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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="la7mseq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472390664062/9492427.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wvhosj7" 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>麗水通用繼電器報(bào)價(jià),繼電器</p><p><span>***更新：</span>2020-12-21 11:22:36</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="jfcovm7" 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(kāi)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="2hyfwxo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="od8t3uw" 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，麗水通用繼電器報(bào)價(jià)。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，麗水通用繼電器報(bào)價(jià)。機(jī)械部分在不損壞的情況下，繼電器反復(fù)開(kāi)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，麗水通用繼電器報(bào)價(jià)。（5）電壽命。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、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)，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 /> 溫度繼電器的接線方法有哪些？麗水通用繼電器報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水通用繼電器報(bào)價(jià),繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472390664062/9492427.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 電磁式時(shí)間<strong>繼電器</strong> </p> <p> 繼電器是帶有延時(shí)機(jī)構(gòu)的螺管線圈式繼電器，具有交流和直流規(guī)格。繼電器的交流規(guī)格繼電器內(nèi)部裝有橋式整流器，將交流電源整流后供給電磁機(jī)構(gòu)，每臺(tái)繼電器具有兩副瞬時(shí)轉(zhuǎn)換觸點(diǎn)，一副滑動(dòng)延時(shí)觸點(diǎn)，一副延時(shí)主觸點(diǎn)。當(dāng)加電壓于線圈兩端時(shí)，唧子（鐵心）克服塔形彈簧的反作用力被吸入，瞬時(shí)轉(zhuǎn)換觸點(diǎn)進(jìn)行瞬時(shí)轉(zhuǎn)換，同時(shí)延時(shí)機(jī)構(gòu)啟動(dòng)，經(jīng)過(guò)一定的延時(shí)，然后閉合滑動(dòng)延時(shí)觸點(diǎn)和延時(shí)主觸點(diǎn)。主觸點(diǎn)接觸后由于上擋限制機(jī)構(gòu)的轉(zhuǎn)動(dòng)，機(jī)構(gòu)停止，從而得到所需延時(shí)。當(dāng)線圈斷電時(shí)，在塔形彈簧的作用下，使唧子和延時(shí)機(jī)構(gòu)返回原位。 </p> <p> 靜態(tài)時(shí)間繼電器 </p> <p> 繼電器通常不帶電，施加額定電壓后，繼電器內(nèi)部瞬動(dòng)繼電器動(dòng)作、同時(shí)晶振起振,產(chǎn)生時(shí)鐘脈沖，經(jīng)分頻后由計(jì)數(shù)器計(jì)脈沖數(shù)，當(dāng)所計(jì)脈沖數(shù)達(dá)到延時(shí)整定值時(shí)，觸發(fā)器翻轉(zhuǎn)，驅(qū)動(dòng)出口繼電器動(dòng)作，實(shí)現(xiàn)所需延時(shí)，由于采用了晶體振蕩器并增加時(shí)間補(bǔ)償預(yù)置電路，對(duì)于極短的延時(shí)值也嚴(yán)格符合整定值，具有極高的精度。 </p> <p> <br /> </p> <p> <br /> 麗水通用繼電器報(bào)價(jià)按繼電器的負(fù)載的分類。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水通用繼電器報(bào)價(jià),繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472390771484/2795355.