{"id":3824,"date":"2025-05-02T12:01:11","date_gmt":"2025-05-02T12:01:11","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=3824"},"modified":"2025-05-02T12:34:55","modified_gmt":"2025-05-02T12:34:55","slug":"co-je-to-chladic-s-vyvodovym-zebrovanim","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/what-is-a-pin-fin-heat-sink\/","title":{"rendered":"Co je chladi\u010d s v\u00fdvodov\u00fdm \u017eebrov\u00e1n\u00edm?"},"content":{"rendered":"

\"Hlin\u00edkov\u00fd
Chladi\u010d s \u017eebrov\u00e1n\u00edm<\/figcaption><\/figure>\n<\/p>\n

Mnoho elektronick\u00fdch za\u0159\u00edzen\u00ed se p\u0159eh\u0159\u00edv\u00e1 a selh\u00e1v\u00e1 kv\u016fli \u0161patn\u00e9 tepeln\u00e9 konstrukci. Pokud je v\u00e1\u0161 projekt citliv\u00fd na teplotu, mus\u00edte si v\u010das vybrat spr\u00e1vn\u00fd chladi\u010d.<\/p>\n

Chladi\u010d s v\u00fdvodov\u00fdm \u017eebrov\u00e1n\u00edm je chladic\u00ed sou\u010d\u00e1st, kter\u00e1 vyu\u017e\u00edv\u00e1 svisl\u00e9 v\u00fdvody k odv\u00e1d\u011bn\u00ed tepla prost\u0159ednictv\u00edm zv\u00fd\u0161en\u00e9 plochy a proud\u011bn\u00ed vzduchu. \u010casto se pou\u017e\u00edv\u00e1 pro hust\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed a v\u0161esm\u011brov\u00e9 proud\u011bn\u00ed vzduchu.<\/strong><\/p>\n

Pokud navrhujete produkty pro pr\u016fmyslovou automatizaci, LED nebo kompaktn\u00ed elektroniku, m\u016f\u017ee pou\u017eit\u00ed spr\u00e1vn\u00e9ho typu chladi\u010de sn\u00ed\u017eit m\u00edru poruchovosti a zv\u00fd\u0161it \u00fa\u010dinnost. V tomto \u010dl\u00e1nku v\u00e1m vysv\u011btl\u00edm, co je to chladi\u010d s v\u00fdvodov\u00fdm \u017eebrov\u00e1n\u00edm, jak\u00e9 je jeho srovn\u00e1n\u00ed s jin\u00fdmi typy a jak vybrat ten spr\u00e1vn\u00fd.<\/p>\n

Co je to kol\u00edkov\u00e9 \u017eebro p\u0159i p\u0159enosu tepla?<\/h2>\n

Mnoho lid\u00ed si \u0161patn\u011b vysv\u011btluje, jak \u017eebra v tepeln\u00fdch syst\u00e9mech funguj\u00ed. Nejde jen o kovov\u00e9 tvary - jde o \u0159\u00edzen\u00ed proud\u011bn\u00ed vzduchu a maximalizaci kontaktn\u00ed plochy.<\/p>\n

Kol\u00edkov\u00e9 \u017eebro v oblasti p\u0159enosu tepla je mal\u00fd v\u00e1lcov\u00fd nebo \u010dtvercov\u00fd sloupek, kter\u00fd zv\u011bt\u0161uje plochu povrchu sou\u010d\u00e1sti, aby \u00fa\u010dinn\u011bji odv\u00e1d\u011bl teplo konvekc\u00ed.<\/strong><\/p>\n

\"Ozna\u010den\u00e1
Sch\u00e9ma chladic\u00edho syst\u00e9mu<\/figcaption><\/figure>\n<\/p>\n

\u017debra pin\u016f se pou\u017e\u00edvaj\u00ed k chlazen\u00ed komponent, kter\u00e9 generuj\u00ed teplo, jako jsou \u010dipy, v\u00fdkonov\u00e9 tranzistory nebo moduly LED. Tyto v\u00fdvody rozb\u00edjej\u00ed proud\u011bn\u00ed vzduchu a zp\u016fsobuj\u00ed turbulence. Turbulence zvy\u0161uj\u00ed p\u0159enos tepla t\u00edm, \u017ee \u00fa\u010dinn\u011bji prom\u00edch\u00e1vaj\u00ed vrstvy vzduchu.<\/p>\n

