瀛︿範蹇呭
娆㈣繋涓嬭浇
鍚?/p>
璇?/p>
鏈?/p>
璇?/p>
鍏夊害
鍏夐�氶噺
(luminous flux )
鍗曚綅锛氭祦鏄庯紙
lm
锛?/p>
鍏?/p>
婧愬湪鍗曚綅鏃堕棿鍐呭彂鍑虹殑鍏夐噺鎬诲拰绉颁负鍏夋簮鐨勫厜閫氶噺銆?/p>
渚嬪锛?/p>
涓�鍙?/p>
40W
鐨勬櫘閫氱櫧
鐐?/p>
鐏殑鍏夐�氶噺涓?/p>
350 ~ 470lm
锛?/p>
鑰屼竴鍙?/p>
40W
鐨勬櫘閫氱洿绠″瀷鑽у厜鐏厜閫氶噺涓?/p>
2800lm
宸﹀彸锛屼负鐧?/p>
鐐?/p>
鐏殑
6 ~ 8
鍊嶃�?/p>
鍏夊己锛?/p>
luminous intensity
锛?/p>
鍗曚綅锛氬潕寰锋媺锛?/p>
cd
锛?/p>
鍏夋簮鍦ㄦ煇涓�缁欏畾鏂瑰悜鐨勫崟浣嶇珛浣撹鍐呭彂灏勭殑鍏夐�氶噺绉颁负鍏夋簮鍦ㄨ鏂瑰悜鐨勫彂鍏夊己搴︼紝绠�绉板厜寮恒�?/p>
1cd = 1lm路
sr -1
鍗?/p>
1
鍗曚綅绔嬩綋瑙掑唴鍙戝皠
1
娴佹槑鐨勫厜锛屽厜寮轰负
1
鍧庡痉鎷夈�?/p>
sr
涓虹悆闈㈠害鏄珛浣撹鐨勫崟浣嶃�傜珛浣撹鐨勬渶澶ф暟鍊?/p>
涓?/p>
4蟺
鐞冮潰搴︺�備緥濡傦紝濡傛灉涓�鍙?/p>
40W
鏅�氱櫧
鐐?/p>
鐏殑鍏夐�氶噺涓?/p>
350lm
锛屽垯瀹冪殑骞冲潎鍏夊己涓猴細
350lm/4蟺sr = 28cd
鐓у害
(illuminance)
鍗曚綅锛氬嫆鍏嬫柉锛?/p>
lx
锛?/p>
鐓у害鏄厜婧愮収灏勫湪琚収鐗╀綋鍗曚綅闈㈢Н涓婄殑鍏夐�氶噺銆?/p>
1lx = 1lm路
m -2
鍗?/p>
1
娴佹槑鐨勫厜閫氶噺骞冲潎鍒嗗竷鍦?/p>
1
骞虫柟绫崇殑闈㈢Н涓婏紝
鍏剁収搴︿负
1
鍕掑厠鏂�?/p>
鍦ㄨ鏈?/p>
40W
鏅�氱櫧
鐐?/p>
鐏殑涔﹀啓
鍙扮伅涓嬬湅涔︼紝妗岄潰涓婄殑鐓у害骞冲潎涓?/p>
200 ~ 300lx
浜害锛?/p>
luminance
锛?/p>
鍗曚綅锛?/p>
cd/m 2,
锛?/p>
灏?/p>
鐗癸紙
nt
锛夋槸鏃х殑鍗曚綅鍚嶇О锛岀幇寰堝皯閲囩敤銆?/p>
鍏夋簮鍦ㄦ煇涓�鏂瑰悜鐨勪寒搴︽槸鍏夋簮鍦ㄨ鏂瑰悜涓婄殑鍗曚綅鎶曞奖闈腑鍗曚綅绔嬩綋瑙掑唴鍙戝皠鐨勫厜閫氶噺銆?/p>
1nt =1cd路
m -2
鍗虫瘡骞虫柟绫冲厜寮轰负
1
鍧庡痉鎷夛紝鍏朵寒搴︿负
1
灏肩壒
澶槼鐨勪寒搴︿负
2脳
10 9 cd/m 2
鐧?/p>
鐐?/p>
鐏殑浜害绾︿负锛?/p>
3 ~ 5
锛?/p>
脳
10 6 cd/m 2
鏅�氳崸鍏夌伅鐨勪寒搴﹀彧鏈?/p>
6 ~ 8脳
10 3 cd/m 2
鍙戝厜鏁堢巼锛?/p>
luminous efficacy of light source
锛?/p>
鍗曚綅锛氭祦鏄?/p>
/
鐡︼紙
lm/W
锛?/p>
鍏夋簮鎵�鍙戝嚭鐨勬�诲厜閫氶噺涓庤鍏夋簮鎵�娑堣�楃殑鐢靛姛鐜囷紙鐡︼級鐨勬瘮鍊硷紝绉颁负璇ュ厜婧愮殑鍏夋晥銆?/p>