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>繼電器</strong>的測(cè)試（一） </p> <p> 繼電器是智能預(yù)付費(fèi)電能表中的關(guān)鍵器件，繼電器的壽命在某種程度上決定了電表壽命，該器件性能好壞對(duì) </p> <p> 智能預(yù)付費(fèi)電能表運(yùn)行至關(guān)重要。而國(guó)內(nèi)、外繼電器生產(chǎn)廠家眾多，生產(chǎn)規(guī)模相差較大，技術(shù)水平相距懸殊，性能參數(shù)千差萬(wàn)別，因此，電能表生產(chǎn)廠家在繼電器檢測(cè)選型時(shí)必須有一套完善的檢測(cè)裝置，以保證電表質(zhì)量。同時(shí)，國(guó)家電網(wǎng)也加強(qiáng)了智能電能表內(nèi)繼電器性能參數(shù)抽樣檢測(cè)，同樣需要相應(yīng)的檢測(cè)設(shè)備，檢驗(yàn)不同廠家生產(chǎn)的電表質(zhì)量。然而，繼電器檢測(cè)設(shè)備不*檢測(cè)項(xiàng)目比較單一，檢測(cè)過(guò)程不能實(shí)現(xiàn)自動(dòng)化，檢測(cè)數(shù)據(jù)需要人工處理和分析，檢測(cè)結(jié)果具有各種隨機(jī)性、人為性，而且，檢測(cè)效率低，安全性也得不到保證。 </p> <p> <br /> </p> <p> <br /> </p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>繼電器</strong>的可靠性（一） </p> <p> 1、環(huán)境對(duì)繼電器可靠性的影響：繼電器工作在GB和SF下的平均故障間隔時(shí)間比較高，達(dá)到820000h，而在NU環(huán)境下，*60000h。 </p> <p> 2、質(zhì)量等級(jí)對(duì)繼電器可靠性的影響：當(dāng)選用A1質(zhì)量等級(jí)的繼電器時(shí)，平均故障間隔時(shí)間可達(dá)3660000h，而選用C等級(jí)的繼電器平均故障間隔時(shí)間為110000，其間相差33倍，可見(jiàn)繼電器的質(zhì)量等級(jí)對(duì)其可靠性能的影響非常大。 </p> <p> 3、觸點(diǎn)形式對(duì)繼電器可靠性的影響：繼電器的觸點(diǎn)形式也會(huì)對(duì)其可靠性產(chǎn)生影響，單擲型繼電器的可靠性都高于相同刀數(shù)的雙擲型繼電器，同時(shí)隨刀數(shù)的增加可靠性逐漸降低，單刀單擲繼電器的平均故障間隔時(shí)間是四刀雙擲繼電器的5.5倍。 </p> <p> 4、結(jié)構(gòu)類型對(duì)繼電器可靠性的影響：繼電器結(jié)構(gòu)類型共有24種，不同類型均對(duì)其可靠性產(chǎn)生影響。 </p> <p> <br /> </p> <p> <br /> 繼電器的符號(hào)表示方法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="麗水通用繼電器報(bào)價(jià),繼電器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360472391552734/8967440.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 振蕩器參數(shù)設(shè)置（七） </p> <p> 典型應(yīng)用控制線路分析 </p> <p> 在常規(guī)Y-△的電動(dòng)機(jī)控制線路中，時(shí)間繼電器的延時(shí)控制使電機(jī)在Y形啟動(dòng)切換至△形運(yùn)行起到有效的控制。 </p> <p> 按下Y-△控制回路啟動(dòng)按鈕SB2，時(shí)間繼電器KT得電，在得電的同時(shí)KT的瞬動(dòng)觸點(diǎn)對(duì)SB2形成自鎖，KM3接觸器線圈得電，KM3主觸頭閉合，其常開(kāi)輔助觸頭閉合，主回路KM1接觸器得電，主回路接通；KM3常閉輔助觸頭斷開(kāi)，確保接觸器KM3工作時(shí)，KM2不能投入工作，此時(shí)電動(dòng)機(jī)處于Y形啟動(dòng)狀態(tài)。 </p> <p> 當(dāng)時(shí)間繼電器KT延時(shí)到達(dá)后（KT的時(shí)間設(shè)置可根據(jù)所控制Y-△啟動(dòng)電動(dòng)機(jī)的功率來(lái)設(shè)定）。時(shí)間繼電器的延時(shí)常開(kāi)和延時(shí)常閉觸頭轉(zhuǎn)換，致使交流接觸器KM3線圈失電，主觸頭斷開(kāi)，交流接觸器KM2得電，其輔助觸頭對(duì)KM1、KT觸點(diǎn)進(jìn)行自鎖，保證交流接觸器KM2吸合工作，使電機(jī)在△形運(yùn)行。 </p> <p> <br /> </p> <p> <br /> 時(shí)間繼電器的抗電磁干擾措施。衢州時(shí)間繼電器哪家好</p><p style="text-indent:25px">電磁式繼電器的現(xiàn)實(shí)應(yīng)用有哪些？麗水通用繼電器報(bào)價(jià)</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> 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