An Intelligent Testing System for Linear Displacement Sensor

A technology of linear displacement sensor and test system, applied in the direction of instruments, measuring devices, etc., can solve the problems of high price, difficult processing of collected data, and many types of linear displacement sensors, so as to reduce the cost and improve the calibration efficiency.

Active Publication Date: 2021-01-05
吉林省计量科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the method of calibrating linear displacement sensors in laboratories at home and abroad is to use laser length measuring machines, but there are many types of linear displacement sensors with large differences in this calibration method, and there are many types of signal acquisition systems, complex connections, high prices, and difficulties in collecting and processing data. , many problems of insufficient automation of the entire measurement process

Method used

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  • An Intelligent Testing System for Linear Displacement Sensor
  • An Intelligent Testing System for Linear Displacement Sensor
  • An Intelligent Testing System for Linear Displacement Sensor

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0055] Equip the calibrated sensor 2 on the mobile platform of the length measuring machine and measure it:

[0056] (Basic error: ±0.1%, power supply voltage: 12V, voltage output range: 0~10V, interface is 5-pin aviation plug)

[0057] 1) Roughly clamp the sensor 2 to be calibrated to the mobile platform of the length measuring machine through a special clamping device;

[0058] 2) Rotate the fine-tuning mechanism, use the vernier caliper and the level adjustment device to adjust the 2 axis of the calibrated sensor and the standard axis to the same axis;

[0059] 3) Set the power supply voltage to 12V, the signal type of the acquisition device is voltage, and the voltage output range is 0-10V;

[0060] 4) Connect the 5-pin aviation plug to the dedicated interface box, and open the corresponding channel through the software;

[0061] 5) Input the calibration information such as the name, range, specification model, serial number, manufacturer, entrusting customer name and en...

example 2

[0067] Equip the calibrated sensor 2 on the mobile platform of the length measuring machine and measure it:

[0068] (Basic error: ±0.5%, power supply voltage: 24V, current output range: 0~0.5A, interface is 4-pin aviation plug)

[0069] 1) Roughly clamp the sensor 2 to be calibrated to the mobile platform of the length measuring machine through a special clamping device;

[0070] 2) Rotate the fine-tuning mechanism, use the vernier caliper and the level adjustment device to adjust the 2 axis of the calibrated sensor and the standard axis to the same axis;

[0071] 3) Set the power supply voltage to 24V, the signal type of the acquisition device is voltage, and the current output range is 0-0.5A;

[0072] 4) Connect the 4-pin aviation plug to the dedicated interface box, and open the corresponding channel through the software;

[0073] 5) Input the calibration information such as the name, range, specification model, serial number, manufacturer, entrusting customer name and ...

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Abstract

The invention discloses an intelligent testing system for a linear displacement sensor. A linear displacement sensor intelligent testing platform formed by a virtual instrument is an instrument assembly with a standard interface, and can help a detector connect different sensors easily to form a high-precision, integrated, modular and intelligent measurement system. A developed software system canautomatically recognize the type of a sensor, and performs the signal collection, conversion and data processing. The system improves the measurement efficiency, and reduces the measurement cost. Thesystem can achieve the automatic measurement of a linear displacement sensor signal, and reduces the big errors caused by the wrong manual measurement, The system can avoid the damages to a wiring sensor of the sensor during measurement, and can achieve the integration of various types of linear displacement sensor wiring terminals. The system is wider in application rang. When the type of a to-be-tested object changes, only the related parameters of the measurement software system need to be modified.

Description

technical field [0001] The invention relates to the field of intelligent testing and measurement of linear displacement sensors, in particular to high-precision measuring equipment for voltage, current, pulse counting and digital sensor output signals. Background technique [0002] Linear displacement sensors are generally widely used in large-scale instruments and equipment such as body deformation test systems, universal testing machines, and actuators. At present, the method of calibrating linear displacement sensors in laboratories at home and abroad is to use laser length measuring machines, but there are many types of linear displacement sensors with large differences in this calibration method, and there are many types of signal acquisition systems, complex connections, high prices, and difficulties in collecting and processing data. , Many problems of insufficient automation of the entire measurement process. [0003] The linear displacement sensor intelligent acqui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/02
CPCG01B21/042
Inventor 李栋黄雷窦艳红关维琦战一欣陈宁
Owner 吉林省计量科学研究院
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