{"id":8,"date":"2018-08-23T14:54:10","date_gmt":"2018-08-23T12:54:10","guid":{"rendered":"http:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/?page_id=8"},"modified":"2018-11-12T21:14:34","modified_gmt":"2018-11-12T20:14:34","slug":"zakladni-elektrotechnicke-normy","status":"publish","type":"page","link":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/absolutni-zaklady-elektroniky\/zakladni-elektrotechnicke-normy\/","title":{"rendered":"Z\u00e1kladn\u00ed elektrotechnick\u00e9 normy"},"content":{"rendered":"<h1>Co v\u0161e plat\u00ed obecn\u011b v elektrotechnice<\/h1>\n<p>1) Barvy vodi\u010d\u016f:<\/p>\n<p>N\u011bkdy se m\u016f\u017eete setkat s p\u0159\u00edpojkou, kter\u00e1 se p\u0159ipojuje na baterie nebo na jejich dr\u017e\u00e1ky a vypad\u00e1 takto:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-175\" title=\"p\u0159\u00edpojka k baterii nebo dr\u017e\u00e1ku na baterie\" src=\"http:\/\/www.krusinsky.cz\/wp-content\/uploads\/2018\/06\/p\u0159\u00edpojka-300x225.jpg\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/p\u0159\u00edpojka-300x225.jpg 300w, http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/p\u0159\u00edpojka-768x576.jpg 768w, http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/p\u0159\u00edpojka-1024x768.jpg 1024w, http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/p\u0159\u00edpojka.jpg 1280w\" alt=\"\" width=\"300\" height=\"225\" \/><\/p>\n<p>Je zkonstruovan\u00e1 tak, \u017ee kdy\u017e ji p\u0159ipoj\u00edte k baterii, tak \u010derven\u00fd vodi\u010d je + a \u010dern\u00fd -.<\/p>\n<p>2) N\u011bkdy se m\u016f\u017eete setkat i se st\u0159edn\u00edm modr\u00fdm vodi\u010dem t\u00edmto zp\u016fsobem:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-176\" title=\"uk\u00e1zka st\u0159edn\u00edho vodi\u010de\" src=\"http:\/\/www.krusinsky.cz\/wp-content\/uploads\/2018\/06\/st\u0159edn\u00ed-vodi\u010d-300x203.jpg\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/st\u0159edn\u00ed-vodi\u010d-300x203.jpg 300w, http:\/\/old.krusinsky.cz\/subdom\/old\/wp-content\/uploads\/2018\/06\/st\u0159edn\u00ed-vodi\u010d.jpg 476w\" alt=\"\" width=\"300\" height=\"203\" \/><\/p>\n<p>3) Vodi\u010de se v elektrotechnice spojuj\u00ed t\u011bmito zp\u016fsoby:<\/p>\n<ol>\n<li>\u0160roubov\u00e1n\u00edm<\/li>\n<li>p\u00e1jen\u00edm pomoc\u00ed c\u00ednu (hlavn\u011b v elektronice)<\/li>\n<li>Smot\u00e1n\u00edm a zaizolov\u00e1n\u00edm (u obvod\u016f s n\u00edzk\u00fdm nap\u011bt\u00edm) Sp\u00ed\u0161e ale v nouzi.<\/li>\n<li>R\u016fzn\u00e9 dal\u0161\u00ed zastrk\u00e1v\u00e1n\u00ed a upev\u0148ov\u00e1n\u00ed t\u0159eba u elektronick\u00fdch stavebnic.<\/li>\n<\/ol>\n<p>4) Z\u00e1klady bezpe\u010dnosti v elektrotechnice jsou takov\u00e9to:<\/p>\n<ul>\n<li>S vysok\u00fdm nap\u011bt\u00edm (<a href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/zaklady-vzniku-stridaveho-proudu\/\">stejnosm\u011brn\u00e9<\/a>-zkratka DC-vy\u0161\u0161\u00ed ne\u017e 25 V-40V, <a href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/zaklady-vzniku-stridaveho-proudu\/\">st\u0159\u00eddav\u00e9<\/a>-zkratka AC-vy\u0161\u0161\u00ed ne\u017e 12-20V rozd\u00edl-kapitola 1 st\u0159\u00eddav\u00fd proud) nepracujte pokud to neum\u00edte! A p\u0159i pr\u00e1ci s n\u00edm si d\u00e1vejte velk\u00fd pozor! Hroz\u00ed v\u00e1\u017en\u00e9 zran\u011bn\u00ed nebo i smrt! Dokonce i kdybyste pou\u017e\u00edvali na pokusy s elektronikou zdroj <a href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/zaklady-vzniku-stridaveho-proudu\/\">stejnosm\u011brn\u00e9ho<\/a> nap\u011bt\u00ed, kter\u00fd je uzav\u0159en\u00fd v krabi\u010dce, tak si d\u00e1vejte pozor na to, aby pokud mo\u017eno, nedoch\u00e1zelo k p\u0159\u00edm\u00e9mu propojen\u00ed + a -. Nastal by zkrat a mohl by se zni\u010dit zdroj, kdyby nebyl odoln\u00fd. A tak\u00e9 by mohl vypadnout jisti\u010d. <em>I kdy\u017e je takov\u00e1 men\u0161\u00ed pravd\u011bpodobnost, \u017ee zp\u016fsoben\u00ed zkratu na v\u00fdstupu zdroje shod\u00ed jisti\u010d, tak mn\u011b se u\u017e stalo, \u017ee jsem t\u00edmto zp\u016fsobem shodil i hlavn\u00ed jisti\u010d k cel\u00e9mu bytu, kter\u00fd je a\u017e dole v dom\u011b.