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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://m.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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href="http://m.cdcfah.com/cp/third-dgdq_kcdgdqcp/">庫存電工電氣產品</a>?孝感別墅避雷針廠家哪家好誠信互利湖北乾元上風電氣供應</p><div id="3tul3gx" class="leftbox clearfix"><h1>孝感別墅避雷針廠家哪家好誠信互利湖北乾元上風電氣供應</h1><div id="rq38hew" class="proBig"><div id="srn7dub" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372812500/1888634.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zdacjvx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372812500/1888634.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nhfvqnz" 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>產品關鍵詞：</span>孝感別墅避雷針廠家哪家好,避雷針</p><p><span>***更新：</span>2021-01-07 08:05:33</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="ztg7mjg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">湖北乾元上風電氣工程有限公司</a></p><p><span>聯(lián)系人：</span>尹經理</p><p><span>郵箱: </span></p><p><span>電話: </span>15671528728</p><p><span>傳真: </span>156_</p><p><span>網址: </span></p><p><span>手機: </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="2ahew8x" class="page-proshow02"><p class="title">詳細說明</p><div id="fpwt229" 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，孝感別墅避雷針廠家哪家好。接閃器通常采用直徑為 15～20mm、長度為1～2m的圓鋼或鋼管，固定于支柱上端經接地引下線與接地體連接。當雷云對地放電通道發(fā)展到臨近地面時，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度提高，聚積相反極性的電荷，孝感別墅避雷針廠家哪家好，引導放電。進而防止建筑物或儀器蓄積過多電荷而遭受雷擊，孝感別墅避雷針廠家哪家好。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作用.</span> 防雷避雷針安裝公司，湖北乾元上風電氣供應。孝感別墅避雷針廠家哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孝感別墅避雷針廠家哪家好,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513372812500/1888634.jpg"></div><h2> 避雷針塔是怎樣避雷的？ </h2> <p> <span style="font-size:16px;">把建筑物中的金屬結構沿鋼筋連成一整體，構成一個大型金屬網籠。這種籠式避雷網既起屏蔽作用，又充當引下線，是一種更加經濟、美觀的安全的防雷方式。你到大街上轉一轉，可看到很多新樓的屋頂上不再有高聳的金屬桿和引下線了，那就是因為它們已用上籠式避雷網了。屋頂?shù)母鞣N金屬物都用導體連到籠式避雷網上。在屋頂四周還應布設一條金屬帶，稱避雷帶，把它與避雷網接上。安裝了避雷裝置的建筑物是否就萬無一失不遭雷擊了呢？那不一定。有些高大建筑物雖安裝了避雷裝置，但因接地線斷裂等原因而"有形無用"了。可見要確保避雷裝置發(fā)揮效能，不但要正確設計、正確安裝，還要經常保養(yǎng)，使它經常處于良好狀態(tài)，這樣一般就可免受雷害了。眾達小編在這里提醒大家：一定要重視科學，不要輕視避雷技術各種環(huán)節(jié)的科學原理。更不可自以為是地自行安裝避雷針，那是危險的，弄不好，反而會"引雷入室"，反倒遭了雷擊災禍，這種事例不少。</span> 隨州學校避雷針檢測避雷針廠家，湖北乾元上風電氣供應，品質優(yōu)良值得推薦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孝感別墅避雷針廠家哪家好,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232452424677735/7004600.jpg"></div><h2> 汽車安裝避雷針嗎 </h2> <p> <span style="font-size:16px;">汽車不安裝避雷針，但車殼是金屬的，因屏蔽作用，就算閃電擊中汽車，也不會傷人，因此，車廂是躲避雷擊的理想地方。汽車的輪胎絕緣性能相當好，雷電擊到汽車帶電，但電流傳不到地下形不成回路，不會對人和汽車造成危害。汽車的輪胎外帶有水或其它導電性物質，有的帶有防靜電接地線。雷電擊到汽車帶電，電流有從金屬表面流動的特性，不會對人產生危害。