{"id":3014,"date":"2025-04-09T21:16:22","date_gmt":"2025-04-09T13:16:22","guid":{"rendered":"https:\/\/led.amasly.com\/?page_id=3014"},"modified":"2025-04-09T21:16:29","modified_gmt":"2025-04-09T13:16:29","slug":"what-is-the-principle-of-explosion-proof","status":"publish","type":"page","link":"https:\/\/led.amasly.com\/cs\/knowledge\/explosion-proof-products-knowledge\/what-is-the-principle-of-explosion-proof\/","title":{"rendered":"Jak\u00fd je princip nev\u00fdbu\u0161nosti?"},"content":{"rendered":"
<\/div><\/div>\n\n\n\n

Jak\u00fd je princip nev\u00fdbu\u0161nosti?<\/strong><\/strong><\/h2>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n

Ochrana proti v\u00fdbuchu (ochrana proti v\u00fdbuchu) se vztahuje na schopnost odolat n\u00e1razu v\u00fdbuchu a tepla bez ztr\u00e1ty norm\u00e1ln\u00edho provozu se naz\u00fdv\u00e1 ochrana proti v\u00fdbuchu, aby se zabr\u00e1nilo vzniku v\u00fdbuch\u016f, mus\u00ed b\u00fdt pova\u017eov\u00e1na ze t\u0159\u00ed nutn\u00fdch podm\u00ednek, omezen\u00ed jedn\u00e9 z nutn\u00fdch podm\u00ednek pro omezen\u00ed vzniku v\u00fdbuch\u016f.<\/p>\n\n\n\n

T<\/strong>t\u0159i nezbytn\u00e9 podm\u00ednky<\/strong><\/strong><\/h2>\n\n\n\n

1, t\u0159i podm\u00ednky nutn\u00e9 k vyvol\u00e1n\u00ed v\u00fdbuchu, t\u0159i podm\u00ednky sou\u010dasn\u011b - v\u00fdbuch<\/p>\n\n\n\n

vzn\u00edtit vzn\u00edtit; ho\u0159lav\u00e9 plyny ho\u0159lavina (speci\u00e1ln\u00ed l\u00e1tky mohou b\u00fdt non-O podm\u00ednky ho\u0159en\u00ed a v\u00fdbuchu, nap\u0159. Mg v oxidu uhli\u010dit\u00e9m m\u016f\u017ee prudce ho\u0159et); ho\u0159lav\u00e9 ho\u0159laviny.<\/p>\n\n\n\n

2, aby se zabr\u00e1nilo vzniku v\u00fdbuch\u016f je t\u0159eba uva\u017eovat ze t\u0159\u00ed nutn\u00fdch podm\u00ednek, omezit jednu z nutn\u00fdch podm\u00ednek, omezit vznik v\u00fdbuch\u016f.<\/p>\n\n\n\n

zabr\u00e1nit chemick\u00fdm z\u00e1vod\u016fm, rafineri\u00edm ve v\u00fdbu\u0161n\u00fdch a ho\u0159lav\u00fdch l\u00e1tk\u00e1ch m\u016f\u017ee doj\u00edt k v\u00fdbuchu.<\/p>\n\n\n\n

Za\u0159\u00edzen\u00ed a potrub\u00ed v d\u016fsledku \u0161patn\u00e9ho ut\u011bsn\u011bn\u00ed zp\u016fsoben\u00e9ho \u00fanikem v\u00fdbu\u0161n\u00fdch nebo ho\u0159lav\u00fdch l\u00e1tek, kter\u00e9 se vyskytuj\u00ed v p\u0159\u00edstrojov\u00e9m vybaven\u00ed elektrick\u00fdch kontakt\u016f a elektrick\u00fdch za\u0159\u00edzen\u00ed, m\u016f\u017ee doj\u00edt ke zkratu a vzniku jisker, kter\u00e9 mohou zp\u016fsobit v\u00fdbuch nebo ho\u0159en\u00ed.<\/p>\n\n\n\n

Odolnost proti v\u00fdbuchu<\/strong> opat\u0159en\u00ed<\/strong><\/strong><\/h2>\n\n\n\n

