Dampening Tube Sensor Mount for Equipment Sound Monitoring
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Solution Overview
Problem
Existing methods for fault detection in industrial equipment using ultrasound emissions face challenges in tight spaces and areas inaccessible due to safety, compliance, or economic concerns, where traditional sound detection methods are not feasible.
Innovation Solution
A system and method for remotely collecting sound data from industrial equipment using a transducer box with a dampening tube that is non-contactingly inserted into a cavity within the equipment, allowing for data transmission to a server for comparative analysis and alert generation, enabling effective fault detection and predictive maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional externally mounted sound collecting sensors are used, then fault detection capability is improved, but accessibility to tight spaces and hazardous areas deteriorates
Solution Approach 1:
The sound collection system is nested within the equipment housing itself. The microphone is positioned inside the housing cavity, utilizing the existing structural space rather than requiring external mounting. This allows the sensor to be located in tight or hazardous areas that would be inaccessible for external sensors.
Solution Approach 2:
A vibration isolation element acts as an intermediary between the sound collection opening and the microphone. This intermediary component transmits acoustic signals while blocking mechanical vibrations, enabling the microphone to accurately capture sound emissions from internal components without being contaminated by housing vibrations.
2Ease of operation
If externally mounted sensors are used, then installation flexibility is improved, but measurement accuracy deteriorates due to contact vibration effects
Solution Approach 1:
The vibration isolation element serves as a mediator that selectively transmits acoustic waves while blocking mechanical vibrations. This allows the microphone to receive clear sound signals from internal components without contamination from housing vibrations, significantly improving measurement precision.
Solution Approach 2:
The sound collection opening is strategically positioned at a specific location on the housing where internal component sounds are most accessible. This localized optimization ensures that the microphone captures the most relevant acoustic emissions while maintaining isolation from unwanted vibrations.
3Ease of operation
If internal sound collection is implemented, then accessibility to hazardous areas is improved, but device complexity deteriorates
Solution Approach 1:
The sound collection system is divided into separate functional modules: the housing with integrated opening, the vibration isolation element, and the microphone assembly. This segmentation allows for modular installation and maintenance, reducing overall system complexity despite the internal integration.
Solution Approach 2:
The housing structure itself serves part of the sound collection function by incorporating the opening and providing the mounting location for the microphone. This self-service approach utilizes existing structural elements, minimizing the need for additional complex components or modifications.
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 sound data collection and analysis in previously inaccessible areas, providing accurate fault detection and predictive maintenance recommendations, improving equipment reliability and reducing maintenance costs.
Implementation Method 1
A dampening tube is such that at least a portion of the dampening tube is received within the at least one cavity without contacting a surface of the electromechanical device
Data Source
AI summary
A system and method are provided for equipment sound monitoring. The system includes an electromechanical device having at least one cavity defined therein. A dampening tube is such that at least a portion of the dampening tube is received within the at least one cavity without contacting a surface of the electromechanical device. A transducer box includes an opening defined therein, the opening configured to receive at least a portion of the dampening tube. The transducer box further includes a sound detection module configured to detect at least one of audio and vibration associated with the electromechanical device. A method of connecting and using the equipment sound monitoring system are provided.