{"id":52028,"date":"2023-04-21T13:13:14","date_gmt":"2023-04-21T18:13:14","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-piezoelectric-generator\/"},"modified":"2025-01-21T07:08:56","modified_gmt":"2025-01-21T12:08:56","slug":"diy-piezoelectric-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/diy-piezoelectric-generator\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong b\u1ed1i c\u1ea3nh kh\u1ee7ng ho\u1ea3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu to\u00e0n c\u1ea7u. Trong s\u1ed1 c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, piezoelectric, kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n t\u1eeb \u00e1p l\u1ef1c c\u01a1 h\u1ecdc, \u0111ang thu h\u00fat s\u1ef1 ch\u00fa \u00fd \u0111\u00e1ng k\u1ec3. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch t\u1ef1 l\u00e0m m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric \u0111\u01a1n gi\u1ea3n, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n Piezoelectric<\/h3>\n<p>Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, nh\u01b0 th\u1ea1ch anh v\u00e0 g\u1ed1m \u00e1p \u0111i\u1ec7n, t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1p l\u1ef1c c\u01a1 h\u1ecdc. Ng\u01b0\u1ee3c l\u1ea1i, khi \u00e1p m\u1ed9t \u0111i\u1ec7n \u00e1p v\u00e0o v\u1eadt li\u1ec7u n\u00e0y, ch\u00fang s\u1ebd thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng.  M\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric t\u1eadn d\u1ee5ng hi\u1ec7u \u1ee9ng n\u00e0y \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n.  Khi v\u1eadt li\u1ec7u piezoelectric b\u1ecb n\u00e9n ho\u1eb7c gi\u00e3n n\u1edf, n\u00f3 t\u1ea1o ra m\u1ed9t d\u00f2ng \u0111i\u1ec7n nh\u1ecf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n<h3>V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 l\u00e0m m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n<ul>\n<li>Mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n (c\u00f3 th\u1ec3 mua online ho\u1eb7c t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed)<\/li>\n<li>D\u00e2y \u0111i\u1ec7n<\/li>\n<li>K\u00ecm c\u1eaft d\u00e2y<\/li>\n<li>M\u1ecf h\u00e0n<\/li>\n<li>Thi\u1ebfc h\u00e0n<\/li>\n<li>B\u0103ng d\u00ednh \u0111i\u1ec7n<\/li>\n<li>V\u1eadt li\u1ec7u t\u1ea1o \u00e1p l\u1ef1c (v\u00ed d\u1ee5: g\u1ed7, nh\u1ef1a)<\/li>\n<\/ul>\n<h3>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h3>\n<ol>\n<li><strong>K\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n:<\/strong> H\u00e0n hai \u0111\u1ea7u d\u00e2y \u0111i\u1ec7n v\u00e0o hai m\u1eb7t c\u1ee7a mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n. \u0110\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n c\u1ea9n th\u1eadn b\u1eb1ng b\u0103ng d\u00ednh \u0111i\u1ec7n.<\/li>\n<li><strong>X\u00e2y d\u1ef1ng b\u1ed9 khung:<\/strong> S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1ea1o \u00e1p l\u1ef1c \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t b\u1ed9 khung \u0111\u01a1n gi\u1ea3n gi\u00fap c\u1ed1 \u0111\u1ecbnh mi\u1ebfng g\u1ed1m piezoelectric. B\u1ed9 khung n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho mi\u1ebfng g\u1ed1m c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi l\u1ef1c b\u00ean ngo\u00e0i.<\/li>\n<li><strong>Ki\u1ec3m tra:<\/strong>  G\u1eafn m\u1ed9t \u0111\u00e8n LED nh\u1ecf v\u00e0o hai \u0111\u1ea7u d\u00e2y \u0111i\u1ec7n.  T\u00e1c \u0111\u1ed9ng l\u1ef1c l\u00ean mi\u1ebfng g\u1ed1m piezoelectric (v\u00ed d\u1ee5: \u1ea5n ho\u1eb7c b\u1ebb cong).  N\u1ebfu \u0111\u00e8n LED s\u00e1ng l\u00ean, m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric c\u1ee7a b\u1ea1n \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ol>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n Piezoelectric<\/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>T\u00edch h\u1ee3p v\u00e0o gi\u00e0y d\u00e9p ho\u1eb7c v\u1ec9a h\u00e8 \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n t\u1eeb n\u0103ng l\u01b0\u1ee3ng b\u01b0\u1edbc ch\u00e2n.<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/td>\n<td>S\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t v\u00e0 l\u1ef1c t\u00e1c \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft b\u1ecb y t\u1ebf<\/td>\n<td>\u1ee8ng d\u1ee5ng trong m\u00e1y t\u1ea1o nh\u1ecbp tim v\u00e0 c\u00e1c thi\u1ebft b\u1ecb theo d\u00f5i s\u1ee9c kh\u1ecfe kh\u00e1c.<\/td>\n<\/tr>\n<tr>\n<td>Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf<\/td>\n<td>S\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c c\u1ea3m bi\u1ebfn v\u00e0 thi\u1ebft b\u1ecb IoT.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>B\u1ea3ng so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u Piezoelectric<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>Hi\u1ec7u su\u1ea5t<\/th>\n<th>Chi ph\u00ed<\/th>\n<th>\u0110\u1ed9 b\u1ec1n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>G\u1ed1m PZT<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>T\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ea1ch anh<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<td>R\u1ea5t t\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>PVDF<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c t\u1ef1 l\u00e0m m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n piezoelectric \u0111\u01a1n gi\u1ea3n 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 c\u00f4ng ngh\u1ec7 n\u00e0y m\u00e0 c\u00f2n kh\u01a1i d\u1eady s\u1ef1 s\u00e1ng t\u1ea1o v\u00e0 kh\u00e1m ph\u00e1 nh\u1eefng \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ef1 l\u00e0m ch\u1ec9 t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng \u0111i\u1ec7n nh\u1ecf, nh\u01b0ng n\u00f3 l\u00e0 m\u1ed9t b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u tuy\u1ec7t v\u1eddi \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 \u0111\u00f3ng g\u00f3p v\u00e0o m\u1ed9t t\u01b0\u01a1ng lai b\u1ec1n v\u1eefng.  Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch v\u00e0 kh\u00edch l\u1ec7 b\u1ea1n ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 piezoelectric.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong b\u1ed1i c\u1ea3nh kh\u1ee7ng ho\u1ea3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu to\u00e0n c\u1ea7u. Trong s\u1ed1 c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, piezoelectric, kh\u1ea3 n\u0103ng t\u1ea1o ra \u0111i\u1ec7n t\u1eeb \u00e1p l\u1ef1c c\u01a1 h\u1ecdc, \u0111ang thu h\u00fat s\u1ef1 ch\u00fa \u00fd \u0111\u00e1ng k\u1ec3. B\u00e0i vi\u1ebft n\u00e0y<\/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-52028","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\/52028","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=52028"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/52028\/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=52028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=52028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=52028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}