Attendance checking device for student management

Abstract

The utility model discloses an attendance checking device for student management, which comprises a machine body, a display screen and a camera, the display screen is fixedly connected to the left side of the front side of the machine body, the camera is fixedly connected to the bottom of the front side of the machine body, a moving cavity is arranged in the machine body, and a protective shell is arranged on the front side of the camera. A sliding block is fixedly connected to the back face of the protective shell, a sliding groove used in cooperation with the sliding block is formed in the bottom of the front face of the machine body, and the sliding block is slidably connected with the sliding groove. By arranging the cleaning assembly, a user moves the protective shell through the moving assembly, assists the movement of the protective shell through the auxiliary assembly, and cleans the camera through the cleaning assembly, the problems that when an existing student attendance checking device is used, stains such as dust and oil stains exist on the device, the stains can interfere with an identification algorithm, and the recognition efficiency is poor are solved. The facial features of the user cannot be correctly matched or authenticated, the biological feature information cannot be accurately read, and the clock-in process is influenced.

Description

Technical Field

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

[0002] Student management attendance devices are devices used to monitor and record student attendance. These devices are usually installed in school classrooms, libraries, laboratories, etc. to monitor students' learning and activities in real time. Student management attendance devices can help teachers and school administrators understand students' attendance so as to better manage and arrange teaching activities.

[0003] According to the existing student attendance device, when the facial recognition attendance machine is in use, there are stains on the equipment, such as dust, oil or other residues, which will interfere with the recognition algorithm, resulting in the inability to correctly match or authenticate the user's facial features, resulting in the inability to accurately read the biometric information, affecting the clocking in process. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an attendance device for student management, which has the advantage of cleaning and solves the problem that when the existing student attendance device is in use, the facial recognition attendance machine has stains on the equipment, such as dust, oil stains or other residues, which will interfere with the recognition algorithm, resulting in the inability to correctly match or authenticate the user's facial features, resulting in the inability to accurately read the biometric information, affecting the punching process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an attendance device for student management, comprising a body, a display screen and a camera, wherein the display screen is fixedly connected to the left side of the front side of the body, the camera is fixedly connected to the bottom of the front side of the body, a movable cavity is provided inside the body, a protective shell is provided on the front side of the camera, a slider is fixedly connected to the back side of the protective shell, a slide groove for cooperating with the slider is provided at the bottom of the front side of the body, the slider is slidably connected to the slide groove, an auxiliary component is provided on the surface of the slider, a cleaning component is fixedly connected to the left side of the inner wall of the protective shell, an infrared sensor is fixedly connected to the left side of the front side of the body, a connecting block is fixedly connected to the inside of the slider, and a movable component is provided on the surface of the connecting block.

[0006] As a preferred embodiment of the utility model, the auxiliary component includes a ball groove, the surface of the slider is provided with a ball groove, a plurality of the ball grooves are provided and are distributed at equal distances, and balls are embedded in the ball grooves.

[0007] As a preferred embodiment of the utility model, the cleaning assembly includes a brush plate, the brush plate is fixedly connected to the left side of the inner wall of the protective shell, the bottom of the brush plate is fixedly connected to a brush, a plurality of brushes are provided and distributed at equal distances, a cleaning cloth is provided on the right side of the brush plate, and the cleaning cloth is fixedly connected to the protective shell.

[0008] As a preferred embodiment of the utility model, the moving component includes a threaded groove, which is opened on the surface of the connecting block, the internal thread of the threaded groove is connected to a threaded rod, a small motor is arranged on the right side of the threaded rod, the output end of the small motor is fixedly connected to the right side of the threaded rod, and a mounting frame is provided on the surface of the small motor, and the top of the mounting frame is fixed to the surface of the moving cavity.

[0009] As a preferred embodiment of the present invention, a limiting block is provided at the other end of the threaded rod, and the limiting block is fixedly connected to the other end of the threaded rod.

[0010] As a preferred embodiment of the present invention, the brush is made of a fine fiber brush, and the cleaning cloth is made of a microfiber cloth.

[0011] As a preferred embodiment of the present invention, anti-collision pads are fixedly connected to the left and right sides of the slide groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets a cleaning component. The user moves the protective shell through the moving component, and then assists the movement of the protective shell through the auxiliary component, and then cleans the camera through the cleaning component. The problem that the existing student attendance device has stains such as dust, oil or other residues on the equipment when using the facial recognition attendance machine will interfere with the recognition algorithm, resulting in the inability to correctly match or authenticate the user's facial features, resulting in the inability to accurately read the biometric information, affecting the punching process, and achieving the cleaning effect.

[0014] 2. The utility model sets an auxiliary component so that the ball is embedded in the ball groove of the slider, and the sliding friction is changed into rolling friction, which effectively reduces the friction between the contact surfaces. This change improves the movement efficiency and prolongs the service life of the equipment.

