Personnel safety management and control system integrating Internet of Things positioning and face recognition technologies

Abstract

The invention relates to the technical field of safety production management, in particular to a personnel safety management and control system integrating Internet of Things positioning and face recognition technologies, which comprises a wireless positioning unit, a face recognition unit, a video analysis unit and an intelligent management and control platform, and is characterized in that the wireless positioning unit is used for positioning personnel positions in real time and is arranged at key positions; the face recognition unit is used for carrying out identity recognition on the personnel through a face recognition algorithm; the video analysis unit is used for tracking the positions of people and vehicles in real time through a video analysis technology; the intelligent management and control platform integrates the Internet of Things, the mobile Internet, cloud service, visual recognition and artificial intelligence technologies and is used for providing personnel positioning, identity recognition, access control, risk early warning and data analysis functions; according to the system, through combination of wireless positioning, face recognition, video analysis and artificial intelligence technologies, accurate positioning, identity recognition and real-time risk early warning are realized, and the working efficiency and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of safety production management, and particularly relates to a personnel safety control system integrating Internet of Things positioning and face recognition technologies. Background Art

[0002] In a complex indoor production environment (such as a thermal power plant), personnel positioning management faces many challenges:

[0003] 1. The production area has a complex structure, with multiple floors and hollow areas, and traditional wireless positioning technologies are difficult to achieve precise positioning;

[0004] 2. Cost constraints prevent the large-scale deployment of high-precision positioning devices;

[0005] 3. There is a lack of intelligent means for personnel identity recognition and access control, making it difficult to monitor and warn of potential risks in real time.

[0006] In the prior art, a single wireless positioning or face recognition technology cannot meet the requirements of precise positioning and safety control in complex environments. Therefore, there is an urgent need for an intelligent personnel safety control system integrating multiple technologies. Summary of the Invention

[0007] To solve the above technical problems, the present invention provides a personnel safety control system integrating Internet of Things positioning and face recognition technologies, which realizes precise positioning, identity recognition, and real-time safety control of personnel in a complex indoor environment through the combination of Internet of Things positioning, face recognition, video analysis, and artificial intelligence technologies.

[0008] A personnel safety control system integrating Internet of Things positioning and face recognition technologies of the present invention includes a wireless positioning unit, a face recognition unit, a video analysis unit, and an intelligent control platform.

[0009] The wireless positioning unit is used to locate the position of personnel in real time and is arranged at key positions;

[0010] The face recognition unit is used to identify the identity of personnel through a face recognition algorithm;

[0011] The video analysis unit is used to track the positions of personnel and vehicles in real time through video analysis technology;

[0012] The intelligent management and control platform integrates Internet of Things, mobile Internet, cloud services, visual recognition and artificial intelligence technologies, and is used to provide functions such as personnel positioning, identity recognition, access control, risk warning and data analysis; wireless positioning units are arranged at key positions in the production area to real-time position personnel. The wireless positioning units fill the non-positioning areas through a space compensation algorithm to ensure that the positioning coverage has no dead corners. The face recognition unit is installed in the areas where personnel must pass through. It has a built-in face recognition algorithm to real-time identify personnel identities and match with the positioning data. The face recognition unit performs data fusion with the wireless positioning unit to calibrate the personnel position information and improve the positioning accuracy. The video analysis unit real-time tracks the positions of personnel and vehicles through video analysis technology. When abnormal behaviors or potential risks are detected, the system automatically triggers an alarm and notifies relevant personnel. The system combines wireless positioning, face recognition, video analysis and artificial intelligence technologies to achieve precise positioning, identity recognition and real-time risk warning, improving operation efficiency and safety.

[0013] Preferably, the face recognition unit is a face recognition camera; the face recognition camera is installed at the corridor or the entrance and exit to real-time identify personnel identities and match with the positioning data.

