{"id":11938,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/the-efficiency-of-wireless-charging-zkoumani-vyhod-a-nevyhod\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"the-efficiency-of-wireless-charging-zkoumani-vyhod-a-nevyhod","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/the-efficiency-of-wireless-charging-zkoumani-vyhod-a-nevyhod\/","title":{"rendered":"The Efficiency of Wireless Charging. Zkoum\u00e1n\u00ed v\u00fdhod a nev\u00fdhod"},"content":{"rendered":"<div class=\"orig\">\n<div class=\"origqestion\">Jak prob\u00edh\u00e1 bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed?<\/div>\n<div class=\"origanswer\">Princip bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed Nab\u00edjen\u00ed prob\u00edh\u00e1 tak, \u017ee c\u00edvka um\u00edst\u011bn\u00e1 v bezdr\u00e1tov\u00e9 nab\u00edje\u010dce za\u010dne po p\u0159ipojen\u00ed ke zdroji (a\u0165 u\u017e elektrick\u00e9 s\u00edti, powerbance, po\u010d\u00edta\u010di a tak podobn\u011b) vytv\u00e1\u0159et magnetick\u00e9 pole, ze kter\u00e9ho c\u00edvka um\u00edst\u011bn\u00e1 v nab\u00edjen\u00e9m za\u0159\u00edzen\u00ed indukuje st\u0159\u00eddav\u00fd proud a nab\u00edj\u00ed akumul\u00e1tor.<\/div>\n<div class=\"origurl\">\n\t\t\t\t\t<span> Dal\u0161\u00ed informace najdete na<\/span> <a href=\"https:\/\/www.zbozi.cz\/magazin\/c\/jak-funguje-bezdratove-nabijeni\/#:~:text=Princip%20bezdr%C3%A1tov%C3%A9ho%20nab%C3%ADjen%C3%AD&amp;text=Nab%C3%ADjen%C3%AD%20prob%C3%ADh%C3%A1%20tak%2C%20%C5%BEe%20c%C3%ADvka,st%C5%99%C3%ADdav%C3%BD%20proud%20a%20nab%C3%ADj%C3%AD%20akumul%C3%A1tor.\">www.zbozi.cz<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n<div class=\"articlecontent\">\n<div class=\"newlinediv\"><\/div>\n<p> D\u00edky sv\u00e9 jednoduchosti a absenci nevzhledn\u00fdch kabel\u016f se bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed v posledn\u00edch letech t\u011b\u0161\u00ed st\u00e1le v\u011bt\u0161\u00ed oblib\u011b. Mnoho lid\u00ed v\u0161ak zpochyb\u0148uje \u00fa\u010dinnost t\u00e9to technologie a to, zda je srovnateln\u00e1 s klasick\u00fdm kabelov\u00fdm nab\u00edjen\u00edm. V tomto p\u0159\u00edsp\u011bvku prozkoum\u00e1me \u00fa\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed, zv\u00e1\u017e\u00edme jeho mo\u017en\u00e9 vylep\u0161en\u00ed, projdeme jeho nev\u00fdhody a porovn\u00e1me ho s kabelov\u00fdm nab\u00edjen\u00edm. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> \u00da\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed nen\u00ed bez probl\u00e9m\u016f. Syst\u00e9m p\u0159en\u00e1\u0161\u00ed energii z nab\u00edjec\u00ed podlo\u017eky do za\u0159\u00edzen\u00ed pomoc\u00ed elektromagnetick\u00e9 indukce nebo rezonance. P\u0159i tomto procesu doch\u00e1z\u00ed k ur\u010dit\u00fdm ztr\u00e1t\u00e1m energie ve form\u011b tepla, co\u017e sni\u017euje celkovou \u00fa\u010dinnost. Typick\u00e1 \u00fa\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed se pohybuje mezi 60 a 70 %, co\u017e znamen\u00e1, \u017ee 30 a\u017e 40 % energie se promarn\u00ed. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> V sou\u010dasn\u00e9 dob\u011b se usiluje o zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed. Jedn\u00edm ze zp\u016fsob\u016f je zv\u011bt\u0161en\u00ed prostoru mezi nab\u00edjen\u00fdm p\u0159\u00edstrojem a nab\u00edjec\u00ed podlo\u017ekou. V\u011bt\u0161ina sou\u010dasn\u00fdch bezdr\u00e1tov\u00fdch nab\u00edjec\u00edch podlo\u017eek mus\u00ed b\u00fdt bl\u00edzko sebe, aby dob\u0159e fungovaly. Aby bylo mo\u017en\u00e9 nab\u00edjet z v\u011bt\u0161\u00ed vzd\u00e1lenosti, sna\u017e\u00ed se odborn\u00edci d\u00edky technologick\u00e9mu v\u00fdvoji vzd\u00e1lenost zv\u011bt\u0161it. Nejen\u017ee by se t\u00edm zv\u00fd\u0161ilo pohodl\u00ed, ale tak\u00e9 by se sn\u00ed\u017eily energetick\u00e9 ztr\u00e1ty a p\u0159\u00edpadn\u011b by se zv\u00fd\u0161ila celkov\u00e1 \u00fa\u010dinnost. