{"id":19575,"date":"2022-03-14T17:50:01","date_gmt":"2022-03-14T16:50:01","guid":{"rendered":"https:\/\/sw.fst.com\/magazine\/2025\/07\/chytre-premosteno\/"},"modified":"2025-07-30T17:49:41","modified_gmt":"2025-07-30T15:49:41","slug":"chytre-premosteno","status":"publish","type":"post","link":"https:\/\/sw.fst.com\/magazine\/cs\/2022\/03\/chytre-premosteno\/","title":{"rendered":"Chyt\u0159e p\u0159emost\u011bno"},"content":{"rendered":"\n

Berl\u00ednsk\u00fd start-up Mitte vyvinul za\u0159\u00edzen\u00ed, kter\u00e9 filtruje vodu z kohoutku a obohacuje ji o miner\u00e1ly. Je ur\u010den p\u0159edev\u0161\u00edm pro pou\u017eit\u00ed v m\u00edstech, kde je voda z vodovodu pitn\u00e1 jen \u010d\u00e1ste\u010dn\u011b. Aby bylo mo\u017en\u00e9 ut\u011bsnit p\u0159echod mezi plynovou kartu\u0161\u00ed a reduk\u010dn\u00edm ventilem na stran\u011b spot\u0159ebi\u010de, bylo nutn\u00e9 p\u0159eklenout neobvykl\u00e9 \u0161\u00ed\u0159ky toleranc\u00ed – co\u017e nebylo technicky trivi\u00e1ln\u00ed. V\u00fdvoj\u00e1\u0159i ve Schwalmstadtu se \u00fakolu zhostili a vyvinuli chytr\u00e9 t\u011bsnic\u00ed \u0159e\u0161en\u00ed. <\/p>\n\n

\"\"
Ulrich W\u00fcstenhagen (vlevo) a Alexander May pracuj\u00ed na nov\u00e9m \u0159e\u0161en\u00ed t\u011bsn\u011bn\u00ed na pracovi\u0161ti CAD p\u0159i v\u00fdvoji v\u00fdrobku.<\/figcaption><\/figure>\n\n

