{"id":88522,"date":"2021-03-25T08:27:48","date_gmt":"2021-03-25T07:27:48","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/jak-czytac-schematy-elektryczne\/"},"modified":"2024-09-05T09:49:52","modified_gmt":"2024-09-05T07:49:52","slug":"jak-cist-elektricka-schemata","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/jak-cist-elektricka-schemata\/","title":{"rendered":"Jak \u010d\u00edst elektrick\u00e1 sch\u00e9mata?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 8<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"88522\" class=\"elementor elementor-88522 elementor-2803\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-34f082f3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"34f082f3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-66da591f\" data-id=\"66da591f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6726239 elementor-widget elementor-widget-text-editor\" data-id=\"6726239\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Pro zn\u00e1zorn\u011bn\u00ed struktury elektronick\u00fdch nebo elektrick\u00fdch obvod\u016f pou\u017e\u00edv\u00e1me tzv. obvodov\u00e1 sch\u00e9mata <\/b>.<br \/>\nDla projektant\u00f3w stanowi\u0105 one podstawowe narz\u0119dzie podczas wykonywania dokumentacji: na podstawie schemat\u00f3w tworzy si\u0119 bowiem np. projekty <b><a href=\"https:\/\/botland.com.pl\/18-plytki-prototypowe\" data-wpel-link=\"internal\">p\u0142ytek drukowanych<\/a><\/b>; s\u0105 one przydatne tak\u017ce jako baza do wykonywania oblicze\u0144.<br \/>\nWarto wspomnie\u0107 te\u017c, \u017ce w\u0142a\u015bnie ze schemat\u00f3w ideowych uk\u0142ad\u00f3w elektronicznych czerpie si\u0119 dane do sporz\u0105dzania listy element\u00f3w (materia\u0142\u00f3w), nazywanej z angielskiego BOM (<em>bill of materials<\/em>).<br \/>\nZ tego wzgl\u0119du ju\u017c na samym pocz\u0105tku przygody z <b><a href=\"https:\/\/botland.cz\/12-elektronika\" data-wpel-link=\"internal\">elektronik\u0105 <\/a><\/b>nale\u017cy nauczy\u0107 si\u0119 czytania takich rysunk\u00f3w \u2013 jest to proces, kt\u00f3ry (tak jak w prawie ka\u017cdej innej dziedzinie) wymaga po prostu praktyki.<br \/>\nI cho\u0107 bieg\u0142o\u015bci w analizie schemat\u00f3w nie da si\u0119 zdoby\u0107 od razu, to jednak z czasem, po przejrzeniu wielu schematycznych rysunk\u00f3w dojdziesz do wniosku, \u017ce zaczynasz je rozumie\u0107, a symbole, linie oraz po\u0142\u0105czenia na schematach odczytujesz z tak\u0105 sam\u0105 \u0142atwo\u015bci\u0105, jak litery w ksi\u0105\u017ckach.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-164033b elementor-widget elementor-widget-text-editor\" data-id=\"164033b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Jak \u010d\u00edst elektrick\u00e1 a elektronick\u00e1 sch\u00e9mata?<\/h2>\n<p>Dlouhodob\u011bj\u0161\u00ed praxe ve \u010dten\u00ed sch\u00e9mat umo\u017e\u0148uje rychle, pohodln\u011b a bezchybn\u011b rozpoznat vztahy nebo spojen\u00ed mezi prvky, ale tak\u00e9 &#8211; a to je v um\u011bn\u00ed anal\u00fdzy sch\u00e9mat kl\u00ed\u010dov\u00e9 &#8211; usnad\u0148uje pochopit, jak\u00e1 je logika konstrukce dan\u00e9ho obvodu, s jak\u00fdm typem obvodu m\u00e1me co do \u010din\u011bn\u00ed a jak m\u00e1 fungovat. Pro lidi, kte\u0159\u00ed se \u010dten\u00edm elektrick\u00fdch a elektronick\u00fdch sch\u00e9mat za\u010d\u00ednaj\u00ed, se m\u016f\u017ee zd\u00e1t dokonce p\u0159ekvapiv\u00e9, \u017ee <b>pouze pomoc\u00ed sch\u00e9matu jsme schopni p\u0159edpov\u011bd\u011bt, jak\u00e9 nap\u011bt\u00ed se objev\u00ed v ur\u010dit\u00fdch bodech obvodu nebo jak\u00e9 proudy v n\u011bm pote\u010dou<\/b>. Ve skute\u010dnosti je mo\u017en\u00e9 takov\u00e9 \u00fadaje ur\u010dit &#8211; je to jen ot\u00e1zka cviku. S ur\u010ditou zku\u0161enost\u00ed je mo\u017en\u00e9 p\u0159edv\u00eddat nejen chov\u00e1n\u00ed obvodu, ale i jeho parametry a funkce, a dokonce odhalit chyby v n\u00e1vrhu je\u0161t\u011b p\u0159ed sestaven\u00edm a uveden\u00edm prototypu do provozu.