CN110174462A - The magnetostrictive ultrasonic Guided waves system and its detection method of special operation condition pipe - Google Patents
The magnetostrictive ultrasonic Guided waves system and its detection method of special operation condition pipe Download PDFInfo
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- CN110174462A CN110174462A CN201910490862.XA CN201910490862A CN110174462A CN 110174462 A CN110174462 A CN 110174462A CN 201910490862 A CN201910490862 A CN 201910490862A CN 110174462 A CN110174462 A CN 110174462A
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- 238000001514 detection method Methods 0.000 title abstract description 16
- 238000002604 ultrasonography Methods 0.000 claims abstract description 78
- 230000005284 excitation Effects 0.000 claims abstract description 57
- 238000005086 pumping Methods 0.000 claims abstract description 51
- 230000003321 amplification Effects 0.000 claims abstract description 29
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 15
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 3
- 229910000531 Co alloy Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVYYOKWPCQYKEY-UHFFFAOYSA-N [Fe].[Co] Chemical compound [Fe].[Co] QVYYOKWPCQYKEY-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
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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
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
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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
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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
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Abstract
The present invention relates to a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe and its detection methods, it is related to technical field of nondestructive testing, including host computer (1), magnetic striction wave guide instrument (2), magneto strictive sensor and pressurization register (3), host computer (1) controls the excitation module of magnetic striction wave guide instrument (2), receiving module, acquisition module, power amplifier module and controllable amplification module, pumping signal is imported in the excitation coil of magneto strictive sensor, in pipeline (7) to upper generation ultrasound echo signal, the ultrasound echo signal of generation is received by magneto strictive sensor and is shown and stored on host computer (1)；When pressurization register (3) is passed through gas, the radial loaded power of regional area can be formed on pipeline (7), when being passed through the liquid of certain temperature in pressurization register (3), the temperature of pipeline (7) can be changed, solve the problems, such as operating condition special present in practical pipeline Guided waves.
Description
Technical field
The present invention relates to technical field of nondestructive testing, mainly carry out ultrasonic guided wave detecting to pipeline under different operating conditions,
Study propagation characteristic of the supersonic guide-wave on pipeline under special operation condition, and in particular to the magnetostrictive ultrasonic guided wave of special operation condition pipe
Detection system and its detection method.
Background technique
Because its detection efficiency is high, detecting distance is remote etc., advantages are widely used in pipe to magnetostrictive ultrasonic guided wave detection technology
Defects detection on the waveguiding structures such as road, plate and cable wire.With the development of magnetostrictive ultrasonic guided wave detection technology, applied field
Close it is more and more, it is actually detected the problem of also become increasingly complex.At present in on-site test to there may be the problem of simultaneously
Too many consideration is not done, in actual detection, is difficult to acquire effective ultrasound echo signal.For this problem, of the invention
A kind of magnetostrictive ultrasonic Guided waves system suitable for special operation condition pipe is proposed, mainly for radial present in pipeline
The Guided waves system that the factors such as loading force and pipe temperature carry out is built.
Summary of the invention
The purpose of the present invention is building ultrasonic guided wave detecting system for special operation condition problem that may be present in pipeline,
There is provided specific aim stronger experimental program for actual on-site test, to achieve the above object, the present invention takes following technical side
Case:
A kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe, including host computer, magnetic striction wave guide instrument, mangneto
Telescoping sensor and pressurization register, the host computer are connect with magnetostriction guided wave detector device, the magnetostriction
Guided waves instrument is connect with magneto strictive sensor, and the magneto strictive sensor, pressurization register are separately mounted to pipe
On road；
The host computer issues pumping signal for controlling magnetostriction guided wave detector device, and is existed by magneto strictive sensor
Generate ultrasound echo signal on pipeline, the magneto strictive sensor is for acquiring ultrasound echo signal, and by the ultrasound of acquisition
Echo-signal feeds back to magnetostriction guided wave detector device, and the magnetostriction guided wave detector device transmits ultrasound echo signal
It is displayed and saved to host computer, the pressurization register is for simulating the different special operation condition of pipeline.
