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id="xhogseq" class="leftbox clearfix"><h1>仙桃橋梁避雷針生產(chǎn)廠家誠信互利湖北乾元上風(fēng)電氣供應(yīng)</h1><div id="xrjvcjl" class="proBig"><div id="x38q92f" 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="sub7fx3" 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="yxegyv7" 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>仙桃橋梁避雷針生產(chǎn)廠家,避雷針</p><p><span>***更新：</span>2021-01-09 11:08:51</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b3r3ewt" 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="ot7ylh7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wahjqcj" class="box"><p><h2> 避雷針是誰發(fā)明的？ </h2> <p> <span style="font-size:16px;">避雷針是由美國科學(xué)家富蘭克林發(fā)明的富蘭克林在研究閃電與人工摩擦產(chǎn)生的電的一致性時(shí)，他就從兩者的類比中作出過這樣的推測(cè)：既然人工產(chǎn)生的電能被前列吸收，那么閃電也能被前列吸收。他由此設(shè)計(jì)了風(fēng)箏實(shí)驗(yàn)，而風(fēng)箏實(shí)驗(yàn)的成功反過來又證實(shí)了他的推測(cè)。他由此設(shè)想，若能在高物上安置一種前列裝置，就有可能把雷電引入地下。富蘭克林把一根數(shù)米長的細(xì)鐵棒固定在高大建筑物的頂端，在鐵棒與建筑物之間用絕緣體隔開。然后用一根導(dǎo)線與鐵棒底端連接。再將導(dǎo)線引入地下，仙桃橋梁避雷針生產(chǎn)廠家。富蘭克林把這種避雷裝置稱為避雷針。經(jīng)過試用，仙桃橋梁避雷針生產(chǎn)廠家，果然能起避雷的作用，仙桃橋梁避雷針生產(chǎn)廠家。</span> 避雷針價(jià)格，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)優(yōu)良！仙桃橋梁避雷針生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="仙桃橋梁避雷針生產(chǎn)廠家,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372724610/4217025.jpg"></div><h2> 避雷針是啥材料做的？ </h2> <p> <span style="font-size:16px;">有什么要求？ 1、所有金屬部件必須鍍鋅，操作時(shí)注意保護(hù)鍍鋅層。 2、采用鍍鋅鋼管管制作針尖知，管壁厚度不得小于3mm,針尖刷錫長度不得小于70mm 3、避雷針應(yīng)垂直安裝牢固。垂直度允許偏差為3/1000。 4、焊接要求焊接應(yīng)采用搭接焊，其搭接長度必須符合下列規(guī)定： 5、扁鋼為其寬度的2倍(且至少3個(gè)棱邊焊接)。 6、圓鋼為其直徑的6倍。 7、圓鋼與扁鋼連接時(shí)，其長度為圓鋼直徑的6倍。湖北乾元上風(fēng)電氣工程有限公司堅(jiān)持“安全為先、服務(wù)為先、信譽(yù)為先”的經(jīng)營宗旨，并以“質(zhì)量至上、注重實(shí)效”的原則貫穿于各項(xiàng)工程的設(shè)計(jì)和施工。</span> 仙桃橋梁避雷針生產(chǎn)廠家避雷針價(jià)格，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)有保證！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="仙桃橋梁避雷針生產(chǎn)廠家,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452432724610/5832678.jpg"></div><h2> 避雷針安裝要挖地多深 </h2> <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。 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)。 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><h2> 農(nóng)村民用樓房怎么安裝避雷針? </h2> <p> <span style="font-size:16px;">分時(shí)段安裝： 1、做基礎(chǔ)時(shí)，安裝接地極： 2、結(jié)構(gòu)施工時(shí)利用結(jié)構(gòu)內(nèi)鋼筋（或**型鋼）做引下線，與接地極連接，并預(yù)留與避雷帶的連接點(diǎn)； 3、裝修完成的同時(shí)，敷設(shè)避雷帶（或避雷針）。