Alarm and control system for electric fire prevention controller

The utility model discloses an alarm and control system for electric fire prevention controller, including controller host computer and probe portion, the controller host computer includes the rack, is provided with the mutual module of system power supply module, figure and the mutual module of bus that carry out the data interaction through modbus internal bus in the rack, supply power and communicate through outside double -line bus between mutual module of bus and the probe portion, the controller host computer is still including the alarm device who is connected with little the control unit electricity, probe portion includes residual current detector, temperature measurement formula detector and fault electric arc detector, and the residual current detector is arranged in detecting the leakage current by the protection circuit, and temperature measurement formula detector is arranged in detecting the line footpath temperature by protection circuit key point, and the fault electric arc detector is arrang