WO2014042349A1 - 배관 검사 장치 및 배관 검사 시스템 - Google Patents
배관 검사 장치 및 배관 검사 시스템 Download PDFInfo
- Publication number
- WO2014042349A1 WO2014042349A1 PCT/KR2013/006388 KR2013006388W WO2014042349A1 WO 2014042349 A1 WO2014042349 A1 WO 2014042349A1 KR 2013006388 W KR2013006388 W KR 2013006388W WO 2014042349 A1 WO2014042349 A1 WO 2014042349A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- opening
- fastening
- fastening part
- sensor
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02854—Length, thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0421—Longitudinal waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
Definitions
- the present invention relates to a pipe inspection device, and more particularly, to a pipe inspection device and a pipe inspection system for evaluating defects that may occur in and out of pipes.
- Visual inspection is a method of inspecting physical conditions such as corrosion, erosion, and abrasion by using visual aids such as the naked eye or a telescope on a test object surface.
- Visual inspection has the advantage that can be used irrespective of the size of the test object, irrespective of the material such as steel, non-ferrous metals, magnetic materials, there is a problem that can not inspect the defects generated inside the pipe.
- the thickness measurement method is an evaluation method for checking the thickness of the inside of the material mainly using ultrasonic waves.
- the thickness measuring method measures the thickness and corrosion of the pipe inside by measuring the thickness. It is easy to use as most of the measuring equipment is portable and can detect defects in the pipe, but it takes a lot of time to inspect a large area. There was an issue that took place.
- the conventional pipe inspection device can not be attached to the sensor in a narrow space between the pipes forcibly widening the space of the pipes to perform the inspection in this case there is a problem that the pipe deformation and damage the pipes.
- the present invention has been proposed to solve at least some of the above problems, and an object thereof is to provide a pipe inspection device and a pipe inspection system that can be inspected even if the space between the pipes is narrow without widening the space between the pipes.
- an object of the present invention is to provide a pipe inspection device and a pipe inspection system capable of easily and quickly inspecting a wide range of pipes using induction ultrasonic waves.
- the present invention is in contact with the pipe and the body portion for receiving the pipe; and the body portion is connected to the fastening portion surrounding the pipe; and one side of the body portion in contact with the pipe and the Provides a pipe inspection device comprising a; is provided with a sensor on at least one side of the fastening portion to determine the state of the inside of the pipe.
- the fastening part may further include an opening and closing member which is partially opened to insert the pipe.
- one side of the opening and closing member may be coupled to the body portion and a hinge to facilitate opening and closing.
- the opening and closing member may further include a connecting portion which is fastened to the opening and closing portions.
- the fastening part may further include a fixing member provided at one end to increase a fastening force with the pipe and providing a tensile force to the fastening part.
- the fastening part may further include an elastic body at one end of the fastening part to facilitate vibration absorption transmitted to the pipe, and the displacement may be adjusted by the fixing member.
- the sensors of the sensor unit may be provided symmetrically about a pipe.
- the senor may be provided as a piezoelectric sensor to inspect the inside of the pipe by using an ultrasonic wave.
- the pipe inspection device and a processing unit for processing the signals collected by the pipe inspection device to determine whether there is an abnormality in the pipe; And a display unit for providing a result by the processing unit.
- FIG. 1 is a front view of a pipe inspection apparatus according to an embodiment of the present invention.
- FIG. 2 is a side view of FIG. 1
- FIG 3 is a plan view of a pipe inspection apparatus according to another embodiment of the present invention.
- FIG. 4 is a side view of FIG. 3;
- FIG. 5 is a simplified diagram of a pipe inspection system according to another embodiment of the present invention.
- Figure 6 (a) is a simplified diagram showing the bell mode of the guided ultrasound.
- Figure 6 (b) is a graph showing the waveform inside the pipe when the induced ultrasound is generated.
