Underground electronic fence based on UWB technology and creation method

Abstract

The invention discloses an underground electronic fence based on a UWB technology and a creating method, and relates to the technical field of electronic fences, the underground electronic fence comprises a base, the base is placed in an underground corresponding area, a mounting frame is slidably arranged in a cavity in the inner side of the base, and an adjusting rod is fixed to the outer side of the mounting frame; the adjusting rod is locked through a bolt and is slidably arranged in a cavity in the side edge of the base, a mounting column is vertically and rotatably arranged in a cavity in the inner side of the mounting frame, a sliding sleeve is slidably arranged on the mounting column, the tooth roller is rotatably mounted at the top of the base, and the top of the tooth roller is connected with a camera through a mounting base. An angle adjusting assembly is arranged between the sliding sleeve and the top of the base, and the angle adjusting assembly is used for adjusting the angle of the camera according to the pull-out width of the fence. According to the underground electronic fence based on the UWB technology and the creation method, the angle of the camera is adjusted according to the fence area, the monitoring range is expanded, meanwhile, the UWB technology is utilized, positioning is accurate, the self-definition degree is high, and the underground electronic fence can adapt to the severe environment of an underground coal mine.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic fences, and in particular to an underground electronic fence based on UWB technology and a creation method thereof. Background Art

[0002] The underground electronic fence of coal mines, also known as the personnel approach protection system, is a safety protection system that is widely used in safety warnings in key underground dangerous areas such as tunneling working faces, coal bunkers, closed walls, and belt conveyors. At present, it mainly uses precise personnel positioning, infrared sensing technology, machine vision recognition technology, etc. to achieve timely sound and light alarms or trigger equipment shutdown when operators enter dangerous areas to avoid accidents; In the past, the key dangerous operation areas in the mine were mainly managed by manual inspection, physical fence + video surveillance, which had the following problems: Manual inspection mainly relied on the self-safety awareness of safety supervisors and operators, over-reliant on human factors, and the judgment of violations was highly subjective. Manual inspection, physical fence + video surveillance and other methods are limited by the field of vision, there are monitoring blind spots, and safety management is prone to loopholes and negligence. Physical fence + video surveillance cannot accurately identify violators, and violations are difficult to trace, and violators have a fluke mentality. It is impossible to alarm in a graded manner, lacks early warning functions, etc. When using infrared sensing electronic fences and machine vision recognition technology electronic fences at the same time, infrared sensing electronic fences can only operate in the infrared sensor sensing area, and the equipment installation is complicated, with small coverage and low flexibility. Machine recognition technology electronic fences are greatly affected by the environment and can only cover the camera coverage area, with small coverage and poor anti-interference ability.

[0003] In view of the above problems, it is urgently necessary to carry out innovative designs based on the original underground electronic fence. Summary of the invention

[0004] The purpose of the present invention is to provide an underground electronic fence and a creation method based on UWB technology, so as to solve the problems of the existing underground electronic fence proposed in the above background technology, such as prone to loopholes and negligence in security management, small coverage, low flexibility, and poor anti-interference ability. The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an underground electronic fence based on UWB technology, comprising a base, the base is placed in a corresponding area underground, and a mounting frame is slidably arranged in a cavity inside the base, and an adjusting rod is fixed on the outside of the mounting frame, the adjusting rod is locked by bolts and slidably arranged in a cavity on the side of the base, a mounting column is vertically rotatably arranged at the cavity inside the mounting frame, a sliding sleeve is slidably arranged on the mounting column, and a fence is rotatably installed on the inside of the sliding sleeve; It also includes a gear roller, which is rotatably mounted on the top of the base, and a camera is connected to the top of the gear roller through a mounting seat. An angle adjustment component is provided between the sliding sleeve and the top of the base, and the angle adjustment component is used to adjust the angle of the camera according to the width of the fence.

