{"id":51268,"date":"2023-04-21T14:00:31","date_gmt":"2023-04-21T19:00:31","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-big-is-a-transducer\/"},"modified":"2025-01-21T07:10:55","modified_gmt":"2025-01-21T12:10:55","slug":"how-big-is-a-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-big-is-a-transducer\/","title":{"rendered":"K\u00edch th\u01b0\u1edbc \u0111\u1ea7u bi\u1ebfn \u0111\u1ed5i: T\u1eeb nh\u1ecf g\u1ecdn \u0111\u1ebfn kh\u1ed5ng l\u1ed3"},"content":{"rendered":"<p>K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t \u0111\u1ea7u d\u00f2 (transducer) l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i kh\u00e1 ph\u1ee9c t\u1ea1p.  Kh\u00f4ng c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi chung n\u00e0o cho c\u00e2u h\u1ecfi n\u00e0y, b\u1edfi v\u00ec k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 ph\u1ee5 thu\u1ed9c v\u00e0o r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m lo\u1ea1i \u0111\u1ea7u d\u00f2, \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng, v\u00e0 c\u00f4ng su\u1ea5t.  B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ea7u d\u00f2 ph\u1ed5 bi\u1ebfn.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i \u0111\u1ea7u d\u00f2<\/h3>\n<p>C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i \u0111\u1ea7u d\u00f2 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m d\u00f9ng trong y t\u1ebf s\u1ebd c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c so v\u1edbi \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m d\u00f9ng trong c\u00f4ng nghi\u1ec7p.  T\u01b0\u01a1ng t\u1ef1, \u0111\u1ea7u d\u00f2 d\u00f9ng \u0111\u1ec3 \u0111o kho\u1ea3ng c\u00e1ch s\u1ebd kh\u00e1c v\u1edbi \u0111\u1ea7u d\u00f2 d\u00f9ng \u0111\u1ec3 t\u1ea1o h\u00ecnh \u1ea3nh.  M\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ea7u d\u00f2 ph\u1ed5 bi\u1ebfn bao g\u1ed3m: \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n, \u0111\u1ea7u d\u00f2 \u0111i\u1ec7n dung, \u0111\u1ea7u d\u00f2 t\u1eeb t\u00ednh, v\u00e0 \u0111\u1ea7u d\u00f2 quang h\u1ecdc.  M\u1ed7i lo\u1ea1i n\u00e0y l\u1ea1i c\u00f3 m\u1ed9t ph\u1ea1m vi k\u00edch th\u01b0\u1edbc ri\u00eang.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>T\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3.  N\u00f3i chung, \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 cao s\u1ebd c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n so v\u1edbi \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 th\u1ea5p.  \u0110i\u1ec1u n\u00e0y l\u00e0 do b\u01b0\u1edbc s\u00f3ng c\u1ee7a s\u00f3ng \u00e2m t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi t\u1ea7n s\u1ed1.  T\u1ea7n s\u1ed1 c\u00e0ng cao, b\u01b0\u1edbc s\u00f3ng c\u00e0ng ng\u1eafn, v\u00e0 do \u0111\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc v\u00e0 c\u00f4ng su\u1ea5t<\/h3>\n<p>C\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ea7u d\u00f2 c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t.  \u0110\u1ea7u d\u00f2 c\u00f3 c\u00f4ng su\u1ea5t cao th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c n\u0103ng l\u01b0\u1ee3ng l\u1edbn h\u01a1n.  Tuy nhi\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u \u0111\u00e3 cho ph\u00e9p ch\u1ebf t\u1ea1o c\u00e1c \u0111\u1ea7u d\u00f2 c\u00f3 c\u00f4ng su\u1ea5t cao v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ea7u d\u00f2 ph\u1ed5 bi\u1ebfn<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Lo\u1ea1i \u0111\u1ea7u d\u00f2<\/th>\n<th>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc (\u01b0\u1edbc l\u01b0\u1ee3ng)<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m y t\u1ebf<\/td>\n<td>V\u00e0i mm \u0111\u1ebfn v\u00e0i cm<\/td>\n<td>Ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh, \u0111i\u1ec1u tr\u1ecb<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m c\u00f4ng nghi\u1ec7p<\/td>\n<td>V\u00e0i cm \u0111\u1ebfn v\u00e0i ch\u1ee5c cm<\/td>\n<td>Ki\u1ec3m tra khuy\u1ebft t\u1eadt, \u0111o \u0111\u1ed9 d\u00e0y<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n<\/td>\n<td>T\u1eeb v\u00e0i mm \u0111\u1ebfn v\u00e0i cm<\/td>\n<td>\u0110o \u00e1p su\u1ea5t, c\u1ea3m bi\u1ebfn rung \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>K\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3<\/h3>\n<p>Cu\u1ed1i c\u00f9ng, k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.  V\u00ed d\u1ee5, \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra khuy\u1ebft t\u1eadt trong c\u00e1c chi ti\u1ebft m\u00e1y bay s\u1ebd c\u00f3 y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c kh\u00e1c so v\u1edbi \u0111\u1ea7u d\u00f2 d\u00f9ng \u0111\u1ec3 \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ed3n ch\u1ee9a.  N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i nh\u1eafc \u0111\u1ebfn m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u trong l\u0129nh v\u1ef1c si\u00eau \u00e2m, v\u00ed d\u1ee5 nh\u01b0 tr\u01b0\u1eddng h\u1ee3p so s\u00e1nh k\u00edch th\u01b0\u1edbc \u0111\u1ea7u d\u00f2 v\u1edbi m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3, th\u00ec Beijing Ultrasonic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n<p>T\u00f3m l\u1ea1i, kh\u00f4ng c\u00f3 m\u1ed9t k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n n\u00e0o cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u0111\u1ea7u d\u00f2.  K\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m lo\u1ea1i \u0111\u1ea7u d\u00f2, t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng, c\u00f4ng su\u1ea5t, v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.  Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u1ea7u d\u00f2 ph\u00f9 h\u1ee3p c\u1ea7n ph\u1ea3i d\u1ef1a tr\u00ean s\u1ef1 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t \u0111\u1ea7u d\u00f2 (transducer) l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i kh\u00e1 ph\u1ee9c t\u1ea1p. Kh\u00f4ng c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi chung n\u00e0o cho c\u00e2u h\u1ecfi n\u00e0y, b\u1edfi v\u00ec k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ea7u d\u00f2 ph\u1ee5 thu\u1ed9c v\u00e0o r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m lo\u1ea1i \u0111\u1ea7u d\u00f2, \u1ee9ng d\u1ee5ng<\/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-51268","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\/51268","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=51268"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51268\/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=51268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}