你知道静压箱的作用及其计算方法吗？云南通风设备来告诉你！

SHENMESHIJINGYAXIANG？

JINGYAXIANGYOUCHENGWENYASHI，LIANJIESONGFENGKOUDEDAKONGJIANXIANGTI。QILIUZAICIKONGJIANZHONGLIUSUJIANGDIQUJINYULING，DONGYAZHUANHUAWEIJINGYA，QIEGEDIANJINGYAJINSIXIANGTONG，SHISONGFENGKOUDADAOJUNYUNSONGFENGDEXIAOGUO。（YOUDEZHUANGDAOFENGJIXIRUKOUFUJIN，TONGYANGYESHIQIDAOJIANGDIFENGSUZUOYONG，FENGJIXIRUKOUDEFENGSUGUOGAO，FANGZHIQILIUDUIYELUNDECHONGJI。）

JINGYAXIANGSHIYIZHONGCHUANTONGDETONGFENGSHESHI，CHANGCHANGBEIYINGYONGYUHENGWEN、HENGSHIHEJIEJINGSHIYIJIHUANJINGQIHOUSHIZHEILEIDUISHINEIWENDU、SHIDU、JIEJINGDUHEQILIUFENBUJUNYUNXINGYOUJINGQUEYAOQIUDEKONGDIAOFENGXITONGZHONG，YIBANDEKONGDIAODOUSHILINGJINGYADE，YONGBUDAOJINGYAXIANG，ZHIYOUGONGLVDADEKONGDIAORU5HPSONGFENGJULIYUAN，SUOYITAJIKEYONGLAIJIANSHAOTONGFENG、KONGDIAOXITONGZHONGDEZAOSHENG，YOUKEHUODEJUNYUNDEJINGYACHUFENG，JIANSHAODONGYASUNSHI。SHISONGFENGXITONGJIANSHAODONGYA、ZENGJIAJINGYA、WENDINGQILIUHEJIANSHAOQILIUZHENDONGDEYIZHONGBIYAODEPEIJIAN，YIBANSHIYONGDUXINGANGBANLAIZHIZUO，KESHISONGFENGXIAOGUOGENGJIALIXIANG。

云南通风设备工程实例：

MOUTIYUGUANKANTAIMIANJIJIAODA，ZUOWEIJIAODUO，SONGFENGKOUXIAOERDUO，YAOMANZUKANTAISUOXUDESONGFENGYAOQIU，CAIYONGCHANGGUIDEGUANDAOTONGFENGXITONGNANYISHIXIAN，LIYONGGUANZHONGXIAJIANZHUDINGPENGKONGJIAN，SHEJILEKONGDIAOSONGFENGDEZHENGTIJINGYAXIANGSONGFENGXITONG。CHONGFENLIYONGLEJINGYAXIANGXITONGDESONGFENGMIANGUANG、SONGFENGLIANGDA、GONGZUOZAOYINXIAODETEDIAN，ZUIDAXIANDUDILIYONGLEJIANZHUKONGJIAN，JIEYUELEZIYUAN。

JINGYAXIANGZUOYONG：

1、KEYIBABUFENDONGYABIANWEIJINGYASHIFENGCHUIDEGENGYUAN；

2、NEICHENXIAOSHENGCAILIAO，KEYIJIANGDIZAOYIN（XIAOSHENGLIANG10-20dB(A)）；

3、FENGLIANGJUNYUNFENPEI；

4、在实际的通风系统和空调风系统中，常常会遇到通风管道方变圆、圆变方、变径、直角拐弯、多管交汇等情形，都需要有特定的管件来连接，这些特定管件的制作，即费时又消耗材料，安装也不便利。这时采用静压箱作为管件来连接它们，就能大大的简化系统，从而使静压箱起到一种万能接头的作用。

5、JINGYAXIANGKEYONGLAIJIANSHAOZAOYIN，YOUKEHUODEJUNYUNDEJINGYACHUFENG，JIANSHAODONGYASUNSHI，BAJINGYAXIANGHENHAODIYINGYONGDAOTONGFENGXITONGZHONG，KETIGAOTONGFENGXITONGDEZONGHEXINGNENG。

