基于NB-IoT智能燃气表的低功耗系统设计与实现  

Low power consumption system design based on NB⁃IoT smart gas meter

作　　者：方冉 麦云飞[1] 胡莽 FANG Ran;MAI Yunfei;HU Mang(School of Mechanical Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China;Shanghai Fiorentini Gas Equipment Co.,Ltd.,Shanghai 201201,China)

机构地区：[1]上海理工大学机械工程学院,上海200093 [2]上海飞奥燃气设备有限公司,上海201201

出　　处：《电子设计工程》2020年第21期120-124,共5页Electronic Design Engineering

摘　　要：针对传统燃气表抄表工作繁琐,统计数据易出错等缺点,设计并实现了基于NB-IoT通信技术的智能燃气表低功耗系统。此系统采用STM32作为微控制器,软件架构基于FreeRTOS操作系统,运用NB-IoT技术将表端信息上传至抄表平台,为燃气企业提供更加高效的运营方案。本文从低功耗控制芯片与通讯模组选型、供电系统低功耗硬件电路设计、系统软件设计、实验验证分析这几个方面进行研究,对于无线远传燃气表的低功耗及稳定性发展有着重要的研究意义。Aiming at the shortcomings of traditional gas meter reading,such as tedious work and error⁃prone statistical data,a low power consumption intelligent gas meter system based on NB⁃IoT commu nication technology is designed and implemented.This system adopts STM32 as the microcontroller,the software architecture is based on FreeRTOS operating system,and NB⁃IoT technology is used to upload the information of the meter end to the meter reading platform,providing a more efficient operation plan for gas enterprises.This paper studies the low⁃power control chip and communication module selection,the low⁃power hardware circuit design of power supply system,the system software design,and the experimental verification analysis,which have important research significance for the development of low⁃power and stability of wireless remote transmission gas meter.

关 键 词：NB-IoT技术 STM32 燃气表 低功耗 

分 类 号：TN876[电子电信—信息与通信工程]