{"id":48676,"date":"2023-04-21T23:06:21","date_gmt":"2023-04-22T04:06:21","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-an-ultrasonic-transducer\/"},"modified":"2025-01-21T07:17:51","modified_gmt":"2025-01-21T12:17:51","slug":"how-to-make-an-ultrasonic-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-an-ultrasonic-transducer\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m"},"content":{"rendered":"

Si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i, t\u1eeb \u1ee9ng d\u1ee5ng trong y t\u1ebf, c\u00f4ng nghi\u1ec7p cho \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m c\u01a1 b\u1ea3n.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m<\/h3>\n

\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, nh\u01b0 g\u1ed1m \u00e1p \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc d\u01b0\u1edbi d\u1ea1ng s\u00f3ng si\u00eau \u00e2m v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi \u0111\u1eb7t m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd dao \u0111\u1ed9ng v\u00e0 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m. Ng\u01b0\u1ee3c l\u1ea1i, khi s\u00f3ng si\u00eau \u00e2m t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u.<\/p>\n

V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n

\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\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
G\u1ed1m \u00e1p \u0111i\u1ec7n<\/td>\nV\u1eadt li\u1ec7u ch\u00ednh t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.<\/td>\n<\/tr>\n
V\u1ecf b\u1ecdc<\/td>\nB\u1ea3o v\u1ec7 g\u1ed1m \u00e1p \u0111i\u1ec7n v\u00e0 gi\u00fap t\u1eadp trung s\u00f3ng si\u00eau \u00e2m.<\/td>\n<\/tr>\n
D\u00e2y d\u1eabn<\/td>\nK\u1ebft n\u1ed1i g\u1ed1m \u00e1p \u0111i\u1ec7n v\u1edbi ngu\u1ed3n \u0111i\u1ec7n.<\/td>\n<\/tr>\n
Ch\u1ea5t k\u1ebft d\u00ednh<\/td>\nG\u1eafn k\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n l\u1ea1i v\u1edbi nhau.<\/td>\n<\/tr>\n
Ch\u1ea5t \u0111\u1ec7m<\/td>\nGi\u00fap truy\u1ec1n s\u00f3ng si\u00eau \u00e2m hi\u1ec7u qu\u1ea3.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c b\u01b0\u1edbc ch\u1ebf t\u1ea1o<\/h3>\n
    \n
  1. Chu\u1ea9n b\u1ecb g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> C\u1eaft g\u1ed1m \u00e1p \u0111i\u1ec7n th\u00e0nh h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc mong mu\u1ed1n. \u0110\u1ed9 d\u00e0y c\u1ee7a g\u1ed1m s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea7n s\u1ed1 s\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/li>\n
  2. G\u1eafn k\u1ebft g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> S\u1eed d\u1ee5ng ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ec3 g\u1eafn g\u1ed1m \u00e1p \u0111i\u1ec7n v\u00e0o v\u1ecf b\u1ecdc. \u0110\u1ea3m b\u1ea3o g\u1ed1m \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0 kh\u00f4ng b\u1ecb d\u1ecbch chuy\u1ec3n.<\/li>\n
  3. K\u1ebft n\u1ed1i d\u00e2y d\u1eabn:<\/strong> H\u00e0n d\u00e2y d\u1eabn v\u00e0o c\u00e1c \u0111i\u1ec7n c\u1ef1c c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n. S\u1eed d\u1ee5ng lo\u1ea1i d\u00e2y d\u1eabn c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/li>\n
  4. \u0110\u1ed5 ch\u1ea5t \u0111\u1ec7m:<\/strong> \u0110\u1ed5 ch\u1ea5t \u0111\u1ec7m v\u00e0o v\u1ecf b\u1ecdc \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng xung quanh g\u1ed1m \u00e1p \u0111i\u1ec7n. Ch\u1ea5t \u0111\u1ec7m gi\u00fap truy\u1ec1n s\u00f3ng si\u00eau \u00e2m hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n
  5. \u0110\u00f3ng k\u00edn v\u1ecf b\u1ecdc:<\/strong> \u0110\u1eady k\u00edn v\u1ecf b\u1ecdc \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong kh\u1ecfi b\u1ee5i b\u1ea9n v\u00e0 \u1ea9m \u01b0\u1edbt.<\/li>\n<\/ol>\n

    Ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh<\/h3>\n

    Sau khi ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc ch\u1ebf t\u1ea1o, c\u1ea7n ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i n\u00f3 v\u1edbi m\u1ed9t m\u00e1y ph\u00e1t s\u00f3ng si\u00eau \u00e2m. \u0110i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 s\u00f3ng si\u00eau \u00e2m sao cho ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n

    \u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m t\u1ef1 ch\u1ebf<\/h3>\n

    \u0110\u1ea7u d\u00f2 si\u00eau \u00e2m t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb vi\u1ec7c \u0111o kho\u1ea3ng c\u00e1ch, ph\u00e1t hi\u1ec7n v\u1eadt c\u1ea3n cho \u0111\u1ebfn l\u00e0m s\u1ea1ch \u0111\u1ed3 v\u1eadt. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, n\u00ean s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m chuy\u00ean d\u1ee5ng.<\/p>\n

    Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 ki\u00ean nh\u1eabn. Tuy nhi\u00ean, v\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn tr\u00ean, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c m\u1ee5c \u0111\u00edch h\u1ecdc t\u1eadp v\u00e0 nghi\u00ean c\u1ee9u. 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 v\u1ec1 c\u00e1ch ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Si\u00eau \u00e2m \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i, t\u1eeb \u1ee9ng d\u1ee5ng trong y t\u1ebf, c\u00f4ng nghi\u1ec7p cho \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1<\/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-48676","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\/48676","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=48676"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48676\/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=48676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}