CN107941909A - A kind of ultrasonic measurement system and its measuring method - Google Patents
A kind of ultrasonic measurement system and its measuring method Download PDFInfo
- Publication number
- CN107941909A CN107941909A CN201711121742.XA CN201711121742A CN107941909A CN 107941909 A CN107941909 A CN 107941909A CN 201711121742 A CN201711121742 A CN 201711121742A CN 107941909 A CN107941909 A CN 107941909A
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- ultrasonic
- ultrasonic wave
- transmission device
- receiving transducer
- ultrasonic transmission
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
Abstract
The present invention relates to a kind of ultrasonic measurement system, including impulse generator and oscillograph, further include base, the ultrasonic transmission device and ultrasonic wave receiving transducer being arranged on base, the ultrasonic transmission device is rotatably connected on the base, the ultrasonic transmission device is equipped with some ultrasonic wave transmitting probes, rotate the ultrasonic transmission device and realize switching between different ultrasonic wave transmitting probes, sample to be tested is placed between the ultrasonic wave transmitting probe and the ultrasonic wave receiving transducer, the ultrasonic wave transmitting probe sends acoustic waveform under the level signal excitation that the impulse generator is sent, the ultrasonic wave receiving transducer receives the acoustic waveform and acoustic waveform is sent into the impulse generator, the oscillograph is acquired and stores to the impulse generator data.The present invention need not frequently replace ultrasonic probe, and only need to rotate turntable can quickly measure the sonic data of multiple frequencies, and measurement result is accurate, and measuring process is simple, be adapted to the ultrasonic measurement of batch rock sample.
Description
Technical field
The present invention relates to a kind of measuring system and measuring method, more particularly to a kind of ultrasonic measurement system and its measurement side
Method.
Background technology
Ultrasonic wave is a kind of elastic wave, since the frequency of sound wave propagated in media as well is more than 20kHz and is gained the name, ultrasonic wave according to
Compressional wave and shear wave can be divided into according to the direction vibrated in media as well, both ripples have played important work in terms of rock acoustic measurement
With.There are the ratio between corresponding mathematical relationship, its speed can reveal that rock for the elasticity modulus of compressional wave and shear wave velocity and rock medium
The development degree of stone, that is, be calculated the Poisson's ratio of rock, therefore ultrasonic measurement is one kind weight of study of rocks physical property
Want means.
There are two kinds of measuring methods, i.e. acoustic logging method and ultrasonic wave measuring method in terms of rock acoustic measurement.Sound wave
Logging method is that the acoustic speed and amplitude of rock are measured directly in wellbore, is not destroying rock physics shape and confined pressure environment
In the case of directly give measurement result, this method belongs to in-situ measuring method, therefore can accurately reflect Rock in Well power
Situation, but the parameter of this method measurement is limited, and measurement cost is higher.Ultrasonic wave measuring method is to carry out rock on ground
Acoustic speed, amplitude, frequency spectrum and the measurement of decay of sample, survey rock sample be it is collected by side-wall coring from underground, this
Some changes can occur for a little rock sample physical properties, and the rock of underground can be there are certain difference, and this method belongs to sampling and surveys
Amount method, but this method can be with measure batch rock sample, measurement efficiency is high, and measurement parameter is more, can reflect rock more comprehensively
Internal structure and mechanical properties of rock.
Ultrasonic measurement at present is measured the acoustic speed of rock sample and is declined using a transmitting probe and a receiving transducer
Subtract, if to measure the sonic data of multiple frequencies, and there is large batch of rock sample to need to measure, then need replacing the hair of many
Probe and receiving transducer are penetrated, a rock sample is often surveyed and repeats these operations again, cause measurement efficiency low, and to rock sample to be measured
Larger damage is had, is unfavorable for accurately obtaining the internal structure and rock mechanics parameters of rock.
The content of the invention
The present invention is in order to improve rock sample ultrasound amount efficiency, there is provided a kind of ultrasonic measurement system, the system
The different ultrasonic wave transmitting probes of succinct switching can be facilitated, realize the measurement of a variety of ultrasonic acoustic wave frequency rates.
