Patent ID: 8683740

Claim:
A canopy greenhouse control system comprising: a first skeleton unit comprising a plurality of main brackets which are symmetrically arranged, wherein each of the main brackets extends to the upper edge of a curved tubular beam, and wherein one end of the curved tubular beam protrudes from each main bracket; a plurality of small crossbeams between the two curved tubular beams to reinforce the structure of the system; at least one louvered shutter between the two curved tubular beams and the two main brackets; a film covering between the two curved tubular beams; a first skeleton comprising a steel sheet removably disposed over gaps of two main brackets or the lower edges of two curved tubular beams, each of the two curved tubular beams comprising: a first end penetrating.one of the plurality of maion brackets near one tip and a free end of the one of the plurality of main brackets; and a second end coordinating with the one of the plurality of main brackets at another tip of the one of the plurality of main brackets; and a gutter constructed at the edge of the first skeleton unit; wherein each of the plurality of small crossbeams has a first free end and a second end coordinating with the another tip of the one of the plurality of main brackets, and wherein the middle segment of the main bracket is coupled with an upward curved slanted strut which is connected to the curved tubular beam and the gutter is further constructed between the curved slanted strut and the main bracket.