[0014] Preferably, the wireless positioning unit includes a wireless positioning base station main body, side plates, first bolts, positioning plates and threaded grooves. Side plates are respectively arranged at opposite ends of the wireless positioning base station main body. The first bolts pass through the side plates. The top end of the positioning plate is installed with a threaded groove. It also includes a reinforcement component, an anti-collision component and a lifting component. Two groups of reinforcement components are symmetrically arranged on the positioning plate. One group of anti-collision components is respectively arranged at the left and right ends of the positioning plate. The two groups of anti-collision components are symmetrically arranged. A limiting component is arranged on the positioning plate. The positioning plate is installed on the lifting component; when the wireless positioning base station main body needs to be installed, the lifting component is placed on the support surface, and then the wireless positioning base station main body is placed on the top end of the positioning plate. Then the first bolts pass through the side plates and are connected to the threaded grooves, thus completing the fixed installation of the wireless positioning base station main body. At the same time, when the wireless positioning base station main body is installed above the positioning plate, the wireless positioning base station main body enables the two groups of reinforcement components to reinforce the left and right ends of the wireless positioning base station main body, further improving the installation firmness. At the same time, the wireless positioning base station main body releases the limitation of the limiting component on the two groups of anti-collision components, so that the two groups of anti-collision components cooperate with each other and are fixedly connected by bolts to provide anti-collision protection for the wireless positioning base station main body. Then, according to the use requirements, the use height of the wireless positioning base station main body is adjusted through the lifting component, improving the convenience and safety protection.

[0015] Preferably, the reinforcement component includes a first rotating shaft, a support plate, a reinforcement plate and an anti-slip pad. A first groove is installed at the top end of the positioning plate. A group of first rotating shafts are rotatably arranged in the first groove. The support plate is installed on the first rotating shaft. The reinforcement plate is installed on the support plate. The support plate and the reinforcement plate are in an L shape. The anti-slip pad is installed at the inner end of the reinforcement plate. Before the wireless positioning base station body is installed, the two reinforcement plates are in an inverted V shape. When the wireless positioning base station body is installed on the top end of the positioning plate, the bottom end of the wireless positioning base station body presses the close ends of the two support plates downward into the first groove, so that the support plate makes the reinforcement plate stand upright under the cooperation of the first rotating shaft, so that the reinforcement plate tightly fixes the side end of the wireless positioning base station body through the anti-slip pad, improving the installation firmness of the wireless positioning base station body.

[0016] Preferably, the anti-collision component includes a notch, a second rotating shaft, a support arm, a square frame, an anti-collision net frame and a fixing plate. A notch is arranged at one end of the positioning plate. The second rotating shaft is rotatably installed inside the notch. The support arm is arranged on the second rotating shaft. The anti-collision net frame is arranged at the end of the support arm far away from the positioning plate. The square frame is installed on the side end of the support arm. The fixing plate is installed on the anti-collision net frame. Before the wireless positioning base station body is installed and fixed, the two support arms are in a vertical state and the anti-collision net frame is below the support arm, and the limiting component hooks the two square frames, so as to fix the support arm and prevent the support arm from swaying back and forth during the handling of the lifting component and the positioning plate. When the wireless positioning base station body is installed on the positioning plate, the wireless positioning base station body releases the hooking of the two square frames by the limiting component, so that the two support arms can swing. Then the two support arms are respectively rotated by 180 degrees, and the two anti-collision net frames form an enclosure. The wireless positioning base station body is inside the two anti-collision net frames. Then the two fixing plates are fixed by bolts and nuts, improving the convenience and the safety protection.

[0017] Preferably, the limiting component includes a pressing plate, a pressing rod, a tension spring, a lifting plate and a limiting block. The pressing plate is arranged inside the first groove. Multiple pressing rods are arranged at the bottom end of the pressing plate. The pressing rods are slidably connected with the positioning plate. The bottom ends of the multiple pressing rods are all connected with the top end of the lifting plate. A group of limiting blocks are respectively installed on the left and right sides of the top end of the lifting plate. The limiting blocks are adapted to the square frame. A group of tension springs are respectively sleeved outside each pressing rod. The multiple tension springs are all between the positioning plate and the lifting plate. Before installation, the multiple tension springs cooperate to pull the lifting plate, so that the lifting plate rises. Further, while the lifting plate drives the two limiting blocks to rise, the two lifting plates are respectively inserted into the inside of a square frame, so as to limit the two support arms. When the wireless positioning base station body is installed on the positioning plate, the bottom end of the wireless positioning base station body presses the top end of the pressing plate, so that the pressing plate drives the lifting plate to descend through the multiple pressing rods. Further, while the lifting plate drives the two limiting blocks to descend, the limiting blocks release the limitation on the square frame, so that the support arm can swing freely.

