Active early warning type safe barrier

The utility model discloses an active early warning type safe barrier. The active early warning type safe barrier comprises a radar detection switch; a single-chip microcomputer connected with the radar detection switch and used for data processing; an LED display screen connected with the single-chip microcomputer and used for displaying early warning information; a voice module connected with the single-chip microcomputer and used for emitting alarming sounds; and a storage battery module connected with the radar detection switch, the single-chip microcomputer, the LED display screen and the voice module, and used for providing a power source. A conventional safe barrier is modified into the active early warning type safe barrier by adopting the LED display screen and the radar alarm module. The defect that a person easily enters an electrified space by mistake when the conventional safe barrier is applied is solved. Personal safety of the personnel is improved. The equipment safety management level is furt