High-frequency partial discharge signal frequency gating device based on filtering technology

The utility model discloses a high-frequency partial discharge signal frequency gating device based on a filtering technology. The high-frequency partial discharge signal frequency gating device comprises a grounding pole, a power socket, a battery, a battery shell, a power switch, a frequency modulation switch, a bottom shell, a signal input channel, a signal output channel, a printed circuit board and a cover. The utility model belongs to the technical field of power equipment state monitoring, and particularly relates to a high-frequency partial discharge signal frequency gating device based on a filtering technology, which realizes a function of filtering electromagnetic interference signals in a substation site and an earth screen space. 本实用新型公开了一种基于滤波技术的高频局部放电信号频率选通装置，包括接地柱、电源插座、电池、电池壳、电源开关、调频开关、底壳、信号输入通道、信号输出通道、印制电路板和盖子。本实用新型属于电力设备状态监测技术领域，具体是指一种实现变电站现场、地网空间内电磁干扰信号滤除功能的基于滤波技术的高频局部放电信号频率选通装置。