Podle posledn\u00edch studi\u00ed se kvalita pitn\u00e9 vody celosv\u011btov\u011b zhor\u0161uje. St\u00e1le v\u00edce zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek, zejm\u00e9na mikroplast\u016f, ale tak\u00e9 bakteri\u00ed, vir\u016f, organick\u00fdch a anorganick\u00fdch slou\u010denin, pesticid\u016f, l\u00e9k\u016f a hormon\u016f kontaminuje jednu z nejd\u016fle\u017eit\u011bj\u0161\u00edch potravin. Berl\u00ednsk\u00fd start-up Mitte se s t\u00edmto probl\u00e9mem vypo\u0159\u00e1dal a vyvinul p\u0159\u00edstroj pro dom\u00e1c\u00ed pou\u017eit\u00ed, kter\u00fd dok\u00e1\u017ee filtrovat vodu z kohoutku a obohacovat ji o miner\u00e1ly a stopov\u00e9 prvky. V budoucnu se m\u00e1 pou\u017e\u00edvat p\u0159edev\u0161\u00edm v m\u00edstech, kde nen\u00ed voda z kohoutku zcela bezpe\u010dn\u00e1 k pit\u00ed a u\u017e\u00edv\u00e1n\u00ed. Uveden\u00ed p\u0159\u00edstroje na trh se v\u0161ak uk\u00e1zalo jako obt\u00ed\u017en\u00e9. Jeden kritick\u00fd bod: vyskytly se probl\u00e9my se spolehliv\u00fdm ut\u011bsn\u011bn\u00edm p\u0159echodu mezi ventilem plynov\u00e9 kartu\u0161e a reduk\u010dn\u00edm ventilem na stran\u011b spot\u0159ebi\u010de. Proto\u017ee p\u0159ipojovac\u00ed v\u00fd\u0161ka ventil\u016f plynov\u00fdch kartu\u0161\u00ed nen\u00ed standardizov\u00e1na, bylo zde nutn\u00e9 p\u0159eklenout neobvykl\u00e9 toleran\u010dn\u00ed rozmez\u00ed.Za\u010d\u00e1tkem dubna se z\u00e1kazn\u00edk obr\u00e1til na FST s \u017e\u00e1dost\u00ed o pomoc prost\u0159ednictv\u00edm online kontaktn\u00edho formul\u00e1\u0159e. „Popt\u00e1vka, kterou nebylo mo\u017en\u00e9 zpracovat b\u011b\u017en\u00fdm zp\u016fsobem,“ popisuje projekt Ulrich W\u00fcstenhagen z odd\u011blen\u00ed v\u00fdvoje produkt\u016f pro pneumatiku. „Nebyla k dispozici \u017e\u00e1dn\u00e1 podrobn\u00e1 specifikace. Nejprve jsme se museli vypo\u0159\u00e1dat s mnoha detaily, i kdy\u017e \u0161lo o \u010das.“ \u00dakol: Plynov\u00e1 l\u00e1hev s CO2 se do za\u0159\u00edzen\u00ed za\u0161roubuje pomoc\u00ed lichob\u011b\u017en\u00edkov\u00e9ho z\u00e1vitu na p\u0159ipojen\u00e9m mosazn\u00e9m ventilu. Jakmile je plynov\u00e1 kartu\u0161e zakotvena, je na vnit\u0159n\u00ed stran\u011b t\u011bsn\u011bn\u00ed trvale p\u0159\u00edtomen plynn\u00fd oxid uhli\u010dit\u00fd o tlaku 60 bar\u016f. CO2 pronik\u00e1 do t\u011bsn\u011bn\u00ed v r\u016fzn\u00e9 m\u00ed\u0159e v z\u00e1vislosti na zvolen\u00e9m materi\u00e1lu. P\u0159i n\u00e1hl\u00e9m uvoln\u011bn\u00ed tlaku na atmosf\u00e9rick\u00fd tlak plyn z materi\u00e1lu t\u011bsn\u011bn\u00ed op\u011bt unik\u00e1, co\u017e m\u016f\u017ee zp\u016fsobit zna\u010dn\u00e9 po\u0161kozen\u00ed t\u011bsn\u011bn\u00ed – v takov\u00fdch p\u0159\u00edpadech se hovo\u0159\u00ed o explozivn\u00ed dekompresi. <\/p>\n\n

Proto bylo nutn\u00e9 naj\u00edt materi\u00e1l, kter\u00fd by byl vhodn\u00fd pro tento tlakov\u00fd rozsah a z\u00e1rove\u0148 m\u011bl potravin\u00e1\u0159sk\u00e9 schv\u00e1len\u00ed. Za t\u00edmto \u00fa\u010delem byly provedeny konzultace s odborn\u00edky na materi\u00e1ly na stavb\u011b a ve Weinheimu. Proto\u017ee pro popsan\u00fd probl\u00e9m nebyly k dispozici \u017e\u00e1dn\u00e9 v\u00fdsledky zkou\u0161ek dan\u00fdch materi\u00e1l\u016f a rozs\u00e1hl\u00e9 s\u00e9rie zkou\u0161ek by p\u0159es\u00e1hly \u010dasov\u00fd r\u00e1mec, jedinou mo\u017enost\u00ed byl empirick\u00fd p\u0159\u00edstup – tak\u0159\u00edkaj\u00edc pokus a omyl na re\u00e1ln\u00e9m objektu. <\/p>\n\n

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Ve v\u00fdrob\u011b ve Schwalmstadtu (zleva): \nHans-Heinrich Dehnert, Dennis Schulthei\u00df a Ulrich W\u00fcstenhagen.<\/figcaption><\/figure>\n\n

