Air source heat pump with energy storage function and capable of supplying cold and heat simultaneously

The invention discloses an air source heat pump with an energy storage function and simultaneous cooling and heating, and belongs to the technical field of air source heat pumps. Comprising a four-pipe heat pump main machine capable of supplying cold and heat at the same time, the four-pipe heat pump main machine comprises a shell, a hot water supply pipe, a hot water return pipe, a cold water supply pipe and a cold water return pipe are led out of the shell from inside to outside, and control valves are arranged on the hot water supply pipe, the hot water return pipe, the cold water supply pipe and the cold water return pipe. A heat energy storage water tank and a cold energy storage water tank are arranged below the four-pipe heat pump main machine, spiral pipes are arranged in the heat energy storage water tank and the cold energy storage water tank, and the two ends of the spiral pipe in the heat energy storage water tank are connected with a control valve on a hot water supply pipe and a control valve on