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ab7ec8 elementor-widget elementor-widget-text-editor\" data-id=\"3ab7ec8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Co bylo d\u0159\u00edv &#8211; sch\u00e9ma nebo za\u0159\u00edzen\u00ed?<\/h3>\n<p>A\u010dkoli se toto t\u00e9ma t\u00fdk\u00e1 sp\u00ed\u0161e n\u00e1vrhu obvod\u016f ne\u017e pouh\u00e9ho \u010dten\u00ed sch\u00e9mat, je t\u0159eba hned te\u010f zd\u016fraznit, \u017ee <b>sch\u00e9ma za\u0159\u00edzen\u00ed se v\u017edy vytv\u00e1\u0159\u00ed jako prvn\u00ed<\/b>. Samoz\u0159ejm\u011b, \u017ee na za\u010d\u00e1tku v\u00fduky elektroniky m\u016f\u017eete experimentovat metodou pokus-omyl a zapojovat r\u016fzn\u00e9 konfigurace jednoduch\u00fdch elektronick\u00fdch obvod\u016f na kontaktn\u00ed desce, ale ur\u010dit\u011b si um\u011bn\u00ed elektroniky osvoj\u00edte za tak kr\u00e1tkou dobu, \u017ee si nejprve nakresl\u00edte obvod na pap\u00edr nebo v po\u010d\u00edta\u010dov\u00e9m programu a teprve pozd\u011bji jej p\u0159enesete na prototypovou desku. <\/p>\n<p>Pro\u010d mus\u00ed n\u00e1vrh sch\u00e9matu p\u0159edch\u00e1zet n\u00e1vrhu <b>desky plo\u0161n\u00fdch spoj\u016f<\/b>? Prvn\u00edm d\u016fvodem je, \u017ee takov\u00e1 analytick\u00e1 f\u00e1ze je pro elektroniky jednodu\u0161\u0161\u00ed &#8211; nakreslit rozvr\u017een\u00ed a v klidu rozvrhnout jednotliv\u00e9 sou\u010d\u00e1stky zabere mnohem m\u00e9n\u011b \u010dasu ne\u017e jejich okam\u017eit\u00e9 um\u00edst\u011bn\u00ed na desku.  <\/p>\n<p>Za druh\u00e9 (a to m\u00e1 velk\u00fd v\u00fdznam v p\u0159\u00edpad\u011b &#8220;seri\u00f3zn\u00ed&#8221;, tj. pr\u016fmyslov\u00e9 elektroniky) v\u00fdroba prototypu je n\u00e1kladn\u00e1 a vy\u017eaduje mnohem v\u00edce \u010dasu ne\u017e schematick\u00fd v\u00fdkres. <\/p>\n<p>Za t\u0159et\u00ed, pokud je n\u00e1vrh vytvo\u0159en v po\u010d\u00edta\u010dov\u00e9m programu pat\u0159\u00edc\u00edm do skupiny tzv. program\u016f EDA, n\u00e1vrh desky p\u0159irozen\u011b vypl\u00fdv\u00e1 p\u0159\u00edmo ze sch\u00e9matu &#8211; software automaticky vygeneruje p\u00e1jec\u00ed plo\u0161ky pro p\u0159\u00edslu\u0161n\u00e9 sou\u010d\u00e1stky a vytvo\u0159\u00ed po\u010d\u00e1te\u010dn\u00ed spoje mezi nimi, zat\u00edmco \u00fakolem konstrukt\u00e9ra je rozm\u00edstit sou\u010d\u00e1stky a v\u00e9st kone\u010dn\u00e9 cesty.  <\/p>\n<p>Sch\u00e9ma zn\u00e1zor\u0148uje ur\u010dit\u00e9 z\u00e1le\u017eitosti symbolicky, tak\u017ee se m\u016f\u017ee st\u00e1t, \u017ee skute\u010dn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed elektronick\u00fdch sou\u010d\u00e1stek nebo jejich \u010d\u00e1st\u00ed, jako nap\u0159\u00edklad v p\u0159\u00edpad\u011b v\u00fdvod\u016f mikrokontrol\u00e9ru, bude ve skute\u010dnosti vypadat trochu jinak ne\u017e na sch\u00e9matu. V dokumentaci za\u0159\u00edzen\u00ed tedy m\u00e1me dva r\u016fzn\u00e9 n\u00e1vrhy: sch\u00e9ma a konkr\u00e9tn\u00ed n\u00e1vrh desky plo\u0161n\u00fdch spoj\u016f (nebo desek plo\u0161n\u00fdch spoj\u016f) zalo\u017een\u00fd na sch\u00e9matu (s cestami, uspo\u0159\u00e1d\u00e1n\u00edm sou\u010d\u00e1stek atd.). V tomto \u010dl\u00e1nku se zam\u011b\u0159\u00edme na prvn\u00ed zm\u00edn\u011bn\u00fd typ v\u00fdkresu.  <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f755290 elementor-widget elementor-widget-text-editor\" data-id=\"f755290\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u010cten\u00ed elektrick\u00fdch a elektronick\u00fdch sch\u00e9mat &#8211; z\u00e1kladn\u00ed principy<\/h2>\n<p>Nau\u010dit se \u010d\u00edst sch\u00e9mata, a tedy i navrhovat je, by znamenalo za\u010d\u00edt s n\u011bkolika z\u00e1kladn\u00edmi, b\u011b\u017en\u011b pou\u017e\u00edvan\u00fdmi pravidly. Zaprv\u00e9: <b>v\u0161echna zapojen\u00ed kresl\u00edme pomoc\u00ed p\u0159\u00edmek,<\/b> kter\u00e9 