Vibration Analysis Device with Self-Aligning Sensor

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Solution Overview

Problem

Existing vibration analysis methods for vibrating machines, such as vibrating conveyors or screens, require meticulous alignment and do not fully determine and represent all vibration parameters, limiting their effectiveness and ease of use.

Innovation Solution

A vibration analysis device with a wireless sensor that automatically calculates the horizontal reference plane and attaches to the machine via a cost-effective, easy-to-use attachment device, allowing for independent evaluation of vibration data regardless of attachment orientation, using a smartphone or tablet as the computing unit to process and display data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a stroke card or measuring system is attached to a vibrating machine, then vibration behavior can be measured and analyzed, but meticulous alignment must be paid to ensure accurate results

Engineering Contradiction:
Improvevibration measurement accuracyVSAvoidalignment requirement
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The sensor automatically determines the horizontal reference plane and calculates vibration parameters independently of mounting orientation, making the system self-aligning and eliminating the need for meticulous manual alignment by the operator

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system transforms vibration data from sensor coordinates to reference plane coordinates through automatic calculation of the horizontal reference plane, enabling accurate vibration parameter determination regardless of the sensor's mounting orientation

Inventive Principle:
Principle #35Parameter changes

2Loss of information

If traditional vibration analysis methods are used, then some vibration parameters can be determined, but not all parameters characterizing the vibration can be fully determined and displayed

Engineering Contradiction:
Improvevibration parameter completenessVSAvoidanalysis system complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The system automatically determines the horizontal reference plane by analyzing vibration data in three-dimensional space, adding the dimension of automatic orientation reference to enable complete vibration parameter determination without proportionally increasing system complexity

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Measurement precision

If a sensor is attached to a vibrating machine to measure vibrations, then vibration data can be collected, but the attachment orientation affects the evaluation of vibration data

Engineering Contradiction:
Improvevibration parameter accuracyVSAvoidmounting orientation flexibility
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The system automatically transforms vibration measurements into parameters referenced to the horizontal reference plane through coordinate transformation calculations, enabling accurate vibration analysis regardless of the sensor's mounting orientation and providing mounting orientation flexibility

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables accurate, cost-effective, and easy determination of vibration parameters without the need for meticulous alignment, providing comprehensive and accessible vibration analysis data for further technical investigation.

Implementation Method 1

The computing unit 3 has at least one sensor 4 for motion and/or acceleration detection

Methodology Applied
Scientific EffectAcceleration detection: Accelerometer

Data Source

PatentEP3538853B1Vibration analysis device for a vibration machine and method for vibration representation
Publication Date: 2023.09.06 SANDVIK ROCK PROCESSING AUSTRALIA PTY LIMITED
  • EP3538853B1 patent drawingFigure 1~2
  • EP3538853B1 patent drawingFigure 3
  • EP3538853B1 patent drawingFigure 4

AI summary

The invention relates to a vibration analysis device (1) having an attachment device (2), which is coupled to a computer unit (3), wherein the computer unit (3) has at least one sensor (4) designed for movement detection and/or acceleration detection, wherein the attachment device (2) has at least one means (5) for being detachably secured to a housing of a vibration machine, in particular a vibrating conveyor or vibrating screen, wherein an optical display device (6) is provided which is designed to output data detected by the sensor (4), which is further processed in the computer unit (3). The invention also relates to a method for displaying vibration-related output information for an analysis of the behaviour of a vibration machine, in particular vibrating conveyor or vibrating screen, wherein a sensor (4) designed for movement detection and/or acceleration detection is detachably secured to a housing of the vibration machine, in particular vibrating conveyor or vibrating screen, via an attachment device (2), wherein the sensor (4) detects data which is further processed in a computer unit (3) connected to the sensor (4), wherein the further processed data is output in a display device (6). The invention further relates to a computer program (10) for carrying out certain steps when same is run on a computer system, wherein the steps include the following: detecting movement and/or acceleration raw data with a sensor (4); forwarding the raw data to a computer unit (3); further processing the raw data in the computer unit (3) to form processed data; forwarding the processed data to a display device (6); and outputting the processed data using a display device (6).