lhtxh 发表于 2009-3-12 19:39:48

显示屏的耗电量怎么计算？

显示屏的耗电量怎么计算？一平方大小耗电多少？

笑问天 发表于 2009-3-12 19:51:36

可以实际测量一下{:1_106:}

lhtxh 发表于 2009-3-12 19:59:06

怎么测量啊教一下吧 老大 {:1_118:}

七彩光电 发表于 2009-3-13 23:05:35

***400;200;400,200;;** m17,51 l18,51,22,49,39,49,39,48 e|********* m30,51 l30,52,29,52,29,53,28,55,27,59,27,64,26,70,26,134 e|********* m10,133 l36,133,38,134,48,134 e|********* m80,77 l111,77 e|********* m77,100 l108,100 e|********* m152,85 l153,85,154,84,159,84,160,83,225,83,226,84,236,84,239,86,241,86,244,87,245,87 e|********* m167,104 l167,107,165,108,165,110,163,111,162,112,162,113,161,114,159,118,159,119,157,123,157,128,154,134,154,155,155,158,156,160,156,162,158,164,159,166,159,168,161,170 162,173,164,175,165,178,166,179,167,181,167,182,175,182,177,181,178,181,179,180,181,179,182,179,182,178,184,177,187,176,188,175,190,174,191,174,193,172,194,172 196,171,197,170,198,170,198,169,199,168,201,168,201,167,202,167,204,165,206,164,206,163,207,162,207,161,209,160,210,158,210,157,213,154,213,153,214,151,214,150 215,150,215,148,216,147,216,145,217,143,218,142,218,101 e|********* m217,102 l217,180 e|********* m178,12 l178,62,179,63,179,67,180,68,180,66,179,66,179,64,178,62,178,36,179,36,179,34,181,32,181,31,183,29,183,28,184,28,184,27,186,25,186,24,187,23 187,22,188,22,188,21,189,21,189,20,194,20,195,19,199,19,200,18,203,18 e

五秒注册 发表于 2009-3-19 10:30:24

测量功率用功率表，或功率计

232724661 发表于 2009-3-24 14:09:46

怎么测量啊教一下吧

baolinled 发表于 2009-4-5 12:53:29

大体上就是数数led的个数就行啊比如是200个led那么功耗就是200*15ma=3A每个了点是2伏电压 那就3*2=6w   实际的耗电量要比这个要高一点因为各个原件和线路都有损耗多以如果是200led的话就应该是10w左右    不知道说的对否{:1_147:}

cdc8023 发表于 2009-5-3 22:47:23

莱鸟学习……请大家多少指点指点

shentian169 发表于 2011-3-5 19:27:34

全是笨蛋，功率=电压X电流

刘正江 发表于 2011-3-20 20:52:30

学习一下。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

zhonghao0301 发表于 2011-3-29 18:49:02

学习一下。。。。。。。。。。。。。。
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