To achieve these goals, the technical solution taken is the present invention：A kind of ultrasonic measurement system, including pulse
Generator and oscillograph, further include base, the ultrasonic transmission device being arranged on base and ultrasonic wave receiving transducer, described super
Acoustic emission apparatus is rotatably connected on the base, and the ultrasonic transmission device is equipped with some ultrasonic wave transmitting probes,
Rotate the ultrasonic transmission device and realize switching between different ultrasonic wave transmitting probes, sample to be tested is placed in the ultrasonic wave
Between transmitting probe and the ultrasonic wave receiving transducer, level that the ultrasonic wave transmitting probe is sent in the impulse generator
Acoustic waveform is sent under signal excitation, and the ultrasonic wave receiving transducer receives the acoustic waveform and described in acoustic waveform is sent into
Impulse generator, the oscillograph are acquired and store to the impulse generator data.
Further, guide rail is provided with the base, ultrasonic transmission device and ultrasonic wave the receiving transducer edge is led
Rail is set, and the ultrasonic transmission device adjusts the distance between ultrasonic wave receiving transducer, institute along the guide rail one-dimensional movement
State the scale for being equipped between ultrasonic transmission device and ultrasonic wave receiving transducer and being used for showing both distances.
Further, the guide rail is dentation track, and the dentation track is equipped with gear, the gear and dentation track
Ratcheting, the gear is fixedly connected with the ultrasonic transmission device, and the gear is connected with motor, described in the motor driving
Gear moves on the dentation guide rail.
Further, the ultrasonic transmission device is connected with the turntable for controlling ultrasonic transmission device rotational angle
Control box, the turntable control box are connected with multichannel terminal box, and the turntable control box is by the ultrasonic transmission device
Rotational angle information is sent to the multichannel terminal box, and the multichannel terminal box is according to receive information by corresponding ultrasonic wave
Transmitting probe is connected with the impulse generator.
Further, the ultrasonic transmission device is discoid, on the discoid ultrasonic transmission device circumferentially
It is evenly arranged with some ultrasonic wave transmitting probes.
Further, the disc face of the ultrasonic transmission device is equipped with pointer, the pointer meaning ultrasonic wave transmitting
The surface of emission of popping one's head in is parallel with the receiving plane of ultrasonic wave receiving transducer and center line overlaps.
The present invention provides a kind of ultrasonic wave measuring method based on above-mentioned ultrasonic measurement system, comprises the following steps
(1) sample to be tested is placed between ultrasonic transmission device and ultrasonic wave receiving transducer, design needs what is measured
Frequency of sound wave f1、f2…fn；
(2) rotary turnplate so that the ultrasonic probe of some frequency goes to the position with ultrasonic wave receiving transducer face,
Mobile ultrasonic transmission device at the same time so that ultrasonic wave transmitting probe, rock sample and ultrasonic wave receiving transducer are in close contact；
(4) impulse generator starts and launches acoustic waveform by ultrasonic wave transmitting probe, and ultrasonic wave receiving transducer receives
Acoustic waveform, and acoustic waveform is sent into impulse generator, oscillograph progress data acquisition and storage.
Further, in more detail, the ultrasonic transmission device is connected with for controlling ultrasonic transmission device angle of rotation
The turntable control box of degree, the turntable control box are connected with multichannel terminal box, and multichannel terminal box connects the super of corresponding frequencies
Sound wave transmitting probe, impulse generator start and encourage the pulse width signal of corresponding frequencies.
Beneficial effect includes caused by the present invention：1st, the present invention need not frequently replace ultrasonic probe, only need to rotate
Turntable can quickly measure the sonic data of multiple frequencies, and measurement result is accurate, and measuring process is simple, be adapted to batch rock sample
Ultrasonic measurement；2nd, turntable control box and multichannel terminal box are equipped with the present invention, turntable control box is precisely controlled ultrasonic wave hair
The rotation angle of injection device, multichannel terminal box connect the ultrasound of corresponding frequencies according to the rotation angle information in rotation control box
Ripple transmitting probe, realizes intelligent accurate control；3rd, the scale in the present invention intuitively shows ultrasonic wave transmitting probe and ultrasonic wave
The distance between receiving transducer information；4th, the present invention moves ultrasonic transmission device by electro-motor, realizes that adjust automatically surpasses
The distance between sound wave transmitting probe and ultrasonic wave receiving transducer.
