Efficient heat collection solar water heater

The utility model provides an efficient heat collection solar water heater, and belongs to the technical field of solar water heaters. Comprising a water storage tank and a support, the water storage tank is fixed to the top of the support, a tail bracket is fixed to the inner side of the support, a plurality of vacuum pipes distributed at equal intervals are fixed between the water storage tank and the tail bracket, and an adjusting frame located on the back faces of the vacuum pipes is arranged on the inner side of the support; a plurality of first diffusion plates are rotatably arranged in the support, a plurality of second diffusion plates are rotatably arranged in the adjusting frame, the first diffusion plates and the second diffusion plates are arranged at intervals, the second diffusion plates are located between the two first diffusion plates, a fixing frame is fixed to the bottom in the support, and the front end of the adjusting frame is rotatably connected to the inner side of the fixing frame; an