为什么大家普遍认为传统电热毯有辐射,而碳晶电热垫子无辐射?两者发热原理有何不同?谢谢!

2025-03-22 06:55:21
推荐回答(1个)
回答1:

普通电阻材料电热毯是电子在导体中穿行的时候和导体原子发生碰撞产生热量

那个所谓的碳晶电热是交变电场引起碳原子震荡、碰撞产热
正是应为碳晶材料上的优势,使产热更均衡,效率更高,更节能,所以使用体验上会更好
至于辐射不辐射,倒真的半斤八两
从原理上,普通电阻材料电热系统因为有交电流过,所以会产生低频电磁波,但是话又说回来,你碳晶材料也是要用到交变电场的,不可能没有辐射
最最重要的是,因为两者工作频率都很低,基本可以忽略电磁效应,辐射几乎为零,我个人估计只有手机的几万分之一,所以有没有害。。。楼主你自己判断吧。。。(电磁场理论认为电路辐射电磁波的能力和电路频率有非线性正相关关系,频率越高,电路越容易辐射电磁波出去,同时衰减也越快)
碳晶真正的优势在于材料本身很环保健康,如果是劣质电阻材料电热系统,用的材料再加热状态下可能会释放有害物质,这点碳晶就不用担心,其次还有省电,舒适安全等一系列优势。
最后一点关于电场与磁场
请参见麦克斯韦地磁场理论,里面有详细解释,简的说来就是变化的电场产生磁产,变化的磁场产生电场,两者大小与相互的导数有关联。在电磁辐射中两者是密不可分的。电磁辐射既有电场辐射又有磁场辐射
基本就这些
希望我的答案能给您带来帮助!
感谢您遇到不明白的事情就网上找答案的习惯,多一点质疑与理性判断,就少一点谣言与恐慌!
祝您生活愉快!

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