Intelligent multi-communication system and method for electromobile alternate current charging pile in mountainous environment

The invention relates to an intelligent multi-communication system and method for an electromobile alternate current charging pile in a mountainous environment and belongs to the technical field of new energy and communication. The intelligent multi-communication method is combined with various communication modes including 230 MHz wireless private network communication, PLC communication and GPRS/CDMA wireless public network communication, and mainly comprises a master station layer, a communication channel layer and an alternate current charging pile communication unit layer, wherein the master station layer is in charge of data management and application; the communication channel layer performs message identification and environment judgment and selects the corresponding communication modes; the alternate current charging pile communication unit layer is in charge of data sending and command execution in the different communication modes. The intelligent multi-communication method comprises the following