Face recognition attendance system

Abstract

The invention provides a face recognition attendance system, and relates to the technical field of face recognition attendance. The face recognition attendance system comprises a supporting mechanism, a mounting mechanism, a control mechanism and a driving mechanism, the supporting mechanism comprises a base, a supporting plate is fixedly connected to the middle of the upper surface of the base, a clamping block is fixedly connected to the middle of the outer wall of the front end of the supporting plate, and the mounting mechanism is arranged on the outer wall of the front end of the clamping block; the mounting mechanism comprises a mounting box, a mounting plate is fixedly connected to the middle of the outer wall of the rear end of the mounting box, and a first mounting cavity is formed in the lower portion of the outer wall of the front end of the mounting box. According to the face recognition attendance system provided by the invention, the control mechanism is protected through the touch control glass plate, and the worm and the rotating shaft provided with the worm gear and the adjusting gear are matched for use, so that the closing of the two sealing plates is conveniently adjusted, and dust, impurities and the like in the external environment are prevented from being in contact with various electrical equipment arranged in the second mounting cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of face recognition attendance, in particular to a face recognition attendance system. Background Art

[0002] The facial recognition attendance system is an employee attendance management method based on facial recognition attendance devices. With the help of facial recognition attendance devices, the attendance process is automated. Employees do not need to use traditional time clocks or swipe their fingerprints. They only need to stay briefly in front of the attendance device and the system will automatically complete the clock-in record, thereby optimizing the attendance system and improving the efficiency of human resource management.

[0003] However, most of the facial recognition attendance devices of the existing facial recognition attendance systems on the market are not easy to adapt to external environments with different lighting conditions, which may cause the camera of the facial recognition attendance device to be unable to capture clear facial image information in a dim environment, thereby causing the staff to be unable to complete the clocking-in operation with the help of the facial recognition attendance device. In addition, most of the facial recognition attendance devices of the existing facial recognition attendance systems on the market are completely in an exposed environment, which may cause dust and other impurities to contact the electrical equipment in the facial recognition attendance device, affecting the service life of the facial recognition attendance device. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the present invention provides a face recognition attendance system, which solves the problem that the face recognition attendance device of the existing face recognition attendance system is not easy to adapt to the external environment with different lighting conditions, which may cause staff to be unable to complete the punching operation with the help of the face recognition attendance device in a dim environment. It also solves the problem that the face recognition attendance device of the existing face recognition attendance system may be interfered with by impurities such as dust in the environment, thereby reducing the service life of the face recognition attendance device.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A face recognition attendance system, comprising a supporting mechanism, a mounting mechanism, a control mechanism and a driving mechanism, wherein the supporting mechanism comprises a base, a support plate is fixedly connected to the middle of the upper surface of the base, a card block is fixedly connected to the middle of the front outer wall of the support plate, a mounting mechanism is provided on the outer wall of the front end of the card block, the mounting mechanism comprises an installation box, a mounting plate is fixedly connected to the middle of the rear end outer wall of the installation box, a first installation cavity is opened at the lower part of the front end outer wall of the installation box, a touch glass plate is fixedly connected to the front end of the bottom surface of the first installation cavity, and a control mechanism is provided inside the first installation cavity;

[0008] A second installation cavity is defined in the upper portion of the front outer wall of the installation box, a first protective frame is fixedly connected to one side of the front end of the bottom of the second installation cavity, a second protective frame is fixedly connected to the other side of the front end of the bottom of the second installation cavity, and a third installation cavity is defined in the middle portion of the front end of the interior of the installation box;

[0009] A driving mechanism is provided at the lower portion of the inner wall at the rear end of the second installation cavity, the driving mechanism comprising a fixing plate, the outer wall at the rear end of the fixing plate being fixedly connected to the inner wall at the rear end of the second installation cavity;

[0010] Through the above technical solution, by using the photoelectric sensor, light controller module and micro central processing module in conjunction, it is convenient to change the brightness of the LED fill light according to the light conditions in the external environment, thereby providing sufficient lighting conditions for the camera in a dim environment, making it convenient for the camera to not be able to capture clear facial image information, and assisting the staff to complete the clocking in operation.