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Rezonan\u010dn\u00ed bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed p\u0159edstavuje jinou strategii pro zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti. Pomoc\u00ed t\u00e9to techniky lze nab\u00edjec\u00ed stanici a smartphone l\u00e9pe sladit, aby se maximalizoval p\u0159enos energie. Ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdm induk\u010dn\u00edm nab\u00edjen\u00edm m\u016f\u017ee bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed zalo\u017een\u00e9 na rezonanci dos\u00e1hnout vy\u0161\u0161\u00ed \u00fa\u010dinnosti. Je t\u0159eba upozornit na skute\u010dnost, \u017ee tyto pokroky se st\u00e1le zkoumaj\u00ed a zat\u00edm nejsou v\u0161eobecn\u011b dostupn\u00e9. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed m\u00e1 navzdory pohodl\u00ed, kter\u00e9 poskytuje, i sv\u00e9 nev\u00fdhody. Jak ji\u017e bylo uvedeno v\u00fd\u0161e, v\u00fdznamnou nev\u00fdhodou jsou energetick\u00e9 ztr\u00e1ty, kter\u00e9 vedou ke ztr\u00e1t\u00e1m energie a vy\u0161\u0161\u00ed spot\u0159eb\u011b elektrick\u00e9 energie. Krom\u011b toho, proto\u017ee nem\u016f\u017ee dod\u00e1vat stejn\u00e9 mno\u017estv\u00ed energie jako kabelov\u00e9 nab\u00edjen\u00ed, je bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed obvykle pomalej\u0161\u00ed ne\u017e kabelov\u00e9 nab\u00edjen\u00ed. Kdy\u017e pot\u0159ebujete rychle nab\u00edt sv\u016fj p\u0159\u00edstroj p\u0159ed odchodem z domu nebo kdy\u017e obecn\u011b z\u00e1le\u017e\u00ed na \u010dase, m\u016f\u017ee to b\u00fdt nev\u00fdhoda. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Ve srovn\u00e1n\u00ed s bezdr\u00e1tov\u00fdm nab\u00edjen\u00edm je kabelov\u00e9 nab\u00edjen\u00ed st\u00e1le efektivn\u011bj\u0161\u00ed. S pr\u016fm\u011brnou \u00fa\u010dinnost\u00ed 90-95 % nab\u00edz\u00ed kabelov\u00e9 nab\u00edjen\u00ed ni\u017e\u0161\u00ed energetick\u00e9 ztr\u00e1ty a rychlej\u0161\u00ed nab\u00edjen\u00ed. Na rozd\u00edl od v\u011bt\u0161iny syst\u00e9m\u016f bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed nav\u00edc kabelov\u00e9 nab\u00edjen\u00ed umo\u017e\u0148uje smartphone b\u011bhem nab\u00edjen\u00ed pou\u017e\u00edvat. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee kabelov\u00e9 nab\u00edjen\u00ed je i p\u0159es sv\u00e9 pohodl\u00ed \u00fa\u010dinn\u011bj\u0161\u00ed ne\u017e bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed. P\u0159esto\u017ee doch\u00e1z\u00ed ke zlep\u0161ov\u00e1n\u00ed jeho \u00fa\u010dinnosti, st\u00e1le je co zlep\u0161ovat. Mezi nev\u00fdhody, kter\u00e9 je t\u0159eba vz\u00edt v \u00favahu, pat\u0159\u00ed ztr\u00e1ta energie p\u0159i bezdr\u00e1tov\u00e9m nab\u00edjen\u00ed, del\u0161\u00ed doba nab\u00edjen\u00ed a omezen\u00ed vzd\u00e1lenosti. Rozhodnut\u00ed mezi bezdr\u00e1tov\u00fdm a konven\u010dn\u00edm nab\u00edjen\u00edm nakonec z\u00e1vis\u00ed na osobn\u00edch preferenc\u00edch a konkr\u00e9tn\u00edch pot\u0159eb\u00e1ch u\u017eivatele.<\/p><\/div>\n<div class=\"questions\">\n<div class=\"questionstitle\">FAQ<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je efektivn\u011bj\u0161\u00ed bezdr\u00e1tov\u00e9 nebo kabelov\u00e9 nab\u00edjen\u00ed?