The Design of Wireless Communication Function of Traction Substation Electrical Signal Monitoring Device
In this paper, according to the characteristics of the electrified railway electrical signal, wireless communication functions of signal acquisition system was designed. Acquisition system through two levels of transformer to realize signal conversion, finished signal filtering by using fourth order filter; Acquisition control circuit adopted double CPU structure, ADSP to perform high speed data acquisition, signal processing and analysis, signal compression and encryption, M C 551 was used to control the man machine interface and wireless communication interface, between the two CPU communication through dual port RAM to implement; Based on GSM technology and design of the wireless communication circuit.