避雷針的原理：在雷雨天氣，高樓上空出現(xiàn)帶電云層時(shí)，避雷針和高樓頂部都被感應(yīng)上大量電荷，由于避雷針針頭是尖的，所以靜電感應(yīng)時(shí)，導(dǎo)體前列總是聚集了多的電荷。這樣，避雷針就聚集了大部分電荷。避雷針又與這些帶電云層形成了一個(gè)電容器，由于它較尖，即這個(gè)電容器的兩極板正對(duì)面積很小，電容也就很小，也就是說它所能容納的電荷很少。而它又聚集了大部分電荷，所以，當(dāng)云層上電荷較多時(shí)，避雷針與云層之間的空氣就很容易被擊穿，成為導(dǎo)體。這樣，帶電云層與避雷針形成通路，而避雷針又是接地的，避雷針就可以把云層上的電荷導(dǎo)入大地，使其不對(duì)高層建筑構(gòu)成危險(xiǎn)，保證了它的安全。</span> 避雷針安裝廠家，湖北乾元上風(fēng)電氣供應(yīng)，歡迎您來點(diǎn)電咨詢！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="仙桃橋梁避雷針生產(chǎn)廠家,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513374384766/628387.jpg"></div><h2> 避雷針的保護(hù)范圍是多少？ </h2> <p> <span style="display:none;"></span><span style="font-size:16px;">避雷針的工作原理就其本質(zhì)而言，避雷針不是避雷，而是利用其高聳空中的有利地來位，把雷電引向自身，承受雷擊。同時(shí)把雷電流泄入大地，起著保護(hù)其附源近比它矮的建筑物或設(shè)備免受雷擊的作用。簡單一點(diǎn)說，一級(jí)保護(hù)是以30米為半徑、二級(jí)保護(hù)是45米為半百徑、三級(jí)保護(hù)是60米為半徑做弧的保護(hù)范圍。計(jì)算方法避雷針的保護(hù)半徑與高度（h）有關(guān)，以及與所現(xiàn)的滾球半徑有關(guān)， D為滾球半徑（度閃擊距離）類建筑物為D＝30米第二類建筑物為D＝45米第三類建筑物為D＝60米保護(hù)范圍采用規(guī)范之計(jì)算公式： Rx=?{h(2hr-h)}-?{hx(2hr-hx)} 其中Rx為避雷針在距離地問面hx米處的保護(hù)半徑（米）； hr為滾球半徑,根據(jù)建筑物類別取值30、45、60； hx為被保護(hù)物的高度一般來說，避雷針越高，保護(hù)范圍就越大，保護(hù)效果也越好，但考慮到避雷針建設(shè)的安全性和經(jīng)濟(jì)答性，避雷針大多建設(shè)在35米-45米之間。</span> 防雷避雷針安裝，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)有保證！黃岡建筑物避雷針安裝廠家</p><p style="text-indent:25px">防雷避雷針安裝廠家，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)優(yōu)良值得推薦！仙桃橋梁避雷針生產(chǎn)廠家</p><h2> 安裝避雷針有哪些注意事項(xiàng)？ </h2> <p> <span style="font-size:16px;">安裝避雷針時(shí)，應(yīng)注意以下事項(xiàng)： 1、在選擇**避雷針的裝設(shè)地點(diǎn)時(shí)，應(yīng)使避雷針及其接地裝置與配電裝置之間抄保持以下規(guī)定的距離：在地面上，由**避雷針到配電裝置的導(dǎo)電部分以及到變電所電氣設(shè)備和構(gòu)架地部分間的空間距離不應(yīng)小于6m,在地下，由**避襲雷針本身的接地裝置與變電所接地網(wǎng)間近的地中距離一般不小于3m。 2、**避雷針的接地電阻一般不宜超過10Ω。 3、為了防止雷擊避雷針時(shí)，雷電波由電線傳入室內(nèi)，危及人身安全，所以不得在避雷針構(gòu)架上架設(shè)電壓線路或通信線路。裝有避雷針的構(gòu)架上的照明燈電源線，必須采用直埋于地下的帶金屬保護(hù)層的電纜或穿入金屬管的導(dǎo)線。電纜保護(hù)層或金屬管必百須接地，埋地長度在10m以上，方可與配電裝置的接地網(wǎng)連接，貨與電源線度、低壓配電裝置相連接。</span> 仙桃橋梁避雷針生產(chǎn)廠家</p><p style="text-indent:25px">湖北乾元上風(fēng)電氣工程有限公司位于武漢市江岸區(qū)金橋大道金橋壹號(hào)1203。公司業(yè)務(wù)分為武漢防雷檢測(cè)，變電站防雷接地，機(jī)房避雷針安裝，避雷針等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電工電氣良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2772792.html</p></div></div></div></div></div><div id="t3oi8zg" class="page-right twoColRt"><div id="rv7fpln" class="box01 margin10 clearfix"><h3><a 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