目的 针对包裹运输实时状态监测的能源和续航问题，文中设计一种自供电物流环境监测系统以解决相应的续航问题。方法 分析公路运输车辆振动分布情况;设计一种电磁振动能量收集器和能量管理电路，建立能量收集器的物理和数学模型;通过仿真和实验对比文中提出的收集器的模型和实测的输出结果，并测试能量管理电路性能以及相应阻抗匹配分析。结果 收集器仿真结果和实测结果基本吻合，输出电压的峰值均高于1 V。文中提出的能量管理电路能够有效完成收集器输出电压的升压整流，与收集器配合后充电效率最高可达51.1%，阻抗匹配在1 kΩ时输出效果最优。 结论 文中提出的数学模型有效、可靠，且自供电物流环境监测系统方案有效提升了包裹实时监测的续航能力。

Aiming at the energy and endurance issues of real-time status monitoring of package transportation, this paper designs a self-powered logistics environment monitoring system. an electromagnetic vibration energy harvester and energy management circuit are designed and a physical and mathematical model of the energy harvester is established by analyzing the vibration distribution of road transport vehicles; through simulation and experiment, the model of the collector proposed in this paper is compared with the measured output results, and the performance of the energy management circuit and the corresponding impedance matching analysis are tested. The simulation results of the collector are basically consistent with the measured results, and the peak value of the output voltage is higher than 1 V. The energy management circuit proposed in the article can effectively complete the boost and rectification of the collector output voltage, and the charging efficiency can reach up to 51.1% when combined with the collector. the output effect is the best when the impedance matching is 1 kΩ. The mathematical model proposed in the article is effective and reliable, and the self-powered logistics environment monitoring system program effectively improves the feasibility of improving the endurance of real-time package monitoring.