{"id":88912,"date":"2021-06-23T14:00:18","date_gmt":"2021-06-23T12:00:18","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/kontaktron-do-czego-sluzy-i-jak-dziala\/"},"modified":"2024-09-12T13:48:21","modified_gmt":"2024-09-12T11:48:21","slug":"jazyckovy-spinac-k-cemu-se-pouziva-a-jak-funguje","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/jazyckovy-spinac-k-cemu-se-pouziva-a-jak-funguje\/","title":{"rendered":"Jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d &#8211; k \u010demu se pou\u017e\u00edv\u00e1 a jak funguje?"},"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\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"88912\" class=\"elementor elementor-88912 elementor-24405\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74fed7a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"74fed7a\" 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-fc56d3f\" data-id=\"fc56d3f\" 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-0bea730 elementor-widget elementor-widget-text-editor\" data-id=\"0bea730\" 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> Jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de pat\u0159\u00ed mezi podce\u0148ovan\u00e9 komponenty, na kter\u00e9 se p\u0159i n\u00e1vrhu za\u0159\u00edzen\u00ed \u010dasto zapom\u00edn\u00e1. V jak\u00fdch aplikac\u00edch se nejl\u00e9pe osv\u011bd\u010duj\u00ed?  <\/b><\/p>\n<p>Za\u010d\u00ednaj\u00edc\u00ed elektroniky zaj\u00edm\u00e1, <strong>co je to jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d<\/strong> a k \u010demu lze tento mal\u00fd kontaktn\u00ed prvek v praxi pou\u017e\u00edt. A kdy\u017e u\u017e se div\u00ed, tak se stejn\u011b \u010dasto m\u00fdl\u00ed &#8211; asi jsme se setkali se v\u0161emi verzemi z\u00e1pisu, jako je <i>contracton<\/i>, <i>contractron<\/i> a <i>contakton<\/i><b>*<\/b><i>. <\/i>v dob\u011b, kdy kraluj\u00ed magnetick\u00e9 senzory a miniaturn\u00ed optick\u00e9 sn\u00edma\u010de, m\u00e1me tendenci p\u0159ehl\u00ed\u017eet obt\u00ed\u017en\u011bji pou\u017eiteln\u00e9, k\u0159ehk\u00e9 (\u010dasto sklen\u011bn\u00e9) sou\u010d\u00e1stky, p\u0159itom sta\u010d\u00ed si p\u0159ipomenout n\u011bkolik z\u00e1kladn\u00edch princip\u016f, aby levn\u00e9 reedony mohly slou\u017eit v praktick\u00fdch za\u0159\u00edzen\u00edch, kter\u00e1 denn\u011b stav\u00edme v na\u0161ich d\u00edln\u00e1ch. V tomto \u010dl\u00e1nku se na tyto zaj\u00edmav\u00e9 a u\u017eite\u010dn\u00e9 sou\u010d\u00e1stky pod\u00edv\u00e1me bl\u00ed\u017ee a uvedeme \u0159adu praktick\u00fdch rad, kter\u00e9 umo\u017en\u00ed jejich pou\u017eit\u00ed.  <br \/><b>*<\/b> \u0161patn\u011b!<\/p>\n<h2>Jak je jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d konstruov\u00e1n a jak funguje?<\/h2>\n<p>Klasick\u00fd jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d m\u00e1 podobu mal\u00e9ho sklen\u011bn\u00e9ho pouzdra o pr\u016fm\u011bru maxim\u00e1ln\u011b n\u011bkolik milimetr\u016f a d\u00e9lce obvykle 20-30 mm. Prvek m\u00e1 dva axi\u00e1ln\u00ed v\u00fdvody v podob\u011b dr\u00e1tk\u016f, hermeticky zapu\u0161t\u011bn\u00fdch do obou konc\u016f trubi\u010dky. K vodi\u010d\u016fm jsou uvnit\u0159 lumen trubice p\u0159ipojeny dv\u011b tenk\u00e9 feromagnetick\u00e9 desti\u010dky um\u00edst\u011bn\u00e9 tak, aby p\u0159i odpojen\u00ed od vn\u011bj\u0161\u00edho