spojuj\u00ed jednotliv\u00e9 konce sou\u010d\u00e1stek. Tyto \u010d\u00e1ry bychom m\u011bli v\u00e9st pokud mo\u017eno svisle nebo vodorovn\u011b a m\u011bly by se k\u0159\u00ed\u017eit v prav\u00e9m \u00fahlu. <b>I samotn\u00fd vzhled m\u00edsta k\u0159\u00ed\u017een\u00ed je d\u016fle\u017eit\u00fd<\/b> &#8211; tomu byste m\u011bli v\u011bnovat pozornost jak p\u0159i tvorb\u011b, tak p\u0159i \u010dten\u00ed sch\u00e9mat zapojen\u00ed! Pokud se dv\u011b \u010d\u00e1ry k\u0159\u00ed\u017e\u00ed, ale v m\u00edst\u011b jejich pr\u016fse\u010d\u00edku nen\u00ed te\u010dka, jedn\u00e1 se o nespojit\u00e9 \u010d\u00e1ry. Pokud je naopak v m\u00edst\u011b pr\u016fse\u010d\u00edku te\u010dka (\u201etu\u010dn\u00fdm p\u00edsmem\u201c) viditeln\u00e1, m\u00e1me co do \u010din\u011bn\u00ed s tzv. k\u0159i\u017eovatkou, tj. jednodu\u0161e elektrick\u00fdm spojen\u00edm dvou k\u0159\u00ed\u017e\u00edc\u00edch se \u010dar.     <\/p>\n<p>P\u0159ipojen\u00ed by m\u011bla b\u00fdt vedena tak, aby \u010dten\u00ed sch\u00e9matu bylo co nejjednodu\u0161\u0161\u00ed a nejintuitivn\u011bj\u0161\u00ed. Nen\u00ed tak\u00e9 uvedeno, \u017ee veden\u00ed se nikdy nevedou pod jin\u00fdm ne\u017e prav\u00fdm \u00fahlem (tj. jinak ne\u017e vodorovn\u011b a svisle). V n\u011bkter\u00fdch situac\u00edch je dokonce vhodn\u00e9 &#8211; v z\u00e1jmu \u010ditelnosti diagramu a ur\u010dit\u00fdch po l\u00e9ta zaveden\u00fdch kreslic\u00edch konvenc\u00ed &#8211; v\u00e9st \u010d\u00e1ry \u0161ikmo. Tak je tomu nap\u0159\u00edklad u takzvan\u00e9 &#8220;m\u016fstkov\u00e9&#8221; konstrukce; nap\u0159\u00edklad u klasick\u00e9ho usm\u011br\u0148ovac\u00edho m\u016fstku. Doty\u010dn\u00fd obvod se skl\u00e1d\u00e1 ze \u010dty\u0159 prvk\u016f (usm\u011br\u0148ovac\u00edch diod) um\u00edst\u011bn\u00fdch tak, jak jsme uk\u00e1zali na obr\u00e1zku.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a534f4 elementor-widget elementor-widget-image\" data-id=\"0a534f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"180\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/Diodebridge1.png\" class=\"attachment-large size-large wp-image-54048\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Sch\u00e9ma usm\u011br\u0148ovac\u00edho m\u016fstku.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-875936e elementor-widget elementor-widget-text-editor\" data-id=\"875936e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>V dob\u0159e navr\u017een\u00e9m sch\u00e9matu zapojen\u00ed se v\u0161echna zapojen\u00ed sou\u010d\u00e1stek a jejich rozm\u00edst\u011bn\u00ed na v\u00fdkrese \u0159\u00edd\u00ed pevn\u00fdmi logick\u00fdmi pravidly. Pokud se p\u0159i n\u00e1vrhu obvod\u016f \u0159\u00edd\u00edme t\u011bmito konven\u010dn\u00edmi pravidly, m\u016f\u017eeme si b\u00fdt t\u00e9m\u011b\u0159 jisti, \u017ee n\u00e1vrh bude \u010dten spr\u00e1vn\u011b. Nap\u0159\u00edklad b\u011b\u017enou konvenc\u00ed ve sch\u00e9matech, kterou byste m\u011bli dodr\u017eovat p\u0159i tvorb\u011b vlastn\u00ed dokumentace, je, \u017ee <b>veden\u00ed s vy\u0161\u0161\u00edm potenci\u00e1lem (nap\u0159. kladn\u00fd p\u00f3l baterie nebo zdroje) by m\u011blo b\u00fdt na sch\u00e9matu um\u00edst\u011bno v\u00fd\u0161e ne\u017e prvky s ni\u017e\u0161\u00edm potenci\u00e1lem (nap\u0159. zem)<\/b>. Dne\u0161n\u00ed elektronici jsou na toto pravidlo obvykle natolik zvykl\u00ed, \u017ee dokonce intuitivn\u011b pova\u017euj\u00ed spoje um\u00edst\u011bn\u00e9 v horn\u00ed \u010d\u00e1sti sch\u00e9matu za spoje s vy\u0161\u0161\u00edm potenci\u00e1lem &#8211; zejm\u00e9na v p\u0159\u00edpad\u011b nap\u00e1jec\u00edch veden\u00ed. Ve skute\u010dnosti se odchylky od tohoto pravidla vyskytuj\u00ed pouze ve sch\u00e9matech z 60. nebo 70. let minul\u00e9ho stolet\u00ed. Ve skute\u010dnosti lze odchylky od t\u00e9to z\u00e1sady nal\u00e9zt pouze ve sch\u00e9matech z 60. nebo 70. let 20. stolet\u00ed. Ve skute\u010dnosti lze v\u00fdjimky z tohoto pravidla nal\u00e9zt pouze ve sch\u00e9matech ze 60. nebo 70. let.      <\/p>\n<p>Druh\u00fdm b\u011b\u017en\u00fdm postupem p\u0159i um\u00eds\u0165ov\u00e1n\u00ed sou\u010d\u00e1stek na elektrick\u00fdch a elektronick\u00fdch sch\u00e9matech je <b>um\u00edst\u011bn\u00ed vstupn\u00edch obvod\u016f vlevo a v\u00fdstupn\u00edch obvod\u016f vpravo<\/b>. Stejn\u011b jako p\u0159i \u010dten\u00ed knihy, kdy\u017e pohybujeme pohledem zleva doprava, jsou sign\u00e1ly jakoby &#8220;vstupov\u00e1ny&#8221; z lev\u00e9 strany, zpracov\u00e1v\u00e1ny na dal\u0161\u00edch stupn\u00edch obvod\u016f a v\u00fdstupn\u00ed sign\u00e1ly jsou vyvedeny na pravou stranu. Sign\u00e1l tedy logicky proch\u00e1z\u00ed obvodem stejn\u00fdm zp\u016fsobem, jako text proch\u00e1z\u00ed str\u00e1nkou v na\u0161\u00ed evropsk\u00e9 \u010dten\u00e1\u0159sk\u00e9 konvenci. Ve sv\u00e9 elektronick\u00e9 praxi se pravd\u011bpodobn\u011b setk\u00e1te se situacemi, kdy tuto z\u00e1sadu nelze uplatnit, ale dodr\u017eujte ji, kdykoli je to mo\u017en\u00e9. Zvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00fd bude nap\u0159\u00edklad p\u0159i kreslen\u00ed sch\u00e9mat nap\u00e1jen\u00ed: bude z n\u011bj z\u0159ejm\u00e9, kde m\u00e1me vstup a kde v\u00fdstup sign\u00e1lu.    <\/p>\n<p>Tot\u00e9\u017e prove\u010fte s analogov\u00fdmi filtra\u010dn\u00edmi obvody nebo dokonce s obvody zesilova\u010d\u016f, jako je nap\u0159\u00edklad audio zesilova\u010d. Na lev\u00e9 stran\u011b sch\u00e9matu budete m\u00edt vstupn\u00ed svorky, za nimi p\u0159edzesilovac\u00ed stupe\u0148, pak n\u00e1sledn\u00e9 obvody a\u017e po v\u00fdkonov\u00fd zesilova\u010d, tj. posledn\u00ed zesilovac\u00ed stupe\u0148, kter\u00fd ji\u017e dod\u00e1v\u00e1 spr\u00e1vn\u00fd v\u00fdkon reproduktoru nebo sluch\u00e1tk\u016fm a kter\u00fd bude na prav\u00e9 stran\u011b. D\u00edky takto nakreslen\u00e9mu sch\u00e9matu m\u016f\u017eete snadno o\u010dima vysledovat po\u0159ad\u00ed, v jak\u00e9m bude n\u00e1\u0161 elektrick\u00fd sign\u00e1l fyzicky proch\u00e1zet obvodem. P\u0159ehledn\u00e9 zn\u00e1zorn\u011bn\u00ed sou\u010d\u00e1stek a f\u00e1z\u00ed obvodu je d\u016fle\u017eit\u00e9 tak\u00e9 proto, \u017ee sch\u00e9mata obvod\u016f \u010dasto obsahuj\u00ed n\u011bkter\u00e9 p\u0159ekvapiv\u00e9 \u010d\u00e1sti, a to nejen pro za\u010d\u00e1te\u010dn\u00edky v elektronice. Pokud je v\u0161ak cel\u00e1 konvence uspo\u0159\u00e1d\u00e1n\u00ed prvk\u016f na sch\u00e9matu zachov\u00e1na v logick\u00e9, intuitivn\u00ed podob\u011b, pak se i tyto m\u00e9n\u011b n\u00e1padn\u00e9 prvky nebo \u010d\u00e1sti sch\u00e9matu l\u00e9pe \u010dtou.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85561ad elementor-widget elementor-widget-text-editor\" data-id=\"85561ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Symboly sou\u010d\u00e1stek ve sch\u00e9matech zapojen\u00ed<\/h3>\n<p><b>Symboly sou\u010d\u00e1stek pou\u017e\u00edvan\u00e9 v elektrick\u00fdch a elektronick\u00fdch sch\u00e9matech jsou standardizovan\u00e9 a podobn\u00e9<\/b> bez ohledu na to, ve kter\u00e9 zemi je dan\u00e9 sch\u00e9ma vytvo\u0159eno. Samoz\u0159ejm\u011b m\u016f\u017eeme pozorovat n\u011bkter\u00e9 rozd\u00edly &#8211; ty jsou patrn\u00e9 zejm\u00e9na u n\u011bkter\u00fdch typ\u016f sou\u010d\u00e1stek, jako nap\u0159. <a href=\"https:\/\/botland.cz\/51-kondenzatory\" data-wpel-link=\"internal\"><b>kondenz\u00e1tory<\/b> <\/a>polarizovan\u00e9 (elektrolytick\u00e9) kondenz\u00e1tory nebo <b><a href=\"https:\/\/botland.cz\/56-tlumivky\" data-wpel-link=\"internal\">induktory (tlumivky)<\/a><\/b> a dal\u0161\u00edch induk\u010dn\u00edch sou\u010d\u00e1stek. Nejv\u011bt\u0161\u00ed rozd\u00edly se projev\u00ed u logick\u00fdch hradel a dal\u0161\u00edch prvk\u016f z\u00e1kladn\u00ed \u010d\u00edslicov\u00e9 elektroniky. Prozat\u00edm se v\u0161ak nebudeme zab\u00fdvat normaliza\u010dn\u00edmi detaily kreslen\u00ed sch\u00e9mat logick\u00fdch obvod\u016f, ale pod\u00edv\u00e1me se na z\u00e1kladn\u00ed a nejb\u011b\u017en\u011bj\u0161\u00ed prvky.