Cross-marshalling data transmission method and device based on train Ethernet

Abstract

The invention discloses a cross-marshalling data transmission method and device based on a train Ethernet. The method comprises the following steps: responding to a cross-marshalling data uploading instruction, controlling the local marshalling ETBN to respectively convert the source IP address and the destination IP address of the uploaded message received from the local equipment into corresponding train subnet addresses, and transmitting the uploaded message to the corresponding far-end marshalling ETBN according to the converted train subnet addresses of the source IP address and the destination IP address; and controlling the ETBN of the far-end group to convert the train subnet address of the destination IP address of the received uploaded message into a corresponding local subnet address in the group, and transmitting the uploaded message to the corresponding target equipment according to the converted local subnet address. According to the invention, the updating, maintenance and diagnosis work of the Ethernet layer of the whole train can be realized only by connecting a single point into any group of the train, so that the train maintenance and diagnosis efficiency is improved, and the workload of design and maintenance personnel is reduced.

Description

technical field [0001] The invention relates to the technical field of train network communication, in particular to a method and device for data transmission across formations based on train Ethernet. Background technique [0002] At present, when using diagnostic equipment to perform maintenance and diagnosis on the train level, it is generally aimed at the traditional train TCN network (Train Control Network, mainly the traditional bus-type train network), that is, using the MVB bus (Multifunction Vehicle Bus, multiple Functional vehicle bus, mainly used for in-vehicle networking) and WTB bus (WireTrain Bus, twisted train bus, mainly used for whole train networking) combined train network. [0003] However, in this case, the diagnostic device is addressed by the port address of the device, and the data transfer rate is very slow. Therefore, traditional diagnostic equipment based on TCN network is difficult to meet the requirements of high-speed upload and download files,...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defect that the diagnostic equipment based on the TCN network in the prior art is difficult to meet the requirements of high-speed uploading and downloading files, resulting in a reduction in the efficiency of train diagnosis and maintenance, and to provide a cross-marshalling system based on train Ethernet Method and device for data transmission

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