[0018] Preferably, the lifting assembly includes a box body, a lead screw, a worm gear, a worm, a handwheel, a smooth rod, a lifting rod, and a lifting block. The lead screw is longitudinally rotatably arranged inside the box body, and multiple groups of smooth rods are longitudinally fixedly arranged. The lifting block is slidably connected to the multiple groups of smooth rods and threadedly connected to the lead screw. Multiple groups of lifting rods are arranged at the top end of the lifting block. The top ends of the multiple groups of lifting rods extend above the box body and are connected to the bottom end of the positioning plate. A worm gear is installed on the lead screw, and a worm is rotatably installed inside the box body. The worm meshes with the worm gear, and a handwheel is installed at one end of the worm. When the staff needs to adjust the height of the wireless positioning base station body, the worm is rotated through the handwheel, so that the worm gear drives the lead screw to rotate. Since the lead screw is threadedly connected to the lifting block, the lead screw drives the lifting block to lift under the cooperation of the multiple groups of smooth rods, and further the lifting block adjusts the height of the positioning plate and the wireless positioning base station body through the multiple groups of lifting rods, improving flexibility and convenience.

[0019] Preferably, it further includes a handle and a handle sleeve. The handle is arranged at the top end of the box body, and the handle sleeve is sleeved on the handle. The staff holds the handle tightly through the handle sleeve to move the box body, improving convenience.

[0020] Preferably, it further includes guide wheels. One group of guide wheels is respectively rotatably arranged at the top of the ends of the two support plates close to each other. When the bottom end of the wireless positioning base station body presses down on the two guide wheels, the two guide wheels rotate adaptively, reducing the hard friction between the support plate and the bottom end of the positioning plate and reducing the friction loss.

[0021] Preferably, the anti-collision mesh frame is made of stainless steel.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: The wireless positioning units are arranged at key positions in the production area to locate the personnel positions in real time. The wireless positioning units fill the non-positioning areas through the space compensation algorithm to ensure that there is no dead angle in the positioning coverage. The face recognition unit is installed in the area where personnel must pass. It has a built-in face recognition algorithm to identify the personnel identity in real time and match it with the positioning data. The face recognition unit and the wireless positioning unit perform data fusion to calibrate the personnel position information and improve the positioning accuracy. The video analysis unit tracks the positions of personnel and vehicles in real time through video analysis technology. When abnormal behaviors or potential risks are detected, the system automatically triggers an alarm and notifies relevant personnel. The system combines wireless positioning, face recognition, video analysis, and artificial intelligence technologies to achieve precise positioning, identity recognition, and real-time risk warning, improving the operation efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is an isometric structural schematic diagram of the wireless positioning unit of the present invention;

[0024] Figure 2 is an exploded structural schematic diagram of the wireless positioning unit of the present invention;

[0025] Figure 3 It is an enlarged structural schematic diagram of the wireless positioning base station main body, side plate and other structures;

[0026] Figure 4 It is an enlarged structural schematic diagram of the box body, pressing plate and other structures;

[0027] Figure 5 It is an exploded structural schematic diagram of the support arm, positioning plate and other structures;

[0028] Figure 6 It is an enlarged structural schematic diagram of the pressing plate, anti-collision net frame and other structures;

[0029] Figure 7 It is Figure 6 The partial enlarged structural schematic diagram of part A in

[0030] Figure 8 It is an enlarged structural schematic diagram of the anti-slip pad, worm gear and other structures;

[0031] Figure 9 It is an enlarged structural schematic diagram of the support plate, reinforcement plate and other structures;

[0032] Figure 10 It is the first enlarged structural schematic diagram of the lifting rod, hand wheel and other structures;

[0033] Figure 11 It is the second enlarged structural schematic diagram of the lifting rod, hand wheel and other structures;

[0034] Figure 12 It is the system block diagram of the present invention.

[0035] Markings in the attached drawings: 101, wireless positioning base station main body; 102, side plate; 103, first bolt; 104, positioning plate; 105, thread groove; 201, first groove; 202, first rotating shaft; 203, support plate; 204, reinforcement plate; 205, anti-slip pad; 206, guide wheel; 301, notch; 302, second rotating shaft; 303, support arm; 304, square box; 305, anti-collision net frame; 306, fixing plate; 401, pressing plate; 402, pressing rod; 404, tension spring; 405, lifting plate; 406, limiting block; 501, box body; 502, lead screw; 503, worm gear; 504, worm; 505, hand wheel; 506, optical bar; 507, lifting rod; 508, lifting block; 509, handle; 510, handle sleeve. Detailed implementation manners

[0036] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0037] Embodiment 1

[0038] As Figures 1 to 12 shown, a personnel safety control system integrating Internet of Things positioning and face recognition technologies of the present invention includes a wireless positioning unit, a face recognition unit, a video analysis unit, and an intelligent control platform.