Brief description of the drawings
Ultrasonic measurement system structure diagram in Fig. 1 present invention；
The structure diagram of ultrasonic transmission device in Fig. 2 present invention；
Ultrasonic measurement system operational flowchart in Fig. 3 present invention.
Embodiment
Further details of explanation is done to the present invention with reference to the accompanying drawings and detailed description, it should be appreciated that
Protection scope of the present invention and from the limitation of embodiment.
Fig. 1 is ultrasonic measurement system schematic diagram.Ultrasonic transmission device 101 is stood to be connect in one end of base 108, ultrasonic wave
The other end that probe 102 is fixed on base 108 by clamper 103 is received, ultrasonic transmission device 101 is equipped with some ultrasounds for one
The turntable of ripple transmitting probe 203, the turntable can be pivoted the switching for realizing different ultrasonic wave transmitting probes, so that required frequency
The ultrasonic wave transmitting probe of rate is opposite with ultrasonic wave receiving transducer.
Base is equipped with dentation guide rail 105, the gear 104 ratcheting with guide rail is placed with guide rail 105, gear 104 is with surpassing
Acoustic emission apparatus 101 is fixedly connected, and gear 104 is connected with the electro-motor 106 moved for drive gear on guide rail, is surpassed
Acoustic emission apparatus 101 is realized away from or close to ultrasonic wave under the control of electro-motor 106 along 105 one-dimensional movement of guide rail
Receiving transducer 102.Scale is equipped between ultrasonic transmission device 101 and ultrasonic wave receiving transducer 102, which is digital displaying callipers
Ruler 107,105 parallel arranged of digital display calliper 107 and guide rail, measures ultrasonic transmission device 101 in real time and ultrasonic wave is received and visited
First the distance between 103.
Ultrasonic transmission device 101 is connected with turntable control box 110, and turntable control box 110 controls ultrasonic transmission device
101 rotation, and record the angle of the rotation of ultrasonic transmission device 101.Multichannel terminal box 111 connects turntable control box 110
With impulse generator 112, multichannel terminal box 111 connects a certain frequency according to the control signal of the output of turntable control box 110
Ultrasonic wave transmitting probe 203, and control impulse generator 112 launch pulse width signal width so that pulse width signal and
The frequency of corresponding ultrasonic wave transmitting probe 203 matches.Impulse generator 112 and ultrasonic wave receiving transducer 102, oscillograph 113
It is connected, the synchronization time excited signal to and the acoustic waveform received are output on oscillograph 113 and display and save.Oscillograph
113 are connected with computer 114, and subsequent treatment is carried out to sonic data.The electrical connection of above-mentioned all components is all complete by cable 115
Into.
Fig. 2 is ultrasonic transmission device structure diagram, and ultrasonic transmission device 101 is made of rotor 201 and stator 202
, 8 round holes are provided with rotor, each round hole is provided with a ultrasonic wave transmitting probe 203, launches in ultrasonic wave and fills
The centre bit for putting 101 is equipped with a turnplate pointer, and the arrow direction of the turnplate pointer is following.Ultrasonic wave hair below turnplate pointer
Penetrating probe, 203 surface of emissions are parallel with the receiving plane of ultrasonic wave receiving transducer 102 and center line overlaps.
