[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.efeta.sk\/led-reflektor-20-w-usporny-zdroj-osvetlenia-v-domacnosti\/#Article","mainEntityOfPage":"https:\/\/www.efeta.sk\/led-reflektor-20-w-usporny-zdroj-osvetlenia-v-domacnosti\/","headline":"LED reflektor 20 W \u2013 \u00fasporn\u00fd zdroj osvetlenia v dom\u00e1cnosti","name":"LED reflektor 20 W \u2013 \u00fasporn\u00fd zdroj osvetlenia v dom\u00e1cnosti","description":"Ke\u010f si \u013eudia za socializmu zaria\u010fovali sp\u00e1l\u0148u a zaobstarali ju n\u00e1bytkom, na no\u010dn\u00fdch stol\u00edkoch sa obvykle ocitli stoln\u00e9 lampi\u010dky. Ka\u017ed\u00e1 z nich bola opatren\u00e1 \u017eiarovkou s p\u00e4ticou E27, alebo starou takzvanou \u201emi\u0148onkou\u201c svie\u010dkov\u00e9ho tvaru s mal\u00fdm priemerom z\u00e1vitu p\u00e4tice E14. Tieto \u017eiarovky svietili ve\u013emi slabo, na no\u010dnom stol\u00edku to ale …","datePublished":"2023-12-28","dateModified":"2024-02-28","author":{"@type":"Person","@id":"https:\/\/www.efeta.sk\/author\/#Person","name":"","url":"https:\/\/www.efeta.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/325464d7e09ffe52889ba6983accc5cdb65d0a54acd9a25cd7e409bd3eba713a?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/325464d7e09ffe52889ba6983accc5cdb65d0a54acd9a25cd7e409bd3eba713a?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"efeta.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.efeta.sk\/wp-content\/uploads\/led-light-2937960_640_4.jpg","url":"https:\/\/www.efeta.sk\/wp-content\/uploads\/led-light-2937960_640_4.jpg","height":0,"width":0},"url":"https:\/\/www.efeta.sk\/led-reflektor-20-w-usporny-zdroj-osvetlenia-v-domacnosti\/","about":["Produkty"],"wordCount":378,"articleBody":"      Ke\u010f si \u013eudia za socializmu zaria\u010fovali sp\u00e1l\u0148u a zaobstarali ju n\u00e1bytkom, na no\u010dn\u00fdch stol\u00edkoch sa obvykle ocitli stoln\u00e9 lampi\u010dky. Ka\u017ed\u00e1 z nich bola opatren\u00e1 \u017eiarovkou s p\u00e4ticou E27, alebo starou takzvanou \u201emi\u0148onkou\u201c svie\u010dkov\u00e9ho tvaru s mal\u00fdm priemerom z\u00e1vitu p\u00e4tice E14. Tieto \u017eiarovky svietili ve\u013emi slabo, na no\u010dnom stol\u00edku to ale sta\u010dilo, aj ke\u010f na \u010d\u00edtanie knihy to ide\u00e1lne v\u00f4bec nebolo. \u017diarovky m\u00e1vali pr\u00edkon iba 25 W, a to bolo vtedy naozaj m\u00e1lo, preto\u017ee napr\u00edklad v lustroch v ob\u00fdva\u010dke svietilo celkom be\u017ene a\u017e \u0161es\u0165 stowattov\u00fdch \u017eiaroviek s volfr\u00e1mov\u00fdm vl\u00e1knom.Celkov\u00fd pr\u00edkon 600 W do jedin\u00e9ho lustra ale nikto pr\u00edli\u0161 nerie\u0161il, preto\u017ee cena elektrickej energie bola niekde \u201e\u00faplne inde\u201c. V s\u00fa\u010dasnej dobe by sme s tak\u00fdmi \u00favahami pr\u00edli\u0161 neuspeli, preto\u017ee \u00faspora elektriny je jednou z d\u00f4le\u017eit\u00fdch prior\u00edt v\u00e4\u010d\u0161iny dom\u00e1cnost\u00ed. Ako ale u\u0161etri\u0165 na svietidl\u00e1ch, aby sme mali umel\u00e9ho svetla dostatok, a pritom nespotrebovali to\u013eko energie? Jednoducho – chce to napr\u00edklad LED reflektor 20 W.S t\u00fdmto sveteln\u00fdm zdrojom docielite tak siln\u00e9 osvetlenie, ako keby ste svietili dvoma a\u017e tromi stowattov\u00fdmi \u017eiarovkami s volfr\u00e1mov\u00fdm vl\u00e1knom. In\u00fdmi slovami rovnak\u00e1 svietivos\u0165, respekt\u00edve sveteln\u00fd tok, a z\u00e1rove\u0148 mnohon\u00e1sobne ni\u017e\u0161\u00ed pr\u00edkon. A ke\u010f u\u017e sme pri t\u00fdch stoln\u00fdch lampi\u010dk\u00e1ch na no\u010dnom stol\u00edku v sp\u00e1lni, tam by v\u00e1m sta\u010dila LED \u017eiarovka s pr\u00edkonom iba 3 Watty.\u0160etri\u0165 elektrickou energiou je mo\u017en\u00e9 na mnoh\u00fdch miestach, napr\u00edklad obstaran\u00edm \u00faspornej\u0161\u00edch dom\u00e1cich spotrebi\u010dov, ako s\u00fa chladni\u010dky alebo pr\u00e1\u010dky s vy\u0161\u0161ou energetickou triedou, ale ako sami vid\u00edte, nie je to jedin\u00fd zdroj \u00faspor. Svoj v\u00fdznam m\u00e1 aj v\u00fdmena \u017eiaroviek tam, kde st\u00e1le e\u0161te pou\u017e\u00edvate tie s \u017ehaviacim vl\u00e1knom. A v niektor\u00fdch dom\u00e1cnostiach ich n\u00e1jdeme e\u0161te ve\u013ea. Volfr\u00e1mov\u00e1 \u017eiarovka m\u00e1 dnes uplatnenie najm\u00e4 ako vykurovac\u00ed zdroj na ohrev plazov v ter\u00e1riu, ale pre svietenie je to vyslovene neekonomick\u00e9.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"LED reflektor 20 W \u2013 \u00fasporn\u00fd zdroj osvetlenia v dom\u00e1cnosti","item":"https:\/\/www.efeta.sk\/led-reflektor-20-w-usporny-zdroj-osvetlenia-v-domacnosti\/#breadcrumbitem"}]}]