Adjustable face recognition terminal

Abstract

The utility model relates to the field of face recognition, in particular to an adjustable face recognition terminal which comprises a base and a connecting support, a shell connected with the base through a rotating component is arranged on the base, a camera is arranged on the connecting support, and a sliding electric telescopic rod is arranged on the connecting support. A sliding bracket in sliding connection with the inner wall of the shell is arranged on the sliding electric telescopic rod, and a convex lens is arranged on the sliding bracket and is used for optically amplifying a portrait picture; the device further comprises an inclined electric telescopic rod, the inclined electric telescopic rod is provided with a rack connected with the driven gear in a meshed mode, the driven gear is provided with a reflector connected through an inclined rotating shaft, and the shell is provided with an inclined support rotationally connected with the reflector and used for adjusting the portrait shooting angle. In the using process of the device, when it is detected that part of the face image enters the collecting range of the camera, the image of the camera is shrunk and enlarged by sliding the electric telescopic rod.

Description

Technical Field

[0001] The utility model relates to the technical field of face recognition, in particular to an adjustable face recognition terminal. Background Art

[0002] Biometric identification and image acquisition technology refers to a technology that uses human biological characteristics to authenticate identity. The biometric characteristics are sampled, and their unique characteristics are extracted. Through close integration with computers and high-tech means such as optics, acoustics, biosensors and biostatistics principles, they are converted into digital codes. The inherent physiological and behavioral characteristics of the human body are used to identify personal identity.

[0003] A Chinese patent with publication number CN216979801U discloses an adjustable face recognition terminal, including a base and a face recognition device. A mounting groove is provided on the base, and a motor 1 is provided on one side of the inner wall of the mounting groove. A first adjusting rod is installed on the output end of the motor 1. The first adjusting rod is connected to the second adjusting rod through a first hinge, and the top of the second adjusting rod is connected to the face recognition device through a second hinge. The first hinge and the second hinge have the same structure, and the first hinge includes a fixed block. By adopting the above technical solution, the first adjusting rod can be rotated in the horizontal direction through the first hinge to adjust the horizontal recognition angle of the face recognition device, and the second adjusting rod can be rotated in the vertical direction through the second hinge to adjust the vertical recognition angle of the face recognition device, thereby realizing multi-angle adjustment of the face recognition device. Then, through the motor 1, the first adjusting rod and the second adjusting rod can be stored in the base, which is conducive to the convenient carrying of the device.

[0004] However, the above-mentioned publicly disclosed scheme has the following shortcomings: when in use, the above-mentioned device achieves the effect of adjusting the direction angle of the camera for face recognition by rotating the supporting bracket, but in actual use, since the body shapes of the people punching in for recognition are different, the inclination angle of the supporting bracket often needs to be frequently adjusted during continuous punching in for recognition, thereby accelerating the aging and loosening of the supporting bracket. Summary of the invention

[0005] The purpose of the utility model is to provide an adjustable face recognition terminal to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the device adopts an internal optical adjustment method to avoid frequent adjustment of the external rotating support structure, thereby avoiding problems such as rapid aging of the support structure. During the use of the device, when it is detected that part of the face image enters the camera collection range, the camera image is zoomed in and out by sliding the electric telescopic rod, and at the same time, the electric telescopic rod is tilted to drive the transmission gear to rotate, thereby changing the inclination angle of the reflector, thereby adjusting the position of the image collected by the camera to rise and fall, so that the device can be effectively compatible with users of different heights.

[0007] The utility model proposes an adjustable face recognition terminal, comprising a base, a shell connected by a rotating component is arranged on the base, and a connecting bracket is arranged on the connecting bracket. A camera is arranged on the connecting bracket, and a sliding electric telescopic rod is arranged on the connecting bracket. The sliding electric telescopic rod is provided with a sliding bracket slidably connected to the inner wall of the shell, and a convex lens is arranged on the sliding bracket for optically magnifying a portrait picture;

[0008] It also includes a tilting electric telescopic rod, on which a rack meshing with a driven gear is provided, on which a reflector connected via a tilting rotating shaft is provided, and on the housing is a tilting bracket rotatably connected to the reflector for adjusting the angle of portrait shooting.

