{"id":50348,"date":"2023-04-21T14:59:35","date_gmt":"2023-04-21T19:59:35","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-much-electricity-does-a-piezoelectric-crystal-produce\/"},"modified":"2025-01-21T07:13:28","modified_gmt":"2025-01-21T12:13:28","slug":"how-much-electricity-does-a-piezoelectric-crystal-produce","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-much-electricity-does-a-piezoelectric-crystal-produce\/","title":{"rendered":"N\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb tinh th\u1ec3 \u00e1p \u0111i\u1ec7n: \u0110o l\u01b0\u1eddng s\u1ea3n l\u01b0\u1ee3ng"},"content":{"rendered":"<p>Tinh th\u1ec3 \u00e1p \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u01a1 h\u1ecdc, m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n.  Tuy nhi\u00ean, l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra t\u1eeb m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111\u01a1n l\u1ebb th\u01b0\u1eddng r\u1ea5t nh\u1ecf.  V\u1eady ch\u00ednh x\u00e1c th\u00ec m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n t\u1ea1o ra bao nhi\u00eau \u0111i\u1ec7n?  C\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra<\/h3>\n<p>L\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng m\u00e0 m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n t\u1ea1o ra 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 c\u1ee7a tinh th\u1ec3:<\/strong> Tinh th\u1ec3 l\u1edbn h\u01a1n v\u00e0 c\u00f3 h\u00ecnh d\u1ea1ng t\u1ed1i \u01b0u s\u1ebd t\u1ea1o ra nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n.<\/li>\n<li><strong>V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o:<\/strong> C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n kh\u00e1c nhau c\u00f3 hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau. V\u00ed d\u1ee5, g\u1ed1m PZT (ch\u00ec zirconat titanat) th\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u01a1n th\u1ea1ch anh.<\/li>\n<li><strong>L\u1ef1c t\u00e1c \u0111\u1ed9ng:<\/strong>  L\u1ef1c t\u00e1c \u0111\u1ed9ng c\u00e0ng l\u1edbn, \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1ea1o ra c\u00e0ng cao. Tuy nhi\u00ean, v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n \u0111\u00e0n h\u1ed3i c\u1ee7a tinh th\u1ec3 c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng h\u00f3c.<\/li>\n<li><strong>T\u1ea7n s\u1ed1 t\u00e1c \u0111\u1ed9ng:<\/strong>  T\u1ea7n s\u1ed1 t\u00e1c \u0111\u1ed9ng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra.  M\u1ed7i lo\u1ea1i tinh th\u1ec3 c\u00f3 m\u1ed9t t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng t\u1ed1i \u01b0u.<\/li>\n<\/ul>\n<h3>\u0110i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1eeb tinh th\u1ec3 \u00e1p \u0111i\u1ec7n<\/h3>\n<p>\u0110o l\u01b0\u1eddng \u0111i\u1ec7n n\u0103ng t\u1eeb tinh th\u1ec3 \u00e1p \u0111i\u1ec7n th\u01b0\u1eddng t\u1eadp trung v\u00e0o hai th\u00f4ng s\u1ed1: \u0111i\u1ec7n \u00e1p (\u0111o b\u1eb1ng Volt) v\u00e0 d\u00f2ng \u0111i\u1ec7n (\u0111o b\u1eb1ng Ampere).  M\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n \u00e1p t\u1eeb v\u00e0i miliVolt \u0111\u1ebfn v\u00e0i Volt, v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1eeb v\u00e0i microAmpere \u0111\u1ebfn v\u00e0i miliAmpere khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<th>Kho\u1ea3ng gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p (V)<\/td>\n<td>mV &#8211; V<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n (A)<\/td>\n<td>\u00b5A &#8211; mA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a tinh th\u1ec3 \u00e1p \u0111i\u1ec7n<\/h3>\n<p>M\u1eb7c d\u00f9 l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra t\u1eeb m\u1ed9t tinh th\u1ec3 \u0111\u01a1n l\u1ebb kh\u00e1 nh\u1ecf, vi\u1ec7c k\u1ebft h\u1ee3p nhi\u1ec1u tinh th\u1ec3 ho\u1eb7c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c th\u00f9 c\u00f3 th\u1ec3 t\u1ea1o ra l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u00e1ng k\u1ec3. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>B\u1eadt l\u1eeda:<\/strong> L\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh l\u00ean tinh th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n \u00e1p \u0111\u1ee7 cao \u0111\u1ec3 t\u1ea1o ra tia l\u1eeda \u0111i\u1ec7n.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn:<\/strong> Tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t, gia t\u1ed1c v\u00e0 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00fd kh\u00e1c.<\/li>\n<li><strong>Thu n\u0103ng l\u01b0\u1ee3ng:<\/strong>  Nghi\u00ean c\u1ee9u \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ec3 s\u1eed d\u1ee5ng tinh th\u1ec3 \u00e1p \u0111i\u1ec7n thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, v\u00ed d\u1ee5 nh\u01b0 t\u1eeb b\u01b0\u1edbc ch\u00e2n ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a xe c\u1ed9.  <\/li>\n<li><strong>Thi\u1ebft b\u1ecb si\u00eau \u00e2m:<\/strong> Trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng si\u00eau \u00e2m, tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.  V\u00ed d\u1ee5, n\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u trong ng\u1eef c\u1ea3nh n\u00e0y, Beijing Ultrasonic l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00f4ng ty s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb si\u00eau \u00e2m.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra t\u1eeb tinh th\u1ec3 \u00e1p \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1. M\u1eb7c d\u00f9 l\u01b0\u1ee3ng \u0111i\u1ec7n n\u00e0y th\u01b0\u1eddng nh\u1ecf, n\u00f3 \u0111\u1ee7 \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u00e0 ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 v\u1eabn \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 v\u00e0 ph\u00e1t tri\u1ec3n.  Vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 c\u1ea3i ti\u1ebfn v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n h\u1ee9a h\u1eb9n s\u1ebd m\u1edf ra nhi\u1ec1u \u1ee9ng d\u1ee5ng m\u1edbi v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tinh th\u1ec3 \u00e1p \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u01a1 h\u1ecdc, m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Tuy nhi\u00ean, l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng t\u1ea1o ra t\u1eeb m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111\u01a1n l\u1ebb th\u01b0\u1eddng r\u1ea5t nh\u1ecf. V\u1eady ch\u00ednh x\u00e1c th\u00ec m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":26468,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-50348","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\/50348","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=50348"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/50348\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26468"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=50348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=50348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=50348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}