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A Multi-channel Data Acquisition Instrument Based on Time Synchronization

A data acquisition instrument, time synchronization technology, applied in instruments, general control systems, computer control, etc., can solve the problems of large size, unsuitable for multi-point data acquisition, and low environmental adaptability

Active Publication Date: 2016-04-06
CHENGDU JOVIAN TECH EXPL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system can realize synchronous data acquisition, but the system uses a lot of hardware, high cost, low environmental adaptability, and large volume, which is not suitable for multi-point data acquisition in different places

Method used

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  • A Multi-channel Data Acquisition Instrument Based on Time Synchronization
  • A Multi-channel Data Acquisition Instrument Based on Time Synchronization
  • A Multi-channel Data Acquisition Instrument Based on Time Synchronization

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Embodiment Construction

[0051] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0052] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0053] 1. Working principle:

[0054] 1) When the sensor and the excitation source circuit are not included, the working principle of the device:

[0055] The lower computer control signal sent by the upper computer is unpacked by the processor. The processor sends the unpacked lower computer control signal to the signal control module of the FPGA control circuit and the data processing module of the FPGA control circuit, and then controls t...

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PUM

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Abstract

The invention relates to the field of data acquisition and processing, in particular to a multi-channel data acquisition instrument based on time synchronization 。 The technical problem to be solved by the present invention is to provide a multi-channel data acquisition instrument based on time synchronization in view of the problems existing in the prior art, and to collect data through the multi-channel data acquisition instrument after time correction by the VCO conditioning module, and pass Parallel data transmission between the FPGA and the processor saves the data collected by the sensor in the memory, and performs subsequent data processing by reading the data of the data storage chip or interacting with the host computer through the network port to perform data processing on the host computer. The processor, FPGA control circuit, analog-to-digital conversion and conditioning circuit and sensor circuit of the present invention are connected to each other to complete the design. The invention is applied to the field of high-speed data acquisition.

Description

technical field [0001] The invention relates to the field of data acquisition and processing, in particular to a multi-channel data acquisition instrument based on time synchronization. Background technique [0002] In the prior art, most of the data acquisition devices in the time synchronization system are components that adopt system solutions, such as the GPS-based distributed synchronous data acquisition system developed by NI Corporation, which is used for bridge detection. The system is mainly composed of GPS receiver and NIPXI acquisition equipment, including PXI chassis, PXI8187 main controller, PXI6652 synchronous clock module, PXI6602 timer, PXI4472B dynamic signal acquisition card. The system can realize synchronous data acquisition, but the system uses a lot of hardware, high cost, low environmental adaptability, and large volume, which is not suitable for multi-point data acquisition in different places. Contents of the invention [0003] The technical probl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
Inventor 齐永龙文菠聂渝磊史立东
Owner CHENGDU JOVIAN TECH EXPL
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