CN106556858B - A kind of ultrasonic signal excitation reception test macro - Google Patents
A kind of ultrasonic signal excitation reception test macro Download PDFInfo
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- CN106556858B CN106556858B CN201510633141.1A CN201510633141A CN106556858B CN 106556858 B CN106556858 B CN 106556858B CN 201510633141 A CN201510633141 A CN 201510633141A CN 106556858 B CN106556858 B CN 106556858B
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Abstract
The present invention provides a kind of ultrasonic signal excitation reception test macro, comprising: signal generation apparatus, for generating frequency scanning wavelet signal using the frequency according to test request；The acoustic emission transducer of transmitting terminal is converted to frequency scanning ultrasonic signal for that will frequency scan wavelet signal, and will frequency scan ultrasonic signal and be sent to the test point to be measured for simulating geological model；The acoustic emission transducer of receiving end, for receiving the received ultrasonic signal after simulation geological model to be measured is propagated；Utilize the wave field information in Data collecting conversion device acquisition received ultrasonic signal；Processor, the wave field for obtaining simulation seismic prospecting according to frequency scanning wavelet signal and wave field information record.The present invention can receive test using the indoor controllable vibration frequency scanning way of output to carry out the ultrasonic excitation of geological model, the characteristics of ultrasonic frequency range that has is controllable, bandwidth, the ultrasound detection mode of abundant geological model, widens the effect of frequency range.
Description
Technical field
The present invention relates to ultrasonic activation detection fields, excite more particularly, to a kind of ultrasonic signal and receive test
System.
Background technique
Ultrasonic inspection is also in ultrasound examination, is one kind of non-destructive testing.Non-destructive testing is in not defective work piece or former material
Under the premise of expecting working condition, a kind of detection means that surface and internal soundness to examined component are checked.When to solid
When body material measures, transmitting probe and receiving transducer are close to testee surface.Emitting head is by electric signal (generally narrow arteries and veins
Punching) be converted to ultrasonic signal；And it receives head and ultrasonic signal is then converted into electric signal.
The system of existing field seismic prospecting cannot reflect the received actual conditions of field construction wideband in measurement,
And existing seismic survey system construction needs large-scale instrument, and if necessary to carry out test, labor intensive, material resources cost are huge
Greatly.
Summary of the invention
It is able to solve that ultrasonic frequency range during the seismic prospecting of field is uncontrollable, Yi Jiyou the invention proposes one kind
The ultrasonic signal excitation of the problem of wasting manpower and material resources caused by exploring equipment is huge receives test macro.
According to an aspect of the invention, it is proposed that a kind of ultrasonic signal excitation receives test macro, comprising:
Signal generation apparatus, for generating frequency scanning wavelet signal using the frequency according to test request；
The acoustic emission transducer of transmitting terminal, for the frequency scanning wavelet signal to be converted to frequency scanning ultrasonic wave letter
Number, and the frequency scanning ultrasonic signal is sent to the test point to be measured for simulating geological model；
The acoustic emission transducer of receiving end, for receiving the reception ultrasonic wave after simulation geological model to be measured is propagated
Signal；
Data collecting conversion device, for acquiring the wave field information in the received ultrasonic signal；
Processor, the wave field for obtaining simulation seismic prospecting according to frequency scanning wavelet signal and the wave field information are remembered
Record.
Optionally, the system also includes:
The frequency scanning ultrasonic signal is amplified using high voltage high frequency power amplifier；
Amplified frequency scanning ultrasonic signal is sent to the acoustic emission transducer of transmitting terminal.
Optionally, the signal generation apparatus, comprising:
Function transmitter, for utilizing generation frequency scanning wavelet signal；
Alternatively, D/A converter, for generating frequency scanning wavelet signal.
Optionally, the system also includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission for starting the transmitting terminal
First synchronization signal of the signal emission process of energy converter.
Optionally, the system also includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the number for starting high-speed A/D converter
According to the second synchronization signal of collection process.
