GB/T 47461-2026Requirements for the architecture of intelligent coal mine systems (English PDF)

6.1 Basic Requirements

6.1.1 The intelligent network architecture for coal mines, as shown in Figure 3, should comply with the relevant technical requirements of GB 50215 and GB/T 51272, and is divided into external... Networks and coal seam networks.

6.1.2 The external network should include the interconnection between the coal mine and the superior management platform, government regulatory platform, cloud service platform, or operator network. part.

6.1.3 The coal mine network should include a core mining network and an integrated bearer network (convergence layer, surface communication layer, and underground communication layer), ensuring... To ensure unified communication capabilities with low latency, high reliability, and controllable isolation across multiple scenarios in coal mines.

6.2 External Network

6.2.1 The external network should have cloud service, AI application and model service, data warehouse and data lake service, and regulatory interface functions, and should support communication with... Interconnection and interoperability of centralized or distributed core networks ensures secure interface between control functions such as AMF, SMF, PCF, and UDM and the core network, and has... It features a unified security strategy and cross-domain data collaboration mechanism to achieve business interconnection and closed-loop management.

6.2.2 The construction of the cloud service platform shall be implemented in accordance with the deployment scheme in GB/T 37739 and shall meet the following requirements.

a) The centralized cloud service platform should be built by the superior management network and should be capable of supporting unified management, data analysis, and intelligent decision-making. ability;

b) Edge computing nodes should be deployed in coal mine layers according to specific scenarios to undertake local real-time business data processing tasks and possess network adaptability. Response capacity and system real-time performance.

6.2.3 AI applications and model services should provide capabilities for model training, model management, online inference, and batch offline inference; and support model version management. Management, performance monitoring, and rollback mechanisms.

6.2.4 Data warehouse and data lake services should support centralized storage and querying of structured, semi-structured, and large object (video, image) data. It provides metadata catalog, data lineage, data governance, ETL/ELT pipeline, and batch/stream integration capabilities.

6.2.5 The regulatory interface should provide standardized data exchange interfaces with government regulatory platforms and industry regulatory systems (including real-time streaming reporting and...). Regular reports are supported, including audit log export, event alarm reporting, and data retention and data anonymization/de-identification strategies that meet regulatory requirements.

6.3 Mining Core Network

6.3.1 The mining core network should serve as the core domain within the integrated bearer network, oriented towards production control and business support in the mining area, responsible for business access, resources, and other aspects. Source scheduling, security management, and service orchestration.

6.3.2 Business Access. Ensure secure and reliable access to the core domain for various production, monitoring, operation and maintenance, and regulatory applications; support multiple access methods. (5G/WLAN/wired, etc.) and compatible with IPv4/IPv6, implementing hierarchical access and priority policies according to service category; prioritizing latency-sensitive services. First, it is carried out at the edge (MEC/local UPF), providing standardized interfaces (API/messages/video streams) and access authentication mechanisms.

6.3.3 Resource Scheduling. Implement differentiated allocation and elastic scaling among network, computing, and storage resources to ensure eMBB/URLLC/mMTC performance. Performance requirements of services such as end-to-end QoS, resource isolation (slicing/VRF/VLAN), TSN/clock synchronization and other deterministic capabilities, and It has load balancing and degradation strategies in case of failure.

6.3.4 Service Orchestration. Provides automated service and network function orchestration capabilities to enable application/model deployment, scaling, version management, and... Edge-cloud collaboration. The orchestration platform should support programmable interfaces, closed-loop observation and alarm mechanisms, and integrate with operations, CI/CD/MLOps processes to improve efficiency. Response and recovery efficiency.

6.4 Integrated Bearer Network

6.4.1 The integrated bearer network shall comply with the information collaboration architecture requirements in GB/T 34679, and uniformly bear various production, scheduling, safety, and management functions of the coal mine. Data traffic of systems such as data processing.