[0006] Preferably, the creation method comprises the following steps: S1: Based on the user's existing engineering data, a three-dimensional geographic information map is constructed to display the location, range and real-time status of the electronic fence, as well as the location and real-time status of the coal mining machine, support, and underground harmful gas safety monitoring device equipment; S2: Automatically create an electronic fence in the corresponding area based on the monitoring data of the coal mining machine, support, underground harmful gas safety monitoring device and user-defined fence rules; S3: Personnel identification cards, identification card searchers, and vehicle identification cards are used as the basis for setting up electronic fences. Signals are transmitted to the communication base station, and the identification cards are identified by the card reader. The camera and information mining lamp on the base are combined with AI video algorithms and convolutional neural network image detection algorithms to monitor personnel behavior. The underground ring network switch is used for data processing to build a base for collecting, transmitting, and collecting the underlying data of the product. S4: Connect the underlying data with the ground data processing center, and combine the system platform management with the database to form a complete set of data collection, transmission, collection, processing, analysis, push, display and feedback system; S5: Use UWB technology to accurately locate underground personnel, use AI video algorithm and convolutional neural network image detection algorithm to monitor personnel behavior, and then use database and 3D GIS technology to model underground tunnels.

[0007] Preferably, the communication base station, card reader and identification card searcher are all of mine intrinsically safe type. The communication base station is powered by a power supply, and the power supply adopts a mine explosion-proof and intrinsically safe DC regulated power supply. The mine intrinsically safe communication base station serves as the system data transmission hub, dominates the transmission of position, video and voice data, and is connected to the automatic monitoring system.

[0008] Preferably, the information mining lamp has lighting and positioning functions, and is connected to the AI ​​video algorithm background. The information mining lamp supports one-to-one calls and one-to-many intercoms.

[0009] Preferably, the vehicle identification card, personnel identification card and information mining lamp perform UWB communication with the mining intrinsically safe communication base station via a built-in UWB antenna, and the video, telephone and intercom data of the information mining lamp perform WiFi communication with the communication base station via a built-in WiFi antenna.

[0010] Preferably, the ground data processing center includes a backup machine, a host machine, a host computer and a ground core switch, the data is pushed through APP and mobile phone text messages, and the data display and feedback include smart phones, laptops, spliced ​​large screens and desktop computers.

[0011] Preferably, the system platform management includes application management, analysis model, indicator algorithm, GIS engine, operation and maintenance management, platform management, electronic fence management and alarm management, and the database includes business data and original data.

[0012] Preferably, the alarm management includes an alarm function, and the alarm function uses a mining intrinsically safe sound and light alarm as a carrier to issue an alarm.

[0013] Preferably, the angle adjustment assembly includes a guide rod, and the guide rod is fixed on the outside of the mounting column, the guide rod is located in a guide groove, and the guide groove is opened on the inner wall of the sliding sleeve, the top limiting sliding sleeve of the mounting column is provided with a connecting sleeve, and the connecting sleeve is rotatably installed on the top of the inner cavity of the base, the top sleeve of the connecting sleeve is provided with a gear, and the gear is meshed with a gear roller.

