What is a phase change heat storage device for an energy storage interconnected heat pump system?

The utility model relates to a phase change heat storage device for an energy storage interconnected heat pump system, comprising an electric heat pump, a compressor, a first input pipe, a heat storage box, a solar energy heat exchanger, a second input pipe, an output pipe, a reflux pipe, a heat exchange pipe and an intelligent control host, the heat storage box is connected with the electric heat pump and the solar energy heat exchanger through a first input tube and a second input tube respectively at one end, and is communicated with the output tube and the reflux tube at the other end The compressor is arranged on the first input pipe between the electric heat pump and the heat storage box. The invention is favorable for enriching heat supply modes, saving energy, environmental protection and convenient use by setting electric heat pump, compressor and solar heat exchanger, and for controlling independent or synchronous work of each heat storage unit by setting a plurality of heat storage units and connecting pipes, better heat storage effect, intelligent control host, connecting control valve, input and Output Control Valve and temperature sensor settings, is conducive to improving the degree of intelligent control.