QIANSHI Hutong is located near the Dashilan’er commercial street,just on the west side of Zhubaoshi Street.With its narrowest point preserved at 40 cm,it is the most constricted alley in Beijing’s city limits.It was...QIANSHI Hutong is located near the Dashilan’er commercial street,just on the west side of Zhubaoshi Street.With its narrowest point preserved at 40 cm,it is the most constricted alley in Beijing’s city limits.It was,once upon a time,China’s Wall Street. "Qianshi" literally means "money market." The hutong’s history can be traced back to the Qing Dynasty(1644-1911), when it was Beijing’s official area for currency trading.Home to 26 governmentauthorized mints that produced coins for all the city’s banks,large business firms,展开更多
在碳中和背景下,城市道路照明系统节能要求越来越高,为实现城市路灯照明系统智能化节能目的,设计基于窄带物联网(Narrow Band Internet of Things,NB-IOT)技术的低功耗智能路灯控制系统。单灯控制器以低功耗的ATMEGA32作为核心控制器,采...在碳中和背景下,城市道路照明系统节能要求越来越高,为实现城市路灯照明系统智能化节能目的,设计基于窄带物联网(Narrow Band Internet of Things,NB-IOT)技术的低功耗智能路灯控制系统。单灯控制器以低功耗的ATMEGA32作为核心控制器,采用BC53-G实现运营商网络与路灯监控平台的双向通信,融合光照传感器、温度传感器以及监控平台的开发等实现了路灯系统的自定义控制、智能控制。结合系统监控平台可以实现系统的断电保护、故障信息自动上报以及路灯节点的电压、电流、功率等数据采集,达到了无人化智能管理需求,并在此基础上通过系统低功耗优化设计以及节能管理方案有效降低了电能损耗。经过运行测试,该系统在半节能模式下较正常模式下节约功耗达46%,根据系统控制平台的要求,运行稳定,节能效果明显,具有可推广性。展开更多
文摘QIANSHI Hutong is located near the Dashilan’er commercial street,just on the west side of Zhubaoshi Street.With its narrowest point preserved at 40 cm,it is the most constricted alley in Beijing’s city limits.It was,once upon a time,China’s Wall Street. "Qianshi" literally means "money market." The hutong’s history can be traced back to the Qing Dynasty(1644-1911), when it was Beijing’s official area for currency trading.Home to 26 governmentauthorized mints that produced coins for all the city’s banks,large business firms,
文摘在碳中和背景下,城市道路照明系统节能要求越来越高,为实现城市路灯照明系统智能化节能目的,设计基于窄带物联网(Narrow Band Internet of Things,NB-IOT)技术的低功耗智能路灯控制系统。单灯控制器以低功耗的ATMEGA32作为核心控制器,采用BC53-G实现运营商网络与路灯监控平台的双向通信,融合光照传感器、温度传感器以及监控平台的开发等实现了路灯系统的自定义控制、智能控制。结合系统监控平台可以实现系统的断电保护、故障信息自动上报以及路灯节点的电压、电流、功率等数据采集,达到了无人化智能管理需求,并在此基础上通过系统低功耗优化设计以及节能管理方案有效降低了电能损耗。经过运行测试,该系统在半节能模式下较正常模式下节约功耗达46%,根据系统控制平台的要求,运行稳定,节能效果明显,具有可推广性。
