Living body monitoring and alarming device for blind area of excavator

The utility model relates to the field of monitoring and alarming devices, in particular to a living body monitoring and alarming device for a blind area of an excavator. Comprising a base, a magnet is fixed at the lower end of the base, a storage battery and a relay are fixed in the base, a loudspeaker is fixed on the base on one side of the magnet, an LED warning lamp is fixed at the upper end of the base, a first folded plate and a second folded plate are fixed at the upper end of the base on one side of the LED warning lamp, and two human body imaging sensors are fixed on the first folded plate. The human body imaging sensor penetrates through the second folded plate, and the part, penetrating through the second folded plate, of the human body imaging sensor is packaged in the transparent cover. According to the excavator, when a human body and an animal get close to the excavator in work, the LED warning lamp and the loudspeaker can be started, the person getting close to the excavator and a driver of th