{"id":71268,"date":"2023-09-25T14:00:52","date_gmt":"2023-09-25T12:00:52","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/zworka-co-to-jest-i-do-czego-sluzy\/"},"modified":"2026-04-08T11:05:32","modified_gmt":"2026-04-08T09:05:32","slug":"co-je-to-propojka-a-k-cemu-slouzi","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/co-je-to-propojka-a-k-cemu-slouzi\/","title":{"rendered":"Co je to propojka a k \u010demu slou\u017e\u00ed?"},"content":{"rendered":"\u010cas \u010dten\u00ed:<\/span> 3<\/span> min.<\/span><\/span>\t\t
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Propojka – mal\u00e1, ale nepostradateln\u00e1 elektronick\u00e1 sou\u010d\u00e1stka, kter\u00e1 hraje d\u016fle\u017eitou roli v mnoha za\u0159\u00edzen\u00edch. Co to p\u0159esn\u011b je, na jak\u00e9m principu funguje a jak\u00e9 m\u00e1 vyu\u017eit\u00ed? P\u0159e\u010dt\u011bte si tento \u010dl\u00e1nek a zjist\u011bte odpov\u011bdi na tyto ot\u00e1zky!<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Jak propojka vypad\u00e1 a jak je konstruov\u00e1na?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Propojka<\/strong><\/a>, zn\u00e1m\u00e1 tak\u00e9 jako “jumper”<\/strong>, je mal\u00e1 elektronick\u00e1 sou\u010d\u00e1stka, kter\u00e1 se ve sv\u00e9 nejjednodu\u0161\u0161\u00ed podob\u011b skl\u00e1d\u00e1 ze dvou kovov\u00fdch svorek spojen\u00fdch vodi\u010dem.<\/strong> Vizu\u00e1ln\u011b p\u0159ipom\u00edn\u00e1 malou, \u010dasto plastovou svorku s kovov\u00fdmi \u010d\u00e1stmi, kter\u00e1 slou\u017e\u00ed k vytvo\u0159en\u00ed elektrick\u00e9ho spojen\u00ed.<\/p>\n

P\u0159esto\u017ee jsou propojky obvykle pom\u011brn\u011b jednoduch\u00e9, mohou se li\u0161it velikost\u00ed, tvarem a materi\u00e1lem v z\u00e1vislosti na specifick\u00fdch po\u017eadavc\u00edch aplikace, pro kterou jsou ur\u010deny.<\/p>\n

N\u011bkter\u00e9 jumpery mohou obsahovat i dal\u0161\u00ed komponenty, jako jsou p\u0159ep\u00edna\u010de nebo diody, kter\u00e9 umo\u017e\u0148uj\u00ed slo\u017eit\u011bj\u0161\u00ed \u0159\u00eddic\u00ed operace.<\/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

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\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t
Propojka, jumper - 10ks.<\/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
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tPOD\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Na jak\u00e9m principu je zalo\u017een jumper?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Princip propojky je pom\u011brn\u011b jednoduch\u00fd, ale z\u00e1rove\u0148 velmi d\u016fle\u017eit\u00fd v kontextu fungov\u00e1n\u00ed r\u016fzn\u00fdch elektronick\u00fdch syst\u00e9m\u016f. Propojka funguje jako most, kter\u00fd umo\u017e\u0148uje nebo blokuje tok elektrick\u00e9ho proudu v elektronick\u00e9m obvodu.<\/strong><\/p>\n

Kdy\u017e je propojka um\u00edst\u011bna ve spr\u00e1vn\u00e9 poloze na desce plo\u0161n\u00fdch spoj\u016f, vodi\u010d v propojce vytvo\u0159\u00ed spojen\u00ed mezi dv\u011bma body v obvodu a umo\u017en\u00ed pr\u016fchod proudu. Jedn\u00e1 se o princip “zapnut\u00ed” propojky. Pokud je propojka vyjmuta z obvodu, spojen\u00ed se p\u0159eru\u0161\u00ed, co\u017e vede k p\u0159eru\u0161en\u00ed toku proudu – to je princip “vypnut\u00e9 propojky”.<\/p>\n

