RU98104640A - Vortex Passthrough Transducer for Defectoscopy of Longitudinal Products - Google Patents

Vortex Passthrough Transducer for Defectoscopy of Longitudinal Products

Info

Publication number
RU98104640A
RU98104640A RU98104640/28A RU98104640A RU98104640A RU 98104640 A RU98104640 A RU 98104640A RU 98104640/28 A RU98104640/28 A RU 98104640/28A RU 98104640 A RU98104640 A RU 98104640A RU 98104640 A RU98104640 A RU 98104640A
Authority
RU
Russia
Prior art keywords
transducer
windings
degrees
measuring
along
Prior art date
Application number
RU98104640/28A
Other languages
Russian (ru)
Other versions
RU2146362C1 (en
Inventor
Ю.К. Федосенко
В.И. Гаврилов
В.Н. Лаврухин
А.А. Полевода
И.Ю. Федосенко
Original Assignee
ЗАО МНПО "Спектр"
Filing date
Publication date
Application filed by ЗАО МНПО "Спектр" filed Critical ЗАО МНПО "Спектр"
Priority to RU98104640/28A priority Critical patent/RU2146362C1/en
Priority claimed from RU98104640/28A external-priority patent/RU2146362C1/en
Publication of RU98104640A publication Critical patent/RU98104640A/en
Application granted granted Critical
Publication of RU2146362C1 publication Critical patent/RU2146362C1/en

Links

Claims (1)

Вихретоковый проходной преобразователь для дефектоскопии продольно-протяженных изделий, содержащий размещенные в пазах каркаса обмотку возбуждения и две (пару) дифференциально включенные измерительные обмотки для обнаружения дефектов, отличающийся тем, что, с целью повышения достоверности и надежности контроля, он дополнительно снабжен тремя парами измерительных обмоток для обнаружения дефектов, расположенными вдоль оси преобразователя; четырьмя для измерения зазора парами также дифференциально включенных нижней и верхней обмоток; вторым каркасом с внешней стороны возбуждающей обмотки с четырьмя пазами для верхних обмоток, цилиндрическим металлическим (например, медным или алюминиевым) экраном с внутренней стороны измерительных обмоток с четырьмя секторными вырезами, имеющими ширину lэ=3l1+6l2 вдоль продольной оси преобразователя и угол раскрытия φo= 110-130 град. по угловой координате, при этом центры вырезов смещены по этой координате в точки с φ1= 0 град., φ2= 90 град., φ3= 180 град., φ4= 270 град. и совпадают с центрами четырех зон расположения измерительных обмоток вдоль продольной оси преобразователя, где l1 - ширина измерительной обмотки, а l2 -расстояние между этими обмотками.Eddy current transducer for defectoscopy of longitudinally extended products, containing an excitation winding and two (pair) differentially connected measuring windings for detecting defects located in the grooves of the frame, characterized in that, in order to increase the reliability and reliability of control, it is additionally equipped with three pairs of measuring windings to detect defects along the axis of the transducer; four for measuring the clearance in pairs of the differentially included lower and upper windings; a second frame on the outside of the exciting winding with four grooves for the upper windings, a cylindrical metal (for example, copper or aluminum) screen on the inside of the measuring windings with four sector cutouts having a width l e = 3l 1 + 6l 2 along the longitudinal axis of the transducer and an angle disclosure φ o = 110-130 degrees. along the angular coordinate, while the centers of the cutouts are shifted along this coordinate to points with φ 1 = 0 degrees, φ 2 = 90 degrees, φ 3 = 180 degrees, φ 4 = 270 degrees. and coincide with the centers of the four zones of the location of the measuring windings along the longitudinal axis of the transducer, where l 1 is the width of the measuring winding, and l 2 is the distance between these windings.
RU98104640/28A 1998-02-20 1998-02-20 Eddy-current bushing converter for detection of flaws in longitudinally extended articles RU2146362C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98104640/28A RU2146362C1 (en) 1998-02-20 1998-02-20 Eddy-current bushing converter for detection of flaws in longitudinally extended articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98104640/28A RU2146362C1 (en) 1998-02-20 1998-02-20 Eddy-current bushing converter for detection of flaws in longitudinally extended articles

Publications (2)

Publication Number Publication Date
RU98104640A true RU98104640A (en) 1999-12-20
RU2146362C1 RU2146362C1 (en) 2000-03-10

Family

ID=20203346

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98104640/28A RU2146362C1 (en) 1998-02-20 1998-02-20 Eddy-current bushing converter for detection of flaws in longitudinally extended articles

Country Status (1)

Country Link
RU (1) RU2146362C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2590940C1 (en) * 2015-04-01 2016-07-10 Российская Федерация, от имени которой выступает Государственная корпорации по атомной энергии "Росатом" Through-type eddy current converter

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