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Ultrasonic Imaging System COE200508
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Ultrasonic flaw detection applications utilize frequencies between 500 kHz and 10 MHz ... DirectX SDK 9.0. ?????????????????????????. ?????????????????????????? ... – PowerPoint PPT presentation
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Title: Ultrasonic Imaging System COE200508
1
????????????????????????????????????Ultrasonic
Imaging System COE2005-08
- ????????
- ??? ??????? ????????? ???? 453040870-4
- ??? ?????? ???????????? ???? 453040927-1
- ?????? ????? ?????????? ???? 453040963-7
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2
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3
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- ??????????????????????????????????????????????????
????? - ??????????????????????????????????????????????????
?????? - ????????????????????????????????????????
4
?????
- Non Destructive Test Ultrasonic Pulse Echo
- What is ultrasonic?
- Frequency more than 20 kHz
- Travels efficiently through most liquids and
common - engineering materials
- Reflection from an obstacle
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- Ultrasonic thickness gauging
- Ultrasonic flaw detection applications utilize
frequencies between 500 kHz and 10 MHz
Thickness gauging and flaw reflection
Example equipment for testing
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System overview
- Probe positioning module
- Ultrasonic module
- GUI CG module
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System overview
Processing and generating output..
Camera
(x,y)
s(x,y)
Ultrasonic probe
Probe coordinate is (3,1)
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- Displaying Output
- Integrate and analyse data
The green area is thicker than the blue one
Same point
Thickness scale color bar
Output prototype
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- ????????????????????????????????????
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????????????????
- Hardware
- Data Acquisition Card
- Emitting
- Receiving
- Ultrasonic probe
- Camera
- Software
- Platform Windows XP
- Microsoft VC .NET
- LABVIEW 7.1
- DirectX SDK 9.0
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12
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13
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- ??????????????????????????????????????????????????
?????????????????????? - ??????????????????????????????????????????????????
?? - ??????????????? Lab View 7.1 ?????????????????????
????????????
14
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- ??????????????????????????????????????????????????
???????????????????3
15
?????????????
- Benson Carlin, Ultrasonics (Second Edition), 1960
- http//www.panametrics-ndt.com/ndt/ndt_technology/
ultrasonic_flaw_detection.html - ??????? ?????????, ?????? ?????????,
??????????????????????????????????????????????????
???????????????????, 2547
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