Non-coal mine personnel safety behavior visual monitoring and early warning system

Abstract

The invention discloses a visual monitoring and early warning system for safety behaviors of non-coal mine personnel, and relates to the technical field of monitoring, the visual monitoring and early warning system comprises a support, a mounting rack, a UWB positioning wrist strap, a display and a controller, the controller is mounted on the support, the mounting rack is uniformly provided with mutually vertical sliding grooves, fixers are slidably arranged in the sliding grooves, and the UWB positioning wrist strap is mounted on the mounting rack. One end of the support is fixedly connected with a fixing frame, one end of the fixing frame is rotationally connected with a gear shaft, the top face of the other end of the fixing frame is fixedly connected with a motor, and the end, located on the inner side of the fixing frame, of an output shaft of the motor is fixedly connected with a gear meshed with the gear shaft. According to the visual monitoring and early warning system for the safety behaviors of the non-coal mine personnel, through cooperative arrangement of the controller and the motor, the monitoring angle can be actively adjusted when the system is used, the situation that the personnel cannot cover a monitoring blind area is avoided, meanwhile, the positioning terminal is linked with the monitoring system, and the situation that early warning is not timely is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of monitoring, and particularly to a visual monitoring and early warning system for the safety behavior of non-coal mine personnel. Background Technique

[0002] As an important field of mineral resource development, non-coal mines have a complex and changeable operating environment and are often faced with safety risks such as collapse, water inrush, poisoning and asphyxiation, and mechanical injuries. Although the safety production regulations for mines have been gradually improved in recent years, unsafe behaviors such as personnel's illegal operations, entering dangerous areas by mistake, and not wearing protective equipment are still the key factors leading to frequent accidents. The following technical defects generally exist in traditional personnel safety monitoring means:

[0003] Existing systems mostly rely on fixed video monitoring equipment or manual inspections, making it difficult to achieve full coverage of the operation area. The complex underground terrain results in widespread monitoring blind spots. Conventional monitoring systems mainly focus on retrospective investigation. The identification of high-risk behaviors such as climbing equipment, illegal gatherings, and not wearing safety helmets relies on manual playback and cannot trigger early warnings before dangers occur, resulting in delayed responses. The positioning terminals (such as RFID, UWB) and the video monitoring system operate independently and fail to achieve data linkage. The separation of personnel position information and behavior characteristics makes the system unable to accurately evaluate compound risks such as "personnel staying in dangerous areas".

[0004] Therefore, it is necessary to propose a visual monitoring and early warning system for the safety behavior of non-coal mine personnel to solve the above problems. Summary of the Invention

[0005] (1) Technical Problems to be Solved

[0006] The purpose of the present invention is to provide a visual monitoring and early warning system for the safety behavior of non-coal mine personnel to solve the problems in the above background technique that existing systems mostly rely on fixed video monitoring equipment or manual inspections, making it difficult to achieve full coverage of the operation area. The complex underground terrain results in widespread monitoring blind spots. Conventional monitoring systems mainly focus on retrospective investigation. The identification of high-risk behaviors such as climbing equipment, illegal gatherings, and not wearing safety helmets relies on manual playback and cannot trigger early warnings before dangers occur, resulting in delayed responses. The positioning terminals (such as RFID, UWB) and the video monitoring system operate independently and fail to achieve data linkage. The separation of personnel position information and behavior characteristics makes the system unable to accurately evaluate compound risks such as "personnel staying in dangerous areas".

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present invention is realized through the following technical solutions: A visual monitoring and early warning system for the safety behavior of non-coal mine personnel, including a bracket, a mounting frame, a UWB positioning wristband, a display, and a controller. The controller is installed on the bracket. The mounting frame is evenly provided with mutually perpendicular chutes. A fixator is slidably arranged in the chute. One end of the bracket is fixedly connected to a fixed frame. One end of the fixed frame is rotatably connected to a gear shaft. The top surface of the other end of the fixed frame is fixedly connected to a motor. One end of the output shaft of the motor located inside the fixed frame is fixedly connected to a gear that meshes with the tooth part of the gear shaft. The top center of the bracket is fixedly connected to a connecting shaft. The top of the connecting shaft and the bottom of the gear shaft are rotatably connected together by bolts.

