云南通风设备带您了解一下消声器的定义

消声器是指对于同时具有噪声传播的气流管道,可以用附有吸声衬里的管道及弯头或利用截面积突然改变及其他声阻抗不连续的管道等降噪器件,使管道内噪声得到衰减或反射回去。前者称为阻性消声器，后者称为抗性消声器，也有阻抗复合式的消声。

种类概述：消声器种类很多，但究其消声机理，又可以把它分为六种主要的类型，即阻性消声器、抗性消声器、阻抗复合式消声器、微穿孔板消声器、小孔消声器和有源消声器。

ZUKANGSHI

XIANYOUDEXIAOSHENGQI，DADUOCAIYONGZUKANGFUHEXINGXIAOSHENGYUANLI。YOUYUJIEGOUFUZA、ZHONGLIANGDA、GAOWENYANGHUAXISHENGTIANLIAO，GAOSUQILIUCHONGJIXISHENGTIANLIAO，SHUIQISHENTOUXISHENGTIANLIAODENGYUANYIN，XIAOSHENGQIHENRONGYICHUXIANWEIXIUPINFAN、XIAOSHENGXIAOGUOCHA，SHIYONGZHOUQIDUANDENGQINGKUANG。

ERZHEILILAISHIXIAOYINQIDESHEJINANDIAN，WEICHUANKONGXIAOSHENGQIZEZONGHELEZUIHELIDEXIAOSHENGYUANLISUOSHEJIJIEJUELESHANGSHUWENTI，QUDELELIANGHAOXIAOGUO。WEICHUANKONGXIAOSHENGQIXIAOSHENGQIBUSHIYONGRENHEZUXINGXISHENGTIANLIAO，CAIYONGWEICHUANXIAOKONGDUOKONGQIANGJIEGOU，GAOYAQILIUZAIXIAOSHENGQINEIJINGDUOCIKONGLIUJINRUKONGQIANGTI，ZHUJIGAIBIANYUANQILIUDESHENGPIN。ZULISUNSHIXIAO，XIAOSHENGPINDAIKUAN，GONGZUOSHIBUQICHEN。BUPAYOUWU、SHUIQI。NAIGAOWEN、NAIGAOSUQILIUCHONGJI。SHIHUANJINGZAOSHENGFUHEGUOJIA《GONGYEQIYEZAOSHENGWEISHENGBIAOZHUN》。 GUANGFANYONGYUSHIYOU、HUAGONG、YEJIN、FANGZHIDENGXINGYE。

阻性式

主要是利用多孔吸声材料来降低噪声的。把吸声材料固定在气流通道的内壁上或按照一定方式在管道中排列，就构成了阻性消声器。当声波进入阻性消声器时，一部分声能在多孔材料的孔隙中摩擦而转化成热能耗散掉，使通过消声器的声波减弱。云南通风设备告诉您阻性消声器就好象电学上的纯电阻电路，吸声材料类似于电阻。因此，人们就把这种消声器称为阻性消声器。阻性消声器对中高频消声效果好、对低频消声效果较差。

KANGXINGSHI

是由突变界面的管和室组合而成的，好像是一个声学滤波器，与电学滤波器相似，每一个带管的小室是滤波器的一个网孔，管中的空气质量相当于电学上的电感和电阻，称为声质量和声阻。小室中的空气体积相当于电学上的电容，称为声顺。与电学滤波器类似，每一个带管的小室都有自己的固有频率。当包含有各种频率成分的声波进入第一个短管时，只有在第一个网孔固有频率附近的某些频率的声波才能通过网孔到达第二个短管口，而另外一些频率的声波则不可能通过网孔．只能在小室中来回反射，因此，我们称这种对声波有滤波功能的结构为声学滤波器。选取适当的管和室进行组合．就可以滤掉某些频率成分的噪声，从而达到消声的目的。抗性消声器适用于消除中、低频噪声。

