{"id":61866,"date":"2023-04-21T13:21:26","date_gmt":"2023-04-21T18:21:26","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-surface-transducer-speaker\/"},"modified":"2025-01-27T06:03:53","modified_gmt":"2025-01-27T11:03:53","slug":"diy-surface-transducer-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/diy-surface-transducer-speaker\/","title":{"rendered":"DIY Ploch\u00e1 membr\u00e1nov\u00e1 reprosoustava: N\u00e1vod"},"content":{"rendered":"

DIY povrchov\u00fd transduktorov\u00fd reproduktor<\/p>\n

Vytvo\u0159en\u00ed vlastn\u00edho povrchov\u00e9ho transduktorov\u00e9ho reproduktoru je fascinuj\u00edc\u00ed projekt, kter\u00fd kombinuje elektroniku, fyziku a trochu zru\u010dnosti. Tento typ reproduktoru, na rozd\u00edl od tradi\u010dn\u00edch reproduktor\u016f s membr\u00e1nou, p\u0159en\u00e1\u0161\u00ed zvuk p\u0159\u00edmo vibrac\u00ed povrchu, na kter\u00fd je p\u0159ipevn\u011bn. To umo\u017e\u0148uje vytv\u00e1\u0159et zvuk z nejr\u016fzn\u011bj\u0161\u00edch materi\u00e1l\u016f a tvar\u016f, otev\u00edr\u00e1 tak cestu k netradi\u010dn\u00edm a kreativn\u00edm \u0159e\u0161en\u00edm. Tento \u010dl\u00e1nek v\u00e1m poskytne podrobn\u00fd n\u00e1vod, jak si takov\u00fd reproduktor sestavit doma.<\/p>\n

Volba materi\u00e1lu a komponent<\/h3>\n

Z\u00e1kladn\u00edm prvkem na\u0161eho DIY reproduktoru je piezoelektrick\u00fd transduktor. Tento mal\u00fd, ale siln\u00fd element p\u0159ev\u00e1d\u00ed elektrick\u00fd sign\u00e1l na mechanick\u00e9 vibrace. Existuje mnoho typ\u016f transduktor\u016f s r\u016fzn\u00fdmi frekven\u010dn\u00edmi charakteristikami a v\u00fdkony. Pro dom\u00e1c\u00ed pou\u017eit\u00ed jsou vhodn\u00e9 transduktory s frekven\u010dn\u00edm rozsahem od n\u011bkolika kilohertz\u016f do n\u011bkolika des\u00edtek kilohertz\u016f. Volba spr\u00e1vn\u00e9ho transduktoru z\u00e1vis\u00ed na po\u017eadovan\u00e9 kvalit\u011b zvuku a velikosti vibra\u010dn\u00edho povrchu. Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee vy\u0161\u0161\u00ed frekvence znamenaj\u00ed vy\u0161\u0161\u00ed ost\u0159ej\u0161\u00ed zvuk, ale krat\u0161\u00ed dosah.<\/p>\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nHodnota (p\u0159\u00edklady)<\/th>\nPozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n
Frekven\u010dn\u00ed rozsah<\/td>\n20kHz – 40kHz<\/td>\nVy\u0161\u0161\u00ed frekvence = vy\u0161\u0161\u00ed v\u00fd\u0161ky, krat\u0161\u00ed dosah<\/td>\n<\/tr>\n
Nap\u00e1jec\u00ed nap\u011bt\u00ed<\/td>\n5V – 12V<\/td>\nZvolte nap\u011bt\u00ed dle dostupn\u00e9ho zesilova\u010de<\/td>\n<\/tr>\n
Impedence<\/td>\n10\u03a9 – 100\u03a9<\/td>\nVliv na v\u00fdb\u011br zesilova\u010de<\/td>\n<\/tr>\n
Velikost<\/td>\n10mm – 50mm<\/td>\nVliv na intenzitu a kvalitu zvuku<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

P\u0159\u00edprava vibra\u010dn\u00edho povrchu<\/h3>\n

Vibra\u010dn\u00ed povrch je kl\u00ed\u010dov\u00fd pro kvalitu zvuku. M\u011bl by b\u00fdt relativn\u011b ploch\u00fd, pevn\u00fd a s dostate\u010dnou plochou pro efektivn\u00ed p\u0159enos vibrac\u00ed. Mo\u017enosti jsou pestr\u00e9: tenk\u00e1 kovov\u00e1 deska, ploch\u00e1 plastov\u00e1 deska, \u010d\u00e1st d\u0159eva nebo dokonce pevn\u00e1 keramick\u00e1 dla\u017edice. Je d\u016fle\u017eit\u00e9, aby povrch byl dostate\u010dn\u011b pevn\u00fd, aby se nedeformoval pod vlivem vibrac\u00ed transduktoru. Tlou\u0161\u0165ka materi\u00e1lu ovliv\u0148uje rezonan\u010dn\u00ed frekvenci cel\u00e9ho syst\u00e9mu.<\/p>\n

