十堰房頂避雷針價(jià)格和諧共贏湖北乾元上風(fēng)電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="避雷針的覆蓋面積是多少據(jù)中國的規(guī)范規(guī)定，單支避雷針的保護(hù)范圍是一個(gè)錐體，高度為h的避雷針，其在地面上的保護(hù)半徑r=1.5h；在被保護(hù)物高度hx的水平面上，其保護(hù)半徑rx為：rx=(1.5h-2hx)P?！罢劬€法”是比較成熟的方法，在電力系統(tǒng)"><meta name="keywords" content="十堰房頂避雷針價(jià)格"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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href="http://www.cdcfah.com/cp/second-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/third-dgdq_kcdgdqcp/">庫存電工電氣產(chǎn)品</a>?十堰房頂避雷針價(jià)格和諧共贏湖北乾元上風(fēng)電氣供應(yīng)</p><div id="fpry3tv" class="leftbox clearfix"><h1>十堰房頂避雷針價(jià)格和諧共贏湖北乾元上風(fēng)電氣供應(yīng)</h1><div id="jdvnu2y" class="proBig"><div id="bgdumqx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372724610/4217025.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uobn8jb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372724610/4217025.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wkc8kkh" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>十堰房頂避雷針價(jià)格</p><p><span>***更新：</span>2020-05-22 17:33:23</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3w3vxev" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">湖北乾元上風(fēng)電氣工程有限公司</a></p><p><span>聯(lián)系人：</span>尹經(jīng)理</p><p><span>郵箱: </span></p><p><span>電話: </span>15671528728</p><p><span>傳真: </span>156_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>156-71528728</p><p><span>地址: </span>武漢市江岸區(qū)金橋大道金橋壹號(hào)1203</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cm2szar" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="po4rovs" class="box"><p><h1> <span style="font-size:16px;">避雷針的覆蓋面積是多少</span> </h1> <p> <br /> </p> <p> <span style="font-size:16px;">據(jù)中國的規(guī)范規(guī)定，單支避雷針的保護(hù)范圍是一個(gè)錐體，高度為h的避雷針，其在地面上的保護(hù)半徑r=1.5h；在被保護(hù)物高度hx的水平面上，其保護(hù)半徑rx為：rx=(1.5h-2hx)P。</span> </p> <p> <span style="font-size:16px;">“折線法”是比較成熟的方法，在電力系統(tǒng)又稱“規(guī)程法”，即單支避雷針的保護(hù)范圍是一個(gè)以避雷針為軸的折線圓錐體。</span> </p> <p> <span style="font-size:16px;">單支避雷針的保護(hù)范圍在DL/T620-997《交流電氣裝置的過電壓保護(hù)和絕緣配合》標(biāo)準(zhǔn)中有所規(guī)定；“滾球法”是國際電工會(huì)（IEC）推薦的接閃器保護(hù)范圍計(jì)算方法之一，十堰房頂避雷針價(jià)格。</span> </p> <p> <span style="font-size:16px;">我國建筑防雷規(guī)范GB50057-1994Z中也把“滾球法”強(qiáng)制作為計(jì)算避雷針保護(hù)范圍的方法，十堰房頂避雷針價(jià)格，十堰房頂避雷針價(jià)格。</span> </p> <p> <span style="font-size:16px;">滾球法是以hR為半徑的一個(gè)球體沿需要防止擊雷的部位滾動(dòng)，當(dāng)球體只觸及接閃器（包括被用作接閃器的金屬物）或只觸及接閃器和地面（包括與大地接觸并能承受雷擊的金屬物），而不觸及需要保護(hù)的部位時(shí)，則該部分就得到接閃器的保護(hù)。