{"id":61699,"date":"2023-04-21T13:47:44","date_gmt":"2023-04-21T18:47:44","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-ultrasonic-record-cleaner-with-adjustable-power-and-variable-frequency\/"},"modified":"2025-01-27T06:04:33","modified_gmt":"2025-01-27T11:04:33","slug":"diy-ultrasonic-record-cleaner-with-adjustable-power-and-variable-frequency","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/diy-ultrasonic-record-cleaner-with-adjustable-power-and-variable-frequency\/","title":{"rendered":"DIY ultrazvukov\u00e1 \u010disti\u010dka desek: v\u00fdkon i frekvence"},"content":{"rendered":"<p>\u010cist\u011bn\u00ed gramofonov\u00fdch desek ultrazvukem je st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed metoda, kter\u00e1 umo\u017e\u0148uje efektivn\u00ed a \u0161etrnou \u00fadr\u017ebu cenn\u00fdch nosi\u010d\u016f zvuku.  Tradi\u010dn\u00ed metody \u010di\u0161t\u011bn\u00ed \u010dasto nedok\u00e1\u017eou odstranit ne\u010distoty z dr\u00e1\u017eek tak d\u016fkladn\u011b.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na konstrukci dom\u00e1c\u00edho ultrazvukov\u00e9ho \u010disti\u010de desek s nastaviteln\u00fdm v\u00fdkonem a variabiln\u00ed frekvenc\u00ed, \u010d\u00edm\u017e se zv\u00fd\u0161\u00ed efektivita a flexibilita procesu \u010di\u0161t\u011bn\u00ed.<\/p>\n<h3>V\u00fdb\u011br ultrazvukov\u00e9ho transduktoru<\/h3>\n<p>Z\u00e1kladem na\u0161eho DIY projektu je ultrazvukov\u00fd transduktor. Kl\u00ed\u010dov\u00fdmi parametry jsou frekvence a v\u00fdkon.  N\u00edzk\u00e1 frekvence (nap\u0159. 25 kHz) generuje siln\u011bj\u0161\u00ed kavitaci, vhodnou pro odstran\u011bn\u00ed hrub\u0161\u00edch ne\u010distot. Vy\u0161\u0161\u00ed frekvence (nap\u0159. 40 kHz) je jemn\u011bj\u0161\u00ed a ide\u00e1ln\u00ed pro \u010di\u0161t\u011bn\u00ed jemn\u00fdch detail\u016f dr\u00e1\u017eek.  Ide\u00e1ln\u00ed by bylo disponovat mo\u017enost\u00ed nastaven\u00ed frekvence v rozmez\u00ed 20-40 kHz.  V\u00fdkon transduktoru by m\u011bl b\u00fdt volen s ohledem na velikost n\u00e1dr\u017ee a typ \u010distic\u00ed kapaliny. P\u0159\u00edli\u0161 vysok\u00fd v\u00fdkon m\u016f\u017ee po\u0161kodit desky.  Vhodnou volbou by mohl b\u00fdt transduktor od spole\u010dnosti Beijing Ultrasonic, pokud je dostupn\u00fd s po\u017eadovan\u00fdmi parametry.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Frekvence (kHz)<\/th>\n<th>V\u00fdkon (W)<\/th>\n<th>Doporu\u010den\u00e9 pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>25<\/td>\n<td>30-50<\/td>\n<td>Hrub\u00e9 ne\u010distoty, siln\u00e1 kavitativn\u00ed akce<\/td>\n<\/tr>\n<tr>\n<td>35<\/td>\n<td>20-40<\/td>\n<td>St\u0159edn\u011b siln\u00e9 ne\u010distoty, kompromis mezi silou a jemnost\u00ed<\/td>\n<\/tr>\n<tr>\n<td>40<\/td>\n<td>10-30<\/td>\n<td>Jemn\u00e9 ne\u010distoty, \u0161etrn\u00e9 \u010di\u0161t\u011bn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>N\u00e1vrh elektroniky pro regulaci<\/h3>\n<p>Pro regulaci v\u00fdkonu a frekvence ultrazvukov\u00e9ho transduktoru budeme pot\u0159ebovat \u0159\u00edd\u00edc\u00ed obvod.  Mo\u017enost\u00ed je n\u011bkolik, od jednoduch\u00fdch potenciometr\u016f pro hrubou regulaci a\u017e po sofistikovan\u011bj\u0161\u00ed mikroprocesorov\u00e9 \u0159e\u0161en\u00ed s p\u0159esn\u011bj\u0161\u00edm nastaven\u00edm a mo\u017enost\u00ed ulo\u017een\u00ed pre-set\u016f.  Jednoduch\u00fd obvod s potenciometry pro regulaci amplitudy nap\u00e1jec\u00edho sign\u00e1lu a p\u0159\u00edpadn\u011b frekvence (pouze pokud transduktor umo\u017e\u0148uje takov\u00e9to nastaven\u00ed) bude posta\u010dovat pro v\u011bt\u0161inu aplikac\u00ed.  Slo\u017eit\u011bj\u0161\u00ed \u0159e\u0161en\u00ed s mikroprocesorem umo\u017en\u00ed p\u0159esn\u011bj\u0161\u00ed kontrolu a monitoring procesu \u010di\u0161t\u011bn\u00ed.