<\/div>\n<p> Tvrd\u00ed to \u010dl\u00e1nek &#8222;\u00da\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed&#8220;. \u00da\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed ve srovn\u00e1n\u00ed s kabelov\u00fdm nab\u00edjen\u00edm se m\u016f\u017ee li\u0161it v z\u00e1vislosti na \u0159ad\u011b faktor\u016f, jak je uvedeno v \u010dl\u00e1nku &#8222;Zkoum\u00e1n\u00ed v\u00fdhod a nev\u00fdhod&#8220;. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed je sice pohodln\u011bj\u0161\u00ed a odpad\u00e1 p\u0159i n\u011bm nutnost pou\u017e\u00edvat kabely, ale obvykle je m\u00e9n\u011b \u00fa\u010dinn\u00e9 ne\u017e b\u011b\u017en\u00e9 nab\u00edjen\u00ed. Je to proto, \u017ee bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed vyu\u017e\u00edv\u00e1 k p\u0159enosu energie elektromagnetick\u00e9 pole, co\u017e m\u016f\u017ee v\u00e9st ke ztr\u00e1t\u00e1m energie v d\u016fsledku vzd\u00e1lenosti mezi nab\u00edjec\u00ed podlo\u017ekou a za\u0159\u00edzen\u00edm a rozptylu tepla. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Naopak dr\u00e1tov\u00e9 nab\u00edjen\u00ed, nap\u0159\u00edklad pomoc\u00ed kabelu USB, nab\u00edz\u00ed p\u0159\u00edm\u00e9 spojen\u00ed mezi zdrojem energie a za\u0159\u00edzen\u00edm, co\u017e umo\u017e\u0148uje efektivn\u011bj\u0161\u00ed tok energie. Rychlej\u0161\u00ed nab\u00edjen\u00ed je mo\u017en\u00e9 d\u00edky vy\u0161\u0161\u00edmu v\u00fdkonu kabelov\u00e9ho nab\u00edjen\u00ed. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Obecn\u011b je kabelov\u00e9 nab\u00edjen\u00ed efektivn\u011bj\u0161\u00ed ne\u017e bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed, pokud je hlavn\u00edm hlediskem \u00fa\u010dinnost. Pro n\u011bkter\u00e9 spot\u0159ebitele v\u0161ak m\u016f\u017ee pohodl\u00ed a jednoduchost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed p\u0159ev\u00e1\u017eit nad m\u00edrn\u011b sn\u00ed\u017eenou \u00fa\u010dinnost\u00ed. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> Je bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed lep\u0161\u00ed ne\u017e nab\u00edjen\u00ed ze z\u00e1suvky?<\/div>\n<p> Bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed m\u00e1 ve srovn\u00e1n\u00ed s b\u011b\u017en\u00fdm nab\u00edjen\u00edm ze z\u00e1suvky sv\u00e9 v\u00fdhody i nev\u00fdhody. Vzhledem k tomu, \u017ee bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed nevy\u017eaduje kabely ani konektory, je jeho pou\u017e\u00edv\u00e1n\u00ed pohodln\u00e9 a jednoduch\u00e9. U\u017eivatel\u00e9 ji\u017e nemus\u00ed sv\u016fj chytr\u00fd telefon zapojovat do z\u00e1suvky, zat\u00edmco pou\u017e\u00edvaj\u00ed nab\u00edjec\u00ed podlo\u017eku nebo dokovac\u00ed stanici, co\u017e umo\u017e\u0148uje bezprobl\u00e9mov\u011bj\u0161\u00ed nab\u00edjen\u00ed. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> Na druhou stranu je bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed ve srovn\u00e1n\u00ed s nab\u00edjen\u00edm ze z\u00e1suvky \u010dasto pomalej\u0161\u00ed. Ni\u017e\u0161\u00ed \u00fa\u010dinnost a del\u0161\u00ed doba nab\u00edjen\u00ed mohou b\u00fdt d\u016fsledkem p\u0159enosu energie prost\u0159ednictv\u00edm elektromagnetick\u00e9ho pole. Bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed nav\u00edc vy\u017eaduje pou\u017eit\u00ed zvl\u00e1\u0161tn\u00edch nab\u00edjec\u00edch stanic nebo podlo\u017eek, co\u017e m\u016f\u017ee u\u017eivatel\u016fm p\u0159in\u00e9st dal\u0161\u00ed n\u00e1klady. <\/p>\n<div class=\"newlinediv\"><\/div>\n<p> O tom, zda je bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed v\u00fdhodn\u011bj\u0161\u00ed ne\u017e