Height-adjustable face verification and recognition device

By designing a height-adjustable support structure in the face recognition instrument, including a lifting sleeve and an adjustment screw, the problem of face acquisition failure is solved, and the success rate of face image acquisition of different heights and angles is improved.

CN222864602UActive Publication Date: 2025-05-13SHANGHAI YAOZHI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421675785.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-05-13
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

When collecting faces, the existing face recognition device easily fails to collect portraits due to the difference in person's height and standing position, which reduces the practicality of the access control device.

Method used

A height-adjustable face verification and recognition device is designed. By setting up a support column, a lifting sleeve, an adjustment screw and a driving motor, the lifting and left-right rotation of the recognition device is realized, adapting to face image acquisition of different heights and angles.

Benefits of technology

Through the design of lifting and lowering and left and right rotation, the success rate of face image acquisition is improved, adapting to the needs of different groups of people, and improving the practicality of the access control device.

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Abstract

The utility model belongs to the technical field of face verification equipment, and particularly discloses a height-adjustable face verification recognition device which comprises a fixed base, a rectangular supporting column is fixedly arranged at the center of the transverse position of the upper end of the fixed base, and a lifting sleeve is slidably connected into the supporting column in a sleeved mode. An adjusting screw rod is installed in the lifting sleeve, an annular fixing block is arranged at the position, close to the lower end, of the inner wall of the supporting column, a driven bevel gear is arranged at the bottom end of the adjusting screw rod below the fixing block, a transmission bevel gear is vertically arranged at one end of the driven bevel gear, and a rotating shaft is installed in the center of the transmission bevel gear; a mounting seat is arranged at the top end of the supporting column, a fixed rotating shaft is arranged in the center of the interior of the mounting seat, the fixed rotating shaft is sleeved with an annular rotating block, a connecting supporting rod is arranged at the right front end of the rotating block, a U-shaped rotating seat is fixedly arranged at the front end of the connecting supporting rod, and a rotating rod is transversely mounted on the rotating seat; and an identifier body is movably mounted on the rotating rod.
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Description

Technical Field

[0001] The utility model relates to the technical field of face verification equipment, in particular to a face verification and recognition device with adjustable height. Background Art

[0002] In recent years, with the continuous improvement of face recognition technology, its application areas have continued to expand, and many products based on face recognition technology have appeared on the market, such as face attendance machines, face locks, credit card recognition, identity login systems, security monitoring systems, criminal identification, etc.

[0003] In face recognition technology, the similarity between two images is generally compared to determine whether the person in the image is the same. In order to complete the comparison, the person to be identified needs to provide one or more images for comparison before identification. This process is called registration; and the process of using another image to compare with the registered face image is called recognition.

[0004] Our company has designed a natural face verification method for a military computer system and applied it to a recognition device. However, when the existing recognition device is performing face collection, it is easy to cause the failure of portrait collection because the heights of the people performing face recognition are different and their standing positions are also different, which reduces the practicality of the access control device. Utility Model Content

[0005] The purpose of the utility model is to provide a face verification and recognition device with adjustable height to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a height-adjustable face verification and recognition device, including a fixed base, the overall shape of the fixed base is "冂"-shaped, a rectangular support column is fixedly arranged at the center of the upper horizontal part of the fixed base, the inside of the support column is a cylindrical hollow structure, a lifting sleeve is slidably sleeved inside the support column, an adjusting screw is installed inside the lifting sleeve, a threaded groove is arranged on the inner side wall of the lifting sleeve, a threaded protrusion is arranged on the outer peripheral wall of the adjusting screw, and the threaded groove and the threaded protrusion are rotationally connected correspondingly. A circular fixing block is arranged at the lower end of the inner wall of the support column, the adjusting screw passes through the center of the fixing block, and a driven bevel gear is arranged at the bottom end of the adjusting screw below the fixing block. A driving bevel gear is vertically arranged at one end of the driven bevel gear, a rotating shaft is installed at the center of the driving bevel gear, and the rotating shaft penetrates through the side wall of the support column and extends outside the support column to be connected with a driving motor; an installation seat is arranged at the top of the support column, a fixed rotating shaft is arranged at the center of the installation seat, a circular rotating block is sleeved on the fixed rotating shaft, a connecting support rod is arranged at the front end of the rotating block, a "凵"-shaped rotating seat is fixedly arranged at the front end of the connecting support rod, a rotating rod is horizontally installed on the rotating seat, and an identification instrument body is movably installed on the rotating rod.

[0007] Preferably, protective pads are arranged at the four vertices of the bottom of the fixed base, and the protective pads are made of rubber sponge material.

