Counting monitoring device and system for lightning arrester

The utility model discloses a counting monitoring device and system for a lightning arrester, the counting monitoring device comprises a counter, the lightning arrester and a protection circuit whichare electrically connected in sequence, the input end of the protection circuit is electrically connected with the lightning arrester, and the output end of the protection circuit is electrically connected with the input end of the counter. The counting monitoring device can monitor the change condition of the leakage current of the lightning arrester in real time and record the discharge action times of the lightning arrester, and can judge the abnormal condition of the lightning arrester in the operation process in time according to the change condition of the leakage current, thereby preventing accidents and improving the operation reliability of an electric power system. 本实用新型公开了一种避雷器用计数监测装置及系统，计数监测装置包括了依次电性连接的计数器、避雷器和保护电路，所述保护电路的输入端与避雷器电连接，保护电路的输出端与计数器的输入端电连接。通过本实用新型的计数监测装置能够实时监测避雷器泄漏电流的变化情况和记录避雷器的放电动作次数，根据泄漏