Electronic control device of automatic water dispenser for pets

The utility model discloses an electronic control device of an automatic water dispenser for pets. The electronic control device comprises a power supply module for providing proper voltage, a microprocessor for carrying out concentrated control, and a human-machine interface connected with the microprocessor. The human-machine interface comprises keys for inputting information and a display screen for displaying information. A solenoid valve drive circuit connected with the microprocessor is also provided. The solenoid valve drive circuit is connected with a water drain valve. The water drain valve allows drinking water for pets to be poured into a water tank. The electronic control device also comprises a single processing circuit connected with the microprocessor. The single processing circuit is connected with a water level detection sensor. The display screen is an LCD display screen or an LED display screen. The water level detection sensor is provided with a first metal electrode and a second metal ele