Communication system of multifunctional vehicle

The utility model discloses a communication system of a multifunctional vehicle, which is characterized in that a lower vehicle chassis controller is in communication connection with a remote controller receiver, a black box, a lower vehicle crane controller, a force limiter control and display all-in-one machine, a first wireless transceiver module and a tilt angle sensor through a CAN (Controller Area Network) bus to form a CAN1 network; the loading crane controller is in communication connection with a rotary encoder, a length angle sensor, a winch absolute value encoder, an oil pressure sensor and a second wireless transceiver module through a CAN bus to form a CAN2 network; the lower chassis controller and the upper crane controller are connected through a CAN bus to form a CAN3 network. All nodes, needing communication, of the multifunctional vehicle are divided into an upper part and a lower part for respective management, and an upper central controller and a lower central controller are networked thr