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Device for 1553B bus branch relay conversion

A 4M1553B, bus technology, applied in the device field of 1553B bus branch relay conversion, to achieve the effect of taking into account real-time performance, reducing response delay, and low power consumption

Inactive Publication Date: 2019-02-12
TIANJIN JINHANG COMP TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention proposes a device for relay conversion of 1553B bus branches to solve the technical problems of increasing the length of 1553B bus branches and improving the signal strength of 1553B bus

Method used

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  • Device for 1553B bus branch relay conversion
  • Device for 1553B bus branch relay conversion
  • Device for 1553B bus branch relay conversion

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Embodiment Construction

[0038] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] This embodiment proposes a device for 1553B bus branch relay conversion, and its functional modules are composed as follows image 3 As shown, the main functional module includes two parts: the motherboard and the power board. The main board is the core module board of the relay conversion device, which realizes the functions of 4M 1553B bus data receiving and relay forwarding, and at the same time, the external power supply is introduced into the power board through the inter-board stacking connector J56-20; the power board performs external power supply Secondary conversion, and return to the main board through the inter-board stacking connector J56-20 for the latter to work normally.

[0040] The chassis of t...

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Abstract

The invention belongs to the technical field of information processing and specifically relates to a device for 1553B bus branch relay conversion. The device comprises a motherboard and a power board,wherein the motherboard is used for achieving the function of 4M 1553B bus data reception and relay conversion and introducing external power into the power board through an inter-board stack connector; the power board is used for carrying out secondary conversion on the external power and looping back the motherboard for normal work of the motherboard through the inter-board stack connector; andthe device performs signal and power supply interaction with a 4M 1553B bus system electrical cable through an external connector. The device for 1553B bus branch relay conversion in the invention has a relay function, which can convert the branch of a main bus into a branch of a slave bus; and a plurality of remote terminals can be hooked by extending a terminal from bus length to remote distance. The device for 1553B bus branch relay conversion in the invention does not need a processor for participation; FPGA intelligence is completely adopted to realize bottom-layer data word reception and dispatch, check and relay operations. The device for 1553B bus branch relay conversion in the invention has the advantages of simple structure, small volume, light weight, and low power consumptionand can be widely applied to fields such as aerospace and the like.

Description

technical field [0001] The invention belongs to the technical field of information processing, and in particular relates to a device for 1553B bus branch relay conversion. Background technique [0002] The full name of the 1553B bus is a digital time-division command / response multiplexed data bus. It is an aviation system communication bus standard formulated by the US military in 1978. have significant advantages. The 1553B bus system usually consists of a bus controller (BC) responsible for bus system task scheduling and management, multiple (less than or equal to 31) remote terminals (RT) and a bus monitor (MT) for monitoring the operating status of the bus system ( Optional) composition, dual redundant 1553B bus (with two 1553B buses) system block diagram as figure 1 shown. [0003] The 1553B bus is all the hardware required to provide a single data path between terminals, including twisted-pair shielded cables, isolation resistors, coupling transformers, etc. The twi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04B3/36G06F13/40
CPCG06F13/4027H04B3/36H04L12/40006Y02D10/00Y02D30/50
Inventor 刘桂华车扬王刚雷哲毅叶旭鸣王志亮
Owner TIANJIN JINHANG COMP TECH RES INST
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