CN106556858A - A kind of ultrasonic signal excites reception test system - Google Patents
A kind of ultrasonic signal excites reception test system Download PDFInfo
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- CN106556858A CN106556858A CN201510633141.1A CN201510633141A CN106556858A CN 106556858 A CN106556858 A CN 106556858A CN 201510633141 A CN201510633141 A CN 201510633141A CN 106556858 A CN106556858 A CN 106556858A
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Abstract
The present invention provides a kind of ultrasonic signal and excites reception test system, including：Signal generation apparatus, for utilizing the frequency according to test request to generate frequency scanning wavelet signal；The acoustic emission transducer of transmitting terminal, for frequency scanning wavelet signal is converted to frequency scanning ultrasonic signal, and frequency scanning ultrasonic signal is sent to the test point of simulation geological model to be measured；The acoustic emission transducer of receiving terminal, for receiving the received ultrasonic signal after simulation geological model to be measured is propagated；The wave field information in received ultrasonic signal is gathered using Data collecting conversion device；Processor, for obtaining simulating the wave field record of seismic prospecting according to frequency scanning wavelet signal and wave field information.The ultrasonic excitation that the present invention can utilize the indoor controllable vibration frequency scanning way of output to carry out geological model receives test, the ultrasonic frequency range that has is controllable, bandwidth the characteristics of, the ultrasound detection mode of abundant geological model, widens the effect of frequency band range.
Description
Technical field
The present invention relates to ultrasonic activation detection field, excites more particularly, to a kind of ultrasonic signal and connects
Acceptance Tests system.
Background technology
Ultrasonic inspection is also in ultrasound examination, is one kind of Non-Destructive Testing.Non-Destructive Testing is in not defective work piece
Or on the premise of raw material working condition, one kind that the surface and internal soundness to being examined part is checked
Detection meanss.When measuring to solid material, transmitting probe and receiving transducer are close to testee surface.
The signal of telecommunication (generally burst pulse) is converted to ultrasonic signal by emitting head；And receive head and then ultrasound wave is believed
Number be converted to the signal of telecommunication.
The system of existing field seismic prospecting, can not reflect the reality that field construction wideband is received in measurement
Situation, and the construction of existing seismic survey system needs large-scale instrument, if necessary to carry out test, expends
Human and material resources cost is huge.
The content of the invention
The present invention propose one kind can solve the problem that during the seismic prospecting of field ultrasonic frequency range it is uncontrollable,
And as the ultrasonic signal of the problem of the huge caused wasting manpower and material resources of exploring equipment excites reception test
System.
According to an aspect of the invention, it is proposed that a kind of ultrasonic signal excites reception test system, including：
Signal generation apparatus, for utilizing the frequency according to test request to generate frequency scanning wavelet signal；
The acoustic emission transducer of transmitting terminal is super for the frequency scanning wavelet signal is converted to frequency scanning
Acoustic signals, 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 terminal, for receiving the reception after simulation geological model to be measured is propagated
Ultrasonic signal；
Data collecting conversion device, for gathering the wave field information in the received ultrasonic signal；
Processor, for obtaining simulating seismic prospecting according to frequency scanning wavelet signal and the wave field information
Wave field is recorded.
Alternatively, the system also includes：
The frequency scanning ultrasonic signal is amplified using high voltage high frequency power amplifier；
Send the frequency scanning ultrasonic signal after amplification the acoustic emission transducer of transmitting terminal to.
Alternatively, the signal generation apparatus, including：
Function emitter, generates frequency scanning wavelet signal for utilizing；
Or, D/A converter, for generating frequency scanning wavelet signal.
Alternatively, the system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, the acoustic emission transducer to the transmitting terminal is launched for starting
State the first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal.
Alternatively, the system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, launch for starting height to the acoustic emission transducer of the transmitting terminal
Second synchronizing signal of the data acquisition of fast digital to analog converter.
Alternatively, the system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, the acoustic emission transducer to the transmitting terminal is launched for starting
The first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal is stated, and, for starting height
Second synchronizing signal of the data acquisition of fast digital to analog converter.
