The utility model relates to the technical field of monitoring systems, in particular to a
wireless transmission circuit for alarm signals, which comprises a transmitting module and a receiving module which are connected in a
wireless communication mode. The transmitting module comprises a
lithium battery
management unit, a
voltage reduction and stabilization unit, a micro-
processing transmitting unit, a
wireless transmitting unit and at least one alarm detection unit; the
lithium battery
management unit is electrically connected with the
voltage reduction and stabilization unit, both the
lithium battery
management unit and the
voltage reduction and stabilization unit are electrically connected with a positive 12V power supply, the output end of the
voltage reduction and stabilization unit is electrically connected with the alarm detection unit, and the alarm detection unit is electrically connected with the micro-
processing sending unit; the utility model aims to provide the
wireless transmission circuit of the
alarm signal, the conversion and forwarding of the
alarm signal are realized through the wireless technology, the
lithium battery management unit is added as
standby power, the
circuit design can be simplified, the line connection is convenient, the
voltage reduction and stabilization unit is matched with the voltage stabilization unit to supply power to the main circuit, and the reliability of the circuit is improved. The
power consumption of the
system can be maximally reduced.