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늣屏蔽室结构设计要点分?/h1>

来源Q?a href='//longhaiyejin.com/news/31.html'>//longhaiyejin.com/news/31.html    发布旉 : 2015-08-26

屏(xi)(zhuo)?/b>的工作(weng)理是当干(jia)电(shu)(shu)(shu)场的(dan)率(cong)高时Q(han)()低()阻率的(qing)(qing)金属材(qi)(juan)(hai)()的(qing)(qing)(suo)流Q(han)Ş(xi)对外来()늣波的(qing)(qing)抉|作(mie)Q从而达到屏(huan)蔽的(qing)(qing)效果。电(shu)(shu)(shu)屏(huan)蔽与屏(xi)(zhuo)体接C(ban)(yang)ƈ没有(shi)关系(chen)?b>()늣屏(xi)(zhuo)?/b>的(tong)构主(fu)(xia)包(zhi)括屏(huan)蔽门(quan)、壳体、电(shu)源(qi)o(hu)波器{等(li)Q(han)于这些组(xi)结构(tong)(qing)(qing)设计(xia)点q行了如(juan)分(ke)析?

1、电(shu)(shu)(shu)(jing)o波器(sa)Q(ben)单(yin)(sui)R性能()|滤L(chang)器。进入屏蔽室的每根电(shu)(shu)(shu)(jing)线(hao)均应配(qu)()|滤L(chang)器,(ren)(sui)前q(qian)泛采用低泄露电(shu)(shu)(shu)(jing)的()|滤L(chang)器,(ren)其(duo)入衰减g屏蔽效能(juan)_(fu)所有电(shu)(shu)(shu)(jing)o波器(sa)应(liu)(juan)安(mao),(ren)滤L(chang)器的前(qu)(juan)能有过保(liao)(liao)(ge)装|(xiang)(xiang)(xiang)但可设|(xiang)(xiang)(xiang)过载保(liao)(liao)(ge)装|(xiang)(xiang)(xiang)?

2、(huo)体(lu)有六(wei)板体及壳体与(yi)(wei)之间的l缘处(tong)。六(wei)板体是由厚(ru)(qian)ؓ1.5mm的冷轧钢板制成单元模块,镀锌(han)塑后通过M8镀锌螺栓、螺(jiao)、(huo)片及导电衬垫l装(yao)成(yao)?

3(mo)(huo)蔽门(quan)Q(ben)(ya)Ҏ动((zhi)或电(shu)动)锁紧蔽(xiang)(xiang),(ren)(xiang)(xiang)洞(hao)寸(juan)?800×850(mm)(mo)采用铰(yu)(ju)刀式密(xiang)(xiang)屏蔽门(quan)Q(ben)门(quan)的锁(luan)紧点(juan)双Ҏ动锁(luan)紧结构;采(yun)单刀插入式(dai)(shu)(huo)(hao)技术、(huo)合(guo)口、(huo)(ma)(gong)式优(hong)(lu)铍青铜(ti)片(ta)Q(ben)(chu)护性好Q(ben)(si)(qiang)外门(quan)板ؓ双层l缘(hong)式机构,(ren)(xiang)(xiang)表面采用亚光不板(mao)饰(mo)?

4(mo)通风(ping)导H(dai)(la)蜂(yao)型通风(ping)导H(dai)(la)(hao)寸(juan)(juan)?00×300(mm)(mo)屏(lan)通风H(dai)成(xi)止(ping)导形式Q(ben)(han)插入(ai)衰减应于(lu)(ba)蔽(zhuo)室指(bao)标一(cun)_(ping)导H(dai)由许多(juan)(juan)L(chang)导组(xi)(yao)(ping)导(shou),(hao)L(chang)导(jian)(fang)面Ş(jian)(zhong)ؓ六角形;(fu)(ping)导片采用真I(chu)钎焊(cong)工艺l成整g(huan)(mo)?

()(())(()(()))늣屏(xi)(xi)(zhuo)(yue)的(yue)内(qiang)()(())(()(()))器设计需满()(())(()(()))|q线与屏蔽室壁间l缘()(())(()(()))阻及(mian)U与(ya)导线(cen)(yan)(fei)(fei)绝~(ke)电(shu)d(hui)?MΩ(fei)(fei)要(cha)。顶(fei)(fei)设计主要包括吊剙(jie)?(huan)孔铝板Q(ben)电(shu)屏蔽室作(chu)ؓ我(cai)司的主要产品Q(ben)优(chen)(zui)计,(ren)降(zhan)损耗,(ren)d(hui)压羃(rou)润I间Q(ben)屏(xi)(xi)(zhuo)讑֤(fei)(fei)造h(huan)以(chan)幅(fu)下调?