Self-adaptive water pump variable pressure difference control method, device and system

The invention relates to the technical field of heating and cooling system water pump control, and discloses a self-adaptive water pump variable pressure difference control method, device and system. The method comprises the following steps: acquiring meteorological data in a future preset time, and predicting a user load of a heating and cooling system in a target area in the future preset time through a load prediction model; substituting the user load in the future preset time into the dynamic simulation model to obtain a water supply and return pressure difference change curve of the heat and cold supply system in the target area; and controlling the water pump operation frequency of the heating and cooling system in the target area based on the water supply and return pressure difference change curve. The water pump variable pressure difference control method provides an energy-saving optimization space for pressure difference control of a current regional heating and cooling system, reduces water pump c