Wireless monitoring system and method for signal machine

The invention provides a wireless monitoring system and a method for a signal machine, and is applied to the field of signal machine safety of rail transit, and the system comprises a wireless transmission unit which is connected with a sending unit and a receiving unit, and comprises a sending unit which is used for connecting a signal machine monitoring interface with a monitoring system CAN interface to obtain first data; the wireless transmission unit is used for carrying out ID identification on the first data according to a dial switch and carrying out timestamp marking according to an RTC clock to obtain second data; and the receiving unit is used for connecting a monitoring system RS485 interface with a dispatching center interface, obtaining the second data according to a Lora communication module and transmitting the second data through the RS485 interface to obtain a signal machine monitoring result. According to the invention, by adopting different receiving and transmitting modes, the wireless tr