1、 , ISO 7188:1994Acoustics Measurement of noise emitted by passenger cars under conditionsrepresentative of urban driving(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)313332006( 7188:1994)12006/444, - 1.092 . - 1.297 . , . , , -, 1 - - , - 42 3 , (- 29 24 2006 .) :
2、 ( 3166) 00497 ( 3166) 00497 AZBYKGMDRUTJUA -C - 4 7188:1994 . , - (ISO 7188:1994 Acoustics Measurement of noise emitted bypassenger cars under representative of urban driving) , - 5 28 2006 . 277- 313332006 ( 7188:1994) 1 2007 .6 ()-., -. , 2007 -, II 313332006 1.52001, . - . - 1176:1990, 1585:1992
3、, 3833:1977, 10844:1994. 7188:1994 , , :- 5.1 : 651. , - . , -;- 6.1 9 10844:1994 , . - , ;-1,3.2,4.1,6.1,7.4 .III 313332006 , Noise of machines.Measurement of noise emitted by passenger cars under conditions representative of urban driving1 ( ) . . , . , 5 % , - . - LAeq,T( 31296.1) . , 1 % . , . :
4、- 1),- ,- . . - , , , .2 : 1718781 . ( 61672-1:2002 . . 1. , NEQ) 31296.12005 . , ( 1996-1:2003 . , . 1. - , MOD)1) 362:1998.1 313332006( 7188:1994) 20070401 - , 1 , , . (), (-) . , , , , .3 .3.1 (automatic downshift): - ( ), (,).3.2 (external downshift): ( ), . , , ( ) - , . ,(kick-down).4 4.1 . :a
5、) ( );b) . , , 8 . , - , .4.2 - . .5 5.1 ( ) 1- 17187. F . , -(,), . -, 1 . , - . , 0,5 .5.2 , - , 3 %.2 3133320066 , 6.1 . . . 8 %. , -, , 10 %. 0,10. () 0,4 . , . 4 10844:1994 . . , ( 1), (6 c177 1) . , :a) 50 , , , ;b) - (- );c) , , ;d) , , , .6.2 . 5 /.6.3 , , , , 10 .7 7.1 (. 2) (7,5 c177 0,1) . (1,20 c177 0,05) . , - , - , .3 313332006 1 7.2 .7.3 ( 2). -, . , - , , 2 . .7.4 ( ) , , . , - . - . , , () . .7.5 7.5.1 , , 7.5.2.17.5.2.3. , , , , - , - ( , ),- , . - . , , 7.5.2. , , .4 3133320061 2 (,-),. , , .7.5.2 7.5.2.1
