Student attendance management device
A technology of attendance management and students, applied in the field of student attendance, can solve problems such as students skipping classes, substitutions, unfavorable school teaching quality, etc., to achieve the effect of ensuring safety and preventing substitutions
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Embodiment 1
[0025] see Figure 1~3 , a student attendance management device, including a protection tube 1, the upper right side of the protection tube 1 is provided with a protruding hole 2, and a sealing cover 3 is hinged through a hinge 4 in the protruding hole 2, and the sealing cover 3 is provided with a spring 5 on the inner end upper part, and the top end of the spring 5 is fixedly connected to the inner cavity top wall of the protection tube 1, and the inner cavity left side wall of the protection tube 1 is provided with an electric telescopic rod 6, and the electric telescopic rod The movable end of telescopic rod 7 on 6 is fixedly connected with the side plate 8 that cooperates with sealing cover 3, and described side plate 8 corresponds to protruding hole 2 on the horizontal plane, and the positive end surface of side plate 8 is provided with face recognition camera 9. The bottom wall of the inner cavity of the protective tube 1 is provided with a controller 10, the controller ...
Embodiment 2
[0027] This embodiment is a further elaboration on the basis of Embodiment 1. The bottom end of the protective tube 1 is fixedly connected to the turntable 11, and the turntable 11 is rotatably connected to the support plate 13 through the guide rail 12. The guide rail 12 is a ring Structure, between the guide rail 12 and the turntable 11 is a sliding connection, through the rotation of the turntable 11 on the guide rail 12, the angle of the protection tube 1 can be directly adjusted, and then the angle of the face recognition camera 9 can be adjusted to facilitate the selection of a suitable angle for shooting. identify.
[0028] The center of the bottom end surface of the support plate 13 is provided with a motor 16, and the motor shaft of the motor 16 is fixedly connected to the rotating shaft 14. 15 is rotatably connected on the support plate 13, the motor 16 is connected with the controller 10, the controller 10 controls the start of the motor 16, and then the motor 16 dr...
Embodiment 3
[0030] This embodiment is a further elaboration on the basis of Embodiment 2, the left end of the support plate 13 is fixedly connected to the connecting rod 17, and the overhanging end of the connecting rod 17 is fixedly connected to the card frame 18, and the card frame 18 It is a U-shaped structure, and one side end of the card frame 18 is embedded with a screw rod 19, which is threadedly connected between the card frame 18 and the screw rod 19, and one end of the screw rod 19 is fixedly connected to the control panel 20, and the side end of the control panel 20 A number of anti-skid grooves 21 are evenly provided, and the other end of the screw rod 19 rotates through the bearing seat 22 to connect the splint 23. The card holder 18 is clipped on the door frame, and the control panel 20 is rotated in the forward direction, thereby driving the screw rod 19 to rotate in the forward direction. 19 moves upwards in a spiral, and then pushes the splint 23, so that the splint 23 is ...
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