| 摘要 |
PROBLEM TO BE SOLVED: To provide an easy-to-handle power saving air conditioning system and a control method in which presence and the number of persons in a living room can be determined accurately along with the mode thereof and air conditioning state can be controlled depending on the mode while ventilating appropriately. SOLUTION: An air conditioning system comprises a plurality of human body sensors 1 arranged substantially on a line along the moving direction of human body at an indoor inlet, an indoor carbon dioxide gas sensor 2, first means 3 for recognizing movement of a human body based on a signal received from the human body sensor 1, second means 4 for recognizing presence of a human body based on the concentration of carbon dioxide gas detected by the sensor 2, means 5 for making a decision whether a human body is present or not based on the first and second recognition signals, and means 6 for controlling an air conditioner 7 based on a decision signal received from the decision means 5. |
