Face recognition device
By setting a stepper motor, caliper, linkage rod, rotating shaft and connecting seat in the face recognition device, real-time adjustment of the camera angle is achieved, and the problem of not being able to adapt to different heights in the prior art is solved, and the recognition accuracy is improved.
Patent Information
- Application Number
- CN202411687997.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-03-18
AI Technical Summary
The existing facial recognition device cannot adjust the camera's shooting angle in real time based on the height of the actual user, resulting in limited recognition process.
By setting the stepper motor, cam, linkage rod, rotation shaft and connecting seat, the stepper motor drives the cam to rotate, and the cam to rotate in the middle of the fixed seat through the linkage rod, thereby adjusting the shooting angle of the camera.
Real-time adjustment of camera shooting angle is realized, adapting to the height of different people, and improving the accuracy and efficiency of facial recognition.
Smart Images

Figure CN119648967A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of face recognition, in particular to a face recognition device. Background Art
[0002] Face recognition is a biometric technology that identifies people based on their facial features. It uses a camera or camcorder to collect images or video streams containing faces, automatically detects and tracks faces in images, and then performs facial recognition on the detected faces. It is also commonly called portrait recognition or facial recognition.
[0003] An angle adjustment structure of a camera of a face recognition device disclosed in Chinese invention patent application publication number CN 111866343 B comprises a recognition device body and a camera, wherein a through slot is provided through the top of the recognition device body and at the front and back positions near the middle, and a rotating card slot is provided on the top of the recognition device body and at the left and right sides near the top of the through slot, and the camera is located inside the through slot provided in the recognition device body, and a connecting rod is fixedly connected to the left and right sides of the camera and at the position near the top, and through the structural design of the camera, the connecting rod, the through slot, the convex block, the roller, the first fixing plate and the convex plate, the recognition device is effectively provided with the effect of convenient and fast angle adjustment, and the situation that the adjustment process of the traditional angle adjustment structure is relatively cumbersome occurs, and the problem that the face recognition process takes a lot of time due to the cumbersome adjustment process is solved, but the angle adjustment structure of the camera of the face recognition device cannot perform real-time angle adjustment according to the height of the actual user. Summary of the invention
[0004] The purpose of the present invention is to provide a face recognition device to solve the problems raised by the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] A face recognition device, comprising:
[0007] A shell, wherein fixing seats are arranged on both sides of the upper part of the shell, a rotating shaft is arranged in the middle of the fixing seat, a fixing plate is arranged on one side of the rotating shaft surface, cameras are arranged on both sides of the fixing plate surface, a connecting seat is arranged on the other side of the rotating shaft surface, a linkage rod is arranged in the middle of the connecting seat, a cam wheel is arranged at the other end of the linkage rod, and a stepping motor is arranged on one side of the cam wheel.
[0008] Preferably, both sides of the upper interior of the shell are fixedly connected with fixing seats, the upper part of the fixing seat is fixedly connected with a first connecting column, one side of the fixing seat is fixedly connected with a second connecting column, and the middle part of the shell is fixedly connected with a third connecting column.
[0009] Preferably, four third connecting columns are provided, and the third connecting columns are symmetrically distributed inside the shell, heat dissipation holes are opened on both sides of the shell, a speaker hole is opened above one side of the shell, and a wiring harness hole is opened below the shell.
[0010] Preferably, a white fill light is fixedly connected to the top of the first connecting column, an infrared fill light is fixedly connected to the top of the second connecting column, a speaker is fixedly connected to one side of the speaker hole, and an integrated circuit board is fixedly connected to the top of the third connecting column.
[0011] Preferably, one side of the surface of the integrated circuit board is electrically connected to a storage module, the other side of the surface of the integrated circuit board is electrically connected to an information processing module, and the upper side of the surface of the integrated circuit board is electrically connected to a control module.
[0012] Preferably, a rotating hole is provided in the middle of the fixing seat, a limiting groove is provided on one side of the rotating hole, a rotating shaft is rotatably connected inside the rotating hole, both ends of the rotating shaft surface are fixedly connected to limiting blocks, the limiting blocks are rotatably connected to the inside of the limiting groove, both ends of the rotating shaft are fixedly connected to limiting plates, one side of the rotating shaft surface is fixedly connected to a fixing plate, and cameras are fixedly connected to both sides of the fixing plate surface.