Fig. 3 is ultrasonic wave rock sample measuring method：(1) the basic information of sample to be tested 109, including length, width are obtained
And height, rock sample to be measured is placed between ultrasonic transmission device 101 and ultrasonic wave receiving transducer 102, sample to be tested 109
Acoustic measurement frequency is 100kHz~800kHz；(2) the ultrasonic wave transmitting probe 203 of 100kHz is rotated under hand of dial
Face, mobile ultrasonic transmission device 101 so that the surface of emission, rock sample 110 and the ultrasound of the ultrasonic wave transmitting probe 203 of 100kHz
Ripple receiving transducer 102 is in close contact, and the distance between two probes are read from digital display calliper 107.(3) multichannel terminal box
111 one, two ... No. eight passages respectively with 100kHz, 200kHz ... the ultrasonic wave transmitting probe 203 of 800kHz connects one by one,
Channel selecting is got into No.1 passage, therefore the ultrasonic wave transmitting probe 203 of 100kHz and impulse generator 112 connect；(4) open
Moving pulse generator 112, sets pulse width, excites level signal, and driving ultrasonic wave transmitting probe 203 works；(5) ultrasonic wave
Receiving transducer 102 receives acoustic waveform, and acoustic waveform is sent into impulse generator 112, at the same time will be same by impulse generator 112
Walk signal and acoustic waveform is sent into oscillograph 113, oscillograph 113 gathers acoustic waveform and storage data；(6) on computer 114
Sonic data is handled, the information such as extraction acoustic speed, amplitude, frequency spectrum and decay；(7) treat that acoustic measurement set of frequency is
200kHz, 300kHz ... 800kHz, repeat (2)~(6), obtain the internal structure and mechanics parameter of rock sample 109, and measurement terminates.
The invention need not frequently replace ultrasonic probe, and only need to rotate turntable can quickly measure the sound of multiple frequencies
Wave number evidence, measurement result is accurate, and measuring process is simple, is adapted to the ultrasonic measurement of batch rock sample.The invention is for wellbore
Layer evaluation and shale gas exploitation provide powerful technical support.
The preferred embodiment of the present invention is above are only, the present invention is not limited in the content of embodiment.For in this area
Technical staff for, can have various change and change in the range of technical scheme, any change made and
Change, within the scope of the present invention.
Claims (8)
1. a kind of ultrasonic measurement system, including impulse generator and oscillograph, it is characterised in that：Further include base, be arranged on
Ultrasonic transmission device and ultrasonic wave receiving transducer on base, the ultrasonic transmission device are rotatably connected on the base
On, the ultrasonic transmission device is equipped with some ultrasonic wave transmitting probes, rotates the ultrasonic transmission device and realizes difference
Switching between ultrasonic wave transmitting probe, sample to be tested be placed in the ultrasonic wave transmitting probe and the ultrasonic wave receiving transducer it
Between, the ultrasonic wave transmitting probe sends acoustic waveform under the level signal excitation that the impulse generator is sent, described super
Acoustic receiver probe receives the acoustic waveform and acoustic waveform is sent into the impulse generator, and the oscillograph is to the arteries and veins
Generator data is rushed to be acquired and store.
2. ultrasonic measurement system according to claim 1, it is characterised in that：Guide rail is provided with the base, it is described
Ultrasonic transmission device and ultrasonic wave receiving transducer are provided along the rail, and the ultrasonic transmission device is along the guide rail one-dimensional movement
The distance between adjustment and ultrasonic wave receiving transducer, are equipped between ultrasonic transmission device and the ultrasonic wave receiving transducer and are used for
The scale of both distances of display.
3. ultrasonic measurement system according to claim 2, it is characterised in that：The guide rail is dentation track, the tooth
Shape track is equipped with gear, and the gear and dentation track are ratcheting, and the gear is fixedly connected with the ultrasonic transmission device,
The gear is connected with motor, and the motor drives the gear to be moved on the dentation guide rail.
4. ultrasonic measurement system according to claim 1, it is characterised in that：The ultrasonic transmission device is connected with use
In the turntable control box of control ultrasonic transmission device rotational angle, the turntable control box is connected with multichannel terminal box, institute
Turntable control box is stated to send the rotational angle information of the ultrasonic transmission device to the multichannel terminal box, it is described more logical
Road terminal box connects corresponding ultrasonic wave transmitting probe with the impulse generator according to receive information.
5. ultrasonic measurement system according to claim 1, it is characterised in that：The ultrasonic transmission device is disk
Shape, is circumferentially evenly arranged with some ultrasonic wave transmitting probes on the discoid ultrasonic transmission device.
6. ultrasonic measurement system according to claim 5, it is characterised in that：The disc face of the ultrasonic transmission device
Be equipped with pointer, the pointer meaning ultrasonic wave transmitting probe surface of emission it is parallel with the receiving plane of ultrasonic wave receiving transducer and in
Heart line overlaps.
