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A distributed data synchronous acquisition device and method

A distributed data and synchronous acquisition technology, applied in signal transmission systems, instruments, electrical signal transmission systems, etc., to achieve the effect of expanding the scope of application, expanding the number of points to be measured, and stabilizing performance

Active Publication Date: 2018-05-01
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing data collection device cannot realize the synchronous collection of distributed data, the present invention provides a distributed data synchronous collection device and method

Method used

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  • A distributed data synchronous acquisition device and method
  • A distributed data synchronous acquisition device and method

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Embodiment 1

[0016] A distributed data synchronous acquisition device, comprising a host computer, a total control unit, an RS485 bus, and a distributed data acquisition unit;

[0017] The total control unit includes an FPGA, a FLASH memory, a power converter, and an RS485 interface;

[0018] The number of the distributed data acquisition units is n; each distributed data acquisition unit includes a CPLD, an A / D converter, a power converter, and an RS485 interface;

[0019] Wherein, the output end of the FPGA is connected with the input end of the upper computer; the FLASH memory is connected bidirectionally with the FPGA; the output end of the power converter of the total control unit is connected with the input end of the FPGA; the RS485 interface of the total control unit is bidirectionally connected with the FPGA; n A / D converters are connected to n CPLDs in one-to-one correspondence with two-way connections; the output terminals of the power converters of n distributed data acquisitio...

Embodiment 2

[0026] A distributed data synchronous acquisition device, comprising a host computer, a total control unit, an RS485 bus, and a distributed data acquisition unit;

[0027] The total control unit includes an FPGA, a FLASH memory, a power converter, and an RS485 interface;

[0028] The number of the distributed data acquisition units is n; each distributed data acquisition unit includes a CPLD, an A / D converter, a power converter, and an RS485 interface;

[0029] Wherein, the output end of the FPGA is connected with the input end of the upper computer; the FLASH memory is connected bidirectionally with the FPGA; the output end of the power converter of the total control unit is connected with the input end of the FPGA; the RS485 interface of the total control unit is bidirectionally connected with the FPGA; n A / D converters are connected to n CPLDs in one-to-one correspondence with two-way connections; the output terminals of the power converters of n distributed data acquisitio...

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Abstract

The invention relates to a data acquisition technology, and particularly relates to a distributed data synchronous acquisition device and a distributed data synchronous acquisition method, solving the problem that the existing data acquisition device cannot realize distributed data synchronous acquisition. The distributed data synchronous acquisition device comprises an upper computer, a master control unit, an RS485 bus and distributed data acquisition units, wherein the master control unit comprises an FPGA, an FLASH memory, a power converter and an RS485 interface; the number of the distributed data acquisition units is n; each distributed data acquisition unit comprises a CPLD, an A / D converter, a power converter and an RS485 interface. The distributed data synchronous acquisition device and the distributed data synchronous acquisition method disclosed by the invention are suitable for various fields of industrial production and scientific research.

Description

technical field [0001] The invention relates to data acquisition technology, in particular to a distributed data synchronous acquisition device and method. Background technique [0002] In the process of production practice, in order to obtain the required data, it is usually necessary to convert some analog signals output by the sensor into digital signals, and then perform corresponding data processing through a computer or processing system, and finally obtain the actual processed data information. This process is called data acquisition. With the continuous development of industrial technology, data acquisition devices have more and more extensive application prospects. In the process of industrial production, affected by various factors such as product quality and production cost, it is usually necessary to monitor some parameters of the industrial production site in real time, and the data acquisition device is an effective means to solve this problem. In the process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C19/00
Inventor 杜红棉尹钊马游春李锦明张文栋熊继军刘俊谭秋林丁宁李鹏韩帅王悦凯
Owner ZHONGBEI UNIV
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