Capacitor implosion and sparking detection device and system

The invention relates to a capacitor implosion and sparking detection device and system. The device comprises a voltage detection unit, an AD conversion unit, a single-chip microcomputer, a data storage unit, a data transmission unit, an upper computer and a power supply module unit, wherein the voltage detection unit is connected with the single-chip microcomputer through the AD conversion unit, the data storage unit is connected with the single-chip microcomputer, the single-chip microcomputer is connected with the upper computer through the data transmission unit, the upper computer is used for sending control information to the single-chip microcomputer through the data transmission unit and receiving signals output by the single-chip microcomputer through the data transmission unit, and the AD conversion unit, the single-chip microcomputer, the data storage unit and the data transmission unit are all connected with the power supply module unit and supplied with power by the power supply module unit. The device can effectively detect whether implosion or sparking occurs in a capacitor and is simple in structure, convenient to use and quite stable in performance.