{"id":51084,"date":"2023-04-21T14:11:50","date_gmt":"2023-04-21T19:11:50","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-do-transducers-work\/"},"modified":"2025-01-21T07:11:31","modified_gmt":"2025-01-21T12:11:31","slug":"how-do-transducers-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-do-transducers-work\/","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i"},"content":{"rendered":"<p>Transducer l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb \u0111o l\u01b0\u1eddng \u0111\u1ebfn y t\u1ebf. V\u1eady transducer ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a transducer, gi\u1ea3i th\u00edch c\u00e1ch ch\u00fang chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n<\/h3>\n<p>Transducer ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng. Ch\u00fang nh\u1eadn m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o, v\u00ed d\u1ee5 nh\u01b0 \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u00e1nh s\u00e1ng, v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u ra kh\u00e1c, th\u01b0\u1eddng l\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n. Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u c\u1ea5u th\u00e0nh transducer.  V\u00ed d\u1ee5, m\u1ed9t transducer \u00e1p su\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t m\u00e0ng ng\u0103n bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u00e1p l\u1ef1c, s\u1ef1 bi\u1ebfn d\u1ea1ng n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/p>\n<h3>C\u00e1c lo\u1ea1i transducer ph\u1ed5 bi\u1ebfn<\/h3>\n<p>C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i transducer kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u1ee5 th\u1ec3. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Transducer \u00e1p su\u1ea5t:<\/strong> Chuy\u1ec3n \u0111\u1ed5i \u00e1p su\u1ea5t th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/li>\n<li><strong>Transducer nhi\u1ec7t \u0111\u1ed9:<\/strong> Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/li>\n<li><strong>Transducer si\u00eau \u00e2m:<\/strong> Chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh s\u00f3ng si\u00eau \u00e2m v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li><strong>Transducer \u00e1nh s\u00e1ng:<\/strong> Chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Lo\u1ea1i Transducer<\/th>\n<th>N\u0103ng l\u01b0\u1ee3ng \u0110\u1ea7u V\u00e0o<\/th>\n<th>N\u0103ng l\u01b0\u1ee3ng \u0110\u1ea7u Ra<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c1p su\u1ea5t<\/td>\n<td>\u00c1p su\u1ea5t<\/td>\n<td>T\u00edn hi\u1ec7u \u0111i\u1ec7n<\/td>\n<td>\u0110o l\u01b0\u1eddng \u00e1p su\u1ea5t, c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t l\u1ed1p xe<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>T\u00edn hi\u1ec7u \u0111i\u1ec7n<\/td>\n<td>\u0110o l\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>Si\u00eau \u00e2m<\/td>\n<td>\u0110i\u1ec7n n\u0103ng \/ S\u00f3ng si\u00eau \u00e2m<\/td>\n<td>S\u00f3ng si\u00eau \u00e2m \/ \u0110i\u1ec7n n\u0103ng<\/td>\n<td>H\u00ecnh \u1ea3nh y t\u1ebf, ki\u1ec3m tra v\u1eadt li\u1ec7u, l\u00e0m s\u1ea1ch b\u1eb1ng si\u00eau \u00e2m<\/td>\n<\/tr>\n<tr>\n<td>\u00c1nh s\u00e1ng<\/td>\n<td>\u00c1nh s\u00e1ng<\/td>\n<td>T\u00edn hi\u1ec7u \u0111i\u1ec7n<\/td>\n<td>C\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng, pin m\u1eb7t tr\u1eddi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Transducer si\u00eau \u00e2m<\/h3>\n<p>Transducer si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n.  M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, nh\u01b0 th\u1ea1ch anh, g\u1ed1m \u00e1p \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc khi \u0111\u1eb7t d\u01b0\u1edbi \u0111i\u1ec7n tr\u01b0\u1eddng.  Ng\u01b0\u1ee3c l\u1ea1i, khi v\u1eadt li\u1ec7u n\u00e0y b\u1ecb n\u00e9n ho\u1eb7c gi\u00e3n n\u1edf, ch\u00fang s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng.  Trong transducer si\u00eau \u00e2m, m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, l\u00e0m cho n\u00f3 dao \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 si\u00eau \u00e2m. S\u1ef1 dao \u0111\u1ed9ng n\u00e0y t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.  Ng\u01b0\u1ee3c l\u1ea1i, khi s\u00f3ng si\u00eau \u00e2m t\u00e1c \u0111\u1ed9ng v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u, cho ph\u00e9p transducer nh\u1eadn s\u00f3ng si\u00eau \u00e2m.<\/p>\n<h3>Hi\u1ec7u chu\u1ea9n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h3>\n<p>Hi\u1ec7u chu\u1ea9n l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a transducer. Qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n li\u00ean quan \u0111\u1ebfn vi\u1ec7c so s\u00e1nh \u0111\u1ea7u ra c\u1ee7a transducer v\u1edbi m\u1ed9t gi\u00e1 tr\u1ecb chu\u1ea9n \u0111\u00e3 bi\u1ebft. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh transducer \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p k\u1ebft qu\u1ea3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, transducer l\u00e0 nh\u1eefng thi\u1ebft b\u1ecb \u0111a n\u0103ng v\u00e0 quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng.  S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang gi\u00fap ch\u00fang ta khai th\u00e1c t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y trong vi\u1ec7c \u0111o l\u01b0\u1eddng, \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi th\u1ebf gi\u1edbi xung quanh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transducer l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb \u0111o l\u01b0\u1eddng \u0111\u1ebfn y t\u1ebf. V\u1eady transducer ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a transducer, gi\u1ea3i th\u00edch c\u00e1ch ch\u00fang chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/p>\n","protected":false},"author":1,"featured_media":24655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51084","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\/51084","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=51084"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51084\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/24655"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}