Attendance checking device for student management

Through the design angle of the attendance device in the management of student management, the problem of low accuracy at different angles is solved by designing angle in the attendance device of student management. Essence

CN222420994UActive Publication Date: 2025-01-28CHONGQING COLLEGE OF ELECTRONICS ENG +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421227911.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-28
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing face recognition components of the attendance device for student management cannot adjust the angle, resulting in a decrease in recognition accuracy at non-frontal angles, especially in the case of side face or looking upward, which makes it difficult to extract features, further reducing the recognition accuracy. .

Method used

Design a student management device, including an angle adjustment mechanism. The agency can regulate the upper and lower angles of face recognition components by the coordination of rotating rods, gears and gradia to ensure that at different angles feature.

Benefits of technology

Through the angle adjustment function, the recognition accuracy of the face recognition system at different angles has been improved, the flexibility and stability of the use of the attendance device is enhanced, and the accuracy of the attendance data is ensured.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222420994U_ABST
    Figure CN222420994U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of angle adjustment, and discloses an attendance checking device for student management, which comprises a base, the top of the base is provided with a limiting groove, and the bottom of the limiting groove is provided with a sliding groove; the device main body is arranged at the top of the base; the fingerprint identification assembly is arranged on the front surface of the device main body; the protection mechanism is arranged at the top of the base; the angle adjusting mechanism is arranged on the top of the device body. When the face recognition assembly needs upward angle adjustment, the rotating block is rotated anticlockwise, the rotating block rotates to drive the ratchet wheel and the rotating rod to rotate, the rotating rod rotates to drive the gear to rotate, the gear rotates to drive the rack to move downwards, and the rack moves downwards to drive the face recognition assembly to move upwards. And when the face recognition assembly needs to be adjusted downwards, the end part of the pawl is pressed, so that the pawl is not clamped with the ratchet wheel, and then the rotating block is rotated clockwise, so that the effect of adjusting the up-down angle of the face recognition assembly is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of angle adjustment, in particular to an attendance device for student management. Background Art

[0002] Attendance devices for student management play a vital role in modern education. They can not only improve the accuracy and efficiency of attendance, but also provide rich data analysis support for educational institutions. Attendance devices for student management are mainly divided into the following types: Fingerprint recognition attendance machine: Attendance is performed by identifying students' fingerprint information. It has the advantages of good recognition effect and fast speed, but some people cannot use it. Face recognition attendance machine: It uses face recognition technology to perform attendance. It has the uniqueness of identity recognition, but it may be limited by the use environment. For example, it may not be used normally in areas with excessive outdoor light. In summary, attendance devices for student management play an important role in modern education. By selecting suitable attendance devices and using and managing them reasonably, the efficiency of teaching management and student attendance rate can be effectively improved.

[0003] Compared with the existing technology: the facial recognition component of the existing student management attendance device cannot adjust the angle, which may affect the recognition accuracy. When the student's face is not on the same horizontal line as the facial recognition camera of the attendance machine, or the student's face is facing at a large angle, the facial recognition system may not be able to accurately capture the student's facial features, resulting in a decrease in recognition accuracy. Especially at non-frontal angles such as side face or looking up, the facial features may be partially or completely blocked, making feature extraction difficult, further reducing the recognition accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide an attendance device for student management to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an attendance device for student management, comprising a base, a top of the base is provided with a limit groove, and the bottom of the limit groove is provided with a slide groove; a device body is arranged on the top of the base; a fingerprint recognition component is arranged on the front of the device body; a protective mechanism is arranged on the top of the base; and an angle adjustment mechanism is arranged on the top of the device body.

[0006] Preferably, the top of the base is fixedly connected to the bottom of the device body, and the front of the device body is fixedly installed with the fingerprint recognition component.

[0007] Preferably, the protective mechanism comprises: a protective cover arranged on the top of the base, a fixing groove is opened on the front of the protective cover; a transparent plate is fixedly connected to the inner wall of the fixing groove of the protective cover, and a convex block is fixedly connected to the bottom of the protective cover.

