Wireless receiving device of fire hazard monitoring equipment

The utility model relates to a wireless receiving device of fire hazard monitoring equipment, comprising a GSM (Global System for Mobile Communications) wireless transmitting and receiving circuit and a single-chip microcomputer control circuit; wherein an output signal of the GSM wireless transmitting and receiving circuit is controlled by the single-chip microcomputer control circuit and output to a communication interface circuit; and an output signal of the communication interface circuit is transmitted to a PC (Personal Computer) machine. The wireless receiving device of the utility model adopts the GSM wireless transmitting and receiving circuit to receive and transmit a digital signal, then the digital signal is decoded by a single-chip microcomputer and transmitted to the PC machine through a 485 bus, after that, a current state is displayed by a display system software of the PC machine, and alarm information can be transmitted to a designated person through a GSM module, thus the purpose of unmanned