電磁加熱器應用范(fan)圍(wei)：

1、塑(su)料(liao)橡(xiang)(xiang)膠(jiao)(jiao)行業，如：塑(su)料(liao)用(yong)(yong)吹膜(mo)機、拉(la)絲機、注塑(su)機，造粒(li)機，橡(xiang)(xiang)膠(jiao)(jiao)用(yong)(yong)擠(ji)出機、硫化機、電纜生(sheng)產擠(ji)出機等(deng)。

2、醫藥(yao)化(hua)(hua)工行(xing)業，如：醫藥(yao)專用輸(shu)液袋、塑料器材生產線，化(hua)(hua)工行(xing)業液體加熱輸(shu)送管道等等。

3、能源(yuan)、食品行業，如：原油輸送管(guan)道的(de)加熱(re)；食品機(ji)械，如：超貨機(ji)等(deng)需要電加熱(re)的(de)設備。

4、大功率商用電磁(ci)灶機芯(xin)。

5、建材(cai)行業，如：燃(ran)氣管(guan)生(sheng)產線(xian)(xian)(xian)、塑料(liao)(liao)管(guan)材(cai)生(sheng)產線(xian)(xian)(xian)、PE塑料(liao)(liao)硬(ying)質平(ping)網(wang)、土(tu)工網(wang)機(ji)組、自(zi)動中空成型機(ji)、PE蜂窩板生(sheng)產線(xian)(xian)(xian)、單雙壁波紋管(guan)擠出生(sheng)產線(xian)(xian)(xian)、復合(he)氣墊膜機(ji)組、PVC硬(ying)管(guan)、芯層發泡管(guan)生(sheng)產線(xian)(xian)(xian)、PP擠出透明片材(cai)生(sheng)產線(xian)(xian)(xian)、擠出聚苯(ben)乙烯發泡管(guan)材(cai)、PE纏繞膜機(ji)組。

6、印刷設備(bei)里的(de)干(gan)燥加熱(re)。

7、其(qi)它類(lei)似(si)行(xing)業(ye)加熱。

電(dian)(dian)磁(ci)(ci)加熱(re)(re)(re)(re)能(neng)省電(dian)(dian)的(de)(de)(de)原(yuan)因及(ji)效果：電(dian)(dian)磁(ci)(ci)加熱(re)(re)(re)(re)器的(de)(de)(de)原(yuan)理(li)是(shi)電(dian)(dian)磁(ci)(ci)感(gan)應加熱(re)(re)(re)(re)的(de)(de)(de)原(yuan)理(li)，它采用(yong)內(nei)部加熱(re)(re)(re)(re)的(de)(de)(de)方法，即(ji)讓材料(liao)自身(shen)發熱(re)(re)(re)(re)，而不是(shi)傳遞熱(re)(re)(re)(re)量，它是(shi)通過電(dian)(dian)、磁(ci)(ci)和(he)(he)熱(re)(re)(re)(re)之間的(de)(de)(de)能(neng)量轉換來達(da)到加熱(re)(re)(re)(re)材料(liao)的(de)(de)(de)目的(de)(de)(de)。此外(wai)，還有包裝20Mm厚的(de)(de)(de)保(bao)溫棉外(wai)容器的(de)(de)(de)材料(liao)。可以(yi)說(shuo)，電(dian)(dian)磁(ci)(ci)感(gan)應加熱(re)(re)(re)(re)過程中(zhong)存在的(de)(de)(de)熱(re)(re)(re)(re)量損失很低，熱(re)(re)(re)(re)能(neng)利用(yong)率(lv)高達(da)98%。相反，電(dian)(dian)磁(ci)(ci)感(gan)應加熱(re)(re)(re)(re)的(de)(de)(de)節(jie)電(dian)(dian)效果是(shi)相當可觀的(de)(de)(de)，用(yong)電(dian)(dian)磁(ci)(ci)輻(fu)射熱(re)(re)(re)(re)利用(yong)率(lv)的(de)(de)(de)高值(zhi)和(he)(he)低值(zhi)減去電(dian)(dian)阻加熱(re)(re)(re)(re)的(de)(de)(de)小值(zhi)和(he)(he)大值(zhi)，就可以(yi)從(cong)電(dian)(dian)磁(ci)(ci)加熱(re)(re)(re)(re)中(zhong)獲得種(zhong)節(jie)約(yue)電(dian)(dian)量。

電磁(ci)加熱器的(de)全橋和半橋的(de)應用(yong)表現的(de)同(tong)異：

、據(ju)各自的電路(lu)原理的差別(bie)決定：相(xiang)同：均可(ke)達(da)到使得(de)相(xiang)應料筒(tong)自身快速發熱產(chan)生(sheng)高溫，用于(yu)加工塑料的功用。