[0008] Preferably, the protective mechanism includes: a limit block, which is arranged in a limit groove opened in the base; an extrusion spring, which is arranged in the limit groove opened in the base; the outer wall of the limit block is fixedly connected to the inner wall of the limit groove, one end of the extrusion spring is fixedly connected to one side of the inner wall of the limit groove, the other end of the extrusion spring is fixedly connected to the extrusion block, and the bottom of the extrusion block is fixedly connected to the slider.

[0009] Preferably, the limit block is engaged with the convex block, and the outer wall of the sliding block is slidably connected to the sliding groove, so that the protection mechanism can well achieve the effect of protecting the device body.

[0010] Preferably, the angle adjustment mechanism includes: a fixed plate, which is arranged on the top of the base, and a connecting hole is opened on one side of the fixed plate; the bottom of the fixed plate is fixedly connected to the top of the two bases, and the inner wall of the connecting hole of the fixed plate is rotatably connected with a rotating rod, one end of the rotating rod is fixedly sleeved with a ratchet, one side of the rotating rod is fixedly connected with a rotating block, and the other end of the rotating rod is fixedly sleeved with a gear.

[0011] Preferably, the angle adjustment mechanism includes: a pawl, which is arranged on one side of the fixed plate, and the pawl is adapted to the ratchet; one side of the pawl is rotatably connected to one side of the fixed plate, the bottom of the pawl is fixedly connected to a connecting spring, one end of the connecting spring is fixedly connected to a fixing block, and one side of the fixing block is fixedly connected to one side of the fixed plate.

[0012] Preferably, the angle adjustment mechanism includes: a support plate, which is arranged on the top of the device body; the bottom of the support plate is fixedly connected to the top of the device body, one side of the support plate is rotatably connected to a face recognition component, the back of the face recognition component is fixedly connected to a rack, and the rack is meshingly connected to a gear. Through this angle adjustment mechanism, the effect of adjusting the up and down angles of the face recognition component can be well achieved.

[0013] The utility model provides an attendance device for student management, which has the following beneficial effects:

[0014] (1) The utility model achieves the effect of protecting the device body by aligning the convex block with the limiting groove and then pressing the protective cover to move the convex block to the bottom of the limiting groove, and then sliding the protective cover to engage the convex block with the limiting block. At the same time, the extrusion spring drives the extrusion block to reset and limit the convex block.

[0015] (2) When the face recognition component needs to be adjusted upward in angle, the utility model rotates the rotating block counterclockwise. The rotation of the rotating block drives the ratchet and the rotating rod to rotate. The rotation of the rotating rod drives the gear to rotate. The gear drives the rack to move downward. The downward movement of the rack drives the face recognition component to move upward. When the face recognition component needs to be adjusted downward in angle, the end of the pawl is pressed so that the pawl is no longer engaged with the ratchet. Then the rotating block is rotated clockwise, thereby achieving the effect of adjusting the upper and lower angles of the face recognition component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 A magnified view of center A;

[0019] Figure 4 For this utility model Figure 2 Magnified view of B.

[0020] In the figure: 1 base, 2 device body, 3 fingerprint recognition component, 4 protection mechanism, 411 protection cover, 412 transparent plate, 413 convex block, 414 limit block, 415 extrusion spring, 416 extrusion block, 417 slider, 5 angle adjustment mechanism, 511 fixed plate, 512 rotating rod, 513 ratchet, 514 rotating block, 515 pawl, 516 connecting spring, 517 fixed block, 518 gear, 519 support plate, 5110 face recognition component, 5111 rack. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] Example 1

[0024] The preferred embodiment of the attendance device for student management provided by the utility model is as follows Figure 1-4 As shown: an attendance device for student management, including a base 1, a limit groove is provided on the top of the base 1, and a slide groove is provided at the bottom of the limit groove; a device body 2 is arranged on the top of the base 1; a fingerprint recognition component 3 is arranged on the front of the device body 2; a protection mechanism 4 is arranged on the top of the base 1; and an angle adjustment mechanism 5 is arranged on the top of the device body 2.

[0025] The top of the base 1 is fixedly connected to the bottom of the device body 2 , and the front of the device body 2 is fixedly installed to the fingerprint recognition component 3 .

