尘土颗粒带电对电接触可靠性的影响及电荷的测量  

The Effect of Electrical Charged Dust Particles on Electric Contact and the Measurement of Electrical Charge

作　　者：高锦春[1] 章继高[1] 

机构地区：[1]北京邮电大学电接触科研室,北京100876

出　　处：《电子元件与材料》2003年第10期49-51,共3页Electronic Components And Materials

基　　金：国家自然科学基金资助项目(50277002)

摘　　要：阐述了尘土颗粒带电对电接触可靠性的影响以及测量电荷的实验方法,并采用密立根方法对尘土颗粒的带电量进行了测量.对实验数据进行了曲线拟合,结果显示,尘土颗粒所带的电荷随着尘土颗粒半径的增加而增大.半径在0.5～2.5 μm的颗粒,所带电荷在1.3×10-18～1.1×10-16C范围内.The effect of electrical charged dust particles on electric contact and the method for measuring electric charges are discussed. The measurement was carried out by Millikan testing method, and 183 sets of data were collected and used for fitting the curves. The result shows that electric charges increase with the increase of the radius of the particles. Particles with a radius of 0.5~2.5 靘 may carry electric charges from1.3×1018 C to 1.1×1016 C.

关 键 词：电接触 尘土 电荷 测量 

分 类 号：TM503.5[电气工程—电器]