管(Guan)道(Dao)加(Jia)热(Re)器(Qi)的(De)工(Gong)作(Zuo)原(Yuan)理(Li)主(Zhu)要(Yao)是(Shi)利(Li)用(Yong)电(Dian)能(Neng)的(De)换(Huan)热(Re)作(Zuo)用(Yong)，(?)通(Tong)过(Guo)电(Dian)加(Jia)热(Re)管(Guan)、(?)电(Dian)热(Re)元(Yuan)件(Jian)和(He)流(Liu)体(Ti)介(Jie)质(Zhi)之(Zhi)间(Jian)的(De)换(Huan)热(Re)来(Lai)实(Shi)现(Xian)加(Jia)热(Re)、(?)加(Jia)温(Wen)和(He)保(Bao)温(Wen)的(De)功(Gong)能(Neng)。(?)
    管(Guan)道(Dao)加(Jia)热(Re)器(Qi)的(De)基(Ji)本(Ben)工(Gong)作(Zuo)原(Yuan)理(Li)可(Ke)以(Yi)概(Gai)括(Kuo)为(Wei)以(Yi)下(Xia)几(Ji)点(Dian)：(?)
    电(Dian)加(Jia)热(Re)元(Yuan)件(Jian)：(?)管(Guan)道(Dao)加(Jia)热(Re)器(Qi)通(Tong)常(Chang)采(Cai)用(Yong)电(Dian)加(Jia)热(Re)管(Guan)作(Zuo)为(Wei)发(Fa)热(Re)元(Yuan)件(Jian)，(?)这(Zhe)些(Xie)电(Dian)加(Jia)热(Re)管(Guan)内(Nei)部(Bu)含(Han)有(You)高(Gao)温(Wen)电(Dian)阻(Zu)合(He)金(Jin)丝(Si)，(?)外(Wai)部(Bu)包(Bao)裹(Guo)有(You)不(Bu)锈(Xiu)钢(Gang)钢(Gang)管(Guan)作(Zuo)为(Wei)保(Bao)护(Hu)套(Tao)管(Guan)，(?)内(Nei)部(Bu)填(Tian)充(Chong)有(You)结(Jie)晶(Jing)氧(Yang)化(Hua)镁(Mei)粉(Fen)以(Yi)提(Ti)供(Gong)良(Liang)好(Hao)的(De)绝(Jue)缘(Yuan)性(Xing)和(He)导(Dao)热(Re)性(Xing)能(Neng)。(?)
     换(Huan)热(Re)过(Guo)程(Cheng)：(?)当(Dang)电(Dian)流(Liu)通(Tong)过(Guo)电(Dian)加(Jia)热(Re)管(Guan)时(Shi)，(?)电(Dian)加(Jia)热(Re)管(Guan)内(Nei)的(De)导(Dao)电(Dian)膜(Mo)会(Hui)发(Fa)热(Re)，(?)产(Chan)生(Sheng)的(De)热(Re)量(Liang)通(Tong)过(Guo)换(Huan)热(Re)器(Qi)传(Chuan)递(Di)给(Gei)流(Liu)体(Ti)介(Jie)质(Zhi)，(?)使(Shi)流(Liu)体(Ti)介(Jie)质(Zhi)升(Sheng)温(Wen)，(?)从(Cong)而(?)达(Da)到(Dao)加(Jia)热(Re)的(De)效(Xiao)果(Guo)。(?)
     控(Kong)制(Zhi)系(Xi)统(Tong)：(?)高(Gao)级(Ji)的(De)管(Guan)道(Dao)加(Jia)热(Re)器(Qi)还(Huan)配(Pei)备(Bei)有(You)控(Kong)制(Zhi)系(Xi)统(Tong)，(?)包(Bao)括(Kuo)数(Shu)字(Zi)电(Dian)路(Lu)、(?)集(Ji)成(Cheng)电(Dian)路(Lu)触(Chu)发(Fa)器(Qi)、(?)高(Gao)反(Fan)压(Ya)可(Ke)控(Kong)硅(Gui)等(Deng)组(Zu)件(Jian)，(?)用(Yong)于(Yu)调(Diao)节(Jie)和(He)维(Wei)持(Chi)设(She)定(Ding)的(De)温(Wen)度(Du)，(?)确(Que)保(Bao)加(Jia)热(Re)过(Guo)程(Cheng)的(De)稳(Wen)定(Ding)和(He)安(An)全(Quan)。(?)