[0013] Preferably, a connecting seat is fixedly connected to the other side of the rotating shaft surface, a first rotating groove is opened in the middle of the connecting seat, a first bayonet is fixedly connected to the middle of the first rotating groove, a supporting seat is fixedly connected to the surface of the shell, clamps are fixedly connected on both sides of the top of the supporting seat, and a stepping motor is fixedly connected to the middle of the clamp.
[0014] Preferably, the output end of the stepper motor is connected to a cam wheel via a spline, a second rotating groove is opened in the middle of the cam wheel, a second pin is fixedly connected to the middle of the second rotating groove, a linkage rod is rotatably connected to the surface of the second pin, and the other end of the linkage rod is rotatably connected to the surface of the first pin.
[0015] Preferably, a temperature measuring module is fixedly connected to the top of the shell, a panel is fixedly connected to one end of the shell, a display screen is fixedly connected to the middle of the panel, a mounting bracket is fixedly connected to the bottom end of the shell, a through hole is opened on one side of the mounting bracket, and the inner diameter of the through hole is the same as the inner diameter of the wiring harness hole.
[0016] Preferably, the bottom end of the mounting bracket is fixedly connected to a base, a dust cover is sleeved on the surface of the mounting bracket, a number of fixing holes are evenly arranged at the edge of the surface of the base, a threaded hole is arranged in the middle of the base, a fixing bolt is connected to the internal thread of the threaded hole, and a gasket is sleeved on the surface of the fixing bolt.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] The present invention is provided with a stepping motor, a cam wheel, a linkage rod, a rotating shaft and a connecting seat. When in use, the stepping motor drives the cam wheel to rotate, and the cam wheel drives the rotating shaft to rotate in the middle of the fixing seat through the linkage rod, so as to achieve the effect of adjusting the shooting angle of the camera. By providing a white fill light and an infrared fill light, the white fill light and the infrared fill light are used for fill light during the image acquisition process when in use, so as to achieve the effect of not being affected by the height of the person and the ambient light during the face recognition process, thereby improving the recognition accuracy.
[0019] Through the setting of the integrated circuit board, when in use, the integrated circuit board includes a storage module, an information processing module and a control module. The storage module is used to collect and store facial information, the information processing module is used for face collection, recognition, comparison and signal sending, and the control module is used to receive the signal sent by the information processing module and control the stepper motor to work. When the face collected by the camera is incomplete, the information processing module will send an electrical signal to the control module. After receiving the signal, the control module will send an electrical signal to the stepper motor to adjust the shooting angle of the camera, so as to achieve the effect that the shooting angle of the camera can be adjusted in real time according to the actual height of the person;
[0020] Through the setting of the base, a threaded hole is opened in the middle of the base when in use, and a number of fixing holes are evenly opened on the edge of the base surface. When there are holes on the installation surface, it is only necessary to pass the fixing bolts from the bottom of the holes and tighten them with the threaded holes in the middle of the base. When there are no holes on the installation surface, it is only necessary to remove the fixing bolts and gaskets, and then use self-tapping screws to fix them directly through the fixing holes, so that the installation method can be selected according to the actual installation situation. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0022] Figure 2 It is a schematic diagram of the housing structure of the present invention;
[0023] Figure 3 It is a schematic diagram of the internal structure of the housing of the present invention;
[0024] Figure 4 It is a schematic diagram of the structure of the fixing seat of the present invention;
[0025] Figure 5 It is a schematic diagram of the linkage rod structure of the present invention;
[0026] Figure 6 It is a schematic diagram of the mounting bracket structure of the present invention.
[0027] In the figure: 1, shell; 101, heat dissipation hole; 102, speaker hole; 103, harness hole; 2, fixing seat; 201, rotation hole; 202, limit slot; 3, first connecting column; 4, second connecting column; 5, third connecting column; 6, white fill light; 7, infrared fill light; 8, speaker; 9, integrated circuit board; 901, storage module; 902, information processing module; 903, control module; 10, rotating shaft; 1001, limit block; 1002, limit plate; 11, fixing plate; 12. Camera; 13. Connecting seat; 1301. First rotating groove; 14. First bayonet; 15. Support seat; 16. Clamp; 17. Stepping motor; 18. Cam wheel; 1801. Second rotating groove; 19. Second bayonet; 20. Linkage rod; 21. Mounting bracket; 2101. Through hole; 22. Base; 2201. Threaded hole; 2202. Fixing hole; 23. Dust cover; 24. Fixing bolt; 25. Gasket; 26. Panel; 27. Display screen; 28. Temperature measurement module. DETAILED DESCRIPTION
[0028] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.