二、功率段(duan)表現上不同：

1、全橋：對應檔位功率(lv)分配清晰、明確，反(fan)應迅(xun)速。

2、半橋：對(dui)應(ying)檔位功(gong)率分配較模糊，反(fan)應(ying)相對(dui)合理。

三、發熱面表現上：

1、全橋：因可負載負荷較(jiao)高(gao)，發熱(re)面(mian)較(jiao)大、較(jiao)均勻、層次感能做(zuo)到循序遞(di)減，火焰仿(fang)真(zhen)效果明顯。

2、半橋：因可負載(zai)負荷(he)較低，發(fa)熱面較小、均勻(yun)性稍遜、層次感分明，火焰仿真效果稍遜。

電(dian)磁感應加熱器使用過(guo)程中線(xian)圈(quan)溫度過(guo)高(gao)原(yuan)因：

1、電磁(ci)(ci)加熱器的(de)(de)高(gao)溫(wen)(wen)電纜線徑小：不(bu)同功率的(de)(de)電磁(ci)(ci)加熱控制器配備的(de)(de)高(gao)溫(wen)(wen)電纜的(de)(de)線徑不(bu)同，是因為所要輸送(song)的(de)(de)量(liang)不(bu)同，如果通道過窄，單位空(kong)間內承載(zai)的(de)(de)量(liang)超過了它本身的(de)(de)能(neng)力(li)的(de)(de)話，散發的(de)(de)熱量(liang)自然(ran)也就會比正常的(de)(de)要高(gao)。

2、電(dian)磁加熱(re)控制器的保(bao)溫棉薄：為了充分發揮(hui)保(bao)溫棉保(bao)溫、隔熱(re)的效果(guo)，保(bao)溫棉的厚(hou)度通(tong)常(chang)在15-25mm左右，如(ru)果(guo)厚(hou)度過小，料筒(tong)熱(re)量散失的就多，那高溫線纜(lan)的溫度也(ye)就會(hui)高;相(xiang)反，如(ru)果(guo)保(bao)溫棉厚(hou)度過大的話，就會(hui)影響高溫線纜(lan)的電(dian)磁感應效果(guo)，造成電(dian)熱(re)轉換率(lv)低，影響設備的工作效率(lv)。

3、電(dian)(dian)(dian)磁加(jia)熱器的線(xian)圈(quan)纏繞數(shu)少：電(dian)(dian)(dian)磁加(jia)熱器表面線(xian)圈(quan)纏繞的圈(quan)數(shu)與電(dian)(dian)(dian)感(gan)量(liang)(liang)大小(xiao)成正比，線(xian)圈(quan)小(xiao)的話，電(dian)(dian)(dian)感(gan)量(liang)(liang)也就(jiu)小(xiao)，那么電(dian)(dian)(dian)磁加(jia)熱控制器就(jiu)要輸出更多的電(dian)(dian)(dian)流才能達(da)到加(jia)熱的效果，高溫電(dian)(dian)(dian)纜承載的量(liang)(liang)就(jiu)會多，散發的熱量(liang)(liang)也就(jiu)高。

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)對(dui)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)行業的(de)作用(yong)(yong)(yong)(yong)：當(dang)今世界使用(yong)(yong)(yong)(yong)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)的(de)途徑有(you)三種：燃燒(shao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)和(he)其它(ta)能(neng)(neng)源加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)，當(dang)然前兩種是(shi)(shi)如(ru)今主要，也是(shi)(shi)常用(yong)(yong)(yong)(yong)的(de)物料加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)方(fang)式(shi)。但(dan)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)方(fang)式(shi)又比(bi)燃燒(shao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)方(fang)式(shi)清潔(jie)衛生(sheng)、熱(re)(re)(re)(re)效(xiao)率高(可(ke)達85%-95%)、安全、可(ke)調(diao)節、系統簡(jian)便(bian)等(deng)優點。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)應(ying)用(yong)(yong)(yong)(yong)域(yu)廣泛，大致可(ke)以分(fen)為民用(yong)(yong)(yong)(yong)和(he)工(gong)業用(yong)(yong)(yong)(yong)兩種應(ying)用(yong)(yong)(yong)(yong)域(yu)。民用(yong)(yong)(yong)(yong)域(yu)主要包(bao)括空調(diao)、洗衣機、熱(re)(re)(re)(re)水(shui)(shui)器(qi)(qi)等(deng)大家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)及豆漿機、飲(yin)水(shui)(shui)機等(deng)小家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，應(ying)用(yong)(yong)(yong)(yong)于(yu)民用(yong)(yong)(yong)(yong)域(yu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)往(wang)往(wang)是(shi)(shi)標(biao)(biao)準件，單位價值相(xiang)對(dui)較(jiao)(jiao)低但(dan)批量(liang)(liang)較(jiao)(jiao)大;工(gong)業用(yong)(yong)(yong)(yong)域(yu)主要包(bao)括多晶硅(gui)生(sheng)產(chan)、石油天然氣開采(cai)、石化(hua)化(hua)工(gong)等(deng)域(yu)，應(ying)用(yong)(yong)(yong)(yong)于(yu)工(gong)業域(yu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)往(wang)往(wang)是(shi)(shi)工(gong)業生(sheng)產(chan)系統的(de)部(bu)分(fen)，是(shi)(shi)非標(biao)(biao)準件，對(dui)性(xing)能(neng)(neng)要求高，單位價值和(he)利潤相(xiang)對(dui)較(jiao)(jiao)高。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)有(you)使用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)絲(si)的(de)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)絲(si)初裝(zhuang)成(cheng)本(ben)低，壽命(ming)(ming)短，維護麻(ma)煩，耗(hao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)大。而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)效(xiao)率高，能(neng)(neng)節省大量(liang)(liang)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)，壽命(ming)(ming)長。

