Greenhouse control system

The invention discloses a greenhouse control system. The system comprises a greenhouse composed of a shell and a control room; the system is characterized in that a temperature regulator and a CO2 sensor are further mounted in the shell; a controller is further arranged on the periphery of the shell; the temperature regulator and the CO2 sensor are connected with the controller; the controller isconnected with the control room; a door, a window and a temperature sensor are arranged on the shell; the temperature regulator is a plurality of air conditioning devices; the CO2 sensor comprises a dilute hydrochloric acid raw material bottle, a sodium carbonate raw material bottle and electromagnetic valves; the electromagnetic valves used for controlling opening and closing of bottle necks aremounted at the bottle necks of the dilute hydrochloric acid raw material bottle and the sodium carbonate raw material bottle; the control signal input ends of the electromagnetic valves are connectedwith the CO2 sensor; a comp