1、 60079-52012 5 qIEC 60079-5:2007Explosive atmospheres Part 5: Equipment protection by powder filling q(IDT) 27 2002 . 184- , 1.02004 . 1 -( -) , 42 403 - (-)3 17 2012 . 318-4 60079-5:2007 - . 5. q(IEC 60079-5 Explosive atmospheres Part 5: Equipment protection by powder filling q). - - , 5 , - . () .
2、 - , , 2013 , - - II 60079-520121 .12 13 24 .24.1 .24.2 .34.3 34.4 .44.5 .44.6 54.7 54.8 .54.9 .55 85.1 .85.2 96 .97 10() ,-.11() ().1415III 60079-52012 - 60079-5, - 94/9 . . 27.12.2002 . 184- . , . 60079-0:2007 . 0. . , , -, .IV 60079-52012 5 qExplosive atmospheres. Part 5. Equipment protection by
3、powder filling q 201307011 , -, - - q, .1 - q , , , , , , . .2 q - Gb. ., , , 60079-0. , - 60079-0, . - , -, :- 16;- 1000 ;- 1000 .2 .- , ( ). 60079-0:2004 . 0. -IEC 60079-0:2004 Electrical apparatus for explosive gas atmospheres Part 0: Equipment. Generalrequirements 60079-1 . 1. - dIEC 60079-1 Exp
4、losive Atmospheres Part 1: Flameproof enclosure d 60079-7 . 7. - eIEC 60079-7 Explosive Atmospheres Part 7: Equipment protection by increased safety e1 60079-52012 60079-11 . 11. iIEC 60079-11 Explosive Atmospheres Part 11: Equipment protection by intrinsic safety i 60529 , ( IP)IEC 60529 Degrees of
5、 protection provided by enclosures (IP Code) 3310-1 . . 1. ISO 3310-1 Test sieves Technical requirements and testing Part 1: Test sieves of metal wire cloth 3310-2 . . 2. ISO3310-2 Testsieves Technicalrequirementsandtesting Part2:Testsievesofperforatedplates 2591-1 . 1. - ISO 2591-1 Test sieving Met
6、hods using test sieves of woven wire cloth and perforated metal plate3 , 60079-0, . , , 60050-426 1.3.1 q (powder filling q): , , , , - . - . , , - , - .3.2 (filling material): .3.3 (distance through filling material): , .4 4.1 60079-0 .4.1.1 , - - q -.,4.1.1.14.1.1.2.4.1.1.1 , , . ) 6.4.1.1.2 , , -
7、, , - . b) 6. , -, , , , , , , .2 60079-520124.1.2 , - q , 5.1.1.4.1.3 , - q , . . , , IP54 60529. IP55 , . - IP54 - 60529. . , . , - . . q, - , IP43. - 60079-0 ( 29.2, i), -. - q ,60079-0,IP54. ,- -, , . q 0,1 . , .4.1.4 , (, ). - , - q (. 4.3.2).4.2 4.2.1 2591-1 - 1 3310-1 3310-2 - 500 3310-1.4.2.2 , 60079-0, - , - . - .4.2.3 5.1 5.2.4.3 4.3.1 , - , 1. - , , . , .3 60079-52012 1 , , U c163 250 5400 6,3500 8800 101000 141600 162500 253200 324000 405000 506300 638000 8010000 100 , 3b 60664-1 2. , , - , , , - 1,1. 4.9 . , - 1000 , 1 1000 ,
