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

A data acquisition and intelligent terminal technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of inconvenient system deployment, difficulty in adapting to large-scale monitoring and information management system integration, poor scalability, etc. Achieve the effects of enhanced remote data transmission capabilities, good system scalability, and strong data integration capabilities

CN104660682AActive Publication Date: 2015-05-27SOUTH CHINA UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-05-27

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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.
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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...

Examples

Embodiment Construction

[0022] Hereinafter, the present invention will be further described in detail with reference to the examples and drawings, but the implementation of the present invention is not limited thereto.

[0023] Such as figure 1 , An intelligent terminal for OPC data collection and monitoring based on TD-LTE, which is divided into three parts: OPC server 1, OPC client 2, and TD-LTE mobile network access terminal 15 in terms of functional structure, forming a Client / Server network Application structure. Among them, the OPC client 2 includes the main application program 3, which realizes data reading and writing operations and status monitoring and management; remotely calls COM / DCOM proxy module 4; COM service management module 5; client hardware and embedded system 6; application security management module 7 functional units or modules. The OPC server 1 includes the main service program 8, which implements data acquisition and monitoring management, and responds to client data access re...