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您现在所在位置:澳门皇冠体育»锦联资讯»常见问答-浅谈LED照明电源设计的核心难题常见问答

浅谈LED照明电源设计的核心难题

来源:  发布时间:2018-09-04   点击量:2041

QIANTANLEDZHAOMINGDIANYUANSHEJIDEHEXINNANTI

ZAILEDZHAOMINGDIANYUANSHEJIZHONG,CUNZAIYIXIAJIGESHEJINANTI:DIANJIEDIANRONGSHOUMINGYULEDBUXIANGPIPEI、LEDDENGSHANSHUODECHANGJIANYUANYINYUCHULIBANFA、PWM DIAOGUANGDUILEDDESHOUMINGYOUHEYINGXIANG、LIYONGTRIACDIAOGUANGDIAOKONGLEDLIANGDUDEQIANZAIWENTI。WENZHONGZHENDUIZHEIXIEWENTIDEFASHENGYUANYINHEJIEJUEFANGFAZHANKAILUNSHU。

浅谈LED照明电源设计的核心难题

DIANJIEDIANRONGSHOUMINGYULEDBUXIANGPIPEIDEWENTI

LEDZHAOMINGDEYIGEZHONGYAODEKAOLVYINSU,JIUSHILEDQUDONGDIANLUYULEDBENSHENDEGONGZUOSHOUMINGYINGGAINENGGOUXIANGTIBINGLUN。SUIRANYINGXIANGQUDONGDIANLUKEKAOXINGDEYINSUYOUHENDUO,DANQIZHONGDIANJIEDIANRONGDUIZONGTIKEKAOXINGYOUZHIGUANZHONGYAODEYINGXIANG。WEILEYANZHANGXITONGGONGZUOSHOUMING,XUYAOYOUZHENDUIXINGDIFENXIYINGYONGZHONGDEDIANRONG,BINGXUANZEQIADANGDEDIANJIEDIANRONG。


SHIJISHANG,LVDIANJIEDIANRONGDEYOUXIAOGONGZUOSHOUMINGZAIHENDACHENGDUSHANGSHOUHUANJINGWENDUJIYOUZUOYONGZAINEIBUZUKANGSHANGDEWENBODIANLIUDAOZHIDENEIBUWENSHENGYINGXIANG。DIANJIEDIANRONGZHIZAOSHANGTIGONGDEDIANJIEDIANRONGEDINGSHOUMINGSHIGENJUBAOLUZAIZUIGAOEDINGWENDUHUANJINGJISHIJIAZUIDAEDINGWENBODIANLIUTIAOJIANXIADECHUDE。ZAI105°CSHIDIANXINGDIANRONGEDINGSHOUMINGKENENGSHI5,000XIAOSHI,DIANRONGSUOSHIJIZAOSHOUDEGONGZUOYINGLIXIANGBIEDINGDIANPINGYUEDI,YOUXIAOGONGZUOSHOUMINGYEJIUYUEZHANG。YINCI,YIFANGMIAN,XUANZEEDINGGONGZUOSHOUMINGZHANGJINENGGOUCHENGSHOUGAOEDINGGONGZUOWENDUDEDIANJIEDIANRONGDANGRANNENGGOUYANZHANGGONGZUOSHOUMING。LINGYIFANGMIAN,GENJUSHIJIDEYINGLIHEGONGZUOWENDU,RENGRANKEYIXUANZEJIAODIEDINGGONGZUOWENDUHEEDINGSHOUMINGDEDIANRONG,CONGERTIGONGGENGDICHENGBENDEJIEJUEFANGAN;HUANGEJIAODUSHUO,ZAISHEJIZHONGKAOLVBAOCHISHIDANGDEYINGLIHEGONGZUOWENDU,KEYIYOUXIAODIYANZHANGDIANJIEDIANRONGDEGONGZUOSHOUMING,SHIQIGENGNENGYULEDSHOUMINGXIANGPIPEI。

澳门皇冠体育 JULILAISHUO,ANSENMEIBANDAOTIFUHE“NENGYUANZHIXING”GUTAIZHAOMINGBIAOZHUNDELIXIANXINGLEDQUDONGQIGreenPoint®CANKAOSHEJIXUANZELESONGXIADEECA-1EM102LVDIANJIEDIANRONG,QIEDINGZHIWEI1000μF、25 V、850mA、2,000XIAOSHIJI85°C。ZAIJIADING50°CHUANJINGWENDUTIAOJIANXIA,ZHEIDIANRONGDEKEYONGSHOUMINGCHAOGUO12WANXIAOSHI。YINCI,JINLISHILEDQUDONGDIANLUGONGZUOZAISHIYIDEWENDUTIAOJIANBINGTUOSHANCHULISANREWENTI,JIUNENGSHIXIANLEDQUDONGDIANLUYULEDGONGZUOSHOUMINGDEPIPEIWENTI。