Kl\u00ed\u010dov\u00e9 funkce kol\u00edkov\u00fdch ploutv\u00ed<\/h3>\n\n\n\n\n\n\n\n
Funkce<\/th>\nPopis<\/th>\n<\/tr>\n<\/thead>\n
Zv\u011bt\u0161en\u00ed plochy<\/td>\nV\u011bt\u0161\u00ed plocha znamen\u00e1, \u017ee se z kovu do okoln\u00edho vzduchu m\u016f\u017ee p\u0159en\u00e1\u0161et v\u00edce tepla.<\/td>\n<\/tr>\n
Podporovat turbulence<\/td>\nVytv\u00e1\u0159\u00ed naru\u0161en\u00ed proud\u011bn\u00ed vzduchu, aby se zlep\u0161ila konvekce.<\/td>\n<\/tr>\n
Povolen\u00ed v\u0161esm\u011brov\u00e9ho chlazen\u00ed<\/td>\nFunguje dob\u0159e, i kdy\u017e se vzduch nepohybuje v p\u0159\u00edmce.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pro\u010d pou\u017e\u00edvat \u010depov\u00e9 ploutve v CNC obr\u00e1b\u011bn\u00fdch d\u00edlech?<\/h3>\n

Kdy\u017e navrhujeme hlin\u00edkov\u00e9 sk\u0159\u00edn\u011b nebo r\u00e1my, na\u0161i z\u00e1kazn\u00edci n\u011bkdy po\u017eaduj\u00ed specifick\u00e9 tepeln\u00e9 vlastnosti. Pokud je t\u0159eba, aby se teplo rozptylovalo rovnom\u011brn\u011b v\u0161emi sm\u011bry, \u010dasto doporu\u010duji. kol\u00ed\u010dkov\u00e1 ploutev<\/a>1<\/a><\/sup> struktury. Jsou u\u017eite\u010dn\u00e9 zejm\u00e9na v p\u0159\u00edpadech, kdy je proud\u011bn\u00ed vzduchu u v\u00fdrobku nep\u0159edv\u00eddateln\u00e9, nap\u0159\u00edklad u ru\u010dn\u00edch nebo uzav\u0159en\u00fdch za\u0159\u00edzen\u00ed.<\/p>\n

\n

Co je to \u017eebrov\u00fd chladi\u010d?<\/h2>\n

Mnoho nov\u00fdch z\u00e1kazn\u00edk\u016f se m\u011b pt\u00e1: \"Je \u017eebrov\u00fd chladi\u010d tot\u00e9\u017e co \u017eebrov\u00fd chladi\u010d?\" Odpov\u011b\u010f zn\u00ed: ne tak docela. Slovo \"ploutev\" je obecn\u00e9, zat\u00edmco \"kol\u00ed\u010dkov\u00e1 ploutev<\/a>2<\/a><\/sup>\" je jedn\u00edm z druh\u016f ploutv\u00ed.<\/p>\n

Lamelov\u00fd chladi\u010d je za\u0159\u00edzen\u00ed, kter\u00e9 pomoc\u00ed roz\u0161\u00ed\u0159en\u00fdch povrch\u016f (tzv. \u017eeber) odv\u00e1d\u00ed teplo z komponenty, kter\u00e1 produkuje teplo, do okoln\u00edho vzduchu.<\/strong><\/p>\n

Z\u00e1kladn\u00ed my\u0161lenkou ka\u017ed\u00e9 struktury ploutv\u00ed je plocha. \u010c\u00edm v\u011bt\u0161\u00ed plocha, t\u00edm v\u011bt\u0161\u00ed kontakt se vzduchem. To znamen\u00e1 lep\u0161\u00ed chlazen\u00ed.<\/p>\n