magnetick\u00e9ho pole z\u016fstaly otev\u0159en\u00e9. P\u0159ibl\u00ed\u017een\u00ed magnetu (nebo elektromagnetu), tj. vznik vn\u011bj\u0161\u00edho magnetick\u00e9ho pole, vytvo\u0159\u00ed p\u0159ita\u017elivou s\u00edlu mezi voln\u00fdmi konci obou kontaktn\u00edch desek. Je-li pole dostate\u010dn\u011b siln\u00e9, aby dostate\u010dn\u011b zmagnetizovalo lamely, obvod se uzav\u0159e zkratov\u00e1n\u00edm pracovn\u00edch ploch kontakt\u016f. D\u016fle\u017eit\u00e9 je, \u017ee materi\u00e1l lamel je zvolen tak, aby magnetizace nebyla trval\u00e1, tj. aby po odd\u00e1len\u00ed magnetu zmizela. Materi\u00e1l lamel je zvolen tak, aby magnetizace nebyla trval\u00e1, tj. aby zmizela, kdy\u017e se magnet vzd\u00e1l\u00ed nebo kdy\u017e se vypne proud, v p\u0159\u00edpad\u011b elektromagnetu.      <\/p>\n<h2>Parametry a typy jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u016f<\/h2>\n<p>Krom\u011b jednoduch\u00fdch trubicov\u00fdch jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u016f se dv\u011bma norm\u00e1ln\u011b rozepnut\u00fdmi kontakty (NO) existuje tak\u00e9 \u0159ada speci\u00e1ln\u00edch prvk\u016f s p\u0159ep\u00ednac\u00edmi kontakty (NO\/NC), kter\u00e9 maj\u00ed t\u0159i vodi\u010de (jeden NO, jeden NC a spole\u010dn\u00fd kontakt, ozna\u010dovan\u00fd jako COM. Spole\u010dn\u00fdm rysem v\u011bt\u0161iny jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u016f je v\u0161ak relativn\u011b mal\u00e1 proudov\u00e1 zat\u00ed\u017eitelnost a nap\u011b\u0165ov\u00e1 pevnost &#8211; nen\u00ed proto nejvhodn\u011bj\u0161\u00ed zat\u011b\u017eovat jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d jeho p\u0159\u00edm\u00fdm zapojen\u00edm do nap\u00e1jec\u00edho obvodu za\u0159\u00edzen\u00ed s vy\u0161\u0161\u00edmi elektrick\u00fdmi n\u00e1roky. D\u016fvod se ukazuje b\u00fdt prozaick\u00fd &#8211; p\u0159\u00edli\u0161 vysok\u00e9 zat\u00ed\u017een\u00ed kontakt\u016f zp\u016fsobuje obloukov\u00e9 v\u00fdboje a m\u016f\u017ee v\u00e9st k trval\u00e9mu, nevratn\u00e9mu roztaven\u00ed (zkratu) obou kontakt\u016f.   <\/p>\n<p>Tento princip plat\u00ed i pro tzv. jaz\u00fd\u010dkov\u00e1 rel\u00e9 &#8211; prvky, kter\u00e9 vyu\u017e\u00edvaj\u00ed rychl\u00e9, ale jemn\u00e9 jaz\u00fd\u010dkov\u00e9 kontakty spolupracuj\u00edc\u00ed s c\u00edvkou uzav\u0159enou v jednom pouzd\u0159e. Z hlediska obecn\u00e9ho principu \u010dinnosti se tyto prvky z\u00e1sadn\u011b neli\u0161\u00ed od b\u011b\u017en\u00fdch rel\u00e9, ale jsou vhodn\u011bj\u0161\u00ed pro sp\u00edn\u00e1n\u00ed citliv\u00fdch obvod\u016f pracuj\u00edc\u00edch s n\u00edzk\u00fdmi nap\u011b\u0165ov\u00fdmi a proudov\u00fdmi sign\u00e1ly (nap\u0159. v audioobvodech nebo m\u011b\u0159ic\u00edch za\u0159\u00edzen\u00edch).  <\/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-f37eb8a elementor-widget elementor-widget-image\" data-id=\"f37eb8a\" 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=\"500\" height=\"250\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/06\/magnetyczny.jpg\" class=\"attachment-large size-large wp-image-56626\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/06\/magnetyczny.jpg 500w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2021\/06\/magnetyczny-300x150.