采用标称容量的基本分析原理,研究了矿井带状应急救援无线Mesh网络在不同路由方式下的链路预期流量与不同射频接口配置下的瓶颈冲突域分布情况,进而提出了矿井带状应急救援无线Mesh网络的标称容量模型.基于所提出的模型,仿真分析了射频接口数目、信道分配方式、路由方式以及Mesh AP节点数目与网络部署距离对矿井带状应急救援无线Mesh网络标称容量的影响.研究结果表明:该模型利用矿井带状应急救援无线Mesh网络数据流的汇聚特点,缩小了瓶颈冲突域的搜索范围,降低了标称容量分析的计算复杂度,为矿井带状应急无线Mesh网络的规划设计提供了理论依据. Based on the basic principle of nominal capacity, this paper studies the distribution of bottleneck conflicts under the different routing modes of the mine band emergency rescue wireless mesh network and the different RF interface configurations, and then puts forward the mine band emergency rescue Based on the proposed model, the number of radio frequency interfaces, the channel allocation, the routing method, the number of mesh AP nodes and the deployment distance of network are analyzed to evaluate the nominal capacity of wireless Mesh network .The results show that the model narrows the search scope of bottleneck conflict domain and reduces the computational complexity of nominal capacity analysis by utilizing the convergent characteristics of mine band emergency rescue wireless mesh network data flow, Network planning and design provides a theoretical basis.