{"id":59387,"date":"2023-04-21T23:48:58","date_gmt":"2023-04-22T04:48:58","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-ultrasonic-generator\/"},"modified":"2025-01-27T06:10:52","modified_gmt":"2025-01-27T11:10:52","slug":"how-to-make-homemade-ultrasonic-generator","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-to-make-homemade-ultrasonic-generator\/","title":{"rendered":"Dom\u00e1c\u00ed v\u00fdroba ultrazvukov\u00e9ho gener\u00e1toru: Podrobn\u00fd n\u00e1vod"},"content":{"rendered":"

Dom\u00e1c\u00ed v\u00fdroba ultrazvukov\u00e9ho gener\u00e1toru je n\u00e1ro\u010dn\u00fd \u00fakol, vy\u017eaduj\u00edc\u00ed zna\u010dn\u00e9 znalosti elektroniky a bezpe\u010dnosti pr\u00e1ce s vysok\u00fdm nap\u011bt\u00edm. Tento \u010dl\u00e1nek poskytuje pouze z\u00e1kladn\u00ed informace a nem\u011bl by b\u00fdt br\u00e1n jako n\u00e1vod pro bezpe\u010dn\u00fd a funk\u010dn\u00ed v\u00fdrobek. P\u0159ed jak\u00fdmkoliv pokusem o konstrukci si d\u016fkladn\u011b prostudujte relevantn\u00ed literaturu a zva\u017ete rizika.<\/p>\n

Z\u00e1kladn\u00ed principy ultrazvukov\u00e9 generace<\/h3>\n

Ultrazvukov\u00e9 vlny jsou zvukov\u00e9 vlny s frekvenc\u00ed nad 20 kHz, tj. nad hranic\u00ed sly\u0161itelnosti lidsk\u00e9ho ucha. Generuj\u00ed se pomoc\u00ed piezoelektrick\u00fdch krystal\u016f, kter\u00e9 se p\u0159i p\u016fsoben\u00ed st\u0159\u00eddav\u00e9ho elektrick\u00e9ho pole deformuj\u00ed a generuj\u00ed mechanick\u00e9 vibrace. Frekvence t\u011bchto vibrac\u00ed odpov\u00edd\u00e1 frekvenci nap\u00e1jec\u00edho sign\u00e1lu. K dosa\u017een\u00ed ultrazvukov\u00fdch frekvenc\u00ed je nutn\u00e9 pou\u017e\u00edt oscil\u00e1tor, kter\u00fd generuje p\u0159esn\u00fd st\u0159\u00eddav\u00fd sign\u00e1l o po\u017eadovan\u00e9 frekvenci.<\/p>\n

Pot\u0159ebn\u00e9 sou\u010d\u00e1stky<\/h3>\n

Pro konstrukci jednoduch\u00e9ho ultrazvukov\u00e9ho gener\u00e1toru budete pot\u0159ebovat:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Sou\u010d\u00e1stka<\/th>\nPopis<\/th>\nParametry (p\u0159\u00edklady)<\/th>\n<\/tr>\n<\/thead>\n
Piezoelektrick\u00fd krystal<\/td>\nKrystal, kter\u00fd se deformuje pod vlivem elektrick\u00e9ho pole<\/td>\nFrekvence: 40 kHz, Pr\u016fm\u011br: 20 mm<\/td>\n<\/tr>\n
Opera\u010dn\u00ed zesilova\u010d<\/td>\nZesiluje sign\u00e1l z oscil\u00e1toru<\/td>\nTyp: LM741, Nap\u00e1jen\u00ed: \u00b115V<\/td>\n<\/tr>\n
Oscil\u00e1tor<\/td>\nGeneruje st\u0159\u00eddav\u00fd sign\u00e1l o po\u017eadovan\u00e9 frekvenci<\/td>\nFrekvence: 40 kHz, Typ: 555 timer<\/td>\n<\/tr>\n
Rezistory<\/td>\nNastavuj\u00ed proud a nap\u011bt\u00ed<\/td>\nR\u016fzn\u00e9 hodnoty dle zapojen\u00ed<\/td>\n<\/tr>\n
Kondenz\u00e1tory<\/td>\nFiltruj\u00ed sign\u00e1l a ur\u010duj\u00ed frekvenci<\/td>\nR\u016fzn\u00e9 hodnoty dle zapojen\u00ed<\/td>\n<\/tr>\n
Nap\u00e1jec\u00ed zdroj<\/td>\nDod\u00e1v\u00e1 nap\u00e1jec\u00ed nap\u011bt\u00ed pro cel\u00fd obvod<\/td>\nNap\u011bt\u00ed: \u00b115V, Proud: 1A<\/td>\n<\/tr>\n
Spojovac\u00ed vodi\u010de<\/td>\nPropojen\u00ed jednotliv\u00fdch sou\u010d\u00e1stek<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Sch\u00e9ma zapojen\u00ed<\/h3>\n

