Electronic class board recognition device for campus
The camera is retracted back into the hollow shell through the motor-driven mobile block and connecting rod structure, solving the problems of vulnerability and privacy of existing electronic squad cameras, and achieving effective protection and privacy enhancement.
Patent Information
- Application Number
- CN202422512040.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-17
AI Technical Summary
The existing electronic class cameras are susceptible to external physical damage and are difficult to protect personal privacy, have high maintenance costs, and the camera status is difficult to detect.
A campus electronic class sign recognition device is designed, using a motor-driven mobile block and connecting rod structure, which retracts the camera back to the inside of the hollow shell and guard plate when not in use, avoids physical damage, and protects privacy through the baffle.
Effectively protect the camera from collisions, scratches, dust and liquid sputtering, while improving privacy protection, reducing maintenance costs and preventing unauthorized monitoring.
Smart Images
Figure CN223153244U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic class signs, in particular to an identification device for electronic class signs used in campuses. Background Art
[0002] An electronic class sign is an intelligent display device applied to the campus environment, and it is usually installed at the classroom door or inside the classroom.
[0003] The campus electronic class sign identification device is a modern campus management tool, which usually combines multiple functions such as identity recognition, information release, and attendance management. For example, identity recognition: students and teachers can perform identity verification through technologies such as card swiping, face swiping, QR code scanning, or RFID, and the class sign device can quickly identify personal identities; attendance management: by the recognition device, attendance information such as students' and teachers' arrival at school, leaving school, having classes, and absence can be recorded, which is convenient for the school to conduct efficient management; information release: the class sign screen can display class information, class schedules, school notices, weather forecasts, news, etc., playing a role in information transmission and display.
[0004] However, for the electronic class signs with identification functions on the market, an exposed camera is usually installed at the top or bottom of the electronic class sign. Students and teachers perform operations such as punching cards through the camera. However, the camera is always exposed outside and is easily damaged physically by external factors such as collision, scratching, dust, and liquid splashing. The subsequent maintenance cost is relatively high. At the same time, the camera may be used by malicious people to collect personal information of students or teachers, and it is also difficult to be noticed by the naked eye whether the camera is in the on or off state. In view of this, an identification device for electronic class signs used in campuses is provided to overcome the above defects. Summary of the Utility Model
[0005] The purpose of the utility model is to solve the defects existing in the prior art, and an identification device for electronic class signs used in campuses is proposed.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: An identification device for electronic class signs used in campuses, including an electronic class sign body, a hollow shell is fixedly connected to the top of the electronic class sign body, a motor is fixedly connected to the right end face of the hollow shell, a bidirectional screw rod is fixedly connected to the output end of the motor, a moving block is spirally connected to the outside of the bidirectional screw rod, a first connecting rod is rotatably connected to the front end face of the moving block, an identification camera is rotatably connected to the end of the first connecting rod away from the moving block, a guard plate is fixedly connected to the middle of the front end face of the hollow shell, a second connecting rod is rotatably connected to the top of the moving block, a sliding plate is rotatably connected to the end of the second connecting rod away from the moving block, an L-shaped plate is fixedly connected to the front end face of the sliding plate, a baffle is fixedly connected to the end of the L-shaped plate away from the sliding plate, and sealing strips are fixedly connected to the middle of the left and right sides at the bottom of the sliding plate.
[0007] As a further description of the above technical solution: One end of the bidirectional threaded rod away from the motor is rotatably connected to the middle of the left side inside the hollow shell. The outer side of the moving block contacts the inner wall of the hollow shell. The outer side of the first connecting rod is slidably connected to the middle of the front side inside the hollow shell. The outer side of the second connecting rod is slidably connected to the middle of the upper side inside the hollow shell. The outer side of the recognition camera contacts the inner side of the protection plate. The outer side of the baffle is slidably connected to the front of the inner side of the protection plate. During the period when the recognition camera is not in use, the recognition camera can be retracted into the inner sides of the hollow shell and the protection plate, avoiding external physical damage to the recognition camera, such as collision, scratching, dust, liquid spattering, etc., and having the effect of protecting the recognition camera.