Alternatively, the Data collecting conversion device, including：
High-speed A/D converter, for received ultrasonic signal is carried out analog digital conversion, extracts and turns through modulus
Wave field information in the received ultrasonic signal for changing.
Alternatively, the processor, is additionally operable to：
Cross correlation process is carried out with the wave field information by wavelet signal is frequency scanned using processor, obtained everywhere
Reason result, the result is defined as simulating the wave field record of seismic prospecting.
Each aspect of the present invention can generate frequency according to the frequency of test request by using signal generation apparatus
Scanning wavelet signal, can be by the frequency scanning wavelet signal conversion using the acoustic emission transducer of transmitting terminal
To frequency scan ultrasonic signal, and the frequency scanning ultrasonic signal is sent to into simulation geology to be measured
The test point of model, can be received through simulation geological model to be measured using the acoustic emission transducer of receiving terminal
Received ultrasonic signal after propagation, can gather the reception ultrasound wave letter using Data collecting conversion device
Wave field information in number, can be obtained with the wave field information according to frequency scanning wavelet signal using processor
The wave field record of simulation seismic prospecting.
Realize and frequency scan the way of output to carry out the ultrasonic excitation of geological model using indoor controllable vibration
Test is received, realizes simulating the supersonic vibration detection system of Seismic Exploration with Vibrator.What the system had
Ultrasonic frequency range is controllable, bandwidth the characteristics of, enrich geological model ultrasound detection mode, widen frequency
Effect with scope.
Description of the drawings
Exemplary embodiment of the invention is described in more detail by combining accompanying drawing, the present invention's is above-mentioned
And other purposes, feature and advantage will be apparent from, wherein, in exemplary embodiment of the invention
In, identical reference number typically represents same parts.
Fig. 1 shows that a kind of ultrasonic signal of the invention excites the schematic diagram for receiving test system.
Specific embodiment
The preferred embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing in accompanying drawing
The preferred embodiment of the present invention, however, it is to be appreciated that may be realized in various forms the present invention and should not be by
Embodiments set forth herein is limited.Conversely, thesing embodiments are provided so that the present invention is more saturating
It is thorough and complete, and those skilled in the art can be will fully convey the scope of the invention to.
Fig. 1 shows that ultrasonic signal according to an embodiment of the invention excites the stream for receiving test system
Cheng Tu, in one embodiment of the invention, there is provided a kind of ultrasonic signal excites reception test system,
The system includes：The acoustic emission transducing of the acoustic emission transducer 2, receiving terminal of signal generation apparatus 1, transmitting terminal
Device 3, Data collecting conversion device 4 and processor 5.
Signal generation apparatus 1, for utilizing the frequency according to test request to generate frequency scanning wavelet signal.
In embodiments of the present invention, the signal generation apparatus, for utilizing the frequency according to test request to give birth to
Into frequency scanning wavelet signal, including：For generating the function emitter of frequency scanning wavelet signal；Or,
For generating the D/A converter of frequency scanning wavelet signal.
Computer controls D/A transition card or arbitrary-function generator can be utilized in embodiments of the present invention to produce
One frequency signal, frequency signal are configured according to experiment needs and (for example frequency scan interval：
50KHz～800KHz, sweep time 2s, waveform：Sine wave) etc..
The acoustic emission transducer 2 of transmitting terminal is super for the frequency scanning wavelet signal is converted to frequency scanning
Acoustic signals, and the frequency scanning ultrasonic signal is sent to the test point of simulation geological model to be measured.
