{"id":56896,"date":"2023-04-25T16:41:58","date_gmt":"2023-04-25T21:41:58","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-does-a-transducer-look-like\/"},"modified":"2025-01-27T06:16:19","modified_gmt":"2025-01-27T11:16:19","slug":"what-does-a-transducer-look-like","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/what-does-a-transducer-look-like\/","title":{"rendered":"Jak vypad\u00e1 sn\u00edma\u010d? Druhy a vzhled p\u0159evodn\u00edk\u016f"},"content":{"rendered":"<p>P\u0159evodn\u00edk \u2013 jeho podoba je nesm\u00edrn\u011b rozmanit\u00e1 a z\u00e1vis\u00ed na jeho funkci a aplika\u010dn\u00edm prost\u0159ed\u00ed.  Nen\u00ed jednotn\u00fd design, kter\u00fd by charakterizoval v\u0161echny p\u0159evodn\u00edky.  Od miniaturn\u00edch senzor\u016f v l\u00e9ka\u0159sk\u00fdch za\u0159\u00edzen\u00edch a\u017e po robustn\u00ed pr\u016fmyslov\u00e9 sondy \u2013 rozmanitost je ohromuj\u00edc\u00ed.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na vizu\u00e1ln\u00ed aspekty r\u016fzn\u00fdch typ\u016f p\u0159evodn\u00edk\u016f, s d\u016frazem na to, co je pro n\u011b spole\u010dn\u00e9 a co je odli\u0161uje.<\/p>\n<h3>Tvary a velikosti ultrazvukov\u00fdch p\u0159evodn\u00edk\u016f<\/h3>\n<p>Ultrazvukov\u00e9 p\u0159evodn\u00edky, \u010dasto vyu\u017e\u00edvan\u00e9 v pr\u016fmyslu, medic\u00edn\u011b i v\u00fdzkumu, se li\u0161\u00ed v z\u00e1vislosti na po\u017eadovan\u00e9 frekvenci a aplikaci.  Mohou m\u00edt tvar disku, v\u00e1lce, ku\u017eele, nebo i slo\u017eit\u011bj\u0161\u00ed geometrick\u00e9 tvary.  Velikost se pohybuje od n\u011bkolika milimetr\u016f a\u017e po des\u00edtky centimetr\u016f v pr\u016fm\u011bru.  Nap\u0159\u00edklad  Beijing Ultrasonic nab\u00edz\u00ed \u0161irokou paletu ultrazvukov\u00fdch p\u0159evodn\u00edk\u016f s r\u016fzn\u00fdmi tvary a rozm\u011bry, optimalizovan\u00fdmi pro specifick\u00e9 \u00falohy.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Typ p\u0159evodn\u00edku<\/th>\n<th>Tvar<\/th>\n<th>Velikost (p\u0159ibli\u017en\u00e1)<\/th>\n<th>Aplikace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kontaktn\u00ed<\/td>\n<td>Disk, v\u00e1lec<\/td>\n<td>10-50 mm pr\u016fm\u011br<\/td>\n<td>Pr\u016fmyslov\u00e1 nedestruktivn\u00ed kontrola<\/td>\n<\/tr>\n<tr>\n<td>Ponorn\u00fd<\/td>\n<td>V\u00e1lec, ku\u017eel<\/td>\n<td>20-100 mm d\u00e9lka<\/td>\n<td>Kontrola materi\u00e1l\u016f v kapalin\u00e1ch<\/td>\n<\/tr>\n<tr>\n<td>Phased array<\/td>\n<td>Ploch\u00e1 deska s v\u00edce prvky<\/td>\n<td>Variabiln\u00ed, z\u00e1vis\u00ed na konfiguraci<\/td>\n<td>L\u00e9ka\u0159sk\u00e1 diagnostika, pr\u016fmyslov\u00e1 kontrola<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Materi\u00e1ly a konstrukce<\/h3>\n<p>Konstrukce p\u0159evodn\u00edku z\u00e1vis\u00ed na jeho funkci a prost\u0159ed\u00ed, ve kter\u00e9m bude pracovat.  Pou\u017e\u00edvan\u00e9 materi\u00e1ly zahrnuj\u00ed keramick\u00e9 piezoelektrick\u00e9 materi\u00e1ly (nap\u0159. PZT), kter\u00e9 generuj\u00ed a detekuj\u00ed ultrazvukov\u00e9 vlny, kovov\u00e9 pouzdra pro ochranu a zlep\u0161en\u00ed tepeln\u00e9ho odvodu, a r\u016fzn\u00e9 typy kabel\u00e1\u017ee pro p\u0159ipojen\u00ed k elektronick\u00e9mu obvodu.  Ponorn\u00e9 p\u0159evodn\u00edky \u010dasto obsahuj\u00ed vodot\u011bsnou membr\u00e1nu a ochrann\u00e9 vrstvy.  