(1) Vyberte vhodn\u00e9 nev\u00fdbu\u0161n\u00e9 p\u0159\u00edstrojov\u00e9 vybaven\u00ed a nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 za\u0159\u00edzen\u00ed, standardn\u00ed konstrukci: Nev\u00fdbu\u0161n\u00e1, zv\u00fd\u0161en\u00e1 bezpe\u010dnost, p\u0159etlakov\u00e1, s p\u00edskovou n\u00e1pln\u00ed, jiskrov\u011b bezpe\u010dn\u00e1 a olejov\u00e1 n\u00e1pl\u0148.<\/p>\n\n\n\n

(2) V\u00fdb\u011br p\u0159izp\u016fsoben\u00fdch metod v\u011btr\u00e1n\u00ed.<\/p>\n\n\n\n

(3) Zabr\u00e1nit nebo minimalizovat mo\u017enost \u00faniku ho\u0159lav\u00fdch l\u00e1tek.<\/p>\n\n\n\n

(4) Nepou\u017e\u00edvejte nebo minimalizujte pou\u017e\u00edv\u00e1n\u00ed elektrick\u00fdch sou\u010d\u00e1st\u00ed, kter\u00e9 jsou n\u00e1chyln\u00e9 k jisk\u0159en\u00ed.<\/p>\n\n\n\n

(5) Udr\u017eujte inertn\u00ed stav napln\u011bn\u00edm plynn\u00fdm dus\u00edkem.<\/p>\n\n\n\n

Odolnost proti v\u00fdbuchu<\/strong> design<\/strong><\/strong><\/h2>\n\n\n\n

P\u0159i n\u00e1vrhu budovy by m\u011bly b\u00fdt p\u0159im\u011b\u0159en\u011b stanoveny po\u017eadavky na budovu:<\/p>\n\n\n\n

(1) po\u010det podla\u017e\u00ed budovy. Obecn\u011b je vhodn\u00e9 pou\u017e\u00edt jednopodla\u017en\u00ed budovu. Pro mus\u00ed br\u00e1t zdola nahoru nebo shora dol\u016f tok v\u00fdrobn\u00edho procesu budovy lze pou\u017e\u00edt pouze v\u00edcepodla\u017en\u00ed budovu.<\/p>\n\n\n\n

Ve v\u00edcepodla\u017en\u00ed budov\u011b, pokud je pouze \u010d\u00e1st nev\u00fdbu\u0161n\u00e9 m\u00edstnosti, by m\u011bla b\u00fdt um\u00edst\u011bna pokud mo\u017eno v nejvy\u0161\u0161\u00edm podla\u017e\u00ed, nem\u016f\u017ee b\u00fdt um\u00edst\u011bna v suter\u00e9nu nebo polosuter\u00e9nu.<\/p>\n\n\n\n

Pokud je proces odolnosti proti v\u00fdbuchu nahoru a dol\u016f a\u017e do horn\u00ed \u010d\u00e1sti nejvy\u0161\u0161\u00edho patra, m\u011bly by b\u00fdt na ka\u017ed\u00e9m pat\u0159e otev\u0159eny odleh\u010dovac\u00ed otvory, plocha by nem\u011bla b\u00fdt men\u0161\u00ed ne\u017e 15% podlahov\u00e9 plochy, st\u0159echa lehk\u00e9 odleh\u010dovac\u00ed st\u0159echy.<\/p>\n\n\n\n

\u2461 stupe\u0148 po\u017e\u00e1rn\u00ed odolnosti. V\u00fdbuchy \u010dasto vedou k po\u017e\u00e1ru, budovy odoln\u00e9 proti v\u00fdbuchu by m\u011bly m\u00edt vysok\u00fd stupe\u0148 po\u017e\u00e1rn\u00ed odolnosti: jednopodla\u017en\u00ed budova ne m\u00e9n\u011b ne\u017e dva, v\u00edcepodla\u017en\u00ed budova by m\u011bla b\u00fdt na \u00farovni.<\/p>\n\n\n\n

