Air conditioner and fresh air system predictive control system based on indoor people number

The utility model discloses an air conditioner and fresh air system predictive control system based on the number of indoor people. The system comprises at least one image collector arranged at a first indoor preset position, at least one gas concentration sensor arranged at a second indoor preset position and a controller, wherein the controller is respectively connected with the at least one image collector and the at least one gas concentration sensor; the data fusion module is used for receiving the obtained current indoor image and/or current indoor carbon dioxide concentration data through data fusion; and according to the current indoor carbon dioxide concentration data and the current indoor people number, the temperature change amount and the carbon dioxide concentration change amount after the first preset duration are obtained, and the air conditioner and/or the fresh air system are/is adjusted according to the temperature change amount and the carbon dioxide concentration change amount. The system