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href="http://m.cdcfah.com/cp/third-dgdq_kcdgdqcp/">庫(kù)存電工電氣產(chǎn)品</a>?宜昌通信避雷針廠家直銷鑄造輝煌湖北乾元上風(fēng)電氣供應(yīng)</p><div id="7wn8lvr" class="leftbox clearfix"><h1>宜昌通信避雷針廠家直銷鑄造輝煌湖北乾元上風(fēng)電氣供應(yīng)</h1><div id="tcjfwx2" class="proBig"><div id="nf3e97h" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513373056641/8168154.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gpwdzqh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513373056641/8168154.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v2rnoam" 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>宜昌通信避雷針廠家直銷,避雷針</p><p><span>***更新：</span>2020-12-17 12:12:53</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="sbxy8uy" 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="7bn38hd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="g3zqurd" class="box"><p><h2> 避雷針是什么樣子？ </h2> <p> <span style="font-size:16px;">避雷針是保護(hù)建筑物等避免雷擊的裝置。在高大建筑物頂端安裝一個(gè)金屬棒，用金屬線與埋在地下的一塊金屬板連接起來(lái)，利用金屬棒的前列放電，使云層所帶的電和地上的電逐漸中和。唐代《炙轂子》一書(shū)在記載了這樣一件事：漢朝時(shí)柏梁殿遭到火災(zāi)，宜昌通信避雷針廠家直銷，一位巫師建議，將一塊魚(yú)尾形狀的銅瓦放在層頂上，就可以主防止雷電所引起的天火。屋頂上所設(shè)置的魚(yú)尾開(kāi)頭的瓦飾，實(shí)際上兼作避雷之用，可認(rèn)為是現(xiàn)代避雷針的雛形。而早在以前，宜昌通信避雷針廠家直銷，中國(guó)已經(jīng)有了避雷針，一般以**為裝飾，宜昌通信避雷針廠家直銷，龍嘴里有避雷針頭。法國(guó)旅行家卡勃里歐別·戴馬甘蘭1688年所著的《中國(guó)新事》一書(shū)中記有：中國(guó)屋脊兩頭，都有一個(gè)仰起的**，龍口吐出曲折的金屬舌頭，伸向天空，舌根連結(jié)一根細(xì)的鐵絲，直通地下。這種奇妙的裝置，在發(fā)生雷電的時(shí)刻就大顯神通，若雷電擊中了屋宇，電流就會(huì)從龍舌沿線睛行至地底，避免雷電擊毀建筑物。這說(shuō)明，中國(guó)古代建筑上的如雷裝置，在大批量和結(jié)構(gòu)上已和現(xiàn)代避雷針基本相似。</span> 避雷針安裝價(jià)格，湖北乾元上風(fēng)電氣供應(yīng)。宜昌通信避雷針廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜昌通信避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513373056641/8168154.jpg"></div><h2> 建筑避雷針質(zhì)量企業(yè) </h2> <p> <span style="font-size:16px;">湖北乾元上風(fēng)電氣工程有限公司是一家專業(yè)從事防雷、接地、電氣設(shè)計(jì)的公司。公司員工均為多年從事防雷行業(yè)的人員，已在電信、電力、教育等多個(gè)行業(yè)承接過(guò)各種防雷接地工程。更多詳情歡迎來(lái)電咨詢。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(yíng)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。我們以質(zhì)量的技術(shù)力量和良好的服務(wù)態(tài)度為您的防雷工程提供多方面的解決方案和技術(shù)支持，做到科學(xué)設(shè)計(jì)、科學(xué)施工，多方面、安全、合理、經(jīng)濟(jì)的做好各類防雷建筑物的雷電防御及設(shè)備和人身的安全防護(hù)工作。以更好的工程質(zhì)量和服務(wù)態(tài)度回報(bào)社會(huì)及廣大客戶的信任與厚愛(ài)</span> 孝感避雷針安裝公司防雷避雷針，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)優(yōu)良！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜昌通信避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513374384766/628387.jpg"></div><h2> 裝置避雷針是避免雷擊的有效方法。 </h2> <p> <span style="font-size:16px;">在房屋處豎一金屬棒，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)。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(lái)，有時(shí)來(lái)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。但這時(shí)由于避雷針高過(guò)周圍物體，它的前列又集中了與云中電異號(hào)的電荷，如果雷電是在云和地面物之間發(fā)生，放電電流主要通過(guò)避雷針流入大地，因此，不會(huì)打在房屋或附近人的身上，只會(huì)打在避雷針上了。由此可見(jiàn)，避雷針的前列放電作用會(huì)減少地面物與云之間打雷的可能性；到了不可避免時(shí)，它自己就負(fù)擔(dān)了雷的打擊，房屋與人得到了安全。由于避雷針的構(gòu)造和作用，我們要特別注意保持避雷針的良好導(dǎo)電性。一旦有一處聯(lián)接不好，或斷了，斷口以上的一段就成為一個(gè)隔離的導(dǎo)電系統(tǒng)。</span> </p><h2> 避雷針的覆蓋面積是多少 </h2> <p> <span style="font-size:16px;">據(jù)中國(guó)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。 “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。單支避雷針的保護(hù)范圍在DL/T620-997《交流電氣裝置的過(guò)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(guó)際電工會(huì)（IEC）推薦的接閃器保護(hù)范圍計(jì)算方法之一。我國(guó)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。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> 避雷針價(jià)格，湖北乾元上風(fēng)電氣供應(yīng)，歡迎您來(lái)點(diǎn)電咨詢！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜昌通信避雷針廠家直銷,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372724610/4217025.jpg"></div><h2> 避雷針真的有用嗎？避雷針的作用？ </h2> <p> <span style="font-size:16px;">1.避雷針，又名防雷針、接閃桿，是用來(lái)保百護(hù)建筑物、高大樹(shù)木等避免雷擊的裝置。在被保護(hù)物頂端安裝一根接閃器，用符合規(guī)格導(dǎo)度線與埋在地下的泄流地網(wǎng)連接起來(lái)。避雷針規(guī)格必須符合GB標(biāo)準(zhǔn)，每一個(gè)防雷類別需要的避問(wèn)雷針高度規(guī)格都不一樣。 2.當(dāng)雷云放電接近地面時(shí)它使地面電場(chǎng)答發(fā)生畸變。在避雷針的頂端，形成局部電場(chǎng)集中的空間，以影響雷電先導(dǎo)放電的發(fā)展方向，引導(dǎo)雷電向避雷針?lè)烹?，專再通過(guò)接地引下線屬和接地裝置將雷電流引入大地，從而使被保護(hù)物體免遭雷擊。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(yíng)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。我們以質(zhì)量的技術(shù)力量和良好的服務(wù)態(tài)度為您的防雷工程提供多方面的解決方案和技術(shù)支持，做到科學(xué)設(shè)計(jì)、科學(xué)施工，多方面、安全、合理、經(jīng)濟(jì)的做好各類防雷建筑物的雷電防御及設(shè)備和人身的安全防護(hù)工作。以更好的工程質(zhì)量和服務(wù)態(tài)度回報(bào)社會(huì)及廣大客戶的信任與厚愛(ài)。</span> 避雷針安裝，湖北乾元上風(fēng)電氣供應(yīng)。黃岡變電站避雷針生產(chǎn)廠家</p><p style="text-indent:25px">防雷避雷針廠家，湖北乾元上風(fēng)電氣供應(yīng)，品質(zhì)優(yōu)良值得推薦！宜昌通信避雷針廠家直銷</p><h2> 避雷針又稱引雷針 </h2> <p> <span style="font-size:16px;">常規(guī)防雷電可分為防直擊雷電、防感應(yīng)雷電和綜合性防雷電。防直擊雷電的避雷裝置一般由三部分組成，即接閃器、引下線和接地體；接閃器又分為避雷針、避雷線、避雷帶、避雷網(wǎng)。以避雷針作為接閃器的防雷電原理是：避雷針通過(guò)導(dǎo)線接入地下，與地面形成等電位差，利用自身的高度，使電場(chǎng)強(qiáng)度增加到極限值的雷電云電場(chǎng)發(fā)生畸變，開(kāi)始電離并下行先導(dǎo)放電；避雷針在強(qiáng)電場(chǎng)作用下產(chǎn)生前列放電，形成向上先導(dǎo)放電；兩者會(huì)合形成雷電通路，隨之瀉入大地，達(dá)到避雷效果。實(shí)際上，避雷針是引雷針，可將周圍的雷電引來(lái)并提前放電，將雷電電流通過(guò)自身的接地導(dǎo)體傳向地面，避免保護(hù)對(duì)象直接遭雷擊。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(yíng)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。我們以質(zhì)量的技術(shù)力量和良好的服務(wù)態(tài)度為您的防雷工程提供多方面的解決方案和技術(shù)支持，做到科學(xué)設(shè)計(jì)、科學(xué)施工，多方面、安全、合理、經(jīng)濟(jì)的做好各類防雷建筑物的雷電防御及設(shè)備和人身的安全防護(hù)工作。以更好的工程質(zhì)量和服務(wù)態(tài)度回報(bào)社會(huì)及廣大客戶的信任與厚愛(ài)。</span> 宜昌通信避雷針廠家直銷</p><p style="text-indent:25px">湖北乾元上風(fēng)電氣工程有限公司是一家電力工程、環(huán)保工程、建筑工程、鋼結(jié)構(gòu)工程、樓宇智能化工程、防雷工程、安防工程、園林工程、裝飾裝修工程的設(shè)計(jì)、施工與維護(hù)；禮儀服務(wù)；電子產(chǎn)品、機(jī)械設(shè)備、教學(xué)設(shè)備、電力設(shè)備、五金電料的批發(fā)兼零售；市政公用工程施工、公路工程施工、消防設(shè)施工設(shè)計(jì)與施工；電子設(shè)備、機(jī)電設(shè)備工程的安裝服務(wù)；房屋建筑工程、土方工程；裝卸搬運(yùn)服務(wù)。（依法須經(jīng)審批的項(xiàng)目，經(jīng)相關(guān)部門審批后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。湖北乾元上風(fēng)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的武漢防雷檢測(cè)，變電站防雷接地，機(jī)房避雷針安裝，避雷針。湖北乾元上風(fēng)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。湖北乾元上風(fēng)始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使湖北乾元上風(fēng)在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2444097.html</p></div></div></div></div></div><div id="sgxo8am" class="page-right twoColRt"><div id="lam8mtk" class="box01 margin10 clearfix"><h3><a 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