CN107219297A - Magnetosensitive phased array probe assembly and method - Google Patents
Magnetosensitive phased array probe assembly and method Download PDFInfo
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- CN107219297A CN107219297A CN201710577140.9A CN201710577140A CN107219297A CN 107219297 A CN107219297 A CN 107219297A CN 201710577140 A CN201710577140 A CN 201710577140A CN 107219297 A CN107219297 A CN 107219297A
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- phased array
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- excitation field
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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
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or 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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of magnetosensitive phased array probe assembly and method.The component includes magnetosensitive phased array probe and electromagnetism phased array driving source；Electromagnetism phased array driving source is generated excitation field and be applied in test object by electromagnetic component to be magnetized；Excitation field is moved by the combination change of electromagnetic component in test object；Magnetosensitive phased array probe passes through the magnetizing field in magneto sensor probing test object.The detection method includes：Magnetosensitive phased array probe assembly is positioned near the peripheral surface of test object；The excitation field of generation is applied in test object and magnetized, and the excitation field is moved in test object；Magnetizing field change is determined come probing test object features by magnetosensitive phased array probe.The present invention realizes that the excitation field produced is applied on test object by electromagnetism phased array driving source, by combining control excitation field is moved in test object, realizes the detection to magnetizing field.
Description
Technical field
The present invention relates to technical field of nondestructive testing, specially magnetosensitive phased array probe assembly and method.
Background technology
Magnetosensitive probe assembly is known and in many different applications.Magnetosensitive probe assembly is used for for example checking test
Object and detection or the characteristic of differential test object, for example, burn into is empty, inclusion, length, thickness etc..Usually using single
Individual or single group probe, in order to accurately detect position of these features in test object, can use single probe repeatedly polygonal
Degree measurement or multiple probes or the other lossless detection methods of joint.Multiple test run expends the time and causes productivity ratio to drop
It is low.Moreover, moreover, combining other Non-Destructive Testings or using multiple probes simultaneously so that the difficulty increase of detection, cost
Rise and expend the time.
In the running of thermal power plant, substantial amounts of oxide skin is often produced in superheater and reheater, with thickness
Increase and unit load change, the oxide skin of inwall can come off from inner-walls of duct, and a part flows out with steam, a part of heap
Product is in superheater and the lower elbow of reheater；When accumulating amount reaches to a certain degree, reduce steam in pipeline, duct wall temperature rise
Height, exacerbates the generation of inner-walls of duct oxide skin；When overtemperature to a certain extent when, it is possible to cause pipe explosion accident.In order to
Reduce pipe explosion accident caused by scale spallation, usually when shutting down using Non-Destructive Testing method, detection superheater and reheating
The amount for the oxide skin that elbow is deposited under device.
The method of the Non-Destructive Testing generally used has：Radial imaging method testing result is directly perceived, and instrument price is expensive, work
Make efficiency low, ray Radiation On Human body has infringement so that ray detection is by a definite limitation；Pipe cutting endoscope testing result is accurate
Really, but workload is big, detection cycle length, manpower and materials expend big；Ultrasonic wave, magnetic field detection method detect that rapid, workload is small.
The content of the invention
For problems of the prior art, the present invention provides a kind of magnetosensitive phased array probe assembly and method, can
Launch the feature that the magnetic field under multiple different angles is come in probing test object, in a more accurate way shifting magnetic field, obtain accurate
The characteristic of true object to be tested.
The present invention is to be achieved through the following technical solutions：
Magnetosensitive phased array probe assembly, including it is respectively positioned at the magnetosensitive phased array probe near test object peripheral surface
With electromagnetism phased array driving source；
Described electromagnetism phased array driving source includes some electromagnetic components, and electromagnetism phased array driving source is given birth to by electromagnetic component
Magnetized into excitation field and being applied in test object；Excitation field is changed in test object by the combination of electromagnetic component
Middle movement；
The magnetosensitive phased array probe includes some magneto sensors, and magnetosensitive phased array probe passes through magneto sensor probing test
Magnetizing field in object.
