{"id":46996,"date":"2023-04-22T00:46:30","date_gmt":"2023-04-22T05:46:30","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-test-piezoelectric-transducer\/"},"modified":"2025-01-21T07:21:57","modified_gmt":"2025-01-21T12:21:57","slug":"how-to-test-piezoelectric-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-test-piezoelectric-transducer\/","title":{"rendered":"Ki\u1ec3m tra hi\u1ec7u n\u0103ng \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"

Vi\u1ec7c ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ee7a \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb c\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u1ebfn thi\u1ebft b\u1ecb thu n\u0103ng l\u01b0\u1ee3ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ki\u1ec3m tra \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n, bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra c\u01a1 b\u1ea3n v\u00e0 n\u00e2ng cao.<\/p>\n

Ki\u1ec3m tra T\u1ea7n s\u1ed1 C\u1ed9ng h\u01b0\u1edfng<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u00e1y ph\u00e2n t\u00edch tr\u1edf kh\u00e1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a \u0111\u1ea7u d\u00f2. B\u1eb1ng c\u00e1ch qu\u00e9t m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 v\u00e0 \u0111o tr\u1edf kh\u00e1ng, ta c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y t\u1ea7n s\u1ed1 m\u00e0 t\u1ea1i \u0111\u00f3 tr\u1edf kh\u00e1ng \u0111\u1ea1t gi\u00e1 tr\u1ecb c\u1ef1c ti\u1ec3u ho\u1eb7c c\u1ef1c \u0111\u1ea1i, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i \u0111\u1ea7u d\u00f2. T\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng n\u00e0y l\u00e0 t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n

Ki\u1ec3m tra \u0110i\u1ec7n dung<\/h3>\n

\u0110i\u1ec7n dung c\u1ee7a \u0111\u1ea7u d\u00f2 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y \u0111o LCR. Gi\u00e1 tr\u1ecb \u0111i\u1ec7n dung n\u00e0y cho bi\u1ebft kh\u1ea3 n\u0103ng t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n

Ki\u1ec3m tra D\u00f2ng R\u00f2<\/h3>\n

D\u00f2ng r\u00f2 l\u00e0 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u0111\u1ea7u d\u00f2 khi kh\u00f4ng c\u00f3 \u00e1p l\u1ef1c t\u00e1c \u0111\u1ed9ng. D\u00f2ng r\u00f2 cao c\u00f3 th\u1ec3 ch\u1ec9 ra s\u1ef1 h\u01b0 h\u1ecfng c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n. Ki\u1ec3m tra d\u00f2ng r\u00f2 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u00e1p m\u1ed9t \u0111i\u1ec7n \u00e1p DC v\u00e0 \u0111o d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u0111\u1ea7u d\u00f2.<\/p>\n

Ki\u1ec3m tra Hi\u1ec7u n\u0103ng Si\u00eau \u00e2m (\u0110\u1ed1i v\u1edbi \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m)<\/h3>\n

\u0110\u1ed1i v\u1edbi \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, vi\u1ec7c ki\u1ec3m tra hi\u1ec7u n\u0103ng bao g\u1ed3m vi\u1ec7c \u0111o \u0111\u1ed9 nh\u1ea1y, \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 g\u00f3c ch\u00f9m tia. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u1ed1i hi\u1ec7u chu\u1ea9n ho\u1eb7c v\u1eadt li\u1ec7u tham chi\u1ebfu \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o n\u00e0y. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i so s\u00e1nh hi\u1ec7u n\u0103ng v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c tr\u00ean th\u1ecb tr\u01b0\u1eddng, c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Beijing Ultrasonic \u0111\u1ec3 l\u00e0m chu\u1ea9n.<\/p>\n\n\n\n\n\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p Ki\u1ec3m tra<\/th>\nThi\u1ebft b\u1ecb<\/th>\nTh\u00f4ng s\u1ed1 \u0110o<\/th>\n<\/tr>\n<\/thead>\n
T\u1ea7n s\u1ed1 C\u1ed9ng h\u01b0\u1edfng<\/td>\nM\u00e1y ph\u00e2n t\u00edch tr\u1edf kh\u00e1ng<\/td>\nT\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng<\/td>\n<\/tr>\n
\u0110i\u1ec7n dung<\/td>\nM\u00e1y \u0111o LCR<\/td>\n\u0110i\u1ec7n dung<\/td>\n<\/tr>\n
D\u00f2ng R\u00f2<\/td>\nNgu\u1ed3n \u0111i\u1ec7n DC, Ampe k\u1ebf<\/td>\nD\u00f2ng r\u00f2<\/td>\n<\/tr>\n
Hi\u1ec7u n\u0103ng Si\u00eau \u00e2m<\/td>\nKh\u1ed1i hi\u1ec7u chu\u1ea9n, M\u00e1y hi\u1ec7n s\u00f3ng<\/td>\n\u0110\u1ed9 nh\u1ea1y, \u0111\u1ed9 ph\u00e2n gi\u1ea3i, g\u00f3c ch\u00f9m tia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ki\u1ec3m tra \u0110\u1ed9 b\u1ec1n C\u01a1 h\u1ecdc<\/h3>\n

Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a \u0111\u1ea7u d\u00f2 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ho\u1eb7c rung \u0111\u1ed9ng. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n

Vi\u1ec7c ki\u1ec3m tra \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ph\u00f9 h\u1ee3p. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1ch \u0111\u00e1nh gi\u00e1 hi\u1ec7u n\u0103ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ee7a \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb c\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u1ebfn thi\u1ebft b\u1ecb thu n\u0103ng l\u01b0\u1ee3ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ki\u1ec3m tra \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n, bao<\/p>\n","protected":false},"author":1,"featured_media":19418,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-46996","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\/46996","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=46996"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/46996\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19418"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=46996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=46996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=46996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}