[0011] Preferably, the mounting plate is snap-connected to the card block, and the mounting plate is fixedly connected to the card block by a plurality of bolts. The control mechanism includes a touch panel, the touch screen of the touch panel is tightly fitted with the touch glass plate, and the touch panel is fixedly mounted inside the first mounting cavity. A mounting groove is provided in the middle of the rear end outer wall of the touch panel, a PCB circuit board is fixedly connected to the middle of the front end inner wall of the mounting groove, a micro central processing module is provided in the middle of the rear end outer wall of the PCB circuit board, and a cover plate is fixedly connected to the rear end of the mounting groove by a plurality of bolts.

[0012] Through the above technical solution, it is convenient for staff to install the mounting plate together with the mounting box on the outside of the card block according to the specific installation height requirements, and it is convenient for the touch glass plate to provide protection for the touch panel. It is convenient for staff to operate the touch screen of the touch panel through the touch glass plate, and the micro central processing module receives and processes the information of the wireless signal transmission module, infrared sensor, photoelectric sensor and touch panel, and then transmits the control electrical signal to the storage module, the light controller module, the first servo motor and the second servo motor.

[0013] Preferably, a light controller module is provided on one side of the rear end outer wall of the PCB circuit board, and a wireless signal transmission module and a storage module are respectively provided on the other side of the rear end outer wall of the PCB circuit board;

[0014] Through the above technical solution, data transmission with terminal devices such as mobile phones can be easily completed through the wireless signal transmission module, and the punch-in record information of the staff recorded by the camera can be easily stored through the storage module.

[0015] Preferably, a limiting groove is provided at the front end of the top surface of the second installation cavity, a first servo motor is fixedly connected to the other side of the bottom surface of the third installation cavity, a worm is fixedly connected to the output shaft of the first servo motor, a front end of the worm is rotatably connected to the inner wall of the front end of the third installation cavity, a rotating shaft is rotatably connected to the middle part of the top surface of the third installation cavity, a worm gear is fixedly connected to the upper end of the outer wall of the rotating shaft, the worm gear is meshed with the worm, and the lower end of the rotating shaft sequentially passes through the third installation cavity, the installation box to the interior of the limiting groove and is fixedly connected to an adjusting gear;

[0016] Through the above technical solution, it is convenient to drive the worm to rotate through the first servo motor, thereby rotating the rotating shaft provided with the worm wheel, and finally rotating the adjusting gear along with the rotating shaft.

[0017] Preferably, a first gear rod is slidably connected to the middle portion of the rear end inner wall of the limiting groove, a first connecting plate is fixedly connected to the lower end of the first gear rod, a second gear rod is slidably connected to the middle portion of the front end inner wall of the limiting groove, a second connecting plate is fixedly connected to the lower end of the second gear rod, and the second gear rod and the first gear rod are respectively meshed with the adjusting gear;

[0018] With the above technical solution, the gears are adjusted to allow the second gear rod and the first gear rod to slide inside the limiting grooves at the front and rear ends respectively.

[0019] Preferably, a first sealing plate is fixedly connected to the middle portion of the lower surface of the first connecting plate, and a second sealing plate is fixedly connected to the middle portion of the lower surface of the second connecting plate. The first sealing plate and the second sealing plate are engaged with each other, and the first sealing plate slides inside the first protective frame, and the second sealing plate slides inside the second protective frame.

[0020] Through the above technical solution, it is convenient to provide stable movement space for the first sealing plate and the second sealing plate through the first protective frame and the second protective frame respectively, and it is convenient to adjust the distance between the first sealing plate and the second sealing plate by moving the first gear rod and the second gear rod towards each other, and then through the coordinated use of the first sealing plate and the second sealing plate, the electrical equipment installed inside the second installation cavity is protected.

[0021] Preferably, a slide groove is provided in the middle of the bottom surface of the second installation cavity, a second servo motor is fixedly connected to the upper surface of the fixing plate, an output shaft of the second servo motor is fixedly connected to a driving gear, and a driven threaded rod is rotatably connected to the middle of the rear end inner wall of the slide groove;

[0022] Through the above technical solution, it is convenient to drive the driving gear to rotate through the second servo motor, thereby rotating the driven threaded rod provided with the driven gear.