[0029] Embodiment 1:
[0030] See also Figures 1 to 6 The present invention provides a technical solution: a face recognition device, comprising:
[0031] A shell 1 is provided with a fixing seat 2 on both sides of the upper part of the shell 1, a rotating shaft 10 is provided in the middle of the fixing seat 2, a fixing plate 11 is provided on one side of the surface of the rotating shaft 10, cameras 12 are provided on both sides of the surface of the fixing plate 11, a connecting seat 13 is provided on the other side of the surface of the rotating shaft 10, a linkage rod 20 is provided in the middle of the connecting seat 13, a cam wheel 18 is provided at the other end of the linkage rod 20, and a stepping motor 17 is provided on one side of the cam wheel 18.
[0032] Through the arrangement of the stepper motor 17, the cam wheel 18, the linkage rod 20, the rotating shaft 10 and the connecting seat 13, when in use, the stepper motor 17 drives the cam wheel 18 to rotate, and the cam wheel 18 drives the rotating shaft 10 to rotate in the middle of the fixed seat 2 through the linkage rod 20, thereby achieving the effect of adjusting the shooting angle of the camera 12, and through the arrangement of the white fill light 6 and the infrared fill light 7, during the image acquisition process when in use, the white fill light 6 and the infrared fill light 7 are used for fill light, thereby achieving the effect of not being affected by the height of the person and the ambient light during the face recognition process, thereby improving the recognition accuracy.
[0033] Embodiment 2:
[0034] like Figures 2 to 5 As shown, the structure of a face recognition device disclosed in the second embodiment of the present invention is basically the same as that in the first embodiment, except that:
[0035] The two sides of the upper part of the shell 1 are fixedly connected with a fixing seat 2, the upper part of the fixing seat 2 is fixedly connected with a first connecting column 3, one side of the fixing seat 2 is fixedly connected with a second connecting column 4, and the middle part of the shell 1 is fixedly connected with a third connecting column 5.
[0036] There are four third connecting columns 5 symmetrically distributed inside the shell 1 , heat dissipation holes 101 are provided on both sides of the shell 1 , a speaker hole 102 is provided above one side of the shell 1 , and a wiring harness hole 103 is provided below the shell 1 .
[0037] A white fill light 6 is fixedly connected to the top of the first connecting column 3 , an infrared fill light 7 is fixedly connected to the top of the second connecting column 4 , a speaker 8 is fixedly connected to one side of the speaker hole 102 , and an integrated circuit board 9 is fixedly connected to the top of the third connecting column 5 .
[0038] One side of the surface of the integrated circuit board 9 is electrically connected to a storage module 901, the other side of the surface of the integrated circuit board 9 is electrically connected to an information processing module 902, and the upper part of the surface of the integrated circuit board 9 is electrically connected to a control module 903.
[0039] A rotating hole 201 is provided in the middle of the fixed seat 2, and a limiting groove 202 is provided on one side of the rotating hole 201. A rotating shaft 10 is rotatably connected inside the rotating hole 201, and both ends of the surface of the rotating shaft 10 are fixedly connected to limiting blocks 1001, and the limiting blocks 1001 are rotatably connected to the inside of the limiting groove 202. Both ends of the rotating shaft 10 are fixedly connected to limiting plates 1002, and a fixed plate 11 is fixedly connected to one side of the surface of the rotating shaft 10, and cameras 12 are fixedly connected to both sides of the surface of the fixing plate 11.
[0040] A connecting seat 13 is fixedly connected to the other side of the surface of the rotating shaft 10, a first rotating groove 1301 is opened in the middle of the connecting seat 13, a first bayonet 14 is fixedly connected to the middle of the first rotating groove 1301, a supporting seat 15 is fixedly connected to the surface of the shell 1, both sides of the top of the supporting seat 15 are fixedly connected with clamps 16, and a stepping motor 17 is fixedly connected to the middle of the clamp 16.
[0041] The output end of the stepper motor 17 is connected to a cam wheel 18 via a spline, a second rotating groove 1801 is opened in the middle of the cam wheel 18, a second bayonet 19 is fixedly connected to the middle of the second rotating groove 1801, a linkage rod 20 is rotatably connected to the surface of the second bayonet 19, and the other end of the linkage rod 20 is rotatably connected to the surface of the first bayonet 14.