電流就通過汽車表面?zhèn)鞯綆в兴蚱渌鼘щ娦晕镔|的輪胎，帶有防靜電接地線傳到地下形成回路，不會對人和汽車造成危害。</span> </p><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尖頭或分叉為幾個尖頭。有了這樣的裝置，當空中有帶電的云時。避雷針的前列因靜電感應就集中了異種電荷，發(fā)生前列放電，與云內的電相中和，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，于是有強烈的放電，加雷電仍會發(fā)生。但這時由于避雷針高過周圍物體，它的前列又集中了與云中電異號的電荷，如果雷電是在云和地面物之間發(fā)生，放電電流主要通過避雷針流入大地，因此，不會打在房屋或附近人的身上，只會打在避雷針上了。由此可見，避雷針的前列放電作用會減少地面物與云之間打雷的可能性；到了不可避免時，它自己就負擔了雷的打擊，房屋與人得到了安全。由于避雷針的構造和作用，我們要特別注意保持避雷針的良好導電性。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隔離的導電系統(tǒng)。</span> 防雷避雷針安裝廠家，湖北乾元上風電氣供應，品質優(yōu)良！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="孝感別墅避雷針廠家哪家好,避雷針" src="https://tyunfile.71360.com/UploadFile/hbqysf/637232513374277344/5446338.jpg"></div><h2> 城市有避雷針 </h2> <p> <span style="font-size:16px;">家中是否也要安裝避雷針據調查，雷擊對電子電器設備的損壞始終高居雷電傷害榜*位，由雷電所引發(fā)的家用電器壽命降低、故障不斷、擊毀擊壞等情況越來越普遍，甚至還會造成人員傷亡，嚴重威脅到人們的財產和生命安全。因此，防止家電夏季被“雷”,其實遠遠比防暑更重要! 避雷針其實不“避雷” 通常情況下，城市建筑一般都會安裝避雷針，許多人以為有了避雷針，就可以不用再操心“防雷”問題，事實上并非如此! (遭遇雷擊后的電視機殘骸) 雷電有直擊雷和感應雷之分。在家用電器的使用過程中，插座是一個防雷關口，要保護電器不被雷擊損害，就一定要使用具備防雷功能的專業(yè)插座。目前，市面上的一些防雷插座存在著較嚴重的質量問題，如防雷技術不成熟;使用質量低劣(三無產品:無廠家、無參數(shù)、無證書)的防雷元器件;未經專業(yè)防雷檢測機構的檢驗……等等，不僅防雷性能無法得到保證，甚至還存在更大的安全。</span> 防雷避雷針安裝公司，湖北乾元上風電氣供應，歡迎您來點電咨詢！孝感別墅避雷針廠家哪家好</p><p style="text-indent:25px">防雷避雷針廠家，湖北乾元上風電氣供應，品質優(yōu)良值得推薦！孝感別墅避雷針廠家哪家好</p><h2> 安裝避雷針需要注意的事項 </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）不得在避雷針構架上架設低電壓線路或通訊線路。（二）安裝避雷帶和避雷網時需要注意： 1.明裝避雷帶（網）（1）在屋面混凝土支座上的安裝避雷帶（網）的支座既可以在施工過程中現(xiàn)場澆制，也可以預制再砌牢。（2）在女兒墻上的安裝沿女兒墻安裝時，要使用支架固定，盡量隨結構施工預埋支架。若條件受到限制，在墻體施工時需預留不小于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為1-1.5m，垂直間距應為1.5-2m，且支架間距應該平均分布。女兒墻上設置的支架應該與墻頂面垂直。 (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?，F(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，用水泥砂漿填塞牢固。支座和支架的水平間距為1-1.5m，轉彎處為0.25m-0.5m。</span> 孝感別墅避雷針廠家哪家好</p><p style="text-indent:25px">湖北乾元上風電氣工程有限公司是一家電力工程、環(huán)保工程、建筑工程、鋼結構工程、樓宇智能化工程、防雷工程、安防工程、園林工程、裝飾裝修工程的設計、施工與維護；禮儀服務；電子產品、機械設備、教學設備、電力設備、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、消防設施工設計與施工；電子設備、機電設備工程的安裝服務；房屋建筑工程、土方工程；裝卸搬運服務。（依法須經審批的項目，經相關部門審批后方可開展經營活動）的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。湖北乾元上風深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的武漢防雷檢測，變電站防雷接地，機房避雷針安裝，避雷針。湖北乾元上風不斷開拓創(chuàng)新，追求出色，以技術為先導，以產品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。湖北乾元上風始終關注電工電氣市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2741745.html</p></div></div></div></div></div><div id="bqh8sul" class="page-right twoColRt"><div id="vkwol7r" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vpgnpbn" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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