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Impurity particle detecting sensor testing device and method

A testing device, particle detection technology, applied in the direction of measuring device, particle suspension analysis, particle and sedimentation analysis, etc., can solve the problem of lack of suitable and targeted test equipment, etc., to improve the detection performance, the detection results are true, The effect of high accuracy

Active Publication Date: 2019-05-03
AECC COMML AIRCRAFT ENGINE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The lubricating oil and metal chip sensor is a new type of special sensor. In addition to being installed on the actual working equipment for testing, there is still a lack of suitable and targeted test equipment in China.

Method used

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  • Impurity particle detecting sensor testing device and method
  • Impurity particle detecting sensor testing device and method
  • Impurity particle detecting sensor testing device and method

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Embodiment Construction

[0045] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0046] In describing the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "upper", "lower", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplifie...

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Abstract

The invention relates to an impurity particle detecting sensor testing device and method. The device includes a liquid circulation pipe (12), a particle injection port (13) and a bubble generating device, wherein the test liquid (5) flows in the liquid circulation pipe (12), the particle injection port (13) is used for injecting impurity particles (6) with known target parameter values into the test liquid (5), and the bubble generating device is used for generating bubbles in the test liquid (5) to detect parameter values of the target parameters of the impurity particles (6) flowing along with the test liquid (5) in a bubble state and a bubble-free state by a to-be-tested sensor (31). The device is advantaged in that the bubbles can be generated in the test liquid, the actual working environment of the impurity particle detecting sensor can be more realistically simulated, and thereby the detection result of the sensor on the impurity particles is more realistic, and higher accuracyis realized.

Description

technical field [0001] The invention relates to the technical field of sensor performance detection, in particular to a sensor testing device and method for detecting impurity particles. Background technique [0002] As an important component of the aero-engine health management system, the lubricating oil metal chip sensor is used to monitor the size and weight of metal and non-metallic particles in the lubricating oil pipeline, so as to measure the mechanical loss state of the engine, evaluate the probability of failure, and achieve Early warning. In the process of R&D and design of the sensor, testing equipment is needed to simulate the detection test of the sensor in the installed state. By obtaining the test data, the characteristics of the sensor can be optimized and error correction can be performed to improve the dynamic detection performance of the sensor. [0003] Lubricating oil and metal chips sensor is a new type of special sensor. In addition to being installe...

Claims

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Application Information

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IPC IPC(8): G01N15/00G01N15/02G01N15/06
Inventor 李志江麦新晨张金晶
Owner AECC COMML AIRCRAFT ENGINE CO LTD
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