2020 CAC广州国际先进陶瓷展(zhan)览(lan)会
先进(jin)陶瓷(ci)群入口
压敏陶瓷是什么?
压敏陶(tao)瓷(ci)材料是指在某一特定电压范围内具有非(fei)线性欧姆(V-I)特性、其电(dian)(dian)阻值随电(dian)(dian)压的增加而急(ji)剧(ju)减(jian)小的一种半导体陶(tao)瓷材料。
压敏陶瓷有什(shen)么功能(neng)?
根据这(zhei)种(zhong)非线性V-I特性,可以用这种(zhong)半(ban)导体(ti)陶瓷材(cai)料制(zhi)成非线性电(dian)阻(zu)元件,即压敏(min)电(dian)阻(zu)器。压敏(min)陶瓷也(ye)主(zhu)要用于制(zhi)作压敏(min)电(dian)阻(zu)器。
压敏电阻器(qi)有(you)什么用?
压(ya)(ya)敏电(dian)阻器可以(yi)用(yong)(yong)于抑制电(dian)压(ya)(ya)浪涌、过电(dian)压(ya)(ya)保护。简单来说,就是可以(yi)缓高压(ya)(ya),可以(yi)避雷,还能超导。因此在(zai)航天、航空、国防、电(dian)力、通讯、交通和家用(yong)(yong)电(dian)器等许多(duo)领域都有广泛应用(yong)(yong)。
雷电(dian)(dian)(dian)灾害(hai)(hai)一直是危害(hai)(hai)家(jia)用(yong)电(dian)(dian)(dian)器的(de)重(zhong)要元凶,雷电(dian)(dian)(dian)侵入室内线路,直接损害(hai)(hai)了家(jia)用(yong)电(dian)(dian)(dian)器设备的(de)安(an)全,这时压敏(min)电(dian)(dian)(dian)阻浪涌保护的(de)重(zhong)要性便显(xian)现出(chu)来。为(wei)解决家(jia)用(yong)电(dian)(dian)(dian)器可能遭受的(de)雷电(dian)(dian)(dian)浪涌,很(hen)多家(jia)用(yong)电(dian)(dian)(dian)器都装配了压敏(min)电(dian)(dian)(dian)阻器,如电(dian)(dian)(dian)视机(ji)、空调(diao)、洗衣机(ji)、电(dian)(dian)(dian)冰箱、电(dian)(dian)(dian)脑等(deng)。
那它(ta)和压电陶瓷有什么区别?
压电陶瓷(ci)是一种能(neng)够将机械能(neng)和电能(neng)互相转换的信(xin)息功能(neng)陶瓷(ci)材料。
比如小朋友互送的会放音乐的电子贺(he)卡,贺(he)卡中能(neng)听到的优美音乐,是音乐芯片中的压电陶瓷在振动发出声(sheng)音。
2020 CAC广(guang)州国际先进(jin)陶(tao)瓷组委(wei)会 整(zheng)理