[0023] Preferably, the rear end of the inner wall of the slide groove is fixedly connected to the limit plate, the front end of the driven threaded rod passes through the limit plate and is rotatably connected to the inner wall of the front end of the slide groove, and the rear end of the outer wall of the driven threaded rod body is fixedly connected to a driven gear, and the driven gear is meshed with the driving gear.

[0024] Through the above technical solution, the slider can be easily slid inside the slide groove by rotating the driven threaded rod, thereby adjusting the distance between the slider provided with the camera and the staff.

[0025] Preferably, the front end of the outer wall of the driven threaded rod is threadedly connected to a slider, the slider slides inside the slide groove, the upper end of the slider is fixedly connected to a first mounting block, the front end of the upper surface of the first mounting block is fixedly connected to a second mounting block, a camera is provided in the middle of the front end outer wall of the first mounting block, and LED fill lights are provided on both sides of the front end outer wall of the first mounting block;

[0026] Through the above technical solution, the movement trajectory of the slider is limited by the slide groove, and the stability of the slider movement is improved, which makes it easier to provide the camera with sufficient lighting conditions for taking pictures through the LED fill light.

[0027] Preferably, a photoelectric sensor is provided on one side of the front end outer wall of the second mounting block, and an infrared sensor is provided on the other side of the front end outer wall of the second mounting block;

[0028] Through the above technical solution, it is convenient to identify the light in the environment through the photoelectric sensor, thereby evaluating the light conditions, converting them into electrical signals and transmitting them to the micro central processing module, and then adjusting the brightness of the LED fill light through the light controller module, and identifying the infrared light emitted by the staff through the infrared sensor.

[0029] (3) Beneficial effects

[0030] The present invention provides a face recognition attendance system. It has the following beneficial effects:

[0031] 1. The present invention provides a face recognition attendance system. By using a photoelectric sensor, a light controller module and a micro central processing module in combination, the brightness of the LED fill light can be changed according to the light conditions in the external environment, thereby providing sufficient lighting conditions for the camera in a dim environment, making it convenient for the camera to capture clear facial image information and assisting staff to complete the clocking operation.

[0032] 2. The present invention provides a face recognition attendance system, which facilitates adjustment of the closure of the first sealing plate and the second sealing plate through the coordinated use of a first servo motor provided with a worm, a rotating shaft provided with a worm wheel and an adjusting gear, a first gear rod and a second gear rod, thereby preventing dust and impurities in the external environment from contacting various electrical equipment installed inside the second installation cavity, and providing protection for the control mechanism through the touch glass panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0034] Figure 2 is an axial cross-sectional view of the mounting mechanism of the present invention from a first perspective;

[0035] Figure 3 is an axial cross-sectional view of the mounting mechanism of the present invention from a second perspective;

[0036] Figure 4 It is a partial cross-sectional schematic diagram of the mounting mechanism of the present invention;

[0037] Figure 5 An exploded view of the control mechanism of the present invention;

[0038] Figure 6 An exploded view of a local structure of the present invention;

[0039] Figure 7 for Figure 2 Enlarged view of point A in the middle;

[0040] Figure 8 for Figure 3 Enlarged view of point B in the middle;

[0041] Figure 9 for Figure 4 Enlarged view of point C in the middle.

[0042] in,

[0043] 1. Support mechanism; 101. Base; 102. Support plate; 103. Block;

[0044] 2. Mounting mechanism; 201. Mounting box; 202. Mounting plate; 203. First mounting cavity; 204. Touch glass panel; 205. Second mounting cavity; 206. First protective frame; 207. Second protective frame; 208. Third mounting cavity; 209. First servo motor; 210. Worm; 211. Rotating shaft; 212. Worm gear; 213. Adjusting gear; 214. Limiting groove; 215. First gear rod; 216. First connecting plate; 217. First sealing plate; 218. Second gear rod; 219. Second connecting plate; 220. Second sealing plate;