Zapojen\u00ed a mont\u00e1\u017e<\/h3>\n

Transduktor se p\u0159ipevn\u00ed k vibra\u010dn\u00edmu povrchu pomoc\u00ed siln\u00e9ho lepidla, nap\u0159\u00edklad epoxidov\u00e9 prysky\u0159ice. Je d\u016fle\u017eit\u00e9 zajistit pevn\u00e9 spojen\u00ed, aby se minimalizovaly ztr\u00e1ty energie. K transduktoru se p\u0159ipoj\u00ed zesilova\u010d, kter\u00fd zv\u011bt\u0161\u00ed slab\u00e9 audio sign\u00e1ly na dostate\u010dn\u011b siln\u00fd sign\u00e1l pro pohon transduktoru. Zesilova\u010d by m\u011bl b\u00fdt dimenzov\u00e1n dle parametr\u016f transduktoru, aby nedo\u0161lo k jeho po\u0161kozen\u00ed. K zesilova\u010di se p\u0159ipoj\u00ed zdroj zvuku, nap\u0159\u00edklad po\u010d\u00edta\u010d, smartphone nebo MP3 p\u0159ehr\u00e1va\u010d.<\/p>\n

Kalibrace a optimalizace<\/h3>\n

Kvalita zvuku z\u00e1vis\u00ed na mnoha faktorech, v\u010detn\u011b typu a um\u00edst\u011bn\u00ed transduktoru, materi\u00e1lu vibra\u010dn\u00edho povrchu a kvality zesilova\u010de. Experimentujte s r\u016fzn\u00fdmi kombinacemi, abyste dos\u00e1hli optim\u00e1ln\u00edho v\u00fdsledku. Um\u00edst\u011bn\u00ed transduktoru na povrchu m\u016f\u017ee ovlivnit rozlo\u017een\u00ed vibrac\u00ed a t\u00edm i kvalitu a sm\u011br \u0161\u00ed\u0159en\u00ed zvuku.<\/p>\n

Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/h3>\n

P\u0159i pr\u00e1ci s elektronikou dodr\u017eujte bezpe\u010dnostn\u00ed p\u0159edpisy. Nep\u0159ipojujte transduktor k nap\u011bt\u00ed vy\u0161\u0161\u00edmu, ne\u017e je jeho jmenovit\u00e9 nap\u011bt\u00ed. V\u017edy pou\u017e\u00edvejte odpov\u00eddaj\u00edc\u00ed izolaci a db\u011bte na to, abyste se nedot\u00fdkali nezabezpe\u010den\u00fdch elektrick\u00fdch vodi\u010d\u016f.<\/p>\n

Z\u00e1v\u011brem, vytvo\u0159en\u00ed vlastn\u00edho povrchov\u00e9ho transduktorov\u00e9ho reproduktoru je n\u00e1ro\u010dn\u00fd, ale z\u00e1rove\u0148 velmi obohacuj\u00edc\u00ed projekt. S trochou trp\u011blivosti a experiment\u016f m\u016f\u017eete dos\u00e1hnout p\u0159ekvapiv\u011b dobr\u00fdch v\u00fdsledk\u016f a vytvo\u0159it si unik\u00e1tn\u00ed a netradi\u010dn\u00ed reproduktorov\u00fd syst\u00e9m. Nebojte se experimentovat s r\u016fzn\u00fdmi materi\u00e1ly a konfiguracemi, abyste objevili optim\u00e1ln\u00ed \u0159e\u0161en\u00ed pro va\u0161e pot\u0159eby.<\/p>\n","protected":false},"excerpt":{"rendered":"

DIY povrchov\u00fd transduktorov\u00fd reproduktor Vytvo\u0159en\u00ed vlastn\u00edho povrchov\u00e9ho transduktorov\u00e9ho reproduktoru je fascinuj\u00edc\u00ed projekt, kter\u00fd kombinuje elektroniku, fyziku a trochu zru\u010dnosti. Tento typ reproduktoru, na rozd\u00edl od tradi\u010dn\u00edch reproduktor\u016f s membr\u00e1nou, p\u0159en\u00e1\u0161\u00ed zvuk p\u0159\u00edmo vibrac\u00ed povrchu, na kter\u00fd je p\u0159ipevn\u011bn. To umo\u017e\u0148uje vytv\u00e1\u0159et zvuk z nejr\u016fzn\u011bj\u0161\u00edch materi\u00e1l\u016f a tvar\u016f, otev\u00edr\u00e1 tak cestu k netradi\u010dn\u00edm a kreativn\u00edm \u0159e\u0161en\u00edm.<\/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-61866","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\/61866","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=61866"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/61866\/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=61866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=61866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=61866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}