BAZUXINGJIEGOUHEKANGXINGJIEGOUANZHAOYIDINGDEFANGSHIZUHEQILAI，JIUGOUCHENGLEZUKANGFUHESHIXIAOSHENGQI。

WEICHUANKONGBANSHI

YIBANSHIYONGHOUDUXIAOYU1mmDECHUNJINSHUBOBANZHIZUO，ZAIBOBANSHANGYONGKONGJINGXIAOYU1mmDEZUANTOUCHUANKONG，CHUANKONGLVWEI1%YI5%。XUANZEBUTONGDECHUANKONGLVHEBANHOUBUTONGDEQIANGSHEN，JIUKEYIKONGZHIXIAOSHENGQIDEPINPUXINGNENG，SHIQIZAIXUYAODEPINLVFANWEINEIHUODELIANGHAODEXIAOSHENGXIAOGUO。

XIAOKONGSHI

XIAOKONGXIAOSHENGQIDEJIEGOUSHIYIGENMODUANFENGBIDEZHIGUAN，GUANBISHANGZUANYOUHENDUOXIAOKONG。XIAOKONGXIAOSHENGQIDEYUANLISHIYIPENQIZAOSHENGDEPINPUWEIYIJUDE，RUGUOBAOCHIPENKOUDEZONGMIANJIBUBIANERYONGHENDUOXIAOPENKOULAIDAITI，DANGQILIUJINGGUOXIAOKONGSHI、PENQIZAOSHENGDEPINPUJIUHUIYIXIANGGAOPINHUOCHAOGAOPIN，SHIPINPUZHONGDEKETINGSHENGCHENGFENMINGXIANJIANGDI，CONGERJIANSHAODUIRENDEGANRAOHESHANGHAI。

YOUYUANSHI

基本原理是在原来的声场中，利用电子设备再产生一个与原来的声压大小相等、相位相反的声波，使其在一定范围内与原来的声场相抵消。云南通风设备告诉您这种消声器是一套仪器装置，主要由传声器、放大器、相移装置、功率放大器和扬声器等组成。

YUANLI

YI、WEIKONGBANXISHENGJIEGOUDELILUN

ZAIBANHOUXIAOYU1.0mmDEBOBANSHANGCHUANYIKONGJINGXIAOYUDENGYU1.0mmDEWEIKONG，CHUANKONGLVWEI1～5%，

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Z=r+jwm=jctg(WD/C)（1）

GONGSHIZHONG：

ρ--KONGQIMIDU（kg/cm3）；

C--KONGQIZHONGSHENGSU（m/s）；

D--QIANGSHEN（mm）；

m--XIANGDUISHENGZHILIANG；

r--XIANGDUISHENGZU；

w--JIAOPINLV，W=2πf(fWEIPINLV)；

ERrHEmFENBIEYOUSHI（2）（3）BIAODA：

r=atkr/dzp（2）

m=(0.294)×10-3tkm/p（3）

SHIZHONG：

t--BANHOU（HAOMI）

d--KONGJING（HAOMI）

p--CHUANKONGLV（%）

kr--SHENGZUXISHUkr=(1+x2/32)1/2+(2x)1/2/8×d/t

km--SHENGZHILIANGXISHUkm=1+{1+[1/(9+(x2/2))]}+0.85d/t

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SHIZHONGl--CHANGSHU，DUIYUJINSHUBANl=1140,ERGEREBANl=500。SHANGSHIYEKEYIYONGSHI（5）BIAODA：

r/m=50f((kr/km)/x2)(5)

ERkr/kmDEJINSIJISUANSHIWEI：

kr/km=0.5+0.1x+0.005x2(6)

