Interchangeable Acoustic Sensor Heads for Multi-Frequency Imaging
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Solution Overview
Problem
Existing acoustic imaging devices face limitations in frequency sensitivity and require expert knowledge for effective analysis, leading to time-consuming and costly inspections due to the need for multiple devices and manual selection of hardware and software, and often result in misalignment and misdiagnosis when combined with other imaging techniques.
Innovation Solution
An acoustic imaging system with interchangeable sensor heads and a processor that integrates electromagnetic and acoustic data to generate combined images, allowing for seamless integration of different frequency ranges and reducing the need for multiple devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single acoustic imaging device uses a fixed sensor array configuration optimized for a specific frequency range, then it can achieve good imaging performance for that frequency range, but it cannot effectively detect or image other frequency ranges
Solution Approach 1:
The sensor array configuration is made dynamic and reconfigurable through interchangeable sensor heads. Each sensor head contains a specific array geometry optimized for particular frequency ranges (e.g., 20Hz-20kHz, 20kHz-50kHz, ultrasonic ranges). The system dynamically adapts by physically swapping sensor heads depending on the acoustic frequency range being measured, allowing optimal imaging performance across multiple frequency bands without requiring a single fixed configuration
Solution Approach 2:
The acoustic imaging system is segmented into modular components: a base unit and interchangeable sensor heads. Each sensor head is an independent module containing specific sensor elements arranged in geometries suited for different frequency ranges. This segmentation allows the system to address different frequency requirements with specialized modules while sharing common processing and control infrastructure
2Measurement precision
If acoustic imaging requires manual selection of hardware and software for different frequency ranges and distances, then it can achieve accurate results with expert guidance, but it becomes time-consuming and requires expert knowledge
Solution Approach 1:
The system incorporates automatic detection and selection capabilities that allow it to self-configure for different measurement scenarios. The processor automatically identifies the appropriate sensor head configuration and selects suitable calculation algorithms based on the acoustic scene being measured, eliminating the need for expert manual intervention while maintaining measurement accuracy across different frequency ranges and distances
3Measurement precision
If multiple acoustic sensor arrays with different configurations are used for different frequency ranges, then each array can be optimized for its specific range, but the system complexity and cost increase
Solution Approach 1:
The base unit is designed as a universal platform that can interface with multiple types of sensor heads through standardized mechanical and electrical connections. The processor and control system are universally applicable across different sensor configurations, requiring only software configuration changes rather than hardware modifications. This multi-functionality allows a single base unit to support various frequency ranges by simply changing the sensor head module
Data Source
AI summary
Some systems include an electromagnetic imaging tool configured to receive electromagnetic radiation, a communication interface, a processor in communication with the electromagnetic imaging tool and the communication interface, and a housing. Systems can include a first sensor head having a first plurality of acoustic sensor elements arranged in a first acoustic sensor array. The communication interface can provide communication between the processor and the sensor head via wired or wireless communication. The communication interface can comprise a docking port in communication with the processor and configured to removably receive a corresponding docking mechanism of the first sensor head. Some systems may include a second sensor head having a second plurality of acoustic sensor elements. The second sensor head may be interchangeably connectable to the communication interface and/or the first sensor head.