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Linear displacement sensor test device applicable to high and low temperature environment

A technology of linear displacement sensors and testing devices, applied in measuring devices, instruments, etc., can solve problems that have not yet been researched, achieve the effect of canceling the manual rough adjustment process, reducing the influence of deformation, and realizing high-precision relative motion

Inactive Publication Date: 2017-02-15
BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, no relevant research has been carried out on the testing device of the line displacement sensor in the high and low temperature environment

Method used

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  • Linear displacement sensor test device applicable to high and low temperature environment
  • Linear displacement sensor test device applicable to high and low temperature environment
  • Linear displacement sensor test device applicable to high and low temperature environment

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Embodiment Construction

[0028] A testing device for a linear displacement sensor suitable for high and low temperature environments of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] Such as Figure 2 ~ Figure 4 As shown, a testing device for linear displacement sensors suitable for high and low temperature environments of the present invention mainly realizes the relative linear motion of the stator and the mover, and the mechanical platform adopts a vertical structure. Specifically, a test device for line displacement sensors suitable for high and low temperature environments of the present invention includes a lifting system, a rotating system 8, a stator mounting bracket 3, a mover mounting bracket 6, a high and low temperature test chamber 5, a base 2 and a leveling ground. Foot 1: The stator is fixed inside the high and low temperature test chamber 5 through the stator mounting bracket 3; the moving element mounting...

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Abstract

The invention belongs to the technical field of sensor tests in the aviation industry, and specifically relates to a linear displacement sensor test device applicable to the high and low temperature environment. According to the device, a stator is fixed in a high and low temperature test box through a stator installation support, a rotation system is provided with a rotor installation support, a rotor is fixed on the rotor installation support, the rotation system can drive the rotor to rotate, and the coaxiality between the stator and the rotor is adjusted; an elevating system is connected with the rotation system, and the rotation system can be driven to move in the vertical direction so that vertical movement of the rotor of the rotation system in the high and low temperature test box can be realized; a base serves as the common reference of the whole test device and has a support effect on each part; and horizontal adjustment of the whole test device is realized through leveling anchors. According to the device, the high and low temperature test environment is simulated, high-precision relative movement of the stator and the rotor of a linear displacement sensor is realized, artificial rough adjusting process during the test is cancelled, and automation of the test process is realized.

Description

technical field [0001] The invention belongs to the technical field of sensor testing in the aviation industry, and in particular relates to a testing device for a line displacement sensor suitable for high and low temperature environments. Background technique [0002] In recent years, with the rapid development of the aviation industry, sensor technology, as one of the three pillars of the modern information industry, has been widely used in many aspects of aircraft development. In the aircraft system test, the linear displacement sensor is the key link to obtain the test information, its static performance and the accuracy of the test data directly affect the performance of the flight system and the validity of the data. [0003] According to the requirements of the flight test, the linear displacement sensor is mainly divided into two types: single redundancy and redundant degree. The number of channels in the sensor and the number of installed inductive elements determi...

Claims

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Application Information

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IPC IPC(8): G01B21/02
Inventor 曹玉梅刘亚辰罗平张广亮赵健逯海张俊秀
Owner BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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