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Magnetick\u00e9 senzory<\/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-4ff19ca7 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"4ff19ca7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/464-magneticke-senzory\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">POD\u00cdVEJTE SE NA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\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-c027b7f elementor-widget elementor-widget-text-editor\" data-id=\"c027b7f\" 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>Aplikace jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u016f<\/h2>\n<p>Jednou ze z\u00e1kladn\u00edch a nej\u010dast\u011bji zmi\u0148ovan\u00fdch aplikac\u00ed dan\u00fdch elektronick\u00fdch komponent jsou vnit\u0159n\u00ed popla\u0161n\u00e9 syst\u00e9my. Otev\u0159en\u00ed okna nebo dve\u0159\u00ed m\u016f\u017ee b\u00fdt detekov\u00e1no pomoc\u00ed &nbsp;<strong>jaz\u00fd\u010dkov\u00e9ho sp\u00edna\u010d, pro kter\u00fd se pou\u017e\u00edv\u00e1<\/strong>&nbsp;permanentn\u00ed magnet, namontovan\u00fd nap\u0159. na k\u0159\u00eddle sledovan\u00fdch dve\u0159\u00ed. Tento zp\u016fsob detekce neopr\u00e1vn\u011bn\u00e9ho vstupu do bytu, kancel\u00e1\u0159e nebo skladu je \u00fa\u010dinn\u00fd, ale obvykle vy\u017eaduje dodate\u010dnou ochranu v podob\u011b tzv. sabot\u00e1\u017en\u00ed smy\u010dky, kter\u00e1 sv\u00fdm zp\u016fsobem dopl\u0148uje informace poch\u00e1zej\u00edc\u00ed ze samotn\u00fdch kontakt\u016f NO\/NC.  &nbsp;<\/p><p>P\u0159\u00eddavn\u00fd p\u00e1r vodi\u010d\u016f umo\u017e\u0148uje rozli\u0161it mezi zkratem\/zkr\u00e1cen\u00fdm kontaktem (zp\u016fsoben\u00fdm naru\u0161itelem) a p\u0159est\u0159i\u017een\u00edm vodi\u010d\u016f vedouc\u00edch ze sn\u00edma\u010de do \u0159\u00eddic\u00ed jednotky za \u00fa\u010delem neutralizace poplachu. Jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de se n\u011bkdy pou\u017e\u00edvaj\u00ed tak\u00e9 v cyklistick\u00fdch po\u010d\u00edtadlech k po\u010d\u00edt\u00e1n\u00ed ot\u00e1\u010dek kola (magnet je namontov\u00e1n na jednom z paprsk\u016f a jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d &#8211; v hermetick\u00e9m pouzd\u0159e &#8211; na vidlici kola). Ve v\u0161ech p\u0159\u00edpadech je d\u016fle\u017eit\u00e9 zajistit, aby byl jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d spr\u00e1vn\u011b namontov\u00e1n &#8211; v p\u0159\u00edpad\u011b sou\u010d\u00e1st\u00ed ve sklen\u011bn\u00fdch pouzdrech hroz\u00ed po\u0161kozen\u00ed pouzdra v d\u016fsledku n\u00e1razu nebo nam\u00e1h\u00e1n\u00ed.  <\/p>\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-5c14aaa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c14aaa\" 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-d0c1376\" data-id=\"d0c1376\" 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-c3099b9 elementor-widget elementor-widget-text-editor\" data-id=\"c3099b9\" 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>Jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d &#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\">Jak zkontrolovat jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de?