Cleaning type solar water heater with pressurization function

The invention relates to a cleaning type solar water heater with a pressurizing function. The cleaning type solar water heater comprises a water tank, a water pipe, at least two heat collecting pipes,a pressurizing mechanism and a cleaning mechanism, wherein the pressurizing mechanism comprises a driving assembly and at least two pressure control assemblies, the pressure control assemblies comprise sliding rods, piston blocks, sealing sleeves, connecting wires and springs, the cleaning mechanism comprises a filter screen, a cleaning assembly, a slag discharge pipe, a cone bucket and a collecting cylinder, and the driving assembly comprises a motor, a first gear, a second gear, a driving shaft and two installation bearings, and the cleaning assembly comprises a supporting rod, a supportingbearing, a paddle blade, a connecting shaft and a cleaning brush. In the cleaning type solar water heater with the pressurizing function, the water pressure of water drained from the solar water heater can be increased throug