Greenhouse flower planting control system

The utility model discloses a greenhouse flower planting control system which comprises a main control circuit, a 485 communication circuit, a time chip circuit, a touch screen module circuit, a water level abnormity detection and alarm circuit, a direct current relay circuit, a 24V-5V power conversion circuit, a 5V-3.3 V power conversion circuit, an EEPROM data storage circuit, a WIFI circuit and a 24V/20A switching power supply. The system comprises a plurality of soil temperature and humidity sensors, an illumination intensity sensor, a plurality of direct-current electromagnetic relays, a direct-current electromagnetic valve, a plurality of plant lamps, a direct-current water pump, a water level monitoring sensor, a water tank, a plurality of drip irrigation heads and drip irrigation pipes, a user can monitor soil humidity, and if the soil humidity does not reach a set threshold value, the system supplements water to corresponding flowers according to set duration; if the illumination intensity of the env