Wireless cache recorder

A recorder and wireless technology, applied in the field of avionics, can solve the problems of data change, data card connector reliability reduction, manual intervention, etc., achieve objective data, reduce ground maintenance personnel requirements and support equipment costs, electromagnetic compatibility good sex effect

Inactive Publication Date: 2015-02-04
SHAANXI QIANSHAN AVIONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the cache recorder used, the data can be obtained conveniently by pulling out and quickly replacing the data card, but in actual use, it also occurs that the reliability of the data card connector decreases with the increase of the use time of the data card, and at the same time the data can be obtained When there is more manual intervention, there is a possibility that the data will be artificially changed

Method used

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, the present invention is described in further detail, please refer to Figure 1 to Figure 3 .

[0024] Such as figure 1 As shown, the wireless cache recorder is composed of a power supply module 1 , a data management module 2 , a wireless communication module 3 and an antenna 4 .

[0025] Such as figure 2 As shown, the data management module includes a microprocessor 201, an FPGA circuit 202, a power monitoring circuit 203, a DC / DC conversion 204, a Harvard code interface circuit 205, an ARINC-429 interface circuit 206, a DC / DC circuit 207, and a wireless control circuit 208 , a power switch circuit 209, a program memory 210, an SDRAM circuit 211, a data memory 212, an Ethernet transceiver 213, and an isolation transformer 214. Microprocessor circuit 201 is respectively connected with 3 road Ethernet transceivers 213, after Ethernet transceiver 213 and isolation transformer 214 are connected, be connected with Ethernet...

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Abstract

The invention belongs to the technical field of aviation electronics and particularly relates to a wireless cache recorder. The wireless cache recorder comprises a power module, a data management module, a wireless communication module and an antenna, wherein the power module is connected with the data management module and the wireless communication module; and the data management module is connected with the wireless communication module which is connected with the antenna. The wireless cache recorder has the advantages that a direct, reliable and fast point-to-point data exchange channel can be established between an airplane and a data analysis center of an airline company without huge additional investment and any human intervention after a commercial wireless network all over the world is used to download flight data, so that the data distribution time and relay links are effectively reduced and the need of ground maintainers and the expense of supporting equipment are reduced; and therefore, the wireless cache recorder has obvious advantages in the aspects of reducing the operation cost of the airplane, improving the maintenance efficiency of the airplane, reducing the maintenance workload and the like.

Description

technical field [0001] The invention belongs to the technical field of avionics, and in particular relates to a wireless cache recorder. Background technique [0002] The flight parameter cache recorder is used to record flight data, which can quickly and conveniently obtain flight data, shorten aircraft maintenance time, and is widely used in aircraft. In the cache recorder used, the data can be obtained conveniently by pulling out and quickly replacing the data card, but in actual use, it also occurs that the reliability of the data card connector decreases with the increase of the use time of the data card, and at the same time the data can be obtained When , there is a lot of manual intervention, and there is a possibility that the data will be artificially changed. Contents of the invention [0003] Purpose of the invention: to provide a wireless cache recorder, which is convenient to obtain data and prolongs the service life. [0004] Technical solution: a wireless...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C5/08
Inventor 邢鹏辉屠晓涛
Owner SHAANXI QIANSHAN AVIONICS
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