It is preferred that, some electromagnetic components in described electromagnetism phased array driving source are set to planar array or conformal array or line
Property it is segmented.
It is preferred that, some magneto sensors of the magnetosensitive phased array probe are set to planar array or conformal array or linearly divided
Section.
It is preferred that, the magneto sensor uses mistor, Hall element, magnetodiode or induction coil.
It is preferred that, magnetosensitive phased array probe and electromagnetism phased array driving source are by axle of test object in separating independent cloth in opposite directions
Put, or in face of staggeredly in the same direction one arrangement of the test object in electromagnetic component and magneto sensor.
It is preferred that, the magnetosensitive phased array probe is fixed positioned on the peripheral surface of test object when excitation field is moved
Near.
Magnetosensitive phased array detection method based on above-mentioned any one magnetosensitive phased array probe assembly, it is characterised in that including
Following steps,
Magnetosensitive phased array probe assembly is positioned near the peripheral surface of test object；
Magnetized during the excitation field produced from electromagnetism phased array driving source is applied into test object, and make the excitation
Moved in test object in magnetic field；
Magnetizing field change is determined come probing test object features by magnetosensitive phased array probe.
It is preferred that, the step for moving the excitation field includes making the excitation field in test object along two dimension or three-dimensional
Move in direction.
It is preferred that, make in the step that the excitation field is moved, excitation field is by the combination change of electromagnetic component in test
Moved in object.
Further, an electromagnetic component is at least included in combination.
Compared with prior art, the present invention has following beneficial technique effect：
The present invention realizes that the excitation field produced is applied to survey by some electromagnetic components in electromagnetism phased array driving source
Try on object, and controlled by the combination to electromagnetic component so that excitation field is moved in test object, so as to logical
Detection of the magnetosensitive phased array probe realization to magnetizing field is crossed, so as to obtain the feature of test object；Accuracy of detection is high, work effect
Rate is high, and easy to operate, use cost is low.
Further, in the electromagnetic component of regular arrangement can be more conveniently and quickly the superposition by single magnetic field after
Excitation field is obtained, while when excitation field is moved, can accurately ensure the stabilization of excitation field.
Further, by relative or in the same direction arrangement, disclosure satisfy that it is various in the case of use requirement, it is easy to use,
It is wide using scope.
Brief description of the drawings
Fig. 1 is the schematic diagram that magnetosensitive phased array probe assembly axial symmetry of the present invention is arranged in opposite directions.
Fig. 2 is that magnetosensitive phased array probe assembly of the present invention interlocks the schematic diagram arranged in the same direction.
Fig. 3 is the use state figure that magnetosensitive phased array probe assembly axial symmetry of the present invention is arranged in opposite directions.
Fig. 4 is that magnetosensitive phased array probe assembly of the present invention interlocks the use state figure arranged in the same direction.
Fig. 5 is magnetosensitive phased array detection detection method flow chart of the present invention.
In figure：1- magnetosensitive phased arrays probe assembly, 2- magnetosensitives phased array probe, 3- electromagnetism phased arrays driving source, 4- magnetosensitives
Element, 5- electromagnetic components, 6- test objects.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
The invention discloses the magnetosensitive phased array probe assembly and method for the feature of probing test object 6, magnetosensitive is phased
Battle array probe assembly includes：Magnetosensitive phased array probe 2 and electromagnetism phased array driving source 3；Electromagnetism phased array driving source 3 includes multiple electricity
Magnetic cell 5, magnetosensitive phased array probe 2 includes multiple magneto sensors 4；Excitation field is applied to institute by electromagnetism phased array driving source 3
State in test object 6, the excitation field can be moved and magnetized in the test object 6, magnetosensitive phased array probe 2 is by surveying
Determine the feature of test object 6 described in magnetizing field change detection.The present invention, which is provided, to be allowed to apply the excitation under multiple different directions
The magnetosensitive phased array probe assembly for the feature that magnetic field is come in probing test object 6, excitation magnetic can be moved in a more accurate way
, obtain the characteristic of accurately object 6 to be tested.
