CN108872367A - A kind of video Eddy Current Testing Transducer and detection method - Google Patents
A kind of video Eddy Current Testing Transducer and detection method Download PDFInfo
- Publication number
- CN108872367A CN108872367A CN201810809016.5A CN201810809016A CN108872367A CN 108872367 A CN108872367 A CN 108872367A CN 201810809016 A CN201810809016 A CN 201810809016A CN 108872367 A CN108872367 A CN 108872367A
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- eddy current
- video
- transparent flexible
- flexible film
- test coil
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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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a kind of video Eddy Current Testing Transducer and detection methods, video camera is disposed using position is fixed above transparent flexible film test coil of eddy current, integrated video Eddy Current Testing Transducer is made, in detection process, transparent flexible film test coil of eddy current is motivated to obtain eddy current testing signal, video camera acquires video image at the same time, to realize the synchronous eddy current testing signal and video signal for obtaining tested metal pipe material surface, efficiently solve the problems, such as that eddy current signal existing for metal pipe material surface defect video EDDY CURRENT and vision signal are nonsynchronous.
Description
Technical field
The present invention relates to a kind of non-destructive testing device and methods, more particularly to a kind of video Eddy Current Testing Transducer and inspection
Survey method.
Background technique
Currently, all there is the orientation problem of physical spatial location in video EDDY CURRENT, such as metal material weld seam Online Video
EDDY CURRENT, eddy current probe are usually one in front and one in back placed with video probe, with the variation of detection speed, eddy current probe and view
Frequency probe is easy to produce dislocation, leads to video signal and the nonsynchronous problem of eddy current signal.
Summary of the invention
It is an object of the invention to by a kind of video Eddy Current Testing Transducer and detection method, to solve background above skill
The problem of art part is mentioned.
The technical solution adopted by the present invention to solve the technical problems is：A kind of video Eddy Current Testing Transducer, including it is saturating
Bright fexible film test coil of eddy current, video camera, which is characterized in that the transparent flexible film test coil of eddy current is,
Using transparent flexible printed circuit film, test coil of eddy current made of helix circuit is printed；The video camera is fixed on
The surface of transparent flexible film test coil of eddy current center.Further, it is vortexed and is examined using multiple transparent flexible films
Test coil, multiple video cameras form line style or face type array video Eddy Current Testing Transducer.
A kind of detection method of video Eddy Current Testing Transducer, using above-mentioned apparatus, it is characterised in that：In detection process,
Sensor is placed in tested metal pipe material surface, is adopted using video eddy current testing instrument excitation transparent flexible film test coil of eddy current
The eddy current testing signal for collecting tested metal pipe material surface is fixed on transparent flexible film test coil of eddy current center at the same time
The video camera of the surface of position is detected metal pipe material surface through transparent flexible film test coil of eddy current captured in real-time
The video image information of state, in this way, which the eddy current testing signal and video for obtaining tested metal pipe material surface can be synchronized
Picture signal.
The invention has the advantages that a kind of video Eddy Current Testing Transducer and detection method, using thin in transparent flexible
Fixed position disposes video camera above film test coil of eddy current, and integrated video Eddy Current Testing Transducer is made, detected
Cheng Zhong, excitation transparent flexible film test coil of eddy current obtain eddy current testing signal, and video camera acquires video at the same time
Image efficiently solves gold to realize the synchronous eddy current testing signal and video signal for obtaining tested metal pipe material surface
Belong to eddy current signal existing for tube surfaces defect video EDDY CURRENT and the nonsynchronous problem of vision signal.
Invention is further described in detail with reference to embodiments, but a kind of video EDDY CURRENT sensing of the invention
Device and detection method are not limited to the embodiment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the sensor structure schematic elevation view of the embodiment of the present invention one.
Fig. 2 is the sensor structure schematic top plan view of the embodiment of the present invention one.
Fig. 3 is the linear array formula sensor structure schematic top plan view of the embodiment of the present invention two.
Fig. 4 is the sensor detecting method schematic diagram of the embodiment of the present invention.
In figure, 1. transparent flexible film test coil of eddy current, 2. video cameras, 3. video eddy current testing instruments, 4. are detected
Metal pipe material.
Specific embodiment
Embodiment one, as shown in Figure 1, 2, a kind of video Eddy Current Testing Transducer, including transparent flexible film EDDY CURRENT
Coil 1, video camera 2, which is characterized in that the transparent flexible film test coil of eddy current 1 is to be printed using transparent flexible
Circuit film prints test coil of eddy current made of helix circuit；The video camera 2 is fixed on transparent flexible film vortex
The surface of 1 center of detection coil.
Embodiment two, as shown in figure 3, further, using multiple transparent flexible film test coil of eddy current 1, multiple views
Frequency camera 2 forms linear array formula video Eddy Current Testing Transducer.
Embodiment, as shown in figure 4, a kind of detection method of video Eddy Current Testing Transducer, using above-mentioned apparatus, feature
It is：In detection process, sensor is placed in tested 4 surface of metal pipe material, transparent flexible is motivated using video eddy current testing instrument 3
The eddy current testing signal that film test coil of eddy current 1 acquires tested 4 surface of metal pipe material is fixed on transparent flexible at the same time
The video camera 2 of the surface of 1 center of film test coil of eddy current is real through transparent flexible film test coil of eddy current 1
When shoot the video image information of tested 4 surface state of metal pipe material, in this way, which the tested metal pipe material 4 of acquisition can be synchronized
The eddy current testing signal and video signal on surface.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, and is not departing from this
Under the premise of invention design spirit, any person skilled in the art is modified, equally any made by technical solution of the present invention
Replacement and improvement, should all fall into the protection scope that claims of the present invention determines.
