Protective face recognition access control machine

Abstract

The utility model discloses a protective face recognition access control machine, and relates to the technical field of face recognition access control machines. Comprising a protective cover and an access control machine body, a window is formed in the front side of the protective cover, shaft holes are formed in the inner walls of the left side and the right side of the protective cover, hollow rotating shafts are arranged on the left side and the right side of the access control machine body and installed in the shaft holes through bearings, an arc-shaped rack is arranged on the outer side of the access control machine body, and a stepping motor is installed at the inner bottom of the protective cover. According to the protection type face recognition access control machine, when the human body infrared sensor detects a person, a signal is fed back to the face recognition mainboard, an instruction is sent out, the stepping motor is controlled to drive the access control machine body to turn over by 180 degrees, a screen of the access control machine faces outwards to conduct face recognition and access control, and after the access control machine stays for a period of time, the face recognition mainboard is turned over. The stepping motor automatically drives the access control machine body to reversely overturn, so that the screen of the access control machine faces inwards and is positioned in the protective cover, and certain dustproof and rainproof effects can be achieved while the screen is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of face recognition access control machines, in particular to a protective face recognition access control machine. Background Art

[0002] With the development of economy and the improvement of people's living standards, my country's science and technology is developing faster and faster. The technology of face recognition has been very mature, and face recognition technology has also been applied to various technologies. Access control machine is an important component of access control system. Generally, it uses password, face and fingerprint recognition to stably identify people's entry and exit, and prevent outsiders from entering and exiting at will. It is widely used in access control of residential areas, schools, office buildings and other areas. The access control system has long surpassed simple doorway and key management. It has gradually developed into a complete access management system, so a special face recognition access control machine will be used.

[0003] The face recognition modules used in most existing access control machines are mostly touch-screen controlled flat-panel structures with low surface strength and the screen directly exposed to the outside, which can be easily broken by accidental collisions with external foreign objects, causing the face recognition access control machine to be unable to be used normally. Utility Model Content

[0004] The utility model provides a protective face recognition access control machine to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective face recognition access control machine, comprising a protective cover and an access control machine body, a window is provided on the front side of the protective cover, shaft holes are provided on the left and right inner walls of the protective cover, hollow rotating shafts are provided on the left and right sides of the access control machine body, and the rotating shafts are installed in the shaft holes through bearings, an arc-shaped rack is provided on the outside of the access control machine body, a stepper motor is installed on the inner bottom of the protective cover, and the output shaft end of the stepper motor is meshed and connected with the arc-shaped rack through a gear, and a human infrared sensor is embedded on the front side of the protective cover;

[0006] The access control machine body includes a casing, a face recognition mainboard, a binocular recognition camera module, a fill light module, a display screen, a voice playback module and a card reader. The face recognition mainboard is fixed in the casing, the binocular recognition camera module and the fill light module are both embedded in the upper front part of the casing, and the fill light module is located on both sides of the binocular recognition camera module, the display screen is embedded in the middle of the front side of the casing, the voice playback module is installed in the inner lower part of the casing, and the card reader is embedded in the lower part of the casing, and the binocular recognition camera module, the fill light module, the display screen, the voice playback module and the card reader are all electrically connected to the face recognition mainboard.

[0007] Furthermore, a mounting back plate is provided on the rear side of the protective cover, and fixing holes are provided on the mounting back plate.

[0008] Furthermore, the access control machine body is semicircular in shape, and its front side is flush with the window.

[0009] Furthermore, a conductive slip ring is embedded in the hollow rotating shaft on one side of the access control machine body, and an external power source is connected through the conductive slip ring.

[0010] Furthermore, the stepper motor and the human infrared sensor are electrically connected to the face recognition mainboard via conductive slip rings respectively.

[0011] Furthermore, a sound hole is provided at the lower front portion of the housing, and the sound hole corresponds to the position of the voice playback module.

[0012] Compared with the prior art, the utility model provides a protective face recognition access control machine, which has the following beneficial effects:

[0013] When the human infrared sensor of the protective face recognition access control machine detects a person, it feeds back a signal to the face recognition main board and issues a command to control the stepper motor to drive the access control machine body to flip 180 degrees, so that the screen of the access control machine faces outward for face recognition and access control. After staying for a period of time, the stepper motor automatically drives the access control machine body to flip in the opposite direction, so that the screen of the access control machine faces inward and is located in the protective cover, thereby protecting the screen while also having a certain dust and rainproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a front sectional view of the utility model;

[0016] Figure 3 It is a side sectional view of the utility model;

[0017] Figure 4 It is a side sectional view of the access control machine body of the utility model.

