— 技術文章 —
NEWS CENTRES作(zuo)者:中輝電(dian)器 來源:www.shenzhentuliao.cn 發布(bu)時間:2019/4/28 10:00:23
電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)(de)(de)(de)耗(hao)電(dian)(dian)(dian)(dian)(dian)情(qing)況是(shi)怎樣的(de)(de)(de)(de)?工(gong)作(zuo)(zuo)原理(li)是(shi)把220V或(huo)者380V交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian),整流(liu)后(hou)(hou)轉換成直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian),再將(jiang)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)進行濾(lv)波,利用IGBT或(huo)者可控硅再將(jiang)直(zhi)(zhi)流(liu)變成交(jiao)流(liu),在感應線圈(quan)內產生(sheng)高(gao)頻磁(ci)(ci)力(li)線,是(shi)感應線圈(quan)內導體工(gong)件(jian)表面產生(sheng)渦流(liu)依靠(kao)自(zi)生(sheng)內阻發熱(re)(re)(re)(re)(re)(re)。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)工(gong)作(zuo)(zuo)中當溫(wen)(wen)(wen)度(du)沒達(da)到(dao)(dao)設置的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)時(shi),電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)就(jiu)(jiu)(jiu)會直(zhi)(zhi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re),當達(da)到(dao)(dao)了(le)(le)預(yu)設的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)以(yi)后(hou)(hou)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)就(jiu)(jiu)(jiu)停止加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)了(le)(le),也就(jiu)(jiu)(jiu)不(bu)再耗(hao)電(dian)(dian)(dian)(dian)(dian)了(le)(le)。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)每個(ge)小(xiao)(xiao)時(shi)的(de)(de)(de)(de)耗(hao)電(dian)(dian)(dian)(dian)(dian)量多少與電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de)時(shi)間(jian)(jian)長短有關。電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)剛工(gong)作(zuo)(zuo)是(shi)滿功率,加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)溫(wen)(wen)(wen)度(du)了(le)(le),就(jiu)(jiu)(jiu)是(shi)工(gong)作(zuo)(zuo)會,停會。總體上(shang)來說,電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)耗(hao)電(dian)(dian)(dian)(dian)(dian)量是(shi)很(hen)小(xiao)(xiao)的(de)(de)(de)(de),因為電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)不(bu)是(shi)直(zhi)(zhi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)工(gong)作(zuo)(zuo)的(de)(de)(de)(de),而是(shi)有間(jian)(jian)隙的(de)(de)(de)(de)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de),先(xian)是(shi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re),然后(hou)(hou)達(da)到(dao)(dao)溫(wen)(wen)(wen)度(du)后(hou)(hou)就(jiu)(jiu)(jiu)停止加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re),之(zhi)后(hou)(hou)就(jiu)(jiu)(jiu)開始保溫(wen)(wen)(wen)工(gong)作(zuo)(zuo),直(zhi)(zhi)到(dao)(dao)溫(wen)(wen)(wen)度(du)沒達(da)到(dao)(dao)預(yu)設的(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)后(hou)(hou)再加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)下(xia),整體上(shang)來講,電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)并(bing)不(bu)是(shi)直(zhi)(zhi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)耗(hao)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de),所以(yi)也是(shi)比較省電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)個(ge)原因。