PTC (Positive Temperature Coefficient) electric heating system for photovoltaic power generation

The utility model discloses a PTC (Positive Temperature Coefficient) electric heating system for photovoltaic power generation, which is characterized in that a solar panel is arranged outdoors and is used for converting solar energy into direct current; the inverter is used for converting direct current output by the solar panel into alternating current with fixed frequency and fixed voltage; the PTC electric heater is used for converting alternating current electric energy output by the inverter into heat energy to heat the indoor space and comprises an electric heating body, the electric heating body comprises a heat conduction pipe and a plurality of PTC ceramic heating cores with different heating temperature intervals, the heat conduction pipe comprises a pipe body and a plurality of cooling fins annularly distributed on the peripheral face of the pipe body, and the PTC ceramic heating cores are arranged in the pipe body. The plurality of PTC ceramic heating cores are respectively embedded in the tube b