Safety control circuit of remote control car

The utility model discloses a safety control circuit of a remote control car. The safety control circuit comprises a remote control car power supply circuit, a master control loop, a relay branch control loop and a remote control car wireless serial port module circuit, the relay branch control loop comprises a functional single-chip microcomputer circuit, a safety single-chip microcomputer circuit, a logic gate circuit, a relay interface and a drive circuit. The master control loop comprises an emergency stop signal receiving module and a safety relay. According to the safety control circuit of the remote control car, double-loop and double-frequency control of the main control circuit is achieved, and the safety performance is greatly improved. 本实用新型公开了一种遥控车安全控制电路，包括遥控车电源电路、总控制回路、继电器分支控制回路、遥控车无线串口模块电路；所述继电器分支控制回路包括功能单片机电路、安全单片机电路、逻辑门电路、继电器接口及驱动电路；所述总控制回路包括急停信号接收模块、安全继电器。本实用新型的遥控车安全控制电路，实现主控电路的双回路、双频控制，安全性能得到了很大提高。