基于LoRa的无线多参数环境监测系统设计
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摘要
为了能实时、高效地对大气污染物违规排放的监控,提出了一种基于LoRa的无线多参数环境监测系统。利用STM32F103内置基于DMA功能的ADC采集6路电化学传感器的气体浓度数据;利用串口功能实现GPS定位数据、PM2.5/PM10颗粒物浓度数据和温湿度等参数的处理;通过LoRa无线模块,将采集的数据传输至LoRa网关并在手持式终端上显示。测试结果表明,监测系统可以远程实时监测6种气体浓度、PM2.5/PM10颗粒物浓度及行程轨迹等参数,且误差在允许的范围内;结合无人机、无人车等载体平台使用,具有监测范围广、成本低、机动性强等优点,具有广阔的应用前景。
In order to monitor the illegal emission of atmospheric pollutants in real time and efficiently,a wireless multiparameter environmental monitoring system based on LoRa is proposed.The ADC and the serial port with DMA function inside of the STM32 F103 is used to collecte the data of 6 electrochemical gas sensors,GPS location data,PM2.5/PM10 particle concentration data,the temperature and humidity.The collected data is transmitted to the LoRa gateway through the LoRa wireless module and displayed on the terminal.Test results show that the system can monitor 6 kinds of gas concentration,PM2.5/PM10 particle concentration,temperature and humidity and travel path in real time,and the error is within the allowable range.The system combined with UAV or unmanned vehicle has the advantages of wide monitoring range,low cost and high mobility,leading to a broad vision of application.
In order to monitor the illegal emission of atmospheric pollutants in real time and efficiently,a wireless multiparameter environmental monitoring system based on LoRa is proposed.The ADC and the serial port with DMA function inside of the STM32 F103 is used to collecte the data of 6 electrochemical gas sensors,GPS location data,PM2.5/PM10 particle concentration data,the temperature and humidity.The collected data is transmitted to the LoRa gateway through the LoRa wireless module and displayed on the terminal.Test results show that the system can monitor 6 kinds of gas concentration,PM2.5/PM10 particle concentration,temperature and humidity and travel path in real time,and the error is within the allowable range.The system combined with UAV or unmanned vehicle has the advantages of wide monitoring range,low cost and high mobility,leading to a broad vision of application.
引文
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[14]潘银松,丁建军,黄宇坤,等.一种小型无人机飞行控制系统的研究与设计[J].电子测量技术,2013,36(2):100-103.
[15]白宗文,周美丽.低功耗便携式有害气体监测仪的设计与实现[J].现代电子技术,2014(17):151-153.
[2]赵鹏,荆红莉.无线PM2.5测试仪的设计与实现[J].电子测量技术,2016,39(6):134-137.
[3]郑海明,姜岩,蔡小舒.环境空气质量监测系统在工业区的应用[J].仪器仪表学报,2005,26(S1):288-289.
[4]周新淳,张瞳,吕宏强.基于物联网的精准化智慧农业大棚系统设计[J].国外电子测量技术,2016,35(12):44-49.
[5]林硕,张荣晶.基于LoRa的车辆称重系统中低功耗无线模块设计[J].自动化与仪表,2018,33(5):79-83..
[6]赵太飞,陈伦斌,袁麓,等.基于LoRa的智能抄表系统设计与实现[J].计算机测量与控制,2016,24(9):298-301.
[7]杨祯,李达,张丽,等.基于LoRa的农业大棚无线温湿度监测系统设计与实现[J].电子测量技术,2018,41(11):73-78.
[8]许剑锋,芦静,郝欢,等.基于LMP91000的电化学传感器调理电路设计[J].传感器世界,2014,20(2):22-25.
[9]李远茂,刘桂雄,曾成刚.基于GPS的室外放射源信息监控系统设计[J].电子测量与仪器学报,2016,30(8):1244-1254.
[10]赵鹏,荆红莉.无线PM2.5测试仪的设计与实现[J].电子测量技术,2016,39(6):134-137.
[11]王于波,李延,秦理想,等.基于LoRa技术的电力抄表模块研究[J].国外电子测量技术,2018,37(1):46-51.
[12]江武志,罗玉文.智慧校园之基于LoRa技术的环境检测分析系统[J].物联网技术,2018,8(4):64-67.
[13]资文彬,董楚楚,曹康.LoRa无线数据传输模块的设计与实现[J].集成技术,2018,7(3):54-61.
[14]潘银松,丁建军,黄宇坤,等.一种小型无人机飞行控制系统的研究与设计[J].电子测量技术,2013,36(2):100-103.
[15]白宗文,周美丽.低功耗便携式有害气体监测仪的设计与实现[J].现代电子技术,2014(17):151-153.