同時(shi)因為料(liao)筒(tong)上(shang)還包有層保溫(wen)(wen)(wen)棉,能起到(dao)(dao)保溫(wen)(wen)(wen)和隔(ge)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de)效果,那么(me)(me)熱(re)(re)(re)(re)(re)(re)量就(jiu)(jiu)(jiu)不(bu)會損失掉了(le)(le),那么(me)(me)能夠持續恒(heng)溫(wen)(wen)(wen)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de)時(shi)間(jian)(jian)就(jiu)(jiu)(jiu)越(yue)(yue)(yue)長了(le)(le)。耗(hao)電(dian)(dian)(dian)(dian)(dian)量也就(jiu)(jiu)(jiu)越(yue)(yue)(yue)小(xiao)(xiao)了(le)(le)。通過上(shang)述對電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)感應加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)改(gai)造時(shi)所配功率的(de)(de)(de)(de)介(jie)紹,我們可以(yi)了(le)(le)解(jie)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de)時(shi)間(jian)(jian)越(yue)(yue)(yue)短那么(me)(me)耗(hao)電(dian)(dian)(dian)(dian)(dian)量就(jiu)(jiu)(jiu)越(yue)(yue)(yue)小(xiao)(xiao),反(fan)之(zhi)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)的(de)(de)(de)(de)時(shi)間(jian)(jian)越(yue)(yue)(yue)長,耗(hao)電(dian)(dian)(dian)(dian)(dian)量就(jiu)(jiu)(jiu)越(yue)(yue)(yue)大。
電(dian)磁(ci)感(gan)應(ying)(ying)(ying)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器與電(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器的(de)(de)(de)區別?簡單的(de)(de)(de)說(shuo),他們實質(zhi)上沒什(shen)么區別,都(dou)是(shi)電(dian)磁(ci)線圈(quan)發熱(re)(re)(re)盤而(er)(er)(er)已,并且加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)的(de)(de)(de)物質(zhi)是(shi)有含(han)鐵的(de)(de)(de)物質(zhi)。但(dan)是(shi)電(dian)磁(ci)感(gan)應(ying)(ying)(ying)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器的(de)(de)(de)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)原理是(shi)感(gan)應(ying)(ying)(ying)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)電(dian)源產生的(de)(de)(de)交變電(dian)流通過線圈(quan)而(er)(er)(er)產生磁(ci)場,原子相互(hu)碰撞、摩擦(ca)而(er)(er)(er)產生熱(re)(re)(re)能而(er)(er)(er)電(dian)磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器則是(shi)利用電(dian)磁(ci)感(gan)應(ying)(ying)(ying)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器的(de)(de)(de)原理將(jiang)電(dian)能轉(zhuan)換(huan)為(wei)熱(re)(re)(re)能,將(jiang)交流電(dian)壓(ya)轉(zhuan)換(huan)成直流電(dian)壓(ya),再經(jing)過控制電(dian)路將(jiang)直流電(dian)壓(ya)轉(zhuan)換(huan)為(wei)高頻電(dian)壓(ya)等系列轉(zhuan)換(huan)轉(zhuan)成磁(ci)場而(er)(er)(er)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)的(de)(de)(de)方(fang)式(shi)(shi)(shi)。由于加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)方(fang)式(shi)(shi)(shi)不(bu)樣(yang),因此,操作的(de)(de)(de)方(fang)式(shi)(shi)(shi)也是(shi)不(bu)樣(yang)的(de)(de)(de)。節能的(de)(de)(de)效果電(dian)磁(ci)感(gan)應(ying)(ying)(ying)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)器會更(geng)好。
