{"id":48908,"date":"2023-04-21T22:53:09","date_gmt":"2023-04-22T03:53:09","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-a-pressure-transducer\/"},"modified":"2025-01-21T07:17:20","modified_gmt":"2025-01-21T12:17:20","slug":"how-to-make-a-pressure-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-a-pressure-transducer\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t"},"content":{"rendered":"

Vi\u1ec7c ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t, m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 khoa h\u1ecdc, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t c\u01a1 b\u1ea3n, t\u1eadp trung v\u00e0o c\u00e1c b\u01b0\u1edbc quan tr\u1ecdng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n l\u01b0u \u00fd.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/h3>\n

C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc bi\u1ebfn \u0111\u1ed5i \u00e1p su\u1ea5t th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n. \u00c1p su\u1ea5t t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ed9t ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn, g\u00e2y ra s\u1ef1 bi\u1ebfn d\u1ea1ng ho\u1eb7c thay \u0111\u1ed5i t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a ph\u1ea7n t\u1eed n\u00e0y. S\u1ef1 thay \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n, th\u01b0\u1eddng l\u00e0 \u0111i\u1ec7n tr\u1edf, \u0111i\u1ec7n dung ho\u1eb7c \u0111i\u1ec7n \u00e1p, t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u00e1p su\u1ea5t t\u00e1c \u0111\u1ed9ng.<\/p>\n

L\u1ef1a ch\u1ecdn lo\u1ea1i c\u1ea3m bi\u1ebfn<\/h3>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i c\u1ea3m bi\u1ebfn ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, d\u1ea3i \u0111o \u00e1p su\u1ea5t, \u0111\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. M\u1ed9t s\u1ed1 lo\u1ea1i c\u1ea3m bi\u1ebfn ph\u1ed5 bi\u1ebfn bao g\u1ed3m: c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111i\u1ec7n tr\u1edf, c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111i\u1ec7n dung, c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u00e1p \u0111i\u1ec7n.<\/p>\n\n\n\n\n\n\n\n
Lo\u1ea1i c\u1ea3m bi\u1ebfn<\/th>\n\u01afu \u0111i\u1ec3m<\/th>\nNh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n
\u0110i\u1ec7n tr\u1edf<\/td>\nGi\u00e1 th\u00e0nh th\u1ea5p, d\u1ec5 s\u1eed d\u1ee5ng<\/td>\n\u0110\u1ed9 ch\u00ednh x\u00e1c h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n
\u0110i\u1ec7n dung<\/td>\n\u0110\u1ed9 nh\u1ea1y cao<\/td>\nD\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9<\/td>\n<\/tr>\n
\u00c1p \u0111i\u1ec7n<\/td>\n\u0110\u00e1p \u1ee9ng nhanh<\/td>\nGi\u00e1 th\u00e0nh cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u1ebf t\u1ea1o ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn<\/h3>\n

Ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111i\u1ec7n tr\u1edf, ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t m\u00e0ng m\u1ecfng \u0111\u01b0\u1ee3c g\u1eafn strain gauge. Khi \u00e1p su\u1ea5t t\u00e1c \u0111\u1ed9ng l\u00ean m\u00e0ng, strain gauge s\u1ebd bi\u1ebfn d\u1ea1ng, l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00f3. Vi\u1ec7c ch\u1ebf t\u1ea1o ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c v\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p.<\/p>\n

Thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u<\/h3>\n

T\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn th\u01b0\u1eddng r\u1ea5t nh\u1ecf v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i v\u00e0 \u0111i\u1ec1u h\u00f2a tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. M\u1ea1ch \u0111i\u1ec1u h\u00f2a t\u00edn hi\u1ec7u c\u00f3 nhi\u1ec7m v\u1ee5 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u, l\u1ecdc nhi\u1ec5u v\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u sang d\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng x\u1eed l\u00fd.<\/p>\n

Hi\u1ec7u chu\u1ea9n c\u1ea3m bi\u1ebfn<\/h3>\n

Sau khi ho\u00e0n th\u00e0nh vi\u1ec7c ch\u1ebf t\u1ea1o, c\u1ea3m bi\u1ebfn c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c. Qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c \u00e1p su\u1ea5t \u0111\u00e3 bi\u1ebft l\u00ean c\u1ea3m bi\u1ebfn v\u00e0 ghi l\u1ea1i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u01b0\u01a1ng \u1ee9ng. T\u1eeb \u0111\u00f3, ta c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 gi\u1eefa \u00e1p su\u1ea5t v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n, cho ph\u00e9p c\u1ea3m bi\u1ebfn \u0111o \u00e1p su\u1ea5t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n

Ki\u1ec3m tra v\u00e0 \u0111\u00f3ng g\u00f3i<\/h3>\n

Sau khi hi\u1ec7u chu\u1ea9n, c\u1ea3m bi\u1ebfn c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady. Cu\u1ed1i c\u00f9ng, c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/p>\n

T\u00f3m l\u1ea1i, vi\u1ec7c ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa ki\u1ebfn th\u1ee9c v\u1ec1 v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o v\u00e0 \u0111i\u1ec7n t\u1eed. M\u1ed7i b\u01b0\u1edbc trong quy tr\u00ecnh \u0111\u1ec1u quan tr\u1ecdng v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u1ea3m bi\u1ebfn. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 quy tr\u00ecnh ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t v\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 b\u1ea1n t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 l\u0129nh v\u1ef1c n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t, m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 khoa h\u1ecdc, \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t c\u01a1 b\u1ea3n,<\/p>\n","protected":false},"author":1,"featured_media":26937,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-48908","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\/48908","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=48908"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/48908\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26937"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=48908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=48908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=48908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}