作者:中輝電器 來源:www.shenzhentuliao.cn 發布時間:2019/4/30 11:55:52
電磁加(jia)熱(re)器(qi)的全橋和半橋的工作原(yuan)理的同異:
、相(xiang)同(tong):均(jun)是通(tong)過系(xi)列電路處理技術將普通(tong)交流(liu)電(220V、380V)轉化成高頻直流(liu)電流(liu),通(tong)過做功線盤產生(sheng)強烈電渦流(liu),并與相(xiang)應(ying)專用金屬材(cai)質感應(ying)產生(sheng)激烈電磁場,直接促(cu)使(shi)相(xiang)應(ying)金屬材(cai)質內(nei)部原(yuan)子速激蕩碰撞,從而(er)使(shi)得相(xiang)應(ying)金屬材(cai)質自身快(kuai)速發熱(re)產生(sheng)高溫(wen),普遍用于工業塑膠機(ji)(ji)械(xie)料筒上加(jia)熱(re),如拉絲(si)機(ji)(ji)、吹膜機(ji)(ji),造粒(li)機(ji)(ji),注塑機(ji)(ji),擠出機(ji)(ji)等等!
二、不同對交流電的承接(jie)轉化(hua)處理技術上:
1、全(quan)橋:采用(yong)雙路驅動技(ji)術,利用(yong)雙IGBT逆變模(mo)塊分別(bie)承(cheng)接轉化交流電(dian)的(de)上玄(xuan)波和下玄(xuan)波電(dian)流,產生的(de)高頻(pin)電(dian)流波形完整、清晰、穩定。
2、半橋:采用單路驅動技(ji)術(shu),利用單IGBT逆變模塊分別承接(jie)轉(zhuan)化交流(liu)電(dian)的上玄波(bo)(bo),結合相應(ying)附(fu)加(jia)電(dian)路配(pei)置吸收下(xia)玄波(bo)(bo)電(dian)流(liu)進行放電(dian)補充,產生的高頻(pin)電(dian)流(liu)波(bo)(bo)形相對完(wan)整(zheng)。
三(san)、對相(xiang)應專用鍋具(ju)的負載感應上(shang):
1、全(quan)橋:因電流(liu)轉(zhuan)化技術(shu)配置效率(lv)高(gao),可負載較高(gao)電感負荷,電轉(zhuan)熱效率(lv)相應較高(gao)。
2、半(ban)橋:因電(dian)(dian)流轉(zhuan)化技(ji)術配(pei)置效率(lv)稍(shao)低(di),可(ke)負載(zai)較(jiao)低(di)電(dian)(dian)感(gan)負荷(he),電(dian)(dian)轉(zhuan)熱效率(lv)相應較(jiao)低(di)。
挑選好的電磁加熱(re)器有(you)什技巧?
