Method, device and system for rail transit data transmission based on wide area network

A data transmission method and rail transit technology, applied in transmission systems, electrical components, etc., can solve the problems of difficult horizontal expansion, load balancing, low data transmission reliability, data loss, etc., to facilitate horizontal expansion, achieve reliable transmission, Avoid the effect of influence

Active Publication Date: 2022-08-05
BYD CO LTD
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Problems solved by technology

[0004] In this way, the reliability of data transmission is low. For example, when there is a problem in the network environment of the wide area network, the data cannot be cached, resulting in data loss, and when the number of connections between the integrated monitoring systems at all levels is large , it is more difficult to expand horizontally for load balancing

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  • Method, device and system for rail transit data transmission based on wide area network
  • Method, device and system for rail transit data transmission based on wide area network
  • Method, device and system for rail transit data transmission based on wide area network

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Embodiment Construction

[0027] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention. On the contrary, embodiments of the present invention include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

[0028] figure 1 It is a schematic flowchart of a method for transmitting rail transit data based on a wide area network proposed by an embodiment of the present invention.

[0029] This embodiment is exemplified in that the WAN-based rail transit data transmission method is configured as a WAN-based rail transit data transm...

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Abstract

The present invention provides a method, device and system for rail transit data transmission based on a wide area network. The method includes collecting data output by comprehensive monitoring systems at all levels, and transmitting the data between the comprehensive monitoring systems at all levels based on a first preset protocol; The second preset protocol performs protocol conversion on the data, the first preset protocol is different from the second preset protocol, and the second preset protocol is the message queue telemetry transmission MQTT protocol; the data after the protocol conversion is transmitted to the target control via the WAN center, and target data processing through the target control center. The invention can avoid the influence caused by the failure of the wide area network, and does not limit the number of connections between the comprehensive monitoring systems at all levels, so that the horizontal expansion between the comprehensive monitoring systems at all levels is facilitated.

Description

technical field [0001] The invention relates to the technical field of rail transit, in particular to a method, device and system for rail transit data transmission based on a wide area network. Background technique [0002] The rail transit integrated monitoring system generally has a three-level structure, including: site / local level, station level and control center level. Among them, the on-site / on-site-level integrated monitoring system includes the Fire Alarm System (FAS) and the Power Supervision Control And Data Acquisition (PSCADA) and other related subsystems and related field equipment; the station-level integrated monitoring system The monitoring system can monitor and control the equipment / subsystem of the station, that is, collect data such as the status, fault and alarm information of the field equipment, and display the data on the Human Machine Interface (HMI) of the monitoring system in real time. , and upload the collected data to the integrated monitorin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/025H04L69/08H04L67/12
CPCH04L67/025H04L69/08H04L67/12
Inventor 黄尊涛黄聪
Owner BYD CO LTD
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