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class="leftbox clearfix"><h1>舟山監(jiān)測(cè)繼電器品牌誠(chéng)信經(jīng)營(yíng) 杭州浩蘊(yùn)自動(dòng)化科技供應(yīng)</h1><div id="cb3x2tq" class="proBig"><div id="txoqht2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472391552734/8967440.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8neq7b7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472391552734/8967440.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="smtlcj7" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>舟山監(jiān)測(cè)繼電器品牌,繼電器</p><p><span>***更新：</span>2021-01-06 06:07:03</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zyfxo3t" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州浩蘊(yùn)自動(dòng)化科技有限公司</a></p><p><span>聯(lián)系人：</span>謝凱浩</p><p><span>郵箱: </span>1017004522@qq.com</p><p><span>電話: </span>13817446397</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0571-85385963</p><p><span>地址: </span>經(jīng)濟(jì)技術(shù)開發(fā)區(qū)18號(hào)大街795號(hào)1幢11層1109室</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="rb3xwxz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="y7nfbne" class="box"><p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>繼電器</strong>的測(cè)試（三） </p> <p> 主要測(cè)試項(xiàng)目簡(jiǎn)單介紹如下：（1）動(dòng)作值。繼電器動(dòng)作時(shí)所需電壓值。（2）觸點(diǎn)接觸電阻。觸電閉合時(shí)，兩觸頭之間的電阻值。（3）機(jī)械壽命。機(jī)械部分在不損壞的情況下，繼電器反復(fù)開關(guān)動(dòng)作次數(shù)。（4）觸點(diǎn)接觸電壓。觸電閉合時(shí)，觸電回路中施加一定負(fù)載電流，觸點(diǎn)間電壓值。（5）電壽命，舟山監(jiān)測(cè)繼電器品牌。繼電器驅(qū)動(dòng)線圈兩端施加額定電壓，觸點(diǎn)回路中施加額定阻性負(fù)載時(shí)，每小時(shí)循環(huán)小于300次，舟山監(jiān)測(cè)繼電器品牌、占空比1∶4條件下，繼電器的可靠動(dòng)作次數(shù)。（6）過(guò)負(fù)荷能力。繼電器驅(qū)動(dòng)線圈兩端施加額定電壓，觸點(diǎn)回路中施加1．5倍額定負(fù)載時(shí)，舟山監(jiān)測(cè)繼電器品牌，動(dòng)作頻率（10±1）次/分條件下，繼電器可靠動(dòng)作次數(shù)。 </p> <p> <br /> </p> <p> <br /> 溫度繼電器的選型方法有哪些？舟山監(jiān)測(cè)繼電器品牌</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山監(jiān)測(cè)繼電器品牌,繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472391552734/8967440.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 熱<strong>繼電器</strong>的工作原理（一） </p> <p> 熱繼電器是用于電動(dòng)機(jī)或其它電氣設(shè)備、電氣線路的過(guò)載保護(hù)的保護(hù)電器。 </p> <p> 電動(dòng)機(jī)在實(shí)際運(yùn)行中，如拖動(dòng)生產(chǎn)機(jī)械進(jìn)行工作過(guò)程中，若機(jī)械出現(xiàn)不正常的情況或電路異常使電動(dòng)機(jī)遇到過(guò)載，則電動(dòng)機(jī)轉(zhuǎn)速下降、繞組中的電流將增大，使電動(dòng)機(jī)的繞組溫度升高。若過(guò)載電流不大且過(guò)載的時(shí)間較短，電動(dòng)機(jī)繞組不超過(guò)允許溫升，這種過(guò)載是允許的。但若過(guò)載時(shí)間長(zhǎng)，過(guò)載電流大，電動(dòng)機(jī)繞組的溫升就會(huì)超過(guò)允許值，使電動(dòng)機(jī)繞組老化，縮短電動(dòng)機(jī)的使用壽命，嚴(yán)重時(shí)甚至?xí)闺妱?dòng)機(jī)繞組燒毀。所以，這種過(guò)載是電動(dòng)機(jī)不能承受的。熱繼電器就是利用電流的熱效應(yīng)原理，在出現(xiàn)電動(dòng)機(jī)不能承受的過(guò)載時(shí)切斷電動(dòng)機(jī)電路，為電動(dòng)機(jī)提供過(guò)載保護(hù)的保護(hù)電器。 </p> <p> <br /> </p> <p> <br /> 舟山監(jiān)測(cè)繼電器品牌速度繼電器的接線方法有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山監(jiān)測(cè)繼電器品牌,繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472391220703/3116341.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>繼電器</strong>的測(cè)試（二） </p> <p> 近兩年來(lái)，國(guó)家電網(wǎng)逐步規(guī)范了電表技術(shù)要求，制定相關(guān)行業(yè)標(biāo)準(zhǔn)以及技術(shù)規(guī)范，這為繼電器參數(shù)檢測(cè)提出了一些技術(shù)難題，如繼電器的負(fù)載通斷能力、開關(guān)特性測(cè)試等。