Face internet-of-things door lock
By introducing a combined design of stepper motor and servo motor into the face IoT door lock, the camera can be adjusted on the horizontal and vertical surfaces, solving the problem of limited camera shooting range in the prior art and improving the use effect.
Patent Information
- Application Number
- CN202422432626.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-09
AI Technical Summary
During the use of the existing face IoT door lock, the camera can only be adjusted on the vertical surface, resulting in limited horizontal shooting range. Users need to stand in a specific position to be photographed, and the use effect is not good.
The stepper motor and servo motor are used to combine the design of gears, ring gears, conductive rings and conductive blocks, so that the camera can be adjusted on the horizontal and vertical surfaces, increase the shooting range, and adapt to different user positions.
Through adjustments on horizontal and vertical surfaces, the camera can adjust the angle according to the user's position, significantly increasing the shooting range and improving the use effect.
Smart Images

Figure CN223193367U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door locks, and in particular to a face recognition Internet of Things door lock. Background Art
[0002] IoT door locks are smart door locks, which are different from traditional mechanical locks and are improved upon to provide more intelligent and simplified user security, identification, and management. Smart door locks are the executive component of the access control system that locks the door.
[0003] Existing facial IoT door locks are designed to be suitable for users of different heights. The camera is usually set to have an adjustable tilt angle to increase the camera's shooting range. During the shooting process, the camera is only adjusted in the vertical plane, which results in a limited horizontal shooting range. The user needs to stand in the shooting range to shoot the user's ear and face. It cannot be adjusted according to the user's standing position, resulting in poor use effect. Therefore, a facial IoT door lock is urgently needed to solve the above problems. Utility Model Content
[0004] (1) Technical issues to be resolved
[0005] The technical problem to be solved by the present invention is to provide a facial IoT door lock that can be adjusted not only in the vertical plane but also in the horizontal plane, thereby effectively increasing the shooting range and adjusting the angle of the camera according to the position where the user stands, so as to achieve good use effect.
[0006] (2) Technical solution
[0007] The present invention is realized through the following technical solution: The present invention proposes a facial IoT door lock, comprising a lock body, a built-in actuator in the lock body, a panel fixed at one end of the lock body, an adjustment cavity opened near the upper end of the panel, a partition fixed in the adjustment cavity, a T-shaped connecting column arranged in the partition through a bearing, a gear ring fixed on the outer wall of the connecting column, a gear connected to one side of the gear ring, a stepping motor connected to the upper end of the gear, a U-shaped supporting frame fixed to the bottom end of the connecting column, a camera installed in the supporting frame, a servo motor fixed on one side wall of the supporting frame, a power supply box fixed on the upper end wall of the adjustment cavity, a conductive ring installed in the power supply box, and a conductive block fixed on one side wall of the connecting column.
[0008] Furthermore, the adjustment cavity is formed on the panel, and explosion-proof glass is fixed to one end of the adjustment cavity.
[0009] By adopting the above technical solution, the explosion-proof glass hides and protects the camera while ensuring the shooting performance of the camera.
[0010] Furthermore, a radar sensor is installed on one side wall of the panel, and a handle is provided below the radar sensor.
[0011] By adopting the above technical solution, the radar sensor can monitor the human body outside the door in real time, and the handle is convenient for pulling the door body.
[0012] Furthermore, the connecting column is rotatably connected to the top wall of the regulating chamber, the gear is meshed with the ring gear, the gear is rotatably connected to the partition, and the output shaft of the stepping motor is fixedly connected to the gear.
[0013] By adopting the above technical solution, the stepping motor drives the gear to rotate, and the gear drives the connecting column to rotate through the ring gear, thereby driving the camera to rotate along the horizontal plane.
[0014] Furthermore, the bottom end of the connecting column is connected to the supporting frame by bolts, the camera is rotatably installed in the supporting frame, and the output shaft of the servo motor is fixedly connected to a side wall of the camera.
[0015] By adopting the above technical solution, the servo motor drives the camera to rotate along the vertical plane, thereby adjusting its tilt angle, which is suitable for users of different heights. The camera shoots the user's face.
[0016] Furthermore, the power supply box is fixed to the top of the adjustment cavity by screws, the connecting column passes through the power supply box, the connecting column has a built-in conductive core, the conductive block is slidably connected to the conductive ring, and the conductive block is electrically connected to the camera and the servo motor through the conductive core.
[0017] By adopting the above technical solution, the conductive ring is combined with the conductive block to realize rotational power supply.
[0018] Furthermore, a control cavity is opened inside the middle end of the panel, a main controller is installed in the control cavity, and the main controller has a built-in corresponding facial data analysis algorithm.
[0019] By adopting the above technical solution, the camera transmits the captured facial image to the main controller, and the algorithm in the main controller processes and analyzes the captured image and compares it with the pre-stored facial data results. If the comparison is consistent, the output module controls the drive mechanism in the lock body to operate and open the door. If the comparison is inconsistent, no action is taken.
