KS C IEC 61241-18-2006 Electrical apparatus for use in the presence of combustible dust－ Part 18：Protection by encapsulation “mD”《粉尘防爆电器设备 第18部分 封装“mD 型防护设备》.pdf

1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 7 http:/www.kats.go.krKS C IEC 61241 18 18： “mD” KS C IEC 6124118：2006 (2011 ) C IEC 61241 18： 2006 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： : 2006 12 7 : 2011 12 28 2011-0694 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 29.260.20 K

2、S C IEC 18： “mD” 61241 18： 2006(2011 ) Electrical apparatus for use in the presence of combustible dust Part 18： Protection by encapsulation “mD” 2004 1 IEC 61241 18 Electrical apparatus for use in the presence of combustible dust Part 18： Protection by encapsulation “mD” . 1. KS C IEC 61241 0 , , .

3、 . 10 kV , , . 1. 10 % . 2. KS C IEC 61241 14(“ 14： ) . KS C IEC 60079 0( ) . . . . . , . 2. . . KS C IEC 60079 7 7： KS C IEC 60079 11 11： KS C IEC 60127( ) KS C IEC 60243 1 1： KS C IEC 60622 KS C IEC 60664 1 1： , C IEC 61241 18： 2006 2 KS C IEC 60691 KS C IEC 61241 0 0： KS C IEC 61241 1 1： KS C IEC

4、 61436 Ni/MH KS C IEC 61558 2 6 , 2： KS C IEC 61960 1 2 KS M ISO 62 IEC 60086 1 Primary batteries Part 1： General IEC 60285 Alkaline secondary cells and batteries Sealed nickel-cadmium cylindrical rechargeable single cells IEC 61150 Alkaline secondary cells and batteries Sealed nickel cadmium rechar

5、geable monobloc batteries in button cell design IEC 61241 11 Electrical apparatus for use in the presence of combustible dust Part 11： Protection by intrinsic safety “iD” IEC 62326 4 1 Printed boards Part 4： Rigid multilayer printed boards with interlayer connections Sectional specification Section

6、1： Capability detail specification Performance levels A, B, and C ANSI/UL 248 1 Standard for low-voltage fuses Part 1： General requirements ANSI/UL 746B Polymeric Materials Long-term Property Evaluations 3. . KS C IEC 61241 0 . 3.1 (encapsulation “mD”) 3.2 (compounds) / ( ) , , 3.3 (temperature rang

7、e of the compound) 3.4 Continuous Operating Temperature (COT) of the compound 3.5 (encapsulation) 3.6 (free surface) 3.7 (normal operation) 1 . . 2. . 3.8 (void) 3.9 (free space) C IEC 61241 18： 2006 3 3.10 (switching contact) 4. 4.1 KS C IEC 61241 0 5. . 4.2 “maD” “mbD” . , . KS C IEC 60127 KS C IE

8、C 60691 , . 4.3 “maD” “maD” . a) b) c) “maD” , 1 kV . “maD” , . , 6.2 . “mbD” , . “maD” . 4.4 “mbD” “mbD” . a) b) 4.5 “maD” “mbD” ( ) . 7.7 . 5. 5.1 KS C IEC 61241 0 23.2 . . . 5.2 . . a) b) , , , c) , d) , , C IEC 61241 18： 2006 4 e) , 8.1 . , KS C IEC 61241 0 29.2 l) “X” . f) 8.2.2 KS C IEC 60243

9、1 g) ( ) h) , KS C IEC 61241 0 6.1.4 (TI). TI ANSI/UL 746B (RTI ) . i) , 6. 6.1 . . 6.2 , (non-resetting) , . “mbD” , “maD” . . (resettable) . KS C IEC 60127 KS C IEC 60691 , . 7.2.1 . 7.2.1 , . 6.3 6.3.1 4.5 8.2.2 . 6.3.2 . 8.2.2 . , . 7. 7.1 , . , KS C IEC 61241 0 29.2 l) “X” . 7.2 . 7.2 7.7 . , (