<label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Ke kontrole kontraktoru lze pou\u017e\u00edt <a href=\"https:\/\/botland.cz\/574-univerzalni-merice\" data-wpel-link=\"internal\">univerz\u00e1ln\u00ed m\u011b\u0159ic\u00ed p\u0159\u00edstroj<\/a> (multimetr) vybaven\u00fd funkc\u00ed testu spojitosti. Zkou\u0161ky by se m\u011bly prov\u00e1d\u011bt jak v t\u011bsn\u00e9 bl\u00edzkosti magnetu (v takov\u00e9m p\u0159\u00edpad\u011b by m\u011bl kontraktor v\u00e9st), tak mimo zdroj magnetick\u00e9ho pole (v takov\u00e9m p\u0159\u00edpad\u011b by m\u011bl b\u00fdt obvod rozpojen\u00fd).  <\/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 funguje jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d ve dve\u0159\u00edch?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Princip fungov\u00e1n\u00ed contractronu namontovan\u00e9ho na dve\u0159\u00edch nebo okn\u011b je stejn\u00fd. Sp\u00edna\u010d detekuje otev\u0159en\u00ed dve\u0159\u00ed nebo okna d\u00edky permanentn\u00edmu magnetu, kter\u00fd je namontov\u00e1n na k\u0159\u00eddle. Toto \u0159e\u0161en\u00ed \u010din\u00ed z konektor\u016f z\u00e1kladn\u00ed sou\u010d\u00e1sti zabezpe\u010dovac\u00edch syst\u00e9m\u016f.   <\/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 \u010demu se pou\u017e\u00edvaj\u00ed jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de se pou\u017e\u00edvaj\u00ed mimo jin\u00e9 k tomu, aby v elektrick\u00fdch aplikac\u00edch, jako jsou popla\u0161n\u00e9 syst\u00e9my instalovan\u00e9 v bytech, kancel\u00e1\u0159\u00edch, obchodech a komer\u010dn\u00edch prostor\u00e1ch. Hlavn\u00edm \u00fakolem jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u016f v zabezpe\u010dovac\u00edch syst\u00e9mech je nep\u0159etr\u017eit\u00e9 monitorov\u00e1n\u00ed oken a dve\u0159\u00ed, resp. v podstat\u011b jejich otev\u00edr\u00e1n\u00ed nebo zav\u00edr\u00e1n\u00ed. Dal\u0161\u00ed informace o jaz\u00fd\u010dkov\u00fdch sp\u00edna\u010d\u00edch naleznete v t\u00e9to <a href=\"https:\/\/botland.cz\/blog\/?p=88912\" 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 funguje jaz\u00fd\u010dkov\u00fd senzor?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Fungov\u00e1n\u00ed <a href=\"https:\/\/botland.cz\/464-magneticke-senzory\" data-wpel-link=\"internal\">jaz\u00fd\u010dkov\u00e9ho sp\u00edna\u010de<\/a> je pom\u011brn\u011b jednoduch\u00e9. Uvnit\u0159 kontraktoru jsou dv\u011b (feromagnetick\u00e9) desti\u010dky v otev\u0159en\u00e9 poloze. Pokud se do jejich bl\u00edzkosti um\u00edst\u00ed magnet nebo elektromagnet vytv\u00e1\u0159ej\u00edc\u00ed dostate\u010dn\u011b siln\u00e9 magnetick\u00e9 pole, desky se k sob\u011b p\u0159it\u00e1hnou a sou\u010dasn\u011b uzav\u0159ou obvod. Kdy\u017e vn\u011bj\u0161\u00ed magnetick\u00e9 pole zmiz\u00ed, desky se op\u011bt otev\u0159ou.    <\/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>Jaz\u00fd\u010dkov\u00e9 sp\u00edna\u010de jsou jednoduch\u00e9 kontaktn\u00ed prvky citliv\u00e9 na vn\u011bj\u0161\u00ed magnetick\u00e9 pole &#8211; zjist\u011bte v\u00edce o jejich konstrukci, parametrech a rozsahu pou\u017eit\u00ed.<\/p>\n","protected":false},"author":7,"featured_media":61997,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549],"tags":[],"class_list":["post-88912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-kompendium-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jaz\u00fd\u010dkov\u00fd sp\u00edna\u010d - k \u010demu se pou\u017e\u00edv\u00e1 a jak funguje? 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