[0039] The wireless positioning unit is used to locate the personnel position in real time and is arranged at key positions.

[0040] The face recognition unit is used to identify the identity of personnel through face recognition algorithms.

[0041] The video analysis unit is used to track the positions of personnel and vehicles in real time through video analysis technologies.

[0042] The intelligent control platform integrates Internet of Things, mobile Internet, cloud services, visual recognition, and artificial intelligence technologies and is used to provide functions such as personnel positioning, identity recognition, access control, risk warning, and data analysis.

[0043] The face recognition unit is a face recognition camera, and the face recognition function is built in the face recognition camera.

[0044] In this embodiment, the wireless positioning units are arranged at key positions in the production area, such as stairwells and equipment rooms, to locate the personnel positions in real time. The wireless positioning units fill the non-positioned areas through a space compensation algorithm to ensure that the positioning coverage has no dead corners. The face recognition unit is installed in the areas where personnel must pass, such as entrances and exits and corridors. It has a built-in face recognition algorithm to identify the personnel identity in real time and match it with the positioning data. The face recognition unit and the wireless positioning unit perform data fusion to calibrate the personnel position information and improve the positioning accuracy. The video analysis unit tracks the positions of personnel and vehicles in real time through video analysis technologies. When abnormal behaviors or potential risks are detected, the system automatically triggers an alarm and notifies the relevant personnel. The system combines wireless positioning, face recognition, video analysis, and artificial intelligence technologies to achieve accurate positioning, identity recognition, and real-time risk warning, improving the operation efficiency and safety.

[0045] Embodiment 2

[0046] Based on Embodiment 1, as Figures 1 to 11As shown in the figure, a personnel safety control system integrating Internet of Things positioning and face recognition technology of the present invention. The wireless positioning unit includes a wireless positioning base station main body 101, side plates 102, first bolts 103, positioning plates 104 and threaded grooves 105. Side plates 102 are respectively arranged at opposite ends of the wireless positioning base station main body 101. First bolts 103 are passed through the side plates 102. A threaded groove 105 is installed at the top end of the positioning plate 104. It also includes a reinforcement component, a collision prevention component and a lifting component. Two groups of reinforcement components are symmetrically arranged on the positioning plate 104. One group of collision prevention components is respectively arranged at the left and right ends of the positioning plate 104. The two groups of collision prevention components are symmetrically arranged. A limiting component is arranged on the positioning plate 104. The positioning plate 104 is installed on the lifting component;

[0047] The reinforcement component includes a first rotating shaft 202, a support plate 203, a reinforcement plate 204 and an anti-slip pad 205. A first groove 201 is installed at the top end of the positioning plate 104. A group of first rotating shafts 202 are rotatably arranged in the first groove 201. A support plate 203 is installed on the first rotating shaft 202. A reinforcement plate 204 is installed on the support plate 203. The support plate 203 and the reinforcement plate 204 are in an L shape. An anti-slip pad 205 is installed at the inner end of the reinforcement plate 204;

[0048] The collision prevention component includes a notch 301, a second rotating shaft 302, a support arm 303, a square frame 304, a collision prevention net frame 305 and a fixing plate 306. A notch 301 is arranged at one end of the positioning plate 104. A second rotating shaft 302 is rotatably installed inside the notch 301. A support arm 303 is arranged on the second rotating shaft 302. A collision prevention net frame 305 is arranged at the end of the support arm 303 far from the positioning plate 104. A square frame 304 is installed on the side end of the support arm 303. A fixing plate 306 is installed on the collision prevention net frame 305;

[0049] The limiting component includes a pressing plate 401, a pressing rod 402, a tension spring 404, a lifting plate 405 and a limiting block 406. A pressing plate 401 is arranged inside the first groove 201. Multiple groups of pressing rods 402 are arranged at the bottom end of the pressing plate 401. The pressing rods 402 are slidably connected with the positioning plate 104. The bottom ends of multiple groups of pressing rods 402 are all connected with the top end of the lifting plate 405. A group of limiting blocks 406 are respectively installed on the left and right sides of the top end of the lifting plate 405. The limiting blocks 406 are adapted to the square frame 304. A group of tension springs 404 are respectively sleeved outside each group of pressing rods 402. Multiple groups of tension springs 404 are all between the positioning plate 104 and the lifting plate 405;