[0018] In the figure: 1. Protective cover; 11. Window; 12. Shaft hole; 13. Stepper motor; 14. Human infrared sensor; 15. Mounting back plate; 16. Fixing hole; 2. Access control machine body; 21. Hollow shaft; 22. Arc rack; 23. Casing; 24. Face recognition main board; 25. Binocular recognition camera module; 26. Fill light module; 27. Display screen; 28. Voice playback module; 29. ​​Card reader; 210. Conductive slip ring; 211. Sound hole. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 4 The utility model discloses a protective face recognition access control machine, comprising a protective cover 1 and an access control machine body 2, wherein a window 11 is arranged on the front side of the protective cover 1, shaft holes 12 are arranged on the inner walls on the left and right sides of the protective cover 1, hollow rotating shafts 21 are arranged on the left and right sides of the access control machine body 2, and the rotating shafts are installed in the shaft holes 12 through bearings, an arc-shaped rack 22 is arranged on the outer side of the access control machine body 2, a stepper motor 13 is installed on the inner bottom of the protective cover 1, and the output shaft end of the stepper motor 13 is meshed and connected with the arc-shaped rack 22 through a gear A human infrared sensor 14 is embedded on the front side of the protective cover 1. When the human infrared sensor 14 detects a person, a feedback signal is sent to the face recognition main board 24 and a command is issued to control the stepper motor 13 to drive the access control machine body 2 to flip 180 degrees, so that the screen of the access control machine faces outward for face recognition and access control. After staying for a period of time, the stepper motor 13 automatically drives the access control machine body 2 to flip in the opposite direction, so that the screen of the access control machine faces inward and is located in the protective cover 1, thereby protecting the screen and having a certain dust and rainproof effect;

[0021] The access control machine body 2 includes a casing 23, a face recognition mainboard 24, a binocular recognition camera module 25, a fill light module 26, a display screen 27, a voice playback module 28 and a card reader 29. The face recognition mainboard 24 is fixed in the casing 23. The binocular recognition camera module 25 and the fill light module 26 are both embedded in the upper front part of the casing 23, and the fill light module 26 is located on both sides of the binocular recognition camera module 25. The display screen 27 is embedded in the middle of the front side of the casing 23. The voice playback module 28 is installed in the inner lower part of the casing 23. The card reader 29 is embedded in the lower part of the casing 23. The binocular recognition camera module 25, the fill light module 26, the display screen 27, the voice playback module 28 and the card reader 29 are all electrically connected to the face recognition mainboard 24.

[0022] Specifically, a mounting back plate 15 is disposed on the rear side of the protective cover 1 , and a fixing hole 16 is opened on the mounting back plate 15 .

[0023] In this embodiment, the face recognition access control machine is fixed to an outdoor wall or other object by using the fixing holes 16 on the mounting back plate 15 and screws.

[0024] Specifically, the access control machine body 2 is semicircular in shape, and its front side is flush with the window 11 .

[0025] In this embodiment, face recognition and access control are performed with the screen of the access control machine facing outward, and the screen surface is flush with the window 11, which will be more unified in appearance.

[0026] Specifically, a conductive slip ring 210 is embedded in the hollow rotating shaft 21 on one side of the access control machine body 2, and an external power source is connected through the conductive slip ring 210.

[0027] In this embodiment, the conductive slip ring 210 is an electrical connection device used to transmit electrical energy signals between rotating parts and stationary parts. It can realize contactless transmission of power and signals, ensure that the equipment is not restricted by cable constraints during rotation, and make the machine run more smoothly and efficiently.

[0028] Specifically, the stepper motor 13 and the human infrared sensor 14 are electrically connected to the face recognition mainboard 24 via conductive slip rings 210 , respectively.

