··························································1.微电脑式电热龙头工作原理:自来水进入电热龙头后推动浮磁或水流传感器,浮磁或水流传感器把进水信号传递给电路板,电路板接到信号后发送信号给发热管,发热管接到信号后开始加热,并把热量传递给经过水龙头内自来水,这样自来水流出龙·头后出来的就是热水······················································································································· ·························································2.机械式电热龙头的工作原理:自来水进入电热龙头后推动水压开关,水压开关在水压力作用下由断开转为闭合,水压开关闭合后接通电源,接通电源后的发热管开始加热,并把热量传递给过水龙头内自来水,这样自来水流出龙头后出来的就是热水·························································································································