[0014] Preferably, the guide rod slides in the guide groove, and the guide groove is distributed in a spiral structure.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention, based on the advantages of wide coverage of UWB signals and no dead angles within the signal coverage, improves the coverage of electronic fences, can automatically create electronic fences in corresponding areas based on existing data and information in conjunction with user-defined fence rules, and has high flexibility. At the same time, with mine intrinsically safe communication base stations, mine intrinsically safe card reader substations, personnel identification cards, vehicle identification cards, mine intrinsically safe identification card search instruments, mine explosion-proof and intrinsically safe DC regulated power supplies, information mining lamps, mine intrinsically safe sound and light alarms, and underground industrial ring networks as carriers, builds a base for collecting, transmitting, and collecting product bottom-level data, docks with ground data centers, and combines system platform management with databases to form a complete set of data collection, transmission, collection, processing, analysis, push, display, and feedback systems; for newly added targets, only identification cards need to be installed to add electronic fences, which enhances the flexibility of electronic fences; based on the stability of UWB signal transmission, it can adapt to complex working conditions underground, has strong anti-interference ability, and is more convenient to monitor mobile targets; and at the same time, it has the functions of personnel identification, positioning, and violation tracing; 2. The present invention, in the basic entity protection formed by the base and the fence, can be applicable to protection targets of different widths and heights. At the same time, when adjusting the height, the angle of the camera can be adjusted synchronously to increase the monitoring range. The operation is simple, and only requires pulling the foundation horizontally. On this basis, the installation frame can be moved up and down by the adjustment rod to adjust the height of the fence. This type of adjustment will not affect the adjustment of the camera angle after the fence is unfolded, and the operation is convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front cross-section structure of the electronic fence of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the structure at A in the middle; Figure 3 For the present invention Figure 1 Schematic diagram of the structure at B in the middle; Figure 4 This is the overall framework diagram of the electronic fence creation method of the present invention; Figure 5 It is a diagram of device data interaction of the electronic fence creation method of the present invention; Figure 6 This is a technical roadmap for the electronic fence creation method of the present invention.

[0017] In the figure: 1. base; 2. mounting frame; 3. adjusting rod; 4. mounting column; 5. sliding sleeve; 6. fence; 7. gear roller; 8. mounting seat; 9. camera; 101. guide rod; 102. guide groove; 103. connecting sleeve; 104. gear. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 6 The present invention provides a technical solution: an underground electronic fence based on UWB technology and a creation method, a base 1, a mounting frame 2, an adjustment rod 3, a mounting column 4, a sliding sleeve 5, a fence 6, a gear roller 7, a mounting seat 8, a camera 9, an angle adjustment component, a guide rod 101, a guide groove 102, a connecting sleeve 103 and a gear 104.

[0020] Example 1: Please refer to Figure 1-Figure 3, an underground electronic fence based on UWB technology, a base 1 is placed in a corresponding area underground, and a mounting frame 2 is slidably arranged in the inner cavity of the base 1, and an adjusting rod 3 is fixed on the outer side of the mounting frame 2, and the adjusting rod 3 is locked by bolts and slidably arranged in the side cavity of the base 1, a mounting column 4 is vertically rotatably arranged at the inner cavity of the mounting frame 2, and a sliding sleeve 5 is slidably arranged on the mounting column 4, and a fence 6 is rotatably installed inside the sliding sleeve 5; a toothed roller 7 is rotatably installed on the top of the base 1, and a camera 9 is connected to the top of the toothed roller 7 through a mounting seat 8; An angle adjustment component is provided between the sliding sleeve 5 and the top of the base 1, and the angle adjustment component is used to adjust the angle of the camera 9 according to the width of the fence 6; the angle adjustment component includes a guide rod 101, and the guide rod 101 is fixed to the outside of the mounting column 4, the guide rod 101 is located in the guide groove 102, and the guide groove 102 is provided on the inner wall of the sliding sleeve 5, the guide rod 101 fits and slides in the guide groove 102, and the guide groove 102 is distributed in a spiral structure, the top limit sliding sleeve of the mounting column 4 is provided with a connecting sleeve 103, and the connecting sleeve 103 is rotatably installed on the top of the inner cavity of the base 1, and the top sleeve of the connecting sleeve 103 is provided with a gear 104, and the gear 104 is meshed with the gear roller 7; When in use, according to the enclosure range, pull the two bases 1 so that the fence 6 is forced to unfold, and the sliding sleeve 5 at the top of the edge of the fence 6 slides on the mounting column 4, and the mounting column 4 can be driven to rotate through the guide rod 101 and the guide groove 102. The mounting column 4 drives the gear 104 to rotate through the connecting sleeve 103, and the gear 104 drives the gear roller 7 to rotate, and then drives the mounting seat 8 and the camera 9 to rotate. The angle of the camera 9 is adjusted according to the width of the fence 6 to increase the monitoring range. At the same time, the mounting frame 2 can be pushed upward by the adjusting rod 3 and fixed by bolts to adjust the height of the fence 6 on the mounting frame 2. At this time, the mounting column 4 slides vertically in the connecting sleeve 103 and will not affect the subsequent synchronous rotation.

