[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.cideas.cz\/i-venku-je-treba-videt\/#Article","mainEntityOfPage":"https:\/\/www.cideas.cz\/i-venku-je-treba-videt\/","headline":"I venku je t\u0159eba vid\u011bt","name":"I venku je t\u0159eba vid\u011bt","description":"Je u\u017e d\u00e1vno samoz\u0159ejmost\u00ed, \u017ee si doma za \u0161era a zejm\u00e9na za tmy sv\u00edt\u00edme, abychom […]","datePublished":"2019-03-27","dateModified":"2023-04-30","author":{"@type":"Person","@id":"https:\/\/www.cideas.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.cideas.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2dfb47fe8ef5e1795dc8fdf9fc01f7f6e0de0c5b588d6a35abd2f00b6a65d2be?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2dfb47fe8ef5e1795dc8fdf9fc01f7f6e0de0c5b588d6a35abd2f00b6a65d2be?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"cideas.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.cideas.cz\/wp-content\/uploads\/img_a339975_w2208_t1553000935.png","url":"https:\/\/www.cideas.cz\/wp-content\/uploads\/img_a339975_w2208_t1553000935.png","height":0,"width":0},"url":"https:\/\/www.cideas.cz\/i-venku-je-treba-videt\/","wordCount":527,"articleBody":"Je u\u017e d\u00e1vno samoz\u0159ejmost\u00ed, \u017ee si doma za \u0161era a zejm\u00e9na za tmy sv\u00edt\u00edme, abychom tam vid\u011bli na sv\u00e9 po\u010d\u00edn\u00e1n\u00ed, a to bez ohledu na to, co tam d\u011bl\u00e1me. Je norm\u00e1ln\u00ed, \u017ee si tam sv\u00edt\u00edme na va\u0159en\u00ed, pleten\u00ed, \u017eehlen\u00ed, na \u010detbu i jin\u00e9 kratochv\u00edle, nebo \u017ee rozsv\u011bc\u00edme t\u0159eba i jenom proto, abychom se neb\u00e1li nebo n\u00e1m nebylo z t\u00e9 tmy chmurno.Nem\u00e9n\u011b je u\u017e d\u00e1vno b\u011b\u017en\u00e9 ve\u0159ejn\u00e9 osv\u011btlen\u00ed i na ulic\u00edch. To abychom t\u0159eba o nic nezakopli a nep\u0159i\u0161li tak k \u00farazu, abychom nem\u00edjeli bez pov\u0161imnut\u00ed zn\u00e1m\u00e9, kter\u00e9 bychom tam potkali, ale pro tmu nerozeznali, abychom tam nebyli p\u0159epadeni n\u011bjak\u00fdm nekal\u00fdm \u017eivlem a podobn\u011b.A za norm\u00e1ln\u00ed u\u017e dnes pova\u017eujeme t\u0159eba i osv\u011btlen\u00ed stadion\u016f b\u011bhem r\u016fzn\u00fdch utk\u00e1n\u00ed, kter\u00e1 by pozb\u00fdvala smyslu i p\u016fvabu, kdybychom se kv\u016fli tm\u011b c\u00edtili i v prvn\u00edch \u0159ad\u00e1ch sp\u00ed\u0161e jako p\u0159i nepoda\u0159en\u00e9m rozhlasov\u00e9m p\u0159enosu.Ov\u0161em dozajista mi nebudete oponovat, kdy\u017e \u0159eknu, \u017ee by n\u011bco podobn\u00e9ho mohl b\u00fdt i docela drah\u00fd \u0161p\u00e1s. Proto\u017ee elektrick\u00fd proud nen\u00ed v \u017e\u00e1dn\u00e9m p\u0159\u00edpad\u011b zadarmo a vzhledem k rozlehlosti podobn\u00e9 osv\u011btlovan\u00e9 plochy je zapot\u0159eb\u00ed v\u011bru mnoha siln\u00fdch sv\u011bteln\u00fdch zdroj\u016f. A vy pon\u011bkud d\u0159\u00edv\u011bj\u0161\u00edho data narozen\u00ed k tomu nejsp\u00ed\u0161e je\u0161t\u011b p\u0159id\u00e1te zku\u0161enost s t\u00edm, jak \u010dasto \u201aprdne\u2018 n\u011bjak\u00e1 ta \u017e\u00e1rovka a v\u00fdm\u011bny takov\u00fdch vyslou\u017eil\u00fdch \u017e\u00e1rovek tak\u00e9 n\u011bco stoj\u00ed.A proto m\u016f\u017eeme b\u00fdt r\u00e1di, \u017ee u\u017e i u n\u00e1s m\u00e1me .Proto\u017ee jsou to pr\u00e1v\u011b LED diodov\u00e9 reflektory, je\u017e n\u00e1m dnes nejeden takov\u00fd ve\u0159ejn\u00fd prostor osv\u011btluj\u00ed. Proto\u017ee dnes u\u017e maj\u00ed tato sv\u00edtidla kone\u010dn\u011b dostate\u010dn\u011b v\u00fdkonn\u00e9 \u010dipy a technologick\u00e1 p\u0159evaha polovodi\u010d\u016f se tak projevuje i na takov\u00fdch m\u00edstech, jako sportovi\u0161t\u011b a stadiony, jim\u017e doned\u00e1vna dominovaly metalhalogenidov\u00e9 vysokotlak\u00e9 v\u00fdbojky, je\u017e jedin\u00e9 dosahovaly za p\u0159\u00edzniv\u00e9 teploty chromati\u010dnosti v\u00fdkonu intenzity sv\u011btla a\u017e 100000 lumen\u016f.Dnes u\u017e tu ale m\u00e1me v\u00fdkonn\u011bj\u0161\u00ed polovodi\u010dov\u00e9 \u010dipy, je\u017e lze pou\u017e\u00edt na stadionech v\u0161ude.Sportovn\u00ed stadion je LED diodov\u00fdmi sv\u011btly pln\u011b nasv\u00edcen ve zlomku sekundy, t\u011bmto zdroj\u016fm nevad\u00ed ani \u010dast\u00e9 vyp\u00edn\u00e1n\u00ed a zap\u00edn\u00e1n\u00ed, co\u017e umo\u017e\u0148uje t\u0159eba i r\u016fzn\u00e9 sv\u011bteln\u00e9 efekty. Co\u017e d\u00e1v\u00e1 i lep\u0161\u00ed p\u0159edpoklady pro sportovn\u00ed p\u0159enosy, p\u0159i nich\u017e jsou daleko ost\u0159ej\u0161\u00ed zejm\u00e9na zpomalen\u00e9 z\u00e1b\u011bry.A stejn\u011b dob\u0159e poslou\u017e\u00ed tyto LEDky i p\u0159i osv\u011btlov\u00e1n\u00ed fas\u00e1d historick\u00fdch i jin\u00fdch budov, jejich\u017e kr\u00e1sa nejednou vynikne pr\u00e1v\u011b v noci. A na rozd\u00edl od klasick\u00fdch \u017e\u00e1rovek to ani nevyjde draho, co se spot\u0159eby elekt\u0159iny a trvanlivosti t\u011bchto sv\u00edtidel t\u00fdk\u00e1.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"I venku je t\u0159eba vid\u011bt","item":"https:\/\/www.cideas.cz\/i-venku-je-treba-videt\/#breadcrumbitem"}]}]