[0045] 3. Control mechanism; 301. Touch panel; 302. Mounting slot; 303. Cover plate; 304. PCB circuit board; 305. Wireless signal transmission module; 306. Storage module; 307. Micro central processing module; 308. Light controller module;

[0046] 4. Driving mechanism; 401. Fixing plate; 402. Second servo motor; 403. Driving gear; 404. Slide; 405. Limiting plate; 406. Driven threaded rod; 407. Driven gear; 408. Slider; 409. First mounting block; 410. Camera; 411. LED fill light; 412. Second mounting block; 413. Infrared sensor; 414. Photoelectric sensor. DETAILED DESCRIPTION

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] like Figure 1-9 As shown, a face recognition attendance system includes a supporting mechanism 1, a mounting mechanism 2, a control mechanism 3 and a driving mechanism 4. The supporting mechanism 1 includes a base 101. A support plate 102 is fixedly connected to the middle of the upper surface of the base 101. A clamping block 103 is fixedly connected to the middle of the front outer wall of the support plate 102. The outer wall of the front end of the clamping block 103 is provided with a mounting mechanism 2. The mounting mechanism 2 includes an installation box 201. A mounting plate 202 is fixedly connected to the middle of the rear outer wall of the installation box 201. A first installation cavity 203 is opened at the lower part of the front outer wall of the installation box 201. A touch glass plate 204 is fixedly connected to the front end of the bottom surface of the first installation cavity 203. The control mechanism 3 is provided inside the first installation cavity 203.

[0049] A second installation cavity 205 is defined in the upper portion of the front outer wall of the installation box 201. A first protective frame 206 is fixedly connected to one side of the front end of the bottom of the second installation cavity 205, and a second protective frame 207 is fixedly connected to the other side of the front end of the bottom of the second installation cavity 205. A third installation cavity 208 is defined in the middle portion of the front end of the interior of the installation box 201.

[0050] A driving mechanism 4 is provided at the lower portion of the inner wall at the rear end of the second installation cavity 205. The driving mechanism 4 includes a fixing plate 401. The outer wall at the rear end of the fixing plate 401 is fixedly connected to the inner wall at the rear end of the second installation cavity 205.

[0051] By using the photoelectric sensor 414, the light controller module 308 and the micro central processing module 307 in coordination, the brightness of the LED fill light 411 can be conveniently changed according to the light conditions in the external environment, thereby providing sufficient lighting conditions for the camera 410 in a dim environment, making it convenient for the camera 410 to capture clear facial image information, and assisting the staff to complete the clocking-in operation.

[0052] The mounting plate 202 is snap-connected to the clamping block 103 and fixedly connected to the clamping block 103 via a plurality of bolts. The control mechanism 3 includes a touch panel 301. The touch screen of the touch panel 301 is tightly fitted with the touch glass plate 204. The touch panel 301 is fixedly mounted inside the first mounting cavity 203. A mounting slot 302 is defined in the middle of the rear end outer wall of the touch panel 301. A PCB circuit board 304 is fixedly connected to the middle of the front end inner wall of the mounting slot 302. A micro central processing module 307 is provided in the middle of the rear end outer wall of the PCB circuit board 304. A cover plate 303 is fixedly connected to the rear end of the mounting slot 302 via a plurality of bolts.

[0053] It is convenient for the staff to install the mounting plate 202 together with the mounting box 201 on the outside of the card block 103 according to the specific installation height requirements, and it is convenient for the touch glass plate 204 to provide protection for the touch panel 301. It is convenient for the staff to operate the touch screen of the touch panel 301 through the touch glass plate 204, and receive and process the information of the wireless signal transmission module 305, the infrared sensor 413, the photoelectric sensor 414 and the touch panel 301 through the micro central processing module 307, and then transmit the control electrical signal to the storage module 306, the light controller module 308, the first servo motor 209 and the second servo motor 402.

[0054] A light controller module 308 is provided on one side of the rear end outer wall of the PCB circuit board 304, and a wireless signal transmission module 305 and a storage module 306 are provided on the other side of the rear end outer wall of the PCB circuit board 304;

[0055] The wireless signal transmission module 305 facilitates data transmission with terminal devices such as mobile phones, and the storage module 306 facilitates storage of the staff's punch-in record information recorded by the camera 410.