Claims (3)
1. a kind of video Eddy Current Testing Transducer, including transparent flexible film test coil of eddy current, video camera, feature exist
In the transparent flexible film test coil of eddy current is, using transparent flexible printed circuit film, to print made of helix circuit
Test coil of eddy current；The video camera is fixed on the surface of transparent flexible film test coil of eddy current center.
2. a kind of video Eddy Current Testing Transducer according to claim 1, it is characterised in that：Further, use is multiple
Transparent flexible film test coil of eddy current, multiple video cameras form line style or face type array video EDDY CURRENT sensing
Device.
3. a kind of detection method of video Eddy Current Testing Transducer, using device described in claim 1,2, it is characterised in that：
In detection process, sensor is placed in tested metal pipe material surface, transparent flexible film whirlpool is motivated using video eddy current testing instrument
The eddy current testing signal that detection coil acquires tested metal pipe material surface is flowed, at the same time, is fixed on transparent flexible film vortex
The video camera of the surface of detection coil center is tested through transparent flexible film test coil of eddy current captured in real-time
The video image information of metal pipe material surface state, in this way, which the vortex inspection for obtaining tested metal pipe material surface can be synchronized
Survey signal and video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809016.5A CN108872367A (en) | 2018-07-23 | 2018-07-23 | A kind of video Eddy Current Testing Transducer and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809016.5A CN108872367A (en) | 2018-07-23 | 2018-07-23 | A kind of video Eddy Current Testing Transducer and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108872367A true CN108872367A (en) | 2018-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809016.5A Pending CN108872367A (en) | 2018-07-23 | 2018-07-23 | A kind of video Eddy Current Testing Transducer and detection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108872367A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136201A (en) * | 2021-12-30 | 2022-03-04 | 西安交通大学 | Eddy current probe based on optical transparent conductive medium material and film thickness measuring system and method |
| RU226390U1 (en) * | 2023-09-30 | 2024-06-03 | Ооо "Нпк "Техновотум" | DEVICE FOR NON-DESTRUCTIVE SEARCH OF DEFECTS IN HIDDEN PARTS |
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| CN2585229Y (en) * | 2002-12-19 | 2003-11-05 | 林俊明 | Vortex/video integral checking device |
| JP2015029995A (en) * | 2013-07-31 | 2015-02-16 | 住友電気工業株式会社 | Method for detecting flaw of copper rough drawing wire, and apparatus for detecting flaw of copper rough drawing wire |
| CN104764770A (en) * | 2015-03-30 | 2015-07-08 | 南京航空航天大学 | Pulsed eddy current infrared thermal imaging detection system and method for steel rail cracks |
| CN205489734U (en) * | 2016-04-01 | 2016-08-17 | 北京橙鑫数据科技有限公司 | Battery and portable electronic equipment |
| CN205861611U (en) * | 2015-11-18 | 2017-01-04 | 中国人民解放军空军工程大学 | A kind of detection arbitrarily moves towards the electromagnetism of crack defect and thermal imagery integrated detection device |
| CN108234962A (en) * | 2018-03-06 | 2018-06-29 | 江苏物润船联网络股份有限公司 | Ceiling mounting type boat-carrying video-unit and the ship video monitoring system based on AIS |
-
2018
- 2018-07-23 CN CN201810809016.5A patent/CN108872367A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585229Y (en) * | 2002-12-19 | 2003-11-05 | 林俊明 | Vortex/video integral checking device |
| JP2015029995A (en) * | 2013-07-31 | 2015-02-16 | 住友電気工業株式会社 | Method for detecting flaw of copper rough drawing wire, and apparatus for detecting flaw of copper rough drawing wire |
| CN104764770A (en) * | 2015-03-30 | 2015-07-08 | 南京航空航天大学 | Pulsed eddy current infrared thermal imaging detection system and method for steel rail cracks |
| CN205861611U (en) * | 2015-11-18 | 2017-01-04 | 中国人民解放军空军工程大学 | A kind of detection arbitrarily moves towards the electromagnetism of crack defect and thermal imagery integrated detection device |
| CN205489734U (en) * | 2016-04-01 | 2016-08-17 | 北京橙鑫数据科技有限公司 | Battery and portable electronic equipment |
| CN108234962A (en) * | 2018-03-06 | 2018-06-29 | 江苏物润船联网络股份有限公司 | Ceiling mounting type boat-carrying video-unit and the ship video monitoring system based on AIS |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136201A (en) * | 2021-12-30 | 2022-03-04 | 西安交通大学 | Eddy current probe based on optical transparent conductive medium material and film thickness measuring system and method |
| RU226390U1 (en) * | 2023-09-30 | 2024-06-03 | Ооо "Нпк "Техновотум" | DEVICE FOR NON-DESTRUCTIVE SEARCH OF DEFECTS IN HIDDEN PARTS |
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Application publication date: 20181123 |