[0008] Preferably, the driving bevel gear and the driven bevel gear are meshed and installed with each other, and both the driving bevel gear and the driven bevel gear are arranged inside the support column.

[0009] Preferably, the driving motor is installed at the center of the horizontal section of the fixed base, and a protective cover is arranged outside the driving motor.

[0010] Preferably, the rotating rod is provided with an adjusting knob to rotate the angle of the identification instrument body.

[0011] Preferably, the identification instrument body includes a high-definition camera and a display screen.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is provided with a support column and a lifting sleeve. The driving motor drives the driving bevel gear and the driven bevel gear to rotate synchronously, so as to drive the adjusting screw to rotate to change the height of the lifting sleeve, realize the lifting function, and meet the face image collection of people with different heights. It is also provided with a rotating block and a fixed rotating shaft, and the identification instrument body can also rotate left and right to realize the image collection and recognition of the face at different angles, improving the success rate of collection. The utility model is an important supplement to a natural face verification method of a military computer system invented by the company, further improving the performance of the product and the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0015] Figure 3 This is a cross-sectional view of the utility model;

[0016] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure of part A in the middle.

[0017] In the figure: 1. fixed base; 101. protective pad; 2. support column; 3. lifting sleeve; 301. threaded groove; 4. adjusting screw; 401. threaded protrusion; 5. fixed block; 6. driven bevel gear; 7. transmission bevel gear; 8. rotating shaft; 9. driving motor; 10. protective cover; 11. mounting seat; 1101. fixed rotating shaft; 12. rotating block; 13. connecting support rod; 14. rotating seat; 15. rotating rod; 16. identification instrument body; 1601. high-definition camera; 1602. display screen. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 , the present utility model provides a technical solution: a height-adjustable face verification and recognition device, including a fixed base 1. The fixed base 1 is integrally in an inverted U shape. At the center of the upper horizontal part of the fixed base 1, a rectangular support column 2 is fixedly arranged. The inside of the support column 2 is a cylindrical hollow structure. A lifting sleeve 3 is slidably sleeved inside the support column 2. An adjusting screw 4 is installed inside the lifting sleeve 3. A threaded groove 301 is arranged on the inner side wall of the lifting sleeve 3. A threaded protrusion 401 is arranged on the outer peripheral wall of the adjusting screw 4. The threaded groove 301 and the threaded protrusion 401 are correspondingly screwed together. A ring-shaped fixing block 5 is arranged at the lower end of the inner wall of the support column 2. The adjusting screw 4 passes through the center of the fixing block 5. At the bottom end of the adjusting screw 4 below the fixing block 5, a driven bevel gear 6 is arranged. A driving bevel gear 7 is vertically arranged at one end of the driven bevel gear 6. A rotating shaft 8 is installed at the center of the driving bevel gear 7. The rotating shaft 8 penetrates through the side wall of the support column 2 and extends outside the support column 2 to connect a driving motor 9; at the top of the support column 2, an installation seat 11 is arranged. A fixed rotating shaft 1101 is arranged at the center of the installation seat 11. A ring-shaped rotating block 12 is sleeved on the fixed rotating shaft 1101. A connecting support rod 13 is arranged at the front end of the rotating block 12. A U-shaped rotating seat 14 is fixedly arranged at the front end of the connecting support rod 13. A rotating rod 15 is horizontally installed on the rotating seat 14. An identification instrument body 16 is movably installed on the rotating rod 15.

[0022] Furthermore, protective pads 101 are arranged at the four vertices of the bottom of the fixed base 1. The protective pads 101 are made of rubber sponge material.

[0023] Furthermore, the driving bevel gear 7 and the driven bevel gear 6 are meshed and installed with each other. Both the driving bevel gear 7 and the driven bevel gear 6 are arranged inside the support column 2.

[0024] Furthermore, the driving motor 9 is installed at the center of the horizontal section of the fixed base 1. A protective cover 10 is arranged outside the driving motor 9. The driving motor 9 is arranged at the center to improve the overall stability of the device.

[0025] Furthermore, an adjusting knob is arranged on the rotating rod 15 to rotate the angle of the identification instrument body 16.

[0026] Furthermore, the identification instrument body 16 includes a high-definition camera 1601 and a display screen 1602.

