{"id":61697,"date":"2023-04-21T13:50:18","date_gmt":"2023-04-21T18:50:18","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-ultrasonic-speaker\/"},"modified":"2025-01-27T06:04:36","modified_gmt":"2025-01-27T11:04:36","slug":"diy-ultrasonic-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/diy-ultrasonic-speaker\/","title":{"rendered":"DIY ultrazvukov\u00fd reproduktor: N\u00e1vod krok za krokem"},"content":{"rendered":"<p>DIY ultrazvukov\u00fd reproduktor: pr\u016fvodce pro kutily<\/p>\n<p>Ultrazvukov\u00e9 reproduktory, i kdy\u017e se na prvn\u00ed pohled zdaj\u00ed b\u00fdt slo\u017eit\u00fdm projektem, jsou ve skute\u010dnosti p\u0159\u00edstupn\u00e9 i pro nad\u0161en\u00e9 kutily s trochou trp\u011blivosti a z\u00e1kladn\u00edch znalost\u00ed elektroniky.  Tento \u010dl\u00e1nek v\u00e1m poskytne podrobn\u00fd n\u00e1vod na sestaven\u00ed vlastn\u00edho ultrazvukov\u00e9ho reproduktoru, od v\u00fdb\u011bru komponent a\u017e po fin\u00e1ln\u00ed lad\u011bn\u00ed zvuku.<\/p>\n<h3>V\u00fdb\u011br komponent<\/h3>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00ed sou\u010d\u00e1st\u00ed ultrazvukov\u00e9ho reproduktoru je piezoelektrick\u00fd m\u011bni\u010d.  Jeho frekven\u010dn\u00ed odezva je kl\u00ed\u010dov\u00e1 pro kvalitu zvuku.  Pro DIY projekt je ide\u00e1ln\u00ed piezoelektrick\u00fd m\u011bni\u010d s frekvenc\u00ed v rozsahu 40kHz \u2013 50kHz, b\u011b\u017en\u011b dostupn\u00fd online.  Dal\u0161\u00ed nezbytn\u00e9 komponenty zahrnuj\u00ed:<\/p>\n<ul>\n<li><strong>Gener\u00e1tor sign\u00e1lu:<\/strong>  Pot\u0159ebujete gener\u00e1tor sign\u00e1lu, kter\u00fd dok\u00e1\u017ee generovat sinusov\u00e9 vlny v po\u017eadovan\u00e9m frekven\u010dn\u00edm rozsahu.  M\u016f\u017eete pou\u017e\u00edt Arduino s vhodnou knihovnou, nebo existuj\u00ed i samostatn\u00e9 gener\u00e1tory sign\u00e1lu.<\/li>\n<li><strong>Zesilova\u010d:<\/strong>  Piezoelektrick\u00fd m\u011bni\u010d obvykle vy\u017eaduje zes\u00edlen\u00ed sign\u00e1lu pro dostate\u010dnou hlasitost.  V\u00fdb\u011br zesilova\u010de z\u00e1vis\u00ed na v\u00fdkonu va\u0161eho m\u011bni\u010de.<\/li>\n<li><strong>Nap\u00e1jen\u00ed:<\/strong>  Dodate\u010dn\u00fd zdroj nap\u00e1jen\u00ed pro gener\u00e1tor sign\u00e1lu a zesilova\u010d, v z\u00e1vislosti na jejich po\u017eadavc\u00edch.<\/li>\n<li><strong>Sch\u00e9ma zapojen\u00ed:<\/strong> Jasn\u00e9 sch\u00e9ma zapojen\u00ed v\u0161ech komponent je kl\u00ed\u010dov\u00e9 pro \u00fasp\u011b\u0161nou stavbu.<\/li>\n<\/ul>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Komponent<\/th>\n<th>Specifikace<\/th>\n<th>Pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Piezoelektrick\u00fd m\u011bni\u010d<\/td>\n<td>40kHz &#8211; 50kHz<\/td>\n<td>Kvalita zvuku z\u00e1vis\u00ed na jeho kvalit\u011b<\/td>\n<\/tr>\n<tr>\n<td>Gener\u00e1tor sign\u00e1lu<\/td>\n<td>Arduino Uno nebo podobn\u00fd<\/td>\n<td>Mo\u017enost programovat frekvenci a amplitudu<\/td>\n<\/tr>\n<tr>\n<td>Zesilova\u010d<\/td>\n<td>V z\u00e1vislosti na m\u011bni\u010di<\/td>\n<td>Zajist\u011bte dostate\u010dn\u00fd v\u00fdkon<\/td>\n<\/tr>\n<tr>\n<td>Nap\u00e1jen\u00ed<\/td>\n<td>5V &#8211; 12V<\/td>\n<td>V z\u00e1vislosti na spot\u0159eb\u011b komponent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Zapojen\u00ed a mont\u00e1\u017e<\/h3>\n<p>Po shrom\u00e1\u017ed\u011bn\u00ed v\u0161ech komponent je \u010das na zapojen\u00ed.  