Train network architecture based on deep integration of Ethernet

By adopting a deep Ethernet convergence architecture in the train network and using red and blue network switches to divide VLANs, the problems of cumbersome cabling and inconsistent data management in the train network are solved, and centralized management and unified security deployment of the entire vehicle network are realized.

CN116389531BActive Publication Date: 2026-07-10CRRC NANJING PUZHEN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CRRC NANJING PUZHEN CO LTD
Filing Date
2023-04-21
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In the current train network, the independent wiring of the signaling system and network control system and the diverse communication buses result in cumbersome wiring, and data monitoring and traffic management have not been uniformly deployed.

Method used

The train network architecture is based on deep Ethernet convergence. By combining red network switches and blue network switches, VLANs are divided for data transmission, and queue priority management and storm traffic monitoring are performed to achieve centralized management of the network data ports of the entire vehicle.

Benefits of technology

It saves on switch hardware and communication cables, enables centralized management of the vehicle network data ports, facilitates traffic monitoring and fault location, fully utilizes the data carrying capacity of the gigabit backbone network, and unifies the planning of vehicle-to-ground security transmission boundaries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a train network architecture based on Ethernet deep fusion, which comprises a red network switch topology, a blue network switch topology and train subsystems connected to the blue network switch topology and the red network switch topology; the train subsystems are redundantly designed and arranged on a head car, a middle car or a tail car of the train; the backbone network topologies of the red network and the blue network are not limited and are suitable for ring network topology, linear network topology or link aggregation network topology; the application saves switch hardware devices and communication cable materials; the whole train network data ports are centrally managed, so that traffic monitoring and fault positioning are facilitated; the application builds an intensive integrated network architecture and fully utilizes the data bearing capacity of a gigabit backbone network; and the application uniformly plans a train-ground safety transmission boundary, which is beneficial to the deployment and drilling of diversified safety strategies.
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