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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426259766/8150720.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r2l783a" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426259766/8150720.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j3dwclb" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>咸寧塔頂避雷針廠家直銷,避雷針</p><p><span>***更新：</span>2021-02-07 10:07:04</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7vtzlza" 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="dcjqmdp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="uu8npgh" class="box"><p><h2> 避雷針的作用是什么 </h2> <p> <span style="font-size:16px;">避雷針，又名防雷針、接閃桿，是用來保護(hù)建筑物、高大樹木等避免雷擊的裝置。避雷針由接閃器、接地引下線和接地體 3部分組成，咸寧塔頂避雷針廠家直銷。接閃器通常采用直徑為 15～20mm，咸寧塔頂避雷針廠家直銷、長度為1～2m的圓鋼或鋼管，固定于支柱上端經(jīng)接地引下線與接地體連接。當(dāng)雷云對地放電通道發(fā)展到臨近地面時，咸寧塔頂避雷針廠家直銷，由于避雷針前列突出地面并有良好接地，在針尖附近的電場強(qiáng)度提高，聚積相反極性的電荷，引導(dǎo)放電。進(jìn)而防止建筑物或儀器蓄積過多電荷而遭受雷擊。一般來講，雷電并不會直接擊中避雷針，而避雷針本身如果被閃電擊中也有著融化及的危險。避雷針具有一定的保護(hù)作用.</span> 防雷避雷針安裝，湖北乾元上風(fēng)電氣供應(yīng)。咸寧塔頂避雷針廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="咸寧塔頂避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452426259766/8150720.jpg"></div><h2> 避雷針是如何避電的？ </h2> <p> <span style="font-size:16px;">防直擊雷裝置由接閃器、引下線和接地裝置三部分組成。接閃器就是大家通常所說的“避雷針”，它通過引下線和接地裝置與大地相連。避雷針高高聳立，高于被保護(hù)的所有物體，與雷云的距離近，所以，它易吸引雷電，雷電通過避雷針提供的放電通道泄放入地。這樣，雷擊雖然還是發(fā)生了，但總是擊向避雷針，而不是擊向要保護(hù)的物體，所以避雷針實(shí)際是引雷針。它將雷電吸引至自身，使雷電通過引下線至接地裝置而泄放到大地上，從而使保護(hù)對象免遭雷擊。現(xiàn)代避雷針是美國科學(xué)家富蘭克林發(fā)明的。富蘭克林認(rèn)為閃電是一種放電現(xiàn)象。為了證明這一點(diǎn)，他在1752年7月的一個雷雨天，冒著被雷擊的危險，和他的兒子一起，做了一個歷史上非常的雷電實(shí)驗(yàn)。他將一個系著長長金屬導(dǎo)線的風(fēng)箏放飛進(jìn)雷雨云中，在金屬線末端拴了一串銅鑰匙。當(dāng)雷電發(fā)生時，富蘭克林手接近鑰匙，鑰匙上迸出一串電火花，手上還有麻木感。幸虧這次傳下來的閃電比較弱，富蘭克林沒有受傷。這次試驗(yàn)非常成功，讓富蘭克林充分認(rèn)識了雷電的性質(zhì)，并由此發(fā)明了避雷針，首先在自己費(fèi)城的住宅安裝了避雷針。此后，避雷針便在世界上流行開來。</span> 荊門橋梁避雷針避雷針價格，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="咸寧塔頂避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372919922/6502836.jpg"></div><h2> 農(nóng)村民用樓房怎么安裝避雷針? </h2> <p> <span style="font-size:16px;">分時段安裝： 1、做基礎(chǔ)時，安裝接地極： 2、結(jié)構(gòu)施工時利用結(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，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，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，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電容器，由于它較尖，即這個電容器的兩極板正對面積很小，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，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，使其不對高層建筑構(gòu)成危險，保證了它的安全。</span> </p><h2> 避雷針一般多長. </h2> <p> <span style="font-size:16px;">用什么原理才不會被雷擊中避雷針從原理百上講，不是避雷，而是引雷，是引雷針。正是因?yàn)樗缺槐Ｗo(hù)物高，雷電流通過較高的避雷針入地，釋放較高的雷電壓，才使比避雷針低的建筑物或設(shè)度備不會被雷擊中，從而保護(hù)設(shè)備或建筑物的安全。知一般來說，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)性，避雷針大多建設(shè)在35米-45米之間。道用幾根避雷針，要看需要保護(hù)多大的范圍，如果需要保護(hù)的范圍較大，則專需要的避雷針數(shù)量就多，需要保護(hù)的范圍屬較小，則需要的避雷針數(shù)量就少，甚至1根就夠了。具體安裝數(shù)量，要通過計算及繪制避雷針保護(hù)范圍圖來確定。</span> 避雷針安裝，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="咸寧塔頂避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372587891/689265.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)計規(guī)定。當(dāng)無設(shè)計規(guī)定時不宜小于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，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尖頭或分叉為幾個尖頭。有了這樣的裝置，當(dāng)空中有帶電的云時。 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，有時來不及按上述方式中和，于是有強(qiáng)烈的放電，加雷電仍會發(fā)生。</span> 防雷避雷針安裝廠家，湖北乾元上風(fēng)電氣供應(yīng)。荊門橋梁避雷針</p><p style="text-indent:25px">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！咸寧塔頂避雷針廠家直銷</p><h2> 安裝避雷針需要注意的事項(xiàng) </h2> <p> <span style="font-size:16px;">（一）安裝避雷針時需要注意：（1）建筑物頂部的避雷針必須與頂部的其他金屬物體連成一個整體的電氣通路。（2）不得在避雷針構(gòu)架上架設(shè)低電壓線路或通訊線路。（二）安裝避雷帶和避雷網(wǎng)時需要注意： 1.明裝避雷帶（網(wǎng)）（1）在屋面混凝土支座上的安裝避雷帶（網(wǎng)）的支座既可以在施工過程中現(xiàn)場澆制，也可以預(yù)制再砌牢。（2）在女兒墻上的安裝沿女兒墻安裝時，要使用支架固定，盡量隨結(jié)構(gòu)施工預(yù)埋支架。若條件受到限制，在墻體施工時需預(yù)留不小于100mmx 100mmx 100mm的孔洞，且洞口的大小里外一致。直線段支架的水平間距應(yīng)為1-1.5m，垂直間距應(yīng)為1.5-2m，且支架間距應(yīng)該平均分布。女兒墻上設(shè)置的支架應(yīng)該與墻頂面垂直。 (3)在屋脊或檐口支座、支架上的安裝需要使用混凝土支座或支架固定。現(xiàn)場澆制支座的時候，首先把脊瓦敲去一角，使支座與脊瓦內(nèi)的砂漿連成一體；固定支架時，用電鉆將脊瓦鉆孔，再將支架插入孔內(nèi)，用水泥砂漿填塞牢固。支座和支架的水平間距為1-1.5m，轉(zhuǎn)彎處為0.25m-0.5m。</span> 咸寧塔頂避雷針廠家直銷</p><p style="text-indent:25px">湖北乾元上風(fēng)電氣工程有限公司主要經(jīng)營范圍是電工電氣，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)分為武漢防雷檢測，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)。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。湖北乾元上風(fēng)憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3203285.html</p></div></div></div></div></div><div id="v3p8vbn" class="page-right twoColRt"><div id="pe2yugh" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="88c4v8j" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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