</span> </p> <span style="font-size:16px;"></span> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="十堰房頂避雷針價(jià)格" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372724610/4217025.jpg"></div><h1 style="text-align:center;"> <span style="font-size:16px;">避雷針安裝注意事項(xiàng)</span> </h1> <p> <span style="font-size:16px;"> 安裝避雷針必須遵守中華人民國家標(biāo)準(zhǔn)（GB50057—94）《建筑</span><span style="font-size:16px;">物防雷設(shè)計(jì)規(guī)范》，具體施工必須嚴(yán)格遵循國家標(biāo)準(zhǔn)（GB 50169—92）電氣裝置安裝工程接地裝置施工及驗(yàn)收規(guī)范，雷雨日不可進(jìn)行避雷針的安裝和檢測。</span> </p> <p> <span style="font-size:16px;">① 定貨時(shí)請告知您所選用的避雷針（塔）桿的技術(shù)參數(shù)，以便廠方給您選配更規(guī)范的互連過渡接頭安裝附件。</span> </p> <p> <span style="font-size:16px;">② 裝有避雷針的金屬筒內(nèi)體，當(dāng)其厚度不小于4mm時(shí)，可作避雷針的引下線。筒體底部應(yīng)有兩處與接地體對(duì)稱連接。</span> </p> <p> <span style="font-size:16px;">③ 建筑物L(fēng)的防雷設(shè)施采用多根引下線時(shí)，宜在各引下線距地面的1.5～1.8m處設(shè)置斷接卡，斷接卡應(yīng)加絕緣保護(hù)措施。容</span> </p> <p> <span style="font-size:16px;">④ 避雷針與引下線之間的連接應(yīng)采用焊接。</span> </p> <p> <span style="font-size:16px;">⑤ 避雷針其接地裝置，應(yīng)采取自下而上的施工程序。首先安裝集中接地裝置，后安裝引下線，安裝避雷針。</span> </p> <p> <span style="font-size:16px;">⑥ 安裝時(shí)請勿觸摸主接閃前列、主動(dòng)放電前列。</span> </p> <p> <span style="font-size:16px;">⑦ 產(chǎn)品設(shè)計(jì)使用壽命20年。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="十堰房頂避雷針價(jià)格" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372812500/1888634.jpg"></div><h1> <span style="font-size:16px;">避雷針安裝要挖地多深</span> </h1> <p> <span style="font-size:16px;">垂直接地體的間距不應(yīng)小于其長度的3～5倍。水平接地體的間距應(yīng)符合設(shè)計(jì)規(guī)定。當(dāng)無設(shè)計(jì)規(guī)定時(shí)不宜小于5m。除環(huán)形接地體外，接地體埋設(shè)位置應(yīng)在距建筑物3m以外。距建筑物出入口或人行道也應(yīng)大于3m，如小于3m時(shí)，應(yīng)采用均壓帶做法或在接地裝置上面敷設(shè)50～90mm厚度的瀝青層，其寬度應(yīng)超過接地裝置2m。</span> </p> <p> <span style="font-size:16px;">1、裝置避雷針是避免雷擊的有效方法。在房屋高處豎一金屬棒，棒下端連一條足夠粗的銅線，銅線下端連一塊金屬板埋入地下深處潮濕處。金屬棒的上端須是一個(gè)尖頭或分叉為幾個(gè)尖頭。有了這樣的裝置，當(dāng)空中有帶電的云時(shí)。</span> </p> <p> <span style="font-size:16px;">2、避雷針的前列因靜電感應(yīng)就集中了異種電荷，發(fā)生前列放電，與云內(nèi)的電相中和，避免發(fā)生激烈的雷電、這就是避雷針能避雷的一方面。但這種作用頗慢，如果云中積電很快，或一塊帶有大量電荷的云突然飛來，有時(shí)來不及按上述方式中和，于是有強(qiáng)烈的放電，加雷電仍會(huì)發(fā)生。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="十堰房頂避雷針價(jià)格" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372587891/689265.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/4494.html</p></div></div></div></div></div><div id="rbqczv3" class="page-right twoColRt"><div id="sr4kxub" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgqce8x" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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