[0056] A limiting groove 214 is defined at the front end of the top surface of the second mounting cavity 205. A first servo motor 209 is fixedly connected to the other side of the bottom surface of the third mounting cavity 208. A worm 210 is fixedly connected to the output shaft of the first servo motor 209. The front end of the worm 210 is rotatably connected to the inner wall of the front end of the third mounting cavity 208. A rotating shaft 211 is rotatably connected to the middle portion of the top surface of the third mounting cavity 208. A worm gear 212 is fixedly connected to the upper end of the outer wall of the rotating shaft 211. The worm gear 212 is meshed with the worm 210. The lower end of the rotating shaft 211 sequentially passes through the third mounting cavity 208, the mounting box 201, and the interior of the limiting groove 214, and is fixedly connected to an adjusting gear 213.

[0057] The first servo motor 209 drives the worm 210 to rotate, thereby rotating the shaft 211 provided with the worm gear 212 , and finally rotating the adjusting gear 213 along with the shaft 211 .

[0058] A first gear rod 215 is slidably connected to the middle portion of the inner wall at the rear end of the limiting groove 214. A first connecting plate 216 is fixedly connected to the lower end of the first gear rod 215. A second gear rod 218 is slidably connected to the middle portion of the inner wall at the front end of the limiting groove 214. A second connecting plate 219 is fixedly connected to the lower end of the second gear rod 218. The second gear rod 218 and the first gear rod 215 are respectively meshed with the adjustment gear 213.

[0059] The gear 213 is adjusted to allow the second gear rod 218 and the first gear rod 215 to slide inside the limiting groove 214 at the front and rear ends respectively.

[0060] A first sealing plate 217 is fixedly connected to the middle portion of the lower surface of the first connecting plate 216, and a second sealing plate 220 is fixedly connected to the middle portion of the lower surface of the second connecting plate 219. The first sealing plate 217 and the second sealing plate 220 are engaged with each other. The first sealing plate 217 slides inside the first protective frame 206, and the second sealing plate 220 slides inside the second protective frame 207.

[0061] The first protective frame 206 and the second protective frame 207 can provide stable movement space for the first sealing plate 217 and the second sealing plate 220 respectively, and the spacing between the first sealing plate 217 and the second sealing plate 220 can be adjusted by moving the first gear rod 215 and the second gear rod 218 toward each other, thereby protecting the electrical equipment installed inside the second installation cavity 205 through the coordinated use of the first sealing plate 217 and the second sealing plate 220.

[0062] A chute 404 is defined in the middle of the bottom surface of the second mounting cavity 205. A second servo motor 402 is fixedly connected to the upper surface of the fixing plate 401. A driving gear 403 is fixedly connected to the output shaft of the second servo motor 402. A driven threaded rod 406 is rotatably connected to the middle of the rear end inner wall of the chute 404.

[0063] The second servo motor 402 is convenient for driving the driving gear 403 to rotate, thereby causing the driven threaded rod 406 provided with the driven gear 407 to rotate.

[0064] The rear end of the inner wall of the slide groove 404 is fixedly connected to the limit plate 405, the front end of the driven threaded rod 406 passes through the limit plate 405 and is rotatably connected to the inner wall of the front end of the slide groove 404, and the rear end of the outer wall of the driven threaded rod 406 is fixedly connected to the driven gear 407, which is meshed with the driving gear 403.

[0065] The slider 408 can be conveniently slid inside the slide groove 404 by rotating the driven threaded rod 406, thereby adjusting the distance between the slider 408 provided with the camera 410 and the staff.

[0066] The front end of the outer wall of the driven threaded rod 406 is threadedly connected to a slider 408, which slides inside the slide groove 404. The upper end of the slider 408 is fixedly connected to a first mounting block 409, and the front end of the upper surface of the first mounting block 409 is fixedly connected to a second mounting block 412. A camera 410 is provided in the middle of the front outer wall of the first mounting block 409, and LED fill lights 411 are provided on both sides of the front outer wall of the first mounting block 409.