[0027] Working principle: The utility model provides a height-adjustable face verification and recognition device, including a fixed base 1. The fixed base 1 is integrally in an "n" shape. At the center of the upper horizontal part of the fixed base 1, a rectangular support column 2 is fixedly arranged. The inside of the support column 2 is a cylindrical hollow structure. A lifting sleeve 3 is slidably sleeved inside the support column 2. An adjusting screw 4 is installed inside the lifting sleeve 3. A threaded groove 301 is arranged on the inner side wall of the lifting sleeve 3. A threaded protrusion 401 is arranged on the outer peripheral wall of the adjusting screw 4. The threaded groove 301 and the threaded protrusion 401 are rotatably connected correspondingly. A ring-shaped fixing block 5 is arranged at the lower end of the inner wall of the support column 2. The adjusting screw 4 passes through the center of the fixing block 5. A driven bevel gear 6 is arranged at the bottom end of the adjusting screw 4 below the fixing block 5. A driving bevel gear 7 is vertically arranged at one end of the driven bevel gear 6. A rotating shaft 8 is installed at the center of the driving bevel gear 7. The rotating shaft 8 penetrates through the side wall of the support column 2 and extends outside the support column 2 to be connected to a driving motor 9. An installation seat 11 is arranged at the top end of the support column 2. A fixed rotating shaft 1101 is arranged at the center of the installation seat 11. An annular rotating block 12 is sleeved on the fixed rotating shaft 1101. A connecting support rod 13 is arranged at the front end of the rotating block 12. A "U"-shaped rotating seat 14 is fixedly arranged at the front end of the connecting support rod 13. A rotating rod 15 is horizontally installed on the rotating seat 14. An identification instrument body 16 is movably installed on the rotating rod 15. During specific use, through the arranged support column 2 and lifting sleeve 3, the driving motor 9 drives the driving bevel gear 7 and the driven bevel gear 6 to rotate synchronously, thereby driving the adjusting screw 4 to rotate to change the height of the lifting sleeve 3, realizing the lifting function, meeting the face image collection of people with different heights. There are also arranged the rotating block 12 and the fixed rotating shaft 1101. The identification instrument body 16 can also rotate left and right. The high-definition camera 1601 on the identification instrument body 16 can realize the image collection of the face at different angles, improving the collection success rate.

[0028] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable face verification and recognition device, characterized in that: It includes a fixed base (1). The fixed base (1) is overall in an "n" shape. At the center of the upper horizontal part of the fixed base (1), a rectangular support column (2) is fixedly arranged. The inside of the support column (2) is a cylindrical hollow structure. An elevating sleeve (3) is slidably sleeved inside the support column (2). An adjusting screw rod (4) is installed inside the elevating sleeve (3). Threaded grooves (301) are provided on the inner side wall of the elevating sleeve (3). Threaded protrusions (401) are provided on the outer peripheral wall of the adjusting screw rod (4). The threaded grooves (301) and the threaded protrusions (401) are correspondingly screwed together. A ring-shaped fixing block (5) is arranged at the lower part of the inner wall of the support column (2). The adjusting screw rod (4) passes through the center of the fixing block (5). At the bottom end of the adjusting screw rod (4) below the fixing block (5), a driven bevel gear (6) is provided. A driving bevel gear (7) is vertically arranged at one end of the driven bevel gear (6). A rotating shaft (8) is installed at the center of the driving bevel gear (7). The rotating shaft (8) penetrates through the side wall of the support column (2) and extends outside the support column (2) to be connected to a driving motor (9); at the top of the support column (2), a mounting seat (11) is provided. A fixed rotating shaft (1101) is arranged at the center inside the mounting seat (11). A ring-shaped rotating block (12) is sleeved on the fixed rotating shaft (1101). A connecting support rod (13) is arranged at the front end of the rotating block (12). A "U"-shaped rotating seat (14) is fixedly arranged at the front end of the connecting support rod (13). A rotating rod (15) is horizontally installed on the rotating seat (14). An identification instrument body (16) is movably installed on the rotating rod (15).

2. The height-adjustable face verification and recognition device according to claim 1, characterized in that: At the four vertexes of the bottom of the fixed base (1), protective pads (101) are provided. The protective pads (101) are made of rubber sponge material.

3. The height-adjustable face verification and recognition device according to claim 1, characterized in that: The driving bevel gear (7) and the driven bevel gear (6) are meshed and installed with each other. The driving bevel gear (7) and the driven bevel gear (6) are both arranged inside the support column (2).

4. The height-adjustable face verification and recognition device according to claim 1, characterized in that: The driving motor (9) is installed at the center of the horizontal section of the fixed base (1). A protective cover (10) is arranged outside the driving motor (9).

5. The height-adjustable face verification and recognition device according to claim 1, characterized in that: The rotating rod (15) is provided with an adjusting knob to rotate the angle of the identification instrument body (16).

6. The height-adjustable face verification and recognition device according to claim 1, characterized in that: The identification instrument body (16) includes a high-definition camera (1601) and a display screen (1602).