{"id":53929,"date":"2022-09-06T19:53:54","date_gmt":"2022-09-07T00:53:54","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/is-there-any-truth-to-piezo-transducers-being-used-as-static-and-dynamic-force-sensors\/"},"modified":"2025-01-21T07:25:18","modified_gmt":"2025-01-21T12:25:18","slug":"is-there-any-truth-to-piezo-transducers-being-used-as-static-and-dynamic-force-sensors","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/is-there-any-truth-to-piezo-transducers-being-used-as-static-and-dynamic-force-sensors\/","title":{"rendered":"\u0110\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n: C\u1ea3m bi\u1ebfn l\u1ef1c t\u0129nh v\u00e0 \u0111\u1ed9ng?"},"content":{"rendered":"<p>Piezo transducer, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u 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, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u1ee9ng d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t \u00e2m thanh. Tuy nhi\u00ean, \u00edt ai bi\u1ebft r\u1eb1ng ch\u00fang c\u0169ng c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c \u0111o l\u01b0\u1eddng l\u1ef1c, c\u1ea3 t\u0129nh v\u00e0 \u0111\u1ed9ng. V\u1eady li\u1ec7u c\u00f3 c\u01a1 s\u1edf n\u00e0o cho vi\u1ec7c s\u1eed d\u1ee5ng piezo transducer l\u00e0m c\u1ea3m bi\u1ebfn l\u1ef1c hay kh\u00f4ng? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng n\u00e0y, \u0111\u1ed3ng th\u1eddi \u0111\u00e1nh gi\u00e1 nh\u1eefng \u01b0u \u0111i\u1ec3m, h\u1ea1n ch\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Piezo transducer trong \u0111o l\u01b0\u1eddng l\u1ef1c<\/h3>\n<p>Piezo transducer ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Khi m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u piezo, n\u00f3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n t\u00edch t\u1ef7 l\u1ec7 v\u1edbi l\u1ef1c t\u00e1c d\u1ee5ng. \u0110i\u1ec7n t\u00edch n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p, cho ph\u00e9p \u0111o l\u01b0\u1eddng l\u1ef1c t\u00e1c \u0111\u1ed9ng.  \u0110\u1ed1i v\u1edbi l\u1ef1c t\u0129nh, \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c t\u1ea1o ra s\u1ebd duy tr\u00ec \u1ed5n \u0111\u1ecbnh, trong khi v\u1edbi l\u1ef1c \u0111\u1ed9ng, \u0111i\u1ec7n t\u00edch thay \u0111\u1ed5i theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a l\u1ef1c.<\/p>\n<h3>\u0110o l\u01b0\u1eddng l\u1ef1c t\u0129nh b\u1eb1ng Piezo transducer<\/h3>\n<p>M\u1eb7c d\u00f9 piezo transducer c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n t\u00edch khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c t\u0129nh, vi\u1ec7c \u0111o l\u01b0\u1eddng l\u1ef1c t\u0129nh l\u1ea1i g\u1eb7p m\u1ed9t s\u1ed1 kh\u00f3 kh\u0103n. \u0110i\u1ec7n t\u00edch t\u1ea1o ra b\u1edfi l\u1ef1c t\u0129nh s\u1ebd d\u1ea7n d\u1ea7n b\u1ecb r\u00f2 r\u1ec9 do \u0111i\u1ec7n tr\u1edf n\u1ed9i b\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn sai s\u1ed1 \u0111o, \u0111\u1eb7c bi\u1ec7t trong th\u1eddi gian d\u00e0i. Do \u0111\u00f3, piezo transducer th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u1ef1c t\u0129nh m\u1ed9t c\u00e1ch tr\u1ef1c ti\u1ebfp. Tuy nhi\u00ean, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u00e1n ti\u1ebfp trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111o l\u1ef1c t\u0129nh b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 b\u00f9 \u0111\u1eafp s\u1ef1 r\u00f2 r\u1ec9 \u0111i\u1ec7n t\u00edch.<\/p>\n<h3>\u0110o l\u01b0\u1eddng l\u1ef1c \u0111\u1ed9ng b\u1eb1ng Piezo transducer<\/h3>\n<p>Piezo transducer t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec7c \u0111o l\u01b0\u1eddng l\u1ef1c \u0111\u1ed9ng. Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng nhanh v\u00e0 \u0111\u1ed9 nh\u1ea1y cao cho ph\u00e9p ch\u00fang \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c c\u00e1c l\u1ef1c thay \u0111\u1ed5i nhanh ch\u00f3ng.  \u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u0111o l\u1ef1c va ch\u1ea1m, rung \u0111\u1ed9ng, \u00e1p su\u1ea5t trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1, m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/p>\n<h3>So s\u00e1nh gi\u1eefa Piezo transducer v\u00e0 c\u00e1c lo\u1ea1i c\u1ea3m bi\u1ebfn l\u1ef1c kh\u00e1c<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>Piezo Transducer<\/th>\n<th>Strain Gauge<\/th>\n<th>Load Cell<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1ea3i t\u1ea7n s\u1ed1<\/td>\n<td>R\u1ed9ng<\/td>\n<td>H\u1eb9p<\/td>\n<td>H\u1eb9p<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>Nh\u1ecf<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>L\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>\u0110o l\u1ef1c t\u0129nh<\/td>\n<td>Kh\u00f3 kh\u0103n<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<td>D\u1ec5 d\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td>\u0110o l\u1ef1c \u0111\u1ed9ng<\/td>\n<td>Xu\u1ea5t s\u1eafc<\/td>\n<td>Kh\u00e1 t\u1ed1t<\/td>\n<td>Kh\u00e1 t\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 th\u00e0nh<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a Piezo transducer trong \u0111o l\u01b0\u1eddng l\u1ef1c<\/h3>\n<p>Piezo transducer \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf \u0111\u1ebfn c\u00f4ng nghi\u1ec7p.  M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110o \u00e1p su\u1ea5t trong \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong.<\/li>\n<li>\u0110o l\u1ef1c va ch\u1ea1m trong c\u00e1c th\u1eed nghi\u1ec7m an to\u00e0n.<\/li>\n<li>\u0110o rung \u0111\u1ed9ng trong m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/li>\n<li>C\u1ea3m bi\u1ebfn gia t\u1ed1c trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p>T\u00f3m l\u1ea1i, piezo transducer c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o c\u1ea3 l\u1ef1c t\u0129nh v\u00e0 \u0111\u1ed9ng, tuy nhi\u00ean vi\u1ec7c \u0111o l\u1ef1c t\u0129nh g\u1eb7p m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf.  S\u1ee9c m\u1ea1nh c\u1ee7a piezo transducer n\u1eb1m \u1edf kh\u1ea3 n\u0103ng \u0111o l\u01b0\u1eddng l\u1ef1c \u0111\u1ed9ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 nh\u1ea1y cao.  V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, vi\u1ec7c kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng c\u1ee7a piezo transducer trong \u0111o l\u01b0\u1eddng l\u1ef1c \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezo transducer, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u 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, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u1ee9ng d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t \u00e2m thanh. Tuy nhi\u00ean, \u00edt ai bi\u1ebft r\u1eb1ng ch\u00fang c\u0169ng c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c \u0111o l\u01b0\u1eddng l\u1ef1c, c\u1ea3 t\u0129nh<\/p>\n","protected":false},"author":1,"featured_media":23744,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-53929","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\/53929","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=53929"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/53929\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/23744"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=53929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=53929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=53929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}