In embodiments of the present invention, the simulation geological model of well in advance can be positioned over three coordinates measuring equipment to put down
To be measured on platform, three coordinates measuring equipment platform includes 3 D locating device and large-scale tank, three coordinates measuring equipment platform bag
Two sets of three coordinates measuring equipments, servomotor controller and six shaft position meter controllers are included, 3 D locating device is used for
Coordinate position, large-scale tank when framing signal excites reception is for placing simulation geological model, wide by two
Frequency acoustic emission probe (i.e. acoustic emission transducer) is fixed on a set of three coordinates measuring equipment one by machinery folder respectively
On mechanical arm；Three coordinates measuring equipment makes probe move in the X, Y, Z direction according to the order of computer；
Servomotor controller controls the operation of servomotor, the fortune of the mechanical axis of Serve Motor Control three coordinates measuring equipment
It is dynamic；Six shaft position meter controllers receive the order of computer and give servomotor controller after decoding, and
Computer is given by position signalling as needed, while six shaft position meter controllers are reached according to requirement of experiment
Synchronizing signal is sent after test point and starts the signal emission process of acoustic emission probe and adopting for high-speed AD converter
Collection process.
The frequency scanning ultrasonic signal can be amplified using high voltage high frequency power amplifier, will be put
Frequency scanning ultrasonic signal after big sends the acoustic emission transducer of transmitting terminal to.
The acoustic emission transducer 3 of receiving terminal, for receiving the reception after simulation geological model to be measured is propagated
Ultrasonic signal.
In embodiments of the present invention, after the ultrasonic signal launched, can be by the acoustic emission transducing of receiving terminal
Ultrasonic signal that device is received, propagating through simulation geological model, can carry out letter through signal amplifier
Number amplify.
Data collecting conversion device 4, for gathering 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, described
The acquisition time of high-speed A/D converter be greater than frequency scanning output time (as scanning firing time be 2s,
Acquisition time will be up to 3s or so), it is ensured that signal of the signal after geological model propagation is all received.
Received ultrasonic signal is carried out into analog digital conversion using high-speed A/D converter, is extracted through analog digital conversion
Received ultrasonic signal in wave field information.
And, processor 5, for obtaining simulating earthquake according to frequency scanning wavelet signal and the wave field information
The wave field record of exploration.
In embodiments of the present invention, as the signal for receiving is frequency signal changing through geological model
Varying signal, it is impossible to directly corresponding with geological model, so need to carry out frequency sweep wavelet carrying out mutually with acquisition and recording
Relevant treatment, i.e., carry out cross correlation process with the wave field information by wavelet signal is frequency scanned using computer,
The frequency signal and whole acquisition and recording that arbitrary-function generator is exported carries out cross correlation algorithm meter
Calculate, obtain result, the result is defined as simulating the wave field record of seismic prospecting, that is, is obtained
The similar big gun domain seismic physical modeling record of common seismic exploration, that is, simulate the wave field record of seismic prospecting.
The embodiment of the present invention generates frequency according to the frequency of test request for utilization by signal generation apparatus
Scanning wavelet signal, the acoustic emission transducer of transmitting terminal, for the frequency scanning wavelet signal is converted to
Frequency scanning ultrasonic signal, and the frequency scanning ultrasonic signal is sent to into simulation Geological Model to be measured
The test point of type, the acoustic emission transducer of receiving terminal are propagated through simulation geological model to be measured for receiving
Received ultrasonic signal afterwards, Data collecting conversion device, for gathering in the received ultrasonic signal
Wave field information；And mould can be obtained with the wave field information according to frequency scanning wavelet signal using processor
Intend the wave field record of seismic prospecting.
The system provided in an embodiment of the present invention, can overcome general pulse to excite reception test system frequency model
The more shortcoming of wavelet later arrivals that narrow, transducer changes out is enclosed, a frequency range can be given and swept
Frequency excites reception, on ultrasonic earthquake physical simulation experiment, can simulate field Seismic Exploration with Vibrator,
Obtain preferable effect.
In actual applications, when the acoustic emission transducer of transmitting terminal is after test point is moved to, due to unclear
Whether acoustic emission transducer has been moved to test point, or, in order to ensure that acoustic emission transducer has been moved to inspection
Measuring point, it is likely that the long period can be waited just enabling signal emission process, when so may waste test
Between, larger manpower and materials are expended, in another embodiment of the present invention, the system also includes：Six axles
Position finder controller.
