{"id":54962,"date":"2022-06-24T21:19:43","date_gmt":"2022-06-25T02:19:43","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-the-exact-amount-of-power-that-can-derived-from-a-piezosheet\/"},"modified":"2025-01-21T07:29:25","modified_gmt":"2025-01-21T12:29:25","slug":"what-is-the-exact-amount-of-power-that-can-derived-from-a-piezosheet","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-exact-amount-of-power-that-can-derived-from-a-piezosheet\/","title":{"rendered":"N\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a t\u1eeb t\u1ea5m \u00e1p \u0111i\u1ec7n: \u0110\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c"},"content":{"rendered":"<p>Piezo l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng 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.  V\u1eady ch\u00ednh x\u00e1c th\u00ec m\u1ed9t t\u1ea5m piezo c\u00f3 th\u1ec3 t\u1ea1o ra bao nhi\u00eau n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n? C\u00e2u h\u1ecfi n\u00e0y kh\u00f4ng c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u01a1n gi\u1ea3n v\u00ec l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c ph\u1ee5 thu\u1ed9c v\u00e0o r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1.  B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng su\u1ea5t c\u1ee7a m\u1ed9t t\u1ea5m piezo v\u00e0 c\u00e1ch t\u00ednh to\u00e1n g\u1ea7n \u0111\u00fang.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng su\u1ea5t c\u1ee7a Piezosheet<\/h3>\n<p>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a m\u1ed9t t\u1ea5m piezo ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng:<\/strong> Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m piezo \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra. T\u1ea5m piezo l\u1edbn h\u01a1n v\u00e0 m\u1ecfng h\u01a1n th\u01b0\u1eddng t\u1ea1o ra nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/li>\n<li><strong>V\u1eadt li\u1ec7u:<\/strong> C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u piezo kh\u00e1c nhau c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau. V\u00ed d\u1ee5, PZT (ch\u00ec zirconate titanate) l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u piezo ph\u1ed5 bi\u1ebfn v\u1edbi hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng cao.<\/li>\n<li><strong>T\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a l\u1ef1c t\u00e1c \u0111\u1ed9ng:<\/strong>  T\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a \u00e1p l\u1ef1c ho\u1eb7c rung \u0111\u1ed9ng t\u00e1c \u0111\u1ed9ng l\u00ean t\u1ea5m piezo \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra. T\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a t\u1ea5m piezo l\u00e0 t\u1ea7n s\u1ed1 m\u00e0 t\u1ea1i \u0111\u00f3 n\u00f3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a.<\/li>\n<li><strong>\u0110i\u1ec7n tr\u1edf t\u1ea3i:<\/strong> \u0110i\u1ec7n tr\u1edf c\u1ee7a m\u1ea1ch m\u00e0 t\u1ea5m piezo \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng su\u1ea5t \u0111\u1ea7u ra.  Vi\u1ec7c k\u1ebft h\u1ee3p tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a n\u0103ng l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> Hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ea5m piezo c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<h3>T\u00ednh to\u00e1n c\u00f4ng su\u1ea5t c\u1ee7a Piezosheet<\/h3>\n<p>Vi\u1ec7c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c c\u00f4ng su\u1ea5t c\u1ee7a m\u1ed9t t\u1ea5m piezo kh\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c m\u00f4 ph\u1ecfng v\u00e0 \u0111o l\u01b0\u1eddng th\u1ef1c nghi\u1ec7m. Tuy nhi\u00ean, c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh c\u00f4ng su\u1ea5t d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<th>K\u00fd hi\u1ec7u<\/th>\n<th>\u0110\u01a1n v\u1ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p h\u1edf m\u1ea1ch<\/td>\n<td>Voc<\/td>\n<td>Volt (V)<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch<\/td>\n<td>Isc<\/td>\n<td>Ampere (A)<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 s\u1ed1 gh\u00e9p \u0111i\u1ec7n c\u01a1<\/td>\n<td>k<\/td>\n<td>Kh\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00f4ng su\u1ea5t t\u1ed1i \u0111a c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c (Pmax) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh g\u1ea7n \u0111\u00fang b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n<p>Pmax = (Voc * Isc) \/ 4<\/p>\n<p>Tuy nhi\u00ean, c\u00f4ng th\u1ee9c n\u00e0y ch\u1ec9 mang t\u00ednh ch\u1ea5t \u01b0\u1edbc l\u01b0\u1ee3ng.  \u0110\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c h\u01a1n, c\u1ea7n ph\u1ea3i xem x\u00e9t c\u00e1c th\u00f4ng s\u1ed1 c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng t\u1ea5m piezo v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a Piezosheet trong thu n\u0103ng l\u01b0\u1ee3ng<\/h3>\n<p>Piezosheet c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ngu\u1ed3n rung \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 rung \u0111\u1ed9ng t\u1eeb m\u00e1y m\u00f3c, giao th\u00f4ng, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi.  N\u0103ng l\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf, c\u1ea3m bi\u1ebfn, ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng IoT.<\/p>\n<p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u00e0 m\u1ed9t t\u1ea5m piezo c\u00f3 th\u1ec3 t\u1ea1o ra l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1.  M\u1eb7c d\u00f9 vi\u1ec7c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ee9c t\u1ea1p, nh\u01b0ng vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbc t\u00ednh c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng piezosheet trong c\u00e1c \u1ee9ng d\u1ee5ng thu n\u0103ng l\u01b0\u1ee3ng.  Ti\u1ec1m n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y r\u1ea5t l\u1edbn v\u00e0 h\u1ee9a h\u1eb9n s\u1ebd mang l\u1ea1i nhi\u1ec1u \u1ee9ng d\u1ee5ng h\u1eefu \u00edch trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezo l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng 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. V\u1eady ch\u00ednh x\u00e1c th\u00ec m\u1ed9t t\u1ea5m piezo c\u00f3 th\u1ec3 t\u1ea1o ra bao nhi\u00eau n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n? C\u00e2u h\u1ecfi n\u00e0y kh\u00f4ng c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u01a1n gi\u1ea3n v\u00ec l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng<\/p>\n","protected":false},"author":1,"featured_media":575,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-54962","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\/54962","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=54962"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54962\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/575"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=54962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=54962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=54962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}