\u2462 typ struktury. Aby se p\u0159ede\u0161lo v\u00fdbuchu zp\u016fsoben\u00e9mu z\u0159\u00edcen\u00edm budovy, m\u011bla by b\u00fdt zvolena nev\u00fdbu\u0161n\u00e1 nosn\u00e1 konstrukce a m\u011bla by b\u00fdt provedena opat\u0159en\u00ed pro sn\u00ed\u017een\u00ed tlaku. Obecn\u011b \u017eelezobetonov\u00e1 konstrukce; pokud je st\u011bna siln\u011bj\u0161\u00ed nebo je plocha budovy odoln\u00e9 proti v\u00fdbuchu velmi mal\u00e1, lze pou\u017e\u00edt cihlovou st\u011bnu nosn\u00e9 sm\u00ed\u0161en\u00e9 konstrukce, ale mus\u00ed se z\u0159\u00eddit lehk\u00e1 odleh\u010dovac\u00ed st\u0159echa.<\/p>\n\n\n\n

\u2463 tvar roviny. Rovina budovy by m\u011bla b\u00fdt obd\u00e9ln\u00edkov\u00e1. \u010c\u00edm men\u0161\u00ed je \u0161\u00ed\u0159ka budovy, t\u00edm v\u011bt\u0161\u00ed je pom\u011br plochy vn\u011bj\u0161\u00edch st\u011bn k objemu, t\u00edm p\u0159\u00edzniv\u011bj\u0161\u00ed je osv\u011btlen\u00ed, v\u011btr\u00e1n\u00ed a odleh\u010den\u00ed tlaku. \u0160\u00ed\u0159ka v\u00edcepodla\u017en\u00ed budovy by nem\u011bla b\u00fdt v\u011bt\u0161\u00ed ne\u017e 18 metr\u016f.<\/p>\n\n\n\n

\u2464 Bezpe\u010dnostn\u00ed vstupy a v\u00fdstupy. Bezpe\u010dnostn\u00ed evakua\u010dn\u00ed vchody a v\u00fdchody by obecn\u011b nem\u011bly b\u00fdt m\u00e9n\u011b ne\u017e dva a mus\u00ed spl\u0148ovat bezpe\u010dnostn\u00ed evakua\u010dn\u00ed vzd\u00e1lenost a evakua\u010dn\u00ed \u0161\u00ed\u0159ku a dal\u0161\u00ed po\u017eadavky.<\/p>\n\n\n\n

\u2465 Uspo\u0159\u00e1d\u00e1n\u00ed nev\u00fdbu\u0161n\u00e9ho \u00faseku. Budovy mus\u00ed b\u00fdt pouze \u010d\u00e1ste\u010dn\u011b nev\u00fdbu\u0161n\u00e9, nev\u00fdbu\u0161n\u00e1 sekce by m\u011bla b\u00fdt uspo\u0159\u00e1d\u00e1na u vn\u011bj\u0161\u00ed st\u011bny, co\u017e vy\u017eaduje alespo\u0148 dv\u011b plochy vn\u011bj\u0161\u00ed st\u011bny;<\/p>\n\n\n\n

Pokud je pouze jedna plocha vn\u011bj\u0161\u00ed st\u011bny, m\u011bla by jej\u00ed plocha tvo\u0159it v\u00edce ne\u017e 25% celkov\u00e9ho obvodu m\u00edstnosti. v\u00fdroba v\u00fdbu\u0161nin v z\u00e1vod\u011b, je vhodn\u00e9 pou\u017e\u00edt otev\u0159enou nebo polootev\u0159enou budovu.<\/p>\n\n\n\n

Odolnost proti v\u00fdbuchu<\/strong> vybaven\u00ed<\/strong><\/strong><\/h2>\n\n\n\n

Definice: Elektrick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 za stanoven\u00fdch podm\u00ednek nezp\u016fsob\u00ed vzn\u00edcen\u00ed okoln\u00edho v\u00fdbu\u0161n\u00e9ho prost\u0159ed\u00ed.<\/p>\n\n\n\n

D\u011bl\u00ed se do t\u0159\u00ed kategori\u00ed:<\/strong><\/strong><\/h4>\n\n\n\n

T\u0159\u00edda \u2160: podzemn\u00ed elektrick\u00e1 za\u0159\u00edzen\u00ed uheln\u00fdch dol\u016f;<\/p>\n\n\n\n

T\u0159\u00edda \u2161: krom\u011b uheln\u00fdch dol\u016f, podzem\u00ed, v\u0161echna ostatn\u00ed elektrick\u00e1 za\u0159\u00edzen\u00ed pro v\u00fdbu\u0161n\u00e9 prost\u0159ed\u00ed.<\/p>\n\n\n\n