[0009] Preferably, the controller is composed of a data receiving module, a data receiving module, a control module, and a UWB base station. The data receiving module is used to receive coordinate values. The data processing module is used to judge whether the coordinate value of the UWB positioning wristband is within the coordinate set of the monitoring range. The control module is used to control the rotation of the camera. The UWB base station is used to determine the relative position with the UWB positioning wristband. The UWB base station can be regarded as having the same coordinate value as the camera.

[0010] Preferably, a plurality of axially opened card slots are evenly distributed around the inside of the fixator. A fixing block is slidably arranged inside each card slot. Two compression springs are symmetrically fixedly connected between the inner side plate of the fixing block and the card slot. An expansion tube is arranged at the center of the fixator. An anti-detachment groove is opened on the outer side of the fixing block. A plurality of anti-detachment teeth meshing with the anti-detachment groove are arranged on the outer circular surface of the expansion tube. A fixing ring is arranged at the top of the fixator. An anti-detachment cap is threadedly connected inside the fixing ring.

[0011] Preferably, the side surface of the anti-detachment groove is inclined away from the axis from top to bottom and the bottom is horizontal.

[0012] Preferably, an activity groove is opened on the bottom surface of the mounting frame below the chute. A threaded ring is threadedly connected to the bottom of the fixator. A limiting block communicated with the threaded ring is fixedly connected to the bottom of the threaded ring. The limiting block is slidably arranged in the activity groove.

[0013] Preferably, the limiting block is waist-shaped, its width is smaller than the width of the activity groove, and its length is greater than the width of the activity groove.

[0014] Preferably, the inner side of the fixing block shrinks towards the center to have a trapezoidal cross-section. The side of the bottom of the fixing block close to the axis is inclined upwards. A limiting groove is opened on the inner side of the fixing block.

[0015] Preferably, the top of the expansion tube is in a closed state. A plurality of limiting strips are fixedly connected to the outer circular surface of the expansion tube.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention provides a visual monitoring and early warning system for the safety behavior of non-coal mine personnel, which has the following beneficial effects:

[0018] Through the coordinated setting of the controller and the motor, when using the device, the visual monitoring and early warning system for the safety behavior of non-coal mine personnel can actively adjust the monitoring angle, avoiding the situation where personnel cannot be covered in the monitoring blind area. At the same time, the positioning terminal is linked with the monitoring system, avoiding the occurrence of untimely early warning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is an axonometric schematic diagram of the present invention;

[0020] Figure 2 is a top view schematic diagram of the fixture structure of the present invention;

[0021] Figure 3 is a side view sectional schematic diagram of the fixture structure of the present invention;

[0022] Figure 4 is a top view sectional schematic diagram of the fixture structure of the present invention;

[0023] Figure 5 is an enlarged schematic diagram of the fixing block structure of the present invention;

[0024] Figure 6 is an enlarged schematic diagram of the expansion tube structure of the present invention;

[0025] Figure 7 is an enlarged schematic diagram of the anti-loosening cap of the structure of the present invention;

[0026] Figure 8 is a bottom view schematic diagram of the mounting bracket structure of the present invention;

[0027] Figure 9 is a flow schematic diagram of the controller working of the present invention.

[0028] In the figure: 1. Controller; 2. Gear; 3. Connecting shaft; 4. Mounting bracket; 5. Chute; 6. Fixture; 7. Anti-loosening cap; 8. Gear shaft; 9. Fixed bracket; 10. Motor; 11. Bracket; 12. Fixed block; 14. Fixed ring; 15. Expansion tube; 16. Limiting block; 17. Threaded ring; 18. Card slot; 20. Compression spring; 21. Activity slot; 22. Limiting slot; 23. Limiting strip; 24. UWB positioning wristband; 25. UWB base station; 26. Data receiving module; 27. Data receiving module; 28. Control module; 29. Display; 30. Anti-loosening groove. DETAILED DESCRIPTION OF THE INVENTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figures 1-9 As shown, a visual monitoring and early warning system for the safety behavior of non-coal mine personnel includes a bracket 11, a mounting frame 4, a UWB positioning wristband 24, a display 29, and a controller 1. The controller 1 is installed on the bracket 11. The mounting frame 4 is evenly provided with mutually perpendicular sliding grooves 5. A fixator 6 is slidably arranged in the sliding grooves 5. One end of the bracket 11 is fixedly connected to a fixing frame 9. One end of the fixing frame 9 is rotatably connected to a gear shaft 8. The top surface of the other end of the fixing frame 9 is fixedly connected to a motor 10. One end of the output shaft of the motor 10 located inside the fixing frame 9 is fixedly connected to a gear 2 meshing with the tooth part of the gear shaft 8. The top center of the bracket 11 is fixedly connected to a connecting shaft 3. The top of the connecting shaft 3 and the bottom of the gear shaft 8 are rotatably connected together by bolts.

