Intelligent coal bunker safety monitoring and early warning system and working method thereof

Abstract

The invention discloses an intelligent coal bunker safety monitoring and early warning system and a working method thereof. The system comprises a camera group, a sensor group, audible and visual alarms (a mining intrinsic safety type audible and visual alarm and a ground audible and visual alarm), a mining flame-proof and intrinsic safety type control box and a ground monitoring center (capable of monitoring a host and a ground central control room). The working method comprises the steps of S1, data acquisition and transmission, S2, data analysis and early warning, S3, on-site alarm triggering and S4, ground monitoring response. The invention aims to improve the monitoring efficiency and accuracy, enhance the safety early warning capability, optimize the coal bunker pipe, reduce the labor cost and improve the working environment.

Description

Technical Field

[0001] The present invention relates to the fields of intelligent monitoring of coal bunkers in mines, Internet of Things (IoT) technology and safety protection technology, and in particular to an intelligent coal bunker safety monitoring and early warning system and a working method thereof. Background Art

[0002] With the rapid development and technological progress of the coal mining industry, coal bunkers, as an important link in coal production and transportation, are receiving more and more attention for their safety. Traditional coal bunker management relies heavily on manual operation and monitoring, which has problems such as low efficiency, slow response, and difficulty in timely detection of safety hazards. Especially in underground environments, due to the narrow space and harsh environment, manual inspections are difficult to achieve full coverage, resulting in frequent accidents such as coal bunker blockage and bunker collapse, which seriously threatens the lives and production efficiency of miners.

[0003] In recent years, with the application of new technologies such as the Internet of Things, big data, and artificial intelligence, intelligent monitoring systems have gradually become one of the effective means to improve the safety management level of coal mines. For example, relevant documents clearly propose to use high-tech means such as AI video intelligent assisted supervision and inspection systems to strengthen risk control in key areas of coal mines and non-coal mines. There are also relevant documents that emphasize the importance of coal bunker safety management, requiring the acceleration of the implementation of remote control transformation of coal feeders at the bottom of coal bunkers, the promotion of the use of video AI foreign body recognition technology, the reasonable determination of coal storage locations, and ensuring coal bunker safety. In this context, it is particularly necessary to develop a coal bunker monitoring system that integrates a variety of advanced technologies and equipment. Summary of the invention

[0004] The present invention aims to provide an intelligent coal bunker safety monitoring and early warning system and its working method, aiming to improve monitoring efficiency and accuracy, enhance safety early warning capabilities, optimize coal bunker management, reduce labor costs, and improve the working environment.

[0005] In order to achieve the above object, the technical solution of the present invention is: An intelligent coal bunker safety monitoring and early warning system at least includes: The camera group is a front-end reasoning camera that monitors abnormal conditions in the coal bunker in real time and issues alarm signals; Sensor group, each sensor group includes at least one intrinsically safe smoke sensor for mining, one intrinsically safe methane sensor for mining, one intrinsically safe dust concentration sensor for mining, one intrinsically safe carbon monoxide sensor for mining, and one intrinsically safe radar level scanner for mining, which monitor the abnormal conditions of coal bunkers in real time and upload the monitoring data; Sound and light alarms, including at least mine intrinsically safe sound and light alarms used underground and ground sound and light alarms placed in the ground control room; Mine flameproof and intrinsically safe control box; receives monitoring data from the sensor group and camera group and uploads it to the ground monitoring center, and sends it to the mine intrinsically safe sound and light alarm when the ground monitoring center issues a command, and the mine intrinsically safe sound and light alarm issues an alarm command; Ground monitoring center, including: An intelligent monitoring host, placed on the ground to receive data uploaded by the mine flameproof and intrinsically safe control box, generate instructions and transmit the instructions through the mine flameproof and intrinsically safe control box; and The ground control room is set up on the ground to place ground sound and light alarms to receive alarm information.

[0006] As an improvement to the above technical solution, the camera group includes at least one mine-used intrinsically safe alarm camera for personnel intrusion monitoring, which is used to transmit image data and alarm signals respectively; at least one mine-used intrinsically safe thermal imaging camera for equipment overtemperature detection; and at least one mine-used intrinsically safe high-speed camera for foreign object detection on the upper belt conveyor of the coal bunker.

