Novel energy-saving solar heating system

The utility model provides a novel energy-saving solar heating system. The novel energy-saving solar heating system comprises a solar generating unit, a high-capacity electrical storage device, a RS485 conversion device, a photo sensor, a temperature sensor, a solar heating plate, a heating water tank, a relay device, a power supply device, a programmable logic controller (PLC), a solenoid valve driving device, an electric heater driving device, an electric heater, a solenoid valve constant temperature water tank and a power grid. The novel energy-saving solar heating system has the advantages of rational design, energy conservation and emission reduction, strong practicability, more humanization, high degree of automation, and high energy utilization ratio, is capable of solving the problem that the effect of the solar heating system is poor under the situation without enough illumination, using the high-capacity electrical storage device and the solar generating unit combined with the power grid to supply the power to the system, saving the energy and protecting the environment. In addition, the closed loop control is used, the degree of automation is high, the energy utilization ratio is high, and the development potential is large, the novel energy-saving solar heating system can be promoted in the market.