Light chasing device and method for light chasing solar cell support

The invention discloses a light chasing device for a light chasing solar cell support. The device is characterized in that a photoresistor module is disposed directly above a U-shaped photogate, the photoresistor module includes a photoresistor, a narrow block, a wide block and a female seat connected with a horizontal shaft encoder gear motor, a transparent cover is arranged on the top of a rotating seat, an upper base extends into a lower half chamber of the rotating seat, a vertical shaft encoder gear motor and a photoelectric sensor are mounted in the base, an output end of the vertical shaft encoder gear motor is fixedly connected with a circular plate, a threading hole and a through hole are further arranged at the top of the base, the top of the photoelectric sensor extends from thethrough hole, and a trapezoidal block is mounted at the bottom of the circular plate. The device is advantaged in that the angle information of the strongest light direction in the space can be accurately obtained, solar cel