CN108872371A - A kind of electrochemistry and vortex integrated detecting device - Google Patents
A kind of electrochemistry and vortex integrated detecting device Download PDFInfo
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- CN108872371A CN108872371A CN201810843234.0A CN201810843234A CN108872371A CN 108872371 A CN108872371 A CN 108872371A CN 201810843234 A CN201810843234 A CN 201810843234A CN 108872371 A CN108872371 A CN 108872371A
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- analog switch
- switch device
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- eddy current
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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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a kind of electrochemistry and vortex integrated detecting device, design a kind of test coil of eddy current and Electrochemical Detection probe integrated detecting device, including signal excitation module, a test coil of eddy current, two Electrochemical Detection probes, four bilateral analog switch devices, signal receiving processing module, pass through the conduction and cut-off of four bilateral analog switch devices of Time-sharing control, and the pumping signal mode of control signal excitation module, realize the EDDY CURRENT and Electrochemical Detection to examined workpiece.
Description
Technical field
The present invention relates to a kind of non-destructive testing devices, more particularly to a kind of electrochemistry and vortex integrated detecting device.
Background technique
Eddy current sensor can be used as the surface of metal material and the flaw detection of sub-surface and conductivity sorting etc., and purposes is very wide
It is general.Electrochemical sensor can be used to detect/monitor the surface corrosion state of metal material, assess it and develop rate.Vortex with
Electrochemical sensor combines, then can be from microcosmic to objective, and metal material in all directions pair detect/monitor, and passes through
Detection/monitoring result reliability is submitted in information fusion.At present be usually to examined workpiece successively respectively carry out EDDY CURRENT and
The result that two kinds are detected then is analyzed and processed by Electrochemical Detection, and same detection point location is more difficult, and detection efficiency is lower.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of electrochemistry and vortex integrated detecting device,
A kind of test coil of eddy current and Electrochemical Detection probe integrated detecting device are designed, corresponding Electrochemical Detection characteristic and whirlpool are obtained
Stream detection characteristic.
The technical solution adopted by the present invention to solve the technical problems is：A kind of electrochemistry and vortex integrated detecting device,
Including signal excitation module（T）, a test coil of eddy current（L）, two Electrochemical Detection probes（C1,C2）, four two-way moulds
Quasi- derailing switch（M1,M2,M3,M4）, signal receiving processing module（R）, it is characterised in that：The signal excitation module（T）Output
End and test coil of eddy current（L）Input terminal, bilateral analog switch device（M4）Input terminal electrical connection；The test coil of eddy current（L）
Output end and bilateral analog switch device（M1）, bilateral analog switch device（M2）Input terminal electrical connection；The bilateral analog switch device
（M1）Output end ground connection；The bilateral analog switch device（M2）Output end and Electrochemical Detection probe（C1）Input terminal electrical connection；
The bilateral analog switch device（M4）Output end and bilateral analog switch device（M3）Input terminal, signal receiving processing module input terminal
Electrical connection；The bilateral analog switch device（M3）Output end and Electrochemical Detection probe（C2）Input terminal electrical connection.Pass through timesharing
Control four bilateral analog switch devices（M1,M2,M3,M4）Conduction and cut-off, and control signal excitation module（T）Excitation
Signal mode realizes following three kinds of detection functions：
When bilateral analog switch device（M1）Conducting, bilateral analog switch device（M4）Conducting, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When cut-off, device has the function of EDDY CURRENT, signal excitation module（T）Using AC signal or pulse
Signal motivates test coil of eddy current（L）, EDDY CURRENT is carried out to examined workpiece；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）It is connected, is double
To analog switch device（M3）When conducting, device has the function of activation polarization impedance detection, signal excitation module（T）Using direct current
Signal motivates Electrochemical Detection probe（C1）, Electrochemical Detection probe（C1）With Electrochemical Detection probe（C2）To examined workpiece into
Row activation polarization impedance detection；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When conducting, device has electrochemical potentials detection function, Electrochemical Detection probe（C2）To tested work
Part carries out electrochemical potentials detection.
The invention has the advantages that a kind of electrochemistry and vortex integrated detecting device, design a kind of test coil of eddy current
With Electrochemical Detection probe integrated detecting device, pass through the conduction and cut-off of four bilateral analog switch devices of Time-sharing control, and control
The pumping signal mode of signal excitation module processed realizes EDDY CURRENT and Electrochemical Detection to examined workpiece.
