[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.kvetnet.sk\/vyhody-led-svetiel\/#Article","mainEntityOfPage":"https:\/\/www.kvetnet.sk\/vyhody-led-svetiel\/","headline":"V\u00fdhody LED svetiel","name":"V\u00fdhody LED svetiel","description":"\u0164a\u017eko vymyslie\u0165 symbolickej\u0161ie a bizarnej\u0161ie spojenie svetla a tmy, ne\u017e za\u010diatok existencie svietidiel typu LED. P\u00ed\u0161e sa r. 1923, obdobie najhor\u0161ieho temna v Rusku, spojen\u00e9 s masov\u00fdm vra\u017eden\u00edm, ke\u010f v hlave nadan\u00e9ho rusk\u00e9ho vyn\u00e1lezcu Olega&hellip;\r\n <p> <a class=\"more-link\" href=\"https:\/\/www.kvetnet.sk\/vyhody-led-svetiel\/\">\u010c\u00edst v\u00edce<\/a><\/p>","datePublished":"2021-10-22","dateModified":"2023-04-27","author":{"@type":"Person","@id":"https:\/\/www.kvetnet.sk\/author\/#Person","name":"","url":"https:\/\/www.kvetnet.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"kvetnet.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.kvetnet.sk\/wp-content\/uploads\/LED%20svietenie%201.jpg","url":"https:\/\/www.kvetnet.sk\/wp-content\/uploads\/LED%20svietenie%201.jpg","height":0,"width":0},"url":"https:\/\/www.kvetnet.sk\/vyhody-led-svetiel\/","about":["V\u00fdrobky"],"wordCount":385,"articleBody":"   \u0164a\u017eko vymyslie\u0165 symbolickej\u0161ie a bizarnej\u0161ie spojenie svetla a tmy, ne\u017e za\u010diatok existencie svietidiel typu LED. P\u00ed\u0161e sa r. 1923, obdobie najhor\u0161ieho temna v Rusku, spojen\u00e9 s masov\u00fdm vra\u017eden\u00edm, ke\u010f v hlave nadan\u00e9ho rusk\u00e9ho vyn\u00e1lezcu Olega Vladimirovi\u010da Loseva skrsne z\u00e1blesk svetla. O. V. Losev zdokona\u013eoval kry\u0161talkov\u00fd r\u00e1dioprij\u00edma\u010d, zostrojil prv\u00fd polovodi\u010dov\u00fd zosil\u0148ova\u010d, ale najm\u00e4 objavil a pop\u00edsal elektroluminiscenciu, t.j. vy\u017earovanie svetla vznikaj\u00face po\u010das prechodu elektriny polovodi\u010dom \/kry\u0161t\u00e1lom karborundu\/. Koniec tohoto skvel\u00e9ho \u010dloveka je pre n\u00e1s taktie\u017e nepredstavite\u013en\u00fd &#8211; smr\u0165 hladom po\u010das obliehania Leningradu v r. 1942.K dne\u0161n\u00fdm LED svietidl\u00e1m samozrejme, e\u0161te viedla dlh\u00e1 cesta. Najprv to boli kontroln\u00e9 svetielka v pr\u00edstrojoch a cca od 80 rokov min. storo\u010dia prv\u00e9 svietidl\u00e1. Dnes pou\u017e\u00edvame v z\u00e1sade 3 typy svietidiel:1. \u017diarovka \u2013 svetlo vy\u017earuje roz\u017eeraven\u00e9 wolfr\u00e1mov\u00e9 vl\u00e1kno vo v\u00e1kuovej banke2. \u017diarivka, ne\u00f3nka, kompaktn\u00e1 \u017eiarivka \u2013svetlo vy\u017earuje elektrick\u00fd v\u00fdboj v plyne3. LED, Light Emitting Diode \u2013 svetlo vy\u017earuje elektrick\u00fd pr\u00fad prech\u00e1dzaj\u00faci di\u00f3dou \/polovodi\u010dom\/Svetlo z LED zdrojov je jednozna\u010dne najefekt\u00edvnej\u0161\u00edm svieten\u00edm. Prinieslo zvrat a komplexn\u00e9 rie\u0161enie osvetlenia v interi\u00e9roch i exteri\u00e9roch. Najv\u00e4\u010d\u0161\u00edmi atutmi LED-iek s\u00fa: zna\u010dn\u00e1 \u00faspora elektrickej energie pri rovnakej svietivosti, dlh\u00e1 \u017eivotnos\u0165 svietidiel a r\u00fdchla finan\u010dn\u00e1 n\u00e1vratnos\u0165. Porovnajme si jednoduch\u00fdm v\u00fdpo\u010dtom efekt\u00edvnos\u0165 klasickej \u017eiarovky s LED reflektorom 50 W \/Klasick\u00e1 \u017eiarovka na rovnak\u00fd sveteln\u00fd tok potrebuje pr\u00edkon okolo 300 W\/: Klasick\u00e1 300 W \u017eiarovka, \u017eivotnos\u0165 1000 hod\u00edn, cena: 6,00 \u20ac, svietenie 12 h denne, 1 mesiac \/36 % \u017eivotnosti\/:0,30 kW x 12 hod. x 30 dn\u00ed x 0,15 \u20ac\/kWh = 16,20\u20ac, + 36 % z 6,00 \u20ac = 2,16 \u20ac, n\u00e1klady\/mesiac: 18,36 \u20acLED \u017eiarovka 50 W, \u017eivotnos\u0165 25 000 hod., cena: 30,00 \u20ac, svietenie 12 hod. denne, 1 mesiac \/1,44 % \u017eivotnosti\/:0,05 kW x 12 hod. x 30 dn\u00ed x 0,15 \u20ac\/kWh = 2,70 \u20ac, + 1,44 % z 30,00 \u20ac = 0,42 \u20ac, n\u00e1klady\/mesiac: 3,12 \u20acNa \u010do si da\u0165 pozor pri k\u00fape LED svietidla ? Na chladenie. LED-ky vy\u0161\u0161\u00edch v\u00fdkonov produkuj\u00fa viac tepla, ktor\u00e9 mus\u00ed by\u0165 n\u00e1le\u017eite odv\u00e1dzan\u00e9 \/v\u00fdrazn\u00fdm rebrovan\u00edm\/. Lacnej\u0161ie typy a napodobeniny m\u00e1vaj\u00fa chladenie slab\u00e9, \u010do sa prejavuje krat\u0161ou \u017eivotnos\u0165ou. Chodby, verejn\u00e9 osvetlenie, priemyseln\u00e9 are\u00e1ly, pivnice, hospod\u00e1rske dvory, ap., s\u00fa miesta, kde sa svetlo typu LED najviac oplat\u00ed.                                                                                                                                                                                                                                                                                                                                                                                           4.4\/5 - (14 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"V\u00fdhody LED svetiel","item":"https:\/\/www.kvetnet.sk\/vyhody-led-svetiel\/#breadcrumbitem"}]}]