[0029] In this implementation scheme, when the human infrared sensor 14 detects a person, a feedback signal is given to the face recognition mainboard 24 and an instruction is issued to control the stepper motor 13 to drive the access control machine body 2 to flip 180°, so that the screen of the access control machine faces outward for face recognition and access control. The model of the face recognition mainboard 24 is YNH-350, which uses the HiSilicon Hi3516DV300 processor, equipped with the Li nux 4.9 / 7.1 system, and the CPU core uses a dual-core ARM Cortex-A7@900MHz, with outstanding performance and high cost performance. The video codec supports H.264BP / MP / HP and H.265Mai n Profile. For the application scenarios of face recognition function, it supports NN IE engine acceleration, supports dual ISP wide dynamic processing, can realize smooth operation of various face recognition applications, supports various communication interface expansions such as Wiegand 26 and 34 modes of adaptive transmission, 232 serial port, multi-channel display output, rich interfaces, support for multiple peripheral expansions, built-in WIFI-2.4G module, wired and 4G, and the board comes with a hardware watchdog.

[0030] Specifically, a sound hole 211 is provided at the front lower portion of the housing 23 , and the sound hole 211 corresponds to the position of the voice playing module 28 .

[0031] In this embodiment, during the face recognition process, the recognition result or the result of whether to release is broadcasted through the voice playback module 28, and the sound hole 211 is conducive to the voice playback module 28 to clearly propagate the sound when broadcasting.

[0032] During use, when the human infrared sensor 14 detects a person, a feedback signal is given to the face recognition main board 24 and an instruction is issued to control the stepper motor 13 to drive the access control machine body 2 to flip 180°, so that the screen of the access control machine faces outward for face recognition and entry and exit control. After staying for a period of time, the stepper motor 13 automatically drives the access control machine body 2 to flip in the opposite direction, so that the screen of the access control machine faces inward and is located in the protective cover 1, thereby protecting the screen while also having a certain dust and rainproof effect.

[0033] To sum up, when the human infrared sensor 14 detects a person, the protective face recognition access control machine will feedback a signal to the face recognition main board 24 and issue a command to control the stepper motor 13 to drive the access control machine body 2 to flip 180°, so that the screen of the access control machine faces outward for face recognition and access control. After staying for a period of time, the stepper motor 13 automatically drives the access control machine body 2 to flip in the opposite direction, so that the screen of the access control machine faces inward and is located in the protective cover 1, thereby protecting the screen while also having a certain dust and rainproof effect.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective face recognition access control machine, comprising a protective cover (1) and an access control machine body (2), characterized in that: The front side of the protective cover (1) is provided with a window (11), the inner walls on the left and right sides of the protective cover (1) are provided with shaft holes (12), the left and right sides of the access control machine body (2) are provided with hollow rotating shafts (21), and the rotating shafts are installed in the shaft holes (12) through bearings, the outer side of the access control machine body (2) is provided with an arc-shaped rack (22), the inner bottom of the protective cover (1) is installed with a stepping motor (13), and the output shaft end of the stepping motor (13) is meshed and connected with the arc-shaped rack (22) through a gear, and the front side of the protective cover (1) is embedded with a human infrared sensor (14); The access control machine body (2) comprises a housing (23), a face recognition mainboard (24), a binocular recognition camera module (25), a fill light module (26), a display screen (27), a voice playback module (28) and a card reader (29), wherein the face recognition mainboard (24) is fixed in the housing (23), the binocular recognition camera module (25) and the fill light module (26) are both embedded in the upper front part of the housing (23), and the fill light module (26) is located at The display screen (27) is embedded in the middle of the front side of the housing (23), the voice playback module (28) is installed in the lower inner part of the housing (23), and the card reader (29) is embedded in the lower part of the housing (23). The binocular recognition camera module (25), the fill light module (26), the display screen (27), the voice playback module (28) and the card reader (29) are all electrically connected to the face recognition mainboard (24).

2. The protective face recognition access control system according to claim 1, characterized in that: A mounting back plate (15) is provided on the rear side of the protective cover (1), and a fixing hole (16) is provided on the mounting back plate (15).

3. The protective face recognition access control system according to claim 1, characterized in that: The access control machine body (2) is semicircular in shape, and its front side is flush with the window (11).

4. The protective face recognition access control system according to claim 1, characterized in that: A conductive slip ring (210) is embedded in the hollow rotating shaft (21) on one side of the access control machine body (2), and an external power source is connected through the conductive slip ring (210).

5. The protective face recognition access control system according to claim 4, characterized in that: The stepping motor (13) and the human infrared sensor (14) are electrically connected to the face recognition mainboard (24) via conductive slip rings (210) respectively.

6. The protective face recognition access control system according to claim 1, characterized in that: A sound hole (211) is provided at the lower front portion of the housing (23), and the sound hole (211) corresponds to the position of the voice playing module (28).

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