ZONGDELAIKAN,RUGUOLEDQUDONGDIANLUZHONGBIXUSHIYONGDIANJIEDIANRONG,NEIJIUBIXUNULIKONGZHIDIANRONGSUOSHOUDEYINGYONGLIJIGONGZUOWENDU,CONGERZUIDACHENGDUYANZHANGDIANRONGGONGZUOSHOUMING,YIQIYULEDSHOUMINGPIPEI;LINGYIFANGMIAN,SHEJIRENYUANYEYINGGAIJINKENENGDIBIMIANSHIYONGDIANJIEDIANRONG。

澳门皇冠体育 LEDDENGSHANSHUODECHANGJIANYUANYINYUCHULIBANFA

TONGCHANGRENYANNENGGOUGANZHIDAOPINLVDA70HzDEGUANGSHANSHUO,GAOYUZHEIGEPINLVZEBUHUIGANZHI。GUZAILEDZHAOMINGYINGYONGZHONG,RUGUOMAICHONGXINHAOCHUXIANPINLVDIYU70HzDEDIPINFENLIANG,RENYANJIUHUIGANSHOUDAOSHANSHUO。DANGRAN,ZAIJUTIYINGYONGZHONG,YOUDUOZHONGYINSUKENENGDAOZHILEDDENGSHANSHUO。LIRU,ZAILIXIANSHIDIGONGLVLEDZHAOMINGYINGYONGZHONG,YIZHONGCHANGJIANDEDIANYUANTUOPUJIEGOUSHIGELIXINGFANJITUOPUJIEGOU。YIANSENMEIBANDAOTIFUHE“NENGYUANZHIXING”GUTAIZHAOMINGBIAOZHUNDE8WLIXIANXINGLEDQUDONGQIGreenPoint®CANKAOSHEJIWEILI,YOUYUFANJIWENYAQIDEZHENGXIANFANGBOGONGLVZHUANHUANBINGWEIJICHUJIPIANZHITIGONGHENGDINGNENGLIANG,DONGTAIZIGONGDIAN(DSS)DIANLUKENENGHUIJIHUOBINGYINFAGUANGSHANSHUO。WEILEBIMIANZHEIGEWENTI,BIXUSHICHUJIPIANZHINENGGOUZAIMEIGEBANZHOUQIBUFENFANGDIAN,XIANGYINGDI,XUYAOQIADANGXUANZEGOUCHENGZHEIPIANZHIDIANLUDEDIANRONGHEDIANZUDELIANGZHI。

澳门皇冠体育 LINGWAI,JISHISHIZAISHIYONGTIGONGJIJIAGONGLVYINSHUXIAOZHENG、ZHICHITRIACDIAOGUANGDELEDQUDONGYINGYONGZHONG,YEYAOQIUDIANCIGANRAO(EMI)LVBOQI。YOUTRIACJIEYUE(step)YINQIDESHUNTAIDIANLIUHUIJIFAEMILVBOQIZHONGDIANGANHEDIANRONGDEZIRANXIEZHEN。RUGUOZHEIXIEZHENTEXINGDAOZHISHURUDIANLIUJIANGZHITRIACWEICHIDIANLIUZHIXIA,TRIACJIANGHUIGUANBI。DUANZANYANSHIHOU,TRIACTONGCHANGYOUHUIDAOTONG,JIFATONGYANGDEXIEZHEN。ZAISHURUDIANYUANBOXINGDEYIGEBANZHOUQINEI,ZHEIXILIESHIJIANKENENGHUIZHONGFUDUOCI,CONGERXINGCHENGKEJIANDELEDSHANSHUO。WEILEYINGDUIZHEIGEWENTI,TRIACDIAOGUANGDEYIXIANGGUANJIANYAOQIUJIUSHIEMILVBOQIDESHURUDIANRONGJIDI,QIEZHEIDIANRONGYAONENGGOUTONGGUOTRIACJIRAOXIANZUKANGJIEOU。GENJUGONGSHI,DIAOGUANGMOKUAIZHONGDIANRONGJIANXIAODEHUA,JIUNENGGOUZENGDAXIEZHENDIANLUDEDIANZU,YUANLISHANGJIUYIZHIZHENDANG,HUIFUXIANGYAODEDIANLUGONGZUO。

澳门皇冠体育 PWM DIAOGUANGDUILEDDESHOUMINGYOUHEYINGXIANG

LEDBENSHENDESHOUMINGHENZHANG,PWMDIAOGUANGBINGBUHUISUNJILEDDEYUQISHOUMING;SHENZHIYOUYUPWMDIAOGUANGBANGZHUJIANXIAOLEDFARELIANG,SHIJISHANGHAINENGBANGZHUYANZHANGLEDYUQISHOUMING。DANGRAN,ZAIXITONGSHEJIZHONG,XUYAOYOUXIAODIJIANCEJIKONGZHILEDWENDU,BAOZHENGLEDKEKAOGONGZUO,TIXIANQIZHANGSHOUMINGHEDIWEIHUCHENGBENDEYOUSHI。

热门标签:浅谈LED照明电源设计的核心难题

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