[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.axios.cz\/mechanicky-termostat-versus-elektronicke-rizeni-teploty\/#Article","mainEntityOfPage":"https:\/\/www.axios.cz\/mechanicky-termostat-versus-elektronicke-rizeni-teploty\/","headline":"Mechanick\u00fd termostat versus elektronick\u00e9 \u0159\u00edzen\u00ed teploty","name":"Mechanick\u00fd termostat versus elektronick\u00e9 \u0159\u00edzen\u00ed teploty","description":"V\u00a0chladic\u00edch a mrazic\u00edch za\u0159\u00edzen\u00edch je teplota udr\u017eov\u00e1na na konstantn\u00ed hodnot\u011b bez ohledu na v\u00fdkyvy teplot okoln\u00edho prost\u0159ed\u00ed. K\u00a0tomu je zapot\u0159eb\u00ed tzv. mechanick\u00fd termostat, nebo elektronick\u00e1 regulace teploty.\u00daskal\u00ed mechanick\u00e9ho termostatu Termostat je elektrick\u00fd sp\u00edna\u010d, kter\u00fd nastaven\u00edm na ur\u010ditou hodnotu teploty za\u010dne prov\u00e1d\u011bt jej\u00ed regulaci. P\u0159i sn\u00ed\u017een\u00ed teploty sepne kontakty, \u010d\u00edm\u017e se uzav\u0159e obvod chladic\u00edho mechanismu, a […]","datePublished":"2025-02-27","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.axios.cz\/author\/#Person","name":"axios.cz\n","url":"https:\/\/www.axios.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/1ea551d08e5aaea35ec0edab8371d7eaf798177f38aa8a77e65ff33bf2d8edc8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1ea551d08e5aaea35ec0edab8371d7eaf798177f38aa8a77e65ff33bf2d8edc8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"axios.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.axios.cz\/wp-content\/uploads\/img_a308252_w2211_t1519373275.jpg","url":"https:\/\/www.axios.cz\/wp-content\/uploads\/img_a308252_w2211_t1519373275.jpg","height":0,"width":0},"url":"https:\/\/www.axios.cz\/mechanicky-termostat-versus-elektronicke-rizeni-teploty\/","about":["Elektro"],"wordCount":491,"articleBody":"V\u00a0chladic\u00edch a mrazic\u00edch za\u0159\u00edzen\u00edch je teplota udr\u017eov\u00e1na na konstantn\u00ed hodnot\u011b bez ohledu na v\u00fdkyvy teplot okoln\u00edho prost\u0159ed\u00ed. K\u00a0tomu je zapot\u0159eb\u00ed tzv. mechanick\u00fd termostat, nebo elektronick\u00e1 regulace teploty.\u00daskal\u00ed mechanick\u00e9ho termostatuTermostat je elektrick\u00fd sp\u00edna\u010d, kter\u00fd nastaven\u00edm na ur\u010ditou hodnotu teploty za\u010dne prov\u00e1d\u011bt jej\u00ed regulaci. P\u0159i sn\u00ed\u017een\u00ed teploty sepne kontakty, \u010d\u00edm\u017e se uzav\u0159e obvod chladic\u00edho mechanismu, a p\u0159i zv\u00fd\u0161en\u00ed je naopak rozepne a doch\u00e1z\u00ed k\u00a0chlazen\u00ed. Rozsahem mezi sepnut\u00edm a vypnut\u00edm termostatu vznik\u00e1 tzv. sp\u00ednac\u00ed hystereze neboli sp\u00ednac\u00ed diference.Termostat m\u016f\u017ee b\u00fdt dvoj\u00edho druhu, bu\u010f s\u00a0voliteln\u00fdmi teplotn\u00edmi rozsahy v\u00a0dan\u00e9m intervalu, nebo s\u00a0pevn\u011b nastaven\u00fdmi sp\u00ednac\u00edmi body.V\u00a0chladni\u010dk\u00e1ch