[0007] The mine intrinsically safe radar level scanner is connected to the mine explosion-proof and intrinsically safe control box through a flame-retardant network cable for coal mines, and transmits real-time 3D rendering images of the coal bunker through the network; the mine intrinsically safe smoke sensor, mine intrinsically safe methane sensor, mine intrinsically safe dust concentration sensor, and mine intrinsically safe carbon monoxide sensor are connected to the mine explosion-proof and intrinsically safe control box through a mine communication cable, and transmit sensor data in real time through the RS485 communication protocol.

[0008] As an improvement to the above technical solution, the camera group is connected to the mine explosion-proof and intrinsically safe control box through a flame-retardant network cable for coal mines or a mine communication cable to transmit image data and alarm signals; the mine intrinsically safe sound and light alarm is connected to the mine explosion-proof and intrinsically safe control box through a mine communication cable.

[0009] As an improvement to the above technical solution, the mine-use explosion-proof and intrinsically safe control box is connected to the intelligent monitoring host through a flame-retardant network cable for coal mines. The intelligent monitoring host is connected to the ground sound and light alarm of the ground control room via a universal serial bus, receives the alarm signal from the mine-use explosion-proof and intrinsically safe control box forwarded by the intelligent monitoring host, and triggers the alarm.

[0010] As an improvement to the above technical solution, the present invention also provides a working method based on the above intelligent coal bunker safety monitoring and early warning system, the steps of the working method are: S1, data collection and transmission; Assume that S represents the sensor group data set, V represents the video data of the camera group, C represents the mine flameproof and intrinsically safe control box, and G represents the intelligent monitoring host, then: C(S,V)→G; The above formula indicates that the mine flameproof and intrinsically safe control box C collects the sensor group data S and the video data V of the camera group, and transmits these data to the ground monitoring center G; S2, data analysis and early warning; Assume T i is the safety threshold of the i-th type of sensor data, D i It is the sensor data of the i-th type actually measured, A represents the alarm signal, H represents the intelligent monitoring host, and L represents the intrinsically safe sound and light alarm for mining.

[0011] If D i >T i then C→(L,H):A The above formula indicates that if any sensor data D i Exceeds its corresponding safety threshold T i , then the mine flameproof and intrinsically safe control box C sends an alarm signal A to the mine intrinsically safe sound and light alarm L and the intelligent monitoring host H; S3, on-site alarm triggering; L(A)→Activate Alarm The above formula indicates that when the mine intrinsically safe sound and light alarm L receives the alarm signal A, the alarm is activated.

[0012] S4, ground monitoring response; Assume that R represents the ground sound and light alarm in the ground control room.

[0013] H(A)→R:A The above formula indicates that after the intelligent monitoring host H receives the alarm signal A, it sends the same alarm signal A to the ground sound and light alarm R in the ground control room to trigger the ground alarm.

[0014] Compared with the prior art, the present invention has the following advantages and positive effects: 1. High safety: By integrating a variety of advanced sensors and smart cameras, it can comprehensively monitor the internal environment of the coal bunker, timely discover and warn of potential safety hazards, such as gas leakage, coal dust explosion risks, foreign body intrusion, etc., greatly improving the safety level of coal mine operations.

[0015] 2. High efficiency: The AI ​​video intelligent analysis technology can automatically identify abnormal conditions at the top of the coal bunker, such as large pieces of coal gangue, foreign objects, and illegal entry of personnel, reducing the workload of manual inspections and improving monitoring efficiency and accuracy.

[0016] 3. Real-time: The system can collect environmental data and video information inside and outside the coal bunker in real time, and quickly transmit it to the ground monitoring center through the mine explosion-proof and intrinsically safe control box, ensuring that management personnel can understand the status of the coal bunker at the first time and respond quickly.

[0017] 4. Intelligent early warning: When the monitored data exceeds the preset safety threshold, the system can automatically trigger local and ground sound and light alarms to alert on-site and remote management personnel to avoid accidents.

[0018] 5. Energy saving and environmental protection: By rationally regulating the storage capacity of the coal bunker, energy waste caused by overfilling can be avoided, while unnecessary ventilation times can be reduced, which helps save energy and reduce operating costs.

[0019] 6. Easy to expand: The system is flexibly designed and can be customized and expanded according to the actual needs of different coal mines, such as adding more types of sensors or smart cameras to meet the requirements of specific application scenarios.

