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赶紧收藏!LED显示屏电源的接线方法与负载计算

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赶紧收藏!LED显示屏电源的接线方法与负载计算

发布日期:2016-10-09 00:00 来源:http://tejahomestay.com 点击:

LED显示屏电源线要怎么接呢?LED显示屏单元板之间的电源线是并联到一起的。一个电源一般有3组5v输出。能带10张到12张P10单元板。多个电源的话,电源输入的220并联到一起就可以了。控制卡的电源线最好从电源上直接印,不要经过单元板。

  XIAMIANJIUJIESHAOZHUYAOLIANGZHONGJIEFA:

  “T”ZIXINGJIEFA

  JIEFAJIANSHU:

  DIANYUANYIZU2.5mm2SHUCHUXIANDAIZAI4ZHANGP10MOZU,YOUSHANGZHIXIADEDI2ZHANGMOZUWEIDIANYUANSHUCHUXIANDEJIEXIANDUAN,MOZU1YUMOZU3、MOZU4CHENGBINGLIANZHUANGTAI,DIANLIUWANGSHANGXIALIANGBIANFENLIU。

  “YI”ZIXINGJIEFA

  JIEFAJIANSHU:

众鑫棋牌  DIANYUANYIZU2.5mm2SHUCHUXIANDAIZAI4ZHANGP10MOZU,DIANYUANSHUCHUXIANJIEZHIZUISHANGDUANDI1ZHANGMOZU。DIANLIUYOUSHANGZHIXIACHUANLIANGONGJI4GEMOZU。

众鑫棋牌  DANZHANGP10MOZUGONGZUOSHIZUIDADIANLIUWEI4.2A。ANZHAOTXINGJIEFADAIZAI。ZEHENGJIEMIANJI1mm2MOZUDIANYUANLIANJIEXIANDIANLIUZUIDACHUWEIMOZU2ZHIMOZU3DELIANJIEXIAN,GAILIANJIEXIANFUZEWEIMOZU3HEMOZU4GONGDIAN。ZETONGGUODIANLIUWEI4.2*2=8.4A,CHUYUHENGJIEMIANJI1mm2DAOXIANDEZHENGCHANGDAIZAIFANWEI。

  DANZHANGMOZUGONGZUOZUIDADIANLIUWEI4.2A。ANZHAO1ZIXINGJIEFADAIZAI,ZEHENGJIEMIANJIWEI1mm2DEMOZULIANJIEXIANDIANLIUZUIDACHUWEIMOZU1ZHIMOZU2DEMOZULIANJIEXIAN,GAILIANJIEXIANWEIMOZU2、MOZU3、MOZU4GONGDIAN,ZETONGGUODIANLIUWEI4.2*3=12.6A。YIJINGCHAOCHUHENGJIEMIANJI1mm2DAOXIANDEDAIZAIFANWEI,HUIDAOZHIDAOXIANFARE,JUEYUANPIRUANHUASHENZHIQIHUO。

  LED显示屏使用技术

  开关电源的负载计算

  YIGEDIANYUANKEYIDAIDUOSHAOGEBANZI?

  LEDXIANSHIPINGDIANYUANYIBANWEI5V。JIEBANZIDESHIHOUZHIYAOZHENGFUJIBUCUOJIUBUHUIYOUSHENMEWENTI,TONGSHIHAIYAOZHUYIBUYAORANGZHENGFUJIDUANLU。ZAIBANZISHANGDIANYUANZUOJIE5VHEGND,ZHUYIZHENGFUJIBUNENGJIEFAN,DIANYUANZHIQUFENVCC(5V)HEGND。

  LEDXIANSHIPINGDIANYUANGESHUJISUANFANGFA:

  (DIANYUANSHI30AHE40A;DANSESHI8KUAIDANYUANBAN1GE40ADEDIANYUAN,SHUANGSESHI6KUAIDANYUANBAN1GEDIANYUAN;RUGUOQUANCAIDEDANYUANBANJIUHAOANQUANLIANGSHIDEZUIDAGONGLVLAISUAN)

  a) YIGEDIANYUANNENGDAIJIZHANGDANYUANBANDEGESHU=DIANYUANDEDIANYA*DIANYUANDEDIANLIU/DANYUANBANDEHENGXIANGXIANGSUDIANSHU/DANYUANBANDEZONGXIANGXIANGSUDIANSHU/0.1/2 LIRU:BANHUWAIP10:5V40ADEDIANYUANKEDAI:5*40/(32*16*0.1/0.5)=7.8 QUDA8GE;

  b) GENJUPINGTIZONGGONGLVQIUCHUSUOXUDIANYUANGESHU=PINGJUNZONGGONGLV/YIGEDIANYUANDEGONGLV(DIANYUANDIANYA*DIANYUANDIANLIU) LIRU:YIGETIAOPINGDEZHANGYONG12GEP10MOZU,GAOYONG3GEP10MOZUZONGGONG:36GEMOZU NEIMESUOXUDIANYUANGESHU=32*16*0.1*36*0.5/5/40=4.6 QUDA(5GEDIANYUAN);

众鑫棋牌  c) LEDXIANSHIPINGGONGLVJISUANFANGFA: GONGLVDEGONGSHISHIP=UI;PDAIBIAOGONGLV,UDAIBIAODIANYA,IDAIBIAODIANLIU,TONGCHANGWOMENSUOYONGDEDIANYUANDIANYASHI5V,DIANYUANSHI30AHE40A;DANSESHI8KUAIDANYUANBAN1GE40ADEDIANYUAN,SHUANGSESHI6KUAIDANYUANBAN1GEDIANYUAN;HUWAIPINGDEGONGLVCANZHAOWANGZHANSHANG“CHANPINCANSHU”LI,NEIBIANDOUHENMINGQUEDE。

  XIAMIANJIANGJU1GELIZI:MOUDANWEIYAOZUO9GEPINGFANGMIDEHUNEI5.0SHUANGSEDEDIANZIPING,JISUANZUIDAXUYAODUOSHAOGONGLV。XIANYAOSUANCHU40ADEDIANYUANGESHU=9(0.244*0.488)/6=12.5=13ZHIDIANYUAN(YAOZHENGSHU,YIDAWEIBIAOZHUN)NEIMEHENJIAN DAN,ZUIDAGONGLVP=13ZHI*40A*5V=2600W。 DANDENGDEGONGLV=YIKEDENGGONGLV5V*20mA=0.1WLEDXIANSHIPINGDANYUANBANDEGONGLV=DANDENGDEGONGLV*FENBIANLV(HENGXIANGXIANGSUDIANSHU*ZONGXIANGXIANGSUDIANSHU)/2 PINGTIDEZUIDAGONGLV=PINGTIDEFENBIANLV*MEIFENBIANLVDENGSHU*0.1 PINGTIDEPINGJUNGONGLV=PINGTIDEFENBIANLV*MEIFENBIANLVDENGSHU*0.1/2,PINGTIDESHIJIGONGLV=PINGTIDEFENBIANLV*MEIFENBIANLVDENGSHU*0.1/SAOMIAOSHU(4SAO,2SAO,16SAO,8SAO,JINGTAI)。



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