{"id":57901,"date":"2023-04-22T02:07:06","date_gmt":"2023-04-22T07:07:06","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/where-are-piezoelectric-sensors-used\/"},"modified":"2025-01-27T06:18:05","modified_gmt":"2025-01-27T11:18:05","slug":"where-are-piezoelectric-sensors-used","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/where-are-piezoelectric-sensors-used\/","title":{"rendered":"Piezoelektrick\u00e9 senzory: Vyu\u017eit\u00ed a aplikace"},"content":{"rendered":"<p>Piezoelektrick\u00e9 senzory nach\u00e1zej\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v nejr\u016fzn\u011bj\u0161\u00edch oblastech, od automobilov\u00e9ho pr\u016fmyslu a\u017e po medic\u00ednu.  Z\u00e1kladn\u00ed princip jejich fungov\u00e1n\u00ed spo\u010d\u00edv\u00e1 v p\u0159em\u011bn\u011b mechanick\u00e9 energie (tlaku, vibrac\u00ed, deformace) na energii elektrickou a naopak.  Tato vlastnost jim umo\u017e\u0148uje detekovat i velmi jemn\u00e9 pohyby a zm\u011bny tlaku, co\u017e otev\u00edr\u00e1 \u0161irok\u00e9 mo\u017enosti vyu\u017eit\u00ed.  V n\u00e1sleduj\u00edc\u00edm textu se bl\u00ed\u017ee pod\u00edv\u00e1me na n\u011bkter\u00e9 z kl\u00ed\u010dov\u00fdch oblast\u00ed, kde se s piezoelektrick\u00fdmi senzory setk\u00e1me.<\/p>\n<h3>Senzory v automobilov\u00e9m pr\u016fmyslu<\/h3>\n<p>V automobilov\u00e9m pr\u016fmyslu se piezoelektrick\u00e9 senzory vyu\u017e\u00edvaj\u00ed pro \u0161irokou \u0161k\u00e1lu aplikac\u00ed.  Nap\u0159\u00edklad detekce n\u00e1raz\u016f v airbagov\u00fdch syst\u00e9mech je jedn\u00edm z nejzn\u00e1m\u011bj\u0161\u00edch pou\u017eit\u00ed.  Senzory um\u00ed detekovat i velmi rychl\u00e9 a siln\u00e9 n\u00e1razy, co\u017e je kl\u00ed\u010dov\u00e9 pro aktivaci bezpe\u010dnostn\u00edch syst\u00e9m\u016f v kritick\u00fdch situac\u00edch. D\u00e1le se pou\u017e\u00edvaj\u00ed v syst\u00e9mech kontroly tlaku v pneumatik\u00e1ch (TPMS), kde precizn\u011b m\u011b\u0159\u00ed tlak vzduchu a varuj\u00ed \u0159idi\u010de p\u0159ed poklesem tlaku.  Dal\u0161\u00ed aplikace zahrnuj\u00ed monitorov\u00e1n\u00ed vibrac\u00ed motoru a p\u0159evodovky, co\u017e umo\u017e\u0148uje v\u010dasnou diagnostiku potenci\u00e1ln\u00edch probl\u00e9m\u016f a prevenci z\u00e1vad.<\/p>\n<h3>Piezoelektrick\u00e9 senzory v medic\u00edn\u011b<\/h3>\n<p>V l\u00e9ka\u0159stv\u00ed se piezoelektrick\u00e9 senzory uplat\u0148uj\u00ed v mnoha oblastech, od diagnostiky po terapii.  Ultrazvukov\u00e9 zobrazov\u00e1n\u00ed (sonografie) je z\u0159ejm\u011b nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed aplikac\u00ed.  Piezoelektrick\u00e9 krystaly v ultrazvukov\u00e9m sn\u00edma\u010di generuj\u00ed a p\u0159ij\u00edmaj\u00ed ultrazvukov\u00e9 vlny, kter\u00e9 se odr\u00e1\u017eej\u00ed od tk\u00e1n\u00ed a org\u00e1n\u016f.  Z anal\u00fdzy odra\u017een\u00fdch vln je pak mo\u017en\u00e9 vytvo\u0159it obraz vnit\u0159n\u00edch struktur t\u011bla.  Dal\u0161\u00ed aplikace zahrnuj\u00ed nap\u0159\u00edklad m\u011b\u0159en\u00ed krevn\u00edho tlaku, detekci srde\u010dn\u00edch zvuk\u016f a monitorov\u00e1n\u00ed pohybu t\u011bla.