Frame structure of photovoltaic module and production process thereof

A frame structure of a photovoltaic module, configured to mount a photovoltaic structure,

• the frame structure comprises:
• a supporting arm extending along a first direction;
• a first mounting arm, a second mounting arm, and a third mounting arm, which are mounted on a same side of the supporting arm;
• and a fourth mounting arm extends between the second mounting arm and the third mounting arm;
• the first mounting arm, the second mounting arm, and the third mounting arm all extend along a second direction, and are arranged sequentially in the first direction;
• the first direction is perpendicular to the second direction, and the first direction and the second direction are respectively perpendicular to an extension direction of the frame structure;
• the supporting arm comprises a first supporting structure, and a second supporting structure fixedly connected to the first supporting structure;
• the first mounting arm, the second mounting arm, and the first supporting structure form a mounting groove, and the mounting groove is configured to mount the photovoltaic structure;
• the second mounting arm, the third mounting arm, the fourth mounting arm, and the second supporting structure form a connecting groove, and the connecting groove is configured to mount a corner connector;
• wherein an inner wall of the mounting groove is provided with reinforcing ribs, wherein the first mounting arm is provided with a second reinforcing rib;
• wherein the fourth mounting arm is provided with a notch to expose the inner wall of the connecting groove.