Automatic arc-shaped heat preservation greenhouse

The invention discloses an automatic arc-shaped heat preservation greenhouse which comprises an automatic heat preservation top (4) installed on the top, a top photo-thermal receptor (8) is arranged in the heat preservation top (4), the lower portion of the photo-thermal receptor (8) is connected with a power device (9), the lower portion of the power device (9) is connected with an electric spiral rotating shaft (10), and the electric spiral rotating shaft (10) is provided with an outer spiral (11) and an inner spiral (12). The outer spiral (11) is connected with a heat preservation and insulation layer (13) through a connecting line (14), the inner spiral (12) is connected with a sunshade net (15) through the connecting line (14), and the heat preservation and insulation layer (13) and the sunshade net (15) are respectively composed of two parts. According to the automatic arc-shaped heat preservation greenhouse, automatic regulation and management are achieved through mutual cooperation of a photo-thermal