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Aplikace v medic\u00edn\u011b<\/th>\n<th>Typ senzoru<\/th>\n<th>V\u00fdhody<\/th>\n<th>Nev\u00fdhody<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ultrazvukov\u00e9 zobrazov\u00e1n\u00ed<\/td>\n<td>Vysokofrekven\u010dn\u00ed piezoelektrick\u00e9 krystaly<\/td>\n<td>Vysok\u00e9 rozli\u0161en\u00ed obrazu, neinvazivn\u00ed metoda<\/td>\n<td>Citlivost na pohyb pacienta<\/td>\n<\/tr>\n<tr>\n<td>M\u011b\u0159en\u00ed krevn\u00edho tlaku<\/td>\n<td>Miniaturn\u00ed piezoelektrick\u00e9 senzory<\/td>\n<td>P\u0159esn\u00e9 m\u011b\u0159en\u00ed, rychl\u00e1 odezva<\/td>\n<td>Mo\u017enost po\u0161kozen\u00ed senzoru<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Pr\u016fmyslov\u00e9 aplikace piezoelektrick\u00fdch senzor\u016f<\/h3>\n<p>V pr\u016fmyslu se piezoelektrick\u00e9 senzory vyu\u017e\u00edvaj\u00ed k m\u011b\u0159en\u00ed tlaku, s\u00edly, zrychlen\u00ed a vibrac\u00ed v nejr\u016fzn\u011bj\u0161\u00edch stroj\u00edch a za\u0159\u00edzen\u00edch.  Nap\u0159\u00edklad v automatizovan\u00fdch v\u00fdrobn\u00edch link\u00e1ch se senzory pou\u017e\u00edvaj\u00ed k monitorov\u00e1n\u00ed proces\u016f a detekci chyb.  V letectv\u00ed se pou\u017e\u00edvaj\u00ed pro m\u011b\u0159en\u00ed tlaku a vibrac\u00ed v letadlech.  D\u00e1le nach\u00e1zej\u00ed uplatn\u011bn\u00ed v oblasti stroj\u00edrenstv\u00ed pro monitorov\u00e1n\u00ed stavu stroj\u016f a prevenci poruch.<\/p>\n<h3>Piezoelektrick\u00e9 senzory v oblasti spot\u0159ebn\u00ed elektroniky<\/h3>\n<p>I v b\u011b\u017en\u00fdch spot\u0159ebn\u00edch za\u0159\u00edzen\u00edch se s piezoelektrick\u00fdmi senzory setk\u00e1v\u00e1me \u010dast\u011bji, ne\u017e si uv\u011bdomujeme.  Nap\u0159\u00edklad v n\u011bkter\u00fdch za\u0159\u00edzen\u00edch pro vstupn\u00ed data, jako jsou dotykov\u00e9 obrazovky a tla\u010d\u00edtka, se piezoelektrick\u00e9 senzory vyu\u017e\u00edvaj\u00ed pro detekci stisku.  V n\u011bkter\u00fdch zapalova\u010d\u00edch se piezoelektrick\u00fd efekt pou\u017e\u00edv\u00e1 k generov\u00e1n\u00ed jiskry.<\/p>\n<h3>Z\u00e1v\u011br<\/h3>\n<p>Piezoelektrick\u00e9 senzory p\u0159edstavuj\u00ed vysoce univerz\u00e1ln\u00ed a spolehlivou technologii s \u0161irok\u00fdm spektrem aplikac\u00ed.  D\u00edky jejich schopnosti p\u0159em\u011b\u0148ovat mechanickou energii na elektrickou a naopak, nach\u00e1zej\u00ed uplatn\u011bn\u00ed v nejr\u016fzn\u011bj\u0161\u00edch oblastech lidsk\u00e9 \u010dinnosti, od automobilov\u00e9ho pr\u016fmyslu p\u0159es medic\u00ednu a\u017e po spot\u0159ebn\u00ed elektroniku.  Pokra\u010duj\u00edc\u00ed v\u00fdvoj v oblasti piezoelektrick\u00fdch materi\u00e1l\u016f a technologi\u00ed slibuje dal\u0161\u00ed roz\u0161\u00ed\u0159en\u00ed jejich vyu\u017eit\u00ed v budoucnu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezoelektrick\u00e9 senzory nach\u00e1zej\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v nejr\u016fzn\u011bj\u0161\u00edch oblastech, od automobilov\u00e9ho pr\u016fmyslu a\u017e po medic\u00ednu. Z\u00e1kladn\u00ed princip jejich fungov\u00e1n\u00ed spo\u010d\u00edv\u00e1 v p\u0159em\u011bn\u011b mechanick\u00e9 energie (tlaku, vibrac\u00ed, deformace) na energii elektrickou a naopak. Tato vlastnost jim umo\u017e\u0148uje detekovat i velmi jemn\u00e9 pohyby a zm\u011bny tlaku, co\u017e otev\u00edr\u00e1 \u0161irok\u00e9 mo\u017enosti vyu\u017eit\u00ed. V n\u00e1sleduj\u00edc\u00edm textu se bl\u00ed\u017ee pod\u00edv\u00e1me na<\/p>\n","protected":false},"author":1,"featured_media":26463,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-57901","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\/57901","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=57901"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/57901\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26463"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=57901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=57901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=57901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}