LIYONGYISHANGGESHIJIUKEYICONGYAOQIUDEr、m、fQIUCHUWEICHUANKONGBANXISHENGJIEGOUDEx、d、t、pDENGCANLIANG。YOUYUWEICHUANKONGBANDEKONGJINGHENXIAOQIEXI，JISHENGZUrZHIBIPUTONGCHUANKONGBANDADEDUO，ERSHENGZHILIANGmYOUHENXIAO，GUXISHENGPINDAIBIPUTONGCHUANKONGBANGONGZHENXISHENGJIEGOUDADEDUO，YIBANXINGNENGJIAOHAODEDANCENGHUOSHUANGCENGWEICHUANKONGBANXISHENGJIEGOUDEXISHENGPINDAIKUANDUKEYIDADAO6～10GE1/3XINPINCHENGYISHANG。ZHEIJIUSHIWEICHUANKONGBANXISHENGJIEGOUZUIDADETEDIAN。

GONGZHENSHIDEZUIDAXISHENGXISHUα0WEIα0=4r/(1+r)2(7)

JUTISHEJIWEICHUANKONGBANXISHENGJIEGOUSHI，KETONGGUOJISUAN，YEKECHATUBIAO，JISUANJIEGUOYUSHICEJIEGUOXIANGJIN。ZAISHIJIGONGCHENGZHONGWEILEKUODAXISHENGPINDAIDEKUANDU，WANGWANGCAIYONGBUTONGKONGJING、BUTONGCHUANKONGLVDESHUANGCENGHUODUOCENGWEICHUANKONGBANFUHEJIEGOU。

ER、WEICHUANKONGBANLILUNZAIKANGPENZUXIAOSHENGQISHEJIZHONGDEYINGYONG

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QIXISHENGXISHUGAO，XISHOUPINDAIKUAN，YALISUNSHIXIAO，QILIUZAISHENGZAOSHENGDI，QIEYIYUKONGZHI。WEIHUODEKUANPINDAIGAOXISHOUXIAOGUO，YIBANYONGSANJIWEICHUANKONGBANJIEGOU。WEICHUANKONGBANYUWAIQIAOTIZHIJIANYIJIWEICHUANBANZHIJIANDEKONGQIANGCHICUNDAXIAOANXUYAOXISHOUDEPINDAIBUTONGERYI，DIPINQIANGDA（150～200mm）,ZHONGPINXIAOXIE(80～120mm），GAOPINGENGXIAOXIE（30～50mm），SHUANGCENGJIEGOUDEQIANQIANGSHENDUYIBANYINGXIAOYUHOUQIANG，QIANHOUQIANGSHENDUZHIBIBUDAYU1：3，QIANBUJIEJINQILIUDEYICENGWEICHUANKONGBANCHUANKONGLVYINGGAOYUHOUCENG，WEIJIANXIAOZHOUXIANGSHENGCHUANBODEYINGXIANG，KEZAIWEICHUANKONGBANXIAOSHENGQIDEKONGQIANGNEIMEIGE500mmZUOYOUJIAYIKUAIHENGXIANGGEBAN。SHIYANZHENGMING，WEICHUANKONGBANXIAOSHENGQIBULUNSHIDIPIN、ZHONGPIN、GAOPINXIAOSHENGXINGNENGSHICEZHIBILILUNGUSUANZHIYAOHAO。QIEXIAOSHENGLIANGYULIUSUYOUGUAN，YUXIAOSHENGQIWENSHENGWUGUAN，DANGLIUSUDADAO70MI/MIAOSHI，YIBANQITAXINGSHIXIAOSHENGQIYIWUFAJIEJUEZAOSHENGWENTI，ERWEIKONGXINGXIAOSHENGQIKECHENGSHOU70m/sQILIUSUDUDECHONGJI，RENGYOU15dBAYISHANGDEXIAOSHENGQI。ZHEIYESHIWEIKONGXIAOSHENGQIYOUYUYIBANXIAOSHENGQIYIGEZHONGYAOTEDIAN。

