Industrial Internet of Things meteorological edge gateway taking SoC as core based on shared memory mechanism

By introducing a shared memory mechanism and a Linux operating system on the SoC, the functions of the MCU weather gateway are decoupled, improving the system's continuous operation capability and data distribution efficiency, enhancing remote operation and maintenance and data management capabilities, and solving the shortcomings of existing technologies.

CN122179267APending Publication Date: 2026-06-09XINYANG NORMAL UNIVERSITY
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Patent Information

Application Number
CN202610208290.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-12
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing MCU weather gateways suffer from problems such as a wide range of impacts from faults, weak data sharing capabilities, lack of efficient data distribution mechanisms, and insufficient operation, maintenance, and security capabilities.

Method used

It adopts a SoC based on a shared memory mechanism as its core, and opens up a shared memory area in the external high-speed running memory. Multiple functional processes map and access it, and introduce the Linux operating system and daemon process for monitoring and management, so as to decouple functions such as data acquisition, protocol services and data recording.

Benefits of technology

It improves continuous operation capability, enhances data distribution efficiency and remote operation and maintenance capability, reduces the impact of single point of failure on the system, and realizes multi-channel concurrent data distribution and management and remote acquisition of historical data.

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Abstract

An industrial Internet of Things meteorological edge gateway based on a shared memory mechanism and taking an SoC as a core comprises the SoC, and the SoC is externally connected with an external high-speed running memory, an external high-speed flash memory, a meteorological station interface, an SD card interface and an Ethernet interface. The external high-speed running memory is used for running an operating system and each functional process, and a shared memory area is developed in the external high-speed running memory for mapping access of a plurality of functional processes; the plurality of function processes comprise an MODBUS TCP (Transmission Control Protocol) server process, an MODBUS RTU (Remote Terminal Unit) master station acquisition process, an MODBUS RTU slave station process, an FTP (File Transfer Protocol) file sharing process, a data recording process and a website service process. According to the invention, the continuous operation capability is improved; the data distribution efficiency is improved; the influence on the acquisition real-time performance is reduced; the consistency of key data records is improved; historical data management and remote acquisition are facilitated; and the remote operation and maintenance and access control capability is improved.
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