[0021] Example 2: Based on Example 1, please refer to Figure 4-Figure 6 ,The underground electronic fence creation method based on UWB technology includes the following steps: S1: Based on the user's existing engineering data, a three-dimensional geographic information map is constructed to display the location, range and real-time status of the electronic fence, as well as the location and real-time status of the coal mining machine, support, and underground harmful gas safety monitoring device equipment; S2: Automatically create an electronic fence in the corresponding area based on the monitoring data of the coal mining machine, support, underground harmful gas safety monitoring device and user-defined fence rules; S3: Personnel identification cards, identification card searchers, and vehicle identification cards are used as the basis for setting up electronic fences. Signals are transmitted to the communication base station, and the identification cards are identified by the card reader. The camera and information mining lamp on the base are combined with AI video algorithms and convolutional neural network image detection algorithms to monitor personnel behavior. The underground ring network switch is used for data processing to build a base for collecting, transmitting, and collecting the underlying data of the product. S4: Connect the underlying data with the ground data processing center, and combine the system platform management with the database to form a complete set of data collection, transmission, collection, processing, analysis, push, display and feedback system; S5: Use UWB technology to accurately locate underground personnel, use AI video algorithm and convolutional neural network image detection algorithm to monitor personnel behavior, and then use database and 3D GIS technology to model underground tunnels.

[0022] The communication base station, card reader and identification card searcher are all of mine intrinsically safe type. The communication base station is powered by a power supply, and the power supply adopts a mine-grade flameproof and intrinsically safe DC regulated power supply. The mine intrinsically safe communication base station serves as the system data transmission hub, leading the transmission of position, video and voice data, and is connected to the automatic monitoring system.

[0023] The information mining lamp has lighting and positioning functions, and is connected to the AI ​​video algorithm background. The information mining lamp supports one-to-one calls and one-to-many intercoms.

[0024] The vehicle identification card, personnel identification card and information mining lamp communicate with the mine intrinsically safe communication base station via UWB through the built-in UWB antenna, and the video, telephone and intercom data of the information mining lamp communicate with the communication base station via WiFi through the built-in WiFi antenna.

[0025] The ground data processing center includes a backup machine, a host machine, a host computer and a ground core switch. Data is pushed through APP and mobile phone text messages. Data display and feedback include smart phones, laptops, spliced ​​large screens and desktop computers.

[0026] System platform management includes application management, analysis models, indicator algorithms, GIS engines, operation and maintenance management, platform management, electronic fence management and alarm management. The database includes business data and raw data.

[0027] Alarm management includes the alarm function, which uses the mining intrinsically safe sound and light alarm as the carrier to send out the alarm.

[0028] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. In the description of the present invention, unless otherwise specified, "multiple" means two or more; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An underground electronic fence based on UWB technology, comprising a base (1), the base (1) being placed in a corresponding area underground, and a mounting frame (2) being slidably arranged in a cavity inside the base (1), and an adjusting rod (3) being fixed on the outside of the mounting frame (2), the adjusting rod (3) being locked by bolts and slidably arranged in a cavity on the side of the base (1), a mounting column (4) being vertically rotatably arranged in the cavity inside the mounting frame (2), a sliding sleeve (5) being slidably arranged on the mounting column (4), and a fence (6) being rotatably arranged on the inside of the sliding sleeve (5); Features: It also includes a toothed roller (7), which is rotatably mounted on the top of the base (1), and the top of the toothed roller (7) is connected to a camera (9) via a mounting seat (8), and an angle adjustment component is provided between the sliding sleeve (5) and the top of the base (1), and the angle adjustment component is used to adjust the angle of the camera (9) according to the width of the fence (6) when it is pulled out.

