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Compact Peripheral Interconnect Bus Board

An interconnected bus and compact technology, which is applied in the direction of instruments, measuring devices, and digital measurement technology for measurement, etc., can solve problems such as poor stability, poor real-time performance, and low test accuracy, achieve stability and consistency improvement, and reduce burden Effect

Active Publication Date: 2022-02-01
航天新长征大道科技有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a compact peripheral interconnection bus board to solve the problems in the prior art that the compact peripheral interconnection bus board cannot be tested in parallel, the test accuracy is low, the real-time performance is poor, and the stability is poor

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0037] An embodiment of the present invention provides a CPCI bus board for voltage testing, including a Microcontroller Unit (MCU for short) and multiple measurement units controlled by the MCU. The measurement unit includes an analog-to-digital conversion (Analog-to-Digital Converter, ADC for short) measurement module, a signal conditioning module and an input channel module. The input channel module is used to send the signal to be tested to the signal conditioning module. The signal condit...

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Abstract

The invention provides a compact peripheral interconnection bus board for voltage testing, the board includes a micro control unit and a plurality of measurement units; wherein the micro control unit is used to control a plurality of measurement units; the measurement unit includes a module digital conversion measurement module, signal conditioning module and input channel module; the input channel module is used to send the signal to be tested to the signal conditioning module; the signal conditioning module is used to process the received signal to be tested to obtain the data to be tested, and The measured data is sent to the analog-to-digital conversion measurement module; the analog-to-digital conversion measurement module is used to sample the data to be measured to obtain sampled data, and send the sampled data to the micro-control unit; the micro-control unit is used to calculate the voltage measurement result based on the sampled data. The compact peripheral interconnection bus board provided by the embodiment of the present invention not only realizes parallel test capability, but also improves the stability, consistency and anti-interference capability of voltage signal measurement.

Description

technical field [0001] The invention relates to the field of compact peripheral interconnection bus boards, in particular to a compact peripheral interconnection bus board. Background technique [0002] With the advancement of science and technology, test equipment began to develop in the direction of miniaturization and specialization. Compact Peripheral Component Interconnect (CPCI for short) bus products have the advantages of fast speed, small size, high test accuracy, modularization, etc., and are recognized as one of the most promising buses. CPCI bus is widely used in aerospace testing and industrial automation testing and other fields. Voltage measurement is the measurement of the basic parameters of the measured object. The test equipment should have the ability to perform single repetition test, polling test and parallel test on the voltage parameters of the single machine under test. Existing CPCI bus boards usually only have a set of floating measurement combi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/25
CPCG01R19/2503
Inventor 刘瀛解月江原坤韩兵兵边远鲁林叶波张东瑶张兴春单光兴张阳
Owner 航天新长征大道科技有限公司
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