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如何用技术控制风机噪声

FABUSHIJIAN:2018-11-19      DIANJICISHU:349

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SHIZHONG:

B-----YEPIANSHU

N-----TONGFENGJIDEZHUANSHU,ZHUAN/FEN

n-----XIEYINXUSHU:n=1(JIPIN),n=2(DIERXIEYIN)

FENGJIZAOSHENGDESHENGJI,BUJINYUQIFENGJIDEJIEGOUXINGSHIYOUGUAN,ERQIEHAITONGQIGONGZUOZHUANGTAI(YOUQUANYAHEFENGLIANGJUEDING)YOUGUAN。BUTONGXILIE、BUTONGXINGHAODEFENGJI,QISHENGJISHIBUYIYANGDE。TONGYIFENGJI,ZAIBUTONGGONGKUANGXIA,QISHENGJIYESHIBUTONGDE。FENGJIGONGZUOZAIZUIGAOXIAOLVDIANSHI,SHENGJIWANGWANGQULIANGDIZHI。

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                          LA=LSA+10LgQP dBA

SHIZHONG:

La----FENGJIJINQIKOU(HUOCHUQIKOU)DEASHENGJI,dBA;

Lsa----FENGJIJINQIKOU(HUOCHUQIKOU)DEBIASHENGJI,dBA;

Q----FENGLIANG,MI3/FEN;

P----FENGJIQUANYA,HAOMISHUIZHU.

   KONGZHIFENGJIZAOSHENGDECHANGYONGFANGFASHIZAIFENGJIDEJIN、CHUKOUCHUANZHUANGZUXINGXIAOSHENGQI。DUIYUYOUGENGGAOJIANGZAOYAOQIUDECHANGHE,KEYICAIYONGXIAOSHENGGESHENGXIANG,BINGZAIJIZUYUDIJIZHIJIANANZHIJIANZHENQI。CAIQUSHANGSHUFANGFA,YIBANKEHUODEMINGXIANDEJIANGZAOXIAOGUO。

GUONEIXIANYIYOUXUDUOZAOSHENGKONGZHISHEBEICHANG,KETIGONGGELEIFENGJIDEXIAOSHENGZAOQI、XIAOSHENGGESHENGXIANGJIJIANZHENQI。FENGJIDEZAOSHENGWENTI,CONGJISHUSHANGLAIJIANG,ZAIWOGUOJIBENSHANGYIKEDEDAOYOUXIAODEKONGZHI,ERQIEDIZAOSHENGFENGJIYEYIKAISHICHUXIAN。

DANSHI,DUIYUYOUTESHUYAOQIUDEFENGJIXIAOSHENGQI,RUYAOQIUFANGSHUI、FANGCHAO、NAIGAOWENHUOFANGCHENDENG,SHANGYOUXUDUOYANJIUGONGZUOZHIDEKAIZHAN


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