Novel clamping type photovoltaic junction box

The invention discloses a novel clamping type photovoltaic junction box, which comprises a box body and a box cover, wherein an integrated copper plate is arranged in the box body, the integrated copper plate comprises a copper sheet and a diode module, one end of the copper sheet is provided with a cable joint, four corners of the copper sheet are respectively provided with a positioning hole, aplurality of fool-proof holes are formed in one side of the copper sheet, the diode module comprises a plastic block wrapped in the middle of the copper sheet through injection molding and a diode wrapped in the plastic block, a copper plate supporting seat is arranged at the bottom of the box body, an n-shaped protrusion is arranged at one end of the box body, a cable guide groove is formed in the back face of the n-shaped protrusion, a clamping operation hole is formed in the back face of the box body, the cable guide groove is connected with the clamping operation hole, and a pressing blockmatched with the cable gu