6.4.2 The integrated bearer network should be able to simultaneously carry multiple services such as voice, video, data acquisition, and control signals. The network should support multiple connection standards. It possesses capabilities for service isolation, resource scheduling, and Quality of Service (QoS) assurance to meet the bandwidth, latency, and reliability requirements of different services. Differentiated needs.

6.4.3 The integrated bearer network shall include a convergence layer, a surface communication layer, and an underground communication layer, with the following requirements.

a) The convergence layer is responsible for distributing mining operations, edge computing, and data aggregation. It should interface with the mining core network to achieve seamless connection between the surface and the well. Unified scheduling and data aggregation of communication resources. 1) Service Distribution. Identify, classify, and schedule access traffic, prioritizing it for distribution to the edge or upper layers, providing protocol conversion and northbound routing. interface; 2) Edge Computing. Hosting latency-sensitive and closed-loop tasks on MEC/local UPF, supporting model deployment and edge-cloud collaboration, ensuring... Local availability; 3) Data Aggregation. Local preprocessing, caching, and compression of large object data, followed by batch/streaming uploads to the data lake/cloud according to strategies, providing a unified... Observation and alerts.

b) The ground communication layer consists of the application layer and the transport layer, and is responsible for data transmission, control command issuance, and information transmission for various ground-based business systems. Information interaction function. 1) Application Layer. Supports various business functions including production, scheduling, video surveillance, office and living environments, enabling coal mine surface production management and equipment... The system provides a unified data interface and sharing mechanism for operation and maintenance, dispatching and command, security monitoring, and logistics support. Information sharing and collaboration between different business systems improve management efficiency and comprehensive service capabilities; 2) Transport Layer. Employing a combined wired and wireless coverage method, it provides a highly reliable communication channel for the application layer. Wired access should... Industrial Ethernet ring networks, F5G, and PON technologies are adopted to achieve wired terminal access and transmission; open-pit coal mines and coal washing plants should... Prioritize fiber-to-the-site or near-end junction planning, and extend to industrial-grade Ethernet where necessary. Wireless access should adopt... Mobile devices can access the network using technologies such as mobile communication and WLAN; open-pit coal mines can use directional microwave backhaul or dedicated wireless... Line links serve as a supplement or backup to fiber optic cables. The transport layer should possess QoS control and link redundancy capabilities to ensure production scheduling and... Stable, secure, and continuous communication for critical business operations such as monitoring.

c) The underground communication layer consists of a transmission layer, an access layer, and an edge layer, and is the foundation supporting the operation of mining, tunneling, transportation, ventilation, and other systems. network. 1) Transmission Layer. Composed of a control ring network, a video ring network, and a security ring network. The control ring network supports real-time control during mining, tunneling, and other operations. The monitoring and identification services require low latency and high reliability; the video ring network carries monitoring, identification, and transmission tasks, ensuring high bandwidth and continuous video output. Continuity; safety ring networks are used for monitoring, personnel location, and emergency communications, emphasizing data reliability and link redundancy. Each ring network is interconnected. Service isolation and resource scheduling are achieved through network slicing and QoS policies, and redundant links are set up at key nodes to ensure smooth operation. Security and stability. 2) Access Layer. Supports industrial Ethernet, CAN bus, WiFi, 5G, LoRa, and other methods, and integrates network slicing to implement services. Classification and isolation. 3) Edge Layer. The control unit is responsible for local task execution and closed-loop control, enabling rapid response to equipment such as coal mining, transportation, and tunneling. The sensing component is responsible for the acquisition, fusion, and preprocessing of various data types, supporting status monitoring, anomaly detection, and intelligent operation. It can be analyzed.

6.4.4 The wired backbone ring network and wireless bearer ring network of the integrated bearer network should be constructed in an integrated manner to achieve unified planning and interconnection, and avoid duplication. Invest in and improve the efficiency of data exchange between devices. New bearer technologies with low latency and network slicing capabilities (such as...) should be selected based on requirements. TSN, SPN, etc., to meet the differentiated requirements of key businesses.

