[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.omniacs.cz\/led-diody-v-montaznich-prenosnych-lampach\/#Article","mainEntityOfPage":"https:\/\/www.omniacs.cz\/led-diody-v-montaznich-prenosnych-lampach\/","headline":"LED diody v mont\u00e1\u017en\u00edch p\u0159enosn\u00fdch lamp\u00e1ch","name":"LED diody v mont\u00e1\u017en\u00edch p\u0159enosn\u00fdch lamp\u00e1ch","description":"Kdybychom byli odk\u00e1z\u00e1ni pouze na denn\u00ed sv\u011btlo, v\u011bt\u0161ina staveb by mohla b\u00fdt dokon\u010dena jen st\u011b\u017e\u00ed. Um\u011bl\u00e9ho elektrick\u00e9ho osv\u011btlen\u00ed \u010dlov\u011bk vyu\u017e\u00edv\u00e1 ji\u017e v\u00edce ne\u017e sto let a po celou tu dobu se na ka\u017ed\u00e9m staveni\u0161ti lid\u00e9 setk\u00e1vali s pomocn\u00fdmi sv\u011bteln\u00fdmi zdroji, s tzv. p\u0159enoskami. Jsou to zpravidla kruhov\u00e9 nebo obd\u00e9ln\u00edkov\u00e9 reflektory zav\u011b\u0161en\u00e9 v pevn\u00e9m nebo oto\u010dn\u00e9m...

P\u0159e\u010d\u00edst “LED diody v mont\u00e1\u017en\u00edch p\u0159enosn\u00fdch lamp\u00e1ch”<\/span> »<\/a><\/p>","datePublished":"2018-06-22","dateModified":"2023-06-14","author":{"@type":"Person","@id":"https:\/\/www.omniacs.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.omniacs.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/a6945111a6684c356ffa2edea93eeeab9450e38d2439d8ecd0a625f734db9218?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/a6945111a6684c356ffa2edea93eeeab9450e38d2439d8ecd0a625f734db9218?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"omniacs.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.omniacs.cz\/wp-content\/uploads\/img_a321527_w1735_t1532766445.jpg","url":"https:\/\/www.omniacs.cz\/wp-content\/uploads\/img_a321527_w1735_t1532766445.jpg","height":0,"width":0},"url":"https:\/\/www.omniacs.cz\/led-diody-v-montaznich-prenosnych-lampach\/","wordCount":437,"articleBody":"Kdybychom byli odk\u00e1z\u00e1ni pouze na denn\u00ed sv\u011btlo, v\u011bt\u0161ina staveb by mohla b\u00fdt dokon\u010dena jen st\u011b\u017e\u00ed. Um\u011bl\u00e9ho elektrick\u00e9ho osv\u011btlen\u00ed \u010dlov\u011bk vyu\u017e\u00edv\u00e1 ji\u017e v\u00edce ne\u017e sto let a po celou tu dobu se na ka\u017ed\u00e9m staveni\u0161ti lid\u00e9 setk\u00e1vali s pomocn\u00fdmi sv\u011bteln\u00fdmi zdroji, s tzv. p\u0159enoskami. Jsou to zpravidla kruhov\u00e9 nebo obd\u00e9ln\u00edkov\u00e9 reflektory zav\u011b\u0161en\u00e9 v pevn\u00e9m nebo oto\u010dn\u00e9m stojanu, polohovateln\u00e9 ve vertik\u00e1ln\u00edm i horizont\u00e1ln\u00edm sm\u011bru. Halogenov\u00e9 reflektory V druh\u00e9 polovin\u011b 20. stolet\u00ed v t\u00e9to oblasti pln\u011b dominovaly halogenov\u00e9 \u017e\u00e1rovky. V\u00fdhodou