Integrated solar water heater

The utility model discloses an integrated solar water heater. A cavity is arranged in a heat insulating layer (6). The cavity is provided with a heat storing water tank (5) matched with the shape and the size of the cavity. A side surface of the heat insulating layer (6) is provided with a window communicated with the cavity of the heat insulating layer. A light-pervious cover plate is arranged on an external port of the window. A vacuum heat collecting cavity (2) is formed between the light-pervious cover plate (1) and the heat storing water tank (5). The inner portion of the vacuum heat collecting cavity (2) is under negative pressure. The tank board of the heat storing water tank (5) towards the light-pervious cover plate (1) is coated with a selective absorbing coating. The characteristic of vacuum heat insulation and pressure-bearing operation of the surface type heat collecting and the heat collecting cavity of the integrated solar water heater are integrated into a whole. The integrated solar water hea