Optionally, the system also includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission for starting the transmitting terminal
First synchronization signal of the signal emission process of energy converter, and, for starting the data acquisition of high-speed A/D converter
The second synchronization signal.
Optionally, the Data collecting conversion device, comprising:
High-speed A/D converter extracts connecing by analog-to-digital conversion for received ultrasonic signal to be carried out analog-to-digital conversion
Receive the wave field information in ultrasonic signal.
Optionally, the processor, is also used to:
Wavelet signal will be frequency scanned using processor and the wave field information carries out cross correlation process, obtain processing knot
Fruit records the wave field that the processing result is determined as simulating seismic prospecting.
Each aspect of the present invention is frequency scanned by that can be generated according to the frequency of test request using signal generation apparatus
The frequency scanning wavelet signal can be converted to frequency scanning ultrasound using the acoustic emission transducer of transmitting terminal by wavelet signal
Wave signal, and the frequency scanning ultrasonic signal is sent to the test point to be measured for simulating geological model, utilize receiving end
Acoustic emission transducer can receive by it is to be measured simulation geological model propagate after received ultrasonic signal, adopted using data
Collection conversion equipment can acquire the wave field information in the received ultrasonic signal, can be according to frequency scanning using processor
The wave field that wave signal and the wave field information obtain simulation seismic prospecting records.
It realizes and frequency scans the way of output using indoor controllable vibration to carry out the ultrasonic excitation of geological model and receive
Test, to realize the ultrasonic vibration detection system of simulation Seismic Exploration with Vibrator.The ultrasonic frequency range that the system has
Controllably, the characteristics of bandwidth, the ultrasound detection mode of geological model is enriched, the effect of frequency range is widened.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows the schematic diagram that a kind of ultrasonic signal excitation of the present invention receives test macro.
Specific embodiment
The preferred embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention without the embodiment party that should be illustrated here
Formula is limited.On the contrary, thesing embodiments are provided so that the present invention is more thorough and complete, and can will be of the invention
Range is completely communicated to those skilled in the art.
Fig. 1 shows the flow chart that ultrasonic signal excitation according to an embodiment of the invention receives test macro,
In one embodiment of the invention, a kind of ultrasonic signal excitation reception test macro is provided, which includes: signal hair
Generating apparatus 1, the acoustic emission transducer 2 of transmitting terminal, the acoustic emission transducer 3 of receiving end, Data collecting conversion device 4 and processor
5。
Signal generation apparatus 1, for generating frequency scanning wavelet signal using the frequency according to test request.
In embodiments of the present invention, the signal generation apparatus, for generating frequency using according to the frequency of test request
Scan wavelet signal, comprising: for generating the function transmitter of frequency scanning wavelet signal；Alternatively, for generating frequency scanning
The D/A converter of wavelet signal.
It can use computer control D/A transition card in embodiments of the present invention or arbitrary-function generator generate a frequency
Rate scanning signal, frequency signal according to experiment need be configured (such as frequency scanning section: 50KHz~800KHz is swept
Time 2s is retouched, waveform: sine wave) etc..
The acoustic emission transducer 2 of transmitting terminal, for the frequency scanning wavelet signal to be converted to frequency scanning ultrasonic wave
Signal, and the frequency scanning ultrasonic signal is sent to the test point to be measured for simulating geological model.
In embodiments of the present invention, the simulation geological model of well in advance can be placed on three coordinates measuring equipment platform to
Survey, three coordinates measuring equipment platform include 3 D locating device and large-scale tank, three coordinates measuring equipment platform include two sets of three coordinates measuring equipments,
Servomotor controller and six shaft position meter controllers, 3 D locating device are used to coordinate bit when positioning signal excitation receives
Set, large-scale tank be used to place simulation geological model, two wideband acoustic emission probes (i.e. acoustic emission transducer) are passed through respectively
Machinery folder is fixed on one mechanical arm of a set of three coordinates measuring equipment；Three coordinates measuring equipment according to the order of computer make probe X, Y,
It is moved in Z-direction；Servomotor controller controls the operation of servo motor, the machinery of Serve Motor Control three coordinates measuring equipment
The movement of axis；Six shaft position meter controllers receive the order of computer and give servomotor controller after decoding, and according to
Need to give position signal computer, while six shaft position meter controllers issue after reaching test point together according to requirement of experiment
Walk the signal emission process of signal enabling acoustic emission probe and the collection process of high-speed AD converter.
