基于无线传感技术的体育场馆室内空气环境监控系统设计
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摘要
体育场馆是运动与健身的主要场所,其室内环境要满足观众席人员的舒适性和比赛项目要求,同时也要考虑室内环境对赛场运动人群的机体造成的生理、心理的影响。为了获得室内环境评价所需室内环境参数,本研究以ZigBee协议为基础,设计了对体育场馆内二氧化碳、甲醛等室内空气品质参数和温湿度、风速等多种室内热环境参数的无线传感器网络。系统采用星型拓扑结构,系统中节点由协调器节点与传感器节点组成,负责数据采集和上传节点是传感器节点。协调器接收网络内所有传感器节点的数据,并将这些数据通过RS232串口上传至计算机。本系统网络数据传输较稳定,可靠传输距离在250米,自动重连距离达到100米,能适应较复杂的体育场馆环境。本研究成果为后续对体育场馆室内环境检测体系和评估标准的制定提供前端采集系统。
Gymnasium is the main place for exercise and fitness,whose indoor environment must be comfortable for the audience,meet the needs for games,and can influence the player's physiological and psychological states.In order to obtain indoor environmental parameters for evaluation,a WSN system based on the ZigBee protocol was designed to monitor the indoor air quality,which included formaldehyde,carbon dioxide,etc,and the indoor thermal environment which included temperature,humidity,and wind speed.The system used a star topology.According to the function,the node of the system could be divided into the sensor node and the coordinator node.The sensor node collected and uploaded data.The coordinator node received the data from the sensor node which were transmitted to the computer through the RS232 serial port.The network data of the system proved to be stable and could adapt to the complex environment in the gymnasium.The reliable transmission distance was about 250 metres,and the auto-reconnect distance was about 100 metres.This result could provide a front-end acquisition system for the indoor environment monitoring system and evaluation standards.
Gymnasium is the main place for exercise and fitness,whose indoor environment must be comfortable for the audience,meet the needs for games,and can influence the player's physiological and psychological states.In order to obtain indoor environmental parameters for evaluation,a WSN system based on the ZigBee protocol was designed to monitor the indoor air quality,which included formaldehyde,carbon dioxide,etc,and the indoor thermal environment which included temperature,humidity,and wind speed.The system used a star topology.According to the function,the node of the system could be divided into the sensor node and the coordinator node.The sensor node collected and uploaded data.The coordinator node received the data from the sensor node which were transmitted to the computer through the RS232 serial port.The network data of the system proved to be stable and could adapt to the complex environment in the gymnasium.The reliable transmission distance was about 250 metres,and the auto-reconnect distance was about 100 metres.This result could provide a front-end acquisition system for the indoor environment monitoring system and evaluation standards.
引文
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[2]MO Ng,M Qu,P Zheng,Z Li,Y Hang.CO2-based demand controlled ventilation under new ASHRAE Standard 62.1-2010:a case study for a gymnasium of an elementary school at West Lafayette,Indiana[J].Energy and Buildings,2011,43(11):3216-3225.
[3]P Rajagopalan,MB Luther.Thermal and ventilation performance of a naturally ventilated sports hall within an aquatic centre[J].Energy and Buildings,2013,58(1):111-122.
[4]MC Katafygiotou,DK Serghides.Thermal comfort of a typical secondary school building in Cyprus[J].Sustainable Cities and Society,2014,13:303-312.
[5]王跃.室内健身场所空气质量及路径健身器械生物性污染的调查与研究[J].中国体育科技,2004,40(5):35-37.
[6]张金萍,张寅平,高鹏,姚远,周中平.奥运场馆室内空气品质测评[J].建筑科学,2009,25(6):26-32
[7]马勇,徐晓歌,刘林,郑勤振.基于主观问卷调查的游泳馆热舒适性研究[J].体育成人教育学刊,2015,31(5):25-28.
[8]GB9668-2002,体育场馆卫生标准[S].北京:中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会,1996.
[9]张勇军,熊庆国.面向温室集群的环境无线监控系统设计[J].自动化与仪表,2015,(3):27-30.
[10]董亚超.基于ZigBee技术的无线环境监测网络的开发[D].大连:大连理工大学硕士学位论文,2008.