哪些(xie)因素會(hui)導致(zhi)電磁加熱器發生故(gu)障(zhang)？

：電(dian)(dian)(dian)磁加熱(re)器電(dian)(dian)(dian)路(lu)設計不(bu)科學。目前，在大(da)(da)(da)(da)功率(lv)電(dian)(dian)(dian)磁加熱(re)電(dian)(dian)(dian)路(lu)系統中，大(da)(da)(da)(da)部分廠家(jia)采用(yong)過(guo)去的(de)(de)傳統模(mo)擬3525或494電(dian)(dian)(dian)路(lu)，產(chan)生(sheng)兩路(lu)或四路(lu)PWM，采用(yong)調頻方法(fa)驅動IGBT，改(gai)變諧振回電(dian)(dian)(dian)流大(da)(da)(da)(da)小來達到調節(jie)功率(lv)大(da)(da)(da)(da)小的(de)(de)目的(de)(de)，再(zai)采用(yong)4046進行鎖(suo)相(xiang)控(kong)制，在工業(ye)上加熱(re)應用(yong)已經很普遍，技術(shu)也比較成(cheng)熟(shu)。但(dan)是(shi)，它的(de)(de)硬件電(dian)(dian)(dian)路(lu)復(fu)雜，所(suo)以大(da)(da)(da)(da)多體積龐大(da)(da)(da)(da)，也不(bu)便于(yu)生(sheng)產(chan)和調試(shi)，特別是(shi)容易(yi)由(you)于(yu)所(suo)選用(yong)的(de)(de)器件特性差異，致(zhi)使電(dian)(dian)(dian)源致(zhi)性差，工作中生(sheng)產(chan)的(de)(de)高(gao)強的(de)(de)電(dian)(dian)(dian)磁干(gan)擾時，鎖(suo)相(xiang)或保(bao)護部分容易(yi)失靈，容易(yi)造成(cheng)故障。

二：電(dian)(dian)(dian)(dian)(dian)力(li)器(qi)件(jian)布(bu)局不合(he)理(li)(li)。在大(da)功(gong)(gong)率(lv)(lv)工業電(dian)(dian)(dian)(dian)(dian)磁加熱主(zhu)結構(gou)電(dian)(dian)(dian)(dian)(dian)路(lu)中，常為半(ban)橋電(dian)(dian)(dian)(dian)(dian)路(lu)和全(quan)(quan)橋電(dian)(dian)(dian)(dian)(dian)路(lu)，通(tong)常2-25KW功(gong)(gong)率(lv)(lv)別采用半(ban)橋電(dian)(dian)(dian)(dian)(dian)路(lu)，全(quan)(quan)橋電(dian)(dian)(dian)(dian)(dian)路(lu)可以(yi)實現20KW以(yi)上功(gong)(gong)率(lv)(lv)。般(ban)地(di)，功(gong)(gong)率(lv)(lv)大(da)于(yu)25KW后(hou)，線圈的(de)(de)高頻電(dian)(dian)(dian)(dian)(dian)流(liu)比較大(da)，發熱比較多，當(dang)主(zhu)電(dian)(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)(dian)力(li)功(gong)(gong)率(lv)(lv)器(qi)件(jian)布(bu)局不合(he)理(li)(li)時，可能(neng)會產生高強干擾，有可能(neng)使慮波電(dian)(dian)(dian)(dian)(dian)容(rong)、揩振電(dian)(dian)(dian)(dian)(dian)容(rong)或IGBT模塊(kuai)擊穿。為了用戶(hu)的(de)(de)安裝安全(quan)(quan)考慮，般(ban)把半(ban)橋電(dian)(dian)(dian)(dian)(dian)路(lu)大(da)功(gong)(gong)率(lv)(lv)定為15KW，降(jiang)低IGBT模塊(kuai)電(dian)(dian)(dian)(dian)(dian)流(liu)應力(li)，當(dang)功(gong)(gong)率(lv)(lv)大(da)于(yu)20KW時，建議用戶(hu)選擇全(quan)(quan)橋主(zhu)電(dian)(dian)(dian)(dian)(dian)路(lu)結構(gou)。當(dang)然，在特定的(de)(de)應用場(chang)合(he)，需要加熱面積比小，功(gong)(gong)率(lv)(lv)密度比較大(da)時，我們合(he)理(li)(li)科學地(di)可以(yi)幫助用戶(hu)把半(ban)橋電(dian)(dian)(dian)(dian)(dian)路(lu)安全(quan)(quan)做到(dao)30KW。