1、性能:隨著科學技(ji)術的(de)(de)進步(bu),電(dian)磁(ci)加(jia)(jia)熱器(qi)的(de)(de)功(gong)(gong)能集成程度非(fei)常高,些產品甚至集中(zhong)了(le)各行各業工(gong)廠加(jia)(jia)熱設備等(deng)等(deng)諸多(duo)(duo)功(gong)(gong)能,那么,是不(bu)是功(gong)(gong)能越多(duo)(duo)就越好呢?這(zhe)不(bu)定,因為很多(duo)(duo)功(gong)(gong)能或許客戶在(zai)以后的(de)(de)日(ri)子中(zhong)根(gen)本(ben)用不(bu)上。般工(gong)廠在(zai)考慮和挑(tiao)選(xuan)電(dian)磁(ci)加(jia)(jia)熱器(qi)的(de)(de)功(gong)(gong)能的(de)(de)時候,定要根(gen)據(ju)自己(ji)的(de)(de)實際(ji)需要購買,注重自己(ji)需要多(duo)(duo)大(da)功(gong)(gong)率的(de)(de)電(dian)磁(ci)加(jia)(jia)熱控制器(qi)來選(xuan)擇控制器(qi)。
2、節能(neng)(neng)與環保:眼下階梯(ti)電價(jia)即將(jiang)(jiang)實施,選(xuan)擇款節能(neng)(neng)的(de)產(chan)品也十分(fen)必要,畢竟(jing)電用(yong)的(de)越多,單(dan)價(jia)也將(jiang)(jiang)升高,而且,本(ben)身電磁(ci)加熱器(qi)也是高功率電器(qi),因(yin)此選(xuan)購的(de)時(shi)候(hou)更應該注意其能(neng)(neng)耗。當前,市場(chang)上銷售的(de)電磁(ci)加熱控制(zhi)器(qi),很(hen)多新型(xing)產(chan)品都使(shi)用(yong)了節能(neng)(neng)與環保的(de)技術與設計(ji),這對于消費者(zhe)來說(shuo)是有利的(de)。
電(dian)磁(ci)加熱(re)控制(zhi)器(qi)的兩種啟動(dong)方(fang)(fang)式:般電(dian)磁(ci)加熱(re)器(qi)可以有兩種啟動(dong)方(fang)(fang)式,
種是(shi)軟(ruan)(ruan)啟(qi)動(dong)方(fang)(fang)(fang)式(shi),另種是(shi)硬啟(qi)動(dong)方(fang)(fang)(fang)法(fa)。軟(ruan)(ruan)啟(qi)動(dong)方(fang)(fang)(fang)法(fa)是(shi)用信號(hao)(hao)(hao)線(xian)端(duan)接(jie)(jie)(jie)(jie)(jie)入(ru)(ru)+號(hao)(hao)(hao),另端(duan)接(jie)(jie)(jie)(jie)(jie)入(ru)(ru)號(hao)(hao)(hao),當(dang)(dang)接(jie)(jie)(jie)(jie)(jie)通(tong)(tong)后功率則輸(shu)出,電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)就正常工作(zuo)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)。當(dang)(dang)斷開信號(hao)(hao)(hao)線(xian)后則功率就不輸(shu)出,電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)就停(ting)止加(jia)(jia)(jia)(jia)(jia)熱(re)(re)。這種叫做軟(ruan)(ruan)啟(qi)動(dong)方(fang)(fang)(fang)式(shi),使(shi)用軟(ruan)(ruan)啟(qi)動(dong)方(fang)(fang)(fang)式(shi)控(kong)(kong)(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)的(de)優勢是(shi)控(kong)(kong)(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)方(fang)(fang)(fang)便,可以(yi)自(zi)由(you)接(jie)(jie)(jie)(jie)(jie)入(ru)(ru)或(huo)斷開來控(kong)(kong)(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)工作(zuo)或(huo)停(ting)止。軟(ruan)(ruan)啟(qi)動(dong)的(de)另外頭接(jie)(jie)(jie)(jie)(jie)的(de)是(shi)溫(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)(qi)(qi)或(huo)繼電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi),使(shi)用溫(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)(qi)(qi)可以(yi)利于控(kong)(kong)(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)的(de)溫(wen)(wen)度,和(he)(he)調節溫(wen)(wen)度的(de)大(da)小。