T\u0159\u00eddu \u2161 lze rozd\u011blit na t\u0159\u00eddy \u2161 A, \u2161 B, \u2161 C, ozna\u010den\u00ed \u2161 B lze pou\u017e\u00edt pro podm\u00ednky pou\u017eit\u00ed za\u0159\u00edzen\u00ed \u2161 A; \u2161 C lze pou\u017e\u00edt pro podm\u00ednky pou\u017eit\u00ed \u2161 A, \u2161 B.<\/p>\n\n\n\n

T\u0159\u00edda III: elektrick\u00e1 za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e1 v prost\u0159ed\u00ed s v\u00fdbu\u0161n\u00fdm prachem jin\u00e9m ne\u017e v uheln\u00fdch dolech.<\/p>\n\n\n\n

Elektrick\u00e1 za\u0159\u00edzen\u00ed t\u0159\u00eddy III se d\u011bl\u00ed na: T\u0159\u00edda IIIA: ho\u0159lav\u00fd prach; t\u0159\u00edda IIIB: nevodiv\u00fd prach; t\u0159\u00edda IIIC: vodiv\u00fd prach.<\/p>\n\n\n\n

Pozn\u00e1mka: Ozna\u010den\u00ed \u2161 C je vy\u0161\u0161\u00ed stupe\u0148 nev\u00fdbu\u0161nosti, ale neznamen\u00e1, \u017ee za\u0159\u00edzen\u00ed m\u00e1 nejlep\u0161\u00ed v\u00fdkon.<\/p>\n\n\n\n

Maxim\u00e1ln\u00ed povrchov\u00e1 teplota: elektrick\u00e9 za\u0159\u00edzen\u00ed v uveden\u00e9m rozsahu nejnep\u0159\u00edzniv\u011bj\u0161\u00edch provozn\u00edch podm\u00ednek, m\u016f\u017ee zp\u016fsobit vzn\u00edcen\u00ed okoln\u00edho v\u00fdbu\u0161n\u00e9ho prost\u0159ed\u00ed kter\u00e9koli \u010d\u00e1sti elektrick\u00e9ho za\u0159\u00edzen\u00ed dos\u00e1hnout nejvy\u0161\u0161\u00ed teploty. Maxim\u00e1ln\u00ed povrchov\u00e1 teplota by m\u011bla b\u00fdt ni\u017e\u0161\u00ed ne\u017e teplota ho\u0159laviny.<\/p>\n\n\n\n

Nap\u0159\u00edklad: Maxim\u00e1ln\u00ed povrchov\u00e1 teplota kter\u00e9koli z jeho sou\u010d\u00e1st\u00ed by m\u011bla b\u00fdt ni\u017e\u0161\u00ed ne\u017e 100 \u2103.: prost\u0159ed\u00ed sn\u00edma\u010de odoln\u00e9ho proti v\u00fdbuchu teplota vzn\u00edcen\u00ed v\u00fdbu\u0161n\u00e9ho plynu 100 \u2103, pak by m\u011bl b\u00fdt sn\u00edma\u010d v nejnep\u0159\u00edzniv\u011bj\u0161\u00edch provozn\u00edch podm\u00ednk\u00e1ch.<\/p>\n\n\n\n

Teplotn\u00ed skupina: elektrick\u00e1 za\u0159\u00edzen\u00ed pro v\u00fdbu\u0161n\u00e9 prost\u0159ed\u00ed se podle maxim\u00e1ln\u00ed povrchov\u00e9 teploty d\u011bl\u00ed do skupin T1-T6.<\/p>\n\n\n\n

T1<\/td>T2<\/td>T3<\/td>T4<\/td>T5<\/td>T6<\/td><\/tr>
450 \u2103<\/td>300 \u2103<\/td>200\u2103<\/td>135 \u2103<\/td>100 \u2103<\/td>85\u2103<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Odolnost proti v\u00fdbuchu<\/strong> cesta<\/strong><\/strong><\/h2>\n\n\n\n

