Long distance multi-channel data acquisition system

A data acquisition system and long-distance technology, applied in general control systems, control/adjustment systems, instruments, etc., can solve the problems of short collection distance and few collection channels, achieve long-distance collection, many channels, and save resources and the effect of space

Inactive Publication Date: 2016-02-03
赵双阳
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] With the development of electronic technology, communication technology, and computer technology, the application of data acquisition systems is becoming more and more extensive, but the current data acquisition systems generally have problems such as small number of acquisition channels and too short acquisition distance.

Method used

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Embodiment Construction

[0010] Such as figure 1 As shown, a long-distance multi-channel data acquisition system includes an on-site signal generation module, a V / F conversion module, a signal acquisition and processing module, a communication control module and a display module connected in sequence. The on-site signal generation module is a sine wave generator, and the communication control module adopts RS485 communication standard

[0011] 1) On-site signal generation module This module works in the remote terminal, figure 2 Shown is that the circuit composed of sine wave generator A1 is equivalent to a proportional integrator, and the circuit composed of A2 is equivalent to a comparator. After the power is turned on, the output of A2 is low level (0V), while the output of A1 is high level. Because of the capacitor C, the high level gradually increases, that is, as the capacitor C passes through RW2 and R2, it continuously Charging, so that the potential of pin 1 of A1 increases gradually. Whe...

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Abstract

The present invention relates to a long distance multi-channel data acquisition system including an on-site signal generation module, a V / F conversion module, a signal acquiring and processing module, a communication control module and a display module connected in sequence. The on-site signal generation module is a sine wave generator. The communication control module adapts the RS485 communication standard. The long distance multi-channel data acquisition system realizes the long distance data acquisition and acquires multi-channel data due to the multiple channels so that the resource and space are greatly reduced.

Description

technical field [0001] The invention relates to a long-distance multi-channel data acquisition system. Background technique [0002] With the development of electronic technology, communication technology, and computer technology, the application of data acquisition systems is becoming more and more extensive. However, the current data acquisition systems generally have problems such as small number of acquisition channels and too short acquisition distance. Contents of the invention [0003] The technical solution for realizing the object of the present invention is: a long-distance multi-channel data acquisition system, including an on-site signal generation module, a V / F conversion module, a signal acquisition and processing module, a communication control module and a display module connected in sequence. [0004] As an optimized solution of the present invention, the on-site signal generation module is a sine wave generator. [0005] As an optimized solution of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
Inventor 赵双阳
Owner 赵双阳
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