Preferably, the magnetostriction guided wave detector device includes that excitation module, receiving module, acquisition module, power are put
Big module and controllable amplification module；The receiving module is connect with excitation module, acquisition module, host computer respectively, described to swash
It encourages module to connect with power amplifier module, the power amplifier module is connect with magneto strictive sensor, the controllable amplification mould
Block is connect with magneto strictive sensor, acquisition module respectively；The receiving module is used to receive the control signal of host computer sending,
And excitation module is transmitted control signals to, the excitation module generates pumping signal according to the control signal that host computer issues,
The power amplifier module is used to the pumping signal that excitation module issues amplifying processing, and by amplified pumping signal
Ultrasound echo signal is motivated on pipeline by magneto strictive sensor, the controllable amplification module is used to pass magnetostriction
The ultrasound echo signal of sensor acquisition amplifies processing, and the acquisition module is used for the amplified ultrasound of controllable amplification module
Echo-signal is acquired, and the ultrasound echo signal of amplification is transmitted to host computer by receiving module.
Preferably, the magneto strictive sensor includes excitation coil, ferrocobalt band and adapter；The mangneto is stretched
Contracting Guided waves instrument is connect with adapter, and the adapter is connected to the both ends of excitation coil, and the excitation coil is covered on
On ferrocobalt band, the ferrocobalt band is pasted on pipeline, and the magnetostriction guided wave detector device passes through adaptation
Device transmits pumping signal to excitation coil, and pumping signal is converted to ultrasonic echo as energy converter by the ferrocobalt band
Signal, ultrasound echo signal transmit in the duct, and excitation coil leads to for acquiring the ultrasound echo signal generated on pipeline
It crosses adapter and is transmitted to magnetostriction guided wave detector device.
Preferably, the pressurization register is mounted on pipeline, and the pressurization register is in cylindrical structure, inner wall
Channel is provided between outer wall, which is distributed along cylinder spiral, by adjust inputted in channel gas or liquid into
Row adjusts pressure and temperature.
The present invention also provides a kind of magnetostrictive ultrasonic guided wave detecting methods of special operation condition pipe, include the following steps:
Host computer is connect, magnetostriction guided wave detector device and magnetostriction by step S1 with magnetostriction guided wave detector device
Sensor connection, magneto strictive sensor, pressurization register are separately mounted on pipeline；
Step S2 inputs gas to pressurization register, simulates the operating condition of the clip and wall feed-through pipeline in practical pipeline；
Step S3, host computer issue control signal control magnetostriction guided wave detector device and issue pumping signal to magnetostriction biography
Sensor；
Step S4, pumping signal generate ultrasound echo signal, magneto strictive sensor by magneto strictive sensor on pipeline
The ultrasound echo signal generated on pipeline is acquired, and the ultrasound echo signal of acquisition is fed back into magnetostriction guided wave detector
Device；
Ultrasound echo signal is transmitted to host computer and displayed and saved by step S5, magnetostriction guided wave detector device；
The gas for register input of pressurizeing is discharged step S6；
Step S7 inputs liquid to pressurization register, changes the temperature of liquid, realize pipeline temperature rise or cooling；
Step S8 repeats step S3 to S5；
The liquid for register input of pressurizeing is discharged step S9.
Further, control signal is issued by host computer in the step S3 and controls magnetostriction guided wave detector device hair
Pumping signal to the step of magneto strictive sensor, includes: out
S31, the receiving module of the control signal that host computer issues to magnetostriction guided wave detector device, and will by receiving module
Control signal is transferred to excitation module；
S32, the control signal that excitation module is issued according to host computer generate pumping signal and are transmitted to power amplifier module；
The pumping signal that excitation module issues is amplified processing by S33, power amplifier module, and by amplified pumping signal
Ultrasound echo signal is motivated on pipeline by magneto strictive sensor.
Further, in the step S4 pumping signal by magneto strictive sensor is generated on pipeline ultrasonic echo believe
Number, magneto strictive sensor acquires the ultrasound echo signal generated on pipeline, and the ultrasound echo signal of acquisition is fed back to
The step of magnetostriction guided wave detector device includes:
S41, magnetostriction guided wave detector device issue pumping signal, and pumping signal is transmitted to excitation coil by adapter；
S42, more changer adapter adjust the active coil length in excitation coil；
Pumping signal is converted to ultrasound echo signal and is transmitted in pipeline by S43, ferrocobalt band；
S44, excitation coil acquire the ultrasound echo signal generated on pipeline, and ultrasound echo signal is transmitted to magnetic by adapter
Cause flexible Guided waves instrument.
