OPC data acquisition and monitoring intelligent terminal based on TD-LTE

Abstract

The invention discloses an OPC (Object Linking and Embedding for Process Control) data acquisition and monitoring intelligent terminal based on TD-LTE (Time Division-Long Term Evolution). The OPC data acquisition and monitoring intelligent terminal comprises a TD-LTE communication management module, an OPC data service terminal, an OPC client terminal and an access control module. The OPC data acquisition and monitoring intelligent terminal based on the TD-LTE can establish a reliable data acquisition and control command transmitting channel between an upper management information system and underlying monitoring equipment, adopts a standard interface and wireless communication automatic networking functions, realizes the integration of enterprise information management and industry process real-time control, has the distributed monitoring and centralized data management capability, is high in data transmission speed, portable and movable and suitable for the vast majority of field data acquisition equipment controlled by an OPC server developed based on OPC-DA specifications, is provided with an open and efficient communication mechanism and provides a consistent solution on accessing field equipment data for a monitoring system.

Description

Technical field [0001] The present invention relates to the technical field of data collection terminals, in particular to a TD-LTE-based OPC data collection and monitoring intelligent terminal. Background technique [0002] The use of various remote intelligent monitoring technologies to realize the information integration of industrial systems or production processes and improve the integration level of enterprise information management and production process automation can not only greatly improve production efficiency, but also provide a broad scope for the development of intelligent monitoring technology Application areas. [0003] The remote data acquisition and monitoring terminal is the basic equipment of the intelligent monitoring system. At present, it is mainly based on embedded system applications. It realizes the control unit, I / O input unit, data acquisition unit, GPIO unit and communication unit (Ethernet, GPRS, Serial port, etc.) and other integrated integration fo...

AI Technical Summary

Problems solved by technology

The main defects of the existing terminal technology are: (1) The remote transmission of data is mainly based on wired network communication, the system deployment is not convenient, the construction and maintenance costs are high, and the mobile access technology such as GPRS is used, and the data transmission capacity is low , the reliability is poor, the delay is long, and it cannot meet the real-time transmission requirements of a large amount of data; (2) the openness and compatibility of the monitoring data protocol are poor, and the monitoring system is very dependent on the underlying acquisition equipment, so it is difficult to adapt to large-scale Integration of Scale Monitoring and Information Management System

(3) The data terminal is mainly based on local data collection, bound to the data forwarding function, the application structure is too simple, only suitable for statically configured monitoring network, and the scalability is relatively poor

Images