Solar energy auxiliary power supply system for optical fiber welding machine

The utility model discloses a solar energy auxiliary power supply system for an optical fiber welding machine. The solar energy auxiliary power supply system comprises four pieces of rectangular fabric and a solar energy controller, wherein the four pieces of rectangular fabric are in the same size and sequentially connected. Round holes are formed at all corners of each piece of rectangular fabric; a piece of base fabric is connected with one of the four pieces of rectangular fabric; a rectangular battery board is fixedly arranged on each of the four pieces of rectangular fabric, and the four rectangular battery boards are connected in parallel to form a solar panel array; the current output end of each rectangular battery board is connected to the charging terminal of the solar energy controller; and the solar energy controller further comprises a storage battery charging interface used for charging the storage battery in the optical fiber welding machine and a loading interface used for being connected wit