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如何提高LED舞台照明灯具的光色性能

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如何提高LED舞台照明灯具的光色性能

发布日期:2019-03-21 00:00 来源:http://weimeiled.com 点击:

内蒙古快3CHUANTONGDEWUTAIDENGJUZHUYAOSHIYONGDESHILUWUDENG、XIANDENGDENG。YILUWUDENGWEILI,QIZUOWEIWUTAIZHAOMINGGUANGYUANDETEDIANZAIYUREFUSHEGUANGYUANDEGUANGPULIANXUXING,XIANSEZHISHUFANWEIWEI95~100,JIEJINLIXIANGGUANGYUAN。

  DANGXUYAOJINXINGSEWENHUOGUANGSEDEZHUANHUANSHI,ZEXUYAOZAIGUANGYUANQIANMIANPEIZHILVGUANGPIAN,LVGUANGPIANDUIGUANGJUYOUXUANZEXINGXISHOUDETEXING,PEIZHIBUTONGSEPINDELVGUANGPIANJIUKEYIDEDAOXINDEGUANGSE。

内蒙古快3  SUIRANLUWUDENGJUKEYIDADAOLINGRENMANYIDEXIANSEXIAOGUO,MANZUYISHUCHUANGZUODESECAIXUQIU,QIBUZUZHICHUYESHIXIANERYIJIANDE。ZAILUWUDENGDEFAGUANGGUOCHENGZHONGFAGUANGXIAOLVDIXIA,DABUFENDEDIANNENGHUIYIREFUSHEDEXINGSHISANSHI,ZHEIHUIDAOZHIDENGTIWENDUDAFUSHENGGAO,YINGYONGGUOCHENGZHONGCUNZAIANQUANYINHUAN。

  目前,国内外的灯具制造企业均直接将白光光源用于舞台照明,白光LED国际通用的是蓝光激发荧光粉的发光模式,其显色性、光谱以及视觉效果同卤钨灯的光色指标存在明显差异。

  JINGUANYOUDELEDWUTAIJUGUANGDENGDEYIBANXIANSEZHISHUKEYIGAODA90YISHANG,DANYOUYUQIPINPUZHONGDELANGUANGCHENGFENGAO,HONGSEPIANDI,DAOZHIZAISHIYONGGUOCHENGZHONGMINGXIANGANDAOSECAIHAIYUAN、GUANGSEXIAOGUO、YISHUBIAOXIANLIDENGFANGMIANWUFADADAOWUMEIDENGGUANGRENYUANDEYAOQIU,ZHEIYESHIMUQIANYANYIXINGYEGONGRENDELEDWUTAIDENGJUZAIJIBENGUANGZHAOMINGFANGMIANCUNZAIYANZHONGQUEHAN。

内蒙古快3  BENWENTICHUYIZHONGLIYONGRGBWSISEGUANGYUANHUNGUANGJISHUGAIJINLEDWUTAIJIBENGUANGZHAOMINGDENGJUDEGUANGSEXINGNENGDEFANGFA。

  1、LED光源的性能特点

  MUQIANJIAOWEICHENGSHUDEBAIGUANGLEDDESHIXIANJISHUSHILANGUANGLED+HUANGSEYAGYINGGUANGFENDEFANGSHI,YINGGUANGFENBEIJIFAHOUCHANSHENGDEHUANGGUANGYUYUANXIANYONGYUJIFADELANGUANGHUBUERCHANSHENGBAIGUANG,JIEGOUSHIYITURUTU1SUOSHI。

1

内蒙古快3TU1 BAIGUANGLEDGUANGYUANJIEGOUSHIYITU

  QIZHONGLEDDEJIBENJIEGOUSHIYIKUAIDIANZHIFAGUANGDEBANDAOTICAILIAO,QIFACHUDEGUANGPUQUJUEYUXUANYONGDEBANDAOTICAILIAOTEXING。GUANGYUANDESEWENYOULEDDEGUANGPUHEYINGGUANGFENGONGTONGJUEDING。

  YINCI,ZAITONGGUODIANLIUDIAOZHIDUIBAIGUANGLEDGUANGYUANDIAOGUANGDEGUOCHENGZHONGBINGBUHUIDAOZHISEWENDEMINGXIANBIANHUA。BAIGUANGLEDDEZHEIZHONGTEXINGZAIDUISEWENWENDINGXINGYAOQIUJIAOGAODECHANGHELIRUYINGSHIPAISHEXIANCHANGSHOUDAOLEJIDAHUANYING。

