CN109342565A - A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment - Google Patents
A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment Download PDFInfo
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- CN109342565A CN109342565A CN201811372725.8A CN201811372725A CN109342565A CN 109342565 A CN109342565 A CN 109342565A CN 201811372725 A CN201811372725 A CN 201811372725A CN 109342565 A CN109342565 A CN 109342565A
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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
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
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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
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/011—Velocity or travel time
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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
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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Abstract
The invention discloses a kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipments, it includes ultrasonic guided wave transducer, energy converter detector, ultrasound wave emitter, ultrasonic receiver and data processor, it is characterized in that, the ultrasonic guided wave transducer is the combination of magnetostrictive transducer, pzt array or electromagnetic transduction；Energy converter detector detects the type of ultrasonic guided wave transducer according to the resistance, capacitor and reactance characteristic of ultrasonic guided wave transducer, and switches different impedance matching networks；Ultrasound wave emitter transmitting is used for the supersonic guide-wave of defects detection；Ultrasonic receiver receiving pipeline defect and the ultrasonic wave of weld seam reflection, and complete ultrasonic data acquisition；Data processor detects defect of pipeline and estimates the position of defect of pipeline by processing steps such as velocity of sound estimation, signal detection, delay estimations.Since present invention employs multi-transducer combined type ultrasonic guided wave transducers, optimal ultrasonic guided wave transducer can be selected according to conditions such as pipe material, pumped (conveying) medium, preservative treatment mode and surface corrosion states, pipeline defect detection sensitivity, positioning accuracy and applicability is remarkably reinforced.
Description
Technical field
The present invention relates to pipeline inspection technologies, and in particular to a kind of multi-transducer combined ultrasonic guided wave pipeline defect detection is set
It is standby.
Background technique
Currently, supersonic guide-wave technology is the important means of pipeline defect detection.Supersonic guide-wave is that excitation can be along limited shape
Structure-borne construction machine elastic wave, and constrained by component boundary, be oriented to, thus referred to as supersonic guide-wave.Ultrasound is led
Wave has torsional wave, longitudinal wave and blue female multiple modalities form such as wave and deformation wave.
Currently, the energy converter of ultrasonic guided wave detecting equipment can only be piezo-electric crystal array energy transducer, magnetostrictive transducer
With one kind among electromagnetic transduction.Since supersonic guide-wave energisation mode is different, the applicable scene of every kind of energy converter
Each has something to recommend him: piezo-electric crystal array energy transducer is easy for installation and can carry out Voice segment, be more suitable for detect external corrosion,
Internal burn into welding seam misalignment, circumferential welded seam defect and fatigue crack；Magnetic is fixedly mounted in magnetostrictive transducer needs on pipeline
Flexible ferrocobalt band and excitation coil are caused, external corrosion, internal burn into inside and outside wall loss amount and circumferential crack are able to detect,
Due to ferrocobalt band high temperature resistant, the higher heat distribution pipeline of temperature can detecte；Electromagnetic transduction needs outside pipeline
High-intensitive magnet and excitation coil are installed by portion, suitable for the external corrosion of ferromagnetism material pipeline, internal corrosion and fatigue crackle and
Corrosion etc. at support.
Ultrasonic guided wave detecting equipment price is expensive, and detection device energy converter can only be certain single energy converter, still,
Actually detected need of work detects different types of defect of pipeline, therefore current supersonic guide-wave under various pipeline environments
There are stern challenges in applicability, sensitivity and economy for detection device.
Summary of the invention
For existing ultrasonic guided wave detecting equipment can only practical single energy converter above-mentioned deficiency, mesh of the present invention provides one kind
Using the more transducer combinations supersonic guide-wave pipeline defect detection equipment.
Present invention technical solution used for the above purpose is:
A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment comprising ultrasonic guided wave transducer, energy converter
Detector, ultrasound wave emitter, ultrasonic receiver and data processor.
A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment, adoptable ultrasonic guided wave transducer is mangneto
Striction transducer, pzt array or electromagnetic transduction.It needs under various pipeline environments, examines in real work
Different types of defect of pipeline is measured, therefore, user requires according to pipe detection and field condition selects different supersonic guide-waves
Transducer combinations.A combination thereof mode can be above-mentioned 3 kinds of energy converters and a kind of energy converter, above-mentioned 3 kinds of energy converters arbitrarily selected arbitrarily to select
It selects 2 kinds of energy converters or all selects above-mentioned 3 kinds of energy converters.
