Non-closed space environment regulation and control system and regulation and control method thereof

The invention belongs to the technical field of building space environment regulation and control and particularly relates to a non-closed space environment regulation and control system. The system comprises indoor and outdoor temperature and humidity sensors, an indoor carbon dioxide sensor, an outdoor rain sensor, indoor and outdoor wind pressure sensors, indoor and outdoor illuminance sensorsand an outdoor particle content sensor and further comprises a main controller, a shading mechanism arranged at a daylight opening, a window sash arranged at a ventilation opening and a linkage mechanism for controlling the window sash to be opened and closed, wherein output ends of the sensors are connected with an input end of the main controller, and an output end of the main controller is connected with input ends of the linkage mechanism and the shading mechanism. The system is advantaged in that daylighting, ventilation, temperature and humidity in corresponding spaces can be regulated and controlled according t