On-line monitoring system and method for short-circuit line of strain insulator

The invention provides a strain insulator short-circuit line on-line monitoring system and method, the monitoring system comprises a short-circuit on-line monitoring device and a mobile equipment terminal, the short-circuit on-line monitoring device is in communication connection with the mobile equipment terminal, the short-circuit on-line monitoring device comprises a short-circuit signal acquisition module and a digital processing module, and the digital processing module is in communication connection with the mobile equipment terminal. The short-circuit signal acquisition module is connected with the strain insulator, and the digital processing module is connected with the short-circuit signal acquisition module. The monitoring method specifically comprises the steps that the strain insulator and the short circuit online monitoring device are assembled, after wire tightening work is started, a short circuit monitoring signal is sent, a short circuit state signal of the strain insulator is collected, the