Energy converter detector detects supersonic guide-wave according to the resistance, capacitor and reactance characteristic of ultrasonic guided wave transducer automatically
The type of energy converter, and switch different impedance matching networks, enable different types of ultrasonic transducer reliablely and stablely work
Make.
Ultrasound wave emitter transmitting is used for the supersonic guide-wave of defects detection.Ultrasound wave emitter realizes waveform and generates, counts
Functions, the high-power ultrasonics such as mould conversion, signal amplification, power amplification are loaded into ultrasonic guided wave energy exchange by impedance matching network
Device, and motivate waveform needed for pipeline defect detection.
Ultrasonic receiver receiving pipeline defect and the ultrasonic wave of weld seam reflection, and complete ultrasonic data acquisition.Ultrasound
Wave receiver realizes the functions such as overload protection, impedance matching, signal amplification, signal filtering, analog-to-digital conversion and data acquisition, obtains
The small ultrasonic guided wave signals for taking defect of pipeline to reflect are used for subsequent processing.
Data processor controls ultrasonic receiver and ultrasound wave emitter cooperates, and receives ultrasonic receiver and adopt
The data of collection.Data processor is detected defect of pipeline and is estimated by processing steps such as velocity of sound estimation, signal detection, delay estimations
Calculate the position of defect of pipeline.Velocity of sound estimation block is used to measure the spread speed of supersonic guide-wave；Signal detection module is for detecting
The small ultrasonic guided wave signals of defect of pipeline reflection；When delay estimation is then used to accurately estimate the arrival of defect ultrasonic guided wave signals
It carves.By above-mentioned processing, data processor can accurately calculate the position of defect of pipeline.
Since present invention employs multi-transducer combined type ultrasonic guided wave transducers, can be situated between according to pipe material, conveying
The conditions such as matter, preservative treatment mode and surface corrosion state select optimal ultrasonic guided wave transducer, keep pipeline defect detection clever
Sensitivity, positioning accuracy and applicability are remarkably reinforced.
The present invention can be widely applied to petroleum and petrochemical industry oil-gas pipeline, offshore platform piping network, power pipe, highway set
The various pipelines such as pipe, highway bridge cable wire pipeline wirerope and sunpender, heat exchanger tube, boiler tube.
With reference to the accompanying drawing with specific embodiment, the present invention is further described.
Detailed description of the invention
Fig. 1 is overall schematic of the present invention；
Specific embodiment
Overall schematic of the present invention referring to Fig. 1, examine by the multi-transducer combined ultrasonic guided wave defect of pipeline being mounted on pipeline
Measurement equipment.Ultrasonic guided wave transducer 1,2,3 be mounted on above detected pipeline 4.Adoptable ultrasonic guided wave transducer is piezoelectricity
Formula array energy transducer 1, magnetostrictive transducer 2 or electromagnetic transduction 3.It is needed in real work in various pipeline environments
Under, detect different types of defect of pipeline, therefore, user requires according to pipe detection and field condition selects different ultrasounds
Wave guide energy converter combination.A combination thereof mode can be above-mentioned 3 kinds of energy converters and a kind of energy converter, above-mentioned 3 kinds of transducings arbitrarily selected to have a high regard for
Meaning 2 kinds of energy converters of selection all select above-mentioned 3 kinds of energy converters.
Ultrasonic guided wave transducer includes piezoelectric type array energy transducer 1, magnetostrictive transducer 2 or electromagnetic transduction 3
Access energy converter detector 5.Resistance, capacitor and reactance characteristic of the energy converter detector 5 according to ultrasonic guided wave transducer, automatic inspection
The type of ultrasonic guided wave transducer is surveyed, and switches different impedance matching networks, enables ultrasonic transducer reliablely and stablely work
Make.
