1、KSKSKSKS KS B ISO 2151SKSKSKS KSKSKS SKSKS KSKS SKS KS ( 2)KS B ISO 2151： 2005 2005 12 29 B ISO 2151：2005 ( ) ( ) ( ) ( ) ： ：2005 12 29 20051145 ： ： ( ) ( 02 5097287 90) . 7 5 , . B ISO 2151：2005 1 1 . 1 2. 1 3. 2 4. 4 4.1 4 4.2 4 4.3 4 5. 5 5.1 5 5.2 LWA LpWSA 6 5.3 LWA LpWSA 6 6. , 7 6.1 7 6.2 7 6
2、.3 7 7. 7 8. 7 A() 9 B() 15 C() 16 D() 17 E() 18 21 22 i ICS 17.140.20； 23.140 KS ( 2) B ISO 2151：2005Acoustics Noise test code for compressors and vacuum pumps Engineering method(Grade 2) 2004 2 ISO 2151 Acoustics Noise test code for compressors and vacuum pumpsEngineering method(Grade 2) . 1. , .
3、, , . . (oil-free) 4 MPa(40 bar) , 0 ( 1 000 kW ), (skid-mounted type) , 0.2 MPa(2 bar) . 0.5 bar/0.05 MPa 2. . . KS A ISO 3744 B ISO 2151：2005 KS A ISO 4871 KS A ISO 9614 1 1： KS A ISO 9614 2 2 ： KS A ISO 11201 KS A ISO 11202 KS A ISO 11203 KS C IEC 61672 1 ( ) 1： 3. . 3.1 (compressor) , . 3.2 (vac
4、uum pump) , / . 3.3 (emission) ( ) 1. KS A ISO 11203 . 2. / . . 3.4 (emission sound pressure) p , , (Pa) KS A ISO 11203 . 3.5 (emission sound pressure level) Lp 10 , (dB) . KS C IEC 61672 1 . AWeight , LpA 1. 20 Pa. 2. LpA LpAeqT . LpAeqT KS C IEC 61672 1 , LpAeqT LpA . LpAeqT KS A ISO 3744 3.2.1 .
5、3. KS A ISO 11203 . 3.6 (sound power) W KS A ISO 3744. 3.7 (sound power level) LW 2 B ISO 2151：2005 10 , (dB) . KS C IEC 61672 1 . 1. . , A Weight , LWA2. 1 pW(1 pW =1012 W). 3. KS A ISO 3744 . 3.8 (sound intensity) 1. . 2. KS A ISO 9614 1 KS A ISO 9614 2 . 3.9 (partial sound power) Pi . iiiiiSISIP
6、=nrr Ini： i Si： i 3.10 (background noise correction) K1 (dB) . 1. K1 . 2. AWeight K1A . 3. KS A ISO 3744 . 3.11 (environmental correction) K2 (dB) . 1. K2 . 2. AWeight K2A . 3. KS A ISO 3744 . 3.12 (reference box) KS A ISO 3744. 3.13 (measurement surface) S . 3.14 (measurement distance) ( d) ( r) KS
7、 A ISO 3744 . 3.15 (noise emission declaration) 3.16 (uncertainty) K (dB) KS A ISO 4871. 4.2 . 3.17 (declared dual-number noise emission value) L, K L K 1. . , KWAd A Weight , LWAd 3 B ISO 2151：2005 , KpAd A Weight , LpAd2. KS A ISO 4871 . 3.18 (work station) 1. ( 3.12 ) 1 m 2. KS A ISO 11203 . 3.19
8、 AWeight (A-weighted emission sound pressu re level at the work station) LpWSA A Weight 4. 4.1 KS A ISO 3744, KS A ISO 9614 1 KS A ISO 9614 2(2 .) . 1 pW (dB) A Weight (dB re 1 pW). . . KS A ISO 3744 ( ) , . KS A ISO 9614 1 KS A ISO 9614 2 ( 半) / , . , 2 3 A Weight . KS A ISO 3740 . 4.2 . , KS A ISO
9、 4871 . KS A ISO 3744, KS A ISO 9614 1 KS A ISO 9614 2, . . , , . . KS A ISO 4871 . . KS A ISO 4871 K . A Weight K 2 3 dB . 3 dB , K . 4.3 4.3.1 . . , . . 4.3.2 KS A ISO 3744 KS A ISO 3744 , . C D . 4 B ISO 2151：2005 , . C D , 9 10 . . KS A ISO 3744 7.2 7.4 7.3 7.4 . , E . , 1 m . KS A ISO 3744 7.3
10、. 4.3.3 KS A ISO 96141 KS A ISO 96142 KS A ISO 9614 1 , KS A ISO 9614 1 7. . KS A ISO 9614 2 , KS A ISO 9614 2 7. . KS A ISO 9614 1 KS A ISO 9614 2 8. . 1 , 1 . 4.3.4 7 m . 7 m , , . . A Weight , 1 m (access platform) 1.6 m . . , , 2 m . KS A ISO 11201(2) . KS A ISO 11201 , KS A ISO 11202(3) . . 5.
11、5.1 4.3.2 4.3.3( KS A ISO 11203 ) , 5.2 . ( 4.3.4 ) 5.3 . 5 B ISO 2151：2005 a) b) 1 7 2 8 3 9 4 10 5 11 6 1 5.2 LWA LpWSA , A Weight 1 m SWS AWeight , LpWSA . A Weight , LpWSAKS A ISO 11203 . LpWSA=LWA Q2Q2=10 lg dB0WSSS LpWSA： (dB) A Weight LWA：4. A Weight S0： 1 m2SWS：3.18 (m2) 5.3 LWA LpWSA , A Weight 4.3.4 A Weight . K . 6 B ISO 2151：2005 6. , 6.1 , . . , . . 6.2 . . , , . , , (aftercooler) , . . 6.3 , . , . . . . 7. . ( ) , 2 A . 8. . KS A ISO 4871 .