[0008] As a further description of the above technical solution: The motor can rotate forward and backward. The number of moving blocks is two, and the moving blocks are distributed on the left and right sides of the bidirectional threaded rod. The first connecting rod is arranged at a position near the outer side of the front end face of the moving block, and the second connecting rod is arranged at a position near the inner side of the top end of the moving block, which can make the baffle move earlier than the recognition camera, avoiding the situation that when the recognition camera extends out of the inner side of the protection plate, the baffle blocks the recognition camera and causes the recognition camera to be unable to extend forward.
[0009] As a further description of the above technical solution: The front end face and the upper end face of the hollow shell are both provided with chutes extending from left to right. The width of the chute on the front end face of the hollow shell matches the diameter of the longitudinal section of the first connecting rod, and the width of the chute on the upper end face of the hollow shell matches the diameter of the cross section of the second connecting rod. A dug groove communicating with the chute is opened at the center of the chute on the front end face of the hollow shell, and the length and width of the dug groove match the length and width of the inner side of the protection plate, for the moving block inside the hollow shell to drive the recognition camera and the sliding plate outside the hollow shell to move.
[0010] As a further description of the above technical solution: The recognition camera is inclined at an angle of 45 degrees compared to the overall angle of the hollow shell. The number of protection plates is two groups, and the protection plates are fixed on the upper and lower sides of the middle of the front end face of the hollow shell. The length and width between the protection plates match the longitudinal length and width of the recognition camera after being inclined at 45 degrees, facilitating the recognition camera to face the students and teachers standing below the electronic class sign body directly when it extends out of the inner side of the protection plate and avoiding the occurrence of recognition dead angles.
[0011] As a further description of the above technical solution: The number of sealing strips is two, and the sealing strips are distributed on the left and right sides of the middle of the bottom of the sliding plate. The width of the sealing strip matches the width of the chute opened at the top of the hollow shell, and the thickness of the sealing strip matches the wall thickness of the hollow shell, for avoiding dust from entering the hollow shell through the chute opened at the top of the hollow shell when the recognition camera retracts into the inner side of the protection plate.
[0012] As a further description of the above technical solution: a guide groove is provided at the top of the front side of the baffle above the front end face of the hollow shell, and the depth and width of the guide groove at the top of the front side of the baffle are both matched with the thickness and width of the baffle. The length of the baffle is the same as the total longitudinal length of the two groups of guard plates. When the recognition camera retracts inside the guard plates, the baffle blocks the front side of the recognition camera, which not only improves the protection effect but also avoids possible monitoring or privacy infringement problems, increasing the user's protection of personal privacy.
[0013] The utility model has the following beneficial effects:
[0014] The designed electronic class sign recognition device for campus of the utility model, through the cooperation of the design of the motor and the moving block, enables the device to retract the recognition camera inside the hollow shell and the guard plates during the time period when the recognition camera is not in use, avoiding external physical damage to the recognition camera, such as collision, scratching, dust, liquid splashing, etc., and has the effect of protecting the recognition camera. At the same time, when the moving block drives the recognition camera to move back and forth inside the hollow shell and the guard plates through the first connecting rod, the second connecting rod on the top of the moving block drives the sliding plate and the baffle to move up and down inside the arc plate. When the recognition camera extends out of the inside of the guard plates, the baffle moves up along the inside of the guard plates; when the recognition camera retracts inside the guard plates, the baffle moves down along the inside of the guard plates. The synchronous movement enables the baffle to block the front side of the recognition camera when the recognition camera retracts inside the guard plates, which not only improves the protection effect but also avoids possible monitoring or privacy infringement problems, increasing the user's protection of personal privacy. Description of the Drawings
[0015] Figure 1 is the overall structural schematic diagram of the utility model;
[0016] Figure 2 is the three-dimensional sectional structural schematic diagram of the hollow shell of the utility model;
[0017] Figure 3 is the exploded structural schematic diagram of the hollow shell and the guard plates of the utility model;
[0018] Figure 4 is the three-dimensional structural schematic diagram of the sliding plate longitudinally flipped 180 degrees of the utility model.