Further, the step S5, magnetostriction guided wave detector device by ultrasound echo signal be transmitted to host computer into
Row the step of displaying and saving includes:
S51, the ultrasound echo signal that the controllable amplification module of magnetostriction guided wave detector device acquires magneto strictive sensor
Amplify processing；
The amplified ultrasound echo signal of controllable amplification module is acquired by S52, acquisition module, and acquisition module adjusts data
Amplified ultrasound echo signal is passed through reception mould to control the length of acquisition ultrasound echo signal by points and sample frequency
Block is transmitted to host computer.
The invention has the benefit that
1. the magnetic striction wave guide detection system for the special operation condition pipe built passes through host computer, magnetic striction wave guide instrument, mangneto
The pipeline simulated under different operating conditions is realized in the signal transmitting effect of telescoping sensor and the register that pressurizes, and is carried out guided wave and lacked
Detection is fallen into, the research under triangular web to different operating conditions detection signal is realized, improves Efficiency, reduces experiment complexity；
2. the pressurization register is more convenient to realize the special feelings such as radial loaded power and temperature present in practical pipe-line system
Condition；
3. the detection system can realize that remote detectability, one-time detection can be obtained the operating condition of long-distance pipe, defect letter
Breath.
Detailed description of the invention
The structural schematic diagram of the Guided waves system of Fig. 1 special operation condition pipe.
The expanded schematic diagram of Fig. 2 pressurization register.
The work flow diagram of the Guided waves system of Fig. 3 special operation condition pipe.
In figure: 1: host computer；2: magnetostriction guided wave detector device；3: pressurization register；4: excitation coil；5: iron cobalt
Alloy strip steel rolled stock；6: adapter；7: pipeline.
Specific embodiment
In order to better understand the present invention, the present invention will be further explained below with reference to the attached drawings and specific examples:
Embodiment 1 is building for the magnetostrictive ultrasonic Guided waves system of special operation condition pipe, as shown on figure as shown in Figure 1
Device carries out the connection and installation of equipment, a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe include host computer 1,
Magnetic striction wave guide instrument 2, magneto strictive sensor and pressurization register 3, host computer 1 pass through USB connecting line and mangneto
Flexible Guided waves instrument 2 connects, and magnetostriction guided wave detector device 2 is connect by cable with magneto strictive sensor, mangneto
Telescoping sensor, pressurization register 3 are separately mounted on pipeline 7；Host computer 1 is for controlling magnetostriction guided wave detector device
2 issue pumping signal, and the pumping signal of sending is imported into magneto strictive sensor, magnetostriction by magnetic striction wave guide instrument 2
The ultrasound echo signal of acquisition is fed back to magnetostriction guided wave detector device 2 for acquiring ultrasound echo signal by sensor,
Ultrasound echo signal is transmitted to host computer 1 and displayed and saved by magnetostriction guided wave detector device 2, and pressurize register 3
For simulating the different special operation condition of pipeline 7.
Magnetostriction guided wave detector device 2 of the present invention includes excitation module, receiving module, acquisition module, power amplification mould
Block and controllable amplification module；Receiving module is connect with excitation module, acquisition module, host computer 1 respectively, excitation module and power
Amplification module connection, power amplifier module are connect with magneto strictive sensor, and controllable amplification module is sensed with magnetostriction respectively
Device, acquisition module connection；Receiving module is used to receive the control signal of the sending of host computer 1, and transmits control signals to excitation
Module, excitation module generate pumping signal according to the control signal that host computer 1 issues, and power amplifier module is used for excitation module
The pumping signal of sending amplifies processing, and amplified pumping signal is swashed on pipeline 7 by magneto strictive sensor
Ultrasound echo signal is encouraged out, controllable amplification module is for amplifying place to the ultrasound echo signal that magneto strictive sensor acquires
Reason, acquisition module is by adjusting points and the sample frequency of data to realize the length of control acquisition ultrasound echo signal, acquisition
The amplified ultrasound echo signal of controllable amplification module is acquired by module, and the ultrasound echo signal of amplification is passed through reception
Module transfer is to host computer 1.