A kind of magnetosensitive phased array probe assembly of the present invention, the feature for probing test object 6；It includes：Magnetosensitive is phased
Battle array probe 2 and electromagnetism phased array driving source 3；Excitation field is applied to the test by the phased a burst of driving source 3 of described electromagnetism
In object 6, the excitation field can be moved and magnetized in the test object 6, and the magnetosensitive phased array probe 2 is by determining
The feature of test object 6 described in magnetizing field change detection.
Described magnetosensitive phased array probe 2 is positioned at the outer of the test object 6 with described electromagnetism phased array driving source 3
Enclose near surface, with described test object 6 be axle form opposite arrangement, as shown in figure 1, magnetosensitive phased array probe assembly 1 by
Magnetosensitive phased array probe 2 and electromagnetism phased array driving source 3 arranged apart is constituted, and electromagnetism phased array driving source 3 is by magneto sensor 4
Arrangement construction is formed in array fashion, and magnetosensitive phased array probe 2 is arranged that construction is formed by electromagnetic component 5 in array fashion.
When it is detected to test object 6, as shown in figure 3, magnetosensitive phased array probe 2 and electromagnetism phased array driving source 3 are arranged apart
In the both sides of test object 6, and it is facing.
Or as shown in Fig. 2 magnetosensitive phased array probe 2 is staggeredly in the same direction in face of test object 6 with electromagnetism phased array driving source 3
In arrangement, magnetosensitive phased array probe assembly 1, magneto sensor 4 and the interleaved of electromagnetic component 5 are integrally arranged in the same direction, with array
Mode arranges that construction is formed.When it is detected to test object 6, as shown in figure 4, being spaced by magneto sensor 4 and electromagnetic component 5
The magnetosensitive phased array probe assembly 1 constructed in array fashion is staggeredly arranged in the same direction, towards the test object 6, and it is fixed
Position is near the peripheral surface of the test object 6.
The magnetosensitive phased array probe 2 is immovably positioned at the outer of the test object 6 when excitation field is moved
Enclose near surface.
The electromagnetism phased array driving source 3 includes the multiple electromagnetic components 5 for being configured to generate excitation field, the magnetosensitive phase
Control battle array probe 2 includes the magneto sensor 4 for the multiple detection magnetizing fields being configured to.
The magneto sensor 4 is using mistor, Hall element, magnetodiode or induction coil.Electromagnetic component 5 is used
The coil of ribbon core.
The multiple electromagnetic component 5 and described magneto sensor 4 are linearly Discrete controls, that is, same horizontal line or
The working condition of electromagnetic component 5 carries out identical control simultaneously on vertical line, it is produced excitation field, and hung down according to it
The working condition of source element 5 of identical quantity and position relationship in the control plane matrix of straight direction gradually or in conformal matrix
Order change produce excitation field so that excitation field from first row or row can by row or by column movement；The group passed through
The working condition of source element 5 can form that circle, triangle etc. are variously-shaped in conjunction, keep the carry out work of combined shaped progressively
Make the mobile change of state, complete the movement of excitation field；And combination can also be a source element 5, according to setting
Straight line is operated the mobile change of state, completes the movement of excitation field；So as to obtain excitation field in the side of two dimension
To movement；When the track that the rule changes is in non-rectilinear, it can realize that excitation field is moved in three-dimensional direction.It is corresponding flat
The magneto sensor 4 of face battle array or conformal array, can detect two dimension or the three-dimensional motion of magnetizing field, so as to be become by determining magnetic field
Change the three-dimensional feature of the detection test object 6.Can also by being controlled to the electric current that each electromagnetic component 5 applies, from
And coordinating the quantity of electromagnetic component 5 in combination, the cooperation that position relationship carries out three aspects to the excitation field of generation regulates and controls.