- the pipe inspection apparatus 100 is connected to the body portion 110 and the body portion 110 for receiving the pipe 10 to be inspected And a sensor unit 130 having a sensor 131 disposed on the body part 110 and the fastening part 120 to surround the pipe 10.
- First one side of the body portion 110 is in contact with the pipe 10 and at the same time accommodates the pipe (10).
- the body part 110 may not only contact the pipe 10 but also function as a support for supporting the pipe 10.
- the other side of the body portion 110 is provided with a handle 111 to facilitate the installation and transport when mounting the pipe inspection apparatus 100 to the pipe (10).
- the shape of the body part 110 may vary according to the number of sensors 131 provided in the body part 110 in contact with the pipe 10.
- the sensor 131 in contact with the body portion 110 is provided with three when viewed from the front so that the body portion 110 has three surfaces of the pipe 10 It comes in contact with.
- the body part 110 is in contact with the pipe 10 with four surfaces, and various other embodiments are possible. 2 and 4, a plurality of sensors may be provided on one surface in the pipe direction.
- the fastening part 120 is connected to the body part 110 and is provided to surround the pipe 10.
- a part of the fastening part 120 surrounding the pipe 10 may be provided with the sensor 131 to inspect a state inside the pipe together with the sensor 131 attached to the body part 110.
- the fastening part 120 may include an opening and closing member 121 which may be partially opened and closed to insert the pipe 10 into the fastening part 120.
- the hinge part 122 is provided at a portion where the body part 110 is connected to the fastening part 120, and when the opening and closing member 121 is opened, the opening and closing member is opened by the hinge part 122. While 121 is rotated about the hinge portion 122 is provided a space in which the pipe 10 can be inserted.
- the opening and closing member 121 is provided so that the thickness is thin so that the opening and closing member 121 passes between the pipes 10 and the pipes 10 even when the gap between the pipe 10 and the pipe 10 is narrow. 10) can be inserted.
- connection part 123 may be further provided at an end of the opening and closing member 121 so that the opening and closing member 121 may be fastened to each other. As shown in FIG. 1, the connection part 123 may be provided in a 'd' shape to further enhance the fastening force of the opening / closing member 121.
- the opening and closing member 121 is the body portion ( It may be provided to be movable without being fixed to 110.
- the pipe inspection apparatus illustrated in FIGS. 1 and 2 has the opening and closing member 121 hingedly connected to the body portion 110, and the opening and closing member 121 rotates about the hinge portion 122. It cannot be moved in the direction.
- the pipe inspection apparatus 100 extends from the opening and closing member 121 and penetrates the body portion 110 to the fastening portion 120 It may further include an extension member 142 to be moved up and down.
- extension member 142 is provided to be hinged to the opening member, the fixing member so that the fastening portion 120 is fixed to the body portion 110 at the lower end of the extension member 142.
- 141 may be provided.
- a screw thread is formed on the outside of the extension member 142 may be provided so that the fixing member 141 can be fastened from the screw thread when the nut.
- the fixing member 141 is not limited to the nut and may be provided in various embodiments capable of moving the fastening part 120 up and down.
- the pipe inspection apparatus 100 may be provided so that the opening and closing member 121 may be rotated about the hinge portion 122 as well as moved up and down.
- the fastening force between the pipe 10 having various sizes and the fastening part 120 may be adjusted by the fixing member 141 and the connection member 142.
- the elastic body 140 may be further provided at one side of the connection member 142 such that the fastening part 120 is firmly fastened to the pipe 10.
- the elastic body 140 has one side in contact with the body portion 110 and the other side is controlled by the fixing member 141 while the displacement is adjusted by the fastening portion 120 while providing the elastic force to the fastening portion while the fastening portion 120 is in close contact with the pipe 10.
- the fastening part 120 and the body part 110 are provided with a sensor 131 for inspecting an internal state of the pipe 10, and the sensor part 130.
