{"id":240,"date":"2010-01-06T09:49:56","date_gmt":"2010-01-06T08:49:56","guid":{"rendered":"http:\/\/tourdebier.cz\/francek\/?p=240"},"modified":"2015-11-17T11:29:03","modified_gmt":"2015-11-17T10:29:03","slug":"varna-nadoba","status":"publish","type":"post","link":"https:\/\/www.tourdebier.cz\/francek\/varna-nadoba\/","title":{"rendered":"Varn\u00e1 n\u00e1doba"},"content":{"rendered":"<p>P\u0159i \u00favah\u00e1ch, jak\u00fd typ varn\u00e9 n\u00e1doby pou\u017e\u00edt jsem zva\u017eoval n\u011bkolik alternativ. (zava\u0159ovac\u00ed elektrick\u00fd hrnec, nerezov\u00fd hrnec, nerezov\u00fd KEG) Nakonec jsem se p\u0159iklonil k variant\u011b KEG, nejenom pro varnou n\u00e1dobu. \u00davaha vych\u00e1zela p\u016fvodn\u011b z mo\u017enosti pou\u017e\u00edvat samostatn\u00fd oh\u0159ev (va\u0159i\u010d &#8211; varnou stoli\u010dku) pro n\u011bkolik n\u00e1dob bez nutnosti \u010derp\u00e1n\u00ed.<\/p>\n<p>Vlastn\u00ed v\u00fdroba varn\u00e9 n\u00e1doby za\u010dala vy\u0159\u00edznut\u00edm horn\u00edho otvoru \u00fahlovou bruskou, operace p\u0159ekvapiv\u011b jednoduch\u00e1 \u00a0i otvor se tv\u00e1\u0159il jako kulat\u011b soum\u011brn\u00fd. D\u00e1le dle spodn\u00edho \u0161vu bylo od\u0159\u00edznuto, op\u011bt flexou, p\u016fvodn\u00ed dno. Nov\u011b bylo p\u0159iva\u0159eno <strong>rovn\u00e9 nerezov\u00e9 dno o tl. 5mm<\/strong>. T\u011bsn\u011b nad t\u00edmto dnem byl ve st\u011bn\u011b vystru\u017een otvor pro p\u0159iva\u0159en\u00ed nerezov\u00e9ho n\u00e1varku \u00a0dimenze 1\u00b4\u00b4 , do kter\u00e9ho byl nato\u010den p\u0159es t\u011bsn\u00edc\u00ed teflonovou p\u00e1sku vypou\u0161t\u011bc\u00ed kulov\u00fd kohout op\u011bt dimenze 1\u00b4\u00b4.\u00a0 Bylo hotovo &#8211; zd\u00e1nliv\u011b. Le\u0161t\u011bn\u00ed, \u010di\u0161t\u011bn\u00ed a ostatn\u00ed dola\u010fovac\u00ed operace jist\u011b \u010dasu nep\u0159idaj\u00ed. Pot\u00e9 do\u0161lo k n\u00e1kres\u016fm a k v\u00fdrob\u011b <strong>samostatn\u00e9ho t\u0159\u00edplot\u00fdnkov\u00e9ho\u00a0 va\u0159i\u010de<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3048\" src=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/P1070219.jpg\" alt=\"P1070219\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/P1070219.jpg 600w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/P1070219-300x225.jpg 300w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/P1070219-250x188.jpg 250w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Na r\u00e1m byl pou\u017eit ocelov\u00fd plech a t\u0159i ks varn\u00fdch plot\u00fdnek o p\u0159\u00edkonu 1,5 kW,\u00a0 tj. celkem 4,5 kW. \u0158\u00edzen\u00ed celkov\u00e9ho p\u0159\u00edkonu se p\u0159edpokl\u00e1dalo ru\u010dn\u011b pomoc\u00ed p\u0159ep\u00edn\u00e1n\u00ed odporov\u00fdch sekc\u00ed\u00a0 ploten pomoc\u00ed spor\u00e1kov\u00fdch p\u0159ep\u00edna\u010d\u016f. Po topn\u00e9 zkou\u0161ce s 5o l vody ve varn\u00e9 n\u00e1dob\u011b, ale tento koncept vzal za sv\u00e9, nebo\u0165\u00a0 i p\u0159es zd\u00e1nlivou vz\u00e1jemnou rovinnost plot\u00fdnek nedoch\u00e1zelo k\u00a0 p\u0159ed\u00e1n\u00ed v\u011bt\u0161iny tepeln\u00e9 energie do dna varn\u00e9 n\u00e1doby, ale k odrazu a p\u0159eh\u0159\u00e1t\u00ed plot\u00fdnek a r\u00e1mu va\u0159i\u010de v\u010detn\u011b elektrick\u00fdch rozvod\u016f. (Nakonec,\u00a0dr\u00e1ty odk\u00e1ply.)