Magneto strictive sensor of the present invention includes excitation coil 4, ferrocobalt band 5 and adapter 6；Magnetic striction wave guide
Detecting instrument 2 is connect with adapter 6, and adapter 6 is connected to the both ends of excitation coil 4, and excitation coil 4 is covered on ferrocobalt band
On material 5, ferrocobalt band 5 is pasted on pipeline 7, and magnetostriction guided wave detector device 2 issues excitation letter to excitation coil 4
Number, the active coil length in excitation coil 4 is adjusted by more changer adapter 6, magnetostriction guided wave detector device 2 passes through adaptation
Device 6 transmits pumping signal to ferrocobalt band 5, and ferrocobalt band 5 is used as energy converter, and pumping signal is converted to ultrasound and is returned
Wave signal, ultrasound echo signal transmit in pipeline 7, and excitation coil 4 is used to acquire the ultrasonic echo letter generated on pipeline 7
Number, and magnetostriction guided wave detector device 2 is transmitted to by adapter 6.
It is illustrated in figure 2 the structural schematic diagram of pressurization register 3, pressurization register 3 is mounted on pipeline 7, pressurizes
Register 3 is in cylindrical structure, and cavity is offered between the inner wall and outer wall of cylinder, is consolidated in cavity along the center of circle spiral of cylinder
Surely it is provided with partition, cavity is separated into a helical duct by partition, which is distributed along cylinder spiral, by adjusting channel
Pressure and temperature is adjusted in middle input gas or liquid, when entrance is passed through gas, realizes that pipeline regional area is radially pressed
The load of power, the problems such as simulating the clip and wall feed-through pipeline in practical pipeline；When entrance is passed through liquid, change the temperature of liquid
Degree, adjusts the temperature of pipeline, two ways preferably realizes special operation condition problem present in practical pipe detection, and then drafts
Corresponding solution is to realize the Guided waves of pipeline.
Host computer 1 issues control signal control magnetostriction guided wave detector device 2 and issues pumping signal, and pumping signal passes through
Adapter 6 is transmitted to excitation coil 4, and pumping signal is converted to ultrasound echo signal, ultrasound echo signal by ferrocobalt band 5
It is transmitted in pipeline 7, excitation coil 4 acquires the ultrasound echo signal generated on pipeline 7, and is transmitted to magnetic by adapter 6
The controllable amplification module of flexible Guided waves instrument 2 is caused, echo-signal is amplified processing, acquisition module by controllable amplification module
The amplified ultrasound echo signal of controllable amplification module is acquired, and the ultrasound echo signal of amplification is passed through into receiving module
Host computer 1 is transmitted to be displayed and saved.
The present invention also provides a kind of magnetostrictive ultrasonic guided wave detecting methods of special operation condition pipe, include the following steps:
Host computer 1 is connect by step S1 with magnetostriction guided wave detector device 2, magnetostriction guided wave detector device 2 with
Magneto strictive sensor connection, magneto strictive sensor, pressurization register 3 are separately mounted on pipeline 7；
Step S2 inputs gas to pressurization register 3, simulates the operating condition of the clip and wall feed-through pipeline in practical pipeline；
Step S3, host computer 1 issue control signal control magnetostriction guided wave detector device 2 and issue pumping signal to mangneto
Telescoping sensor；Specific steps include:
S31, the receiving module of the control signal that host computer 1 issues to magnetostriction guided wave detector device 2, and pass through reception
Module transmits control signals to excitation module；
S32, the control signal that excitation module is issued according to host computer 1 generate pumping signal and are transmitted to power amplifier module；
The pumping signal that excitation module issues is amplified processing by S33, power amplifier module, and by amplified pumping signal
Ultrasound echo signal is motivated on pipeline 7 by magneto strictive sensor；
Step S4, pumping signal generate ultrasound echo signal, magnetostriction sensing by magneto strictive sensor on pipeline 7
Device acquires the ultrasound echo signal generated on pipeline 7, and the ultrasound echo signal of acquisition is fed back to magnetic striction wave guide
Detecting instrument 2, specific steps include:
S41, magnetostriction guided wave detector device 2 issue pumping signal, and pumping signal is transmitted to excitation line by adapter 6
Circle 4；
S42, more changer adapter 6 adjust the active coil length in excitation coil 4；
Pumping signal is converted to ultrasound echo signal and is transmitted in pipeline 7 by S43, ferrocobalt band 5；
S44, excitation coil 4 acquire the ultrasound echo signal generated on pipeline 7, and ultrasound echo signal passes through adapter 6
It is transmitted to magnetostriction guided wave detector device 2；
Ultrasound echo signal is transmitted to host computer 1 and is shown and protected by step S5, magnetostriction guided wave detector device 2
It deposits；Specific steps include；
The controllable amplification module of S51, magnetostriction guided wave detector device 2 believe the ultrasonic echo that magneto strictive sensor acquires
Number amplify processing；
The amplified ultrasound echo signal of controllable amplification module is acquired by S52, acquisition module, and acquisition module adjusts data
Amplified ultrasound echo signal is passed through reception mould to control the length of acquisition ultrasound echo signal by points and sample frequency
Block is transmitted to host computer 1；
Step S6, the gas that register 3 inputs that will pressurize are discharged；
Step S7 inputs liquid to pressurization register 3, changes the temperature of liquid, realizes the heating of pipeline 7 or cooling；
Step S8 repeats step S3 to S5；
Step S9, the liquid that register 3 inputs that will pressurize are discharged.
