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Inter-dimensional decoupling three-dimensional wireless passive sensor

A wireless passive, sensor technology, applied in the field of sensors, can solve the problems of limited battery power and difficult to achieve long-term dynamic monitoring, and achieve the effect of improving processing technology and improving production efficiency

Active Publication Date: 2021-12-14
NORTHEAST DIANLI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing multi-dimensional or even six-dimensional force sensors, because wires must be used to connect strain gauges, even if information is transmitted by radio, but the battery contains limited power, it is difficult to achieve long-term dynamic monitoring

Method used

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  • Inter-dimensional decoupling three-dimensional wireless passive sensor
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  • Inter-dimensional decoupling three-dimensional wireless passive sensor

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Embodiment 1

[0040] This embodiment provides a three-dimensional wireless passive sensor with inter-dimensional decoupling, that is, a diabolo-type inter-dimensional decoupling three-dimensional wireless passive sensor, which includes an axial force-strain connection ring plate 1, a coupling force transmission shaft 2, a torque Transmission ring 3 , torque strain gauge 4 , coupling force receiving cylinder 5 , bending moment conversion shaft 6 , cross slider 7 and bending moment strain connecting ring plate 8 .

[0041] The axial force-strain connection ring plate 1 has four threaded connection holes on its upper end for connecting external parts to be detected.

[0042] The lower surface of the axial force-strain connection ring plate 1 extends downwards to form a cylindrical portion; preferably, the cylindrical portion coincides with the axis of the axial force-strain connection ring plate; A blind hole with a hexagonal cross-section is provided in the axial direction; preferably, the he...

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Abstract

The invention discloses a three-dimensional wireless passive sensor with inter-dimensional decoupling, which includes an axial force-strain connection ring plate, a coupling force transmission shaft, a torque transmission ring, a torque strain gauge, a coupling force receiving cylinder, a bending moment conversion shaft, Cross-slide and moment-strain link ring plate. The present invention can simultaneously detect the axial force component, the bending force component and the torsional force component in the coupling force, that is, structurally decouple the coupling force; and it does not need to be connected to a power supply line or collect data through a wired interface.

Description

technical field [0001] The invention relates to a three-dimensional wireless passive sensor with inter-dimensional decoupling, belonging to the technical field of sensors. Background technique [0002] At present, multi-dimensional and even six-dimensional force sensors are mainly divided into resistance strain type, piezoelectric type and capacitive force sensor, which are simple in structure, sensitive and high in precision. However, this type of sensor is decoupled by algorithm, and there are still structural problems in the separation rate of coupling force and response accuracy. [0003] The structure of the sensor is to paste or install the strain-sensitive element on the elastic element of a certain shape or by other methods. When the mechanical quantity acts on the elastic element, the elastic element deforms, and the resistance value of the strain-sensitive element changes accordingly, and then the resistance value change is converted into a voltage change output b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C17/02G01L5/1627
CPCG01L5/1627
Inventor 谭益松王新宇任立敏
Owner NORTHEAST DIANLI UNIVERSITY