针对监测煤矿环境参数的需求，提出了一个完整的分布式传感器网络解决方案。首先描述了传感器网络拓扑结构，然后按照HART传感器网络总线的物理层、数据链路层、应用层的三层协议架构阐述了研究方案。方案包括调制解调模块和USB接口等组成部分的设计，获得了实用新型专利，且该产品运行稳定、准确。%According to the requirement of coal mine environmental parameters monitoring,a complete solution of distributed sensor network is proposed. The topology structure of the sensor network is described. And then the research scheme according to the protocol architectures of physical layer,data link layer,application layer of the HART sensor network bus is described. This scheme includes the design of modulating and demodulating module,USB interface,and other components. The scheme has obtained the patent for utility model,and its product has stable and accurate operation.
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