{"id":62866,"date":"2022-09-21T07:51:45","date_gmt":"2022-09-21T12:51:45","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element\/"},"modified":"2025-01-27T06:17:41","modified_gmt":"2025-01-27T11:17:41","slug":"what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element\/","title":{"rendered":"V\u00fdkon piezoelektrick\u00fdch bender\u016f: Typick\u00e9 hodnoty"},"content":{"rendered":"<p>Piezoelektrick\u00e9 bender elementy jsou miniaturn\u00ed p\u0159evodn\u00edky, kter\u00e9 dok\u00e1\u017e\u00ed mechanickou energii p\u0159em\u011bnit na energii elektrickou a naopak.  Mno\u017estv\u00ed elektrick\u00e9 energie, kter\u00e9 lze z piezo bender elementu extrahovat, je v\u0161ak zna\u010dn\u011b prom\u011bnliv\u00e9 a z\u00e1vis\u00ed na mnoha faktorech.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na typick\u00e9 hodnoty a vlivy, kter\u00e9 tento v\u00fdstup ovliv\u0148uj\u00ed.<\/p>\n<p>Velikost a tvar elementu<\/p>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00edm faktorem ovliv\u0148uj\u00edc\u00edm v\u00fdstupn\u00ed v\u00fdkon je velikost a tvar piezo bender elementu.  V\u011bt\u0161\u00ed elementy s v\u011bt\u0161\u00ed plochou a tlou\u0161\u0165kou obecn\u011b generuj\u00ed v\u011bt\u0161\u00ed mno\u017estv\u00ed energie.  Tvar tak\u00e9 hraje roli; nap\u0159\u00edklad elementy s del\u0161\u00edmi rameny mohou produkovat vy\u0161\u0161\u00ed nap\u011bt\u00ed p\u0159i stejn\u00e9m mno\u017estv\u00ed deformace.  N\u00e1sleduj\u00edc\u00ed tabulka ukazuje p\u0159ibli\u017en\u00e9 hodnoty pro r\u016fzn\u00e9 velikosti element\u016f:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Velikost (mm)<\/th>\n<th>Typick\u00fd v\u00fdstupn\u00ed v\u00fdkon (\u00b5W)<\/th>\n<th>Typick\u00e9 v\u00fdstupn\u00ed nap\u011bt\u00ed (V)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>10 x 10 x 1<\/td>\n<td>1-5<\/td>\n<td>10-50<\/td>\n<\/tr>\n<tr>\n<td>20 x 20 x 1<\/td>\n<td>10-50<\/td>\n<td>50-250<\/td>\n<\/tr>\n<tr>\n<td>30 x 30 x 2<\/td>\n<td>50-200<\/td>\n<td>200-1000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Pozn\u00e1mka: Tyto hodnoty jsou pouze orienta\u010dn\u00ed a mohou se li\u0161it v z\u00e1vislosti na materi\u00e1lu, konstrukci a aplikovan\u00e9 s\u00edle.<\/em><\/p>\n<p>Materi\u00e1lov\u00fd slo\u017een\u00ed<\/p>\n<p>V\u00fdb\u011br materi\u00e1lu pro piezo bender element zna\u010dn\u011b ovliv\u0148uje jeho \u00fa\u010dinnost.  R\u016fzn\u00e9 piezoelektrick\u00e9 materi\u00e1ly vykazuj\u00ed rozd\u00edln\u00e9 piezoelektrick\u00e9 koeficienty, kter\u00e9 ur\u010duj\u00ed mno\u017estv\u00ed generovan\u00e9 n\u00e1boje p\u0159i dan\u00e9 deformaci.  Obecn\u011b plat\u00ed, \u017ee materi\u00e1ly s vy\u0161\u0161\u00edm piezoelektrick\u00fdm koeficientem generuj\u00ed v\u011bt\u0161\u00ed mno\u017estv\u00ed energie.  P\u0159esn\u00e9 hodnoty z\u00e1vis\u00ed na specifick\u00e9m materi\u00e1lu a jeho vlastnostech.