[0031] When the device is in use, an off-the-shelf monitoring camera is installed on the mounting frame 4. The bracket 11 is fixed on the wall. The sliding groove 5 can adjust the position of the fixator 6 on the mounting frame 4, facilitating the installation of different types of monitors. The gear shaft 8 is rotatably connected to the connecting shaft 3, and the installation angle of the monitoring camera can be adjusted, so that the monitor can maintain horizontal rotation when the motor 10 rotates.

[0032] The controller 1 is composed of a data receiving module 26, a data processing module 27, a control module 28, and a UWB base station 25. The data receiving module 26 is used to receive coordinate values. The data processing module 27 is used to judge whether the coordinate value of the UWB positioning wristband 24 is within the coordinate set of the monitoring range. The control module 28 is used to control the rotation of the camera. The UWB base station 25 is used to determine the relative position with the UWB positioning wristband 24. The UWB base station 25 can be regarded as having the same coordinate value as the camera.

[0033] A plurality of axially opened card slots 18 are evenly distributed on the inner circumference of the fixator 6. Fixing blocks 12 are slidably arranged inside the card slots 18. Two compression springs 20 are symmetrically fixedly connected between the inner side plates of the fixing blocks 12 and the card slots 18. An expansion tube 15 is arranged at the axis center of the fixator 6. Anti-slip grooves 30 are opened on the outer sides of the fixing blocks 12. A plurality of anti-slip teeth 31 meshing with the anti-slip grooves 30 are arranged on the outer circular surface of the expansion tube 15. A fixing ring 14 is arranged at the top of the fixator 6. An anti-slip cap 7 is threadedly connected inside the fixing ring 14.

[0034] The cooperation setting of the compression spring 20 and the fixed block 12 can allow expansion tubes 15 of different diameters to be inserted inwardly. When inserting an expansion tube 15 with a larger diameter, the fixed block 12 can be squeezed into the inside of the slot 18. The anti-dropout cap 7 can prevent the expansion tube 15 from falling out from the top. At the same time, the cooperation setting of the anti-dropout tooth 31 and the anti-dropout slot 30 can ensure that the expansion tube 15 can only move in one direction and cannot fall out from the bottom, thereby playing a weighing role.

[0035] The side surface of the anti-slip groove 30 is inclined from top to bottom away from the axis, and the bottom is horizontal, so that the expansion tube 15 can only move in one direction.

[0036] A movable groove 21 is provided on the bottom surface of the mounting frame 4 below the slide groove 5, and a threaded ring 17 is threadedly connected to the bottom of the fixer 6, and a limit block 16 connected to the threaded ring 17 is fixedly connected to the bottom of the threaded ring 17. When the fixer 6 is moved, the fixer 6 is rotated to loosen the limit block 16, so that the fixer 6 can be moved. When it is moved to a suitable position, the fixer 6 can be fixed on the mounting frame 4 by simply rotating the fixer 6.

[0037] The limit block 16 is rounded and has a width smaller than that of the movable groove 21 and a length larger than that of the movable groove 21 . The limit block 16 is slidably disposed in the movable groove 21 to prevent the limit block 16 from moving in the movable groove 21 .

[0038] The inner side of the fixing block 12 shrinks toward the center to have a trapezoidal cross-section, so that multiple fixing blocks 12 can be as close as possible to the center of the fixer 6. A limiting groove 22 is provided on the inner side of the fixing block 12 to accommodate screws of a larger size range. The bottom of the fixing block 12 is tilted upward near the axis, which can facilitate the insertion of the screws and prevent them from getting stuck when tilted.

[0039] The top of the expansion tube 15 is in a closed state, and a plurality of limit strips 23 are fixedly connected to the outer cylindrical surface of the expansion tube 15. The limit strips 23 are engaged with the limit grooves 22 to prevent the expansion tube 15 from idling. When the expansion tube 15 is removed, the anti-drop cap 7 on the top is removed, and a suitable object can be used to push the expansion tube 15 out of the top of the fixture 6. At the same time, the expansion tube 15 is different from the existing expansion tube 15. It can be made of metal and is not fixed by extrusion, and can play the role of a nut.