byl obrovsk\u00fd sv\u011bteln\u00fd tok a dokonal\u00fd osvit i relativn\u011b velk\u00e9 pracovn\u00ed plochy. Fenomen\u00e1ln\u00ed zdroj sv\u011btla v\u0161ak zast\u00ednila jeho enormn\u00ed spot\u0159eba elektrick\u00e9ho proudu a rovn\u011b\u017e nep\u0159ijateln\u00e9 mno\u017estv\u00ed vyza\u0159ovan\u00e9ho tepla. Sv\u011bteln\u00e9 zdroje musely b\u00fdt um\u00edst\u011bny mimo dosah ho\u0159lav\u00fdch materi\u00e1l\u016f, p\u0159i\u010dem\u017e k necht\u011bn\u00fdm po\u017e\u00e1r\u016fm tak\u00e9 ob\u010das doch\u00e1zelo. LED diody v pracovn\u00edm osv\u011btlen\u00ed Maj\u00ed ve srovn\u00e1n\u00ed s halogeny \u0159adu v\u00fdhod. V prvn\u00ed \u0159ad\u011b emituj\u00ed chladn\u011bj\u0161\u00ed barvu namodral\u00e9ho b\u00edl\u00e9ho sv\u011btla, co\u017e se projev\u00ed na pracovn\u00ed v\u00fdkonnosti. Je zn\u00e1mo, \u017ee tepl\u00e9 barvy osv\u011btlen\u00ed zvy\u0161uj\u00ed koncentraci melatoninu a ten je zodpov\u011bdn\u00fd za kvalitn\u00ed sp\u00e1nek, co\u017e ov\u0161em nen\u00ed v bd\u011bl\u00e9m stavu na pracovi\u0161ti \u017e\u00e1douc\u00ed . P\u0159ednost\u00ed je tak\u00e9 tak\u0159ka nulov\u00e9 mno\u017estv\u00ed tepeln\u00e9ho z\u00e1\u0159en\u00ed. Diody samotn\u00e9 \u017e\u00e1dn\u00e9 teplo nevyd\u00e1vaj\u00ed, pouze minimum tepla vyza\u0159uje nap\u00e1jec\u00ed zdroj, co\u017e je ve srovn\u00e1n\u00ed s halogenov\u00fdm sv\u011btlem zanedbateln\u00e9. A dal\u0161\u00ed podstatnou v\u00fdhodou je extr\u00e9mn\u011b dlouh\u00e1 \u017eivotnost, kter\u00e1 p\u0159esahuje i 50 tis\u00edc hodin. Polovodi\u010dov\u00e9 osv\u011btlen\u00ed je z\u00e1rove\u0148 zdrojem sv\u011btla o vysok\u00e9 sv\u00edtivosti (po\u010dtu lumen na m2) p\u0159i sou\u010dasn\u011b velmi n\u00edzk\u00e9 spot\u0159eb\u011b elekt\u0159iny. IP kryt\u00ed U reflektorov\u00fdch pracovn\u00edch sv\u011btel se setk\u00e1v\u00e1me se z\u00e1sadn\u00edm po\u017eadavkem na konstrukci sv\u00edtidla, a t\u00edm je tzv. IP kryt\u00ed. Z\u00e1le\u017e\u00ed toti\u017e na tom, zda je zdroj sv\u011btla um\u00edst\u011bn v interi\u00e9ru, anebo ve venkovn\u00edm prost\u0159ed\u00ed. Jednotliv\u00e9 stupn\u011b se \u0159\u00edd\u00ed tabulkou, v n\u00ed\u017e je uvedena odolnost v\u016f\u010di vod\u011b, vlhkosti, a pevn\u00fdm a prachov\u00fdm \u010d\u00e1stic\u00edm. Nap\u0159. IP 00 znamen\u00e1 naprosto nechr\u00e1n\u011bn\u00fd sv\u011bteln\u00fd zdroj a naopak IP 68 popisuje sv\u011btlomet, kter\u00fd je mo\u017eno dokonce trvale pono\u0159it do vody. "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"LED diody v mont\u00e1\u017en\u00edch p\u0159enosn\u00fdch lamp\u00e1ch","item":"https:\/\/www.omniacs.cz\/led-diody-v-montaznich-prenosnych-lampach\/#breadcrumbitem"}]}]