電(dian)磁加(jia)熱(re)器的(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)升不(bu)(bu)上(shang)去該怎么辦?種解決(jue)方(fang)法:當(dang)為注(zhu)(zhu)塑(su)機、吹膜(mo)機類似于(yu)(yu)小功率時,安裝(zhuang)電(dian)磁加(jia)熱(re)器后有(you)(you)(you)些(xie)(xie)機器溫(wen)(wen)(wen)度(du)總是(shi)(shi)(shi)(shi)差點點。然(ran)后有(you)(you)(you)的(de)(de)(de)(de)(de)(de)客(ke)戶就把功率調節(jie)大些(xie)(xie)還是(shi)(shi)(shi)(shi)樣,有(you)(you)(you)的(de)(de)(de)(de)(de)(de)客(ke)戶還干脆就把溫(wen)(wen)(wen)度(du)直(zhi)接設定調高,大家都(dou)覺(jue)得很(hen)奇怪,有(you)(you)(you)時候總感覺(jue)就是(shi)(shi)(shi)(shi)看不(bu)(bu)懂,摸不(bu)(bu)著頭腦。其(qi)實呢,這個大多數(shu)的(de)(de)(de)(de)(de)(de)原因不(bu)(bu)是(shi)(shi)(shi)(shi)功率安裝(zhuang)小,而且由(you)于(yu)(yu)原來機器的(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)控(kong)制器輸出(chu)的(de)(de)(de)(de)(de)(de)PID運算方(fang)法引起來的(de)(de)(de)(de)(de)(de),啟動(dong)信號很(hen)短,有(you)(you)(you)些(xie)(xie)短到1-5秒以(yi)內,電(dian)磁加(jia)熱(re)器都(dou)還沒有(you)(you)(you)來得及開(kai)始工作(zuo),就又(you)斷(duan)了。所以(yi)導(dao)致電(dian)磁加(jia)熱(re)器大多數(shu)時間處于(yu)(yu)停止狀態(tai),基本(ben)上(shang)是(shi)(shi)(shi)(shi)沒有(you)(you)(you)在加(jia)熱(re)的(de)(de)(de)(de)(de)(de)。因為加(jia)熱(re)的(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)總是(shi)(shi)(shi)(shi)達不(bu)(bu)到的(de)(de)(de)(de)(de)(de)。這時我們可(ke)(ke)以(yi)調節(jie)機器中的(de)(de)(de)(de)(de)(de)斷(duan)開(kai)延時工作(zuo)時間,來達到溫(wen)(wen)(wen)度(du)要(yao)求。詳細的(de)(de)(de)(de)(de)(de)方(fang)法使(shi)用說明(ming)書(shu)上(shang)也有(you)(you)(you),調節(jie)為8-15秒,默認為0秒,般為8秒鐘就可(ke)(ke)以(yi)實現(xian)沒有(you)(you)(you)溫(wen)(wen)(wen)差了,但是(shi)(shi)(shi)(shi)得注(zhu)(zhu)意哦,不(bu)(bu)要(yao)調節(jie)到太大,否則溫(wen)(wen)(wen)度(du)可(ke)(ke)能會超的(de)(de)(de)(de)(de)(de)。
電磁加熱(re)對比(bi)其(qi)他幾種(zhong)加熱(re)方式:
、燃燒式(shi)加(jia)熱(re)(re):顧名思義就是(shi)(shi)通過燃料燃燒來實現熱(re)(re)量傳輸了,這是(shi)(shi)原(yuan)始的(de)加(jia)熱(re)(re)方(fang)(fang)式(shi),燃煤加(jia)熱(re)(re)、燃氣加(jia)熱(re)(re)、生物質(zhi)燃燒加(jia)熱(re)(re)等等是(shi)(shi)常(chang)(chang)見(jian)的(de),其中燃燒加(jia)熱(re)(re)所造成(cheng)的(de)嚴重,所以出(chu)于對(dui)環保的(de)問題(ti),許多地區都實行了禁煤令。不管哪(na)種燃燒發熱(re)(re)方(fang)(fang)式(shi),都會對(dui)空氣有排放,氧化(hua)碳、灰塵、硫化(hua)氣體、殘渣(zha)等等,而(er)且熱(re)(re)效率也非常(chang)(chang)低。