10、 , ) . , C IEC 61241 18： 2006 5 , . , . . . 7.2 7.2.1 ( 90110 %), ( “maD” , “mbD” ) . . . , , 1 . 7.2.2 , , , 2/3 , . , KS C IEC 60079 11 8.4 , , KS C IEC 60079 11 8.6 , “mbD” “maD” . IEC 61241 11 “iaD” , . . a) (optocoupler) , 2U 1 000 V(U ) 1 500 V a.c. b) KS C IEC 61558 2 6 IEC 61241 11 c) KS C I

11、EC 60079 7 , , 0.25 mm 7.2.3 7.2.3.1 7.2.3.2( ) , 7.2.1 . ( 1 . 20 % C IEC 61241 18： 2006 6 , .) 7.2.3.1 , 1 . 1 ( ) U (V) (mm) 63 0.5 400 1 500 1.5 630 2 1 000 2.5 1 600 4 3 200 7 6 300 12 10 000 20 KS C IEC 60664 1 . 10 % . KS C IEC 60664 1 3 b) . 7.2.3.2 0.1 mm 8.2.4 , . 7.2.4 , KS C IEC 61241 1

12、. ( ) 7.2.57.2.7 . 8.2.4 . 7.2.5 1 (free surface) 2 . 2 “maD” “mbD” 2 cm2 b 1 ( , 1 mm ) b 3 mm 2 cm2 b 1 ( , 3 mm ) c 1 c 1 d 3 mm d 1 mm b c d C IEC 61241 18： 2006 7 1 1 7.2.6 2 3 . 3 “maD” “mbD” a 3 mm a 1 mm b 3 mm b 1 ( , 3 mm, ) a b 1 2 (7.2.3.2 ) 2 C IEC 61241 18： 2006 8 7.2.7 3 4 . 4 t 1 mm

13、t 1 mm t 1 mm t 1 mm “maD” “mbD” “maD” “mbD” “maD” “mbD” “maD” “mbD” a 3 mm a 1 mm a t 3 mm a t 1 mm a 3 mm a 3 mm a 3 mm a 1 mm b 1 ( , 3 mm ) a b t 1 3 7.2.8 , . a) “maD” 0.1 mm 5 mm . b) “mbD” . , 7.2.4 . U = (2U 1 000 V) a.c. 1 500 V a.c. . 7.2.9 7.2.9.1 IEC 62326 4 1 C 7.2.9.2 500 V . 7.2.9.2 (

14、 ) 7.2.3.2 . 3 mm . 1 mm , 1 mm . IEC 61241 11 . 35 m . 4 C IEC 61241 18： 2006 9 5 5 “maD” “mbD” a 3 mm 0.5 mm b 3 mm 3 mm c 3 mm 1 mm d 0.1 mm(7.2.3.2 ) 0.1 mm(7.2.3.2 ) e 1 1 a b c d e 1 2 4 7.3 . 2/3 6 A . 7.4 , . , 8.2.5 . 7.5 (protection of bare live parts) KS C IEC 61241 0 . 7.6 7.6.1 C IEC 61

15、241 18： 2006 10 , . , . “maD” IEC 61241 11 . 7.6.2 . , 7.6.9 . 2 . . . a) . b) “ ” . c) 7.6.9 . d) 7.6.2 c) 7.6.9 . 7.6.3 KS C IEC 61241 0 22.3 . . 6 7 . 6 1 IEC 60086 1 (V) (V) 1.50 1.73 A 1.40 1.55 B 3.00 3.70 C 3.00 3.70 L 1.50 1.65 P 1.40 1.68 S 1.55 1.63 T 1.55 1.87 7 2 KS C IEC V V K IEC 60285 IEC 60622 IEC 61150 / 1.20 1.55 KS C IEC 61436 1.20 1.50 KS C IEC 61960 1 3.60 7.6.4 . a) C IEC 61241 18： 2006 11 80 , . b) 7.6.57.6.9 . 7.6.5 , . ,