{"id":48148,"date":"2023-04-21T23:38:26","date_gmt":"2023-04-22T04:38:26","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-piezoelectric-generator\/"},"modified":"2025-01-21T07:19:14","modified_gmt":"2025-01-21T12:19:14","slug":"how-to-make-homemade-piezoelectric-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-homemade-piezoelectric-generator\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"<p>Vi\u1ec7c t\u1ea1o ra m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n (piezoelectric generator) t\u1ea1i nh\u00e0 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 mang t\u00ednh gi\u00e1o d\u1ee5c, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh \u0111i\u1ec7n n\u0103ng. M\u1eb7c d\u00f9 n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb t\u1ef1 ch\u1ebf th\u01b0\u1eddng nh\u1ecf, nh\u01b0ng \u0111\u1ee7 \u0111\u1ec3 cung c\u1ea5p cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf ho\u1eb7c minh h\u1ecda cho nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. 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 \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 t\u00ecm.<\/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>Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc.  Khi v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n b\u1ecb n\u00e9n ho\u1eb7c k\u00e9o gi\u00e3n, s\u1ef1 ph\u00e2n b\u1ed1 \u0111i\u1ec7n t\u00edch b\u00ean trong v\u1eadt li\u1ec7u thay \u0111\u1ed5i, t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 do \u0111\u00f3 t\u1ea1o ra \u0111i\u1ec7n \u00e1p tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u. M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd n\u00e0y, chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc t\u1eeb rung \u0111\u1ed9ng, \u00e1p l\u1ef1c, ho\u1eb7c t\u00e1c \u0111\u1ed9ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n.<\/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 \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n<ul>\n<li><strong>Mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm mua c\u00e1c mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n tr\u00ean c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed ho\u1eb7c c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed.<\/li>\n<li><strong>D\u00e2y \u0111i\u1ec7n:<\/strong> D\u00f9ng \u0111\u1ec3 n\u1ed1i c\u00e1c mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n v\u1edbi m\u1ea1ch \u0111i\u1ec7n.<\/li>\n<li><strong>M\u1ecf h\u00e0n v\u00e0 ch\u00ec h\u00e0n:<\/strong> D\u00f9ng \u0111\u1ec3 h\u00e0n d\u00e2y \u0111i\u1ec7n v\u00e0o mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/li>\n<li><strong>B\u0103ng keo hai m\u1eb7t:<\/strong> D\u00f9ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/li>\n<li><strong>V\u1eadt li\u1ec7u t\u1ea1o l\u1ef1c c\u01a1 h\u1ecdc (t\u00f9y ch\u1ecdn):<\/strong> C\u00f3 th\u1ec3 l\u00e0 m\u1ed9t mi\u1ebfng g\u1ed7 nh\u1ecf, b\u00faa cao su, 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 \u00e1p \u0111i\u1ec7n.<\/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 \u00e1p \u0111i\u1ec7n:<\/strong>  \u0110\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t mi\u1ebfng g\u1ed1m s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4 r\u00e1o.<\/li>\n<li><strong>H\u00e0n 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. L\u01b0u \u00fd h\u00e0n c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac t\u1ed1t.<\/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 k\u1ebft n\u1ed1i gi\u1eefa hai d\u00e2y \u0111i\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch.<\/li>\n<li><strong>G\u1eafn mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> S\u1eed d\u1ee5ng b\u0103ng keo hai m\u1eb7t \u0111\u1ec3 g\u1eafn mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n v\u00e0o v\u1eadt li\u1ec7u t\u1ea1o l\u1ef1c c\u01a1 h\u1ecdc (n\u1ebfu c\u00f3).  <\/li>\n<\/ol>\n<h3>Th\u1eed nghi\u1ec7m m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<p>Sau khi ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m m\u00e1y ph\u00e1t \u0111i\u1ec7n b\u1eb1ng c\u00e1ch t\u00e1c \u0111\u1ed9ng l\u1ef1c l\u00ean mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n.  S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 \u0111o \u0111i\u1ec7n \u00e1p t\u1ea1o ra. \u0110i\u1ec7n \u00e1p t\u1ea1o ra s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1c t\u00e1c \u0111\u1ed9ng v\u00e0 lo\u1ea1i mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n s\u1eed d\u1ee5ng.<\/p>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n t\u1ef1 ch\u1ebf<\/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>C\u1ea3m bi\u1ebfn rung \u0111\u1ed9ng<\/td>\n<td>Ph\u00e1t hi\u1ec7n rung \u0111\u1ed9ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>N\u00fat nh\u1ea5n \u00e1p \u0111i\u1ec7n<\/td>\n<td>T\u1ea1o ra \u0111i\u1ec7n \u00e1p khi \u0111\u01b0\u1ee3c nh\u1ea5n, thay th\u1ebf cho n\u00fat nh\u1ea5n th\u00f4ng th\u01b0\u1eddng.<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng nh\u1ecf<\/td>\n<td>Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0 \u0111\u00e8n LED.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c t\u1ef1 l\u00e0m m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n t\u1ea1i nh\u00e0 kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n m\u00e0 c\u00f2n kh\u01a1i g\u1ee3i s\u1ef1 s\u00e1ng t\u1ea1o v\u00e0 ni\u1ec1m \u0111am m\u00ea khoa h\u1ecdc. M\u1eb7c d\u00f9 n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb t\u1ef1 ch\u1ebf c\u00f2n h\u1ea1n ch\u1ebf, nh\u01b0ng \u0111\u00e2y l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u th\u00fa v\u1ecb \u0111\u1ec3 kh\u00e1m ph\u00e1 ti\u1ec1m n\u0103ng c\u1ee7a n\u0103ng l\u01b0\u1ee3ng \u00e1p \u0111i\u1ec7n trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c t\u1ea1o ra m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n (piezoelectric generator) t\u1ea1i nh\u00e0 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 mang t\u00ednh gi\u00e1o d\u1ee5c, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh \u0111i\u1ec7n n\u0103ng. M\u1eb7c d\u00f9 n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb t\u1ef1 ch\u1ebf<\/p>\n","protected":false},"author":1,"featured_media":24654,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-48148","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\/48148","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=48148"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48148\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/24654"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=48148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}