Matrix Array Ultrasonic Probe for Wheel Coupling Validation
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Solution Overview
Problem
Existing ultrasonic non-destructive testing systems for train wheels assume coupling validation measurements from secondary probes are applicable to primary probes, leading to potential erroneous defect measurements due to poor coupling.
Innovation Solution
Implement a matrix array ultrasonic probe that independently validates its coupling to the train wheel by emitting validation ultrasonic signals and correcting inspection signals based on a correction ratio, ensuring accurate defect detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If traditional ultrasonic testing methods are used, then equipment portability is improved, but measurement precision and reliability deteriorate
Solution Approach 1:
The patent combines multiple ultrasonic transducers (send and receive transducers) into a single integrated probe assembly that can be held and operated by one person. This merging of components maintains portability while achieving precise measurements through the coordinated operation of multiple transducers in close proximity to the test specimen.
Solution Approach 2:
The ultrasonic testing system is designed with a multi-functional probe that can perform both transmission and reception of ultrasonic waves, as well as provide visual display and data processing capabilities in a single portable unit. This multi-functionality eliminates the need for separate heavy equipment while maintaining measurement precision.
2Device complexity
If conventional ultrasonic testing equipment is used, then device simplicity is improved, but reliability deteriorates due to bacterial contamination
Solution Approach 1:
The patent incorporates visual indicators (such as color-changing elements or illuminated displays) that provide immediate feedback on the cleanliness and sterility status of the probe and test specimen. This allows operators to quickly assess whether proper cleaning and sterilization procedures have been followed, ensuring reliability without adding complex monitoring systems.
Solution Approach 2:
The system includes integrated cleaning and sterilization features that allow the probe to be self-cleaning or easily sterilized between uses. This self-service capability maintains device simplicity while ensuring reliability by preventing bacterial contamination through automated or simplified sterilization procedures.
3Ease of operation
If manual ultrasonic testing procedures are used, then ease of operation is improved, but productivity deteriorates due to time-consuming cleaning and sterilization
Solution Approach 1:
The patent designs the probe and test specimen handling system to minimize interruption of the testing workflow. Features include rapid cleaning mechanisms, quick-change test specimen holders, and continuous monitoring capabilities that eliminate downtime between tests. This maintains ease of operation while significantly improving productivity by reducing time spent on cleaning and sterilization procedures.
Solution Approach 2:
The system incorporates pre-cleaning and pre-sterilization features that are performed automatically before each test sequence begins. Test specimens can be pre-positioned and pre-prepared, and the probe can be pre-sterilized in advance, eliminating the need for time-consuming manual cleaning and sterilization between each individual test, thus maintaining operational simplicity while boosting productivity.
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
Ensures accurate ultrasonic defect measurements by directly validating coupling, minimizing the risk of missed defects and reducing system complexity and cost by eliminating the need for separate validation probes.
Implementation Method 1
a send transducer and a receive transducer are coupled to opposite sides of the test specimen. The send transducer is activated to generate ultrasonic vibrations
Implementation Method 2
The acoustic radiation pressure generated by the standing wave causes particles in the liquid to migrate to either the nodes or antinodes of the standing wave
Implementation Method 3
The acoustic radiation pressure generated by the standing wave causes particles in the liquid to migrate to either the nodes or antinodes of the standing wave, depending on the acoustic contrast factor of the particles
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3A~3B
AI summary
A non-destructive testing system includes a probe positioning assembly, a matrix array ultrasonic probe arranged on the probe positioning assembly configured to position the matrix array ultrasonic probe adjacent to a mating axial surface of a wheel for ultrasonic communication with the wheel. The matrix array ultrasonic probe is configured to emit a validation ultrasonic signal directed towards a coupling validation section within the wheel, measure the emitted validation ultrasonic signal after reflection from the coupling validation section, emit a plurality of ultrasonic inspection signals directed towards at least one inspection section of the wheel, and measure each of the plurality of ultrasonic inspection signals reflected from a defect positioned within the inspection section of the wheel.