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-356bccd elementor-widget elementor-widget-image\" data-id=\"356bccd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"symbole-elektroniczne1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTYwNDgsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmN6XC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDIxXC8wM1wvc3ltYm9sZS1lbGVrdHJvbmljem5lMS5wbmcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1601\" height=\"1000\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1.png\" class=\"attachment-full size-full wp-image-56048\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1.png 1601w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1-300x187.png 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1-1024x640.png 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1-768x480.png 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/03\/symbole-elektroniczne1-1536x959.png 1536w\" sizes=\"(max-width: 1601px) 100vw, 1601px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51de40e elementor-widget elementor-widget-text-editor\" data-id=\"51de40e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Vytv\u00e1\u0159en\u00ed a \u010dten\u00ed elektronick\u00fdch sch\u00e9mat v po\u010d\u00edta\u010dov\u00fdch programech<\/h3>\n<p>Po\u010d\u00edta\u010dov\u00e9 programy (nap\u0159. popul\u00e1rn\u00ed program pro n\u00e1vrh elektroniky Eagle), stejn\u011b jako velk\u00e1 n\u00e1vrhov\u00e1 prost\u0159ed\u00ed ur\u010den\u00e1 profesion\u00e1ln\u00edm elektronik\u016fm (nap\u0159. Altium Designer), tak\u00e9 pou\u017e\u00edvaj\u00ed speci\u00e1ln\u00ed prvky sch\u00e9mat. Ty nespecifikuj\u00ed sou\u010d\u00e1stky, kter\u00e9 jsou fyzicky p\u0159ip\u00e1jeny na desce plo\u0161n\u00fdch spoj\u016f, ale umo\u017e\u0148uj\u00ed zna\u010dn\u011b zjednodu\u0161it sch\u00e9mata. Jsou zn\u00e1m\u00e9 jako <em>net labels<\/em> nebo popisky s\u00edt\u00ed. Pokud jsou dv\u011b \u010d\u00e1sti obvodu v dan\u00e9m sch\u00e9matu elektronick\u00e9ho obvodu specifikov\u00e1ny stejn\u00fdm n\u00e1zvem a stejn\u00fdm symbolem (n\u011bkdy je symbol vynech\u00e1n a jedin\u00fdm ozna\u010den\u00edm z\u016fst\u00e1v\u00e1 n\u00e1pis um\u00edst\u011bn\u00fd p\u0159\u00edmo nad voln\u00fdm koncem spojovac\u00ed \u010d\u00e1ry), pak v\u00edme, \u017ee tyto dv\u011b \u010d\u00e1ry jsou skute\u010dn\u011b vz\u00e1jemn\u011b propojeny.    <\/p>\n<p>Tento p\u0159\u00edstup zvy\u0161uje \u010ditelnost sch\u00e9matu zapojen\u00ed, proto\u017ee nemus\u00edme v\u00e9st danou linku cel\u00fdm sch\u00e9matem a obch\u00e1zet ostatn\u00ed prvky a spoje. Sta\u010d\u00ed popsat dv\u011b \u010d\u00e1sti obvodu stejn\u00fdm n\u00e1zvem s\u00edt\u011b <br \/>(z ang. <em>net<\/em>) &#8211; ozna\u010den\u00edm obvod\u016f, kter\u00e9 jsou na stejn\u00e9m potenci\u00e1lu, je program logicky spoj\u00ed dohromady. Na druhou stranu z\u00edsk\u00e1me zp\u011bt tolik pot\u0159ebn\u00fd prostor pro sm\u011brov\u00e1n\u00ed spoj\u016f a z\u00edsk\u00e1me p\u0159ehledn\u011bj\u0161\u00ed sch\u00e9ma. P\u0159\u00edklad \u0159e\u0161en\u00ed viz obr\u00e1zek.    <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc4fd5b elementor-widget elementor-widget-image\" data-id=\"fc4fd5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"466\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi-1024x596.png\" class=\"attachment-large size-large wp-image-54109\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi-1024x596.png 1024w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi-300x175.png 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi-768x447.png 768w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi-640x373.png 640w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/05\/329vi.png 1314w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Sch\u00e9ma od spole\u010dnosti Eagle.