  ZAIGENGZHUZHONGWUTAIYISHUBIAOXIANLIDECHANGHEXIA,ZHANGQIYILAIWUMEIDENGGUANGRENYUANSHIYONGDEDENGJUJUNWEILUWUDENGJU,QITEDIANSHIDANGWUTAIDENGGUANGJINXINGJIANMINGJIANANDIAOGUANGSHI,GUANGYUANDEGUANGSEHESEWENHUICHANSHENGXIANGYINGDEBIANHUA,SHUOMINGQIGUANGPUFUSHEXIANGDUINENGLIANGFENBUDOUFASHENGLEGAIBIAN。

  LIRU,LUWUDENGCONGEDINGDIANYAZHIXIADIAOGUANGSHI,GUANGCANSHUDEBIANHUAGUILVSHI:GUANGLIANGDUHESEWENZHUJIANJIANGDI,GUANGSEJIANJIANXIANGHONGSEFANGXIANGBIANHUA,FANZHI,DANGGONGZUODIANYATUISHENGSHI,GUANGLIANGDUHESEWENDOUHUITIGAO,GUANGSECONGHONGSEXIANGHUANGBAISEJIANBIAN。RUTONGWOMENMEITIANTAIYANGSHENGQISHI,DONGFANGDETIANBIANCHUXIANJUHONGSEDETAIYANG,ERZAIZHONGWU,YANGGUANGBIANCHENGYIGEBAISEDEYUANPAN。

  ZAIWUTAIDENGGUANGDEYINGYONGGUOCHENGZHONG,ZHEIZHONGSHIYONGFANGSHIHEXIGUANHENRONGYIBIAOXIANSHENGHUOCHANGJINGHEQINGXU,JINERMANZUDENGGUANGSHIHEGUANZHONGDEXINLIHESHENGLIXUQIU。ZHEIZHONGXUQIUDUIBAIGUANGLEDGUANGYUANDEGUANGSEXINGNENGTICHULETIAOZHAN。

2、舞台照明灯具光色性能改进的方法

内蒙古快3  ZHENDUIBAIGUANGLEDGUANGYUANZHAOMINGJISHUDETEDIANHEBUZU,JINGGUOYANJIUTICHULEYIRGBWHUNSEGUANGYUANWEIJICHU,FUYIJIYUPWMDEHUNSESUANFAKONGZHIXITONG、SANRESHEJIHEERCIPEIGUANGSHEJI,SHILEDJIBENGUANGZHAOMINGDENGJUDEXINGNENGDADAOWUMEIDENGGUANGRENYUANDEYAOQIU。

  LED光源的选择

  DUIYUDUOKERGBWHUNSEJISHUDEGUANGSEJUNYUNXINGLAISHUO,DANCHUNDEGUANGXUEZUHEWUFAMANZUGUANGSEJUNYUN。XUYAOZAIGUANGXUEJISHUSHANGYOUSUOTUPO。

  WEILEGAIJINDENGJUXINGNENG,CONGXINGNENGHECHENGBENFANGMIANDUIBILESHICHANGSHANGDERGBWGUANGYUANMOZU,ZUIZHONGQUEDINGSHIYONGYIZHONGTEZHIDEGUANGYUAN,RUTU2SUOSHI。

内蒙古快3  GUANGYUANZHONGDEW(BAIGUANG)BUFENXUANZESEWEN3000KYIBANXIANSEZHISHURa≥85,JIANGZONGGONGLVJIEJIN300WDERGBWDUOZHONGYANSELEDGUANGYUANJUNYUNFENBUZAIBUDAO20mmDEYUANXINGMIANJINEI,JIEJUELEGUANGYUANWENTI,WEIZHIHOUDEGUANGSEXINGNENGGAIJINDAXIAJICHU。

