CN103336058A - Acoustic push-pull type excitation-receiving detection method - Google Patents
Acoustic push-pull type excitation-receiving detection method Download PDFInfo
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- CN103336058A CN103336058A CN2013102330425A CN201310233042A CN103336058A CN 103336058 A CN103336058 A CN 103336058A CN 2013102330425 A CN2013102330425 A CN 2013102330425A CN 201310233042 A CN201310233042 A CN 201310233042A CN 103336058 A CN103336058 A CN 103336058A
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Abstract
The invention discloses an acoustic push-pull type excitation-receiving detection method. The detection method comprises three steps of: in-parallel synchronous phase-modulating excitation, in-series single-side window receiving and signal analysis and processing, and comprises the specific steps of: exciting ultrasonic probes at the two sides of a composite multilayered bonding material simultaneously at same frequency and different phases adopting a push-pull type excitation-receiving method, enabling ultrasonic waves with two-way propagation to generate resonance phenomenon, enabling ultrasonic energy propagated in workpieces to reach a maximum value, then receiving ultrasonic signals by using a single probe or double probes, and finally extracting information characteristics for reflecting the defects of a bonding interface in initial signals by adopting digital signal processing methods such as an artificial neural network, wavelet analysis and a deconvolution technology. The acoustic push-pull type excitation-receiving detection method disclosed by the invention has the advantages that the ultrasonic energy propogated in the workpieces is effectively improved, more complete information in the composite multilayered bonding material can be obtained, the defect of low ultrasonic power in the conventional ultrasonic detection excitation is overcome and the reliability of a bonding-quality detection result of the composite multilayered bonding material is improved.
Description
Affiliated technical field
The present invention relates to a kind of lossless detection method, a kind of acoustics push-pull type excitation that particularly relates to for detection of composite multi-layer adhesives handing-over quality receives detection method.
Background technology
Therefore advantages such as the composite multi-layer adhesives has the intensity height, and anti-fatigue performance is good and damping performance is superior, and heatproof corrosion resistant is good, fail-safety is high and moulding process is good are widely used in important departments such as Aero-Space, petroleum and petrochemical industry.But because the restriction of present production technology and manufacture craft level, the quality discreteness of its manufactured goods is big, and the defect kind that may relate to is a lot.The composite multi-layer adhesives has characteristics such as anisotropy, low thermal conductivity and electric conductivity, acoustic attenuation are bigger, and area of detection is big simultaneously, and workpiece itself is thicker.The present conventional ultrasonic detecting technology that adopts, because the ultrasonic energy decay is too big, the characteristic signal of reflection adhesive linkage deep layer boundary defect information is owing to be subjected to multipath reflection, refraction and decay at material internal, the combined influence of factors such as material absorption, the characteristic signal that receives is fainter usually, and the strong reflection at high impedance interface has produced bigger interference to characteristic signal in the adhesive linkage, make that these characteristic signals are difficult to extract and utilize, even it is also very faint to improve the ultrasonic energy that ultrasonic instrument emission voltage propagates to thousands of coucher spares, can't obtain more comprehensive defect information, cause the phenomenon of omission false retrieval easily, in follow-up use, have certain potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of acoustics push-pull type excitation to receive detection method, adopt push-pull type excitation method of reseptance, effectively improve the ultrasonic energy of propagating in the workpiece, can obtain the more complete initial information of composite multi-layer adhesives inside, therefrom extract the information characteristics of reflection bonding interface defective.
The technical solution adopted for the present invention to solve the technical problems is: a kind of acoustics push-pull type excitation receives detection method, and detection method comprises parallel connection phase modulation excitation synchronously, the monolateral intermittent reception of series connection, three steps of signal analysis and processing,
Detection method comprises that phase modulation synchronously in parallel excitation, Series Sheet side window mouth receive, three steps of signal analysis and processing,
A) the synchronous phase modulation of described parallel connection is actuated to, when detecting the composite multi-layer adhesives, two ultrasonic probes are positioned over the two sides of composite multi-layer adhesives respectively, the detection faces of two ultrasonic probes over against, the pumping signal identical with frequency, that phase place is different encourages two ultrasonic probes to produce the ultrasound wave of two-way propagation simultaneously, regulate the excitation phase of two ultrasonic probes, make the ultrasound wave of two-way propagation produce resonance effect, make the ultrasonic energy of propagating in the workpiece reach maximal value;
B) described Series Sheet side window mouth receives, after the ultrasonic energy of propagating in workpiece reaches maximal value, open a window in time domain, with probe received signal in two ultrasonic probes, so just can extract the more comprehensive initialize signal of composite multi-layer adhesives;
C) described signal analysis and processing is by adopting digital signal processing methods such as artificial neural network, wavelet analysis, deconvolution technology to extract the characteristic signal of the reflection bonding interface defective in the initialize signal.This signal processing method can be fainter at the characteristic signal that receives, the strong reflection at high impedance interface produces under the bigger disturbed condition characteristic signal in the adhesive linkage, effectively extracts the characteristic signal of bonding defect.
The invention has the beneficial effects as follows, provide a kind of acoustics push-pull type excitation to receive detection method, adopt push-pull type excitation method of reseptance, effectively improve the ultrasonic energy of propagating in the workpiece, can obtain the more complete information of composite multi-layer adhesives inside, solve the shortcoming of conventional Ultrasonic Detection excitation ultrasonic power deficiency, improved the reliability of composite multi-layer adhesives bonding quality testing result.