V n\u011bkter\u00fdch aplikac\u00edch se pou\u017e\u00edvaj\u00ed i speci\u00e1ln\u00ed ochrann\u00e9 povlaky pro odolnost proti korozi nebo opot\u0159eben\u00ed.<\/p>\n<h3>Typick\u00e9 znaky p\u0159evodn\u00edk\u016f<\/h3>\n<p>Bez ohledu na typ a aplikaci, v\u011bt\u0161ina p\u0159evodn\u00edk\u016f sd\u00edl\u00ed n\u011bkolik spole\u010dn\u00fdch rys\u016f:  konektor pro p\u0159ipojen\u00ed k elektronick\u00e9mu za\u0159\u00edzen\u00ed, ochrann\u00e9 pouzdro, a samotn\u00fd piezoelektrick\u00fd element.  U kontaktn\u00edch p\u0159evodn\u00edk\u016f je \u010dasto viditeln\u00e1 akustick\u00e1 \u010do\u010dka, kter\u00e1 soust\u0159ed\u00ed ultrazvukov\u00e9 vlny.  Phased array p\u0159evodn\u00edky se vyzna\u010duj\u00ed mno\u017estv\u00edm mal\u00fdch piezoelektrick\u00fdch element\u016f uspo\u0159\u00e1dan\u00fdch na plo\u0161e.  Vzhled se li\u0161\u00ed dle v\u00fdrobce a specifick\u00fdch po\u017eadavk\u016f aplikace, ale tyto z\u00e1kladn\u00ed rysy z\u016fst\u00e1vaj\u00ed.<\/p>\n<h3>P\u0159\u00edklady r\u016fzn\u00fdch typ\u016f p\u0159evodn\u00edk\u016f<\/h3>\n<p>Na obr\u00e1zku by se dalo uk\u00e1zat n\u011bkolik p\u0159\u00edklad\u016f r\u016fzn\u00fdch typ\u016f p\u0159evodn\u00edk\u016f \u2013 od mal\u00e9ho kontaktn\u00edho senzoru, p\u0159es v\u011bt\u0161\u00ed ponorn\u00fd p\u0159evodn\u00edk, a\u017e po slo\u017eit\u011bj\u0161\u00ed phased array syst\u00e9m.  Bohu\u017eel, v textov\u00e9 form\u011b je to obt\u00ed\u017en\u00e9.  D\u016fle\u017eit\u00e9 je, \u017ee jejich podoba  je v\u017edy \u00fazce spjata s jejich funkc\u00ed a c\u00edlenou aplikac\u00ed.<\/p>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee vzhled p\u0159evodn\u00edku je zna\u010dn\u011b z\u00e1visl\u00fd na jeho funk\u010dn\u00edm ur\u010den\u00ed a konstruk\u010dn\u00edm \u0159e\u0161en\u00ed.  Neexistuje univerz\u00e1ln\u00ed podoba.  Od miniaturn\u00edch senzor\u016f a\u017e po velk\u00e9 pr\u016fmyslov\u00e9 sondy se rozmanitost projevuje v tvarech, velikostech, pou\u017eit\u00fdch materi\u00e1lech a celkov\u00e9 konstrukci.  Pochopen\u00ed t\u00e9to rozmanitosti je kl\u00ed\u010dov\u00e9 pro spr\u00e1vnou volbu p\u0159evodn\u00edku pro specifickou aplikaci.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159evodn\u00edk \u2013 jeho podoba je nesm\u00edrn\u011b rozmanit\u00e1 a z\u00e1vis\u00ed na jeho funkci a aplika\u010dn\u00edm prost\u0159ed\u00ed. Nen\u00ed jednotn\u00fd design, kter\u00fd by charakterizoval v\u0161echny p\u0159evodn\u00edky. Od miniaturn\u00edch senzor\u016f v l\u00e9ka\u0159sk\u00fdch za\u0159\u00edzen\u00edch a\u017e po robustn\u00ed pr\u016fmyslov\u00e9 sondy \u2013 rozmanitost je ohromuj\u00edc\u00ed. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na vizu\u00e1ln\u00ed aspekty r\u016fzn\u00fdch typ\u016f p\u0159evodn\u00edk\u016f, s d\u016frazem na to, co je pro<\/p>\n","protected":false},"author":1,"featured_media":26481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-56896","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\/56896","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=56896"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/56896\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/26481"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=56896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=56896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=56896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}