JINGYAXIANGYUANLI：

YOUYUKONGQIFENZIBUGUIZEYUNDONGERZHUANGJIGUANBISUOCHANSHENGDEYALICHENG“JINGYA”。 JINGYASHICHUIZHIYULIUTIYUNDONGFANGXIANGDEYALI，ZUOYONGSHIKEFULIUTISHUSONGGUOCHENGZHONGDEZULI。NEIMEJIANLIJINGYAXIANGDEMUDEJIUSHIHUOQUJINGYA。（QUANYA=DONGYA+JINGYA：FENGJIDEQUANYASHIBUBIANDE，FENGSUJIANGDI，YIWEIZHEDONGYABIANXIAO，ZEJINGYAZENGJIALE。）ZAIDUOFENGGUANSONGFENGSHI，WEISHIGEFENGGUANDEFENGYAYIZHI，ZEXUYAOJIANLIJINGYAXIANG，SHIDONGYAQUANBUZHUANHUAWEIJINGYA，ZAIPINGJUNFENPEIDAOGEFENGGUANZHONG。TONGLI，ZAIDUOFENGGUANHUIFENGSHI，YEXUYAOJINGYAXIANG，KESHIBIAOLENGQIQIANDEKONGQICHONGFENHUNHE。YOUXIEDANFENGGUANDESONGFENGGUANDAOYEZHUANGJINGYAXIANG，MUDESHILIYONGJINGYAXIANGXIAOSHENG，YUANLISHIKONGQIJINRUJINGYAXIANGNEISUDUMINGXIANBIANMAN，FENGSHENGHUIJIANXIAO。

JINGYAXIANGDESHEJIYUANZE：JINGYAXIANGDEZUOYONGSHIWEIGEFENZHIGUANLUTIGONGJUNYUNDEYALI，YUNNANTONGFENGSHEBEICONGLILUNSHANGSHUOJINGYAXIANGNEIBUJINGYACHUCHUXIANGDENG，YEJIUSHISHUOJINGYAXIANGNEIBULIUSUCHUCHUWEILING，YAOMANZUZHEIDIANDETIAOJIANSHIJINGYAXIANGTIJIWUQIONGDA。ZAIGONGCHENGXIANGMUZHONGZHEISHIBUKENENGDE，YIBANXIANGNEIFENGSUKEKONGZHIZAI2m/sYIXIA，HUOXIANGDUIYUJINCHUFENGGUANFENGSUYOUDADAXIAJIANGJIKE。

JINGYAXIANGTEDIANHEJISHUXINGNENG：

1、FENGGUANXUYAOJIAODABIANJING，DANXIANCHANGANZHUANGJULIYOUWUFAMANZUBIANJINGSUOYAOQIUDEZHANGDUSHI，KEKAOLVZHIZUOJINGYAXIANG；

2、FENGGUANYUKONGDIAOSHEBEI（PAU、AHU、FANDENG）JIEKOUSHI，TONGCHANGKAOJINGYAXIANGLIANJIE；

3、JINGYAXIANGNEIDENEITIECAILIAOKEGENJUYAOQIUXUANZEYANMIAN、BOLIMIANJIQITAXISHENGCAILIAO，BIAOMIANWEIJINSHUBANCAI，FANGFUXINGNENGYOUYUE。

JINGYAXIANGJISUANFANGFA：

1、ZAISHEJIJINGYAXIANGSHI，RUGUOANZHEGUIDINGDEFENGSUCHENGJINXINGSHEJI，XIANGTIJIANGHUIHENDA；YIBANDEJINGYAXIANGZHANGBIANYAOKUANCHUFENGGUANBIAN400mm，GAODUYAOKUANCHUFENGGUANGAODU400mm，ZHISHIGUSUAN。

2、静压箱 一般老工程师的经验是5~10db(a)/m，阻抗复合型（似乎空调通风系统一般都用这个）消声器10~15db(a)/m

3、KONGZHIFENGSU ZAI2.5YINEI RUOTIJITAIDAKESHIDANGDETIGAOYIXIAFENGSU GUANYUZHANGDUYIBANDAYU1MIMEIYOUQITADEQIANGZHIYAOQIU

4、GAODU×SHENDU=JINGYAXIANGJIEMIANMIANJI，JINGYAXIANGJIEMIANMIANJI×2.5m/s=FENGJIFENGLIANG，ZHIYUGAODUHESHENDUZENMEPEI，ZIJIBAWO。