二、接(jie)(jie)觸(chu)(chu)式(shi)加熱(re)(re)(re)(re)(re):這種加熱(re)(re)(re)(re)(re)方式(shi)普(pu)遍的(de)(de)是(shi)(shi)電(dian)(dian)阻絲、電(dian)(dian)熱(re)(re)(re)(re)(re)棒的(de)(de)形式(shi),加熱(re)(re)(re)(re)(re)液(ye)體(ti)的(de)(de)時(shi)(shi)候是(shi)(shi)直接(jie)(jie)與液(ye)體(ti)接(jie)(jie)觸(chu)(chu),這種加熱(re)(re)(re)(re)(re)方式(shi)有局限性,就是(shi)(shi)加熱(re)(re)(re)(re)(re)溫(wen)度般是(shi)(shi)300℃以下,加熱(re)(re)(re)(re)(re)時(shi)(shi)間長(chang)了會產(chan)生(sheng)污(wu)垢,時(shi)(shi)間長(chang)了就會形成管道破裂問題(ti),再有就是(shi)(shi)接(jie)(jie)觸(chu)(chu)式(shi)容易產(chan)生(sheng)漏電(dian)(dian)觸(chu)(chu)電(dian)(dian)問題(ti),對(dui)人(ren)身(shen)安全有危害(hai),所以對(dui)電(dian)(dian)熱(re)(re)(re)(re)(re)管的(de)(de)質量要(yao)求是(shi)(shi)的(de)(de);另(ling)外電(dian)(dian)熱(re)(re)(re)(re)(re)管的(de)(de)熱(re)(re)(re)(re)(re)效雖然(ran)比燃煤(mei)燃氣的(de)(de)要(yao)高引動(dong),但對(dui)外還是(shi)(shi)部分熱(re)(re)(re)(re)(re)量散失在空氣中。
三、電磁感應(ying)(ying)(ying)加熱(re):電磁加熱(re)器是(shi)(shi)屬于非接觸式(shi)加熱(re)方式(shi),其應(ying)(ying)(ying)用的(de)(de)工作原理和電磁爐加熱(re)原理樣(yang),通過電磁感應(ying)(ying)(ying)技(ji)術,利用磁變,使得金屬料筒(tong)自身(shen)產生渦流(liu),達(da)到自身(shen)產生熱(re)量(liang),從而實(shi)現加熱(re)目的(de)(de),這樣(yang)的(de)(de)技(ji)術原理大(da)程序的(de)(de)實(shi)現了對熱(re)效的(de)(de)全部利用,熱(re)效率高(gao)能達(da)到98%,是(shi)(shi)目前熱(re)利用高(gao)的(de)(de)加熱(re)方式(shi),非接觸式(shi)的(de)(de)加熱(re)方式(shi)對安全問(wen)題方面得到了保障,而且(qie)使用壽命(ming)長(chang),后期維(wei)護簡(jian)便,成本低,重要的(de)(de)是(shi)(shi)它能夠實(shi)現高(gao)溫加熱(re),廣(guang)泛適應(ying)(ying)(ying)工業應(ying)(ying)(ying)用,屬于很好的(de)(de)節能方式(shi)。
電磁(ci)加熱調節溫度控制方式:
1、臺電磁加熱器(qi)控制(zhi)段溫(wen)度。
2、多臺電磁加熱器(qi)用個溫(wen)控器(qi)開關控制。
3、繼電器控制。
4、如果加熱水的(de)話還可(ke)以用流速控(kong)制溫度(du)。
5、分時間控制。
電(dian)(dian)(dian)(dian)磁(ci)加熱(re)(re)器(qi)(qi)工(gong)作(zuo)原理:電(dian)(dian)(dian)(dian)磁(ci)加熱(re)(re)是利(li)用(yong)電(dian)(dian)(dian)(dian)磁(ci)感應原理將(jiang)電(dian)(dian)(dian)(dian)能(neng)(neng)轉(zhuan)(zhuan)換(huan)為(wei)熱(re)(re)能(neng)(neng)的(de)(de)(de)能(neng)(neng)量(liang)轉(zhuan)(zhuan)換(huan)過(guo)程,由(you)(you)整(zheng)(zheng)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)路(lu)將(jiang)50/60Hz的(de)(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)壓(ya)(ya)轉(zhuan)(zhuan)變(bian)成直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)壓(ya)(ya),再經過(guo)功(gong)率控(kong)制電(dian)(dian)(dian)(dian)路(lu)將(jiang)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)壓(ya)(ya)轉(zhuan)(zhuan)換(huan)成頻(pin)(pin)(pin)(pin)率為(wei)20~40kHz的(de)(de)(de)高(gao)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)壓(ya)(ya),當高(gao)速(su)變(bian)化(hua)的(de)(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)通(tong)過(guo)線圈時(shi),線圈會產生高(gao)速(su)變(bian)化(hua)的(de)(de)(de)磁(ci)場,磁(ci)場內的(de)(de)(de)交(jiao)(jiao)變(bian)磁(ci)力線通(tong)過(guo)金(jin)屬(shu)管(guan)道時(shi)(導磁(ci)、導電(dian)(dian)(dian)(dian)材料(liao)),管(guan)壁體內產生無(wu)數的(de)(de)(de)小渦流(liu)(liu)(liu)(liu),使輸油管(guan)道的(de)(de)(de)管(guan)壁本身自行(xing)發(fa)熱(re)(re)與原油進行(xing)熱(re)(re)交(jiao)(jiao)換(huan),達到加熱(re)(re)原油的(de)(de)(de)目的(de)(de)(de)。