在使用電磁加(jia)熱(re)器時要注意什么？

1、使(shi)用程要輕易拆(chai)除電磁加(jia)熱控制板接導線(xian)接措(cuo)施(shi)防止觸電道保護措(cuo)施(shi)。

2、要定期(qi)清(qing)理散熱器(qi)保證(zheng)電(dian)磷感應加熱器(qi)通(tong)風。

3、使用電磁加熱(re)器應(ying)先(xian)按說明書繞線圈并檢查(cha)誤(wu)再接(jie)通(tong)電源。

4、保(bao)養清洗電(dian)磁加熱器前切(qie)斷電(dian)磁加熱器電(dian)源(yuan)清潔電(dian)磁加熱器外殼(ke)(ke)應用(yong)(yong)干凈(jing)抹布進行擦拭嚴禁用(yong)(yong)噴射(she)水(shui)流沖洗外殼(ke)(ke)及電(dian)器箱部(bu)。

5、要電磁加(jia)熱器安裝潮(chao)濕環境防止水蒸汽(qi)進入電箱(xiang)易緣介(jie)質表面凝結降(jiang)低其緣性能造漏電事故(gu)。

6、要(yao)經檢查電磁加(jia)熱器進風口及(ji)散(san)熱風扇防止(zhi)進風口處堵塞(sai)或(huo)散(san)熱風扇卡死(si)避免熱停機保護。

如何選擇合(he)適功率的(de)電磁感應(ying)加熱器？

1、被加(jia)熱(re)(re)的工(gong)件形狀和尺(chi)寸：工(gong)件大、棒料、實材，應選(xuan)用(yong)(yong)相對(dui)(dui)功率(lv)大，頻率(lv)低的感(gan)應加(jia)熱(re)(re)設(she)備；工(gong)件小、管材、板材、齒輪等，則選(xuan)用(yong)(yong)相對(dui)(dui)功率(lv)小，頻率(lv)高的電磁感(gan)應加(jia)熱(re)(re)器。

2、需要加(jia)(jia)(jia)(jia)熱(re)的(de)深度和面積：加(jia)(jia)(jia)(jia)熱(re)深度深，面積大，整體加(jia)(jia)(jia)(jia)熱(re)，應選(xuan)用功(gong)(gong)率大，頻(pin)(pin)率低的(de)感應加(jia)(jia)(jia)(jia)熱(re)設(she)備；加(jia)(jia)(jia)(jia)熱(re)深度淺，面積小(xiao)，局部加(jia)(jia)(jia)(jia)熱(re)，選(xuan)用相(xiang)對(dui)功(gong)(gong)率小(xiao)，頻(pin)(pin)率高的(de)電磁感應加(jia)(jia)(jia)(jia)熱(re)設(she)備。

3、所(suo)需的(de)加(jia)熱速度(du)：需要的(de)加(jia)熱速度(du)快，應選用(yong)功率(lv)(lv)相(xiang)對較大(da)，頻率(lv)(lv)相(xiang)對較高(gao)的(de)感應加(jia)熱設備。

4、工(gong)藝(yi)要(yao)(yao)求：般(ban)來說，淬火(huo)(huo)、焊接等工(gong)藝(yi)，相(xiang)對可(ke)以功率選(xuan)小(xiao)些，頻率選(xuan)高些；退火(huo)(huo)、回火(huo)(huo)等工(gong)藝(yi)，相(xiang)對功率選(xuan)大些，頻率選(xuan)低些；紅沖、熱殿、熔煉等，需要(yao)(yao)透熱效果好的工(gong)藝(yi)，則電磁加熱器(qi)功率應(ying)選(xuan)得更大，頻率選(xuan)得更低。