Typy ploutv\u00ed v chladi\u010d\u00edch<\/h3>\n\n\n\n\n\n\n\n\n
Typ ploutve<\/th>\nPopis<\/th>\nAplikace<\/th>\n<\/tr>\n<\/thead>\n
P\u0159\u00edm\u00e1 ploutev<\/td>\nTenk\u00e9 svisl\u00e9 st\u011bny, \u010dasto v \u0159ad\u00e1ch<\/td>\nSm\u011brov\u00e9 proud\u011bn\u00ed vzduchu, jako u ventil\u00e1tor\u016f<\/td>\n<\/tr>\n
Pin Fin<\/td>\nKr\u00e1tk\u00e9 sloupky, \u010dtvercov\u00e9 nebo kulat\u00e9<\/td>\nV\u0161esm\u011brov\u00e9 chlazen\u00ed, kompaktn\u00ed prostor<\/td>\n<\/tr>\n
Roz\u0161\u00ed\u0159en\u00e1 ploutev<\/td>\nV\u011bt\u0161\u00ed vzd\u00e1lenost na konc\u00edch<\/td>\nP\u0159irozen\u00e1 konvekce<\/td>\n<\/tr>\n
\u017debrovan\u00e1 ploutev<\/td>\nDrobn\u00e9 dr\u00e1\u017eky nebo z\u00e1hyby v ka\u017ed\u00e9 ploutvi<\/td>\nVysoce v\u00fdkonn\u00e9 syst\u00e9my<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Podle m\u00fdch zku\u0161enost\u00ed s klienty z oblasti zdravotnick\u00fdch p\u0159\u00edstroj\u016f \u010dasto pou\u017e\u00edv\u00e1m tenk\u00e1 rovn\u00e1 \u017eebra, pokud m\u00e1 p\u0159\u00edstroj nucen\u00e9 proud\u011bn\u00ed vzduchu (nap\u0159\u00edklad vestav\u011bn\u00fd ventil\u00e1tor). Pokud v\u0161ak chlazen\u00ed z\u00e1vis\u00ed na p\u0159irozen\u00e9 konvekci, jsou mnohem \u00fa\u010dinn\u011bj\u0161\u00ed kol\u00ed\u010dkov\u00e1 nebo roz\u0161\u00ed\u0159en\u00e1 \u017eebra.<\/p>\n

\n

Jak\u00fd je rozd\u00edl mezi chladi\u010di s v\u00fdvodov\u00fdm \u017eebrov\u00e1n\u00edm a chladi\u010di s deskov\u00fdm \u017eebrov\u00e1n\u00edm?<\/h2>\n

Mnoho in\u017een\u00fdr\u016f, se kter\u00fdmi spolupracujeme, chce vyv\u00e1\u017eit n\u00e1klady, konstrukce proud\u011bn\u00ed vzduchu<\/a>3<\/a><\/sup>a otisk. P\u0159i v\u00fdb\u011bru mezi chladi\u010di s kol\u00edkov\u00fdmi a deskov\u00fdmi \u017eebry je v\u0161ak t\u0159eba vz\u00edt v \u00favahu prost\u0159ed\u00ed, ve kter\u00e9m proud\u00ed vzduch.<\/p>\n

Chladi\u010de s kol\u00edkov\u00fdmi \u017eebry pou\u017e\u00edvaj\u00ed vertik\u00e1ln\u00ed kol\u00edky pro v\u0161esm\u011brov\u00e9 chlazen\u00ed, zat\u00edmco chladi\u010de s deskov\u00fdmi \u017eebry pou\u017e\u00edvaj\u00ed ploch\u00e9 desky pro sm\u011brov\u00e9 proud\u011bn\u00ed vzduchu a jsou \u00fa\u010dinn\u011bj\u0161\u00ed p\u0159i nucen\u00e9 konvekci.<\/strong><\/p>\n

Srovn\u00e1n\u00ed mezi jednotliv\u00fdmi u\u017eivateli<\/h3>\n\n\n\n\n\n\n\n\n\n
Funkce<\/th>\nChladi\u010d Pin Fin<\/th>\nDeskov\u00fd chladi\u010d<\/th>\n<\/tr>\n<\/thead>\n
Sm\u011br proud\u011bn\u00ed vzduchu<\/td>\nV\u0161esm\u011brov\u00e9<\/td>\nLine\u00e1rn\u00ed\/sm\u011brov\u00e9<\/td>\n<\/tr>\n
Plocha povrchu<\/td>\nVysok\u00e1 (v\u00edcesm\u011brn\u00e9 ploutve)<\/td>\nVysok\u00e1 (v z\u00e1vislosti na hustot\u011b)<\/td>\n<\/tr>\n
Ide\u00e1ln\u00ed pro<\/td>\nP\u0159irozen\u00e1 konvekce nebo n\u00e1hodn\u00fd proud vzduchu<\/td>\nNucen\u00e9 proud\u011bn\u00ed vzduchu (ventil\u00e1tory)<\/td>\n<\/tr>\n
V\u00fdrobn\u00ed proces<\/td>\nSlo\u017eit\u011bj\u0161\u00ed (CNC nebo odl\u00e9v\u00e1n\u00ed)<\/td>\nSnadn\u011bj\u0161\u00ed (vytla\u010dov\u00e1n\u00ed, CNC)<\/td>\n<\/tr>\n
N\u00e1klady<\/td>\nObvykle vy\u0161\u0161\u00ed<\/td>\nObecn\u011b ni\u017e\u0161\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kdy doporu\u010duji jednotliv\u00e9 typy?<\/h3>\n

