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Industrial Internet of Things gateway based on OPC and MQTT

An industrial Internet of Things and gateway technology, applied in the field of industrial Internet of Things gateways based on OPC and MQTT, can solve the problems of inability to realize OPC standard data classification, inability to transmit OPC standard data to terminals, etc., to achieve reliable connection, good instant messaging, The effect of low bandwidth usage

Active Publication Date: 2020-01-17
SHANGHAI SIIC LONGCHUANG SMARTER ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gateway cannot classify OPC standard data, and cannot transmit different types of OPC standard data to the terminal through the MQTT server in different ways

Method used

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  • Industrial Internet of Things gateway based on OPC and MQTT

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Experimental program
Comparison scheme
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Embodiment

[0023] This embodiment provides an industrial Internet of Things gateway based on OPC and MQTT. The gateway includes a controller. The controller is bidirectionally connected to the OPC server and the MQTT server through a network cable (RJ45 interface), and the OPC server is bidirectionally connected to the factory equipment. The factory equipment supports OPC sensors and actuators, the OPC server obtains the OPC data of each factory equipment and transmits it to the controller, and the controller transmits the obtained OPC data to the terminal connected to the MQTT server through the MQTT server. The terminal can be an APP; the user can also The state of the factory equipment can be controlled through the APP; the controller of this embodiment uses the STM32F103 chip.

[0024] The feature of this embodiment is that the controller collects the OPC data of the factory equipment through the OPC server and classifies them according to alarm data, real-time data and trend data. D...

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PUM

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Abstract

The invention relates to an industrial Internet of Things gateway based on OPC and MQTT. Which comprises a controller, the controller is in bidirectional connection with the OPC server and the MQTT server, wherein the controller realizes conversion from OPC data to MQTT data, the controller classifies the OPC data, and different types of OPC data are transmitted to a terminal in bidirectional connection with the MQTT server through the MQTT server in different modes. Compared with the prior art, real-time states and trend data of actuators and sensors in a factory can be remotely checked through the APP terminal, and the states of the actuators can be remotely controlled; when the equipment is abnormal, alarm data can be pushed to the user through the APP, and the user is reminded to dealwith the abnormality of the equipment in time; in combination with different OPC data usage scenarios, the purposes of reducing bandwidth occupation, ensuring arrival of key information, preventing loss and the like are achieved.

Description

technical field [0001] The invention relates to the field of industrial internet of things gateways, in particular to an industrial internet of things gateway based on OPC and MQTT. Background technique [0002] MQTT (Message Queuing Telemetry Transport, Message Queuing Telemetry Transport Protocol), is a "lightweight" communication protocol based on the publish / subscribe (publish / subscribe) model, which is built on the TCP / IP protocol, developed by IBM in 1999 year released. The biggest advantage of MQTT is that it can provide real-time and reliable message services for connected remote devices with very little code and limited bandwidth. As a low-overhead, low-bandwidth instant messaging protocol, it has a wide range of applications in the Internet of Things, small devices, and mobile applications. [0003] OPC (Object Linking and Embedding (OLE) for Process Control) is a standard, which is the application of Microsoft's object linking and embedding technology in process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/66H04L29/08H04L12/851
CPCH04L12/66H04L47/24H04L67/12
Inventor 尹晓东蒋秋明
Owner SHANGHAI SIIC LONGCHUANG SMARTER ENERGY TECH CO LTD