The transmission channel of energy converter detector 5 accesses ultrasound wave emitter 7.The transmitting of ultrasound wave emitter 7 is examined for defect
The supersonic guide-wave of survey.Ultrasound wave emitter realizes the functions such as waveform generation, digital-to-analogue conversion, signal amplification, power amplification, big function
Rate ultrasonic wave is loaded into ultrasonic guided wave transducer by impedance matching network, and motivates ultrasound needed for pipeline defect detection and lead
Wave.
The receiving channel of energy converter detector 5 accesses ultrasonic receiver 6.Supersonic guide-wave encounters defect of pipeline and occurs instead
It penetrates, ultrasonic transducer receives reflection echo and is converted into electric signal, and ultrasonic receiver 6 receives the telecommunications of energy converter conversion
Number, by processing such as amplification filtering, complete ultrasonic data acquisition.Ultrasonic receiver realize overload protection, impedance matching,
The functions such as signal amplification, signal filtering, analog-to-digital conversion and data acquisition obtain the small supersonic guide-wave letter of defect of pipeline reflection
Number, user's subsequent processing.
Ultrasonic receiver 6 and ultrasound wave emitter 7 access data processor 8, and carry out data with data processor 8 and lead to
Letter.Data processor 8 controls ultrasonic receiver 6 and ultrasound wave emitter 7 cooperates, and receives ultrasonic receiver 6 and adopt
The data of collection.Data processor 8 is detected defect of pipeline and is estimated by processing steps such as velocity of sound estimation, signal detection, delay estimations
Calculate the position of defect of pipeline.
Data processor 8 includes the software processing modules such as velocity of sound estimation, signal detection, delay estimation.Wherein, the velocity of sound is estimated
Module is used to measure and calculate the spread speed of supersonic guide-wave；Signal detection module is used to detect the small super of pipeline defect reflection
Guided Waves signal；Delay estimation is then used to accurately estimate the arrival time of defect ultrasonic guided wave signals.By above-mentioned processing, data
Processor can accurately calculate the position of defect of pipeline.
Since present invention employs multi-transducer combined type ultrasonic guided wave transducers, can be situated between according to pipe material, conveying
The conditions such as matter, preservative treatment mode and surface corrosion state select optimal ultrasonic guided wave transducer, keep pipeline defect detection clever
Sensitivity, positioning accuracy and applicability are remarkably reinforced.
The present invention can be widely applied to petroleum and petrochemical industry oil-gas pipeline, offshore platform piping network, power pipe, highway set
The various pipelines such as pipe, highway bridge cable wire pipeline wirerope and sunpender, heat exchanger tube, boiler tube.
Present invention is not limited to the embodiments described above, using structure same as or similar to the above embodiments of the present invention, and
Other obtained pipeline defect detection equipment, it is within the scope of the present invention.
Claims (6)
1. a kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment comprising ultrasonic guided wave transducer, energy converter inspection
Survey device, ultrasound wave emitter, ultrasonic receiver and data processor, which is characterized in that the ultrasonic guided wave transducer is
Magnetostrictive transducer, pzt array or electromagnetic transduction；Energy converter detector is according to ultrasonic guided wave energy exchange
Resistance, capacitor and the reactance characteristic of device, detect the type of ultrasonic guided wave transducer, and switch different impedance matching networks；It is super
Acoustic transmitter transmitting is used for the supersonic guide-wave of defects detection；Ultrasonic receiver receiving pipeline defect and the ultrasound of weld seam reflection
Wave, and complete ultrasonic data acquisition；Data processor passes through the processing steps such as velocity of sound estimation, signal detection, delay estimation, inspection
It surveys defect of pipeline and estimates the position of defect of pipeline.
2. pipeline defect detection equipment according to claim 1, which is characterized in that ultrasonic guided wave transducer is magnetostriction
The combination of energy converter, pzt array or electromagnetic transduction, a combination thereof mode can be above-mentioned 3 kinds of transducings and have a high regard for
1 kind of energy converter of meaning selection, above-mentioned 3 kinds of energy converters arbitrarily select 2 kinds of energy converters or all select above-mentioned 3 kinds of energy converters.
3. pipeline defect detection equipment according to claim 1, which is characterized in that energy converter detector is according to supersonic guide-wave
Resistance, capacitor and the reactance characteristic of energy converter, the automatic type for detecting ultrasonic guided wave transducer, and switch different impedance matchings
Network enables different types of ultrasonic transducer reliablely and stablely to work.