當(dang)(dang)個(ge)溫(wen)(wen)區只有組電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)的(de)時(shi)候,軟(ruan)(ruan)啟(qi)動(dong)方(fang)(fang)(fang)法(fa)只要要信號(hao)(hao)(hao)線(xian)接(jie)(jie)(jie)(jie)(jie)通(tong)(tong)+號(hao)(hao)(hao)和(he)(he)號(hao)(hao)(hao)就可以(yi)了(le),當(dang)(dang)個(ge)溫(wen)(wen)區有兩個(ge)電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)的(de)時(shi)候,就要把(ba)這兩個(ge)控(kong)(kong)(kong)(kong)制主板(ban)的(de)+號(hao)(hao)(hao)信號(hao)(hao)(hao)線(xian)并聯,軟(ruan)(ruan)啟(qi)動(dong)信號(hao)(hao)(hao)線(xian)號(hao)(hao)(hao)并聯,當(dang)(dang)控(kong)(kong)(kong)(kong)制+接(jie)(jie)(jie)(jie)(jie)通(tong)(tong)的(de)時(shi)候功率就輸(shu)出,電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)器(qi)(qi)(qi)就會正常加(jia)(jia)(jia)(jia)(jia)熱(re)(re)工作(zuo),當(dang)(dang)斷開十(shi)接(jie)(jie)(jie)(jie)(jie)通(tong)(tong),電(dian)(dian)(dian)(dian)(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)控(kong)(kong)(kong)(kong)制器(qi)(qi)(qi)就停(ting)止加(jia)(jia)(jia)(jia)(jia)熱(re)(re)。
另種啟(qi)(qi)(qi)動(dong)(dong)方(fang)式就(jiu)是硬(ying)啟(qi)(qi)(qi)動(dong)(dong)方(fang)式,就(jiu)是將+號信線固定。但(dan)這種方(fang)式不(bu)能靈活控(kong)制(zhi)(zhi)電(dian)磁(ci)加熱(re)器(qi)(qi)。相(xiang)對(dui)比于硬(ying)啟(qi)(qi)(qi)動(dong)(dong)方(fang)式來說,軟(ruan)(ruan)啟(qi)(qi)(qi)動(dong)(dong)方(fang)式更具有優勢(shi),軟(ruan)(ruan)啟(qi)(qi)(qi)動(dong)(dong)電(dian)磁(ci)加熱(re)器(qi)(qi)因使用方(fang)便(bian),利(li)于控(kong)制(zhi)(zhi),所以大多數都是使用軟(ruan)(ruan)啟(qi)(qi)(qi)動(dong)(dong)來控(kong)制(zhi)(zhi)電(dian)磁(ci)加熱(re)器(qi)(qi)的。
哪些因(yin)素會導致電磁加熱器發生故(gu)障?
:電(dian)(dian)磁(ci)加熱器電(dian)(dian)路(lu)(lu)(lu)(lu)設計不科學。目(mu)前,在大(da)功(gong)率電(dian)(dian)磁(ci)加熱電(dian)(dian)路(lu)(lu)(lu)(lu)系統(tong)中(zhong),大(da)部分廠家采(cai)用過去(qu)的(de)傳統(tong)模擬3525或494電(dian)(dian)路(lu)(lu)(lu)(lu),產生(sheng)(sheng)兩路(lu)(lu)(lu)(lu)或四路(lu)(lu)(lu)(lu)PWM,采(cai)用調頻方(fang)法驅動IGBT,改變諧振(zhen)回(hui)電(dian)(dian)流大(da)小來達到調節功(gong)率大(da)小的(de)目(mu)的(de),再采(cai)用4046進行鎖(suo)相控制,在工業上加熱應用已經很普遍,技術也(ye)比較成熟。但是,它的(de)硬件電(dian)(dian)路(lu)(lu)(lu)(lu)復雜,所以(yi)大(da)多體(ti)積(ji)龐大(da),也(ye)不便于(yu)生(sheng)(sheng)產和(he)調試,特別(bie)是容(rong)易(yi)由于(yu)所選用的(de)器件特性差(cha)異(yi),致使(shi)電(dian)(dian)源致性差(cha),工作中(zhong)生(sheng)(sheng)產的(de)高強的(de)電(dian)(dian)磁(ci)干(gan)擾時,鎖(suo)相或保護部分容(rong)易(yi)失(shi)靈(ling),容(rong)易(yi)造成故障。