[0020] Furthermore, a communication module is provided below the main controller, an output module is installed on one side of the communication module, and the communication module and the output module are electrically connected to the main controller.
[0021] By adopting the above technical solution, the communication module can enable the user's mobile phone to communicate with the device. When the door is opened, the detection data can be transmitted to the user's mobile phone through the communication module, which is convenient for the user to understand.
[0022] (3) Beneficial effects
[0023] Compared with the prior art, the present invention has the following beneficial effects:
[0024] In order to solve the problem that the existing face recognition IoT door lock is suitable for users of different heights during use, the camera is usually set to have adjustable tilt angles to increase the camera's shooting range. During the shooting process, the above method only adjusts the camera in the vertical plane, which leads to a limited horizontal shooting range. The user needs to stand within the shooting range to shoot the user's earband face, and it cannot be adjusted according to the user's standing position, resulting in poor use effect. The utility model sets a stepper motor, gears, gears, conductive blocks and conductive rings. During the use of the lock body, the stepper motor drives the gear ring to rotate through the gears, and then drives the camera to rotate along the horizontal plane. The conductive ring and the conductive block can realize rotational power supply, and then cooperate with the original servo motor to drive the camera to rotate along the vertical plane, and then adjust its tilt angle, which can effectively increase the camera's shooting range, and can adjust the camera angle according to the user's standing position, effectively improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a structural diagram of a facial recognition IoT door lock described in the present invention;
[0026] Figure 2 This is a main cross-sectional view of the middle panel of a facial recognition IoT door lock described in the present invention;
[0027] Figure 3 This is a facial recognition IoT door lock described in the utility model. Figure 2 Enlarged view of point A in the middle;
[0028] Figure 4 This is a circuit block diagram of a facial recognition IoT door lock described in the present invention.
[0029] The following are the descriptions of the reference numerals:
[0030] 1. Panel; 2. Lock body; 3. Explosion-proof glass; 4. Pull handle; 5. Adjustment chamber; 6. Radar sensor; 7. Camera; 8. Carrier; 9. Servo motor; 10. Stepper motor; 11. Partition; 12. Connecting column; 13. Ring gear; 14. Gear; 15. Control chamber; 16. Main controller; 17. Communication module; 18. Output module; 19. Power supply box; 20. Conductive ring; 21. Conductive block. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0032] like Figures 1-4 As shown, a face IoT door lock in this embodiment includes a lock body 2, a built-in actuator in the lock body 2, a panel 1 fixed to one end of the lock body 2, an adjustment chamber 5 is opened near the upper end of the panel 1, a partition 11 is fixed in the adjustment chamber 5, a T-shaped connecting column 12 is provided in the partition 11 through a bearing, a gear ring 13 is fixed to the outer wall of the connecting column 12, a gear 14 is connected to one side of the gear ring 13, a stepping motor 10 is connected to the upper end of the gear 14, the stepping motor 10 drives the gear 14 to rotate, and the gear 14 drives the connecting column 12 to rotate through the gear ring 13, thereby driving the camera The head 7 rotates along the horizontal plane, and a U-shaped support frame 8 is fixed to the bottom end of the connecting column 12. A camera 7 is installed in the support frame 8. A servo motor 9 is fixed to one side wall of the support frame 8. The servo motor 9 drives the camera 7 to rotate along the vertical plane, thereby adjusting its tilt angle, which is suitable for users of different heights. The camera 7 takes pictures of the user's face. A power supply box 19 is fixed on the upper end wall of the adjustment cavity 5, and a conductive ring 20 is installed in the power supply box 19. A conductive block 21 is fixed to one side wall of the connecting column 12. The conductive ring 20 and the conductive block 21 are combined to realize rotary power supply.
[0033] like Figures 1-4As shown, in this embodiment, the adjustment cavity 5 is formed on the panel 1, and an explosion-proof glass 3 is fixed at one end of the adjustment cavity 5. The explosion-proof glass 3 hides and protects the camera 7 while ensuring the shooting performance of the camera 7. A radar sensor 6 is installed on one side wall of the panel 1, and a handle 4 is provided below the radar sensor 6. The radar sensor 6 can monitor the human body outside the door in real time. The handle 4 is convenient for pulling the door body. The connecting column 12 is rotatably connected to the top wall of the adjustment cavity 5, the gear 14 is engaged with the ring gear 13, the gear 14 is rotatably connected to the partition 11, the output shaft of the stepping motor 10 is fixedly connected to the gear 14, the bottom end of the connecting column 12 is connected to the carrier 8 by bolts, the camera 7 is rotatably installed in the carrier 8, the output shaft of the servo motor 9 is fixedly connected to one side wall of the camera 7, the power supply box 19 is fixed to the top end of the adjustment cavity 5 by screws, the connecting column 12 passes through the power supply box 19, the connecting column 12 has a built-in conductive core, the conductive block 21 is slidably connected to the conductive ring 20, and the conductive block 21 is electrically connected to the camera 7 and the servo motor 9 through the conductive core.
