Electric fire disaster monitoring detector

The utility model discloses an electric fire disaster monitoring device which is characterized by comprising an aftercurrent transformer, a temperature sensor, a leakage current detection unit and a monitoring unit, wherein the aftercurrent transformer is used for collecting aftercurrent signals of a loop to be detected; the temperature sensor is used for collecting the temperature signal at the loop to be detected; the leakage current detection unit comprises a leakage current collecting circuit, a temperature collecting circuit, a signal amplifying circuit, an AD (analogue to digital) switching circuit, a CPU (central processing unit) and a communication circuit, and the aftercurrent signals collected by the leakage current collecting circuit and the temperature signal collected by the temperature collecting circuit are both amplified by the signal amplifying circuit, sent to the AD switching circuit for signal switching, and then sent to the CPU for data processing, and then output by the communication circuit; the monitoring unit comprises a communication circuit, a CPU and a display module; the communication circuit is connected with a communication circuit of a leakage current detection device in a communication mode; and the CPU of the monitoring unit receives the data transmitted by the leakage current detection unit and processes the data, and the data are then sent to the display module to display the aftercurrent value and temperature value of the loop to be detected; and the leakage current can be warned in an early stage, and accidents are prevented.