Terminal Equipment Adaptive Access for Power Internet of Things

doi:10.16183/j.cnki.jsjtu.2021.S2.011

Abstract

Abstract:

In order to build a digital platform for power grid, it is necessary to expedite the construction of information collection, processing and the other links, improve holographic perception ability, support multiple intelligent applications, and maximize the data value of the power Internet of Things (IoT). There are problems in massive perception layer terminals, such as different types, diverse communication modes, vertical business deployment, independent platform systems, and information collection barriers. The lack of unified standards and specifications makes it difficult to promote the construction progress of the IoT. It is, therefore, urgent and important to find a unified and universal power IoT adaptation access method to obtain a flexible, standardized, and safe access for all IoT terminals based on maximum utilization of the equipment and protection of the investment.

Key words: power Internet of things (IoT), terminal equipment, IoT sensing layer, IoT management platform

CLC Number:

TM76

LU Dongqi, ZHANG Qian, XU Yizhou, BAO Jieli, LUO Fen. Terminal Equipment Adaptive Access for Power Internet of Things[J]. Journal of Shanghai Jiao Tong University, 2021, 55(S2): 72-76.

Figures/Tables 7

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类型	内容
属性	包括静态和动态属性,是终端设备通用或者特定的固有信息
消息	终端设备采集和执行所产生的动态运行事件信息
服务	终端设备为外部提供的,供调用的命令执行的功能接口

通信协议	主要特点	适用场景
CoAP	基于UDP协议,计算资源和网络带宽占用很少	无线传感网
MQTT	基于TCP协议,提供消息发布/订阅机制,计算资源和带宽占用较少	用于计算资源相对有限和网络带宽占用相对较少的设备
AMQP	基于TCP协议,面向消息队列,支持点对点和发布/订阅,可靠性高	适用于边缘代理设备
HTTPS	加密通信,占用的资源和带宽较多, 对设备计算性能和存储要求较高.	适用于支持https的高性能终端设备或边缘代理设备

终端设备	通信接口	功能说明
温湿度计	串口/无线	监测环境中的温度和湿度信息
风速传感器	串口	监测环境中的风速信息
SF₆监测器	串口	监测GIS室的六氟化硫浓度信息
烟感检测器	串口/无线	监测室内环境中的烟雾浓度信息
水浸监测器	串口	监测地面、电缆沟等位置的漏水信息
电能表	串口/以太网/电力载波	监测UPS主机、蓄电池容量、工况信息

终端设备	类型	属性描述
温湿度计	模拟量	温度
	模拟量	湿度
风速传感器	模拟量	水平风向
	模拟量	平均水平风速
SF₆监测器	模拟量	SF₆浓度
	开关量	SF₆报警信号
烟感检测器	开关量	烟雾报警信号
水浸监测器	开关量	水浸报警信号
电能表	模拟量	当前总有功功率
	模拟量	当前总无功功率
	模拟量	当前总功率因数