[0034] like Figures 1-4 As shown, in this embodiment, a control cavity 15 is opened inside the middle end of the panel 1, and a main controller 16 is installed in the control cavity 15. The main controller 16 has a built-in corresponding facial data analysis algorithm. The camera 7 transmits the captured facial image to the main controller 16. The algorithm in the main controller 16 processes and analyzes the captured image and compares it with the pre-stored facial data results. If the comparison is consistent, the output module 18 is used to control the drive mechanism in the lock body 2 to open the door. If the comparison is inconsistent, the lock body 2 will not move. A communication module 17 is provided below the main controller 16, and an output module 18 is installed on one side of the communication module 17. The communication module 17 and the output module 18 are electrically connected to the main controller 16. The communication module 17 can enable the user's mobile phone to communicate with the device. When the door body is opened, the detection data can be transmitted to the user's mobile phone through the communication module 17, which is convenient for the user to understand.
[0035] The specific implementation process of this embodiment is as follows: the device is installed on the door body. During use, the radar sensor 6 can monitor the human body outside the door in real time. When a human body is detected, the detection signal is transmitted to the main controller 16. The main controller 16 controls the operation of the stepper motor 10 and the servo motor 9. The stepper motor 10 drives the ring gear 13 to rotate through the gear 14, thereby driving the camera 7 to rotate along the horizontal plane. The conductive ring 20 and the conductive block 21 can realize rotation power supply. Then, in conjunction with the original servo motor 9, the camera 7 is driven to rotate along the vertical plane, thereby adjusting its tilt angle, which can effectively increase the shooting range of the camera 7. The angle of the camera 7 can be adjusted according to the user's standing position. After adjustment, the camera 7 captures the human face and transmits the captured image to the main controller 16. The algorithm in the main controller 16 processes and analyzes the captured image and compares it with the pre-stored facial data results. If the comparison is consistent, the output module 18 controls the drive mechanism in the lock body 2 to operate, and the door is opened. At this time, the communication module 17 transmits the detection data to the user's mobile phone for the user to understand. If the comparison is inconsistent, no action is taken.
[0036] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A facial recognition IoT door lock, characterized by: The invention comprises a lock body (2), wherein the lock body (2) has a built-in actuator, a panel (1) is fixed at one end of the lock body (2), an adjustment chamber (5) is provided in the panel (1) near the upper end, a partition (11) is fixed in the adjustment chamber (5), a T-shaped connecting column (12) is provided in the partition (11) through a bearing, a gear ring (13) is fixed on the outer wall of the connecting column (12), a gear (14) is connected to one side of the gear ring (13), a stepping motor (10) is connected to the upper end of the gear (14), a U-shaped supporting frame (8) is fixed at the bottom end of the connecting column (12), a camera (7) is installed in the supporting frame (8), a servo motor (9) is fixed on one side wall of the supporting frame (8), a power supply box (19) is fixed on the upper end wall of the adjustment chamber (5), a conductive ring (20) is installed in the power supply box (19), and a conductive block (21) is fixed on one side wall of the connecting column (12).
2. The facial recognition IoT door lock according to claim 1, characterized in that: The regulating cavity (5) is formed on the panel (1), and an explosion-proof glass (3) is fixed to one end of the regulating cavity (5).
3. The facial recognition IoT door lock according to claim 1, characterized in that: A radar sensor (6) is installed on one side wall of the panel (1), and a pull handle (4) is provided below the radar sensor (6).
4. The facial recognition IoT door lock according to claim 1, characterized in that: The connecting column (12) is rotatably connected to the top wall of the regulating chamber (5), the gear (14) is meshed with the ring gear (13), the gear (14) is rotatably connected to the partition (11), and the output shaft of the stepping motor (10) is fixedly connected to the gear (14).
5. The facial recognition IoT door lock according to claim 1, characterized in that: The bottom end of the connecting column (12) is connected to the supporting frame (8) by bolts, the camera (7) is rotatably installed in the supporting frame (8), and the output shaft of the servo motor (9) is fixedly connected to a side wall of the camera (7).
6. The facial recognition IoT door lock according to claim 4, characterized in that: The power supply box (19) is fixed to the top of the regulating cavity (5) by screws, the connecting column (12) passes through the power supply box (19), the connecting column (12) has a built-in conductive core, the conductive block (21) is slidably connected to the conductive ring (20), and the conductive block (21) is electrically connected to the camera (7) and the servo motor (9) through the conductive core.
7. The facial recognition IoT door lock according to claim 5, characterized in that: A control cavity (15) is provided inside the middle end of the panel (1), and a main controller (16) is installed in the control cavity (15).
8. The facial recognition IoT door lock according to claim 7, characterized in that: A communication module (17) is provided below the main controller (16), an output module (18) is installed on one side of the communication module (17), and the communication module (17) and the output module (18) are both electrically connected to the main controller (16).