开尔文滴水起电机具有丰富的物理思想而倍受物理工作者的关注.由于开尔文起电机起电效果影响因素诸多，其中 湿度的影响尤为显著.如何在湿度较高环境下，提高开尔文滴水起电机的起电性能成为当前的研究热点.本文对开尔文滴水起电机的制作材料、水滴流速、感应环匝数、滴嘴到感应环距离和滴落距离等方面进行优化.改良后的开尔文滴水起电机的起电时间大幅度缩短，且在空气相对湿度达85%的环境中，起电现象也非常明显.

Kelvin dripping - water charge collector has attracted widespread attention as its potential applications.Its charge collector effect is affected by many factors，especially by the humidity of the environment. Thus it is a research hotspot on improving the charge collector effect in high humid environment. The traditional 　　Kelvin dripping-water charge collector is improved by optimizing its production materials，induction coil turns， dropping velocity，distance from dribbling nozzle to induction coil，dripping distance，etc.Experimental results show that the starting time of the improved Kelvin dripping - water charge collector is shortened significantly，and a relatively remarkable high electrostatic voltage is obtained in a high humid atmosphere up to 85%.