[0042] Through the setting of the integrated circuit board 9, when in use, the integrated circuit board 9 includes a storage module 901, an information processing module 902 and a control module 903. The storage module 901 is used to collect and store facial information, the information processing module 902 is used for face collection, recognition, comparison and sending signals, and the control module 903 is used to receive the signal sent by the information processing module 902 and control the stepper motor 17 to work. When the face collected by the camera 12 is incomplete, the information processing module 902 will send an electrical signal to the control module 903. After receiving the signal, the control module 903 sends an electrical signal to the stepper motor 17 to adjust the shooting angle of the camera 12, thereby achieving the effect that the shooting angle of the camera 12 can be adjusted in real time according to the actual height of the person.
[0043] Embodiment three:
[0044] like Figure 6 As shown, the structure of a face recognition device disclosed in the third embodiment of the present invention is basically the same as that in the second embodiment, except that:
[0045] A temperature measuring module 28 is fixedly connected to the top of the shell 1, a panel 26 is fixedly connected to one end of the shell 1, a display screen 27 is fixedly connected to the middle of the panel 26, and a mounting bracket 21 is fixedly connected to the bottom end of the shell 1. A through hole 2101 is opened on one side of the mounting bracket 21, and the inner diameter of the through hole 2101 is the same as the inner diameter of the wiring harness hole 103.
[0046] The bottom end of the mounting bracket 21 is fixedly connected to a base 22, a dust cover 23 is sleeved on the surface of the mounting bracket 21, a plurality of fixing holes 2202 are evenly provided at the edge of the surface of the base 22, a threaded hole 2201 is provided in the middle of the base 22, a fixing bolt 24 is threadedly connected to the inner part of the threaded hole 2201, and a gasket 25 is sleeved on the surface of the fixing bolt 24.
[0047] Through the setting of the base 22, a threaded hole 2201 is opened in the middle of the base 22 when in use, and a plurality of fixing holes 2202 are evenly opened at the edge of the surface of the base 22. When there are holes on the installation surface, it is only necessary to pass the fixing bolt 24 from the bottom of the hole and tighten it with the threaded hole 2201 in the middle of the base 22. When there are no holes on the installation surface, it is only necessary to remove the fixing bolt 24 and the gasket 25, and then use the self-tapping screw to fix it directly through the fixing hole 2202, so that the installation method can be selected according to the actual installation situation.
[0048] The specific solution is as follows: first, the facial information is collected and stored through the storage module 901. When performing facial recognition, the recognition personnel only need to stand in front of the display screen 27, and then the camera 12 will adjust the angle to recognize the face. Through the setting of the stepper motor 17, the cam wheel 18, the linkage rod 20, the shaft 10 and the connecting seat 13, when in use, the stepper motor 17 drives the cam wheel 18 to rotate, and the cam wheel 18 drives the shaft 10 to rotate in the middle of the fixed seat 2 through the linkage rod 20, so as to achieve the effect of adjusting the shooting angle of the camera 12, and the white fill light is used. 6 and the infrared fill light 7 are set. When in use, the white fill light 6 and the infrared fill light 7 are used for fill light during the image acquisition process, so that the face recognition process is not affected by the height of the person and the ambient light, thereby improving the recognition accuracy. Then the information processing module 902 compares the collected face with the face information pre-stored in the storage module 901, and finally displays the comparison result through the display screen 27. Through the setting of the integrated circuit board 9, when in use, the integrated circuit board 9 includes a storage module 901, an information processing module 902 and a control module 903. The storage module 901 The storage module 901 is used to collect and store face information, the information processing module 902 is used to collect, identify, compare and send signals, and the control module 903 is used to receive the signal sent by the information processing module 902 and control the stepper motor 17 to work. When the face collected by the camera 12 is incomplete, the information processing module 902 will send an electrical signal to the control module 903. After receiving the signal, the control module 903 will send an electrical signal to the stepper motor 17 to adjust the shooting angle of the camera 12, so that the shooting angle of the camera 12 can be adjusted in real time according to the actual height of the person. Through the setting of the base 22, a threaded hole 2201 is opened in the middle of the base 22 when in use, and a plurality of fixing holes 2202 are evenly opened at the edge of the surface of the base 22. When there are holes on the installation surface, it is only necessary to pass the fixing bolt 24 from the bottom of the hole and tighten it with the threaded hole 2201 in the middle of the base 22. When there are no holes on the installation surface, it is only necessary to remove the fixing bolt 24 and the gasket 25, and then use the self-tapping screw to fix it directly through the fixing hole 2202, thereby achieving the effect that the installation method can be selected according to the actual installation situation.
[0049] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.