Zapojen\u00ed ultrazvukov\u00e9ho gener\u00e1toru je pom\u011brn\u011b slo\u017eit\u00e9 a z\u00e1vis\u00ed na zvolen\u00fdch sou\u010d\u00e1stk\u00e1ch. Jednoduch\u00e9 zapojen\u00ed by mohlo obsahovat 555 timer jako oscil\u00e1tor, opera\u010dn\u00ed zesilova\u010d pro zes\u00edlen\u00ed sign\u00e1lu a piezoelektrick\u00fd krystal jako p\u0159evodn\u00edk. Podrobn\u00e9 sch\u00e9ma je nutn\u00e9 vytvo\u0159it na z\u00e1klad\u011b zvolen\u00fdch sou\u010d\u00e1stek a jejich specifikac\u00ed. Doporu\u010duje se vyu\u017eit\u00ed simula\u010dn\u00edho softwaru pro ov\u011b\u0159en\u00ed funk\u010dnosti zapojen\u00ed p\u0159ed jeho fyzickou realizac\u00ed.<\/p>\n

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

P\u0159i pr\u00e1ci s vysok\u00fdm nap\u011bt\u00edm a piezoelektrick\u00fdmi krystaly je nutn\u00e9 dodr\u017eovat p\u0159\u00edsn\u00e1 bezpe\u010dnostn\u00ed opat\u0159en\u00ed. Piezoelektrick\u00e9 krystaly mohou p\u0159i vysok\u00e9m nap\u011bt\u00ed generovat zna\u010dn\u00e9 mno\u017estv\u00ed energie, kter\u00e1 m\u016f\u017ee b\u00fdt nebezpe\u010dn\u00e1. V\u017edy pou\u017e\u00edvejte ochrann\u00e9 pom\u016fcky jako ochrann\u00e9 br\u00fdle a izola\u010dn\u00ed rukavice. P\u0159ed spu\u0161t\u011bn\u00edm gener\u00e1toru zkontrolujte spr\u00e1vnost zapojen\u00ed a uzemn\u011bn\u00ed.<\/p>\n

Testov\u00e1n\u00ed a lad\u011bn\u00ed<\/h3>\n

Po sestaven\u00ed gener\u00e1toru je nutn\u00e9 prov\u00e9st jeho d\u016fkladn\u00e9 testov\u00e1n\u00ed. Pou\u017eijte vhodn\u00fd m\u011b\u0159\u00edc\u00ed p\u0159\u00edstroj pro ov\u011b\u0159en\u00ed frekvence a amplitudy v\u00fdstupn\u00edho sign\u00e1lu. Pokud gener\u00e1tor nefunguje spr\u00e1vn\u011b, je nutn\u00e9 zkontrolovat zapojen\u00ed a hodnoty sou\u010d\u00e1stek. Lad\u011bn\u00ed gener\u00e1toru m\u016f\u017ee b\u00fdt n\u00e1ro\u010dn\u00e9 a vy\u017eaduje zku\u0161enosti s elektronikou.<\/p>\n

Konstrukce dom\u00e1c\u00edho ultrazvukov\u00e9ho gener\u00e1toru je slo\u017eit\u00fd proces, kter\u00fd vy\u017eaduje hlubok\u00e9 znalosti z oblasti elektroniky a bezpe\u010dnosti pr\u00e1ce s elektrick\u00fdm proudem. Tento \u010dl\u00e1nek slou\u017e\u00ed pouze jako z\u00e1kladn\u00ed \u00favod do problematiky a nem\u016f\u017ee nahradit profesion\u00e1ln\u00ed rady a zku\u0161enosti. P\u0159ed jak\u00fdmkoli pokusem o konstrukci je nutn\u00e9 pe\u010dliv\u011b zv\u00e1\u017eit rizika a prostudovat relevantn\u00ed literaturu.<\/p>\n","protected":false},"excerpt":{"rendered":"

Dom\u00e1c\u00ed v\u00fdroba ultrazvukov\u00e9ho gener\u00e1toru je n\u00e1ro\u010dn\u00fd \u00fakol, vy\u017eaduj\u00edc\u00ed zna\u010dn\u00e9 znalosti elektroniky a bezpe\u010dnosti pr\u00e1ce s vysok\u00fdm nap\u011bt\u00edm. Tento \u010dl\u00e1nek poskytuje pouze z\u00e1kladn\u00ed informace a nem\u011bl by b\u00fdt br\u00e1n jako n\u00e1vod pro bezpe\u010dn\u00fd a funk\u010dn\u00ed v\u00fdrobek. P\u0159ed jak\u00fdmkoliv pokusem o konstrukci si d\u016fkladn\u011b prostudujte relevantn\u00ed literaturu a zva\u017ete rizika. Z\u00e1kladn\u00ed principy ultrazvukov\u00e9 generace Ultrazvukov\u00e9 vlny jsou<\/p>\n","protected":false},"author":1,"featured_media":19249,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-59387","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\/59387","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=59387"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/59387\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/19249"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=59387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=59387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=59387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}