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class="jyms"><p><span>簡(jiǎn)要描述：</span>BX7數(shù)顯式變阻器，本產(chǎn)品適用于交流50HZ，380V以下，直流440V以下的電路中，在電氣機(jī)械設(shè)計(jì)階段中作變更電流，電壓和作為代替未定電阻值的可變電阻器應(yīng)用。在實(shí)驗(yàn)室中作研究試驗(yàn)或教學(xué)演示用的電流、電壓調(diào)節(jié)器，以及作為發(fā)電設(shè)備和直流電動(dòng)機(jī)的勵(lì)磁、調(diào)速電阻等之用。</p></div> <ul> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>產(chǎn)品型號(hào)：</span></li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>廠商性質(zhì)：</span>生產(chǎn)廠家</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>更新時(shí)間：</span>2024-11-04</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>訪問(wèn) 量：</span>970</li> </ul> <div id="khwbikeckeb" class="pro_detail_btn"> <a href="/order.html" class="prodtl_btn1">產(chǎn)品咨詢(xún)</a><a href="/contact.html" class="prodtl_btn2">聯(lián)系我們</a> </div> </div> <div id="khwbikeckeb" class="clear"></div> </div>  </div> <div id="khwbikeckeb" class="lhtab"><span id="khwbikeckeb" class="on 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class="firstRow"><td><strong>數(shù)顯式變阻器 1</strong></td></tr><tr><td>本產(chǎn)品適用于交流50HZ，380V以下，直流440V以下的電路中，在電氣機(jī)械設(shè)計(jì)階段中作變更電流，電壓和作為代替未定電阻值的可變電阻器應(yīng)用。在實(shí)驗(yàn)室中作研究試驗(yàn)或教學(xué)演示用的電流、電壓調(diào)節(jié)器，以及作為發(fā)電設(shè)備和直流電動(dòng)機(jī)的勵(lì)磁、調(diào)速電阻等之用。</td></tr></tbody></table></div></td></tr></tbody></table></div></td></tr><tr><td style="word-break: break-all;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><strong style="margin: 0px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">一、主要特點(diǎn)：</span></span></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">1、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">選用優(yōu)質(zhì)</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">的電阻合金材料</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">,傳統(tǒng)工藝，可靠性強(qiáng)。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">2、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">在連續(xù)工作狀態(tài)下，溫漂較小，</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">散熱優(yōu)秀。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">3、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">阻值</span><span style="margin: 0px;">/電流連續(xù)可調(diào)，精度高。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">4、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">內(nèi)部結(jié)構(gòu)布局合理</span><span style="margin: 0px;">,操作簡(jiǎn)便實(shí)用。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: 仿宋; font-size: 16px;"><span style="margin: 0px;">通過(guò)串并聯(lián)的方法，可以任意組合，以適應(yīng)電壓、阻值等各種參數(shù)的要求，替換方便。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: 仿宋; font-size: 16px;"><span style="margin: 0px;"></span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255);"><strong style="margin: 0px;"><span style="margin: 0px; font-family: 仿宋; font-size: 16px;"><span style="margin: 0px;">三、使用方法：</span></span></strong><strong style="margin: 0px;"></strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">1、變阻器單臺(tái)產(chǎn)品在電路中可作串、并聯(lián)使用，也可多臺(tái)并機(jī)使用。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">2、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">滑線變阻器的結(jié)構(gòu)和符號(hào)如圖所示，電阻絲的兩頭分別接在瓷管兩端的</span><span style="margin: 0px;">A、B接線柱上，A、B之間的電阻即為總電阻。滑動(dòng)頭D可沿金屬桿滑動(dòng)，與電阻絲接觸良好，改變其位置就可以改變AC（或BC）電阻。額定電流和總電阻等參數(shù)均在銘牌上標(biāo)明。在電路中有兩種接法：</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">①限流接法：將變阻器的一個(gè)固定端和滑動(dòng)端接入電路，由于電阻可變，從而使電路中的電流發(fā)生變化。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">②分壓接法：將變阻器的兩個(gè)固定端分別與電源的兩極相連，由滑動(dòng)端和任一固定端連接到電路。由于電流通過(guò)變阻器的全部電阻絲，故A、B之間任意兩點(diǎn)都有電勢(shì)差。當(dāng)滑動(dòng)頭移動(dòng)時(shí)，就改變了電路的輸入電壓。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: Wingdings; font-size: 16px;">n </span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">注意：限流接法中，變阻器的滑動(dòng)頭應(yīng)放在電阻最大的位置；分壓接法中，變阻器的滑動(dòng)頭應(yīng)放在分壓最小的位置。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: 仿宋; font-size: 16px;"><span style="margin: 0px;"></span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); text-align: center;"><img src="https://img65.chem17.com/gxhpic_22d2937a21/77c625924666c37ae7890a4eeeeaebf0a531b0fec5c0bd36f3833de93e3c1da67fbcc720260c6aac.png" title="0S6ME@F(V5W@O8JSK.png" alt="0S6ME@F(V5W@O8JSK.png" style="margin: 0px; padding: 0px; border: 0px; max-width: 800px; max-height: 300%;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255);"><span style="margin: 0px; font-family: 仿宋; font-size: 16px;"><span style="margin: 0px;"></span></span><br style="margin: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: Wingdings; font-size: 16px;">n </span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">注意事項(xiàng)及維護(hù)：</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">１、請(qǐng)嚴(yán)格保證變阻器在額定電壓及電流值下使用。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">２、變阻器是易發(fā)熱元件，安裝時(shí)不宜靠近不能受熱的物體。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">３、變阻器配有</span><span style="margin: 0px;">M6的安裝孔及接地端子，保證使用時(shí)良好的接地。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">４、變阻器使用如發(fā)生接觸不良時(shí)，可在電刷接觸面移動(dòng)的康銅絲表面，除去氧化絕緣層，即可消除其現(xiàn)象。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">６、變阻器經(jīng)長(zhǎng)時(shí)間的連續(xù)使用后，如發(fā)現(xiàn)滑片失去壓力時(shí)，需拆下接觸系統(tǒng)，把接觸橋修正（矯直），重新裝上后，使電刷貼平于電阻絲表面，方可正常使用。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; white-space: normal; background-color: rgb(255, 255, 255); line-height: 21px;"><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">7、</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">安裝場(chǎng)所的空氣中不應(yīng)含化學(xué)腐蝕氣體和蒸氣</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">，</span></span><span style="margin: 0px; font-family: 仿宋; line-height: 24px; font-size: 16px;"><span style="margin: 0px;">無(wú)爆炸性塵埃。</span></span></p></td></tr><tr><td><br/></td></tr><tr><td><div id="khwbikeckeb" class="tabledivclass" style="width: 99%; height: 845px;"><table align="center" border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-spacing: 0px; width: 666.087px; max-width: 748px;"><tbody><tr class="firstRow"><td><br/><img 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