Polyuretan jako \u0159e\u0161en\u00ed probl\u00e9m\u016f<\/h2>\n\n

Tyto testy byly provedeny p\u0159\u00edmo u v\u00fdrobce spot\u0159ebi\u010d\u016f za pou\u017eit\u00ed variant t\u011bsn\u011bn\u00ed, kter\u00e9 spole\u010dnost Freudenberg Xpress\u00ae vyrobila v kr\u00e1tk\u00e9 dob\u011b obr\u00e1b\u011bn\u00edm.<\/p>\n\n

V u\u017e\u0161\u00edm v\u00fdb\u011bru nakonec z\u016fstaly dva typy materi\u00e1l\u016f: EPDM v r\u016fzn\u00fdch stupn\u00edch tvrdosti a relativn\u011b tvrd\u00fd polyuretan. P\u0159i po\u010d\u00e1te\u010dn\u00edch zkou\u0161k\u00e1ch u z\u00e1kazn\u00edka byla nejprve testov\u00e1na trval\u00e1 t\u011bsnost, tj. odolnost v\u016f\u010diCO2<\/sub> nebo n\u00e1hl\u00e9mu uvoln\u011bn\u00ed tlaku. Sou\u010dasn\u011b bylo t\u0159eba zajistit, aby u\u017eivatel\u00e9 mohli kartu\u0161i p\u0159i jej\u00ed v\u00fdm\u011bn\u011b snadno za\u0161roubovat a vyjmout, ani\u017e by uniklo v\u00fdznamn\u00e9 mno\u017estv\u00ed plynu. Pomoc\u00ed vhodn\u011b zu\u0161lecht\u011bn\u00fdch vzork\u016f bylo zji\u0161t\u011bno, \u017ee povlak by mohl b\u00fdt n\u00e1pomocn\u00fd p\u0159i sni\u017eov\u00e1n\u00ed t\u0159ec\u00edho momentu a zjednodu\u0161en\u00ed manipulace. Pomoc\u00ed anal\u00fdzy kone\u010dn\u00fdch prvk\u016f analyzovali aplika\u010dn\u00ed in\u017een\u00fd\u0159i Patrick Kinsch a Mert van Dawen varianty t\u011bsn\u011bn\u00ed navr\u017een\u00e9 konstrukt\u00e9rem Alexanderem Mayem. V\u00fdsledky byly pou\u017eity k porovn\u00e1n\u00ed toho, jak se p\u0159\u00edslu\u0161n\u00fd materi\u00e1l chov\u00e1 v kombinaci s geometri\u00ed t\u011bsn\u011bn\u00ed p\u0159i odpov\u00eddaj\u00edc\u00edm tlaku, zda lok\u00e1ln\u00ed deformace a zat\u00ed\u017een\u00ed z\u016fst\u00e1vaj\u00ed v r\u00e1mci p\u0159\u00edpustn\u00fdch hodnot a jak\u00fd t\u0159ec\u00ed moment lze o\u010dek\u00e1vat. <\/p>\n\n

Nyn\u00ed je k dispozici \u00fasp\u011b\u0161n\u011b otestovan\u00e1 geometrie polyuretanov\u00e9ho t\u011bsn\u011bn\u00ed a z\u00e1kazn\u00edkovi byla dod\u00e1na p\u0159edb\u011b\u017en\u00e1 s\u00e9rie p\u0159ibli\u017en\u011b 1 000 kus\u016f z v\u00fdroby Freudenberg Xpress\u00ae. Dal\u0161\u00edm krokem je nyn\u00ed v\u00fdroba a vzorkov\u00e1n\u00ed vst\u0159ikovac\u00ed formy, kterou si ji\u017e z\u00e1kazn\u00edk objednal a z n\u00ed\u017e lze hospod\u00e1rn\u011b vyr\u00e1b\u011bt s\u00e9riov\u00e9 d\u00edly. „Vzhledem k pom\u011brn\u011b slo\u017eit\u00e9 v\u00fdchoz\u00ed situaci jsme dok\u00e1zali p\u0159ekvapiv\u011b rychle naj\u00edt funk\u010dn\u00ed \u0159e\u0161en\u00ed – i d\u00edky n\u00e1pad\u016fm a pragmatick\u00e9mu p\u0159isp\u011bn\u00ed jednotliv\u00fdch \u010dlen\u016f t\u00fdmu,“ shrnuje Ulrich W\u00fcstenhagen. <\/p>\n\n