2

TU2 DINGZHIDEJICHENGGUANGYUANPINGMIANSHIYITU

  散热和二次配光设计

  “REGUANGSHUAI”SHILEDQIJIANDETEDIANZHIYI,DANGWENDUSHANGSHENGCHAOGUOYIDINGSHUZHISHI,QIGUANGXIAOJIJUXIAJIANGHUOYANZHONGSHIDAOZHIZHENGGELEDTIQIANSHIXIAO。YINCILIANGHAODESANRESHEJISHIBAOZHENGDAGONGLVLEDDENGJUXINGNENGHESHOUMINGDEBIYAOTIAOJIAN。

内蒙古快3  ZAISHIJIYINGYONGZHONG,YINGCAIYONGLEYIREGUANJISHUWEIJICHUDESANRESHEJI,REGUANJISHUNENGSHIRELIANGXUNSUCHUANDIDAOLVCHIPIANSANREQISHANG,PEIHEJINGYINZHOUFENGSHANJIANGLEDGONGZUOZHONGCHANSHENGDERENENGXUNSUDEPAICHU。

  由于大功率的光输出多为朗伯分布,50%光强角度为120度,不能满足舞台专业灯具的配光要求。

内蒙古快3  WUTAIGONGNENGDENGJUYAOQIUDUIPEIGUANGJINXINGKONGZHI,BUTONGDEDENGJUDUIGUANGSHUJIAOYOUBUTONGDEYAOQIU,YINCIXUYAODUILEDJINXINGERCIGUANGXUESHEJI。ZHUYAOXUYAOLIYONGGUANGXUEYUANJIANGAOXIAODIGAIBIANLEDDEGUANGQIANGFENBU,SHIZHIDADAODENGJUDESHEJIYAOQIU。

  DUIYUYUANJULISHIYONGDEJUGUANGDENG,YAOQIU10%GUANGQIANGJIAODUXIAOZHI10DUZUOYOU。

  LIRUDAZHONGXINGJUCHANGSHIYONGDEMIANGUANGDENG,ZHAOSHEJULIYIBANZAI30MIYISHANG,TONGCHANGXUANYONGJUGUANGXINGNENGFEICHANGHAODEZHANGJIAOPINGTUTOUJINGJUGUANGDENG,ZHEIYANGJIKEYIHENHAODEJUGUANG,YOUNENGSHIZASANGUANGDEDAOYOUXIAOKONGZHI。

 基于PWM和RGBW混色算法的控制

  在舞台应用中,对灯具色温的稳定性要求很高,因此根据光源的基本电气特性,应采用精确高效的恒流驱动方式,使光输出稳定可靠。

  DIAOGUANGFANGSHIYINGCAIYONGPWM(MAIKUANDIAOZHI)DEFANGSHI,BAOZHENGZAILEDDIAOGUANGSHIDESEWEN(BAISE)HUOBOZHANG(CAISE)BUZHIFASHENGBIANHUA。

内蒙古快3  LEDDENGJUYULUWUDENGJUDIAOGUANGGUOCHENGSEWENBIANHUADUIBIRUTU3SUOSHI,KEYIKANCHULEDDENGJUZAIDIAOGUANGGUOCHENGZHONGSEWENSHIBUBIANDE。

3

内蒙古快3TU3 LUWUDENGJILEDGUANGYUANSEWENSUIWENDUBIANHUAQUXIAN

  HUNSESUANFASHIKONGZHIGUANGYUANDIAOGUANGHUNSE,SHUCHUFUHEYAOQIUDESEGUANGDEGUANJIANHUANJIE。

  GENJUPWMDIAOGUANGDEJIBENYUANLI,GAIBIANHONGGUANG、LVGUANG、LANGUANGHEBAIGUANGLEDQUDONGDIANLIUDEZHANKONGBI,KEYIGAIBIANGEZISEGUANGDEQIANGDU,TONGGUOBUTONGZHANKONGBIDEZUHE,JIUKEYIDEDAOBUTONGHUNHEBILIDEGUANGSE。

  GENJUSEDUXUEJISUAN,RUOCAIYONGQUEDINGDERGBSANZHONGLEDGUANGPUHUNCHU2300K~3200KFANWEIMOUGESEWENDEBAIGUANG,ZHIHUIYOUWEIYIDEHUNSEBILI。

