Improved solar energy conversion device

The invention discloses a novel solar energy conversion device. The novel solar energy conversion device comprises a square seat, a middle supporting rod fixedly arranged on the top of the square seatand a positioning mechanism arranged above the middle supporting rod, wherein a matching groove with an upward flat opening is formed in the middle supporting rod; a moving supporting rod is movablymounted inside the matching groove up and down; a supporting rod groove with an upward flat opening and a thread groove positioned below the supporting rod groove are formed in the moving supporting rod; the thread groove is internally provided with an output shaft; a thread block matched with a thread of the thread groove is arranged on the top of the output shaft; a transfer rod is arranged in the supporting rod groove upwards in an extending manner; a straight piece connecting piece is fixedly arranged on the top surface of a cylinder sleeve; a flat seat is arranged on the outer side of thestraight piece connecting