Magnetosensitive phased array detection method of the present invention, as shown in figure 5, comprising the following steps：
Near the peripheral surface that magnetosensitive phased array probe assembly is positioned to the test object 6；
The excitation field produced from electromagnetism phased array driving source 3 is applied in test object 6 and magnetized, and swashs this
Exciting field is moved in test object 6；Magnetizing field change is determined by magnetosensitive phased array probe 2 special come probing test object 6
Levy.Excitation field can be in test object 6 along two dimension or three-dimensional direction moving.During detection, electromagnetism phased array driving source 3 and magnetic
Quick phased array probe 2 is fixed, therefore does not need extra actuating part, is set and easy for installation, it is only necessary to electromagnetism
Element 5 is uniformly controlled respectively using existing control technology, can either realize the change of dependence electromagnetic component 5 working condition and
The generation of mobile excitation field；And with the arrangement of electromagnetic component 5 in matrix and the change of quantity, it is possible to increase measurement essence
Degree, by controlling the operating current of electromagnetic component 5, is capable of accurately being controlled excitation field for convenience and high-efficiency.
Those skilled in the art will readily occur to other embodiment party of the present invention after the disclosure of specification and practice is considered
Case.The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or adaptability
Change follows this general principle and including the undocumented common knowledge or conventional techniques hand in the art of the disclosure
Section.Description and embodiments are considered only as exemplary, and the true scope of the application and spirit are pointed out by claim.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (10)
1. magnetosensitive phased array probe assembly, it is characterised in that including the magnetic being respectively positioned near test object (6) peripheral surface
Quick phased array probe (2) and electromagnetism phased array driving source (3)；
Described electromagnetism phased array driving source (3) includes some electromagnetic components (4), and electromagnetism phased array driving source (3) passes through electromagnetism
Element (4), which generates excitation field and is applied in test object (6), to be magnetized；The group that excitation field passes through electromagnetic component (4)
Change is closed to move in test object (6)；
The magnetosensitive phased array probe (2) includes some magneto sensors (5), and magnetosensitive phased array probe (2) passes through magneto sensor (5)
Magnetizing field in probing test object (6).
2. magnetosensitive phased array probe assembly according to claim 1, it is characterised in that described electromagnetism phased array driving source
(3) some electromagnetic components (4) in are set to planar array or conformal array or are linearly segmented.
3. magnetosensitive phased array probe assembly according to claim 1, it is characterised in that the magnetosensitive phased array probe (2)
Some magneto sensors (5) be set to planar array or conformal array or be linearly segmented.
4. the magnetosensitive phased array probe assembly according to claim 1 or 3, it is characterised in that the magneto sensor uses magnetic
Quick resistance, Hall element, magnetodiode or induction coil.
5. magnetosensitive phased array probe assembly according to claim 1, it is characterised in that magnetosensitive phased array probe (2) and electricity
Magnetic phased array driving source (3) is that axle separates independent arrangement in opposite with test object (6), or in face of test object (6) in electricity
The one arrangement staggeredly in the same direction of magnetic cell (4) and magneto sensor (5).
6. magnetosensitive phased array probe assembly according to claim 1, it is characterised in that the magnetosensitive phased array probe (2)
Near the peripheral surface that test object (6) are fixed positioned on when excitation field is moved.
7. based on the magnetosensitive phased array detection method of the magnetosensitive phased array probe assembly described in claim 1-6 any one, its
It is characterised by, comprises the following steps,
Magnetosensitive phased array probe assembly is positioned near the peripheral surface of test object (6)；
The excitation field produced from electromagnetism phased array driving source (3) is applied in test object (6) and magnetized, and swashs this
Exciting field is moved in test object (6)；
Magnetizing field change is determined come probing test object (6) feature by magnetosensitive phased array probe (2).
8. magnetosensitive phased array detection method according to claim 7, it is characterised in that the step for moving the excitation field
Including making the excitation field in test object (6) along two dimension or three-dimensional direction moving.
9. magnetosensitive phased array detection method according to claim 7, it is characterised in that the step for moving the excitation field
In, excitation field is moved by the combination change of electromagnetic component (4) in test object (6).
10. magnetosensitive phased array detection method according to claim 9, it is characterised in that at least include an electricity in combination
Magnetic cell (4).
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