[0026] The protection mechanism 4 includes: a protection cover 411, which is arranged on the top of the base 1, and a fixing groove is opened on the front of the protection cover 411; a transparent plate 412 is fixedly connected to the inner wall of the fixing groove of the protection cover 411, and a convex block 413 is fixedly connected to the bottom of the protection cover 411.

[0027] The protective mechanism 4 includes: a limit block 414, which is arranged in a limit groove opened in the base 1; an extrusion spring 415, which is arranged in the limit groove opened in the base 1; the outer wall of the limit block 414 is fixedly connected to the inner wall of the limit groove, one end of the extrusion spring 415 is fixedly connected to one side of the inner wall of the limit groove, the other end of the extrusion spring 415 is fixedly connected to the extrusion block 416, and the bottom of the extrusion block 416 is fixedly connected to the slider 417.

[0028] The limiting block 414 is engaged with the convex block 413 , and the outer wall of the sliding block 417 is slidably connected with the sliding groove.

[0029] Furthermore, this embodiment aligns the convex block 413 with the limiting groove, presses the protective cover 411, moves the convex block 413 to the bottom of the limiting groove, and then slides the protective cover 411 to engage the convex block 413 with the limiting block 414. At the same time, the extrusion spring 415 drives the extrusion block 416 to reset and limit the convex block 413, thereby achieving the effect of protecting the device body 2.

[0030] Example 2

[0031] Based on Example 1, a preferred embodiment of the attendance device for student management provided by the present invention is as follows: Figure 1-4 As shown: the angle adjustment mechanism 5 includes: a fixed plate 511, which is arranged on the top of the base 1, and a connecting hole is opened on one side of the fixed plate 511; the bottom of the fixed plate 511 is fixedly connected to the top of the base 1, and the inner wall of the connecting hole of the fixed plate 511 is rotatably connected with a rotating rod 512, one end of the rotating rod 512 is fixedly sleeved with a ratchet 513, one side of the rotating rod 512 is fixedly connected with a rotating block 514, and the other end of the rotating rod 512 is fixedly sleeved with a gear 518.

[0032] The angle adjustment mechanism 5 includes: a pawl 515, which is arranged on one side of the fixed plate 511, and the pawl 515 is adapted to the ratchet 513; one side of the pawl 515 is rotatably connected to one side of the fixed plate 511, and the bottom of the pawl 515 is fixedly connected to a connecting spring 516, one end of the connecting spring 516 is fixedly connected to a fixing block 517, and one side of the fixing block 517 is fixedly connected to one side of the fixed plate 511.

[0033] The angle adjustment mechanism 5 includes: a support plate 519, which is arranged on the top of the device body 2; the bottom of the support plate 519 is fixedly connected to the top of the device body 2, one side of the support plate 519 is rotatably connected to a face recognition component 5110, and the back of the face recognition component 5110 is fixedly connected to a rack 5111, and the rack 5111 is meshed with the gear 518.

[0034] Furthermore, in this embodiment, when the face recognition component 5110 needs to be adjusted to an upward angle, the rotating block 514 is rotated counterclockwise, and the rotation of the rotating block 514 drives the ratchet 513 and the rotating rod 512 to rotate. The rotation of the rotating rod 512 drives the gear 518 to rotate. The rotation of the gear 518 drives the rack 5111 to move downward. The downward movement of the rack 5111 drives the face recognition component 5110 to move upward. When the face recognition component 5110 needs to be adjusted to a downward angle, the end of the pawl 515 is pressed so that the pawl 515 is no longer engaged with the ratchet 513, and then the rotating block 514 is rotated clockwise, thereby achieving the effect of adjusting the up and down angles of the face recognition component 5110.