\u00a0 Za\u010dal jsem p\u0159em\u00fd\u0161let znovu, \u010d\u00edm\u00a0n\u00e1dobu oh\u0159\u00edvat.\u00a0Koketoval jsem i s my\u0161lenkou na propan butan, tu jsem nakonec opustil a soust\u0159edil se na elektrooh\u0159ev. Plot\u00fdnky pokus s va\u0159i\u010dem p\u0159e\u017eily, tak jsem se rozhodl je pou\u017e\u00edt v trochu jin\u00e9 variant\u011b a to napevno.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3051\" src=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/45__600x462_p1070513x.jpg\" alt=\"45__600x462_p1070513x\" width=\"600\" height=\"401\" srcset=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/45__600x462_p1070513x.jpg 600w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/45__600x462_p1070513x-300x201.jpg 300w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/45__600x462_p1070513x-250x167.jpg 250w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3052\" src=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/46__600x462_p1070517x.jpg\" alt=\"46__600x462_p1070517x\" width=\"600\" height=\"401\" srcset=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/46__600x462_p1070517x.jpg 600w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/46__600x462_p1070517x-300x201.jpg 300w, https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/2010\/01\/46__600x462_p1070517x-250x167.jpg 250w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Rozm\u011b\u0159il jsem um\u00edst\u011bn\u00ed pomocn\u00fdch nerezov\u00fdch \u0161roub\u016f a dr\u017e\u00e1k\u016f, \u00a0um\u00edst\u011bn\u00ed svorkovnice a \u0161lo se va\u0159it. Musely b\u00fdt tak\u00e9 p\u0159id\u00e1ny nohy, kryt a spodn\u00ed v\u00edko jako ochrana proti nebezpe\u010dn\u00e9mu dotyku. Po zku\u0161enosti s prvn\u00ed variantou va\u0159i\u010de jsem je\u0161t\u011b voln\u00fd prostor mezi plot\u00fdnkani vylil \u0161amotovou hmotou na vyzd\u00edvky kotl\u016f pro zmen\u0161en\u00ed zp\u011btn\u00e9ho vyza\u0159ov\u00e1n\u00ed a doizoloval n\u011bkolika vrstvami skeln\u00e9 tkaniny. Vlastn\u00ed elektrick\u00e9 zapojen\u00ed bylo provedeno p\u0159ipojen\u00edm ma t\u0159\u00edf\u00e1zov\u00fd p\u0159\u00edvod, ka\u017ed\u00e1 plotna samostatn\u011b. Po dal\u0161\u00edm zku\u0161ebn\u00edm varu vody, kter\u00fd ji\u017e byl i s opakov\u00e1n\u00edm \u00fasp\u011b\u0161n\u00fd bylo mo\u017eno p\u0159istoupit k izolaci varn\u00e9 n\u00e1doby. Byla pou\u017eita 70cm \u0161irok\u00e1 hlin\u00edkov\u00e1 folie s izolac\u00ed p\u016fvodn\u011b ur\u010den\u00e1 jako odrazn\u00e1 folie za radi\u00e1tory. Spojena je v zadn\u00ed \u010d\u00e1sti n\u00e1doby samolep\u00edc\u00ed textiln\u00ed lakovanou p\u00e1skou.