LED普通灯箱功率怎么算?

LED普通灯箱功率怎么算?大家的销售手段有那些?在家等吗?有什么高招啊指点一二了?

一个灯按照0.04瓦算吧。

P （红黄灯）=UI
                  =2.0*0.02
                  =0.04
[whitepad]***400;200;400,200;;** m31,19 l29,23,29,66,28,66,28,70 e|********* m30,21 l39,21,41,22,41,23,42,23,43,24,44,24,46,25,46,30,47,31,47,40,46,41,46,42,45,43,44,43,42,44,41,44,39,46,39,47,38,48,32,48 32,49,30,49 e|*******red;* m44,53 l42,53,39,54,39,55,38,55,38,56,37,56,37,57,44,57,47,58,50,58,48,60,48,61,47,62,46,62,45,63,48,63 e|********* m42,72 l44,70,45,70,45,69,46,68,48,68,48,67 e|********* m53,52 l63,52 e|********* m60,52 l60,53,58,55,58,68 e|********* m54,72 l68,72 e|*******black;* m83,32 l87,32,90,33,91,33,94,34,96,36,98,36 e|********* m85,54 l101,54 e|********* m112,27 l112,28,113,30,113,63,114,65,114,66 e|********* m115,26 l118,26,119,25,130,25,130,26,132,27,132,31,133,31,133,41,128,41,128,42,121,42,120,43,114,43 e|*******yellow;* m129,56 l144,56 e|*******#f90;* m128,55 l151,55 e|********* m134,47 l133,47,133,53,134,56,135,56,135,61 e|********* m144,48 l142,50,142,51,140,53,140,55,139,56,139,58,138,58 e|********* m127,64 l147,64 e|********* m138,67 l133,67,133,73,141,73,140,72,139,72,139,71,138,71,138,70,137,70,137,69 e|********* m139,66 l143,66,144,67,144,69,143,69,142,70,139,70 e|********* m138,64 l138,72 e|********* m132,72 l132,78 e|********* m145,73 l144,73,144,78,146,78 e|*******black;* m165,37 l185,37 e|********* m165,48 l182,48 e|********* m209,32 l209,36,211,40,212,44,212,46,215,49,215,56,222,56,223,55,224,55,225,54,225,51,229,47,230,45,230,48,231,46,231,42,230,41,230,40,229,39,229,37 228,37,228,30,227,29,227,25 e|********* m232,46 l232,49,233,51,233,52,234,53,234,56 e|********* m253,26 l274,26 e|********* m264,29 l265,29,265,32,266,34,266,47 e|********* m258,51 l281,51 e|********* m171,69 l186,69 e|********* m169,84 l182,84 e|********* m204,75 l204,81,213,81,214,80,217,80,217,84,212,84,211,85,202,85,201,86,201,88,217,88,220,91,223,92,225,93,226,93 e|********* m228,75 l226,77,226,79,224,81,223,81,223,82,222,83,222,84,221,85,221,83 e|********* m229,79 l229,94 e|********* m232,85 l248,85 e|********* m239,77 l239,83,237,85,237,89,236,90,236,92,235,92,235,95 e|********* m238,86 l245,86,245,87,246,88,246,94,248,95,248,93 e|********* m244,72 l247,72 e|********* m295,76 l292,76,291,77,287,79,284,81,282,83,280,83,279,84,276,84,274,86,274,88,273,89,273,92 e|********* m269,73 l270,73,272,75,275,76,275,77,276,79,277,79,277,80,279,82,279,83,280,85,281,86,282,88,283,88,283,95,282,96,282,94 e|********* m301,80 l302,80,302,92,306,92,307,91,309,91,310,90,311,90,312,89,312,81,310,81,310,80,308,80,308,79,306,79 e|********* m320,94 l321,94,321,100 e|********* m330,83 l330,90,335,90,337,88,337,79,332,79 e|********* m345,80 l346,79,349,79,350,80,352,80,352,88,350,88,350,89,347,90,347,92,346,93,356,93 e|********* m370,61 l373,61,375,62,376,65,379,65,380,66,380,68,381,68 e|********* m362,68 l361,68,361,73,362,77,363,79,363,83 e|********* m370,74 l384,74,384,73,383,73,383,74,381,76,380,78,378,80,378,81,377,82,376,82 e|********* m369,82 l369,99,371,100,374,101,377,101,380,102 e|********* m374,87 l374,97,369,97,369,98,363,98 e|********* m364,86 l364,87,366,87,368,88,386,88 e|********* m172,100 l175,100,177,101,188,101 e|********* m175,112 l183,112,184,111,185,111 e|********* m209,111 l205,111,205,112,204,112,203,113,203,119,205,119,206,120,215,120,215,111,213,109,212,109 e|********* m218,120 l218,122 e|********* m228,112 l226,112,224,114,224,119,233,119,234,118,233,117,233,116,230,113,228,113,228,112 e|********* m242,109 l242,117,241,117,241,119,245,119,253,121,263,121 e|********* m250,107 l250,126 e|********* m280,109 l280,115,281,117,281,118,283,122,284,123,284,125,287,128,287,129,289,127,291,126,292,125,294,124,295,123,295,121,297,117,298,114,298,112,299,110,300,110,301,107 301,118,302,121,303,123,303,125,315,125,315,106 e[/whitepad]

个人认为 在灯箱的功率计算中 每一串灯的电压是220V 每一串的电流是0.02A  所以每一串的功率P=UI=220*0.02=0.44W
灯箱的总功率P=P1+P2+P3+P4+....也就是0.44W*灯串的数量



仅供参考  欢迎指正