<\/p>\n<p>Aplikovan\u00e1 s\u00edla a frekvence<\/p>\n<p>Mno\u017estv\u00ed extrahovan\u00e9 energie je p\u0159\u00edmo \u00fam\u011brn\u00e9 aplikovan\u00e9 s\u00edle a frekvenci vibrac\u00ed.  Siln\u011bj\u0161\u00ed s\u00edla a vy\u0161\u0161\u00ed frekvence vedou k v\u011bt\u0161\u00edmu v\u00fdstupn\u00edmu v\u00fdkonu.  Nicm\u00e9n\u011b, p\u0159ekro\u010den\u00ed ur\u010dit\u00fdch mezn\u00edch hodnot m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed elementu.  Optimalizace aplikovan\u00e9 s\u00edly a frekvence je proto kl\u00ed\u010dov\u00e1 pro dosa\u017een\u00ed maxim\u00e1ln\u00edho v\u00fdstupn\u00edho v\u00fdkonu bez rizika po\u0161kozen\u00ed.<\/p>\n<p>Zp\u016fsob extrakce energie<\/p>\n<p>Zp\u016fsob extrakce energie z piezo bender elementu tak\u00e9 ovliv\u0148uje kone\u010dn\u00fd v\u00fdstupn\u00ed v\u00fdkon.  Optim\u00e1ln\u00ed zapojen\u00ed obvodu, v\u010detn\u011b spr\u00e1vn\u00e9ho v\u00fdb\u011bru z\u00e1t\u011b\u017ee, hraje d\u016fle\u017eitou roli.  Nespr\u00e1vn\u00e9 zapojen\u00ed m\u016f\u017ee v\u00e9st ke ztr\u00e1t\u00e1m energie a sn\u00ed\u017een\u00ed \u00fa\u010dinnosti.<\/p>\n<p>Z\u00e1v\u011br<\/p>\n<p>Typick\u00fd v\u00fdstupn\u00ed v\u00fdkon piezo bender elementu se zna\u010dn\u011b li\u0161\u00ed v z\u00e1vislosti na mnoha faktorech, v\u010detn\u011b velikosti, materi\u00e1lu, aplikovan\u00e9 s\u00edly a zp\u016fsobu extrakce energie.  I kdy\u017e je obt\u00ed\u017en\u00e9 uv\u00e9st p\u0159esnou univerz\u00e1ln\u00ed hodnotu, tento \u010dl\u00e1nek poskytl p\u0159ehled kl\u00ed\u010dov\u00fdch vliv\u016f a uk\u00e1zal, \u017ee pro dosa\u017een\u00ed optim\u00e1ln\u00edho v\u00fdkonu je nezbytn\u00e9 pe\u010dliv\u011b zv\u00e1\u017eit v\u0161echny tyto faktory.  Dal\u0161\u00ed v\u00fdzkum a optimalizace designu piezoelektrick\u00fdch prvk\u016f by mohly v\u00e9st k efektivn\u011bj\u0161\u00edmu vyu\u017eit\u00ed t\u00e9to technologie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezoelektrick\u00e9 bender elementy jsou miniaturn\u00ed p\u0159evodn\u00edky, kter\u00e9 dok\u00e1\u017e\u00ed mechanickou energii p\u0159em\u011bnit na energii elektrickou a naopak. Mno\u017estv\u00ed elektrick\u00e9 energie, kter\u00e9 lze z piezo bender elementu extrahovat, je v\u0161ak zna\u010dn\u011b prom\u011bnliv\u00e9 a z\u00e1vis\u00ed na mnoha faktorech. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na typick\u00e9 hodnoty a vlivy, kter\u00e9 tento v\u00fdstup ovliv\u0148uj\u00ed. Velikost a tvar elementu Nejd\u016fle\u017eit\u011bj\u0161\u00edm faktorem ovliv\u0148uj\u00edc\u00edm<\/p>\n","protected":false},"author":1,"featured_media":5008,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-62866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=62866"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/5008"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=62866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=62866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=62866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}