KR20090032482A - 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면탐촉자 - Google Patents
와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면탐촉자 Download PDFInfo
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- KR20090032482A KR20090032482A KR1020070097781A KR20070097781A KR20090032482A KR 20090032482 A KR20090032482 A KR 20090032482A KR 1020070097781 A KR1020070097781 A KR 1020070097781A KR 20070097781 A KR20070097781 A KR 20070097781A KR 20090032482 A KR20090032482 A KR 20090032482A
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- 239000000523 sample Substances 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims description 18
- 230000035515 penetration Effects 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Description
Claims (3)
- 발전설비 주요기기의 건전성을 평가하기 위해 송수신형 와전류 검사 표면 탐촉자가 대상 시험체(100) 표면 위로 주사되며, 탐촉자 코일(1,2)이 장착되는 두 조각의 탐촉자 본체(3a,3b)와, 이 탐촉자 본체(3a,3b) 후방에 설치되는 코일 간격조절 볼트(5), 탐촉자 코일(1,2)을 보호하는 코일 보호 하우징(6) 및, 탐촉자 케이블(7)을 내장하여 이루어진 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면 탐촉자에 있어서,상기 탐촉자 본체(3a,3b)에는 2개의 송수신 코일(1,2)이 코일 보호 하우징(6) 내에 장착되되, 2개의 코일중에서 고정코일(2)은 탐촉자 본체(3a,3b) 내에 고정되고, 이동코일(1)이 코일 간격조절 볼트(5)에 의해 코일 이동 그루브(12)를 따라 탐촉자 본체(3,4) 내부에서 이동행정간격(D)이 0 ~ 20㎜ 범위 내를 이동하게 되는 것을 특징으로 하는 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면 탐촉자.
- 제 1항에 있어서,상기 이동코일(1)은 코일 밀착 스프링(8)에 의해 부세되어 탐촉자가 대상 시험체(100) 표면을 주사하게 될 때 코일이 움직이지 않도록 탐촉자 본체(3a,3b)에 밀착시켜 잡음발생을 방지하도록 이루어진 것을 특징으로 하는 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면 탐촉자.
- 제 1항에 있어서, 상기 탐촉자 본체(3a,3b) 좌우로 분리된 두 조각으로 이루어져 4개의 탐촉자 본체 고정볼트(10)에 의해 서로 고정되는 것을 특징으로 하는 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면 탐촉자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070097781A KR100901003B1 (ko) | 2007-09-28 | 2007-09-28 | 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면탐촉자 |
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KR1020070097781A KR100901003B1 (ko) | 2007-09-28 | 2007-09-28 | 와전류 침투깊이 조절이 가능한 송수신형 와전류 검사 표면탐촉자 |
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KR20090032482A true KR20090032482A (ko) | 2009-04-01 |
KR100901003B1 KR100901003B1 (ko) | 2009-06-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110442115A (zh) * | 2019-08-13 | 2019-11-12 | 中国核动力研究设计院 | 核电厂数字化仪控***测试用可调节测试表笔固定夹具 |
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JPH1068715A (ja) | 1996-08-27 | 1998-03-10 | Hitachi Ltd | 渦流探傷コイルおよび渦流探傷装置 |
JP3719421B2 (ja) | 2002-04-09 | 2005-11-24 | ダイワスチール株式会社 | 有節長尺材の渦流探傷方法 |
JP2006234535A (ja) | 2005-02-24 | 2006-09-07 | Sumitomo Chemical Co Ltd | 渦流探傷試験用プローブ |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110442115A (zh) * | 2019-08-13 | 2019-11-12 | 中国核动力研究设计院 | 核电厂数字化仪控***测试用可调节测试表笔固定夹具 |
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