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a2fa48 elementor-widget elementor-widget-text-editor\" data-id=\"9a2fa48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jak vid\u00edte <b><a href=\"https:\/\/botland.cz\/50-rezistory-odporniky\" data-wpel-link=\"internal\">rezistory <\/a><\/b>(odporniky) jsou ozna\u010deny jako podlouhl\u00fd obd\u00e9ln\u00edk s dutinou uprost\u0159ed. Pokud \u0161ipka s dal\u0161\u00edm t\u0159et\u00edm vodi\u010dem proch\u00e1z\u00ed (nebo dosahuje) t\u00edmto obd\u00e9ln\u00edkem, m\u00e1me co do \u010din\u011bn\u00ed s potenciometrem.  <span style=\"font-size: 1rem;\">Dal\u0161\u00ed t\u0159et\u00ed \u0159\u00e1dek nen\u00ed nic jin\u00e9ho ne\u017e p\u0159ipojen\u00ed posuvn\u00edku.<b><a href=\"https:\/\/botland.cz\/132-napajeni\" data-wpel-link=\"internal\"> \u010cl\u00e1nek<\/a><\/b> je naopak vyzna\u010dena jako dv\u011b \u010d\u00e1ry kolm\u00e9 na spojovac\u00ed \u010d\u00e1ry. Del\u0161\u00ed, \u010dasto ten\u010d\u00ed, ozna\u010duje kladn\u00fd p\u00f3l, zat\u00edmco krat\u0161\u00ed a (obvykle) siln\u011bj\u0161\u00ed ozna\u010duje z\u00e1porn\u00fd p\u00f3l, tj. katodu.  <\/span><\/p>\n<p><span style=\"font-size: 1rem;\">Samoz\u0159ejm\u011b, pokud se jedn\u00e1 o <b><a href=\"https:\/\/botland.cz\/195-baterie\" data-wpel-link=\"internal\">baterie<\/a><\/b> &#8211; kter\u00e1 je s\u00e9riov\u00fdm zapojen\u00edm n\u011bkolika \u010dl\u00e1nk\u016f &#8211; pak je kresl\u00edme postupn\u011b, jeden vedle druh\u00e9ho, a jejich po\u010det obvykle odpov\u00edd\u00e1 skute\u010dn\u00e9mu po\u010dtu \u010dl\u00e1nk\u016f, kter\u00e9 baterie m\u00e1.<\/span><\/p>\n<p>Kondenz\u00e1tory zna\u010d\u00edme podobn\u011b jako baterie, ob\u011b \u010d\u00e1rky maj\u00ed stejnou d\u00e9lku a tlou\u0161\u0165ku. V p\u0159\u00edpad\u011b keramick\u00fdch a filmov\u00fdch kondenz\u00e1tor\u016f je toto ozna\u010den\u00ed jednoduch\u00e9, zat\u00edmco pokud m\u00e1me co do \u010din\u011bn\u00ed s elektrolytick\u00fdm kondenz\u00e1torem, pak je jedna z poml\u010dek nahrazena obd\u00e9ln\u00edkem ohrani\u010den\u00fdm tenkou \u010darou, vedle kter\u00e9ho je obvykle znam\u00e9nko plus. To znamen\u00e1, \u017ee pr\u00e1v\u011b tento konec kondenz\u00e1toru by m\u011bl b\u00fdt p\u0159ipojen na vy\u0161\u0161\u00ed potenci\u00e1l (nezapome\u0148te, \u017ee u elektrolytick\u00fdch kondenz\u00e1tor\u016f je velmi d\u016fle\u017eit\u00e1 polarita, tj. sm\u011br nap\u011bt\u00ed p\u0159ipojen\u00e9ho ke kondenz\u00e1toru).  <\/p>\n<p>Pokud jde o zna\u010den\u00ed c\u00edvek, m\u016f\u017eeme rozli\u0161ovat mezi dv\u011bma nejb\u011b\u017en\u011bj\u0161\u00edmi konvencemi. Prvn\u00ed, \u010dast\u011bji pou\u017e\u00edvan\u00e1 v USA, je ozna\u010den\u00ed c\u00edvky n\u011bkolika p\u016flkruhy, kter\u00e9 simuluj\u00ed vzhled vinut\u00ed. Druh\u00e9, zjednodu\u0161en\u00e9 ozna\u010den\u00ed, je naproti tomu jednodu\u0161e cel\u00fd obd\u00e9ln\u00edk, uvnit\u0159 nat\u0159en\u00fd \u010dernou barvou. S t\u00edmto symbolem se nej\u010dast\u011bji setk\u00e1te na evropsk\u00fdch sch\u00e9matech jako s ozna\u010den\u00edm pro tlumivky, nap\u0159. antiinterferen\u010dn\u00ed nebo tlumivky pou\u017e\u00edvan\u00e9 v DC\/DC m\u011bni\u010d\u00edch. <b><a href=\"https:\/\/botland.cz\/57-led-diody\" data-wpel-link=\"internal\">Diody <\/a><\/b>jsou ozna\u010deny jako troj\u00faheln\u00edk (obvykle rovnostrann\u00fd) s dodate\u010dn\u011b nakreslenou \u010darou. \u010c\u00e1rka ozna\u010duje katodu, zat\u00edmco z\u00e1kladna troj\u00faheln\u00edku ozna\u010duje anodu diody. Pokud jsou v ozna\u010den\u00ed diody dv\u011b \u0161ipky k troj\u00faheln\u00edku, m\u00e1me co do \u010din\u011bn\u00ed s fotodiodou, tj. sv\u011btlocitlivou diodou. Pokud naopak \u0161ipky sm\u011b\u0159uj\u00ed z troj\u00faheln\u00edku ven, m\u00e1me co do \u010din\u011bn\u00ed se sv\u011btelnou diodou, tj. diodou LED.      <\/p>\n<p>Krom\u011b v\u00fd\u0161e popsan\u00fdch symbol\u016f je u\u017eite\u010dn\u00e9 nau\u010dit se tak\u00e9 r\u016fzn\u00e9 verze ozna\u010den\u00ed pro kontaktn\u00ed prvky: tla\u010d\u00edtka nebo sp\u00edna\u010de. Na obr\u00e1zku jsme uvedli nejb\u011b\u017en\u011bj\u0161\u00ed a nejintuitivn\u011bj\u0161\u00ed ozna\u010den\u00ed t\u011bchto prvk\u016f. Prvn\u00ed symbol ozna\u010duje (nej\u010dast\u011bji, ale ne v\u017edy) bistabiln\u00ed sp\u00edna\u010d, tj. takov\u00fd, kter\u00fd p\u0159i sepnut\u00ed udr\u017euje svou polohu (jako nap\u0159. v\u00fdkonov\u00e9 sp\u00edna\u010de). Druh\u00fd symbol se pou\u017e\u00edv\u00e1 pro monostabiln\u00ed neboli momentov\u00e9 sp\u00edna\u010de &#8211; ty p\u0159i stisknut\u00ed pouze zkratuj\u00ed obvod. Takto se na sch\u00e9matech zapojen\u00ed obvykle ozna\u010duj\u00ed nap\u0159\u00edklad popul\u00e1rn\u00ed mikrosp\u00edna\u010de.    <\/p>\n<p><b><a href=\"https:\/\/botland.cz\/228-merici-zarizeni\" data-wpel-link=\"internal\">M\u011b\u0159ic\u00ed p\u0159\u00edstroje<\/a><\/b>, tj. voltmetry a amp\u00e9rmetry, jsou ozna\u010deny jako kruh s p\u00edsmenem V (u voltmetr\u016f) nebo A (u amp\u00e9rmetr\u016f). Tyto typy prvk\u016f se dnes na sch\u00e9matech vyskytuj\u00ed jen z\u0159\u00eddka, i kdy\u017e je vhodn\u00e9 si je p\u0159ipomenout, proto\u017ee v sou\u010dasn\u00e9 dob\u011b je ji\u017e mnoho p\u0159\u00edstroj\u016f vybaveno vestav\u011bn\u00fdmi analogov\u00fdmi nebo digit\u00e1ln\u00edmi indik\u00e1tory. Zmi\u0148me nap\u0159\u00edklad nap\u00e1jec\u00ed zdroje nebo audio zesilova\u010de s analogov\u00fdm indik\u00e1torem (ukazatelem p\u0159\u00edstroje). Tento typ ozna\u010den\u00ed se tak\u00e9 velmi \u010dasto vyskytuje v u\u010debnic\u00edch elektroniky nebo elektrotechniky, na sch\u00e9matech zn\u00e1zor\u0148uj\u00edc\u00edch r\u016fzn\u00e9 m\u011b\u0159ic\u00ed syst\u00e9my pomoc\u00ed voltmetr\u016f nebo amp\u00e9rmetr\u016f.   <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f13066 elementor-widget elementor-widget-text-editor\" data-id=\"1f13066\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Shrnut\u00ed<\/h3>\n<p><b>Schopnost rychle a bezchybn\u011b <\/b><strong>\u010d\u00edst sch\u00e9mata<\/strong> je pro ka\u017ed\u00e9ho elektronika nezbytn\u00e1, a proto v\u00e1m doporu\u010dujeme za\u010d\u00edt postupn\u011b analyzovat st\u00e1le slo\u017eit\u011bj\u0161\u00ed v\u00fdkresy ji\u017e dnes. I kdy\u017e v\u00e1s zpo\u010d\u00e1tku vyd\u011bs\u00ed (zejm\u00e9na v p\u0159\u00edpad\u011b velk\u00fdch za\u0159\u00edzen\u00ed), \u010dasem si jist\u011b za\u010dnete v\u0161\u00edmat n\u011bkter\u00fdch struktur a obvod\u016f, kter\u00e9 jsou v\u00e1m ji\u017e pov\u011bdom\u00e9.  <\/p>\n<p><b>Mo\u017enost <\/b><strong>analyzovat elektronick\u00e1 a elektrick\u00e1 sch\u00e9mata<\/strong> nejen usnad\u0148uje voln\u00e9 \u010dten\u00ed dokumentace, v\u010detn\u011b z\u00e1m\u011bru konstrukt\u00e9ra nebo dokonce parametr\u016f konkr\u00e9tn\u00edch obvod\u016f \u010di jejich \u010d\u00e1st\u00ed, ale tak\u00e9 d\u00e1v\u00e1 mo\u017enost vyu\u017e\u00edt obrovskou datab\u00e1zi sch\u00e9mat, kter\u00e1 je k dispozici v knih\u00e1ch, na internetu a v materi\u00e1lech v\u00fdrobc\u016f. Z\u00edsk\u00e1n\u00edm znalost\u00ed zna\u010den\u00ed a symbol\u016f tak z\u00edsk\u00e1te obrovsk\u00fd a neoceniteln\u00fd n\u00e1stroj pro dal\u0161\u00ed vzd\u011bl\u00e1v\u00e1n\u00ed a tr\u00e9nink v oblasti vlastn\u00edho projektov\u00e1n\u00ed. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d440565 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d440565\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bb0d2bd\" data-id=\"bb0d2bd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-658f4c4 elementor-widget elementor-widget-text-editor\" data-id=\"658f4c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"k-faq-accord\">\n<h2>Elektrick\u00e1 sch\u00e9mata &#8211; \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n<div class=\"tabs\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck1\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck1\">Co jsou to sch\u00e9mata zapojen\u00ed?<label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Elektrick\u00e1 sch\u00e9mata slou\u017e\u00ed k p\u0159ehledn\u00e9mu zn\u00e1zorn\u011bn\u00ed cel\u00e9 struktury elektrick\u00e9ho nebo elektronick\u00e9ho syst\u00e9mu. Krom\u011b toho se pou\u017e\u00edvaj\u00ed k vytv\u00e1\u0159en\u00ed dokumentace. Jin\u00fdmi slovy jsou to technick\u00e9 v\u00fdkresy zn\u00e1zor\u0148uj\u00edc\u00ed strukturu nap\u0159\u00edklad elektronick\u00e9ho za\u0159\u00edzen\u00ed, tj. v\u0161echny jeho sou\u010d\u00e1sti a zp\u016fsob jejich vz\u00e1jemn\u00e9 interakce (zp\u016fsob jejich zapojen\u00ed).   <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck2\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck2\">Jak vytvo\u0159it elektrick\u00e9 sch\u00e9ma?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">K vytv\u00e1\u0159en\u00ed elektrick\u00fdch sch\u00e9mat se pou\u017e\u00edvaj\u00ed elektrotechnick\u00e9 programy CAD. V mnoha p\u0159\u00edpadech je mo\u017en\u00e9 program zdarma vyzkou\u0161et a ov\u011b\u0159it si jeho funk\u010dnost.  <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck3\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck3\">K jak\u00fdm \u00fa\u010del\u016fm se pou\u017e\u00edv\u00e1 elektrick\u00e9 sch\u00e9ma?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Elektrick\u00e9 sch\u00e9ma se pou\u017e\u00edv\u00e1 mimo jin\u00e9 Je tak\u00e9 neoceniteln\u00e9 pro servis a diagnostiku. Krom\u011b toho je neoceniteln\u00e9 p\u0159i servisn\u00edch a diagnostick\u00fdch \u010dinnostech. Pom\u00e1h\u00e1 lokalizovat vadnou(\u00e9) sou\u010d\u00e1stku(y) a tak\u00e9 poskytuje informace o sou\u010d\u00e1stk\u00e1ch. Dal\u0161\u00ed informace o sch\u00e9matech naleznete v t\u00e9to <a href=\"https:\/\/botland.cz\/blog\/?p=88522\" data-wpel-link=\"internal\">publikaci<\/a>.     <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck4\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck4\">Jak \u010d\u00edst sch\u00e9mata zapojen\u00ed?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Ve sch\u00e9matu zapojen\u00ed najdete elektrick\u00e9 symboly a ozna\u010den\u00ed. Pokud chcete sch\u00e9ma spr\u00e1vn\u011b p\u0159e\u010d\u00edst, m\u011bli byste se s nimi sezn\u00e1mit. Krom\u011b grafick\u00fdch symbol\u016f je u\u017eite\u010dn\u00e9 sezn\u00e1mit se tak\u00e9 s ozna\u010den\u00edm vodi\u010d\u016f. PE znamen\u00e1 ochrann\u00fd vodi\u010d. L znamen\u00e1 f\u00e1zov\u00fd vodi\u010d. L s \u010d\u00edslem, nap\u0159\u00edklad L3, znamen\u00e1 f\u00e1zi 3. N je nulov\u00fd vodi\u010d.        <\/div>\n\n<\/div>\n<\/div>\n\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u010c\u00edst a p\u0159ed\u010d\u00edtat neznamen\u00e1 tot\u00e9\u017e. &#8211; podobn\u011b jako &#8220;d\u00edvat se&#8221; a &#8220;vid\u011bt&#8221;. Zku\u0161en\u00fd pozorovatel v\u017edy uvid\u00ed v\u00edce ne\u017e laik. Jak se \u010dtou elektrick\u00e1 sch\u00e9mata?  <\/p>\n","protected":false},"author":7,"featured_media":60252,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[549,560],"tags":[],"class_list":["post-88522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kompendium-cs","category-poradenstvi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jak \u010d\u00edst elektrick\u00e1 sch\u00e9mata? - Botland<\/title>\n<meta name=\"description\" content=\"Jak \u010d\u00edst elektrick\u00e1 a elektronick\u00e1 sch\u00e9mata? 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