二:電(dian)(dian)(dian)(dian)(dian)(dian)力器件布(bu)局不合(he)理(li)。在大(da)(da)功(gong)率(lv)(lv)工業電(dian)(dian)(dian)(dian)(dian)(dian)磁加熱主(zhu)結構電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong),常為半橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)和全橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu),通常2-25KW功(gong)率(lv)(lv)別采用(yong)(yong)半橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu),全橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)可(ke)以(yi)實現20KW以(yi)上(shang)功(gong)率(lv)(lv)。般(ban)地,功(gong)率(lv)(lv)大(da)(da)于25KW后,線圈的(de)高頻電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)比較大(da)(da),發熱比較多,當主(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)力功(gong)率(lv)(lv)器件布(bu)局不合(he)理(li)時(shi),可(ke)能會產生(sheng)高強(qiang)干擾,有可(ke)能使慮波電(dian)(dian)(dian)(dian)(dian)(dian)容、揩(kai)振電(dian)(dian)(dian)(dian)(dian)(dian)容或IGBT模塊擊穿。為了用(yong)(yong)戶的(de)安(an)裝(zhuang)安(an)全考慮,般(ban)把(ba)半橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)大(da)(da)功(gong)率(lv)(lv)定為15KW,降低IGBT模塊電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)應力,當功(gong)率(lv)(lv)大(da)(da)于20KW時(shi),建(jian)議用(yong)(yong)戶選(xuan)擇全橋(qiao)(qiao)主(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)結構。當然,在特(te)定的(de)應用(yong)(yong)場合(he),需(xu)要加熱面(mian)積比小,功(gong)率(lv)(lv)密(mi)度比較大(da)(da)時(shi),我們合(he)理(li)科學地可(ke)以(yi)幫助(zhu)用(yong)(yong)戶把(ba)半橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)安(an)全做到(dao)30KW。
電(dian)磁加熱板(ban)的配(pei)件有哪些?2P排線、10K熱敏(min)電(dian)阻、吸收板(ban)1塊、風扇線、顯示盒(he)、530V電(dian)源線(帶磁環)、高頻互感器。
電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)板的(de)(de)(de)(de)除塵(chen)方法有(you)哪些:電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)板很好(hao)的(de)(de)(de)(de)解決了(le)(le)傳統(tong)加(jia)(jia)(jia)熱(re)(re)(re)(re)器的(de)(de)(de)(de)各種弊(bi)端,尤其(qi)是資源浪費方面,電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)板的(de)(de)(de)(de)能量轉化率非常的(de)(de)(de)(de)高,使用電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)板雖然是非常的(de)(de)(de)(de)方便,但是對其(qi)做好(hao)除塵(chen)的(de)(de)(de)(de)工作也是非常有(you)必要(yao)的(de)(de)(de)(de),如(ru)果積(ji)累(lei)大(da)(da)量的(de)(de)(de)(de)灰塵(chen),對于加(jia)(jia)(jia)熱(re)(re)(re)(re)的(de)(de)(de)(de)性能會造成很大(da)(da)的(de)(de)(de)(de)影(ying)響。電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器的(de)(de)(de)(de)使用給工廠帶(dai)來了(le)(le)很多便利,電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)改造后工人工作環境得(de)到很大(da)(da)提高。為了(le)(le)更(geng)好(hao)的(de)(de)(de)(de)使用該(gai)設(she)備(bei),請(qing)設(she)備(bei)維(wei)護(hu)人員(yuan)及時(shi)做好(hao)電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)除塵(chen)的(de)(de)(de)(de)。電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器提醒(xing)您要(yao)經(jing)常清(qing)掃(sao)加(jia)(jia)(jia)熱(re)(re)(re)(re)器里(li)的(de)(de)(de)(de)灰塵(chen),還要(yao)保證電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器所(suo)處位(wei)置通(tong)風。