Invention is further described in detail with reference to embodiments, but a kind of electrochemistry of the invention and vortex are integrated
Detection device is not limited to the embodiment.
Detailed description of the invention
The present invention is further described for middle embodiment with reference to the accompanying drawing.
Fig. 1 is the schematic device of the embodiment of the present invention.
In figure, T. signal excitation module, L. test coil of eddy current, C1. Electrochemical Detection probe, the spy of C2. Electrochemical Detection
Needle, M1. bilateral analog switch device, M2. bilateral analog switch device, M3. bilateral analog switch device, M4. bilateral analog switch device, R.
Signal receiving processing module, a. AC signal, b. pulse signal（Square wave）, c. pulse signal（Sawtooth wave）, d. direct current signal, 1.
Examined workpiece.
Specific embodiment
Embodiment, as shown in Figure 1, a kind of electrochemistry and vortex integrated detecting device, including signal excitation module（T）, one
A test coil of eddy current（L）, two Electrochemical Detection probes（C1,C2）, four bilateral analog switch devices（M1,M2,M3,M4）,
Signal receiving processing module（R）, it is characterised in that：The signal excitation module（T）Output end and test coil of eddy current（L）Input
End, bilateral analog switch device（M4）Input terminal electrical connection；The test coil of eddy current（L）Output end and bilateral analog switch device
（M1）, bilateral analog switch device（M2）Input terminal electrical connection；The bilateral analog switch device（M1）Output end ground connection；It is described two-way
Analog switch device（M2）Output end and Electrochemical Detection probe（C1）Input terminal electrical connection；The bilateral analog switch device（M4）It is defeated
Outlet and bilateral analog switch device（M3）Input terminal, the electrical connection of signal receiving processing module input terminal；The bilateral analog switch
Device（M3）Output end and Electrochemical Detection probe（C2）Input terminal electrical connection.Pass through four bilateral analog switch devices of Time-sharing control
（M1,M2,M3,M4）Conduction and cut-off, and control signal excitation module（T）Pumping signal mode, realize it is following three kinds inspection
Brake：
When bilateral analog switch device（M1）Conducting, bilateral analog switch device（M4）Conducting, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When cut-off, device has the function of EDDY CURRENT, signal excitation module（T）Using AC signal a or arteries and veins
Rush signal（Square wave b or sawtooth wave c）Motivate test coil of eddy current（L）, EDDY CURRENT is carried out to examined workpiece 1；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）It is connected, is double
To analog switch device（M3）When conducting, device has the function of activation polarization impedance detection, signal excitation module（T）Using direct current
Signal d motivates Electrochemical Detection probe（C1）, Electrochemical Detection probe（C1）With Electrochemical Detection probe（C2）To examined workpiece 1
Carry out activation polarization impedance detection；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When conducting, device has electrochemical potentials detection function, Electrochemical Detection probe（C2）To tested work
Part 1 carries out electrochemical potentials detection.
Claims (2)
1. a kind of electrochemistry and vortex integrated detecting device, including signal excitation module（T）, a test coil of eddy current（L）, two
A Electrochemical Detection probe（C1,C2）, four bilateral analog switch devices（M1,M2,M3,M4）, signal receiving processing module（R）,
It is characterized in that：The signal excitation module（T）Output end and test coil of eddy current（L）Input terminal, bilateral analog switch device
（M4）Input terminal electrical connection；The test coil of eddy current（L）Output end and bilateral analog switch device（M1）, bilateral analog switch device
（M2）Input terminal electrical connection；The bilateral analog switch device（M1）Output end ground connection；The bilateral analog switch device（M2）Output
End and Electrochemical Detection probe（C1）Input terminal electrical connection；The bilateral analog switch device（M4）Output end and bilateral analog switch
Device（M3）Input terminal, the electrical connection of signal receiving processing module input terminal；The bilateral analog switch device（M3）Output end and electrification
Learn detection probe（C2）Input terminal electrical connection.
