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GB/T 20149-2006道路交通信号灯　200　mm圆形信号灯的光度特性.pdf

发布：2019-01-02约9千字共12页下载文档
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GB/T 20149—2006/CIE S 006.1/E:1999 2006-03-06 2006-11-01 CIE S 006.1/E:1999 200 mm () CIE S 006.1/E:1999 : a) “”“” b) “.”“” c) CIE S 006.1/E:1999 .A (SAC/TC224) :() : GB/T 20149—2006 200mm Road traffic lights—Photometric properties of 200mm roundel signals (CIE S 006.1/E:1999,IDT) 1 200 mm 2 () CIE 17.4:1987 ILV(IEC/CIE ) CIE 18.2:1983 CIE 38:1977 CIE 48:1980 CIE 79:1988 CIE 107:1994 CIE CIE DS004.4:1998 3 CIE 17.4:1987 : 3.1 geometric axis 3.2 optical axis 3.3 reference axis 4 4.1 200 mm 200 cd 50cd 200cd100cd 4.1.1 : a) 10°5° 50% b) 20°10° 12.5% c) 4.1.2 10:15:1 5:1 25 mm 13 40mm 80mm 45° 56.6 mm (1)5 80%25mm () : 4.2 10000 1x 10°( ) 15:1 () A CIE 48:1980 4.3 ()0.16 4.4 CIE DS 004.4:1998 A1 A 5 CIEl8.2:1983 CIE 38:1977 CIE A () () A.1 1 21 2 () 3
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