{"id":48164,"date":"2023-04-21T23:37:39","date_gmt":"2023-04-22T04:37:39","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-piezo-transducer\/"},"modified":"2025-01-21T07:19:12","modified_gmt":"2025-01-21T12:19:12","slug":"how-to-make-homemade-piezo-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-homemade-piezo-transducer\/","title":{"rendered":"T\u1ef1 ch\u1ebf c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0"},"content":{"rendered":"

Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n (piezo transducer) 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, tuy nhi\u00ean \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n qua c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o ra m\u1ed9t \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n.<\/p>\n

Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a \u0110\u1ea7u D\u00f2 \u00c1p \u0110i\u1ec7n<\/h3>\n

\u0110\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n, t\u1ee9c 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 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi \u00e1p d\u1ee5ng m\u1ed9t l\u1ef1c l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t t\u00edn hi\u1ec7u \u0111i\u1ec7n. Ng\u01b0\u1ee3c l\u1ea1i, khi \u00e1p d\u1ee5ng m\u1ed9t \u0111i\u1ec7n \u00e1p v\u00e0o v\u1eadt li\u1ec7u n\u00e0y, n\u00f3 s\u1ebd bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng, t\u1ea1o ra rung \u0111\u1ed9ng ho\u1eb7c \u00e1p su\u1ea5t.<\/p>\n

V\u1eadt Li\u1ec7u C\u1ea7n Chu\u1ea9n B\u1ecb<\/h3>\n\n\n\n\n\n\n\n\n\n\n
V\u1eadt Li\u1ec7u<\/th>\nM\u00f4 T\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
Mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n<\/td>\nC\u00f3 th\u1ec3 l\u1ea5y t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u0169 nh\u01b0 loa, b\u1eadt l\u1eeda, micro<\/td>\n<\/tr>\n
D\u00e2y \u0111i\u1ec7n<\/td>\nD\u00e2y \u0111\u1ed3ng nh\u1ecf, m\u1ec1m<\/td>\n<\/tr>\n
M\u1ecf h\u00e0n<\/td>\n<\/td>\n<\/tr>\n
Thi\u1ebfc h\u00e0n<\/td>\n<\/td>\n<\/tr>\n
Keo d\u00e1n<\/td>\n<\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u n\u1ec1n (t\u00f9y ch\u1ecdn)<\/td>\nNh\u1ef1a, g\u1ed7, kim lo\u1ea1i \u0111\u1ec3 g\u1eafn k\u1ebft \u0111\u1ea7u d\u00f2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Quy Tr\u00ecnh Ch\u1ebf T\u1ea1o<\/h3>\n
    \n
  1. Chu\u1ea9n b\u1ecb mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t mi\u1ebfng g\u1ed1m b\u1eb1ng c\u1ed3n ho\u1eb7c dung d\u1ecbch t\u1ea9y r\u1eeda.<\/li>\n
  2. H\u00e0n d\u00e2y \u0111i\u1ec7n:<\/strong> H\u00e0n hai d\u00e2y \u0111i\u1ec7n v\u00e0o hai m\u1eb7t c\u1ee7a mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n. L\u01b0u \u00fd h\u00e0n nhanh v\u00e0 g\u1ecdn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng mi\u1ebfng g\u1ed1m do nhi\u1ec7t.<\/li>\n
  3. 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 hai d\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00e0n ch\u1eafc ch\u1eafn v\u00e0o mi\u1ebfng g\u1ed1m hay ch\u01b0a.<\/li>\n
  4. G\u1eafn k\u1ebft (t\u00f9y ch\u1ecdn):<\/strong> N\u1ebfu c\u1ea7n thi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 g\u1eafn mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00ean m\u1ed9t v\u1eadt li\u1ec7u n\u1ec1n b\u1eb1ng keo d\u00e1n. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ed1 \u0111\u1ecbnh v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ea7u d\u00f2.<\/li>\n<\/ol>\n

    Ki\u1ec3m Tra Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n

    Sau khi ho\u00e0n th\u00e0nh, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ea7u d\u00f2 b\u1eb1ng c\u00e1ch g\u00f5 nh\u1eb9 v\u00e0o mi\u1ebfng g\u1ed1m v\u00e0 quan s\u00e1t t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1ea1o ra b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng. Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t \u0111i\u1ec7n \u00e1p nh\u1ecf v\u00e0o \u0111\u1ea7u d\u00f2 v\u00e0 quan s\u00e1t s\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a mi\u1ebfng g\u1ed1m.<\/p>\n

    \u1ee8ng D\u1ee5ng c\u1ee7a \u0110\u1ea7u D\u00f2 T\u1ef1 Ch\u1ebf<\/h3>\n

    \u0110\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u01b0: c\u1ea3m bi\u1ebfn rung \u0111\u1ed9ng, c\u1ea3m bi\u1ebfn \u00e2m thanh, t\u1ea1o \u00e2m thanh \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, n\u00ean s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u d\u00f2 chuy\u00ean d\u1ee5ng.<\/p>\n

    T\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 \u0111\u1ea7u d\u00f2 t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 hi\u1ec7u su\u1ea5t cao nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i, nh\u01b0ng qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o s\u1ebd mang l\u1ea1i cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c th\u1ef1c t\u1ebf qu\u00fd b\u00e1u. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch \u0111\u1ec3 b\u1eaft \u0111\u1ea7u d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n (piezo transducer) 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, tuy nhi\u00ean \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n qua c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o ra<\/p>\n","protected":false},"author":1,"featured_media":19412,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-48164","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\/48164","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=48164"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48164\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19412"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=48164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}