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防尘降噪实力派:大功率无风扇机壳开关电源

xiangxinbushaogongchengshiduikaiguandianyuanchanpindoubumosheng,takeguangfanyingyongyugongyezidonghuakongzhi、jungongshebei、ledzhaoming、gongkongshebei、tongxunshebei、dianlishebei、yiqiyibiao、yiliaoshebeidengdeng。shimianshangzhuliudezhongdagonglvkaiguandianyuanruxiatu,tedianshidaifengshan、luobanzhongkong、waixingbianping。


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<1>现有主流开关电源解决不了哪些问题?

zhuliudekaiguandianyuanfangankeyiyingyongzaihenduoxingye、henduoshebeidangzhong,danyoushihouyouxiekehuyiranhuigandaotoutong。kehubiaoshizaishiyongzhuliukaiguandianyuanshihuiyudaochanpinshouchaohuojinshui、zaoyinda、shuruguoyadengwenti,zheiwuxingzhongtishengleshebeihouqiweihudechengbenheyali。

xiangyaojiejueshangshuwenti,shouxianyaolejiechanshengwentideyuanyou。

常规的大功率电源普遍带风扇,外形采用的是裸板贴片+带孔外壳,壳内部呈中空状态,这就不可避免会产生以下问题:灰尘容易堆积、风扇噪音大、产品容易受潮,我们逐一分析。

一、灰尘问题

dianyuangongdiandejiqishebeigongzuohuanjingwangwangshifenfuza,youchongmanjinshufenchendegongchang、mianxupiaopiaodefangzhichang、rishaiyulindehuwaichongdianzhuang……waiqiaodaikongqieqiaoneizhongkong,jiashangfengshandefengxiangshichuiwangshebeineibucainengsanre,zheilingjiqishebeijiqirongyixijinhuichen。zhangciyiwang,huiyingxiangqijianshouming,zaochengfengshanhuoqitapcbqijiansunhuai。

二、噪音问题

     jiqishebeidezaoyinshiyoushejiyaoqiude,shebeiyunxingshizaoyinyidalaiyuanjiushifengshanzaoyin。richangherentijiechudeshebei,rumeirongyiqi;yingyongchangsuoduizaoyinmingandeqingkuang,rujiaoshipingbanchongdianju,zheixieshebeiruguozaoyinjiaoda,rongyiyinqirenmenkonghuang。suoyibujinyaofuheshejiyaoqiu,erqiexuyaojinkenengzuojingyinchuli。

三、产品受潮

waiqiaodaikongqieqiaoneizhongkongdegouzaowufazudangshuiqi,tongshifengshandejinfengkoubianchenglechaoshishuiqidetongdaokou。dianyuanneibuhuanjingdefengbixingbuzuyizudangshuiqishi,yushangeliedeshineiwaihuanjing、huwaihuanjingdeng,jiangzhijieyingxiangdianyuanjishebeideshouming。

四、电网波动

    changguishurudianyafanweishi85~264vac,bingbunengyingduisuoyouqingkuang,birushebeiqidongguanduanshishurudianyashunshichao264vac,changguipincunzaisunhuaifengxian;biruyongdiangaodifengqijian,dianyabodongdayehuichaochu264vac,xiangxiangchongdianzhuang、huwaiyangzhi;birushebeiyouchukouhaiwaixuqiu,wufamanzuhaiwaideyongdianbiaozhun。

    

<2>灰尘多、噪音大、还受潮,怎么办?

防尘降噪——无风扇设计:解决灰尘累积、风扇噪音问题,适用于规定无风扇的特殊行标情况;

实力派——灌胶及特殊外壳工艺:解决产品散热、密封性、抗腐蚀性问题;

实力派——关键指标:扩大输入电压范围至305VAC、集成主动式PFC、瞬态过功率1.5倍、5000m海拔应用等。


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综合下来,防尘降噪实力派“大功率无风扇超窄机壳开关电源”应运而生!

qudiaofengshan,caiyongguanjiaogongyi,congzhuliudebianpingxingbianchengzhaitiaoxing,tijijianxiaoyue1/2,jiegoukejieshengdaliangkongjian,zhichicemiananzhuang,anzhuanggenglinghuo;neibubanguanjiaoshejitigaolekekaoxing,yishikeyichuandaosanre,ershikeyifangchao,tigaojueyuanqiangdu。

chulewufengshan、guanjiaogongyiliangdaliangdianyiwai,gezhongfuzagongkuangduidianyuandexingneng、kekaoxingtichulegengduoyaoqiu。birukuodashurudianyafanweizhi305vac,keyiyingduichixubodongdedianwangdianya;biruzhichishuntaigonglvxuqiushebeidianji、diancifadeng;birushebeixiaowanggedi,xuyaomanzugaohaibayingyong……


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<3>开关电源怎么选?只选对的!

jinshengyangdezheikuandagonglvwufengshanjiqiaokaiguandianyuanlmf-23bxxuh,bujinzhishifangchenjiangzaoshilipai,tatongshihaishijiqiaokaiguandianyuanlidedulifenzhi。zheigexinfenzhi,shiduijiqiaokaiguandianyuanjiazudebuchonghewanshan。


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zaibutonggongchengshidebutongkaolv、butongshebeidebutonggongkuangxia,lmf-uhxilieweikehutigongduoyizhongdianyuanfanganxuanze。ruduitijiwuyaoqiu、yibanshineihuanjingdexuanzechangguikuan;ruyingyongzaihaibianhuoyanwujiaodadiqu、huoqibiaoyaoqiuwufengshandetongxindengxingyedeng,xuanzewufengshanguanjiaokuan(lmf-uh)。

电源是设备的核心部件,选对电源不仅节省后期维护成本,而且有利于提升设备竞争力和品牌力,不同应用场景选用合适且可靠的产品设计才是关键。


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详细产品技术参数请参考技术手册:
数据加载中

  • 型号

  • 功率(W)

  • 输入电压(VAC)

  • 输入电压(VDC)

  • 输出电压(VDC)

  • 输出电流

  • 输出路数

  • 效率%

  • 隔离电压

  • ziliaoxiazai (3d/pcbfengzhuangku/yuanlituku)

  • 认证/标准

  • 技术
    手册

  • 样品
    申请

LMF350-23B05UH 300 85-305 120-430 5 60A 1 90 4000VAC
LMF350-23B12UH 350.4 85-305 120-430 12 29.2A 1 92 4000VAC
LMF350-23B24UH 350.4 85-305 120-430 24 14.6A 1 94 4000VAC
LMF350-23B48UH 350.4 85-305 120-430 48 7.3A 1 94 4000VAC
LMF350-23B36UH 351 85-305 120-430 36 9.75A 1 94 4000VAC
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