小金体育注册平台

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

<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。

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……

<3>开关电源怎么选？只选对的！

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

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。