体彩天下

欢迎进入西安新纳机械加工有限公司官方网站! 全国服务电话:13629297975  13629297975

西安新纳机械加工有限责任公司

电子机箱金属外壳的屏蔽设计

作者:admin 发布日期:2018/2/8 关注次数: 二维码分享

XIANSHEBEIWAIQIAOCHANGJIADEXIAOBIANWEININJIESHAODIANZIJIXIANGJINSHUWAIQIAODEPINGBISHEJI:

体彩天下 DIANZIJIXIANGYUNYONGYUELAIYUEGUANGFAN,LVDAOTIQIJIANDEGUANGFANSHIYONGHEWEIDIANZIJISHUDEFEISUFAZHAN,SHIZHENGJITIJIRIYIQUXIAOXINGHUA。YINCIJINEILINGBUJIANZHIJIANCHANSHENGDEGELEIGANRAOYEHUIZENGJIA,TONGSHIYEGENGRONGYISHOUDAOGEZHONGWAIJIECHANGDEGANRAO。WEISHIZHENGJIZHENGCHANGGONGZUO,CAIYONGPINGBILAIYIZHIGELEIGANRAOSHIXINGZHIYOUXIAODEFANGFA。PINGBIKEFENWEI:DIANPINGBI、CIPINGBIHEDIANCIPINGBI;

(1电屏蔽

由于两个系统之间存在分布电容,通过后就会产生静电千扰。用良好接地的金属外壳或金属板将两个系统隔离,是抑制静电干扰的有效方法。
(2磁屏蔽

CAIYONGPINGBIZHAO,KEYIDUIDIPINJIAOBIANCICHANGJIHENGDINGCICHANGCHANSHENGDEGANRAOQIDAOYIZHIZUOYONG,PINGBIZHAOBACILIXIANXIANZHIZAIPINGBITINEI,FANGZHICILIXIANKUOSANDAOWAIBUKONGJIAN。PINGBIZHAOYINGDANGXUANYONGDAOCILVJIAOGAODEJINSHUCAILIAO.RUGANG、TIE、NIEHEJINDENG。TONG、LVCAILIAODUICIPINGBIDEXIAOGUOJICHA。

西安设备外壳

(3)电磁解蔽
采用完全封闭的金属外壳,可以对高频磁场〔即辐射磁场)产生抑制作用,起到良好的电磁屏蔽效果。但封闭的金属壳需要散热,外壳上有通风孔使电磁屏蔽的效果变差。为解决这一矛盾,可以在通风孔处另加金属网。

ZAIZHENGJIMAOYISHEJIZHONG,YINGGAIGENJUZHENGJITEDIAN、SHIYONGHUANJINGDENGYINSU,LINGHUOYUNYONGSHANGSHUSANZHONGPINGBICUOSHI。XIANRAN,CAIYONGJINSHUJIXIANGDEDIANZISHEBEI,PINGBIWENTIBIJIAORONGYIJIEJUE。JINNIANLAIFEIJINSHUCAILIAOJINSHUHUADEGONGYIJISHUYOULEHENDAJINBU,DUIYONGSULIAOZHUSUCHENGXINGDEJIXIANGCAIYONGZHENKONGDUMOJISHU,ZAINEIBISHANGZHENGFACHENZHEYICENGJINSHUMO,KEYISHISULIAOJIXIANGDEDIANCIPINGBIXIAOGUODEDAOMINGXIANDEGAISHAN。


(4)机箱内外的微弱信号或高频信号在传输过程中也需要进行屏蔽,可以使用屏蔽线。

体彩天下 XUYAOTEBIEZHUYI:SHIYONGPINGBIXIANSHI,BIXUJIANGPINGBICENGLIANGHAOJIEDI。JIARUPINGBICENGWEIJIEDIHUOZHEJIEDIBULIANG,JIUKENENGCHANSHENGJISHENGHUOHEZUOYONG,DUIDAOXIANYINRUBIBUYONGPINGBIXIANHAIYAOYANZHONGDEGANRAO。

YISHANGDEWENZHANG,XIANSHEBEIWAIQIAOCHANGJIADEXIAOBIANJIUJIDAJIAJIANGSHUDAOZHEIGEDIFANG,GANXIEDAJIADEYUEDU,JIARUNIYEYOUZHEIFANGMIANDEXUQIUDEHUAHUANYINGNINSUISHIDENGLUWOGONGSIDEWANGZHI,WOMENHUIBUDINGDEZAIWANGZHANSHANGMIANFABUGUANYUZHEIFANGMIANDEWENZHANGYUDAJIAGONGXIANG!

西安设备外壳公司

案例展示

CASE SHOW

快速通道 Express Lane

咨询热线

1362929797513629297975

YOUXIANG:854005844@qq.com

QQ:854005844

x
客服热线

13629297975

QQ咨询
扫描二维码 二维码
客服中心

KEFUZHONGXIN