{"id":48140,"date":"2023-04-21T23:38:48","date_gmt":"2023-04-22T04:38:48","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-piezoelectric-transducer\/"},"modified":"2025-01-21T07:19:14","modified_gmt":"2025-01-21T12:19:14","slug":"how-to-make-homemade-piezoelectric-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-homemade-piezoelectric-transducer\/","title":{"rendered":"T\u1ef1 ch\u1ebf c\u1ea3m bi\u1ebfn \u00e1p \u0111i\u1ec7n t\u1ea1i nh\u00e0"},"content":{"rendered":"

Vi\u1ec7c ch\u1ebf t\u1ea1o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n (piezoelectric 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 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb t\u1ef1 ch\u1ebf th\u01b0\u1eddng s\u1ebd kh\u00f4ng th\u1ec3 so s\u00e1nh v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i. 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 m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n \u0111\u01a1n gi\u1ea3n.<\/p>\n

Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i \u00c1p \u0110i\u1ec7n<\/h3>\n

B\u1ed9 chuy\u1ec3n \u0111\u1ed5i \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, bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p th\u00e0nh rung \u0111\u1ed9ng c\u01a1 h\u1ecdc. Ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng lo\u1ea1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n readily available cho d\u1ef1 \u00e1n n\u00e0y.<\/p>\n

V\u1eadt Li\u1ec7u C\u1ea7n Thi\u1ebft<\/h3>\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 buzzer c\u0169, ho\u1eb7c mua online.<\/td>\n<\/tr>\n
D\u00e2y \u0111i\u1ec7n \u0111\u1ed3ng<\/td>\nD\u00f9ng \u0111\u1ec3 n\u1ed1i d\u00e2y v\u1edbi mi\u1ebfng g\u1ed1m.<\/td>\n<\/tr>\n
M\u1ecf h\u00e0n<\/td>\n\u0110\u1ec3 h\u00e0n d\u00e2y \u0111i\u1ec7n.<\/td>\n<\/tr>\n
Keo d\u00e1n<\/td>\n\u0110\u1ec3 c\u1ed1 \u0111\u1ecbnh mi\u1ebfng g\u1ed1m.<\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u n\u1ec1n (t\u00f9y ch\u1ecdn)<\/td>\nNh\u1ef1a, g\u1ed7, ho\u1eb7c kim lo\u1ea1i \u0111\u1ec3 g\u1eafn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c B\u01b0\u1edbc Th\u1ef1c Hi\u1ec7n<\/h3>\n
    \n
  1. \n

    Chu\u1ea9n b\u1ecb mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> N\u1ebfu s\u1eed d\u1ee5ng buzzer c\u0169, c\u1ea7n th\u00e1o r\u1eddi \u0111\u1ec3 l\u1ea5y mi\u1ebfng g\u1ed1m b\u00ean trong. L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t mi\u1ebfng g\u1ed1m.<\/p>\n<\/li>\n

  2. \n

    H\u00e0n d\u00e2y \u0111i\u1ec7n:<\/strong> H\u00e0n hai d\u00e2y \u0111i\u1ec7n \u0111\u1ed3ng v\u00e0o hai m\u1eb7t c\u1ee7a mi\u1ebfng g\u1ed1m \u00e1p \u0111i\u1ec7n. C\u1ea7n c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng mi\u1ebfng g\u1ed1m do nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<\/li>\n

  3. \n

    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 \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00e0n ch\u1eafc ch\u1eafn v\u00e0o mi\u1ebfng g\u1ed1m hay ch\u01b0a.<\/p>\n<\/li>\n

  4. \n

    G\u1eafn mi\u1ebfng g\u1ed1m (t\u00f9y ch\u1ecdn):<\/strong> N\u1ebfu c\u1ea7n, c\u00f3 th\u1ec3 g\u1eafn mi\u1ebfng g\u1ed1m v\u00e0o v\u1eadt li\u1ec7u n\u1ec1n b\u1eb1ng keo d\u00e1n. Vi\u1ec7c n\u00e0y gi\u00fap c\u1ed1 \u0111\u1ecbnh v\u00e0 b\u1ea3o v\u1ec7 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<\/li>\n<\/ol>\n

    Ki\u1ec3m Tra B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i<\/h3>\n

    Sau khi ho\u00e0n th\u00e0nh, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1eb1ng c\u00e1ch g\u00f5 nh\u1eb9 v\u00e0o mi\u1ebfng g\u1ed1m. N\u1ebfu k\u1ebft n\u1ed1i t\u1ed1t, b\u1ea1n s\u1ebd \u0111o \u0111\u01b0\u1ee3c m\u1ed9t \u0111i\u1ec7n \u00e1p nh\u1ecf b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu c\u1ea5p m\u1ed9t \u0111i\u1ec7n \u00e1p nh\u1ecf v\u00e0o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, mi\u1ebfng g\u1ed1m s\u1ebd rung nh\u1eb9. L\u01b0u \u00fd, \u0111i\u1ec7n \u00e1p s\u1eed d\u1ee5ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u00ednh c\u1ee7a mi\u1ebfng g\u1ed1m \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng n\u00f3.<\/p>\n

    T\u1ef1 ch\u1ebf t\u1ea1o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t c\u00e1ch th\u00fa v\u1ecb \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. M\u1eb7c d\u00f9 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 kh\u00f4ng m\u1ea1nh m\u1ebd ho\u1eb7c nh\u1ea1y nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i, nh\u01b0ng n\u00f3 v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vi\u1ec7c ch\u1ebf t\u1ea1o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n (piezoelectric 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 c\u1ea7n l\u01b0u \u00fd r\u1eb1ng hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb t\u1ef1 ch\u1ebf th\u01b0\u1eddng s\u1ebd kh\u00f4ng th\u1ec3 so s\u00e1nh v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng<\/p>\n","protected":false},"author":1,"featured_media":19407,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-48140","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\/48140","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=48140"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48140\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19407"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=48140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}