[0009] Preferably, the rotating component includes a support rod, a rotating shaft is provided on the support rod, a rotating bracket is rotatably provided on the rotating shaft, the rotating bracket is connected to the shell, a rotating knob is provided on the side of the rotating shaft, and a rotating locking piece is threadedly provided on the side of the rotating shaft.

[0010] Preferably, a cover plate is provided on the shell, a display screen is provided on the cover plate, a waist-shaped hole is provided on the cover plate, a lens is covered on the waist-shaped hole, and a locking component is provided on the cover plate.

[0011] Preferably, the locking component includes a rotating rod, a locking knob is provided on the rotating rod, a spring bracket is rotatably provided on the locking knob, a plurality of groups of springs are provided on the spring bracket, the other end of the spring is connected to the cover plate, a locking protrusion is provided on the rotating rod, a sleeve is provided inside the shell, a locking limit piece is provided on the sleeve, and the locking protrusion of the rotating rod penetrates into the locking limit piece.

[0012] Preferably, a circuit board is provided in the shell, the circuit board is electrically connected to the camera, the circuit board is electrically connected to the sliding electric telescopic rod, and the circuit board is electrically connected to the tilting electric telescopic rod.

[0013] Preferably, a sliding groove is provided on the shell, a sliding protrusion is provided on the sliding bracket, the sliding protrusion is slidably connected to the inner wall of the sliding groove, and sliding limit members are provided on both ends of the sliding groove.

[0014] Preferably, the camera is colinear with the convex lens and the center of the reflector, and the reflector is tilted toward the direction of the lens.

[0015] Preferably, the interior of the sleeve is hollow, a sealing member is provided on the cover plate, and the sealing member is connected to a connecting seam on the side of the shell.

[0016] The above technical solution of the utility model has the following beneficial technical effects:

[0017] The device adopts an internal optical adjustment method to avoid frequent adjustment of the external rotating support structure, thereby avoiding problems such as rapid aging of the supporting structure. During the use of the device, when it is detected that part of the face image enters the camera collection range, the camera image is zoomed in and out by sliding the electric telescopic rod, and at the same time, the electric telescopic rod is tilted to drive the transmission gear to rotate, thereby changing the tilt angle of the reflector, thereby adjusting the position of the image collected by the camera, so that the device is effectively compatible with users of different heights. The optical reflection method inside the device is used to adjust the collection angle of view, which avoids manual adjustment from the outside and improves the efficiency of automatic face recognition. At the same time, the tilting and rotation of the reflector can effectively expand the face recognition range of the device, thereby ensuring that the device can be effectively compatible with users of different heights. The use of the telescopic rod for adjustment can avoid the inaccuracy of manual adjustment and improve the automation of the image adjustment of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of an embodiment of an adjustable face recognition terminal of the utility model;

[0019] Figure 2 for Figure 1 A magnified structural diagram;

[0020] Figure 3 This is a schematic diagram of the structure of the rotating component in the embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the circuit board in the embodiment of the utility model;

[0022] Figure 5 for Figure 4 The enlarged structure diagram at B;

[0023] : 1. base; 2. rotating component; 201. support rod; 202. rotating shaft; 203. rotating bracket; 204. rotating locking member; 205. rotating knob; 3. shell; 4. cover plate; 5. display screen; 6. lens; 7. locking component; 701. rotating rod; 702. spring; 703. locking knob; 704. locking limit member; 705. sleeve; 8. circuit board; 9. connecting bracket; 10. camera; 11. sliding electric telescopic rod; 12. tilting electric telescopic rod; 13. sliding bracket; 14. convex lens; 15. rack; 16. tilting bracket; 17. driven gear; 18. tilting rotating shaft; 19. reflector. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0026] Example 1: Please refer to Figure 1-5 The utility model provides a technical solution: an adjustable face recognition terminal includes a base 1, a shell 3 connected by a rotating component 2 is arranged on the base 1, including a connecting bracket 9, a camera 10 is arranged on the connecting bracket 9, a sliding electric telescopic rod 11 is arranged on the connecting bracket 9, a sliding bracket 13 slidably connected to the inner wall of the shell 3 is arranged on the sliding electric telescopic rod 11, and a convex lens 14 is arranged on the sliding bracket 13 for optically magnifying the portrait picture; a cover plate 4 is arranged on the shell 3, a display screen 5 is arranged on the cover plate 4, and the cover plate 4 A waist-shaped hole is provided on the upper part, a lens 6 is provided on the waist-shaped hole, and a locking component 7 is provided on the cover plate 4; the locking component 7 includes a rotating rod 701, a locking knob 703 is provided on the rotating rod 701, a spring bracket is rotatably provided on the locking knob 703, a plurality of groups of springs 702 are provided on the spring bracket, and the other end of the spring 702 is connected to the cover plate 4, a locking protrusion is provided on the rotating rod 701, a sleeve 705 is provided inside the housing 3, a locking limiter 704 is provided on the sleeve 705, and the locking protrusion of the rotating rod 701 penetrates into the locking limiter 704;

