{"id":51140,"date":"2023-04-21T14:08:57","date_gmt":"2023-04-21T19:08:57","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-do-piezo-discs-work\/"},"modified":"2025-01-21T07:11:22","modified_gmt":"2025-01-21T12:11:22","slug":"how-do-piezo-discs-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-do-piezo-discs-work\/","title":{"rendered":"Kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u0129a piezo"},"content":{"rendered":"

\u0110\u0129a g\u1ed1m \u00e1p \u0111i\u1ec7n, hay c\u00f2n g\u1ecdi l\u00e0 \u0111\u0129a piezo, l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \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. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. S\u1ef1 k\u1ef3 di\u1ec7u c\u1ee7a nh\u1eefng chi\u1ebfc \u0111\u0129a nh\u1ecf b\u00e9 n\u00e0y n\u1eb1m trong c\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 c\u00e1ch ch\u00fang ph\u1ea3n \u1ee9ng v\u1edbi \u00e1p l\u1ef1c. T\u1eeb nh\u1eefng chi\u1ebfc b\u1eadt l\u1eeda gas \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf ph\u1ee9c t\u1ea1p, \u0111\u0129a piezo \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u0129a piezo, t\u1eeb c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u \u0111\u1ebfn \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n.<\/p>\n

C\u1ea5u tr\u00fac Tinh th\u1ec3 v\u00e0 Hi\u1ec7u \u1ee9ng \u00c1p \u0111i\u1ec7n<\/h3>\n

\u0110\u0129a piezo \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u g\u1ed1m \u0111a tinh th\u1ec3, th\u01b0\u1eddng l\u00e0 g\u1ed1m titanat zirconat ch\u00ec (PZT). C\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 t\u00ednh ph\u00e2n c\u1ef1c t\u1ef1 ph\u00e1t, ngh\u0129a l\u00e0 c\u00e1c \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng v\u00e0 \u00e2m ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ec1u trong tinh th\u1ec3. Khi \u0111\u0129a piezo b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u1ed9t l\u1ef1c b\u00ean ngo\u00e0i, c\u1ea5u tr\u00fac tinh th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng, l\u00e0m thay \u0111\u1ed5i s\u1ef1 ph\u00e2n b\u1ed1 \u0111i\u1ec7n t\u00edch v\u00e0 t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a. Ng\u01b0\u1ee3c l\u1ea1i, khi \u0111\u1eb7t m\u1ed9t \u0111i\u1ec7n \u00e1p v\u00e0o \u0111\u0129a piezo, c\u1ea5u tr\u00fac tinh th\u1ec3 s\u1ebd thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc, t\u1ea1o ra s\u1ef1 bi\u1ebfn d\u1ea1ng c\u01a1 h\u1ecdc.<\/p>\n

C\u00e1c Lo\u1ea1i \u0110\u0129a Piezo v\u00e0 \u0110\u1eb7c t\u00ednh<\/h3>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u0129a piezo kh\u00e1c nhau, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n c\u01a1.<\/p>\n\n\n\n\n\n\n\n
\u0110\u1eb7c t\u00ednh<\/th>\n\u0110\u0129a Piezo C\u00f4ng su\u1ea5t Th\u1ea5p<\/th>\n\u0110\u0129a Piezo C\u00f4ng su\u1ea5t Cao<\/th>\n<\/tr>\n<\/thead>\n
\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng<\/td>\nTh\u1ea5p<\/td>\nCao<\/td>\n<\/tr>\n
Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng<\/td>\nNh\u1ecf<\/td>\nL\u1edbn<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng<\/td>\nC\u1ea3m bi\u1ebfn, thi\u1ebft b\u1ecb y t\u1ebf<\/td>\nThi\u1ebft b\u1ecb si\u00eau \u00e2m, m\u00e1y in<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u1ee8ng d\u1ee5ng c\u1ee7a \u0110\u0129a Piezo<\/h3>\n

\u0110\u0129a piezo c\u00f3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ebfn c\u00f4ng ngh\u1ec7 cao. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

    \n
  • B\u1eadt l\u1eeda:<\/strong> Tia l\u1eeda \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch n\u00e9n m\u1ed9t tinh th\u1ec3 piezo.<\/li>\n
  • C\u1ea3m bi\u1ebfn:<\/strong> \u0110\u0129a piezo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t, gia t\u1ed1c, v\u00e0 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00fd kh\u00e1c.<\/li>\n
  • Thi\u1ebft b\u1ecb si\u00eau \u00e2m:<\/strong> Trong l\u0129nh v\u1ef1c y t\u1ebf, \u0111\u0129a piezo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m cho m\u1ee5c \u0111\u00edch ch\u1ea9n \u0111o\u00e1n h\u00ecnh \u1ea3nh. N\u1ebfu c\u1ea7n thi\u1ebft b\u1ecb si\u00eau \u00e2m c\u00f4ng su\u1ea5t cao, m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m c\u1ee7a Beijing Ultrasonic c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y.<\/li>\n
  • M\u00e1y in:<\/strong> \u0110\u0129a piezo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e1y in phun \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n vi\u1ec7c phun m\u1ef1c.<\/li>\n
  • Thi\u1ebft b\u1ecb t\u1ea1o \u00e2m thanh:<\/strong> \u0110\u0129a piezo c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra \u00e2m thanh \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau.<\/li>\n<\/ul>\n

    Hi\u1ec7u su\u1ea5t v\u00e0 Tu\u1ed5i th\u1ecd<\/h3>\n

    Hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u0129a piezo ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, v\u00e0 t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng. Tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u0129a piezo c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, c\u0169ng nh\u01b0 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng v\u00e0 s\u1ed1 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

    T\u00f3m l\u1ea1i, \u0111\u0129a piezo l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nh\u1edd 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. Hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a \u0111\u0129a piezo gi\u00fap ch\u00fang ta khai th\u00e1c t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u0110\u0129a g\u1ed1m \u00e1p \u0111i\u1ec7n, hay c\u00f2n g\u1ecdi l\u00e0 \u0111\u0129a piezo, l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \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. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. S\u1ef1 k\u1ef3 di\u1ec7u c\u1ee7a nh\u1eefng chi\u1ebfc \u0111\u0129a nh\u1ecf b\u00e9 n\u00e0y n\u1eb1m<\/p>\n","protected":false},"author":1,"featured_media":23758,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51140","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\/51140","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=51140"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51140\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/23758"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}