It can use high voltage high frequency power amplifier to amplify the frequency scanning ultrasonic signal, it will be amplified
Frequency scanning ultrasonic signal sends the acoustic emission transducer of transmitting terminal to.
The acoustic emission transducer 3 of receiving end, for receiving the reception ultrasound after simulation geological model to be measured is propagated
Wave signal.
In embodiments of the present invention, after the ultrasonic signal launched, the acoustic emission transducer of receiving end can be received
, by simulation geological model propagate ultrasonic signal, can by signal amplifier carry out signal amplification.
Data collecting conversion device 4, for acquiring the wave field information in the received ultrasonic signal.
In embodiments of the present invention, the Data collecting conversion device can be high-speed A/D converter, the high speed number
The acquisition time of mode converter is greater than the frequency scanning output time, and (if scanning firing time is 2s, acquisition time is left up to 3s
It is right), guarantee that signal of the signal after geological model propagation all receives.
Received ultrasonic signal is subjected to analog-to-digital conversion using high-speed A/D converter, extracts the reception Jing Guo analog-to-digital conversion
Wave field information in ultrasonic signal.
And processor 5, for obtaining simulation seismic prospecting according to frequency scanning wavelet signal and the wave field information
Wave field record.
In embodiments of the present invention, since the signal received is change letter of the frequency signal by geological model
Number, it can not be directly corresponding with geological model, so needing to carry out frequency sweep wavelet and acquisition and recording progress cross correlation process, that is, utilize
Computer will frequency scan wavelet signal and the wave field information carries out cross correlation process, i.e., arbitrary-function generator output
Frequency signal and entire acquisition and recording carry out cross correlation algorithm calculating, obtain processing result, and the processing result is determined
To simulate the wave field record of seismic prospecting to get similar big gun domain seismic physical modeling record is explored to common seismic, that is, simulate
The wave field of seismic prospecting records.
The embodiment of the present invention is by signal generation apparatus, for generating frequency scanning using the frequency according to test request
Wave signal, the acoustic emission transducer of transmitting terminal, for the frequency scanning wavelet signal to be converted to frequency scanning ultrasonic wave letter
Number, and the frequency scanning ultrasonic signal is sent to the test point to be measured for simulating geological model, the sound emission of receiving end
Energy converter, for receive by it is to be measured simulation geological model propagate after received ultrasonic signal, Data collecting conversion device,
For acquiring the wave field information in the received ultrasonic signal；And it can be according to frequency scanning wavelet signal using processor
The wave field for obtaining simulation seismic prospecting with the wave field information records.
The system provided in an embodiment of the present invention, can overcome general pulse excitation receive test macro frequency range it is narrow,
The more disadvantage of the wavelet later arrivals that energy converter is converted out can give a frequency range and carry out frequency sweep excitation reception, be used in
On ultrasonic earthquake physical simulation experiment, analog field Seismic Exploration with Vibrator obtains preferable effect.
In practical applications, when the acoustic emission transducer of transmitting terminal is after being moved to test point, due to not knowing sound emission
Whether energy converter has been moved to test point, alternatively, in order to guarantee that acoustic emission transducer has been moved to test point, it is likely that can wait
Long period just will start signal emission process, may waste the testing time in this way, biggish manpower and material resources be expended, in this hair
In bright another embodiment, the system also includes: six shaft position meter controllers.
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission transducing for starting transmitting terminal
First synchronization signal of the signal emission process of device.
The present invention passes through the acoustic emission transducer for controlling transmitting terminal for six shaft position meter controllers of the position of control and moves
Test point is moved, the six shaft position meters controller can emit to the acoustic emission transducer of the transmitting terminal for starting transmitting
First synchronization signal of the signal emission process of the acoustic emission transducer at end.
