{"id":43940,"date":"2023-04-25T16:41:58","date_gmt":"2023-04-25T21:41:58","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-does-a-transducer-look-like\/"},"modified":"2025-01-21T07:27:31","modified_gmt":"2025-01-21T12:27:31","slug":"what-does-a-transducer-look-like","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/what-does-a-transducer-look-like\/","title":{"rendered":"Kh\u00e1m Ph\u00e1 H\u00ecnh D\u00e1ng C\u1ee7a B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i"},"content":{"rendered":"

C\u1ea3m bi\u1ebfn, hay c\u00f2n g\u1ecdi l\u00e0 transducer, l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf \u0111\u1ebfn c\u00f4ng nghi\u1ec7p. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng sang m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c. V\u1eady c\u1ee5 th\u1ec3 m\u1ed9t c\u1ea3m bi\u1ebfn tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o? C\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n v\u00ec h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u1ea3m bi\u1ebfn ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u00e0 ch\u00fang chuy\u1ec3n \u0111\u1ed5i.<\/p>\n

C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/h3>\n

C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t th\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh tr\u1ee5 ho\u1eb7c kh\u1ed1i h\u1ed9p nh\u1ecf. B\u00ean trong ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m v\u1edbi \u00e1p su\u1ea5t, v\u00ed d\u1ee5 nh\u01b0 m\u00e0ng ch\u1eafn ho\u1eb7c strain gauge. M\u1ed9t s\u1ed1 c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u1ed5ng k\u1ebft n\u1ed1i \u0111\u1ec3 g\u1eafn v\u00e0o h\u1ec7 th\u1ed1ng, trong khi nh\u1eefng lo\u1ea1i kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o thi\u1ebft b\u1ecb.<\/p>\n

C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9<\/h3>\n

C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau, t\u1eeb d\u1ea1ng que nh\u1ecf g\u1ecdn cho \u0111\u1ebfn d\u1ea1ng d\u00e2y d\u00e0i. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9 nh\u01b0 thermocouple ho\u1eb7c thermistor. M\u1ed9t s\u1ed1 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u00f3 v\u1ecf b\u1ecdc b\u1ea3o v\u1ec7 \u0111\u1ec3 ch\u1ed1ng l\u1ea1i m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n

C\u1ea3m bi\u1ebfn si\u00eau \u00e2m<\/h3>\n

C\u1ea3m bi\u1ebfn si\u00eau \u00e2m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 \u0111o kho\u1ea3ng c\u00e1ch, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 h\u00ecnh \u1ea3nh y t\u1ebf. Ch\u00fang th\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh tr\u1ee5 ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt, v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eed g\u1ed1m \u00e1p \u0111i\u1ec7n b\u00ean trong. K\u00edch th\u01b0\u1edbc c\u1ee7a c\u1ea3m bi\u1ebfn si\u00eau \u00e2m c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. N\u1ebfu c\u1ea7n m\u1ed9t v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 m\u1ed9t h\u00e3ng s\u1ea3n xu\u1ea5t, c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn Beijing Ultrasonic, tuy nhi\u00ean c\u1ea7n l\u01b0u \u00fd r\u1eb1ng h\u00ecnh d\u00e1ng c\u1ea3m bi\u1ebfn si\u00eau \u00e2m nh\u00ecn chung kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

C\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng<\/h3>\n

C\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng, bao g\u1ed3m photodiode v\u00e0 phototransistor, th\u01b0\u1eddng c\u00f3 d\u1ea1ng nh\u1ecf g\u1ecdn v\u00e0 \u0111\u01b0\u1ee3c b\u1ecdc trong v\u1ecf nh\u1ef1a trong ho\u1eb7c m\u1edd. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 nh\u1eadn bi\u1ebft c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/p>\n

So s\u00e1nh c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn<\/h3>\n\n\n\n\n\n\n\n\n
Lo\u1ea1i c\u1ea3m bi\u1ebfn<\/th>\nH\u00ecnh d\u1ea1ng ph\u1ed5 bi\u1ebfn<\/th>\nK\u00edch th\u01b0\u1edbc<\/th>\nV\u1eadt li\u1ec7u<\/th>\n<\/tr>\n<\/thead>\n
\u00c1p su\u1ea5t<\/td>\nH\u00ecnh tr\u1ee5, kh\u1ed1i h\u1ed9p<\/td>\nNh\u1ecf \u0111\u1ebfn trung b\u00ecnh<\/td>\nKim lo\u1ea1i, g\u1ed1m<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9<\/td>\nQue, d\u00e2y<\/td>\nNh\u1ecf \u0111\u1ebfn d\u00e0i<\/td>\nKim lo\u1ea1i, b\u00e1n d\u1eabn<\/td>\n<\/tr>\n
Si\u00eau \u00e2m<\/td>\nH\u00ecnh tr\u1ee5, h\u00ecnh ch\u1eef nh\u1eadt<\/td>\nNh\u1ecf \u0111\u1ebfn trung b\u00ecnh<\/td>\nG\u1ed1m \u00e1p \u0111i\u1ec7n<\/td>\n<\/tr>\n
\u00c1nh s\u00e1ng<\/td>\nH\u00ecnh tr\u00f2n, h\u00ecnh vu\u00f4ng<\/td>\nNh\u1ecf<\/td>\nB\u00e1n d\u1eabn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u01b0 v\u1eady, h\u00ecnh d\u00e1ng c\u1ee7a m\u1ed9t c\u1ea3m bi\u1ebfn r\u1ea5t \u0111a d\u1ea1ng v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3. T\u1eeb nh\u1eefng c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t nh\u1ecf g\u1ecdn \u0111\u1ebfn nh\u1eefng c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 d\u1ea1ng d\u00e2y d\u00e0i, m\u1ed7i lo\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 h\u00ecnh d\u00e1ng v\u00e0 c\u1ea5u t\u1ea1o c\u1ee7a c\u1ea3m bi\u1ebfn gi\u00fap cho vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng ch\u00fang tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u1ea3m bi\u1ebfn, hay c\u00f2n g\u1ecdi l\u00e0 transducer, l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf \u0111\u1ebfn c\u00f4ng nghi\u1ec7p. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng sang m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c. V\u1eady c\u1ee5 th\u1ec3 m\u1ed9t c\u1ea3m bi\u1ebfn tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o? C\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng h\u1ec1 \u0111\u01a1n<\/p>\n","protected":false},"author":1,"featured_media":26481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-43940","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\/43940","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=43940"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/43940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26481"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=43940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=43940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=43940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}