{"id":53704,"date":"2022-09-21T07:51:45","date_gmt":"2022-09-21T12:51:45","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element\/"},"modified":"2025-01-21T07:29:38","modified_gmt":"2025-01-21T12:29:38","slug":"what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element\/","title":{"rendered":"N\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n thu \u0111\u01b0\u1ee3c t\u1eeb Piezo Bender: Bao nhi\u00eau l\u00e0 \u0111i\u1ec3n h\u00ecnh?"},"content":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng \u00e1p \u0111i\u1ec7n, m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n nh\u1edd hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m v\u00e0 nghi\u00ean c\u1ee9u. Trong \u0111\u00f3, c\u00e1c ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n (piezo bender element) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng. V\u1eady, l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n l\u00e0 bao nhi\u00eau? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c<\/h3>\n<p>L\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng:<\/strong> Ph\u1ea7n t\u1eed u\u1ed1n l\u1edbn h\u01a1n th\u01b0\u1eddng t\u1ea1o ra \u0111i\u1ec7n n\u0103ng nhi\u1ec1u h\u01a1n. H\u00ecnh d\u1ea1ng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><strong>V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong> C\u00e1c v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n kh\u00e1c nhau c\u00f3 h\u1ec7 s\u1ed1 \u00e1p \u0111i\u1ec7n kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau. V\u00ed d\u1ee5, PZT (ch\u00ec zirconat titanat) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng do h\u1ec7 s\u1ed1 \u00e1p \u0111i\u1ec7n cao.<\/li>\n<li><strong>T\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng:<\/strong> T\u1ea7n s\u1ed1 rung \u0111\u1ed9ng t\u1ed1i \u01b0u (t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng) s\u1ebd t\u1ea1o ra l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ed1i \u0111a. Bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng c\u00e0ng l\u1edbn, n\u0103ng l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c c\u00e0ng nhi\u1ec1u.<\/li>\n<li><strong>M\u1ea1ch \u0111i\u1ec7n k\u1ebft n\u1ed1i:<\/strong> M\u1ea1ch \u0111i\u1ec7n k\u1ebft n\u1ed1i v\u1edbi ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c.  Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/li>\n<\/ul>\n<h3>L\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111i\u1ec3n h\u00ecnh<\/h3>\n<p>R\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u01b0a ra m\u1ed9t con s\u1ed1 ch\u00ednh x\u00e1c v\u1ec1 l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n. Tuy nhi\u00ean, d\u1ef1a tr\u00ean c\u00e1c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, ta c\u00f3 th\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m ph\u1ea7n t\u1eed u\u1ed1n<\/th>\n<th>Bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng (mm)<\/th>\n<th>T\u1ea7n s\u1ed1 rung \u0111\u1ed9ng (Hz)<\/th>\n<th>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra \u01b0\u1edbc t\u00ednh (\u00b5W)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nh\u1ecf (v\u00e0i mm)<\/td>\n<td>0.1<\/td>\n<td>100<\/td>\n<td>&lt; 1<\/td>\n<\/tr>\n<tr>\n<td>Trung b\u00ecnh (v\u00e0i cm)<\/td>\n<td>1<\/td>\n<td>100<\/td>\n<td>1 &#8211; 100<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbn (v\u00e0i ch\u1ee5c cm)<\/td>\n<td>10<\/td>\n<td>10<\/td>\n<td>100 &#8211; 1000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>L\u01b0u \u00fd r\u1eb1ng \u0111\u00e2y ch\u1ec9 l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb \u01b0\u1edbc t\u00ednh v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean.<\/p>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n trong thu n\u0103ng l\u01b0\u1ee3ng<\/h3>\n<p>Ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c \u0111\u1ec3 thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li><strong>C\u1ea3m bi\u1ebfn t\u1ef1 c\u1ea5p ngu\u1ed3n:<\/strong>  Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng m\u00e1y m\u00f3c \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c c\u1ea3m bi\u1ebfn.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111eo:<\/strong> Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111eo th\u00f4ng minh.<\/li>\n<li><strong>Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb gi\u00f3:<\/strong>  S\u1eed d\u1ee5ng rung \u0111\u1ed9ng do gi\u00f3 g\u00e2y ra \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n n\u0103ng.<\/li>\n<\/ul>\n<h3>T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng<\/h3>\n<p>\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n, c\u1ea7n ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c th\u00f4ng s\u1ed1 ph\u00f9 h\u1ee3p. Vi\u1ec7c m\u00f4 ph\u1ecfng v\u00e0 th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf.<\/p>\n<p>T\u00f3m l\u1ea1i, l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 v\u00e0 r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u01b0a ra m\u1ed9t con s\u1ed1 ch\u00ednh x\u00e1c. Tuy nhi\u00ean, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf, vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 h\u1ee9a h\u1eb9n s\u1ebd m\u1edf ra nhi\u1ec1u \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng \u00e1p \u0111i\u1ec7n, m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n nh\u1edd hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m v\u00e0 nghi\u00ean c\u1ee9u. Trong \u0111\u00f3, c\u00e1c ph\u1ea7n t\u1eed u\u1ed1n \u00e1p \u0111i\u1ec7n (piezo bender element) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng t\u1eeb<\/p>\n","protected":false},"author":1,"featured_media":5008,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-53704","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\/53704","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=53704"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/53704\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/5008"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=53704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=53704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=53704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}