- the conductive wire 132 connecting the sensor 131 and the sensor 131 is provided.
- Pipe inspection apparatus 100 is the pipe 10 is a plurality of sensors 131 some of the body portion 110 is attached to the fastening portion 120 the rest of the pipe Surrounding the (10) and to check whether the inside of the pipe (10) abnormal.
- the senor 131 is provided in the circumferential direction in a symmetrical form outside the pipe 10 and may be provided in one or more in the longitudinal direction of the pipe 10, it is provided with a piezoelectric sensor 131 guided ultrasonic method Can be inspected for abnormalities in the inside of the pipe (10).
- the pipe inspection apparatus 100 includes a hinge portion 122 connecting the opening and closing member 121 of the body portion 110 and the fastening portion 120.
- the opening and closing member 121 is rotated around the fastening part 120 is opened.
- the opening and closing member 121 When the opening and closing member 121 is opened and the opening and closing member 121 is inserted between the pipes 10, the body part 110 is brought into close contact with the pipe 10, and the opening and closing member 121 is closed. The pipe 10 and the fastening part 120 are fastened.
- the body portion 110 and the fastening portion 120 of the pipe inspection device 100 can be wrapped around the pipe 10 relatively easily, and, if the thickness of the opening / closing member 121 is small, the pipe 10 Even when the passage between the pipe and the pipe 10 is narrow, the opening and closing member 121 can be easily inserted so that the sensor unit 130 can be fastened to the pipe 10.
- the ultrasonic waves due to the vibration generated by the piezoelectric element of the sensor unit 130 and the sensor 131 provided in the body portion 110 and the fastening portion 120 in contact with the pipe 10 at a predetermined interval.
- the pipe inspection apparatus 100 includes the elastic body 140 and the fixing member 141, so that the pipe 10 includes the body.
- the sensor 110 is tightly coupled to the pipe 10 by fastening the part 110 and the fastening part 120 more firmly.
- the sensor 131 is connected to the pipe 10 by opening the opening / closing member 121 so that the fastening part 120 and the body part 110 surround the pipe 10. After installation, the fixing member 141 is moved upward.
- the fastening part 120 is moved downward and the sensor part 130 provided in the fastening part 120 is in close contact with the surface of the pipe 10.
- the senor 131 provided in the body portion 110 and the pipe 10 is also attached to the body portion 110 by applying a force while moving downwards also the pipe 10 and It provides a more close effect.
- the guided ultrasonic wave is propagated to the pipe 10 using the piezoelectric sensor 131, and the axisymmetric mode is performed. Detects abnormality of pipe using bell type mode.
- the generated ultrasonic waves are transmitted in the longitudinal direction of the pipe, and when there is an abnormality in the pipe 10, unlike the normal waveform As the amplitude appears high, it is easy to check whether there is an abnormality inside the pipe.
- the pipe inspection system fastens the pipe inspection device 100 to the pipe 10 and generates a waveform of the induced ultrasonic wave generated in the piezoelectric element and flowing inside the pipe 10.
- the display unit 300 in the form of a graph showing the abnormality of the waveform at a specific point of the pipe 10 it is possible to quickly and easily inspect the inside of the pipe (10).
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims (9)
- 배관과 접하며 상기 배관을 수용하는 몸체부;상기 몸체부와 연결되며 상기 배관을 감싸는 체결부; 및상기 배관에 접하는 몸체부의 일측 및 상기 체결부의 일측 중 적어도 한곳에 센서가 구비되어 상기 배관 내부의 상태를 확인하는 센서부;를 포함하여 구성되는 배관 검사 장치.
- 제1항에 있어서,상기 체결부는 상기 배관을 삽입하기 위해 일부가 개방되는 개폐부재;를 더 구비하는 배관 검사 장치.
- 제2항에 있어서,상기 개폐부재는 개폐를 용이하게 하기 위해 일측이 상기 몸체부와 힌지로 결합되는 것을 특징으로 하는 배관 검사 장치.