The present invention is not limited to above-described specific embodiment, and the foregoing is merely preferable case study on implementation of the invention
, it is not intended to limit the invention, any modification done within the spirit and principles of the present invention and changes equivalent replacement
Into etc., it should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe, it is characterised in that: including host computer (1), mangneto
Flexible guided wave instrument (2), magneto strictive sensor and pressurization register (3), the host computer (1) and magnetic striction wave guide
Detecting instrument (2) connection, the magnetostriction guided wave detector device (2) connect with magneto strictive sensor, the magnetostriction
Sensor, pressurization register (3) are separately mounted on pipeline (7)；The host computer (1) is for controlling magnetic striction wave guide inspection
It surveys instrument (2) and issues pumping signal, and ultrasound echo signal, the magnetic are generated on pipeline (7) by magneto strictive sensor
It causes telescoping sensor to be used to acquire the echo-signal of ultrasound echo signal, and the ultrasound echo signal of acquisition is fed back into mangneto and is stretched
Echo-signal is transmitted to host computer (1) and shown by contracting Guided waves instrument (2), the magnetostriction guided wave detector device (2)
Show and save, pressurization register (3) is for simulating the different special operation condition of pipeline (7).
2. a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe according to claim 1, it is characterised in that:
The magnetostriction guided wave detector device (2) includes excitation module, receiving module, acquisition module, power amplifier module and can
Control amplification module；The receiving module is connect with excitation module, acquisition module, host computer (1) respectively, the excitation module and function
The connection of rate amplification module, the power amplifier module connect with magneto strictive sensor, the controllable amplification module respectively with magnetic
Cause telescoping sensor, acquisition module connection；The receiving module is used to receive the control signal of host computer (1) sending, and will control
Signal processed is transferred to excitation module, and the excitation module generates pumping signal according to the control signal that host computer (1) issues, described
Power amplifier module is used to the pumping signal that excitation module issues amplifying processing, and amplified pumping signal is passed through
Magneto strictive sensor motivates ultrasound echo signal on pipeline (7), and the controllable amplification module is used to pass magnetostriction
The ultrasound echo signal of sensor acquisition amplifies processing, and the acquisition module is used for controllable amplification module is amplified super
Sound echo-signal is acquired, and the ultrasound echo signal of amplification is transmitted to host computer (1) by receiving module.
3. a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe according to claim 1, it is characterised in that:
The magneto strictive sensor includes excitation coil (4), ferrocobalt band (5) and adapter (6)；The magnetic striction wave guide
Detecting instrument (2) is connect with adapter (6), and the adapter (6) is connected to the both ends of excitation coil (4), the excitation coil
(4) it is covered on ferrocobalt band (5), the ferrocobalt band (5) is pasted on pipeline (7)；
The magnetostriction guided wave detector device (2) transmits pumping signal, the iron to excitation coil (4) by adapter (6)
Cobalt alloy band (5) is used as energy converter, pumping signal is converted to ultrasound echo signal, ultrasound echo signal is in pipeline (7)
Transmission, the excitation coil (4) are transmitted for acquiring the ultrasound echo signal generated on pipeline (7), and by adapter (6)
To magnetostriction guided wave detector device (2).
