[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.arcr.cz\/zdroje-napajeni\/#Article","mainEntityOfPage":"https:\/\/www.arcr.cz\/zdroje-napajeni\/","headline":"Zdroje nap\u00e1jen\u00ed","name":"Zdroje nap\u00e1jen\u00ed","description":"Nap\u00e1jec\u00ed zdroje jsou d\u016fle\u017eitou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9ho po\u010d\u00edta\u010dov\u00e9ho syst\u00e9mu. Nap\u00e1jec\u00ed zdroj je to, co p\u0159ev\u00e1d\u00ed elektrick\u00fd proud ze z\u00e1suvky na n\u00edzkonap\u011b\u0165ov\u00fd stejnosm\u011brn\u00fd proud (DC), kter\u00fd pou\u017e\u00edvaj\u00ed po\u010d\u00edta\u010de a kter\u00fd se m\u016f\u017ee li\u0161it podle toho, kolik watt\u016fContinue reading<\/a>","datePublished":"2021-09-27","dateModified":"2023-08-21","author":{"@type":"Person","@id":"https:\/\/www.arcr.cz\/author\/#Person","name":"arcr.cz\n","url":"https:\/\/www.arcr.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/5522eb0fc8481dea5f6519f6a0b15ee2c46358d48429b281fd7c49cbb5a929f9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/5522eb0fc8481dea5f6519f6a0b15ee2c46358d48429b281fd7c49cbb5a929f9?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"arcr.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.arcr.cz\/wp-content\/uploads\/pexels-pixabay-459411_uy3xbj.jpg","url":"https:\/\/www.arcr.cz\/wp-content\/uploads\/pexels-pixabay-459411_uy3xbj.jpg","height":0,"width":0},"url":"https:\/\/www.arcr.cz\/zdroje-napajeni\/","about":["N\u00e1kupy"],"wordCount":602,"articleBody":" Nap\u00e1jec\u00ed zdroje jsou d\u016fle\u017eitou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9ho po\u010d\u00edta\u010dov\u00e9ho syst\u00e9mu. Nap\u00e1jec\u00ed zdroj je to, co p\u0159ev\u00e1d\u00ed elektrick\u00fd proud ze z\u00e1suvky na n\u00edzkonap\u011b\u0165ov\u00fd stejnosm\u011brn\u00fd proud (DC), kter\u00fd pou\u017e\u00edvaj\u00ed po\u010d\u00edta\u010de a kter\u00fd se m\u016f\u017ee li\u0161it podle toho, kolik watt\u016f v\u00e1\u0161 po\u010d\u00edta\u010d pot\u0159ebuje. Je d\u016fle\u017eit\u00e9, abyste p\u0159ed n\u00e1kupem v\u011bd\u011bli v\u0161e o nap\u00e1jec\u00edch zdroj\u00edch, proto\u017ee je k dispozici mnoho r\u016fzn\u00fdch model\u016f a m\u016f\u017ee b\u00fdt obt\u00ed\u017en\u00e9 vybrat ten, kter\u00fd je vhodn\u00fd pro va\u0161e pot\u0159eby. Podle c\u00edlov\u00e9ho pou\u017eit\u00ed se nap\u00e1jec\u00ed zdroje d\u011bl\u00ed na: otev\u0159en\u00e9 (do pouzdra), vestavn\u00e9 (do desky nebo za\u0159\u00edzen\u00ed), na li\u0161tu DIN (p\u0159edev\u0161\u00edm pro za\u0159\u00edzen\u00ed pr\u016fmyslov\u00e9 automatizace), LED (pro osv\u011btlovac\u00ed syst\u00e9my), z\u00e1suvn\u00e9 (extern\u00ed, zasunut\u00e9 do s\u00ed\u0165ov\u00e9 z\u00e1suvky), stoln\u00ed (extern\u00ed, v plastov\u00e9m pouzd\u0159e) pro notebooky (pro p\u0159enosn\u00e9 po\u010d\u00edta\u010de), PoE (pro nap\u00e1jen\u00ed za\u0159\u00edzen\u00ed p\u0159es Ethernet), PC a UPS. Po\u017eadavky na nap\u00e1jen\u00ed se mohou zna\u010dn\u011b li\u0161it v z\u00e1vislosti na komponent\u00e1ch a konfiguraci po\u010d\u00edta\u010de. Nap\u0159\u00edklad: z\u00e1kladn\u00ed dom\u00e1c\u00ed