2. The underground electronic fence based on UWB technology according to claim 1, characterized in that: The angle adjustment assembly comprises a guide rod (101), and the guide rod (101) is fixed on the outside of the mounting column (4), the guide rod (101) is located in a guide groove (102), and the guide groove (102) is formed on the inner wall of the sliding sleeve (5), the top limit sliding sleeve of the mounting column (4) is provided with a connecting sleeve (103), and the connecting sleeve (103) is rotatably mounted on the top of the inner cavity of the base (1), and the top sleeve of the connecting sleeve (103) is provided with a gear (104), and the gear (104) is meshed with a gear roller (7).

3. The underground electronic fence based on UWB technology according to claim 2 is characterized by: The guide rod (101) fits and slides in the guide groove (102), and the guide groove (102) is distributed in a spiral structure.

4. A method for creating an underground electronic fence based on UWB technology, applicable to the underground electronic fence based on UWB technology described in claim 3, characterized in that: The creation method comprises the following steps: S1: Based on the user's existing engineering data, a three-dimensional geographic information map is constructed to display the location, range and real-time status of the electronic fence, as well as the location and real-time status of the coal mining machine, support, and underground harmful gas safety monitoring device equipment; S2: Automatically create an electronic fence in the corresponding area based on the monitoring data of the coal mining machine, support, underground harmful gas safety monitoring device and user-defined fence rules; S3: Personnel identification cards, identification card searchers, and vehicle identification cards are used as the basis for setting up electronic fences. Signals are transmitted to the communication base station, and the identification cards are identified by the card reader. The camera and information mining lamp on the base are combined with AI video algorithms and convolutional neural network image detection algorithms to monitor personnel behavior. The underground ring network switch is used for data processing to build a base for collecting, transmitting, and collecting the underlying data of the product. S4: Connect the underlying data with the ground data processing center, and combine the system platform management with the database to form a complete set of data collection, transmission, collection, processing, analysis, push, display and feedback system; S5: Use UWB technology to accurately locate underground personnel, use AI video algorithm and convolutional neural network image detection algorithm to monitor personnel behavior, and then use database and 3D GIS technology to model underground tunnels.

5. The method for creating an underground electronic fence based on UWB technology according to claim 4 is characterized in that: The communication base station, card reader and identification card searcher are all of mine intrinsically safe type. The communication base station is powered by a power supply, and the power supply adopts a mine-use explosion-proof and intrinsically safe DC regulated power supply. The mine intrinsically safe communication base station serves as the system data transmission hub, dominates the transmission of position, video and voice data, and is connected to the automatic monitoring system.

6. The method for creating an underground electronic fence based on UWB technology according to claim 5 is characterized in that: The information mining lamp has lighting and positioning functions, and is connected to the AI ​​video algorithm background. The information mining lamp supports one-to-one calls and one-to-many intercoms.

7. The method for creating an underground electronic fence based on UWB technology according to claim 6 is characterized in that: The vehicle identification card, personnel identification card and information mining lamp perform UWB communication with the mining intrinsically safe communication base station via the built-in UWB antenna, and the video, telephone and intercom data of the information mining lamp perform WiFi communication with the communication base station via the built-in WiFi antenna.

8. The method for creating an underground electronic fence based on UWB technology according to claim 7 is characterized in that: The ground data processing center includes a backup machine, a host machine, a host computer and a ground core switch. The data is pushed through APP and mobile phone text messages. The data display and feedback include smart phones, laptops, spliced ​​large screens and desktop computers.

9. The method for creating an underground electronic fence based on UWB technology according to claim 8, characterized in that: The system platform management includes application management, analysis model, indicator algorithm, GIS engine, operation and maintenance management, platform management, electronic fence management and alarm management, and the database includes business data and original data.

10. The method for creating an underground electronic fence based on UWB technology according to claim 9, characterized in that: The alarm management includes an alarm function, and the alarm function uses a mining intrinsically safe sound and light alarm as a carrier to issue an alarm.

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