4. a kind of magnetostrictive ultrasonic Guided waves system of special operation condition pipe according to claim 1, it is characterised in that:
The pressurization register (3) is mounted on pipeline (7), and the pressurization register (3) is in cylindrical structure, inner wall and outer wall
Between be provided with channel, which is distributed along cylinder spiral, inputs gas or liquid in channel by adjusting and is adjusted
Pressure and temperature.
5. a kind of magnetostrictive ultrasonic guided wave detecting method of special operation condition pipe, which comprises the steps of:
Host computer (1) is connect by step S1 with magnetostriction guided wave detector device (2), magnetostriction guided wave detector device (2) with
Magneto strictive sensor connection, magneto strictive sensor, pressurization register (3) are separately mounted on pipeline (7)；
Step S2 inputs gas to pressurization register (3), simulates the operating condition of the clip and wall feed-through pipeline in practical pipeline；
Step S3, host computer (1) issue control signal control magnetostriction guided wave detector device (2) and issue pumping signal to mangneto
Telescoping sensor；
Step S4, pumping signal generate ultrasound echo signal, magnetostriction sensing by magneto strictive sensor on pipeline (7)
Device acquires the ultrasound echo signal generated on pipeline (7), and the ultrasound echo signal of acquisition is fed back to magnetic striction wave guide
Detecting instrument (2)；
Ultrasound echo signal is transmitted to host computer (1) and is shown and protected by step S5, magnetostriction guided wave detector device (2)
It deposits；
The gas of register (3) input of pressurizeing is discharged step S6；
Step S7 inputs liquid to pressurization register (3), changes the temperature of liquid, realizes pipeline (7) heating or cooling；
Step S8 repeats step S3 to S5；
The liquid of register (3) input of pressurizeing is discharged step S9.
6. a kind of magnetostrictive ultrasonic guided wave detecting method of special operation condition pipe according to claim 5, it is characterised in that:
Control signal control magnetostriction guided wave detector device (2) is issued by host computer (1) in the step S3 and issues pumping signal
Include: to the step of magneto strictive sensor
S31, the receiving module of the control signal that host computer (1) issues to magnetostriction guided wave detector device (2), and pass through reception
Module transmits control signals to excitation module；
S32, the control signal that excitation module is issued according to host computer (1) generate pumping signal and are transmitted to power amplifier module；
The pumping signal that excitation module issues is amplified processing by S33, power amplifier module, and by amplified pumping signal
Ultrasound echo signal is motivated on pipeline (7) by magneto strictive sensor.
7. a kind of magnetostrictive ultrasonic guided wave detecting method of special operation condition pipe according to claim 5, it is characterised in that:
Pumping signal generates ultrasound echo signal on pipeline (7) by magneto strictive sensor in the step S4, and mangneto is stretched
Contracting sensor acquires the ultrasound echo signal generated on pipeline (7), and the ultrasound echo signal of acquisition is fed back to mangneto and is stretched
The step of contracting Guided waves instrument (2) includes:
S41, magnetostriction guided wave detector device (2) issue pumping signal, and pumping signal is transmitted to excitation line by adapter (6)
It encloses (4)；
S42, more changer adapter (6) adjust the active coil length in excitation coil (4)；
Pumping signal is converted to ultrasound echo signal and is transmitted in pipeline (7) by S43, ferrocobalt band (5)；
S44, excitation coil (4) acquire the ultrasound echo signal generated on pipeline (7), and ultrasound echo signal passes through adapter
(6) magnetostriction guided wave detector device (2) are transmitted to.
8. a kind of magnetostrictive ultrasonic guided wave detecting method of special operation condition pipe according to claim 5, it is characterised in that:
Ultrasound echo signal is transmitted to host computer (1) and shown by magnetostriction guided wave detector device (2) in the step S5
Include: with the step of saving
The controllable amplification module of S51, magnetostriction guided wave detector device (2) believe the ultrasonic echo that magneto strictive sensor acquires
Number amplify processing；
The amplified ultrasound echo signal of controllable amplification module is acquired by S52, acquisition module, and acquisition module adjusts data
Amplified ultrasound echo signal is passed through reception mould to control the length of acquisition ultrasound echo signal by points and sample frequency
Block is transmitted to host computer (1).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077220A (en) * | 2019-12-28 | 2020-04-28 | 陕西泰诺特检测技术有限公司 | Low-frequency ultrasonic guided wave detection device and method |
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