6.4.5 Open-pit coal mines and coal washing plants should prioritize the use of fiber optic or industrial-grade wireless backhaul as the backbone, while configuring backup links (dual links/rings). (Road or different transmission media).

6.4.6 Open-pit coal mines and coal washing plants should deploy edge computing (MEC) or local caching nodes according to business needs and should provide differentiated QoS guarantees. With redundant transmission capabilities, it supports local closed-loop control and data synchronization mechanisms to meet the requirements of video surveillance, real-time analysis, and high-reliability communication.

6.5 Network Security

6.5.1 Network security shall comply with the basic requirements of GB/T 22239 Security Level Protection and shall meet the requirements of Level Protection 2.0.

6.5.2 Network security requirements should be proposed in conjunction with the network architecture, including link security, access control, network isolation, and intrusion prevention; such as... For data centers, current graded protection and related information security standards should be followed, and consistency with the network architecture should be maintained. To enhance end-to-end security... Full competence should include.

a) Data security. Implement transmission and storage encryption according to data classification and grading principles, and establish backup and recovery mechanisms; cross-domain data... Data sharing should have access control and auditing;

b) Terminal security. Access devices should undergo device authentication and network access health checks, and firmware/patch management and least privilege configuration should be implemented. Key control terminals should have physical anti-tampering and integrity verification capabilities.

6.5.3 Network security shall meet the following requirements.

a) Security domains should be defined, and perimeter protection facilities such as firewalls, intrusion detection systems, APT detection systems, and VPNs should be deployed.

b) Access control, authentication, and encrypted transmission should be supported;

c) Network gateways or other security isolation and information exchange devices should be deployed between different security domains, such as production control networks and information management networks. This ensures the security and controllability of cross-domain data interaction.

6.5.4 All subsystems and mining terminals should be included in the information security protection system and protected in a tiered manner according to their business importance.

6.6 Network Management Function Requirements Network management should comply with the relevant provisions of GB/T 22239, and the platform should have comprehensive network management functions, including the following aspects.

a) Configuration Management. Enables unified configuration, change management, and policy distribution for network devices, ensuring the standardized use of network resources;

b) Performance Management. Monitor network operating status and key performance indicators, and support statistical analysis and optimized scheduling;

c) Fault Management. Promptly detect, locate, and handle network faults, provide alarm and recovery mechanisms, and ensure high network availability;

d) Security Management. Includes account access control, access auditing, device status monitoring, and log management to ensure network security. With controllability;

7.1 Basic Requirements

7.1.1 The architecture of the intelligent information platform for coal mines is shown in Figure

4.It should conform to the requirements of the basic architecture of smart mines in GB/T 34679, and realize the transformation from... Transparent management from the data perception and control layer, the data analysis and application layer to the decision-making layer; a unified, standardized, and open data resource system should be constructed. Ensure efficient and secure collaboration of data flow, control flow, and business flow between all levels. Books Books

7.1.2 The data resource system of the intelligent information platform architecture for coal mines should meet the requirements of data acquisition, data transmission, data storage, data processing, and data integration. Based on basic service needs.

a) Data acquisition should support the access of multi-source heterogeneous data, including sensor data, video streams, device status data, and business system data. And so on, and realize real-time, near real-time and batch data collection.

b) Data transmission should rely on industrial ring networks and wireless networks, adopt standardized communication protocols, and ensure data security during transmission. reliable.

c) Data storage should adopt a hierarchical storage approach, classifying and storing real-time data, historical data, and structured and unstructured data. It supports management and distributed storage as well as cloud storage.

d) Data processing should integrate data governance processes such as data cleaning, integration, transformation, and loading, and utilize big data analytics, machine learning, Technologies such as deep learning enable the extraction of value from data and its intelligent application.

e) Data services should provide data query, analysis, reporting, and model calling capabilities through a unified service interface to support various business operations. Rapid construction and iteration of application and decision support systems.

f) A data lifecycle management system should be established, specifying the storage period based on the data's value and purpose to ensure data validity and security. Safety and availability.