V\u00fdbu\u0161n\u00e1 nebezpe\u010dn\u00e1 m\u00e9dia v tov\u00e1rn\u00e1ch nebo d\u016fln\u00edch oblastech, podle jejich z\u00e1paln\u00e9 energie, minim\u00e1ln\u00ed teploty vzn\u00edcen\u00ed a p\u0159\u00edtomnosti v\u00fdbu\u0161n\u00fdch nebezpe\u010dn\u00fdch plyn\u016f na m\u00edst\u011b, \u010dasov\u00e9 obdob\u00ed pro v\u011bdeckou klasifikaci a t\u0159\u00edd\u011bn\u00ed, aby bylo mo\u017en\u00e9 ur\u010dit nev\u00fdbu\u0161n\u00e1 za\u0159\u00edzen\u00ed na m\u00edst\u011b Nev\u00fdbu\u0161n\u00e9 zna\u010dky a nev\u00fdbu\u0161n\u00fd formul\u00e1\u0159.<\/p>\n\n\n\n

Vysv\u011btlen\u00ed pojm\u016f:<\/strong><\/strong><\/h4>\n\n\n\n

T\u0159\u00edda ia: p\u0159i b\u011b\u017en\u00e9m provozu nem\u016f\u017ee p\u0159i poru\u0161e a dvou poruch\u00e1ch doj\u00edt ke vzn\u00edcen\u00ed v\u00fdbu\u0161n\u00e9 plynn\u00e9 sm\u011bsi elektrick\u00e9ho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Pro norm\u00e1ln\u00ed provoz je bezpe\u010dnostn\u00ed faktor 2,0; pro jednu poruchu je bezpe\u010dnostn\u00ed faktor 1,5; pro dv\u011b poruchy je bezpe\u010dnostn\u00ed faktor 1,0.<\/p>\n\n\n\n

Pozn\u00e1mka: Kontakty s jiskrami mus\u00ed b\u00fdt dopln\u011bny o nev\u00fdbu\u0161n\u00fd kryt, plynot\u011bsn\u00fd kryt nebo zdvojeny, aby se zv\u00fd\u0161il bezpe\u010dnostn\u00ed faktor.<\/p>\n\n\n\n

T\u0159\u00edda ib: Elektrick\u00e1 za\u0159\u00edzen\u00ed, kter\u00e1 nemohou zap\u00e1lit v\u00fdbu\u0161n\u00e9 plynn\u00e9 sm\u011bsi p\u0159i b\u011b\u017en\u00e9m provozu a jedn\u00e9 poru\u0161e.<\/p>\n\n\n\n

P\u0159i b\u011b\u017en\u00e9m provozu je bezpe\u010dnostn\u00ed faktor 2,0; v p\u0159\u00edpad\u011b poruchy je bezpe\u010dnostn\u00ed faktor 1,5.<\/p>\n\n\n\n

P\u0159i b\u011b\u017en\u00e9m provozu jsou jiskrov\u00e9 kontakty chr\u00e1n\u011bny nev\u00fdbu\u0161n\u00fdm nebo plynot\u011bsn\u00fdm krytem a existuj\u00ed opat\u0159en\u00ed pro samo\u010dinn\u00e9 zobrazen\u00ed poruch a bezpe\u010dnostn\u00ed koeficient je 1,0 pro jednu poruchu.<\/p>\n\n\n\n

EExd: znamen\u00e1 v\u00fdznam bal\u00ed\u010dku v\u00fdbuchu;<\/p>\n\n\n\n

IIC: ozna\u010duje energii vzn\u00edcen\u00ed uJ,280,>180,60.... .80,<60; T6: znamen\u00e1 teplotn\u00ed skupinu, tj. elektrick\u00e9 za\u0159\u00edzen\u00ed se podle sv\u00e9 maxim\u00e1ln\u00ed povrchov\u00e9 teploty d\u011bl\u00ed do r\u016fzn\u00fdch teplotn\u00edch skupin. Teplotn\u00ed skupiny plyn\u016f se d\u011bl\u00ed podle r\u016fzn\u00fdch teplot vzn\u00edcen\u00ed. t6 je 85 stup\u0148\u016f.<\/p>\n\n\n\n

Nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 za\u0159\u00edzen\u00ed (d): t\u00fdk\u00e1 se sou\u010d\u00e1st\u00ed, kter\u00e9 mohou zap\u00e1lit v\u00fdbu\u0161nou sm\u011bs, je uzav\u0159eno v pl\u00e1\u0161ti, pl\u00e1\u0161\u0165 m\u016f\u017ee odolat tlaku v\u00fdbuchu vnit\u0159n\u00ed v\u00fdbu\u0161n\u00e9 sm\u011bsi a zabr\u00e1nit a okoln\u00ed v\u00fdbu\u0161n\u00e9 sm\u011bsi a v\u00fdbu\u0161n\u00e9 sm\u011bsi elektrick\u00e9ho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Zv\u00fd\u0161en\u00e1 bezpe\u010dnost elektrick\u00fdch za\u0159\u00edzen\u00ed (e): za norm\u00e1ln\u00edch provozn\u00edch podm\u00ednek nevytv\u00e1\u0159\u00ed vzn\u00edcen\u00ed v\u00fdbu\u0161n\u00e9 sm\u011bsi jisker nebo nebezpe\u010dn\u00fdch teplot a ve struktu\u0159e opat\u0159en\u00ed ke zv\u00fd\u0161en\u00ed stupn\u011b bezpe\u010dnosti, aby se zabr\u00e1nilo jevu vzn\u00edcen\u00ed v norm\u00e1ln\u00edch a stanoven\u00fdch podm\u00ednk\u00e1ch p\u0159et\u00ed\u017een\u00ed elektrick\u00fdch za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Jiskrov\u011b bezpe\u010dn\u00e1 elektrick\u00e1 za\u0159\u00edzen\u00ed (i): Elektrick\u00e1 za\u0159\u00edzen\u00ed, u nich\u017e jiskry ani tepeln\u00e9 \u00fa\u010dinky nemohou za norm\u00e1ln\u00edho provozu nebo za standardn\u00edch zku\u0161ebn\u00edch podm\u00ednek zap\u00e1lit v\u00fdbu\u0161n\u00e9 sm\u011bsi.<\/p>\n\n\n\n

Nejisk\u0159\u00edc\u00ed elektrick\u00e1 za\u0159\u00edzen\u00ed (n): za norm\u00e1ln\u00edch provozn\u00edch podm\u00ednek nevytv\u00e1\u0159ej\u00ed oblouky ani jiskry a nevytv\u00e1\u0159ej\u00ed mohou zap\u00e1lit okoln\u00ed v\u00fdbu\u0161nou sm\u011bs vysokoteplotn\u00edch povrch\u016f nebo sp\u00e1lenin a obecn\u011b nedoch\u00e1z\u00ed k zap\u00e1len\u00ed p\u0159i poru\u0161e elektrick\u00e9ho za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Zvl\u00e1\u0161tn\u00ed typ (y) odoln\u00fd proti v\u00fdbuchu: elektrick\u00e1 za\u0159\u00edzen\u00ed nebo sou\u010d\u00e1sti pou\u017e\u00edvaj\u00edc\u00ed GB3836-83, kter\u00e9 nejsou zahrnuty do typu odoln\u00e9ho proti v\u00fdbuchu, p\u0159\u00edslu\u0161n\u00e9 org\u00e1ny vypracuj\u00ed do\u010dasn\u00e9 p\u0159edpisy. Zasl\u00e1no Ministerstvu pr\u00e1ce a person\u00e1lu k evidenci a ur\u010denou identifika\u010dn\u00ed jednotkou zkou\u0161ce, podle likvidace zvl\u00e1\u0161tn\u00edho elektrick\u00e9ho za\u0159\u00edzen\u00ed typu \u201cs\u201d.<\/p>\n\n\n\n

V\u00fdbu\u0161n\u00e1 oblast<\/strong><\/strong><\/h2>\n\n\n\n

Nebezpe\u010dn\u00e9 oblasti v\u00fdznamu oblasti je skute\u010dn\u00e1 existence mo\u017enosti nebezpe\u010dn\u00fdch m\u011b\u0159en\u00ed, kter\u00e1 stanov\u00ed p\u0159\u00edslu\u0161n\u00fd typ nev\u00fdbu\u0161nosti.<\/p>\n\n\n\n

1, Mezin\u00e1rodn\u00ed elektrotechnick\u00e1 komise \/ Evropsk\u00e1 elektrotechnick\u00e1 komise klasifikovala nebezpe\u010dn\u00e9 prostory do t\u0159\u00edd:<\/p>\n\n\n\n

