{"id":43032,"date":"2024-11-21T15:28:25","date_gmt":"2024-11-21T20:28:25","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/matching-impedance-for-maximum-power-transfer-in-piezoelectric-transducers\/"},"modified":"2025-01-21T07:25:29","modified_gmt":"2025-01-21T12:25:29","slug":"matching-impedance-for-maximum-power-transfer-in-piezoelectric-transducers","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/matching-impedance-for-maximum-power-transfer-in-piezoelectric-transducers\/","title":{"rendered":"Kh\u1edbp Tr\u1edf kh\u00e1ng T\u1ed1i \u01afu cho B\u1ed9 Chuy\u1ec3n \u0110\u1ed9ng \u0110i\u1ec7n \u00c1p"},"content":{"rendered":"<p>Vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n<h3>Kh\u00e1i ni\u1ec7m v\u1ec1 Ph\u1ed1i h\u1ee3p Tr\u1edf kh\u00e1ng<\/h3>\n<p>Ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng l\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m cho tr\u1edf kh\u00e1ng c\u1ee7a ngu\u1ed3n (v\u00ed d\u1ee5 nh\u01b0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i) b\u1eb1ng v\u1edbi tr\u1edf kh\u00e1ng c\u1ee7a t\u1ea3i (v\u00ed d\u1ee5 nh\u01b0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n). Khi tr\u1edf kh\u00e1ng ngu\u1ed3n v\u00e0 tr\u1edf kh\u00e1ng t\u1ea3i b\u1eb1ng nhau, c\u00f4ng su\u1ea5t truy\u1ec1n t\u1ea3i t\u1eeb ngu\u1ed3n \u0111\u1ebfn t\u1ea3i \u0111\u1ea1t m\u1ee9c t\u1ed1i \u0111a.  \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao, nh\u01b0 si\u00eau \u00e2m y t\u1ebf, ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u b\u1eb1ng si\u00eau \u00e2m.<\/p>\n<h3>Tr\u1edf kh\u00e1ng c\u1ee7a B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i \u00c1p \u0110i\u1ec7n<\/h3>\n<p>Tr\u1edf kh\u00e1ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p, bao g\u1ed3m c\u1ea3 ph\u1ea7n \u0111i\u1ec7n tr\u1edf v\u00e0 ph\u1ea7n \u0111i\u1ec7n kh\u00e1ng. Ph\u1ea7n \u0111i\u1ec7n kh\u00e1ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c tr\u1edf kh\u00e1ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng.<\/p>\n<h3>C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Ph\u1ed1i H\u1ee3p Tr\u1edf kh\u00e1ng<\/h3>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng cho b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n, bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>S\u1eed d\u1ee5ng bi\u1ebfn \u00e1p ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng:<\/strong> Bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i tr\u1edf kh\u00e1ng c\u1ee7a ngu\u1ed3n th\u00e0nh tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ea1ch ph\u1ed1i h\u1ee3p LC:<\/strong> M\u1ea1ch LC, bao g\u1ed3m cu\u1ed9n c\u1ea3m (L) v\u00e0 t\u1ee5 \u0111i\u1ec7n (C), c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng \u1edf m\u1ed9t t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<li>\n<p><strong>M\u1ea1ng l\u01b0\u1edbi ph\u1ed1i h\u1ee3p:<\/strong> Trong tr\u01b0\u1eddng h\u1ee3p ph\u1ee9c t\u1ea1p h\u01a1n, m\u1ea1ng l\u01b0\u1edbi ph\u1ed1i h\u1ee3p bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n L v\u00e0 C c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng tr\u00ean m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng h\u01a1n.<\/p>\n<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bi\u1ebfn \u00e1p<\/td>\n<td>\u0110\u01a1n gi\u1ea3n, hi\u1ec7u qu\u1ea3<\/td>\n<td>K\u00edch th\u01b0\u1edbc l\u1edbn, gi\u1edbi h\u1ea1n t\u1ea7n s\u1ed1<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea1ch LC<\/td>\n<td>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn<\/td>\n<td>Ph\u1ed1i h\u1ee3p \u1edf t\u1ea7n s\u1ed1 h\u1eb9p<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea1ng l\u01b0\u1edbi ph\u1ed1i h\u1ee3p<\/td>\n<td>Ph\u1ed1i h\u1ee3p \u1edf d\u1ea3i t\u1ea7n r\u1ed9ng<\/td>\n<td>Thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng d\u1ee5ng trong Si\u00eau \u00c2m<\/h3>\n<p>Trong c\u00e1c \u1ee9ng d\u1ee5ng si\u00eau \u00e2m, vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. V\u00ed d\u1ee5, trong c\u00e1c h\u1ec7 th\u1ed1ng si\u00eau \u00e2m y t\u1ebf, vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng gi\u00fap t\u1ed1i \u0111a h\u00f3a n\u0103ng l\u01b0\u1ee3ng truy\u1ec1n v\u00e0o m\u00f4, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh v\u00e0 gi\u1ea3m thi\u1ec3u nhi\u1ec5u. N\u1ebfu c\u1ea7n m\u1ed9t v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 \u1ee9ng d\u1ee5ng si\u00eau \u00e2m, thi\u1ebft b\u1ecb c\u1ee7a Beijing Ultrasonic th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 y t\u1ebf nh\u1edd kh\u1ea3 n\u0103ng ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng hi\u1ec7u qu\u1ea3.<\/p>\n<h3>\u1ea2nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c Kh\u00f4ng Ph\u1ed1i H\u1ee3p Tr\u1edf kh\u00e1ng<\/h3>\n<p>Vi\u1ec7c kh\u00f4ng ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Gi\u1ea3m hi\u1ec7u su\u1ea5t:<\/strong>  C\u00f4ng su\u1ea5t truy\u1ec1n t\u1ea3i \u0111\u1ebfn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i s\u1ebd gi\u1ea3m, d\u1eabn \u0111\u1ebfn t\u00edn hi\u1ec7u y\u1ebfu.<\/li>\n<li><strong>T\u0103ng ph\u1ea3n x\u1ea1:<\/strong>  S\u00f3ng \u00e2m s\u1ebd b\u1ecb ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i ngu\u1ed3n, g\u00e2y ra nhi\u1ec5u v\u00e0 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.<\/li>\n<li><strong>T\u1ed5n hao n\u0103ng l\u01b0\u1ee3ng:<\/strong>  N\u0103ng l\u01b0\u1ee3ng b\u1ecb m\u1ea5t do ph\u1ea3n x\u1ea1 v\u00e0 nhi\u1ec7t.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng, bao g\u1ed3m t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng, d\u1ea3i t\u1ea7n s\u1ed1 v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, ch\u00fang ta c\u00f3 th\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 mong mu\u1ed1n trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u00e1p \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ph\u1ed1i h\u1ee3p tr\u1edf kh\u00e1ng trong<\/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-43032","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\/43032","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=43032"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/43032\/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=43032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=43032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=43032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}