三、云南通风设备告诉您抗喷阻型消声器特点

BENXINGSHIXIAOSHENGQIZONGHELEWEICHUANKONGBANZUIHELIDEXIAOSHENGYUANLISHEJIERCHENG，SHIGAOYAZHENGQIZAIXIAOSHENGQINEIJINGYICIKONGLIUHOUJINRUJIANGYAQIANGKUORONGHOU，CONGERXINGCHENGDIYAZHENGQICONGXIAOKONGPENCHU，ZUIHOUJINGGUOJIANGYATIWAIDEZUSHENGZHAOSHIJIANGYATIFACHUDESHENGYUZAOSHENGDEDAOYOUXIAODEXISHOU，ZUIZHONGXIAOSHENGQIDA35dB(A)YISHANG（YIJIZHISANJIXIAOSHENGZHIJIANBILIWEI35%，50%，15%）。

XUANGOUZHIBIAOBIANJI

HENGLIANGXIAOSHENGQIDEHAOHUAI，ZHUYAOKAOLVYIXIASANGEFANGMIAN：

1、XIAOSHENGQIDEXIAOSHENGXINGNENG；（XIAOSHENGLIANGHEPINPUTEXING）

2、XIAOSHENGQIDEKONGQIDONGLIXINGNENG；（YALISUNSHIDENG）

3、XIAOSHENGQIDEJIEGOUXINGNENG。（CHICUN、JIAGE、SHOUMINGDENG）

· XIAOSHENGQIDEXIAOSHENGPINLVTEXING。KANGPENZUXINGXIAOSHENGQIDUIGEPINZAOSHENGXIAOGUOYOUYUE。

· XIAOSHENGQIDESHIYONGFENGSUYIBANWEI6-8m/s，ZUIGAOBUYICHAOGUO12m/s，TONGSHIZHUYIXIAOSHENGQIDEYALISUNSHI。

· ZHUYIXIAOSHENGQIDEJINGTONGDAOJIEMIANJI，FENGGUANHEXIAOSHENGQILIANJIESHI，BIYAOSHI（FENGSUYOUXIANZHISHI）XUZUOFANGDACHULI。

· XIAOSHENGQIDENGXIAOSHENGSHEBEIANZHUANG，XUYOUDULIDECHENGZHONGDIAOGANHUODIZUO；YUSHENGYUANSHEBEIXUTONGGUORUANJIETOULIANJIE。

· DANGLIANGGEXIAOSHENGWANTOUCHUANLIANSHIYONGSHI，LIANGGEWANTOUDELIANJIEJIANJUYINGDAYUWANTOUJIEMIANDUIJIAOXIANZHANGDUDE2.5BEI。

· DUIYUGAOWEN、GAOSHI、YOUYOUWU、SHUIQIDEHUANJINGXITONGYIBANXUANYONGWEIKONGJIEGOUXIAOSHENGSHEBEI，DUIYUYOUJIEJINGYAOQIUDEZHURUSHOUSHUSHI、LUYINSHI、JIEJINGCHANGFANGDENGHUANJINGXITONG，YINGCAIYONGWEIKONGJIEGOUXIAOSHENGSHEBEI。

· XIANGLINYONGFANGGUANLUCHUANTONGSHI，ZHUYISHINEIZAOSHENGTONGGUOGUANLUXIANGHUYINGXIANG，BIYAOSHIFENGKOUZUOXIAOSHENGCHULI。

XUANYONG

XIAOSHENGQIDEXUANYONGYINGGENJUFANGHUO、FANGCHAO、FANGFU、JIEJINGDUYAOQIU，ANZHUANGDEKONGJIANWEIZHI，ZAOSHENGYUANPINPUTEXING，XITONGZIRANSHENGSHUAIJIAN，XITONGQILIUZAISHENGZAOSHENG，FANGJIANYUNXUZAOSHENGJI，YUNXUYALISUNSHI，SHEBEIJIAGEDENGZHUDUOYINSUZONGHEKAOLVBINGGENJUSHIJIQINGKUANGYOUSUOPIANZHONG。YIBANDEQINGKUANGSHI： XIAOSHENGQIDEXIAOSHENGLIANGYUEDA，YALISUNSHIJIJIAGEYUEDA；XIAOSHENGLIANGXIANGTONGSHI，RUGUOYALISUNSHIYUEXIAO，XIAOSHENGQISUOZHANKONGJIANJIUYUEDA。

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