[0015] 3. The utility model sets a cleaning component to fix the brush plate and the protective shell, then fix the brush and the brush plate, and then fix the cleaning cloth and the protective shell. The distance of the obstacle is detected by the principle that the reflection intensity of the infrared signal is different after encountering the obstacle. The infrared sensor detects the student standing in front, and starts the moving component through the electric signal to control the protective shell to move out of the camera. The dust on the camera mirror is cleaned by the brush, and the grease and fingerprints on the mirror are cleaned by the cleaning cloth, thereby ensuring the accuracy of facial recognition. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 This is an exploded schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0019] Figure 4 Practical Figure 3 A schematic diagram of the enlarged structure in the middle.

[0020] In the figure: 1. body; 2. display screen; 3. camera; 4. moving cavity; 5. protective shell; 6. slider; 7. slide groove; 8. auxiliary component; 81. ball groove; 82. ball; 9. cleaning component; 91. brush plate; 92. brush; 93. cleaning cloth; 10. infrared sensor; 11. connecting block; 12. moving component; 121. threaded groove; 122. threaded rod; 123. small motor; 124. mounting bracket; 13. limit block; 14. anti-collision pad. 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] like Figures 1 to 4As shown, the utility model provides an attendance device for student management, comprising a body 1, a display screen 2 and a camera 3, the display screen 2 is fixedly connected to the left side of the front side of the body 1, the camera 3 is fixedly connected to the bottom of the front side of the body 1, a moving cavity 4 is provided inside the body 1, a protective shell 5 is provided on the front side of the camera 3, a slider 6 is fixedly connected to the back side of the protective shell 5, a slide groove 7 used in conjunction with the slider 6 is provided at the bottom of the front side of the body 1, the slider 6 is slidably connected to the slide groove 7, an auxiliary component 8 is provided on the surface of the slider 6, a cleaning component 9 is fixedly connected to the left side of the inner wall of the protective shell 5, an infrared sensor 10 is fixedly connected to the left side of the front side of the body 1, a connecting block 11 is fixedly connected inside the slider 6, and a moving component 12 is provided on the surface of the connecting block 11.

[0023] refer to Figure 4 The auxiliary component 8 includes a ball groove 81 . The surface of the slider 6 is provided with a ball groove 81 . There are a plurality of ball grooves 81 , which are distributed at equal distances. Balls 82 are embedded in the ball grooves 81 .

[0024] As a technical optimization solution of the utility model, by setting the auxiliary component 8, the ball 82 is embedded in the ball groove 81 of the slider 6. By changing the sliding friction to rolling friction, the friction between the contact surfaces is effectively reduced. This change improves the movement efficiency and extends the service life of the equipment.

[0025] refer to Figure 4 The cleaning component 9 includes a brush plate 91, which is fixedly connected to the left side of the inner wall of the protective shell 5. A brush 92 is fixedly connected to the bottom of the brush plate 91. A plurality of brushes 92 are arranged and are distributed at equal distances. A cleaning cloth 93 is arranged on the right side of the brush plate 91, and the cleaning cloth 93 is fixedly connected to the protective shell 5.

[0026] As a technical optimization scheme of the utility model, by setting a cleaning component 9, the brush plate 91 is fixed to the protective shell 5, and then the brush 92 is fixed to the brush plate 91, and then the cleaning cloth 93 is fixed to the protective shell 5. The distance of the obstacle is detected by the principle that the reflection intensity of the infrared signal is different after encountering an obstacle. The infrared sensor 10 detects the student standing in front, and starts the moving component 12 through an electrical signal to control the protective shell 5 to move out of the camera 3. The dust on the mirror of the camera 3 is cleaned by the brush 92, and then the grease and fingerprints on the mirror are cleaned by the cleaning cloth 93, thereby ensuring the accuracy of facial recognition.

[0027] refer to Figure 3 and Figure 4The moving component 12 includes a threaded groove 121, which is opened on the surface of the connecting block 11. The internal thread of the threaded groove 121 is connected to a threaded rod 122. A small motor 123 is arranged on the right side of the threaded rod 122. The output end of the small motor 123 is fixedly connected to the right side of the threaded rod 122. A mounting bracket 124 is fixedly sleeved on the surface of the small motor 123. The top of the mounting bracket 124 is fixed to the surface of the moving cavity 4.

[0028] As a technical optimization scheme of the utility model, by setting up a moving component 12, the small motor 123 is fixed to the moving cavity 4 through the mounting frame 124, and then the threaded rod 122 is fixed to the output end of the small motor 123, and then the threaded rod 122 is threadedly connected to the thread groove 121 of the connecting block 11, and the signal is transmitted to the small motor 123 through the infrared sensor 10 to start the small motor 123. The connecting block 11 is driven to move left and right through the rotation of the threaded rod 122, so that the protective shell 5 fixed to the connecting block 11 is moved, making the device more convenient to use.

[0029] refer to Figure 3 A limit block 13 is provided at the other end of the threaded rod 122 , and the limit block 13 is fixedly connected to the other end of the threaded rod 122 .

[0030] As a technical optimization solution of the utility model, a limit block 13 is set to fix the limit block 13 and the threaded rod 122. The limit block 13 limits the moving distance of the connecting block 11 to ensure that it moves within the allowed range, thereby ensuring the normal operation and safety of the mechanical system.

