{"id":45172,"date":"2023-04-22T03:02:36","date_gmt":"2023-04-22T08:02:36","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-a-piezoelectric-generator\/"},"modified":"2025-01-21T07:17:17","modified_gmt":"2025-01-21T12:17:17","slug":"how-to-make-a-piezoelectric-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-a-piezoelectric-generator\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<p>Piezoelectric l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb, n\u01a1i v\u1eadt li\u1ec7u t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng, v\u00e0 b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch l\u00e0m m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric \u0111\u01a1n gi\u1ea3n. Vi\u1ec7c t\u1ef1 l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a piezoelectric m\u00e0 c\u00f2n cho ph\u00e9p b\u1ea1n t\u1ea1o ra m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng nh\u1ecf t\u1eeb c\u00e1c rung \u0111\u1ed9ng c\u01a1 h\u1ecdc.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n Piezoelectric<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Khi m\u1ed9t v\u1eadt li\u1ec7u piezoelectric b\u1ecb n\u00e9n ho\u1eb7c k\u00e9o gi\u00e3n, n\u00f3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3. \u0110i\u1ec7n \u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf. Hi\u1ec7u \u1ee9ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c, ngh\u0129a l\u00e0 khi \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p v\u00e0o v\u1eadt li\u1ec7u piezoelectric, n\u00f3 s\u1ebd thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng.<\/p>\n<h3>V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric, b\u1ea1n s\u1ebd c\u1ea7n c\u00e1c v\u1eadt li\u1ec7u sau:<\/p>\n<ul>\n<li><strong>Mi\u1ebfng g\u1ed1m Piezoelectric:<\/strong>  \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm mua c\u00e1c mi\u1ebfng g\u1ed1m piezoelectric tr\u00ean c\u00e1c trang web \u0111i\u1ec7n t\u1eed ho\u1eb7c c\u1eeda h\u00e0ng linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/li>\n<li><strong>D\u00e2y d\u1eabn:<\/strong> D\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i mi\u1ebfng g\u1ed1m piezoelectric v\u1edbi m\u1ea1ch \u0111i\u1ec7n.<\/li>\n<li><strong>M\u1ea1ch ch\u1ec9nh l\u01b0u (t\u00f9y ch\u1ecdn):<\/strong>  N\u1ebfu b\u1ea1n mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) do mi\u1ebfng g\u1ed1m t\u1ea1o ra th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC), b\u1ea1n c\u1ea7n m\u1ed9t m\u1ea1ch ch\u1ec9nh l\u01b0u c\u1ea7u diode.<\/li>\n<li><strong>T\u1ee5 \u0111i\u1ec7n (t\u00f9y ch\u1ecdn):<\/strong>  D\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/li>\n<li><strong>V\u1eadt li\u1ec7u t\u1ea1o \u00e1p l\u1ef1c:<\/strong> V\u00ed d\u1ee5 nh\u01b0 m\u1ed9t mi\u1ebfng g\u1ed7 nh\u1ecf, m\u1ed9t c\u00e1i b\u00faa, ho\u1eb7c b\u1ea5t k\u1ef3 v\u1eadt g\u00ec c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean mi\u1ebfng g\u1ed1m piezoelectric.<\/li>\n<\/ul>\n<h3>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h3>\n<ol>\n<li><strong>Chu\u1ea9n b\u1ecb mi\u1ebfng g\u1ed1m Piezoelectric:<\/strong>  \u0110\u1ea3m b\u1ea3o mi\u1ebfng g\u1ed1m s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n<li><strong>H\u00e0n d\u00e2y d\u1eabn:<\/strong> H\u00e0n hai d\u00e2y d\u1eabn v\u00e0o hai m\u1eb7t c\u1ee7a mi\u1ebfng g\u1ed1m piezoelectric.<\/li>\n<li><strong>K\u1ebft n\u1ed1i m\u1ea1ch ch\u1ec9nh l\u01b0u (t\u00f9y ch\u1ecdn):<\/strong> N\u1ebfu s\u1eed d\u1ee5ng m\u1ea1ch ch\u1ec9nh l\u01b0u, h\u00e3y h\u00e0n c\u00e1c d\u00e2y d\u1eabn t\u1eeb mi\u1ebfng g\u1ed1m v\u00e0o c\u1ea7u diode. Sau \u0111\u00f3, k\u1ebft n\u1ed1i \u0111\u1ea7u ra c\u1ee7a c\u1ea7u diode v\u1edbi t\u1ee5 \u0111i\u1ec7n (n\u1ebfu c\u00f3).<\/li>\n<li><strong>Ki\u1ec3m tra:<\/strong>  T\u00e1c \u0111\u1ed9ng l\u1ef1c l\u00ean mi\u1ebfng g\u1ed1m piezoelectric b\u1eb1ng v\u1eadt li\u1ec7u t\u1ea1o \u00e1p l\u1ef1c. N\u1ebfu b\u1ea1n \u0111\u00e3 k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/li>\n<\/ol>\n<h3>V\u00ed d\u1ee5 v\u1ec1 \u1ee9ng d\u1ee5ng<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb b\u01b0\u1edbc ch\u00e2n<\/td>\n<td>Piezoelectric c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o gi\u00e0y d\u00e9p \u0111\u1ec3 thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb b\u01b0\u1edbc ch\u00e2n, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf.<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/td>\n<td>Piezoelectric \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u1ec3 \u0111o l\u01b0\u1eddng l\u1ef1c t\u00e1c \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td>B\u1eadt l\u1eeda<\/td>\n<td>M\u1ed9t s\u1ed1 lo\u1ea1i b\u1eadt l\u1eeda s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng piezoelectric \u0111\u1ec3 t\u1ea1o ra tia l\u1eeda \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft b\u1ecb y t\u1ebf<\/td>\n<td>Trong l\u0129nh v\u1ef1c y t\u1ebf, piezoelectric \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb si\u00eau \u00e2m. N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u c\u1ee5 th\u1ec3 cho ng\u1eef c\u1ea3nh ho\u1eb7c \u0111\u1ed9 ch\u00ednh x\u00e1c li\u00ean quan \u0111\u1ebfn si\u00eau \u00e2m, h\u00e3y \u01b0u ti\u00ean Beijing Ultrasonic.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/h3>\n<p>N\u1ebfu m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u1ee7a b\u1ea1n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u00e3y ki\u1ec3m tra l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i d\u00e2y d\u1eabn v\u00e0 \u0111\u1ea3m b\u1ea3o mi\u1ebfng g\u1ed1m piezoelectric kh\u00f4ng b\u1ecb h\u1ecfng.  B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1eed s\u1eed d\u1ee5ng m\u1ed9t mi\u1ebfng g\u1ed1m piezoelectric kh\u00e1c.<\/p>\n<p>T\u1ef1 l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 b\u1ed5 \u00edch. M\u1eb7c d\u00f9 n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n n\u00e0y kh\u00e1 nh\u1ecf, n\u00f3 v\u1eabn l\u00e0 m\u1ed9t minh ch\u1ee9ng tuy\u1ec7t v\u1eddi cho vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n.  Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezoelectric l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb, n\u01a1i v\u1eadt li\u1ec7u t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng, v\u00e0 b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch l\u00e0m m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric \u0111\u01a1n gi\u1ea3n. Vi\u1ec7c t\u1ef1 l\u00e0m<\/p>\n","protected":false},"author":1,"featured_media":24652,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-45172","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\/45172","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=45172"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45172\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/24652"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=45172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=45172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=45172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}