7.1.3 Quality management should be implemented for intelligent system software. Newly deployed intelligent system software or versions of intelligent system software have significant differences. The updated version should have its reliability, security, and compatibility metrics verified before being put into use.

7.2 Data Sensing and Control Layer

7.2.1 The data perception and control layer should include a field monitoring system, a production system and auxiliary systems, and a coal mine production collaborative control platform.

a) The on-site monitoring system should include an environmental sensing monitoring system, an equipment sensing monitoring system, and a personnel operation monitoring system, and collect data in real time. Information such as environmental parameters, equipment operating status, personnel work behavior, and safety status.

b) The production system and auxiliary system should realize the automated operation and remote control of the controlled equipment.

c) The coal mine production collaborative control platform should aggregate monitoring and control data from the on-site monitoring system, production system, and auxiliary systems. Includes data required by GB/T 34679 for sensing systems and industrial automation systems, covering multi-source data (video, audio, transmission). (Sensors, alarms, etc.) are initially integrated and collaboratively judged to achieve intelligent linkage control between the coal mine production system and auxiliary production system; Equipment, environmental, and control information shall be uploaded to the coal mine industry big data platform. Data transmission shall comply with MT/T 1202 (all parts). The encryption requirements in [the context].

7.2.2 The data perception and control layer should meet the requirements of the data resource system and realize two-way data interaction.

7.3 Data Analysis and Application Layer

7.3.1 The data analysis and application layer should include a coal mine industrial big data platform and a coal mine intelligent integrated management and control platform, and should preferably utilize big data technology. (Data mining, machine learning, large-scale models, etc.) Deeply mine the environmental, equipment, and personnel data collected by the data perception and control layer. analyze.

7.3.2 The coal mining industry big data platform should have functions such as data mining, data fusion, and correlation analysis.

7.3.3 The intelligent integrated management and control platform for coal mines serves as the unified entry point for business management and intelligent application services across the entire mine. It should include coal mine geographic information... It includes modules for information, production monitoring, equipment management, safety assurance, and business management, covering the comprehensive control and operation display of the entire mine's business system.

7.3.4 The data analysis and application layer should follow the standardized rules for coal mine job operations to implement various intelligent application operation processes and decision-making models. Definition and development.

7.3.5 The data analysis and application layer should utilize the coal mine industry big data platform to integrate the video and audio data collected by the data perception and control layer. Various production-related data, such as data from sensors and inspections, are provided to the decision-making level.

7.4 Decision-making level

7.4.1 The decision-making level should meet the relevant requirements of GB/T 37739 and should possess a data computing engine, model algorithm library, intelligent decision-making model training, and public... Features include company-level collaborative management and group-level comprehensive production indicator optimization.

7.4.2 The decision-making level should build a coal mine cloud service platform to receive data from the data analysis and application layer, train intelligent decision-making models, and transmit decision results. The results are then distributed to the data analysis and application layer to achieve closed-loop optimization and continuous learning.

8.2 Basic Platform

8.2.1 The basic platform should include a comprehensive management and control platform and a geological support system.

8.2.2 The integrated management and control platform shall be constructed according to a unified plan, forming a three-tiered cascaded system of mining groups, mining companies, and coal mines; it should support multi-level systems. Cascading management and hierarchical deployment enable interconnection with third-party management systems, allowing for the development and expansion of system functions through interfaces; this should be implemented across the entire mine. The well operation system integrates and manages operations, enabling full-process production monitoring, safety awareness and early warning, equipment linkage and fault diagnosis, emergency dispatch and management, and more. Intelligent application services such as source management and quality management.

