A Background While industrial civilization has driven remarkable social progress and economic growth, it has also brought about serious side effects: environmental pollution, global warming, and ecological degradation. Among these challenges, PM2.5 has become one of the most discussed topics in recent years. The phrase "Self-strength does not suck, thick virtue carries fog" reflects people's longing for a clear blue sky, expressing their helplessness in the face of air quality issues. In response to these environmental challenges, the world is increasingly turning to more sustainable, efficient, and eco-friendly solutions. Electric vehicles have emerged as a key component of new energy strategies and smart grid systems due to their minimal environmental impact. For electric vehicles to function effectively, they require sufficient electrical energy. Therefore, the widespread deployment of electric vehicle charging stations is a crucial part of the new energy vehicle industry. Second Status As efforts to promote electric vehicle charging infrastructure continue, one major challenge is the networking and centralized management of charging station units. Power management departments need to collect and integrate data from all charging stations to support the development of smart grids and enable remote monitoring. However, several obstacles often arise during implementation: 1) Charging stations are often spread out over large geographic areas, making wired communication difficult.
2) Different manufacturers use varying communication protocols, which complicates direct data exchange between the management platform and the charging equipment. This makes data aggregation challenging. Given these issues, establishing an effective communication bridge between the charging stations and the management center becomes essential. Third Program Introduction Taking the Shanghai International Automobile City’s electric vehicle charging station networking system as an example, the charging stations are produced by XJ Electric. These devices provide a CAN bus interface externally and use their own communication protocol. Data needs to be wirelessly transmitted to the dispatch center, where the platform software receives it in IEC 60870-5-104 format. To meet this requirement, a smart device that acts as a communication bridge must possess the following features: 1) It should have a CAN bus interface, along with serial ports and network ports to accommodate field requirements.
2) It must support wireless communication through GPRS, 3G, and Wi-Fi.
3) It should be open and allow for secondary development, enabling compatibility with XJ’s proprietary protocol.
4) It needs to perform protocol conversion, allowing data to be sent to the dispatch center in IEC 60870-5-104 format.
5) It should be capable of real-time data acquisition and caching, uploading details such as working status, current, voltage, and charging time. It should also support remote control and system alarms, sending fault notifications to maintenance teams promptly when issues occur. To fulfill these requirements, Cypress’s SymLink Industrial IoT Smart Gateway series is used as the communication bridge between the charging station and the dispatch center. The system architecture is designed to ensure seamless connectivity and interoperability. Application of Industrial IoT Smart Gateway in Charging Station Networking The SymLink Industrial IoT Smart Gateway is an advanced, industrial-grade device built on the industrial IoT architecture. It combines embedded hardware and software to offer scalable solutions for remote configuration and intelligent network management. It serves as a reliable choice for connecting and managing various devices across different scales. In this system, developers customized the SymLink gateway to work with XJ Electric’s proprietary protocol, collecting and aggregating field data from the charging stations. The data was then converted into the IEC 60870-5-104 format and transmitted via 3G wireless networks. With this setup, management personnel can access real-time operational data and status updates of each charging station at the dispatch center. They can issue commands to the SymLink gateway, enabling remote control and monitoring of the charging stations. Remote users can view live site conditions using PCs, tablets, or mobile devices, ensuring continuous oversight of the entire system. Fourth Conclusion As electric vehicles and charging station technology continue to advance, our smart grids and intelligent transportation networks are undergoing significant transformations. Tectron Technology has been dedicated to the Internet of Things space. Through its SymLink Industrial IoT Smart Gateway products, the company provides comprehensive solutions and services to meet the evolving needs of customers in this dynamic market.
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