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, to the acoustic emission transducer of the transmitting terminal launch for start send out
Penetrate the first synchronizing signal of the signal emission process of the acoustic emission transducer at end.
The present invention controls the acoustic emission transducing of transmitting terminal by six shaft position meter controllers of the position for control
Device moves to test point, and the six shaft position meters controller can be sent out to the acoustic emission transducer of the transmitting terminal
Penetrate for starting the first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal.
The system provided in an embodiment of the present invention, moves to test point in the acoustic emission transducer of control transmitting terminal
Afterwards, six shaft position meters can notify the acoustic emission transducer of transmitting terminal in time using the first synchronizing signal, save
Testing time, reduce the loss of manpower and materials.
In actual applications, after the acoustic emission transducer of transmitting terminal starts to launch rate of scanning ultrasonic signal,
The acoustic emission transducer of receiving terminal can receive received ultrasonic signal at once, but high-speed A/D converter can
Can be not aware that the acoustic emission transducer of receiving terminal has been received by received ultrasonic signal, or, high speed number
Weighted-voltage D/A converter is not aware that the acoustic emission transducer of transmitting terminal has begun to launch rate of scanning ultrasonic signal,
So may result in high-speed A/D converter and do not receive whole received ultrasonic signals, and then cause to survey
Examination is inaccurate, for this purpose, in another embodiment of the present invention, the system also includes：Six shaft position meter controls
Device processed.
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, launch for starting height to the acoustic emission transducer of the transmitting terminal
Second synchronizing signal of the data acquisition of fast digital to analog converter.
The present invention passes through six shaft position meter controller controls of the position of the acoustic emission transducer for being used to control transmitting terminal
The acoustic emission transducer of transmitting terminal processed moves to test point, and the six shaft position meters controller can be to described
The acoustic emission transducer for penetrating end launches synchronous for starting the second of the data acquisition of high-speed A/D converter
Signal.
The system provided in an embodiment of the present invention, can be by sending for starting height to high-speed A/D converter
Second synchronizing signal of the data acquisition of fast digital to analog converter, improves test accuracy.
In the aforementioned embodiment, although can be sent out for starting by launching to the acoustic emission transducer of transmitting terminal
The first synchronizing signal of the signal emission process of the acoustic emission transducer at end is penetrated, or, by high-speed digital-analog
Transducer is sent for starting the second synchronizing signal of the data acquisition of high-speed A/D converter, but is worked as
When a kind of situation of any of the above occurs, may still result in the increase testing time or test inaccurate problem,
For this purpose, in another embodiment of the present invention, the system also includes：Six shaft position meter controllers.
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, the acoustic emission transducer to the transmitting terminal is launched for starting
The first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal is stated, and, for starting height
Second synchronizing signal of the data acquisition of fast digital to analog converter.
The present invention passes through six shaft position meter controller controls of the position of the acoustic emission transducer for being used to control transmitting terminal
The acoustic emission transducer of transmitting terminal processed moves to test point, and the six shaft position meters controller can be to described
The acoustic emission transducer for penetrating end is launched for starting the signal emission process of the acoustic emission transducer of the transmitting terminal
The first synchronizing signal, and, second for starting the data acquisition of high-speed A/D converter is synchronous
Signal.
The system provided in an embodiment of the present invention, can ensure the acoustic emission transducer in time to transmitting terminal simultaneously
Launch for starting the first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal, and,
In time by sending for starting the of the data acquisition of high-speed A/D converter to high-speed A/D converter
Two synchronizing signals, reduce the testing time, while ensureing the accuracy of test.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive,
And it is also not necessarily limited to disclosed each embodiment.In the scope and spirit without departing from illustrated each embodiment
In the case of, many modifications and changes will be apparent from for those skilled in the art.
The selection of term used herein, it is intended to best explain the principle of each embodiment, practical application or to market
In technology technological improvement, or other those of ordinary skill of the art is understood that
Each embodiment.