<\/em><\/li>\n<li>Nemanipulujte nebezpe\u010dn\u011b s elektrick\u00fdmi \u010dl\u00e1nky a bateriemi (velk\u00e9 \u00fadery, \u0159ez\u00e1n\u00ed, h\u00e1zen\u00ed do ohn\u011b a tak\u00e9 si d\u00e1vejte pozor na to, aby V\u00e1m pokud mo\u017eno nedoch\u00e1zelo k propojen\u00ed + a \u2013 p\u0159\u00edm\u00fdm vodi\u010dem-<a title=\"odkaz na str\u00e1nku, kde je n\u011bco o zkratu\" href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/absolutni-zaklady-elektroniky\/co-je-elektricky-obvod-a-na-jakem-principu-pracuje\/\">zkrat<\/a>.) Hrozilo by jejich vzn\u00edcen\u00ed nebo i v\u00fdbuch<\/li>\n<\/ul>\n<p>5) L\u00e1tky se d\u011bl\u00ed na:<\/p>\n<ol>\n<li>Elektrick\u00e9 vodi\u010de (V\u0161echny kovy. V elektrotechnice se pou\u017e\u00edvaj\u00ed \u010dasto m\u011bd\u011bn\u00e9 dr\u00e1ty. Lidsk\u00e9 t\u011blo a voda jsou vodi\u010d s velk\u00fdm el. odporem. Kdy\u017e s\u00e1hnete rukou na baterii, nic se V\u00e1m nestane. Kdy\u017e vezmete obvod ze <a title=\"odkaz na str\u00e1nku s elektrick\u00fdm obvodem\" href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/absolutni-zaklady-elektroniky\/co-je-elektricky-obvod-a-na-jakem-principu-pracuje\/\">str\u00e1nky \u010d\u00edslo 2<\/a> a pono\u0159\u00edte vyp\u00edna\u010d do vody, \u017e\u00e1rovka sv\u00edtit nebude. Mo\u017en\u00e1 by se dalo trochu pomoci osolen\u00edm vody.)<\/li>\n<li>Elektrick\u00e9 izolanty (V\u0161e mo\u017en\u00e9: Plasty, pap\u00edr, sklo, k\u00e1men, guma, vzduch) Kdybyste odst\u0159ihli dr\u00e1tky od vyp\u00edna\u010de v obvodu ve <a title=\"odkaz na str\u00e1nku s elektrick\u00fdm obvodem\" href=\"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/absolutni-zaklady-elektroniky\/co-je-elektricky-obvod-a-na-jakem-principu-pracuje\/\">str\u00e1nce \u010d\u00edslo 2<\/a> a propojili je nap\u0159. plastem, \u017e\u00e1rovka by nesv\u00edtila.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Co v\u0161e plat\u00ed obecn\u011b v elektrotechnice 1) Barvy vodi\u010d\u016f: N\u011bkdy se m\u016f\u017eete setkat s p\u0159\u00edpojkou, kter\u00e1 se p\u0159ipojuje na baterie nebo na jejich dr\u017e\u00e1ky a vypad\u00e1 takto: Je zkonstruovan\u00e1 tak, \u017ee kdy\u017e ji p\u0159ipoj\u00edte k baterii, tak \u010derven\u00fd vodi\u010d je + a \u010dern\u00fd -. 2) N\u011bkdy se m\u016f\u017eete setkat i se st\u0159edn\u00edm modr\u00fdm vodi\u010dem t\u00edmto [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":13,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-8","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/pages\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/comments?post=8"}],"version-history":[{"count":3,"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/pages\/8\/revisions"}],"predecessor-version":[{"id":380,"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/pages\/8\/revisions\/380"}],"up":[{"embeddable":true,"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/pages\/13"}],"wp:attachment":[{"href":"https:\/\/www.krusinsky.cz\/domains\/krusinsky.cz\/wp-json\/wp\/v2\/media?parent=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}