[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.caat.cz\/revize-hromosvodu-se-stara-o-to-aby-zarizeni-bylo-plne-funkcni\/#Article","mainEntityOfPage":"https:\/\/www.caat.cz\/revize-hromosvodu-se-stara-o-to-aby-zarizeni-bylo-plne-funkcni\/","headline":"Revize hromosvod\u016f se star\u00e1 o to, aby za\u0159\u00edzen\u00ed bylo pln\u011b funk\u010dn\u00ed","name":"Revize hromosvod\u016f se star\u00e1 o to, aby za\u0159\u00edzen\u00ed bylo pln\u011b funk\u010dn\u00ed","description":"Hromosvod je velmi primitivn\u00ed za\u0159\u00edzen\u00ed, o jeho vyn\u00e1lez se zaslou\u017eil jist\u00fd Prokop Divi\u0161 ji\u017e v roce 1754, ov\u0161em na jeho funk\u010dnosti nen\u00ed t\u0159eba nic m\u011bnit ani dnes, po t\u00e9m\u011b\u0159 t\u0159ech stovk\u00e1ch let. Hromosvod sest\u00e1v\u00e1 z j\u00edmac\u00ed ty\u010de, kter\u00e1 je obvykle um\u00edst\u011bna na nejvy\u0161\u0161\u00edm bod\u011b stavby, a odtud je pak p\u0159\u00edpadn\u00fd bleskov\u00fd v\u00fdboj sveden a\u017e do...","datePublished":"2025-06-03","dateModified":"2025-06-03","author":{"@type":"Person","@id":"https:\/\/www.caat.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.caat.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"caat.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.caat.cz\/wp-content\/uploads\/lightning-2702168_640_1.jpg","url":"https:\/\/www.caat.cz\/wp-content\/uploads\/lightning-2702168_640_1.jpg","height":0,"width":0},"url":"https:\/\/www.caat.cz\/revize-hromosvodu-se-stara-o-to-aby-zarizeni-bylo-plne-funkcni\/","about":["Produkty"],"wordCount":397,"articleBody":"       Hromosvod je velmi primitivn\u00ed za\u0159\u00edzen\u00ed, o jeho vyn\u00e1lez se zaslou\u017eil jist\u00fd Prokop Divi\u0161 ji\u017e v roce 1754, ov\u0161em na jeho funk\u010dnosti nen\u00ed t\u0159eba nic m\u011bnit ani dnes, po t\u00e9m\u011b\u0159 t\u0159ech stovk\u00e1ch let. Hromosvod sest\u00e1v\u00e1 z j\u00edmac\u00ed ty\u010de, kter\u00e1 je obvykle um\u00edst\u011bna na nejvy\u0161\u0161\u00edm bod\u011b stavby, a odtud je pak p\u0159\u00edpadn\u00fd bleskov\u00fd v\u00fdboj sveden a\u017e do zem\u011b pomoc\u00ed svodov\u00e9ho lanka a zemn\u00edc\u00edch plech\u016f. Princip za\u0159\u00edzen\u00ed je skute\u010dn\u011b jednoduch\u00fd, ale aby hromosvod spr\u00e1vn\u011b plnil svou funkci, je nutn\u00e9 dodr\u017eet n\u011bkter\u00e1 pravidla, kter\u00e1 umo\u017e\u0148uj\u00ed co nejrychlej\u0161\u00ed a bezpe\u010dn\u00e9 odv\u00e1d\u011bn\u00ed blesku mimo budovu.Minim\u00e1ln\u00ed p\u0159echodov\u00fd odpor \u2013 na cel\u00e9m za\u0159\u00edzen\u00ed je naprosto kl\u00ed\u010dov\u00e9 zajistit minim\u00e1ln\u00ed p\u0159echodov\u00fd odpor, kter\u00fd blesku klade ty\u010d, lanko, upev\u0148ovac\u00ed p\u0159\u00edchytky a zemnic\u00ed prvky. Zjednodu\u0161en\u011b \u0159e\u010deno to funguje tak, \u017ee pokud blesk zas\u00e1hne j\u00edma\u010d, vyb\u00edr\u00e1 si dal\u0161\u00ed postup do m\u00edst s minim\u00e1ln\u00edm p\u0159echodov\u00fdm odporem. Jestli\u017ee je hromosvod v po\u0159\u00e1dku, b\u011bhem zlomku sekundy je blesk v zemi a t\u00edm to kon\u010d\u00ed. Pokud se ale blesk p\u0159ibrzd\u00ed siln\u00fdm odporem, nap\u0159\u00edklad v m\u00edst\u011b defektu hromosvodu, kdy je zkorodovan\u00fd dr\u00e1t nebo po\u0161kozen\u00e9 p\u0159\u00edchytky, \u010di dokonce t\u00e9m\u011b\u0159 rozpadl\u00e9 zemnic\u00ed plechy, blesk se v m\u00edst\u011b vy\u0161\u0161\u00edho odporu pozastav\u00ed a akumuluje do n\u011bj svou energii, co\u017e m\u016f\u017ee kovov\u00e9 p\u0159edm\u011bty roz\u017ehavit a ty pak zap\u00e1l\u00ed ho\u0159lav\u00e9 \u010d\u00e1sti stavby \u2013 krovy, bedn\u011bn\u00ed, okenice apod.A vyho\u0159et kv\u016fli z\u00e1vad\u011b na hromosvodu a p\u0159ij\u00edt o st\u0159echu nad hlavou \u2013 to je na mrtvici a n\u011bkdo to nemus\u00ed psychicky un\u00e9st. Je tedy v\u00edce ne\u017e rozumn\u00e9 nechat hromosvod v pravideln\u00fdch intervalech kontrolovat, aby se podobn\u00fdm ud\u00e1lostem p\u0159edch\u00e1zelo. Cena revize hromosvod\u016f revize-elektro-revtech by tedy nem\u011bla b\u00fdt brzdou, kter\u00e1 hromosvod ponech\u00e1 zcela bez dozoru a zv\u00fd\u0161\u00ed t\u00edm riziko nebezpe\u010d\u00ed po\u017e\u00e1ru. A je\u0161t\u011b n\u011bco \u2013 revize hromosvodu by m\u011bla b\u00fdt provedena i mimo term\u00edny b\u011b\u017en\u00fdch reviz\u00ed \u2013 v situaci, kdy do hromosvodu ude\u0159\u00ed blesk. Tehdy hroz\u00ed jeho po\u0161kozen\u00ed, co\u017e by pak znamenalo, \u017ee na n\u011bj nebude v budoucnu ji\u017e spolehnut\u00ed.                                                                                                                                                                                                                                                                                                                                                                                          3.7\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Revize hromosvod\u016f se star\u00e1 o to, aby za\u0159\u00edzen\u00ed bylo pln\u011b funk\u010dn\u00ed","item":"https:\/\/www.caat.cz\/revize-hromosvodu-se-stara-o-to-aby-zarizeni-bylo-plne-funkcni\/#breadcrumbitem"}]}]