[0050] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A face recognition device, characterized in that: include: A shell (1), wherein a fixing seat (2) is arranged on both sides of the upper part of the shell (1), a rotating shaft (10) is arranged in the middle of the fixing seat (2), a fixing plate (11) is arranged on one side of the surface of the rotating shaft (10), cameras (12) are arranged on both sides of the surface of the fixing plate (11), a connecting seat (13) is arranged on the other side of the surface of the rotating shaft (10), a linkage rod (20) is arranged in the middle of the connecting seat (13), a cam wheel (18) is arranged at the other end of the linkage rod (20), and a stepping motor (17) is arranged on one side of the cam wheel (18).
2. A face recognition device according to claim 1, characterized in that: Both sides of the upper interior of the shell (1) are fixedly connected to a fixing seat (2), the upper part of the fixing seat (2) is fixedly connected to a first connecting column (3), one side of the fixing seat (2) is fixedly connected to a second connecting column (4), and the middle part of the shell (1) is fixedly connected to a third connecting column (5).
3. A face recognition device according to claim 2, characterized in that: Four third connecting columns (5) are provided, and the third connecting columns (5) are symmetrically distributed inside the shell (1). Both sides of the shell (1) are provided with heat dissipation holes (101), a speaker hole (102) is provided above one side of the shell (1), and a wiring harness hole (103) is provided below the shell (1).
4. A face recognition device according to claim 3, characterized in that: A white fill light (6) is fixedly connected to the top of the first connecting column (3), an infrared fill light (7) is fixedly connected to the top of the second connecting column (4), a speaker (8) is fixedly connected to one side of the speaker hole (102), and an integrated circuit board (9) is fixedly connected to the top of the third connecting column (5).
5. A face recognition device according to claim 4, characterized in that: One side of the surface of the integrated circuit board (9) is electrically connected to a storage module (901), the other side of the surface of the integrated circuit board (9) is electrically connected to an information processing module (902), and the upper part of the surface of the integrated circuit board (9) is electrically connected to a control module (903).
6. A face recognition device according to claim 5, characterized in that: A rotating hole (201) is provided in the middle of the fixing seat (2), a limiting groove (202) is provided on one side of the rotating hole (201), a rotating shaft (10) is rotatably connected inside the rotating hole (201), both ends of the surface of the rotating shaft (10) are fixedly connected to limiting blocks (1001), the limiting blocks (1001) are rotatably connected inside the limiting groove (202), both ends of the rotating shaft (10) are fixedly connected to limiting plates (1002), one side of the surface of the rotating shaft (10) is fixedly connected to a fixing plate (11), and both sides of the surface of the fixing plate (11) are fixedly connected to cameras (12).
7. A face recognition device according to claim 6, characterized in that: A connecting seat (13) is fixedly connected to the other side of the surface of the rotating shaft (10), a first rotating groove (1301) is provided in the middle of the connecting seat (13), a first bayonet (14) is fixedly connected to the middle of the first rotating groove (1301), a supporting seat (15) is fixedly connected to the surface of the shell (1), clamps (16) are fixedly connected to both sides of the top of the supporting seat (15), and a stepping motor (17) is fixedly connected to the middle of the clamp (16).
8. A face recognition device according to claim 7, characterized in that: The output end of the stepper motor (17) is connected to a cam wheel (18) via a spline, a second rotation groove (1801) is provided in the middle of the cam wheel (18), a second bayonet (19) is fixedly connected to the middle of the second rotation groove (1801), a linkage rod (20) is rotationally connected to the surface of the second bayonet (19), and the other end of the linkage rod (20) is rotationally connected to the surface of the first bayonet (14).
9. A face recognition device according to claim 8, characterized in that: The top end of the shell (1) is fixedly connected to a temperature measuring module (28), one end of the shell (1) is fixedly connected to a panel (26), the middle of the panel (26) is fixedly connected to a display screen (27), the bottom end of the shell (1) is fixedly connected to a mounting bracket (21), one side of the mounting bracket (21) is provided with a through hole (2101), and the inner diameter of the through hole (2101) is the same as the inner diameter of the wiring harness hole (103).
10. A face recognition device according to claim 9, characterized in that: The bottom end of the mounting bracket (21) is fixedly connected to a base (22); a dust cover (23) is sleeved on the surface of the mounting bracket (21); a plurality of fixing holes (2202) are evenly arranged at the edge of the surface of the base (22); a threaded hole (2201) is arranged in the middle of the base (22); a fixing bolt (24) is threadedly connected to the inner part of the threaded hole (2201); and a gasket (25) is sleeved on the surface of the fixing bolt (24).
Citation Information
Patent Citations
An angle adjustment structure for a face recognition device camera
CN111866343B