5、YONGNIJIZUDEFENGLIANGL÷3MI/MIAO，KEDEDAONIJINGYAXIANGYIGEMIANDEMIANJI，RANHOUNIGENJUFANGZIDEGAODU，JIARUSHI4MI，KENIDEJIZUSHI2MIGAO，ZAIJIANQURUANJIETOUDAGAI0.5MI，SHANGMIANLIUGAO0.5MI，NEINIDEJINGYAXIANGZHIYOU1MIGAO，NEINIJIUKEYIQUEDINGKUANDULE，YOULELIANGGESHU，DISANGESHUYEJIURONGYIQUEDINGLE，ZHEILIZUIZHUYAODESHIYAOKANZIJIDEKONGDIAOJIFANGGOUBUGOUWEIZHI，RUGUOGOUWEIZHIJIUJINLIANGDEDADIAN!!ZHANGDUDEJISUANFANGFAYESHIYIYANGDE，NIZHIDAOLEKUANDU，NEIMENIDEKUANDUCHENGYIZHANGDUBUYESHIYOUGEMIANJIMA？ZHEIGEMIANJIYEYAODENGYUL/3，BUGUOZAISHEJIYUANLIDEMIANFENGSUSHIQUYONG2m/sDE，RUGUOGOUKONGJIAN，JIUZUODADIANBA。

6、JINGYAXIANGHOUDUZUIHAODAYU600mm，DUANMIANFENGSUXIAOYU2m/s，LINGWAIZHUYIJIECHUWEIZHIYUJIERUWEIZHIJIANYOUQILIUHUANCHONGQU。

7、QISHIXIANZAISHUODEJINGYAXIANGZHISHITIEPIXIANG，BINGBUSHITIEYOUXIAOYINMIANDEJINGYAXIANG，ZAOJIASHANGKENENGBUTAIJINYAO，RUGUOZHENDESHITIEXIAOYINMIANDEJINGYAXIANG，NEIJIUYAOHAOHAOKAOLVYIXIACHENGBENLE，LINGWAIDEXIAOSHENGQIYAOZHUYILIUSUDEKONGZHI，DABUFENDEDOUSHIKONGZHIZAI8m/sYINEI，ZHIYAONENGDADAOZHEIGESHUZHI，XIAOYINXIAOGUOYEJIUBUCUOLE。

8、WOJUEDEXIAOSHENGJINGYAXIANGHENYOUBIYAO，ZAIJIFANGNEIBUSHIYONGJINGYAXIANGYOUSHIJIANZHIHENNANJIECHUGUANDAO，XIAOSHENGZHISHIQICIDE，DUANMIANFENGSUZUIHAOXIAOYU1.5m/s，GAOKUANBIJINLIANGXIAOYU1：4；

9、JINGYAXIANGDEZUOYONGSHIBADONGYABIANWEIJINGYA，JUNYUNFENPEIFENGLIANG，DUOYONGYUTIAOFENGFENGKOUQIAN ；

10、JINGYAXIANGDEZHUYAOZUOYONGJIUSHIWENYA、JIANGZAO。YUNNANTONGFENGSHEBEIGUIFANSHANGHAOXIANGYOU，JINGYAXIANGNEIDEFENGSUBUDAYU2.5m/s，GENJUFENGLIANG、FENGSUJIUKEYIQUEDINGJINGYAXIANGDERONGJI，JINGXIANGYIBANSHIDINGZUODE。KUANDUFANGXIANGBUYIXIAO500mm。TONGCHANGJINGYAXIANGDECHICUNBISHINEIJILVEXIAOJIKE。

11、CAIYONGDIBANSONGFENG，TADEJINGYAXIANGCAIYONGLIANGZHONG，YIZHONGSHISHIYONGJIACENGZUOWEIJINGYAXIANG，LINGYIZHONGCAIYONGPUTONGDEJINGYAXIANGRANHOUZAIJINGYAXIANGSHANGJIEJIGEFENGGUANDAOSONGFENGKOU。

(BENWENNEIRONGLAIYUANYUWANGLUO，RUYOUQINQUANQINGLIANXISHANCHU)