Be described in further detail below in conjunction with the present invention of embodiment, be not limited to embodiment but a kind of acoustics push-pull type excitation of the present invention receives detection method.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the detection synoptic diagram of the embodiment of the invention.
Fig. 2 is the excitation signal waveforms synoptic diagram of two ultrasonic probes of the embodiment of the invention.
Among the figure, 1. composite multi-layer adhesives, 2. bonding defect, 3. ultrasound measuring instrument, P1. ultrasonic probe (excitation), P2. ultrasonic probe (excitation with receive), the pumping signal of A1.P1 ultrasonic probe, the pumping signal of A2.P2 ultrasonic probe, v. amplitude, t. time.
Embodiment
Among Fig. 1, the embodiment shown in Figure 2, a kind of acoustics push-pull type excitation receives detection method, and detection method comprises that phase modulation synchronously in parallel excitation, Series Sheet side window mouth receive, three steps of signal analysis and processing,
A) the synchronous phase modulation of described parallel connection is actuated to, when detecting the composite multi-layer adhesives, two ultrasonic probe P1, P2 are positioned over the two sides of composite multi-layer adhesives respectively, the detection faces of two ultrasonic probe P1, P2 over against, the pumping signal A1 identical with frequency, that phase place is different, A2 encourage two ultrasonic probe P1, P2 to produce the ultrasound wave of two-way propagation simultaneously, regulate the excitation phase of two ultrasonic probe P1, P2, make the ultrasound wave of two-way propagation produce resonance effect, make the ultrasonic energy of propagating in the workpiece reach maximal value;
B) described Series Sheet side window mouth receives, after the ultrasonic energy of propagating in workpiece reaches maximal value, open a window in time domain, receive signal with probe P2 among two ultrasonic probe P1, the P2, so just can extract the more comprehensive initialize signal of composite multi-layer adhesives;
C) described signal analysis and processing is by adopting digital signal processing methods such as artificial neural network, wavelet analysis, deconvolution technology to extract the characteristic signal of the reflection bonding interface defective 2 in the initialize signal.
Above-described embodiment only is used for further specifying a kind of acoustics push-pull type excitation of the present invention and receives detection method; but invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection domain of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (1)
1. an acoustics push-pull type excitation receives detection method, it is characterized in that: detection method comprises that phase modulation synchronously in parallel excitation, Series Sheet side window mouth receive, three steps of signal analysis and processing,
A) the synchronous phase modulation of described parallel connection is actuated to, when detecting the composite multi-layer adhesives, two ultrasonic probes are positioned over the two sides of composite multi-layer adhesives respectively, the detection faces of two ultrasonic probes over against, the pumping signal identical with frequency, that phase place is different encourages two ultrasonic probes to produce the ultrasound wave of two-way propagation simultaneously, regulate the excitation phase of two ultrasonic probes, make the ultrasound wave of two-way propagation produce resonance effect, make the ultrasonic energy of propagating in the workpiece reach maximal value;
B) described Series Sheet side window mouth receives, after the ultrasonic energy of propagating in workpiece reaches maximal value, open a window in time domain, with probe received signal in two ultrasonic probes, so just can extract the more comprehensive initialize signal of composite multi-layer adhesives;
C) described signal analysis and processing is by adopting digital signal processing methods such as artificial neural network, wavelet analysis, deconvolution technology to extract the characteristic signal of the reflection bonding interface defective in the initialize signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388214A (en) * | 2015-12-07 | 2016-03-09 | 西安航空动力控制科技有限公司 | Method using ultrasonic wave to detect bonding quality |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630849Y (en) * | 2003-07-15 | 2004-08-04 | 武汉安全环保研究院 | Three-axial acoustic emission probe |
| CN201653986U (en) * | 2010-03-16 | 2010-11-24 | 爱德森（厦门）电子有限公司 | Ultrasonic flaw detection device used for embedded portions of wheel axles of railway vehicles |
| JP2012173238A (en) * | 2011-02-24 | 2012-09-10 | Toyota Motor Corp | Inspection method for porous substrate |
| CN202720213U (en) * | 2012-04-27 | 2013-02-06 | 北京林业大学 | Detection device for measuring transmission time of ultrasonic waves in plate |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630849Y (en) * | 2003-07-15 | 2004-08-04 | 武汉安全环保研究院 | Three-axial acoustic emission probe |
| CN201653986U (en) * | 2010-03-16 | 2010-11-24 | 爱德森（厦门）电子有限公司 | Ultrasonic flaw detection device used for embedded portions of wheel axles of railway vehicles |
| JP2012173238A (en) * | 2011-02-24 | 2012-09-10 | Toyota Motor Corp | Inspection method for porous substrate |
| CN202720213U (en) * | 2012-04-27 | 2013-02-06 | 北京林业大学 | Detection device for measuring transmission time of ultrasonic waves in plate |
Non-Patent Citations (2)
| Title |
|---|
| 张锐: "超薄弹性层低频超声频域定征方法", 《计量学报》, vol. 19, no. 4, 31 October 1998 (1998-10-31), pages 291 - 298 * |
| 林书玉: "斜槽式纵-扭复合模式压电超声换能器的研究", 《声学学报》, vol. 24, no. 1, 31 January 1999 (1999-01-31), pages 59 - 65 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388214A (en) * | 2015-12-07 | 2016-03-09 | 西安航空动力控制科技有限公司 | Method using ultrasonic wave to detect bonding quality |
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