2. a kind of electrochemistry according to claim 1 and vortex integrated detecting device, it is characterised in that：Pass through Time-sharing control
Four bilateral analog switch devices（M1,M2,M3,M4）Conduction and cut-off, and control signal excitation module（T）Pumping signal
Mode realizes following three kinds of detection functions：
When bilateral analog switch device（M1）Conducting, bilateral analog switch device（M4）Conducting, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When cut-off, device has the function of EDDY CURRENT, signal excitation module（T）Using AC signal or pulse
Signal motivates test coil of eddy current（L）, EDDY CURRENT is carried out to examined workpiece；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）It is connected, is double
To analog switch device（M3）When conducting, device has the function of activation polarization impedance detection, signal excitation module（T）Using direct current
Signal motivates Electrochemical Detection probe（C1）, Electrochemical Detection probe（C1）With Electrochemical Detection probe（C2）To examined workpiece into
Row activation polarization impedance detection；
When bilateral analog switch device（M1）Cut-off, bilateral analog switch device（M4）Cut-off, bilateral analog switch device（M2）End, is double
To analog switch device（M3）When conducting, device has electrochemical potentials detection function, Electrochemical Detection probe（C2）To tested work
Part carries out electrochemical potentials detection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843234.0A CN108872371B (en) | 2018-07-27 | 2018-07-27 | Electrochemistry and vortex integrated detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843234.0A CN108872371B (en) | 2018-07-27 | 2018-07-27 | Electrochemistry and vortex integrated detection device |
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| CN108872371A true CN108872371A (en) | 2018-11-23 |
| CN108872371B CN108872371B (en) | 2020-03-20 |
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Citations (7)
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| US4990851A (en) * | 1987-12-17 | 1991-02-05 | Atlantic Richfield Company | Transient electromagnetic method for detecting irregularities on conductive containers |
| JP2001194340A (en) * | 2000-01-11 | 2001-07-19 | Osaka Gas Co Ltd | Measuring instrument for state of cathodic protection |
| CN2572405Y (en) * | 2002-09-26 | 2003-09-10 | 中山大学 | Capillary electrophoresis multi-channel electrochemistry detector |
| CN101581700A (en) * | 2009-03-31 | 2009-11-18 | 林俊明 | Method for testing curing degree of lacquer coat of metal plate |
| CN101896809A (en) * | 2007-10-12 | 2010-11-24 | 霍尼韦尔国际公司 | Method and apparatus for electrochemical corrosion monitoring |
| CN105547990A (en) * | 2016-02-04 | 2016-05-04 | 爱德森（厦门）电子有限公司 | Device and method for in-situ monitoring reinforced concrete |
| CN107132179A (en) * | 2017-07-04 | 2017-09-05 | 爱德森（厦门）电子有限公司 | The integrated apparatus for evaluating and method of a kind of corrosion conditions of reinforcement |
-
2018
- 2018-07-27 CN CN201810843234.0A patent/CN108872371B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| US4990851A (en) * | 1987-12-17 | 1991-02-05 | Atlantic Richfield Company | Transient electromagnetic method for detecting irregularities on conductive containers |
| JP2001194340A (en) * | 2000-01-11 | 2001-07-19 | Osaka Gas Co Ltd | Measuring instrument for state of cathodic protection |
| CN2572405Y (en) * | 2002-09-26 | 2003-09-10 | 中山大学 | Capillary electrophoresis multi-channel electrochemistry detector |
| CN101896809A (en) * | 2007-10-12 | 2010-11-24 | 霍尼韦尔国际公司 | Method and apparatus for electrochemical corrosion monitoring |
| CN101581700A (en) * | 2009-03-31 | 2009-11-18 | 林俊明 | Method for testing curing degree of lacquer coat of metal plate |
| CN105547990A (en) * | 2016-02-04 | 2016-05-04 | 爱德森（厦门）电子有限公司 | Device and method for in-situ monitoring reinforced concrete |
| CN107132179A (en) * | 2017-07-04 | 2017-09-05 | 爱德森（厦门）电子有限公司 | The integrated apparatus for evaluating and method of a kind of corrosion conditions of reinforcement |
Non-Patent Citations (2)
| Title |
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| MOORE D G ET AL.: "Nondestructive inspection assessment of eddy current and electrochemical analysis to separate inconel and stainless steel alloys", 《OFFICE OF SCIENTIFIC & TECHNICAL INFORMATION TECHNICAL REPORTS》 * |
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