1. A person location detecting apparatus comprising a light emitting section for radiating a projection light and a TOF (Time Of Flight) method distance image sensor for receiving a reflected light from a room space of the projection light to output distance information in accordance with a distance to an object in the room space from each of a plurality of light receiving sections, the person location detecting apparatus further comprising a distance change detecting section for detecting a distance change to the object in the room space based on the distance information from the TOF method distance image sensor and a person distinguishing section for distinguishing a person by identifying a shape of a detected distance change area to detect a direction and distance to the distance change area that is identified as a shape of a person as a location of a person.