\n

Berl\u00ednsk\u00e9 start-upov\u00e9 centrum<\/h2>\n\n\n\n

Spole\u010dnost Mitte byla zalo\u017eena s c\u00edlem vyvinout z\u00e1sobov\u00e1n\u00ed pitnou vodou, kter\u00e9 odpov\u00edd\u00e1 v\u00fdzv\u00e1m 21. stolet\u00ed – je zam\u011b\u0159eno na zdrav\u00ed a udr\u017eitelnost a je u\u017eivatelsky p\u0159\u00edv\u011btiv\u00e9. Spole\u010dnost se s\u00eddlem v Berl\u00edn\u011b vyv\u00edj\u00ed \u0159adu v\u00fdrobk\u016f, kter\u00e9 jsou inspirov\u00e1ny p\u0159irozen\u00fdm kolob\u011bhem vody, ani\u017e by po\u0161kozovaly planetu. <\/p>\n\n\n\n

Spole\u010dnost Mitte Home nab\u00edz\u00ed prvn\u00ed syst\u00e9m inteligentn\u00ed dom\u00e1c\u00ed \u00fapravy vody, kter\u00fd vyu\u017e\u00edv\u00e1 pokro\u010dilou technologii filtrace a mineralizace k \u010di\u0161t\u011bn\u00ed vody a p\u0159id\u00e1v\u00e1n\u00ed miner\u00e1l\u016f pro optimalizaci chuti – s oxidem uhli\u010dit\u00fdm nebo bez n\u011bj.<\/p>\n\n\n\n

Start-up byl zalo\u017een v Berl\u00edn\u011b v roce 2016 a je podporov\u00e1n spole\u010dnostmi Atlantic Food Labs, Danone Manifesto Ventures, VisVires New Protein Fund, Bitburger Ventures a K\u00e4rcher New Ventures.<\/p>\n<\/div><\/div>\n

\r\n
\r\n \r\n <\/i>\r\n <\/a>\r\n <\/span>\r\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Berl\u00ednsk\u00fd start-up Mitte vyvinul za\u0159\u00edzen\u00ed, kter\u00e9 filtruje vodu z kohoutku a obohacuje ji o miner\u00e1ly. Je ur\u010den p\u0159edev\u0161\u00edm pro pou\u017eit\u00ed v m\u00edstech, kde je voda z vodovodu pitn\u00e1 jen \u010d\u00e1ste\u010dn\u011b.…<\/p>\n","protected":false},"author":3,"featured_media":19577,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1108,1296],"tags":[1506],"powerkit_post_featured":[],"class_list":["post-19575","post","type-post","status-publish","format-standard","has-post-thumbnail","category-schwalmstadt-cs","category-zakaznicke-vrstvy","tag-vydani-02_2022-cz"],"_links":{"self":[{"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/posts\/19575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/comments?post=19575"}],"version-history":[{"count":1,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/posts\/19575\/revisions"}],"predecessor-version":[{"id":19580,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/posts\/19575\/revisions\/19580"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/media\/19577"}],"wp:attachment":[{"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/media?parent=19575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/categories?post=19575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/tags?post=19575"},{"taxonomy":"powerkit_post_featured","embeddable":true,"href":"https:\/\/sw.fst.com\/magazine\/cs\/wp-json\/wp\/v2\/powerkit_post_featured?post=19575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}