Integrated Vehicle Vibration Analyzer with Wireless 3-Axis Detection

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Solution Overview

Problem

Conventional vibration analyzers for vehicles lack self-contained batteries, wireless communication capabilities, and are limited to single-axis vibration detection, requiring external sensors and manual mounting, which hinders efficient data collection and analysis of torsional vibrations in vehicles.

Innovation Solution

A vehicle vibration analyzer with a 1/2/3 axis accelerometer, host interface microcontroller, and wireless connectivity, allowing for network communication, self-testing, and integration with vehicle data from the electronic control unit, enabling flexible deployment and accurate vibration analysis across multiple axes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional vibration sensors are used without self-contained batteries and wireless communication, then device complexity is reduced, but ease of operation and productivity deteriorate due to requiring external sensors and manual mounting

Engineering Contradiction:
Improveease of deploymentVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines the vibration sensor, battery, wireless communication module, and processing unit into a single integrated vibration analyzer device. This merging eliminates the need for separate external sensors and manual connections, allowing the device to be simply mounted on the vehicle component and automatically collect and transmit vibration data wirelessly, thereby improving ease of operation without significantly increasing perceived complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The vibration analyzer is designed as a self-contained unit with an integrated battery that provides autonomous power supply, eliminating the need for external power sources or frequent manual intervention. The device independently performs vibration detection, data processing, and wireless transmission, requiring minimal user involvement after initial deployment, thus enhancing ease of operation.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If conventional single-axis vibration sensors are used, then device complexity is reduced, but measurement precision deteriorates due to limited vibration detection capability

Engineering Contradiction:
Improvevibration detection accuracyVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs a 3-axis accelerometer that measures vibration along three perpendicular axes (X, Y, Z) simultaneously. This dimensional expansion from single-axis to three-axis measurement enables comprehensive capture of torsional and multi-directional vibrations, significantly improving measurement precision by detecting vibration components that would be missed by single-axis sensors.

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

Solution Approach 2:

The multi-axis accelerometer serves multiple functions: it detects vibrations in different directions, identifies torsional vibration patterns, and provides comprehensive vibration characterization. This universal sensing capability improves measurement precision across various vibration types without requiring multiple separate single-axis sensors, thereby managing device complexity effectively.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If vibration sensors are mounted on the plane of measured vibration axis only, then ease of operation is improved, but adaptability deteriorates due to limited mounting flexibility

Engineering Contradiction:
Improvemounting flexibilityVSAvoidease of deployment
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The 3-axis accelerometer measures vibrations along three perpendicular axes, which means the sensor can detect vibration regardless of its mounting orientation. This dimensional measurement capability allows the device to be mounted on various surfaces and components at different angles, significantly improving adaptability and mounting flexibility without compromising measurement accuracy.

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

Solution Approach 2:

The vibration analyzer is designed to function effectively regardless of mounting orientation, making it universally applicable to different vehicle components and locations. The device can be mounted on engines, exhaust systems, or other vibrating components with varying surface geometries, enhancing adaptability while maintaining ease of deployment through simple attachment procedures.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Productivity

If external sensors and multi-channel analyzers are used without network capabilities, then device complexity is reduced, but productivity deteriorates due to inefficient data collection and analysis

Engineering Contradiction:
Improvedata collection efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces manual data collection and analysis procedures with an automated electronic system. The vibration analyzer continuously monitors vibration parameters, processes the data internally, and wirelessly transmits results to remote devices or cloud platforms. This substitution of manual operations with automated electronic processing significantly improves data collection efficiency and productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The wireless communication module acts as an intermediary between the vibration sensor and external analysis systems. It enables automatic data transmission from the vehicle-mounted sensor to remote devices, eliminating the need for manual data retrieval and initial analysis steps, thereby improving productivity through automated data flow.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 efficient, networked vibration data collection and analysis across multiple axes, reducing false signals and facilitating quicker diagnosis by integrating sensors and communication capabilities within the analyzer, thus improving the evaluation of vehicle component vibrations.

Implementation Method 1

a vibration sensor, such as a 1/2/3 axis accelerometer

Methodology Applied
Scientific EffectAccelerometer: Accelerometer

Data Source

PatentEP2972146B1Vibration analyzer for vehicle diagnostics
Publication Date: 2019.11.27 BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC
  • EP2972146B1 patent drawingFigure 1A~1C
  • EP2972146B1 patent drawingFigure 2~3

AI summary

A vibration analyzer with an integrated sensor and method are provided to sense a vibration in a component of a vehicle. The vibration analyzer includes a three-axis accelerometer, a controller, a connector, a wireless interface and a battery. The vibration analyzer receives vibration data and vehicle data and packages them together and transmits the packaged data to a remove device such as a scan tool. The vibration analyzer can be networked with the remote device or with another vibration analyzer.