[0027] It also includes a tilting electric telescopic rod 12, on which a rack 15 meshing with a driven gear 17 is provided, and the driven gear 17 is provided with a reflector 19 connected via a tilting rotating shaft 18. The housing 3 is provided with a tilting bracket 16 rotatably connected to the reflector 19 for adjusting the portrait shooting angle. The camera 10 is colinear with the centers of the convex lens 14 and the reflector 19, and the reflector 19 is tilted toward the direction of the lens 6.

[0028] The rotating component 2 includes a support rod 201, a rotating shaft 202 is arranged on the support rod 201, a rotating bracket 203 is rotatably arranged on the rotating shaft 202, the rotating bracket 203 is connected to the shell 3, a rotating knob 205 is arranged on the side of the rotating shaft 202, and a rotating locking piece 204 is threadedly arranged on the side of the rotating shaft 202.

[0029] The housing 3 is provided with a sliding groove, the sliding bracket 13 is provided with a sliding protrusion, the sliding protrusion is slidably connected to the inner wall of the sliding groove, and sliding limiters are provided at both ends of the sliding groove.

[0030] The sleeve 705 is hollow inside, and a sealing member is provided on the cover plate 4 , and the sealing member is connected to the side surface of the shell 3 at a connecting seam.

[0031] This device can effectively improve the recognition range of the face recognition device. This device adopts internal automatic adaptive optical adjustment to avoid frequent adjustment of the external support structure and ensure the installation stability of the support structure. Compared with traditional devices, the support structure of this device will not age quickly, thereby increasing the service life of the device.

[0032] When the device is in working state, the base 1 structure can facilitate the installation and fixation of the device, reducing the difficulty of combining the device with the existing structure for installation. After the device is installed and fixed, the initial tilt angle of the shell 3 can be adjusted by the rotating knob 205 in the rotating component 2, so that the initial orientation direction of the lens 6 is located in the approximate position range of the human face, thereby effectively adapting to different types of usage environment positions.

[0033] When the tilt angle adjustment of the shell 3 is completed, the current rotation tilt angle of the rotating bracket 203 and the rotating shaft 202 can be fixed by rotating the locking piece 204, so as to facilitate fixing the current tilt angle of the shell 3. At this time, the cover plate 4 arranged on the shell 3 can protect the internal structure of the shell 3. At this time, the lens 6 is directed toward the approximate range of the human face.

[0034] When the identified person enters the identification range of the device, the face image enters the device through the lens 6. The structure of the reflector 19 can reflect the face image entering from the lens 6 toward the convex lens 14. The convex lens 14 can reduce and enlarge the image, thereby projecting the optically processed image into the camera 10.

[0035] When the face image captured by the camera 10 is incomplete, the sliding bracket 13 can be driven to slide by sliding the electric telescopic rod 11, thereby changing the distance between the convex lens 14 and the camera 10. The principle of optical focusing can change the distance between the convex lens 14 and the camera 10, thereby achieving an optical zoom effect, ensuring the image clarity of the device while being able to adjust the optical image by magnifying and reducing the image, thereby adapting to the image difference of different distances between the person and the device when the device is in use.

[0036] When the device needs to collect facial information of a person who is too tall or too short, the camera 10 collects part of the facial information. Since the collected information is incomplete, the tilting electric telescopic rod 12 is triggered to perform telescopic adjustment, thereby driving the rack 15 to slide linearly. The linear sliding of the rack 15 can realize the rotation of the driven gear 17, thereby driving the reflector 19 to tilt and rotate through the tilting rotation shaft 18. During the tilting and rotation of the reflector 19, due to the change in the tilt angle of the reflector 19, the images at different positions in the lens 6 are changed and reflected into the interior of the device and received by the camera 10. Through the reciprocating tilt adjustment process of the reflector 19, the camera 10 can collect complete facial information after the reflector 19 rotates and tilts to a certain angle, thereby ensuring the facial recognition compatibility of the device, thereby improving the facial recognition accuracy of the device for people who are too tall and too short, and avoiding frequent adjustment of the rotating component 2.

