{"id":50876,"date":"2023-04-21T14:24:36","date_gmt":"2023-04-21T19:24:36","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-does-a-piezoelectric-generator-work\/"},"modified":"2025-01-21T07:11:57","modified_gmt":"2025-01-21T12:11:57","slug":"how-does-a-piezoelectric-generator-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-does-a-piezoelectric-generator-work\/","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n"},"content":{"rendered":"<p>Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb, cho ph\u00e9p ch\u00fang ta chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.  M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n, d\u1ef1a tr\u00ean nguy\u00ean l\u00fd n\u00e0y, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o ti\u1ec1m n\u0103ng. V\u1eady ch\u00ednh x\u00e1c th\u00ec m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n<\/h3>\n<p>Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n x\u1ea3y ra \u1edf m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n. Khi v\u1eadt li\u1ec7u n\u00e0y b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u1ed9t l\u1ef1c c\u01a1 h\u1ecdc, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u00e9n ho\u1eb7c k\u00e9o gi\u00e3n, c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a n\u00f3 s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng, t\u1ea1o ra s\u1ef1 ph\u00e2n c\u1ef1c \u0111i\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u.  S\u1ef1 ph\u00e2n c\u1ef1c n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p, v\u00e0 do \u0111\u00f3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, khi m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd l\u00e0m thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<h3>C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n<\/h3>\n<p>M\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m m\u1ed9t ho\u1eb7c nhi\u1ec1u v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1eb9p gi\u1eefa hai \u0111i\u1ec7n c\u1ef1c. C\u00e1c \u0111i\u1ec7n c\u1ef1c n\u00e0y \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi m\u1ed9t m\u1ea1ch \u0111i\u1ec7n \u0111\u1ec3 thu th\u1eadp n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra. V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, bao g\u1ed3m g\u1ed1m, polymer v\u00e0 composite.  Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed.<\/p>\n<h3>C\u00e1c lo\u1ea1i m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n<\/h3>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>M\u00e1y ph\u00e1t \u00e1p \u0111i\u1ec7n d\u1ea1ng n\u00e9n:<\/strong> Lo\u1ea1i n\u00e0y s\u1eed d\u1ee5ng l\u1ef1c n\u00e9n tr\u1ef1c ti\u1ebfp l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n n\u0103ng.<\/li>\n<li><strong>M\u00e1y ph\u00e1t \u00e1p \u0111i\u1ec7n d\u1ea1ng u\u1ed1n:<\/strong>  Lo\u1ea1i n\u00e0y s\u1eed d\u1ee5ng s\u1ef1 u\u1ed1n cong c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n n\u0103ng.  \u0110\u00e2y l\u00e0 lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng.<\/li>\n<li><strong>M\u00e1y ph\u00e1t \u00e1p \u0111i\u1ec7n d\u1ea1ng c\u1eaft:<\/strong>  Lo\u1ea1i n\u00e0y s\u1eed d\u1ee5ng l\u1ef1c c\u1eaft t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n.<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Lo\u1ea1i m\u00e1y ph\u00e1t<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u00e9n<\/td>\n<td>C\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n, d\u1ec5 s\u1ea3n xu\u1ea5t<\/td>\n<td>Hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>U\u1ed1n<\/td>\n<td>Hi\u1ec7u su\u1ea5t cao h\u01a1n d\u1ea1ng n\u00e9n<\/td>\n<td>\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 b\u1ecb h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>C\u1eaft<\/td>\n<td>\u0110\u1ed9 nh\u1ea1y cao<\/td>\n<td>C\u1ea5u t\u1ea1o ph\u1ee9c t\u1ea1p h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng, t\u1eeb vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf \u0111\u1ebfn vi\u1ec7c thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng trong c\u00e1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.  M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng \u00e1p su\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 trong l\u1ed1p xe ho\u1eb7c h\u1ec7 th\u1ed1ng y t\u1ebf.<\/li>\n<li><strong>\u0110\u00e1nh l\u1eeda:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1eadt l\u1eeda v\u00e0 b\u1ebfp ga.<\/li>\n<li><strong>Thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng:<\/strong>  Chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng t\u1eeb m\u00e1y m\u00f3c, c\u1ea7u \u0111\u01b0\u1eddng ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 b\u01b0\u1edbc ch\u00e2n th\u00e0nh \u0111i\u1ec7n n\u0103ng.<\/li>\n<li><strong>Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb \u0111eo:<\/strong>  S\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u1eeb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh ho\u1eb7c thi\u1ebft b\u1ecb theo d\u00f5i s\u1ee9c kh\u1ecfe.<\/li>\n<\/ul>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ngu\u1ed3n rung \u0111\u1ed9ng v\u00e0 chuy\u1ec3n \u0111\u1ed9ng xung quanh ch\u00fang ta.  M\u1eb7c d\u00f9 v\u1eabn c\u00f2n nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed, nh\u01b0ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf, m\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n h\u1ee9a h\u1eb9n s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong t\u01b0\u01a1ng lai c\u1ee7a n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd th\u00fa v\u1ecb, cho ph\u00e9p ch\u00fang ta chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. M\u00e1y ph\u00e1t \u0111i\u1ec7n \u00e1p \u0111i\u1ec7n, d\u1ef1a tr\u00ean nguy\u00ean l\u00fd n\u00e0y, \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nh\u01b0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o ti\u1ec1m n\u0103ng. V\u1eady<\/p>\n","protected":false},"author":1,"featured_media":24648,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-50876","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\/50876","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=50876"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/50876\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/24648"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=50876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=50876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=50876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}