BEIJING,Dec.20 (Xinhua)——China′s independently-developed MA60 firefighting aircraft,a new member of the Modern Ark multipurpose aircraft family,is progressing forward on its airworthiness certification process,acco...BEIJING,Dec.20 (Xinhua)——China′s independently-developed MA60 firefighting aircraft,a new member of the Modern Ark multipurpose aircraft family,is progressing forward on its airworthiness certification process,according to the Aviation Industry Corporation of China (AVIC).As an aircraft model tailored to serve emergency rescue missions,MA60 successfully completed a key test flight,which consisted of hedgehopping and dropping six tonnes of water,said the AVIC,China′s leading aircraft manufacturer.The aircraft successfully conducted the water drop over the scheduled site at a very low altitude of 55 meters.The test took place at an airport in southwest China′s Sichuan Province.展开更多
针对传统消防监控系统存在开发成本高、误警率高、实时监控不便的问题,提出一种基于物联网云平台的智慧消防远程监控系统。采用STM32单片机作为中枢控制芯片,经多传感器采集温度、湿度、烟雾、火焰等环境数据,通过窄带物联网(NB-IoT,Nar...针对传统消防监控系统存在开发成本高、误警率高、实时监控不便的问题,提出一种基于物联网云平台的智慧消防远程监控系统。采用STM32单片机作为中枢控制芯片,经多传感器采集温度、湿度、烟雾、火焰等环境数据,通过窄带物联网(NB-IoT,Narrow Band Internet of Things)上传至OneNET云平台。经数据分析后以可视化方式呈现,对异常数据触发报警实时响应。通过手机APP实现数据实时监测及一键处置。经测试,监控系统报警准确率高于97.2%,数据延迟低于50 ms,表明该系统能够实现消防火警的无线远程监控,并做出快速反应,满足中小微企业和普通家庭用户的消防监控需要。展开更多
文摘BEIJING,Dec.20 (Xinhua)——China′s independently-developed MA60 firefighting aircraft,a new member of the Modern Ark multipurpose aircraft family,is progressing forward on its airworthiness certification process,according to the Aviation Industry Corporation of China (AVIC).As an aircraft model tailored to serve emergency rescue missions,MA60 successfully completed a key test flight,which consisted of hedgehopping and dropping six tonnes of water,said the AVIC,China′s leading aircraft manufacturer.The aircraft successfully conducted the water drop over the scheduled site at a very low altitude of 55 meters.The test took place at an airport in southwest China′s Sichuan Province.
文摘针对传统消防监控系统存在开发成本高、误警率高、实时监控不便的问题,提出一种基于物联网云平台的智慧消防远程监控系统。采用STM32单片机作为中枢控制芯片,经多传感器采集温度、湿度、烟雾、火焰等环境数据,通过窄带物联网(NB-IoT,Narrow Band Internet of Things)上传至OneNET云平台。经数据分析后以可视化方式呈现,对异常数据触发报警实时响应。通过手机APP实现数据实时监测及一键处置。经测试,监控系统报警准确率高于97.2%,数据延迟低于50 ms,表明该系统能够实现消防火警的无线远程监控,并做出快速反应,满足中小微企业和普通家庭用户的消防监控需要。