D\u00edky t\u00e9to jednoduch\u00e9, ale \u00fa\u010dinn\u00e9 funkci jsou jumpery neuv\u011b\u0159iteln\u011b u\u017eite\u010dn\u00e9 v mnoha r\u016fzn\u00fdch kontextech. Pomoc\u00ed nich lze rychle a snadno p\u0159ep\u00ednat funkce za\u0159\u00edzen\u00ed, upravovat jeho nastaven\u00ed nebo dokonce m\u011bnit zp\u016fsob, jak\u00fdm za\u0159\u00edzen\u00ed interpretuje data. Fungov\u00e1n\u00ed jumperu lze tedy p\u0159irovnat ke sp\u00edna\u010di, kter\u00fd \u0159\u00edd\u00ed pr\u016ftok proudu obvodem.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Propojka - p\u0159\u00edklady r\u016fzn\u00fdch typ\u016f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Propojky se vyr\u00e1b\u011bj\u00ed v r\u016fzn\u00fdch form\u00e1ch a typech a jejich design a vzhled jsou p\u0159izp\u016fsobeny konkr\u00e9tn\u00edm pot\u0159eb\u00e1m. Jak\u00e9 jsou typy propojek a jak\u00e9 jsou jejich vlastnosti?<\/p>\n

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  1. Ploch\u00e9 propojky<\/span> – nejb\u011b\u017en\u011bj\u0161\u00ed propojky, kter\u00e9 si obvykle spojujeme s deskami plo\u0161n\u00fdch spoj\u016f. Skl\u00e1daj\u00ed se z kovov\u00e9ho vodi\u010de uzav\u0159en\u00e9ho v plastov\u00e9m pouzd\u0159e se dv\u011bma vy\u010dn\u00edvaj\u00edc\u00edmi konci, kter\u00e9 lze snadno zasunout a vyjmout z p\u0159\u00edslu\u0161n\u00fdch z\u00e1suvek.<\/li>\n
  2. Vertik\u00e1ln\u00ed propojky<\/span> – vytvo\u0159eny pro pou\u017eit\u00ed v obvodech s omezen\u00fdm prostorem. B\u00fdvaj\u00ed vy\u0161\u0161\u00ed a u\u017e\u0161\u00ed ne\u017e ploch\u00e9 propojky, co\u017e \u0161et\u0159\u00ed m\u00edsto.<\/li>\n
  3. \u0160roubov\u00e9 propojky<\/span> – pou\u017e\u00edvaj\u00ed se v situac\u00edch, kdy je pot\u0159eba bezpe\u010dn\u00e9 a trvanliv\u00e9 spojen\u00ed. Nam\u00edsto koncov\u00fdch z\u00e1suvek maj\u00ed m\u00edsta pro upevn\u011bn\u00ed dr\u00e1t\u016f pomoc\u00ed \u0161roub\u016f.<\/li>\n
  4. Propojky s p\u0159ep\u00edna\u010di<\/span> – n\u011bkter\u00e9 propojky maj\u00ed vestav\u011bn\u00e9 p\u0159ep\u00edna\u010de, kter\u00e9 umo\u017e\u0148uj\u00ed snadnou zm\u011bnu stavu obvodu bez fyzick\u00e9ho odstran\u011bn\u00ed propojky.<\/li>\n
  5. SMD propojky (Surface-Mount Device)<\/span> – typ propojek ur\u010den\u00fd pro povrchovou mont\u00e1\u017e. Jsou men\u0161\u00ed a obvykle odoln\u011bj\u0161\u00ed ne\u017e klasick\u00e9 propojky, ale jejich instalace vy\u017eaduje specializovan\u00e9 vybaven\u00ed.<\/li>\n<\/ol>\n

    V\u0161echny tyto typy propojek maj\u00ed sv\u00e9 jedine\u010dn\u00e9 vyu\u017eit\u00ed a jsou d\u016fle\u017eitou sou\u010d\u00e1st\u00ed r\u016fzn\u00fdch elektronick\u00fdch syst\u00e9m\u016f. Spr\u00e1vn\u00e1 volba propojky m\u016f\u017ee v\u00fdrazn\u011b ovlivnit v\u00fdkon a funk\u010dnost konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed, proto je velmi d\u016fle\u017eit\u00e9 zn\u00e1t jej\u00ed vlastnosti.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    P\u0159\u00edklady pou\u017eit\u00ed propojek v praxi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Ji\u017e jsme se sezn\u00e1mili s r\u016fzn\u00fdmi typy propojek, na jak\u00e9m principu funguj\u00ed a jak jsou konstruov\u00e1ny. A k \u010demu slou\u017e\u00ed? Jak je lze vyu\u017e\u00edt v praxi? Zde jsou odpov\u011bdi na tyto ot\u00e1zky:<\/p>\n

