{"id":60571,"date":"2023-04-21T15:39:35","date_gmt":"2023-04-21T20:39:35","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-connect-piezo-in-series\/"},"modified":"2025-01-27T06:07:41","modified_gmt":"2025-01-27T11:07:41","slug":"how-to-connect-piezo-in-series","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-to-connect-piezo-in-series\/","title":{"rendered":"Piezoelektrick\u00e9 prvky v s\u00e9rii: Praktick\u00fd n\u00e1vod"},"content":{"rendered":"<p>P\u0159ipojen\u00ed piezoelektrick\u00fdch element\u016f do s\u00e9rie je technika, kter\u00e1 umo\u017e\u0148uje sumarizovat v\u00fdstupn\u00ed nap\u011bt\u00ed nebo s\u00edlu z v\u00edce piezoelektrick\u00fdch sn\u00edma\u010d\u016f.  Tato metoda nach\u00e1z\u00ed uplatn\u011bn\u00ed v r\u016fzn\u00fdch aplikac\u00edch, od senzoriky a m\u011b\u0159en\u00ed vibrac\u00ed a\u017e po generov\u00e1n\u00ed vy\u0161\u0161\u00edho nap\u011bt\u00ed.  Spr\u00e1vn\u00e9 zapojen\u00ed je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed optim\u00e1ln\u00edho v\u00fdkonu a spolehlivosti cel\u00e9ho syst\u00e9mu.  N\u00e1sleduj\u00edc\u00ed text se podrobn\u011b zab\u00fdv\u00e1 t\u00edmto t\u00e9matem.<\/p>\n<h3>Princip seriov\u00e9ho zapojen\u00ed<\/h3>\n<p>Seriov\u00e9 zapojen\u00ed piezoelektrick\u00fdch element\u016f spo\u010d\u00edv\u00e1 v p\u0159ipojen\u00ed v\u00fdstupn\u00edho p\u00f3lu jednoho elementu k vstupn\u00edmu p\u00f3lu dal\u0161\u00edho.  Tento proces se opakuje pro v\u0161echny zapojen\u00e9 elementy. V\u00fdsledkem je, \u017ee nap\u011bt\u00ed generovan\u00e9 ka\u017ed\u00fdm elementem se s\u010d\u00edt\u00e1, \u010d\u00edm\u017e se dosahuje vy\u0161\u0161\u00edho celkov\u00e9ho v\u00fdstupn\u00edho nap\u011bt\u00ed.  Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee p\u0159i seriov\u00e9m zapojen\u00ed se celkov\u00e1 kapacita syst\u00e9mu sni\u017euje, zat\u00edmco celkov\u00e1 impedance se zvy\u0161uje.<\/p>\n<h3>V\u00fdhody seriov\u00e9ho zapojen\u00ed<\/h3>\n<p>Hlavn\u00ed v\u00fdhodou seriov\u00e9ho zapojen\u00ed je zv\u00fd\u0161en\u00ed celkov\u00e9ho v\u00fdstupn\u00edho nap\u011bt\u00ed. To je zvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e9 v aplikac\u00edch, kde je vy\u017eadov\u00e1n vy\u0161\u0161\u00ed sign\u00e1l.  Dal\u0161\u00ed v\u00fdhodou je zjednodu\u0161en\u00ed zapojen\u00ed \u2013  pro \u0159\u00edzen\u00ed cel\u00e9ho syst\u00e9mu sta\u010d\u00ed pouze dva vodi\u010de.<\/p>\n<h3>Nev\u00fdhody seriov\u00e9ho zapojen\u00ed<\/h3>\n<p>Hlavn\u00ed nev\u00fdhodou seriov\u00e9ho zapojen\u00ed je zv\u00fd\u0161en\u00ed impedance. To m\u016f\u017ee v\u00e9st k probl\u00e9m\u016fm s m\u011b\u0159en\u00edm, zejm\u00e9na p\u0159i pou\u017eit\u00ed vysok\u00fdch impedan\u010dn\u00edch zesilova\u010d\u016f.  Dal\u0161\u00ed nev\u00fdhodou je ni\u017e\u0161\u00ed celkov\u00e1 kapacita syst\u00e9mu, co\u017e m\u016f\u017ee ovlivnit jeho frekven\u010dn\u00ed odezvu.  D\u00e1le je nutn\u00e9 db\u00e1t na stejnou polaritu v\u0161ech zapojen\u00fdch element\u016f, aby se nap\u011bt\u00ed s\u010d\u00edtala a nedoch\u00e1zelo k vyru\u0161en\u00ed. Nespr\u00e1vn\u00e1 polarita m\u016f\u017ee v\u00e9st k v\u00fdrazn\u00e9mu sn\u00ed\u017een\u00ed celkov\u00e9ho v\u00fdstupn\u00edho nap\u011bt\u00ed, anebo dokonce k po\u0161kozen\u00ed element\u016f.<\/p>\n<h3>Praktick\u00e9 aspekty seriov\u00e9ho zapojen\u00ed<\/h3>\n<p>P\u0159ipojen\u00ed piezoelektrick\u00fdch element\u016f do s\u00e9rie vy\u017eaduje pe\u010dlivou p\u0159\u00edpravu a dodr\u017een\u00ed bezpe\u010dnostn\u00edch opat\u0159en\u00ed.  