{"id":49708,"date":"2023-04-21T15:46:11","date_gmt":"2023-04-21T20:46:11","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-create-a-piezoelectric-generator\/"},"modified":"2025-01-21T07:15:14","modified_gmt":"2025-01-21T12:15:14","slug":"how-to-create-a-piezoelectric-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-create-a-piezoelectric-generator\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n"},"content":{"rendered":"<p>Piezoelectric l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb, n\u01a1i m\u1ed9t s\u1ed1 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 \u0111\u00f3 ch\u00ednh l\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n.  Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n ho\u00e0n to\u00e0n n\u1eb1m trong kh\u1ea3 n\u0103ng c\u1ee7a b\u1ea1n, v\u00e0 b\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n.  Khi m\u1ed9t v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n b\u1ecb bi\u1ebfn d\u1ea1ng do t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c b\u00ean ngo\u00e0i, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p. \u0110i\u1ec7n \u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch l\u0169y v\u00e0 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 qu\u1ea3 c\u1ee7a vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a m\u00e1y ph\u00e1t.<\/p>\n<h3>V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n<ul>\n<li><strong>V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong> \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y ph\u00e1t. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u0111\u0129a g\u1ed1m \u00e1p \u0111i\u1ec7n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u1eadt l\u1eeda ho\u1eb7c loa.<\/li>\n<li><strong>D\u00e2y d\u1eabn:<\/strong> D\u00e2y \u0111\u1ed3ng nh\u1ecf, linh ho\u1ea1t \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n<li><strong>B\u1ea3n m\u1ea1ch in (PCB):<\/strong>  Kh\u00f4ng b\u1eaft bu\u1ed9c, nh\u01b0ng gi\u00fap vi\u1ec7c l\u1eafp r\u00e1p g\u1ecdn g\u00e0ng v\u00e0 ch\u1eafc ch\u1eafn h\u01a1n.<\/li>\n<li><strong>V\u1ecf b\u1ea3o v\u1ec7:<\/strong>  T\u00f9y ch\u1ecdn, gi\u00fap b\u1ea3o v\u1ec7 m\u00e1y ph\u00e1t kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i.<\/li>\n<li><strong>K\u00ecm, m\u1ecf h\u00e0n, keo d\u00e1n:<\/strong>  C\u00e1c d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n<h3>Quy tr\u00ecnh ch\u1ebf t\u1ea1o<\/h3>\n<ol>\n<li><strong>Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong>  \u0110\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i.<\/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 \u0111\u0129a \u00e1p \u0111i\u1ec7n.  S\u1eed d\u1ee5ng m\u1ecf h\u00e0n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n.<\/li>\n<li><strong>L\u1eafp r\u00e1p l\u00ean PCB (t\u00f9y ch\u1ecdn):<\/strong> N\u1ebfu s\u1eed d\u1ee5ng PCB, h\u00e3y c\u1ed1 \u0111\u1ecbnh \u0111\u0129a \u00e1p \u0111i\u1ec7n v\u00e0 d\u00e2y d\u1eabn l\u00ean b\u1ea3n m\u1ea1ch.<\/li>\n<li><strong>Ki\u1ec3m tra k\u1ebft n\u1ed1i:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 ki\u1ec3m tra xem k\u1ebft n\u1ed1i gi\u1eefa d\u00e2y d\u1eabn v\u00e0 \u0111\u0129a \u00e1p \u0111i\u1ec7n c\u00f3 t\u1ed1t kh\u00f4ng.<\/li>\n<li><strong>G\u1eafn v\u1ecf b\u1ea3o v\u1ec7 (t\u00f9y ch\u1ecdn):<\/strong>  L\u1eafp \u0111\u1eb7t v\u1ecf b\u1ea3o v\u1ec7 \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh th\u1ea9m m\u1ef9.<\/li>\n<\/ol>\n<h3>C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n t\u1ef1 ch\u1ebf<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0:<\/p>\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>Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u1ea3m bi\u1ebfn<\/td>\n<td>Thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng \u0111\u1ec3 cung c\u1ea5p cho c\u00e1c c\u1ea3m bi\u1ebfn nh\u1ecf.<\/td>\n<\/tr>\n<tr>\n<td>N\u00fat b\u1ea5m \u00e1p \u0111i\u1ec7n<\/td>\n<td>T\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec7n khi \u0111\u01b0\u1ee3c nh\u1ea5n.<\/td>\n<\/tr>\n<tr>\n<td>S\u1ea1c pin cho thi\u1ebft b\u1ecb nh\u1ecf<\/td>\n<td>T\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ec3 s\u1ea1c pin.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>N\u00e2ng cao hi\u1ec7u su\u1ea5t<\/h3>\n<p>\u0110\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ph\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p nhi\u1ec1u \u0111\u0129a \u00e1p \u0111i\u1ec7n l\u1ea1i v\u1edbi nhau.  Vi\u1ec7c b\u1ed1 tr\u00ed c\u00e1c \u0111\u0129a \u00e1p \u0111i\u1ec7n m\u1ed9t c\u00e1ch khoa h\u1ecdc v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao c\u0169ng g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb m\u00e0 c\u00f2n gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n.  M\u1eb7c d\u00f9 n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra t\u1eeb m\u00e1y ph\u00e1t t\u1ef1 ch\u1ebf th\u01b0\u1eddng kh\u00e1 nh\u1ecf, nh\u01b0ng n\u00f3 m\u1edf ra ti\u1ec1m n\u0103ng cho vi\u1ec7c khai th\u00e1c n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ngu\u1ed3n rung \u0111\u1ed9ng v\u00e0 \u00e1p l\u1ef1c xung quanh ch\u00fang ta.  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 h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi n\u0103ng l\u01b0\u1ee3ng \u00e1p \u0111i\u1ec7n.<\/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 m\u1ed9t s\u1ed1 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 \u0111\u00f3 ch\u00ednh l\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n. Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o<\/p>\n","protected":false},"author":1,"featured_media":24649,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-49708","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\/49708","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=49708"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49708\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/24649"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=49708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=49708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=49708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}