[0040] Working principle: First, a coordinate set is established for the monitoring screen. The UWB positioning wristband 24 is worn on a person and sends signals to the UWB base station 25 in real time. The position of the UWB positioning wristband 24 is determined by measuring the time difference of the signals reaching different UWB base stations 25. Assuming that the signals sent by the UWB positioning wristband 24 propagate to three UWB base stations 25 simultaneously, the time difference of the signals reaching the UWB base station 25 can be used to determine the position of the UWB positioning wristband 24. According to the hyperbolic positioning principle, these time differences can be used to construct a hyperbolic equation, and the position of the UWB positioning wristband 24 is the intersection of these hyperbolas. After obtaining the position of the UWB positioning wristband 24, it is judged whether the coordinates of the UWB positioning wristband 24 are within the coordinate set of the monitoring screen. When it is within the coordinate set, the image can be directly displayed on the display 29. When it is not within the coordinate set, the control module 28 controls the motor 10 to rotate, moves the camera to the coordinate, actively searches for the person, displays the person's situation on the display 29, and gives early warnings about the person's actions through existing algorithms.

[0041] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A visual monitoring and early warning system for the safety behavior of non-coal mine personnel, characterized in that: It includes a bracket (11), a mounting bracket (4), a UWB positioning wristband (24), a display (29) and a controller (1). The controller (1) is mounted on the bracket (11). The mounting bracket (4) is evenly provided with mutually perpendicular sliding grooves (5). A fixator (6) is slidably arranged in the sliding groove (5). One end of the bracket (11) is fixedly connected to a fixing frame (9). One end of the fixing frame (9) is rotatably connected to a gear shaft (8). The top surface of the other end of the fixing frame (9) is fixedly connected to a motor (10). One end of the output shaft of the motor (10) located inside the fixing frame (9) is fixedly connected to a gear (2) engaging with the tooth part of the gear shaft (8). The center of the top of the bracket (11) is fixedly connected to a connecting shaft (3). The top of the connecting shaft (3) and the bottom of the gear shaft (8) are rotatably connected together by bolts.

2. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: The controller (1) is composed of a data receiving module (26), a data processing module (27), a control module (28) and a UWB base station (25). The data receiving module (26) is used to receive coordinate values. The data processing module (27) is used to judge whether the coordinate value of the UWB positioning wristband (24) is within the coordinate set of the monitoring range. The control module (28) is used to control the rotation of the camera. The UWB base station (25) is used to determine the relative position with the UWB positioning wristband (24). The UWB base station (25) can be regarded as having the same coordinate value as the camera.

3. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: A plurality of axially opened clamping grooves (18) are evenly distributed on the inner circumference of the fixator (6). Fixing blocks (12) are slidably arranged inside the clamping grooves (18). Two compression springs (20) are symmetrically and fixedly connected between the inner side plate of the fixing block (12) and the clamping groove (18). An expansion tube (15) is arranged at the center of the fixator (6). An anti - detachment groove (30) is opened on the outer side of the fixing block (12). A plurality of anti - detachment teeth (31) engaging with the anti - detachment groove (30) are arranged on the outer circular surface of the expansion tube (15). A fixing ring (14) is arranged at the top of the fixator (6). An anti - detachment cap (7) is threadedly connected inside the fixing ring (14).

4. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: The side of the anti - detachment groove (30) inclines away from the axis from top to bottom and the bottom is horizontal.

5. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: An activity groove (21) is opened on the bottom surface of the mounting bracket (4) below the sliding groove (5). The bottom of the fixator (6) is threadedly connected with a threaded ring (17). The bottom of the threaded ring (17) is fixedly connected with a limit block (16) communicating with the threaded ring (17). The limit block (16) is slidably arranged in the activity groove (21).

6. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, wherein: The limit block (16) is kidney - shaped. Its width is smaller than the width of the activity groove (21), and its length is larger than the width of the activity groove (21).

7. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: The inner side of the fixing block (12) shrinks towards the center with a trapezoidal cross - section. The bottom of the fixing block (12) inclines upwards on the side close to the axis. A limit groove (22) is opened on the inner side of the fixing block (12).

8. The visual monitoring and early warning system for the safety behavior of non-coal mine personnel according to claim 1, characterized in that: The top of the expansion tube (15) is in a closed state, and a plurality of limiting strips (23) are fixedly connected to the outer circumferential surface of the expansion tube (15).

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