City canopy and control method thereof
A technology for sky screens and cities, applied in optics, instruments, projection devices, etc., can solve problems such as economic losses, collapse of trusses, and major safety accidents
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Embodiment 1
[0082] Please also refer to Figure 1 to Figure 4 , an urban sky screen 100 provided by the embodiment of the present invention includes a truss 10, a screen 20, a screen retractable device, a sensor 30, and an electrical control device (not shown), and the screen 20 includes a fixed end 20a and a free end oppositely arranged 20b, the fixed end 20a is fixedly connected to the truss 10, and the free end 20b can be folded or unfolded relative to the fixed end 20a; the curtain retracting device includes a first fixing component and a rope 40, and the first fixing component is fixed on On the truss 10, the rope 40 includes a first winding end and a second winding end, the first winding end is connected to the first fixing component, and the second winding end passes through the fixed end 20a of the curtain 20 Set on the free end 20b of the screen 20, and fixedly connected with the free end 20b of the screen 20, one end of the sensor 30 is fixed on the truss 10, the other end of th...
Embodiment 2
[0127] Please refer to Figure 1 to Figure 8 Embodiment 2 of the present invention provides a control method for the above-mentioned city sky screen, the city sky screen 100 includes the above-mentioned truss 10, the above-mentioned curtain 20, the above-mentioned curtain retractable device, the above-mentioned sensor 30 and the above-mentioned electrical control device , the above-mentioned curtain 20 includes a fixed end 20a and a free end 20b arranged oppositely, the fixed end 20a is fixedly connected with the above-mentioned truss 10, and the free end 20b can be folded or unfolded relative to the fixed end 20a; the above-mentioned curtain retracting device Including a first fixing component and a rope 40, the first fixing component is fixed on the above-mentioned truss 10, the rope 40 includes a first winding end and a second winding end, the first winding end is connected to the first The fixing assembly, the second wrapping end is passed through the free end 20b of the a...
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