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betway必威压辊電磁加熱輥技術原理

作者:betway必威体育APP安卓版   发布时间:2019-12-02 14:38   浏览:177 次

Technicalprincipleofelectromagneticinductionheatingroller

電磁感應加熱輥是利用電磁感應原理將電能轉換為熱能的能量轉換過程。當電源接到控制器,

電磁控制器將交流電整流、濾波、逆變成2040KHz的高頻交流電流,高速變化的電流通過電磁

線圈時,產生高速變化的磁場,磁場內的交變磁力線通過金屬輥體時,金屬輥體內產生無數的小

渦流,由于金屬輥體具有電阻特性,使金屬輥體本身自行快速發熱。輥體內的溫度傳感器對輥體

檢測,并傳輸到控制柜的溫控儀中顯示和控制,控制信號通過數據線再輸入到電磁控制器中,從

Theelectromagneticinductionheatingrollerisaprocessofconverting

electricenergyintoheatenergybyusingtheprincipleofelectromagneticinduction.

Whenthepowersupplyisconnectedtothecontroller,theelectromagneticcontroller

rectifies,filters,andinvertstoahighfrequencyACcurrentof20-40kHz.Whenthe

highspeedchangingcurrentpassesthroughtheelectromagneticcoil,themagnetic

fieldchangesathighspeed.Whenthealternatingmagneticfieldinthemagneticfield

passesthroughthemetalrollbody,therearenumeroussmalleddycurrentsinthemetal

rollbody,becauseoftheresistancecharacteristicofthemetalrollbody,Thetemperature

sensoroftherollbodydetectstherollbodyandtransmitsittothetemperaturecontroller

ofthecontrolcabinettodisplayandcontrol,andthecontrolsignalisre-inputtothe

electromagneticcontrollerthroughthedataline.Thusthetemperatureoftherollbodyis