4. pipeline defect detection equipment according to claim 1, which is characterized in that ultrasound wave emitter transmitting is used for defect
The supersonic guide-wave of detection, ultrasound wave emitter realize the functions such as waveform generation, digital-to-analogue conversion, signal amplification, power amplification, greatly
Power ultrasonic is loaded into ultrasonic guided wave transducer by impedance matching network, and motivates waveform needed for pipeline defect detection.
5. pipeline defect detection equipment according to claim 1, which is characterized in that ultrasonic receiver receiving pipeline defect
And the ultrasonic wave of weld seam reflection, and complete ultrasonic data acquisition, ultrasonic receiver realize overload protection, impedance matching,
The functions such as signal amplification, signal filtering, analog-to-digital conversion and data acquisition obtain the small supersonic guide-wave letter of defect of pipeline reflection
Number.
6. pipeline defect detection equipment according to claim 1, which is characterized in that data processor controls ultrasonic wave and receives
Machine and ultrasound wave emitter cooperate, and receive the data of ultrasonic receiver acquisition, data processor by velocity of sound estimation,
The processing steps such as signal detection, delay estimation detect defect of pipeline and estimate the position of defect of pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372725.8A CN109342565A (en) | 2018-11-19 | 2018-11-19 | A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment |
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| CN201811372725.8A CN109342565A (en) | 2018-11-19 | 2018-11-19 | A kind of multi-transducer combined ultrasonic guided wave pipeline defect detection equipment |
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| CN109342565A true CN109342565A (en) | 2019-02-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618200A (en) * | 2019-08-28 | 2019-12-27 | 江苏大学 | Flexible probe of welding seam defect detection array sensor based on characteristic guided waves |
| CN111351453A (en) * | 2020-03-18 | 2020-06-30 | 南京理工大学 | Intelligent thickness measuring device based on electromagnetic ultrasonic waves |
| CN112083069A (en) * | 2020-09-11 | 2020-12-15 | 辽宁东科电力有限公司 | Single-channel piezoelectric transducer ultrasonic guided wave detection device and detection method |
| CN113253277A (en) * | 2021-04-30 | 2021-08-13 | 河北建投任丘热电有限责任公司 | Device for measuring butt weld position of high-temperature pipeline of thermal power generating unit |
| CN113740434A (en) * | 2021-09-23 | 2021-12-03 | 南京尚华电力科技有限公司 | Method for detecting lead seal corrosion of high-voltage cable based on ultrasonic guided wave technology |
| CN113933391A (en) * | 2021-10-13 | 2022-01-14 | 山东大学 | Piezoelectric ultrasonic guided wave detection device and detection method |
-
2018
- 2018-11-19 CN CN201811372725.8A patent/CN109342565A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618200A (en) * | 2019-08-28 | 2019-12-27 | 江苏大学 | Flexible probe of welding seam defect detection array sensor based on characteristic guided waves |
| CN110618200B (en) * | 2019-08-28 | 2022-04-26 | 江苏大学 | Flexible probe of welding seam defect detection array sensor based on characteristic guided waves |
| CN111351453A (en) * | 2020-03-18 | 2020-06-30 | 南京理工大学 | Intelligent thickness measuring device based on electromagnetic ultrasonic waves |
| CN111351453B (en) * | 2020-03-18 | 2022-01-04 | 南京理工大学 | Intelligent thickness measuring device based on electromagnetic ultrasonic waves |
| CN112083069A (en) * | 2020-09-11 | 2020-12-15 | 辽宁东科电力有限公司 | Single-channel piezoelectric transducer ultrasonic guided wave detection device and detection method |
| CN113253277A (en) * | 2021-04-30 | 2021-08-13 | 河北建投任丘热电有限责任公司 | Device for measuring butt weld position of high-temperature pipeline of thermal power generating unit |
| CN113740434A (en) * | 2021-09-23 | 2021-12-03 | 南京尚华电力科技有限公司 | Method for detecting lead seal corrosion of high-voltage cable based on ultrasonic guided wave technology |
| CN113933391A (en) * | 2021-10-13 | 2022-01-14 | 山东大学 | Piezoelectric ultrasonic guided wave detection device and detection method |
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Application publication date: 20190215 |