Claims (8)
1. a kind of ultrasonic signal excites reception test system, it is characterised in that include：
Signal generation apparatus, for utilizing the frequency according to test request to generate frequency scanning wavelet signal；
The acoustic emission transducer of transmitting terminal is super for the frequency scanning wavelet signal is converted to frequency scanning
Acoustic signals, 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 terminal, for receiving the reception after simulation geological model to be measured is propagated
Ultrasonic signal；
Data collecting conversion device, for gathering the wave field information in the received ultrasonic signal；
Processor, for obtaining simulating seismic prospecting according to frequency scanning wavelet signal and the wave field information
Wave field is recorded.
2. ultrasonic signal according to claim 1 excites reception test system, it is characterised in that institute
Stating system also includes：
The frequency scanning ultrasonic signal is amplified using high voltage high frequency power amplifier；
Send the frequency scanning ultrasonic signal after amplification the acoustic emission transducer of transmitting terminal to.
3. ultrasonic signal according to claim 1 excites reception test system, it is characterised in that institute
Signal generation apparatus are stated, including：
Function emitter, generates frequency scanning wavelet signal for utilizing；
Or, D/A converter, for generating frequency scanning wavelet signal.
4. ultrasonic signal according to claim 1 excites reception test system, it is characterised in that institute
Stating system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, the acoustic emission transducer to the transmitting terminal is launched for starting
State the first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal.
5. ultrasonic signal according to claim 1 excites reception test system, it is characterised in that institute
Stating system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, launch for starting height to the acoustic emission transducer of the transmitting terminal
Second synchronizing signal of the data acquisition of fast digital to analog converter.
6. ultrasonic signal according to claim 1 excites reception test system, it is characterised in that institute
Stating system also includes：
Six shaft position meter controllers, for controlling the position of the acoustic emission transducer of transmitting terminal, control transmitting terminal
Acoustic emission transducer move to test point, the acoustic emission transducer to the transmitting terminal is launched for starting
The first synchronizing signal of the signal emission process of the acoustic emission transducer of transmitting terminal is stated, and, for starting height
Second synchronizing signal of the data acquisition of fast digital to analog converter.
7. reception test system is excited according to the arbitrary described ultrasonic signal of claim 1 to 6, its feature
It is, the Data collecting conversion device, including：
High-speed A/D converter, for received ultrasonic signal is carried out analog digital conversion, extracts and turns through modulus
Wave field information in the received ultrasonic signal for changing.
8. reception test system is excited according to the arbitrary described ultrasonic signal of claim 1 to 6, its feature
It is that the processor is additionally operable to：
Cross correlation process is carried out with the wave field information by wavelet signal is frequency scanned using processor, obtained everywhere
Reason result, the result is defined as simulating the wave field record of seismic prospecting.
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| CN201510633141.1A CN106556858B (en) | 2015-09-29 | 2015-09-29 | A kind of ultrasonic signal excitation reception test macro |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510633141.1A CN106556858B (en) | 2015-09-29 | 2015-09-29 | A kind of ultrasonic signal excitation reception test macro |
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| CN106556858A true CN106556858A (en) | 2017-04-05 |
| CN106556858B CN106556858B (en) | 2019-06-04 |
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Cited By (3)
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| CN111290014A (en) * | 2020-03-26 | 2020-06-16 | 国家深海基地管理中心 | Seismic cable detection device, process detection method and anti-interference detection method |
| CN111290013A (en) * | 2020-03-26 | 2020-06-16 | 自然资源部第一海洋研究所 | Seismic cable detection device and method |
| CN112526600A (en) * | 2019-09-19 | 2021-03-19 | 中国石油化工股份有限公司 | Amplitude compensation method and system for sweep frequency ultrasonic excitation signal |
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| CN112526600A (en) * | 2019-09-19 | 2021-03-19 | 中国石油化工股份有限公司 | Amplitude compensation method and system for sweep frequency ultrasonic excitation signal |
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| CN106556858B (en) | 2019-06-04 |
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