  DANZHILIYONGRGBSANZHONGYANSEHUNSE,HUNCHUDEGUANGPUSHIBULIANXUDE,YOUHENDUOKEJIANGUANGBODUANGUANGPUNENGLIANGWEI0,XIANSEXINGHUIHENCHA。ERCAIYONGRGBWSIZHONGYANSEHUNCHUMOUGESEWENDIANDEBAIGUANG,HUNSEBILIHUIYOUWUQIONGDUOZHONG,MEIZHONGBILIDUIYINGYIZHONGTONGSEYIPUGUANG。

内蒙古快3  DUIYUZHAOMINGDENGJULAISHUO,YOUYUXIANSEZHISHUSHIFEICHANGZHONGYAODEYIGEZHIBIAO,XIANSEZHISHUBUHEGEHUIDAOZHIBEIZHAOMINGDEWUTIYANSECHUXIANMINGXIANCHAYI,WUFASHIYONG。YINCI,XUYAOCONGZHONGDUOHUNSEBILIZHONGSHAIXUANCHUXIANSEZHISHUZUIJIADEYIZUBILILAISHIYONG。

  RUTU4SUOSHISHILIYONGRGBW(QIZHONGWGUANGYUANSEWEN3200K,Ra=90)SIZHONGLEDGUANGYUANJINXINGHUNSESHIXIANDE3200KBAIGUANGGUANGPU。

4

TU4 RGBWHUNSEGUANGPU(SEWEN3200K)

  TU4ZHONGGUANGPUYIBANXIANSEZHISHUWEIRa=95.0708,QIZHONGTESHUXIANSEZHISHUR1DAOR15FENBIEWEI:99.5533 ,95.7185,85.2074,93.8084,97.6345,93.3711,94.3570,95.9162,99.4148,88.1205,92.9515,79.5729,98.4708,92.9175,99.4494,WANQUANMANZUWUTAIYINGSHIDENGJUZHAOMINGXUQIU。

拟合黑体轨迹光源的调节效果

  HEITIGUIJIYOUCHENGPULANGKEGUIJI,DINGYIWEILIXIANGHEITIZAIJIAREGUOCHENGZHONGSUIWENDUSHENGGAOFACHUDEGUANGSEZAISEPINZUOBIAOXIAXINGCHENGDEGUIJIXIAN。

  YOUYULUWUDENGSHIREFUSHEGUANGYUAN,FAGUANGYUANLIYULIXIANGHEITIXIANGTONG,YINCIQISEWENBIANHUASHIGUANGSEGUIJISHIFENJIEJINHEITIGUIJI。

  WEILEMONILUWUDENGGUANGYUANDESEWENDIAOJIEXIAOGUO,JISUANCHUSEPINTUZHONGHEITIGUIJISHANGSEWENFANWEI2300K~3200KDESEPINZUOBIAO,ZAIXIANSEZHISHUZUIDADEYUESHUTIAOJIANXIAJISUANCHUGESEPINZUOBIAODUIYINGDERGBWHUNSEBILIHEZHANKONGBI,ZUIZHONGKONGZHIGUANGYUANFACHUXIANGYINGSEWENDEBAIGUANG。

内蒙古快3  CESHIBIAOMINGLEDGUANGYUANFACHUDEBAIGUANG,ZAISEWEN2300KZHI3200KZHIJIANGUANGSEDADAOLENIHEHEITIQUXIANDEXIAOGUO,BINGQIEZAISEWEN2800K~3200KKEYIHUODELIXIANGDEYIBANXIANSEZHISHU(Ra>85)。

内蒙古快3  BUFENCESHISHUJURUBIAO1SUOSHI,CESHISHUJUZAISEPINZUOBIAOZHONGDEWEIZHIRUTU5SUOSHI。

5

6

TU5 CESHISHUJUZAISEDUZUOBIAOZHONGDEWEIZHI

  3、结论

  选用特殊排布的RGBW四色光源,散热和二次配光设计,以及设计了基于PWM和RGBW混色算法的控制系统。

  SHICEJIEGUOBIAOMING,DENGJUJUBEILENIHEHEITIQUXIANDEBAIGUANGLIANXUSEWENDIAOJIENENGLI,DADAOLETIDAILUWUDENGJUDESHUIPING,ZAISHIJIYINGYONGZHONGNENGGOUWEIYANCHUXINGYETIGONGJUYOULIANGHAOGUANGSEZHILIANGDEXINXINGLEDDENGJU。

 

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