Research and application of sensor information model in power internet of things

There are massive sensing devices in power Internet of Things and so far the standards for data models of various collected data cannot be unified, so it brings difficulty to the interoperability of the application of power Internet of Things, and it is necessary to establish a standardized model for information interaction. For this purpose, referring to such standards as IEC 61850, IEEE 1451, SensorML and so on, the connotation, key technology, definition and modeling approach of sensor information model in sensing layer are expounded and illustrated with actual examples. The main method is to build an extensible specification for information access, which can access to all kinds of sensing devices, meanwhile considering the principles of future sensors and the development and change of their implementation the concentration and availability of the accessed status information are improved in the access specification layer, finally a unique identification for standardized model of information interaction and devices are established to make the data enable to be interacted with unified information model within network layer.