\u00a0 \u0158\u00edzen\u00ed p\u0159\u00edkonu varn\u00e9 n\u00e1doby je realizov\u00e1no pomoc\u00ed programu Brauanlage <a href=\"http:\/\/www.bierseidla.de\/cms\/content\/category\/4\/55\/88\/\">http:\/\/www.bierseidla.de\/cms\/content\/category\/4\/55\/88\/<\/a>\u00a0s p\u0159ipojen\u00edm p\u0159es interface paraleln\u00edho portu a sn\u00edm\u00e1n\u00ed teploty s 1-wireov\u00fdm \u010didlem DS18S20 s p\u0159ipojen\u00edm p\u0159es seriov\u00fd port. Vlastn\u00ed v\u00fdkonov\u00e9 \u0159\u00edzen\u00ed je osazeno v\u00fdkonov\u00fdm polovodi\u010dov\u00fdm rel\u00e9 3*20A. Atypick\u00fdm prvkem je pou\u017eit\u00ed cyklovac\u00ed funkce uveden\u00e9ho programu p\u016fvodn\u011b ur\u010denou pro \u0159\u00edzen\u00ed m\u00edch\u00e1n\u00ed, kterou vyu\u017e\u00edv\u00e1m jako PWM (pulsn\u011b \u0161\u00ed\u0159kov\u00fd modul\u00e1tor) pro \u0159\u00edzen\u00ed velikosti p\u0159\u00edkonu vyh\u0159\u00edv\u00e1n\u00ed s ohledem na objem oh\u0159\u00edvan\u00e9 n\u00e1pln\u011b\u00a0 a po\u017eadovan\u00fd gradient teploty.\u00a0Viz schema:\u00a0 Nev\u00fdhodou \u0159e\u0161en\u00ed se t\u0159emi masivn\u00edmi plotnami a tlust\u00fdm\u00a0dnem je\u00a0velk\u00e1 tepeln\u00e1 setrva\u010dnost, ale lze ji po n\u011bkolika testech\u00a0dob\u0159e p\u0159edv\u00eddat\u00a0 a pomoc\u00ed PWM \u0159\u00edzen\u00ed zvl\u00e1dat. <img decoding=\"async\" class=\"ngg-singlepic ngg-left\" src=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/gallery\/technologie\/BRAU-ELEKTRO-releov\u00e1-deska-PWM-regulace-m\u00edch\u00e1n\u00edm.jpg\" alt=\"BRAU ELEKTRO releov\u00e1 deska + PWM regulace m\u00edch\u00e1n\u00edm\" \/><\/p>\n<div class='wp_likes' id='wp_likes_post-240'><a class='like' href=\"javascript:wp_likes.like(240);\" title='' ><img decoding=\"async\" src=\"https:\/\/www.tourdebier.cz\/francek\/wp-content\/uploads\/thumb-up-francek.jpg\" alt='' border='0'\/><\/a><span class='text'><b>6<\/b> lidem se \u010dl\u00e1nek l\u00edb\u00ed.<\/span><\/p>\n<div class='like' ><a href=\"javascript:wp_likes.like(240);\"><\/a><\/div>\n<div class='unlike' ><a href=\"javascript:wp_likes.unlike(240);\">> U\u017e se mi nel\u00edb\u00ed..<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159i \u00favah\u00e1ch, jak\u00fd typ varn\u00e9 n\u00e1doby pou\u017e\u00edt jsem zva\u017eoval n\u011bkolik alternativ. (zava\u0159ovac\u00ed elektrick\u00fd hrnec, nerezov\u00fd hrnec, nerezov\u00fd KEG) Nakonec jsem se p\u0159iklonil k variant\u011b KEG, nejenom pro varnou n\u00e1dobu. \u00davaha vych\u00e1zela p\u016fvodn\u011b z mo\u017enosti pou\u017e\u00edvat samostatn\u00fd oh\u0159ev (va\u0159i\u010d &#8211; varnou stoli\u010dku) pro n\u011bkolik n\u00e1dob bez nutnosti \u010derp\u00e1n\u00ed. Vlastn\u00ed v\u00fdroba varn\u00e9 n\u00e1doby za\u010dala vy\u0159\u00edznut\u00edm horn\u00edho otvoru [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[4],"tags":[67],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry","category-tech","tag-program"],"_links":{"self":[{"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/comments?post=240"}],"version-history":[{"count":6,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":3053,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/posts\/240\/revisions\/3053"}],"wp:attachment":[{"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/media?parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/categories?post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tourdebier.cz\/francek\/wp-json\/wp\/v2\/tags?post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}