Je d\u016fle\u017eit\u00e9 zkontrolovat polaritu ka\u017ed\u00e9ho elementu a zajistit spolehliv\u00e9 elektrick\u00e9 spojen\u00ed.  Pou\u017eit\u00ed kvalitn\u00edch kabel\u016f a konektor\u016f je nezbytn\u00e9 pro minimalizaci ztr\u00e1t sign\u00e1lu.<\/p>\n<h3>P\u0159\u00edklad zapojen\u00ed a tabulka porovn\u00e1n\u00ed<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Parametr<\/th>\n<th>Seriov\u00e9 zapojen\u00ed<\/th>\n<th>Paraleln\u00ed zapojen\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u00fdstupn\u00ed nap\u011bt\u00ed<\/td>\n<td>Vysok\u00e9<\/td>\n<td>N\u00edzk\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Celkov\u00e1 impedance<\/td>\n<td>Vysok\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Celkov\u00e1 kapacita<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Slo\u017eitost zapojen\u00ed<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Vy\u0161\u0161\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Zde je jednoduch\u00fd p\u0159\u00edklad seriov\u00e9ho zapojen\u00ed t\u0159\u00ed piezoelektrick\u00fdch element\u016f: Element 1 (+) je p\u0159ipojen k Elementu 2 (-), Element 2 (+) je p\u0159ipojen k Elementu 3 (-), a Element 3 (+) tvo\u0159\u00ed v\u00fdstupn\u00ed kladn\u00fd p\u00f3l, zat\u00edmco Element 1 (-) tvo\u0159\u00ed v\u00fdstupn\u00ed z\u00e1porn\u00fd p\u00f3l.<\/p>\n<h3>Z\u00e1v\u011br<\/h3>\n<p>Seriov\u00e9 zapojen\u00ed piezoelektrick\u00fdch element\u016f je u\u017eite\u010dn\u00e1 technika pro generov\u00e1n\u00ed vy\u0161\u0161\u00edho v\u00fdstupn\u00edho nap\u011bt\u00ed.  Je v\u0161ak d\u016fle\u017eit\u00e9 si uv\u011bdomit jeho nev\u00fdhody, jako je zv\u00fd\u0161en\u00e1 impedance a ni\u017e\u0161\u00ed kapacita.  Spr\u00e1vn\u00e1 volba zapojen\u00ed z\u00e1vis\u00ed na konkr\u00e9tn\u00ed aplikaci a po\u017eadavc\u00edch na celkov\u00fd syst\u00e9m.  Pe\u010dliv\u00e1 p\u0159\u00edprava a dodr\u017een\u00ed bezpe\u010dnostn\u00edch opat\u0159en\u00ed jsou kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed spolehliv\u00e9ho a efektivn\u00edho fungov\u00e1n\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159ipojen\u00ed piezoelektrick\u00fdch element\u016f do s\u00e9rie je technika, kter\u00e1 umo\u017e\u0148uje sumarizovat v\u00fdstupn\u00ed nap\u011bt\u00ed nebo s\u00edlu z v\u00edce piezoelektrick\u00fdch sn\u00edma\u010d\u016f. Tato metoda nach\u00e1z\u00ed uplatn\u011bn\u00ed v r\u016fzn\u00fdch aplikac\u00edch, od senzoriky a m\u011b\u0159en\u00ed vibrac\u00ed a\u017e po generov\u00e1n\u00ed vy\u0161\u0161\u00edho nap\u011bt\u00ed. Spr\u00e1vn\u00e9 zapojen\u00ed je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed optim\u00e1ln\u00edho v\u00fdkonu a spolehlivosti cel\u00e9ho syst\u00e9mu. N\u00e1sleduj\u00edc\u00ed text se podrobn\u011b zab\u00fdv\u00e1 t\u00edmto t\u00e9matem. Princip<\/p>\n","protected":false},"author":1,"featured_media":26466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-60571","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\/60571","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=60571"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/60571\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26466"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=60571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=60571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=60571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}