Abstract: A man-free sterilization system control device, circuits, a method and control modules, including a switch control module, a system control module, the first control circuit, the second control circuit and the third control circuit; the system control module respectively connects with a switch control module, the first control circuit, the second control circuit and the third control circuit; the device judges whether there are people in the room in the order of operation of three control devices set indoors, at the door and outdoors, the UV light turns on when it is confirmed that there is nobody in the room, the device turns off the UV light man-freely when it is judged that there may be people in the room. With the turning-on mode and the man-free turning-off function of the device, the UV light can only be turned on for sterilization when there is nobody in the room.

Abstract: An outdoor umbrella includes an umbrella post, an umbrella cover assembly and a folding-unfolding device. The umbrella cover assembly includes an umbrella rib assembly and an umbrella fabric covering the umbrella rib assembly. The folding-unfolding device includes a slide sleeve, a folding-unfolding handle assembly and a pull rod. A first oblique rod and a second oblique rod hinged and matched with each other are disposed on the umbrella rib assembly. One end of the first oblique rod is hinged to the slide sleeve. One end of the second oblique rod is hinged and matched with the umbrella post. A middle portion of the folding-unfolding handle assembly is hinged and matched with the umbrella post, and the folding-unfolding handle assembly is able to vertically stretch the pull rod in cooperation with a lever and drives the slide sleeve to slide vertically to fold or unfold the umbrella cover assembly.

Abstract: An outdoor umbrella includes an umbrella post, an umbrella cover assembly and a folding-unfolding device. The umbrella cover assembly includes an umbrella rib assembly and an umbrella fabric covering the umbrella rib assembly. The folding-unfolding device includes a slide sleeve, a folding-unfolding handle assembly and a pull rod. A first oblique rod and a second oblique rod hinged and matched with each other are disposed on the umbrella rib assembly. One end of the first oblique rod is hinged to the slide sleeve. One end of the second oblique rod is hinged and matched with the umbrella post. A middle portion of the folding-unfolding handle assembly is hinged and matched with the umbrella post, and the folding-unfolding handle assembly is able to vertically stretch the pull rod in cooperation with a lever and drives the slide sleeve to slide vertically to fold or unfold the umbrella cover assembly.

Abstract: An outdoor tent which includes a tent roof and a tent body. The tent roof includes a tent canopy, a telescopic assembly and a driving component. The tent canopy is used to cooperate with the telescopic assembly, and the telescopic assembly can realize extension or folding through the driving component, so that the tent canopy can be extended or folded.