Charging device worn on safety helmet based on Beidou positioning terminal

The utility model relates to a charging device, and discloses a Beidou positioning terminal-based charging device worn on a safety helmet, which comprises a device body (1), the back surface of the device body (1) is provided with a placement groove (101) for fixing a positioning terminal (2), and the front surface of the device body (1) is an arc-shaped concave surface (102) attached to the outer surface of the safety helmet. The device body (1) is provided with an elastic needle (103) which is in contact with a magnetic suction interface of the positioning terminal (2), the device body (1) is provided with a charging hole (112), and a copper insert (125) which transmits current to the elastic needle (103) through a wire (105) is arranged in the charging hole (112). According to the utility model, when the positioning terminal is worn on the safety helmet for use, the positioning terminal can still be charged, and the positioning terminal can be charged while a worker wears the safety helmet, so that the con