Fault detection device for lightning arrester

The fault detection device comprises a fault detection terminal and a detection analysis terminal, the fault detection terminal is used for obtaining working parameters of the lightning arrester, the working parameters comprise the actual working temperature of the lightning arrester, and the fault detection terminal comprises an infrared acquisition module, an MCU module and a wireless transmission module. The infrared acquisition module, the MCU module and the wireless transmission module are electrically connected in sequence; the detection and analysis terminal is used for judging the working state of the lightning arrester according to the working parameters of the lightning arrester, the detection and analysis terminal comprises a wireless receiving module, a data processing module and a storage module, the wireless transmitting end is in communication connection with the wireless receiving end, and the data processing module is connected with the wireless receiving end and the storage module. The worki