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    1. Konfigurace hardwaru<\/span> – propojky se \u010dasto pou\u017e\u00edvaj\u00ed v po\u010d\u00edta\u010d\u00edch a jin\u00fdch elektronick\u00fdch za\u0159\u00edzen\u00edch pro konfiguraci hardwaru. Nap\u0159\u00edklad u star\u00fdch model\u016f pevn\u00fdch disk\u016f se pro nastaven\u00ed jednotky jako master nebo slave v syst\u00e9mu pou\u017e\u00edvaly propojky.<\/li>\n
    2. Resetov\u00e1n\u00ed nastaven\u00ed<\/span> – propojky lze pou\u017e\u00edt tak\u00e9 k resetov\u00e1n\u00ed nastaven\u00ed elektronick\u00fdch za\u0159\u00edzen\u00ed. V n\u011bkter\u00fdch p\u0159\u00edpadech m\u016f\u017ee p\u0159esunut\u00ed propojky v\u00e9st k obnoven\u00ed nastaven\u00ed syst\u00e9mu BIOS v po\u010d\u00edta\u010di.<\/li>\n
    3. Testov\u00e1n\u00ed obvod\u016f<\/span> – v laboratorn\u00edm prost\u0159ed\u00ed lze propojky pou\u017e\u00edt k testov\u00e1n\u00ed r\u016fzn\u00fdch \u010d\u00e1st\u00ed obvodu, co\u017e umo\u017e\u0148uje snadn\u00e9 p\u0159ep\u00edn\u00e1n\u00ed mezi r\u016fzn\u00fdmi sou\u010d\u00e1stkami a konfiguracemi.<\/li>\n
    4. Ochrana proti p\u0159ep\u011bt\u00ed<\/span> – n\u011bkter\u00e9 propojky mohou b\u00fdt navr\u017eeny tak, aby chr\u00e1nily obvod p\u0159ed p\u0159ep\u011bt\u00edm. Pokud nap\u011bt\u00ed p\u0159ekro\u010d\u00ed ur\u010ditou mez, propojka p\u0159eru\u0161\u00ed obvod a ochr\u00e1n\u00ed ostatn\u00ed sou\u010d\u00e1stky.<\/li>\n
    5. V\u00edce\u00fa\u010delov\u00e1 konfigurace<\/span> – propojky mohou tak\u00e9 umo\u017enit v\u00edcen\u00e1sobn\u00e9 pou\u017eit\u00ed jednoho za\u0159\u00edzen\u00ed pro r\u016fzn\u00e9 \u00fa\u010dely. Pomoc\u00ed propojky lze nap\u0159\u00edklad zm\u011bnit provozn\u00ed re\u017eim za\u0159\u00edzen\u00ed z jednoho na druh\u00fd.<\/li>\n<\/ol>\n

      Propojky jsou proto velmi univerz\u00e1ln\u00edmi n\u00e1stroji, kter\u00e9 umo\u017e\u0148uj\u00ed jednoduchou, ale \u00fa\u010dinnou manipulaci s fungov\u00e1n\u00edm elektronick\u00fdch obvod\u016f. Navzdory sv\u00e9 mal\u00e9 velikosti hraj\u00ed velmi d\u016fle\u017eitou roli v ka\u017edodenn\u00edm provozu mnoha za\u0159\u00edzen\u00ed. Bez nich by \u0159ada b\u011b\u017en\u011b pou\u017e\u00edvan\u00fdch elektronick\u00fdch za\u0159\u00edzen\u00ed nemohla spr\u00e1vn\u011b fungovat nebo by fungovala jinak, ne\u017e jak je zn\u00e1me dnes.<\/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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

      Propojka – mal\u00e1, ale nepostradateln\u00e1 elektronick\u00e1 sou\u010d\u00e1stka, kter\u00e1 hraje d\u016fle\u017eitou roli v mnoha za\u0159\u00edzen\u00edch. Co to p\u0159esn\u011b je, na jak\u00e9m principu funguje a jak\u00e9 m\u00e1 vyu\u017eit\u00ed? P\u0159e\u010dt\u011bte si tento \u010dl\u00e1nek a zjist\u011bte odpov\u011bdi na tyto ot\u00e1zky!<\/p>\n","protected":false},"author":22,"featured_media":71031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[548,549],"tags":[],"class_list":["post-71268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika-cs","category-kompendium-cs"],"acf":[],"yoast_head":"\nCo je to propojka a k \u010demu slou\u017e\u00ed? - Botland<\/title>\n<meta name=\"description\" content=\"Propojka - mal\u00e1 elektronick\u00e1 sou\u010d\u00e1stka velk\u00e9ho v\u00fdznamu. 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