Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Airborne ultrasound testing system for a test object

A test object and test system technology, applied in the use of sound waves/ultrasonic waves/infrasonic waves to analyze solids, use sound waves/ultrasonic waves/infrasonic waves for material analysis, and measurement devices, etc. Problems such as Dirac-like excitation signals

Active Publication Date: 2017-08-08
夏楼激光音响有限责任公司
View PDF9 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the thermoacoustic generator used in combination with the membraneless optical microphone in the proposed setup does not exhibit the ringing effect typically exhibited by prior art test rigs (see also Fig. 2), but is able to Transmits a very short Dirac-like excitation signal within 1 microsecond

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Airborne ultrasound testing system for a test object
  • Airborne ultrasound testing system for a test object
  • Airborne ultrasound testing system for a test object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0064] figure 1 Shown in is a typical inventive device. The onboard ultrasonic waves 5 are emitted from the thermoacoustic generator 1 a into the air or into another sound propagation medium (eg a specific gas 10 that may be present in the test environment). Such specific gases may include, for example, nitrogen or carbon dioxide or gas mixtures, for example, thorlabs Inc ( https: / / www.thorlabs.de ), which is favored due to the fact that the test object 3 will not be exposed to oxygen, which is also enhanced by the fact that the pressure-related change in the refractive index depends on the medium Sensitivity of diaphragmless and non-resonant optical microphones is preferred. The sound propagation medium can also be any liquid (eg, oil, water, blood or others); however, the efficiency of the thermoacoustic generator is more favorable when used in gas. As a result, the sound propagation medium will generally be ordinary ambient air. Sound waves are incident on the test ob...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention refers to an airborne ultrasound testing system for test object (3) containing an ultrasound generator (1,9), an ultrasound receiver (2), a controller for both and a computer assisted test result interface to display an image of a tested test object (3). The ultrasound generator (1) is a resonance-free thermo-acoustic ultrasound generator which does not rely on mechanically deformable or oscillating parts and the ultrasound receiver (2) is a membrane-free optical microphone in an air or gas coupled pulse-echo arrangement or in an air or gas coupled transmission mode arrangement. With this testing system, it is possible to test objects with high precision and without liquids or disturbing ringing effects.

Description

technical field [0001] The present disclosure relates to the field of ultrasonic testing. Background technique [0002] current development status [0003] In this section, numbers within [ ] refer to prior art references recorded at the end of Section II. [0004] Non-destructive testing (NDT) methods of determining the mechanical integrity of components without introducing damage have been of great importance in various branches of industry for many years. For various purposes (e.g., comprehensive quality control in manufacturing, inspection in use, or defect assessment and monitoring in use), it is not beneficial to sacrifice test objects in the process ([1]). This inspection is especially critical in the marine, aerospace, automotive industry or construction, where material damage can endanger human safety. [0005] In these branches of industry, the need for robust, durable lightweight structures has gradually promoted the use of fiber reinforced composite (FRC) mat...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/12
CPCG01N29/12G01N29/221G01N29/223G01N29/2418G01N29/2456G01N29/262G01N29/32G01N2291/0231G01N2291/102
Inventor 巴尔萨泽·费希尔
Owner 夏楼激光音响有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com