[0019] Legend Explanation:
[0020] 1. Electronic class sign body; 2. Hollow shell; 3. Motor; 4. First connecting rod; 5. Recognition camera; 6. Sliding plate; 7. L-shaped plate; 8. Baffle; 9. Bidirectional threaded rod; 10. Moving block; 11. Second connecting rod; 12. Guard plate; 13. Sealing strip. Detailed Implementation Modes
[0021] Refer to Figures 1 to 4, an electronic class sign recognition device for campus provided by the utility model includes an electronic class sign body 1. A hollow shell 2 is welded to the top of the electronic class sign body 1. A motor 3 is fixed to the right end face of the hollow shell 2 by bolts. The output shaft of the output end of the motor 3 penetrates through the inside of a bidirectional threaded rod 9 and is welded and fixed to the bidirectional threaded rod 9. The outside of the bidirectional threaded rod 9 penetrates through the inside of a moving block 10 and is spirally engaged with the internal thread inside the moving block 10. The front end face of the moving block 10 is connected to a first connecting rod 4 through a fixed shaft. One end of the first connecting rod 4 away from the moving block 10 is connected to an identification camera 5 through a fixed shaft. A protection plate 12 is welded to the middle of the front end face of the hollow shell 2. The top of the moving block 10 is connected to a second connecting rod 11 through a fixed shaft. One end of the second connecting rod 11 away from the moving block 10 is connected to a sliding plate 6 through a fixed shaft. An L-shaped plate 7 is welded to the front end face of the sliding plate 6. A baffle 8 is welded to one end of the L-shaped plate 7 away from the sliding plate 6. Sealing strips 13 are adhesively adhered to the middle of the left and right sides at the bottom of the sliding plate 6. One end of the bidirectional threaded rod 9 away from the motor 3 is rotatably connected to the middle of the left side inside the hollow shell 2. The outside of the moving block 10 contacts the inner wall of the hollow shell 2. The outside of the first connecting rod 4 is slidably connected to the middle of the front side inside the hollow shell 2. The outside of the second connecting rod 11 is slidably connected to the middle of the upper part inside the hollow shell 2. The outside of the identification camera 5 contacts the inner side of the protection plate 12. The outside of the baffle 8 is slidably connected to the front side inside the protection plate 12. During the period when the identification camera 5 is not in use, the identification camera 5 can be retracted inside the hollow shell 2 and the protection plate 12, avoiding physical damage to the identification camera 5 from the outside, such as collision, scratching, dust, liquid spattering, etc., and having the effect of protecting the identification camera 5.
[0022] As a further implementation of the above technical solution: The motor 3 can rotate forward and backward. The number of moving blocks 10 is two, and the moving blocks 10 are distributed on the left and right sides of the bidirectional threaded rod 9. The first connecting rod 4 is arranged at a position near the outside of the front end face of the moving block 10, and the second connecting rod 11 is arranged at a position near the inside of the top end of the moving block 10, which can make the baffle 8 move earlier than the identification camera 5, avoiding the situation that when the identification camera 5 extends out of the inner side of the protection plate 12, the baffle 8 blocks the identification camera 5, resulting in the inability of the identification camera 5 to extend forward.
[0023] As a further implementation of the above technical solution: Chutes extending from left to right are provided on both the front end face and the upper end face of the hollow shell 2. The width of the chute on the front end face of the hollow shell 2 matches the longitudinal section diameter of the first connecting rod 4, and the width of the chute on the upper end face of the hollow shell 2 matches the cross-section diameter of the second connecting rod 11. A dug groove communicating with the chute is provided at the center of the chute on the front end face of the hollow shell 2, and the length and width of the dug groove match the length and width of the inner side of the protection plate 12, for the moving block 10 inside the hollow shell 2 to drive the identification camera 5 and the sliding plate 6 outside the hollow shell 2 to move.