[0031] refer to Figure 4 The brush 92 is made of a fine fiber brush, and the cleaning cloth 93 is made of a microfiber cloth.

[0032] As a technical optimization solution of the utility model, a brush 92 and a cleaning cloth 93 are provided. The brush 92 is made of a fine fiber brush. The fine fiber brush is soft and has a certain elasticity, and can effectively remove dust without leaving scratches. The cleaning cloth 93 is made of a microfiber cloth. The microfiber cloth can absorb dust and liquid several times its own weight, which will help remove fingerprints, oil stains and other stains on the lens.

[0033] refer to Figure 3 Anti-collision pads 14 are fixedly connected to the left and right sides of the slide groove 7.

[0034] As a technical optimization solution of the present invention, by providing an anti-collision pad 14, the anti-collision pad 14 can provide a buffer, reduce the damage caused by the slider 6 directly impacting the inside of the slide groove 7, and increase the service life of the equipment.

[0035] The working principle and use process of the utility model are as follows: when in use, the slider 6 of the protective shell 5 is slidably matched with the slide groove 7 of the body 1, and then the ball 82 is embedded in the ball groove 81 of the slider 6. By changing the movement efficiency and extending the service life, the slider 6 is fixed to the connecting block 11, and then the threaded rod 122 is threadedly connected with the threaded groove 121 of the connecting block 11. The distance of the obstacle is detected by the principle that the reflection intensity of the infrared signal is different after encountering the obstacle. The infrared sensor 10 detects the students standing in front and starts the small motor 123 through the electrical signal. Then the rotation of the threaded rod 122 drives the connecting block 11 to move left and right, so that the protective shell 5 fixed with the connecting block 11 moves, and the camera 3 is leaked when the protective shell 5 moves, and then the dust on the mirror of the camera 3 is cleaned by the brush 92, and then the grease and fingerprints on the mirror are cleaned by the cleaning cloth 93, so as to ensure the accuracy of facial recognition.

[0036] In summary: this attendance device for student management, by setting a cleaning component 9, the user moves the protective shell 5 through the moving component 12, and then assists the movement of the protective shell 5 through the auxiliary component 8, and then cleans the camera 3 through the cleaning component 9, which solves the problem that when the existing student attendance device is in use, the facial recognition attendance machine has stains on the equipment, such as dust, oil stains or other residues, which will interfere with the recognition algorithm, resulting in the inability to correctly match or authenticate the user's facial features, resulting in the inability to accurately read the biometric information, affecting the punching process.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An attendance device for student management, comprising a body (1), a display screen (2) and a camera (3), characterized in that: The display screen (2) is fixedly connected to the left side of the front side of the body (1); the camera (3) is fixedly connected to the bottom of the front side of the body (1); a moving cavity (4) is provided inside the body (1); a protective shell (5) is provided on the front side of the camera (3); a slider (6) is fixedly connected to the back side of the protective shell (5); a slide groove (7) used in conjunction with the slider (6) is provided on the bottom of the front side of the body (1); the slider (6) is slidably connected to the slide groove (7); an auxiliary component (8) is provided on the surface of the slider (6); a cleaning component (9) is fixedly connected to the left side of the inner wall of the protective shell (5); an infrared sensor (10) is fixedly connected to the left side of the front side of the body (1); a connecting block (11) is fixedly connected to the inside of the slider (6); and a moving component (12) is provided on the surface of the connecting block (11).

2. The attendance device for student management according to claim 1, characterized in that: The auxiliary component (8) comprises a ball groove (81), the surface of the slider (6) is provided with a ball groove (81), a plurality of the ball grooves (81) are provided and are distributed at equal distances, and balls (82) are embedded inside the ball grooves (81).

3. The attendance device for student management according to claim 1, characterized in that: The cleaning assembly (9) comprises a brush plate (91), the brush plate (91) being fixedly connected to the left side of the inner wall of the protective shell (5), a brush (92) being fixedly connected to the bottom of the brush plate (91), a plurality of brushes (92) being provided and distributed at equal distances, a cleaning cloth (93) being provided on the right side of the brush plate (91), and the cleaning cloth (93) being fixedly connected to the protective shell (5).

4. The attendance device for student management according to claim 1, characterized in that: The moving component (12) comprises a threaded groove (121), wherein the threaded groove (121) is provided on the surface of the connecting block (11), a threaded rod (122) is connected to the internal thread of the threaded groove (121), a small motor (123) is provided on the right side of the threaded rod (122), an output end of the small motor (123) is fixedly connected to the right side of the threaded rod (122), a mounting frame (124) is fixedly sleeved on the surface of the small motor (123), and a top of the mounting frame (124) is fixed to the surface of the moving cavity (4).

5. The attendance device for student management according to claim 4, characterized in that: A limit block (13) is provided at the other end of the threaded rod (122), and the limit block (13) is fixedly connected to the other end of the threaded rod (122).

6. The attendance device for student management according to claim 3, characterized in that: The brush (92) is made of a fine fiber brush, and the cleaning cloth (93) is made of a microfiber cloth.

7. The attendance device for student management according to claim 1, characterized in that: Anti-collision pads (14) are fixedly connected to the left and right sides of the slide groove (7).

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