The system provided in an embodiment of the present invention, after the acoustic emission transducer of control transmitting terminal is moved to test point, six
Shaft position meter can save the testing time, reduce people in time using the acoustic emission transducer of the first synchronization signal notice transmitting terminal
The loss of power material resources.
In practical applications, it after the acoustic emission transducer of transmitting terminal starts to emit scan frequency ultrasonic signal, receives
The acoustic emission transducer at end can receive received ultrasonic signal at once, but high-speed A/D converter may be not aware that reception
Received ultrasonic signal has been received in the acoustic emission transducer at end, alternatively, high-speed A/D converter is not aware that transmitting terminal
Acoustic emission transducer has begun transmitting scan frequency ultrasonic signal, may result in high-speed A/D converter in this way and does not receive
To whole received ultrasonic signals, and then lead to test inaccuracy, for this purpose, in another embodiment of the present invention, the system
System further include: six shaft position meter controllers.
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the number for starting high-speed A/D converter
According to the second synchronization signal of collection process.
The present invention controls hair by six shaft position meter controllers of the position of the acoustic emission transducer for controlling transmitting terminal
The acoustic emission transducer for penetrating end is moved to test point, and the six shaft position meters controller can be changed to the sound emission of the transmitting terminal
Energy device emits the second synchronization signal for starting the data acquisition of high-speed A/D converter.
The system provided in an embodiment of the present invention, can be by sending to high-speed A/D converter for starting high-speed digital-analog
Second synchronization signal of the data acquisition of converter improves test accuracy.
It in the aforementioned embodiment, although can be by emitting to the acoustic emission transducer of transmitting terminal for starting transmitting terminal
First synchronization signal of the signal emission process of acoustic emission transducer, alternatively, by sending to high-speed A/D converter for opening
Second synchronization signal of the data acquisition of dynamic high-speed A/D converter, but when any of the above one kind happens, still
It so may cause the problem for increasing testing time or test inaccuracy, for this purpose, in another embodiment of the present invention, the system
System further include: six shaft position meter controllers.
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal control the sound hair of transmitting terminal
It penetrates energy converter and is moved to test point, the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission for starting the transmitting terminal
First synchronization signal of the signal emission process of energy converter, and, for starting the data acquisition of high-speed A/D converter
The second synchronization signal.
The present invention controls hair by six shaft position meter controllers of the position of the acoustic emission transducer for controlling transmitting terminal
The acoustic emission transducer for penetrating end is moved to test point, and the six shaft position meters controller can be changed to the sound emission of the transmitting terminal
Energy device emits the first synchronization signal for starting the signal emission process of the acoustic emission transducer of the transmitting terminal, and, it uses
In the second synchronization signal of the data acquisition of starting high-speed A/D converter.
The system provided in an embodiment of the present invention can guarantee to emit to the acoustic emission transducer of transmitting terminal in time simultaneously and use
In the first synchronization signal of the signal emission process of the acoustic emission transducer of starting transmitting terminal, and, in time by high speed number
Mode converter sends the second synchronization signal for starting the data acquisition of high-speed A/D converter, reduces the testing time,
Guarantee the accuracy of test simultaneously.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (7)
1. a kind of ultrasonic signal excitation receives test macro characterized by comprising
Signal generation apparatus, for generating frequency scanning wavelet signal using the frequency according to test request；
The acoustic emission transducer of transmitting terminal, for the frequency scanning wavelet signal to be converted to frequency scanning ultrasonic signal,
And the frequency scanning ultrasonic signal is sent to the test point of simulation geological model to be measured；
The acoustic emission transducer of receiving end, for receiving the reception ultrasonic wave letter after simulation geological model to be measured is propagated
Number；
Data collecting conversion device, for acquiring the wave field information in the received ultrasonic signal；
Processor, the wave field for obtaining simulation seismic prospecting according to frequency scanning wavelet signal and the wave field information record,
Wherein,
Wavelet signal will be frequency scanned using processor and the wave field information carries out cross correlation process, obtain processing result, it will
The processing result is determined as simulating the wave field record of seismic prospecting.