[0067] The sliding groove 404 limits the movement trajectory of the slider 408 and improves the stability of the movement of the slider 408, so that the LED fill light 411 can provide sufficient light conditions for the camera 410 to take pictures.

[0068] A photoelectric sensor 414 is provided on one side of the front end outer wall of the second mounting block 412, and an infrared sensor 413 is provided on the other side of the front end outer wall of the second mounting block 412;

[0069] It is convenient to identify the light in the environment through the photoelectric sensor 414, so as to evaluate the light conditions, convert them into electrical signals and transmit them to the micro central processing module 307, and then adjust the brightness of the LED fill light 411 through the light controller module 308, and identify the infrared light emitted by the staff through the infrared sensor 413.

[0070] Working principle: First, the touch screen of the touch panel 301 is operated through the touch glass plate 204, so that the electrical signal is transmitted to the first servo motor 209 through the micro central processing module 307, so that the worm 210 rotates, and then the worm gear 212 is driven to rotate by the worm 210, and the rotating shaft 211 provided with the adjusting gear 213 is driven to rotate by the worm gear 212, so that the first gear rod 215 and the second gear rod 218 move toward each other, and the distance between the first sealing plate 217 and the second sealing plate 220 is adjusted, so that the camera 210 is exposed. Secondly, the infrared sensor 413 recognizes the infrared light emitted by the staff, thereby transmitting the electrical signal to the micro central processing module 307, and then the infrared light threshold preset by the micro central processing module 307 is used. , thereby transmitting the electrical signal to the second servo motor 402 through the micro central processing module 307, and then driving the driving gear 403 through the second servo motor 402, and then driving the driven threaded rod 406 provided with the driven gear 407 to rotate through the driving gear 403, and then adjusting the position of the slider 408, so that the camera 410 is close to the face of the staff member. Finally, the light in the environment is identified by the photoelectric sensor 414, thereby evaluating the light conditions, and then converting it into an electrical signal and transmitting it to the micro central processing module 307. Through the light threshold pre-set by the micro central processing module 307 and cooperating with the light controller module 308 to adjust the LED fill light 411, good shooting lighting conditions are provided for the camera 410, assisting the staff member to complete the clocking in operation.

[0071] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A face recognition attendance system, comprising a support mechanism (1), a mounting mechanism (2), a control mechanism (3) and a drive mechanism (4), characterized in that: The support mechanism (1) comprises a base (101), a support plate (102) is fixedly connected to the middle of the upper surface of the base (101), a clamping block (103) is fixedly connected to the middle of the front outer wall of the support plate (102), a mounting mechanism (2) is provided on the front outer wall of the clamping block (103), the mounting mechanism (2) comprises a mounting box (201), a mounting plate (202) is fixedly connected to the middle of the rear outer wall of the mounting box (201), a first mounting cavity (203) is provided at the lower part of the front outer wall of the mounting box (201), a touch glass plate (204) is fixedly connected to the front end of the bottom surface of the first mounting cavity (203), and a control mechanism (3) is provided inside the first mounting cavity (203); A second installation cavity (205) is provided at the upper portion of the front outer wall of the installation box (201); a first protective frame (206) is fixedly connected to one side of the front end of the bottom of the second installation cavity (205); a second protective frame (207) is fixedly connected to the other side of the front end of the bottom of the second installation cavity (205); and a third installation cavity (208) is provided at the middle portion of the front end of the interior of the installation box (201); A driving mechanism (4) is provided at the lower portion of the inner wall at the rear end of the second installation cavity (205), and the driving mechanism (4) comprises a fixing plate (401), wherein the outer wall at the rear end of the fixing plate (401) is fixedly connected to the inner wall at the rear end of the second installation cavity (205).

2. A face recognition attendance system according to claim 1, characterized in that: The mounting plate (202) is connected to the clamping block (103) by snapping, and the mounting plate (202) is fixedly connected to the clamping block (103) by a plurality of bolts. The control mechanism (3) comprises a touch panel (301), and the touch screen of the touch panel (301) is tightly fitted with the touch glass plate (204). The touch panel (301) is fixedly mounted inside the first mounting cavity (203). A mounting groove (302) is provided in the middle of the rear end outer wall of the touch panel (301), and a PCB circuit board (304) is fixedly connected to the middle of the front end inner wall of the mounting groove (302). A micro central processing module (307) is provided in the middle of the rear end outer wall of the PCB circuit board (304), and a cover plate (303) is fixedly connected to the rear end of the mounting groove (302) by a plurality of bolts.

