{"id":47332,"date":"2023-04-22T00:26:49","date_gmt":"2023-04-22T05:26:49","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-produce-ultrasonic-waves-at-home\/"},"modified":"2025-01-21T07:21:15","modified_gmt":"2025-01-21T12:21:15","slug":"how-to-produce-ultrasonic-waves-at-home","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-produce-ultrasonic-waves-at-home\/","title":{"rendered":"T\u1ef1 t\u1ea1o s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0: Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"

Vi\u1ec7c t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0 nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng th\u1ef1c t\u1ebf c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 \u0111\u01a1n gi\u1ea3n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n v\u1edbi c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u1ea1o s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0 m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m<\/h3>\n

S\u00f3ng si\u00eau \u00e2m l\u00e0 s\u00f3ng \u00e2m thanh c\u00f3 t\u1ea7n s\u1ed1 cao h\u01a1n ng\u01b0\u1ee1ng nghe c\u1ee7a con ng\u01b0\u1eddi, th\u01b0\u1eddng l\u00e0 tr\u00ean 20kHz. Ch\u00fang \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \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 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi \u00e1p 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\u1edbi t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u1ee9ng, t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.<\/p>\n

S\u1eed d\u1ee5ng b\u1ed9 ph\u00e1t si\u00eau \u00e2m c\u00f3 s\u1eb5n<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng b\u1ed9 ph\u00e1t si\u00eau \u00e2m c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm mua ch\u00fang t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed ho\u1eb7c tr\u1ef1c tuy\u1ebfn. C\u00e1c b\u1ed9 ph\u00e1t n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng chi ti\u1ebft. Ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i ch\u00fang v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ph\u00f9 h\u1ee3p l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.<\/p>\n

T\u1ef1 ch\u1ebf b\u1ed9 ph\u00e1t si\u00eau \u00e2m \u0111\u01a1n gi\u1ea3n<\/h3>\n

N\u1ebfu b\u1ea1n mu\u1ed1n t\u1ef1 tay ch\u1ebf t\u1ea1o m\u1ed9t b\u1ed9 ph\u00e1t si\u00eau \u00e2m \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n.<\/p>\n\n\n\n\n\n\n\n
Linh ki\u1ec7n c\u1ea7n thi\u1ebft<\/th>\nM\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n<\/td>\nC\u00f3 th\u1ec3 t\u00ecm mua t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed.<\/td>\n<\/tr>\n
M\u1ea1ch dao \u0111\u1ed9ng<\/td>\nT\u1ea1o ra t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u v\u1edbi t\u1ea7n s\u1ed1 si\u00eau \u00e2m.<\/td>\n<\/tr>\n
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nCung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ea1ch dao \u0111\u1ed9ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n v\u1edbi m\u1ea1ch dao \u0111\u1ed9ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n. T\u1ea7n s\u1ed1 c\u1ee7a s\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 c\u1ee7a m\u1ea1ch dao \u0111\u1ed9ng.<\/p>\n

L\u01b0u \u00fd an to\u00e0n khi l\u00e0m vi\u1ec7c v\u1edbi s\u00f3ng si\u00eau \u00e2m<\/h3>\n

M\u1eb7c d\u00f9 s\u00f3ng si\u00eau \u00e2m \u1edf c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p t\u01b0\u01a1ng \u0111\u1ed1i an to\u00e0n, nh\u01b0ng vi\u1ec7c ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi s\u00f3ng si\u00eau \u00e2m c\u01b0\u1eddng \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn s\u1ee9c kh\u1ecfe. V\u00ec v\u1eady, b\u1ea1n n\u00ean h\u1ea1n ch\u1ebf th\u1eddi gian ti\u1ebfp x\u00fac v\u00e0 tr\u00e1nh h\u01b0\u1edbng tr\u1ef1c ti\u1ebfp b\u1ed9 ph\u00e1t si\u00eau \u00e2m v\u00e0o c\u01a1 th\u1ec3. <\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a s\u00f3ng si\u00eau \u00e2m t\u1ef1 ch\u1ebf<\/h3>\n

S\u00f3ng si\u00eau \u00e2m t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n nh\u1ecf, v\u00ed d\u1ee5 nh\u01b0:<\/p>\n

    \n
  • L\u00e0m m\u00e1y \u0111u\u1ed5i c\u00f4n tr\u00f9ng \u0111\u01a1n gi\u1ea3n.<\/li>\n
  • Th\u1eed nghi\u1ec7m \u0111o kho\u1ea3ng c\u00e1ch b\u1eb1ng s\u00f3ng si\u00eau \u00e2m.<\/li>\n
  • L\u00e0m thi\u1ebft b\u1ecb v\u1ec7 sinh nh\u1ecf g\u1ecdn b\u1eb1ng s\u00f3ng si\u00eau \u00e2m.<\/li>\n<\/ul>\n

    T\u00f3m l\u1ea1i, vi\u1ec7c t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0 ho\u00e0n to\u00e0n kh\u1ea3 thi v\u1edbi m\u1ed9t ch\u00fat ki\u1ebfn th\u1ee9c v\u1ec1 \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n \u0111\u1ec3 tr\u00e1nh nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn s\u1ee9c kh\u1ecfe. 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 v\u1ec1 c\u00e1ch t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vi\u1ec7c t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0 nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng th\u1ef1c t\u1ebf c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 \u0111\u01a1n gi\u1ea3n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n v\u1edbi c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u1ea1o s\u00f3ng si\u00eau \u00e2m t\u1ea1i nh\u00e0 m\u1ed9t c\u00e1ch an<\/p>\n","protected":false},"author":1,"featured_media":26471,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-47332","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\/47332","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=47332"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/47332\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26471"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=47332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=47332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=47332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}