Zero-carbon building photovoltaic curtain wall device with steel structure

The invention discloses a steel-structure zero-carbon building photovoltaic curtain wall device, and the device comprises a seat plate which is welded to the side surface of an I-shaped beam; the through-wall cantilever penetrates through the wall thermal insulation structure and is provided with an inner end connecting seat and an outer end connecting seat; the aluminum keel is connected with the outer end connecting seat of the through-wall cantilever; the aluminum profile hanging beam is provided with a lateral hanging structure facing the aluminum keel, a wiring groove with an upward opening, a first hook groove and a second hook groove; the top of the photovoltaic glass plate is provided with a side hanging hook, and the bottom end of the photovoltaic glass plate is provided with a collet hook; the first hook grooves and the second hook grooves are arranged at intervals inside and outside in the direction perpendicular to the wall face, the photovoltaic glass plates are installed at an elevation angle, a