[0050] The lifting assembly includes a box body 501, a lead screw 502, a worm gear 503, a worm 504, a hand wheel 505, a smooth rod 506, a lifting rod 507 and a lifting block 508. Inside the box body 501, the lead screw 502 is longitudinally rotatably arranged and multiple groups of smooth rods 506 are longitudinally fixedly arranged. The lifting block 508 is slidably connected to the multiple groups of smooth rods 506 and is threadedly connected to the lead screw 502. At the top of the lifting block 508, multiple groups of lifting rods 507 are provided. The tops of the multiple groups of lifting rods 507 extend above the box body 501 and are connected to the bottom end of the positioning plate 104. A worm gear 503 is installed on the lead screw 502, and a group of worms 504 are rotatably installed inside the box body 501. The worm 504 meshes with the worm gear 503, and one end of the worm 504 is installed with a hand wheel 505;

[0051] It further includes a handle 509 and a handle sleeve 510. A handle 509 is provided at the top of the box body 501, and a handle sleeve 510 is sleeved on the handle 509.

[0052] In this embodiment, before the wireless positioning base station main body 101 is installed, the two reinforcing plates 204 are in an inverted V shape. When the wireless positioning base station main body 101 is installed on the top of the positioning plate 104, the bottom end of the wireless positioning base station main body 101 presses the approaching ends of the two support plates 203 into the first groove 201, so that the support plates 203 make the reinforcing plates 204 stand upright with the cooperation of the first rotating shafts 202, so that the reinforcing plates 204 tightly fix the side end of the wireless positioning base station main body 101 through the anti-slip pads 205. The bottom end of the wireless positioning base station main body 101 presses the top end of the pressure plate 401, so that the pressure plate 401 drives the lifting plate 405 to descend through multiple pressure rods 402. Further, when the lifting plate 405 drives the two limit blocks 406 to descend, the limit blocks 406 release the limit on the square frame 304, so that the support arms 303 swing freely. Rotate the two support arms 303 by 180 degrees respectively, and the two anti-collision net frames 305 form an enclosure. The wireless positioning base station main body 101 is inside the two anti-collision net frames 305. Then the two fixing plates 306 are fixed by bolts and nuts. When the staff needs to adjust the height of the wireless positioning base station main body 101, the worm 504 is rotated through the hand wheel 505, so that the worm gear 503 drives the lead screw 502 to rotate. Since the lead screw 502 is threadedly connected to the lifting block 508, the lead screw 502 drives the lifting block 508 to lift and lower with the cooperation of multiple groups of smooth rods 506. Further, the lifting block 508 adjusts the height of the positioning plate 104 and the wireless positioning base station main body 101 through multiple groups of lifting rods 507.

[0053] The main functions achieved by the present invention are:

[0054] 1. By integrating Internet of Things positioning and face recognition technologies, accurate positioning and identity recognition of personnel in complex indoor environments are realized;

[0055] 2. Adopt spatial compensation algorithm and video analysis technology to make up for the deficiencies of traditional positioning technology and improve positioning accuracy and coverage.

[0056] 3. Through system linkage and real-time warning functions, discover potential risks in a timely manner and enhance safety management level.

[0057] 4. Integrate a variety of advanced technologies to provide comprehensive safety monitoring and management functions, suitable for a variety of complex production environments.

[0058] 5. When installing the wireless positioning base station main body 101, the wireless positioning base station main body 101 enables two groups of reinforcement plates 204 to reinforce both sides of the wireless positioning base station main body 101, and at the same time, the wireless positioning base station main body 101 enables the limit component to release the limit on the anti-collision component.

[0059] For a personnel safety control system integrating Internet of Things positioning and face recognition technology of the present invention, its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the wireless positioning base station main body 101 of the personnel safety control system integrating Internet of Things positioning and face recognition technology of the present invention is purchased on the market, and technicians in this industry only need to install and operate it according to the attached user manual, without the need for technicians in this field to perform creative labor.

[0060] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A personnel safety control system integrating Internet of Things positioning and face recognition technologies, comprising a wireless positioning unit, a face recognition unit, a video analysis unit and an intelligent control platform, characterized in that The wireless positioning unit is used for real-time positioning of personnel positions and is arranged at key positions; The face recognition unit is used for identifying the identities of personnel through face recognition algorithms; The video analysis unit is used for real-time tracking of the positions of personnel and vehicles through video analysis technologies; The intelligent control platform integrates Internet of Things, mobile Internet, cloud services, visual recognition and artificial intelligence technologies and is used for providing functions of personnel positioning, identity recognition, access control, risk warning and data analysis.

2. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 1, characterized in that, The face recognition unit is a face recognition camera, and the face recognition camera has a built-in face recognition function.

3. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 2, characterized in that The wireless positioning unit includes a wireless positioning base station main body (101), side plates (102), first bolts (103), positioning plates (104) and threaded grooves (105). Side plates (102) are respectively arranged at opposite ends of the wireless positioning base station main body (101). First bolts (103) are passed through the side plates (102). A threaded groove (105) is installed at the top end of the positioning plate (104). It further includes a reinforcement component, a collision prevention component and a lifting component. Two groups of reinforcement components are symmetrically arranged on the positioning plate (104). One group of collision prevention components is respectively arranged at the left and right ends of the positioning plate (104). The two groups of collision prevention components are symmetrically arranged. A limiting component is arranged on the positioning plate (104). The positioning plate (104) is installed on the lifting component.

4. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 3, characterized in that, The reinforcement component includes a first rotating shaft (202), a support plate (203), a reinforcement plate (204) and an anti-slip pad (205). A first groove (201) is installed at the top end of the positioning plate (104). A group of first rotating shafts (202) are rotatably arranged in the first groove (201). A support plate (203) is installed on the first rotating shaft (202). A reinforcement plate (204) is installed on the support plate (203). The support plate (203) and the reinforcement plate (204) are in an L shape. An anti-slip pad (205) is installed at the inner end of the reinforcement plate (204).

5. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 4, characterized in that, The collision prevention component includes a notch (301), a second rotating shaft (302), a support arm (303), a square frame (304), a collision prevention mesh frame (305) and a fixing plate (306). A notch (301) is arranged at one end of the positioning plate (104). A second rotating shaft (302) is rotatably installed inside the notch (301). A support arm (303) is arranged on the second rotating shaft (302). A collision prevention mesh frame (305) is arranged at the end of the support arm (303) far from the positioning plate (104). A square frame (304) is installed on the side end of the support arm (303). A fixing plate (306) is installed on the collision prevention mesh frame (305).

6. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 3, wherein The limiting component includes a pressing plate (401), a pressing rod (402), a tension spring (404), a lifting plate (405) and a limiting block (406). The pressing plate (401) is arranged inside the first groove (201). Multiple groups of pressing rods (402) are arranged at the bottom end of the pressing plate (401). The pressing rods (402) are slidably connected to the positioning plate (104). The bottom ends of multiple groups of pressing rods (402) are all connected to the top end of the lifting plate (405). A group of limiting blocks (406) are respectively installed on the left and right sides of the top end of the lifting plate (405). The limiting blocks (406) are adapted to the square frame (304). A group of tension springs (404) are respectively sleeved outside each group of pressing rods (402). Multiple groups of tension springs (404) are all between the positioning plate (104) and the lifting plate (405).

7. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 3, characterized in that, The lifting component includes a box body (501), a lead screw (502), a worm gear (503), a worm (504), a hand wheel (505), a smooth rod (506), a lifting rod (507) and a lifting block (508). The lead screw (502) is longitudinally rotatably arranged inside the box body (501) and multiple groups of smooth rods (506) are longitudinally fixedly arranged. The lifting block (508) is slidably connected to multiple groups of smooth rods (506) and is threadedly connected to the lead screw (502). Multiple groups of lifting rods (507) are arranged at the top end of the lifting block (508). The top ends of multiple groups of lifting rods (507) extend above the box body (501) and are connected to the bottom end of the positioning plate (104). A worm gear (503) is installed on the lead screw (502). A worm (504) is rotatably installed inside the box body (501). The worm (504) meshes with the worm gear (503). One end of the worm (504) is installed with a hand wheel (505).

8. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 7, characterized in that, It further includes a handle (509) and a handle sleeve (510). The handle (509) is arranged at the top end of the box body (501). The handle sleeve (510) is sleeved on the handle (509).

9. The personnel safety control system integrating Internet of Things positioning and face recognition technology according to claim 4, wherein It further includes guide wheels (206). A group of guide wheels (206) are respectively rotatably arranged at the top parts of the closer ends of the two support plates (203).

10. A personnel safety control system integrating Internet of Things positioning and face recognition technology, characterized in that, The anti-collision net frame (305) is made of stainless steel.

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