- 제2항에 있어서,상기 개폐부재는 개폐되는 부분이 서로 체결되는 연결부;를 더 포함하는 배관 검사 장치.
- 제1항에 있어서, 상기 체결부는상기 배관과의 체결력을 증가시키기 위해 일단에 구비되어 상기 체결부에 인장력을 제공하는 고정부재;를 더 구비하는 배관 검사 장치.
- 제5항에 있어서,상기 체결부는 배관에 전달되는 진동흡수를 용이하게 하기 위해 상기 체결부의 일단에 탄성체;를 더 구비하고 상기 고정부재에 의해 변위가 조절되는 것을 특징으로 하는 배관 검사 장치.
- 제1항에 있어서,상기 센서부의 센서들은 배관을 중심으로 대칭되게 구비되는 것을 특징으로 하는 배관 검사 장치.
- 제1항에 있어서,상기 센서는 압전센서로 구비되어 배관 내부를 유도초음파를 이용하여 검사하는 것을 특징으로 하는 배관 검사 장치.
- 제1항 내지 제8항중 어느 한 항에 구비되는 배관 검사 장치;상기 배관 검사 장치에 의해 수집되는 신호를 처리하여 배관 내부의 이상유무를 판단하는 처리부; 및상기 처리부에 의한 결과를 표시하는 표시부;를 포함하여 구성되는 배관 검사 시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/427,626 US9709532B2 (en) | 2012-09-14 | 2013-07-17 | Pipeline inspection device and pipeline inspection system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020120102067A KR101386252B1 (ko) | 2012-09-14 | 2012-09-14 | 배관 검사 장치 및 배관 검사 시스템 |
KR10-2012-0102067 | 2012-09-14 |
Publications (1)
Publication Number | Publication Date |
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WO2014042349A1 true WO2014042349A1 (ko) | 2014-03-20 |
Family
ID=50278425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2013/006388 WO2014042349A1 (ko) | 2012-09-14 | 2013-07-17 | 배관 검사 장치 및 배관 검사 시스템 |
Country Status (3)
Country | Link |
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US (1) | US9709532B2 (ko) |
KR (1) | KR101386252B1 (ko) |
WO (1) | WO2014042349A1 (ko) |
Cited By (1)
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CN105738474A (zh) * | 2016-04-14 | 2016-07-06 | 华南理工大学 | 一种面向绞线结构损伤针状式超声导波检测装置及方法 |
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US10794867B2 (en) * | 2014-06-03 | 2020-10-06 | Acellent Technologies, Inc. | System and method of diagnosing tube sensor integrity by analysis of excited stress waves |
US20170191966A1 (en) * | 2016-01-04 | 2017-07-06 | General Electric Company | Distributed circle method for guided wave based corrosion detection in plate-like structures |
KR101867056B1 (ko) * | 2016-12-13 | 2018-06-14 | 강릉원주대학교산학협력단 | 튜브 결함 검사 장치 및 튜브 결함 검사 방법 |
GB2577920A (en) * | 2018-10-10 | 2020-04-15 | Guided Ultrasonics Ltd | Determining thickness of an elongate or extended structure |
KR102106367B1 (ko) | 2020-01-20 | 2020-05-04 | 주식회사 아이디케이 | 피에조 방식의 압전센서 |
KR20240076095A (ko) | 2022-11-23 | 2024-05-30 | 주식회사 에이티솔루션 | 열교환기 내부표면 검사장치 |
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CN105738474B (zh) * | 2016-04-14 | 2018-10-30 | 华南理工大学 | 一种面向绞线结构损伤针状式超声导波检测装置及方法 |
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KR101386252B1 (ko) | 2014-04-21 |
KR20140036430A (ko) | 2014-03-26 |
US20150247823A1 (en) | 2015-09-03 |
US9709532B2 (en) | 2017-07-18 |
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