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Train digital broadcast controller based on HomePlug

A digital broadcasting and controller technology, applied in broadcasting system control, broadcasting device, broadcasting-related systems, etc., can solve the problems that the reliability of broadcasting system is not involved, and the design and implementation scheme of train digital broadcasting controller are not given. achieve the effect of increasing flexibility

Inactive Publication Date: 2018-10-16
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent does not propose a new scheme for the network structure of the broadcasting system on railway trains and subway trains, does not involve special consideration of the reliability of the broadcasting system, and does not provide a specific design and implementation plan for the digital broadcasting controller of the train

Method used

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  • Train digital broadcast controller based on HomePlug
  • Train digital broadcast controller based on HomePlug
  • Train digital broadcast controller based on HomePlug

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be described in detail below in conjunction with the drawings and technical solutions.

[0026] (1) The overall structure of the hardware

[0027] The overall hardware structure of the HomePlug-based train digital radio controller includes two parts: the main control module and the communication module. The overall hardware structure block diagram is as follows: figure 2 shown. The main control module includes the main control chip and peripheral circuits, responsible for the initialization of the train digital broadcasting controller, the clock synchronization of the train digital broadcasting system, the fault monitoring and management of each device in the train digital broadcasting system, the control and processing of audio and video streams and MVB The operation of the network high-level protocol; the communication module includes the USB sub-module, the HomePlug power line carrier network sub-mod...

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Abstract

The invention belongs to the technical field of embedded computers, and relates to a train digital broadcast controller based on HomePlug. The train digital broadcast controller comprises a main control module and a communication module. The main control module is composed of a main control chip and a peripheral circuit thereof, the main control module is responsible for the initialization of a train digital broadcast system, clock synchronization, fault monitoring and management, control and processing of audio and video streams, and operation of an MVB network high layer protocol. The communication module is composed of a USB submodule, a HomePlug power line carrier network submodule, an Ethernet submodule, an RS232 submodule and an MVB submodule. The communication module provides data access portals for log recording of network communication and the train digital broadcast system, program update and the debugging of the train digital broadcast controller. The functional modules workin coordination to form a complete train digital broadcast controller. The train digital broadcast controller provided by the invention can be applied in the fields of bullet trains, city subways, light rails or the like of the rail traffic system.

Description

technical field [0001] The invention belongs to the technical field of embedded computers, and relates to a train digital broadcasting controller based on HomePlug. Background technique [0002] The emergence and development of train digital broadcasting system cannot be separated from the rapid development of train communication network technology. In recent years, in the practical application of the train communication network, the scheme of using TCN (Train Communication Network) to form the control network and industrial Ethernet to form the multimedia information network has become the mainstream. Because of TCN's advantages in network real-time and reliability, it will also occupy a dominant position in the train control network for a long time. With the application of multimedia technology in the train broadcasting system, the network communication volume has increased significantly, and the application of industrial Ethernet in the train communication network is inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04H20/62H04H20/84H04H60/09H04H60/87H04H60/95H04B3/54H04L12/40
CPCH04H20/62H04B3/542H04H20/84H04H60/09H04H60/87H04H60/95H04L12/40H04L2012/40267
Inventor 刘全利殷辉王伟
Owner DALIAN UNIV OF TECH
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