Hemispherical phase change heat storage water-tank-free solar water heater

The utility model discloses a hemispherical phase change heat storage water-tank-free solar water heater, which relates to the technical field of solar water heaters, and comprises a heat preservation mounting bottom plate, a solar water heater module is arranged at the top of the heat preservation mounting bottom plate, the solar water heater module is composed of a shell assembly and an element arrangement assembly, and the shell assembly comprises a bearing rotating seat. A rotating shaft is arranged in the bearing rotating seat, a fixed film-coated heat collection glass cover is arranged on one side of the bearing rotating seat, and a first movable film-coated heat collection glass cover and a second movable film-coated heat collection glass cover are arranged on one side of the fixed film-coated heat collection glass cover. According to the utility model, the direct exposure contact between the internal elements of the sphere and solar energy is completed through the shell assembly, and the heat exchange