[0024] As a further implementation of the above technical solution: The recognition camera 5 is inclined at an angle of 45 degrees compared to the overall angle of the hollow shell 2. The number of guard plates 12 is two, and the guard plates 12 are fixed on the upper and lower sides of the middle of the front end face of the hollow shell 2. The length and width between the guard plates 12 are both matched with the longitudinal length and width of the recognition camera 5 after being inclined at 45 degrees. When the recognition camera 5 extends out of the inner side of the guard plate 12, it can be directly facing the students and teachers standing below the electronic class sign body 1, avoiding the occurrence of recognition dead angles.
[0025] As a further implementation of the above technical solution: The number of sealing strips 13 is two, and the sealing strips 13 are distributed on the left and right sides of the middle of the bottom of the sliding plate 6. The width of the sealing strip 13 is matched with the width of the chute opened at the top of the hollow shell 2, and the thickness of the sealing strip 13 is matched with the wall thickness of the hollow shell 2. When the recognition camera 5 retracts into the inner side of the guard plate 12, it can prevent dust from entering the hollow shell 2 through the chute opened at the top of the hollow shell 2.
[0026] As a further implementation of the above technical solution: A guide groove is provided at the front top of the baffle 8 above the front end face of the hollow shell 2, and the depth and width of the guide groove at the front top of the baffle 8 are both matched with the thickness and width of the baffle 8. The length of the baffle 8 is the same as the total longitudinal length of the two guard plates 12. When the recognition camera 5 retracts into the inner side of the guard plate 12, the baffle 8 can block the front side of the recognition camera 5, not only improving the protection effect, but also avoiding possible problems of monitoring or privacy infringement, and increasing the protection of users' personal privacy.
[0027] Working principle:
[0028] When using the utility model, the electronic class sign body 1 is fixed on the wall, and the electronic class sign body 1, the motor 3 and the recognition camera 5 are powered on. After inputting the face data of students and teachers into the electronic class sign body 1, it can be used. When students are going to school, turn on the motor 3 and let it rotate forward. The motor 3 drives the bidirectional threaded rod 9 at the output end to rotate clockwise. At this time, the bidirectional threaded rod 9 drives the moving block 10 inside the hollow shell 2 to move towards the center. The first connecting rod 4 on the front end face and the second connecting rod 11 on the upper end face of the moving block 10 are both driven by the moving block 10, and the positions of their tops change. The recognition camera 5 at the front top of the first connecting rod 4 moves forward from the inside of the guard plate 12 in the middle of the front end face of the hollow shell 2. The sliding plate 6 at the top of the second connecting rod 11 starts to separate from the top of the hollow shell 2, and the sealing strip 13 inserted into the chute at the top of the hollow shell 2 disengages from the hollow shell 2. At this time, the sliding plate 6 drives the baffle 8 through the L-shaped plate 7 and slides upward along the guide groove on the front side of the guard plate 12. The baffle 8 moves ahead of the recognition camera 5 in advance to prevent the situation where the baffle 8 blocks the recognition camera 5 when the recognition camera 5 extends out of the inside of the guard plate 12, resulting in the recognition camera 5 being unable to extend forward. Stop the motor 3 when the inner end faces of the two moving blocks 10 on the outer side of the bidirectional threaded rod 9 come into contact with each other. At this time, the recognition camera 5 extends out of the inside of the guard plate 12 to take pictures and recognize students, etc.; when students are in class, operate the motor 3 in reverse. The motor 3 operates in the opposite way to the above operation. The recognition camera 5 first enters the inside of the guard plate 12, and then the baffle 8 moves downward to the front of the recognition camera 5, which not only improves the protection effect but also avoids possible monitoring or privacy infringement problems and increases the user's protection of personal privacy.
