{"id":3197,"date":"2023-02-07T07:19:45","date_gmt":"2023-02-07T07:19:45","guid":{"rendered":"https:\/\/3.212.105.250\/?p=3197"},"modified":"2025-07-26T16:29:27","modified_gmt":"2025-07-26T22:29:27","slug":"kratky-uvod-do-mereni-zvlneni-a-prechodovych-deju","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cs\/2023\/02\/07\/kratky-uvod-do-mereni-zvlneni-a-prechodovych-deju\/","title":{"rendered":"Kr\u00e1tk\u00fd \u00favod do m\u011b\u0159en\u00ed zvln\u011bn\u00ed a p\u0159echodov\u00fdch jev\u016f"},"content":{"rendered":"

Do\u0161lo k poru\u0161e nebo z\u00e1vad\u011b zdroje nap\u00e1jen\u00ed? Zavolejte soudn\u00edho znalce, aby na zdroji provedl m\u011b\u0159en\u00ed zvln\u011bn\u00ed a p\u0159echodov\u00fdch jev\u016f. V tomto kr\u00e1tk\u00e9m \u00favodu do specifikac\u00ed p\u0159echodov\u00fdch jev\u016f a zvln\u011bn\u00ed bude nast\u00edn\u011bna funkce \u00fadaj\u016f o zvln\u011bn\u00ed a p\u0159echodov\u00fdch jevech a budou probr\u00e1ny \u00fa\u010dinn\u00e9 metody m\u011b\u0159en\u00ed.<\/p>\n

Co je to zvln\u011bn\u00e9 nap\u011bt\u00ed?<\/h2>\n

V oblasti elektroniky je zvln\u011bn\u00ed nap\u011bt\u00ed zbytkov\u00e1 stejnosm\u011brn\u00e1 (stejnosm\u011brn\u00e1) slo\u017eka nap\u00e1jen\u00ed, kter\u00e1 se vnit\u0159n\u011b p\u0159ep\u00edn\u00e1 ze zdroje st\u0159\u00eddav\u00e9ho proudu. Z\u00e1t\u011b\u017e, neboli \u010d\u00e1st obvodu, kter\u00e1 spot\u0159ebov\u00e1v\u00e1 energii, m\u00e1 hodnotu p\u0159\u00edm\u00fd \u00fa\u010dinek<\/a> na mno\u017estv\u00ed zvln\u011bn\u00ed. M\u011b\u0159en\u00ed zvln\u011bn\u00ed na nap\u00e1jec\u00edm zdroji obecn\u011b vy\u017eaduje, aby byla z\u00e1t\u011b\u017e pln\u00e1, aby byly zaji\u0161t\u011bny p\u0159esn\u00e9 v\u00fdsledky.<\/p>\n

M\u011b\u0159en\u00ed zvln\u011bn\u00ed nap\u011bt\u00ed<\/h2>\n

Chcete-li z\u00edskat p\u0159esn\u00e9 a u\u017eite\u010dn\u00e9 v\u00fdsledky m\u011b\u0159en\u00ed zvln\u011bn\u00ed nap\u011bt\u00ed, je t\u0159eba m\u00edt k dispozici\u00a0forenzn\u00ed in\u017een\u00fdrsk\u00e9 slu\u017eby<\/a>\u00a0otestuje nap\u00e1jec\u00ed zdroj p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed a p\u0159i r\u016fzn\u00fdch vstupn\u00edch nap\u011bt\u00edch. K m\u011b\u0159en\u00ed se pou\u017e\u00edv\u00e1 jedin\u00e1 sonda osciloskopu, kter\u00e1 se um\u00edst\u00ed bu\u010f p\u0159es v\u00fdstupn\u00ed kondenz\u00e1tor, nebo p\u0159es extern\u00ed kondenz\u00e1tor ur\u010den\u00fd v\u00fdrobcem.<\/p>\n

Co je p\u0159echodov\u00e1 odezva?<\/h2>\n

Na str\u00e1nk\u00e1ch zat\u00ed\u017een\u00ed (popsan\u00e9 v\u00fd\u0161e) nen\u00ed obecn\u011b na pln\u00fd v\u00fdkon.<\/a> po celou dobu. Kdy\u017e se z\u00e1t\u011b\u017e zm\u011bn\u00ed, zm\u011bn\u00ed se s n\u00ed i v\u00fdstupn\u00ed nap\u011bt\u00ed, \u010d\u00edm\u017e vznikne p\u0159echodov\u00e1 odezva, jak se obvod p\u0159izp\u016fsobuje. \u00darove\u0148 p\u0159echodov\u00e9 odezvy ur\u010duje, jak rychle se zdroj dok\u00e1\u017ee zotavit z n\u00e1hl\u00e9 zm\u011bny nap\u011bt\u00ed. elektrick\u00e1 z\u00e1t\u011b\u017e<\/a>.<\/p>\n