[0020] 7. Improve work efficiency: Replacing traditional manual inspection methods with automated monitoring and early warning mechanisms can not only improve work efficiency, but also ensure the accuracy and reliability of data, providing scientific decision-making basis for coal mining enterprises.

[0021] 8. Strong adaptability: It is suitable for various complex and changeable mine environments. Whether it is a newly built or renovated coal bunker, the system can be easily deployed and used. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a schematic diagram of the intelligent coal bunker safety monitoring and early warning system and system composition of the present invention. DETAILED DESCRIPTION

[0024] 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, any modifications, equivalent substitutions, improvements, etc., should be included in the protection scope of the present invention.

[0025] like Figure 1 As shown, this embodiment discloses an intelligent coal bunker safety monitoring and early warning system, including: The camera group includes at least one mine intrinsically safe alarm camera for personnel intrusion monitoring; at least one mine intrinsically safe thermal imaging camera for equipment over-temperature detection; at least one mine intrinsically safe high-speed camera for foreign body detection on the belt conveyor at the top of the coal bunker. The camera should be equipped with a mine intrinsically safe power supply to ensure its functional realization requirements. All cameras included in the camera group are front-end reasoning cameras, which can realize alarm and send alarm signals through front-end reasoning.

[0026] Sensor groups, each sensor group includes at least one mine intrinsically safe smoke sensor, one mine intrinsically safe methane sensor, one mine intrinsically safe dust concentration sensor, one mine intrinsically safe carbon monoxide sensor, and one mine intrinsically safe radar level scanner, which monitors the abnormal conditions of the coal bunker in real time and uploads the monitoring; the sensors should be equipped with a mine intrinsically safe power supply to ensure that their functions can be realized.

[0027] Sound and light alarms, including at least mine intrinsically safe sound and light alarms used underground and ground sound and light alarms placed in the ground control room; Mine flameproof and intrinsically safe control box; receives monitoring data from the sensor group and camera group and uploads it to the ground monitoring center, and sends it to the mine intrinsically safe sound and light alarm when the ground monitoring center issues a command, and the mine intrinsically safe sound and light alarm issues an alarm command; Ground monitoring center, including: An intelligent monitoring host, placed on the ground to receive data uploaded by the mine flameproof and intrinsically safe control box, generate instructions and transmit the instructions through the mine flameproof and intrinsically safe control box; and The ground control room is set up on the ground to place ground sound and light alarms to receive alarm information.

[0028] The mine intrinsically safe radar level scanner is connected to the mine flameproof and intrinsically safe control box through a flame-retardant network cable for coal mines; the mine intrinsically safe smoke sensor, mine intrinsically safe methane sensor, mine intrinsically safe dust concentration sensor, and mine intrinsically safe carbon monoxide sensor are connected to the mine flameproof and intrinsically safe control box through a mine communication cable, and the sensor data is transmitted in real time through the RS485 communication protocol. The camera group is connected to the mine flameproof and intrinsically safe control box through a coal mine flame-retardant network cable or a mine communication cable to transmit image data and alarm signals; the mine intrinsically safe sound and light alarm is connected to the mine flameproof and intrinsically safe control box through a mine communication cable, and the mine flameproof and intrinsically safe control box is connected to the intelligent monitoring host through a coal mine flame-retardant network cable, and the intelligent monitoring host is connected to the ground sound and light alarm universal serial bus of the ground control room, and receives the alarm signal sent by the mine flameproof and intrinsically safe control box forwarded by the intelligent monitoring host, and triggers the alarm.

[0029] The working method of the above intelligent coal bunker safety monitoring and early warning system is: S1, data collection and transmission; Assume that S represents the sensor group data set, V represents the video data of the camera group, C represents the mine flameproof and intrinsically safe control box, and G represents the intelligent monitoring host, then: C(S,V)→G; The above formula indicates that the mine flameproof and intrinsically safe control box C collects the sensor group data S and the video data V of the camera group, and transmits these data to the ground monitoring center G; S2, data analysis and early warning; Assume T i is the safety threshold of the i-th type of sensor data, D i It is the sensor data of the i-th type actually measured, A represents the alarm signal, H represents the intelligent monitoring host, and L represents the intrinsically safe sound and light alarm for mining.

[0030] If D i >T i then C→(L,H):A The above formula indicates that if any sensor data D i Exceeds its corresponding safety threshold T i , then the mine flameproof and intrinsically safe control box C sends an alarm signal A to the mine intrinsically safe sound and light alarm L and the intelligent monitoring host H; S3, on-site alarm triggering; L(A)→Activate Alarm The above formula indicates that when the mine intrinsically safe sound and light alarm L receives the alarm signal A, the alarm is activated.

