Air source heat pump auxiliary solar water heating system suitable for rail traffic base

The utility model relates to an air source heat pump assisting solar water heating system which is suitable for rail traffic base, comprising a heat-accumulation water tank(2), a solar heat collector array(1) connected with the heat-accumulation water tank(2), an air source heat pump(4) and a buffer hot water tank(3) in series connection between the heat-accumulation water tank(2) and user; the air source heat pump(4) is connected with the buffer hot water tank(3). The utility model can improve solar energy utilization rate, save energy consumption and guarantee hot water supply at any time.