Z\u00f3na 0 (Zone 0): V\u00fdbu\u0161n\u00e9 plyny v\u017edy nebo po dlouhou dobu; trval\u00e1 p\u0159\u00edtomnost nebezpe\u010dn\u00fdch v\u00edce ne\u017e 1000 hodin\/rok;<\/p>\n\n\n\n

Z\u00f3na 1 (Zone 1): p\u0159i spr\u00e1vn\u00e9m provozu p\u0159\u00edstroje se mohou vyskytovat nebo existuj\u00ed ho\u0159lav\u00e9 plyny; ob\u010dasn\u00e1 p\u0159\u00edtomnost nebezpe\u010dn\u00fdch 10~1000 hodin\/rok;<\/p>\n\n\n\n

Z\u00f3na 2: Nebezpe\u010d\u00ed n\u00e1hodn\u00e9ho stavu existuje v oblasti 0,1~10 hodin\/rok. 2. z\u00f3na: Obecn\u011b se zde ho\u0159lav\u00fd plyn nevyskytuje, a i kdy\u017e se ob\u010das vyskytne, z\u00e1kladn\u00ed doba jeho v\u00fdskytu je velmi kr\u00e1tk\u00e1;<\/p>\n\n\n\n

\u010c\u00edna je rozd\u011blena do nebezpe\u010dn\u00fdch oblast\u00ed a plat\u00ed pro ni tot\u00e9\u017e, co je uvedeno v\u00fd\u0161e.<\/p>\n\n\n\n

2, klasifikace oblast\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu, mezin\u00e1rodn\u00ed normy a americk\u00e9 normy pro srovn\u00e1n\u00ed<\/p>\n\n\n\n

I.E.C.<\/a><\/p>\n\n\n\n

Plynov\u00e1 z\u00f3na 0, z\u00f3na 1, z\u00f3na 2<\/p>\n\n\n\n

Prachov\u00e1 z\u00f3na 20, z\u00f3na 21, z\u00f3na 22<\/p>\n\n\n\n

N.E.C.<\/a><\/p>\n\n\n\n

Plyny T\u0159\u00edda I, Divize I, T\u0159\u00edda I, Divize I, T\u0159\u00edda I, Divize II<\/p>\n\n\n\n

Prach t\u0159\u00eddy II, divize I, t\u0159\u00edda II, divize II<\/p>\n\n\n\n

I.E.C.: Mezin\u00e1rodn\u00ed elektrotechnick\u00e1 komise<\/p>\n\n\n\n

N.E.C.: National Electrical Code, USA.<\/p>\n\n\n\n

<\/div><\/div>\n\n\n\n

Souvisej\u00edc\u00ed produkty<\/h2>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
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Sv\u011btla LED odoln\u00e1 proti v\u00fdbuchu<\/a><\/h4>\n<\/div>\n\n\n\n
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Trojit\u00e1 ochrann\u00e1 sv\u011btla LED<\/a><\/h4>\n<\/div>\n\n\n\n
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Sv\u011btla \u010derpac\u00edch stanic odoln\u00e1 proti v\u00fdbuchu<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n\n\n\n
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\"\"<\/a><\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
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LED sv\u011btla pro zaplaven\u00ed<\/a><\/h4>\n<\/div>\n\n\n\n
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LED Tri-Proof Tube Lights<\/a><\/h4>\n<\/div>\n\n\n\n
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Pouli\u010dn\u00ed osv\u011btlen\u00ed LED<\/a><\/h4>\n<\/div>\n<\/div><\/div>\n\n\n\n
<\/div><\/div>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

What is the principle of explosion proof? Explosion protection (explosion protection) refers to the ability to resist the impact of the explosion and heat without loss of normal operation is called explosion protection, to prevent the generation of explosions must be considered from the three necessary conditions, limiting one of the necessary conditions to limit […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2374,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-3014","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"What is the principle of explosion proof? Explosion protection (explosion protection) refers to the ability to resist the impact of the explosion and heat without loss of normal operation is called explosion protection, to prevent the generation of explosions must be considered from the three necessary conditions, limiting one of the necessary conditions to limit…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/pages\/3014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=3014"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/pages\/3014\/revisions"}],"predecessor-version":[{"id":3019,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/pages\/3014\/revisions\/3019"}],"up":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/pages\/2374"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=3014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}