stoln\u00ed po\u010d\u00edta\u010d bude obvykle pot\u0159ebovat m\u00e9n\u011b ne\u017e 100 W, zat\u00edmco \u0161pi\u010dkov\u00e9 grafick\u00e9 karty pro pracovn\u00ed stanice \u010dasto vy\u017eaduj\u00ed 500 W nebo v\u00edce energie! Je d\u016fle\u017eit\u00e9 naj\u00edt zdroj, kter\u00fd bude dod\u00e1vat dostate\u010dn\u00fd proud pro va\u0161e po\u010d\u00edta\u010dov\u00e9 komponenty, ale ne p\u0159\u00edli\u0161 velk\u00fd. Pokud si koup\u00edte jednotku s nedostate\u010dn\u00fdm v\u00fdkonem, m\u016f\u017ee to v\u00e9st k p\u00e1du syst\u00e9mu kv\u016fli chyb\u00e1m pam\u011bti nebo procesoru; pokud si vyberete jednotku s v\u011bt\u0161\u00edm v\u00fdkonem, ne\u017e je pot\u0159eba, m\u016f\u017ee to v\u00e9st k nadm\u011brn\u00e9mu zah\u0159\u00edv\u00e1n\u00ed a hluku zp\u016fsoben\u00e9mu ventil\u00e1tory, kter\u00e9 b\u011b\u017e\u00ed rychleji, ne\u017e je nutn\u00e9. P\u0159i v\u00fdb\u011bru nov\u00e9ho zdroje nap\u00e1jen\u00ed je t\u0159eba zohlednit p\u011bt z\u00e1kladn\u00edch parametr\u016f: v\u00fdstupn\u00ed nap\u011bt\u00ed, po\u010det v\u00fdstup\u016f\/zdroj\u016f, z\u00e1t\u011b\u017eov\u00fd proud (v\u00fdkon), rozsah vstupn\u00edho nap\u011bt\u00ed a \u00fa\u010dinnost. Pro c\u00edlovou aplikaci jsou nesm\u00edrn\u011b d\u016fle\u017eit\u00e9 mechanick\u00e9 vlastnosti PSU – tj. typ pouzdra, rozm\u011bry a zp\u016fsob mont\u00e1\u017ee, jako\u017e i vestav\u011bn\u00e9 ochrann\u00e9 prvky, jako jsou obvody ochrany proti p\u0159ep\u011bt\u00ed\/p\u0159ep\u011bt\u00ed\/\u0161pi\u010dce. OCHRANY NAP\u00c1JEC\u00cdCH ZDROJ\u016e Nap\u00e1jec\u00ed zdroje m\u00e1 obvykle zabudovanou ochranu proti p\u0159eh\u0159\u00e1t\u00ed, p\u0159ekro\u010den\u00ed p\u0159\u00edpustn\u00e9ho zat\u011b\u017eovac\u00edho proudu a p\u0159\u00edli\u0161 vysok\u00e9mu v\u00fdstupn\u00edmu nap\u011bt\u00ed. Nadproudov\u00e1 ochrana m\u016f\u017ee b\u00fdt jednoduch\u00e1 (pojistka na v\u00fdstupu) nebo slo\u017eit\u00e1, elektronick\u00e1, zahrnuj\u00edc\u00ed omezen\u00ed v\u00fdstupn\u00edho proudu. Impulsn\u00ed zdroje mohou m\u00edt tak\u00e9 vestav\u011bnou ochranu proti p\u0159\u00edli\u0161 n\u00edzk\u00e9mu nap\u00e1jec\u00edmu nap\u011bt\u00ed a p\u0159ekro\u010den\u00ed vstupn\u00edho nap\u011bt\u00ed. Existuj\u00ed dva hlavn\u00ed typy modern\u00edch nap\u00e1jec\u00edch zdroj\u016f pro PC: ATX12V v.s EPS12V. Prvn\u00ed z nich se pou\u017e\u00edv\u00e1 pro v\u011bt\u0161inu standardn\u00edch po\u010d\u00edta\u010d\u016f; nen\u00ed v\u0161ak kompatibiln\u00ed s n\u011bkter\u00fdmi star\u00fdmi z\u00e1kladn\u00edmi deskami, kter\u00e9 pou\u017e\u00edvaj\u00ed zastaral\u00e9 20kol\u00edkov\u00e9 rozhran\u00ed nam\u00edsto 24kol\u00edkov\u00e9ho, kter\u00e9 se dnes pou\u017e\u00edv\u00e1 ve v\u0161ech nov\u00fdch syst\u00e9mech. M\u00e1 \u010dty\u0159i dal\u0161\u00ed piny pro zaji\u0161t\u011bn\u00ed dodate\u010dn\u00e9ho nap\u00e1jen\u00ed +12 VDC, kter\u00e9 vy\u017eaduje \u010dipov\u00e1 sada z\u00e1kladn\u00ed desky. 5\/5 - (1 vote) "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Zdroje nap\u00e1jen\u00ed","item":"https:\/\/www.arcr.cz\/zdroje-napajeni\/#breadcrumbitem"}]}]