nab\u00edjen\u00ed ze z\u00e1suvky, nakonec rozhoduje volba a pot\u0159eby ka\u017ed\u00e9ho jednotlivce. Bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed m\u016f\u017ee b\u00fdt lep\u0161\u00ed volbou, pokud je va\u0161\u00edm hlavn\u00edm c\u00edlem pou\u017eitelnost a pohodl\u00ed. Tradi\u010dn\u00ed nab\u00edjen\u00ed ze z\u00e1suvky v\u0161ak m\u016f\u017ee b\u00fdt vhodn\u011bj\u0161\u00ed, pokud je rozhoduj\u00edc\u00ed rychlej\u0161\u00ed doba nab\u00edjen\u00ed a vy\u0161\u0161\u00ed \u00fa\u010dinnost. <\/p>\n<\/div>\n<div class=\"question\">\n<div class=\"qtitle\"> \u0160kod\u00ed bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed p\u0159es noc baterii?<\/div>\n<p> Tvrd\u00ed to \u010dl\u00e1nek &#8222;\u00da\u010dinnost bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed&#8220;. Zkoum\u00e1n\u00ed v\u00fdhod a nev\u00fdhod&#8220;, nemus\u00ed bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed p\u0159es noc nutn\u011b zkr\u00e1tit \u017eivotnost baterie. Je sice pravda, \u017ee p\u0159i bezdr\u00e1tov\u00e9m nab\u00edjen\u00ed vznik\u00e1 teplo, kter\u00e9 m\u00e1 potenci\u00e1l baterii \u010dasem oslabit, ale nov\u00e9 bezdr\u00e1tov\u00e9 nab\u00edje\u010dky jsou vyrobeny tak, aby tento probl\u00e9m \u0159e\u0161ily. V t\u011bchto nab\u00edje\u010dk\u00e1ch jsou zabudov\u00e1ny pokro\u010dil\u00e9 mechanismy regulace teploty, kter\u00e9 zabra\u0148uj\u00ed p\u0159eh\u0159\u00edv\u00e1n\u00ed a udr\u017euj\u00ed funk\u010dnost baterie v p\u0159ijateln\u00fdch mez\u00edch. Pro sn\u00ed\u017een\u00ed p\u0159\u00edpadn\u00fdch obav souvisej\u00edc\u00edch s bezdr\u00e1tov\u00fdm nab\u00edjen\u00edm se st\u00e1le doporu\u010duje pou\u017e\u00edvat nab\u00edje\u010dku dod\u00e1vanou v\u00fdrobcem za\u0159\u00edzen\u00ed nebo spolehlivou nab\u00edje\u010dku t\u0159et\u00ed strany.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Jak prob\u00edh\u00e1 bezdr\u00e1tov\u00e9 nab\u00edjen\u00ed? Princip bezdr\u00e1tov\u00e9ho nab\u00edjen\u00ed Nab\u00edjen\u00ed prob\u00edh\u00e1 tak, \u017ee c\u00edvka um\u00edst\u011bn\u00e1 v bezdr\u00e1tov\u00e9 nab\u00edje\u010dce za\u010dne po p\u0159ipojen\u00ed ke zdroji (a\u0165 u\u017e elektrick\u00e9 s\u00edti, powerbance, po\u010d\u00edta\u010di a tak podobn\u011b) vytv\u00e1\u0159et magnetick\u00e9 pole, ze kter\u00e9ho c\u00edvka um\u00edst\u011bn\u00e1 v nab\u00edjen\u00e9m za\u0159\u00edzen\u00ed indukuje st\u0159\u00eddav\u00fd proud a nab\u00edj\u00ed akumul\u00e1tor. Dal\u0161\u00ed informace najdete na www.zbozi.cz D\u00edky sv\u00e9 jednoduchosti a &#8230; <a title=\"The Efficiency of Wireless Charging. Zkoum\u00e1n\u00ed v\u00fdhod a nev\u00fdhod\" class=\"read-more\" href=\"https:\/\/tech-lib.eu\/tech\/the-efficiency-of-wireless-charging-zkoumani-vyhod-a-nevyhod\/\" aria-label=\"\u010c\u00edst v\u00edce o The Efficiency of Wireless Charging. Zkoum\u00e1n\u00ed v\u00fdhod a nev\u00fdhod\">\u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":283,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2665],"tags":[],"class_list":["post-11938","post","type-post","status-publish","format-standard","hentry","category-bezdratove-nabijeni"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/283"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=11938"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/11938\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=11938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=11938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=11938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}