<\/p>\n<h3>Konstrukce n\u00e1dr\u017ee a uspo\u0159\u00e1d\u00e1n\u00ed<\/h3>\n<p>N\u00e1dr\u017e by m\u011bla b\u00fdt vyrobena z materi\u00e1lu, kter\u00fd je odoln\u00fd v\u016f\u010di ultrazvuku a \u010distic\u00ed kapalin\u011b.  Nerezov\u00e1 ocel je vhodn\u00e1 volba.  Velikost n\u00e1dr\u017ee by m\u011bla b\u00fdt dostate\u010dn\u00e1 pro pohodln\u00e9 um\u00edst\u011bn\u00ed gramofonov\u00e9 desky a umo\u017enit voln\u00fd pohyb v \u010distic\u00ed kapalin\u011b.  Dno n\u00e1dr\u017ee by m\u011blo b\u00fdt vyrovnan\u00e9, aby se transduktor optim\u00e1ln\u011b spojil s kapalinou.  D\u016fle\u017eit\u00e9 je tak\u00e9 zajistit spr\u00e1vnou akustickou izolaci, aby se minimalizoval hluk.<\/p>\n<h3>\u010cistic\u00ed kapalina a proces \u010di\u0161t\u011bn\u00ed<\/h3>\n<p>V\u00fdb\u011br vhodn\u00e9 \u010distic\u00ed kapaliny je kl\u00ed\u010dov\u00fd pro efektivitu \u010di\u0161t\u011bn\u00ed.  Speci\u00e1ln\u00ed \u010distic\u00ed roztoky pro gramofonov\u00e9 desky jsou ide\u00e1ln\u00ed, nicm\u00e9n\u011b vhodn\u00e9 jsou i destilovan\u00e1 voda s p\u0159\u00eddavkem jemn\u00e9ho detergentu.  Je d\u016fle\u017eit\u00e9 dodr\u017eovat doporu\u010den\u00e9 koncentrace a postupovat dle n\u00e1vodu v\u00fdrobce \u010distic\u00ed kapaliny.  D\u00e9lka ultrazvukov\u00e9ho \u010di\u0161t\u011bn\u00ed by se m\u011bla pohybovat v rozmez\u00ed n\u011bkolika minut a\u017e des\u00edtek minut v z\u00e1vislosti na stupni zne\u010di\u0161t\u011bn\u00ed desky a zvolen\u00e9 frekvenci a v\u00fdkonu.<\/p>\n<h3>Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/h3>\n<p>P\u0159i pr\u00e1ci s ultrazvukem je nutn\u00e9 dodr\u017eovat bezpe\u010dnostn\u00ed opat\u0159en\u00ed.  Vyvarujte se p\u0159\u00edm\u00e9mu kontaktu s ultrazvukov\u00fdm transduktorem b\u011bhem provozu.  Pou\u017e\u00edvejte ochrann\u00e9 pom\u016fcky, jako jsou rukavice a br\u00fdle.  V\u017edy odpojte za\u0159\u00edzen\u00ed od nap\u00e1jen\u00ed p\u0159ed \u010di\u0161t\u011bn\u00edm a \u00fadr\u017ebou.<\/p>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee konstrukce dom\u00e1c\u00edho ultrazvukov\u00e9ho \u010disti\u010de gramofonov\u00fdch desek s nastaviteln\u00fdm v\u00fdkonem a variabiln\u00ed frekvenc\u00ed je realizovateln\u00fd projekt, kter\u00fd m\u016f\u017ee zna\u010dn\u011b zlep\u0161it kvalitu a efektivitu \u010di\u0161t\u011bn\u00ed.  Spr\u00e1vn\u00fd v\u00fdb\u011br komponent\u016f a dodr\u017eov\u00e1n\u00ed bezpe\u010dnostn\u00edch opat\u0159en\u00ed je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed optim\u00e1ln\u00edch v\u00fdsledk\u016f a ochranu cenn\u00fdch gramofonov\u00fdch desek.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010cist\u011bn\u00ed gramofonov\u00fdch desek ultrazvukem je st\u00e1le popul\u00e1rn\u011bj\u0161\u00ed metoda, kter\u00e1 umo\u017e\u0148uje efektivn\u00ed a \u0161etrnou \u00fadr\u017ebu cenn\u00fdch nosi\u010d\u016f zvuku. Tradi\u010dn\u00ed metody \u010di\u0161t\u011bn\u00ed \u010dasto nedok\u00e1\u017eou odstranit ne\u010distoty z dr\u00e1\u017eek tak d\u016fkladn\u011b. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na konstrukci dom\u00e1c\u00edho ultrazvukov\u00e9ho \u010disti\u010de desek s nastaviteln\u00fdm v\u00fdkonem a variabiln\u00ed frekvenc\u00ed, \u010d\u00edm\u017e se zv\u00fd\u0161\u00ed efektivita a flexibilita procesu \u010di\u0161t\u011bn\u00ed. V\u00fdb\u011br ultrazvukov\u00e9ho transduktoru<\/p>\n","protected":false},"author":1,"featured_media":20025,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-61699","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\/61699","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=61699"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/61699\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/20025"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=61699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=61699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=61699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}