1、 10302-2 2014 (, 1- ) 2 ISO 10302-2:2011 Acoustics Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices Part 2: Structure-borne vibration measurements (IDT) C 10302-22014 II 1 - - ( ) - , 4 2 183 , - 3 - 24 2014 . 1421-. 4 10302-2:2011 . , -. 2. (IS
2、O 10302-2:2011 Acoustics Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices Part 2: Structure-borne vibration measurements). - - , 5 1.02012 ( 8). ( 1 ) , - . () - - . , (gost.ru) , 2015 , - C 10302-22014 1 2 Small air-moving devices for informati
3、on technology and telecommunication equipment. Noise and vibration test codes. Part 2. Structure-born vibration measurements 20151201 1 - () , - ( ), - 0,480,90 10302-1 0,180,30 10302-1. , / 10302-1. , - . , - , . - . 2 : 266 . (ISO 266, Acoustics Preferred frequencies) 5348 . (ISO 5348, Mechanical
4、vi-bration and shock Mechanical mounting of accelerometers) 10302-1 . , -. 2. (ISO 10302-1:2011, Acoustics Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices Part 1: Airborne noise measurement) 16063-11 . 11. (ISO 16063-11, Methods for the calibra
5、tion of vibration and shock transducers Part 11: Primary vibration calibration by laser interferometry) 16063-21 . 21. (ISO 16063-11, Methods for the calibration of vibration and shock transducers Part 21: Vibration calibration by comparison to a reference transducer) 61260:1995 . (IEC 61260:1995, E
6、lectroacoustics Octave-band and fractional-octave-band filters) / 98-3, . 3. (GUM) ISO/IEC Guide 98-3, Uncertainty in measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) C 10302-22014 2 3 10302-1, . 3.1 aL (vibratory acceleration level): a - 0a (0a = 1 /2), (), 202lg
7、10aaLa. (1) 1 (, ). 2 . 3.2 (frequency range of interest): , 266 () 25 5000 . 3.3 (information technology and telecommunications equipment): , , - , . ISO 7779:2010, 3.1.3 4 , , - ( ) - (. 3.2). 10302-1 25 80 . , , - . , - , -, . , . , , - (. 7, 11). : ) ; b) ; ) . , - , , - . 5 , , - , / 98-3. , .
8、- D. , , / 98-3, - 0R , 1, -. C 10302-22014 3 1 0R - 0r , - , 0R , 0r , 25 5,0 2,0 31 63 5,0 1,0 80 160 3,0 1,0 200 5000 2,0 1,0 ( - 25 5000 ) 1,0 0,5 1 ( ) - 0,0016 0,137 3/, - ( ) 2 (. 7, 11). 2 , , . . 3 - , . , -, k = 2 , 95 %. . 6 6.1 6.1.1 10302-1 , - 10302-1 , - 6.2. 6.1.2 , max,Vq , 3/, VVqq
9、VV00,max, , (2) 0,Vq - , 3/, 0,Vq = 1 /3; 0V , 3, 0V = 1,3 3; V , , 3. 6.1.3 , , - 750 . 6.1.4 (, ) 10302-1 - . 6.2 , , -. 1 /( ) (. . ) 1 2, , 25 5000 45 - 8 25 100 , 4 100 200 , 2 200 C 10302-22014 4 5000 . 17. 1) , . 6.3 - 0,480,90 . , - 0,06 , 0,15 ( , - , 0,180,30 ). 7 7.1 , . , - , . 7.2 , 6.2. - , . 3,5 (6-32 UNC) 0,34 . - , , . . 7.3 - . - , /
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