[0031] S4, ground monitoring response; Assume that R represents the ground sound and light alarm in the ground control room.

[0032] H(A)→R:A The above formula indicates that after the intelligent monitoring host H receives the alarm signal A, it sends the same alarm signal A to the ground sound and light alarm R in the ground control room to trigger the ground alarm.

Claims

1. An intelligent coal bunker safety monitoring and early warning system, characterized in that: include The camera group is a front-end reasoning camera that monitors abnormal conditions in the coal bunker in real time and issues alarm signals; Sensor group, each sensor group includes at least one intrinsically safe smoke sensor for mining, one intrinsically safe methane sensor for mining, one intrinsically safe dust concentration sensor for mining, one intrinsically safe carbon monoxide sensor for mining, and one intrinsically safe radar level scanner for mining, which monitor the abnormal conditions of coal bunkers in real time and upload the monitoring data; Sound and light alarms, including at least mine intrinsically safe sound and light alarms used underground and ground sound and light alarms placed in the ground control room; Mine flameproof and intrinsically safe control box; receives monitoring data from the sensor group and camera group and uploads it to the ground monitoring center, and sends it to the mine intrinsically safe sound and light alarm when the ground monitoring center issues a command, and the mine intrinsically safe sound and light alarm issues an alarm command; Ground monitoring center, including: An intelligent monitoring host, placed on the ground to receive data uploaded by the mine flameproof and intrinsically safe control box, generate instructions and transmit the instructions through the mine flameproof and intrinsically safe control box; and The ground control room is set up on the ground to place ground sound and light alarms to receive alarm information.

2. The intelligent coal bunker safety monitoring and early warning system according to claim 1 is characterized in that: The camera group includes at least one intrinsically safe alarm camera for mining, at least one intrinsically safe thermal imaging camera for mining, and at least one intrinsically safe high-speed camera for mining.

3. The intelligent coal bunker safety monitoring and early warning system as claimed in claim 2 is characterized by: The camera group is connected to the mine explosion-proof and intrinsically safe control box through a flame-retardant network cable for coal mines or a mine communication cable to transmit image data and alarm signals; the mine intrinsically safe sound and light alarm is connected to the mine explosion-proof and intrinsically safe control box through a mine communication cable.

4. The intelligent coal bunker safety monitoring and early warning system as claimed in claim 3 is characterized by: The mine-use flameproof and intrinsically safe control box is connected to the intelligent monitoring host through a flame-retardant network cable for coal mines. The intelligent monitoring host is connected to the ground sound and light alarm of the ground control room via a universal serial bus, receives the alarm signal sent by the mine-use flameproof and intrinsically safe control box forwarded by the intelligent monitoring host, and triggers the alarm.

5. A working method of the intelligent coal bunker safety monitoring and early warning system according to any one of claims 1 to 4, characterized in that: The steps of this working method are: S1, data collection and transmission; Assume that S represents the sensor group data set, V represents the video data of the camera group, C represents the mine flameproof and intrinsically safe control box, and G represents the intelligent monitoring host, then: C(S,V)→G; indicates that the mine flameproof and intrinsically safe control box C collects the sensor group data S and the video data V of the camera group, and transmits these data to the ground monitoring center G; S2, data analysis and early warning; set up T i is the safety threshold of the i-th type of sensor data, D i is the actual measured data of the i-th sensor, A represents the alarm signal, H represents the intelligent monitoring host, and L represents the mine intrinsically safe sound and light alarm; then: If D i >T i then C→(L,H):A; means if any sensor data D i Exceeds its corresponding safety threshold T i , then the mine flameproof and intrinsically safe control box C sends an alarm signal A to the mine intrinsically safe sound and light alarm L and the intelligent monitoring host H; S3, on-site alarm triggering; L(A)→Activate Alarm; indicates that when the mine intrinsically safe sound and light alarm L receives the alarm signal A, the alarm is activated; S4, ground monitoring response; Assume that R represents the ground sound and light alarm in the ground control room, then H(A)→R:A; it means that after the intelligent monitoring host H receives the alarm signal A, it sends the same alarm signal A to the ground sound and light alarm R in the ground control room, triggering the alarm.

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