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Data Acquisition Control Unit Based on Rail Transit Test Bench

A data acquisition and control unit technology, applied in the field of integrated circuits, can solve the problems of unfavorable large-scale test bench construction, not supporting the access of distributed acquisition control equipment, single sampling rate, etc., to facilitate remote maintenance and monitoring, and convenient interface resources. Demand, the effect of convenient secondary development

Active Publication Date: 2021-10-29
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a data acquisition control unit based on a rail transit test bench to solve the existing needs in the prior art that cannot complete customization, independent configuration, etc., and do not support remote software updates and data monitoring. The sampling rate is single, which cannot meet the requirements of synchronous and parallel sampling of multi-channel data. The interface of industrial products is single, and does not support the access of distributed acquisition and control equipment. It is not conducive to the construction of large-scale test benches, and cannot provide maintenance such as product component usage times and life predictions. information problem

Method used

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  • Data Acquisition Control Unit Based on Rail Transit Test Bench
  • Data Acquisition Control Unit Based on Rail Transit Test Bench
  • Data Acquisition Control Unit Based on Rail Transit Test Bench

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Embodiment Construction

[0036] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings.

[0037] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0038] The first and second numbers are only for distinction and have no other meaning.

[0039] figure 1 The structure diagram of the data acquisition control unit provided by the embodiment of the present invention. figure 2 It is a schematic diagram of the internal resou...

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Abstract

The invention provides a data acquisition control unit based on a rail transit test bench, comprising a control cabinet, the control cabinet including a CPU board and a first number of first collection control boards and a second number of second collection control boards; the CPU board The card includes first and second processors, the first acquisition control board synchronously acquires the analog signals of multiple channels, and obtains the data corresponding to the analog signals of each channel, and the data corresponding to the analog signals of multiple channels constitutes The first data, after verifying the first data, obtains the first verification result, processes the first data and the first verification result into a differential signal and sends it to the first processor, and the first processor converts the differential signal After converting to a single-ended signal, the second data and the first verification result are obtained, and the second data is verified to obtain the second verification result, and the first and second verification results are compared, and the comparison is consistent After that, it is sent to the second processor for packaging and uploading to the application layer.

Description

technical field [0001] The invention relates to the technical field of integrated circuits, in particular to a data acquisition control unit based on a rail transit test bench. Background technique [0002] With the rapid development of rail transit vehicle products, various test benches are needed to meet the functional and performance tests of various train products. The working principle of the test bench is to control the equipment under test to perform corresponding operations sequentially through its own acquisition and control unit, and collect the data output by the equipment under test in real time to judge whether the function and performance of the equipment under test meet the design requirements, or to carry out daily testing on the product. overhaul. [0003] At present, the acquisition control unit of most test benches uses the scheme of industrial computer plus acquisition board to realize the acquisition, storage, analysis and control of test process data. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/08G05B19/042
CPCG01M17/08G05B19/0421G05B19/0428
Inventor 张相田张小松张鹏林晓晖徐顺曾祥来田广阔
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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