3. A face recognition attendance system according to claim 2, characterized in that: A light controller module (308) is provided on one side of the rear end outer wall of the PCB circuit board (304), and a wireless signal transmission module (305) and a storage module (306) are respectively provided on the other side of the rear end outer wall of the PCB circuit board (304).

4. A face recognition attendance system according to claim 1, characterized in that: A limiting groove (214) is provided at the front end of the inner top surface of the second installation cavity (205); a first servo motor (209) is fixedly connected to the other side of the inner bottom surface of the third installation cavity (208); an output shaft of the first servo motor (209) is fixedly connected to a worm (210); a front end of the worm (210) is rotatably connected to the inner wall of the front end of the third installation cavity (208); a rotating shaft (211) is rotatably connected to the middle part of the inner top surface of the third installation cavity (208); a worm wheel (212) is fixedly connected to the upper end of the outer wall of the shaft of the rotating shaft (211); the worm wheel (212) is meshed with the worm (210); and the lower end of the rotating shaft (211) passes through the third installation cavity (208), the installation box (201) and the inner part of the limiting groove (214) in sequence and is fixedly connected to an adjusting gear (213).

5. A face recognition attendance system according to claim 4, characterized in that: A first gear rod (215) is slidably connected to the middle portion of the rear end inner wall of the limiting groove (214), and a first connecting plate (216) is fixedly connected to the lower end of the first gear rod (215). A second gear rod (218) is slidably connected to the middle portion of the front end inner wall of the limiting groove (214), and a second connecting plate (219) is fixedly connected to the lower end of the second gear rod (218). The second gear rod (218) and the first gear rod (215) are respectively meshed with the adjusting gear (213).

6. A face recognition attendance system according to claim 5, characterized in that: A first sealing plate (217) is fixedly connected to the middle of the lower surface of the first connecting plate (216), and a second sealing plate (220) is fixedly connected to the middle of the lower surface of the second connecting plate (219). The first sealing plate (217) and the second sealing plate (220) are snap-fitted together. The first sealing plate (217) slides inside the first protective frame (206), and the second sealing plate (220) slides inside the second protective frame (207).

7. A face recognition attendance system according to claim 1, characterized in that: A slide groove (404) is provided in the middle of the inner bottom surface of the second installation cavity (205), a second servo motor (402) is fixedly connected to the upper surface of the fixed plate (401), an output shaft of the second servo motor (402) is fixedly connected to a driving gear (403), and a driven threaded rod (406) is rotatably connected to the middle of the rear end inner wall of the slide groove (404).

8. A face recognition attendance system according to claim 7, characterized in that: The rear end of the inner wall of the slide groove (404) is fixedly connected to the limit plate (405), the front end of the driven threaded rod (406) passes through the limit plate (405) and is rotatably connected to the inner wall of the front end of the slide groove (404), and the rear end of the outer wall of the driven threaded rod (406) is fixedly connected to a driven gear (407), and the driven gear (407) is meshed with the driving gear (403).

9. A face recognition attendance system according to claim 8, characterized in that: The front end of the outer wall of the driven threaded rod (406) is threadedly connected to a slider (408), the slider (408) slides inside the slide groove (404), the upper end of the slider (408) is fixedly connected to a first mounting block (409), the front end of the upper surface of the first mounting block (409) is fixedly connected to a second mounting block (412), a camera (410) is provided in the middle of the front end outer wall of the first mounting block (409), and LED fill lights (411) are provided on both sides of the front end outer wall of the first mounting block (409).

10. A face recognition attendance system according to claim 9, characterized in that: A photoelectric sensor (414) is provided on one side of the front end outer wall of the second mounting block (412), and an infrared sensor (413) is provided on the other side of the front end outer wall of the second mounting block (412).

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