[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.decuss.cz\/hromosvod-na-dome-je-nenapadne-ale-dulezite-zarizeni\/#Article","mainEntityOfPage":"https:\/\/www.decuss.cz\/hromosvod-na-dome-je-nenapadne-ale-dulezite-zarizeni\/","headline":"Hromosvod na dom\u011b je nen\u00e1padn\u00e9, ale d\u016fle\u017eit\u00e9 za\u0159\u00edzen\u00ed","name":"Hromosvod na dom\u011b je nen\u00e1padn\u00e9, ale d\u016fle\u017eit\u00e9 za\u0159\u00edzen\u00ed","description":"Hromosvod byl vynalezen ji\u017e v druh\u00e9 polovin\u011b osmn\u00e1ct\u00e9ho stolet\u00ed, tedy pom\u011brn\u011b daleko p\u0159ed obdob\u00edm pr\u016fmyslov\u00e9 revoluce, p\u0159esto toto za\u0159\u00edzen\u00ed vyu\u017e\u00edv\u00e1me dodnes. Z technick\u00e9ho hlediska se jedn\u00e1 o nesm\u00edrn\u011b primitivn\u00ed za\u0159\u00edzen\u00ed, ale funk\u010dn\u00ed. O hromosvodu se zaj\u00edmav\u00fdm zp\u016fsobem pojedn\u00e1v\u00e1 ve filmu \u201eSvatebn\u00ed cesta do Jilj\u00ed\u201c s Libu\u0161kou \u0160afr\u00e1nkovou a Josefem Abrh\u00e1mem, pan\u00ed \u0160afr\u00e1nkov\u00e1 se v n\u011bm…","datePublished":"2026-01-01","dateModified":"2026-01-01","author":{"@type":"Person","@id":"https:\/\/www.decuss.cz\/author\/#Person","name":"","url":"https:\/\/www.decuss.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/60cfa630c84b6c399b95e807e4bc5b6bfe4f26a47dceacbf179d7148760edc6a?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/60cfa630c84b6c399b95e807e4bc5b6bfe4f26a47dceacbf179d7148760edc6a?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"decuss.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.decuss.cz\/wp-content\/uploads\/dark-1836972_640_8.jpg","url":"https:\/\/www.decuss.cz\/wp-content\/uploads\/dark-1836972_640_8.jpg","height":0,"width":0},"url":"https:\/\/www.decuss.cz\/hromosvod-na-dome-je-nenapadne-ale-dulezite-zarizeni\/","about":["Byznys"],"wordCount":399,"articleBody":"       Hromosvod byl vynalezen ji\u017e v druh\u00e9 polovin\u011b osmn\u00e1ct\u00e9ho stolet\u00ed, tedy pom\u011brn\u011b daleko p\u0159ed obdob\u00edm pr\u016fmyslov\u00e9 revoluce, p\u0159esto toto za\u0159\u00edzen\u00ed vyu\u017e\u00edv\u00e1me dodnes. Z technick\u00e9ho hlediska se jedn\u00e1 o nesm\u00edrn\u011b primitivn\u00ed za\u0159\u00edzen\u00ed, ale funk\u010dn\u00ed. O hromosvodu se zaj\u00edmav\u00fdm zp\u016fsobem pojedn\u00e1v\u00e1 ve filmu \u201eSvatebn\u00ed cesta do Jilj\u00ed\u201c s Libu\u0161kou \u0160afr\u00e1nkovou a Josefem Abrh\u00e1mem, pan\u00ed \u0160afr\u00e1nkov\u00e1 se v n\u011bm coby d\u00edvka Petra domn\u00edv\u00e1, \u017ee \u201ek uveden\u00ed hromosvodu do provozu je zapot\u0159eb\u00ed elektrick\u00e9ho veden\u00ed\u201c. To je samoz\u0159ejm\u011b nesmysl, princip hromosvodu vyv\u011br\u00e1 z toho, \u017ee z\u00e1sah bleskem do jeho konstrukce chr\u00e1n\u00ed objekt t\u00edm, \u017ee je blesk sveden co nejkrat\u0161\u00ed a nejrychlej\u0161\u00ed cestou do zem\u011b, tedy z\u00e1rove\u0148 cestou nejmen\u0161\u00edho odporu. A pr\u00e1v\u011b odpor hraje z\u00e1sadn\u00ed roli i v revizi hromosvodu.Pro\u010d se vlastn\u011b hromosvody reviduj\u00ed? Na prvn\u00ed pohled m\u016f\u017ee hromosvod vypadat tak, \u017ee odv\u00e1d\u00ed blesky do zem\u011b, ale jestli\u017ee je n\u011bkde svodov\u00fd dr\u00e1t naru\u0161en, m\u016f\u017ee to znamenat v\u00e1\u017en\u00fd probl\u00e9m. Elektrik\u00e1\u0159 z Prahy-z\u00e1pad prov\u011b\u0159uje hromosvod pomoc\u00ed m\u011b\u0159ic\u00edho p\u0159\u00edstroje, proto\u017ee vizu\u00e1ln\u00ed dojem m\u016f\u017ee m\u00e1st. Svodov\u00fd dr\u00e1t m\u016f\u017ee b\u00fdt n\u011bkde v d\u016fsledku koroze nebo mechanick\u00e9ho po\u0161kozen\u00fd zten\u010den a v tomto m\u00edst\u011b pak vznik\u00e1 vy\u0161\u0161\u00ed p\u0159echodov\u00fd odpor. Pro blesk to znamen\u00e1, \u017ee se v tomto m\u00edst\u011b m\u016f\u017ee energie blesku na okam\u017eik pozastavit a akumulac\u00ed energie se m\u016f\u017ee dr\u00e1t roz\u017ehavit, a\u017e zap\u00e1l\u00ed ho\u0159lav\u00e9 p\u0159edm\u011bty v okol\u00ed. Hromosvod vlastn\u011b nepln\u00ed spr\u00e1vn\u011b svou funkci a m\u016f\u017ee tu doj\u00edt k ni\u010div\u00e9mu po\u017e\u00e1ru. Revize hromosvod\u016f nejsou sice v rodinn\u00fdch domech ze z\u00e1kona povinn\u00e9, ale lze je doporu\u010dit, proto\u017ee pokud se blesk zrovna stref\u00ed do hromosvodu, kter\u00fd je po\u0161kozen\u00fd, a za\u010dne tu ho\u0159et, je pozd\u011b si vy\u010d\u00edtat, \u017ee jste p\u0159ece jen m\u011bli toho elektrik\u00e1\u0159e zavolat. Prevence je v tomto sm\u011bru stejn\u011b d\u016fle\u017eit\u00e1, jako nap\u0159\u00edklad preventivn\u00ed a v\u010dasn\u00e9 \u010di\u0161t\u011bn\u00ed zub\u016f. P\u0159ij\u00edt o zuby v d\u016fsledku zanedban\u00e9 dent\u00e1ln\u00ed hygieny m\u016f\u017eete docela brzy a p\u0159ij\u00edt o st\u0159echu nad hlavou stejn\u011b tak.                                                                                                                                                                                                                                                                                                                                                                                           3\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Hromosvod na dom\u011b je nen\u00e1padn\u00e9, ale d\u016fle\u017eit\u00e9 za\u0159\u00edzen\u00ed","item":"https:\/\/www.decuss.cz\/hromosvod-na-dome-je-nenapadne-ale-dulezite-zarizeni\/#breadcrumbitem"}]}]