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MVB communication control device

A communication control and controller technology, which is used in data exchange through path configuration, protection of internal/peripheral computer components, electrical components, etc., and can solve the problems of complex hardware structure, high price, and many devices.

Inactive Publication Date: 2021-12-17
成都申威科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the popular MVB controllers at home and abroad mostly adopt the structure of local CPU processor + dedicated MVB bus control chip + memory + sequential logic circuit. cumbersome
At the same time, some chips, such as MVBC, are difficult to supply, which brings great difficulties to the promotion and use of MVB bus on domestic locomotives and the development of other applications of MVB bus

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] like figure 1 Shown, a kind of MVB communication control device, comprises safety detection component, MVB functional component and PCI target component;

[0058] The safety detection component is used to cooperate with the specified key chip to perform safety verification when powering on, and generate a working signal if the verification is passed;

[0059] The MVB functional component is connected with the safety detection component, and is used to perform protocol analysis on the received phase encoding data according to the working signal, to obtain parallel data of the PCI protocol, or to process the received parallel data according to the working signal. Protocol analysis, obtain the phase encoding data of MVB agreement, send the phase encoding data of described MVB agreement in the MVB network;

[0060] The PCI target component is connected with the MVB functional component, and is used for sending the parallel data of the PCI protocol to the host computer.

...

Embodiment 2

[0092] like image 3 Shown, a kind of MVB communication control method, comprises the steps:

[0093] When the safety detection component is powered on, it cooperates with the designated key chip to perform safety verification, and if the verification passes, a working signal is generated;

[0094] The working signal starts the MVB functional assembly, and the MVB functional assembly performs protocol analysis according to the received phase encoding data to obtain parallel data of the PCI protocol, or performs protocol analysis according to the received parallel data to obtain the phase encoding data of the MVB agreement, and The phase encoding data of the MVB protocol is sent to the MVB network;

[0095] The PCI target component sends the parallel data of the PCI protocol to the host computer.

[0096] Specifically, the security detection component is connected to the specified key chip through a single-wire bus; the specified key chip and the security detection component ...

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Abstract

The invention relates to an MVB communication control device, and belongs to the technical field of MVB communication, a security detection component enables an MVB functional component, and the MVB functional component performs protocol analysis according to received phase coded data to obtain parallel data of a PCI protocol, or performs protocol analysis on the received parallel data to obtain phase coded data of an MVB protocol, and sends the phase coded data to an MVB network; and a PCI target component sends the parallel data to an upper computer. The security detection component can carry out security verification with a specified key chip, so that data in the MVB functional component is prevented from being stolen and illegally used, the MVB functional component can carry out protocol conversion on data sent by an MVB network and an upper computer, and then the converted data are sent to the MVB network and the upper computer respectively, so that the device has the characteristics of high reliability, high speed, information security, convenience and easiness in use.

Description

technical field [0001] The invention relates to the technical field of MVB communication, in particular to an MVB communication control device. Background technique [0002] MVB: The full name is Multifunction Vehicle Bus, which means multifunctional vehicle bus in Chinese. It is a serial data communication bus that can connect standard equipment in the same vehicle or different vehicles to train communication. It is interoperable and interchangeable, with a fixed transfer rate of 1.5Mbit / s. PCI: The full name is Peripheral Component Interconnect, which is a peripheral component interconnection standard. [0003] At present, the popular MVB controllers at home and abroad mostly adopt the structure of local CPU processor + dedicated MVB bus control chip + memory + sequential logic circuit. cumbersome. At the same time, some chips, such as MVBC, are difficult to supply, which brings great difficulties to the popularization and use of MVB bus on domestic locomotives and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40G06F21/85
CPCH04L12/40169G06F21/85H04L2012/40273
Inventor 郑泽锐王荣丰李晋霍旭东周旭涛胡波
Owner 成都申威科技有限责任公司
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