[0035] When in use, when the face recognition component 5110 needs to be adjusted upward in angle, the rotating block 514 is rotated counterclockwise, the rotating block 514 rotates to drive the ratchet 513 and the rotating rod 512 to rotate, the rotating rod 512 rotates to drive the gear 518 to rotate, the gear 518 rotates to drive the rack 5111 to move downward, the rack 5111 moves downward to drive the face recognition component 5110 to move upward, and when the face recognition component 5110 needs to be adjusted downward in angle, the end of the pawl 515 is pressed so that the pawl 515 is no longer engaged with the ratchet 513, and then Just rotate the rotating block 514 clockwise to adjust the upper and lower angles of the face recognition component 5110. When the upper and lower angles of the face recognition component 5110 are adjusted, align the convex block 413 with the limit groove, and then press the protective cover 411 to move the convex block 413 to the bottom of the limit groove, and then slide the protective cover 411 to make the convex block 413 engage with the limit block 414. At the same time, the extrusion spring 415 drives the extrusion block 416 to reset and limit the convex block 413, so as to protect the device body 2 and the face recognition component 5110.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An attendance device for student management, characterized in that: It comprises a base (1), wherein a limiting groove is provided at the top of the base (1), and a sliding groove is provided at the bottom of the limiting groove; The device body (2) is arranged on the top of the base (1); A fingerprint recognition component (3) is arranged on the front side of the device body (2); A protection mechanism (4) is arranged on the top of the base (1); The angle adjustment mechanism (5) is arranged on the top of the device body (2).

2. The attendance device for student management according to claim 1, characterized in that: The top of the base (1) is fixedly connected to the bottom of the device body (2), and the front of the device body (2) is fixedly mounted to the fingerprint recognition component (3).

3. The attendance device for student management according to claim 1, characterized in that: The protection mechanism (4) comprises: A protective cover (411) is arranged on the top of the base (1), and a fixing groove is provided on the front side of the protective cover (411); A transparent plate (412) is fixedly connected to the inner wall of the fixing groove of the protective cover (411), and a convex block (413) is fixedly connected to the bottom of the protective cover (411).

4. The attendance device for student management according to claim 1, characterized in that: The protection mechanism (4) comprises: A limit block (414) is arranged in a limit groove provided in the base (1); A compression spring (415) is arranged in a limiting groove provided in the base (1); The outer wall of the limit block (414) is fixedly connected to the inner wall of the limit groove, one end of the extrusion spring (415) is fixedly connected to one side of the inner wall of the limit groove, the other end of the extrusion spring (415) is fixedly connected to the extrusion block (416), and the bottom of the extrusion block (416) is fixedly connected to a sliding block (417).

5. The attendance device for student management according to claim 4, characterized in that: The limit block (414) is engaged with the convex block (413), and the outer wall of the sliding block (417) is slidably connected to the sliding groove.

6. The attendance device for student management according to claim 1, characterized in that: The angle adjustment mechanism (5) comprises: A fixing plate (511) is arranged on the top of the base (1), and a connection hole is formed on one side of the fixing plate (511); The bottom of the fixed plate (511) is fixedly connected to the top of the base (1); the inner wall of the connecting hole of the fixed plate (511) is rotatably connected to a rotating rod (512); one end of the rotating rod (512) is fixedly sleeved with a ratchet (513); one side of the rotating rod (512) is fixedly connected to a rotating block (514); and the other end of the rotating rod (512) is fixedly sleeved with a gear (518).

7. The attendance device for student management according to claim 1, characterized in that: The angle adjustment mechanism (5) comprises: A ratchet pawl (515) is arranged on one side of the fixing plate (511), and the ratchet pawl (515) is adapted to the ratchet wheel (513); One side of the pawl (515) is rotatably connected to one side of the fixed plate (511); a connecting spring (516) is fixedly connected to the bottom of the pawl (515); one end of the connecting spring (516) is fixedly connected to a fixing block (517); and one side of the fixing block (517) is fixedly connected to one side of the fixed plate (511).

8. The attendance device for student management according to claim 1, characterized in that: The angle adjustment mechanism (5) comprises: A support plate (519) is arranged on the top of the device body (2); The bottom of the support plate (519) is fixedly connected to the top of the device body (2); one side of the support plate (519) is rotatably connected to a face recognition component (5110); the back of the face recognition component (5110) is fixedly connected to a rack (5111); and the rack (5111) is meshingly connected to a gear (518).