se nej\u010dast\u011bji vyu\u017e\u00edvaj\u00ed tzv. termostaty s\u00a0kapil\u00e1rou. Tvo\u0159\u00ed je obal vypln\u011bn\u00fd kapalinou nebo plynem, p\u0159i\u010dem\u017e se tato vnit\u0159n\u00ed n\u00e1pl\u0148 p\u0159i ochlazov\u00e1n\u00ed smr\u0161\u0165uje a p\u0159i zah\u0159\u00edv\u00e1n\u00ed rozp\u00edn\u00e1. Pohyb t\u00e9to n\u00e1pln\u011b pak prim\u00e1rn\u011b p\u016fsob\u00ed na kontakty elektrick\u00e9ho tzv. m\u017eikov\u00e9ho sp\u00edna\u010de.U chladni\u010dek je \u010didlo termostatu um\u00edst\u011bno na plechu v\u00fdparn\u00edku, m\u011b\u0159\u00ed se t\u00edm p\u00e1dem teplota chladic\u00edho m\u00e9dia samotn\u00e9ho v\u00fdparn\u00edku a ne skladovac\u00ed teplota uvnit\u0159 chladni\u010dky. Jedn\u00e1 se tedy o nep\u0159\u00edmou metodu regulace a jej\u00edm \u00faskal\u00edm je velk\u00fd sp\u00ednac\u00ed rozsah termostatu. Doch\u00e1z\u00ed k\u00a0tomu, \u017ee ve v\u00fdparn\u00edku se teplota m\u011bn\u00ed rychleji ne\u017e ve skladovac\u00edm prostoru, co\u017e zvy\u0161uje spot\u0159ebu elektrick\u00e9 energie a projev\u00ed se to i na kvalit\u011b uskladn\u011bn\u00fdch potravin. Toto \u00faskal\u00ed se t\u00fdk\u00e1 p\u0159edev\u0161\u00edm star\u0161\u00edch nebo levn\u011bj\u0161\u00edch model\u016f chladni\u010dek.Elektronick\u00e9 regulace teploty u modern\u00edch chladic\u00edch za\u0159\u00edzen\u00edElektronick\u00e1 regulace vnit\u0159n\u00ed teploty zaji\u0161\u0165uje sp\u00edn\u00e1n\u00ed obvodu s\u00a0men\u0161\u00ed frekvenc\u00ed a cel\u00e9 za\u0159\u00edzen\u00ed m\u00e1 tak\u00e9 v\u011bt\u0161\u00ed citlivost. Dnes je b\u011b\u017en\u00fdm standardem modern\u00edch mraz\u00e1k\u016f a chladni\u010dek vy\u0161\u0161\u00ed kvality. Pracuje na podobn\u00e9m principu klasick\u00e9ho mechanick\u00e9ho termostatu, tedy ve stavech zapnuto a vypnuto. Teplota se op\u011bt vol\u00ed napevno, nebo v\u00a0p\u0159\u00edpustn\u00e9m rozsahu.\u00a0Rozd\u00edl v\u0161ak spo\u010d\u00edv\u00e1 v\u00a0samotn\u00e9 technologii elektronick\u00e9 regulace. Jedn\u00e1 se o termistor, to je vlastn\u011b polovodi\u010dov\u00fd teplotn\u011b z\u00e1visl\u00fd rezistor, kter\u00fd slou\u017e\u00ed v\u00a0t\u011bchto za\u0159\u00edzen\u00edch jako tepeln\u00fd senzor. P\u0159em\u011b\u0148uje p\u0159\u00edmo tepeln\u00e9 zm\u011bny na zm\u011bny elektrick\u00e9ho nap\u011bt\u00ed v\u00a0obvodu, m\u011bn\u00ed se t\u00edm odpor a nap\u011bt\u00ed m\u016fstku mezi bodem A a B. Zm\u011bna nap\u011bt\u00ed se prom\u00edt\u00e1 p\u0159\u00edmo v\u00a0elektronicky \u0159\u00edzen\u00e9m termostatu a ten pak ovl\u00e1d\u00e1 sp\u00ednac\u00ed rel\u00e9 nebo triak (regula\u010dn\u00ed \u010dlen) pro sepnut\u00ed chladic\u00edho mechanismu.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Mechanick\u00fd termostat versus elektronick\u00e9 \u0159\u00edzen\u00ed teploty","item":"https:\/\/www.axios.cz\/mechanicky-termostat-versus-elektronicke-rizeni-teploty\/#breadcrumbitem"}]}]