[0029] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An electronic class sign recognition device for campus, comprising an electronic class sign body (1), characterized in that: A hollow shell (2) is fixedly connected to the top of the electronic class sign body (1). A motor (3) is fixedly connected to the right end face of the hollow shell (2). The output end of the motor (3) is fixedly connected to a bidirectional threaded rod (9). A moving block (10) is spirally connected to the outside of the bidirectional threaded rod (9). A first connecting rod (4) is rotatably connected to the front end face of the moving block (10). One end of the first connecting rod (4) far from the moving block (10) is rotatably connected to an identification camera (5). A guard plate (12) is fixedly connected to the middle of the front end face of the hollow shell (2). A second connecting rod (11) is rotatably connected to the top of the moving block (10). One end of the second connecting rod (11) far from the moving block (10) is rotatably connected to a sliding plate (6). An L-shaped plate (7) is fixedly connected to the front end face of the sliding plate (6). A baffle (8) is fixedly connected to one end of the L-shaped plate (7) far from the sliding plate (6). Sealing strips (13) are fixedly connected to the middle of the left and right sides at the bottom of the sliding plate (6).
2. The electronic class sign recognition device for campus according to claim 1, characterized in that: One end of the bidirectional threaded rod (9) far from the motor (3) is rotatably connected to the middle of the left side inside the hollow shell (2). The outside of the moving block (10) is in contact with the inner wall of the hollow shell (2). The outside of the first connecting rod (4) is slidably connected to the middle of the front side inside the hollow shell (2). The outside of the second connecting rod (11) is slidably connected to the middle of the upper part inside the hollow shell (2). The outside of the identification camera (5) is in contact with the inner side of the guard plate (12). The outside of the baffle (8) is slidably connected to the front side inside the inner side of the guard plate (12).
3. The electronic class sign recognition device for campus according to claim 1, wherein: The motor (3) can rotate forward and backward. The number of the moving blocks (10) is two, and the moving blocks (10) are distributed on the left and right sides of the bidirectional threaded rod (9). The first connecting rod (4) is arranged at a position close to the outside on the front end face of the moving block (10), and the second connecting rod (11) is arranged at a position close to the inside at the top of the moving block (10).
4. The electronic class sign recognition device for campus according to claim 1, wherein: Chutes extending from left to right are formed on the front end face and the upper end face of the hollow shell (2). The width of the chute on the front end face of the hollow shell (2) is matched with the longitudinal section diameter of the first connecting rod (4), and the width of the chute on the upper end face of the hollow shell (2) is matched with the cross-section diameter of the second connecting rod (11). A dug groove communicating with the chute is formed at the center of the chute on the front end face of the hollow shell (2), and the length and width of the dug groove are both matched with the length and width of the inner side of the guard plate (12).
5. The electronic class sign recognition device for campus according to claim 1, characterized in that: The identification camera (5) is inclined at an angle of 45 degrees compared with the overall angle of the hollow shell (2). The number of the guard plates (12) is two groups, and the guard plates (12) are fixed on the upper and lower sides of the middle of the front end face of the hollow shell (2). The length and width between the guard plates (12) are both matched with the longitudinal length and width of the identification camera (5) after being inclined at 45 degrees.
6. The electronic class sign recognition device for campus according to claim 1, characterized in that: The number of the sealing strips (13) is two, and the sealing strips (13) are distributed at the left and right sides of the middle of the bottom of the sliding plate (6). The width of the sealing strip (13) is matched with the width of the chute formed on the top of the hollow shell (2), and the thickness of the sealing strip (13) is matched with the wall thickness of the hollow shell (2).
7. The electronic class sign recognition device for campus according to claim 1, characterized in that: A guide groove is formed at the front top end of the baffle plate (8) above the front end face of the hollow shell (2), and the depth and width of the guide groove at the front top end of the baffle plate (8) are both matched with the thickness and width of the baffle plate (8). The length of the baffle plate (8) is the same as the total longitudinal length of the two groups of guard plates (12).