2. ultrasonic signal excitation according to claim 1 receives test macro, which is characterized in that the system is also wrapped
It includes:
The frequency scanning ultrasonic signal is amplified using high voltage high frequency power amplifier；
Amplified frequency scanning ultrasonic signal is sent to the acoustic emission transducer of transmitting terminal.
3. ultrasonic signal excitation according to claim 1 receives test macro, which is characterized in that the signal fills
It sets, comprising:
Function transmitter, for utilizing generation frequency scanning wavelet signal；
Alternatively, D/A converter, for generating frequency scanning wavelet signal.
4. ultrasonic signal excitation according to claim 1 receives test macro, which is characterized in that the system is also wrapped
It includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal, the sound emission for controlling transmitting terminal are changed
Energy device is moved to test point, and the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission transducing for starting the transmitting terminal
First synchronization signal of the signal emission process of device.
5. ultrasonic signal excitation according to claim 1 receives test macro, which is characterized in that the system is also wrapped
It includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal, the sound emission for controlling transmitting terminal are changed
Energy device is moved to test point, and the acoustic emission transducer transmitting of Xiang Suoshu transmitting terminal is adopted for starting the data of high-speed A/D converter
Second synchronization signal of collection process.
6. ultrasonic signal excitation according to claim 1 receives test macro, which is characterized in that the system is also wrapped
It includes:
Six shaft position meter controllers, the position of the acoustic emission transducer for controlling transmitting terminal, the sound emission for controlling transmitting terminal are changed
Energy device is moved to test point, and the acoustic emission transducer of Xiang Suoshu transmitting terminal emits the sound emission transducing for starting the transmitting terminal
First synchronization signal of the signal emission process of device, and, of the data acquisition for starting high-speed A/D converter
Two synchronization signals.
7. ultrasonic signal excitation according to any one of claims 1 to 6 receives test macro, which is characterized in that the number
According to acquisition conversion equipment, comprising:
High-speed A/D converter, for received ultrasonic signal to be carried out analog-to-digital conversion, the reception extracted Jing Guo analog-to-digital conversion is super
Wave field information in acoustic signals.
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| CN106556858A CN106556858A (en) | 2017-04-05 |
| CN106556858B true CN106556858B (en) | 2019-06-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112526600B (en) * | 2019-09-19 | 2023-12-12 | 中国石油化工股份有限公司 | Amplitude compensation method and system for sweep frequency ultrasonic excitation signal |
| CN111290013B (en) * | 2020-03-26 | 2022-10-21 | 自然资源部第一海洋研究所 | Seismic cable detection device and method |
| CN111290014B (en) * | 2020-03-26 | 2022-11-01 | 国家深海基地管理中心 | Seismic cable detection device, process detection method and anti-interference detection method |
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| CN102053254A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Laser ultrasonic detection system and detection method thereof |
| CN102662190A (en) * | 2012-05-04 | 2012-09-12 | 同济大学 | Ultrasonic quick scanning exploration method and system for same |
| CN102918425A (en) * | 2010-06-03 | 2013-02-06 | 雪佛龙美国公司 | Apparatus and method for generating acoustic energy beams from a borehole and applications thereof |
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|---|---|---|---|---|
| US6234021B1 (en) * | 1999-02-02 | 2001-05-22 | Csi Technology, Inc. | Enhanced detection of vibration |
| CN101246640A (en) * | 2007-02-15 | 2008-08-20 | 中国石油化工股份有限公司 | Analog ultrasonic wave earthquake signal physical excitation and receiving system and method thereof |
| CN102053254A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Laser ultrasonic detection system and detection method thereof |
| CN102918425A (en) * | 2010-06-03 | 2013-02-06 | 雪佛龙美国公司 | Apparatus and method for generating acoustic energy beams from a borehole and applications thereof |
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