CAN communication circuit of vehicle battery thermal management system

The utility model relates to the technical field of CAN communication, in particular to a CAN communication circuit of a vehicle battery thermal management system, which comprises an automobile master control, a VCU master control, a first CAN circuit, a second CAN circuit and a power supply circuit. The power supply circuit outputs 5V voltage and is used for supplying power to the first CAN circuit and the second CAN circuit; the first CAN circuit is electrically connected with the VCU master controller; the VCU master control acquires a signal and transmits the signal to the first CAN circuit for processing; the processed signal is used for controlling a heater and a compressor in the thermal management system; the second CAN circuit is electrically connected with the VCU master control and the automobile master control; the VCU master control acquires signals and transmits the signals to the second CAN circuit for processing; and the processed signal is transmitted to an automobile master controller, so th