dung d\u1ecbch l\u00e0m s\u1ea1ch v\u00e0 v\u1eadt c\u1ea7n l\u00e0m s\u1ea1ch.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 v\u00e0 c\u00f4ng su\u1ea5t c\u1ee7a s\u00f3ng si\u00eau \u00e2m.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 gia nhi\u1ec7t (t\u00f9y ch\u1ecdn)<\/td>\n<td>L\u00e0m n\u00f3ng dung d\u1ecbch l\u00e0m s\u1ea1ch \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>T\u1ea7n s\u1ed1 si\u00eau \u00e2m<\/h3>\n<p>T\u1ea7n s\u1ed1 si\u00eau \u00e2m \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng kHz (kilohertz).  T\u1ea7n s\u1ed1 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y r\u1eeda si\u00eau \u00e2m l\u00e0 t\u1eeb 20kHz \u0111\u1ebfn 40kHz. T\u1ea7n s\u1ed1 c\u00e0ng cao, bong b\u00f3ng c\u00e0ng nh\u1ecf v\u00e0 m\u1eadt \u0111\u1ed9 c\u00e0ng d\u00e0y, ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u00e0m s\u1ea1ch c\u00e1c chi ti\u1ebft nh\u1ecf v\u00e0 ph\u1ee9c t\u1ea1p. T\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n t\u1ea1o ra bong b\u00f3ng l\u1edbn h\u01a1n, ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u00e0m s\u1ea1ch c\u00e1c v\u1eadt th\u1ec3 l\u1edbn h\u01a1n v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t b\u1ea9n c\u1ee9ng \u0111\u1ea7u h\u01a1n.<\/p>\n<h3>Dung d\u1ecbch l\u00e0m s\u1ea1ch<\/h3>\n<p>Dung d\u1ecbch l\u00e0m s\u1ea1ch \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch si\u00eau \u00e2m.  N\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung d\u1ecbch c\u01a1 b\u1ea3n, tuy nhi\u00ean, vi\u1ec7c b\u1ed5 sung c\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t b\u1ea9n c\u1ee5 th\u1ec3.<\/p>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m<\/h3>\n<p>M\u00e1y r\u1eeda si\u00eau \u00e2m mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch truy\u1ec1n th\u1ed1ng:<\/p>\n<ul>\n<li>L\u00e0m s\u1ea1ch hi\u1ec7u qu\u1ea3 v\u00e0 nhanh ch\u00f3ng.<\/li>\n<li>Ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c c\u00e1c khe k\u1ebd, g\u00f3c c\u1ea1nh kh\u00f3 ti\u1ebfp c\u1eadn.<\/li>\n<li>Kh\u00f4ng g\u00e2y h\u01b0 h\u1ea1i b\u1ec1 m\u1eb7t v\u1eadt c\u1ea7n l\u00e0m s\u1ea1ch.<\/li>\n<li>Ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, m\u00e1y r\u1eeda si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd cavitation, s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o ra c\u00e1c bong b\u00f3ng ch\u00e2n kh\u00f4ng nh\u1ecf li ti, l\u00e0m s\u1ea1ch v\u1eadt th\u1ec3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n.  C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch thi\u1ebft th\u1ef1c cho cu\u1ed9c s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y r\u1eeda si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf v\u00e0 nha khoa \u0111\u1ebfn c\u00f4ng nghi\u1ec7p v\u00e0 gia d\u1ee5ng. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y r\u1eeda si\u00eau \u00e2m,<\/p>\n","protected":false},"author":1,"featured_media":20153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51068","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\/51068","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=51068"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51068\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/20153"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}