因此，迫切需要研究一種設(shè)備，實(shí)現(xiàn)繼電器性能參數(shù)的綜合檢測(cè)。 </p> <p> 根據(jù)繼電器性能參數(shù)測(cè)試要求，測(cè)試項(xiàng)目可以分為兩大類，一是不帶負(fù)載電流的測(cè)試項(xiàng)目，如動(dòng)作值、觸點(diǎn)接觸電阻、機(jī)械壽命；二是帶負(fù)載電流的測(cè)試項(xiàng)目，如觸點(diǎn)接觸電壓、電壽命、過(guò)負(fù)荷能力。 </p> <p> <br /> </p> <p> <br /> </p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 時(shí)間<strong>繼電器</strong>的類型特點(diǎn)（三） </p> <p> 吸引線圈斷電后，繼電器依靠恢復(fù)彈簧的作用而復(fù)原?？諝饨?jīng)出氣孔被迅速排出。 </p> <p> 時(shí)間繼電器：當(dāng)加上或除去輸入信號(hào)時(shí)，輸出部分需延時(shí)或限時(shí)到規(guī)定的時(shí)間才閉合或斷開其被控線路的繼電器。 </p> <p> 分類 </p> <p> a,電磁時(shí)間繼電器：當(dāng)線圈加上信號(hào)后，通過(guò)減緩電磁鐵的磁場(chǎng)變化而后的延時(shí)的時(shí)間繼電器。 </p> <p> b,電子時(shí)間繼電器：由分立元件組成的電子延時(shí)線路所構(gòu)成的時(shí)間繼電器，或由固體延時(shí)線路構(gòu) </p> <p> 成的時(shí)間繼電器。 </p> <p> c,混合式時(shí)間繼電器：由電子或固體延時(shí)線路和電磁繼電器組合構(gòu)成的時(shí)間繼電器。 </p> <p> <br /> </p> <p> <br /> 繼電器主要的功能有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山監(jiān)測(cè)繼電器品牌,繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472390732422/8771042.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 時(shí)間<strong>繼電器</strong>的工作原理 </p> <p> 在交流電路中常采用空氣阻尼型時(shí)間繼電器,它是利用空氣通過(guò)小孔節(jié)流的原理來(lái)獲得延時(shí)動(dòng)作的。它由電磁系統(tǒng)、延時(shí)機(jī)構(gòu)和觸點(diǎn)三部分組成。 </p> <p> 時(shí)間繼電器可分為通電延時(shí)型和斷電延時(shí)型兩種類型。 </p> <p> 空氣阻尼型時(shí)間繼電器的延時(shí)范圍大(有0.4～60s和0.4～180s兩種)，它結(jié)構(gòu)簡(jiǎn)單,但準(zhǔn)確度較低。 </p> <p> 當(dāng)線圈通電（電壓規(guī)格有ac380v、ac220v或dc220v、dc24v等）時(shí)，銜鐵及托板被鐵心吸引而瞬時(shí)下移，使瞬時(shí)動(dòng)作觸點(diǎn)接通或斷開。但是活塞桿和杠桿不能同時(shí)跟著銜鐵一起下落，因?yàn)榛钊麠U的上端連著氣室中的橡皮膜，當(dāng)活塞桿在釋放彈簧的作用下開始向下運(yùn)動(dòng)時(shí)，橡皮膜隨之向下凹,上面空氣室的空氣變得稀薄而使活塞桿受到阻尼作用而緩慢下降。經(jīng)過(guò)一定時(shí)間，活塞桿下降到一定位置，便通過(guò)杠桿推動(dòng)延時(shí)觸點(diǎn)動(dòng)作，使動(dòng)斷觸點(diǎn)斷開，動(dòng)合觸點(diǎn)閉合。從線圈通電到延時(shí)觸點(diǎn)完成動(dòng)作，這段時(shí)間就是繼電器的延時(shí)時(shí)間。延時(shí)時(shí)間的長(zhǎng)短可以用螺釘調(diào)節(jié)空氣室進(jìn)氣孔的大小來(lái)改變。吸引線圈斷電后，繼電器依靠恢復(fù)彈簧的作用而復(fù)原?？諝饨?jīng)出氣孔被迅速排出。 </p> <p> <br /> </p> <p> <br /> 電磁式繼電器的類型特點(diǎn)有哪些？舟山監(jiān)測(cè)繼電器品牌</p><p style="text-indent:25px">中間繼電器的類型特點(diǎn)有哪些？舟山監(jiān)測(cè)繼電器品牌</p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 時(shí)間<strong>繼電器</strong>的類型特點(diǎn)（一） </p> <p> 特點(diǎn) </p> <p> 1、空氣阻尼式時(shí)間繼電器又稱為氣囊式時(shí)間繼電器，它是根據(jù)空氣壓縮產(chǎn)生的阻力來(lái)進(jìn)行延時(shí)的，其結(jié)構(gòu)簡(jiǎn)單，價(jià)格便宜，延時(shí)范圍大（0.4~180s），但延時(shí)精確度低。 </p> <p> 2、電磁式時(shí)間繼電器延時(shí)時(shí)間短（0.3~1.6s），但它結(jié)構(gòu)比較簡(jiǎn)單，通常用在斷電延時(shí)場(chǎng)合和直流電路中。 </p> <p> 3、電動(dòng)式時(shí)間繼電器的原理與鐘表類似，它是由內(nèi)部電動(dòng)機(jī)帶動(dòng)減速齒輪轉(zhuǎn)動(dòng)而獲得延時(shí)的。這種繼電器延時(shí)精度高，延時(shí)范圍寬（0.4~72h），但結(jié)構(gòu)比較復(fù)雜，價(jià)格很貴。 </p> <p> 4、晶體管式時(shí)間繼電器又稱為電子式時(shí)間繼電器，它是利用延時(shí)電路來(lái)進(jìn)行延時(shí)的。這種繼電器精度高，體積小。 </p> <p> <br /> </p> <p> <br /> 舟山監(jiān)測(cè)繼電器品牌</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2725038.html</p></div></div></div></div></div><div id="v7aseg8" class="page-right twoColRt"><div id="y7dfme3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3x8y7p8" class="recomPic likePro"><a href="http://www.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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