P\u0159esn\u00e9 zapojen\u00ed z\u00e1vis\u00ed na zvolen\u00fdch komponentech a gener\u00e1toru sign\u00e1lu.  V\u017edy dodr\u017eujte bezpe\u010dnostn\u00ed opat\u0159en\u00ed a pracujte s n\u00edzk\u00fdm nap\u011bt\u00edm, pokud nem\u00e1te zku\u0161enosti s elektronikou.  Doporu\u010duje se pe\u010dliv\u011b si prostudovat sch\u00e9ma zapojen\u00ed p\u0159ed zapo\u010det\u00edm pr\u00e1ce.  Po spr\u00e1vn\u00e9 instalaci v\u0161ech komponent je nutn\u00e9 je pevn\u011b upevnit, aby se zabr\u00e1nilo vibrac\u00edm a ne\u017e\u00e1douc\u00edm zvuk\u016fm.<\/p>\n<h3>Lad\u011bn\u00ed a testov\u00e1n\u00ed<\/h3>\n<p>Po sestaven\u00ed reproduktoru je pot\u0159eba prov\u00e9st lad\u011bn\u00ed.  To zahrnuje \u00fapravu frekvence a amplitudy sign\u00e1lu pro dosa\u017een\u00ed optim\u00e1ln\u00edho zvuku.  M\u016f\u017eete experimentovat s r\u016fzn\u00fdmi frekvencemi a amplitudami, abyste na\u0161li nejlep\u0161\u00ed nastaven\u00ed pro va\u0161e u\u0161i.  Kvalita zvuku bude ovlivn\u011bna i um\u00edst\u011bn\u00edm piezoelektrick\u00e9ho m\u011bni\u010de.<\/p>\n<h3>Mo\u017en\u00e9 probl\u00e9my a jejich \u0159e\u0161en\u00ed<\/h3>\n<p>B\u011bhem procesu sestavov\u00e1n\u00ed se mohou objevit probl\u00e9my.  Nap\u0159\u00edklad nedostate\u010dn\u00e1 hlasitost, zkreslen\u00ed zvuku nebo \u017e\u00e1dn\u00fd zvuk.  Tyto probl\u00e9my mohou b\u00fdt zp\u016fsobeny nespr\u00e1vn\u00fdm zapojen\u00edm, vadn\u00fdmi komponenty nebo nespr\u00e1vnou frekvenc\u00ed.  Pe\u010dliv\u00e9 prozkoum\u00e1n\u00ed zapojen\u00ed a kontrola v\u0161ech komponent v\u00e1m pom\u016f\u017ee identifikovat a vy\u0159e\u0161it tyto probl\u00e9my.<\/p>\n<h3>Z\u00e1v\u011br<\/h3>\n<p>Sestaven\u00ed vlastn\u00edho ultrazvukov\u00e9ho reproduktoru je n\u00e1ro\u010dn\u00fd, ale uspokojuj\u00edc\u00ed projekt.  Pe\u010dliv\u00fd v\u00fdb\u011br komponent, spr\u00e1vn\u00e9 zapojen\u00ed a trp\u011bliv\u00e9 lad\u011bn\u00ed jsou kl\u00ed\u010dem k \u00fasp\u011bchu.  V\u00fdsledkem je unik\u00e1tn\u00ed a funk\u010dn\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 v\u00e1m umo\u017en\u00ed prozkoumat sv\u011bt ultrazvuku.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DIY ultrazvukov\u00fd reproduktor: pr\u016fvodce pro kutily Ultrazvukov\u00e9 reproduktory, i kdy\u017e se na prvn\u00ed pohled zdaj\u00ed b\u00fdt slo\u017eit\u00fdm projektem, jsou ve skute\u010dnosti p\u0159\u00edstupn\u00e9 i pro nad\u0161en\u00e9 kutily s trochou trp\u011blivosti a z\u00e1kladn\u00edch znalost\u00ed elektroniky. Tento \u010dl\u00e1nek v\u00e1m poskytne podrobn\u00fd n\u00e1vod na sestaven\u00ed vlastn\u00edho ultrazvukov\u00e9ho reproduktoru, od v\u00fdb\u011bru komponent a\u017e po fin\u00e1ln\u00ed lad\u011bn\u00ed zvuku. V\u00fdb\u011br komponent Nejd\u016fle\u017eit\u011bj\u0161\u00ed<\/p>\n","protected":false},"author":1,"featured_media":26478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-61697","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\/61697","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=61697"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/61697\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26478"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=61697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=61697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=61697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}