[0037] Embodiment 2: Figure 1-5 As shown, an adjustable face recognition terminal disclosed in Example 2 of the utility model has a structure that is basically the same as that in Example 1, except that a circuit board 8 is arranged in the shell 3, the circuit board 8 is electrically connected to the camera 10, the circuit board 8 is electrically connected to the sliding electric telescopic rod 11, and the circuit board 8 is electrically connected to the tilting electric telescopic rod 12.

[0038] Through the control effect of the circuit board 8, the optical structure can be adaptively adjusted according to the picture information after collecting different types of picture information fed back by the camera 10, thereby ensuring the accuracy of facial recognition of the device and improving the compatibility of the device with users of different heights.

[0039] 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.

[0040] The utility model 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 utility model should be included in the scope of protection of the utility model.

Claims

1. An adjustable face recognition terminal, comprising a base (1), wherein the base (1) is provided with a housing (3) connected via a rotating component (2), wherein: It comprises a connecting bracket (9), a camera (10) being arranged on the connecting bracket (9), a sliding electric telescopic rod (11) being arranged on the connecting bracket (9), a sliding bracket (13) being slidably connected to the inner wall of the housing (3) being arranged on the sliding bracket (11), and a convex lens (14) being arranged on the sliding bracket (13) for optically magnifying a portrait image; It also comprises a tilting electric telescopic rod (12), on which a rack (15) meshingly connected to a driven gear (17) is provided, on which a reflector (19) connected via a tilting rotation shaft (18) is provided, and on the housing (3) a tilting bracket (16) rotatably connected to the reflector (19) is provided, for adjusting the angle of photographing a portrait.

2. The adjustable face recognition terminal according to claim 1, characterized in that: The rotating component (2) comprises a support rod (201), a rotating shaft (202) is arranged on the support rod (201), a rotating bracket (203) is rotatably arranged on the rotating shaft (202), the rotating bracket (203) is connected to the housing (3), a rotating knob (205) is arranged on the side of the rotating shaft (202), and a rotating locking member (204) is threadedly arranged on the side of the rotating shaft (202).

3. The adjustable face recognition terminal according to claim 1, characterized in that: The housing (3) is provided with a cover plate (4), a display screen (5) is provided on the cover plate (4), a waist-shaped hole is provided on the cover plate (4), a lens (6) is covered on the waist-shaped hole, and a locking component (7) is provided on the cover plate (4).

4. The adjustable face recognition terminal according to claim 3, characterized in that: The locking component (7) comprises a rotating rod (701), a locking knob (703) being arranged on the rotating rod (701), a spring bracket being rotatably arranged on the locking knob (703), a plurality of groups of springs (702) being arranged on the spring bracket, the other end of the spring (702) being connected to the cover plate (4), a locking protrusion being arranged on the rotating rod (701), a sleeve (705) being arranged inside the housing (3), a locking stopper (704) being arranged on the sleeve (705), and the locking protrusion of the rotating rod (701) being deeply inserted into the locking stopper (704).

5. The adjustable face recognition terminal according to claim 1, characterized in that: A circuit board (8) is arranged in the housing (3); the circuit board (8) is electrically connected to the camera (10); the circuit board (8) is electrically connected to the sliding electric telescopic rod (11); and the circuit board (8) is electrically connected to the tilting electric telescopic rod (12).

6. The adjustable face recognition terminal according to claim 1, characterized in that: The housing (3) is provided with a sliding groove, the sliding bracket (13) is provided with a sliding protrusion, the sliding protrusion is slidably connected to the inner wall of the sliding groove, and sliding limit members are provided at both ends of the sliding groove.

7. The adjustable face recognition terminal according to claim 3, characterized in that: The camera (10) is colinear with the centers of the convex lens (14) and the reflector (19), and the reflector (19) is tilted toward the direction of the lens (6).

8. The adjustable face recognition terminal according to claim 4, characterized in that: The interior of the sleeve (705) is hollow, and a sealing member is provided on the cover plate (4), and the sealing member is connected to the side connection seam of the shell (3).

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