電(dian)磁加熱(re)(re)器(qi)(qi)(qi)(qi)的(de)使用注意(yi)事(shi)項。使用環(huan)境溫度不高于60℃,且干燥、通風。請(qing)(qing)遠離易燃易爆物(wu)品。請(qing)(qing)勿使水及(ji)其他液體進(jin)入(ru)本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi)。請(qing)(qing)勿使導電(dian)體或金(jin)屬屑進(jin)入(ru)本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi),及(ji)加熱(re)(re)體上電(dian)磁線圈(quan)。請(qing)(qing)勿在電(dian)路漏(lou)電(dian)情況下(xia)使用本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi)。請(qing)(qing)勿將本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi)平放,豎立(li),以有利于散熱(re)(re)。請(qing)(qing)勿在電(dian)磁線圈(quan)周圍放置任何鐵磁質材(cai)料。電(dian)源輸(shu)入(ru)、高頻輸(shu)出(chu)嚴禁使用鋁質接線鼻。在生(sheng)產停止,不需(xu)要(yao)(yao)加熱(re)(re)時(shi),嚴禁立(li)即切斷電(dian)源;需(xu)要(yao)(yao)等散熱(re)(re)風扇(shan)停止轉動后(hou),再(zai)切斷電(dian)源。請(qing)(qing)及(ji)時(shi)清理灰塵,保證其干凈、整潔。新安裝機(ji)器(qi)(qi)(qi)(qi),調試(shi)(shi)前測試(shi)(shi)電(dian)感量,待電(dian)感量符合(he)要(yao)(yao)求(qiu)后(hou)再(zai)試(shi)(shi)機(ji)。非專業(ye)人士(shi)請(qing)(qing)勿調動本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi),如有問題請(qing)(qing)和經(jing)銷商或廠家(jia)聯系。接入(ru)電(dian)源電(dian)壓應符合(he)本(ben)(ben)機(ji)器(qi)(qi)(qi)(qi)電(dian)氣規格(ge)中要(yao)(yao)求(qiu)的(de)參(can)數(shu)。
選擇(ze)水(shui)(shui)冷(leng)(leng)(leng)電磁(ci)加(jia)(jia)(jia)熱(re)器(qi)需要(yao)注(zhu)意:較是用(yong)自來水(shui)(shui),或(huo)運(yun)用(yong)井(jing)水(shui)(shui)。但不能是用(yong)河水(shui)(shui),由(you)于(yu)河水(shui)(shui)會(hui)(hui)(hui)有(you)(you)些(xie)草或(huo)砂粒,如(ru)果是把草或(huo)砂粒吸(xi)進(jin)來,那(nei)么就會(hui)(hui)(hui)堵塞散(san)熱(re)片管道,無(wu)法(fa)進(jin)行水(shui)(shui)冷(leng)(leng)(leng)散(san)熱(re),那(nei)么散(san)熱(re)器(qi)就無(wu)法(fa)降(jiang)溫(wen),就立(li)即呈現過熱(re)維護而(er)中止加(jia)(jia)(jia)熱(re)作(zuo)業。再有(you)(you)就是對(dui)于(yu)北(bei)方(fang)區(qu)(qu)域,或(huo)些(xie)較寒冷(leng)(leng)(leng)地(di)區(qu)(qu),不適(shi)合(he)(he)運(yun)用(yong)水(shui)(shui)冷(leng)(leng)(leng)的電磁(ci)加(jia)(jia)(jia)熱(re)器(qi),由(you)于(yu)溫(wen)度過低,水(shui)(shui)就無(wu)法(fa)活動,甚至會(hui)(hui)(hui)結冰凍住,那(nei)么就無(wu)法(fa)到達水(shui)(shui)冷(leng)(leng)(leng)的作(zuo)用(yong)。南(nan)邊區(qu)(qu)域,水(shui)(shui)冷(leng)(leng)(leng)的電磁(ci)加(jia)(jia)(jia)熱(re)器(qi)比(bi)較合(he)(he)適(shi)運(yun)用(yong)。
上一篇: 西藏烘房電磁加熱器有哪些
下一篇: 青海80kw電磁加熱器報價
相關推薦
沒有資料
推薦產品