M\u011b\u0159en\u00ed p\u0159echodov\u00e9 odezvy<\/h2>\n

Zat\u00edmco k m\u011b\u0159en\u00ed zvln\u011bn\u00ed nap\u011bt\u00ed je zapot\u0159eb\u00ed pouze jedna sonda osciloskopu, technik pou\u017eije dv\u011b sondy, aby z\u00edskal p\u0159esn\u00fd \u00fadaj o p\u0159echodov\u00e9 odezv\u011b. Prvn\u00ed sondu um\u00edst\u00ed nap\u0159\u00ed\u010d v\u00fdstupem nap\u00e1jec\u00edho zdroje a druhou sondu pou\u017eije s proudem nebo se sign\u00e1lem sou\u010dasn\u011b se zm\u011bnou z\u00e1t\u011b\u017ee zdroje. Tato druh\u00e1 sonda bude fungovat jako spou\u0161\u0165, tak\u017ee bude jasn\u011b vid\u011bt odchylka v\u00fdstupn\u00edho nap\u011bt\u00ed.<\/p>\n

Osciloskopick\u00e9 techniky<\/h2>\n

Technik, kter\u00fd testuje v\u00e1\u0161 nap\u00e1jec\u00ed zdroj, pou\u017eije ke sn\u00edm\u00e1n\u00ed osciloskop. Existuj\u00ed dv\u011b \u00fa\u010dinn\u00e9 techniky, kter\u00e9 minimalizuj\u00ed<\/a> vytvo\u0159it smy\u010dku (smy\u010dky), aby byly zaji\u0161t\u011bny p\u0159esn\u00e9 v\u00fdsledky.<\/p>\n

Tip and Barrel<\/h2>\n

Jedno m\u011b\u0159en\u00ed metoda spo\u010d\u00edv\u00e1 v odstran\u011bn\u00ed zeminy<\/a> kryt a klip sondy tak, aby byl odkryt\u00fd hrot i t\u011blo sondy. Technik p\u0159ipoj\u00ed odkryt\u00fd hrot k v\u00fdstupn\u00edmu nap\u011bt\u00ed a naklon\u00ed hlave\u0148 tak, aby se dot\u00fdkala zem\u011b v m\u00edst\u011b pobl\u00ed\u017e hrotu.<\/p>\n

Paperclip<\/h2>\n

Tato metoda je podobn\u00e1 metod\u011b s hrotem a hlavic\u00ed, ale nav\u00edc je kolem hlavice sondy namot\u00e1n mal\u00fd dr\u00e1tek. Kr\u00e1tk\u00e9 veden\u00ed dr\u00e1tu vytv\u00e1\u0159\u00ed na sond\u011b hrot podobn\u00fd pinzet\u011b, co\u017e umo\u017e\u0148uje flexibilitu um\u00edst\u011bn\u00ed a z\u00e1rove\u0148 zachov\u00e1v\u00e1 malou a omezenou plochu smy\u010dky.<\/p>\n

P\u0159esn\u00e9 m\u011b\u0159en\u00ed zvln\u011bn\u00ed a p\u0159echodov\u00fdch jev\u016f pom\u016f\u017ee soudn\u00edmu znalci ur\u010dit p\u0159\u00ed\u010dinu poruchy elektrick\u00e9ho proudu. My v Dreiym Engineering douf\u00e1me, \u017ee v\u00e1m tento kr\u00e1tk\u00fd \u00favod pomohl pochopit tato dv\u011b z\u00e1kladn\u00ed m\u011b\u0159en\u00ed obvod\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

Has your power supply failed or malfunctioned? Call a forensic engineer to perform ripple and transient measuring on the supply. This short intro to transient and ripple specifications will outline the function of ripple and transient data and discuss effective measurement methods. What Is Ripple Voltage? In the electronic field, ripple voltage is the residual […]<\/p>\n","protected":false},"author":8,"featured_media":3293,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":165,"footnotes":""},"categories":[4,7],"tags":[],"class_list":["post-3197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical","category-engineering"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t