變(bian)頻(pin)(pin)(pin)(pin)器(qi)(qi)是高(gao)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)磁(ci)加熱(re)(re)器(qi)(qi)的(de)(de)(de)核心部件,是利(li)用(yong)電(dian)(dian)(dian)(dian)力半導體器(qi)(qi)件的(de)(de)(de)通(tong)斷作(zuo)用(yong)將(jiang)工(gong)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)(dian)源(yuan)變(bian)換(huan)為(wei)另頻(pin)(pin)(pin)(pin)率的(de)(de)(de)電(dian)(dian)(dian)(dian)能(neng)(neng)控(kong)制裝置。目前使用(yong)的(de)(de)(de)變(bian)頻(pin)(pin)(pin)(pin)器(qi)(qi)主要(yao)采用(yong)交(jiao)(jiao)流(liu)(liu)(liu)(liu)—直(zhi)(zhi)流(liu)(liu)(liu)(liu)—交(jiao)(jiao)流(liu)(liu)(liu)(liu)方式(shi)(shi),先把(ba)工(gong)頻(pin)(pin)(pin)(pin)交(jiao)(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)通(tong)過(guo)整(zheng)(zheng)流(liu)(liu)(liu)(liu)器(qi)(qi)轉(zhuan)(zhuan)換(huan)成直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan),然后(hou)再把(ba)直(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)轉(zhuan)(zhuan)換(huan)成頻(pin)(pin)(pin)(pin)率、電(dian)(dian)(dian)(dian)壓(ya)(ya)均(jun)可控(kong)制的(de)(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)源(yuan)供(gong)給電(dian)(dian)(dian)(dian)動機。變(bian)頻(pin)(pin)(pin)(pin)器(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)路(lu)般(ban)由(you)(you)整(zheng)(zheng)流(liu)(liu)(liu)(liu)、中間直(zhi)(zhi)流(liu)(liu)(liu)(liu)環(huan)節(jie)、逆變(bian)和控(kong)制4個部分(fen)組成。整(zheng)(zheng)流(liu)(liu)(liu)(liu)部分(fen)為(wei)三相橋式(shi)(shi)不可控(kong)整(zheng)(zheng)流(liu)(liu)(liu)(liu)器(qi)(qi),逆變(bian)部分(fen)為(wei)IGBT三相橋式(shi)(shi)逆變(bian)器(qi)(qi)且輸出為(wei)PWM波形(xing),中間直(zhi)(zhi)流(liu)(liu)(liu)(liu)環(huan)節(jie)為(wei)濾(lv)波、直(zhi)(zhi)流(liu)(liu)(liu)(liu)儲能(neng)(neng)和緩沖無(wu)功(gong)功(gong)率。
電磁加熱器注意事項:
1、主機(ji)要(yao)定期除塵(chen),般(ban)1個(ge)月除次,可(ke)用軟毛刷或高壓(ya)氣槍除塵(chen),以保證(zheng)儀器內部良好的通(tong)風環境。
2、如(ru)使用環境是帶有(you)腐蝕性氣(qi)體的(de)地方須噴上緣清漆。或者(zhe)用其(qi)它(ta)的(de)緣防腐材料。
3、空氣溫度不能高于50℃。
4、電感量只是(shi)應用(yong)的(de)其(qi)中個參(can)數(shu)而已,具(ju)體要(yao)實測工作頻(pin)率(lv)和(he)電流,通過增減線圈匝數(shu)來匹配功率(lv)。
使(shi)用電磁(ci)加(jia)熱(re)器(qi)時應注意的問題(ti):
1、不要將控制器安(an)裝在潮濕的環境中,防(fang)止水蒸汽進入電箱后,易在緣介質表面凝結,降低(di)其(qi)緣性(xing)能,造成(cheng)漏(lou)電事故。
2、在使(shi)用電磁控制(zhi)器時,應先(xian)按說(shuo)明書繞好(hao)線圈并(bing)檢查無誤后再接通(tong)電源。
3、在使用過程中,不要輕易拆除其(qi)接(jie)地(di)(di)導線,因為接(jie)地(di)(di)措施(shi)是防止(zhi)觸電的后道保護措施(shi)。
4、要(yao)經常(chang)檢(jian)查產品的進風(feng)口及散熱風(feng)扇,防止進風(feng)口處堵塞或(huo)散熱風(feng)扇卡死,避免因過(guo)熱停機(ji)保護(hu)。
5、要定期清(qing)理(li)散熱(re)器,保證產品通風良好。
6、在(zai)保養清洗(xi)前(qian)切斷(duan)控制(zhi)器(qi)電(dian)源。清潔電(dian)磁(ci)感應(ying)加熱器(qi)的外(wai)殼(ke)時,應(ying)用(yong)(yong)干(gan)凈的抹(mo)布進(jin)行(xing)擦拭(shi),嚴(yan)禁(jin)用(yong)(yong)噴(pen)射(she)水流沖(chong)洗(xi)外(wai)殼(ke)及電(dian)器(qi)箱(xiang)部分。
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