8.2.3 The geological support system should integrate real-time data from geological geophysical exploration, drilling, surveying, and mining to construct a system that integrates geological and engineering data. A high-precision dynamic geological model enables transparency of mine geological information. Specifically, it should meet the following requirements.

a) The underground coal mine geological support system should have the capability to accurately detect geological anomalies, coal seam undulations, and coal seam thickness at the coal mining face. Functions such as real-time monitoring, dynamic model updates, geological model-based planning and cutting, and geological prediction and forecasting enable comprehensive understanding of coal mining geology. Minghua; possesses long-distance, high-precision detection or real-time monitoring capabilities for geological structures and hidden hazardous geological factors ahead of the tunneling face. It features functions such as measurement, dynamic model updating, geological model-based geological navigation, and geological prediction and forecasting, achieving transparency in tunneling geology; It features 3D visualization, analysis, display, and walkthrough capabilities for geological models;

b) The geological support system for open-pit coal mines should enable three-dimensional visualization of raw exploration data, production exploration data, and coal quality data. It also features high-precision geological model construction, real-time updates, geological prediction and forecasting, and visualization analysis based on geological models. Function.

8.3 Intelligent Production System

8.3.1 The intelligent coal mine production system mainly includes an intelligent coal mining system, an intelligent tunneling system, an intelligent main coal transport system, and an intelligent auxiliary transport system. Transportation system, open-pit intelligent blasting and drilling system, and open-pit intelligent mining and transportation system.

8.3.2 Intelligent production systems in coal mines should reserve standardized data interfaces for carbon emission monitoring to enable real-time data monitoring and government regulatory platforms. Data upload.

8.3.3 The intelligent coal mining system should construct intelligent coal mining faces of different modes based on coal seam occurrence conditions, working face design parameters, etc. 3D modeling of the working face, adaptive cutting of the coal mining machine, adaptive support of the hydraulic support, intelligent top coal caving, intelligent transportation of scraper conveyors, and remote control. It features centralized control and coordinated control of fully mechanized mining equipment groups, enabling mining with fewer personnel at the working face.

8.3.4 The intelligent tunneling system should possess the capabilities of 3D tunnel modeling, autonomous positioning and navigation, automatic equipment cutting and correction, remote centralized control, and real-time operation. The system includes functions such as monitoring and fault diagnosis, as well as automated operation and coordination of processes such as anchoring, enabling less manpower and efficient intelligent tunneling at the working face.

8.3.5 In addition to meeting the requirements of GB 51179, the intelligent main coal transport system should also adopt different methods according to different main coal transport modes. Intelligent transportation systems should meet the following requirements.

a) In mines using belt conveyors for transporting the main coal flow, the belt conveyor system should have single-machine automatic control and multi-machine coordinated operation capabilities. Automatic and remote centralized control, automatic coal balance, dust concentration detection and automatic spray dust suppression, operating condition monitoring and intelligent fault prediction. It should have functions such as alarm, intelligent identification of coal flow, intelligent detection of personnel wearing/operating in violation of regulations, electronic fence, and detection of large coal/piles. Functions such as intelligent identification and early warning of coal/foreign objects;

b) For mines using vertical shaft skips for coal hoisting, the hoisting system should have automated remote control capabilities and should have hoisting speed, Enhanced intelligent monitoring functions for weight and wire ropes should include intelligent loading and unloading capabilities, and should be intelligently integrated with the coal bunker discharge system. The control system should possess comprehensive intelligent protection functions.

8.3.6 In addition to meeting the requirements of GB 50533, intelligent assisted transportation systems shall also meet the following requirements.

a) The trackless rubber-tired vehicle auxiliary transportation system should have vehicle management, intelligent dispatching, auxiliary traffic light control, driver management, electronic fence, and Communication and navigation functions enable precise vehicle positioning and navigation, speed monitoring, stall protection, accurate command issuance, and transportation task scheduling. Distribution, vehicle-mounted video surveillance, material information monitoring, alarm management and emergency response;

b) Inclined shaft tracks and elevated passenger transport systems should utilize technologies such as precise positioning and intelligent video to ensure that pedestrians do not travel and vehicles do not travel. Manual and automatic turnout switching, as well as early warning and alarm functions;

c) The vertical shaft cage hoisting system should have automated control functions, including monitoring of hoisting speed, number of personnel to be hoisted, hoisting weight, and wire rope... Intelligent monitoring functions should include automatic passenger count recognition, and interlocking with the hoist when overcrowded.