[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.zotify.cz\/proc-se-musi-revidovat-hromosvod\/#Article","mainEntityOfPage":"https:\/\/www.zotify.cz\/proc-se-musi-revidovat-hromosvod\/","headline":"Pro\u010d se mus\u00ed revidovat hromosvod","name":"Pro\u010d se mus\u00ed revidovat hromosvod","description":"u uiv=“Content-Type“ content=“text\/html; charset=UTF-8″> Hromosvod je za\u0159\u00edzen\u00ed, kter\u00e9 skute\u010dn\u011b chr\u00e1n\u00ed objekty p\u0159ed destruktivn\u00ed \u010dinnost\u00ed bleskov\u00fdch v\u00fdboj\u016f. Jde sice o.","datePublished":"2024-05-10","dateModified":"2024-05-10","author":{"@type":"Person","@id":"https:\/\/www.zotify.cz\/author\/#Person","name":"","url":"https:\/\/www.zotify.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/dcb1aeb5e7d95014cdc92e76cf3c72f6b456579bf773ad0081803a6569ffc19c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/dcb1aeb5e7d95014cdc92e76cf3c72f6b456579bf773ad0081803a6569ffc19c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"zotify.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.zotify.cz\/wp-content\/uploads\/lightning-2568381_640_6.jpg","url":"https:\/\/www.zotify.cz\/wp-content\/uploads\/lightning-2568381_640_6.jpg","height":0,"width":0},"url":"https:\/\/www.zotify.cz\/proc-se-musi-revidovat-hromosvod\/","wordCount":439,"articleBody":"  u uiv=“Content-Type“ content=“text\/html; charset=UTF-8″>    Hromosvod je za\u0159\u00edzen\u00ed, kter\u00e9 skute\u010dn\u011b chr\u00e1n\u00ed objekty p\u0159ed destruktivn\u00ed \u010dinnost\u00ed bleskov\u00fdch v\u00fdboj\u016f. Jde sice o velmi star\u00fd vyn\u00e1lez z osmn\u00e1ct\u00e9ho stolet\u00ed, ale st\u00e1le platn\u00fd i v sou\u010dasn\u00e9 dob\u011b. Jakmile hromosvod nainstalujete, m\u016f\u017ee se zd\u00e1t, \u017ee v\u00e1m bude slou\u017eit v podstat\u011b donekone\u010dna, ale to bychom museli \u017e\u00edt n\u011bkde ve vakuu, mimo p\u016fsoben\u00ed pov\u011btrnostn\u00edch vliv\u016f. Hromosvody jsou zat\u011b\u017eov\u00e1ny v\u011btrem, de\u0161t\u011bm, sn\u011bhem, n\u00e1mrazou a koroz\u00ed, a to v\u0161e m\u016f\u017ee zap\u0159\u00ed\u010dinit jejich po\u0161kozen\u00ed. Jestli\u017ee dojde u hromosvodu ke sn\u00ed\u017een\u00ed funk\u010dnosti, a za\u0159\u00edzen\u00ed vykazuje vy\u0161\u0161\u00ed odpor, kter\u00fd by v p\u0159\u00edpad\u011b \u00faderu blesku mohl zp\u016fsobit po\u017e\u00e1r objektu, je nutn\u00e9 prov\u00e9st jeho opravu \u010di v\u00fdm\u011bnu.Probl\u00e9m je ale v tom, \u017ee si v\u011bt\u0161inou z\u00e1vad hromosvodu nikdo nev\u0161imne. Nemus\u00ed b\u00fdt na prvn\u00ed pohled patrn\u00e9 a odhal\u00ed je pouze elektrik\u00e1\u0159 p\u0159i prov\u00e1d\u011bn\u00ed revize m\u011b\u0159ic\u00edmi p\u0159\u00edstroji. Po\u0161kozen\u00fd hromosvod na dom\u011b nepracuje spr\u00e1vn\u011b a v z\u00e1sad\u011b je to tot\u00e9\u017e, jako kdybyste tam \u017e\u00e1dn\u00fd hromosvod nem\u011bli. Lh\u016fty revize hromosvod\u016f \u2013 velmi d\u016fle\u017eit\u00e9 je dodr\u017eovat lh\u016fty reviz\u00ed, jinak p\u0159est\u00e1v\u00e1 m\u00edt tato \u010dinnost praktick\u00fd v\u00fdznam. Z\u00e1rove\u0148 byste m\u011bli v\u011bd\u011bt, \u017ee hromosvod je nutn\u00e9 revidovat i po ka\u017ed\u00e9m \u00faderu blesku, a to i mimo uv\u00e1d\u011bn\u00fd \u010dasov\u00fd harmonogram lh\u016ft pravideln\u00fdch reviz\u00ed. Jak vlastn\u011b hromosvod funguje \u2013 pt\u00e1te se sami sebe, jak vlastn\u011b hromosvod funguje, kdy\u017e je to jen primitivn\u00ed kus dr\u00e1tu na st\u0159e\u0161e? Odpov\u011b\u010f je celkem srozumiteln\u00e1 \u2013 blesk p\u0159i pr\u016fniku atmosf\u00e9rou dopad\u00e1 vlivem gravitace k zemi, a jestli\u017ee mu nen\u00ed v cest\u011b kladen \u017e\u00e1dn\u00fd odpor, sjede do zem\u011b a tam se jeho energetick\u00fd potenci\u00e1l rychle vyb\u00edj\u00ed. Hromosvod mus\u00ed b\u00fdt kovov\u00fd a um\u00edst\u011bn\u00fd na nejvy\u0161\u0161\u00edm m\u00edst\u011b st\u0159echy domu, aby blesk zachytil d\u0159\u00edve, ne\u017e jej zachyt\u00ed st\u0159echa a jin\u00e9 \u010d\u00e1sti budovy, a jestli\u017ee je pln\u011b funk\u010dn\u00ed, neklade blesku \u017e\u00e1dn\u00fd odpor a bezpe\u010dn\u011b jej svede do zem\u011b. Kdyby byl hromosvod po\u0161kozen\u00fd nebo tam \u017e\u00e1dn\u00fd nebyl, blesk by putoval po budov\u011b a ta by mu kladla m\u00edsty velk\u00fd odpor, kter\u00fd by zap\u0159\u00ed\u010dinil roz\u017ehaven\u00ed kovov\u00fdch \u010d\u00e1st\u00ed a zap\u00e1len\u00ed ho\u0159lav\u00e9ho materi\u00e1lu (d\u0159eva, plast\u016f), a mohlo by doj\u00edt i k rozs\u00e1hl\u00e9mu po\u017e\u00e1ru cel\u00e9 budovy.                                                                                                                                                                                                                                                                                                                                                                                                 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