{"id":48812,"date":"2023-04-21T22:58:30","date_gmt":"2023-04-22T03:58:30","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-a-vibration-powered-generator\/"},"modified":"2025-01-21T07:17:33","modified_gmt":"2025-01-21T12:17:33","slug":"how-to-make-a-vibration-powered-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-a-vibration-powered-generator\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng, m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng v\u00f4 h\u00ecnh t\u1ed3n t\u1ea1i xung quanh ta, t\u1eeb ti\u1ebfng \u1ed3n giao th\u00f4ng \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c, \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n n\u0103ng h\u1eefu \u00edch. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng, m\u1ed9t gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. Khi m\u1ed9t v\u1eadt d\u1eabn chuy\u1ec3n \u0111\u1ed9ng trong t\u1eeb tr\u01b0\u1eddng, n\u00f3 s\u1ebd t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1eefa nam ch\u00e2m v\u00e0 cu\u1ed9n d\u00e2y, t\u1eeb \u0111\u00f3 sinh ra \u0111i\u1ec7n n\u0103ng. T\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a rung \u0111\u1ed9ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c t\u1ea1o ra. Rung \u0111\u1ed9ng c\u00e0ng m\u1ea1nh v\u00e0 nhanh, \u0111i\u1ec7n n\u0103ng sinh ra c\u00e0ng nhi\u1ec1u.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nam ch\u00e2m<\/td>\n<td>Nam ch\u00e2m v\u0129nh c\u1eedu, neodymium l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t do t\u1eeb tr\u01b0\u1eddng m\u1ea1nh.<\/td>\n<\/tr>\n<tr>\n<td>Cu\u1ed9n d\u00e2y<\/td>\n<td>Cu\u1ed9n d\u00e2y \u0111\u1ed3ng, s\u1ed1 v\u00f2ng d\u00e2y c\u00e0ng nhi\u1ec1u th\u00ec \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u00e0ng cao.<\/td>\n<\/tr>\n<tr>\n<td>L\u00f2 xo<\/td>\n<td>L\u00f2 xo c\u00f3 \u0111\u1ed9 c\u1ee9ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng mong mu\u1ed1n.<\/td>\n<\/tr>\n<tr>\n<td>V\u1ecf b\u1ecdc<\/td>\n<td>H\u1ed9p nh\u1ef1a ho\u1eb7c kim lo\u1ea1i \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n b\u00ean trong.<\/td>\n<\/tr>\n<tr>\n<td>Diode ch\u1ec9nh l\u01b0u (t\u00f9y ch\u1ecdn)<\/td>\n<td>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Quy tr\u00ecnh l\u1eafp r\u00e1p<\/h3>\n<ol>\n<li>G\u1eafn nam ch\u00e2m v\u00e0o m\u1ed9t \u0111\u1ea7u c\u1ee7a l\u00f2 xo.<\/li>\n<li>\u0110\u1eb7t cu\u1ed9n d\u00e2y c\u1ed1 \u0111\u1ecbnh b\u00ean trong v\u1ecf b\u1ecdc sao cho nam ch\u00e2m c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1ef1 do b\u00ean trong cu\u1ed9n d\u00e2y khi l\u00f2 xo dao \u0111\u1ed9ng.<\/li>\n<li>G\u1eafn \u0111\u1ea7u c\u00f2n l\u1ea1i c\u1ee7a l\u00f2 xo v\u00e0o v\u1ecf b\u1ecdc.<\/li>\n<li>K\u1ebft n\u1ed1i hai \u0111\u1ea7u d\u00e2y c\u1ee7a cu\u1ed9n d\u00e2y v\u1edbi m\u1ea1ch \u0111i\u1ec7n c\u1ea7n c\u1ea5p ngu\u1ed3n ho\u1eb7c v\u1edbi diode ch\u1ec9nh l\u01b0u n\u1ebfu c\u1ea7n d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u.<\/li>\n<\/ol>\n<h3>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t<\/h3>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1. B\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1ch:<\/p>\n<ul>\n<li><strong>Ch\u1ecdn nam ch\u00e2m m\u1ea1nh:<\/strong> Nam ch\u00e2m neodymium l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t.<\/li>\n<li><strong>T\u0103ng s\u1ed1 v\u00f2ng d\u00e2y c\u1ee7a cu\u1ed9n d\u00e2y:<\/strong>  S\u1ed1 v\u00f2ng d\u00e2y c\u00e0ng nhi\u1ec1u, \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u00e0ng cao.<\/li>\n<li><strong>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u00f2 xo:<\/strong> L\u00f2 xo c\u1ea7n c\u00f3 \u0111\u1ed9 c\u1ee9ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea7n s\u1ed1 rung \u0111\u1ed9ng ngu\u1ed3n.<\/li>\n<li><strong>Gi\u1ea3m thi\u1ec3u ma s\u00e1t:<\/strong> S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u tr\u01a1n nh\u1eb5n cho c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>\u1ee8ng d\u1ee5ng<\/h3>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c c\u1ea3m bi\u1ebfn nh\u1ecf trong c\u00e1c thi\u1ebft b\u1ecb IoT \u0111\u1ebfn vi\u1ec7c thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.  V\u00ed d\u1ee5, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c c\u1ea3m bi\u1ebfn theo d\u00f5i t\u00ecnh tr\u1ea1ng c\u1ea7u \u0111\u01b0\u1eddng, ho\u1eb7c thu h\u1ed3i n\u0103ng l\u01b0\u1ee3ng t\u1eeb rung \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4.<\/p>\n<p>Vi\u1ec7c ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb m\u00e0 c\u00f2n mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch thi\u1ebft th\u1ef1c.  \u0110\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn nh\u1ecf h\u01b0\u1edbng t\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.  V\u1edbi s\u1ef1 s\u00e1ng t\u1ea1o v\u00e0 t\u00ecm t\u00f2i,  m\u00e1y ph\u00e1t \u0111i\u1ec7n rung \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103ng l\u01b0\u1ee3ng rung \u0111\u1ed9ng, m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng v\u00f4 h\u00ecnh t\u1ed3n t\u1ea1i xung quanh ta, t\u1eeb ti\u1ebfng \u1ed3n giao th\u00f4ng \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c, \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n n\u0103ng h\u1eefu \u00edch. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/p>\n","protected":false},"author":1,"featured_media":42444,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-48812","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\/48812","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=48812"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48812\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/42444"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=48812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}