Pokud klient navrhuje kompaktn\u00ed za\u0159\u00edzen\u00ed bez m\u00edsta pro ventil\u00e1tor - nap\u0159\u00edklad nositeln\u00e9 za\u0159\u00edzen\u00ed nebo mal\u00fd fotoapar\u00e1t -, navrhnu kol\u00ed\u010dkov\u00e9 \u017eebrov\u00e1n\u00ed. Pokud v\u0161ak pou\u017e\u00edvaj\u00ed aktivn\u00ed chlazen\u00ed (jako ventil\u00e1tor v pr\u016fmyslov\u00e9m regul\u00e1toru), obvykle vol\u00edm deskov\u00e1 \u017eebra.<\/p>\n

\n

Jak\u00e9 jsou typy chladi\u010d\u016f?<\/h2>\n

N\u011bkdy si kupuj\u00edc\u00ed mysl\u00ed, \u017ee v\u0161echny chladi\u010de jsou stejn\u00e9, ale existuje mnoho druh\u016f. V\u00fdb\u011br \u0161patn\u00e9ho typu m\u016f\u017ee zp\u016fsobit p\u0159eh\u0159\u00edv\u00e1n\u00ed nebo zbyte\u010dn\u011b vynalo\u017een\u00fd rozpo\u010det.<\/p>\n

Mezi hlavn\u00ed typy chladi\u010d\u016f pat\u0159\u00ed kol\u00edkov\u00e9 \u017eebro, deskov\u00e9 \u017eebro, skl\u00e1dan\u00e9 \u017eebro, lepen\u00e9 \u017eebro, ploutev se sklonem<\/a>4<\/a><\/sup>a chladi\u010de s tepelnou trubic\u00ed. Ka\u017ed\u00fd typ vyhovuje specifick\u00e9mu proud\u011bn\u00ed vzduchu a prostorov\u00fdm podm\u00ednk\u00e1m.<\/strong><\/p>\n

B\u011b\u017en\u00e9 typy chladi\u010d\u016f<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Typ<\/th>\nPopis<\/th>\nB\u011b\u017en\u00fd p\u0159\u00edpad pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
Pin Fin<\/td>\nMal\u00e9 kol\u00edky ve tvaru kv\u00e1dru<\/td>\nP\u0159irozen\u00e1 konvekce, st\u00edsn\u011bn\u00e9 prostory<\/td>\n<\/tr>\n
Deska Fin<\/td>\nSvisl\u00e9 ploch\u00e9 desky<\/td>\nSyst\u00e9my nucen\u00e9ho proud\u011bn\u00ed vzduchu<\/td>\n<\/tr>\n
Skived Fin<\/td>\nPloutve vy\u0159ezan\u00e9 p\u0159\u00edmo z masivn\u00edho bloku<\/td>\nVysoce v\u00fdkonn\u00e1, kompaktn\u00ed za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n
Skl\u00e1dan\u00e1 ploutev<\/td>\nTenk\u00e9 plechy skl\u00e1dan\u00e9 do tvaru ploutv\u00ed<\/td>\nLehk\u00e9 a levn\u00e9 aplikace<\/td>\n<\/tr>\n
Lepen\u00e1 ploutev<\/td>\nPloutve p\u0159ilepen\u00e9 nebo p\u0159ip\u00e1jen\u00e9 k z\u00e1kladn\u011b<\/td>\nV\u011bt\u0161\u00ed jednotky, proveden\u00ed na m\u00edru<\/td>\n<\/tr>\n
Tepeln\u00e9 potrub\u00ed<\/td>\nTrubky s pracovn\u00ed kapalinou pro \u00fa\u010dinn\u00fd p\u0159enos tepla<\/td>\nVysok\u00fd p\u0159enos tepla, nerovnom\u011brn\u00e9 tepeln\u00e9 zat\u00ed\u017een\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Jak pom\u00e1h\u00e1m klient\u016fm vybrat spr\u00e1vn\u00fd typ<\/h3>\n

Obvykle za\u010d\u00edn\u00e1m ot\u00e1zkou na n\u00e1sleduj\u00edc\u00ed ot\u00e1zky:<\/p>\n