煤矿智能化是煤炭工业高质量发展的核心技术支撑。数字孪生面向煤炭工业领域的互联互通及智能化应用，发挥连接物理世界和信息世界的桥梁与纽带作用，将在煤炭开采、视频监控、人机交互等方面提供更加实时、智能、高效的服务。面向智慧矿山技术需求，提出了基于数字孪生+5G的智慧矿山建设新思路，将“数字孪生+5G”与AI技术相结合，为实现智慧矿山提供一种创新的方法。首先从智慧矿山建设进展及应用方面存在的问题入手，系统地梳理和分析了当前智慧矿山研究和发展现状，通过研究新一代信息技术与工业技术融合应用，阐述了数字孪生的概念内涵，指出数字孪生是智慧矿山发展的必然趋势并将为智慧矿山赋能；然后针对智慧矿山建设的难点和痛点问题，提出了基于“数字孪生+5G”的智慧矿山体系架构理论，通过构建矿山数字孪生模型（MDTM）实现物理矿山实体与数字矿山孪生体之间的虚实映射与实时交互。聚焦智慧矿山建设目标，以智慧矿山系统建设、优化和关键技术为核心，基于矿山信息物理空间的数字孪生和深度学习方法，以实际矿井为原型设计了智能开采的数字孪生一体化方案，构建了全域感知、边缘计算、数据驱动和辅助决策的智慧矿山平台。最后针对智慧矿山的数字孪生应用需求，提出并探讨了数字孪生赋能智慧矿山的关键技术问题，并指出了未来需要实现的关键技术路径。本文旨在通过对智慧矿山的数字孪生技术研究，为数字孪生模型构建、协同控制与交互优化等提供思路，为未来智慧矿山建设与设计提供理论借鉴。

Coal mine intelligence is the core technical support for the high-quality development of coal industry.The digital twin is geared towards the interconnection and intelligent application in the field of coal industry, playing a role as a bridge and link connecting the physical world and the information world.It will provide more real-time, intelligent and efficient services in coal mining, video surveillance, human-computer interaction, etc.Faced with the demand of intelligent mine technology, a novel idea of intelligent mine construction based on digital twin and 5G was proposed, which combined “digital twin+5G” with AI technology to procide an innovative method for realizing smart mines.This paper started with the problems existing in the development and application of intelligent mines, systematically sorted out and analyzed the current research and development status of intelligent mines.By studying the fusion application of the new generation of information technology and the industrial application technology, this paper expounded the concept of digital twins, and pointed out that twinning was an inevitable trend in the development of smart mines and will empower smart mines.In light of the difficulties and issues in the construction of intelligent mines, the theory of smart mine systems architecture based on “digital twins+5G” was proposed.By constructing a digital mine twin model(MDTM), planning the digital twin data platform of mine physical-information space and designing the integrated scheme of digital twin in smart mines to realize virtual and real mapping and real-time interaction between physical mine entities and digital mine twins.Focusing on the goal of smart mine construction, with smart mine system construction, optimization, and key technologies as the core, based on the mine physics-information space twin data platform and deep learning algorithms, a digital twin integration scheme for intelligent mines was designed and constructed to establish global domain perception and edge computing,data-driven and decision-supported mine management platform.Finally,according to the digital twin application requirements of smart mines, the key technical issues of digital twin empowering intelligent mines were proposed and discussed.The purpose of this paper is to provide theoretical reference for the intelligent mines′construction and design in the future through the research of digital twin technology for smart mines.