A kind of 7. ultrasonic wave measuring method based on ultrasonic measurement system described in claim 1, it is characterised in that：Including following
Step
(1) sample to be tested is placed between ultrasonic transmission device and ultrasonic wave receiving transducer, design needs the sound wave measured
Frequency f1、f2…fn；
(2) rotary ultrasonic wave transmitting device so that the ultrasonic probe of required frequency is gone to and ultrasonic wave receiving transducer face
Position, while mobile ultrasonic transmission device so that ultrasonic wave transmitting probe, sample to be tested and ultrasonic wave receiving transducer closely connect
Touch；
(4) impulse generator starts and launches acoustic waveform by ultrasonic wave transmitting probe, and ultrasonic wave receiving transducer receives sound wave
Waveform, and acoustic waveform is sent into impulse generator, oscillograph is acquired and stores to data in impulse generator.
8. ultrasonic wave measuring method according to claim 7, it is characterised in that：The ultrasonic transmission device is connected with use
In the turntable control box of control ultrasonic transmission device rotational angle, the turntable control box is connected with multichannel terminal box, will
Multichannel terminal box connects the ultrasonic wave transmitting probe of corresponding frequencies, and impulse generator starts and encourages the pulsewidth of corresponding frequencies to believe
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121742.XA CN107941909A (en) | 2017-11-14 | 2017-11-14 | A kind of ultrasonic measurement system and its measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121742.XA CN107941909A (en) | 2017-11-14 | 2017-11-14 | A kind of ultrasonic measurement system and its measuring method |
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| Publication Number | Publication Date |
|---|---|
| CN107941909A true CN107941909A (en) | 2018-04-20 |
Family
ID=61934022
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711121742.XA Pending CN107941909A (en) | 2017-11-14 | 2017-11-14 | A kind of ultrasonic measurement system and its measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085059A (en) * | 2018-08-30 | 2018-12-25 | 中钢集团新型材料（浙江）有限公司 | A kind of device of velocity of sound method measurement graphite elasticity modulus |
| CN113504307A (en) * | 2021-09-10 | 2021-10-15 | 西南石油大学 | Multi-frequency core sound velocity measuring device |
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| US20130319120A1 (en) * | 2012-05-29 | 2013-12-05 | The Boeing Company | Apparatus and method for inspecting a tube |
| CN203365392U (en) * | 2013-07-26 | 2013-12-25 | 北京波易达成像技术有限公司 | Rotation type multi-channel ultrasonic transmitting and receiving device |
| CN106153731A (en) * | 2015-03-27 | 2016-11-23 | 天津市卓阳无损检测有限公司 | A kind of portable steel the cannot-harm-detection device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249005A (en) * | 2006-12-08 | 2008-08-27 | 温州医学院 | Multiple probes ultrasonic instrument of opthalmic department |
| CN201653992U (en) * | 2010-03-19 | 2010-11-24 | 爱德森（厦门）电子有限公司 | Automatic switching device of multi-channel axle ultrasonic flaw detection probes |
| US20130319120A1 (en) * | 2012-05-29 | 2013-12-05 | The Boeing Company | Apparatus and method for inspecting a tube |
| US20150053014A1 (en) * | 2012-05-29 | 2015-02-26 | The Boeing Company | Apparatus for inspecting a tube |
| CN203365392U (en) * | 2013-07-26 | 2013-12-25 | 北京波易达成像技术有限公司 | Rotation type multi-channel ultrasonic transmitting and receiving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109085059A (en) * | 2018-08-30 | 2018-12-25 | 中钢集团新型材料（浙江）有限公司 | A kind of device of velocity of sound method measurement graphite elasticity modulus |
| CN109085059B (en) * | 2018-08-30 | 2023-10-27 | 赛迈科先进材料股份有限公司 | Device for measuring elastic modulus of graphite by sonic method |
| CN113504307A (en) * | 2021-09-10 | 2021-10-15 | 西南石油大学 | Multi-frequency core sound velocity measuring device |
| CN113504307B (en) * | 2021-09-10 | 2021-12-21 | 西南石油大学 | Multi-frequency core sound velocity measuring device |
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Application publication date: 20180420 |
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